Introduction - If you have any usage issues, please Google them yourself
Believe that people are more or less used chat tools, such as QQ, MSN. This chat tools are based on the principle of complete function requirement, written as follows:
Can manual input server IP address and port connection (client function).
Manually server accept other client connection request (server functions).
Can send messages to the server, show from the server information (client function).
Can accept the client of messages sent, and will to message to all online client (server function).