# !/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2017/8/22 16:14
# @Author  : Mr_zhang
# @Site    :
# @File    : server.py
# @Software: PyCharm

from socket import *
import subprocess
import struct
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...')
while True:
    conn,client_addr = phone.accept()        #等待客户端发送数据      ======>接收
    print('------->',conn,client_addr)
    while True:
        try:
            cmd = conn.recv(1024)
            if not cmd:break
            res = subprocess.Popen(cmd.decode('utf-8'),shell=True,          #将普通字符串转化为系统命令
                                   stdout=subprocess.PIPE,
                                   stderr=subprocess.PIPE)
            stdout = res.stdout.read()         #输入正确读取的内容
            stderr = res.stderr.read()         #输入错误读取的内容

            header = struct.pack('i',len(stdout)+len(stderr))          #根据长度制作报头
            conn.send(header)                                          #发送报头去探路
            conn.send(stdout)
            conn.send(stderr)
        except Exception:
            break
    conn.close()
phone.close()

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2017/8/22 16:14
# @Author  : Mr_zhang
# @Site    : 
# @File    : client.py
# @Software: PyCharm

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

while True:
    cmd = input('>>:').strip()        #输入的命令
    if not cmd:continue
    phone.send(cmd.encode('utf-8'))       #encode之后发送出去

    header_struct = phone.recv(4)         #接收的报头信息
    unpack_res = struct.unpack('i',header_struct)     #将字节流转化为Python数据类型
    total_size = unpack_res[0]      #拆包之后是元组，取第一项

    recv_size = 0        #接收道德数据，刚开始为0
    total_data = b''     #初始数据
    while recv_size < total_size:      #接收到的数据<总共的数据
        recv_data = phone.recv(1024)    #每次接收的数据
        recv_size+=len(recv_data)      #接收到的数据=每次接收的收据+上次接收的数据
        total_data+=recv_data          #最后的总数据
    print(total_data.decode('gbk'))     #转换为本机电脑的编码
phone.close()