mirror of
https://github.com/aaru-dps/Aaru.Server.git
synced 2025-12-16 19:24:27 +00:00
489 lines
20 KiB
C#
489 lines
20 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Program.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : DiscImageChef Server Task.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Runs time consuming server tasks.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2019 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Net;
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using DiscImageChef.Server.Models;
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using HtmlAgilityPack;
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using Microsoft.EntityFrameworkCore;
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namespace DiscImageChef.Server.Task
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{
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internal class Program
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{
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public static void Main(string[] args)
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{
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DateTime start, end;
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start = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Connecting to database...", DateTime.UtcNow);
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var ctx = new DicServerContext();
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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System.Console.WriteLine("{0}: Migrating database to latest version...", DateTime.UtcNow);
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start = DateTime.UtcNow;
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ctx.Database.Migrate();
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", DateTime.UtcNow, (end - start).TotalSeconds);
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WebClient client;
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try
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{
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System.Console.WriteLine("{0}: Retrieving USB IDs from Linux USB...", DateTime.UtcNow);
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start = DateTime.UtcNow;
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client = new WebClient();
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var sr = new StringReader(client.DownloadString("http://www.linux-usb.org/usb.ids"));
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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UsbVendor vendor = null;
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int newVendors = 0;
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int newProducts = 0;
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int modifiedVendors = 0;
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int modifiedProducts = 0;
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int counter = 0;
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start = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Adding and updating database entries...", DateTime.UtcNow);
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do
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{
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if(counter == 1000)
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{
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DateTime start2 = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Saving changes", start2);
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ctx.SaveChanges();
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start2).TotalSeconds);
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counter = 0;
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}
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string line = sr.ReadLine();
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if(line is null)
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break;
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if(line.Length == 0 ||
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line[0] == '#')
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continue;
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ushort number;
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string name;
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if(line[0] == '\t')
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{
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try
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{
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number = Convert.ToUInt16(line.Substring(1, 4), 16);
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}
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catch(FormatException)
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{
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continue;
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}
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if(number == 0)
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continue;
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name = line.Substring(7);
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UsbProduct product =
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ctx.UsbProducts.FirstOrDefault(p => p.ProductId == number && p.Vendor != null &&
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p.Vendor.VendorId == vendor.VendorId);
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if(product is null)
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{
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product = new UsbProduct(vendor, number, name);
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ctx.UsbProducts.Add(product);
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System.Console.WriteLine("{0}: Will add product {1} with ID {2:X4} and vendor {3} ({4:X4})",
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DateTime.UtcNow, product.Product, product.ProductId,
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product.Vendor?.Vendor ?? "null", product.Vendor?.VendorId ?? 0);
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newProducts++;
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counter++;
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}
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else if(name != product.Product)
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{
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System.Console.
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WriteLine("{0}: Will modify product with ID {1:X4} and vendor {2} ({3:X4}) from \"{4}\" to \"{5}\"",
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DateTime.UtcNow, product.ProductId, product.Vendor?.Vendor ?? "null",
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product.Vendor?.VendorId ?? 0,
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product.Product, name);
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product.Product = name;
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product.ModifiedWhen = DateTime.UtcNow;
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modifiedProducts++;
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counter++;
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}
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continue;
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}
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try
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{
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number = Convert.ToUInt16(line.Substring(0, 4), 16);
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}
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catch(FormatException)
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{
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continue;
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}
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if(number == 0)
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continue;
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name = line.Substring(6);
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vendor = ctx.UsbVendors.FirstOrDefault(v => v.VendorId == number);
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if(vendor is null)
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{
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vendor = new UsbVendor(number, name);
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ctx.UsbVendors.Add(vendor);
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System.Console.WriteLine("{0}: Will add vendor {1} with ID {2:X4}", DateTime.UtcNow,
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vendor.Vendor, vendor.VendorId);
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newVendors++;
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counter++;
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}
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else if(name != vendor.Vendor)
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{
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System.Console.WriteLine("{0}: Will modify vendor with ID {1:X4} from \"{2}\" to \"{3}\"",
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DateTime.UtcNow, vendor.VendorId, vendor.Vendor, name);
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vendor.Vendor = name;
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vendor.ModifiedWhen = DateTime.UtcNow;
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modifiedVendors++;
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counter++;
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}
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} while(true);
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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System.Console.WriteLine("{0}: Saving database changes...", DateTime.UtcNow);
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start = DateTime.UtcNow;
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ctx.SaveChanges();
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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System.Console.WriteLine("{0}: {1} vendors added.", DateTime.UtcNow, newVendors);
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System.Console.WriteLine("{0}: {1} products added.", DateTime.UtcNow, newProducts);
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System.Console.WriteLine("{0}: {1} vendors modified.", DateTime.UtcNow, modifiedVendors);
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System.Console.WriteLine("{0}: {1} products modified.", DateTime.UtcNow, modifiedProducts);
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System.Console.WriteLine("{0}: Looking up a vendor", DateTime.UtcNow);
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start = DateTime.UtcNow;
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vendor = ctx.UsbVendors.FirstOrDefault(v => v.VendorId == 0x8086);
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if(vendor is null)
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System.Console.WriteLine("{0}: Error, could not find vendor.", DateTime.UtcNow);
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else
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System.Console.WriteLine("{0}: Found {1}.", DateTime.UtcNow, vendor.Vendor);
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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System.Console.WriteLine("{0}: Looking up a product", DateTime.UtcNow);
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start = DateTime.UtcNow;
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UsbProduct prd =
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ctx.UsbProducts.FirstOrDefault(p => p.ProductId == 0x0001 && p.Vendor.VendorId == 0x8086);
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if(prd is null)
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System.Console.WriteLine("{0}: Error, could not find product.", DateTime.UtcNow);
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else
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System.Console.WriteLine("{0}: Found {1}.", DateTime.UtcNow, prd.Product);
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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}
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catch(Exception ex)
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{
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#if DEBUG
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if(Debugger.IsAttached)
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throw;
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#endif
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System.Console.WriteLine("{0}: Exception {1} filling USB IDs...", DateTime.UtcNow, ex);
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}
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System.Console.WriteLine("{0}: Fixing all devices without modification time...", DateTime.UtcNow);
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start = DateTime.UtcNow;
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foreach(Device device in ctx.Devices.Where(d => d.ModifiedWhen == null))
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device.ModifiedWhen = device.AddedWhen;
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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System.Console.WriteLine("{0}: Committing changes...", DateTime.UtcNow);
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start = DateTime.UtcNow;
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ctx.SaveChanges();
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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try
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{
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System.Console.WriteLine("{0}: Retrieving CompactDisc read offsets from AccurateRip...",
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DateTime.UtcNow);
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start = DateTime.UtcNow;
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client = new WebClient();
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string html = client.DownloadString("http://www.accuraterip.com/driveoffsets.htm");
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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// The HTML is too malformed to process easily, so find start of table
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html = "<html><body><table><tr>" +
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html.Substring(html.IndexOf("<td bgcolor=\"#000000\">", StringComparison.Ordinal));
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var doc = new HtmlDocument();
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doc.LoadHtml(html);
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HtmlNode firstTable = doc.DocumentNode.SelectSingleNode("/html[1]/body[1]/table[1]");
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bool firstRow = true;
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int addedOffsets = 0;
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int modifiedOffsets = 0;
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System.Console.WriteLine("{0}: Processing offsets...", DateTime.UtcNow);
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start = DateTime.UtcNow;
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foreach(HtmlNode row in firstTable.Descendants("tr"))
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{
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HtmlNode[] columns = row.Descendants("td").ToArray();
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if(columns.Length != 4)
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{
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System.Console.WriteLine("{0}: Row does not have correct number of columns...",
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DateTime.UtcNow);
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continue;
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}
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string column0 = columns[0].InnerText;
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string column1 = columns[1].InnerText;
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string column2 = columns[2].InnerText;
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string column3 = columns[3].InnerText;
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if(firstRow)
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{
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if(column0.ToLowerInvariant() != "cd drive")
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{
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System.Console.WriteLine("{0}: Unexpected header \"{1}\" found...", DateTime.UtcNow,
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columns[0].InnerText);
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break;
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}
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if(column1.ToLowerInvariant() != "correction offset")
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{
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System.Console.WriteLine("{0}: Unexpected header \"{1}\" found...", DateTime.UtcNow,
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columns[1].InnerText);
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break;
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}
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if(column2.ToLowerInvariant() != "submitted by")
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{
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System.Console.WriteLine("{0}: Unexpected header \"{1}\" found...", DateTime.UtcNow,
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columns[2].InnerText);
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break;
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}
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if(column3.ToLowerInvariant() != "percentage agree")
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{
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System.Console.WriteLine("{0}: Unexpected header \"{1}\" found...", DateTime.UtcNow,
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columns[3].InnerText);
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break;
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}
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firstRow = false;
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continue;
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}
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string manufacturer;
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string model;
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if(column0[0] == '-' &&
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column0[1] == ' ')
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{
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manufacturer = null;
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model = column0.Substring(2).Trim();
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}
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else
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{
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int cutOffset = column0.IndexOf(" - ", StringComparison.Ordinal);
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if(cutOffset == -1)
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{
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manufacturer = null;
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model = column0;
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}
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else
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{
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manufacturer = column0.Substring(0, cutOffset).Trim();
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model = column0.Substring(cutOffset + 3).Trim();
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}
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}
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switch(manufacturer)
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{
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case"Lite-ON":
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manufacturer = "JLMS";
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break;
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case"LG Electronics":
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manufacturer = "HL-DT-ST";
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break;
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case"Panasonic":
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manufacturer = "MATSHITA";
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break;
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}
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CompactDiscOffset cdOffset =
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ctx.CdOffsets.FirstOrDefault(o => o.Manufacturer == manufacturer && o.Model == model);
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if(column1.ToLowerInvariant() == "[purged]")
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{
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if(cdOffset != null)
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ctx.CdOffsets.Remove(cdOffset);
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continue;
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}
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if(!short.TryParse(column1, out short offset))
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continue;
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if(!int.TryParse(column2, out int submissions))
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continue;
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if(column3[column3.Length - 1] != '%')
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continue;
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column3 = column3.Substring(0, column3.Length - 1);
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if(!float.TryParse(column3, out float percentage))
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continue;
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percentage /= 100;
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if(cdOffset is null)
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{
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cdOffset = new CompactDiscOffset
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{
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AddedWhen = DateTime.UtcNow, ModifiedWhen = DateTime.UtcNow, Agreement = percentage,
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Manufacturer = manufacturer, Model = model, Offset = offset,
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Submissions = submissions
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};
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ctx.CdOffsets.Add(cdOffset);
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addedOffsets++;
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}
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else
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{
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if(Math.Abs(cdOffset.Agreement - percentage) > 0)
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{
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cdOffset.Agreement = percentage;
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cdOffset.ModifiedWhen = DateTime.UtcNow;
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}
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if(cdOffset.Offset != offset)
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{
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cdOffset.Offset = offset;
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cdOffset.ModifiedWhen = DateTime.UtcNow;
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}
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if(cdOffset.Submissions != submissions)
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{
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cdOffset.Submissions = submissions;
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cdOffset.ModifiedWhen = DateTime.UtcNow;
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}
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if(Math.Abs(cdOffset.Agreement - percentage) > 0 ||
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cdOffset.Offset != offset ||
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cdOffset.Submissions != submissions)
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modifiedOffsets++;
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}
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foreach(Device device in ctx.
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Devices.
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Where(d => d.Manufacturer == null && d.Model != null &&
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d.Model.Trim() == model).
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Union(ctx.Devices.Where(d => d.Manufacturer != null &&
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d.Manufacturer.Trim() == manufacturer &&
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d.Model != null &&
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d.Model == model)))
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{
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if(device.CdOffset == cdOffset &&
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device.ModifiedWhen == cdOffset.ModifiedWhen)
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continue;
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device.CdOffset = cdOffset;
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device.ModifiedWhen = cdOffset.ModifiedWhen;
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}
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}
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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System.Console.WriteLine("{0}: Committing changes...", DateTime.UtcNow);
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start = DateTime.UtcNow;
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ctx.SaveChanges();
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end = DateTime.UtcNow;
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System.Console.WriteLine("{0}: Took {1:F2} seconds", end, (end - start).TotalSeconds);
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System.Console.WriteLine("{0}: Added {1} offsets", end, addedOffsets);
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System.Console.WriteLine("{0}: Modified {1} offsets", end, modifiedOffsets);
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}
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catch(Exception ex)
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{
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#if DEBUG
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if(Debugger.IsAttached)
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throw;
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#endif
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System.Console.WriteLine("{0}: Exception {1} filling CompactDisc read offsets...", DateTime.UtcNow, ex);
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}
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}
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}
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} |