python python中的套接字服务器使用select函数

Posted 2021-05-09

#/bin/sh
exec 3<>/dev/tcp/127.0.0.1/8888
echo -e "GET / HTTP/1.1\n\n" >&3
cat <&3
#tail -f ~/ucm.out >&3
#cat <&3
echo -e $@ >&3
exit $?

#!/usr/bin/python
'''
    Simple socket server using threads
    http://tools.ietf.org/html/rfc6455
'''

import socket
import sys

HOST = ''   # Symbolic name, meaning all available interfaces
PORT = 8888 # Arbitrary non-privileged port
RECV_BUFFER = 4096

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print 'Socket created'

#Bind socket to local host and port
try:
    s.bind((HOST, PORT))
except socket.error as msg:
    print 'Bind failed. Error Code : ' + str(msg[0]) + ' Message ' + msg[1]
    sys.exit()

print 'Socket bind complete'

#Start listening on socket
s.listen(10)
print 'Socket now listening'

#now keep talking with the client
while 1:
    #wait to accept a connection - blocking call
    conn, addr = s.accept()
    print 'Connected with ' + addr[0] + ':' + str(addr[1])
    data = s.recv(RECV_BUFFER)
    if data:
        s.send(str.encode('OK ... ' + bytes.decode(data)))

s.close()