public Message SendMessage(Message msg)
{
byte[] body = msg.GetBody();
int msgIndex = GetMessageIndex();
EventWaitHandle waiter = new ManualResetEvent(false);
// Have to add waithandle before we send data, incase the response comes back before we add it.
lock (waitHandles)
{
waitHandles.Add(msgIndex, waiter);
}
lock (stream)
{
writer.Write((int)msg.Type);
writer.Write(msgIndex);
writer.Write(body.Length);
writer.Flush();
stream.Write(body, 0, body.Length);
}
waiter.WaitOne();
lock (waitHandles)
{
waitHandles.Remove(msgIndex);
}
lock (responses)
{
if (responses.ContainsKey(msgIndex))
{
Message answer = responses[msgIndex];
responses.Remove(msgIndex);
return answer;
}
else
throw new IOException("Send failed.");
}
}
public void PostResponse(Message msg, int messageNumber)
{
byte[] body = msg.GetBody();
lock (stream)
{
writer.Write((int)msg.Type);
writer.Write(-messageNumber);
writer.Write(body.Length);
writer.Flush();
stream.Write(body, 0, body.Length);
}
}