Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / WasHosting / System / ServiceModel / WasHosting / BaseAppDomainProtocolHandler.cs / 1305376 / BaseAppDomainProtocolHandler.cs
//---------------------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //--------------------------------------------------------------------------- namespace System.ServiceModel.WasHosting { using System; using System.Diagnostics; using System.Diagnostics.CodeAnalysis; using System.ServiceModel; using System.ServiceModel.Channels; using System.Web; using System.Web.Hosting; using System.ServiceModel.Activation; using System.ServiceModel.Diagnostics; using System.Runtime; using System.Runtime.InteropServices; abstract class BaseAppDomainProtocolHandler : AppDomainProtocolHandler { public readonly static TimeSpan DefaultStopTimeout = TimeSpan.FromSeconds(30); string protocolId; IListenerChannelCallback listenerChannelCallback; protected ListenerChannelContext listenerChannelContext; object syncRoot = new object(); [SuppressMessage(FxCop.Category.Performance, FxCop.Rule.AvoidUncalledPrivateCode, Justification = "Instantiated by ASP.NET")] protected BaseAppDomainProtocolHandler(string protocolId) : base() { this.protocolId = protocolId; } object ThisLock { get { return this.syncRoot; } } protected void OnMessageReceived() { try { IListenerChannelCallback callback = this.listenerChannelCallback; if (callback != null) { callback.ReportMessageReceived(); } } catch (COMException exception) { if (DiagnosticUtility.ShouldTraceWarning) { DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Warning); } // The listener adapter might have gone away. Ignore the error. } } // Start per-process listening for messages public override void StartListenerChannel(IListenerChannelCallback listenerChannelCallback) { Debug.Print("BaseAppDomainProtocolHandler.StartListenerChannel()"); if (listenerChannelCallback == null) { DiagnosticUtility.DebugAssert("listenerChannelCallback is null"); throw DiagnosticUtility.ExceptionUtility.ThrowHelperInternal(false); } this.listenerChannelCallback = listenerChannelCallback; int listenerChannelDataLength = listenerChannelCallback.GetBlobLength(); byte[] listenerChannelData = new byte[listenerChannelDataLength]; listenerChannelCallback.GetBlob(listenerChannelData, ref listenerChannelDataLength); Debug.Print("BaseAppDomainProtocolHandler.StartListenerChannel() GetBlob() contains " + listenerChannelDataLength + " bytes"); listenerChannelContext = ListenerChannelContext.Hydrate(listenerChannelData); Debug.Print("BaseAppDomainProtocolHandler.StartListenerChannel() calling OnStart()"); #if DEBUG // Debug.Print("BaseAppDomainProtocolHandler.StartListenerChannel() waiting for you to attach the debugger to " + Process.GetCurrentProcess().ProcessName + " Pid: " + Process.GetCurrentProcess().Id); // for (int sleepCount = 0; sleepCount < 30 && !Debugger.IsAttached && !ListenerUnsafeNativeMethods.IsDebuggerPresent(); sleepCount++) { Thread.Sleep(500); } Debugger.Break(); #endif try { OnStart(); listenerChannelCallback.ReportStarted(); Debug.Print("BaseAppDomainProtocolHandler.StartListenerChannel() called ReportStarted()"); } catch (CommunicationException exception) { Debug.Print("BaseAppDomainProtocolHandler.StartListenerChannel() failed in OnStart():\r\n" + exception); DiagnosticUtility.EventLog.LogEvent(TraceEventType.Error, EventLogCategory.WebHost, EventLogEventId.WebHostFailedToListen, listenerChannelContext.AppKey, this.protocolId, TraceUtility.CreateSourceString(this), exception.ToString()); throw; } } protected virtual void OnStart() { } protected virtual void OnStop() { } public override void StopProtocol(bool immediate) { Debug.Print("BaseAppDomainProtocolHandler.StopProtocol() immediate: " + immediate + " calling ReportStopped()"); Stop(); HostingEnvironment.UnregisterObject(this); } public override void StopListenerChannel(int listenerChannelId, bool immediate) { Debug.Print("BaseAppDomainProtocolHandler.StopListenerChannel() listenerChannelId: " + listenerChannelId + " immediate: " + immediate + " calling ReportStopped()"); if (listenerChannelId != listenerChannelContext.ListenerChannelId) { DiagnosticUtility.DebugAssert("Invalid ListenerChannel ID!"); throw DiagnosticUtility.ExceptionUtility.ThrowHelperInternal(false); } Stop(); } void Stop() { lock (ThisLock) { if (this.listenerChannelCallback != null) { OnStop(); this.listenerChannelCallback.ReportStopped(0); this.listenerChannelCallback = null; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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