python---基本socket编写

root@kali:~/python/snmp# clear
root@kali:~/python/snmp# vi snmpclenit.py
root@kali:~/python/snmp# cat snmpclenit.py
#!/usr/bin/python
# --*-- coding:utf-8 --*--

import socket

host,port = '192.168.72.130',18000
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)#调用IPv4协议
s.connect((host,port))#连接主机与端口

s.send("up")#客户端给服务器端发送数据“up”

s.close()

root@kali:~/python/snmp# ls
snmpclenit.py  tab.py
root@kali:~/python/snmp#

root@kali:~/python/snmp# vi snmpserver.py
root@kali:~/python/snmp# cat snmpserver.py
#!/usr/bin/python
# --*-- coding:utf-8 --*--

import SocketServer

class myMonitorHandler(SocketServer.BaseRequestHandler):
'''This is the Monitor server'''
def handle(self):
recv_data = self.request.recv(1024)#接收客户端数据
print 'From %s : %s' %(self.client_address,recv_data)#打印客户端地址与接收的数据
pass

if __name__ == "__main__":#当自己运行时调用什么什么；当被其他程序调用时调用什么什么,如果被其他程序调用了，下面代码不执行
host,port = '',18000
server = SocketServer.ThreadingTCPServer((host,port),myMonitorHandler)#调用TCP的多线程
server.serve_forever()

root@kali:~/python/snmp# ls
snmpserver.py  tab.py
root@kali:~/python/snmp#

root@kali:~/python/snmp# python snmpserver.py

root@kali:~/python/snmp# python snmpclenit.py
root@kali:~/python/snmp# python snmpclenit.py
root@kali:~/python/snmp# python snmpclenit.py
root@kali:~/python/snmp# python snmpclenit.py

root@kali:~/python/snmp# python snmpserver.py
From ('192.168.72.129', 48997) : up
From ('192.168.72.129', 48998) : up
From ('192.168.72.129', 48999) : up
From ('192.168.72.129', 49000) : up