public void RecieveAsync([NotNull] Socket socket, int expectedMessageSize, [NotNull] TOuterToken outerToken, [NotNull] RecieverCallback callback)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
if (expectedMessageSize <= 0)
{
throw new ArgumentOutOfRangeException("expectedMessageSize", "must be positive");
}
if (outerToken == null)
{
throw new ArgumentNullException("outerToken");
}
if (callback == null)
{
throw new ArgumentNullException("callback");
}
var buffer = _bufferManager.CheckOut(expectedMessageSize);
var socketArgs = _socketArgsPool.Get();
var token = new RecieveToken(socket, outerToken, buffer, expectedMessageSize, callback);
socketArgs.BufferList = buffer;
socketArgs.Completed += RecieveCompletedHandler;
socketArgs.UserToken = token;
try
{
bool willRaiseEvent = socket.ReceiveAsync(socketArgs);
if (!willRaiseEvent)
{
RecieveCompletedHandler(this, socketArgs);
}
}
catch (SocketException socketException)
{
Debug.Assert(socketException.SocketErrorCode != SocketError.Success);
ReleaseResourcesAndCallErrorCallback(socketArgs, token, socketException.SocketErrorCode);
}
}
private void ReleaseResourcesAndCallErrorCallback([NotNull] SocketAsyncEventArgs socketEventArgs, [NotNull] RecieveToken token, SocketError socketError)
{
ReleaseBuffer(_bufferManager, token.Buffer);
ReleaseSocketArgs(_socketArgsPool, socketEventArgs, RecieveCompletedHandler);
token.Callback(token.OuterToken, socketError, null);
}