This is a Chat application used for communication with all the clients present over LAN made by using socket programming in C/C++ . A message sent by a client ( or server ) is broadcasted to all the clients in the LAN.
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Compile the server and client source code using
$ g++ gc_server.cpp -o gc_server
$ g++ gc_client.cpp -o gc_client -
Run the server program on the computer chosen to be server.
$ ./gc_server server_ip server_port -
Run the client program on the client computer
$ ./gc_client server_ip server_port
As soon as the connection is done, server and all other existing clients will be notified that a new client has joined the connection.
From now on any message sent will be received by all the other computers along with the IP of the sender.
getaddrinfo()to get the linked list of addrinfo structures.- used I/O multiplexing i.e.
poll()to handle updates on various file descriptors, such as taking input, receiving incoming connections and receiving messages from clients. C++ vectorto manage the addresses of the clients.