select 中的poll方法

服务端：

"""
/etc/python3
@File     : poll_test.py
@Time     : 2020/7/17 下午5:00
@Author   : wangyongqi
@Email    : 92644827@qq.com
@SOftware : PyCharm 
"""
from socket import *
from select import *
from time import *
from select import poll



HOST='0.0.0.0'
PORT=9548
ADDR=(HOST,PORT)


tcp_socket=socket()
tcp_socket.bind(ADDR)
tcp_socket.listen(5)


p=poll()
p.register(tcp_socket,POLLIN)
map={tcp_socket.fileno():tcp_socket,}
print(tcp_socket.fileno())
print(len(map))
while True:
    events=p.poll()
    for fd,evnet in events:
        # for __ in map:
            if fd==tcp_socket.fileno():
                connfd, addr = map[fd].accept()
                print("waiting for conect",addr)
                p.register(connfd, POLLIN | POLLOUT)
                map[connfd.fileno()]=connfd
            else:
                    data=map[fd].recv(1024).decode()
                    if not data:
                        del map[fd]
                        p.unregister(fd)
                        map[fd].close()
                        continue
                    print(data)
                    map[fd].send(b'ok')

客户端：

"""
/etc/python3
@File     : tcp_conecter.py
@Time     : 2020/7/17 下午2:43
@Author   : wangyongqi
@Email    : 92644827@qq.com
@SOftware : PyCharm 
"""
from socket import socket



sockfd=socket()
sockfd.connect(('0.0.0.0',9548))
while True:
    sockfd.send(input(">>").encode())