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2학기파이선스터디/서버&클라이언트접속프로그램

~cpp 
#----------------------------------------------------------
# 타임서버 v0.1
#
#----------------------------------------------------------

import time
from socket import *

PORT    = 13
HOST    = ''                                            # localhost를 의미

def timeserver_calculation():
    return time.asctime( time.gmtime() )

def daytimeserver(host=HOST, port=PORT, backlog=5):
    serversock = socket(AF_INET, SOCK_STREAM)
    serversock.bind( (host,port) )                      # 튜플!
    serversock.listen(backlog)
    print 'Listening on Port %s (%s, %s)' % (port, 'host', backlog)
    while 1:
        conn, addr = serversock.accept()
        daytime = timeserver_calculation()
        print 'Connected for %s Client: %s, Port: %s' % (daytime, addr, port)
        conn.send(daytime)
        conn.close()

if __name__ == '__main__':
    daytimeserver()


~cpp 

#----------------------------------------------------------
# 타임클라이언트 v0.1
#
import sys
from socket import *

BUFSIZE = 1024
HOST    = 'localhost'
#HOST   = '203.254.163.74'                               
PORT    = 13                                            

def daytimeclient(host=HOST, port=PORT):
    clientsock = socket(AF_INET, SOCK_STREAM)
    try:
        clientsock.connect( (host, port) )
    except:
        print 'connect: Connection retused'
        return
    svr_time = clientsock.recv(BUFSIZE)
    print svr_time
    clientsock.close()

if __name__ == '__main__':
    daytimeclient()

~cpp import time 
from socket import * 
 
PORT    = 13 
HOST    = 'localhost'                                            # localhost를 의미 
 
def server(host=HOST, port=PORT, backlog=5): 
    serversock = socket(AF_INET, SOCK_STREAM) 
    serversock.bind( (host,port) )                      # 튜플! 
    serversock.listen(backlog)
    print 'Listening on Port %s (%s, %s)' % (port, 'host', backlog) 
    while 1:
        conn, addr = serversock.accept()
        print 'Connected for %s Client: %s, Port: %s' % (addr, port) 
        user = cerversock.recv(1024)
        serversock.send(user)
 
if __name__ == '__main__': 
    server() 

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