研究python伺服器開發

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研究python伺服器開發http://www.example-code.com/python/ssh_exec.asp

telnet 118.193.152.71 51234

import socket, threadingHOST = ‘127.0.0.1‘PORT = 51234 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)s.bind((HOST, PORT))s.listen(4)clients = [] #list of clients connectedlock = threading.Lock()class chatServer(threading.Thread):    def __init__(self, (socket,address)):        threading.Thread.__init__(self)        self.socket = socket        self.address= address    def run(self):        lock.acquire()        clients.append(self)        lock.release()        print ‘%s:%s connected.‘ % self.address        while True:            data = self.socket.recv(1024)            if not data:                break            for c in clients:                c.socket.send(data)        self.socket.close()        print ‘%s:%s disconnected.‘ % self.address        lock.acquire()        clients.remove(self)        lock.release()while True: # wait for socket to connect    # send socket to chatserver and start monitoring    chatServer(s.accept()).start()

$ START "" .\dns-server.py$ .\dns-client.py172.16.45.84

#!/usr/bin/pythonimport socketdef resolve(name):    if name == "mpapp.nobies.in":        return "172.16.45.84"    else :        # you ought to add some basic checking of name here        return socket.gethostbyname(name)host = ‘‘port = 50000backlog = 5size = 1024s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)s.bind((host,port))s.listen(backlog)while 1:    client, address = s.accept()    data = client.recv(size)    if data:        bits = data.split(":")        if bits[0] == ‘h‘:            client.send(resolve(bits[1]))    client.close()

 

#!/usr/bin/pythonimport socket### configure me ###dns_server_ip = ‘127.0.0.1‘dns_server_port = 50000query = ‘mpapp.nobies.in‘ # change this to the hostname you want to lookup### configure me ###size = 1024s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)s.connect((dns_server_ip,dns_server_port))s.send(‘h:‘ + query)data = s.recv(size)s.close()print data

 

研究python伺服器開發