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
- MetadataUtil.cs
- TableRow.cs
- shaperfactoryquerycachekey.cs
- BigIntegerStorage.cs
- SerialStream.cs
- PagePropertiesChangingEventArgs.cs
- TimelineCollection.cs
- TemplateEditingFrame.cs
- XmlEntity.cs
- CurrencyManager.cs
- GridViewActionList.cs
- Transform3DGroup.cs
- SynchronousChannelMergeEnumerator.cs
- Exceptions.cs
- Pointer.cs
- ActivityDesigner.cs
- DBConcurrencyException.cs
- HttpPostedFile.cs
- Scripts.cs
- CachedBitmap.cs
- DataGridTextBox.cs
- StringStorage.cs
- RawStylusInputCustomDataList.cs
- DetailsViewInsertedEventArgs.cs
- EmptyQuery.cs
- PartialList.cs
- WindowsIPAddress.cs
- BaseTreeIterator.cs
- ObjectNavigationPropertyMapping.cs
- TabControlDesigner.cs
- EventLogPermission.cs
- LayoutTableCell.cs
- ApplyImportsAction.cs
- PlatformNotSupportedException.cs
- TimeSpanSecondsOrInfiniteConverter.cs
- ConstructorBuilder.cs
- DefaultEvaluationContext.cs
- X509ThumbprintKeyIdentifierClause.cs
- PrincipalPermission.cs
- MemberAccessException.cs
- ActivityCodeGenerator.cs
- XmlNamespaceDeclarationsAttribute.cs
- DataStreams.cs
- SplitterDesigner.cs
- UnaryOperationBinder.cs
- TimeSpanSecondsOrInfiniteConverter.cs
- PeekCompletedEventArgs.cs
- StringFreezingAttribute.cs
- MimeWriter.cs
- COM2ComponentEditor.cs
- TransactionScopeDesigner.cs
- WebExceptionStatus.cs
- OneOfConst.cs
- BlockCollection.cs
- FixedSOMGroup.cs
- QueryableDataSourceView.cs
- BitVector32.cs
- BamlResourceSerializer.cs
- PeerContact.cs
- InstanceLockLostException.cs
- SamlAttributeStatement.cs
- EventNotify.cs
- RectangleGeometry.cs
- ThreadStartException.cs
- SystemIPv6InterfaceProperties.cs
- ExpressionValueEditor.cs
- SchemaTableColumn.cs
- ImageConverter.cs
- TabPageDesigner.cs
- SpeakInfo.cs
- InboundActivityHelper.cs
- EarlyBoundInfo.cs
- CompositeClientFormatter.cs
- ContainerAction.cs
- AdornedElementPlaceholder.cs
- EntityCollectionChangedParams.cs
- ConnectionStringsExpressionEditor.cs
- ListBoxChrome.cs
- LicenseException.cs
- ParameterCollection.cs
- SoapAttributes.cs
- QilGeneratorEnv.cs
- SQLRoleProvider.cs
- ServiceDurableInstance.cs
- WindowsToolbar.cs
- SecurityTokenSerializer.cs
- FormParameter.cs
- PropertyItemInternal.cs
- SimpleModelProvider.cs
- Stacktrace.cs
- ConcurrentDictionary.cs
- HideDisabledControlAdapter.cs
- PropertyValueUIItem.cs
- AsyncCodeActivityContext.cs
- WorkItem.cs
- RegexReplacement.cs
- BitmapEffectGroup.cs
- BitmapVisualManager.cs
- TextParagraphView.cs
- InfoCardRSAPKCS1SignatureDeformatter.cs