socket__服务端于客户端

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2017/8/23 15:33
# @Author  : Mr_zhang
# @Site    :
# @File    : 服务端.py
# @Software: PyCharm

from socket import *
import subprocess,struct,json
phone = socket(AF_INET,SOCK_STREAM)
phone.setsockopt(SOL_SOCKET,SO_REUSEADDR,1)
phone.bind(('127.0.0.1',8080))
phone.listen(7)

print('startting....')       #程序运行
while True:
    conn,client_addr = phone.accept()       #等待链接，返回链接消息和客户端的IP和端口
    print(conn,client_addr)              #查看打印信息
    print('---------->',conn,client_addr)

    while True:
        try:
            cmd = conn.recv(1024)
            if not cmd:break
            res = subprocess.Popen(cmd.decode('utf-8'),shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
            stdout = res.stdout.read()
            stderr = res.stderr.read()

            header_dic = {'total_size':len(stdout)+len(stderr),'filename':None,'md5':None}    #制作报头
            header_json = json.dumps(header_dic)        #序列化报头
            header_bytes = header_json.encode('utf-8')      #序列化转码
            conn.send(struct.pack('i',len(header_bytes)))
            conn.send(header_bytes)
            conn.send(stdout)
            conn.send(stderr)
        except Exception:
            break
    conn.close()
phone.close()

---

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2017/8/23 15:34
# @Author  : Mr_zhang
# @Site    :
# @File    : 客户端.py
# @Software: PyCharm

from socket import *
import struct,json
phone = socket(AF_INET,SOCK_STREAM)
phone.connect(('127.0.0.1',8080))

while True:
    cmd = input('>>>:').strip()
    if not cmd:continue
    phone.send(cmd.encode('utf-8'))        #发送出去的消息需要转码
    header_len = struct.unpack('i',phone.recv(4))[0]       #接收到的消息解包   （[0]表示元组中的第一个值（报头））

    header_bytes = phone.recv(header_len)       #接收到的后续包
    header_json = header_bytes.decode('utf-8')     #基于上一行进行转码
    header_dic = json.loads(header_json)       #饭序列化
    total_size = header_dic['total_size']        #反序列化之后得到的header_dic中的total_size大小
    recv_size = 0
    total_data = b''
    while recv_size < total_size:
        recv_data = phone.recv(1024)
        recv_size+=len(recv_data)
        total_data+=recv_data
    print(total_data.decode('gbk'))
phone.close()