CS 471 - Operating Systems

Due Midnight, Thursday Feb 28, 2013

Implement the following two programs:

ChatServer <port>

ChatClient <host> <port>

ChatServer Description:

ü The main thread create an information thread to accept tcp a connections on a server socket binded to port+1.

For each accepted connection, it sends a list L of < ip, port> of all currently connected chat clients and then close the connection.

ü The main thread accepts tcp connections from chat clients on server socket binded to port.

For each accepted connection, it creates a chat thread that sends any received message from the connection to all currently connected chat clients.

ChatClient Description:

ü Connects to the ChatServer at port

ü Creates a thread to reads messages from the stdin and sends it to the ChatServer.

ü Reads the received messages from the ChatServer and displays it to the stdout.

ü When it receives an INT signal, it connects to the ChatServer at port+1 and displays the received information to the stdout.

You may execute my solutions at:

http://www.cs.odu.edu/~cs471w/spring13/assignments/a2/wahab