mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
Refactor: Move common reading code to separate class.
This commit is contained in:
@@ -74,15 +74,8 @@ namespace DiscImageChef.Core.Devices.Dumping
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byte[] cmdBuf;
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bool sense;
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ulong blocks = 0;
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uint blockSize = 512;
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ushort currentProfile = 0x0001;
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Decoders.ATA.AtaErrorRegistersCHS errorChs;
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Decoders.ATA.AtaErrorRegistersLBA28 errorLba;
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Decoders.ATA.AtaErrorRegistersLBA48 errorLba48;
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bool lbaMode = false;
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byte heads = 0, sectors = 0;
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ushort cylinders = 0;
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uint timeout = 5;
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double duration;
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@@ -155,192 +148,6 @@ namespace DiscImageChef.Core.Devices.Dumping
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sidecar.BlockMedia[0].ATA.Identify.Checksums = Checksum.GetChecksums(cmdBuf).ToArray();
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DataFile.WriteTo("ATA Dump", sidecar.BlockMedia[0].ATA.Identify.Image, cmdBuf);
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if(ataId.CurrentCylinders > 0 && ataId.CurrentHeads > 0 && ataId.CurrentSectorsPerTrack > 0)
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{
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cylinders = ataId.CurrentCylinders;
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heads = (byte)ataId.CurrentHeads;
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sectors = (byte)ataId.CurrentSectorsPerTrack;
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blocks = (ulong)(cylinders * heads * sectors);
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}
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if((ataId.CurrentCylinders == 0 || ataId.CurrentHeads == 0 || ataId.CurrentSectorsPerTrack == 0) &&
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(ataId.Cylinders > 0 && ataId.Heads > 0 && ataId.SectorsPerTrack > 0))
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{
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cylinders = ataId.Cylinders;
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heads = (byte)ataId.Heads;
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sectors = (byte)ataId.SectorsPerTrack;
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blocks = (ulong)(cylinders * heads * sectors);
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}
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if(ataId.Capabilities.HasFlag(Decoders.ATA.Identify.CapabilitiesBit.LBASupport))
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{
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blocks = ataId.LBASectors;
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lbaMode = true;
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}
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if(ataId.CommandSet2.HasFlag(Decoders.ATA.Identify.CommandSetBit2.LBA48))
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{
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blocks = ataId.LBA48Sectors;
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lbaMode = true;
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}
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uint physicalsectorsize = blockSize;
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if((ataId.PhysLogSectorSize & 0x8000) == 0x0000 &&
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(ataId.PhysLogSectorSize & 0x4000) == 0x4000)
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{
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if((ataId.PhysLogSectorSize & 0x1000) == 0x1000)
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{
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if(ataId.LogicalSectorWords <= 255 || ataId.LogicalAlignment == 0xFFFF)
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blockSize = 512;
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else
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blockSize = ataId.LogicalSectorWords * 2;
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}
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else
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blockSize = 512;
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if((ataId.PhysLogSectorSize & 0x2000) == 0x2000)
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{
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#pragma warning disable IDE0004 // Cast is necessary, otherwise incorrect value is created
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physicalsectorsize = blockSize * (uint)Math.Pow(2, (double)(ataId.PhysLogSectorSize & 0xF));
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#pragma warning restore IDE0004 // Cast is necessary, otherwise incorrect value is created
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}
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else
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physicalsectorsize = blockSize;
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}
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else
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{
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blockSize = 512;
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physicalsectorsize = 512;
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}
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bool ReadLba = false;
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bool ReadRetryLba = false;
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bool ReadDmaLba = false;
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bool ReadDmaRetryLba = false;
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bool ReadLba48 = false;
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bool ReadDmaLba48 = false;
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bool Read = false;
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bool ReadRetry = false;
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bool ReadDma = false;
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bool ReadDmaRetry = false;
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sense = dev.Read(out cmdBuf, out errorChs, false, 0, 0, 1, 1, timeout, out duration);
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Read = (!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
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sense = dev.Read(out cmdBuf, out errorChs, true, 0, 0, 1, 1, timeout, out duration);
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ReadRetry = (!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
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sense = dev.ReadDma(out cmdBuf, out errorChs, false, 0, 0, 1, 1, timeout, out duration);
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ReadDma = (!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
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sense = dev.ReadDma(out cmdBuf, out errorChs, true, 0, 0, 1, 1, timeout, out duration);
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ReadDmaRetry = (!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
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sense = dev.Read(out cmdBuf, out errorLba, false, 0, 1, timeout, out duration);
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ReadLba = (!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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sense = dev.Read(out cmdBuf, out errorLba, true, 0, 1, timeout, out duration);
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ReadRetryLba = (!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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sense = dev.ReadDma(out cmdBuf, out errorLba, false, 0, 1, timeout, out duration);
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ReadDmaLba = (!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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sense = dev.ReadDma(out cmdBuf, out errorLba, true, 0, 1, timeout, out duration);
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ReadDmaRetryLba = (!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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sense = dev.Read(out cmdBuf, out errorLba48, 0, 1, timeout, out duration);
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ReadLba48 = (!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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sense = dev.ReadDma(out cmdBuf, out errorLba48, 0, 1, timeout, out duration);
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ReadDmaLba48 = (!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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if(!lbaMode)
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{
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if(blocks > 0xFFFFFFF && !ReadLba48 && !ReadDmaLba48)
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{
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DicConsole.ErrorWriteLine("Device needs 48-bit LBA commands but I can't issue them... Aborting.");
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return;
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}
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if(!ReadLba && !ReadRetryLba && !ReadDmaLba && !ReadDmaRetryLba)
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{
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DicConsole.ErrorWriteLine("Device needs 28-bit LBA commands but I can't issue them... Aborting.");
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return;
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}
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}
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else
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{
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if(!Read && !ReadRetry && !ReadDma && !ReadDmaRetry)
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{
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DicConsole.ErrorWriteLine("Device needs CHS commands but I can't issue them... Aborting.");
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return;
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}
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}
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if(ReadDmaLba48)
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DicConsole.WriteLine("Using ATA READ DMA EXT command.");
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else if(ReadLba48)
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DicConsole.WriteLine("Using ATA READ EXT command.");
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else if(ReadDmaRetryLba)
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DicConsole.WriteLine("Using ATA READ DMA command with retries (LBA).");
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else if(ReadDmaLba)
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DicConsole.WriteLine("Using ATA READ DMA command (LBA).");
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else if(ReadRetryLba)
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DicConsole.WriteLine("Using ATA READ command with retries (LBA).");
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else if(ReadLba)
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DicConsole.WriteLine("Using ATA READ command (LBA).");
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else if(ReadDmaRetry)
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DicConsole.WriteLine("Using ATA READ DMA command with retries (CHS).");
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else if(ReadDma)
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DicConsole.WriteLine("Using ATA READ DMA command (CHS).");
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else if(ReadRetry)
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DicConsole.WriteLine("Using ATA READ command with retries (CHS).");
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else if(Read)
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DicConsole.WriteLine("Using ATA READ command (CHS).");
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uint blocksToRead = 64;
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bool error = true;
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while(lbaMode)
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{
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if(ReadDmaLba48)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba48, 0, (byte)blocksToRead, timeout, out duration);
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error = !(!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadLba48)
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{
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sense = dev.Read(out cmdBuf, out errorLba48, 0, (byte)blocksToRead, timeout, out duration);
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error = !(!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadDmaRetryLba)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba, true, 0, (byte)blocksToRead, timeout, out duration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadDmaLba)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba, false, 0, (byte)blocksToRead, timeout, out duration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadRetryLba)
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{
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sense = dev.Read(out cmdBuf, out errorLba, true, 0, (byte)blocksToRead, timeout, out duration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadLba)
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{
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sense = dev.Read(out cmdBuf, out errorLba, false, 0, (byte)blocksToRead, timeout, out duration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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if(error)
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blocksToRead /= 2;
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if(!error || blocksToRead == 1)
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break;
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}
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if(error && lbaMode)
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{
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DicConsole.ErrorWriteLine("Device error {0} trying to guess ideal transfer length.", dev.LastError);
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return;
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}
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DateTime start;
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DateTime end;
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double totalDuration = 0;
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@@ -359,7 +166,30 @@ namespace DiscImageChef.Core.Devices.Dumping
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DataFile dumpFile;
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if(lbaMode)
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// Initializate reader
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Reader ataReader = new Reader(dev, timeout, cmdBuf);
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// Fill reader blocks
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ulong blocks = ataReader.GetDeviceBlocks();
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// Check block sizes
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if(ataReader.GetBlockSize())
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{
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DicConsole.ErrorWriteLine(ataReader.ErrorMessage);
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return;
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}
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uint blockSize = ataReader.LogicalBlockSize;
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uint physicalsectorsize = ataReader.PhysicalBlockSize;
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// Check how many blocks to read, if error show and return
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if(ataReader.GetBlocksToRead())
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{
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DicConsole.ErrorWriteLine(ataReader.ErrorMessage);
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return;
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}
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uint blocksToRead = ataReader.BlocksToRead;
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ushort cylinders = ataReader.Cylinders;
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byte heads = ataReader.Heads;
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byte sectors = ataReader.Sectors;
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if(ataReader.IsLBA)
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{
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DicConsole.WriteLine("Reading {0} sectors at a time.", blocksToRead);
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@@ -373,8 +203,6 @@ namespace DiscImageChef.Core.Devices.Dumping
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if(aborted)
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break;
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double cmdDuration = 0;
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if((blocks - i) < blocksToRead)
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blocksToRead = (byte)(blocks - i);
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@@ -387,73 +215,28 @@ namespace DiscImageChef.Core.Devices.Dumping
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DicConsole.Write("\rReading sector {0} of {1} ({2:F3} MiB/sec.)", i, blocks, currentSpeed);
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error = true;
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byte status = 0, errorByte = 0;
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if(ReadDmaLba48)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba48, i, (byte)blocksToRead, timeout, out cmdDuration);
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error = !(!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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status = errorLba48.status;
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errorByte = errorLba48.error;
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}
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else if(ReadLba48)
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{
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sense = dev.Read(out cmdBuf, out errorLba48, i, (byte)blocksToRead, timeout, out cmdDuration);
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error = !(!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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status = errorLba48.status;
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errorByte = errorLba48.error;
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}
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else if(ReadDmaRetryLba)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba, true, (uint)i, (byte)blocksToRead, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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status = errorLba.status;
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errorByte = errorLba.error;
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}
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else if(ReadDmaLba)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba, false, (uint)i, (byte)blocksToRead, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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status = errorLba.status;
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errorByte = errorLba.error;
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}
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else if(ReadRetryLba)
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{
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sense = dev.Read(out cmdBuf, out errorLba, true, (uint)i, (byte)blocksToRead, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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status = errorLba.status;
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errorByte = errorLba.error;
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}
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else if(ReadLba)
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{
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sense = dev.Read(out cmdBuf, out errorLba, false, (uint)i, (byte)blocksToRead, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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status = errorLba.status;
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errorByte = errorLba.error;
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}
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bool error = ataReader.ReadBlocks(out cmdBuf, i, blocksToRead, out duration);
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if(!error)
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{
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mhddLog.Write(i, cmdDuration);
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mhddLog.Write(i, duration);
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ibgLog.Write(i, currentSpeed * 1024);
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dumpFile.Write(cmdBuf);
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}
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else
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{
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DicConsole.DebugWriteLine("Media-Scan", "ATA ERROR: {0} STATUS: {1}", errorByte, status);
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unreadableSectors.Add(i);
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if(cmdDuration < 500)
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if(duration < 500)
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mhddLog.Write(i, 65535);
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else
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mhddLog.Write(i, cmdDuration);
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mhddLog.Write(i, duration);
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ibgLog.Write(i, 0);
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dumpFile.Write(new byte[blockSize * blocksToRead]);
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}
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#pragma warning disable IDE0004 // Cast is necessary, otherwise incorrect value is created
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currentSpeed = ((double)blockSize * blocksToRead / (double)1048576) / (cmdDuration / (double)1000);
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currentSpeed = ((double)blockSize * blocksToRead / (double)1048576) / (duration / (double)1000);
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#pragma warning restore IDE0004 // Cast is necessary, otherwise incorrect value is created
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GC.Collect();
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}
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@@ -490,42 +273,11 @@ namespace DiscImageChef.Core.Devices.Dumping
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if(aborted)
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break;
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double cmdDuration = 0;
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DicConsole.Write("\rRetrying sector {0}, pass {1}, {3}{2}", badSector, pass + 1, forward ? "forward" : "reverse", runningPersistent ? "recovering partial data, " : "");
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if(ReadDmaLba48)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba48, badSector, 1, timeout, out cmdDuration);
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error = !(!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadLba48)
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{
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sense = dev.Read(out cmdBuf, out errorLba48, badSector, 1, timeout, out cmdDuration);
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error = !(!sense && (errorLba48.status & 0x27) == 0 && errorLba48.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadDmaRetryLba)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba, true, (uint)badSector, 1, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadDmaLba)
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{
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sense = dev.ReadDma(out cmdBuf, out errorLba, false, (uint)badSector, 1, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadRetryLba)
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{
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sense = dev.Read(out cmdBuf, out errorLba, true, (uint)badSector, 1, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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else if(ReadLba)
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{
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sense = dev.Read(out cmdBuf, out errorLba, false, (uint)badSector, 1, timeout, out cmdDuration);
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error = !(!sense && (errorLba.status & 0x27) == 0 && errorLba.error == 0 && cmdBuf.Length > 0);
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}
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bool error = ataReader.ReadBlock(out cmdBuf, badSector, out duration);
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totalDuration += cmdDuration;
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totalDuration += duration;
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if(!error)
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{
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@@ -567,8 +319,6 @@ namespace DiscImageChef.Core.Devices.Dumping
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if(aborted)
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break;
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double cmdDuration = 0;
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#pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
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if(currentSpeed > maxSpeed && currentSpeed != 0)
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maxSpeed = currentSpeed;
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@@ -578,61 +328,30 @@ namespace DiscImageChef.Core.Devices.Dumping
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DicConsole.Write("\rReading cylinder {0} head {1} sector {2} ({3:F3} MiB/sec.)", Cy, Hd, Sc, currentSpeed);
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error = true;
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byte status = 0, errorByte = 0;
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bool error = ataReader.ReadCHS(out cmdBuf, Cy, Hd, Sc, out duration);
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if(ReadDmaRetry)
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{
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sense = dev.ReadDma(out cmdBuf, out errorChs, true, Cy, Hd, Sc, 1, timeout, out cmdDuration);
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error = !(!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
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status = errorChs.status;
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errorByte = errorChs.error;
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}
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else if(ReadDma)
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{
|
||||
sense = dev.ReadDma(out cmdBuf, out errorChs, false, Cy, Hd, Sc, 1, timeout, out cmdDuration);
|
||||
error = !(!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
|
||||
status = errorChs.status;
|
||||
errorByte = errorChs.error;
|
||||
}
|
||||
else if(ReadRetry)
|
||||
{
|
||||
sense = dev.Read(out cmdBuf, out errorChs, true, Cy, Hd, Sc, 1, timeout, out cmdDuration);
|
||||
error = !(!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
|
||||
status = errorChs.status;
|
||||
errorByte = errorChs.error;
|
||||
}
|
||||
else if(Read)
|
||||
{
|
||||
sense = dev.Read(out cmdBuf, out errorChs, false, Cy, Hd, Sc, 1, timeout, out cmdDuration);
|
||||
error = !(!sense && (errorChs.status & 0x27) == 0 && errorChs.error == 0 && cmdBuf.Length > 0);
|
||||
status = errorChs.status;
|
||||
errorByte = errorChs.error;
|
||||
}
|
||||
|
||||
totalDuration += cmdDuration;
|
||||
totalDuration += duration;
|
||||
|
||||
if(!error)
|
||||
{
|
||||
mhddLog.Write(currentBlock, cmdDuration);
|
||||
mhddLog.Write(currentBlock, duration);
|
||||
ibgLog.Write(currentBlock, currentSpeed * 1024);
|
||||
dumpFile.Write(cmdBuf);
|
||||
}
|
||||
else
|
||||
{
|
||||
DicConsole.DebugWriteLine("Media-Scan", "ATA ERROR: {0} STATUS: {1}", errorByte, status);
|
||||
unreadableSectors.Add(currentBlock);
|
||||
if(cmdDuration < 500)
|
||||
if(duration < 500)
|
||||
mhddLog.Write(currentBlock, 65535);
|
||||
else
|
||||
mhddLog.Write(currentBlock, cmdDuration);
|
||||
mhddLog.Write(currentBlock, duration);
|
||||
|
||||
ibgLog.Write(currentBlock, 0);
|
||||
dumpFile.Write(new byte[blockSize]);
|
||||
}
|
||||
|
||||
#pragma warning disable IDE0004 // Cast is necessary, otherwise incorrect value is created
|
||||
currentSpeed = ((double)blockSize / (double)1048576) / (cmdDuration / (double)1000);
|
||||
currentSpeed = ((double)blockSize / (double)1048576) / (duration / (double)1000);
|
||||
#pragma warning disable IDE0004 // Cast is necessary, otherwise incorrect value is created
|
||||
GC.Collect();
|
||||
|
||||
|
||||
Reference in New Issue
Block a user