python socket编程

Posted 2020-10-21 hjm-hjm

服务端

 1 #! /usr/bin/env python
 2 # -*- coding: utf-8 -*-
 3 # _author_ = ‘hjm‘
 4 # @Time    : 2018/1/20 下午8:10
 5 # @Email   : [email protected]
 6 # @File    : server_socket.py
 7 # @Software: PyCharm
 8 import socket,os
 9 
10 server=socket.socket()
11 server.bind((‘127.0.0.1‘,9999))
12 #服务端绑定地址
13 server.listen()
14 #服务端监听
15 while True:
16     con,addr=server.accept()
17 
18     print("new conn",addr)
19     while True:
20         print(‘等待新的指令！‘)
21         data=con.recv(1024)
22         if not data:
23             print(‘客户端已经断开‘)
24             break
25         cmd_res=os.popen(data.decode()).read()
26         if len(cmd_res)==0:
27             cmd_res=‘out put....‘
28         cmd_sazi=len(cmd_res)
29         con.send(str(cmd_sazi).encode(‘utf-8‘))
30 
31         #con.recv(1024)#分割粘包
32         con.send(cmd_res.encode(‘utf-8‘))
33         print("send down")
34 server.close()

server socket

客户端

 1 #! /usr/bin/env python
 2 # -*- coding: utf-8 -*-
 3 # _author_ = ‘hjm‘
 4 # @Time    : 2018/1/20 下午8:10
 5 # @Email   : [email protected]
 6 # @File    : client_socket.py
 7 # @Software: PyCharm
 8 import socket
 9 
10 clinet = socket.socket()
11 ip_port = (‘127.0.0.1‘, 9999)
12 clinet.connect(ip_port)
13 while True:
14     cmd = input(‘>>:‘).strip()
15     # 客户端输入命令，ls ,ifconfig
16     if len(cmd) == 0: continue  # 不能发送空数据
17     clinet.send(cmd.encode(‘utf-8‘))
18 
19     # 客户端发送指令
20     cmd_saiz = clinet.recv(1024)
21     # 接收服务发送的数据大小
22     print(cmd_saiz)
23     #clinet.send(b‘123‘)
24     received_saiz = 0
25 
26     while received_saiz != int(cmd_saiz.decode(‘utf-8‘)):#判断接收的大小与发送的大小是否一致
27         data = clinet.recv(1024)
28         # 客户端接收1024字节数据
29         received_saiz += len(data)
30 
31         print(data.decode())
32 clinet.close()

client socket