Networks lab codes of Jaseem Abid. Semester 5, NIT Calicut
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A simple chat server with unix sockets.

Author : Jaseem Abid License : GPL V3

Testing instructions

  1. compile the server code gcc server.c -o server -pthread
  2. compile the client code gcc client.c -o client -pthread
  3. Run server ./server <port number>. Eg: ./server 8089
  4. Run the client in a different terminal. ./client <server> <port>. Eg: ./client localhost 8089
  5. Run any number of clients in different terminals
  6. Send messages to user in the format <userid> <Message>. Eg: 1 hello world

Code tested on an ubuntu 10.04 LTS machine with gcc (Ubuntu 4.4.3-4ubuntu5) 4.4.3


A message can be sent from peer to peer in the format '@ Message' It is assumed now that the entered peed id is valid integer. A '*' will enable users to broadcast message to all logged in users at the same given time. Sample message @3 Hello world :) Clients use a multi threaded approach to recieve and send messages the same time. A thread runs listening to the socket and one to stdin. This enables concurrent chat between multiple users.



If you have any questions, please feel free to ask me at

Report bugs at github