# 服务端

# _*_coding:utf-8_*_

__author__ = 'cc'

from socket import *
import subprocess

ip_port = ('127.0.0.1', 1080)
bufsize = 1024

udp_server = socket(AF_INET, SOCK_DGRAM)
udp_server.bind(ip_port)

while True:
    # 收消息
    cmd, addr = udp_server.recvfrom(bufsize)
    print('用户命令----->', cmd)

    # 逻辑处理
    res = subprocess.Popen(cmd.decode('utf-8'), shell=True, stderr=subprocess.PIPE, stdin=subprocess.PIPE,
                           stdout=subprocess.PIPE)
    stderr = res.stderr.read()
    stdout = res.stdout.read()

    # 发消息
    udp_server.sendto(stderr, addr)
    udp_server.sendto(stdout, addr)
udp_server.close()

# 客户端
from socket import *

ip_port = ('127.0.0.1', 1080)
bufsize = 1024

udp_client = socket(AF_INET, SOCK_DGRAM)

while True:
    msg = input('>>: ').strip()
    udp_client.sendto(msg.encode('utf-8'), ip_port)

    data, addr = udp_client.recvfrom(bufsize)
    print(data.decode('utf-8'), end='')

#_*_coding:utf-8_*_
__author__ = 'Linhaifeng'
import socket
ip_port=('127.0.0.1',8081)#电话卡
BUFSIZE=1024
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM) #买手机
s.bind(ip_port) #手机插卡
s.listen(5)     #手机待机


while True:                         #新增接收链接循环,可以不停的接电话
    conn,addr=s.accept()            #手机接电话
    # print(conn)
    # print(addr)
    print('接到来自%s的电话' %addr[0])
    while True:                         #新增通信循环,可以不断的通信,收发消息
        msg=conn.recv(BUFSIZE)             #听消息,听话

        # if len(msg) == 0:break        #如果不加,那么正在链接的客户端突然断开,recv便不再阻塞,死循环发生

        print(msg,type(msg))

        conn.send(msg.upper())          #发消息,说话

    conn.close()                    #挂电话

s.close()                       #手机关机

#_*_coding:utf-8_*_
__author__ = 'Linhaifeng'
import socket
ip_port=('127.0.0.1',8081)
BUFSIZE=1024
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)

s.connect_ex(ip_port)           #拨电话

while True:                             #新增通信循环,客户端可以不断发收消息
    msg=input('>>: ').strip()
    if len(msg) == 0:continue
    s.send(msg.encode('utf-8'))         #发消息,说话(只能发送字节类型)

    feedback=s.recv(BUFSIZE)                           #收消息,听话
    print(feedback.decode('utf-8'))

s.close()                                       #挂电话