HostedNamedPipeTransportManager.cs source code in C# .NET

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                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / System.ServiceModel.Activation / System / ServiceModel / Activation / HostedNamedPipeTransportManager.cs / 1305376 / HostedNamedPipeTransportManager.cs
                        
                        
                            //---------------------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------------------

namespace System.ServiceModel.Activation 
{
    using System.Collections.Generic; 
    using System.Diagnostics; 
    using System.ServiceModel;
    using System.ServiceModel.Channels; 
    using System.ServiceModel.Diagnostics;

    class HostedNamedPipeTransportManager : NamedPipeTransportManager
    { 
        bool settingsApplied;
        Action onViaCallback; 
        SharedConnectionListener listener; 
        ConnectionDemuxer connectionDemuxer;
        int queueId; 
        Guid token;
        Func onDuplicatedViaCallback;
        bool demuxerCreated;
 
        public HostedNamedPipeTransportManager(BaseUriWithWildcard baseAddress)
            : base(baseAddress.BaseAddress) 
        { 
            this.HostNameComparisonMode = baseAddress.HostNameComparisonMode;
            this.onViaCallback = new Action(OnVia); 
            this.onDuplicatedViaCallback = new Func(OnDuplicatedVia);
        }

        protected override bool IsCompatible(NamedPipeChannelListener channelListener) 
        {
            if (channelListener.HostedVirtualPath == null) 
            { 
                return false;
            } 

            return base.IsCompatible(channelListener);
        }
 
        internal void Start(int queueId, Guid token, Action messageReceivedCallback)
        { 
            SetMessageReceivedCallback(messageReceivedCallback); 
            OnOpenInternal(queueId, token);
        } 

        internal override void OnOpen()
        {
            // This is intentionally empty. 
        }
 
        internal override void OnAbort() 
        {
        } 

        internal void Stop(TimeSpan timeout)
        {
            Cleanup(false, timeout); 
        }
 
        void Cleanup(bool aborting, TimeSpan timeout) 
        {
            lock (ThisLock) 
            {
                if (listener != null)
                {
                    if (!aborting) 
                    {
                        listener.Stop(timeout); 
                    } 
                    else
                    { 
                        listener.Abort();
                    }

                    // The listener will be closed by the demuxer. 
                    listener = null;
                } 
 
                if (connectionDemuxer != null)
                { 
                    connectionDemuxer.Dispose();
                }

                demuxerCreated = false; 
                settingsApplied = false;
            } 
        } 

        void CreateConnectionDemuxer() 
        {
            IConnectionListener connectionListener = new BufferedConnectionListener(listener, MaxOutputDelay, ConnectionBufferSize);
            if (DiagnosticUtility.ShouldUseActivity)
            { 
                connectionListener = new TracingConnectionListener(connectionListener, this.ListenUri);
            } 
 
            connectionDemuxer = new ConnectionDemuxer(connectionListener,
                MaxPendingAccepts, MaxPendingConnections, ChannelInitializationTimeout, 
                IdleTimeout, MaxPooledConnections,
                OnGetTransportFactorySettings,
                OnGetSingletonMessageHandler,
                OnHandleServerSessionPreamble, 
                OnDemuxerError);
 
            connectionDemuxer.StartDemuxing(onViaCallback); 
        }
 
        void OnOpenInternal(int queueId, Guid token)
        {
            lock (ThisLock)
            { 
                this.queueId = queueId;
                this.token = token; 
 
                BaseUriWithWildcard path = new BaseUriWithWildcard(this.ListenUri, this.HostNameComparisonMode);
 
                listener = new SharedConnectionListener(path, queueId, token, this.onDuplicatedViaCallback);
            }
        }
 
        internal override void OnClose(TimeSpan timeout)
        { 
        } 

        void OnVia(Uri address) 
        {
            Debug.Print("HostedNamedPipeTransportManager.OnVia() address: " + address + " calling EnsureServiceAvailable()");
            ServiceHostingEnvironment.EnsureServiceAvailable(address.LocalPath);
        } 

        protected override void OnSelecting(NamedPipeChannelListener channelListener) 
        { 
            if (settingsApplied)
            { 
                return;
            }

            lock (ThisLock) 
            {
                if (settingsApplied) 
                { 
                    // Use the setting for the first one.
                    return; 
                }

                this.ApplyListenerSettings(channelListener);
                settingsApplied = true; 
            }
        } 
 
        // This method is called only for the first via of the current proxy.
        int OnDuplicatedVia(Uri via) 
        {
            OnVia(via);

            if (!demuxerCreated) 
            {
                lock (ThisLock) 
                { 
                    if (listener == null)
                    { 
                        // The listener has been stopped.
                        throw FxTrace.Exception.AsError(new CommunicationObjectAbortedException(SR.PipeListenerProxyStopped));
                    }
 
                    if (!demuxerCreated)
                    { 
                        CreateConnectionDemuxer(); 
                        demuxerCreated = true;
                    } 
                }
            }

            return this.ConnectionBufferSize; 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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HostedNamedPipeTransportManager.cs source code in C# .NET

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