通过gevent实现单线程下的多socket并发

  #通过gevent实现单线程下的多socket并发 服务器

 #server side
 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()
         gevent.spawn(handle_request, cli)

 def handle_request(conn):
     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)

#通过gevent实现单线程下的多socket并发 服务器

 #通过gevent实现单线程下的多socket并发 客户端

 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))
 s.close()

#通过gevent实现单线程下的多socket并发 客户端

 #通过gevent实现单线程下的多socket并发 客户端#并发多个sock连接

 import socket
 import threading

 def sock_conn():

     client = socket.socket()

     client.connect(("localhost",8001))
     count = 0
     while True:
         #msg = input(">>:").strip()
         #if len(msg) == 0:continue
         client.send( ("hello %s" %count).encode("utf-8"))

         data = client.recv(1024)

         print("[%s]recv from server:" % threading.get_ident(),data.decode()) #结果
         count +=1
     client.close()

 for i in range(50):
     t = threading.Thread(target=sock_conn)
     t.start()

#通过gevent实现单线程下的多socket并发 客户端#并发多个sock连接