public IAsyncResult BeginSendMessage(string message, AsyncCallback asyncCallback, object state)
{
WriteSendBuffer(message);
var asyncResult = new AsyncResultNoReturnValue(asyncCallback, state);
socket.BeginSend(outputBuffer, sendBufferOffset, sendBufferSize - sendBufferOffset, SocketFlags.None, HandleSendCompleted, asyncResult);
return asyncResult;
}
private IAsyncResult DoBeginSend(byte[] bytesToSend, AsyncCallback asyncCallback, object state)
{
if (asyncResult != null)
{
throw new InvalidOperationException("Can only send a server handshake once per " + GetType().Name + " instance");
}
asyncResult = new AsyncResultNoReturnValue(asyncCallback, state);
sendBuffer = bytesToSend;
socket.BeginSend(sendBuffer, 0, sendBuffer.Length, SocketFlags.None, HandleSendCompleted, null);
return asyncResult;
}
