/// <summary> /// Initializes the logger by subscribing to events of IEventSource /// </summary> public void Initialize(IEventSource eventSource) { _initialTargetOutputLogging = Environment.GetEnvironmentVariable("MSBUILDTARGETOUTPUTLOGGING"); _initialLogImports = Traits.Instance.EscapeHatches.LogProjectImports; Environment.SetEnvironmentVariable("MSBUILDTARGETOUTPUTLOGGING", "true"); Environment.SetEnvironmentVariable("MSBUILDLOGIMPORTS", "1"); Traits.Instance.EscapeHatches.LogProjectImports = true; ProcessParameters(); try { string logDirectory = null; try { logDirectory = Path.GetDirectoryName(FilePath); } catch (Exception) { // Directory creation is best-effort; if finding its path fails don't create the directory // and possibly let the FileStream constructor below report the failure } if (logDirectory != null) { Directory.CreateDirectory(logDirectory); } stream = new FileStream(FilePath, FileMode.Create); if (CollectProjectImports != ProjectImportsCollectionMode.None) { projectImportsCollector = new ProjectImportsCollector(FilePath); } if (eventSource is IEventSource3 eventSource3) { eventSource3.IncludeEvaluationMetaprojects(); } } catch (Exception e) { string errorCode; string helpKeyword; string message = ResourceUtilities.FormatResourceStringStripCodeAndKeyword(out errorCode, out helpKeyword, "InvalidFileLoggerFile", FilePath, e.Message); throw new LoggerException(message, e, errorCode, helpKeyword); } stream = new GZipStream(stream, CompressionLevel.Optimal); binaryWriter = new BinaryWriter(stream); eventArgsWriter = new BuildEventArgsWriter(binaryWriter); binaryWriter.Write(FileFormatVersion); LogInitialInfo(); eventSource.AnyEventRaised += EventSource_AnyEventRaised; }
/// <summary> /// Closes the underlying file stream. /// </summary> public void Shutdown() { Environment.SetEnvironmentVariable("MSBUILDTARGETOUTPUTLOGGING", _initialTargetOutputLogging); Environment.SetEnvironmentVariable("MSBUILDLOGIMPORTS", _initialLogImports ? "1" : ""); Traits.Instance.EscapeHatches.LogProjectImports = _initialLogImports; if (projectImportsCollector != null) { projectImportsCollector.Close(); if (CollectProjectImports == ProjectImportsCollectionMode.Embed) { var archiveFilePath = projectImportsCollector.ArchiveFilePath; // It is possible that the archive couldn't be created for some reason. // Only embed it if it actually exists. if (FileSystems.Default.FileExists(archiveFilePath)) { eventArgsWriter.WriteBlob(BinaryLogRecordKind.ProjectImportArchive, File.ReadAllBytes(archiveFilePath)); File.Delete(archiveFilePath); } } projectImportsCollector = null; } if (stream != null) { // It's hard to determine whether we're at the end of decoding GZipStream // so add an explicit 0 at the end to signify end of file stream.WriteByte((byte)BinaryLogRecordKind.EndOfFile); stream.Flush(); stream.Dispose(); stream = null; } }