Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / PerfCounters.cs / 1 / PerfCounters.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * PerfCounters class */ namespace System.Web { using System.Web.Util; using System.Threading; using System.Runtime.InteropServices; internal sealed class PerfInstanceDataHandle: SafeHandle { internal PerfInstanceDataHandle() : base(IntPtr.Zero, true) { } internal IntPtr UnsafeHandle { get { return handle; } } public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { UnsafeNativeMethods.PerfCloseAppCounters(handle); handle = IntPtr.Zero; return true; } } internal sealed class PerfCounters { private static PerfInstanceDataHandle _instance = null; private static IntPtr _global = IntPtr.Zero; private static IntPtr _stateService = IntPtr.Zero; private PerfCounters () {} internal static void Open(string appName) { Debug.Assert(appName != null); OpenCounter(appName); } internal static void OpenStateCounters() { OpenCounter(null); } // The app name should either be a valid app name or be 'null' to get the state service // counters initialized private static void OpenCounter(string appName) { try { // Don't activate perf counters if webengine.dll isn't loaded if (! HttpRuntime.IsEngineLoaded) return; // Open the global counters if (_global == IntPtr.Zero) { _global = UnsafeNativeMethods.PerfOpenGlobalCounters(); } // If appName is null, then we want the state counters if (appName == null) { if (_stateService == IntPtr.Zero) { _stateService = UnsafeNativeMethods.PerfOpenStateCounters(); } } else { if (appName != null) { _instance = UnsafeNativeMethods.PerfOpenAppCounters(appName); } } } catch (Exception e) { Debug.Trace("Perfcounters", "Exception: " + e.StackTrace); } } // Make sure webengine.dll is loaded before attempting to call into it (ASURT 98531) internal static void IncrementCounter(AppPerfCounter counter) { if (_instance != null) UnsafeNativeMethods.PerfIncrementCounter(_instance.UnsafeHandle, (int) counter); } internal static void DecrementCounter(AppPerfCounter counter) { if (_instance != null) UnsafeNativeMethods.PerfDecrementCounter(_instance.UnsafeHandle, (int) counter); } internal static void IncrementCounterEx(AppPerfCounter counter, int delta) { if (_instance != null) UnsafeNativeMethods.PerfIncrementCounterEx(_instance.UnsafeHandle, (int) counter, delta); } internal static void SetCounter(AppPerfCounter counter, int value) { if (_instance != null) UnsafeNativeMethods.PerfSetCounter(_instance.UnsafeHandle, (int) counter, value); } // It's important that this be debug only. We don't want production // code to access shared memory that another process could corrupt. #if DBG internal static int GetCounter(AppPerfCounter counter) { if (_instance != null) return UnsafeNativeMethods.PerfGetCounter(_instance.UnsafeHandle, (int) counter); else return -1; } #endif internal static int GetGlobalCounter(GlobalPerfCounter counter) { if (_global != IntPtr.Zero) return UnsafeNativeMethods.PerfGetCounter(_global, (int) counter); else return -1; } internal static void IncrementGlobalCounter(GlobalPerfCounter counter) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfIncrementCounter(_global, (int) counter); } internal static void DecrementGlobalCounter(GlobalPerfCounter counter) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfDecrementCounter(_global, (int) counter); } #if UNUSED_CODE internal static void IncrementGlobalCounterEx(GlobalPerfCounter counter, int delta) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfIncrementCounterEx(_global, (int) counter, delta); } #endif internal static void SetGlobalCounter(GlobalPerfCounter counter, int value) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfSetCounter(_global, (int) counter, value); } internal static void IncrementStateServiceCounter(StateServicePerfCounter counter) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfIncrementCounter(_stateService, (int) counter); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED); break; default: break; } } internal static void DecrementStateServiceCounter(StateServicePerfCounter counter) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfDecrementCounter(_stateService, (int) counter); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED); break; default: break; } } #if UNUSED_CODE internal static void IncrementStateServiceCounterEx(StateServicePerfCounter counter, int delta) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfIncrementCounterEx(_stateService, (int) counter, delta); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL, delta); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE, delta); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT, delta); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED, delta); break; default: break; } } #endif internal static void SetStateServiceCounter(StateServicePerfCounter counter, int value) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfSetCounter(_stateService, (int) counter, value); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL, value); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE, value); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT, value); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED, value); break; default: break; } } }; } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * PerfCounters class */ namespace System.Web { using System.Web.Util; using System.Threading; using System.Runtime.InteropServices; internal sealed class PerfInstanceDataHandle: SafeHandle { internal PerfInstanceDataHandle() : base(IntPtr.Zero, true) { } internal IntPtr UnsafeHandle { get { return handle; } } public override bool IsInvalid { get { return handle == IntPtr.Zero; } } override protected bool ReleaseHandle() { UnsafeNativeMethods.PerfCloseAppCounters(handle); handle = IntPtr.Zero; return true; } } internal sealed class PerfCounters { private static PerfInstanceDataHandle _instance = null; private static IntPtr _global = IntPtr.Zero; private static IntPtr _stateService = IntPtr.Zero; private PerfCounters () {} internal static void Open(string appName) { Debug.Assert(appName != null); OpenCounter(appName); } internal static void OpenStateCounters() { OpenCounter(null); } // The app name should either be a valid app name or be 'null' to get the state service // counters initialized private static void OpenCounter(string appName) { try { // Don't activate perf counters if webengine.dll isn't loaded if (! HttpRuntime.IsEngineLoaded) return; // Open the global counters if (_global == IntPtr.Zero) { _global = UnsafeNativeMethods.PerfOpenGlobalCounters(); } // If appName is null, then we want the state counters if (appName == null) { if (_stateService == IntPtr.Zero) { _stateService = UnsafeNativeMethods.PerfOpenStateCounters(); } } else { if (appName != null) { _instance = UnsafeNativeMethods.PerfOpenAppCounters(appName); } } } catch (Exception e) { Debug.Trace("Perfcounters", "Exception: " + e.StackTrace); } } // Make sure webengine.dll is loaded before attempting to call into it (ASURT 98531) internal static void IncrementCounter(AppPerfCounter counter) { if (_instance != null) UnsafeNativeMethods.PerfIncrementCounter(_instance.UnsafeHandle, (int) counter); } internal static void DecrementCounter(AppPerfCounter counter) { if (_instance != null) UnsafeNativeMethods.PerfDecrementCounter(_instance.UnsafeHandle, (int) counter); } internal static void IncrementCounterEx(AppPerfCounter counter, int delta) { if (_instance != null) UnsafeNativeMethods.PerfIncrementCounterEx(_instance.UnsafeHandle, (int) counter, delta); } internal static void SetCounter(AppPerfCounter counter, int value) { if (_instance != null) UnsafeNativeMethods.PerfSetCounter(_instance.UnsafeHandle, (int) counter, value); } // It's important that this be debug only. We don't want production // code to access shared memory that another process could corrupt. #if DBG internal static int GetCounter(AppPerfCounter counter) { if (_instance != null) return UnsafeNativeMethods.PerfGetCounter(_instance.UnsafeHandle, (int) counter); else return -1; } #endif internal static int GetGlobalCounter(GlobalPerfCounter counter) { if (_global != IntPtr.Zero) return UnsafeNativeMethods.PerfGetCounter(_global, (int) counter); else return -1; } internal static void IncrementGlobalCounter(GlobalPerfCounter counter) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfIncrementCounter(_global, (int) counter); } internal static void DecrementGlobalCounter(GlobalPerfCounter counter) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfDecrementCounter(_global, (int) counter); } #if UNUSED_CODE internal static void IncrementGlobalCounterEx(GlobalPerfCounter counter, int delta) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfIncrementCounterEx(_global, (int) counter, delta); } #endif internal static void SetGlobalCounter(GlobalPerfCounter counter, int value) { if (_global != IntPtr.Zero) UnsafeNativeMethods.PerfSetCounter(_global, (int) counter, value); } internal static void IncrementStateServiceCounter(StateServicePerfCounter counter) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfIncrementCounter(_stateService, (int) counter); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: IncrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED); break; default: break; } } internal static void DecrementStateServiceCounter(StateServicePerfCounter counter) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfDecrementCounter(_stateService, (int) counter); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: DecrementGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED); break; default: break; } } #if UNUSED_CODE internal static void IncrementStateServiceCounterEx(StateServicePerfCounter counter, int delta) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfIncrementCounterEx(_stateService, (int) counter, delta); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL, delta); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE, delta); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT, delta); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: IncrementGlobalCounterEx(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED, delta); break; default: break; } } #endif internal static void SetStateServiceCounter(StateServicePerfCounter counter, int value) { if (_stateService == IntPtr.Zero) return; UnsafeNativeMethods.PerfSetCounter(_stateService, (int) counter, value); switch (counter) { case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TOTAL: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TOTAL, value); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ACTIVE: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ACTIVE, value); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_TIMED_OUT: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_TIMED_OUT, value); break; case StateServicePerfCounter.STATE_SERVICE_SESSIONS_ABANDONED: SetGlobalCounter(GlobalPerfCounter.STATE_SERVER_SESSIONS_ABANDONED, value); break; default: break; } } }; } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ReadOnlyPropertyMetadata.cs
- MILUtilities.cs
- XmlSerializerVersionAttribute.cs
- MetabaseSettings.cs
- DateTimeValueSerializerContext.cs
- FileRecordSequence.cs
- SkinBuilder.cs
- CodeTypeDeclarationCollection.cs
- PeerNameResolver.cs
- ActiveXHelper.cs
- TimelineGroup.cs
- FontNamesConverter.cs
- WindowsGraphics2.cs
- EntityDataSourceDesignerHelper.cs
- ManipulationBoundaryFeedbackEventArgs.cs
- BindingWorker.cs
- EncoderNLS.cs
- AsymmetricSecurityProtocolFactory.cs
- TabPanel.cs
- DependencyObjectType.cs
- SamlAction.cs
- RewritingSimplifier.cs
- FamilyTypefaceCollection.cs
- CodeDesigner.cs
- DPCustomTypeDescriptor.cs
- ContentHostHelper.cs
- AutomationProperties.cs
- ToolStripAdornerWindowService.cs
- CompressedStack.cs
- SqlNamer.cs
- StatusBar.cs
- SByte.cs
- ISFTagAndGuidCache.cs
- FunctionImportMapping.cs
- TreeBuilderBamlTranslator.cs
- CodeDirectoryCompiler.cs
- QueryContext.cs
- DispatchRuntime.cs
- Registry.cs
- followingquery.cs
- CustomErrorCollection.cs
- FixedElement.cs
- SqlReferenceCollection.cs
- Stream.cs
- DataGridCell.cs
- XmlDomTextWriter.cs
- ServiceHostFactory.cs
- SqlBuilder.cs
- HtmlLink.cs
- WebColorConverter.cs
- KerberosSecurityTokenAuthenticator.cs
- EntityViewGenerator.cs
- LambdaExpression.cs
- UDPClient.cs
- HandleCollector.cs
- TdsEnums.cs
- CustomUserNameSecurityTokenAuthenticator.cs
- NavigationFailedEventArgs.cs
- FontFamilyIdentifier.cs
- QilParameter.cs
- WaitHandle.cs
- DataColumnCollection.cs
- cache.cs
- DesignerGenericWebPart.cs
- NameValueSectionHandler.cs
- WeakHashtable.cs
- SafeEventHandle.cs
- BindingParameterCollection.cs
- InvariantComparer.cs
- TextBox.cs
- GetWinFXPath.cs
- LineBreak.cs
- TextCompositionManager.cs
- SqlDataSourceParameterParser.cs
- StreamGeometryContext.cs
- ServerIdentity.cs
- XmlMapping.cs
- TCPListener.cs
- TableRowGroup.cs
- CultureTableRecord.cs
- DriveInfo.cs
- AddressAccessDeniedException.cs
- Int16Animation.cs
- TextEditorThreadLocalStore.cs
- EntityTypeEmitter.cs
- NullToBooleanConverter.cs
- XmlSchemas.cs
- WorkflowQueueInfo.cs
- FormViewRow.cs
- ReadOnlyHierarchicalDataSourceView.cs
- PrimitiveXmlSerializers.cs
- EncoderNLS.cs
- ReachSerializableProperties.cs
- LoginCancelEventArgs.cs
- InternalsVisibleToAttribute.cs
- ResourceExpressionEditorSheet.cs
- DocumentPageView.cs
- KeyTimeConverter.cs
- XmlUtil.cs
- CompoundFileIOPermission.cs