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< a href = "erasure_8c.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > /*< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > * This file is part of the Aaru Data Preservation Suite.< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > * Copyright (c) 2019-2026 Natalia Portillo.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > * This library is free software; you can redistribute it and/or modify< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > * it under the terms of the GNU Lesser General Public License as< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > * published by the Free Software Foundation; either version 2.1 of the< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > * License, or (at your option) any later version.< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > * This library is distributed in the hope that it will be useful, but< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > * WITHOUT ANY WARRANTY; without even the implied warranty of< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < span class = "comment" > * Lesser General Public License for more details.< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "comment" > * You should have received a copy of the GNU Lesser General Public< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "comment" > * License along with this library; if not, see < http://www.gnu.org/licenses/> .< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "comment" > */< / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include < stdlib.h> < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "preprocessor" > #include < string.h> < / span > < / div >
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< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "preprocessor" > #include " < a class = "code" href = "context_8h.html" > aaruformat/context.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "preprocessor" > #include " < a class = "code" href = "consts_8h.html" > aaruformat/consts.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "preprocessor" > #include " < a class = "code" href = "enums_8h.html" > aaruformat/enums.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "preprocessor" > #include " < a class = "code" href = "errors_8h.html" > aaruformat/errors.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "preprocessor" > #include " < a class = "code" href = "data_8h.html" > aaruformat/structs/data.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "preprocessor" > #include " < a class = "code" href = "ddt_8h.html" > aaruformat/structs/ddt.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "preprocessor" > #include " < a class = "code" href = "erasure_8h.html" > aaruformat/structs/erasure.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "preprocessor" > #include " < a class = "code" href = "index_8h.html" > aaruformat/structs/index.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "preprocessor" > #include " < a class = "code" href = "internal_8h.html" > internal.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "preprocessor" > #include " < a class = "code" href = "log_8h.html" > log.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "preprocessor" > #include " < a class = "code" href = "gf256_8h.html" > lib/gf256.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "preprocessor" > #include " < a class = "code" href = "reed__solomon_8h.html" > lib/reed_solomon.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > /* =========================================================================< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "comment" > * Read-path structures (not in on-disk format, internal only)< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "comment" > * ========================================================================= */< / span > < / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
< div class = "foldopen" id = "foldopen00046" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > < a class = "line" href = "structEcReadStripe.html" > 46< / a > < / span > < span class = "keyword" > typedef< / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > {< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > < a class = "line" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > 48< / a > < / span > uint16_t < a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > ; < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > < a class = "line" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > 49< / a > < / span > < a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > *< a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > ; < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > < a class = "line" href = "structEcReadStripe.html#ac88d41411a685f4b7fbecb69d179ec3f" > 50< / a > < / span > uint64_t *< a class = "code hl_variable" href = "structEcReadStripe.html#ac88d41411a685f4b7fbecb69d179ec3f" > parity_offsets< / a > ; < / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > < a class = "line" href = "erasure_8c.html#a2f164deb906da3861ed577a951149a23" > 51< / a > < / span > } < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > ;< / div >
< / div >
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< div class = "foldopen" id = "foldopen00054" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > < a class = "line" href = "structEcBlockLookupEntry.html" > 54< / a > < / span > < span class = "keyword" > typedef< / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > {< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > < a class = "line" href = "structEcBlockLookupEntry.html#a13a8928f4f9cc3d0d7a30b1d0530c016" > 56< / a > < / span > uint64_t < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a13a8928f4f9cc3d0d7a30b1d0530c016" > block_offset< / a > ; < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > < a class = "line" href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > 57< / a > < / span > uint32_t < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > stripe_index< / a > ; < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > < a class = "line" href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > 58< / a > < / span > uint16_t < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > position< / a > ; < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > < a class = "line" href = "structEcBlockLookupEntry.html#aafe5aa886cf56f4dbcc9c7426792e61c" > 59< / a > < / span > UT_hash_handle < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#aafe5aa886cf56f4dbcc9c7426792e61c" > hh< / a > ;< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > < a class = "line" href = "erasure_8c.html#a49845afc245ef4c7570c1a59b8e2c893" > 60< / a > < / span > } < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > ;< / div >
< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > /* UT_array icd for completed stripe descriptors.< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "comment" > * Each descriptor is a variable-length blob serialized in-place. We store< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "comment" > * them as flat byte buffers since the size per stripe depends on K and M. */< / span > < / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > < a class = "line" href = "erasure_8c.html#a1883da545c74667f3438d8e48b195aa1" > 65< / a > < / span > < span class = "keyword" > static< / span > UT_icd < a class = "code hl_variable" href = "erasure_8c.html#a1883da545c74667f3438d8e48b195aa1" > ec_stripe_icd< / a > = {< span class = "keyword" > sizeof< / span > (uint8_t), NULL, NULL, NULL};< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "comment" > /* Forward declarations */< / span > < / div >
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< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#aa258c90d05ad57fc4c378679e5187e48" > ec_flush_data_stripe< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, uint32_t slot);< / div >
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< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < / div >
< div class = "foldopen" id = "foldopen00082" data-start = "{" data-end = "}" >
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< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a8b0f3ab93ca60ce00321ca28c2484c7c" > 82< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > int32_t < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "decls_8h.html#a8b0f3ab93ca60ce00321ca28c2484c7c" > aaruf_set_erasure_coding< / a > (< span class = "keywordtype" > void< / span > *context, uint8_t algorithm, uint16_t K, uint16_t M)< / div >
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< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > {< / div >
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< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Entering aaruf_set_erasure_coding(%p, %u, %u, %u)" < / span > , context, algorithm, K, M);< / div >
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< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "keywordflow" > if< / span > (context == NULL) < span class = "keywordflow" > return< / span > < a class = "code hl_enumvalue" href = "enums_8h.html#af887903d155851fe30d08053c4b2c1b8a2ee503de2bb99eb6a677fd9871a9c44d" > AARUF_STATUS_INVALID_CONTEXT< / a > ;< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx = (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *)context;< / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a7dc0a0fe0bf6223ff4587fd01c360b76" > magic< / a > != < a class = "code hl_define" href = "consts_8h.html#a3c3ba66fe2b547655c9e4b16a1ba519a" > AARU_MAGIC< / a > ) < span class = "keywordflow" > return< / span > < a class = "code hl_enumvalue" href = "enums_8h.html#af887903d155851fe30d08053c4b2c1b8a2ee503de2bb99eb6a677fd9871a9c44d" > AARUF_STATUS_INVALID_CONTEXT< / a > ;< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a6f61f9ea20f4e3b791a0d6388dd43651" > is_writing< / a > ) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a1df49eaa19eaa14891b6aaab966a9bc6" > AARUF_READ_ONLY< / a > ;< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > /* Validate parameters */< / span > < / div >
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< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "keywordflow" > if< / span > (K == 0 || M == 0) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a8fc3ecb14777e72bebad62084b6caf16" > AARUF_ERROR_INCORRECT_DATA_SIZE< / a > ;< / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "keywordflow" > if< / span > ((uint32_t)K + M > 255) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a8fc3ecb14777e72bebad62084b6caf16" > AARUF_ERROR_INCORRECT_DATA_SIZE< / a > ;< / div >
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< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > < span class = "keywordflow" > if< / span > (algorithm == < a class = "code hl_enumvalue" href = "enums_8h.html#a83c99da65804eb80cfb955eb9a15ef5ead3ee61b96379729331df2b6ed04a95a0" > kErasureCodingXor< / a > & & M != 1) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a8fc3ecb14777e72bebad62084b6caf16" > AARUF_ERROR_INCORRECT_DATA_SIZE< / a > ;< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
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< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "comment" > /* Create RS codec */< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *rs = < a class = "code hl_function" href = "reed__solomon_8c.html#a68a7b13ef6443640abc2818a3bd7d5bf" > rs_create< / a > (K, M);< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "keywordflow" > if< / span > (!rs) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ;< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "comment" > /* Parity buffers are allocated lazily in ec_accumulate_data_block() when the< / span > < / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < span class = "comment" > * first block' s actual on-disk size is known. This avoids allocating at the< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "comment" > * theoretical maximum (which can be gigabytes with large dataShift values). */< / span > < / div >
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< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < / div >
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< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "comment" > /* Allocate tracking arrays (K entries per slot × < / span > < / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > uint64_t *offsets = (uint64_t *)calloc((< span class = "keywordtype" > size_t< / span > )K * K, < span class = "keyword" > sizeof< / span > (uint64_t));< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > uint32_t *sizes = (uint32_t *)calloc((< span class = "keywordtype" > size_t< / span > )K * K, < span class = "keyword" > sizeof< / span > (uint32_t));< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > uint64_t *crcs = (uint64_t *)calloc((< span class = "keywordtype" > size_t< / span > )K * K, < span class = "keyword" > sizeof< / span > (uint64_t));< / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > uint16_t *counts = (uint16_t *)calloc(K, < span class = "keyword" > sizeof< / span > (uint16_t));< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "keywordflow" > if< / span > (!offsets || !sizes || !crcs || !counts)< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > {< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > free(offsets); free(sizes); free(crcs); free(counts);< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > (rs);< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ;< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > }< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "comment" > /* Initialize completed stripes array */< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > UT_array *stripes = NULL;< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > utarray_new(stripes, & < a class = "code hl_variable" href = "erasure_8c.html#a1883da545c74667f3438d8e48b195aa1" > ec_stripe_icd< / a > );< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > < span class = "comment" > /* Store in context */< / span > < / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a25448606ea0870a817f4a2b6c94f7698" > ec_algorithm< / a > = algorithm;< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > = K;< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > = M;< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > = 0; < span class = "comment" > /* Will be set on first block */< / span > < / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "comment" > /* A resumed image may already have the codec created to read its erasure coding */< / span > < / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > ) < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > ((< a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > );< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > = rs;< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > = NULL; < span class = "comment" > /* Allocated lazily */< / span > < / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9a68ea472d082df95246171eaab070d0" > ec_data_block_offsets< / a > = offsets;< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > = sizes;< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0306814ea46f136a21ffdbf5504744d2" > ec_data_shard_crcs< / a > = crcs;< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > = counts;< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9b5df0512665a9b31fbfff6dc912b6eb" > ec_total_data_blocks< / a > = 0;< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > = stripes;< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac08b99bdbcd7a208e6893d59f0e02a17" > ec_enabled< / a > = < span class = "keyword" > true< / span > ;< / div >
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< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < / div >
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< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "comment" > /* Set feature flag so old readers know parity data exists */< / span > < / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > header< / a > .< a class = "code hl_variable" href = "structAaruHeaderV2.html#a9dae72bee3d161760dbbe389e4a70444" > featureCompatibleRo< / a > |= < a class = "code hl_enumvalue" href = "enums_8h.html#a8224cd67a8e4e3d365e0371899c7065fa8b803843c50589f197b6461d1c74ea9b" > AARU_FEATURE_ROCOMPAT_ERASURE< / a > ;< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Erasure coding configured: algorithm=%u K=%u M=%u (parity buffers deferred)" < / span > , algorithm, K, M);< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Exiting aaruf_set_erasure_coding() = 0" < / span > );< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a1d6e49f7e8a1fa489efa0a582e90b5de" > AARUF_STATUS_OK< / a > ;< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > }< / div >
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< / div >
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< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < / div >
< div class = "foldopen" id = "foldopen00174" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > < a class = "line" href = "decls_8h.html#a51fe2ca1a6eabf109f0cfc4b3223508b" > 174< / a > < / span > < a class = "code hl_define" href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > int32_t < a class = "code hl_define" href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < a class = "code hl_function" href = "decls_8h.html#a51fe2ca1a6eabf109f0cfc4b3223508b" > aaruf_set_erasure_coding_auto< / a > (< span class = "keywordtype" > void< / span > *context, uint8_t recovery_percent)< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > {< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Entering aaruf_set_erasure_coding_auto(%p, %u)" < / span > , context, recovery_percent);< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < span class = "keywordflow" > if< / span > (recovery_percent == 0 || recovery_percent > 100)< / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a8fc3ecb14777e72bebad62084b6caf16" > AARUF_ERROR_INCORRECT_DATA_SIZE< / a > ;< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < span class = "comment" > /* M scales with recovery percentage: more recovery = more parity blocks.< / span > < / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < span class = "comment" > * Target K ≈ 20 (reasonable stripe size), so M ≈ 20 * percent / 100.< / span > < / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "comment" > * Clamp to [2, 8]: minimum M=2 for RS burst tolerance, max M=8 for memory. */< / span > < / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > uint16_t M = (uint16_t)((20 * (uint32_t)recovery_percent + 50) / 100); < span class = "comment" > /* rounded */< / span > < / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > < span class = "keywordflow" > if< / span > (M < 2) M = 2;< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < span class = "keywordflow" > if< / span > (M > 8) M = 8;< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > uint16_t K = (uint16_t)(M * 100 / recovery_percent);< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "keywordflow" > if< / span > (K < 1) K = 1;< / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < span class = "keywordflow" > if< / span > (K + M > 255) K = 255 - M;< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Auto EC: recovery_percent=%u -> K=%u M=%u" < / span > , recovery_percent, K, M);< / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_function" href = "decls_8h.html#a8b0f3ab93ca60ce00321ca28c2484c7c" > aaruf_set_erasure_coding< / a > (context, < a class = "code hl_enumvalue" href = "enums_8h.html#a83c99da65804eb80cfb955eb9a15ef5ea80cd481d5fe067366bbde7db7cab4e22" > kErasureCodingRsVandermonde< / a > , K, M);< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > }< / div >
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< / div >
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< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < / div >
< div class = "foldopen" id = "foldopen00209" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#a676c380c73d5adf73afd7613ec06b29d" > 209< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#a676c380c73d5adf73afd7613ec06b29d" > ec_accumulate_data_block< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, < span class = "keyword" > const< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > *block_header, < span class = "keyword" > const< / span > uint8_t *lzma_props,< / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > < span class = "keyword" > const< / span > uint8_t *payload, uint32_t payload_size, uint64_t file_offset)< / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > {< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac08b99bdbcd7a208e6893d59f0e02a17" > ec_enabled< / a > ) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < span class = "keyword" > const< / span > uint16_t K = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > ;< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "keyword" > const< / span > uint16_t M = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > ;< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > < / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > < span class = "comment" > /* Consecutive stripe assignment: fill slot 0 completely before starting slot 1.< / span > < / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < span class = "comment" > * With interleaved assignment (slot = total % K), a small image with N < K*K blocks< / span > < / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "comment" > * produces K partial stripes, each requiring M parity blocks → overhead = M*K/N< / span > < / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > < span class = "comment" > * instead of the intended M/K. Consecutive assignment produces at most 1 partial< / span > < / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < span class = "comment" > * stripe at the end, giving correct M/K overhead regardless of image size. */< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > uint32_t slot = 0; < span class = "comment" > /* Always use slot 0 for consecutive assignment */< / span > < / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > < / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > < span class = "comment" > /* Position within this slot' s stripe */< / span > < / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > uint16_t pos = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > [slot];< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < span class = "comment" > /* Compute actual on-disk size of this block */< / span > < / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > uint32_t actual_size = (uint32_t)< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > );< / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "keywordflow" > if< / span > (block_header-> < a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a66b049c2b816874ab71b06cebf5afcd7" > kCompressionLzma< / a > & & lzma_props)< / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > actual_size += < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ;< / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > actual_size += payload_size;< / div >
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< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > < / div >
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< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > < span class = "comment" > /* Lazy allocation: allocate parity buffers on first use, or grow if this< / span > < / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > < span class = "comment" > * block is larger than any previously seen. This avoids pre-allocating at< / span > < / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > < span class = "comment" > * the theoretical maximum (which can be gigabytes with large dataShift). */< / span > < / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > == NULL)< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > {< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < span class = "comment" > /* First block — allocate parity buffers at this block' s size + 25% headroom */< / span > < / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > = actual_size + actual_size / 4;< / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > = (uint8_t **)calloc((< span class = "keywordtype" > size_t< / span > )K * M, < span class = "keyword" > sizeof< / span > (uint8_t *));< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > ) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < (uint32_t)K * M; i++)< / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > {< / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > [i] = (uint8_t *)calloc(1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > );< / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > [i]) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > }< / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " EC parity buffers allocated: %u × " < / span > , K * M, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > );< / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > }< / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (actual_size > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > )< / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > {< / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > < span class = "comment" > /* This block is larger than current shard size — grow all parity buffers.< / span > < / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < span class = "comment" > * Zero-extend the existing data (realloc + memset the new region). */< / span > < / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > uint32_t old_size = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > ;< / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > uint32_t new_size = actual_size + actual_size / 4;< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " EC parity buffers growing: %u → %u bytes" < / span > , old_size, new_size);< / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < (uint32_t)K * M; i++)< / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > {< / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > uint8_t *grown = (uint8_t *)realloc(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > [i], new_size);< / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > < span class = "keywordflow" > if< / span > (!grown) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > memset(grown + old_size, 0, new_size - old_size);< / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > [i] = grown;< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > }< / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > = new_size;< / div >
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< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > }< / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > < / div >
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< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > < span class = "keyword" > const< / span > uint32_t shard = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > ;< / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > < / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < span class = "comment" > /* Build on-disk shard in a temp buffer */< / span > < / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > uint8_t *shard_buf = (uint8_t *)calloc(1, shard);< / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > < span class = "keywordflow" > if< / span > (!shard_buf) < span class = "keywordflow" > return< / span > ; < span class = "comment" > /* Best effort — if OOM, skip parity for this block */< / span > < / div >
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< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > < / div >
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< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > < span class = "comment" > /* Copy BlockHeader */< / span > < / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > memcpy(shard_buf, block_header, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ));< / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > uint32_t offset = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > );< / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > < / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > < span class = "comment" > /* Copy LZMA properties if applicable */< / span > < / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > < span class = "keywordflow" > if< / span > (block_header-> < a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a66b049c2b816874ab71b06cebf5afcd7" > kCompressionLzma< / a > & & lzma_props)< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > {< / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > memcpy(shard_buf + offset, lzma_props, < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > );< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > offset += < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ;< / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > }< / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > < / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > < span class = "comment" > /* Copy payload */< / span > < / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > memcpy(shard_buf + offset, payload, payload_size);< / div >
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< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > < / div >
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< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > < span class = "comment" > /* Compute CRC64 of the shard (only actual_size bytes matter — rest is zero) */< / span > < / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > uint64_t shard_crc = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (shard_buf, actual_size);< / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > < / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > < span class = "comment" > /* Record tracking info */< / span > < / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > < span class = "keywordtype" > size_t< / span > tracking_idx = (size_t)slot * K + pos;< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9a68ea472d082df95246171eaab070d0" > ec_data_block_offsets< / a > [tracking_idx] = file_offset;< / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > [tracking_idx] = actual_size;< / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0306814ea46f136a21ffdbf5504744d2" > ec_data_shard_crcs< / a > [tracking_idx] = shard_crc;< / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > < span class = "comment" > /* Accumulate into parity buffers for this slot.< / span > < / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > < span class = "comment" > * Only process actual_size bytes — bytes beyond that are zero and< / span > < / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < span class = "comment" > * GF_mul(0, coeff) = 0, so they contribute nothing to parity. */< / span > < / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++)< / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > {< / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > uint8_t coeff = < a class = "code hl_function" href = "reed__solomon_8c.html#ada549b6a6028807b96d975bba70bea2d" > rs_get_coefficient< / a > ((< a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > , m, pos);< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > < span class = "keywordtype" > size_t< / span > parity_idx = (size_t)slot * M + m;< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > < a class = "code hl_function" href = "reed__solomon_8c.html#ab02dd67e8f4b96de007048f30649adb1" > rs_encode_incremental< / a > (coeff, shard_buf, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > [parity_idx], actual_size);< / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > }< / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > free(shard_buf);< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > < / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > [slot]++;< / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9b5df0512665a9b31fbfff6dc912b6eb" > ec_total_data_blocks< / a > ++;< / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > < / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > < span class = "comment" > /* Check if this stripe slot is full → write parity blocks */< / span > < / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > [slot] == K)< / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > {< / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#aa258c90d05ad57fc4c378679e5187e48" > ec_flush_data_stripe< / a > (ctx, slot);< / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > }< / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > }< / div >
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< / div >
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< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > < / div >
< div class = "foldopen" id = "foldopen00323" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#aa258c90d05ad57fc4c378679e5187e48" > 323< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#aa258c90d05ad57fc4c378679e5187e48" > ec_flush_data_stripe< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, uint32_t slot)< / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > {< / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > < span class = "keyword" > const< / span > uint16_t K = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > ;< / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > < span class = "keyword" > const< / span > uint16_t M = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > ;< / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > < span class = "keyword" > const< / span > uint32_t shard = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > ;< / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > uint16_t actual_k = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > [slot];< / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > < span class = "keywordflow" > if< / span > (actual_k == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > < / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > < span class = "comment" > /* Build and serialize stripe descriptor:< / span > < / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > < span class = "comment" > * [actualK: uint16_t]< / span > < / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > < span class = "comment" > * [actualK × < / span > < / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > < span class = "comment" > * [M × < / span > < / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > < span class = "comment" > */< / span > < / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > < span class = "keywordtype" > size_t< / span > desc_data_size = < span class = "keyword" > sizeof< / span > (uint16_t) + (< span class = "keywordtype" > size_t< / span > )actual_k * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > ) +< / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > (< span class = "keywordtype" > size_t< / span > )M * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > uint8_t *desc = (uint8_t *)calloc(1, desc_data_size);< / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > < span class = "keywordflow" > if< / span > (!desc) < span class = "keywordflow" > return< / span > ;< / div >
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< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > < / div >
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< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > uint8_t *p = desc;< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > < / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > < span class = "comment" > /* Write actualK */< / span > < / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > memcpy(p, & actual_k, < span class = "keyword" > sizeof< / span > (uint16_t)); p += < span class = "keyword" > sizeof< / span > (uint16_t);< / div >
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< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > < / div >
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< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > < span class = "comment" > /* Write data block entries */< / span > < / div >
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < actual_k; k++)< / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > {< / div >
< div class = "line" > < a id = "l00350" name = "l00350" > < / a > < span class = "lineno" > 350< / span > < span class = "keywordtype" > size_t< / span > idx = (size_t)slot * K + k;< / div >
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > < a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > entry;< / div >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > entry.< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > offset< / a > = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9a68ea472d082df95246171eaab070d0" > ec_data_block_offsets< / a > [idx];< / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > entry.< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > [idx];< / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > entry.< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#af85494afc772fe1469927c826e24a1b2" > shardCrc64< / a > = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0306814ea46f136a21ffdbf5504744d2" > ec_data_shard_crcs< / a > [idx];< / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > memcpy(p, & entry, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > )); p += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > }< / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > < / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > < span class = "comment" > /* Write M parity blocks to disk. Only write up to max_block_size bytes< / span > < / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > < span class = "comment" > * of parity — bytes beyond the largest actual block in this stripe are< / span > < / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > < span class = "comment" > * guaranteed to be zero (RS of zero tails = zero).< / span > < / div >
< div class = "line" > < a id = "l00361" name = "l00361" > < / a > < span class = "lineno" > 361< / span > < span class = "comment" > * This is the key optimization: parity size scales with actual compressed< / span > < / div >
< div class = "line" > < a id = "l00362" name = "l00362" > < / a > < span class = "lineno" > 362< / span > < span class = "comment" > * block size, not with the theoretical maximum uncompressed block size. */< / span > < / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > uint32_t max_block_size = 0;< / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < actual_k; k++)< / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > {< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > < span class = "keywordtype" > size_t< / span > idx = (size_t)slot * K + k;< / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > [idx] > max_block_size)< / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > max_block_size = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > [idx];< / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > }< / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > < span class = "keywordflow" > if< / span > (max_block_size == 0) max_block_size = shard; < span class = "comment" > /* safety fallback */< / span > < / div >
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > < / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > uint64_t alignment_mask = (1ULL < < ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a04c5fb367458a6e9dd0a50b39f6edec2" > user_data_ddt_header< / a > .< a class = "code hl_variable" href = "structDdtHeader2.html#aa67b097c3a20f926ede495d27152f1c0" > blockAlignmentShift< / a > ) - 1;< / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > < / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++)< / div >
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > {< / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > < span class = "keywordtype" > size_t< / span > parity_idx = (size_t)slot * M + m;< / div >
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > uint8_t *parity_data = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > [parity_idx];< / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > < / div >
< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > parity_header;< / div >
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > memset(& parity_header, 0, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ));< / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a3b03f118fb2dc3dcef3f87a82238e358" > identifier< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > ;< / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#ac31ad48f3362a43175c94ec2e30662ad" > type< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6adb8752d43e2e151c60d90bb2962d16a6" > kDataTypeErasureParity< / a > ;< / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > kCompressionNone< / a > ;< / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a5bd50f95c8c1f91e5013a1a154690beb" > sectorSize< / a > = 0;< / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > = max_block_size;< / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > = max_block_size;< / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#ab4d9e3a871e0c7f12a881017dac4ca12" > crc64< / a > = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (parity_data, max_block_size);< / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a8ff40eae6c49f0d9b49825f75e1e2bf8" > cmpCrc64< / a > = parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#ab4d9e3a871e0c7f12a881017dac4ca12" > crc64< / a > ;< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > < / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , 0, SEEK_END);< / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > uint64_t parity_offset = (uint64_t)< a class = "code hl_function" href = "internal_8h.html#a697ee4ab2c7adc710e56b0ef868596d7" > aaruf_ftell< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > parity_offset = (parity_offset + alignment_mask) & ~alignment_mask;< / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > 393< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )parity_offset, SEEK_SET);< / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > < / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > fwrite(& parity_header, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > fwrite(parity_data, max_block_size, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
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< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > < span class = "comment" > /* Record parity offset in descriptor */< / span > < / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > < a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > pentry;< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > pentry.< a class = "code hl_variable" href = "structStripeParityBlockEntry.html#a4222801a62acbce61990ee79faf26050" > offset< / a > = parity_offset;< / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > memcpy(p, & pentry, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > )); p += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l00402" name = "l00402" > < / a > < span class = "lineno" > 402< / span > < / div >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > < span class = "comment" > /* Add index entry */< / span > < / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > < a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > ie = {.blockType = < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > , .dataType = < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6adb8752d43e2e151c60d90bb2962d16a6" > kDataTypeErasureParity< / a > , .offset = parity_offset};< / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > utarray_push_back(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > , & ie);< / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a63616c8450e9e1853e0645714fe310cb" > dirty_index_block< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > < / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > < span class = "comment" > /* Update next_block_position */< / span > < / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > uint64_t total = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ) + parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > ;< / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a939b702f75e80062bc635add4c3ab142" > next_block_position< / a > = (parity_offset + total + alignment_mask) & ~alignment_mask;< / div >
< div class = "line" > < a id = "l00411" name = "l00411" > < / a > < span class = "lineno" > 411< / span > < / div >
< div class = "line" > < a id = "l00412" name = "l00412" > < / a > < span class = "lineno" > 412< / span > < span class = "comment" > /* Reset parity buffer */< / span > < / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > memset(parity_data, 0, shard);< / div >
< div class = "line" > < a id = "l00414" name = "l00414" > < / a > < span class = "lineno" > 414< / span > }< / div >
< div class = "line" > < a id = "l00415" name = "l00415" > < / a > < span class = "lineno" > 415< / span > < / div >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > < span class = "comment" > /* Store the completed stripe descriptor */< / span > < / div >
< div class = "line" > < a id = "l00417" name = "l00417" > < / a > < span class = "lineno" > 417< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < desc_data_size; i++)< / div >
< div class = "line" > < a id = "l00418" name = "l00418" > < / a > < span class = "lineno" > 418< / span > utarray_push_back(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > , & desc[i]);< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l00419" name = "l00419" > < / a > < span class = "lineno" > 419< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l00420" name = "l00420" > < / a > < span class = "lineno" > 420< / span > free(desc);< / div >
< div class = "line" > < a id = "l00421" name = "l00421" > < / a > < span class = "lineno" > 421< / span > < / div >
< div class = "line" > < a id = "l00422" name = "l00422" > < / a > < span class = "lineno" > 422< / span > < span class = "comment" > /* Reset stripe slot tracking */< / span > < / div >
< div class = "line" > < a id = "l00423" name = "l00423" > < / a > < span class = "lineno" > 423< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < K; k++)< / div >
< div class = "line" > < a id = "l00424" name = "l00424" > < / a > < span class = "lineno" > 424< / span > {< / div >
< div class = "line" > < a id = "l00425" name = "l00425" > < / a > < span class = "lineno" > 425< / span > < span class = "keywordtype" > size_t< / span > idx = (size_t)slot * K + k;< / div >
< div class = "line" > < a id = "l00426" name = "l00426" > < / a > < span class = "lineno" > 426< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9a68ea472d082df95246171eaab070d0" > ec_data_block_offsets< / a > [idx] = 0;< / div >
< div class = "line" > < a id = "l00427" name = "l00427" > < / a > < span class = "lineno" > 427< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > [idx] = 0;< / div >
< div class = "line" > < a id = "l00428" name = "l00428" > < / a > < span class = "lineno" > 428< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0306814ea46f136a21ffdbf5504744d2" > ec_data_shard_crcs< / a > [idx] = 0;< / div >
< div class = "line" > < a id = "l00429" name = "l00429" > < / a > < span class = "lineno" > 429< / span > }< / div >
< div class = "line" > < a id = "l00430" name = "l00430" > < / a > < span class = "lineno" > 430< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > [slot] = 0;< / div >
< div class = "line" > < a id = "l00431" name = "l00431" > < / a > < span class = "lineno" > 431< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00432" name = "l00432" > < / a > < span class = "lineno" > 432< / span > < / div >
< div class = "foldopen" id = "foldopen00439" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00439" name = "l00439" > < / a > < span class = "lineno" > < a class = "line" href = "erasure_8c.html#aed80b4dc1f360dbac00a5f73d350bf1a" > 439< / a > < / span > < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure_8c.html#aed80b4dc1f360dbac00a5f73d350bf1a" > ec_write_batch_parity< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx,< / div >
< div class = "line" > < a id = "l00440" name = "l00440" > < / a > < span class = "lineno" > 440< / span > < span class = "keyword" > const< / span > uint64_t *offsets, < span class = "keyword" > const< / span > uint32_t *sizes,< / div >
< div class = "line" > < a id = "l00441" name = "l00441" > < / a > < span class = "lineno" > 441< / span > uint32_t block_count, uint8_t group_type,< / div >
< div class = "line" > < a id = "l00442" name = "l00442" > < / a > < span class = "lineno" > 442< / span > uint16_t parity_data_type,< / div >
< div class = "line" > < a id = "l00443" name = "l00443" > < / a > < span class = "lineno" > 443< / span > uint8_t **out_desc, < span class = "keywordtype" > size_t< / span > *out_desc_len,< / div >
< div class = "line" > < a id = "l00444" name = "l00444" > < / a > < span class = "lineno" > 444< / span > < a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > *out_group)< / div >
< div class = "line" > < a id = "l00445" name = "l00445" > < / a > < span class = "lineno" > 445< / span > {< / div >
< div class = "line" > < a id = "l00446" name = "l00446" > < / a > < span class = "lineno" > 446< / span > *out_desc = NULL;< / div >
< div class = "line" > < a id = "l00447" name = "l00447" > < / a > < span class = "lineno" > 447< / span > *out_desc_len = 0;< / div >
< div class = "line" > < a id = "l00448" name = "l00448" > < / a > < span class = "lineno" > 448< / span > < span class = "keywordflow" > if< / span > (block_count == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00449" name = "l00449" > < / a > < span class = "lineno" > 449< / span > < / div >
< div class = "line" > < a id = "l00450" name = "l00450" > < / a > < span class = "lineno" > 450< / span > < span class = "keyword" > const< / span > uint16_t M = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > ;< / div >
< div class = "line" > < a id = "l00451" name = "l00451" > < / a > < span class = "lineno" > 451< / span > uint16_t actual_k = (uint16_t)(block_count > (uint32_t)(255 - M) ? 255 - M : block_count);< / div >
< div class = "line" > < a id = "l00452" name = "l00452" > < / a > < span class = "lineno" > 452< / span > < / div >
< div class = "line" > < a id = "l00453" name = "l00453" > < / a > < span class = "lineno" > 453< / span > uint32_t shard_size = 0;< / div >
< div class = "line" > < a id = "l00454" name = "l00454" > < / a > < span class = "lineno" > 454< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < actual_k; i++)< / div >
< div class = "line" > < a id = "l00455" name = "l00455" > < / a > < span class = "lineno" > 455< / span > < span class = "keywordflow" > if< / span > (sizes[i] > shard_size) shard_size = sizes[i];< / div >
< div class = "line" > < a id = "l00456" name = "l00456" > < / a > < span class = "lineno" > 456< / span > < / div >
< div class = "line" > < a id = "l00457" name = "l00457" > < / a > < span class = "lineno" > 457< / span > < a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *rs = < a class = "code hl_function" href = "reed__solomon_8c.html#a68a7b13ef6443640abc2818a3bd7d5bf" > rs_create< / a > (actual_k, M);< / div >
< div class = "line" > < a id = "l00458" name = "l00458" > < / a > < span class = "lineno" > 458< / span > < span class = "keywordflow" > if< / span > (!rs) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00459" name = "l00459" > < / a > < span class = "lineno" > 459< / span > < / div >
< div class = "line" > < a id = "l00460" name = "l00460" > < / a > < span class = "lineno" > 460< / span > uint8_t **parity = (uint8_t **)calloc(M, < span class = "keyword" > sizeof< / span > (uint8_t *));< / div >
< div class = "line" > < a id = "l00461" name = "l00461" > < / a > < span class = "lineno" > 461< / span > < span class = "keywordflow" > if< / span > (!parity) { < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > (rs); < span class = "keywordflow" > return< / span > ; }< / div >
< div class = "line" > < a id = "l00462" name = "l00462" > < / a > < span class = "lineno" > 462< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++)< / div >
< div class = "line" > < a id = "l00463" name = "l00463" > < / a > < span class = "lineno" > 463< / span > {< / div >
< div class = "line" > < a id = "l00464" name = "l00464" > < / a > < span class = "lineno" > 464< / span > parity[m] = (uint8_t *)calloc(1, shard_size);< / div >
< div class = "line" > < a id = "l00465" name = "l00465" > < / a > < span class = "lineno" > 465< / span > < span class = "keywordflow" > if< / span > (!parity[m]) { < span class = "keywordflow" > for< / span > (uint16_t j = 0; j < m; j++) free(parity[j]); free(parity); < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > (rs); < span class = "keywordflow" > return< / span > ; }< / div >
< div class = "line" > < a id = "l00466" name = "l00466" > < / a > < span class = "lineno" > 466< / span > }< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l00467" name = "l00467" > < / a > < span class = "lineno" > 467< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l00468" name = "l00468" > < / a > < span class = "lineno" > 468< / span > < span class = "keywordtype" > size_t< / span > desc_size = < span class = "keyword" > sizeof< / span > (uint16_t) + (< span class = "keywordtype" > size_t< / span > )actual_k * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > ) +< / div >
< div class = "line" > < a id = "l00469" name = "l00469" > < / a > < span class = "lineno" > 469< / span > (< span class = "keywordtype" > size_t< / span > )M * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l00470" name = "l00470" > < / a > < span class = "lineno" > 470< / span > uint8_t *desc = (uint8_t *)calloc(1, desc_size);< / div >
< div class = "line" > < a id = "l00471" name = "l00471" > < / a > < span class = "lineno" > 471< / span > < span class = "keywordflow" > if< / span > (!desc) { < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++) free(parity[m]); free(parity); < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > (rs); < span class = "keywordflow" > return< / span > ; }< / div >
< div class = "line" > < a id = "l00472" name = "l00472" > < / a > < span class = "lineno" > 472< / span > < / div >
< div class = "line" > < a id = "l00473" name = "l00473" > < / a > < span class = "lineno" > 473< / span > uint8_t *dp = desc;< / div >
< div class = "line" > < a id = "l00474" name = "l00474" > < / a > < span class = "lineno" > 474< / span > memcpy(dp, & actual_k, < span class = "keyword" > sizeof< / span > (uint16_t)); dp += < span class = "keyword" > sizeof< / span > (uint16_t);< / div >
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< div class = "line" > < a id = "l00475" name = "l00475" > < / a > < span class = "lineno" > 475< / span > < / div >
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< div class = "line" > < a id = "l00476" name = "l00476" > < / a > < span class = "lineno" > 476< / span > uint8_t *shard_buf = (uint8_t *)calloc(1, shard_size);< / div >
< div class = "line" > < a id = "l00477" name = "l00477" > < / a > < span class = "lineno" > 477< / span > < span class = "keywordflow" > if< / span > (!shard_buf) { free(desc); < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++) free(parity[m]); free(parity); < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > (rs); < span class = "keywordflow" > return< / span > ; }< / div >
< div class = "line" > < a id = "l00478" name = "l00478" > < / a > < span class = "lineno" > 478< / span > < / div >
< div class = "line" > < a id = "l00479" name = "l00479" > < / a > < span class = "lineno" > 479< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < actual_k; k++)< / div >
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< div class = "line" > < a id = "l00480" name = "l00480" > < / a > < span class = "lineno" > 480< / span > {< / div >
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< div class = "line" > < a id = "l00481" name = "l00481" > < / a > < span class = "lineno" > 481< / span > memset(shard_buf, 0, shard_size);< / div >
< div class = "line" > < a id = "l00482" name = "l00482" > < / a > < span class = "lineno" > 482< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )offsets[k], SEEK_SET);< / div >
< div class = "line" > < a id = "l00483" name = "l00483" > < / a > < span class = "lineno" > 483< / span > uint32_t read_size = sizes[k] > shard_size ? shard_size : sizes[k];< / div >
< div class = "line" > < a id = "l00484" name = "l00484" > < / a > < span class = "lineno" > 484< / span > fread(shard_buf, read_size, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00485" name = "l00485" > < / a > < span class = "lineno" > 485< / span > < / div >
< div class = "line" > < a id = "l00486" name = "l00486" > < / a > < span class = "lineno" > 486< / span > uint64_t shard_crc = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (shard_buf, shard_size);< / div >
< div class = "line" > < a id = "l00487" name = "l00487" > < / a > < span class = "lineno" > 487< / span > < / div >
< div class = "line" > < a id = "l00488" name = "l00488" > < / a > < span class = "lineno" > 488< / span > < a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > entry;< / div >
< div class = "line" > < a id = "l00489" name = "l00489" > < / a > < span class = "lineno" > 489< / span > entry.< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > offset< / a > = offsets[k]; entry.< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > = sizes[k]; entry.< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#af85494afc772fe1469927c826e24a1b2" > shardCrc64< / a > = shard_crc;< / div >
< div class = "line" > < a id = "l00490" name = "l00490" > < / a > < span class = "lineno" > 490< / span > memcpy(dp, & entry, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > )); dp += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l00491" name = "l00491" > < / a > < span class = "lineno" > 491< / span > < / div >
< div class = "line" > < a id = "l00492" name = "l00492" > < / a > < span class = "lineno" > 492< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++)< / div >
< div class = "line" > < a id = "l00493" name = "l00493" > < / a > < span class = "lineno" > 493< / span > {< / div >
< div class = "line" > < a id = "l00494" name = "l00494" > < / a > < span class = "lineno" > 494< / span > uint8_t coeff = < a class = "code hl_function" href = "reed__solomon_8c.html#ada549b6a6028807b96d975bba70bea2d" > rs_get_coefficient< / a > (rs, m, k);< / div >
< div class = "line" > < a id = "l00495" name = "l00495" > < / a > < span class = "lineno" > 495< / span > < a class = "code hl_function" href = "reed__solomon_8c.html#ab02dd67e8f4b96de007048f30649adb1" > rs_encode_incremental< / a > (coeff, shard_buf, parity[m], shard_size);< / div >
< div class = "line" > < a id = "l00496" name = "l00496" > < / a > < span class = "lineno" > 496< / span > }< / div >
< div class = "line" > < a id = "l00497" name = "l00497" > < / a > < span class = "lineno" > 497< / span > }< / div >
< div class = "line" > < a id = "l00498" name = "l00498" > < / a > < span class = "lineno" > 498< / span > free(shard_buf);< / div >
< div class = "line" > < a id = "l00499" name = "l00499" > < / a > < span class = "lineno" > 499< / span > < / div >
< div class = "line" > < a id = "l00500" name = "l00500" > < / a > < span class = "lineno" > 500< / span > < span class = "comment" > /* max_block_size = largest actual on-disk block in this stripe.< / span > < / div >
< div class = "line" > < a id = "l00501" name = "l00501" > < / a > < span class = "lineno" > 501< / span > < span class = "comment" > * Only write this many parity bytes — the rest is guaranteed zero. */< / span > < / div >
< div class = "line" > < a id = "l00502" name = "l00502" > < / a > < span class = "lineno" > 502< / span > uint64_t alignment_mask = (1ULL < < ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a04c5fb367458a6e9dd0a50b39f6edec2" > user_data_ddt_header< / a > .< a class = "code hl_variable" href = "structDdtHeader2.html#aa67b097c3a20f926ede495d27152f1c0" > blockAlignmentShift< / a > ) - 1;< / div >
< div class = "line" > < a id = "l00503" name = "l00503" > < / a > < span class = "lineno" > 503< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++)< / div >
< div class = "line" > < a id = "l00504" name = "l00504" > < / a > < span class = "lineno" > 504< / span > {< / div >
< div class = "line" > < a id = "l00505" name = "l00505" > < / a > < span class = "lineno" > 505< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ph;< / div >
< div class = "line" > < a id = "l00506" name = "l00506" > < / a > < span class = "lineno" > 506< / span > memset(& ph, 0, < span class = "keyword" > sizeof< / span > (ph));< / div >
< div class = "line" > < a id = "l00507" name = "l00507" > < / a > < span class = "lineno" > 507< / span > ph.< a class = "code hl_variable" href = "structBlockHeader.html#a3b03f118fb2dc3dcef3f87a82238e358" > identifier< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > ; ph.< a class = "code hl_variable" href = "structBlockHeader.html#ac31ad48f3362a43175c94ec2e30662ad" > type< / a > = parity_data_type;< / div >
< div class = "line" > < a id = "l00508" name = "l00508" > < / a > < span class = "lineno" > 508< / span > ph.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > kCompressionNone< / a > ;< / div >
< div class = "line" > < a id = "l00509" name = "l00509" > < / a > < span class = "lineno" > 509< / span > ph.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > = shard_size; ph.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > = shard_size;< / div >
< div class = "line" > < a id = "l00510" name = "l00510" > < / a > < span class = "lineno" > 510< / span > ph.< a class = "code hl_variable" href = "structBlockHeader.html#ab4d9e3a871e0c7f12a881017dac4ca12" > crc64< / a > = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (parity[m], shard_size); ph.< a class = "code hl_variable" href = "structBlockHeader.html#a8ff40eae6c49f0d9b49825f75e1e2bf8" > cmpCrc64< / a > = ph.< a class = "code hl_variable" href = "structBlockHeader.html#ab4d9e3a871e0c7f12a881017dac4ca12" > crc64< / a > ;< / div >
< div class = "line" > < a id = "l00511" name = "l00511" > < / a > < span class = "lineno" > 511< / span > < / div >
< div class = "line" > < a id = "l00512" name = "l00512" > < / a > < span class = "lineno" > 512< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , 0, SEEK_END);< / div >
< div class = "line" > < a id = "l00513" name = "l00513" > < / a > < span class = "lineno" > 513< / span > uint64_t po = ((uint64_t)< a class = "code hl_function" href = "internal_8h.html#a697ee4ab2c7adc710e56b0ef868596d7" > aaruf_ftell< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) + alignment_mask) & ~alignment_mask;< / div >
< div class = "line" > < a id = "l00514" name = "l00514" > < / a > < span class = "lineno" > 514< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )po, SEEK_SET);< / div >
< div class = "line" > < a id = "l00515" name = "l00515" > < / a > < span class = "lineno" > 515< / span > fwrite(& ph, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00516" name = "l00516" > < / a > < span class = "lineno" > 516< / span > fwrite(parity[m], shard_size, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00517" name = "l00517" > < / a > < span class = "lineno" > 517< / span > < / div >
< div class = "line" > < a id = "l00518" name = "l00518" > < / a > < span class = "lineno" > 518< / span > < a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > pe; pe.< a class = "code hl_variable" href = "structStripeParityBlockEntry.html#a4222801a62acbce61990ee79faf26050" > offset< / a > = po;< / div >
< div class = "line" > < a id = "l00519" name = "l00519" > < / a > < span class = "lineno" > 519< / span > memcpy(dp, & pe, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > )); dp += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l00520" name = "l00520" > < / a > < span class = "lineno" > 520< / span > < / div >
< div class = "line" > < a id = "l00521" name = "l00521" > < / a > < span class = "lineno" > 521< / span > < a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > ie = {.blockType = < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > , .dataType = parity_data_type, .offset = po};< / div >
< div class = "line" > < a id = "l00522" name = "l00522" > < / a > < span class = "lineno" > 522< / span > utarray_push_back(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > , & ie);< / div >
< div class = "line" > < a id = "l00523" name = "l00523" > < / a > < span class = "lineno" > 523< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a63616c8450e9e1853e0645714fe310cb" > dirty_index_block< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00524" name = "l00524" > < / a > < span class = "lineno" > 524< / span > free(parity[m]);< / div >
< div class = "line" > < a id = "l00525" name = "l00525" > < / a > < span class = "lineno" > 525< / span > }< / div >
< div class = "line" > < a id = "l00526" name = "l00526" > < / a > < span class = "lineno" > 526< / span > free(parity); < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > (rs);< / div >
< div class = "line" > < a id = "l00527" name = "l00527" > < / a > < span class = "lineno" > 527< / span > < / div >
< div class = "line" > < a id = "l00528" name = "l00528" > < / a > < span class = "lineno" > 528< / span > memset(out_group, 0, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ));< / div >
< div class = "line" > < a id = "l00529" name = "l00529" > < / a > < span class = "lineno" > 529< / span > out_group-> < a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a6093f8c41fb1aa55c8367e2a92fe9f7f" > groupType< / a > = group_type; out_group-> < a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a46b938eb0fea65843e741c2cc240d14b" > K< / a > = actual_k; out_group-> < a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > = M;< / div >
< div class = "line" > < a id = "l00530" name = "l00530" > < / a > < span class = "lineno" > 530< / span > out_group-> < a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a2a457b42f8562c872b0b7e0f1b054ef5" > shardSize< / a > = shard_size; out_group-> < a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > = 1; out_group-> < a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a747366878bf9d2d68b37fddc30346546" > interleaveDepth< / a > = 1;< / div >
< div class = "line" > < a id = "l00531" name = "l00531" > < / a > < span class = "lineno" > 531< / span > *out_desc = desc; *out_desc_len = desc_size;< / div >
< div class = "line" > < a id = "l00532" name = "l00532" > < / a > < span class = "lineno" > 532< / span > }< / div >
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< / div >
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< div class = "line" > < a id = "l00533" name = "l00533" > < / a > < span class = "lineno" > 533< / span > < / div >
< div class = "foldopen" id = "foldopen00537" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00537" name = "l00537" > < / a > < span class = "lineno" > < a class = "line" href = "erasure_8c.html#a1222930aded868b0b0c4eeed13c237e2" > 537< / a > < / span > < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure_8c.html#a1222930aded868b0b0c4eeed13c237e2" > ec_collect_blocks_by_type< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, uint32_t block_type,< / div >
< div class = "line" > < a id = "l00538" name = "l00538" > < / a > < span class = "lineno" > 538< / span > uint64_t **out_offsets, uint32_t **out_sizes, uint32_t *out_count)< / div >
< div class = "line" > < a id = "l00539" name = "l00539" > < / a > < span class = "lineno" > 539< / span > {< / div >
< div class = "line" > < a id = "l00540" name = "l00540" > < / a > < span class = "lineno" > 540< / span > *out_offsets = NULL; *out_sizes = NULL; *out_count = 0;< / div >
< div class = "line" > < a id = "l00541" name = "l00541" > < / a > < span class = "lineno" > 541< / span > uint32_t n = (uint32_t)utarray_len(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > );< / div >
< div class = "line" > < a id = "l00542" name = "l00542" > < / a > < span class = "lineno" > 542< / span > < span class = "keywordflow" > if< / span > (n == 0) < span class = "keywordflow" > return< / span > ;< / div >
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< div class = "line" > < a id = "l00543" name = "l00543" > < / a > < span class = "lineno" > 543< / span > < / div >
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< div class = "line" > < a id = "l00544" name = "l00544" > < / a > < span class = "lineno" > 544< / span > uint32_t count = 0;< / div >
< div class = "line" > < a id = "l00545" name = "l00545" > < / a > < span class = "lineno" > 545< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < n; i++)< / div >
< div class = "line" > < a id = "l00546" name = "l00546" > < / a > < span class = "lineno" > 546< / span > {< / div >
< div class = "line" > < a id = "l00547" name = "l00547" > < / a > < span class = "lineno" > 547< / span > < a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *ie = (< a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *)utarray_eltptr(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > , i);< / div >
< div class = "line" > < a id = "l00548" name = "l00548" > < / a > < span class = "lineno" > 548< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == block_type) count++;< / div >
< div class = "line" > < a id = "l00549" name = "l00549" > < / a > < span class = "lineno" > 549< / span > }< / div >
< div class = "line" > < a id = "l00550" name = "l00550" > < / a > < span class = "lineno" > 550< / span > < span class = "keywordflow" > if< / span > (count == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00551" name = "l00551" > < / a > < span class = "lineno" > 551< / span > < / div >
< div class = "line" > < a id = "l00552" name = "l00552" > < / a > < span class = "lineno" > 552< / span > uint64_t *offsets = (uint64_t *)malloc(count * < span class = "keyword" > sizeof< / span > (uint64_t));< / div >
< div class = "line" > < a id = "l00553" name = "l00553" > < / a > < span class = "lineno" > 553< / span > uint32_t *sizes = (uint32_t *)malloc(count * < span class = "keyword" > sizeof< / span > (uint32_t));< / div >
< div class = "line" > < a id = "l00554" name = "l00554" > < / a > < span class = "lineno" > 554< / span > < span class = "keywordflow" > if< / span > (!offsets || !sizes) { free(offsets); free(sizes); < span class = "keywordflow" > return< / span > ; }< / div >
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< div class = "line" > < a id = "l00555" name = "l00555" > < / a > < span class = "lineno" > 555< / span > < / div >
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< div class = "line" > < a id = "l00556" name = "l00556" > < / a > < span class = "lineno" > 556< / span > uint32_t idx = 0;< / div >
< div class = "line" > < a id = "l00557" name = "l00557" > < / a > < span class = "lineno" > 557< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < n & & idx < count; i++)< / div >
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< div class = "line" > < a id = "l00558" name = "l00558" > < / a > < span class = "lineno" > 558< / span > {< / div >
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< div class = "line" > < a id = "l00559" name = "l00559" > < / a > < span class = "lineno" > 559< / span > < a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *ie = (< a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *)utarray_eltptr(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > , i);< / div >
< div class = "line" > < a id = "l00560" name = "l00560" > < / a > < span class = "lineno" > 560< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > != block_type) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00561" name = "l00561" > < / a > < span class = "lineno" > 561< / span > offsets[idx] = ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a854951a64192d7e4cdcfa6dd6fd2b3ea" > offset< / a > ;< / div >
< div class = "line" > < a id = "l00562" name = "l00562" > < / a > < span class = "lineno" > 562< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a854951a64192d7e4cdcfa6dd6fd2b3ea" > offset< / a > , SEEK_SET);< / div >
< div class = "line" > < a id = "l00563" name = "l00563" > < / a > < span class = "lineno" > 563< / span > < span class = "keywordflow" > if< / span > (block_type == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3aba4d0f50b26af1d0292daaa0d70feacf" > DeDuplicationTable2< / a > || block_type == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a76b6a78e4e765794c4cca2dde5bfc3fb" > DeDuplicationTableSecondary< / a > )< / div >
< div class = "line" > < a id = "l00564" name = "l00564" > < / a > < span class = "lineno" > 564< / span > {< / div >
< div class = "line" > < a id = "l00565" name = "l00565" > < / a > < span class = "lineno" > 565< / span > < a class = "code hl_struct" href = "structDdtHeader2.html" > DdtHeader2< / a > ddt_hdr;< / div >
< div class = "line" > < a id = "l00566" name = "l00566" > < / a > < span class = "lineno" > 566< / span > < span class = "keywordflow" > if< / span > (fread(& ddt_hdr, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structDdtHeader2.html" > DdtHeader2< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) == 1)< / div >
< div class = "line" > < a id = "l00567" name = "l00567" > < / a > < span class = "lineno" > 567< / span > sizes[idx] = (uint32_t)(< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structDdtHeader2.html" > DdtHeader2< / a > ) + ddt_hdr.< a class = "code hl_variable" href = "structDdtHeader2.html#aee50fc92a9151bd352808b28bccd5045" > cmpLength< / a > );< / div >
< div class = "line" > < a id = "l00568" name = "l00568" > < / a > < span class = "lineno" > 568< / span > < span class = "keywordflow" > else< / span > sizes[idx] = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structDdtHeader2.html" > DdtHeader2< / a > );< / div >
< div class = "line" > < a id = "l00569" name = "l00569" > < / a > < span class = "lineno" > 569< / span > }< / div >
< div class = "line" > < a id = "l00570" name = "l00570" > < / a > < span class = "lineno" > 570< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00571" name = "l00571" > < / a > < span class = "lineno" > 571< / span > {< / div >
< div class = "line" > < a id = "l00572" name = "l00572" > < / a > < span class = "lineno" > 572< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > blk_hdr;< / div >
< div class = "line" > < a id = "l00573" name = "l00573" > < / a > < span class = "lineno" > 573< / span > < span class = "keywordflow" > if< / span > (fread(& blk_hdr, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) == 1)< / div >
< div class = "line" > < a id = "l00574" name = "l00574" > < / a > < span class = "lineno" > 574< / span > sizes[idx] = (uint32_t)(< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ) + blk_hdr.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > );< / div >
< div class = "line" > < a id = "l00575" name = "l00575" > < / a > < span class = "lineno" > 575< / span > < span class = "keywordflow" > else< / span > sizes[idx] = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > );< / div >
< div class = "line" > < a id = "l00576" name = "l00576" > < / a > < span class = "lineno" > 576< / span > }< / div >
< div class = "line" > < a id = "l00577" name = "l00577" > < / a > < span class = "lineno" > 577< / span > idx++;< / div >
< div class = "line" > < a id = "l00578" name = "l00578" > < / a > < span class = "lineno" > 578< / span > }< / div >
< div class = "line" > < a id = "l00579" name = "l00579" > < / a > < span class = "lineno" > 579< / span > *out_offsets = offsets; *out_sizes = sizes; *out_count = idx;< / div >
< div class = "line" > < a id = "l00580" name = "l00580" > < / a > < span class = "lineno" > 580< / span > }< / div >
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< / div >
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< div class = "line" > < a id = "l00581" name = "l00581" > < / a > < span class = "lineno" > 581< / span > < / div >
< div class = "foldopen" id = "foldopen00585" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00585" name = "l00585" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#a38a12ac5d36e23b28d2f110906b14126" > 585< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#a38a12ac5d36e23b28d2f110906b14126" > ec_finalize< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx)< / div >
< div class = "line" > < a id = "l00586" name = "l00586" > < / a > < span class = "lineno" > 586< / span > {< / div >
< div class = "line" > < a id = "l00587" name = "l00587" > < / a > < span class = "lineno" > 587< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac08b99bdbcd7a208e6893d59f0e02a17" > ec_enabled< / a > ) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00588" name = "l00588" > < / a > < span class = "lineno" > 588< / span > < / div >
< div class = "line" > < a id = "l00589" name = "l00589" > < / a > < span class = "lineno" > 589< / span > < span class = "keyword" > const< / span > uint16_t K = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > ;< / div >
< div class = "line" > < a id = "l00590" name = "l00590" > < / a > < span class = "lineno" > 590< / span > < span class = "keyword" > const< / span > uint16_t M = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > ;< / div >
< div class = "line" > < a id = "l00591" name = "l00591" > < / a > < span class = "lineno" > 591< / span > < / div >
< div class = "line" > < a id = "l00592" name = "l00592" > < / a > < span class = "lineno" > 592< / span > < span class = "comment" > /* --- Group 0: Data blocks (flush partial stripes) --- */< / span > < / div >
< div class = "line" > < a id = "l00593" name = "l00593" > < / a > < span class = "lineno" > 593< / span > < span class = "keywordflow" > for< / span > (uint16_t slot = 0; slot < K; slot++)< / div >
< div class = "line" > < a id = "l00594" name = "l00594" > < / a > < span class = "lineno" > 594< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > [slot] > 0)< / div >
< div class = "line" > < a id = "l00595" name = "l00595" > < / a > < span class = "lineno" > 595< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#aa258c90d05ad57fc4c378679e5187e48" > ec_flush_data_stripe< / a > (ctx, slot);< / div >
< div class = "line" > < a id = "l00596" name = "l00596" > < / a > < span class = "lineno" > 596< / span > < / div >
< div class = "line" > < a id = "l00597" name = "l00597" > < / a > < span class = "lineno" > 597< / span > uint32_t data_stripe_count = 0;< / div >
< div class = "line" > < a id = "l00598" name = "l00598" > < / a > < span class = "lineno" > 598< / span > {< / div >
< div class = "line" > < a id = "l00599" name = "l00599" > < / a > < span class = "lineno" > 599< / span > < span class = "keywordtype" > size_t< / span > total_bytes = utarray_len(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > );< / div >
< div class = "line" > < a id = "l00600" name = "l00600" > < / a > < span class = "lineno" > 600< / span > uint8_t *base = (uint8_t *)utarray_front(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > );< / div >
< div class = "line" > < a id = "l00601" name = "l00601" > < / a > < span class = "lineno" > 601< / span > < span class = "keywordtype" > size_t< / span > pos = 0;< / div >
< div class = "line" > < a id = "l00602" name = "l00602" > < / a > < span class = "lineno" > 602< / span > < span class = "keywordflow" > while< / span > (base & & pos + < span class = "keyword" > sizeof< / span > (uint16_t) < = total_bytes)< / div >
< div class = "line" > < a id = "l00603" name = "l00603" > < / a > < span class = "lineno" > 603< / span > {< / div >
< div class = "line" > < a id = "l00604" name = "l00604" > < / a > < span class = "lineno" > 604< / span > uint16_t ak;< / div >
< div class = "line" > < a id = "l00605" name = "l00605" > < / a > < span class = "lineno" > 605< / span > memcpy(& ak, base + pos, < span class = "keyword" > sizeof< / span > (uint16_t));< / div >
< div class = "line" > < a id = "l00606" name = "l00606" > < / a > < span class = "lineno" > 606< / span > pos += < span class = "keyword" > sizeof< / span > (uint16_t) + (< span class = "keywordtype" > size_t< / span > )ak * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > ) + (< span class = "keywordtype" > size_t< / span > )M * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l00607" name = "l00607" > < / a > < span class = "lineno" > 607< / span > data_stripe_count++;< / div >
< div class = "line" > < a id = "l00608" name = "l00608" > < / a > < span class = "lineno" > 608< / span > }< / div >
< div class = "line" > < a id = "l00609" name = "l00609" > < / a > < span class = "lineno" > 609< / span > }< / div >
< div class = "line" > < a id = "l00610" name = "l00610" > < / a > < span class = "lineno" > 610< / span > < / div >
< div class = "line" > < a id = "l00611" name = "l00611" > < / a > < span class = "lineno" > 611< / span > < a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > data_group;< / div >
< div class = "line" > < a id = "l00612" name = "l00612" > < / a > < span class = "lineno" > 612< / span > memset(& data_group, 0, < span class = "keyword" > sizeof< / span > (data_group));< / div >
< div class = "line" > < a id = "l00613" name = "l00613" > < / a > < span class = "lineno" > 613< / span > data_group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a6093f8c41fb1aa55c8367e2a92fe9f7f" > groupType< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eacca27cc435d2d572b6d740594da18db9" > kECGroupData< / a > ; data_group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a46b938eb0fea65843e741c2cc240d14b" > K< / a > = K; data_group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > = M;< / div >
< div class = "line" > < a id = "l00614" name = "l00614" > < / a > < span class = "lineno" > 614< / span > data_group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a2a457b42f8562c872b0b7e0f1b054ef5" > shardSize< / a > = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > ; data_group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > = data_stripe_count;< / div >
< div class = "line" > < a id = "l00615" name = "l00615" > < / a > < span class = "lineno" > 615< / span > data_group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a747366878bf9d2d68b37fddc30346546" > interleaveDepth< / a > = K;< / div >
< div class = "line" > < a id = "l00616" name = "l00616" > < / a > < span class = "lineno" > 616< / span > < span class = "keywordtype" > size_t< / span > data_stripe_data_len = utarray_len(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > );< / div >
< div class = "line" > < a id = "l00617" name = "l00617" > < / a > < span class = "lineno" > 617< / span > < / div >
< div class = "line" > < a id = "l00618" name = "l00618" > < / a > < span class = "lineno" > 618< / span > < span class = "comment" > /* --- Group 1: DDT secondary --- */< / span > < / div >
< div class = "line" > < a id = "l00619" name = "l00619" > < / a > < span class = "lineno" > 619< / span > uint8_t *ddt_sec_desc = NULL; < span class = "keywordtype" > size_t< / span > ddt_sec_desc_len = 0;< / div >
< div class = "line" > < a id = "l00620" name = "l00620" > < / a > < span class = "lineno" > 620< / span > < a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ddt_sec_group; memset(& ddt_sec_group, 0, < span class = "keyword" > sizeof< / span > (ddt_sec_group));< / div >
< div class = "line" > < a id = "l00621" name = "l00621" > < / a > < span class = "lineno" > 621< / span > {< / div >
< div class = "line" > < a id = "l00622" name = "l00622" > < / a > < span class = "lineno" > 622< / span > uint64_t *off; uint32_t *sz; uint32_t cnt;< / div >
< div class = "line" > < a id = "l00623" name = "l00623" > < / a > < span class = "lineno" > 623< / span > < a class = "code hl_function" href = "erasure_8c.html#a1222930aded868b0b0c4eeed13c237e2" > ec_collect_blocks_by_type< / a > (ctx, < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a76b6a78e4e765794c4cca2dde5bfc3fb" > DeDuplicationTableSecondary< / a > , & off, & sz, & cnt);< / div >
< div class = "line" > < a id = "l00624" name = "l00624" > < / a > < span class = "lineno" > 624< / span > < span class = "keywordflow" > if< / span > (cnt > 0) { < a class = "code hl_function" href = "erasure_8c.html#aed80b4dc1f360dbac00a5f73d350bf1a" > ec_write_batch_parity< / a > (ctx, off, sz, cnt, < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eaf5acb726ee779a2e93b636a0bee14972" > kECGroupDdtSecondary< / a > , < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a0415d7a4a6fe1e616eecc1a0465c8dd4" > kDataTypeErasureParityDdt< / a > , & ddt_sec_desc, & ddt_sec_desc_len, & ddt_sec_group); free(off); free(sz); }< / div >
< div class = "line" > < a id = "l00625" name = "l00625" > < / a > < span class = "lineno" > 625< / span > }< / div >
< div class = "line" > < a id = "l00626" name = "l00626" > < / a > < span class = "lineno" > 626< / span > < / div >
< div class = "line" > < a id = "l00627" name = "l00627" > < / a > < span class = "lineno" > 627< / span > < span class = "comment" > /* --- Group 2: DDT primary --- */< / span > < / div >
< div class = "line" > < a id = "l00628" name = "l00628" > < / a > < span class = "lineno" > 628< / span > uint8_t *ddt_pri_desc = NULL; < span class = "keywordtype" > size_t< / span > ddt_pri_desc_len = 0;< / div >
< div class = "line" > < a id = "l00629" name = "l00629" > < / a > < span class = "lineno" > 629< / span > < a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ddt_pri_group; memset(& ddt_pri_group, 0, < span class = "keyword" > sizeof< / span > (ddt_pri_group));< / div >
< div class = "line" > < a id = "l00630" name = "l00630" > < / a > < span class = "lineno" > 630< / span > {< / div >
< div class = "line" > < a id = "l00631" name = "l00631" > < / a > < span class = "lineno" > 631< / span > uint64_t *off; uint32_t *sz; uint32_t cnt;< / div >
< div class = "line" > < a id = "l00632" name = "l00632" > < / a > < span class = "lineno" > 632< / span > < a class = "code hl_function" href = "erasure_8c.html#a1222930aded868b0b0c4eeed13c237e2" > ec_collect_blocks_by_type< / a > (ctx, < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3aba4d0f50b26af1d0292daaa0d70feacf" > DeDuplicationTable2< / a > , & off, & sz, & cnt);< / div >
< div class = "line" > < a id = "l00633" name = "l00633" > < / a > < span class = "lineno" > 633< / span > < span class = "keywordflow" > if< / span > (cnt > 0) { < a class = "code hl_function" href = "erasure_8c.html#aed80b4dc1f360dbac00a5f73d350bf1a" > ec_write_batch_parity< / a > (ctx, off, sz, cnt, < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eaba5fd72984872e2da8f9adcee83c592a" > kECGroupDdtPrimary< / a > , < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a08a4aa580854c87d64264258bb690bc3" > kDataTypeErasureParityDdtPrimary< / a > , & ddt_pri_desc, & ddt_pri_desc_len, & ddt_pri_group); free(off); free(sz); }< / div >
< div class = "line" > < a id = "l00634" name = "l00634" > < / a > < span class = "lineno" > 634< / span > }< / div >
< div class = "line" > < a id = "l00635" name = "l00635" > < / a > < span class = "lineno" > 635< / span > < / div >
< div class = "line" > < a id = "l00636" name = "l00636" > < / a > < span class = "lineno" > 636< / span > < span class = "comment" > /* --- Group 3: Metadata — all blocks that are not data/parity, DDT, or index.< / span > < / div >
< div class = "line" > < a id = "l00637" name = "l00637" > < / a > < span class = "lineno" > 637< / span > < span class = "comment" > * These include TracksBlock, ChecksumBlock, GeometryBlock, MetadataBlock, DumpHardwareBlock,< / span > < / div >
< div class = "line" > < a id = "l00638" name = "l00638" > < / a > < span class = "lineno" > 638< / span > < span class = "comment" > * CicmBlock, AaruMetadataJsonBlock, and DataBlock with non-UserData types (media tags,< / span > < / div >
< div class = "line" > < a id = "l00639" name = "l00639" > < / a > < span class = "lineno" > 639< / span > < span class = "comment" > * sector prefix/suffix, subchannel, etc.).< / span > < / div >
< div class = "line" > < a id = "l00640" name = "l00640" > < / a > < span class = "lineno" > 640< / span > < span class = "comment" > *< / span > < / div >
< div class = "line" > < a id = "l00641" name = "l00641" > < / a > < span class = "lineno" > 641< / span > < span class = "comment" > * IMPORTANT: non-DataBlock types have different header layouts. We cannot read their< / span > < / div >
< div class = "line" > < a id = "l00642" name = "l00642" > < / a > < span class = "lineno" > 642< / span > < span class = "comment" > * cmpLength via BlockHeader. Instead, compute on-disk size from index entry offsets:< / span > < / div >
< div class = "line" > < a id = "l00643" name = "l00643" > < / a > < span class = "lineno" > 643< / span > < span class = "comment" > * sort by offset, then size[i] = offset[i+1] - offset[i]. For the last entry, read< / span > < / div >
< div class = "line" > < a id = "l00644" name = "l00644" > < / a > < span class = "lineno" > 644< / span > < span class = "comment" > * from the block' s header struct if it' s a DataBlock, otherwise use a reasonable bound. */< / span > < / div >
< div class = "line" > < a id = "l00645" name = "l00645" > < / a > < span class = "lineno" > 645< / span > uint8_t *meta_desc = NULL; < span class = "keywordtype" > size_t< / span > meta_desc_len = 0;< / div >
< div class = "line" > < a id = "l00646" name = "l00646" > < / a > < span class = "lineno" > 646< / span > < a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > meta_group; memset(& meta_group, 0, < span class = "keyword" > sizeof< / span > (meta_group));< / div >
< div class = "line" > < a id = "l00647" name = "l00647" > < / a > < span class = "lineno" > 647< / span > {< / div >
< div class = "line" > < a id = "l00648" name = "l00648" > < / a > < span class = "lineno" > 648< / span > uint32_t n = (uint32_t)utarray_len(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > );< / div >
< div class = "line" > < a id = "l00649" name = "l00649" > < / a > < span class = "lineno" > 649< / span > < / div >
< div class = "line" > < a id = "l00650" name = "l00650" > < / a > < span class = "lineno" > 650< / span > < span class = "comment" > /* Collect metadata block offsets */< / span > < / div >
< div class = "line" > < a id = "l00651" name = "l00651" > < / a > < span class = "lineno" > 651< / span > uint32_t count = 0;< / div >
< div class = "line" > < a id = "l00652" name = "l00652" > < / a > < span class = "lineno" > 652< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < n; i++)< / div >
< div class = "line" > < a id = "l00653" name = "l00653" > < / a > < span class = "lineno" > 653< / span > {< / div >
< div class = "line" > < a id = "l00654" name = "l00654" > < / a > < span class = "lineno" > 654< / span > < a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *ie = (< a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *)utarray_eltptr(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > , i);< / div >
< div class = "line" > < a id = "l00655" name = "l00655" > < / a > < span class = "lineno" > 655< / span > < span class = "comment" > /* Skip user data blocks and parity blocks */< / span > < / div >
< div class = "line" > < a id = "l00656" name = "l00656" > < / a > < span class = "lineno" > 656< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > & & (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#ae5d35082a756e0388efbf5fabbe93d10" > dataType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6ace86d5a01f2f20eab66f36b8af9676c2" > kDataTypeUserData< / a > ||< / div >
< div class = "line" > < a id = "l00657" name = "l00657" > < / a > < span class = "lineno" > 657< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#ae5d35082a756e0388efbf5fabbe93d10" > dataType< / a > > = < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6adb8752d43e2e151c60d90bb2962d16a6" > kDataTypeErasureParity< / a > & & ie-> < a class = "code hl_variable" href = "structIndexEntry.html#ae5d35082a756e0388efbf5fabbe93d10" > dataType< / a > < = < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a5069a00563fe1a94724c8f15f463419d" > kDataTypeErasureParityIndex< / a > ))) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00658" name = "l00658" > < / a > < span class = "lineno" > 658< / span > < span class = "comment" > /* Skip DDT blocks */< / span > < / div >
< div class = "line" > < a id = "l00659" name = "l00659" > < / a > < span class = "lineno" > 659< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3aba4d0f50b26af1d0292daaa0d70feacf" > DeDuplicationTable2< / a > || ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a76b6a78e4e765794c4cca2dde5bfc3fb" > DeDuplicationTableSecondary< / a > ||< / div >
< div class = "line" > < a id = "l00660" name = "l00660" > < / a > < span class = "lineno" > 660< / span > ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3ac9f1e20a51c73f238aa322e180c42bd4" > DeDuplicationTable< / a > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00661" name = "l00661" > < / a > < span class = "lineno" > 661< / span > < span class = "comment" > /* Skip index blocks */< / span > < / div >
< div class = "line" > < a id = "l00662" name = "l00662" > < / a > < span class = "lineno" > 662< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3ab8d63dc690b2ba82f066fdc31ab5adad" > IndexBlock< / a > || ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a6ee3c4c583df36e3dfe796593c1e9439" > IndexBlock2< / a > || ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a318acaf230a8ad091ef405caf7e4f411" > IndexBlock3< / a > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00663" name = "l00663" > < / a > < span class = "lineno" > 663< / span > count++;< / div >
< div class = "line" > < a id = "l00664" name = "l00664" > < / a > < span class = "lineno" > 664< / span > }< / div >
< div class = "line" > < a id = "l00665" name = "l00665" > < / a > < span class = "lineno" > 665< / span > < / div >
< div class = "line" > < a id = "l00666" name = "l00666" > < / a > < span class = "lineno" > 666< / span > < span class = "keywordflow" > if< / span > (count > 0 & & count < = (uint32_t)(255 - M))< / div >
< div class = "line" > < a id = "l00667" name = "l00667" > < / a > < span class = "lineno" > 667< / span > {< / div >
< div class = "line" > < a id = "l00668" name = "l00668" > < / a > < span class = "lineno" > 668< / span > uint64_t *off = (uint64_t *)malloc(count * < span class = "keyword" > sizeof< / span > (uint64_t));< / div >
< div class = "line" > < a id = "l00669" name = "l00669" > < / a > < span class = "lineno" > 669< / span > uint32_t *sz = (uint32_t *)calloc(count, < span class = "keyword" > sizeof< / span > (uint32_t));< / div >
< div class = "line" > < a id = "l00670" name = "l00670" > < / a > < span class = "lineno" > 670< / span > uint32_t *bt = (uint32_t *)malloc(count * < span class = "keyword" > sizeof< / span > (uint32_t));< / div >
< div class = "line" > < a id = "l00671" name = "l00671" > < / a > < span class = "lineno" > 671< / span > < span class = "keywordflow" > if< / span > (off & & sz & & bt)< / div >
< div class = "line" > < a id = "l00672" name = "l00672" > < / a > < span class = "lineno" > 672< / span > {< / div >
< div class = "line" > < a id = "l00673" name = "l00673" > < / a > < span class = "lineno" > 673< / span > < span class = "comment" > /* Collect offsets and block types */< / span > < / div >
< div class = "line" > < a id = "l00674" name = "l00674" > < / a > < span class = "lineno" > 674< / span > uint32_t idx = 0;< / div >
< div class = "line" > < a id = "l00675" name = "l00675" > < / a > < span class = "lineno" > 675< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < n & & idx < count; i++)< / div >
< div class = "line" > < a id = "l00676" name = "l00676" > < / a > < span class = "lineno" > 676< / span > {< / div >
< div class = "line" > < a id = "l00677" name = "l00677" > < / a > < span class = "lineno" > 677< / span > < a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *ie = (< a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *)utarray_eltptr(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > , i);< / div >
< div class = "line" > < a id = "l00678" name = "l00678" > < / a > < span class = "lineno" > 678< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > & & (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#ae5d35082a756e0388efbf5fabbe93d10" > dataType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6ace86d5a01f2f20eab66f36b8af9676c2" > kDataTypeUserData< / a > ||< / div >
< div class = "line" > < a id = "l00679" name = "l00679" > < / a > < span class = "lineno" > 679< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#ae5d35082a756e0388efbf5fabbe93d10" > dataType< / a > > = < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6adb8752d43e2e151c60d90bb2962d16a6" > kDataTypeErasureParity< / a > & & ie-> < a class = "code hl_variable" href = "structIndexEntry.html#ae5d35082a756e0388efbf5fabbe93d10" > dataType< / a > < = < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a5069a00563fe1a94724c8f15f463419d" > kDataTypeErasureParityIndex< / a > ))) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00680" name = "l00680" > < / a > < span class = "lineno" > 680< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3aba4d0f50b26af1d0292daaa0d70feacf" > DeDuplicationTable2< / a > || ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a76b6a78e4e765794c4cca2dde5bfc3fb" > DeDuplicationTableSecondary< / a > ||< / div >
< div class = "line" > < a id = "l00681" name = "l00681" > < / a > < span class = "lineno" > 681< / span > ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3ac9f1e20a51c73f238aa322e180c42bd4" > DeDuplicationTable< / a > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00682" name = "l00682" > < / a > < span class = "lineno" > 682< / span > < span class = "keywordflow" > if< / span > (ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3ab8d63dc690b2ba82f066fdc31ab5adad" > IndexBlock< / a > || ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a6ee3c4c583df36e3dfe796593c1e9439" > IndexBlock2< / a > || ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a318acaf230a8ad091ef405caf7e4f411" > IndexBlock3< / a > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l00683" name = "l00683" > < / a > < span class = "lineno" > 683< / span > off[idx] = ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a854951a64192d7e4cdcfa6dd6fd2b3ea" > offset< / a > ;< / div >
< div class = "line" > < a id = "l00684" name = "l00684" > < / a > < span class = "lineno" > 684< / span > bt[idx] = ie-> < a class = "code hl_variable" href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > blockType< / a > ;< / div >
< div class = "line" > < a id = "l00685" name = "l00685" > < / a > < span class = "lineno" > 685< / span > idx++;< / div >
< div class = "line" > < a id = "l00686" name = "l00686" > < / a > < span class = "lineno" > 686< / span > }< / div >
< div class = "line" > < a id = "l00687" name = "l00687" > < / a > < span class = "lineno" > 687< / span > < / div >
< div class = "line" > < a id = "l00688" name = "l00688" > < / a > < span class = "lineno" > 688< / span > < span class = "comment" > /* Compute on-disk sizes. For DataBlock types, read cmpLength from header.< / span > < / div >
< div class = "line" > < a id = "l00689" name = "l00689" > < / a > < span class = "lineno" > 689< / span > < span class = "comment" > * For other block types (TracksBlock, ChecksumBlock, etc.), read their< / span > < / div >
< div class = "line" > < a id = "l00690" name = "l00690" > < / a > < span class = "lineno" > 690< / span > < span class = "comment" > * specific header to get the payload length. Use a generic approach:< / span > < / div >
< div class = "line" > < a id = "l00691" name = "l00691" > < / a > < span class = "lineno" > 691< / span > < span class = "comment" > * read the entire block up to the next block' s offset. */< / span > < / div >
< div class = "line" > < a id = "l00692" name = "l00692" > < / a > < span class = "lineno" > 692< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < idx; i++)< / div >
< div class = "line" > < a id = "l00693" name = "l00693" > < / a > < span class = "lineno" > 693< / span > {< / div >
< div class = "line" > < a id = "l00694" name = "l00694" > < / a > < span class = "lineno" > 694< / span > < span class = "keywordflow" > if< / span > (bt[i] == < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > )< / div >
< div class = "line" > < a id = "l00695" name = "l00695" > < / a > < span class = "lineno" > 695< / span > {< / div >
< div class = "line" > < a id = "l00696" name = "l00696" > < / a > < span class = "lineno" > 696< / span > < span class = "comment" > /* DataBlock: cmpLength at offset 12 in header */< / span > < / div >
< div class = "line" > < a id = "l00697" name = "l00697" > < / a > < span class = "lineno" > 697< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )off[i], SEEK_SET);< / div >
< div class = "line" > < a id = "l00698" name = "l00698" > < / a > < span class = "lineno" > 698< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > bh;< / div >
< div class = "line" > < a id = "l00699" name = "l00699" > < / a > < span class = "lineno" > 699< / span > < span class = "keywordflow" > if< / span > (fread(& bh, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) == 1)< / div >
< div class = "line" > < a id = "l00700" name = "l00700" > < / a > < span class = "lineno" > 700< / span > sz[i] = (uint32_t)(< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ) + bh.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > );< / div >
< div class = "line" > < a id = "l00701" name = "l00701" > < / a > < span class = "lineno" > 701< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00702" name = "l00702" > < / a > < span class = "lineno" > 702< / span > sz[i] = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > );< / div >
< div class = "line" > < a id = "l00703" name = "l00703" > < / a > < span class = "lineno" > 703< / span > }< / div >
< div class = "line" > < a id = "l00704" name = "l00704" > < / a > < span class = "lineno" > 704< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00705" name = "l00705" > < / a > < span class = "lineno" > 705< / span > {< / div >
< div class = "line" > < a id = "l00706" name = "l00706" > < / a > < span class = "lineno" > 706< / span > < span class = "comment" > /* Non-DataBlock: determine size by finding the next index entry< / span > < / div >
< div class = "line" > < a id = "l00707" name = "l00707" > < / a > < span class = "lineno" > 707< / span > < span class = "comment" > * at a higher offset. This gives the gap between this block and< / span > < / div >
< div class = "line" > < a id = "l00708" name = "l00708" > < / a > < span class = "lineno" > 708< / span > < span class = "comment" > * the next, which is the on-disk size (aligned). */< / span > < / div >
< div class = "line" > < a id = "l00709" name = "l00709" > < / a > < span class = "lineno" > 709< / span > uint64_t next_offset = UINT64_MAX;< / div >
< div class = "line" > < a id = "l00710" name = "l00710" > < / a > < span class = "lineno" > 710< / span > < span class = "keywordflow" > for< / span > (uint32_t j = 0; j < n; j++)< / div >
< div class = "line" > < a id = "l00711" name = "l00711" > < / a > < span class = "lineno" > 711< / span > {< / div >
< div class = "line" > < a id = "l00712" name = "l00712" > < / a > < span class = "lineno" > 712< / span > < a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *je = (< a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > *)utarray_eltptr(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > index_entries< / a > , j);< / div >
< div class = "line" > < a id = "l00713" name = "l00713" > < / a > < span class = "lineno" > 713< / span > < span class = "keywordflow" > if< / span > (je-> < a class = "code hl_variable" href = "structIndexEntry.html#a854951a64192d7e4cdcfa6dd6fd2b3ea" > offset< / a > > off[i] & & je-> < a class = "code hl_variable" href = "structIndexEntry.html#a854951a64192d7e4cdcfa6dd6fd2b3ea" > offset< / a > < next_offset)< / div >
< div class = "line" > < a id = "l00714" name = "l00714" > < / a > < span class = "lineno" > 714< / span > next_offset = je-> < a class = "code hl_variable" href = "structIndexEntry.html#a854951a64192d7e4cdcfa6dd6fd2b3ea" > offset< / a > ;< / div >
< div class = "line" > < a id = "l00715" name = "l00715" > < / a > < span class = "lineno" > 715< / span > }< / div >
< div class = "line" > < a id = "l00716" name = "l00716" > < / a > < span class = "lineno" > 716< / span > < span class = "keywordflow" > if< / span > (next_offset != UINT64_MAX)< / div >
< div class = "line" > < a id = "l00717" name = "l00717" > < / a > < span class = "lineno" > 717< / span > sz[i] = (uint32_t)(next_offset - off[i]);< / div >
< div class = "line" > < a id = "l00718" name = "l00718" > < / a > < span class = "lineno" > 718< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00719" name = "l00719" > < / a > < span class = "lineno" > 719< / span > {< / div >
< div class = "line" > < a id = "l00720" name = "l00720" > < / a > < span class = "lineno" > 720< / span > < span class = "comment" > /* Last block before index — use index offset as bound */< / span > < / div >
< div class = "line" > < a id = "l00721" name = "l00721" > < / a > < span class = "lineno" > 721< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > header< / a > .< a class = "code hl_variable" href = "structAaruHeaderV2.html#a4ec4b1d593f5a0af19f6d7b8eaeada40" > indexOffset< / a > > off[i])< / div >
< div class = "line" > < a id = "l00722" name = "l00722" > < / a > < span class = "lineno" > 722< / span > sz[i] = (uint32_t)(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > header< / a > .< a class = "code hl_variable" href = "structAaruHeaderV2.html#a4ec4b1d593f5a0af19f6d7b8eaeada40" > indexOffset< / a > - off[i]);< / div >
< div class = "line" > < a id = "l00723" name = "l00723" > < / a > < span class = "lineno" > 723< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l00724" name = "l00724" > < / a > < span class = "lineno" > 724< / span > sz[i] = 4096; < span class = "comment" > /* safe fallback */< / span > < / div >
< div class = "line" > < a id = "l00725" name = "l00725" > < / a > < span class = "lineno" > 725< / span > }< / div >
< div class = "line" > < a id = "l00726" name = "l00726" > < / a > < span class = "lineno" > 726< / span > }< / div >
< div class = "line" > < a id = "l00727" name = "l00727" > < / a > < span class = "lineno" > 727< / span > }< / div >
< div class = "line" > < a id = "l00728" name = "l00728" > < / a > < span class = "lineno" > 728< / span > < / div >
< div class = "line" > < a id = "l00729" name = "l00729" > < / a > < span class = "lineno" > 729< / span > < a class = "code hl_function" href = "erasure_8c.html#aed80b4dc1f360dbac00a5f73d350bf1a" > ec_write_batch_parity< / a > (ctx, off, sz, idx, < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03ea5fb086c67288ffec790901b1026b3e0f" > kECGroupMetadata< / a > , < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6aa85ba79bd52a96a4ca058718351b06f5" > kDataTypeErasureParityMeta< / a > ,< / div >
< div class = "line" > < a id = "l00730" name = "l00730" > < / a > < span class = "lineno" > 730< / span > & meta_desc, & meta_desc_len, & meta_group);< / div >
< div class = "line" > < a id = "l00731" name = "l00731" > < / a > < span class = "lineno" > 731< / span > }< / div >
< div class = "line" > < a id = "l00732" name = "l00732" > < / a > < span class = "lineno" > 732< / span > free(off); free(sz); free(bt);< / div >
< div class = "line" > < a id = "l00733" name = "l00733" > < / a > < span class = "lineno" > 733< / span > }< / div >
< div class = "line" > < a id = "l00734" name = "l00734" > < / a > < span class = "lineno" > 734< / span > }< / div >
< div class = "line" > < a id = "l00735" name = "l00735" > < / a > < span class = "lineno" > 735< / span > < / div >
< div class = "line" > < a id = "l00736" name = "l00736" > < / a > < span class = "lineno" > 736< / span > < span class = "comment" > /* --- Group 4: Index (K=1, M replicas) --- */< / span > < / div >
< div class = "line" > < a id = "l00737" name = "l00737" > < / a > < span class = "lineno" > 737< / span > uint8_t *idx_desc = NULL; < span class = "keywordtype" > size_t< / span > idx_desc_len = 0;< / div >
< div class = "line" > < a id = "l00738" name = "l00738" > < / a > < span class = "lineno" > 738< / span > < a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > idx_group; memset(& idx_group, 0, < span class = "keyword" > sizeof< / span > (idx_group));< / div >
< div class = "line" > < a id = "l00739" name = "l00739" > < / a > < span class = "lineno" > 739< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > header< / a > .< a class = "code hl_variable" href = "structAaruHeaderV2.html#a4ec4b1d593f5a0af19f6d7b8eaeada40" > indexOffset< / a > > 0)< / div >
< div class = "line" > < a id = "l00740" name = "l00740" > < / a > < span class = "lineno" > 740< / span > {< / div >
< div class = "line" > < a id = "l00741" name = "l00741" > < / a > < span class = "lineno" > 741< / span > uint64_t io = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > header< / a > .< a class = "code hl_variable" href = "structAaruHeaderV2.html#a4ec4b1d593f5a0af19f6d7b8eaeada40" > indexOffset< / a > ;< / div >
< div class = "line" > < a id = "l00742" name = "l00742" > < / a > < span class = "lineno" > 742< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )io, SEEK_SET);< / div >
< div class = "line" > < a id = "l00743" name = "l00743" > < / a > < span class = "lineno" > 743< / span > < a class = "code hl_struct" href = "structIndexHeader3.html" > IndexHeader3< / a > ih;< / div >
< div class = "line" > < a id = "l00744" name = "l00744" > < / a > < span class = "lineno" > 744< / span > < span class = "keywordflow" > if< / span > (fread(& ih, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structIndexHeader3.html" > IndexHeader3< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) == 1)< / div >
< div class = "line" > < a id = "l00745" name = "l00745" > < / a > < span class = "lineno" > 745< / span > {< / div >
< div class = "line" > < a id = "l00746" name = "l00746" > < / a > < span class = "lineno" > 746< / span > uint32_t isz = (uint32_t)(< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structIndexHeader3.html" > IndexHeader3< / a > ) + ih.< a class = "code hl_variable" href = "structIndexHeader3.html#af05fe8e08e929aa0eab6b74638f22b74" > entries< / a > * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structIndexEntry.html" > IndexEntry< / a > ));< / div >
< div class = "line" > < a id = "l00747" name = "l00747" > < / a > < span class = "lineno" > 747< / span > < a class = "code hl_function" href = "erasure_8c.html#aed80b4dc1f360dbac00a5f73d350bf1a" > ec_write_batch_parity< / a > (ctx, & io, & isz, 1, < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03ea85486aa10ff27c8196e2f063b097679e" > kECGroupIndex< / a > , < a class = "code hl_enumvalue" href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a5069a00563fe1a94724c8f15f463419d" > kDataTypeErasureParityIndex< / a > , & idx_desc, & idx_desc_len, & idx_group);< / div >
< div class = "line" > < a id = "l00748" name = "l00748" > < / a > < span class = "lineno" > 748< / span > }< / div >
< div class = "line" > < a id = "l00749" name = "l00749" > < / a > < span class = "lineno" > 749< / span > }< / div >
< div class = "line" > < a id = "l00750" name = "l00750" > < / a > < span class = "lineno" > 750< / span > < / div >
< div class = "line" > < a id = "l00751" name = "l00751" > < / a > < span class = "lineno" > 751< / span > < span class = "comment" > /* --- Build ECMB with all groups --- */< / span > < / div >
< div class = "line" > < a id = "l00752" name = "l00752" > < / a > < span class = "lineno" > 752< / span > uint8_t group_count = 1; < span class = "comment" > /* data always present */< / span > < / div >
< div class = "line" > < a id = "l00753" name = "l00753" > < / a > < span class = "lineno" > 753< / span > < span class = "keywordflow" > if< / span > (ddt_sec_desc) group_count++;< / div >
< div class = "line" > < a id = "l00754" name = "l00754" > < / a > < span class = "lineno" > 754< / span > < span class = "keywordflow" > if< / span > (ddt_pri_desc) group_count++;< / div >
< div class = "line" > < a id = "l00755" name = "l00755" > < / a > < span class = "lineno" > 755< / span > < span class = "keywordflow" > if< / span > (meta_desc) group_count++;< / div >
< div class = "line" > < a id = "l00756" name = "l00756" > < / a > < span class = "lineno" > 756< / span > < span class = "keywordflow" > if< / span > (idx_desc) group_count++;< / div >
< div class = "line" > < a id = "l00757" name = "l00757" > < / a > < span class = "lineno" > 757< / span > < / div >
< div class = "line" > < a id = "l00758" name = "l00758" > < / a > < span class = "lineno" > 758< / span > < span class = "keywordtype" > size_t< / span > payload_len = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ) + data_stripe_data_len;< / div >
< div class = "line" > < a id = "l00759" name = "l00759" > < / a > < span class = "lineno" > 759< / span > < span class = "keywordflow" > if< / span > (ddt_sec_desc) payload_len += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ) + ddt_sec_desc_len;< / div >
< div class = "line" > < a id = "l00760" name = "l00760" > < / a > < span class = "lineno" > 760< / span > < span class = "keywordflow" > if< / span > (ddt_pri_desc) payload_len += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ) + ddt_pri_desc_len;< / div >
< div class = "line" > < a id = "l00761" name = "l00761" > < / a > < span class = "lineno" > 761< / span > < span class = "keywordflow" > if< / span > (meta_desc) payload_len += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ) + meta_desc_len;< / div >
< div class = "line" > < a id = "l00762" name = "l00762" > < / a > < span class = "lineno" > 762< / span > < span class = "keywordflow" > if< / span > (idx_desc) payload_len += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ) + idx_desc_len;< / div >
< div class = "line" > < a id = "l00763" name = "l00763" > < / a > < span class = "lineno" > 763< / span > < / div >
< div class = "line" > < a id = "l00764" name = "l00764" > < / a > < span class = "lineno" > 764< / span > uint8_t *payload = (uint8_t *)malloc(payload_len);< / div >
< div class = "line" > < a id = "l00765" name = "l00765" > < / a > < span class = "lineno" > 765< / span > < span class = "keywordflow" > if< / span > (!payload) { free(ddt_sec_desc); free(ddt_pri_desc); free(meta_desc); free(idx_desc); < span class = "keywordflow" > return< / span > ; }< / div >
< div class = "line" > < a id = "l00766" name = "l00766" > < / a > < span class = "lineno" > 766< / span > < / div >
< div class = "line" > < a id = "l00767" name = "l00767" > < / a > < span class = "lineno" > 767< / span > uint8_t *wp = payload;< / div >
< div class = "line" > < a id = "l00768" name = "l00768" > < / a > < span class = "lineno" > 768< / span > < span class = "comment" > /* Data group */< / span > < / div >
< div class = "line" > < a id = "l00769" name = "l00769" > < / a > < span class = "lineno" > 769< / span > memcpy(wp, & data_group, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > )); wp += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > );< / div >
< div class = "line" > < a id = "l00770" name = "l00770" > < / a > < span class = "lineno" > 770< / span > < span class = "keywordflow" > if< / span > (data_stripe_data_len > 0) { uint8_t *b = (uint8_t *)utarray_front(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > ); < span class = "keywordflow" > if< / span > (b) { memcpy(wp, b, data_stripe_data_len); wp += data_stripe_data_len; } }< / div >
< div class = "line" > < a id = "l00771" name = "l00771" > < / a > < span class = "lineno" > 771< / span > < / div >
< div class = "line" > < a id = "l00772" name = "l00772" > < / a > < span class = "lineno" > 772< / span > < span class = "preprocessor" > #define WRITE_GROUP(desc, desc_len, grp) \< / span > < / div >
< div class = "line" > < a id = "l00773" name = "l00773" > < / a > < span class = "lineno" > 773< / span > < span class = "preprocessor" > if(desc) { memcpy(wp, & (grp), sizeof(StripeGroupDescriptor)); wp += sizeof(StripeGroupDescriptor); \< / span > < / div >
< div class = "line" > < a id = "l00774" name = "l00774" > < / a > < span class = "lineno" > 774< / span > < span class = "preprocessor" > memcpy(wp, (desc), (desc_len)); wp += (desc_len); }< / span > < / div >
< div class = "line" > < a id = "l00775" name = "l00775" > < / a > < span class = "lineno" > 775< / span > < / div >
< div class = "line" > < a id = "l00776" name = "l00776" > < / a > < span class = "lineno" > 776< / span > < a class = "code hl_define" href = "erasure_8c.html#a415f83d4f5fbce86adcec87aa368313c" > WRITE_GROUP< / a > (ddt_sec_desc, ddt_sec_desc_len, ddt_sec_group)< / div >
< div class = "line" > < a id = "l00777" name = "l00777" > < / a > < span class = "lineno" > 777< / span > < a class = "code hl_define" href = "erasure_8c.html#a415f83d4f5fbce86adcec87aa368313c" > WRITE_GROUP< / a > (ddt_pri_desc, ddt_pri_desc_len, ddt_pri_group)< / div >
< div class = "line" > < a id = "l00778" name = "l00778" > < / a > < span class = "lineno" > 778< / span > < a class = "code hl_define" href = "erasure_8c.html#a415f83d4f5fbce86adcec87aa368313c" > WRITE_GROUP< / a > (meta_desc, meta_desc_len, meta_group)< / div >
< div class = "line" > < a id = "l00779" name = "l00779" > < / a > < span class = "lineno" > 779< / span > < a class = "code hl_define" href = "erasure_8c.html#a415f83d4f5fbce86adcec87aa368313c" > WRITE_GROUP< / a > (idx_desc, idx_desc_len, idx_group)< / div >
< div class = "line" > < a id = "l00780" name = "l00780" > < / a > < span class = "lineno" > 780< / span > < span class = "preprocessor" > #undef WRITE_GROUP< / span > < / div >
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< div class = "line" > < a id = "l00781" name = "l00781" > < / a > < span class = "lineno" > 781< / span > < / div >
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< div class = "line" > < a id = "l00782" name = "l00782" > < / a > < span class = "lineno" > 782< / span > free(ddt_sec_desc); free(ddt_pri_desc); free(meta_desc); free(idx_desc);< / div >
< div class = "line" > < a id = "l00783" name = "l00783" > < / a > < span class = "lineno" > 783< / span > < / div >
< div class = "line" > < a id = "l00784" name = "l00784" > < / a > < span class = "lineno" > 784< / span > uint64_t payload_crc = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (payload, (uint32_t)payload_len);< / div >
< div class = "line" > < a id = "l00785" name = "l00785" > < / a > < span class = "lineno" > 785< / span > < / div >
< div class = "line" > < a id = "l00786" name = "l00786" > < / a > < span class = "lineno" > 786< / span > < a class = "code hl_struct" href = "structErasureCodingMapHeader.html" > ErasureCodingMapHeader< / a > ecmb;< / div >
< div class = "line" > < a id = "l00787" name = "l00787" > < / a > < span class = "lineno" > 787< / span > memset(& ecmb, 0, < span class = "keyword" > sizeof< / span > (ecmb));< / div >
< div class = "line" > < a id = "l00788" name = "l00788" > < / a > < span class = "lineno" > 788< / span > ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ac1cce17abac0be6beccb121d7a3b24b2" > identifier< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3af9f5bd022e035b2a787279913a85cf19" > ErasureCodingMapBlock< / a > ; ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a174d1be87a00bda3012715de76423ec4" > algorithm< / a > = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a25448606ea0870a817f4a2b6c94f7698" > ec_algorithm< / a > ;< / div >
< div class = "line" > < a id = "l00789" name = "l00789" > < / a > < span class = "lineno" > 789< / span > ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#accae80e978eeccc7c026eb5ade721aae" > stripeGroupCount< / a > = group_count; ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#aaf860b67807c5bf871e52ae617a076ae" > compression< / a > = < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > kCompressionNone< / a > ;< / div >
< div class = "line" > < a id = "l00790" name = "l00790" > < / a > < span class = "lineno" > 790< / span > ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > = payload_len; ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a2aa7763da110a8e7550e61bd6110f83d" > cmpLength< / a > = payload_len;< / div >
< div class = "line" > < a id = "l00791" name = "l00791" > < / a > < span class = "lineno" > 791< / span > ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#aa883d1e565b1856a7a16b2fcf8ee8b7d" > crc64< / a > = payload_crc; ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#aa686c5c90093d0ba86657c1f15f64a2d" > cmpCrc64< / a > = payload_crc;< / div >
< div class = "line" > < a id = "l00792" name = "l00792" > < / a > < span class = "lineno" > 792< / span > < / div >
< div class = "line" > < a id = "l00793" name = "l00793" > < / a > < span class = "lineno" > 793< / span > uint64_t alignment_mask = (1ULL < < ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a04c5fb367458a6e9dd0a50b39f6edec2" > user_data_ddt_header< / a > .< a class = "code hl_variable" href = "structDdtHeader2.html#aa67b097c3a20f926ede495d27152f1c0" > blockAlignmentShift< / a > ) - 1;< / div >
< div class = "line" > < a id = "l00794" name = "l00794" > < / a > < span class = "lineno" > 794< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , 0, SEEK_END);< / div >
< div class = "line" > < a id = "l00795" name = "l00795" > < / a > < span class = "lineno" > 795< / span > uint64_t ecmb_offset = ((uint64_t)< a class = "code hl_function" href = "internal_8h.html#a697ee4ab2c7adc710e56b0ef868596d7" > aaruf_ftell< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) + alignment_mask) & ~alignment_mask;< / div >
< div class = "line" > < a id = "l00796" name = "l00796" > < / a > < span class = "lineno" > 796< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )ecmb_offset, SEEK_SET);< / div >
< div class = "line" > < a id = "l00797" name = "l00797" > < / a > < span class = "lineno" > 797< / span > fwrite(& ecmb, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structErasureCodingMapHeader.html" > ErasureCodingMapHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00798" name = "l00798" > < / a > < span class = "lineno" > 798< / span > fwrite(payload, payload_len, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00799" name = "l00799" > < / a > < span class = "lineno" > 799< / span > uint64_t ecmb_total = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structErasureCodingMapHeader.html" > ErasureCodingMapHeader< / a > ) + payload_len;< / div >
< div class = "line" > < a id = "l00800" name = "l00800" > < / a > < span class = "lineno" > 800< / span > < / div >
< div class = "line" > < a id = "l00801" name = "l00801" > < / a > < span class = "lineno" > 801< / span > < span class = "comment" > /* Duplicate ECMB */< / span > < / div >
< div class = "line" > < a id = "l00802" name = "l00802" > < / a > < span class = "lineno" > 802< / span > uint64_t ecmb2_offset = (ecmb_offset + ecmb_total + alignment_mask) & ~alignment_mask;< / div >
< div class = "line" > < a id = "l00803" name = "l00803" > < / a > < span class = "lineno" > 803< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )ecmb2_offset, SEEK_SET);< / div >
< div class = "line" > < a id = "l00804" name = "l00804" > < / a > < span class = "lineno" > 804< / span > fwrite(& ecmb, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structErasureCodingMapHeader.html" > ErasureCodingMapHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00805" name = "l00805" > < / a > < span class = "lineno" > 805< / span > fwrite(payload, payload_len, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00806" name = "l00806" > < / a > < span class = "lineno" > 806< / span > free(payload);< / div >
< div class = "line" > < a id = "l00807" name = "l00807" > < / a > < span class = "lineno" > 807< / span > < / div >
< div class = "line" > < a id = "l00808" name = "l00808" > < / a > < span class = "lineno" > 808< / span > < span class = "comment" > /* Recovery footer */< / span > < / div >
< div class = "line" > < a id = "l00809" name = "l00809" > < / a > < span class = "lineno" > 809< / span > < a class = "code hl_struct" href = "structAaruRecoveryFooter.html" > AaruRecoveryFooter< / a > footer;< / div >
< div class = "line" > < a id = "l00810" name = "l00810" > < / a > < span class = "lineno" > 810< / span > memset(& footer, 0, < span class = "keyword" > sizeof< / span > (footer));< / div >
< div class = "line" > < a id = "l00811" name = "l00811" > < / a > < span class = "lineno" > 811< / span > footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#a67e4601f7be9a5f7e84cb3adfb98e68a" > ecmbOffset< / a > = ecmb_offset; footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#ad3f4ad3842317379eea5ad1bd3335482" > ecmbLength< / a > = ecmb_total;< / div >
< div class = "line" > < a id = "l00812" name = "l00812" > < / a > < span class = "lineno" > 812< / span > footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#a2a0e7425f369422c197cda6b4ff56033" > headerCrc64< / a > = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > ((< span class = "keyword" > const< / span > uint8_t *)& ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > header< / a > , < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structAaruHeaderV2.html" > AaruHeaderV2< / a > ));< / div >
< div class = "line" > < a id = "l00813" name = "l00813" > < / a > < span class = "lineno" > 813< / span > memcpy(& footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#afd53d818d8d4f4c23e4483bfea1701f5" > backupHeader< / a > , & ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > header< / a > , < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structAaruHeaderV2.html" > AaruHeaderV2< / a > ));< / div >
< div class = "line" > < a id = "l00814" name = "l00814" > < / a > < span class = "lineno" > 814< / span > footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#a8d65cec53b91b52d2bafb7e76eef818a" > footerMagic< / a > = < a class = "code hl_define" href = "consts_8h.html#a1d7434dbf5927484a6d767b8a27c3cd4" > AARU_RECOVERY_FOOTER_MAGIC< / a > ;< / div >
< div class = "line" > < a id = "l00815" name = "l00815" > < / a > < span class = "lineno" > 815< / span > < / div >
< div class = "line" > < a id = "l00816" name = "l00816" > < / a > < span class = "lineno" > 816< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , 0, SEEK_END);< / div >
< div class = "line" > < a id = "l00817" name = "l00817" > < / a > < span class = "lineno" > 817< / span > fwrite(& footer, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structAaruRecoveryFooter.html" > AaruRecoveryFooter< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l00818" name = "l00818" > < / a > < span class = "lineno" > 818< / span > < / div >
< div class = "line" > < a id = "l00819" name = "l00819" > < / a > < span class = "lineno" > 819< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Wrote ECMB at offset %" < / span > PRIu64 < span class = "stringliteral" > " (%u groups, %" < / span > PRIu64 < span class = "stringliteral" > " bytes), footer at EOF" < / span > ,< / div >
< div class = "line" > < a id = "l00820" name = "l00820" > < / a > < span class = "lineno" > 820< / span > ecmb_offset, group_count, ecmb_total);< / div >
< div class = "line" > < a id = "l00821" name = "l00821" > < / a > < span class = "lineno" > 821< / span > }< / div >
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< / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l00822" name = "l00822" > < / a > < span class = "lineno" > 822< / span > < / div >
< div class = "line" > < a id = "l00823" name = "l00823" > < / a > < span class = "lineno" > 823< / span > < span class = "comment" > /* =========================================================================< / span > < / div >
< div class = "line" > < a id = "l00824" name = "l00824" > < / a > < span class = "lineno" > 824< / span > < span class = "comment" > * Generic block recovery (any group)< / span > < / div >
< div class = "line" > < a id = "l00825" name = "l00825" > < / a > < span class = "lineno" > 825< / span > < span class = "comment" > * ========================================================================= */< / span > < / div >
< div class = "line" > < a id = "l00826" name = "l00826" > < / a > < span class = "lineno" > 826< / span > < / div >
< div class = "foldopen" id = "foldopen00827" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00827" name = "l00827" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#af7d7ad06ff421cd43197434e2999f2d7" > 827< / a > < / span > int32_t < a class = "code hl_function" href = "erasure__internal_8h.html#af7d7ad06ff421cd43197434e2999f2d7" > ec_recover_raw_block< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, uint64_t block_offset,< / div >
< div class = "line" > < a id = "l00828" name = "l00828" > < / a > < span class = "lineno" > 828< / span > uint8_t **recovered_data, uint32_t *recovered_size,< / div >
< div class = "line" > < a id = "l00829" name = "l00829" > < / a > < span class = "lineno" > 829< / span > < span class = "keywordtype" > void< / span > *stripes_ptr, uint32_t stripe_count, < span class = "keywordtype" > void< / span > *lookup_ptr,< / div >
< div class = "line" > < a id = "l00830" name = "l00830" > < / a > < span class = "lineno" > 830< / span > uint16_t group_K, uint16_t group_M, uint32_t group_shard_size)< / div >
< div class = "line" > < a id = "l00831" name = "l00831" > < / a > < span class = "lineno" > 831< / span > {< / div >
< div class = "line" > < a id = "l00832" name = "l00832" > < / a > < span class = "lineno" > 832< / span > *recovered_data = NULL;< / div >
< div class = "line" > < a id = "l00833" name = "l00833" > < / a > < span class = "lineno" > 833< / span > *recovered_size = 0;< / div >
< div class = "line" > < a id = "l00834" name = "l00834" > < / a > < span class = "lineno" > 834< / span > < / div >
< div class = "line" > < a id = "l00835" name = "l00835" > < / a > < span class = "lineno" > 835< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#af7b4e0a80f76581b0cb1440d9a689f0f" > ec_recovery_available< / a > || ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > ) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a67753dacbd0ffdd397e563a8a5ecd271" > AARUF_ERROR_CANNOT_READ_BLOCK< / a > ;< / div >
< div class = "line" > < a id = "l00836" name = "l00836" > < / a > < span class = "lineno" > 836< / span > < / div >
< div class = "line" > < a id = "l00837" name = "l00837" > < / a > < span class = "lineno" > 837< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *le = NULL;< / div >
< div class = "line" > < a id = "l00838" name = "l00838" > < / a > < span class = "lineno" > 838< / span > HASH_FIND(hh, (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)lookup_ptr, & block_offset, < span class = "keyword" > sizeof< / span > (uint64_t), le);< / div >
< div class = "line" > < a id = "l00839" name = "l00839" > < / a > < span class = "lineno" > 839< / span > < span class = "keywordflow" > if< / span > (!le) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a67753dacbd0ffdd397e563a8a5ecd271" > AARUF_ERROR_CANNOT_READ_BLOCK< / a > ;< / div >
< div class = "line" > < a id = "l00840" name = "l00840" > < / a > < span class = "lineno" > 840< / span > < / div >
< div class = "line" > < a id = "l00841" name = "l00841" > < / a > < span class = "lineno" > 841< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00842" name = "l00842" > < / a > < span class = "lineno" > 842< / span > < / div >
< div class = "line" > < a id = "l00843" name = "l00843" > < / a > < span class = "lineno" > 843< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *stripes = (< a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *)stripes_ptr;< / div >
< div class = "line" > < a id = "l00844" name = "l00844" > < / a > < span class = "lineno" > 844< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *stripe = & stripes[le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > stripe_index< / a > ];< / div >
< div class = "line" > < a id = "l00845" name = "l00845" > < / a > < span class = "lineno" > 845< / span > uint16_t total_shards = group_K + group_M;< / div >
< div class = "line" > < a id = "l00846" name = "l00846" > < / a > < span class = "lineno" > 846< / span > < / div >
< div class = "line" > < a id = "l00847" name = "l00847" > < / a > < span class = "lineno" > 847< / span > uint8_t **shards = (uint8_t **)calloc(total_shards, < span class = "keyword" > sizeof< / span > (uint8_t *));< / div >
< div class = "line" > < a id = "l00848" name = "l00848" > < / a > < span class = "lineno" > 848< / span > uint8_t *present = (uint8_t *)calloc(total_shards, 1);< / div >
< div class = "line" > < a id = "l00849" name = "l00849" > < / a > < span class = "lineno" > 849< / span > < span class = "keywordflow" > if< / span > (!shards || !present) { free(shards); free(present); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ; < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ; }< / div >
< div class = "line" > < a id = "l00850" name = "l00850" > < / a > < span class = "lineno" > 850< / span > < / div >
< div class = "line" > < a id = "l00851" name = "l00851" > < / a > < span class = "lineno" > 851< / span > < span class = "keywordflow" > for< / span > (uint16_t i = 0; i < total_shards; i++)< / div >
< div class = "line" > < a id = "l00852" name = "l00852" > < / a > < span class = "lineno" > 852< / span > {< / div >
< div class = "line" > < a id = "l00853" name = "l00853" > < / a > < span class = "lineno" > 853< / span > shards[i] = (uint8_t *)calloc(1, group_shard_size);< / div >
< div class = "line" > < a id = "l00854" name = "l00854" > < / a > < span class = "lineno" > 854< / span > < span class = "keywordflow" > if< / span > (!shards[i]) { < span class = "keywordflow" > for< / span > (uint16_t j = 0; j < i; j++) free(shards[j]); free(shards); free(present); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ; < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ; }< / div >
< div class = "line" > < a id = "l00855" name = "l00855" > < / a > < span class = "lineno" > 855< / span > }< / div >
< div class = "line" > < a id = "l00856" name = "l00856" > < / a > < span class = "lineno" > 856< / span > < / div >
< div class = "line" > < a id = "l00857" name = "l00857" > < / a > < span class = "lineno" > 857< / span > < span class = "comment" > /* Read data shards, verify CRC */< / span > < / div >
< div class = "line" > < a id = "l00858" name = "l00858" > < / a > < span class = "lineno" > 858< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > ; k++)< / div >
< div class = "line" > < a id = "l00859" name = "l00859" > < / a > < span class = "lineno" > 859< / span > {< / div >
< div class = "line" > < a id = "l00860" name = "l00860" > < / a > < span class = "lineno" > 860< / span > < a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > *de = & stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > [k];< / div >
< div class = "line" > < a id = "l00861" name = "l00861" > < / a > < span class = "lineno" > 861< / span > uint32_t read_size = de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > > group_shard_size ? group_shard_size : de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > ;< / div >
< div class = "line" > < a id = "l00862" name = "l00862" > < / a > < span class = "lineno" > 862< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > offset< / a > , SEEK_SET);< / div >
< div class = "line" > < a id = "l00863" name = "l00863" > < / a > < span class = "lineno" > 863< / span > < span class = "keywordflow" > if< / span > (fread(shards[k], read_size, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1) { present[k] = 0; < span class = "keywordflow" > continue< / span > ; }< / div >
< div class = "line" > < a id = "l00864" name = "l00864" > < / a > < span class = "lineno" > 864< / span > uint64_t crc = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (shards[k], de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > );< / div >
< div class = "line" > < a id = "l00865" name = "l00865" > < / a > < span class = "lineno" > 865< / span > present[k] = (crc == de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#af85494afc772fe1469927c826e24a1b2" > shardCrc64< / a > ) ? 1 : 0;< / div >
< div class = "line" > < a id = "l00866" name = "l00866" > < / a > < span class = "lineno" > 866< / span > }< / div >
< div class = "line" > < a id = "l00867" name = "l00867" > < / a > < span class = "lineno" > 867< / span > < / div >
< div class = "line" > < a id = "l00868" name = "l00868" > < / a > < span class = "lineno" > 868< / span > < span class = "keywordflow" > for< / span > (uint16_t k = stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > ; k < group_K; k++)< / div >
< div class = "line" > < a id = "l00869" name = "l00869" > < / a > < span class = "lineno" > 869< / span > present[k] = 1;< / div >
< div class = "line" > < a id = "l00870" name = "l00870" > < / a > < span class = "lineno" > 870< / span > < / div >
< div class = "line" > < a id = "l00871" name = "l00871" > < / a > < span class = "lineno" > 871< / span > < span class = "comment" > /* Read parity shards */< / span > < / div >
< div class = "line" > < a id = "l00872" name = "l00872" > < / a > < span class = "lineno" > 872< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < group_M; m++)< / div >
< div class = "line" > < a id = "l00873" name = "l00873" > < / a > < span class = "lineno" > 873< / span > {< / div >
< div class = "line" > < a id = "l00874" name = "l00874" > < / a > < span class = "lineno" > 874< / span > uint16_t si = group_K + m;< / div >
< div class = "line" > < a id = "l00875" name = "l00875" > < / a > < span class = "lineno" > 875< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#ac88d41411a685f4b7fbecb69d179ec3f" > parity_offsets< / a > [m], SEEK_SET);< / div >
< div class = "line" > < a id = "l00876" name = "l00876" > < / a > < span class = "lineno" > 876< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ph;< / div >
< div class = "line" > < a id = "l00877" name = "l00877" > < / a > < span class = "lineno" > 877< / span > < span class = "keywordflow" > if< / span > (fread(& ph, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1) { present[si] = 0; < span class = "keywordflow" > continue< / span > ; }< / div >
< div class = "line" > < a id = "l00878" name = "l00878" > < / a > < span class = "lineno" > 878< / span > uint32_t to_read = ph.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > > group_shard_size ? group_shard_size : ph.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > ;< / div >
< div class = "line" > < a id = "l00879" name = "l00879" > < / a > < span class = "lineno" > 879< / span > < span class = "keywordflow" > if< / span > (fread(shards[si], to_read, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1) { present[si] = 0; < span class = "keywordflow" > continue< / span > ; }< / div >
< div class = "line" > < a id = "l00880" name = "l00880" > < / a > < span class = "lineno" > 880< / span > present[si] = 1;< / div >
< div class = "line" > < a id = "l00881" name = "l00881" > < / a > < span class = "lineno" > 881< / span > }< / div >
< div class = "line" > < a id = "l00882" name = "l00882" > < / a > < span class = "lineno" > 882< / span > < / div >
< div class = "line" > < a id = "l00883" name = "l00883" > < / a > < span class = "lineno" > 883< / span > < a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *rs = < a class = "code hl_function" href = "reed__solomon_8c.html#a68a7b13ef6443640abc2818a3bd7d5bf" > rs_create< / a > (group_K, group_M);< / div >
< div class = "line" > < a id = "l00884" name = "l00884" > < / a > < span class = "lineno" > 884< / span > < span class = "keywordflow" > if< / span > (!rs) { < span class = "keywordflow" > for< / span > (uint16_t i = 0; i < total_shards; i++) free(shards[i]); free(shards); free(present); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ; < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ; }< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l00885" name = "l00885" > < / a > < span class = "lineno" > 885< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l00886" name = "l00886" > < / a > < span class = "lineno" > 886< / span > < span class = "keywordtype" > int< / span > rc = < a class = "code hl_function" href = "reed__solomon_8c.html#aea0122b72cfa6f77a4751d5466e73024" > rs_decode< / a > (rs, shards, present, group_shard_size);< / div >
< div class = "line" > < a id = "l00887" name = "l00887" > < / a > < span class = "lineno" > 887< / span > < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > (rs);< / div >
< div class = "line" > < a id = "l00888" name = "l00888" > < / a > < span class = "lineno" > 888< / span > < / div >
< div class = "line" > < a id = "l00889" name = "l00889" > < / a > < span class = "lineno" > 889< / span > int32_t result = < a class = "code hl_define" href = "errors_8h.html#a67753dacbd0ffdd397e563a8a5ecd271" > AARUF_ERROR_CANNOT_READ_BLOCK< / a > ;< / div >
< div class = "line" > < a id = "l00890" name = "l00890" > < / a > < span class = "lineno" > 890< / span > < span class = "keywordflow" > if< / span > (rc == 0)< / div >
< div class = "line" > < a id = "l00891" name = "l00891" > < / a > < span class = "lineno" > 891< / span > {< / div >
< div class = "line" > < a id = "l00892" name = "l00892" > < / a > < span class = "lineno" > 892< / span > uint16_t pos = le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > position< / a > ;< / div >
< div class = "line" > < a id = "l00893" name = "l00893" > < / a > < span class = "lineno" > 893< / span > uint32_t sz = stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > [pos].< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > ;< / div >
< div class = "line" > < a id = "l00894" name = "l00894" > < / a > < span class = "lineno" > 894< / span > *recovered_data = (uint8_t *)malloc(sz);< / div >
< div class = "line" > < a id = "l00895" name = "l00895" > < / a > < span class = "lineno" > 895< / span > < span class = "keywordflow" > if< / span > (*recovered_data)< / div >
< div class = "line" > < a id = "l00896" name = "l00896" > < / a > < span class = "lineno" > 896< / span > {< / div >
< div class = "line" > < a id = "l00897" name = "l00897" > < / a > < span class = "lineno" > 897< / span > memcpy(*recovered_data, shards[pos], sz);< / div >
< div class = "line" > < a id = "l00898" name = "l00898" > < / a > < span class = "lineno" > 898< / span > *recovered_size = sz;< / div >
< div class = "line" > < a id = "l00899" name = "l00899" > < / a > < span class = "lineno" > 899< / span > result = < a class = "code hl_define" href = "errors_8h.html#a1d6e49f7e8a1fa489efa0a582e90b5de" > AARUF_STATUS_OK< / a > ;< / div >
< div class = "line" > < a id = "l00900" name = "l00900" > < / a > < span class = "lineno" > 900< / span > }< / div >
< div class = "line" > < a id = "l00901" name = "l00901" > < / a > < span class = "lineno" > 901< / span > }< / div >
< div class = "line" > < a id = "l00902" name = "l00902" > < / a > < span class = "lineno" > 902< / span > < / div >
< div class = "line" > < a id = "l00903" name = "l00903" > < / a > < span class = "lineno" > 903< / span > < span class = "keywordflow" > for< / span > (uint16_t i = 0; i < total_shards; i++) free(shards[i]);< / div >
< div class = "line" > < a id = "l00904" name = "l00904" > < / a > < span class = "lineno" > 904< / span > free(shards); free(present);< / div >
< div class = "line" > < a id = "l00905" name = "l00905" > < / a > < span class = "lineno" > 905< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00906" name = "l00906" > < / a > < span class = "lineno" > 906< / span > < span class = "keywordflow" > return< / span > result;< / div >
< div class = "line" > < a id = "l00907" name = "l00907" > < / a > < span class = "lineno" > 907< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00908" name = "l00908" > < / a > < span class = "lineno" > 908< / span > < / div >
< div class = "foldopen" id = "foldopen00909" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00909" name = "l00909" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#aa17442a11d3d3ef4b51b5129eed19b45" > 909< / a > < / span > int32_t < a class = "code hl_function" href = "erasure__internal_8h.html#aa17442a11d3d3ef4b51b5129eed19b45" > ec_recover_meta_block< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, uint64_t block_offset,< / div >
< div class = "line" > < a id = "l00910" name = "l00910" > < / a > < span class = "lineno" > 910< / span > uint8_t **recovered_data, uint32_t *recovered_size)< / div >
< div class = "line" > < a id = "l00911" name = "l00911" > < / a > < span class = "lineno" > 911< / span > {< / div >
< div class = "line" > < a id = "l00912" name = "l00912" > < / a > < span class = "lineno" > 912< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > ec_meta_stripes< / a > || ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a2383c8f3fdc082ce690a7fcfc9b7df7f" > ec_meta_stripe_count< / a > == 0) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a67753dacbd0ffdd397e563a8a5ecd271" > AARUF_ERROR_CANNOT_READ_BLOCK< / a > ;< / div >
< div class = "line" > < a id = "l00913" name = "l00913" > < / a > < span class = "lineno" > 913< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#af7d7ad06ff421cd43197434e2999f2d7" > ec_recover_raw_block< / a > (ctx, block_offset, recovered_data, recovered_size,< / div >
< div class = "line" > < a id = "l00914" name = "l00914" > < / a > < span class = "lineno" > 914< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > ec_meta_stripes< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a2383c8f3fdc082ce690a7fcfc9b7df7f" > ec_meta_stripe_count< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab573ee68bfe1c6eecfe42a7d28fdc458" > ec_meta_block_lookup< / a > ,< / div >
< div class = "line" > < a id = "l00915" name = "l00915" > < / a > < span class = "lineno" > 915< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ae4d4729f684e901b5c1b5b07ce43bcad" > ec_meta_K< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a853faa6ad76bbed813479ad1d16b3f87" > ec_meta_M< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5dcdc3c79abfc4eb97ba75d98f27edf1" > ec_meta_shard_size< / a > );< / div >
< div class = "line" > < a id = "l00916" name = "l00916" > < / a > < span class = "lineno" > 916< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00917" name = "l00917" > < / a > < span class = "lineno" > 917< / span > < / div >
< div class = "foldopen" id = "foldopen00918" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00918" name = "l00918" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#a41514b5f6f31a9a2207f2807da831e26" > 918< / a > < / span > int32_t < a class = "code hl_function" href = "erasure__internal_8h.html#a41514b5f6f31a9a2207f2807da831e26" > ec_recover_ddt_block< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, uint64_t block_offset,< / div >
< div class = "line" > < a id = "l00919" name = "l00919" > < / a > < span class = "lineno" > 919< / span > uint8_t **recovered_data, uint32_t *recovered_size)< / div >
< div class = "line" > < a id = "l00920" name = "l00920" > < / a > < span class = "lineno" > 920< / span > {< / div >
< div class = "line" > < a id = "l00921" name = "l00921" > < / a > < span class = "lineno" > 921< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab37d2e5f32f48457696cea146a5b2caa" > ec_ddt_stripes< / a > || ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a45cab62842ddc9983ea6640ff9002fba" > ec_ddt_stripe_count< / a > == 0) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a67753dacbd0ffdd397e563a8a5ecd271" > AARUF_ERROR_CANNOT_READ_BLOCK< / a > ;< / div >
< div class = "line" > < a id = "l00922" name = "l00922" > < / a > < span class = "lineno" > 922< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#af7d7ad06ff421cd43197434e2999f2d7" > ec_recover_raw_block< / a > (ctx, block_offset, recovered_data, recovered_size,< / div >
< div class = "line" > < a id = "l00923" name = "l00923" > < / a > < span class = "lineno" > 923< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab37d2e5f32f48457696cea146a5b2caa" > ec_ddt_stripes< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a45cab62842ddc9983ea6640ff9002fba" > ec_ddt_stripe_count< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5e4e2fa0c0cdd1c44c8d319ca238a41f" > ec_ddt_block_lookup< / a > ,< / div >
< div class = "line" > < a id = "l00924" name = "l00924" > < / a > < span class = "lineno" > 924< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac44480e69731f9f6de04ef2bea5671b5" > ec_ddt_K< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a725f855ca8c500abb109e015429b7cde" > ec_ddt_M< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac029d7423bbe5c8e94ec36430d549a2e" > ec_ddt_shard_size< / a > );< / div >
< div class = "line" > < a id = "l00925" name = "l00925" > < / a > < span class = "lineno" > 925< / span > }< / div >
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< / div >
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< div class = "line" > < a id = "l00926" name = "l00926" > < / a > < span class = "lineno" > 926< / span > < / div >
< div class = "foldopen" id = "foldopen00934" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00934" name = "l00934" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#ae5fe558b49013df6e932278061a2ab53" > 934< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#ae5fe558b49013df6e932278061a2ab53" > ec_free< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx)< / div >
< div class = "line" > < a id = "l00935" name = "l00935" > < / a > < span class = "lineno" > 935< / span > {< / div >
< div class = "line" > < a id = "l00936" name = "l00936" > < / a > < span class = "lineno" > 936< / span > < span class = "comment" > /* The Reed-Solomon context is used by both the write and the read paths */< / span > < / div >
< div class = "line" > < a id = "l00937" name = "l00937" > < / a > < span class = "lineno" > 937< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > )< / div >
< div class = "line" > < a id = "l00938" name = "l00938" > < / a > < span class = "lineno" > 938< / span > {< / div >
< div class = "line" > < a id = "l00939" name = "l00939" > < / a > < span class = "lineno" > 939< / span > < a class = "code hl_function" href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > ((< a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > );< / div >
< div class = "line" > < a id = "l00940" name = "l00940" > < / a > < span class = "lineno" > 940< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > = NULL;< / div >
< div class = "line" > < a id = "l00941" name = "l00941" > < / a > < span class = "lineno" > 941< / span > }< / div >
< div class = "line" > < a id = "l00942" name = "l00942" > < / a > < span class = "lineno" > 942< / span > < / div >
< div class = "line" > < a id = "l00943" name = "l00943" > < / a > < span class = "lineno" > 943< / span > < span class = "comment" > /* Free write-path state, only present when erasure coding was enabled for writing */< / span > < / div >
< div class = "line" > < a id = "l00944" name = "l00944" > < / a > < span class = "lineno" > 944< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac08b99bdbcd7a208e6893d59f0e02a17" > ec_enabled< / a > )< / div >
< div class = "line" > < a id = "l00945" name = "l00945" > < / a > < span class = "lineno" > 945< / span > {< / div >
< div class = "line" > < a id = "l00946" name = "l00946" > < / a > < span class = "lineno" > 946< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > )< / div >
< div class = "line" > < a id = "l00947" name = "l00947" > < / a > < span class = "lineno" > 947< / span > {< / div >
< div class = "line" > < a id = "l00948" name = "l00948" > < / a > < span class = "lineno" > 948< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < (uint32_t)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > * ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > ; i++)< / div >
< div class = "line" > < a id = "l00949" name = "l00949" > < / a > < span class = "lineno" > 949< / span > free(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > [i]);< / div >
< div class = "line" > < a id = "l00950" name = "l00950" > < / a > < span class = "lineno" > 950< / span > free(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > );< / div >
< div class = "line" > < a id = "l00951" name = "l00951" > < / a > < span class = "lineno" > 951< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > ec_data_parity< / a > = NULL;< / div >
< div class = "line" > < a id = "l00952" name = "l00952" > < / a > < span class = "lineno" > 952< / span > }< / div >
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< div class = "line" > < a id = "l00953" name = "l00953" > < / a > < span class = "lineno" > 953< / span > < / div >
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< div class = "line" > < a id = "l00954" name = "l00954" > < / a > < span class = "lineno" > 954< / span > free(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9a68ea472d082df95246171eaab070d0" > ec_data_block_offsets< / a > ); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9a68ea472d082df95246171eaab070d0" > ec_data_block_offsets< / a > = NULL;< / div >
< div class = "line" > < a id = "l00955" name = "l00955" > < / a > < span class = "lineno" > 955< / span > free(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > ); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > ec_data_block_sizes< / a > = NULL;< / div >
< div class = "line" > < a id = "l00956" name = "l00956" > < / a > < span class = "lineno" > 956< / span > free(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0306814ea46f136a21ffdbf5504744d2" > ec_data_shard_crcs< / a > ); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a0306814ea46f136a21ffdbf5504744d2" > ec_data_shard_crcs< / a > = NULL;< / div >
< div class = "line" > < a id = "l00957" name = "l00957" > < / a > < span class = "lineno" > 957< / span > free(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > ); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > ec_data_stripe_counts< / a > = NULL;< / div >
< div class = "line" > < a id = "l00958" name = "l00958" > < / a > < span class = "lineno" > 958< / span > < / div >
< div class = "line" > < a id = "l00959" name = "l00959" > < / a > < span class = "lineno" > 959< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > )< / div >
< div class = "line" > < a id = "l00960" name = "l00960" > < / a > < span class = "lineno" > 960< / span > {< / div >
< div class = "line" > < a id = "l00961" name = "l00961" > < / a > < span class = "lineno" > 961< / span > utarray_free(ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > );< / div >
< div class = "line" > < a id = "l00962" name = "l00962" > < / a > < span class = "lineno" > 962< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > ec_data_stripes< / a > = NULL;< / div >
< div class = "line" > < a id = "l00963" name = "l00963" > < / a > < span class = "lineno" > 963< / span > }< / div >
< div class = "line" > < a id = "l00964" name = "l00964" > < / a > < span class = "lineno" > 964< / span > < / div >
< div class = "line" > < a id = "l00965" name = "l00965" > < / a > < span class = "lineno" > 965< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac08b99bdbcd7a208e6893d59f0e02a17" > ec_enabled< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00966" name = "l00966" > < / a > < span class = "lineno" > 966< / span > }< / div >
< div class = "line" > < a id = "l00967" name = "l00967" > < / a > < span class = "lineno" > 967< / span > < / div >
< div class = "line" > < a id = "l00968" name = "l00968" > < / a > < span class = "lineno" > 968< / span > < span class = "comment" > /* Free read-path state */< / span > < / div >
< div class = "line" > < a id = "l00969" name = "l00969" > < / a > < span class = "lineno" > 969< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aad3acc958f1b3e63fdeacfd349aff736" > ec_read_stripes< / a > )< / div >
< div class = "line" > < a id = "l00970" name = "l00970" > < / a > < span class = "lineno" > 970< / span > {< / div >
< div class = "line" > < a id = "l00971" name = "l00971" > < / a > < span class = "lineno" > 971< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *stripes = (< a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aad3acc958f1b3e63fdeacfd349aff736" > ec_read_stripes< / a > ;< / div >
< div class = "line" > < a id = "l00972" name = "l00972" > < / a > < span class = "lineno" > 972< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3e230f326ef10eae2a496ca4532c8143" > ec_read_stripe_count< / a > ; i++)< / div >
< div class = "line" > < a id = "l00973" name = "l00973" > < / a > < span class = "lineno" > 973< / span > {< / div >
< div class = "line" > < a id = "l00974" name = "l00974" > < / a > < span class = "lineno" > 974< / span > free(stripes[i].data_entries);< / div >
< div class = "line" > < a id = "l00975" name = "l00975" > < / a > < span class = "lineno" > 975< / span > free(stripes[i].parity_offsets);< / div >
< div class = "line" > < a id = "l00976" name = "l00976" > < / a > < span class = "lineno" > 976< / span > }< / div >
< div class = "line" > < a id = "l00977" name = "l00977" > < / a > < span class = "lineno" > 977< / span > free(stripes);< / div >
< div class = "line" > < a id = "l00978" name = "l00978" > < / a > < span class = "lineno" > 978< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aad3acc958f1b3e63fdeacfd349aff736" > ec_read_stripes< / a > = NULL;< / div >
< div class = "line" > < a id = "l00979" name = "l00979" > < / a > < span class = "lineno" > 979< / span > }< / div >
< div class = "line" > < a id = "l00980" name = "l00980" > < / a > < span class = "lineno" > 980< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3e230f326ef10eae2a496ca4532c8143" > ec_read_stripe_count< / a > = 0;< / div >
< div class = "line" > < a id = "l00981" name = "l00981" > < / a > < span class = "lineno" > 981< / span > < / div >
< div class = "line" > < a id = "l00982" name = "l00982" > < / a > < span class = "lineno" > 982< / span > < span class = "comment" > /* Free block lookup hashmap */< / span > < / div >
< div class = "line" > < a id = "l00983" name = "l00983" > < / a > < span class = "lineno" > 983< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aafe10b9028dcb7a53c5b05b8db2b2ba8" > ec_block_lookup< / a > )< / div >
< div class = "line" > < a id = "l00984" name = "l00984" > < / a > < span class = "lineno" > 984< / span > {< / div >
< div class = "line" > < a id = "l00985" name = "l00985" > < / a > < span class = "lineno" > 985< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *root = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aafe10b9028dcb7a53c5b05b8db2b2ba8" > ec_block_lookup< / a > ;< / div >
< div class = "line" > < a id = "l00986" name = "l00986" > < / a > < span class = "lineno" > 986< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *entry, *tmp;< / div >
< div class = "line" > < a id = "l00987" name = "l00987" > < / a > < span class = "lineno" > 987< / span > HASH_ITER(hh, root, entry, tmp)< / div >
< div class = "line" > < a id = "l00988" name = "l00988" > < / a > < span class = "lineno" > 988< / span > {< / div >
< div class = "line" > < a id = "l00989" name = "l00989" > < / a > < span class = "lineno" > 989< / span > HASH_DEL(root, entry);< / div >
< div class = "line" > < a id = "l00990" name = "l00990" > < / a > < span class = "lineno" > 990< / span > free(entry);< / div >
< div class = "line" > < a id = "l00991" name = "l00991" > < / a > < span class = "lineno" > 991< / span > }< / div >
< div class = "line" > < a id = "l00992" name = "l00992" > < / a > < span class = "lineno" > 992< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aafe10b9028dcb7a53c5b05b8db2b2ba8" > ec_block_lookup< / a > = NULL;< / div >
< div class = "line" > < a id = "l00993" name = "l00993" > < / a > < span class = "lineno" > 993< / span > }< / div >
< div class = "line" > < a id = "l00994" name = "l00994" > < / a > < span class = "lineno" > 994< / span > < / div >
< div class = "line" > < a id = "l00995" name = "l00995" > < / a > < span class = "lineno" > 995< / span > < span class = "comment" > /* Free metadata group read-path state */< / span > < / div >
< div class = "line" > < a id = "l00996" name = "l00996" > < / a > < span class = "lineno" > 996< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > ec_meta_stripes< / a > )< / div >
< div class = "line" > < a id = "l00997" name = "l00997" > < / a > < span class = "lineno" > 997< / span > {< / div >
< div class = "line" > < a id = "l00998" name = "l00998" > < / a > < span class = "lineno" > 998< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *stripes = (< a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > ec_meta_stripes< / a > ;< / div >
< div class = "line" > < a id = "l00999" name = "l00999" > < / a > < span class = "lineno" > 999< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a2383c8f3fdc082ce690a7fcfc9b7df7f" > ec_meta_stripe_count< / a > ; i++)< / div >
< div class = "line" > < a id = "l01000" name = "l01000" > < / a > < span class = "lineno" > 1000< / span > {< / div >
< div class = "line" > < a id = "l01001" name = "l01001" > < / a > < span class = "lineno" > 1001< / span > free(stripes[i].data_entries);< / div >
< div class = "line" > < a id = "l01002" name = "l01002" > < / a > < span class = "lineno" > 1002< / span > free(stripes[i].parity_offsets);< / div >
< div class = "line" > < a id = "l01003" name = "l01003" > < / a > < span class = "lineno" > 1003< / span > }< / div >
< div class = "line" > < a id = "l01004" name = "l01004" > < / a > < span class = "lineno" > 1004< / span > free(stripes);< / div >
< div class = "line" > < a id = "l01005" name = "l01005" > < / a > < span class = "lineno" > 1005< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > ec_meta_stripes< / a > = NULL;< / div >
< div class = "line" > < a id = "l01006" name = "l01006" > < / a > < span class = "lineno" > 1006< / span > }< / div >
< div class = "line" > < a id = "l01007" name = "l01007" > < / a > < span class = "lineno" > 1007< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a2383c8f3fdc082ce690a7fcfc9b7df7f" > ec_meta_stripe_count< / a > = 0;< / div >
< div class = "line" > < a id = "l01008" name = "l01008" > < / a > < span class = "lineno" > 1008< / span > < / div >
< div class = "line" > < a id = "l01009" name = "l01009" > < / a > < span class = "lineno" > 1009< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab573ee68bfe1c6eecfe42a7d28fdc458" > ec_meta_block_lookup< / a > )< / div >
< div class = "line" > < a id = "l01010" name = "l01010" > < / a > < span class = "lineno" > 1010< / span > {< / div >
< div class = "line" > < a id = "l01011" name = "l01011" > < / a > < span class = "lineno" > 1011< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *root = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab573ee68bfe1c6eecfe42a7d28fdc458" > ec_meta_block_lookup< / a > ;< / div >
< div class = "line" > < a id = "l01012" name = "l01012" > < / a > < span class = "lineno" > 1012< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *entry, *tmp;< / div >
< div class = "line" > < a id = "l01013" name = "l01013" > < / a > < span class = "lineno" > 1013< / span > HASH_ITER(hh, root, entry, tmp) { HASH_DEL(root, entry); free(entry); }< / div >
< div class = "line" > < a id = "l01014" name = "l01014" > < / a > < span class = "lineno" > 1014< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab573ee68bfe1c6eecfe42a7d28fdc458" > ec_meta_block_lookup< / a > = NULL;< / div >
< div class = "line" > < a id = "l01015" name = "l01015" > < / a > < span class = "lineno" > 1015< / span > }< / div >
< div class = "line" > < a id = "l01016" name = "l01016" > < / a > < span class = "lineno" > 1016< / span > < / div >
< div class = "line" > < a id = "l01017" name = "l01017" > < / a > < span class = "lineno" > 1017< / span > < span class = "comment" > /* Free DDT-secondary group read-path state */< / span > < / div >
< div class = "line" > < a id = "l01018" name = "l01018" > < / a > < span class = "lineno" > 1018< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab37d2e5f32f48457696cea146a5b2caa" > ec_ddt_stripes< / a > )< / div >
< div class = "line" > < a id = "l01019" name = "l01019" > < / a > < span class = "lineno" > 1019< / span > {< / div >
< div class = "line" > < a id = "l01020" name = "l01020" > < / a > < span class = "lineno" > 1020< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *stripes = (< a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab37d2e5f32f48457696cea146a5b2caa" > ec_ddt_stripes< / a > ;< / div >
< div class = "line" > < a id = "l01021" name = "l01021" > < / a > < span class = "lineno" > 1021< / span > < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a45cab62842ddc9983ea6640ff9002fba" > ec_ddt_stripe_count< / a > ; i++)< / div >
< div class = "line" > < a id = "l01022" name = "l01022" > < / a > < span class = "lineno" > 1022< / span > {< / div >
< div class = "line" > < a id = "l01023" name = "l01023" > < / a > < span class = "lineno" > 1023< / span > free(stripes[i].data_entries);< / div >
< div class = "line" > < a id = "l01024" name = "l01024" > < / a > < span class = "lineno" > 1024< / span > free(stripes[i].parity_offsets);< / div >
< div class = "line" > < a id = "l01025" name = "l01025" > < / a > < span class = "lineno" > 1025< / span > }< / div >
< div class = "line" > < a id = "l01026" name = "l01026" > < / a > < span class = "lineno" > 1026< / span > free(stripes);< / div >
< div class = "line" > < a id = "l01027" name = "l01027" > < / a > < span class = "lineno" > 1027< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab37d2e5f32f48457696cea146a5b2caa" > ec_ddt_stripes< / a > = NULL;< / div >
< div class = "line" > < a id = "l01028" name = "l01028" > < / a > < span class = "lineno" > 1028< / span > }< / div >
< div class = "line" > < a id = "l01029" name = "l01029" > < / a > < span class = "lineno" > 1029< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a45cab62842ddc9983ea6640ff9002fba" > ec_ddt_stripe_count< / a > = 0;< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01030" name = "l01030" > < / a > < span class = "lineno" > 1030< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01031" name = "l01031" > < / a > < span class = "lineno" > 1031< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5e4e2fa0c0cdd1c44c8d319ca238a41f" > ec_ddt_block_lookup< / a > )< / div >
< div class = "line" > < a id = "l01032" name = "l01032" > < / a > < span class = "lineno" > 1032< / span > {< / div >
< div class = "line" > < a id = "l01033" name = "l01033" > < / a > < span class = "lineno" > 1033< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *root = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5e4e2fa0c0cdd1c44c8d319ca238a41f" > ec_ddt_block_lookup< / a > ;< / div >
< div class = "line" > < a id = "l01034" name = "l01034" > < / a > < span class = "lineno" > 1034< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *entry, *tmp;< / div >
< div class = "line" > < a id = "l01035" name = "l01035" > < / a > < span class = "lineno" > 1035< / span > HASH_ITER(hh, root, entry, tmp) { HASH_DEL(root, entry); free(entry); }< / div >
< div class = "line" > < a id = "l01036" name = "l01036" > < / a > < span class = "lineno" > 1036< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5e4e2fa0c0cdd1c44c8d319ca238a41f" > ec_ddt_block_lookup< / a > = NULL;< / div >
< div class = "line" > < a id = "l01037" name = "l01037" > < / a > < span class = "lineno" > 1037< / span > }< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01038" name = "l01038" > < / a > < span class = "lineno" > 1038< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01039" name = "l01039" > < / a > < span class = "lineno" > 1039< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#af7b4e0a80f76581b0cb1440d9a689f0f" > ec_recovery_available< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01040" name = "l01040" > < / a > < span class = "lineno" > 1040< / span > }< / div >
< / div >
< div class = "line" > < a id = "l01041" name = "l01041" > < / a > < span class = "lineno" > 1041< / span > < / div >
< div class = "line" > < a id = "l01042" name = "l01042" > < / a > < span class = "lineno" > 1042< / span > < span class = "comment" > /* =========================================================================< / span > < / div >
< div class = "line" > < a id = "l01043" name = "l01043" > < / a > < span class = "lineno" > 1043< / span > < span class = "comment" > * ECMB loading (read path)< / span > < / div >
< div class = "line" > < a id = "l01044" name = "l01044" > < / a > < span class = "lineno" > 1044< / span > < span class = "comment" > * ========================================================================= */< / span > < / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01045" name = "l01045" > < / a > < span class = "lineno" > 1045< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "foldopen" id = "foldopen01046" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l01046" name = "l01046" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#a18f424702fcd85725ee26c1cf7e253db" > 1046< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "erasure__internal_8h.html#a18f424702fcd85725ee26c1cf7e253db" > ec_load_ecmb< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx)< / div >
< div class = "line" > < a id = "l01047" name = "l01047" > < / a > < span class = "lineno" > 1047< / span > {< / div >
< div class = "line" > < a id = "l01048" name = "l01048" > < / a > < span class = "lineno" > 1048< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Entering ec_load_ecmb(%p)" < / span > , (< span class = "keywordtype" > void< / span > *)ctx);< / div >
< div class = "line" > < a id = "l01049" name = "l01049" > < / a > < span class = "lineno" > 1049< / span > < / div >
< div class = "line" > < a id = "l01050" name = "l01050" > < / a > < span class = "lineno" > 1050< / span > < span class = "comment" > /* Read recovery footer from last sizeof(AaruRecoveryFooter) bytes of file */< / span > < / div >
< div class = "line" > < a id = "l01051" name = "l01051" > < / a > < span class = "lineno" > 1051< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , 0, SEEK_END);< / div >
< div class = "line" > < a id = "l01052" name = "l01052" > < / a > < span class = "lineno" > 1052< / span > int64_t file_size = < a class = "code hl_function" href = "internal_8h.html#a697ee4ab2c7adc710e56b0ef868596d7" > aaruf_ftell< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > );< / div >
< div class = "line" > < a id = "l01053" name = "l01053" > < / a > < span class = "lineno" > 1053< / span > < span class = "keywordflow" > if< / span > (file_size < (int64_t)< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structAaruRecoveryFooter.html" > AaruRecoveryFooter< / a > ))< / div >
< div class = "line" > < a id = "l01054" name = "l01054" > < / a > < span class = "lineno" > 1054< / span > {< / div >
< div class = "line" > < a id = "l01055" name = "l01055" > < / a > < span class = "lineno" > 1055< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " File too small for recovery footer" < / span > );< / div >
< div class = "line" > < a id = "l01056" name = "l01056" > < / a > < span class = "lineno" > 1056< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01057" name = "l01057" > < / a > < span class = "lineno" > 1057< / span > }< / div >
< div class = "line" > < a id = "l01058" name = "l01058" > < / a > < span class = "lineno" > 1058< / span > < / div >
< div class = "line" > < a id = "l01059" name = "l01059" > < / a > < span class = "lineno" > 1059< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )(file_size - (int64_t)< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structAaruRecoveryFooter.html" > AaruRecoveryFooter< / a > )), SEEK_SET);< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01060" name = "l01060" > < / a > < span class = "lineno" > 1060< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01061" name = "l01061" > < / a > < span class = "lineno" > 1061< / span > < a class = "code hl_struct" href = "structAaruRecoveryFooter.html" > AaruRecoveryFooter< / a > footer;< / div >
< div class = "line" > < a id = "l01062" name = "l01062" > < / a > < span class = "lineno" > 1062< / span > < span class = "keywordflow" > if< / span > (fread(& footer, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structAaruRecoveryFooter.html" > AaruRecoveryFooter< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1)< / div >
< div class = "line" > < a id = "l01063" name = "l01063" > < / a > < span class = "lineno" > 1063< / span > {< / div >
< div class = "line" > < a id = "l01064" name = "l01064" > < / a > < span class = "lineno" > 1064< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Cannot read recovery footer" < / span > );< / div >
< div class = "line" > < a id = "l01065" name = "l01065" > < / a > < span class = "lineno" > 1065< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01066" name = "l01066" > < / a > < span class = "lineno" > 1066< / span > }< / div >
< div class = "line" > < a id = "l01067" name = "l01067" > < / a > < span class = "lineno" > 1067< / span > < / div >
< div class = "line" > < a id = "l01068" name = "l01068" > < / a > < span class = "lineno" > 1068< / span > < span class = "keywordflow" > if< / span > (footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#a8d65cec53b91b52d2bafb7e76eef818a" > footerMagic< / a > != < a class = "code hl_define" href = "consts_8h.html#a1d7434dbf5927484a6d767b8a27c3cd4" > AARU_RECOVERY_FOOTER_MAGIC< / a > )< / div >
< div class = "line" > < a id = "l01069" name = "l01069" > < / a > < span class = "lineno" > 1069< / span > {< / div >
< div class = "line" > < a id = "l01070" name = "l01070" > < / a > < span class = "lineno" > 1070< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Recovery footer magic mismatch: 0x%016" < / span > PRIx64, footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#a8d65cec53b91b52d2bafb7e76eef818a" > footerMagic< / a > );< / div >
< div class = "line" > < a id = "l01071" name = "l01071" > < / a > < span class = "lineno" > 1071< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01072" name = "l01072" > < / a > < span class = "lineno" > 1072< / span > }< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01073" name = "l01073" > < / a > < span class = "lineno" > 1073< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01074" name = "l01074" > < / a > < span class = "lineno" > 1074< / span > < span class = "comment" > /* Read ECMB header */< / span > < / div >
< div class = "line" > < a id = "l01075" name = "l01075" > < / a > < span class = "lineno" > 1075< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )footer.< a class = "code hl_variable" href = "structAaruRecoveryFooter.html#a67e4601f7be9a5f7e84cb3adfb98e68a" > ecmbOffset< / a > , SEEK_SET);< / div >
< div class = "line" > < a id = "l01076" name = "l01076" > < / a > < span class = "lineno" > 1076< / span > < / div >
< div class = "line" > < a id = "l01077" name = "l01077" > < / a > < span class = "lineno" > 1077< / span > < a class = "code hl_struct" href = "structErasureCodingMapHeader.html" > ErasureCodingMapHeader< / a > ecmb;< / div >
< div class = "line" > < a id = "l01078" name = "l01078" > < / a > < span class = "lineno" > 1078< / span > < span class = "keywordflow" > if< / span > (fread(& ecmb, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structErasureCodingMapHeader.html" > ErasureCodingMapHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1)< / div >
< div class = "line" > < a id = "l01079" name = "l01079" > < / a > < span class = "lineno" > 1079< / span > {< / div >
< div class = "line" > < a id = "l01080" name = "l01080" > < / a > < span class = "lineno" > 1080< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " Cannot read ECMB header" < / span > );< / div >
< div class = "line" > < a id = "l01081" name = "l01081" > < / a > < span class = "lineno" > 1081< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01082" name = "l01082" > < / a > < span class = "lineno" > 1082< / span > }< / div >
< div class = "line" > < a id = "l01083" name = "l01083" > < / a > < span class = "lineno" > 1083< / span > < / div >
< div class = "line" > < a id = "l01084" name = "l01084" > < / a > < span class = "lineno" > 1084< / span > < span class = "keywordflow" > if< / span > (ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ac1cce17abac0be6beccb121d7a3b24b2" > identifier< / a > != < a class = "code hl_enumvalue" href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3af9f5bd022e035b2a787279913a85cf19" > ErasureCodingMapBlock< / a > )< / div >
< div class = "line" > < a id = "l01085" name = "l01085" > < / a > < span class = "lineno" > 1085< / span > {< / div >
< div class = "line" > < a id = "l01086" name = "l01086" > < / a > < span class = "lineno" > 1086< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " ECMB identifier mismatch" < / span > );< / div >
< div class = "line" > < a id = "l01087" name = "l01087" > < / a > < span class = "lineno" > 1087< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01088" name = "l01088" > < / a > < span class = "lineno" > 1088< / span > }< / div >
< div class = "line" > < a id = "l01089" name = "l01089" > < / a > < span class = "lineno" > 1089< / span > < / div >
< div class = "line" > < a id = "l01090" name = "l01090" > < / a > < span class = "lineno" > 1090< / span > < span class = "comment" > /* Read payload (uncompressed only for now) */< / span > < / div >
< div class = "line" > < a id = "l01091" name = "l01091" > < / a > < span class = "lineno" > 1091< / span > < span class = "keywordflow" > if< / span > (ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > == 0 || ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > > 256 * 1024 * 1024) < span class = "keywordflow" > return< / span > ; < span class = "comment" > /* sanity limit */< / span > < / div >
< div class = "line" > < a id = "l01092" name = "l01092" > < / a > < span class = "lineno" > 1092< / span > < / div >
< div class = "line" > < a id = "l01093" name = "l01093" > < / a > < span class = "lineno" > 1093< / span > uint8_t *payload = (uint8_t *)malloc((< span class = "keywordtype" > size_t< / span > )ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > );< / div >
< div class = "line" > < a id = "l01094" name = "l01094" > < / a > < span class = "lineno" > 1094< / span > < span class = "keywordflow" > if< / span > (!payload) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01095" name = "l01095" > < / a > < span class = "lineno" > 1095< / span > < / div >
< div class = "line" > < a id = "l01096" name = "l01096" > < / a > < span class = "lineno" > 1096< / span > < span class = "keywordflow" > if< / span > (ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#aaf860b67807c5bf871e52ae617a076ae" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > kCompressionNone< / a > )< / div >
< div class = "line" > < a id = "l01097" name = "l01097" > < / a > < span class = "lineno" > 1097< / span > {< / div >
< div class = "line" > < a id = "l01098" name = "l01098" > < / a > < span class = "lineno" > 1098< / span > < span class = "keywordflow" > if< / span > (fread(payload, (< span class = "keywordtype" > size_t< / span > )ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a2aa7763da110a8e7550e61bd6110f83d" > cmpLength< / a > , 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1)< / div >
< div class = "line" > < a id = "l01099" name = "l01099" > < / a > < span class = "lineno" > 1099< / span > {< / div >
< div class = "line" > < a id = "l01100" name = "l01100" > < / a > < span class = "lineno" > 1100< / span > free(payload);< / div >
< div class = "line" > < a id = "l01101" name = "l01101" > < / a > < span class = "lineno" > 1101< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01102" name = "l01102" > < / a > < span class = "lineno" > 1102< / span > }< / div >
< div class = "line" > < a id = "l01103" name = "l01103" > < / a > < span class = "lineno" > 1103< / span > }< / div >
< div class = "line" > < a id = "l01104" name = "l01104" > < / a > < span class = "lineno" > 1104< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l01105" name = "l01105" > < / a > < span class = "lineno" > 1105< / span > {< / div >
< div class = "line" > < a id = "l01106" name = "l01106" > < / a > < span class = "lineno" > 1106< / span > < span class = "comment" > /* Compressed ECMB payload — read compressed, decompress */< / span > < / div >
< div class = "line" > < a id = "l01107" name = "l01107" > < / a > < span class = "lineno" > 1107< / span > uint8_t *cmp = (uint8_t *)malloc((< span class = "keywordtype" > size_t< / span > )ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a2aa7763da110a8e7550e61bd6110f83d" > cmpLength< / a > );< / div >
< div class = "line" > < a id = "l01108" name = "l01108" > < / a > < span class = "lineno" > 1108< / span > < span class = "keywordflow" > if< / span > (!cmp) { free(payload); < span class = "keywordflow" > return< / span > ; }< / div >
< div class = "line" > < a id = "l01109" name = "l01109" > < / a > < span class = "lineno" > 1109< / span > < span class = "keywordflow" > if< / span > (fread(cmp, (< span class = "keywordtype" > size_t< / span > )ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a2aa7763da110a8e7550e61bd6110f83d" > cmpLength< / a > , 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1) { free(cmp); free(payload); < span class = "keywordflow" > return< / span > ; }< / div >
< div class = "line" > < a id = "l01110" name = "l01110" > < / a > < span class = "lineno" > 1110< / span > < / div >
< div class = "line" > < a id = "l01111" name = "l01111" > < / a > < span class = "lineno" > 1111< / span > < span class = "keywordflow" > if< / span > (ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#aaf860b67807c5bf871e52ae617a076ae" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a66b049c2b816874ab71b06cebf5afcd7" > kCompressionLzma< / a > )< / div >
< div class = "line" > < a id = "l01112" name = "l01112" > < / a > < span class = "lineno" > 1112< / span > {< / div >
< div class = "line" > < a id = "l01113" name = "l01113" > < / a > < span class = "lineno" > 1113< / span > < span class = "keywordtype" > size_t< / span > out_size = (size_t)ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > ;< / div >
< div class = "line" > < a id = "l01114" name = "l01114" > < / a > < span class = "lineno" > 1114< / span > < span class = "keywordtype" > size_t< / span > lzma_src_size = (size_t)ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a2aa7763da110a8e7550e61bd6110f83d" > cmpLength< / a > - < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ;< / div >
< div class = "line" > < a id = "l01115" name = "l01115" > < / a > < span class = "lineno" > 1115< / span > < a class = "code hl_function" href = "decls_8h.html#a12f3cbc43c2f57a11fbba32a71ba2704" > aaruf_lzma_decode_buffer< / a > (payload, & out_size, cmp + < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ,< / div >
< div class = "line" > < a id = "l01116" name = "l01116" > < / a > < span class = "lineno" > 1116< / span > & lzma_src_size, cmp, < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > );< / div >
< div class = "line" > < a id = "l01117" name = "l01117" > < / a > < span class = "lineno" > 1117< / span > }< / div >
< div class = "line" > < a id = "l01118" name = "l01118" > < / a > < span class = "lineno" > 1118< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#aaf860b67807c5bf871e52ae617a076ae" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6ee0deaccf9cd167806cc479afffc0cc" > kCompressionZstd< / a > )< / div >
< div class = "line" > < a id = "l01119" name = "l01119" > < / a > < span class = "lineno" > 1119< / span > {< / div >
< div class = "line" > < a id = "l01120" name = "l01120" > < / a > < span class = "lineno" > 1120< / span > < a class = "code hl_function" href = "decls_8h.html#ac0f8004dbea44979bf8b58c3e3a1a6ae" > aaruf_zstd_decode_buffer< / a > (payload, (< span class = "keywordtype" > size_t< / span > )ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > , cmp, (< span class = "keywordtype" > size_t< / span > )ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a2aa7763da110a8e7550e61bd6110f83d" > cmpLength< / a > );< / div >
< div class = "line" > < a id = "l01121" name = "l01121" > < / a > < span class = "lineno" > 1121< / span > }< / div >
< div class = "line" > < a id = "l01122" name = "l01122" > < / a > < span class = "lineno" > 1122< / span > free(cmp);< / div >
< div class = "line" > < a id = "l01123" name = "l01123" > < / a > < span class = "lineno" > 1123< / span > }< / div >
< div class = "line" > < a id = "l01124" name = "l01124" > < / a > < span class = "lineno" > 1124< / span > < / div >
< div class = "line" > < a id = "l01125" name = "l01125" > < / a > < span class = "lineno" > 1125< / span > < span class = "comment" > /* Verify CRC64 */< / span > < / div >
< div class = "line" > < a id = "l01126" name = "l01126" > < / a > < span class = "lineno" > 1126< / span > uint64_t computed_crc = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (payload, (uint32_t)ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > );< / div >
< div class = "line" > < a id = "l01127" name = "l01127" > < / a > < span class = "lineno" > 1127< / span > < span class = "keywordflow" > if< / span > (computed_crc != ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#aa883d1e565b1856a7a16b2fcf8ee8b7d" > crc64< / a > )< / div >
< div class = "line" > < a id = "l01128" name = "l01128" > < / a > < span class = "lineno" > 1128< / span > {< / div >
< div class = "line" > < a id = "l01129" name = "l01129" > < / a > < span class = "lineno" > 1129< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " ECMB payload CRC64 mismatch" < / span > );< / div >
< div class = "line" > < a id = "l01130" name = "l01130" > < / a > < span class = "lineno" > 1130< / span > free(payload);< / div >
< div class = "line" > < a id = "l01131" name = "l01131" > < / a > < span class = "lineno" > 1131< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01132" name = "l01132" > < / a > < span class = "lineno" > 1132< / span > }< / div >
< div class = "line" > < a id = "l01133" name = "l01133" > < / a > < span class = "lineno" > 1133< / span > < / div >
< div class = "line" > < a id = "l01134" name = "l01134" > < / a > < span class = "lineno" > 1134< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a25448606ea0870a817f4a2b6c94f7698" > ec_algorithm< / a > = ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#a174d1be87a00bda3012715de76423ec4" > algorithm< / a > ;< / div >
< div class = "line" > < a id = "l01135" name = "l01135" > < / a > < span class = "lineno" > 1135< / span > < / div >
< div class = "line" > < a id = "l01136" name = "l01136" > < / a > < span class = "lineno" > 1136< / span > < span class = "comment" > /* Parse all stripe groups */< / span > < / div >
< div class = "line" > < a id = "l01137" name = "l01137" > < / a > < span class = "lineno" > 1137< / span > uint8_t *p = payload;< / div >
< div class = "line" > < a id = "l01138" name = "l01138" > < / a > < span class = "lineno" > 1138< / span > < span class = "keywordtype" > size_t< / span > remaining = (size_t)ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > length< / a > ;< / div >
< div class = "line" > < a id = "l01139" name = "l01139" > < / a > < span class = "lineno" > 1139< / span > < / div >
< div class = "line" > < a id = "l01140" name = "l01140" > < / a > < span class = "lineno" > 1140< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *lookup_root = NULL;< / div >
< div class = "line" > < a id = "l01141" name = "l01141" > < / a > < span class = "lineno" > 1141< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *data_stripes = NULL;< / div >
< div class = "line" > < a id = "l01142" name = "l01142" > < / a > < span class = "lineno" > 1142< / span > uint32_t data_stripe_count = 0;< / div >
< div class = "line" > < a id = "l01143" name = "l01143" > < / a > < span class = "lineno" > 1143< / span > < / div >
< div class = "line" > < a id = "l01144" name = "l01144" > < / a > < span class = "lineno" > 1144< / span > < span class = "keywordflow" > for< / span > (uint8_t g = 0; g < ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#accae80e978eeccc7c026eb5ade721aae" > stripeGroupCount< / a > & & remaining > = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ); g++)< / div >
< div class = "line" > < a id = "l01145" name = "l01145" > < / a > < span class = "lineno" > 1145< / span > {< / div >
< div class = "line" > < a id = "l01146" name = "l01146" > < / a > < span class = "lineno" > 1146< / span > < a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > group;< / div >
< div class = "line" > < a id = "l01147" name = "l01147" > < / a > < span class = "lineno" > 1147< / span > memcpy(& group, p, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > ));< / div >
< div class = "line" > < a id = "l01148" name = "l01148" > < / a > < span class = "lineno" > 1148< / span > p += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > );< / div >
< div class = "line" > < a id = "l01149" name = "l01149" > < / a > < span class = "lineno" > 1149< / span > remaining -= < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > );< / div >
< div class = "line" > < a id = "l01150" name = "l01150" > < / a > < span class = "lineno" > 1150< / span > < / div >
< div class = "line" > < a id = "l01151" name = "l01151" > < / a > < span class = "lineno" > 1151< / span > < span class = "comment" > /* Parse stripes for this group */< / span > < / div >
< div class = "line" > < a id = "l01152" name = "l01152" > < / a > < span class = "lineno" > 1152< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *grp_stripes = NULL;< / div >
< div class = "line" > < a id = "l01153" name = "l01153" > < / a > < span class = "lineno" > 1153< / span > < span class = "keywordflow" > if< / span > (group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > > 0)< / div >
< div class = "line" > < a id = "l01154" name = "l01154" > < / a > < span class = "lineno" > 1154< / span > {< / div >
< div class = "line" > < a id = "l01155" name = "l01155" > < / a > < span class = "lineno" > 1155< / span > grp_stripes = (< a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *)calloc(group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > , < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > ));< / div >
< div class = "line" > < a id = "l01156" name = "l01156" > < / a > < span class = "lineno" > 1156< / span > < span class = "keywordflow" > if< / span > (!grp_stripes) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01157" name = "l01157" > < / a > < span class = "lineno" > 1157< / span > }< / div >
< div class = "line" > < a id = "l01158" name = "l01158" > < / a > < span class = "lineno" > 1158< / span > < / div >
< div class = "line" > < a id = "l01159" name = "l01159" > < / a > < span class = "lineno" > 1159< / span > < span class = "keywordflow" > for< / span > (uint32_t s = 0; s < group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > ; s++)< / div >
< div class = "line" > < a id = "l01160" name = "l01160" > < / a > < span class = "lineno" > 1160< / span > {< / div >
< div class = "line" > < a id = "l01161" name = "l01161" > < / a > < span class = "lineno" > 1161< / span > < span class = "keywordflow" > if< / span > (remaining < < span class = "keyword" > sizeof< / span > (uint16_t)) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01162" name = "l01162" > < / a > < span class = "lineno" > 1162< / span > uint16_t ak;< / div >
< div class = "line" > < a id = "l01163" name = "l01163" > < / a > < span class = "lineno" > 1163< / span > memcpy(& ak, p, < span class = "keyword" > sizeof< / span > (uint16_t)); p += < span class = "keyword" > sizeof< / span > (uint16_t); remaining -= < span class = "keyword" > sizeof< / span > (uint16_t);< / div >
< div class = "line" > < a id = "l01164" name = "l01164" > < / a > < span class = "lineno" > 1164< / span > < span class = "keywordflow" > if< / span > (grp_stripes) grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > = ak;< / div >
< div class = "line" > < a id = "l01165" name = "l01165" > < / a > < span class = "lineno" > 1165< / span > < / div >
< div class = "line" > < a id = "l01166" name = "l01166" > < / a > < span class = "lineno" > 1166< / span > < span class = "keywordtype" > size_t< / span > data_bytes = (size_t)ak * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l01167" name = "l01167" > < / a > < span class = "lineno" > 1167< / span > < span class = "keywordtype" > size_t< / span > parity_bytes = (size_t)group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > * < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l01168" name = "l01168" > < / a > < span class = "lineno" > 1168< / span > < span class = "keywordflow" > if< / span > (remaining < data_bytes + parity_bytes) < span class = "keywordflow" > break< / span > ;< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01169" name = "l01169" > < / a > < span class = "lineno" > 1169< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01170" name = "l01170" > < / a > < span class = "lineno" > 1170< / span > < span class = "keywordflow" > if< / span > (grp_stripes)< / div >
< div class = "line" > < a id = "l01171" name = "l01171" > < / a > < span class = "lineno" > 1171< / span > {< / div >
< div class = "line" > < a id = "l01172" name = "l01172" > < / a > < span class = "lineno" > 1172< / span > grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > = (< a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > *)malloc(data_bytes);< / div >
< div class = "line" > < a id = "l01173" name = "l01173" > < / a > < span class = "lineno" > 1173< / span > < span class = "keywordflow" > if< / span > (grp_stripes[s].data_entries)< / div >
< div class = "line" > < a id = "l01174" name = "l01174" > < / a > < span class = "lineno" > 1174< / span > memcpy(grp_stripes[s].data_entries, p, data_bytes);< / div >
< div class = "line" > < a id = "l01175" name = "l01175" > < / a > < span class = "lineno" > 1175< / span > < / div >
< div class = "line" > < a id = "l01176" name = "l01176" > < / a > < span class = "lineno" > 1176< / span > grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#ac88d41411a685f4b7fbecb69d179ec3f" > parity_offsets< / a > = (uint64_t *)malloc((< span class = "keywordtype" > size_t< / span > )group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > * < span class = "keyword" > sizeof< / span > (uint64_t));< / div >
< div class = "line" > < a id = "l01177" name = "l01177" > < / a > < span class = "lineno" > 1177< / span > }< / div >
< div class = "line" > < a id = "l01178" name = "l01178" > < / a > < span class = "lineno" > 1178< / span > < / div >
< div class = "line" > < a id = "l01179" name = "l01179" > < / a > < span class = "lineno" > 1179< / span > p += data_bytes; remaining -= data_bytes;< / div >
< div class = "line" > < a id = "l01180" name = "l01180" > < / a > < span class = "lineno" > 1180< / span > < / div >
< div class = "line" > < a id = "l01181" name = "l01181" > < / a > < span class = "lineno" > 1181< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > ; m++)< / div >
< div class = "line" > < a id = "l01182" name = "l01182" > < / a > < span class = "lineno" > 1182< / span > {< / div >
< div class = "line" > < a id = "l01183" name = "l01183" > < / a > < span class = "lineno" > 1183< / span > < a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > pe;< / div >
< div class = "line" > < a id = "l01184" name = "l01184" > < / a > < span class = "lineno" > 1184< / span > memcpy(& pe, p, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > ));< / div >
< div class = "line" > < a id = "l01185" name = "l01185" > < / a > < span class = "lineno" > 1185< / span > p += < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > ); remaining -= < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > );< / div >
< div class = "line" > < a id = "l01186" name = "l01186" > < / a > < span class = "lineno" > 1186< / span > < span class = "keywordflow" > if< / span > (grp_stripes & & grp_stripes[s].parity_offsets)< / div >
< div class = "line" > < a id = "l01187" name = "l01187" > < / a > < span class = "lineno" > 1187< / span > grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#ac88d41411a685f4b7fbecb69d179ec3f" > parity_offsets< / a > [m] = pe.< a class = "code hl_variable" href = "structStripeParityBlockEntry.html#a4222801a62acbce61990ee79faf26050" > offset< / a > ;< / div >
< div class = "line" > < a id = "l01188" name = "l01188" > < / a > < span class = "lineno" > 1188< / span > }< / div >
< div class = "line" > < a id = "l01189" name = "l01189" > < / a > < span class = "lineno" > 1189< / span > < / div >
< div class = "line" > < a id = "l01190" name = "l01190" > < / a > < span class = "lineno" > 1190< / span > < span class = "comment" > /* Build lookup hashmap for data group blocks */< / span > < / div >
< div class = "line" > < a id = "l01191" name = "l01191" > < / a > < span class = "lineno" > 1191< / span > < span class = "keywordflow" > if< / span > (group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a6093f8c41fb1aa55c8367e2a92fe9f7f" > groupType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eacca27cc435d2d572b6d740594da18db9" > kECGroupData< / a > & & grp_stripes & & grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > )< / div >
< div class = "line" > < a id = "l01192" name = "l01192" > < / a > < span class = "lineno" > 1192< / span > {< / div >
< div class = "line" > < a id = "l01193" name = "l01193" > < / a > < span class = "lineno" > 1193< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < ak; k++)< / div >
< div class = "line" > < a id = "l01194" name = "l01194" > < / a > < span class = "lineno" > 1194< / span > {< / div >
< div class = "line" > < a id = "l01195" name = "l01195" > < / a > < span class = "lineno" > 1195< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *le = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)calloc(1, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > ));< / div >
< div class = "line" > < a id = "l01196" name = "l01196" > < / a > < span class = "lineno" > 1196< / span > < span class = "keywordflow" > if< / span > (!le) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01197" name = "l01197" > < / a > < span class = "lineno" > 1197< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a13a8928f4f9cc3d0d7a30b1d0530c016" > block_offset< / a > = grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > [k].< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > offset< / a > ;< / div >
< div class = "line" > < a id = "l01198" name = "l01198" > < / a > < span class = "lineno" > 1198< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > stripe_index< / a > = s;< / div >
< div class = "line" > < a id = "l01199" name = "l01199" > < / a > < span class = "lineno" > 1199< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > position< / a > = k;< / div >
< div class = "line" > < a id = "l01200" name = "l01200" > < / a > < span class = "lineno" > 1200< / span > HASH_ADD(hh, lookup_root, block_offset, < span class = "keyword" > sizeof< / span > (uint64_t), le);< / div >
< div class = "line" > < a id = "l01201" name = "l01201" > < / a > < span class = "lineno" > 1201< / span > }< / div >
< div class = "line" > < a id = "l01202" name = "l01202" > < / a > < span class = "lineno" > 1202< / span > }< / div >
< div class = "line" > < a id = "l01203" name = "l01203" > < / a > < span class = "lineno" > 1203< / span > }< / div >
< div class = "line" > < a id = "l01204" name = "l01204" > < / a > < span class = "lineno" > 1204< / span > < / div >
< div class = "line" > < a id = "l01205" name = "l01205" > < / a > < span class = "lineno" > 1205< / span > < span class = "comment" > /* Store parsed data based on group type */< / span > < / div >
< div class = "line" > < a id = "l01206" name = "l01206" > < / a > < span class = "lineno" > 1206< / span > < span class = "keywordflow" > if< / span > (group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a6093f8c41fb1aa55c8367e2a92fe9f7f" > groupType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eacca27cc435d2d572b6d740594da18db9" > kECGroupData< / a > )< / div >
< div class = "line" > < a id = "l01207" name = "l01207" > < / a > < span class = "lineno" > 1207< / span > {< / div >
< div class = "line" > < a id = "l01208" name = "l01208" > < / a > < span class = "lineno" > 1208< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a46b938eb0fea65843e741c2cc240d14b" > K< / a > ;< / div >
< div class = "line" > < a id = "l01209" name = "l01209" > < / a > < span class = "lineno" > 1209< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > ;< / div >
< div class = "line" > < a id = "l01210" name = "l01210" > < / a > < span class = "lineno" > 1210< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a2a457b42f8562c872b0b7e0f1b054ef5" > shardSize< / a > ;< / div >
< div class = "line" > < a id = "l01211" name = "l01211" > < / a > < span class = "lineno" > 1211< / span > data_stripes = grp_stripes;< / div >
< div class = "line" > < a id = "l01212" name = "l01212" > < / a > < span class = "lineno" > 1212< / span > data_stripe_count = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > ;< / div >
< div class = "line" > < a id = "l01213" name = "l01213" > < / a > < span class = "lineno" > 1213< / span > }< / div >
< div class = "line" > < a id = "l01214" name = "l01214" > < / a > < span class = "lineno" > 1214< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a6093f8c41fb1aa55c8367e2a92fe9f7f" > groupType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eaf5acb726ee779a2e93b636a0bee14972" > kECGroupDdtSecondary< / a > )< / div >
< div class = "line" > < a id = "l01215" name = "l01215" > < / a > < span class = "lineno" > 1215< / span > {< / div >
< div class = "line" > < a id = "l01216" name = "l01216" > < / a > < span class = "lineno" > 1216< / span > < span class = "comment" > /* Store DDT-secondary group for recovery of secondary DDT subtables */< / span > < / div >
< div class = "line" > < a id = "l01217" name = "l01217" > < / a > < span class = "lineno" > 1217< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *ddt_lookup_root = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5e4e2fa0c0cdd1c44c8d319ca238a41f" > ec_ddt_block_lookup< / a > ;< / div >
< div class = "line" > < a id = "l01218" name = "l01218" > < / a > < span class = "lineno" > 1218< / span > < span class = "keywordflow" > if< / span > (grp_stripes)< / div >
< div class = "line" > < a id = "l01219" name = "l01219" > < / a > < span class = "lineno" > 1219< / span > {< / div >
< div class = "line" > < a id = "l01220" name = "l01220" > < / a > < span class = "lineno" > 1220< / span > < span class = "keywordflow" > for< / span > (uint32_t s = 0; s < group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > ; s++)< / div >
< div class = "line" > < a id = "l01221" name = "l01221" > < / a > < span class = "lineno" > 1221< / span > {< / div >
< div class = "line" > < a id = "l01222" name = "l01222" > < / a > < span class = "lineno" > 1222< / span > < span class = "keywordflow" > if< / span > (!grp_stripes[s].data_entries) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01223" name = "l01223" > < / a > < span class = "lineno" > 1223< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > ; k++)< / div >
< div class = "line" > < a id = "l01224" name = "l01224" > < / a > < span class = "lineno" > 1224< / span > {< / div >
< div class = "line" > < a id = "l01225" name = "l01225" > < / a > < span class = "lineno" > 1225< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *le = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)calloc(1, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > ));< / div >
< div class = "line" > < a id = "l01226" name = "l01226" > < / a > < span class = "lineno" > 1226< / span > < span class = "keywordflow" > if< / span > (!le) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01227" name = "l01227" > < / a > < span class = "lineno" > 1227< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a13a8928f4f9cc3d0d7a30b1d0530c016" > block_offset< / a > = grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > [k].< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > offset< / a > ;< / div >
< div class = "line" > < a id = "l01228" name = "l01228" > < / a > < span class = "lineno" > 1228< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > stripe_index< / a > = s;< / div >
< div class = "line" > < a id = "l01229" name = "l01229" > < / a > < span class = "lineno" > 1229< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > position< / a > = k;< / div >
< div class = "line" > < a id = "l01230" name = "l01230" > < / a > < span class = "lineno" > 1230< / span > HASH_ADD(hh, ddt_lookup_root, block_offset, < span class = "keyword" > sizeof< / span > (uint64_t), le);< / div >
< div class = "line" > < a id = "l01231" name = "l01231" > < / a > < span class = "lineno" > 1231< / span > }< / div >
< div class = "line" > < a id = "l01232" name = "l01232" > < / a > < span class = "lineno" > 1232< / span > }< / div >
< div class = "line" > < a id = "l01233" name = "l01233" > < / a > < span class = "lineno" > 1233< / span > }< / div >
< div class = "line" > < a id = "l01234" name = "l01234" > < / a > < span class = "lineno" > 1234< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab37d2e5f32f48457696cea146a5b2caa" > ec_ddt_stripes< / a > = grp_stripes;< / div >
< div class = "line" > < a id = "l01235" name = "l01235" > < / a > < span class = "lineno" > 1235< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a45cab62842ddc9983ea6640ff9002fba" > ec_ddt_stripe_count< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > ;< / div >
< div class = "line" > < a id = "l01236" name = "l01236" > < / a > < span class = "lineno" > 1236< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac44480e69731f9f6de04ef2bea5671b5" > ec_ddt_K< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a46b938eb0fea65843e741c2cc240d14b" > K< / a > ;< / div >
< div class = "line" > < a id = "l01237" name = "l01237" > < / a > < span class = "lineno" > 1237< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a725f855ca8c500abb109e015429b7cde" > ec_ddt_M< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > ;< / div >
< div class = "line" > < a id = "l01238" name = "l01238" > < / a > < span class = "lineno" > 1238< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ac029d7423bbe5c8e94ec36430d549a2e" > ec_ddt_shard_size< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a2a457b42f8562c872b0b7e0f1b054ef5" > shardSize< / a > ;< / div >
< div class = "line" > < a id = "l01239" name = "l01239" > < / a > < span class = "lineno" > 1239< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5e4e2fa0c0cdd1c44c8d319ca238a41f" > ec_ddt_block_lookup< / a > = ddt_lookup_root;< / div >
< div class = "line" > < a id = "l01240" name = "l01240" > < / a > < span class = "lineno" > 1240< / span > }< / div >
< div class = "line" > < a id = "l01241" name = "l01241" > < / a > < span class = "lineno" > 1241< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a6093f8c41fb1aa55c8367e2a92fe9f7f" > groupType< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03ea5fb086c67288ffec790901b1026b3e0f" > kECGroupMetadata< / a > )< / div >
< div class = "line" > < a id = "l01242" name = "l01242" > < / a > < span class = "lineno" > 1242< / span > {< / div >
< div class = "line" > < a id = "l01243" name = "l01243" > < / a > < span class = "lineno" > 1243< / span > < span class = "comment" > /* Store metadata group for recovery of media tags, tracks, checksums, etc. */< / span > < / div >
< div class = "line" > < a id = "l01244" name = "l01244" > < / a > < span class = "lineno" > 1244< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *meta_lookup_root = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab573ee68bfe1c6eecfe42a7d28fdc458" > ec_meta_block_lookup< / a > ;< / div >
< div class = "line" > < a id = "l01245" name = "l01245" > < / a > < span class = "lineno" > 1245< / span > < span class = "keywordflow" > if< / span > (grp_stripes)< / div >
< div class = "line" > < a id = "l01246" name = "l01246" > < / a > < span class = "lineno" > 1246< / span > {< / div >
< div class = "line" > < a id = "l01247" name = "l01247" > < / a > < span class = "lineno" > 1247< / span > < span class = "keywordflow" > for< / span > (uint32_t s = 0; s < group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > ; s++)< / div >
< div class = "line" > < a id = "l01248" name = "l01248" > < / a > < span class = "lineno" > 1248< / span > {< / div >
< div class = "line" > < a id = "l01249" name = "l01249" > < / a > < span class = "lineno" > 1249< / span > < span class = "keywordflow" > if< / span > (!grp_stripes[s].data_entries) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01250" name = "l01250" > < / a > < span class = "lineno" > 1250< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > ; k++)< / div >
< div class = "line" > < a id = "l01251" name = "l01251" > < / a > < span class = "lineno" > 1251< / span > {< / div >
< div class = "line" > < a id = "l01252" name = "l01252" > < / a > < span class = "lineno" > 1252< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *le = (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)calloc(1, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > ));< / div >
< div class = "line" > < a id = "l01253" name = "l01253" > < / a > < span class = "lineno" > 1253< / span > < span class = "keywordflow" > if< / span > (!le) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01254" name = "l01254" > < / a > < span class = "lineno" > 1254< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a13a8928f4f9cc3d0d7a30b1d0530c016" > block_offset< / a > = grp_stripes[s].< a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > [k].< a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > offset< / a > ;< / div >
< div class = "line" > < a id = "l01255" name = "l01255" > < / a > < span class = "lineno" > 1255< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > stripe_index< / a > = s;< / div >
< div class = "line" > < a id = "l01256" name = "l01256" > < / a > < span class = "lineno" > 1256< / span > le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > position< / a > = k;< / div >
< div class = "line" > < a id = "l01257" name = "l01257" > < / a > < span class = "lineno" > 1257< / span > HASH_ADD(hh, meta_lookup_root, block_offset, < span class = "keyword" > sizeof< / span > (uint64_t), le);< / div >
< div class = "line" > < a id = "l01258" name = "l01258" > < / a > < span class = "lineno" > 1258< / span > }< / div >
< div class = "line" > < a id = "l01259" name = "l01259" > < / a > < span class = "lineno" > 1259< / span > }< / div >
< div class = "line" > < a id = "l01260" name = "l01260" > < / a > < span class = "lineno" > 1260< / span > }< / div >
< div class = "line" > < a id = "l01261" name = "l01261" > < / a > < span class = "lineno" > 1261< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > ec_meta_stripes< / a > = grp_stripes;< / div >
< div class = "line" > < a id = "l01262" name = "l01262" > < / a > < span class = "lineno" > 1262< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a2383c8f3fdc082ce690a7fcfc9b7df7f" > ec_meta_stripe_count< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > ;< / div >
< div class = "line" > < a id = "l01263" name = "l01263" > < / a > < span class = "lineno" > 1263< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ae4d4729f684e901b5c1b5b07ce43bcad" > ec_meta_K< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a46b938eb0fea65843e741c2cc240d14b" > K< / a > ;< / div >
< div class = "line" > < a id = "l01264" name = "l01264" > < / a > < span class = "lineno" > 1264< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a853faa6ad76bbed813479ad1d16b3f87" > ec_meta_M< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > M< / a > ;< / div >
< div class = "line" > < a id = "l01265" name = "l01265" > < / a > < span class = "lineno" > 1265< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a5dcdc3c79abfc4eb97ba75d98f27edf1" > ec_meta_shard_size< / a > = group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a2a457b42f8562c872b0b7e0f1b054ef5" > shardSize< / a > ;< / div >
< div class = "line" > < a id = "l01266" name = "l01266" > < / a > < span class = "lineno" > 1266< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab573ee68bfe1c6eecfe42a7d28fdc458" > ec_meta_block_lookup< / a > = meta_lookup_root;< / div >
< div class = "line" > < a id = "l01267" name = "l01267" > < / a > < span class = "lineno" > 1267< / span > }< / div >
< div class = "line" > < a id = "l01268" name = "l01268" > < / a > < span class = "lineno" > 1268< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l01269" name = "l01269" > < / a > < span class = "lineno" > 1269< / span > {< / div >
< div class = "line" > < a id = "l01270" name = "l01270" > < / a > < span class = "lineno" > 1270< / span > < span class = "comment" > /* For DDT/index groups, free for now (recovery handled by replicas). */< / span > < / div >
< div class = "line" > < a id = "l01271" name = "l01271" > < / a > < span class = "lineno" > 1271< / span > < span class = "keywordflow" > if< / span > (grp_stripes)< / div >
< div class = "line" > < a id = "l01272" name = "l01272" > < / a > < span class = "lineno" > 1272< / span > {< / div >
< div class = "line" > < a id = "l01273" name = "l01273" > < / a > < span class = "lineno" > 1273< / span > < span class = "keywordflow" > for< / span > (uint32_t s = 0; s < group.< a class = "code hl_variable" href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > stripeCount< / a > ; s++)< / div >
< div class = "line" > < a id = "l01274" name = "l01274" > < / a > < span class = "lineno" > 1274< / span > {< / div >
< div class = "line" > < a id = "l01275" name = "l01275" > < / a > < span class = "lineno" > 1275< / span > free(grp_stripes[s].data_entries);< / div >
< div class = "line" > < a id = "l01276" name = "l01276" > < / a > < span class = "lineno" > 1276< / span > free(grp_stripes[s].parity_offsets);< / div >
< div class = "line" > < a id = "l01277" name = "l01277" > < / a > < span class = "lineno" > 1277< / span > }< / div >
< div class = "line" > < a id = "l01278" name = "l01278" > < / a > < span class = "lineno" > 1278< / span > free(grp_stripes);< / div >
< div class = "line" > < a id = "l01279" name = "l01279" > < / a > < span class = "lineno" > 1279< / span > }< / div >
< div class = "line" > < a id = "l01280" name = "l01280" > < / a > < span class = "lineno" > 1280< / span > }< / div >
< div class = "line" > < a id = "l01281" name = "l01281" > < / a > < span class = "lineno" > 1281< / span > }< / div >
< div class = "line" > < a id = "l01282" name = "l01282" > < / a > < span class = "lineno" > 1282< / span > < / div >
< div class = "line" > < a id = "l01283" name = "l01283" > < / a > < span class = "lineno" > 1283< / span > free(payload);< / div >
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< div class = "line" > < a id = "l01284" name = "l01284" > < / a > < span class = "lineno" > 1284< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01285" name = "l01285" > < / a > < span class = "lineno" > 1285< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aad3acc958f1b3e63fdeacfd349aff736" > ec_read_stripes< / a > = data_stripes;< / div >
< div class = "line" > < a id = "l01286" name = "l01286" > < / a > < span class = "lineno" > 1286< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3e230f326ef10eae2a496ca4532c8143" > ec_read_stripe_count< / a > = data_stripe_count;< / div >
< div class = "line" > < a id = "l01287" name = "l01287" > < / a > < span class = "lineno" > 1287< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aafe10b9028dcb7a53c5b05b8db2b2ba8" > ec_block_lookup< / a > = lookup_root;< / div >
< div class = "line" > < a id = "l01288" name = "l01288" > < / a > < span class = "lineno" > 1288< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#af7b4e0a80f76581b0cb1440d9a689f0f" > ec_recovery_available< / a > = (data_stripes != NULL & & data_stripe_count > 0) ||< / div >
< div class = "line" > < a id = "l01289" name = "l01289" > < / a > < span class = "lineno" > 1289< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > ec_meta_stripes< / a > != NULL & & ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a2383c8f3fdc082ce690a7fcfc9b7df7f" > ec_meta_stripe_count< / a > > 0);< / div >
< div class = "line" > < a id = "l01290" name = "l01290" > < / a > < span class = "lineno" > 1290< / span > < / div >
< div class = "line" > < a id = "l01291" name = "l01291" > < / a > < span class = "lineno" > 1291< / span > < span class = "comment" > /* Create RS codec for decoding */< / span > < / div >
< div class = "line" > < a id = "l01292" name = "l01292" > < / a > < span class = "lineno" > 1292< / span > < span class = "keywordflow" > if< / span > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#af7b4e0a80f76581b0cb1440d9a689f0f" > ec_recovery_available< / a > & & !ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > )< / div >
< div class = "line" > < a id = "l01293" name = "l01293" > < / a > < span class = "lineno" > 1293< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > = < a class = "code hl_function" href = "reed__solomon_8c.html#a68a7b13ef6443640abc2818a3bd7d5bf" > rs_create< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > );< / div >
< div class = "line" > < a id = "l01294" name = "l01294" > < / a > < span class = "lineno" > 1294< / span > < / div >
< div class = "line" > < a id = "l01295" name = "l01295" > < / a > < span class = "lineno" > 1295< / span > < a class = "code hl_define" href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > (< span class = "stringliteral" > " ECMB loaded: %u groups, K=%u M=%u shard_size=%u data_stripes=%u" < / span > ,< / div >
< div class = "line" > < a id = "l01296" name = "l01296" > < / a > < span class = "lineno" > 1296< / span > ecmb.< a class = "code hl_variable" href = "structErasureCodingMapHeader.html#accae80e978eeccc7c026eb5ade721aae" > stripeGroupCount< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > , ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > , data_stripe_count);< / div >
< div class = "line" > < a id = "l01297" name = "l01297" > < / a > < span class = "lineno" > 1297< / span > }< / div >
< / div >
< div class = "line" > < a id = "l01298" name = "l01298" > < / a > < span class = "lineno" > 1298< / span > < / div >
< div class = "line" > < a id = "l01299" name = "l01299" > < / a > < span class = "lineno" > 1299< / span > < span class = "comment" > /* =========================================================================< / span > < / div >
< div class = "line" > < a id = "l01300" name = "l01300" > < / a > < span class = "lineno" > 1300< / span > < span class = "comment" > * Data block recovery (read path)< / span > < / div >
< div class = "line" > < a id = "l01301" name = "l01301" > < / a > < span class = "lineno" > 1301< / span > < span class = "comment" > * ========================================================================= */< / span > < / div >
< div class = "line" > < a id = "l01302" name = "l01302" > < / a > < span class = "lineno" > 1302< / span > < / div >
< div class = "foldopen" id = "foldopen01303" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l01303" name = "l01303" > < / a > < span class = "lineno" > < a class = "line" href = "erasure__internal_8h.html#a7a9ac507738cdf72e951f152edd4d233" > 1303< / a > < / span > int32_t < a class = "code hl_function" href = "erasure__internal_8h.html#a7a9ac507738cdf72e951f152edd4d233" > ec_recover_data_block< / a > (< a class = "code hl_struct" href = "structaaruformat__context.html" > aaruformat_context< / a > *ctx, uint64_t block_offset, uint64_t offset,< / div >
< div class = "line" > < a id = "l01304" name = "l01304" > < / a > < span class = "lineno" > 1304< / span > uint8_t *data, uint32_t *length, uint8_t sector_status)< / div >
< div class = "line" > < a id = "l01305" name = "l01305" > < / a > < span class = "lineno" > 1305< / span > {< / div >
< div class = "line" > < a id = "l01306" name = "l01306" > < / a > < span class = "lineno" > 1306< / span > < span class = "keywordflow" > if< / span > (!ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#af7b4e0a80f76581b0cb1440d9a689f0f" > ec_recovery_available< / a > || ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > ) < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#ac9f4e38e8d5a1f940c9cd0c7f6788c37" > AARUF_ERROR_CANNOT_DECOMPRESS_BLOCK< / a > ;< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01307" name = "l01307" > < / a > < span class = "lineno" > 1307< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01308" name = "l01308" > < / a > < span class = "lineno" > 1308< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l01309" name = "l01309" > < / a > < span class = "lineno" > 1309< / span > < / div >
< div class = "line" > < a id = "l01310" name = "l01310" > < / a > < span class = "lineno" > 1310< / span > < span class = "comment" > /* Look up which stripe this block belongs to */< / span > < / div >
< div class = "line" > < a id = "l01311" name = "l01311" > < / a > < span class = "lineno" > 1311< / span > < a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *le = NULL;< / div >
< div class = "line" > < a id = "l01312" name = "l01312" > < / a > < span class = "lineno" > 1312< / span > HASH_FIND(hh, (< a class = "code hl_struct" href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aafe10b9028dcb7a53c5b05b8db2b2ba8" > ec_block_lookup< / a > , & block_offset, < span class = "keyword" > sizeof< / span > (uint64_t), le);< / div >
< div class = "line" > < a id = "l01313" name = "l01313" > < / a > < span class = "lineno" > 1313< / span > < span class = "keywordflow" > if< / span > (!le) { ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ; < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#ac9f4e38e8d5a1f940c9cd0c7f6788c37" > AARUF_ERROR_CANNOT_DECOMPRESS_BLOCK< / a > ; }< / div >
< div class = "line" > < a id = "l01314" name = "l01314" > < / a > < span class = "lineno" > 1314< / span > < / div >
< div class = "line" > < a id = "l01315" name = "l01315" > < / a > < span class = "lineno" > 1315< / span > uint32_t si = le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > stripe_index< / a > ;< / div >
< div class = "line" > < a id = "l01316" name = "l01316" > < / a > < span class = "lineno" > 1316< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *stripes = (< a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aad3acc958f1b3e63fdeacfd349aff736" > ec_read_stripes< / a > ;< / div >
< div class = "line" > < a id = "l01317" name = "l01317" > < / a > < span class = "lineno" > 1317< / span > < a class = "code hl_struct" href = "structEcReadStripe.html" > EcReadStripe< / a > *stripe = & stripes[si];< / div >
< div class = "line" > < a id = "l01318" name = "l01318" > < / a > < span class = "lineno" > 1318< / span > uint16_t K = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > ec_K< / a > ;< / div >
< div class = "line" > < a id = "l01319" name = "l01319" > < / a > < span class = "lineno" > 1319< / span > uint16_t M = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > ec_M< / a > ;< / div >
< div class = "line" > < a id = "l01320" name = "l01320" > < / a > < span class = "lineno" > 1320< / span > uint32_t shard_size = ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > ec_data_shard_size< / a > ;< / div >
< div class = "line" > < a id = "l01321" name = "l01321" > < / a > < span class = "lineno" > 1321< / span > < / div >
< div class = "line" > < a id = "l01322" name = "l01322" > < / a > < span class = "lineno" > 1322< / span > < span class = "comment" > /* Always use K+M shards for RS. For partial stripes (actual_k < K),< / span > < / div >
< div class = "line" > < a id = "l01323" name = "l01323" > < / a > < span class = "lineno" > 1323< / span > < span class = "comment" > * positions actual_k..K-1 are all-zero (calloc' d) and marked present.< / span > < / div >
< div class = "line" > < a id = "l01324" name = "l01324" > < / a > < span class = "lineno" > 1324< / span > < span class = "comment" > * This works because the encoding used the K-size generator matrix< / span > < / div >
< div class = "line" > < a id = "l01325" name = "l01325" > < / a > < span class = "lineno" > 1325< / span > < span class = "comment" > * and zero-contributions for unused positions. */< / span > < / div >
< div class = "line" > < a id = "l01326" name = "l01326" > < / a > < span class = "lineno" > 1326< / span > uint16_t total_shards = K + M;< / div >
< div class = "line" > < a id = "l01327" name = "l01327" > < / a > < span class = "lineno" > 1327< / span > < / div >
< div class = "line" > < a id = "l01328" name = "l01328" > < / a > < span class = "lineno" > 1328< / span > < span class = "comment" > /* Allocate shard pointers and present flags */< / span > < / div >
< div class = "line" > < a id = "l01329" name = "l01329" > < / a > < span class = "lineno" > 1329< / span > uint8_t **shards = (uint8_t **)calloc(total_shards, < span class = "keyword" > sizeof< / span > (uint8_t *));< / div >
< div class = "line" > < a id = "l01330" name = "l01330" > < / a > < span class = "lineno" > 1330< / span > uint8_t *present = (uint8_t *)calloc(total_shards, 1);< / div >
< div class = "line" > < a id = "l01331" name = "l01331" > < / a > < span class = "lineno" > 1331< / span > < span class = "keywordflow" > if< / span > (!shards || !present) { free(shards); free(present); ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ; < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ; }< / div >
< div class = "line" > < a id = "l01332" name = "l01332" > < / a > < span class = "lineno" > 1332< / span > < / div >
< div class = "line" > < a id = "l01333" name = "l01333" > < / a > < span class = "lineno" > 1333< / span > < span class = "keywordflow" > for< / span > (uint16_t i = 0; i < total_shards; i++)< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01334" name = "l01334" > < / a > < span class = "lineno" > 1334< / span > {< / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01335" name = "l01335" > < / a > < span class = "lineno" > 1335< / span > shards[i] = (uint8_t *)calloc(1, shard_size);< / div >
< div class = "line" > < a id = "l01336" name = "l01336" > < / a > < span class = "lineno" > 1336< / span > < span class = "keywordflow" > if< / span > (!shards[i])< / div >
< div class = "line" > < a id = "l01337" name = "l01337" > < / a > < span class = "lineno" > 1337< / span > {< / div >
< div class = "line" > < a id = "l01338" name = "l01338" > < / a > < span class = "lineno" > 1338< / span > < span class = "keywordflow" > for< / span > (uint16_t j = 0; j < i; j++) free(shards[j]);< / div >
< div class = "line" > < a id = "l01339" name = "l01339" > < / a > < span class = "lineno" > 1339< / span > free(shards); free(present);< / div >
< div class = "line" > < a id = "l01340" name = "l01340" > < / a > < span class = "lineno" > 1340< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01341" name = "l01341" > < / a > < span class = "lineno" > 1341< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ;< / div >
< div class = "line" > < a id = "l01342" name = "l01342" > < / a > < span class = "lineno" > 1342< / span > }< / div >
< div class = "line" > < a id = "l01343" name = "l01343" > < / a > < span class = "lineno" > 1343< / span > }< / div >
< div class = "line" > < a id = "l01344" name = "l01344" > < / a > < span class = "lineno" > 1344< / span > < / div >
< div class = "line" > < a id = "l01345" name = "l01345" > < / a > < span class = "lineno" > 1345< / span > < span class = "comment" > /* Read data shards from file and verify each one' s CRC64 against ECMB */< / span > < / div >
< div class = "line" > < a id = "l01346" name = "l01346" > < / a > < span class = "lineno" > 1346< / span > < span class = "keywordflow" > for< / span > (uint16_t k = 0; k < stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > ; k++)< / div >
< div class = "line" > < a id = "l01347" name = "l01347" > < / a > < span class = "lineno" > 1347< / span > {< / div >
< div class = "line" > < a id = "l01348" name = "l01348" > < / a > < span class = "lineno" > 1348< / span > < a class = "code hl_struct" href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > *de = & stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > data_entries< / a > [k];< / div >
< div class = "line" > < a id = "l01349" name = "l01349" > < / a > < span class = "lineno" > 1349< / span > uint32_t read_size = de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > ;< / div >
< div class = "line" > < a id = "l01350" name = "l01350" > < / a > < span class = "lineno" > 1350< / span > < span class = "keywordflow" > if< / span > (read_size > shard_size) read_size = shard_size;< / div >
< div class = "line" > < a id = "l01351" name = "l01351" > < / a > < span class = "lineno" > 1351< / span > < / div >
< div class = "line" > < a id = "l01352" name = "l01352" > < / a > < span class = "lineno" > 1352< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > offset< / a > , SEEK_SET);< / div >
< div class = "line" > < a id = "l01353" name = "l01353" > < / a > < span class = "lineno" > 1353< / span > < span class = "keywordflow" > if< / span > (fread(shards[k], read_size, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1)< / div >
< div class = "line" > < a id = "l01354" name = "l01354" > < / a > < span class = "lineno" > 1354< / span > {< / div >
< div class = "line" > < a id = "l01355" name = "l01355" > < / a > < span class = "lineno" > 1355< / span > present[k] = 0;< / div >
< div class = "line" > < a id = "l01356" name = "l01356" > < / a > < span class = "lineno" > 1356< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01357" name = "l01357" > < / a > < span class = "lineno" > 1357< / span > }< / div >
< div class = "line" > < a id = "l01358" name = "l01358" > < / a > < span class = "lineno" > 1358< / span > < / div >
< div class = "line" > < a id = "l01359" name = "l01359" > < / a > < span class = "lineno" > 1359< / span > < span class = "comment" > /* Verify CRC64 over actual on-disk size (not shard_size) */< / span > < / div >
< div class = "line" > < a id = "l01360" name = "l01360" > < / a > < span class = "lineno" > 1360< / span > uint64_t crc = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (shards[k], de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > onDiskSize< / a > );< / div >
< div class = "line" > < a id = "l01361" name = "l01361" > < / a > < span class = "lineno" > 1361< / span > present[k] = (crc == de-> < a class = "code hl_variable" href = "structStripeDataBlockEntry.html#af85494afc772fe1469927c826e24a1b2" > shardCrc64< / a > ) ? 1 : 0;< / div >
< div class = "line" > < a id = "l01362" name = "l01362" > < / a > < span class = "lineno" > 1362< / span > }< / div >
< div class = "line" > < a id = "l01363" name = "l01363" > < / a > < span class = "lineno" > 1363< / span > < / div >
< div class = "line" > < a id = "l01364" name = "l01364" > < / a > < span class = "lineno" > 1364< / span > < span class = "comment" > /* Positions actual_k..K-1 are all-zero and present (unused stripe positions) */< / span > < / div >
< div class = "line" > < a id = "l01365" name = "l01365" > < / a > < span class = "lineno" > 1365< / span > < span class = "keywordflow" > for< / span > (uint16_t k = stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > actual_k< / a > ; k < K; k++)< / div >
< div class = "line" > < a id = "l01366" name = "l01366" > < / a > < span class = "lineno" > 1366< / span > present[k] = 1; < span class = "comment" > /* All-zero shards, implicitly correct */< / span > < / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01367" name = "l01367" > < / a > < span class = "lineno" > 1367< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01368" name = "l01368" > < / a > < span class = "lineno" > 1368< / span > < span class = "comment" > /* Read parity shards */< / span > < / div >
< div class = "line" > < a id = "l01369" name = "l01369" > < / a > < span class = "lineno" > 1369< / span > < span class = "keywordflow" > for< / span > (uint16_t m = 0; m < M; m++)< / div >
< div class = "line" > < a id = "l01370" name = "l01370" > < / a > < span class = "lineno" > 1370< / span > {< / div >
< div class = "line" > < a id = "l01371" name = "l01371" > < / a > < span class = "lineno" > 1371< / span > uint16_t shard_idx = K + m;< / div >
< div class = "line" > < a id = "l01372" name = "l01372" > < / a > < span class = "lineno" > 1372< / span > uint64_t parity_offset = stripe-> < a class = "code hl_variable" href = "structEcReadStripe.html#ac88d41411a685f4b7fbecb69d179ec3f" > parity_offsets< / a > [m];< / div >
2026-04-11 23:17:09 +01:00
< div class = "line" > < a id = "l01373" name = "l01373" > < / a > < span class = "lineno" > 1373< / span > < / div >
2026-10-08 20:15:08 +01:00
< div class = "line" > < a id = "l01374" name = "l01374" > < / a > < span class = "lineno" > 1374< / span > < a class = "code hl_function" href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > (ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > , (< a class = "code hl_typedef" href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > )parity_offset, SEEK_SET);< / div >
< div class = "line" > < a id = "l01375" name = "l01375" > < / a > < span class = "lineno" > 1375< / span > < / div >
< div class = "line" > < a id = "l01376" name = "l01376" > < / a > < span class = "lineno" > 1376< / span > < span class = "comment" > /* Read parity block header */< / span > < / div >
< div class = "line" > < a id = "l01377" name = "l01377" > < / a > < span class = "lineno" > 1377< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > parity_header;< / div >
< div class = "line" > < a id = "l01378" name = "l01378" > < / a > < span class = "lineno" > 1378< / span > < span class = "keywordflow" > if< / span > (fread(& parity_header, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ), 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1)< / div >
< div class = "line" > < a id = "l01379" name = "l01379" > < / a > < span class = "lineno" > 1379< / span > {< / div >
< div class = "line" > < a id = "l01380" name = "l01380" > < / a > < span class = "lineno" > 1380< / span > present[shard_idx] = 0;< / div >
< div class = "line" > < a id = "l01381" name = "l01381" > < / a > < span class = "lineno" > 1381< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01382" name = "l01382" > < / a > < span class = "lineno" > 1382< / span > }< / div >
< div class = "line" > < a id = "l01383" name = "l01383" > < / a > < span class = "lineno" > 1383< / span > < / div >
< div class = "line" > < a id = "l01384" name = "l01384" > < / a > < span class = "lineno" > 1384< / span > < span class = "comment" > /* Read and decompress parity payload */< / span > < / div >
< div class = "line" > < a id = "l01385" name = "l01385" > < / a > < span class = "lineno" > 1385< / span > < span class = "keywordflow" > if< / span > (parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > kCompressionNone< / a > )< / div >
< div class = "line" > < a id = "l01386" name = "l01386" > < / a > < span class = "lineno" > 1386< / span > {< / div >
< div class = "line" > < a id = "l01387" name = "l01387" > < / a > < span class = "lineno" > 1387< / span > uint32_t to_read = parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > ;< / div >
< div class = "line" > < a id = "l01388" name = "l01388" > < / a > < span class = "lineno" > 1388< / span > < span class = "keywordflow" > if< / span > (to_read > shard_size) to_read = shard_size;< / div >
< div class = "line" > < a id = "l01389" name = "l01389" > < / a > < span class = "lineno" > 1389< / span > < span class = "keywordflow" > if< / span > (fread(shards[shard_idx], to_read, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1)< / div >
< div class = "line" > < a id = "l01390" name = "l01390" > < / a > < span class = "lineno" > 1390< / span > {< / div >
< div class = "line" > < a id = "l01391" name = "l01391" > < / a > < span class = "lineno" > 1391< / span > present[shard_idx] = 0;< / div >
< div class = "line" > < a id = "l01392" name = "l01392" > < / a > < span class = "lineno" > 1392< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01393" name = "l01393" > < / a > < span class = "lineno" > 1393< / span > }< / div >
< div class = "line" > < a id = "l01394" name = "l01394" > < / a > < span class = "lineno" > 1394< / span > }< / div >
< div class = "line" > < a id = "l01395" name = "l01395" > < / a > < span class = "lineno" > 1395< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a66b049c2b816874ab71b06cebf5afcd7" > kCompressionLzma< / a > )< / div >
< div class = "line" > < a id = "l01396" name = "l01396" > < / a > < span class = "lineno" > 1396< / span > {< / div >
< div class = "line" > < a id = "l01397" name = "l01397" > < / a > < span class = "lineno" > 1397< / span > uint32_t cmp_data_len = parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > - < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ;< / div >
< div class = "line" > < a id = "l01398" name = "l01398" > < / a > < span class = "lineno" > 1398< / span > uint8_t lzma_props[< a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ];< / div >
< div class = "line" > < a id = "l01399" name = "l01399" > < / a > < span class = "lineno" > 1399< / span > < span class = "keywordflow" > if< / span > (fread(lzma_props, < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > , 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1 )< / div >
< div class = "line" > < a id = "l01400" name = "l01400" > < / a > < span class = "lineno" > 1400< / span > {< / div >
< div class = "line" > < a id = "l01401" name = "l01401" > < / a > < span class = "lineno" > 1401< / span > present[shard_idx] = 0;< / div >
< div class = "line" > < a id = "l01402" name = "l01402" > < / a > < span class = "lineno" > 1402< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01403" name = "l01403" > < / a > < span class = "lineno" > 1403< / span > }< / div >
< div class = "line" > < a id = "l01404" name = "l01404" > < / a > < span class = "lineno" > 1404< / span > uint8_t *cmp = (uint8_t *)malloc(cmp_data_len);< / div >
< div class = "line" > < a id = "l01405" name = "l01405" > < / a > < span class = "lineno" > 1405< / span > < span class = "keywordflow" > if< / span > (!cmp) { present[shard_idx] = 0; < span class = "keywordflow" > continue< / span > ; }< / div >
< div class = "line" > < a id = "l01406" name = "l01406" > < / a > < span class = "lineno" > 1406< / span > < span class = "keywordflow" > if< / span > (fread(cmp, cmp_data_len, 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1) { free(cmp); present[shard_idx] = 0; < span class = "keywordflow" > continue< / span > ; }< / div >
< div class = "line" > < a id = "l01407" name = "l01407" > < / a > < span class = "lineno" > 1407< / span > < / div >
< div class = "line" > < a id = "l01408" name = "l01408" > < / a > < span class = "lineno" > 1408< / span > < span class = "keywordtype" > size_t< / span > out_size = shard_size;< / div >
< div class = "line" > < a id = "l01409" name = "l01409" > < / a > < span class = "lineno" > 1409< / span > < span class = "keywordtype" > size_t< / span > lzma_src = (size_t)cmp_data_len;< / div >
< div class = "line" > < a id = "l01410" name = "l01410" > < / a > < span class = "lineno" > 1410< / span > < a class = "code hl_function" href = "decls_8h.html#a12f3cbc43c2f57a11fbba32a71ba2704" > aaruf_lzma_decode_buffer< / a > (shards[shard_idx], & out_size, cmp, & lzma_src, lzma_props, < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > );< / div >
< div class = "line" > < a id = "l01411" name = "l01411" > < / a > < span class = "lineno" > 1411< / span > free(cmp);< / div >
< div class = "line" > < a id = "l01412" name = "l01412" > < / a > < span class = "lineno" > 1412< / span > }< / div >
< div class = "line" > < a id = "l01413" name = "l01413" > < / a > < span class = "lineno" > 1413< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6ee0deaccf9cd167806cc479afffc0cc" > kCompressionZstd< / a > )< / div >
< div class = "line" > < a id = "l01414" name = "l01414" > < / a > < span class = "lineno" > 1414< / span > {< / div >
< div class = "line" > < a id = "l01415" name = "l01415" > < / a > < span class = "lineno" > 1415< / span > uint8_t *cmp = (uint8_t *)malloc(parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > );< / div >
< div class = "line" > < a id = "l01416" name = "l01416" > < / a > < span class = "lineno" > 1416< / span > < span class = "keywordflow" > if< / span > (!cmp) { present[shard_idx] = 0; < span class = "keywordflow" > continue< / span > ; }< / div >
< div class = "line" > < a id = "l01417" name = "l01417" > < / a > < span class = "lineno" > 1417< / span > < span class = "keywordflow" > if< / span > (fread(cmp, parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > , 1, ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > imageStream< / a > ) != 1) { free(cmp); present[shard_idx] = 0; < span class = "keywordflow" > continue< / span > ; }< / div >
< div class = "line" > < a id = "l01418" name = "l01418" > < / a > < span class = "lineno" > 1418< / span > < / div >
< div class = "line" > < a id = "l01419" name = "l01419" > < / a > < span class = "lineno" > 1419< / span > < a class = "code hl_function" href = "decls_8h.html#ac0f8004dbea44979bf8b58c3e3a1a6ae" > aaruf_zstd_decode_buffer< / a > (shards[shard_idx], shard_size, cmp, parity_header.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > );< / div >
< div class = "line" > < a id = "l01420" name = "l01420" > < / a > < span class = "lineno" > 1420< / span > free(cmp);< / div >
< div class = "line" > < a id = "l01421" name = "l01421" > < / a > < span class = "lineno" > 1421< / span > }< / div >
< div class = "line" > < a id = "l01422" name = "l01422" > < / a > < span class = "lineno" > 1422< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l01423" name = "l01423" > < / a > < span class = "lineno" > 1423< / span > {< / div >
< div class = "line" > < a id = "l01424" name = "l01424" > < / a > < span class = "lineno" > 1424< / span > present[shard_idx] = 0;< / div >
< div class = "line" > < a id = "l01425" name = "l01425" > < / a > < span class = "lineno" > 1425< / span > < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a id = "l01426" name = "l01426" > < / a > < span class = "lineno" > 1426< / span > }< / div >
< div class = "line" > < a id = "l01427" name = "l01427" > < / a > < span class = "lineno" > 1427< / span > present[shard_idx] = 1;< / div >
< div class = "line" > < a id = "l01428" name = "l01428" > < / a > < span class = "lineno" > 1428< / span > }< / div >
< div class = "line" > < a id = "l01429" name = "l01429" > < / a > < span class = "lineno" > 1429< / span > < / div >
< div class = "line" > < a id = "l01430" name = "l01430" > < / a > < span class = "lineno" > 1430< / span > < span class = "comment" > /* Always use the original RS(K,M) codec — partial stripes have zero-padded unused positions */< / span > < / div >
< div class = "line" > < a id = "l01431" name = "l01431" > < / a > < span class = "lineno" > 1431< / span > < a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *rs = (< a class = "code hl_struct" href = "structrs__context.html" > rs_context< / a > *)ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > ec_rs_ctx< / a > ;< / div >
< div class = "line" > < a id = "l01432" name = "l01432" > < / a > < span class = "lineno" > 1432< / span > < span class = "keywordflow" > if< / span > (!rs)< / div >
< div class = "line" > < a id = "l01433" name = "l01433" > < / a > < span class = "lineno" > 1433< / span > {< / div >
< div class = "line" > < a id = "l01434" name = "l01434" > < / a > < span class = "lineno" > 1434< / span > < span class = "keywordflow" > for< / span > (uint16_t i = 0; i < total_shards; i++) free(shards[i]);< / div >
< div class = "line" > < a id = "l01435" name = "l01435" > < / a > < span class = "lineno" > 1435< / span > free(shards); free(present);< / div >
< div class = "line" > < a id = "l01436" name = "l01436" > < / a > < span class = "lineno" > 1436< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01437" name = "l01437" > < / a > < span class = "lineno" > 1437< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > ;< / div >
< div class = "line" > < a id = "l01438" name = "l01438" > < / a > < span class = "lineno" > 1438< / span > }< / div >
< div class = "line" > < a id = "l01439" name = "l01439" > < / a > < span class = "lineno" > 1439< / span > < / div >
< div class = "line" > < a id = "l01440" name = "l01440" > < / a > < span class = "lineno" > 1440< / span > < span class = "comment" > /* RS decode */< / span > < / div >
< div class = "line" > < a id = "l01441" name = "l01441" > < / a > < span class = "lineno" > 1441< / span > < span class = "keywordtype" > int< / span > rc = < a class = "code hl_function" href = "reed__solomon_8c.html#aea0122b72cfa6f77a4751d5466e73024" > rs_decode< / a > (rs, shards, present, shard_size);< / div >
< div class = "line" > < a id = "l01442" name = "l01442" > < / a > < span class = "lineno" > 1442< / span > < / div >
< div class = "line" > < a id = "l01443" name = "l01443" > < / a > < span class = "lineno" > 1443< / span > < span class = "keywordflow" > if< / span > (rc != 0)< / div >
< div class = "line" > < a id = "l01444" name = "l01444" > < / a > < span class = "lineno" > 1444< / span > {< / div >
< div class = "line" > < a id = "l01445" name = "l01445" > < / a > < span class = "lineno" > 1445< / span > < span class = "keywordflow" > for< / span > (uint16_t i = 0; i < total_shards; i++) free(shards[i]);< / div >
< div class = "line" > < a id = "l01446" name = "l01446" > < / a > < span class = "lineno" > 1446< / span > free(shards); free(present);< / div >
< div class = "line" > < a id = "l01447" name = "l01447" > < / a > < span class = "lineno" > 1447< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01448" name = "l01448" > < / a > < span class = "lineno" > 1448< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_define" href = "errors_8h.html#ac9f4e38e8d5a1f940c9cd0c7f6788c37" > AARUF_ERROR_CANNOT_DECOMPRESS_BLOCK< / a > ;< / div >
< div class = "line" > < a id = "l01449" name = "l01449" > < / a > < span class = "lineno" > 1449< / span > }< / div >
< div class = "line" > < a id = "l01450" name = "l01450" > < / a > < span class = "lineno" > 1450< / span > < / div >
< div class = "line" > < a id = "l01451" name = "l01451" > < / a > < span class = "lineno" > 1451< / span > < span class = "comment" > /* Find the shard corresponding to our corrupted block */< / span > < / div >
< div class = "line" > < a id = "l01452" name = "l01452" > < / a > < span class = "lineno" > 1452< / span > uint16_t our_pos = le-> < a class = "code hl_variable" href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > position< / a > ;< / div >
< div class = "line" > < a id = "l01453" name = "l01453" > < / a > < span class = "lineno" > 1453< / span > uint8_t *recovered_shard = shards[our_pos];< / div >
< div class = "line" > < a id = "l01454" name = "l01454" > < / a > < span class = "lineno" > 1454< / span > < / div >
< div class = "line" > < a id = "l01455" name = "l01455" > < / a > < span class = "lineno" > 1455< / span > < span class = "comment" > /* Parse the recovered BlockHeader */< / span > < / div >
< div class = "line" > < a id = "l01456" name = "l01456" > < / a > < span class = "lineno" > 1456< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > recovered_header;< / div >
< div class = "line" > < a id = "l01457" name = "l01457" > < / a > < span class = "lineno" > 1457< / span > memcpy(& recovered_header, recovered_shard, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ));< / div >
< div class = "line" > < a id = "l01458" name = "l01458" > < / a > < span class = "lineno" > 1458< / span > < / div >
< div class = "line" > < a id = "l01459" name = "l01459" > < / a > < span class = "lineno" > 1459< / span > < span class = "comment" > /* Decompress the recovered payload */< / span > < / div >
< div class = "line" > < a id = "l01460" name = "l01460" > < / a > < span class = "lineno" > 1460< / span > uint32_t hdr_size = < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > );< / div >
< div class = "line" > < a id = "l01461" name = "l01461" > < / a > < span class = "lineno" > 1461< / span > uint8_t *recovered_payload = recovered_shard + hdr_size;< / div >
< div class = "line" > < a id = "l01462" name = "l01462" > < / a > < span class = "lineno" > 1462< / span > uint32_t payload_len = recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > cmpLength< / a > ;< / div >
< div class = "line" > < a id = "l01463" name = "l01463" > < / a > < span class = "lineno" > 1463< / span > < / div >
< div class = "line" > < a id = "l01464" name = "l01464" > < / a > < span class = "lineno" > 1464< / span > uint8_t *block = NULL;< / div >
< div class = "line" > < a id = "l01465" name = "l01465" > < / a > < span class = "lineno" > 1465< / span > < / div >
< div class = "line" > < a id = "l01466" name = "l01466" > < / a > < span class = "lineno" > 1466< / span > < span class = "keywordflow" > if< / span > (recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > kCompressionNone< / a > )< / div >
< div class = "line" > < a id = "l01467" name = "l01467" > < / a > < span class = "lineno" > 1467< / span > {< / div >
< div class = "line" > < a id = "l01468" name = "l01468" > < / a > < span class = "lineno" > 1468< / span > block = (uint8_t *)malloc(recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > );< / div >
< div class = "line" > < a id = "l01469" name = "l01469" > < / a > < span class = "lineno" > 1469< / span > < span class = "keywordflow" > if< / span > (block) memcpy(block, recovered_payload, recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > );< / div >
< div class = "line" > < a id = "l01470" name = "l01470" > < / a > < span class = "lineno" > 1470< / span > }< / div >
< div class = "line" > < a id = "l01471" name = "l01471" > < / a > < span class = "lineno" > 1471< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a66b049c2b816874ab71b06cebf5afcd7" > kCompressionLzma< / a > )< / div >
< div class = "line" > < a id = "l01472" name = "l01472" > < / a > < span class = "lineno" > 1472< / span > {< / div >
< div class = "line" > < a id = "l01473" name = "l01473" > < / a > < span class = "lineno" > 1473< / span > uint8_t *lzma_props = recovered_payload;< / div >
< div class = "line" > < a id = "l01474" name = "l01474" > < / a > < span class = "lineno" > 1474< / span > uint8_t *lzma_data = recovered_payload + < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ;< / div >
< div class = "line" > < a id = "l01475" name = "l01475" > < / a > < span class = "lineno" > 1475< / span > uint32_t lzma_data_len = payload_len - < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > ;< / div >
< div class = "line" > < a id = "l01476" name = "l01476" > < / a > < span class = "lineno" > 1476< / span > < / div >
< div class = "line" > < a id = "l01477" name = "l01477" > < / a > < span class = "lineno" > 1477< / span > block = (uint8_t *)malloc(recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > );< / div >
< div class = "line" > < a id = "l01478" name = "l01478" > < / a > < span class = "lineno" > 1478< / span > < span class = "keywordflow" > if< / span > (block)< / div >
< div class = "line" > < a id = "l01479" name = "l01479" > < / a > < span class = "lineno" > 1479< / span > {< / div >
< div class = "line" > < a id = "l01480" name = "l01480" > < / a > < span class = "lineno" > 1480< / span > < span class = "keywordtype" > size_t< / span > out_size = recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > ;< / div >
< div class = "line" > < a id = "l01481" name = "l01481" > < / a > < span class = "lineno" > 1481< / span > < span class = "keywordtype" > size_t< / span > lzma_src2 = (size_t)lzma_data_len;< / div >
< div class = "line" > < a id = "l01482" name = "l01482" > < / a > < span class = "lineno" > 1482< / span > < a class = "code hl_function" href = "decls_8h.html#a12f3cbc43c2f57a11fbba32a71ba2704" > aaruf_lzma_decode_buffer< / a > (block, & out_size, lzma_data, & lzma_src2, lzma_props, < a class = "code hl_define" href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > );< / div >
< div class = "line" > < a id = "l01483" name = "l01483" > < / a > < span class = "lineno" > 1483< / span > }< / div >
< div class = "line" > < a id = "l01484" name = "l01484" > < / a > < span class = "lineno" > 1484< / span > }< / div >
< div class = "line" > < a id = "l01485" name = "l01485" > < / a > < span class = "lineno" > 1485< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263a6ee0deaccf9cd167806cc479afffc0cc" > kCompressionZstd< / a > )< / div >
< div class = "line" > < a id = "l01486" name = "l01486" > < / a > < span class = "lineno" > 1486< / span > {< / div >
< div class = "line" > < a id = "l01487" name = "l01487" > < / a > < span class = "lineno" > 1487< / span > block = (uint8_t *)malloc(recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > );< / div >
< div class = "line" > < a id = "l01488" name = "l01488" > < / a > < span class = "lineno" > 1488< / span > < span class = "keywordflow" > if< / span > (block)< / div >
< div class = "line" > < a id = "l01489" name = "l01489" > < / a > < span class = "lineno" > 1489< / span > < a class = "code hl_function" href = "decls_8h.html#ac0f8004dbea44979bf8b58c3e3a1a6ae" > aaruf_zstd_decode_buffer< / a > (block, recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > , recovered_payload, payload_len);< / div >
< div class = "line" > < a id = "l01490" name = "l01490" > < / a > < span class = "lineno" > 1490< / span > }< / div >
< div class = "line" > < a id = "l01491" name = "l01491" > < / a > < span class = "lineno" > 1491< / span > < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > compression< / a > == < a class = "code hl_enumvalue" href = "enums_8h.html#affec749ed88365143745313ae9168263ab68094bb67edceda03f5044de1e54428" > kCompressionFlac< / a > )< / div >
< div class = "line" > < a id = "l01492" name = "l01492" > < / a > < span class = "lineno" > 1492< / span > {< / div >
< div class = "line" > < a id = "l01493" name = "l01493" > < / a > < span class = "lineno" > 1493< / span > block = (uint8_t *)malloc(recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > );< / div >
< div class = "line" > < a id = "l01494" name = "l01494" > < / a > < span class = "lineno" > 1494< / span > < span class = "keywordflow" > if< / span > (block)< / div >
< div class = "line" > < a id = "l01495" name = "l01495" > < / a > < span class = "lineno" > 1495< / span > < a class = "code hl_function" href = "decls_8h.html#af0ff6ad1495d50a8fa0ce0005be69471" > aaruf_flac_decode_redbook_buffer< / a > (block, recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > , recovered_payload, payload_len);< / div >
< div class = "line" > < a id = "l01496" name = "l01496" > < / a > < span class = "lineno" > 1496< / span > }< / div >
< div class = "line" > < a id = "l01497" name = "l01497" > < / a > < span class = "lineno" > 1497< / span > < / div >
< div class = "line" > < a id = "l01498" name = "l01498" > < / a > < span class = "lineno" > 1498< / span > int32_t result = < a class = "code hl_define" href = "errors_8h.html#ac9f4e38e8d5a1f940c9cd0c7f6788c37" > AARUF_ERROR_CANNOT_DECOMPRESS_BLOCK< / a > ;< / div >
< div class = "line" > < a id = "l01499" name = "l01499" > < / a > < span class = "lineno" > 1499< / span > < / div >
< div class = "line" > < a id = "l01500" name = "l01500" > < / a > < span class = "lineno" > 1500< / span > < span class = "keywordflow" > if< / span > (block)< / div >
< div class = "line" > < a id = "l01501" name = "l01501" > < / a > < span class = "lineno" > 1501< / span > {< / div >
< div class = "line" > < a id = "l01502" name = "l01502" > < / a > < span class = "lineno" > 1502< / span > < span class = "comment" > /* Verify recovered uncompressed data CRC64 */< / span > < / div >
< div class = "line" > < a id = "l01503" name = "l01503" > < / a > < span class = "lineno" > 1503< / span > uint64_t block_crc = < a class = "code hl_function" href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > (block, recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > );< / div >
< div class = "line" > < a id = "l01504" name = "l01504" > < / a > < span class = "lineno" > 1504< / span > < span class = "keywordflow" > if< / span > (block_crc == recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#ab4d9e3a871e0c7f12a881017dac4ca12" > crc64< / a > )< / div >
< div class = "line" > < a id = "l01505" name = "l01505" > < / a > < span class = "lineno" > 1505< / span > {< / div >
< div class = "line" > < a id = "l01506" name = "l01506" > < / a > < span class = "lineno" > 1506< / span > < span class = "comment" > /* Extract the requested sector */< / span > < / div >
< div class = "line" > < a id = "l01507" name = "l01507" > < / a > < span class = "lineno" > 1507< / span > uint32_t sector_size = recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a5bd50f95c8c1f91e5013a1a154690beb" > sectorSize< / a > ;< / div >
< div class = "line" > < a id = "l01508" name = "l01508" > < / a > < span class = "lineno" > 1508< / span > < span class = "keywordflow" > if< / span > (sector_size > 0 & & offset * sector_size + sector_size < = recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > )< / div >
< div class = "line" > < a id = "l01509" name = "l01509" > < / a > < span class = "lineno" > 1509< / span > {< / div >
< div class = "line" > < a id = "l01510" name = "l01510" > < / a > < span class = "lineno" > 1510< / span > memcpy(data, block + offset * sector_size, sector_size);< / div >
< div class = "line" > < a id = "l01511" name = "l01511" > < / a > < span class = "lineno" > 1511< / span > *length = sector_size;< / div >
< div class = "line" > < a id = "l01512" name = "l01512" > < / a > < span class = "lineno" > 1512< / span > result = < a class = "code hl_define" href = "errors_8h.html#a1d6e49f7e8a1fa489efa0a582e90b5de" > AARUF_STATUS_OK< / a > ;< / div >
< div class = "line" > < a id = "l01513" name = "l01513" > < / a > < span class = "lineno" > 1513< / span > < / div >
< div class = "line" > < a id = "l01514" name = "l01514" > < / a > < span class = "lineno" > 1514< / span > < span class = "comment" > /* Cache the recovered block so subsequent sector reads from the same< / span > < / div >
< div class = "line" > < a id = "l01515" name = "l01515" > < / a > < span class = "lineno" > 1515< / span > < span class = "comment" > * block don' t re-trigger recovery (this is the critical optimization). */< / span > < / div >
< div class = "line" > < a id = "l01516" name = "l01516" > < / a > < span class = "lineno" > 1516< / span > < a class = "code hl_function" href = "lru_8h.html#a4c0693df23b76b54750218753a748223" > add_to_cache_uint64< / a > (& ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a58359ec8607d1d10e0af8699be238e77" > block_cache< / a > , block_offset, block, recovered_header.< a class = "code hl_variable" href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > length< / a > );< / div >
< div class = "line" > < a id = "l01517" name = "l01517" > < / a > < span class = "lineno" > 1517< / span > < / div >
< div class = "line" > < a id = "l01518" name = "l01518" > < / a > < span class = "lineno" > 1518< / span > < span class = "comment" > /* Also cache the recovered BlockHeader */< / span > < / div >
< div class = "line" > < a id = "l01519" name = "l01519" > < / a > < span class = "lineno" > 1519< / span > < a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > *cached_hdr = (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > *)malloc(< span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ));< / div >
< div class = "line" > < a id = "l01520" name = "l01520" > < / a > < span class = "lineno" > 1520< / span > < span class = "keywordflow" > if< / span > (cached_hdr)< / div >
< div class = "line" > < a id = "l01521" name = "l01521" > < / a > < span class = "lineno" > 1521< / span > {< / div >
< div class = "line" > < a id = "l01522" name = "l01522" > < / a > < span class = "lineno" > 1522< / span > memcpy(cached_hdr, & recovered_header, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ));< / div >
< div class = "line" > < a id = "l01523" name = "l01523" > < / a > < span class = "lineno" > 1523< / span > < a class = "code hl_function" href = "lru_8h.html#a4c0693df23b76b54750218753a748223" > add_to_cache_uint64< / a > (& ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3a12addf4a338cc04471709604d48ae1" > block_header_cache< / a > , block_offset, cached_hdr, < span class = "keyword" > sizeof< / span > (< a class = "code hl_struct" href = "structBlockHeader.html" > BlockHeader< / a > ));< / div >
< div class = "line" > < a id = "l01524" name = "l01524" > < / a > < span class = "lineno" > 1524< / span > }< / div >
< div class = "line" > < a id = "l01525" name = "l01525" > < / a > < span class = "lineno" > 1525< / span > < / div >
< div class = "line" > < a id = "l01526" name = "l01526" > < / a > < span class = "lineno" > 1526< / span > block = NULL; < span class = "comment" > /* Ownership transferred to cache — don' t free */< / span > < / div >
< div class = "line" > < a id = "l01527" name = "l01527" > < / a > < span class = "lineno" > 1527< / span > }< / div >
< div class = "line" > < a id = "l01528" name = "l01528" > < / a > < span class = "lineno" > 1528< / span > }< / div >
< div class = "line" > < a id = "l01529" name = "l01529" > < / a > < span class = "lineno" > 1529< / span > free(block); < span class = "comment" > /* Only frees if not transferred to cache */< / span > < / div >
< div class = "line" > < a id = "l01530" name = "l01530" > < / a > < span class = "lineno" > 1530< / span > }< / div >
< div class = "line" > < a id = "l01531" name = "l01531" > < / a > < span class = "lineno" > 1531< / span > < / div >
< div class = "line" > < a id = "l01532" name = "l01532" > < / a > < span class = "lineno" > 1532< / span > < span class = "keywordflow" > for< / span > (uint16_t i = 0; i < total_shards; i++) free(shards[i]);< / div >
< div class = "line" > < a id = "l01533" name = "l01533" > < / a > < span class = "lineno" > 1533< / span > free(shards);< / div >
< div class = "line" > < a id = "l01534" name = "l01534" > < / a > < span class = "lineno" > 1534< / span > free(present);< / div >
< div class = "line" > < a id = "l01535" name = "l01535" > < / a > < span class = "lineno" > 1535< / span > < / div >
< div class = "line" > < a id = "l01536" name = "l01536" > < / a > < span class = "lineno" > 1536< / span > ctx-> < a class = "code hl_variable" href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > ec_recovery_in_progress< / a > = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01537" name = "l01537" > < / a > < span class = "lineno" > 1537< / span > < span class = "keywordflow" > return< / span > result;< / div >
< div class = "line" > < a id = "l01538" name = "l01538" > < / a > < span class = "lineno" > 1538< / span > }< / div >
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< / div >
< div class = "ttc" id = "aaaruformat_8h_html" > < div class = "ttname" > < a href = "aaruformat_8h.html" > aaruformat.h< / a > < / div > < / div >
< div class = "ttc" id = "aconsts_8h_html" > < div class = "ttname" > < a href = "consts_8h.html" > consts.h< / a > < / div > < div class = "ttdoc" > Core public constants and compile‑ < / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "aconsts_8h_html_a1d7434dbf5927484a6d767b8a27c3cd4" > < div class = "ttname" > < a href = "consts_8h.html#a1d7434dbf5927484a6d767b8a27c3cd4" > AARU_RECOVERY_FOOTER_MAGIC< / a > < / div > < div class = "ttdeci" > #define AARU_RECOVERY_FOOTER_MAGIC< / div > < div class = "ttdoc" > Magic number at the end of the recovery footer: " AVRECMFR" in ASCII little-endian.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "consts_8h_source.html#l00119" > consts.h:119< / a > < / div > < / div >
< div class = "ttc" id = "aconsts_8h_html_a25fd08252b97a0230d3efc899bddd240" > < div class = "ttname" > < a href = "consts_8h.html#a25fd08252b97a0230d3efc899bddd240" > LZMA_PROPERTIES_LENGTH< / a > < / div > < div class = "ttdeci" > #define LZMA_PROPERTIES_LENGTH< / div > < div class = "ttdoc" > Size in bytes of the fixed LZMA properties header (lc/lp/pb + dictionary size).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "consts_8h_source.html#l00086" > consts.h:86< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "aconsts_8h_html_a3c3ba66fe2b547655c9e4b16a1ba519a" > < div class = "ttname" > < a href = "consts_8h.html#a3c3ba66fe2b547655c9e4b16a1ba519a" > AARU_MAGIC< / a > < / div > < div class = "ttdeci" > #define AARU_MAGIC< / div > < div class = "ttdoc" > Magic identifier for AaruFormat container (ASCII " AARUFRMT" ).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "consts_8h_source.html#l00064" > consts.h:64< / a > < / div > < / div >
< div class = "ttc" id = "acontext_8h_html" > < div class = "ttname" > < a href = "context_8h.html" > context.h< / a > < / div > < div class = "ttdoc" > Central runtime context structures for libaaruformat (image state, caches, checksum buffers).< / div > < / div >
< div class = "ttc" id = "adata_8h_html" > < div class = "ttname" > < a href = "data_8h.html" > data.h< / a > < / div > < div class = "ttdoc" > On-disk layout structures for data-bearing and geometry blocks.< / div > < / div >
< div class = "ttc" id = "addt_8h_html" > < div class = "ttname" > < a href = "ddt_8h.html" > ddt.h< / a > < / div > < div class = "ttdoc" > On-disk headers for Deduplication Data Tables (DDT) versions 1 and 2.< / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a018e0da1c1f7e4f6187a982c0e40e056" > < div class = "ttname" > < a href = "decls_8h.html#a018e0da1c1f7e4f6187a982c0e40e056" > AARU_CALL< / a > < / div > < div class = "ttdeci" > #define AARU_CALL< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "decls_8h_source.html#l00046" > decls.h:46< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a0fee4834bf0747bcd933c4e754aa4692" > < div class = "ttname" > < a href = "decls_8h.html#a0fee4834bf0747bcd933c4e754aa4692" > aaruf_crc64_data< / a > < / div > < div class = "ttdeci" > uint64_t aaruf_crc64_data(const uint8_t *data, uint32_t len)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "crc64_8c_source.html#l00160" > crc64.c:160< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a12f3cbc43c2f57a11fbba32a71ba2704" > < div class = "ttname" > < a href = "decls_8h.html#a12f3cbc43c2f57a11fbba32a71ba2704" > aaruf_lzma_decode_buffer< / a > < / div > < div class = "ttdeci" > int32_t aaruf_lzma_decode_buffer(uint8_t *dst_buffer, size_t *dst_size, const uint8_t *src_buffer, size_t *src_size, const uint8_t *props, size_t props_size)< / div > < div class = "ttdoc" > Decodes an LZMA-compressed buffer.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "lzma_8c_source.html#l00039" > lzma.c:39< / a > < / div > < / div >
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< div class = "ttc" id = "adecls_8h_html_a51fe2ca1a6eabf109f0cfc4b3223508b" > < div class = "ttname" > < a href = "decls_8h.html#a51fe2ca1a6eabf109f0cfc4b3223508b" > aaruf_set_erasure_coding_auto< / a > < / div > < div class = "ttdeci" > int32_t aaruf_set_erasure_coding_auto(void *context, uint8_t recovery_percent)< / div > < div class = "ttdoc" > Configure erasure coding from a desired recovery percentage.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00174" > erasure.c:174< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_a8b0f3ab93ca60ce00321ca28c2484c7c" > < div class = "ttname" > < a href = "decls_8h.html#a8b0f3ab93ca60ce00321ca28c2484c7c" > aaruf_set_erasure_coding< / a > < / div > < div class = "ttdeci" > int32_t aaruf_set_erasure_coding(void *context, uint8_t algorithm, uint16_t K, uint16_t M)< / div > < div class = "ttdoc" > Configure erasure coding for a newly created image.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00082" > erasure.c:82< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "adecls_8h_html_a9001412c35f3c92d3a9320d27b0d97f9" > < div class = "ttname" > < a href = "decls_8h.html#a9001412c35f3c92d3a9320d27b0d97f9" > AARU_EXPORT< / a > < / div > < div class = "ttdeci" > #define AARU_EXPORT< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "decls_8h_source.html#l00055" > decls.h:55< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_ac0f8004dbea44979bf8b58c3e3a1a6ae" > < div class = "ttname" > < a href = "decls_8h.html#ac0f8004dbea44979bf8b58c3e3a1a6ae" > aaruf_zstd_decode_buffer< / a > < / div > < div class = "ttdeci" > size_t aaruf_zstd_decode_buffer(uint8_t *dst_buffer, size_t dst_size, const uint8_t *src_buffer, size_t src_size)< / div > < div class = "ttdoc" > Decodes a Zstandard-compressed buffer.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "zstd_8c_source.html#l00034" > zstd.c:34< / a > < / div > < / div >
< div class = "ttc" id = "adecls_8h_html_af0ff6ad1495d50a8fa0ce0005be69471" > < div class = "ttname" > < a href = "decls_8h.html#af0ff6ad1495d50a8fa0ce0005be69471" > aaruf_flac_decode_redbook_buffer< / a > < / div > < div class = "ttdeci" > size_t aaruf_flac_decode_redbook_buffer(uint8_t *dst_buffer, size_t dst_size, const uint8_t *src_buffer, size_t src_size)< / div > < div class = "ttdoc" > Decodes a FLAC-compressed Red Book audio buffer.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "flac_8c_source.html#l00048" > flac.c:48< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html" > < div class = "ttname" > < a href = "enums_8h.html" > enums.h< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a485c1f7093f3c3171ac27404bfb1b03ea5fb086c67288ffec790901b1026b3e0f" > < div class = "ttname" > < a href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03ea5fb086c67288ffec790901b1026b3e0f" > kECGroupMetadata< / a > < / div > < div class = "ttdeci" > @ kECGroupMetadata< / div > < div class = "ttdoc" > Metadata/media tag blocks.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00341" > enums.h:341< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a485c1f7093f3c3171ac27404bfb1b03ea85486aa10ff27c8196e2f063b097679e" > < div class = "ttname" > < a href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03ea85486aa10ff27c8196e2f063b097679e" > kECGroupIndex< / a > < / div > < div class = "ttdeci" > @ kECGroupIndex< / div > < div class = "ttdoc" > Index block (K=1, M replicas).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00342" > enums.h:342< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a485c1f7093f3c3171ac27404bfb1b03eaba5fd72984872e2da8f9adcee83c592a" > < div class = "ttname" > < a href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eaba5fd72984872e2da8f9adcee83c592a" > kECGroupDdtPrimary< / a > < / div > < div class = "ttdeci" > @ kECGroupDdtPrimary< / div > < div class = "ttdoc" > Primary DDT (K=1, M replicas).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00340" > enums.h:340< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a485c1f7093f3c3171ac27404bfb1b03eacca27cc435d2d572b6d740594da18db9" > < div class = "ttname" > < a href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eacca27cc435d2d572b6d740594da18db9" > kECGroupData< / a > < / div > < div class = "ttdeci" > @ kECGroupData< / div > < div class = "ttdoc" > User data blocks (DBLK).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00338" > enums.h:338< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a485c1f7093f3c3171ac27404bfb1b03eaf5acb726ee779a2e93b636a0bee14972" > < div class = "ttname" > < a href = "enums_8h.html#a485c1f7093f3c3171ac27404bfb1b03eaf5acb726ee779a2e93b636a0bee14972" > kECGroupDdtSecondary< / a > < / div > < div class = "ttdeci" > @ kECGroupDdtSecondary< / div > < div class = "ttdoc" > Secondary DDT subtables.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00339" > enums.h:339< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3a318acaf230a8ad091ef405caf7e4f411" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a318acaf230a8ad091ef405caf7e4f411" > IndexBlock3< / a > < / div > < div class = "ttdeci" > @ IndexBlock3< / div > < div class = "ttdoc" > Block containing the index v3.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00171" > enums.h:171< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a5a0811c5ee97536aef900cecb8787713" > DataBlock< / a > < / div > < div class = "ttdeci" > @ DataBlock< / div > < div class = "ttdoc" > Block containing data.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00164" > enums.h:164< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3a6ee3c4c583df36e3dfe796593c1e9439" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a6ee3c4c583df36e3dfe796593c1e9439" > IndexBlock2< / a > < / div > < div class = "ttdeci" > @ IndexBlock2< / div > < div class = "ttdoc" > Block containing the index v2.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00170" > enums.h:170< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3a76b6a78e4e765794c4cca2dde5bfc3fb" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3a76b6a78e4e765794c4cca2dde5bfc3fb" > DeDuplicationTableSecondary< / a > < / div > < div class = "ttdeci" > @ DeDuplicationTableSecondary< / div > < div class = "ttdoc" > Block containing a secondary deduplication table (v2).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00168" > enums.h:168< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3ab8d63dc690b2ba82f066fdc31ab5adad" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3ab8d63dc690b2ba82f066fdc31ab5adad" > IndexBlock< / a > < / div > < div class = "ttdeci" > @ IndexBlock< / div > < div class = "ttdoc" > Block containing the index (v1).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00169" > enums.h:169< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3aba4d0f50b26af1d0292daaa0d70feacf" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3aba4d0f50b26af1d0292daaa0d70feacf" > DeDuplicationTable2< / a > < / div > < div class = "ttdeci" > @ DeDuplicationTable2< / div > < div class = "ttdoc" > Block containing a deduplication table v2.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00166" > enums.h:166< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3ac9f1e20a51c73f238aa322e180c42bd4" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3ac9f1e20a51c73f238aa322e180c42bd4" > DeDuplicationTable< / a > < / div > < div class = "ttdeci" > @ DeDuplicationTable< / div > < div class = "ttdoc" > Block containing a deduplication table (v1).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00165" > enums.h:165< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a54420623f26ab6bb61042b41cccf37a3af9f5bd022e035b2a787279913a85cf19" > < div class = "ttname" > < a href = "enums_8h.html#a54420623f26ab6bb61042b41cccf37a3af9f5bd022e035b2a787279913a85cf19" > ErasureCodingMapBlock< / a > < / div > < div class = "ttdeci" > @ ErasureCodingMapBlock< / div > < div class = "ttdoc" > Block containing erasure coding stripe map and recovery metadata.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00187" > enums.h:187< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a8224cd67a8e4e3d365e0371899c7065fa8b803843c50589f197b6461d1c74ea9b" > < div class = "ttname" > < a href = "enums_8h.html#a8224cd67a8e4e3d365e0371899c7065fa8b803843c50589f197b6461d1c74ea9b" > AARU_FEATURE_ROCOMPAT_ERASURE< / a > < / div > < div class = "ttdeci" > @ AARU_FEATURE_ROCOMPAT_ERASURE< / div > < div class = "ttdoc" > Image contains erasure coding parity blocks and recovery metadata.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00319" > enums.h:319< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a83c99da65804eb80cfb955eb9a15ef5ea80cd481d5fe067366bbde7db7cab4e22" > < div class = "ttname" > < a href = "enums_8h.html#a83c99da65804eb80cfb955eb9a15ef5ea80cd481d5fe067366bbde7db7cab4e22" > kErasureCodingRsVandermonde< / a > < / div > < div class = "ttdeci" > @ kErasureCodingRsVandermonde< / div > < div class = "ttdoc" > Reed-Solomon with Vandermonde generator matrix over GF(2^8).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00329" > enums.h:329< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_a83c99da65804eb80cfb955eb9a15ef5ead3ee61b96379729331df2b6ed04a95a0" > < div class = "ttname" > < a href = "enums_8h.html#a83c99da65804eb80cfb955eb9a15ef5ead3ee61b96379729331df2b6ed04a95a0" > kErasureCodingXor< / a > < / div > < div class = "ttdeci" > @ kErasureCodingXor< / div > < div class = "ttdoc" > Simple XOR parity (M must be 1).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00328" > enums.h:328< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_ad8ed01ff3ff33333d8e19db4d2818bb6a0415d7a4a6fe1e616eecc1a0465c8dd4" > < div class = "ttname" > < a href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a0415d7a4a6fe1e616eecc1a0465c8dd4" > kDataTypeErasureParityDdt< / a > < / div > < div class = "ttdeci" > @ kDataTypeErasureParityDdt< / div > < div class = "ttdoc" > Erasure coding parity shard for DDT secondary blocks.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00152" > enums.h:152< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_ad8ed01ff3ff33333d8e19db4d2818bb6a08a4aa580854c87d64264258bb690bc3" > < div class = "ttname" > < a href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a08a4aa580854c87d64264258bb690bc3" > kDataTypeErasureParityDdtPrimary< / a > < / div > < div class = "ttdeci" > @ kDataTypeErasureParityDdtPrimary< / div > < div class = "ttdoc" > Erasure coding parity replica for DDT primary block.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00153" > enums.h:153< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_ad8ed01ff3ff33333d8e19db4d2818bb6a5069a00563fe1a94724c8f15f463419d" > < div class = "ttname" > < a href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6a5069a00563fe1a94724c8f15f463419d" > kDataTypeErasureParityIndex< / a > < / div > < div class = "ttdeci" > @ kDataTypeErasureParityIndex< / div > < div class = "ttdoc" > Erasure coding parity replica for index block.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00155" > enums.h:155< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_ad8ed01ff3ff33333d8e19db4d2818bb6aa85ba79bd52a96a4ca058718351b06f5" > < div class = "ttname" > < a href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6aa85ba79bd52a96a4ca058718351b06f5" > kDataTypeErasureParityMeta< / a > < / div > < div class = "ttdeci" > @ kDataTypeErasureParityMeta< / div > < div class = "ttdoc" > Erasure coding parity shard for metadata blocks.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00154" > enums.h:154< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_ad8ed01ff3ff33333d8e19db4d2818bb6ace86d5a01f2f20eab66f36b8af9676c2" > < div class = "ttname" > < a href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6ace86d5a01f2f20eab66f36b8af9676c2" > kDataTypeUserData< / a > < / div > < div class = "ttdeci" > @ kDataTypeUserData< / div > < div class = "ttdoc" > User (main) data.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00048" > enums.h:48< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_ad8ed01ff3ff33333d8e19db4d2818bb6adb8752d43e2e151c60d90bb2962d16a6" > < div class = "ttname" > < a href = "enums_8h.html#ad8ed01ff3ff33333d8e19db4d2818bb6adb8752d43e2e151c60d90bb2962d16a6" > kDataTypeErasureParity< / a > < / div > < div class = "ttdeci" > @ kDataTypeErasureParity< / div > < div class = "ttdoc" > Erasure coding parity shard for data blocks.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00151" > enums.h:151< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_af887903d155851fe30d08053c4b2c1b8a2ee503de2bb99eb6a677fd9871a9c44d" > < div class = "ttname" > < a href = "enums_8h.html#af887903d155851fe30d08053c4b2c1b8a2ee503de2bb99eb6a677fd9871a9c44d" > AARUF_STATUS_INVALID_CONTEXT< / a > < / div > < div class = "ttdeci" > @ AARUF_STATUS_INVALID_CONTEXT< / div > < div class = "ttdoc" > Provided context/handle is invalid.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00237" > enums.h:237< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_affec749ed88365143745313ae9168263a66b049c2b816874ab71b06cebf5afcd7" > < div class = "ttname" > < a href = "enums_8h.html#affec749ed88365143745313ae9168263a66b049c2b816874ab71b06cebf5afcd7" > kCompressionLzma< / a > < / div > < div class = "ttdeci" > @ kCompressionLzma< / div > < div class = "ttdoc" > LZMA compression.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00034" > enums.h:34< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > < div class = "ttname" > < a href = "enums_8h.html#affec749ed88365143745313ae9168263a6925460497824fd20caa5ba1925cde84" > kCompressionNone< / a > < / div > < div class = "ttdeci" > @ kCompressionNone< / div > < div class = "ttdoc" > Not compressed.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00033" > enums.h:33< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_affec749ed88365143745313ae9168263a6ee0deaccf9cd167806cc479afffc0cc" > < div class = "ttname" > < a href = "enums_8h.html#affec749ed88365143745313ae9168263a6ee0deaccf9cd167806cc479afffc0cc" > kCompressionZstd< / a > < / div > < div class = "ttdeci" > @ kCompressionZstd< / div > < div class = "ttdoc" > Zstandard compression.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00037" > enums.h:37< / a > < / div > < / div >
< div class = "ttc" id = "aenums_8h_html_affec749ed88365143745313ae9168263ab68094bb67edceda03f5044de1e54428" > < div class = "ttname" > < a href = "enums_8h.html#affec749ed88365143745313ae9168263ab68094bb67edceda03f5044de1e54428" > kCompressionFlac< / a > < / div > < div class = "ttdeci" > @ kCompressionFlac< / div > < div class = "ttdoc" > FLAC compression.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "enums_8h_source.html#l00035" > enums.h:35< / a > < / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "aerasure_8c_html_a1222930aded868b0b0c4eeed13c237e2" > < div class = "ttname" > < a href = "erasure_8c.html#a1222930aded868b0b0c4eeed13c237e2" > ec_collect_blocks_by_type< / a > < / div > < div class = "ttdeci" > static void ec_collect_blocks_by_type(aaruformat_context *ctx, uint32_t block_type, uint64_t **out_offsets, uint32_t **out_sizes, uint32_t *out_count)< / div > < div class = "ttdoc" > Collect file offsets and on-disk sizes for index entries matching a block type.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00537" > erasure.c:537< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "aerasure_8c_html_a1883da545c74667f3438d8e48b195aa1" > < div class = "ttname" > < a href = "erasure_8c.html#a1883da545c74667f3438d8e48b195aa1" > ec_stripe_icd< / a > < / div > < div class = "ttdeci" > static UT_icd ec_stripe_icd< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00065" > erasure.c:65< / a > < / div > < / div >
< div class = "ttc" id = "aerasure_8c_html_a415f83d4f5fbce86adcec87aa368313c" > < div class = "ttname" > < a href = "erasure_8c.html#a415f83d4f5fbce86adcec87aa368313c" > WRITE_GROUP< / a > < / div > < div class = "ttdeci" > #define WRITE_GROUP(desc, desc_len, grp)< / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "aerasure_8c_html_aed80b4dc1f360dbac00a5f73d350bf1a" > < div class = "ttname" > < a href = "erasure_8c.html#aed80b4dc1f360dbac00a5f73d350bf1a" > ec_write_batch_parity< / a > < / div > < div class = "ttdeci" > static void ec_write_batch_parity(aaruformat_context *ctx, const uint64_t *offsets, const uint32_t *sizes, uint32_t block_count, uint8_t group_type, uint16_t parity_data_type, uint8_t **out_desc, size_t *out_desc_len, StripeGroupDescriptor *out_group)< / div > < div class = "ttdoc" > Compute and write batch parity for a set of blocks already on disk.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00439" > erasure.c:439< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "aerasure_8h_html" > < div class = "ttname" > < a href = "erasure_8h.html" > erasure.h< / a > < / div > < div class = "ttdoc" > On-disk structures for erasure coding recovery data.< / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "aerasure__internal_8h_html_a18f424702fcd85725ee26c1cf7e253db" > < div class = "ttname" > < a href = "erasure__internal_8h.html#a18f424702fcd85725ee26c1cf7e253db" > ec_load_ecmb< / a > < / div > < div class = "ttdeci" > void ec_load_ecmb(aaruformat_context *ctx)< / div > < div class = "ttdoc" > Try to load the ECMB from the recovery footer at EOF.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l01046" > erasure.c:1046< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_a38a12ac5d36e23b28d2f110906b14126" > < div class = "ttname" > < a href = "erasure__internal_8h.html#a38a12ac5d36e23b28d2f110906b14126" > ec_finalize< / a > < / div > < div class = "ttdeci" > void ec_finalize(aaruformat_context *ctx)< / div > < div class = "ttdoc" > Flush all partial data stripes and write parity for all groups + ECMB + recovery footer.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00585" > erasure.c:585< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_a41514b5f6f31a9a2207f2807da831e26" > < div class = "ttname" > < a href = "erasure__internal_8h.html#a41514b5f6f31a9a2207f2807da831e26" > ec_recover_ddt_block< / a > < / div > < div class = "ttdeci" > int32_t ec_recover_ddt_block(aaruformat_context *ctx, uint64_t block_offset, uint8_t **recovered_data, uint32_t *recovered_size)< / div > < div class = "ttdoc" > Attempt to recover a DDT secondary block at a given file offset.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00918" > erasure.c:918< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_a676c380c73d5adf73afd7613ec06b29d" > < div class = "ttname" > < a href = "erasure__internal_8h.html#a676c380c73d5adf73afd7613ec06b29d" > ec_accumulate_data_block< / a > < / div > < div class = "ttdeci" > void ec_accumulate_data_block(aaruformat_context *ctx, const BlockHeader *block_header, const uint8_t *lzma_props, const uint8_t *payload, uint32_t payload_size, uint64_t file_offset)< / div > < div class = "ttdoc" > Accumulate parity for a data block that was just written to disk.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00209" > erasure.c:209< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_a7a9ac507738cdf72e951f152edd4d233" > < div class = "ttname" > < a href = "erasure__internal_8h.html#a7a9ac507738cdf72e951f152edd4d233" > ec_recover_data_block< / a > < / div > < div class = "ttdeci" > int32_t ec_recover_data_block(aaruformat_context *ctx, uint64_t block_offset, uint64_t offset, uint8_t *data, uint32_t *length, uint8_t sector_status)< / div > < div class = "ttdoc" > Attempt to recover a data block that failed decompression or CRC verification.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l01303" > erasure.c:1303< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_aa17442a11d3d3ef4b51b5129eed19b45" > < div class = "ttname" > < a href = "erasure__internal_8h.html#aa17442a11d3d3ef4b51b5129eed19b45" > ec_recover_meta_block< / a > < / div > < div class = "ttdeci" > int32_t ec_recover_meta_block(aaruformat_context *ctx, uint64_t block_offset, uint8_t **recovered_data, uint32_t *recovered_size)< / div > < div class = "ttdoc" > Attempt to recover a metadata/media-tag block at a given file offset.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00909" > erasure.c:909< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_aa258c90d05ad57fc4c378679e5187e48" > < div class = "ttname" > < a href = "erasure__internal_8h.html#aa258c90d05ad57fc4c378679e5187e48" > ec_flush_data_stripe< / a > < / div > < div class = "ttdeci" > void ec_flush_data_stripe(aaruformat_context *ctx, uint32_t slot)< / div > < div class = "ttdoc" > Write M parity blocks for a completed data stripe slot and record the stripe descriptor.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00323" > erasure.c:323< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_ae5fe558b49013df6e932278061a2ab53" > < div class = "ttname" > < a href = "erasure__internal_8h.html#ae5fe558b49013df6e932278061a2ab53" > ec_free< / a > < / div > < div class = "ttdeci" > void ec_free(aaruformat_context *ctx)< / div > < div class = "ttdoc" > Free all erasure coding state from the context.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00934" > erasure.c:934< / a > < / div > < / div >
< div class = "ttc" id = "aerasure__internal_8h_html_af7d7ad06ff421cd43197434e2999f2d7" > < div class = "ttname" > < a href = "erasure__internal_8h.html#af7d7ad06ff421cd43197434e2999f2d7" > ec_recover_raw_block< / a > < / div > < div class = "ttdeci" > int32_t ec_recover_raw_block(aaruformat_context *ctx, uint64_t block_offset, uint8_t **recovered_data, uint32_t *recovered_size, void *stripes, uint32_t stripe_count, void *lookup, uint16_t group_K, uint16_t group_M, uint32_t group_shard_size)< / div > < div class = "ttdoc" > Attempt to recover a raw block at a given file offset using a specified stripe group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00827" > erasure.c:827< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "aerrors_8h_html" > < div class = "ttname" > < a href = "errors_8h.html" > errors.h< / a > < / div > < div class = "ttdoc" > Public error and status code definitions for libaaruformat.< / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "aerrors_8h_html_a1d6e49f7e8a1fa489efa0a582e90b5de" > < div class = "ttname" > < a href = "errors_8h.html#a1d6e49f7e8a1fa489efa0a582e90b5de" > AARUF_STATUS_OK< / a > < / div > < div class = "ttdeci" > #define AARUF_STATUS_OK< / div > < div class = "ttdoc" > Sector present and read without uncorrectable errors.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "errors_8h_source.html#l00082" > errors.h:82< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "aerrors_8h_html_a1df49eaa19eaa14891b6aaab966a9bc6" > < div class = "ttname" > < a href = "errors_8h.html#a1df49eaa19eaa14891b6aaab966a9bc6" > AARUF_READ_ONLY< / a > < / div > < div class = "ttdeci" > #define AARUF_READ_ONLY< / div > < div class = "ttdoc" > Operation requires write mode but context is read-only.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "errors_8h_source.html#l00061" > errors.h:61< / a > < / div > < / div >
< div class = "ttc" id = "aerrors_8h_html_a35a771e3648bf971a004d4b2be9b5ec4" > < div class = "ttname" > < a href = "errors_8h.html#a35a771e3648bf971a004d4b2be9b5ec4" > AARUF_ERROR_NOT_ENOUGH_MEMORY< / a > < / div > < div class = "ttdeci" > #define AARUF_ERROR_NOT_ENOUGH_MEMORY< / div > < div class = "ttdoc" > Memory allocation failure (critical).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "errors_8h_source.html#l00048" > errors.h:48< / a > < / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "aerrors_8h_html_a67753dacbd0ffdd397e563a8a5ecd271" > < div class = "ttname" > < a href = "errors_8h.html#a67753dacbd0ffdd397e563a8a5ecd271" > AARUF_ERROR_CANNOT_READ_BLOCK< / a > < / div > < div class = "ttdeci" > #define AARUF_ERROR_CANNOT_READ_BLOCK< / div > < div class = "ttdoc" > Generic block read failure (seek/read error).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "errors_8h_source.html#l00046" > errors.h:46< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "aerrors_8h_html_a8fc3ecb14777e72bebad62084b6caf16" > < div class = "ttname" > < a href = "errors_8h.html#a8fc3ecb14777e72bebad62084b6caf16" > AARUF_ERROR_INCORRECT_DATA_SIZE< / a > < / div > < div class = "ttdeci" > #define AARUF_ERROR_INCORRECT_DATA_SIZE< / div > < div class = "ttdoc" > Data size does not match expected size.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "errors_8h_source.html#l00065" > errors.h:65< / a > < / div > < / div >
< div class = "ttc" id = "aerrors_8h_html_ac9f4e38e8d5a1f940c9cd0c7f6788c37" > < div class = "ttname" > < a href = "errors_8h.html#ac9f4e38e8d5a1f940c9cd0c7f6788c37" > AARUF_ERROR_CANNOT_DECOMPRESS_BLOCK< / a > < / div > < div class = "ttdeci" > #define AARUF_ERROR_CANNOT_DECOMPRESS_BLOCK< / div > < div class = "ttdoc" > Decompression routine failed or size mismatch.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "errors_8h_source.html#l00056" > errors.h:56< / a > < / div > < / div >
< div class = "ttc" id = "agf256_8h_html" > < div class = "ttname" > < a href = "gf256_8h.html" > gf256.h< / a > < / div > < / div >
< div class = "ttc" id = "aindex_8h_html" > < div class = "ttname" > < a href = "index_8h.html" > index.h< / a > < / div > < div class = "ttdoc" > On‑ < / div > < / div >
< div class = "ttc" id = "ainternal_8h_html" > < div class = "ttname" > < a href = "internal_8h.html" > internal.h< / a > < / div > < / div >
< div class = "ttc" id = "ainternal_8h_html_a60c57e3b2e8e233d0be91f3690bf077c" > < div class = "ttname" > < a href = "internal_8h.html#a60c57e3b2e8e233d0be91f3690bf077c" > aaruf_fseek< / a > < / div > < div class = "ttdeci" > static int aaruf_fseek(FILE *stream, aaru_off_t offset, int origin)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "internal_8h_source.html#l00046" > internal.h:46< / a > < / div > < / div >
< div class = "ttc" id = "ainternal_8h_html_a697ee4ab2c7adc710e56b0ef868596d7" > < div class = "ttname" > < a href = "internal_8h.html#a697ee4ab2c7adc710e56b0ef868596d7" > aaruf_ftell< / a > < / div > < div class = "ttdeci" > static aaru_off_t aaruf_ftell(FILE *stream)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "internal_8h_source.html#l00052" > internal.h:52< / a > < / div > < / div >
< div class = "ttc" id = "ainternal_8h_html_afb4a123eeae51c668333248fb666e0f2" > < div class = "ttname" > < a href = "internal_8h.html#afb4a123eeae51c668333248fb666e0f2" > aaru_off_t< / a > < / div > < div class = "ttdeci" > int64_t aaru_off_t< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "internal_8h_source.html#l00042" > internal.h:42< / a > < / div > < / div >
< div class = "ttc" id = "alog_8h_html" > < div class = "ttname" > < a href = "log_8h.html" > log.h< / a > < / div > < / div >
< div class = "ttc" id = "alog_8h_html_a21cc0459b78d5f2d7bd737e5aae1278a" > < div class = "ttname" > < a href = "log_8h.html#a21cc0459b78d5f2d7bd737e5aae1278a" > TRACE< / a > < / div > < div class = "ttdeci" > #define TRACE(fmt,...)< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "log_8h_source.html#l00025" > log.h:25< / a > < / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "alru_8h_html_a4c0693df23b76b54750218753a748223" > < div class = "ttname" > < a href = "lru_8h.html#a4c0693df23b76b54750218753a748223" > add_to_cache_uint64< / a > < / div > < div class = "ttdeci" > void add_to_cache_uint64(struct CacheHeader *cache, uint64_t key, void *value, size_t size)< / div > < div class = "ttdoc" > Adds a value to the cache with a uint64_t key, evicting LRU entries if over budget.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "lru_8c_source.html#l00068" > lru.c:68< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "areed__solomon_8c_html_a5eed1476ef3e8666f011b529337b8518" > < div class = "ttname" > < a href = "reed__solomon_8c.html#a5eed1476ef3e8666f011b529337b8518" > rs_free< / a > < / div > < div class = "ttdeci" > void rs_free(rs_context *ctx)< / div > < div class = "ttdoc" > Free a Reed-Solomon codec context.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "reed__solomon_8c_source.html#l00201" > reed_solomon.c:201< / a > < / div > < / div >
< div class = "ttc" id = "areed__solomon_8c_html_a68a7b13ef6443640abc2818a3bd7d5bf" > < div class = "ttname" > < a href = "reed__solomon_8c.html#a68a7b13ef6443640abc2818a3bd7d5bf" > rs_create< / a > < / div > < div class = "ttdeci" > rs_context * rs_create(uint16_t K, uint16_t M)< / div > < div class = "ttdoc" > Create a Reed-Solomon codec for RS(K, M) over GF(2^8).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "reed__solomon_8c_source.html#l00150" > reed_solomon.c:150< / a > < / div > < / div >
< div class = "ttc" id = "areed__solomon_8c_html_ab02dd67e8f4b96de007048f30649adb1" > < div class = "ttname" > < a href = "reed__solomon_8c.html#ab02dd67e8f4b96de007048f30649adb1" > rs_encode_incremental< / a > < / div > < div class = "ttdeci" > void rs_encode_incremental(uint8_t coeff, const uint8_t *data, uint8_t *parity, size_t shard_size)< / div > < div class = "ttdoc" > Incrementally accumulate one data shard' s contribution to one parity shard.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "reed__solomon_8c_source.html#l00213" > reed_solomon.c:213< / a > < / div > < / div >
< div class = "ttc" id = "areed__solomon_8c_html_ada549b6a6028807b96d975bba70bea2d" > < div class = "ttname" > < a href = "reed__solomon_8c.html#ada549b6a6028807b96d975bba70bea2d" > rs_get_coefficient< / a > < / div > < div class = "ttdeci" > uint8_t rs_get_coefficient(const rs_context *ctx, uint16_t m, uint16_t k)< / div > < div class = "ttdoc" > Get the generator matrix coefficient for parity shard m, data shard k.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "reed__solomon_8c_source.html#l00208" > reed_solomon.c:208< / a > < / div > < / div >
< div class = "ttc" id = "areed__solomon_8c_html_aea0122b72cfa6f77a4751d5466e73024" > < div class = "ttname" > < a href = "reed__solomon_8c.html#aea0122b72cfa6f77a4751d5466e73024" > rs_decode< / a > < / div > < div class = "ttdeci" > int rs_decode(const rs_context *ctx, uint8_t **shards, const uint8_t *present, size_t shard_size)< / div > < div class = "ttdoc" > Decode (reconstruct) erased shards.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "reed__solomon_8c_source.html#l00218" > reed_solomon.c:218< / a > < / div > < / div >
< div class = "ttc" id = "areed__solomon_8h_html" > < div class = "ttname" > < a href = "reed__solomon_8h.html" > reed_solomon.h< / a > < / div > < / div >
< div class = "ttc" id = "astructAaruHeaderV2_html" > < div class = "ttname" > < a href = "structAaruHeaderV2.html" > AaruHeaderV2< / a > < / div > < div class = "ttdoc" > Version 2 container header with GUID, alignment shifts, and feature negotiation bitmaps.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "header_8h_source.html#l00106" > header.h:107< / a > < / div > < / div >
< div class = "ttc" id = "astructAaruHeaderV2_html_a4ec4b1d593f5a0af19f6d7b8eaeada40" > < div class = "ttname" > < a href = "structAaruHeaderV2.html#a4ec4b1d593f5a0af19f6d7b8eaeada40" > AaruHeaderV2::indexOffset< / a > < / div > < div class = "ttdeci" > uint64_t indexOffset< / div > < div class = "ttdoc" > Absolute byte offset to primary index block (MUST be > 0; 0 => corrupt/unreadable).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "header_8h_source.html#l00115" > header.h:115< / a > < / div > < / div >
< div class = "ttc" id = "astructAaruHeaderV2_html_a9dae72bee3d161760dbbe389e4a70444" > < div class = "ttname" > < a href = "structAaruHeaderV2.html#a9dae72bee3d161760dbbe389e4a70444" > AaruHeaderV2::featureCompatibleRo< / a > < / div > < div class = "ttdeci" > uint64_t featureCompatibleRo< / div > < div class = "ttdoc" > Feature bits: unimplemented -> degrade to read-only access.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "header_8h_source.html#l00122" > header.h:122< / a > < / div > < / div >
< div class = "ttc" id = "astructAaruRecoveryFooter_html" > < div class = "ttname" > < a href = "structAaruRecoveryFooter.html" > AaruRecoveryFooter< / a > < / div > < div class = "ttdoc" > Recovery footer written at the very end of the file (last 160 bytes).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00116" > erasure.h:117< / a > < / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "astructAaruRecoveryFooter_html_a2a0e7425f369422c197cda6b4ff56033" > < div class = "ttname" > < a href = "structAaruRecoveryFooter.html#a2a0e7425f369422c197cda6b4ff56033" > AaruRecoveryFooter::headerCrc64< / a > < / div > < div class = "ttdeci" > uint64_t headerCrc64< / div > < div class = "ttdoc" > CRC64-ECMA of the original AaruHeaderV2 (147 bytes at offset 0).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00120" > erasure.h:120< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "astructAaruRecoveryFooter_html_a67e4601f7be9a5f7e84cb3adfb98e68a" > < div class = "ttname" > < a href = "structAaruRecoveryFooter.html#a67e4601f7be9a5f7e84cb3adfb98e68a" > AaruRecoveryFooter::ecmbOffset< / a > < / div > < div class = "ttdeci" > uint64_t ecmbOffset< / div > < div class = "ttdoc" > Absolute file offset of the primary ECMB.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00118" > erasure.h:118< / a > < / div > < / div >
< div class = "ttc" id = "astructAaruRecoveryFooter_html_a8d65cec53b91b52d2bafb7e76eef818a" > < div class = "ttname" > < a href = "structAaruRecoveryFooter.html#a8d65cec53b91b52d2bafb7e76eef818a" > AaruRecoveryFooter::footerMagic< / a > < / div > < div class = "ttdeci" > uint64_t footerMagic< / div > < div class = "ttdoc" > Must be AARU_RECOVERY_FOOTER_MAGIC (0x52464D4345525641).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00122" > erasure.h:122< / a > < / div > < / div >
< div class = "ttc" id = "astructAaruRecoveryFooter_html_ad3f4ad3842317379eea5ad1bd3335482" > < div class = "ttname" > < a href = "structAaruRecoveryFooter.html#ad3f4ad3842317379eea5ad1bd3335482" > AaruRecoveryFooter::ecmbLength< / a > < / div > < div class = "ttdeci" > uint64_t ecmbLength< / div > < div class = "ttdoc" > Total on-disk size of the ECMB (header + payload).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00119" > erasure.h:119< / a > < / div > < / div >
< div class = "ttc" id = "astructAaruRecoveryFooter_html_afd53d818d8d4f4c23e4483bfea1701f5" > < div class = "ttname" > < a href = "structAaruRecoveryFooter.html#afd53d818d8d4f4c23e4483bfea1701f5" > AaruRecoveryFooter::backupHeader< / a > < / div > < div class = "ttdeci" > AaruHeaderV2 backupHeader< / div > < div class = "ttdoc" > Complete copy of AaruHeaderV2 from file offset 0.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00121" > erasure.h:121< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html" > < div class = "ttname" > < a href = "structBlockHeader.html" > BlockHeader< / a > < / div > < div class = "ttdoc" > Header preceding the compressed data payload of a data block (BlockType::DataBlock).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00070" > data.h:71< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_a0ee87beb4362823260f70a87ac17379f" > < div class = "ttname" > < a href = "structBlockHeader.html#a0ee87beb4362823260f70a87ac17379f" > BlockHeader::cmpLength< / a > < / div > < div class = "ttdeci" > uint32_t cmpLength< / div > < div class = "ttdoc" > Size in bytes of the compressed payload immediately following this header.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00076" > data.h:76< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_a1f9f3204a10090709b28d0df4bb547e5" > < div class = "ttname" > < a href = "structBlockHeader.html#a1f9f3204a10090709b28d0df4bb547e5" > BlockHeader::length< / a > < / div > < div class = "ttdeci" > uint32_t length< / div > < div class = "ttdoc" > Size in bytes of the uncompressed payload resulting after decompression.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00077" > data.h:77< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_a3b03f118fb2dc3dcef3f87a82238e358" > < div class = "ttname" > < a href = "structBlockHeader.html#a3b03f118fb2dc3dcef3f87a82238e358" > BlockHeader::identifier< / a > < / div > < div class = "ttdeci" > uint32_t identifier< / div > < div class = "ttdoc" > Block identifier, must be BlockType::DataBlock.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00072" > data.h:72< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_a5bd50f95c8c1f91e5013a1a154690beb" > < div class = "ttname" > < a href = "structBlockHeader.html#a5bd50f95c8c1f91e5013a1a154690beb" > BlockHeader::sectorSize< / a > < / div > < div class = "ttdeci" > uint32_t sectorSize< / div > < div class = "ttdoc" > Size in bytes of each logical sector represented in this block.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00075" > data.h:75< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_a8ff40eae6c49f0d9b49825f75e1e2bf8" > < div class = "ttname" > < a href = "structBlockHeader.html#a8ff40eae6c49f0d9b49825f75e1e2bf8" > BlockHeader::cmpCrc64< / a > < / div > < div class = "ttdeci" > uint64_t cmpCrc64< / div > < div class = "ttdoc" > CRC64-ECMA of the compressed payload (cmpLength bytes).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00078" > data.h:78< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_ab4d9e3a871e0c7f12a881017dac4ca12" > < div class = "ttname" > < a href = "structBlockHeader.html#ab4d9e3a871e0c7f12a881017dac4ca12" > BlockHeader::crc64< / a > < / div > < div class = "ttdeci" > uint64_t crc64< / div > < div class = "ttdoc" > CRC64-ECMA of the uncompressed payload (length bytes).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00079" > data.h:79< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_ac31ad48f3362a43175c94ec2e30662ad" > < div class = "ttname" > < a href = "structBlockHeader.html#ac31ad48f3362a43175c94ec2e30662ad" > BlockHeader::type< / a > < / div > < div class = "ttdeci" > uint16_t type< / div > < div class = "ttdoc" > Logical data classification (value from DataType).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00073" > data.h:73< / a > < / div > < / div >
< div class = "ttc" id = "astructBlockHeader_html_ad68963422fd2a5f6d0e0be751cbef559" > < div class = "ttname" > < a href = "structBlockHeader.html#ad68963422fd2a5f6d0e0be751cbef559" > BlockHeader::compression< / a > < / div > < div class = "ttdeci" > uint16_t compression< / div > < div class = "ttdoc" > Compression algorithm used (value from CompressionType).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "data_8h_source.html#l00074" > data.h:74< / a > < / div > < / div >
< div class = "ttc" id = "astructDdtHeader2_html" > < div class = "ttname" > < a href = "structDdtHeader2.html" > DdtHeader2< / a > < / div > < div class = "ttdoc" > Header preceding a version 2 hierarchical deduplication table.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "ddt_8h_source.html#l00141" > ddt.h:142< / a > < / div > < / div >
< div class = "ttc" id = "astructDdtHeader2_html_aa67b097c3a20f926ede495d27152f1c0" > < div class = "ttname" > < a href = "structDdtHeader2.html#aa67b097c3a20f926ede495d27152f1c0" > DdtHeader2::blockAlignmentShift< / a > < / div > < div class = "ttdeci" > uint8_t blockAlignmentShift< / div > < div class = "ttdoc" > 2^blockAlignmentShift = block alignment boundary in bytes.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "ddt_8h_source.html#l00154" > ddt.h:154< / a > < / div > < / div >
< div class = "ttc" id = "astructDdtHeader2_html_aee50fc92a9151bd352808b28bccd5045" > < div class = "ttname" > < a href = "structDdtHeader2.html#aee50fc92a9151bd352808b28bccd5045" > DdtHeader2::cmpLength< / a > < / div > < div class = "ttdeci" > uint64_t cmpLength< / div > < div class = "ttdoc" > Compressed payload size in bytes.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "ddt_8h_source.html#l00159" > ddt.h:159< / a > < / div > < / div >
< div class = "ttc" id = "astructEcBlockLookupEntry_html" > < div class = "ttname" > < a href = "structEcBlockLookupEntry.html" > EcBlockLookupEntry< / a > < / div > < div class = "ttdoc" > Hash table entry mapping block file offset -> stripe index + position.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00054" > erasure.c:55< / a > < / div > < / div >
< div class = "ttc" id = "astructEcBlockLookupEntry_html_a13a8928f4f9cc3d0d7a30b1d0530c016" > < div class = "ttname" > < a href = "structEcBlockLookupEntry.html#a13a8928f4f9cc3d0d7a30b1d0530c016" > EcBlockLookupEntry::block_offset< / a > < / div > < div class = "ttdeci" > uint64_t block_offset< / div > < div class = "ttdoc" > Key: file offset of the data block.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00056" > erasure.c:56< / a > < / div > < / div >
< div class = "ttc" id = "astructEcBlockLookupEntry_html_a8645b89803f927a7608a6f8d30d74292" > < div class = "ttname" > < a href = "structEcBlockLookupEntry.html#a8645b89803f927a7608a6f8d30d74292" > EcBlockLookupEntry::position< / a > < / div > < div class = "ttdeci" > uint16_t position< / div > < div class = "ttdoc" > Position within the stripe (0..actual_k-1).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00058" > erasure.c:58< / a > < / div > < / div >
< div class = "ttc" id = "astructEcBlockLookupEntry_html_aafe5aa886cf56f4dbcc9c7426792e61c" > < div class = "ttname" > < a href = "structEcBlockLookupEntry.html#aafe5aa886cf56f4dbcc9c7426792e61c" > EcBlockLookupEntry::hh< / a > < / div > < div class = "ttdeci" > UT_hash_handle hh< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00059" > erasure.c:59< / a > < / div > < / div >
< div class = "ttc" id = "astructEcBlockLookupEntry_html_aedeac38371118113a77e02cc65512320" > < div class = "ttname" > < a href = "structEcBlockLookupEntry.html#aedeac38371118113a77e02cc65512320" > EcBlockLookupEntry::stripe_index< / a > < / div > < div class = "ttdeci" > uint32_t stripe_index< / div > < div class = "ttdoc" > Index into ec_read_stripes array.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00057" > erasure.c:57< / a > < / div > < / div >
< div class = "ttc" id = "astructEcReadStripe_html" > < div class = "ttname" > < a href = "structEcReadStripe.html" > EcReadStripe< / a > < / div > < div class = "ttdoc" > In-memory representation of one data stripe (parsed from ECMB).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00046" > erasure.c:47< / a > < / div > < / div >
< div class = "ttc" id = "astructEcReadStripe_html_a196073177bb5753b30b17ad495af7b97" > < div class = "ttname" > < a href = "structEcReadStripe.html#a196073177bb5753b30b17ad495af7b97" > EcReadStripe::data_entries< / a > < / div > < div class = "ttdeci" > StripeDataBlockEntry * data_entries< / div > < div class = "ttdoc" > Array of actual_k entries.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00049" > erasure.c:49< / a > < / div > < / div >
< div class = "ttc" id = "astructEcReadStripe_html_a80b525ebfe07bff2cb08bf97ce633e2f" > < div class = "ttname" > < a href = "structEcReadStripe.html#a80b525ebfe07bff2cb08bf97ce633e2f" > EcReadStripe::actual_k< / a > < / div > < div class = "ttdeci" > uint16_t actual_k< / div > < div class = "ttdoc" > Number of data blocks in this stripe.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00048" > erasure.c:48< / a > < / div > < / div >
< div class = "ttc" id = "astructEcReadStripe_html_ac88d41411a685f4b7fbecb69d179ec3f" > < div class = "ttname" > < a href = "structEcReadStripe.html#ac88d41411a685f4b7fbecb69d179ec3f" > EcReadStripe::parity_offsets< / a > < / div > < div class = "ttdeci" > uint64_t * parity_offsets< / div > < div class = "ttdoc" > Array of M parity block file offsets.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "#l00050" > erasure.c:50< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html" > ErasureCodingMapHeader< / a > < / div > < div class = "ttdoc" > Header for the Erasure Coding Map Block (BlockType::ErasureCodingMapBlock).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00049" > erasure.h:50< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_a174d1be87a00bda3012715de76423ec4" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#a174d1be87a00bda3012715de76423ec4" > ErasureCodingMapHeader::algorithm< / a > < / div > < div class = "ttdeci" > uint8_t algorithm< / div > < div class = "ttdoc" > Erasure coding algorithm (ErasureCodingAlgorithm).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00052" > erasure.h:52< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_a2aa7763da110a8e7550e61bd6110f83d" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#a2aa7763da110a8e7550e61bd6110f83d" > ErasureCodingMapHeader::cmpLength< / a > < / div > < div class = "ttdeci" > uint64_t cmpLength< / div > < div class = "ttdoc" > Size in bytes of the compressed mapping payload.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00055" > erasure.h:55< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_aa686c5c90093d0ba86657c1f15f64a2d" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#aa686c5c90093d0ba86657c1f15f64a2d" > ErasureCodingMapHeader::cmpCrc64< / a > < / div > < div class = "ttdeci" > uint64_t cmpCrc64< / div > < div class = "ttdoc" > CRC64-ECMA of the compressed mapping payload.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00057" > erasure.h:57< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_aa883d1e565b1856a7a16b2fcf8ee8b7d" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#aa883d1e565b1856a7a16b2fcf8ee8b7d" > ErasureCodingMapHeader::crc64< / a > < / div > < div class = "ttdeci" > uint64_t crc64< / div > < div class = "ttdoc" > CRC64-ECMA of the uncompressed mapping payload.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00058" > erasure.h:58< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_aaf860b67807c5bf871e52ae617a076ae" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#aaf860b67807c5bf871e52ae617a076ae" > ErasureCodingMapHeader::compression< / a > < / div > < div class = "ttdeci" > uint16_t compression< / div > < div class = "ttdoc" > Compression algorithm for the mapping payload (CompressionType).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00054" > erasure.h:54< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_ac1cce17abac0be6beccb121d7a3b24b2" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#ac1cce17abac0be6beccb121d7a3b24b2" > ErasureCodingMapHeader::identifier< / a > < / div > < div class = "ttdeci" > uint32_t identifier< / div > < div class = "ttdoc" > Block identifier, must be BlockType::ErasureCodingMapBlock (0x424D4345).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00051" > erasure.h:51< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_accae80e978eeccc7c026eb5ade721aae" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#accae80e978eeccc7c026eb5ade721aae" > ErasureCodingMapHeader::stripeGroupCount< / a > < / div > < div class = "ttdeci" > uint8_t stripeGroupCount< / div > < div class = "ttdoc" > Number of stripe groups in payload (typically 5).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00053" > erasure.h:53< / a > < / div > < / div >
< div class = "ttc" id = "astructErasureCodingMapHeader_html_ad52f12a467a76189e31b1c01fc0e6e65" > < div class = "ttname" > < a href = "structErasureCodingMapHeader.html#ad52f12a467a76189e31b1c01fc0e6e65" > ErasureCodingMapHeader::length< / a > < / div > < div class = "ttdeci" > uint64_t length< / div > < div class = "ttdoc" > Size in bytes of the uncompressed mapping payload.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00056" > erasure.h:56< / a > < / div > < / div >
< div class = "ttc" id = "astructIndexEntry_html" > < div class = "ttname" > < a href = "structIndexEntry.html" > IndexEntry< / a > < / div > < div class = "ttdoc" > Single index entry describing a block' s type, (optional) data classification, and file offset.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "index_8h_source.html#l00108" > index.h:109< / a > < / div > < / div >
< div class = "ttc" id = "astructIndexEntry_html_a4b5c7115ac83019c3f77c6f047e5f75e" > < div class = "ttname" > < a href = "structIndexEntry.html#a4b5c7115ac83019c3f77c6f047e5f75e" > IndexEntry::blockType< / a > < / div > < div class = "ttdeci" > uint32_t blockType< / div > < div class = "ttdoc" > Block identifier of the referenced block (value from BlockType).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "index_8h_source.html#l00110" > index.h:110< / a > < / div > < / div >
< div class = "ttc" id = "astructIndexEntry_html_a854951a64192d7e4cdcfa6dd6fd2b3ea" > < div class = "ttname" > < a href = "structIndexEntry.html#a854951a64192d7e4cdcfa6dd6fd2b3ea" > IndexEntry::offset< / a > < / div > < div class = "ttdeci" > uint64_t offset< / div > < div class = "ttdoc" > Absolute byte offset in the image where the referenced block header begins.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "index_8h_source.html#l00112" > index.h:112< / a > < / div > < / div >
< div class = "ttc" id = "astructIndexEntry_html_ae5d35082a756e0388efbf5fabbe93d10" > < div class = "ttname" > < a href = "structIndexEntry.html#ae5d35082a756e0388efbf5fabbe93d10" > IndexEntry::dataType< / a > < / div > < div class = "ttdeci" > uint16_t dataType< / div > < div class = "ttdoc" > Data classification (value from DataType) or unused for untyped blocks.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "index_8h_source.html#l00111" > index.h:111< / a > < / div > < / div >
< div class = "ttc" id = "astructIndexHeader3_html" > < div class = "ttname" > < a href = "structIndexHeader3.html" > IndexHeader3< / a > < / div > < div class = "ttdoc" > Index header (version 3) adding hierarchical chaining (identifier == IndexBlock3).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "index_8h_source.html#l00092" > index.h:93< / a > < / div > < / div >
< div class = "ttc" id = "astructIndexHeader3_html_af05fe8e08e929aa0eab6b74638f22b74" > < div class = "ttname" > < a href = "structIndexHeader3.html#af05fe8e08e929aa0eab6b74638f22b74" > IndexHeader3::entries< / a > < / div > < div class = "ttdeci" > uint64_t entries< / div > < div class = "ttdoc" > Number of IndexEntry records that follow in this (sub)index block.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "index_8h_source.html#l00095" > index.h:95< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeDataBlockEntry_html" > < div class = "ttname" > < a href = "structStripeDataBlockEntry.html" > StripeDataBlockEntry< / a > < / div > < div class = "ttdoc" > Per-data-block metadata within a stripe descriptor.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00087" > erasure.h:88< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeDataBlockEntry_html_a3351d43103f9f7fbd9f4486161a1656d" > < div class = "ttname" > < a href = "structStripeDataBlockEntry.html#a3351d43103f9f7fbd9f4486161a1656d" > StripeDataBlockEntry::onDiskSize< / a > < / div > < div class = "ttdeci" > uint32_t onDiskSize< / div > < div class = "ttdoc" > Actual on-disk bytes (sizeof(header) + cmpLength).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00090" > erasure.h:90< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeDataBlockEntry_html_a7aac714b3d98b543e792537fd7c8d3fc" > < div class = "ttname" > < a href = "structStripeDataBlockEntry.html#a7aac714b3d98b543e792537fd7c8d3fc" > StripeDataBlockEntry::offset< / a > < / div > < div class = "ttdeci" > uint64_t offset< / div > < div class = "ttdoc" > Absolute file offset of the block.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00089" > erasure.h:89< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeDataBlockEntry_html_af85494afc772fe1469927c826e24a1b2" > < div class = "ttname" > < a href = "structStripeDataBlockEntry.html#af85494afc772fe1469927c826e24a1b2" > StripeDataBlockEntry::shardCrc64< / a > < / div > < div class = "ttdeci" > uint64_t shardCrc64< / div > < div class = "ttdoc" > CRC64-ECMA of on-disk bytes zero-padded to shardSize.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00091" > erasure.h:91< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeGroupDescriptor_html" > < div class = "ttname" > < a href = "structStripeGroupDescriptor.html" > StripeGroupDescriptor< / a > < / div > < div class = "ttdoc" > Describes one protection group within the ECMB payload.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00068" > erasure.h:69< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeGroupDescriptor_html_a2a457b42f8562c872b0b7e0f1b054ef5" > < div class = "ttname" > < a href = "structStripeGroupDescriptor.html#a2a457b42f8562c872b0b7e0f1b054ef5" > StripeGroupDescriptor::shardSize< / a > < / div > < div class = "ttdeci" > uint32_t shardSize< / div > < div class = "ttdoc" > Fixed shard size in bytes (max possible on-disk block size for this group).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00073" > erasure.h:73< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeGroupDescriptor_html_a46b938eb0fea65843e741c2cc240d14b" > < div class = "ttname" > < a href = "structStripeGroupDescriptor.html#a46b938eb0fea65843e741c2cc240d14b" > StripeGroupDescriptor::K< / a > < / div > < div class = "ttdeci" > uint16_t K< / div > < div class = "ttdoc" > Number of data blocks per stripe.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00071" > erasure.h:71< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeGroupDescriptor_html_a6093f8c41fb1aa55c8367e2a92fe9f7f" > < div class = "ttname" > < a href = "structStripeGroupDescriptor.html#a6093f8c41fb1aa55c8367e2a92fe9f7f" > StripeGroupDescriptor::groupType< / a > < / div > < div class = "ttdeci" > uint8_t groupType< / div > < div class = "ttdoc" > Protection group type (ErasureCodingGroupType).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00070" > erasure.h:70< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeGroupDescriptor_html_a747366878bf9d2d68b37fddc30346546" > < div class = "ttname" > < a href = "structStripeGroupDescriptor.html#a747366878bf9d2d68b37fddc30346546" > StripeGroupDescriptor::interleaveDepth< / a > < / div > < div class = "ttdeci" > uint16_t interleaveDepth< / div > < div class = "ttdoc" > Interleave depth D (K for full interleave, 1 for consecutive).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00075" > erasure.h:75< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeGroupDescriptor_html_a9b737c4f6fda1894d51858d2a3d8d877" > < div class = "ttname" > < a href = "structStripeGroupDescriptor.html#a9b737c4f6fda1894d51858d2a3d8d877" > StripeGroupDescriptor::stripeCount< / a > < / div > < div class = "ttdeci" > uint32_t stripeCount< / div > < div class = "ttdoc" > Number of stripes in this group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00074" > erasure.h:74< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeGroupDescriptor_html_afd47dcff7fe194084c22dab9a6866c8b" > < div class = "ttname" > < a href = "structStripeGroupDescriptor.html#afd47dcff7fe194084c22dab9a6866c8b" > StripeGroupDescriptor::M< / a > < / div > < div class = "ttdeci" > uint16_t M< / div > < div class = "ttdoc" > Number of parity blocks per stripe.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00072" > erasure.h:72< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeParityBlockEntry_html" > < div class = "ttname" > < a href = "structStripeParityBlockEntry.html" > StripeParityBlockEntry< / a > < / div > < div class = "ttdoc" > Per-parity-block metadata within a stripe descriptor.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00098" > erasure.h:99< / a > < / div > < / div >
< div class = "ttc" id = "astructStripeParityBlockEntry_html_a4222801a62acbce61990ee79faf26050" > < div class = "ttname" > < a href = "structStripeParityBlockEntry.html#a4222801a62acbce61990ee79faf26050" > StripeParityBlockEntry::offset< / a > < / div > < div class = "ttdeci" > uint64_t offset< / div > < div class = "ttdoc" > Absolute file offset of the parity DBLK.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "erasure_8h_source.html#l00100" > erasure.h:100< / a > < / div > < / div >
2026-10-08 20:15:08 +01:00
< div class = "ttc" id = "astructaaruformat__context_html" > < div class = "ttname" > < a href = "structaaruformat__context.html" > aaruformat_context< / a > < / div > < div class = "ttdoc" > Master context representing an open or in‑ < / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00177" > context.h:178< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a0306814ea46f136a21ffdbf5504744d2" > < div class = "ttname" > < a href = "structaaruformat__context.html#a0306814ea46f136a21ffdbf5504744d2" > aaruformat_context::ec_data_shard_crcs< / a > < / div > < div class = "ttdeci" > uint64_t * ec_data_shard_crcs< / div > < div class = "ttdoc" > Array of K * K CRC64 values for blocks in active stripes.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00396" > context.h:396< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a04c5fb367458a6e9dd0a50b39f6edec2" > < div class = "ttname" > < a href = "structaaruformat__context.html#a04c5fb367458a6e9dd0a50b39f6edec2" > aaruformat_context::user_data_ddt_header< / a > < / div > < div class = "ttdeci" > DdtHeader2 user_data_ddt_header< / div > < div class = "ttdoc" > Active user data DDT v2 header (primary table meta).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00195" > context.h:195< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a0562ac6ba169471d3d83482342d68ff2" > < div class = "ttname" > < a href = "structaaruformat__context.html#a0562ac6ba169471d3d83482342d68ff2" > aaruformat_context::ec_data_block_sizes< / a > < / div > < div class = "ttdeci" > uint32_t * ec_data_block_sizes< / div > < div class = "ttdoc" > Array of K * K actual on-disk sizes for blocks in active stripes.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00395" > context.h:395< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a231115c6a202af9b0b846dcd9894435d" > < div class = "ttname" > < a href = "structaaruformat__context.html#a231115c6a202af9b0b846dcd9894435d" > aaruformat_context::ec_rs_ctx< / a > < / div > < div class = "ttdeci" > void * ec_rs_ctx< / div > < div class = "ttdoc" > rs_context* (opaque RS codec), NULL if EC disabled.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00392" > context.h:392< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a2383c8f3fdc082ce690a7fcfc9b7df7f" > < div class = "ttname" > < a href = "structaaruformat__context.html#a2383c8f3fdc082ce690a7fcfc9b7df7f" > aaruformat_context::ec_meta_stripe_count< / a > < / div > < div class = "ttdeci" > uint32_t ec_meta_stripe_count< / div > < div class = "ttdoc" > Number of metadata stripes.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00407" > context.h:407< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a25448606ea0870a817f4a2b6c94f7698" > < div class = "ttname" > < a href = "structaaruformat__context.html#a25448606ea0870a817f4a2b6c94f7698" > aaruformat_context::ec_algorithm< / a > < / div > < div class = "ttdeci" > uint8_t ec_algorithm< / div > < div class = "ttdoc" > ErasureCodingAlgorithm (0=XOR, 1=RS-Vandermonde).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00388" > context.h:388< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a3613b5ea23ce609b6d2c3a047692d455" > < div class = "ttname" > < a href = "structaaruformat__context.html#a3613b5ea23ce609b6d2c3a047692d455" > aaruformat_context::ec_recovery_in_progress< / a > < / div > < div class = "ttdeci" > bool ec_recovery_in_progress< / div > < div class = "ttdoc" > Recursion guard for recovery (prevents infinite loops).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00419" > context.h:419< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a3a12addf4a338cc04471709604d48ae1" > < div class = "ttname" > < a href = "structaaruformat__context.html#a3a12addf4a338cc04471709604d48ae1" > aaruformat_context::block_header_cache< / a > < / div > < div class = "ttdeci" > struct CacheHeader block_header_cache< / div > < div class = "ttdoc" > LRU/Cache header for block headers.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00266" > context.h:266< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a3dd804f91ba84019bd5a23226fa7d608" > < div class = "ttname" > < a href = "structaaruformat__context.html#a3dd804f91ba84019bd5a23226fa7d608" > aaruformat_context::ec_data_shard_size< / a > < / div > < div class = "ttdeci" > uint32_t ec_data_shard_size< / div > < div class = "ttdoc" > Max on-disk block size for data blocks (fixed at creation).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00391" > context.h:391< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a3e230f326ef10eae2a496ca4532c8143" > < div class = "ttname" > < a href = "structaaruformat__context.html#a3e230f326ef10eae2a496ca4532c8143" > aaruformat_context::ec_read_stripe_count< / a > < / div > < div class = "ttdeci" > uint32_t ec_read_stripe_count< / div > < div class = "ttdoc" > Number of data stripes parsed from ECMB.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00404" > context.h:404< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a45cab62842ddc9983ea6640ff9002fba" > < div class = "ttname" > < a href = "structaaruformat__context.html#a45cab62842ddc9983ea6640ff9002fba" > aaruformat_context::ec_ddt_stripe_count< / a > < / div > < div class = "ttdeci" > uint32_t ec_ddt_stripe_count< / div > < div class = "ttdoc" > Number of DDT-secondary stripes.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00413" > context.h:413< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a58359ec8607d1d10e0af8699be238e77" > < div class = "ttname" > < a href = "structaaruformat__context.html#a58359ec8607d1d10e0af8699be238e77" > aaruformat_context::block_cache< / a > < / div > < div class = "ttdeci" > struct CacheHeader block_cache< / div > < div class = "ttdoc" > LRU/Cache header for block payloads.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00267" > context.h:267< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a5dcdc3c79abfc4eb97ba75d98f27edf1" > < div class = "ttname" > < a href = "structaaruformat__context.html#a5dcdc3c79abfc4eb97ba75d98f27edf1" > aaruformat_context::ec_meta_shard_size< / a > < / div > < div class = "ttdeci" > uint32_t ec_meta_shard_size< / div > < div class = "ttdoc" > Shard size for metadata group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00410" > context.h:410< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a5e4e2fa0c0cdd1c44c8d319ca238a41f" > < div class = "ttname" > < a href = "structaaruformat__context.html#a5e4e2fa0c0cdd1c44c8d319ca238a41f" > aaruformat_context::ec_ddt_block_lookup< / a > < / div > < div class = "ttdeci" > void * ec_ddt_block_lookup< / div > < div class = "ttdoc" > uthash: block file offset → stripe index + position (DDT group).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00417" > context.h:417< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a63616c8450e9e1853e0645714fe310cb" > < div class = "ttname" > < a href = "structaaruformat__context.html#a63616c8450e9e1853e0645714fe310cb" > aaruformat_context::dirty_index_block< / a > < / div > < div class = "ttdeci" > bool dirty_index_block< / div > < div class = "ttdoc" > True if index block should be written during close.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00354" > context.h:354< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a670dec8d59407989fefc361dc26c6832" > < div class = "ttname" > < a href = "structaaruformat__context.html#a670dec8d59407989fefc361dc26c6832" > aaruformat_context::header< / a > < / div > < div class = "ttdeci" > AaruHeaderV2 header< / div > < div class = "ttdoc" > Parsed container header (v2).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00181" > context.h:181< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a682d900c0f7dc71bc4820e09609f1615" > < div class = "ttname" > < a href = "structaaruformat__context.html#a682d900c0f7dc71bc4820e09609f1615" > aaruformat_context::ec_data_stripes< / a > < / div > < div class = "ttdeci" > UT_array * ec_data_stripes< / div > < div class = "ttdoc" > Completed data stripe descriptors (serialized to ECMB).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00399" > context.h:399< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a6f61f9ea20f4e3b791a0d6388dd43651" > < div class = "ttname" > < a href = "structaaruformat__context.html#a6f61f9ea20f4e3b791a0d6388dd43651" > aaruformat_context::is_writing< / a > < / div > < div class = "ttdeci" > bool is_writing< / div > < div class = "ttdoc" > True if context opened/created for writing.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00302" > context.h:302< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a725f855ca8c500abb109e015429b7cde" > < div class = "ttname" > < a href = "structaaruformat__context.html#a725f855ca8c500abb109e015429b7cde" > aaruformat_context::ec_ddt_M< / a > < / div > < div class = "ttdeci" > uint16_t ec_ddt_M< / div > < div class = "ttdoc" > M for DDT-secondary group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00415" > context.h:415< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a7dc0a0fe0bf6223ff4587fd01c360b76" > < div class = "ttname" > < a href = "structaaruformat__context.html#a7dc0a0fe0bf6223ff4587fd01c360b76" > aaruformat_context::magic< / a > < / div > < div class = "ttdeci" > uint64_t magic< / div > < div class = "ttdoc" > File magic (AARU_MAGIC) post-open.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00180" > context.h:180< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a853faa6ad76bbed813479ad1d16b3f87" > < div class = "ttname" > < a href = "structaaruformat__context.html#a853faa6ad76bbed813479ad1d16b3f87" > aaruformat_context::ec_meta_M< / a > < / div > < div class = "ttdeci" > uint16_t ec_meta_M< / div > < div class = "ttdoc" > M for metadata group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00409" > context.h:409< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a939b702f75e80062bc635add4c3ab142" > < div class = "ttname" > < a href = "structaaruformat__context.html#a939b702f75e80062bc635add4c3ab142" > aaruformat_context::next_block_position< / a > < / div > < div class = "ttdeci" > uint64_t next_block_position< / div > < div class = "ttdoc" > Absolute file offset where next block will be written.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00292" > context.h:292< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a9a68ea472d082df95246171eaab070d0" > < div class = "ttname" > < a href = "structaaruformat__context.html#a9a68ea472d082df95246171eaab070d0" > aaruformat_context::ec_data_block_offsets< / a > < / div > < div class = "ttdeci" > uint64_t * ec_data_block_offsets< / div > < div class = "ttdoc" > Array of K * K file offsets for blocks in active stripes.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00394" > context.h:394< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a9b5df0512665a9b31fbfff6dc912b6eb" > < div class = "ttname" > < a href = "structaaruformat__context.html#a9b5df0512665a9b31fbfff6dc912b6eb" > aaruformat_context::ec_total_data_blocks< / a > < / div > < div class = "ttdeci" > uint32_t ec_total_data_blocks< / div > < div class = "ttdoc" > Total data blocks written (counter for round-robin assignment).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00398" > context.h:398< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > < div class = "ttname" > < a href = "structaaruformat__context.html#a9c7a7eafdd48b8d0cbdbb46d28cfceaa" > aaruformat_context::ec_M< / a > < / div > < div class = "ttdeci" > uint16_t ec_M< / div > < div class = "ttdoc" > Parity blocks per stripe.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00390" > context.h:390< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_aa8301e298630675bb060fde6fa6e401a" > < div class = "ttname" > < a href = "structaaruformat__context.html#aa8301e298630675bb060fde6fa6e401a" > aaruformat_context::ec_data_stripe_counts< / a > < / div > < div class = "ttdeci" > uint16_t * ec_data_stripe_counts< / div > < div class = "ttdoc" > Array of K: blocks accumulated per stripe slot.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00397" > context.h:397< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_aad3acc958f1b3e63fdeacfd349aff736" > < div class = "ttname" > < a href = "structaaruformat__context.html#aad3acc958f1b3e63fdeacfd349aff736" > aaruformat_context::ec_read_stripes< / a > < / div > < div class = "ttdeci" > void * ec_read_stripes< / div > < div class = "ttdoc" > Parsed EcReadStripe array for data group, NULL if no ECMB.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00403" > context.h:403< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_aafe10b9028dcb7a53c5b05b8db2b2ba8" > < div class = "ttname" > < a href = "structaaruformat__context.html#aafe10b9028dcb7a53c5b05b8db2b2ba8" > aaruformat_context::ec_block_lookup< / a > < / div > < div class = "ttdeci" > void * ec_block_lookup< / div > < div class = "ttdoc" > uthash: block file offset → stripe index + position (data group).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00405" > context.h:405< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ab37d2e5f32f48457696cea146a5b2caa" > < div class = "ttname" > < a href = "structaaruformat__context.html#ab37d2e5f32f48457696cea146a5b2caa" > aaruformat_context::ec_ddt_stripes< / a > < / div > < div class = "ttdeci" > void * ec_ddt_stripes< / div > < div class = "ttdoc" > Parsed EcReadStripe array for DDT-secondary group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00412" > context.h:412< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ab516fae594bde4f76b75488d0a3ca3a8" > < div class = "ttname" > < a href = "structaaruformat__context.html#ab516fae594bde4f76b75488d0a3ca3a8" > aaruformat_context::imageStream< / a > < / div > < div class = "ttdeci" > FILE * imageStream< / div > < div class = "ttdoc" > Underlying FILE* stream (binary mode).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00182" > context.h:182< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ab573ee68bfe1c6eecfe42a7d28fdc458" > < div class = "ttname" > < a href = "structaaruformat__context.html#ab573ee68bfe1c6eecfe42a7d28fdc458" > aaruformat_context::ec_meta_block_lookup< / a > < / div > < div class = "ttdeci" > void * ec_meta_block_lookup< / div > < div class = "ttdoc" > uthash: block file offset → stripe index + position (metadata group).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00411" > context.h:411< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ab97a719a5b4186695b67143db7376152" > < div class = "ttname" > < a href = "structaaruformat__context.html#ab97a719a5b4186695b67143db7376152" > aaruformat_context::index_entries< / a > < / div > < div class = "ttdeci" > UT_array * index_entries< / div > < div class = "ttdoc" > Flattened index entries (UT_array of IndexEntry).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00262" > context.h:262< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ac029d7423bbe5c8e94ec36430d549a2e" > < div class = "ttname" > < a href = "structaaruformat__context.html#ac029d7423bbe5c8e94ec36430d549a2e" > aaruformat_context::ec_ddt_shard_size< / a > < / div > < div class = "ttdeci" > uint32_t ec_ddt_shard_size< / div > < div class = "ttdoc" > Shard size for DDT-secondary group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00416" > context.h:416< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ac08b99bdbcd7a208e6893d59f0e02a17" > < div class = "ttname" > < a href = "structaaruformat__context.html#ac08b99bdbcd7a208e6893d59f0e02a17" > aaruformat_context::ec_enabled< / a > < / div > < div class = "ttdeci" > bool ec_enabled< / div > < div class = "ttdoc" > True if erasure coding is active.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00400" > context.h:400< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ac11104550371641bb95b74c83ed8b748" > < div class = "ttname" > < a href = "structaaruformat__context.html#ac11104550371641bb95b74c83ed8b748" > aaruformat_context::ec_data_parity< / a > < / div > < div class = "ttdeci" > uint8_t ** ec_data_parity< / div > < div class = "ttdoc" > Array of K * M parity buffers (interleaved stripe slots).< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00393" > context.h:393< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ac44480e69731f9f6de04ef2bea5671b5" > < div class = "ttname" > < a href = "structaaruformat__context.html#ac44480e69731f9f6de04ef2bea5671b5" > aaruformat_context::ec_ddt_K< / a > < / div > < div class = "ttdeci" > uint16_t ec_ddt_K< / div > < div class = "ttdoc" > K for DDT-secondary group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00414" > context.h:414< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_accc594756851ebcb6d4c234c7720cb44" > < div class = "ttname" > < a href = "structaaruformat__context.html#accc594756851ebcb6d4c234c7720cb44" > aaruformat_context::ec_meta_stripes< / a > < / div > < div class = "ttdeci" > void * ec_meta_stripes< / div > < div class = "ttdoc" > Parsed EcReadStripe array for metadata group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00406" > context.h:406< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_ae4d4729f684e901b5c1b5b07ce43bcad" > < div class = "ttname" > < a href = "structaaruformat__context.html#ae4d4729f684e901b5c1b5b07ce43bcad" > aaruformat_context::ec_meta_K< / a > < / div > < div class = "ttdeci" > uint16_t ec_meta_K< / div > < div class = "ttdoc" > K for metadata group.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00408" > context.h:408< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_aece272b6ba4a3451e5f56be5a1e5c7c5" > < div class = "ttname" > < a href = "structaaruformat__context.html#aece272b6ba4a3451e5f56be5a1e5c7c5" > aaruformat_context::ec_K< / a > < / div > < div class = "ttdeci" > uint16_t ec_K< / div > < div class = "ttdoc" > Data blocks per stripe.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00389" > context.h:389< / a > < / div > < / div >
< div class = "ttc" id = "astructaaruformat__context_html_af7b4e0a80f76581b0cb1440d9a689f0f" > < div class = "ttname" > < a href = "structaaruformat__context.html#af7b4e0a80f76581b0cb1440d9a689f0f" > aaruformat_context::ec_recovery_available< / a > < / div > < div class = "ttdeci" > bool ec_recovery_available< / div > < div class = "ttdoc" > True if ECMB loaded and recovery is possible.< / div > < div class = "ttdef" > < b > Definition< / b > < a href = "context_8h_source.html#l00418" > context.h:418< / a > < / div > < / div >
2026-04-11 23:17:09 +01:00
< div class = "ttc" id = "astructrs__context_html" > < div class = "ttname" > < a href = "structrs__context.html" > rs_context< / a > < / div > < div class = "ttdef" > < b > Definition< / b > < a href = "reed__solomon_8c_source.html#l00043" > reed_solomon.c:44< / a > < / div > < / div >
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2026-10-08 20:15:08 +01:00
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