python连接池实现示例程序

def worker():
while True:
i = q.get()
conn=i[0]
addr=i[1]
while 1:
sms=conn.recv(1024)
if sms!="":
print "Message from ("+str(addr[0])+":"+str(addr[1])+"): "+sms
else:
print "Close the Connection from ("+str(addr[0])+":"+str(addr[1])+")"
conn.close()
break
q.task_done()

if __name__=="__main__":
q = Queue.Queue()
thread_num=5000

s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
s.bind(("",4242))
s.listen(50000)
print "Server is listening at 4242"

for _ in range(0,thread_num):
t=threading.Thread(target=worker)
t.setDaemon(1)
t.start()

while 1:
conn,addr=s.accept()
print "Connection come from ("+str(addr[0])+":"+str(addr[1])+")"
q.put((conn,addr))

q.join()