server:
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# author aliex-hrg
import gevent
from gevent import socket
def server(port):
s = socket.socket()
s.bind(('0.0.0.0', port))
s.listen(500)
while True:
conn,addr = s.accept() #等待连接进来，没有连接一直挂起
gevent.spawn(func,conn) #进来连接了，交给协程执行func函数，func无限收发数据，这中间遇到io切换
def func(conn):
try:
while True:
recv = conn.recv(8096)
print("recv:%s" %recv.decode())
resp = recv.decode().upper()
conn.send(resp.encode())
except Exception as e:
print(e)
finally:
conn.close()
if __name__ == '__main__':
server(5000)
client:
import socket
sock = socket.socket()
sock.connect(('127.0.0.1',5000))
flag = False
while not flag:
data = input(">>:").strip()
if len(data) == 0:continue
sock.send(data.encode()) #如果是发送一个空值，虽然显示是发出去了，但对方却认为你没发
recv_data = sock.recv(8096)
print("recv:",recv_data.decode())
sock.close()
