#coding=utf⑻ import socket import select import sys import threading import time import logging import os logsDir = "logs" if not os.path.isdir(logsDir):

os.mkdir(logsDir) logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',

datefmt='%a, %d %b %Y %H:% M:%S', filename='logs/logs.log', filemode='a') #C的IP和端口 to_addr = ('127.0.0.1', 8087) maxConnetions = 32 class Proxy:

def __init__(self, addr): self.proxy = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.proxy.bind(addr) self.proxy.listen(maxConnetions) self.inputs = {self.proxy:None} self.route = {} def serve_forever(self)

info('proxy listen...') while 1: readable, _, _ = select.select(list(self.inputs.keys()), [], []) for self.sock in readable: if self. sock

== self.proxy: self.on_join() else: try: data = self.sock.recv(8192) except Exception, e: logging.error(str(e)) self.on_quit() 

self.on_quit() else: try: self.route[self.sock].send(data) except Exception, e: logging.error(str(e)) self.on_quit() continue def on_join(self):

client, addr = self.proxy.accept() logging.info("proxy client" + str(addr) + 'connect') forward = socket.socket(socket.AF_INET, socket .SOCK_STREAM) try:

forward.connect(to_addr) except Exception, e: logging.error(str(e)) client.close() return self.inputs [client] = None self.inputs [forward] =

None self.route [client] = forward self.route[forward] = client #删除连接 def on_quit(self): ls = [self.sock] if self.sock in self.route: ls.append(self.route[self.sock] )

for s in ls: if s in self.inputs: del self.inputs[s] if s in self.route:del self.route[s] s.close() if __name__ == "__main__": try: Proxy(('', 8192)).serve_forever()  KeyboardInterrupt, e: logging.error("KeyboardInterrupt" + str( e))