python-poll实现异步IO 

 1 #!usr/bin/python
 2 
 3 from socket import *
 4 from select import *
 5 from time import ctime
 6 s=socket()
 7 s.bind(('127.0.0.1',6653))
 8 
 9 d={s.fileno():s}
10 s.listen(5)
11 
12 p=poll()
13 p.register(s)
14 
15 while 1:
16     events=p.poll()
17     for fd,event in events:
18         if fd==s.fileno():
19             c,addr=s.accept()
20             print "connect from ",addr
21             p.register(c)
22             d[c.fileno()]=c
23         elif event & POLLIN:
24             data=d[fd].recv(1024)
25             if not data:
26                 print d[fd].getpeername(),"discponnect"
27                 p.unregister(fd)
28                 del d[fd]
29             else:
30                 print data
31                 d[fd].send("[%s]%s"%(ctime(),data))
32 s.close()

 

posted @ 2017-07-17 16:26  橙云生  阅读(411)  评论(1)    收藏  举报