Establish a simple Web server

For a client, there are two steps to establishing a TCP connection, including establishing a socket object and calling connect () to establish a connection to the server.

Four steps required for the server:

1. To create a socket object:

s = socket.socket (socket.af_inet, socket. SOCK_STREAM)

2. Set socket options (optional)

S.setsockopt (socket. Sol_socket, SOCKET. SO_REUSEADDR, 1) #把socket设置成可复用的

3. Bind a port, you can also make a network card!

S.bind ((host, Port))

4. Listening for connections

S.listen (5) #调用listen函数, waiting for the client to connect, with a maximum of one pending connection per time

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Establish a simple Web server