PeerInputChannel.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / PeerInputChannel.cs / 1 / PeerInputChannel.cs

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

namespace System.ServiceModel.Channels 
{
    using System; 
    using System.Diagnostics; 
    using System.ServiceModel;
    using System.ServiceModel.Diagnostics; 
    using System.Threading;

    class PeerInputChannel : InputChannel
    { 
        EndpointAddress to;
        Uri via; 
        PeerNode peerNode; 
        bool released = false;
 
        public PeerInputChannel(PeerNodeImplementation peerNode, PeerNodeImplementation.Registration registration, ChannelManagerBase channelManager,
            EndpointAddress localAddress, Uri via)
            : base(channelManager, localAddress)
        { 
            PeerNodeImplementation.ValidateVia(via);
            if(registration != null) 
            { 
                peerNode = PeerNodeImplementation.Get(via, registration);
            } 
            this.peerNode = new PeerNode(peerNode);
            this.to = localAddress;
            this.via = via;
        } 

        public override T GetProperty() 
        { 
            if(typeof(T) == typeof(PeerNode))
            { 
                return (T) (object) this.peerNode;
            }
            else if(typeof(T) == typeof(PeerNodeImplementation))
            { 
                return  (T) (object) this.peerNode.InnerNode;
            } 
            else if(typeof(T) == typeof(IOnlineStatus)) 
            {
                return (T) (object) this.peerNode; 
            }
            else if (typeof(T) == typeof(FaultConverter))
            {
                return (T)(object)FaultConverter.GetDefaultFaultConverter(MessageVersion.Soap12WSAddressing10); 
            }
            return base.GetProperty(); 
        } 

        protected override void OnAbort() 
        {
            base.OnAbort();
            if (this.State < CommunicationState.Closed)
            { 
                try
                { 
                    this.peerNode.InnerNode.Abort(); 
                }
                catch(Exception e) 
                {
                    if(DiagnosticUtility.IsFatal(e)) throw;
                    DiagnosticUtility.ExceptionUtility.TraceHandledException(e, TraceEventType.Information);
                } 
            }
        } 
 
        protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)
        { 
            // first close the node, then the base
            return new ChainedAsyncResult(timeout, callback, state, OnBeginCloseNode, OnEndCloseNode,
                base.OnBeginClose, base.OnEndClose);
        } 

        // fisrt step in the chained async close 
        IAsyncResult OnBeginCloseNode(TimeSpan timeout, AsyncCallback callback, object state) 
        {
            return this.peerNode.InnerNode.BeginClose(timeout, callback, state); 
        }

        protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
        { 
            // open the base, then the node
            return new ChainedAsyncResult(timeout, callback, state, base.OnBeginOpen, base.OnEndOpen, 
                OnBeginOpenNode, OnEndOpenNode); 
        }
 
        // second step in the chained async open
        IAsyncResult OnBeginOpenNode(TimeSpan timeout, AsyncCallback callback, object state)
        {
            IAsyncResult result = this.peerNode.InnerNode.BeginOpen(timeout, callback, state, true); 
            return result;
        } 
 
        protected override void OnClose(TimeSpan timeout)
        { 
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            this.peerNode.InnerNode.Close(timeoutHelper.RemainingTime());
            base.OnClose(timeoutHelper.RemainingTime());
        } 

        protected override void OnClosing() 
        { 
            base.OnClosing();
            ReleaseNode(); 
        }

        void ReleaseNode()
        { 
            if (!this.released)
            { 
                bool release = false; 
                lock(ThisLock)
                { 
                    if (!this.released)
                    {
                        release = this.released = true;
                    } 
                }
                if (release) 
                { 
                    this.peerNode.InnerNode.Release();
                } 
            }
        }

        protected override void OnEndClose(IAsyncResult result) 
        {
            ChainedAsyncResult.End(result); 
        } 

        void OnEndCloseNode(IAsyncResult result) 
        {
            PeerNodeImplementation.EndClose(result);
        }
 
        protected override void OnEndOpen(IAsyncResult result)
        { 
            ChainedAsyncResult.End(result); 
        }
 
        void OnEndOpenNode(IAsyncResult result)
        {
            PeerNodeImplementation.EndOpen(result);
        } 

        protected override void OnEnqueueItem(Message message) 
        { 
            // set the message's via to the uri on which it was received
            message.Properties.Via = this.via; 

            if (DiagnosticUtility.ShouldTraceInformation)
            {
                TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.PeerChannelMessageReceived, this, message); 
            }
        } 
 
        protected override void OnOpen(TimeSpan timeout)
        { 
            TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
            base.OnOpen(timeoutHelper.RemainingTime());
            this.peerNode.OnOpen();
            this.peerNode.InnerNode.Open(timeoutHelper.RemainingTime(), true); 
        }
 
        protected override void OnFaulted() 
        {
            base.OnFaulted(); 
            ReleaseNode();
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK