TCP Client Order of Operations

• socket() – Get a socket descriptor

• bind() – Specify SOURCE port (Optional)

• connect() – Connect to destination IP/PORT

• send()/recv() – Data transfer

• close() – Close the socket

TCP Server Order of Operations

• socket() – Get a socket descriptor
• bind() – Specify SOURCE port to listen on (Mandatory)
• listen() – Wait for a client to connect on the port
• accept() – Returns a tuple containing the NEW socket to communicate with a single client, and a tuple of remote ip/port
• send/recv() – Data Transfer
• close() – Close the socket

Multiple Assignment:

ret = sock.accept()

ret[0] # The socket

ret[1] # tuple of remote ip/port

accept_socket, remote = sock.accept