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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Collections.Generic;
using System.Runtime;
using System.ServiceModel;
class ReplyChannel : InputQueueChannel<RequestContext>, IReplyChannel
{
EndpointAddress localAddress;
public ReplyChannel(ChannelManagerBase channelManager, EndpointAddress localAddress)
: base(channelManager)
{
this.localAddress = localAddress;
}
public EndpointAddress LocalAddress
{
get { return localAddress; }
}
public override T GetProperty<T>()
{
if (typeof(T) == typeof(IReplyChannel))
{
return (T)(object)this;
}
T baseProperty = base.GetProperty<T>();
if (baseProperty != null)
{
return baseProperty;
}
return default(T);
}
protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
{
return new CompletedAsyncResult(callback, state);
}
protected override void OnEndOpen(IAsyncResult result)
{
CompletedAsyncResult.End(result);
}
protected override void OnOpen(TimeSpan timeout)
{
}
#region static Helpers to convert TryReceiveRequest to ReceiveRequest
internal static RequestContext HelpReceiveRequest(IReplyChannel channel, TimeSpan timeout)
{
RequestContext requestContext;
if (channel.TryReceiveRequest(timeout, out requestContext))
{
return requestContext;
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
ReplyChannel.CreateReceiveRequestTimedOutException(channel, timeout));
}
}
internal static IAsyncResult HelpBeginReceiveRequest(IReplyChannel channel, TimeSpan timeout, AsyncCallback callback, object state)
{
return new HelpReceiveRequestAsyncResult(channel, timeout, callback, state);
}
internal static RequestContext HelpEndReceiveRequest(IAsyncResult result)
{
return HelpReceiveRequestAsyncResult.End(result);
}
class HelpReceiveRequestAsyncResult : AsyncResult
{
IReplyChannel channel;
TimeSpan timeout;
static AsyncCallback onReceiveRequest = Fx.ThunkCallback(new AsyncCallback(OnReceiveRequest));
RequestContext requestContext;
public HelpReceiveRequestAsyncResult(IReplyChannel channel, TimeSpan timeout, AsyncCallback callback, object state)
: base(callback, state)
{
this.channel = channel;
this.timeout = timeout;
IAsyncResult result = channel.BeginTryReceiveRequest(timeout, onReceiveRequest, this);
if (!result.CompletedSynchronously)
{
return;
}
HandleReceiveRequestComplete(result);
base.Complete(true);
}
public static RequestContext End(IAsyncResult result)
{
HelpReceiveRequestAsyncResult thisPtr = AsyncResult.End<HelpReceiveRequestAsyncResult>(result);
return thisPtr.requestContext;
}
void HandleReceiveRequestComplete(IAsyncResult result)
{
if (!this.channel.EndTryReceiveRequest(result, out this.requestContext))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
ReplyChannel.CreateReceiveRequestTimedOutException(this.channel, this.timeout));
}
}
static void OnReceiveRequest(IAsyncResult result)
{
if (result.CompletedSynchronously)
{
return;
}
HelpReceiveRequestAsyncResult thisPtr = (HelpReceiveRequestAsyncResult)result.AsyncState;
Exception completionException = null;
try
{
thisPtr.HandleReceiveRequestComplete(result);
}
#pragma warning suppress 56500 // [....], transferring exception to another thread
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
completionException = e;
}
thisPtr.Complete(false, completionException);
}
}
static Exception CreateReceiveRequestTimedOutException(IReplyChannel channel, TimeSpan timeout)
{
if (channel.LocalAddress != null)
{
return new TimeoutException(SR.GetString(SR.ReceiveRequestTimedOut, channel.LocalAddress.Uri.AbsoluteUri, timeout));
}
else
{
return new TimeoutException(SR.GetString(SR.ReceiveRequestTimedOutNoLocalAddress, timeout));
}
}
#endregion
public RequestContext ReceiveRequest()
{
return this.ReceiveRequest(this.DefaultReceiveTimeout);
}
public RequestContext ReceiveRequest(TimeSpan timeout)
{
if (timeout < TimeSpan.Zero)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
this.ThrowPending();
return ReplyChannel.HelpReceiveRequest(this, timeout);
}
public IAsyncResult BeginReceiveRequest(AsyncCallback callback, object state)
{
return this.BeginReceiveRequest(this.DefaultReceiveTimeout, callback, state);
}
public IAsyncResult BeginReceiveRequest(TimeSpan timeout, AsyncCallback callback, object state)
{
if (timeout < TimeSpan.Zero)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
}
this.ThrowPending();
return ReplyChannel.HelpBeginReceiveRequest(this, timeout, callback, state);
}
public RequestContext EndReceiveRequest(IAsyncResult result)
{
return ReplyChannel.HelpEndReceiveRequest(result);
}
public bool TryReceiveRequest(TimeSpan timeout, out RequestContext context)
{
if (timeout < TimeSpan.Zero)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
this.ThrowPending();
return base.Dequeue(timeout, out context);
}
public IAsyncResult BeginTryReceiveRequest(TimeSpan timeout, AsyncCallback callback, object state)
{
if (timeout < TimeSpan.Zero)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
this.ThrowPending();
return base.BeginDequeue(timeout, callback, state);
}
public bool EndTryReceiveRequest(IAsyncResult result, out RequestContext context)
{
return base.EndDequeue(result, out context);
}
public bool WaitForRequest(TimeSpan timeout)
{
if (timeout < TimeSpan.Zero)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
this.ThrowPending();
return base.WaitForItem(timeout);
}
public IAsyncResult BeginWaitForRequest(TimeSpan timeout, AsyncCallback callback, object state)
{
if (timeout < TimeSpan.Zero)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
this.ThrowPending();
return base.BeginWaitForItem(timeout, callback, state);
}
public bool EndWaitForRequest(IAsyncResult result)
{
return base.EndWaitForItem(result);
}
}
}
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