John Salerno wrote:
if the program I write actually works and allows the two
computers to speak to each other, will that be a result purely of the
program, or will it have anything to do with the fact that they are
already on a home network together?
Here are the two programs. Server first, then client. They work, which
in itself amazes me that it's so simple to create a network connection
like this! But my basic question is this: would this connection work if
the two computers (each running one of these scripts) were completely
unrelated to one another? My two are on a home network, but if I were to
run the server program and have a friend of mine (who lives somewhere
else) run the client program, would it still work?
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#!/usr/bin/env python
from socket import *
from time import ctime
HOST = '192.168.1.100'
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST, PORT)
tcpSerSock = socket(AF_INET, SOCK_STREAM)
tcpSerSock.bind(ADDR)
tcpSerSock.listen(5)
while True:
print 'waiting for connection...'
tcpCliSock, addr = tcpSerSock.accept()
print '...connected from:', addr
while True:
data = tcpCliSock.recv(BUFSIZ)
if not data:
break
tcpCliSock.send('[%s] %s' % (ctime(), data))
tcpCliSock.close()
tcpSerSock.close()
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-----
#!/usr/bin/env python
from socket import *
HOST = '192.168.1.100'
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST, PORT)
tcpCliSock = socket(AF_INET, SOCK_STREAM)
tcpCliSock.connect(ADDR)
while True:
data = raw_input('> ')
if not data:
break
tcpCliSock.send(data)
data = tcpCliSock.recv(BUFSIZ)
if not data:
break
print data
tcpCliSock.close()
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