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COMP10052-AAAF-06-2010-for-viewing

The server socket then simply goes back to listen for

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Unformatted text preview: r\n") # send Gopher message while True: buf = s.recv(2048) # chunk-read Gopher response if not len(buf): # stop when buf received nothing break sys.stdout.write(buf) # write each chunk onto stdout sys.exit(0) Server ­Side Sockets (1) 12           A “server” socket behaves more like a dispatcher. A “server” socket does not normally send or receive any data: typically, it simply listens for connec=ons on the host and port it (i.e., the “server” socket) is bound to. When it gets one connec=on, it also gets a new socket in response to that event. It then typically spawns a handler process, or thread, who is the one that actually uses the new socket to exchange messages with the client ­connected socket. The “server” socket then simply goes back to listen for more connec=ons. Server ­Side Sockets (2) 13   The “server” socket set ­up stage has more steps, as follows:         Create the “server” socket...
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