import socket

import sys

port = 70

host = sys.argv[1]

filename = sys.argv[2]

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

s.connect((host, port))

fd = s.makefile("rw", 0)

fd.write(filename + "\n")

for line in fd.readlines():

    sys.stdout.write(line)

python client.py quux.org /

iWelcome to gopher at quux.org!	fake	(NULL)	0

i	fake	(NULL)	0

iThis server has a lot of information of historic interest,	fake	(NULL)	0

ifunny, or just plain entertaining -- all presented in Gopher.	fake	(NULL)	0

iThere are many mirrors here of rare or valuable files with the	fake	(NULL)	0

iaim to preserve them in case their host disappears.  PLEASE READ	fake	(NULL)	0

i"About This Server" FOR IMPORTANT NOTES AND LEGAL INFORMATION.	fake	(NULL)	0

i	fake	(NULL)	0

0About This Server	/About This Server.txt	gopher.quux.org	70	+

1Archives	/Archives	gopher.quux.org	70	+

1Books	/Books	gopher.quux.org	70	+

1Communication	/Communication	gopher.quux.org	70	+

iThis directory contains the entire text of the book	fake	(NULL)	0

i"We the Media: Grassroots Journalism by the People, for the People"	fake	(NULL)	0

iby Dan Gillmor in various formats.	fake	(NULL)	0

i	fake	(NULL)	0

iFeel free to download and enjoy.	fake	(NULL)	0

1Computers	/Computers	gopher.quux.org	70	+

1Current Issues and Events (Updated Apr. 23, 2002)	/Current	gopher.quux.org	70	+

1Development Projects	/devel	gopher.quux.org	70	+

0Gopher's 10th Anniversary	/3.0.0.txt	gopher.quux.org	70

1Government, Politics, Law, and Conflict	/Government	gopher.quux.org	70	+

0How To Help	/How To Help.txt	gopher.quux.org	70	+

1Humor and Fun	/Humor and Fun	gopher.quux.org	70	+

1Index to Quux.Org	/Archives/index	gopher.quux.org	70

1Internet	/Internet	gopher.quux.org	70	+

1Other Gopher Servers	/Software/Gopher/servers	gopher.quux.org	70

1People	/People	gopher.quux.org	70	+

1Reference	/Reference	gopher.quux.org	70	+

1Software and Downloads	/Software	gopher.quux.org	70	+

1The Gopher Project	/Software/Gopher	gopher.quux.org	70

0What's New	/whatsnew.txt	gopher.quux.org	70	+　

# coding: utf-8

import socket

host = ''

port = 51421

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

s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

s.bind((host, port))

s.listen(1)               #每次最多只有一个等候处理

print "Server is running on port %d; press Ctrl-C to terminate." %port

while 1:

    clientsock, clientaddr = s.accept()

    clientfile = clientsock.makefile('rw', 0)

    clientfile.write("Welcome, " + str(clientaddr) + "\n")

    clientfile.write("Please enter a string: ")

    line = clientfile.readline().strip()

    clientfile.write("You entered %d characters. \n" %len(line))

    clientfile.close()

    clientsock.close()

python server.py

jihite@ubuntu:~/web$ telnet localhost 51421

Trying 127.0.0.1...

Connected to localhost.

Escape character is '^]'.

Welcome, ('127.0.0.1', 59853)

Please enter a string: mm

You entered 2 characters.

Connection closed by foreign host.