/// <summary>
/// Internal event handler.
/// </summary>
/// <param name="result"></param>
/// <returns></returns>
protected override bool OnEndWaitForChannel(IAsyncResult result)
{
AsyncResult <bool, object> arWait = (AsyncResult <bool, object>)result;
arWait.Wait();
try
{
return(arWait.Exception == null && arWait.Result);
}
finally
{
arWait.Dispose();
}
}
/// <summary>
/// Completes an asynchronous operation initiated by <see cref="BeginWaitForMessage" />.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> instance returned by <see cref="BeginWaitForMessage" />.</param>
/// <returns><c>true</c> if the channel has queued a received message.</returns>
public bool EndWaitForMessage(IAsyncResult result)
{
AsyncResult <bool, InputChannel> arWait = (AsyncResult <bool, InputChannel>)result;
Assertion.Test(arWait.InternalState != null, "InternalState should have been set to the channel.");
arWait.Wait();
try
{
return(arWait.Exception == null && arWait.Result);
}
finally
{
arWait.Dispose();
}
}
/// <summary>
/// Internal event handler.
/// </summary>
/// <param name="result"></param>
protected override void OnEndClose(IAsyncResult result)
{
AsyncResult ar = (AsyncResult)result;
ar.Wait();
try
{
if (ar.Exception != null)
{
throw ar.Exception;
}
}
finally
{
ar.Dispose();
}
}
/// <summary>
/// Completes an asynchronous operation initiated by one of the <b>BeginSend()</b> overrides.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> instance returned by <b>BeginSend()</b>.</param>
public void EndSend(IAsyncResult result)
{
AsyncResult arSend = (AsyncResult)result;
arSend.Wait();
try
{
if (arSend.Exception != null)
{
throw ServiceModelHelper.GetCommunicationException(arSend.Exception);
}
}
finally
{
arSend.Dispose();
}
}
/// <summary>
/// Internal event handler.
/// </summary>
/// <param name="result"></param>
/// <returns></returns>
protected override TChannel OnEndAcceptChannel(IAsyncResult result)
{
AsyncResult <TInternal, object> arAccept = (AsyncResult <TInternal, object>)result;
arAccept.Wait();
try
{
if (arAccept.Exception != null)
{
throw arAccept.Exception;
}
return((TChannel)(object)arAccept.Result);
}
finally
{
arAccept.Dispose();
}
}
public void EndGetEvent(/*IMFAsyncResult*/ IntPtr pResult, /*IMFMediaEvent*/ out IntPtr ppEvent)
{
if (pResult == IntPtr.Zero)
{
throw new ArgumentNullException();
}
var ar = new AsyncResult(pResult);
MediaEvent ev = null;
try {
_eventQueue.EndGetEvent(ar, out ev);
ppEvent = ev.Detach();
} finally {
ev?.Dispose();
ar.NativePointer = IntPtr.Zero;
ar.Dispose();
}
}
/// <summary>
/// Completes an asynchronous operation initiated by <see cref="BeginWaitForMessage" />.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> instance returned by <see cref="BeginWaitForMessage" />.</param>
/// <returns><c>true</c> if the channel has queued a received message.</returns>
public bool EndWaitForMessage(IAsyncResult result)
{
AsyncResult <bool, object> arWait = (AsyncResult <bool, object>)result;
arWait.Wait();
try
{
if (arWait.Exception != null)
{
return(false);
}
return(arWait.Result);
}
finally
{
arWait.Dispose();
}
}
/// <summary>
/// Completes an asynchronous message receive operation.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> returned by one of the <b>BeginReceive()</b> overrides.</param>
/// <returns>The <see cref="Message" /> received or <c>null</c> if the remote side of the session has been closed.</returns>
public Message EndReceive(IAsyncResult result)
{
AsyncResult <Message, object> arReceive = (AsyncResult <Message, object>)result;
arReceive.Wait();
try
{
if (arReceive.Exception != null)
{
throw ServiceModelHelper.GetCommunicationException(arReceive.Exception);
}
return(arReceive.Result);
}
finally
{
arReceive.Dispose();
}
}
/// <summary>
/// Completes an asynchronous channel message receive operation.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> returned by <see cref="BeginReceive" />.</param>
/// <returns>The <see cref="Message" /> received.</returns>
public Message EndReceive(IAsyncResult result)
{
AsyncResult <Message, InputChannel> arReceive = (AsyncResult <Message, InputChannel>)result;
Assertion.Test(arReceive.InternalState != null, "InternalState should have been set to the channel.");
arReceive.Wait();
try
{
if (arReceive.Exception != null)
{
throw ServiceModelHelper.GetCommunicationException(arReceive.Exception);
}
return(arReceive.Result);
}
finally
{
arReceive.Dispose();
}
}
/// <summary>
/// Completes an asynchronous message receive operation initiated by <see cref="BeginTryReceive" />.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> instance returned by <see cref="BeginTryReceive" />.</param>
/// <param name="message">Returns as the message received (or <c>null</c>).</param>
/// <returns><c>true</c> if a message was received.</returns>
public bool EndTryReceive(IAsyncResult result, out Message message)
{
AsyncResult <Message, object> arReceive = (AsyncResult <Message, object>)result;
message = null;
arReceive.Wait();
try
{
if (arReceive.Exception != null)
{
return(false);
}
message = arReceive.Result;
return(true);
}
finally
{
arReceive.Dispose();
}
}
/// <summary>
/// Completes an asynchronous channel message try-receive operation.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> returned by <see cref="BeginTryReceive" />.</param>
/// <param name="message">Returns as the <see cref="Message" /> received (or <c>null</c>).</param>
/// <returns><c>true</c> if a message was received.</returns>
public bool EndTryReceive(IAsyncResult result, out Message message)
{
AsyncResult <Message, InputChannel> arReceive = (AsyncResult <Message, InputChannel>)result;
message = null;
Assertion.Test(arReceive.InternalState != null, "InternalState should have been set to the channel.");
arReceive.Wait();
try
{
if (arReceive.Exception != null)
{
return(false);
}
message = arReceive.Result;
return(true);
}
finally
{
arReceive.Dispose();
}
}
private void OnEndTransfer(ReliableTransferHandler sender, ReliableTransferArgs args)
{
CloseStream();
if (reliableSession.IsServer)
{
if (arTransfer.Callback != null)
{
arTransfer.Notify(args.Exception);
}
else
{
// No callback so we'll handle the termination ourselves.
arTransfer.Dispose();
closed = true;
}
}
// Note that client side notification is handled by the
// ReliableTransferSession class.
}
/// <summary>
/// Completes an asynchronous channel try-receive request operation.
/// </summary>
/// <param name="result">The <see cref="IAsyncResult" /> returned by <see cref="BeginTryReceiveRequest" />.</param>
/// <param name="requestInfo">Returns as the <see cref="RequestInfo" /> received (or <c>null</c>).</param>
/// <returns><c>true</c> if a request was received.</returns>
public bool EndTryReceiveRequest(IAsyncResult result, out RequestInfo requestInfo)
{
AsyncResult <RequestInfo, ReplyChannel> arReceive = (AsyncResult <RequestInfo, ReplyChannel>)result;
requestInfo = default(RequestInfo);
Assertion.Test(arReceive.InternalState != null, "InternalState should have been set to the channel.");
arReceive.Wait();
try
{
if (arReceive.Exception != null)
{
return(false);
}
requestInfo = arReceive.Result;
return(true);
}
finally
{
arReceive.Dispose();
}
}
