public async Task <Message> ReceiveReplyAsync(TimeoutHelper timeoutHelper)
{
bool throwing = true;
try
{
bool expired = false;
if (!_completed)
{
bool wait = false;
lock (ThisLock)
{
if (!_completed)
{
wait = true;
_tcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
}
}
if (wait)
{
expired = !await TaskHelpers.AwaitWithTimeout(_tcs.Task, timeoutHelper.RemainingTime());
lock (ThisLock)
{
if (!_completed)
{
_completed = true;
}
else
{
expired = false;
}
}
}
}
if (_aborted)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(_parent.CreateClosedException());
}
else if (_faulted)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(_parent.GetTerminalException());
}
else if (expired)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TimeoutException(SR.Format(SR.TimeoutOnRequest, _originalTimeout)));
}
else
{
throwing = false;
return(_reply);
}
}
finally
{
if (throwing)
{
WsrmFault fault = SequenceTerminatedFault.CreateCommunicationFault(_parent.session.InputID,
SR.SequenceTerminatedReliableRequestThrew, null);
_parent.session.OnLocalFault(null, fault, null);
}
}
}