public UpdateManager(string patchServer, string remoteDataPath, string gameDataFolder)
{
PatchLog.Print("Starting UpdateManager(patchServer: {0}, remoteDataPath: {1}, gameDataFolder: {2})", patchServer, remoteDataPath, gameDataFolder);
_patchServer = patchServer;
_remoteDataPath = remoteDataPath;
_gameDataFolder = gameDataFolder;
}
public static Manifest GenerateManifest(string path)
{
PatchLog.Print("Generating Manifest: " + path + "/manifest");
Manifest m = new Manifest(null);
Directory.CreateDirectory(path);
string[] files = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories);
foreach (string file in files)
{
string relative = file.Substring(path.Length);
if (Path.GetFileName(relative) == "manifest")
{
continue;
}
string hash = Hash.HashFile(file);
m._files[relative] = hash;
}
m.Save(path + "/manifest");
return(m);
}
void DoUpdate()
{
DateTime start = DateTime.Now;
// Request remote manifest
OnStatusChange("Requesting Remote Manifest", 0, 0);
string serverDataPath = _patchServer + _remoteDataPath;
PatchLog.Print("Requesting Remote Manifest: " + serverDataPath + "manifest");
WebRequest wr = new WebRequest(serverDataPath + "manifest", WebRequest.RequestType.String);
// Load/Generate local manifest
OnStatusChange("Getting Local Manifest", 0, 0);
string manifestFileName = _gameDataFolder + "manifest";
Manifest localManifest = Manifest.Load(manifestFileName);
// Wait for remote manifest
OnStatusChange("Waiting for Remote Manifest", 0, 0);
string result = wr.WaitForResponseString();
PatchLog.Print("Remote Manifest Status: " + wr.Status);
if (wr.Status != WebRequest.WebRequestStatus.Download_Complete)
{
OnStatusChange("Unable to get manifest from the server", 0, 0);
OnUpdateFinished(false);
return;
}
Manifest remoteManifest = new Manifest(result.Replace("\r", "").Split('\n'));
// Compare manifests
OnStatusChange("Comparing manifests", 0, 0);
ManifestDifference[] differences = Manifest.Compare(localManifest, remoteManifest);
PatchLog.Print("Comparing manifests. Differences: " + differences.Length);
// Delete local files and kickoff downloads
OnStatusChange("Starting Downloads", 0, 0);
foreach (ManifestDifference md in differences)
{
if (md.Delete)
{
PatchLog.Print("Removing file: " + _gameDataFolder + md.File);
File.Delete(_gameDataFolder + md.File);
}
else
{
string webFile = md.File.Replace("\\", "/");
md.WebFile = webFile.TrimStart('/');
PatchLog.Print("Downloading file: {0} -> {1}", serverDataPath + md.WebFile, _gameDataFolder + md.File + ".compressed");
md.Request = new WebRequest(serverDataPath + md.WebFile, WebRequest.RequestType.File, _gameDataFolder + md.File + ".compressed");
}
}
// Wait for requests to complete and decompress them
int doneCount = 0;
do
{
doneCount = 0;
string currentStatus = null;
float percent = 0;
foreach (ManifestDifference md in differences)
{
if (md.Request != null)
{
if (md.Request.Status >= WebRequest.WebRequestStatus.Download_Canceled)
{
PatchLog.Print("Download Finished for file {0}. Status: {1}", md.File, md.Request.Status);
if (md.Request.Status == WebRequest.WebRequestStatus.Download_Complete)
{
// This request is done but hasn't been decompressed yet
md.Decompress = new Zip();
string compressedFile = _gameDataFolder + md.File + ".compressed";
md.Decompress.DecompressAsync(compressedFile, _gameDataFolder + md.File);
PatchLog.Print("Decompressing {0} -> {1}", compressedFile, _gameDataFolder + md.File);
//while (!md.Decompress.Finished) { Thread.Sleep(50); }
//md.Decompress = null;
// Mark this request done
md.Request = null;
}
else
{
// This request failed, try it again
PatchLog.Print("Failed to download {0}.\n{1}", md.File, md.Request.ResultString);
md.Request = new WebRequest(serverDataPath + md.WebFile, WebRequest.RequestType.File, _gameDataFolder + md.File + ".compressed");
}
}
else if (currentStatus == null)
{
currentStatus = "Downloading: " + md.File;
percent = md.Request.PercentComplete / 100.0f;
}
}
else if (md.Decompress != null)
{
if (md.Decompress.Finished)
{
string compressedFile = _gameDataFolder + md.File + ".compressed";
PatchLog.Print("Decompress finished. Deleting compressed file: " + compressedFile);
File.Delete(compressedFile);
md.Decompress = null;
}
else if (currentStatus == null)
{
currentStatus = "Decompressing: " + md.File;
percent = md.Decompress.Progress;
}
}
else
{
doneCount++;
}
}
if (currentStatus != null)
{
OnStatusChange(currentStatus, percent, (float)doneCount / (float)differences.Length);
}
Thread.Sleep(10);
} while (doneCount < differences.Length);
// Save the remote manifest as our own
remoteManifest.Save(manifestFileName);
// All done
TimeSpan s = DateTime.Now - start;
string updateTimeStatus = string.Format("Completed. ({0} seconds)", s.TotalSeconds);
OnStatusChange(updateTimeStatus, 1, 1);
PatchLog.Print(updateTimeStatus);
OnUpdateFinished(true);
}