客户端
#!/usr/bin/env python
#-*-coding:utf8-*-
import socket
HOST = 'localhost' # The remote host
PORT = 8001 # The same port as used by the server
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((HOST, PORT))
while True:
msg = bytes(input(">>:"), encoding="utf8")
s.sendall(msg)
data = s.recv(1024)
# print(data)
print('Received', repr(data)) #repr格式化输出
s.close()
服务器
#!/usr/bin/env python
#-*-coding:utf8-*-
import sys
import socket
import time
import gevent
from gevent import socket, monkey
monkey.patch_all()
def server(port):
s = socket.socket()
s.bind(('0.0.0.0', port))
s.listen(500)
while True:
cli, addr = s.accept() #socket sever到这步默认会生成一个线程,把请求交给线程处理
# 但这里是交给协程处理(cli就是客户端连过来而在服务器端为其生成的一个连接实例)
gevent.spawn(handle_request, cli) #启动一个协程
#把客户端请求连接生成的实例cli交给handle_request方法
def handle_request(conn): #负责处理和客户端请求的所有交互
try:
while True:
data = conn.recv(1024)
print("recv:", data)
conn.send(data)
if not data:
conn.shutdown(socket.SHUT_WR)
except Exception as ex:
print(ex)
finally:
conn.close()
if __name__ == '__main__':
server(8001)