Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / 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
- _Connection.cs
- TableRow.cs
- Rules.cs
- RuntimeHelpers.cs
- RegionInfo.cs
- DisplayInformation.cs
- EntityKey.cs
- ControlFilterExpression.cs
- ConstantSlot.cs
- QueryStringParameter.cs
- XsdDuration.cs
- CFStream.cs
- DataGridCell.cs
- mactripleDES.cs
- FieldNameLookup.cs
- ErrorWrapper.cs
- CryptoHelper.cs
- SHA384.cs
- SrgsNameValueTag.cs
- StreamHelper.cs
- UpdateTracker.cs
- SiteMembershipCondition.cs
- StorageEntityTypeMapping.cs
- ValidatorCollection.cs
- ChangeDirector.cs
- PathGradientBrush.cs
- StoryFragments.cs
- XmlAttributes.cs
- Setter.cs
- CallInfo.cs
- TextParaClient.cs
- StringDictionaryWithComparer.cs
- WinEventQueueItem.cs
- BinaryMethodMessage.cs
- LinqDataSourceDeleteEventArgs.cs
- Point4D.cs
- BezierSegment.cs
- odbcmetadatafactory.cs
- ScrollableControl.cs
- TagPrefixAttribute.cs
- XmlSchemaInfo.cs
- TypedTableBaseExtensions.cs
- NotEqual.cs
- Error.cs
- DeflateEmulationStream.cs
- IntegerValidatorAttribute.cs
- HtmlString.cs
- Wizard.cs
- LongMinMaxAggregationOperator.cs
- ObjectFactoryCodeDomTreeGenerator.cs
- XmlSchemaNotation.cs
- DBSqlParserColumn.cs
- SymLanguageVendor.cs
- StringUtil.cs
- COM2ExtendedUITypeEditor.cs
- Dispatcher.cs
- Label.cs
- CodeCatchClause.cs
- UIElementHelper.cs
- TemplateColumn.cs
- InvalidPrinterException.cs
- CustomAttributeSerializer.cs
- RangeValuePattern.cs
- DataControlCommands.cs
- PageAsyncTaskManager.cs
- OuterGlowBitmapEffect.cs
- DesignerDataParameter.cs
- AutomationPropertyInfo.cs
- RSAPKCS1SignatureDeformatter.cs
- ObjectKeyFrameCollection.cs
- SafeEventLogWriteHandle.cs
- ServiceHttpModule.cs
- ProcessModelSection.cs
- IsolatedStorageException.cs
- Evidence.cs
- RangeContentEnumerator.cs
- XmlILStorageConverter.cs
- TextDpi.cs
- EntityCollectionChangedParams.cs
- IntegerValidatorAttribute.cs
- SizeF.cs
- StorageTypeMapping.cs
- SolidColorBrush.cs
- BitmapSizeOptions.cs
- Stroke.cs
- OleDbMetaDataFactory.cs
- TextPatternIdentifiers.cs
- UniqueSet.cs
- PathTooLongException.cs
- LoginView.cs
- VisualStyleInformation.cs
- XmlDataDocument.cs
- DataGridViewCellToolTipTextNeededEventArgs.cs
- FontNameConverter.cs
- PermissionAttributes.cs
- LinkedDataMemberFieldEditor.cs
- ArgumentOutOfRangeException.cs
- OracleTransaction.cs
- Point4DValueSerializer.cs
- InteropEnvironment.cs