Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Channels / ReplyChannel.cs / 1 / ReplyChannel.cs
//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------- namespace System.ServiceModel.Channels { using System.Collections.Generic; using System.ServiceModel; class ReplyChannel : InputQueueChannel, IReplyChannel { EndpointAddress localAddress; public ReplyChannel(ChannelManagerBase channelManager, EndpointAddress localAddress) : base(channelManager) { this.localAddress = localAddress; } public EndpointAddress LocalAddress { get { return localAddress; } } public override T GetProperty () { if (typeof(T) == typeof(IReplyChannel)) { return (T)(object)this; } T baseProperty = base.GetProperty (); 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 = DiagnosticUtility.ThunkAsyncCallback(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 (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 (DiagnosticUtility.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); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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