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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System;
using System.Collections.Generic;
using System.ServiceModel;
abstract class ContextInputChannelBase<TChannel> : LayeredChannel<TChannel> where TChannel : class, IInputChannel
{
ContextExchangeMechanism contextExchangeMechanism;
ServiceContextProtocol contextProtocol;
protected ContextInputChannelBase(ChannelManagerBase channelManager, TChannel innerChannel, ContextExchangeMechanism contextExchangeMechanism)
: base(channelManager, innerChannel)
{
this.contextExchangeMechanism = contextExchangeMechanism;
this.contextProtocol = new ServiceContextProtocol(contextExchangeMechanism);
}
public EndpointAddress LocalAddress
{
get { return this.InnerChannel.LocalAddress; }
}
public IAsyncResult BeginReceive(TimeSpan timeout, AsyncCallback callback, object state)
{
return this.InnerChannel.BeginReceive(timeout, callback, state);
}
public IAsyncResult BeginReceive(AsyncCallback callback, object state)
{
return this.InnerChannel.BeginReceive(callback, state);
}
public IAsyncResult BeginTryReceive(TimeSpan timeout, AsyncCallback callback, object state)
{
return this.InnerChannel.BeginTryReceive(timeout, callback, state);
}
public IAsyncResult BeginWaitForMessage(TimeSpan timeout, AsyncCallback callback, object state)
{
return this.InnerChannel.BeginWaitForMessage(timeout, callback, state);
}
public Message EndReceive(IAsyncResult result)
{
Message message = this.InnerChannel.EndReceive(result);
ProcessContextHeader(message);
return message;
}
public bool EndTryReceive(IAsyncResult result, out Message message)
{
if (this.InnerChannel.EndTryReceive(result, out message))
{
ProcessContextHeader(message);
return true;
}
else
{
return false;
}
}
public bool EndWaitForMessage(IAsyncResult result)
{
return this.InnerChannel.EndWaitForMessage(result);
}
public Message Receive(TimeSpan timeout)
{
Message message = this.InnerChannel.Receive(timeout);
ProcessContextHeader(message);
return message;
}
public Message Receive()
{
Message message = this.InnerChannel.Receive();
ProcessContextHeader(message);
return message;
}
public bool TryReceive(TimeSpan timeout, out Message message)
{
if (this.InnerChannel.TryReceive(timeout, out message))
{
ProcessContextHeader(message);
return true;
}
else
{
return false;
}
}
public bool WaitForMessage(TimeSpan timeout)
{
return this.InnerChannel.WaitForMessage(timeout);
}
void ProcessContextHeader(Message message)
{
if (message != null)
{
contextProtocol.OnIncomingMessage(message);
}
}
}
}
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