public IncrementalPatchApplier(PatchIntercomms comms, PatchInfo patchInfo)
{
this.comms = comms;
this.patchInfo = patchInfo;
string patchVersion = patchInfo.PatchVersion();
patchDownloadPath = comms.GetDownloadPathForPatch(patchVersion);
patchDecompressPath = comms.GetDecompressPathForPatch(patchVersion);
}
private PatchResult CreateIncrementalPatch()
{
if (cancel)
{
return(PatchResult.Failed);
}
Directory.CreateDirectory(incrementalPatchOutputPath);
Directory.CreateDirectory(incrementalPatchTempPath);
incrementalPatch = new PatchInfo
{
FromVersion = previousVersion,
ToVersion = version
};
Log(Localization.Get(StringId.CreatingIncrementalPatch));
Stopwatch timer = Stopwatch.StartNew();
DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
TraverseIncrementalPatchRecursively(rootDirectory, "");
if (cancel)
{
return(PatchResult.Failed);
}
Log(Localization.Get(StringId.CompressingPatchIntoOneFile));
string compressedPatchPath = incrementalPatchOutputPath + incrementalPatch.PatchVersion() + PatchParameters.PATCH_FILE_EXTENSION;
ZipUtils.CompressFolderLZMA(incrementalPatchTempPath, compressedPatchPath);
Log(Localization.Get(StringId.WritingIncrementalPatchInfoToXML));
PatchUtils.SerializePatchInfoToXML(incrementalPatch, incrementalPatchOutputPath + incrementalPatch.PatchVersion() + PatchParameters.PATCH_INFO_EXTENSION);
patch.Patches.Add(new IncrementalPatch(previousVersion, version, new FileInfo(compressedPatchPath)));
PatchUtils.DeleteDirectory(incrementalPatchTempPath);
Log(Localization.Get(StringId.IncrementalPatchCreatedInXSeconds, timer.ElapsedSeconds()));
return(PatchResult.Success);
}
public PatchResult Run()
{
if (comms.Cancel)
{
return(PatchResult.Failed);
}
if (comms.IsUnderMaintenance())
{
return(PatchResult.Failed);
}
if (patchInfo.Files.Count > 0)
{
PatchUtils.DeleteDirectory(patchDecompressPath);
Directory.CreateDirectory(patchDecompressPath);
}
if (comms.Cancel)
{
return(PatchResult.Failed);
}
Stopwatch timer = Stopwatch.StartNew();
if (patchInfo.Files.Count > 0)
{
FileInfo patchFile = new FileInfo(patchDownloadPath);
if (!patchFile.Exists || !patchFile.MatchesSignature(patchInfo.CompressedFileSize, patchInfo.CompressedMd5Hash))
{
comms.Stage = PatchStage.DownloadingFiles;
Stopwatch downloadTimer = Stopwatch.StartNew();
comms.Log(Localization.Get(StringId.DownloadingPatchX, patchInfo.PatchVersion()));
patchFile = comms.DownloadManager.DownloadFileFromURLToPath(patchInfo.DownloadURL, patchDownloadPath, patchInfo.CompressedFileSize);
if (patchFile == null)
{
comms.FailReason = PatchFailReason.DownloadError;
comms.FailDetails = Localization.Get(StringId.E_PatchXCouldNotBeDownloaded, patchInfo.PatchVersion());
return(PatchResult.Failed);
}
else if (!patchFile.MatchesSignature(patchInfo.CompressedFileSize, patchInfo.CompressedMd5Hash))
{
comms.FailReason = PatchFailReason.CorruptDownloadError;
comms.FailDetails = Localization.Get(StringId.E_DownloadedFileXIsCorrupt, patchInfo.PatchVersion());
return(PatchResult.Failed);
}
else
{
comms.Log(Localization.Get(StringId.XDownloadedInYSeconds, patchInfo.PatchVersion(), downloadTimer.ElapsedSeconds()));
}
}
if (comms.Cancel)
{
return(PatchResult.Failed);
}
comms.Stage = PatchStage.ExtractingFilesFromArchive;
comms.Log(Localization.Get(StringId.DecompressingPatchX, patchInfo.PatchVersion()));
ZipUtils.DecompressFolderLZMA(patchFile.FullName, patchDecompressPath);
comms.Stage = PatchStage.UpdatingFiles;
comms.Log(Localization.Get(StringId.UpdatingXFiles, patchInfo.Files.Count));
int failedItemCount = 0;
for (int i = 0; i < patchInfo.Files.Count; i++)
{
if (comms.Cancel)
{
return(PatchResult.Failed);
}
string fileRelativePath = patchInfo.Files[i].Path;
string diffFileAbsolutePath = patchDecompressPath + fileRelativePath;
if (!File.Exists(diffFileAbsolutePath))
{
comms.Log(Localization.Get(StringId.E_DiffOfXDoesNotExist, Path.GetFileName(fileRelativePath)));
failedItemCount++;
continue;
}
string decompressAbsolutePath = comms.DecompressedFilesPath + fileRelativePath;
if (comms.SelfPatching && ApplyDiffToFile(decompressAbsolutePath, diffFileAbsolutePath, decompressAbsolutePath, i))
{
continue;
}
string localFileAbsolutePath = comms.RootPath + fileRelativePath;
string targetPath = comms.SelfPatching ? decompressAbsolutePath : localFileAbsolutePath;
if (!ApplyDiffToFile(localFileAbsolutePath, diffFileAbsolutePath, targetPath, i))
{
failedItemCount++;
}
}
comms.Log(Localization.Get(StringId.XFilesUpdatedSuccessfully, patchInfo.Files.Count - failedItemCount, patchInfo.Files.Count));
}
if (patchInfo.RenamedFiles.Count > 0)
{
comms.Log(Localization.Get(StringId.RenamingXFiles, patchInfo.RenamedFiles.Count));
if (!RenameItems(patchInfo.RenamedFiles))
{
return(PatchResult.Failed);
}
}
// Updating version code to the latest one will be done by SimplePatchTool, after checking
// whether or not all files are correctly updated
if (patchInfo.ToVersion < comms.VersionInfo.Version)
{
comms.UpdateVersion(patchInfo.ToVersion);
}
if (patchInfo.Files.Count > 0)
{
PatchUtils.DeleteDirectory(patchDecompressPath);
File.Delete(patchDownloadPath);
}
comms.Log(Localization.Get(StringId.PatchAppliedInXSeconds, timer.ElapsedSeconds()));
return(PatchResult.Success);
}