BaseProcessProtocolHandler.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / WasHosting / System / ServiceModel / WasHosting / BaseProcessProtocolHandler.cs / 1305376 / BaseProcessProtocolHandler.cs
                        

                        
                            //---------------------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------------------

namespace System.ServiceModel.WasHosting 
{
    using System; 
    using System.Collections.Generic; 
    using System.Diagnostics;
    using System.Diagnostics.CodeAnalysis; 
    using System.ServiceModel;
    using System.Web;
    using System.Web.Hosting;
    using System.ServiceModel.Channels; 
    using System.ServiceModel.Activation;
    using System.Runtime; 
 
    abstract class BaseProcessProtocolHandler : ProcessProtocolHandler
    { 
        string protocolId;
        IAdphManager adphManager;

        // Mapping from listenerChannelId->listenerChannelContext (i.e. IAdphManager, appId) 
        Dictionary listenerChannelIdMapping = new Dictionary();
 
        [SuppressMessage(FxCop.Category.Performance, FxCop.Rule.AvoidUncalledPrivateCode, 
            Justification = "Instantiated by ASP.NET")]
        protected BaseProcessProtocolHandler(string protocolId) 
            : base()
        {
            this.protocolId = protocolId;
        } 

        internal virtual void HandleStartListenerChannelError(IListenerChannelCallback listenerChannelCallback, Exception ex) 
        { 
            // This is the workaround to let WAS know that the LC is started and then gracefully stopped.
            listenerChannelCallback.ReportStarted(); 
            listenerChannelCallback.ReportStopped(0);
        }

        // Start per-process listening for messages 
        public override void StartListenerChannel(IListenerChannelCallback listenerChannelCallback, IAdphManager adphManager)
        { 
            DiagnosticUtility.DebugAssert(listenerChannelCallback != null, "The listenerChannelCallback parameter must not be null"); 
            DiagnosticUtility.DebugAssert(adphManager != null, "The adphManager parameter must not be null");
 
            int channelId = listenerChannelCallback.GetId();
            ListenerChannelContext listenerChannelContext;
            lock (this.listenerChannelIdMapping)
            { 
                if (!listenerChannelIdMapping.TryGetValue(channelId, out listenerChannelContext))
                { 
                    int listenerChannelDataLength = listenerChannelCallback.GetBlobLength(); 
                    byte[] listenerChannelData = new byte[listenerChannelDataLength];
                    listenerChannelCallback.GetBlob(listenerChannelData, ref listenerChannelDataLength); 
                    Debug.Print("BaseProcessProtocolHandler.StartListenerChannel() GetBlob() contains " + listenerChannelDataLength + " bytes");
                    listenerChannelContext = ListenerChannelContext.Hydrate(listenerChannelData);
                    this.listenerChannelIdMapping.Add(channelId, listenerChannelContext);
                    Debug.Print("BaseProcessProtocolHandler.StartListenerChannel() listenerChannelContext.ListenerChannelId: " + listenerChannelContext.ListenerChannelId); 
                }
            } 
 
            if (this.adphManager == null)
            { 
                this.adphManager = adphManager;
            }

            try 
            {
                // wether or not a previous AppDomain was running, we're going to start a new one now: 
                Debug.Print("BaseProcessProtocolHandler.StartListenerChannel() calling StartAppDomainProtocolListenerChannel(appKey:" + listenerChannelContext.AppKey + " protocolId:" + protocolId + ")"); 
                adphManager.StartAppDomainProtocolListenerChannel(listenerChannelContext.AppKey, protocolId, listenerChannelCallback);
            } 
            catch (Exception ex)
            {
                if (Fx.IsFatal(ex))
                { 
                    throw;
                } 
 
                if (DiagnosticUtility.ShouldTraceError)
                { 
                    DiagnosticUtility.ExceptionUtility.TraceHandledException(ex, TraceEventType.Error);
                }

                HandleStartListenerChannelError(listenerChannelCallback, ex); 
            }
        } 
 
        public override void StopProtocol(bool immediate)
        { 
            Debug.Print("BaseProcessProtocolHandler.StopProtocol(protocolId:" + protocolId + ", immediate:" + immediate + ")");
        }

        public override void StopListenerChannel(int listenerChannelId, bool immediate) 
        {
            Debug.Print("BaseProcessProtocolHandler.StopListenerChannel(protocolId:" + protocolId + ", listenerChannelId:" + listenerChannelId + ", immediate:" + immediate + ")"); 
            ListenerChannelContext listenerChannelContext = this.listenerChannelIdMapping[listenerChannelId]; 
            adphManager.StopAppDomainProtocolListenerChannel(listenerChannelContext.AppKey, protocolId, listenerChannelId, immediate);
 
            lock (this.listenerChannelIdMapping)
            {
                // Remove the channel id.
                this.listenerChannelIdMapping.Remove(listenerChannelId); 
            }
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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