python中协程实现TCP连接的实例分析

#服务端

import socket

from gevent import monkey

import gevent

monkey.patch_all()

def handle_conn(seObj):

  while True:

    re_Data = seObj.recv(1024).decode('utf-8')

    if re_Data == 'quit':

      break

    print('client>>',re_Data)

    value = input("server>>")

    se_Data = seObj.send(value.encode('utf-8'))

    if se_Data == 'quit':

      break

if __name__ == '__main__':

  server = socket.socket()

  server.bind(('192.168.1.227',9876))

  print("服务已开启")

  server.listen(4)

  while True:

    seObj,add = server.accept()

    gevent.spawn(handle_conn,seObj)

  seObj.close()

  server.close()

import socket

 

# 1. 创建客户端的socket对象

client = socket.socket()

# 2. 连接服务端， 需要指定端口和IP

client.connect(('192.168.1.227',9876))

while True:

  # 3. 给服务端发送数据

  send_data = input("client:>")

  client.send(send_data.encode('utf-8'))

  if send_data == 'quit':

    break

  # 4. 获取服务端返回的消息

  recv_data = client.recv(1024).decode('utf-8')

  if recv_data == 'quit':

    break

  print("server:>%s" %(recv_data))

# 5. 关闭socket连接

client.close()