Files
Aaru.Server/DiscImageChef.Server.Task/Program.cs
2019-11-02 21:39:19 +00:00

448 lines
19 KiB
C#

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