74 lines
1.7 KiB
C#
74 lines
1.7 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using OpenRa.FileFormats;
|
|
using System.IO;
|
|
using System.Security.Cryptography;
|
|
|
|
namespace OpenRa.Game
|
|
{
|
|
static class PackageDownloader
|
|
{
|
|
static string[] allPackages = { };
|
|
static List<string> missingPackages = new List<string>();
|
|
static string currentPackage = null;
|
|
static MemoryStream content = null;
|
|
|
|
public static void SetPackageList(string[] packages)
|
|
{
|
|
allPackages = packages;
|
|
missingPackages = allPackages.Where(p => !HavePackage(p)).ToList();
|
|
|
|
if (currentPackage == null || !missingPackages.Contains(currentPackage))
|
|
BeginDownload();
|
|
}
|
|
|
|
public static void ReceiveChunk(string data)
|
|
{
|
|
|
|
}
|
|
|
|
static void BeginDownload()
|
|
{
|
|
if (missingPackages.Count == 0)
|
|
{ // we're finished downloading resources!
|
|
currentPackage = null;
|
|
return;
|
|
}
|
|
|
|
currentPackage = missingPackages[0];
|
|
missingPackages.RemoveAt(0);
|
|
|
|
content = new MemoryStream();
|
|
}
|
|
|
|
static void EndDownload()
|
|
{
|
|
File.WriteAllBytes(currentPackage.Split(':')[0], content.ToArray());
|
|
currentPackage = null;
|
|
|
|
BeginDownload();
|
|
}
|
|
|
|
public static bool IsIdle()
|
|
{
|
|
return currentPackage == null
|
|
&& missingPackages.Count == 0;
|
|
}
|
|
|
|
static bool HavePackage(string p)
|
|
{
|
|
var parts = p.Split(':');
|
|
return File.Exists(parts[0]) && CalculateSHA1(parts[0]) == parts[1];
|
|
}
|
|
|
|
public static string CalculateSHA1(string filename)
|
|
{
|
|
using (var csp = SHA1.Create())
|
|
return new string(csp.ComputeHash(File.ReadAllBytes(filename))
|
|
.SelectMany(a => a.ToString("x2")).ToArray());
|
|
}
|
|
}
|
|
}
|