demo_client.py 文件源码

def main():
    while True:
        service = sel.get_service(5)
        print service

        if service:
            sock = socket.socket()
            try:
                sock.connect(tuple(service.addr.values()))
                sock.send('ping')
                print sock.recv(1024)
            except Exception as e:
                print e
                pass

        gevent.sleep(1)