Chapter 4 network server

To create a TCP server: Create a socket object, set the socket option, bind it to a port, and listen for the connection.

1. Establish a connection.

S = socket. socket (socket. af_inet, socket. sock_stream)

Ii. Set options (optional)

S. setsockopt (socket. sol_socket, socket. so_reuseaddr, 1)

For specific options, see socket (7) manual.

3. Bind a port

S. BIND ('', 80)

Iv. Listener connection

S. Listen (5)

The server must consider the exception handling situation and ensure that the service does not stop due to exceptions.

Create the pseudocode Of The UDP Server:

Ss = socket () ss. BIND () inf_loop: Ss. recvfrom ()/SS. sendto () ss. Close ()

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Chapter 4 network server