Ejemplo n.º 1
0
        /// <summary>
        /// Writes new local and remote version files into the build directory.
        /// </summary>
        public void WriteVersionFiles()
        {
            var localBuildInfo = new LocalBuildInfo();

            localBuildInfo.ProductVersionInfo = new ProductVersionInfo(InternalVersion, DisplayedVersion);

            var remoteBuildInfo = new RemoteBuildInfo();

            remoteBuildInfo.ProductVersionInfo = new ProductVersionInfo(InternalVersion, DisplayedVersion);

            string buildPath = Environment.CurrentDirectory +
                               Path.DirectorySeparatorChar + BuildDirectory + Path.DirectorySeparatorChar;

            foreach (FileEntry file in FileEntries)
            {
                string originalFilePath = Environment.CurrentDirectory +
                                          Path.DirectorySeparatorChar + file.FilePath;

                byte[] hash = HashHelper.ComputeHashForFile(originalFilePath);
                long   size = new FileInfo(originalFilePath).Length;
                localBuildInfo.AddFileInfo(new LocalFileInfo(file.FilePath, hash, size));

                RemoteFileInfo remoteFileInfo;

                if (file.Compressed)
                {
                    string compressedFilePath = buildPath + file.FilePath + RemoteFileInfo.COMPRESSED_FILE_EXTENSION;
                    remoteFileInfo = new RemoteFileInfo(file.FilePath, hash, size, true,
                                                        HashHelper.ComputeHashForFile(compressedFilePath),
                                                        new FileInfo(compressedFilePath).Length);
                }
                else
                {
                    remoteFileInfo = new RemoteFileInfo(file.FilePath, hash, size, false);
                }

                remoteBuildInfo.AddFileInfo(remoteFileInfo);
            }

            localBuildInfo.Write(buildPath + BuildHandler.LOCAL_BUILD_INFO_FILE);
            remoteBuildInfo.Write(buildPath + BuildHandler.REMOTE_BUILD_INFO_FILE);
        }
        private void PerformUpdateInternal()
        {
            UpdaterLogger.Log("Performing update.");

            CreateTemporaryDirectory();

            UpdateMirror updateMirror = updateMirrors[lastUpdateMirrorId];

            char dsc = Path.DirectorySeparatorChar;

            string buildPath         = localBuildInfo.BuildPath;
            string downloadDirectory = buildPath + TEMPORARY_UPDATER_DIRECTORY + dsc;

            List <RemoteFileInfo> filesToDownload = GatherFilesToDownload(buildPath, downloadDirectory);

            CleanUpDownloadDirectory(filesToDownload, downloadDirectory);

            UpdaterLogger.Log("Creating downloader.");

            UpdateDownloader downloader = new UpdateDownloader();

            downloader.DownloadProgress += Downloader_DownloadProgress;
            UpdateDownloadResult result = downloader.DownloadUpdates(buildPath, downloadDirectory, filesToDownload, updateMirror);

            downloader.DownloadProgress -= Downloader_DownloadProgress;

            lock (locker)
            {
                updateInProgress = false;
            }

            switch (result.UpdateDownloadResultState)
            {
            case UpdateDownloadResultType.CANCELLED:
                UpdateCancelled?.Invoke(this, EventArgs.Empty);
                return;

            case UpdateDownloadResultType.COMPLETED:
                // If a new second-stage updater was downloaded, update it
                // first before launching it

                string originalSecondStageUpdaterPath = localBuildInfo.BuildPath + SecondStageUpdaterPath;

                string updatedSecondStageUpdaterPath = localBuildInfo.BuildPath +
                                                       TEMPORARY_UPDATER_DIRECTORY + dsc +
                                                       SecondStageUpdaterPath;

                if (File.Exists(updatedSecondStageUpdaterPath))
                {
                    File.Delete(originalSecondStageUpdaterPath);
                    File.Move(updatedSecondStageUpdaterPath, originalSecondStageUpdaterPath);
                }

                // Also update the second-stage updater's config file

                string originalSecondStageConfigPath = Path.GetDirectoryName(originalSecondStageUpdaterPath)
                                                       + dsc + SECOND_STAGE_UPDATER_CONFIGURATION_FILE;

                string updatedSecondStageConfigPath = Path.GetDirectoryName(updatedSecondStageUpdaterPath)
                                                      + dsc + SECOND_STAGE_UPDATER_CONFIGURATION_FILE;

                if (File.Exists(updatedSecondStageConfigPath))
                {
                    File.Delete(originalSecondStageConfigPath);
                    File.Move(updatedSecondStageConfigPath, originalSecondStageConfigPath);
                }

                // Generate local build information file
                LocalBuildInfo newBuildInfo = LocalBuildInfoFromRemoteBuildInfo();
                newBuildInfo.Write(localBuildInfo.BuildPath + TEMPORARY_UPDATER_DIRECTORY + dsc + LOCAL_BUILD_INFO_FILE);

                Process.Start(originalSecondStageUpdaterPath);

                // No null checking necessary here, it's actually better to
                // crash the application in case this is not subscribed to
                DownloadCompleted.Invoke(this, EventArgs.Empty);
                return;

            case UpdateDownloadResultType.FAILED:
                UpdateFailed?.Invoke(this, new UpdateFailureEventArgs(result.ErrorDescription));
                return;
            }
        }