单线程下实现并发的套接字

from gevent import monkey;monkey.patch_all()
from socket import *
from gevent import spawn #导入spawn之前一定要传入monkey
#俩个io密集型任务
def comun(conn):
    while True: # 链接循环
        try:
            data = conn.recv(1024)
            if len(data) == 0: break
            conn.send(data.upper())
        except ConnectionResetError:
            break
    conn.close()

def server(ip,port,backlog=5):
    server=socket(AF_INET,SOCK_STREAM)
    server.bind((ip,port))
    server.listen(backlog)

    while True:  # 链接循环
        conn,client_addr= server.accept()
        print(client_addr)

        # 通信
        spawn(comun,conn)

if __name__ == '__main__':
    g1=spawn(server,'127.0.0.1',8080)
    g1.join()

服务端

from threading import Thread,current_thread #开线程 from socket import * def client(): client= socket(AF_INET,SOCK_STREAM) client.connect(('127.0.0.1',8080)) n=0 while True: msg='%s say hello %s' %(current_thread().name,n) n+=1 client.send(msg.encode('utf-8')) data=client.recv(1024) print(data.decode('utf-8')) if __name__ == '__main__': for i in range(500): t=Thread(target=client) t.start()

单线程下实现并发的套接字

相关推荐