Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / Diagnostics / TraceInternal.cs / 1 / TraceInternal.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Diagnostics { using System.Threading; using System.IO; using System.Security.Permissions; using System.Collections; internal static class TraceInternal { private static TraceEventCache eventCache = null; private static string appName = null; static TraceListenerCollection listeners; static bool autoFlush; static bool useGlobalLock; [ThreadStatic] static int indentLevel; static int indentSize; static bool settingsInitialized; static bool defaultInitialized; // this is internal so TraceSource can use it. We want to lock on the same object because both TraceInternal and // TraceSource could be writing to the same listeners at the same time. internal static readonly object critSec = new object(); public static TraceListenerCollection Listeners { get { InitializeSettings(); if (listeners == null) { lock (critSec) { if (listeners == null) { // We only need to check that the main section exists. Everything else will get // created for us if it doesn't exist already. SystemDiagnosticsSection configSectionSav = DiagnosticsConfiguration.SystemDiagnosticsSection; if (configSectionSav != null) { listeners = configSectionSav.Trace.Listeners.GetRuntimeObject(); } else { // If machine.config was deleted the code will get to here // supply at least something to prevent the world from coming to // an abrupt end. listeners = new TraceListenerCollection(); TraceListener defaultListener = new DefaultTraceListener(); defaultListener.IndentLevel = indentLevel; defaultListener.IndentSize = indentSize; listeners.Add(defaultListener); } } } } return listeners; } } internal static string AppName { get { if (appName == null) { new EnvironmentPermission(EnvironmentPermissionAccess.Read, "Path").Assert(); appName = Path.GetFileName(Environment.GetCommandLineArgs()[0]); } return appName; } } public static bool AutoFlush { get { InitializeSettings(); return autoFlush; } set { InitializeSettings(); autoFlush = value; } } public static bool UseGlobalLock { get { InitializeSettings(); return useGlobalLock; } set { InitializeSettings(); useGlobalLock = value; } } internal static TraceEventCache EventCache { get { if (eventCache == null) eventCache= new TraceEventCache(); return eventCache; } } public static int IndentLevel { get { return indentLevel; } set { // Use global lock lock (critSec) { // We don't want to throw here -- it is very bad form to have debug or trace // code throw exceptions! if (value < 0) { value = 0; } indentLevel = value; if (listeners != null) { foreach (TraceListener listener in Listeners) { listener.IndentLevel = indentLevel; } } } } } public static int IndentSize { get { InitializeSettings(); return indentSize; } set { InitializeSettings(); SetIndentSize(value); } } static void SetIndentSize(int value) { // Use global lock lock (critSec) { // We don't want to throw here -- it is very bad form to have debug or trace // code throw exceptions! if (value < 0) { value = 0; } indentSize = value; if (listeners != null) { foreach (TraceListener listener in Listeners) { listener.IndentSize = indentSize; } } } } public static void Indent() { // Use global lock lock (critSec) { InitializeSettings(); if (indentLevel < Int32.MaxValue) { indentLevel++; } foreach (TraceListener listener in Listeners) { listener.IndentLevel = indentLevel; } } } public static void Unindent() { // Use global lock lock (critSec) { InitializeSettings(); if (indentLevel > 0) { indentLevel--; } foreach (TraceListener listener in Listeners) { listener.IndentLevel = indentLevel; } } } public static void Flush() { if (listeners != null) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.Flush(); } } else { listener.Flush(); } } } } } public static void Close() { if (listeners != null) { // Use global lock lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Close(); } } } } public static void Assert(bool condition) { if (condition) return; Fail(string.Empty); } public static void Assert(bool condition, string message) { if (condition) return; Fail(message); } public static void Assert(bool condition, string message, string detailMessage) { if (condition) return; Fail(message, detailMessage); } public static void Fail(string message) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Fail(message); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.Fail(message); if (AutoFlush) listener.Flush(); } } else { listener.Fail(message); if (AutoFlush) listener.Flush(); } } } } public static void Fail(string message, string detailMessage) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Fail(message, detailMessage); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.Fail(message, detailMessage); if (AutoFlush) listener.Flush(); } } else { listener.Fail(message, detailMessage); if (AutoFlush) listener.Flush(); } } } } private static void InitializeSettings() { // we want to redo this logic exactly once if the last time we entered the config // system was still initializing. (ASURT 111941, VSWhidbey 149552) if (!settingsInitialized || (defaultInitialized && DiagnosticsConfiguration.IsInitialized())) { defaultInitialized = DiagnosticsConfiguration.IsInitializing(); // Getting IndentSize and AutoFlush will load config on demand. // If we load config and there are trace listeners added, we'll // end up recursing, but that recursion will be stopped in // DiagnosticsConfiguration.Initialize() SetIndentSize(DiagnosticsConfiguration.IndentSize); autoFlush = DiagnosticsConfiguration.AutoFlush; useGlobalLock = DiagnosticsConfiguration.UseGlobalLock; settingsInitialized = true; } } public static void TraceEvent(TraceEventType eventType, int id, string format, params object[] args) { if (UseGlobalLock) { lock (critSec) { if (args == null) { foreach (TraceListener listener in Listeners) { listener.TraceEvent(EventCache, AppName, eventType, id, format); if (AutoFlush) listener.Flush(); } } else { foreach (TraceListener listener in Listeners) { listener.TraceEvent(EventCache, AppName, eventType, id, format, args); if (AutoFlush) listener.Flush(); } } } } else { if (args == null) { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.TraceEvent(EventCache, AppName, eventType, id, format); if (AutoFlush) listener.Flush(); } } else { listener.TraceEvent(EventCache, AppName, eventType, id, format); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.TraceEvent(EventCache, AppName, eventType, id, format, args); if (AutoFlush) listener.Flush(); } } else { listener.TraceEvent(EventCache, AppName, eventType, id, format, args); if (AutoFlush) listener.Flush(); } } } } EventCache.Clear(); } public static void Write(string message) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Write(message); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.Write(message); if (AutoFlush) listener.Flush(); } } else { listener.Write(message); if (AutoFlush) listener.Flush(); } } } } public static void Write(object value) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Write(value); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.Write(value); if (AutoFlush) listener.Flush(); } } else { listener.Write(value); if (AutoFlush) listener.Flush(); } } } } public static void Write(string message, string category) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Write(message, category); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.Write(message, category); if (AutoFlush) listener.Flush(); } } else { listener.Write(message, category); if (AutoFlush) listener.Flush(); } } } } public static void Write(object value, string category) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.Write(value, category); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.Write(value, category); if (AutoFlush) listener.Flush(); } } else { listener.Write(value, category); if (AutoFlush) listener.Flush(); } } } } public static void WriteLine(string message) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.WriteLine(message); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.WriteLine(message); if (AutoFlush) listener.Flush(); } } else { listener.WriteLine(message); if (AutoFlush) listener.Flush(); } } } } public static void WriteLine(object value) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.WriteLine(value); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.WriteLine(value); if (AutoFlush) listener.Flush(); } } else { listener.WriteLine(value); if (AutoFlush) listener.Flush(); } } } } public static void WriteLine(string message, string category) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.WriteLine(message, category); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.WriteLine(message, category); if (AutoFlush) listener.Flush(); } } else { listener.WriteLine(message, category); if (AutoFlush) listener.Flush(); } } } } public static void WriteLine(object value, string category) { if (UseGlobalLock) { lock (critSec) { foreach (TraceListener listener in Listeners) { listener.WriteLine(value, category); if (AutoFlush) listener.Flush(); } } } else { foreach (TraceListener listener in Listeners) { if (!listener.IsThreadSafe) { lock (listener) { listener.WriteLine(value, category); if (AutoFlush) listener.Flush(); } } else { listener.WriteLine(value, category); if (AutoFlush) listener.Flush(); } } } } public static void WriteIf(bool condition, string message) { if (condition) Write(message); } public static void WriteIf(bool condition, object value) { if (condition) Write(value); } public static void WriteIf(bool condition, string message, string category) { if (condition) Write(message, category); } public static void WriteIf(bool condition, object value, string category) { if (condition) Write(value, category); } public static void WriteLineIf(bool condition, string message) { if (condition) WriteLine(message); } public static void WriteLineIf(bool condition, object value) { if (condition) WriteLine(value); } public static void WriteLineIf(bool condition, string message, string category) { if (condition) WriteLine(message, category); } public static void WriteLineIf(bool condition, object value, string category) { if (condition) WriteLine(value, category); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PartialCachingControl.cs
- ColumnResult.cs
- HtmlSelectionListAdapter.cs
- AddDataControlFieldDialog.cs
- WindowsListViewGroup.cs
- DBSchemaTable.cs
- ControlAdapter.cs
- SystemPens.cs
- SequenceDesignerAccessibleObject.cs
- FontCollection.cs
- LambdaCompiler.Unary.cs
- DefaultAsyncDataDispatcher.cs
- FixedTextBuilder.cs
- MemberAssignment.cs
- FamilyMap.cs
- MaterialGroup.cs
- RijndaelManaged.cs
- DbMetaDataFactory.cs
- XmlSchemaInferenceException.cs
- ProfileBuildProvider.cs
- DataBoundControlHelper.cs
- XmlSchemaAppInfo.cs
- ConnectionProviderAttribute.cs
- Renderer.cs
- BasicKeyConstraint.cs
- DataRecord.cs
- CharacterMetricsDictionary.cs
- LoadRetryHandler.cs
- AudioFormatConverter.cs
- PathTooLongException.cs
- DispatcherFrame.cs
- Pkcs7Signer.cs
- ElementMarkupObject.cs
- AmbientProperties.cs
- SqlUDTStorage.cs
- Image.cs
- ListViewHitTestInfo.cs
- BufferedWebEventProvider.cs
- Serializer.cs
- PropertyValueUIItem.cs
- WebPartVerbsEventArgs.cs
- XsltQilFactory.cs
- EpmSyndicationContentDeSerializer.cs
- SqlDataSourceView.cs
- PathStreamGeometryContext.cs
- CorrelationService.cs
- Unit.cs
- Point.cs
- StringValueSerializer.cs
- DataSourceHelper.cs
- RoleBoolean.cs
- BitArray.cs
- MethodBody.cs
- References.cs
- DynamicMethod.cs
- BasicHttpSecurityMode.cs
- SctClaimSerializer.cs
- Single.cs
- GeneratedContractType.cs
- ClientRuntimeConfig.cs
- activationcontext.cs
- DrawingContextWalker.cs
- CodeBinaryOperatorExpression.cs
- BaseParagraph.cs
- TrackingLocation.cs
- CommunicationObjectManager.cs
- DispatcherOperation.cs
- CodeSnippetCompileUnit.cs
- FormsAuthenticationUser.cs
- BrowserTree.cs
- ObjectQueryProvider.cs
- GrabHandleGlyph.cs
- SpellCheck.cs
- FormViewInsertEventArgs.cs
- DataRowExtensions.cs
- ChannelCredentials.cs
- SpeechSeg.cs
- TransformPattern.cs
- DbInsertCommandTree.cs
- StateDesigner.Layouts.cs
- ListBoxDesigner.cs
- RunWorkerCompletedEventArgs.cs
- RepeaterItem.cs
- ContractNamespaceAttribute.cs
- IsolatedStorageFileStream.cs
- SqlClientFactory.cs
- CommonXSendMessage.cs
- TraceHandlerErrorFormatter.cs
- GridItemCollection.cs
- RefreshPropertiesAttribute.cs
- ZipIOExtraField.cs
- UserNamePasswordServiceCredential.cs
- CodeExporter.cs
- PropertyInfoSet.cs
- StateBag.cs
- TextTreeInsertElementUndoUnit.cs
- VirtualizingPanel.cs
- WindowsGrip.cs
- PkcsMisc.cs
- TextRangeProviderWrapper.cs