io多路复用(二)

服务端

 1 import socket
 2 sk1 = socket.socket()
 3 sk1.bind(('127.0.0.1',8001,))
 4 sk1.listen()
 5 
 6 inputs = [sk1,]
 7 import select
 8 while True:
 9     # [sk1,sk2,sk3]select内部自动监听sk1,sk2,sk3,三个对象,一旦某个句柄发生变化(accept())
10     # 如果有链接sk1
11     # r_list = [sk1,sk2]
12     r_list,w_list,e_list = select.select(inputs,[],inputs,1)
13     print('正在监听的socket对象%d' % len(inputs))
14     print(r_list)
15     for sk1_or_conn in r_list:
16         # 每一个链接对象
17         if sk1_or_conn ==sk1:
18             # 表示有新用户链接
19             conn,adress = sk1_or_conn.accept()
20             inputs.append(conn)#添加客户端文件句柄到列表
21         else:
22             # 表示有老用户来链接
23             try:
24                 data_bytes = sk1_or_conn.recv(1024)
25                 data_str = str(data_bytes,encoding='utf-8')
26                 sk1_or_conn.sendall(bytes(data_str+'',encoding='utf-8'))
27             except Exception as e:
28                 inputs.remove(sk1_or_conn)

客户端

1 import socket
2 obj = socket.socket()
3 obj.connect(('127.0.0.1',8001,))
4 while True:
5     inp = input('请如入内容:')
6     obj.sendall(bytes(inp,encoding='utf-8'))
7     rec_bytes = obj.recv(1024)
8     rec_str = str(rec_bytes,encoding='utf-8')
9     print(rec_str)

 

posted @ 2017-02-28 08:17  Erick-LONG  阅读(182)  评论(0编辑  收藏  举报