Python port of ShadowsocksR
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2014 clowwindy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
import logging
import time
from shadowsocks import shell
from shadowsocks import eventloop
from shadowsocks import tcprelay
from shadowsocks import udprelay
from shadowsocks import asyncdns
import threading
import sys
import asyncmgr
import Config
from socket import *
class MainThread(threading.Thread):
def __init__(self, params):
threading.Thread.__init__(self)
self.params = params
def run(self):
ServerPool._loop(*self.params)
class ServerPool(object):
instance = None
def __init__(self):
shell.check_python()
self.config = shell.get_config(False)
shell.print_shadowsocks()
self.dns_resolver = asyncdns.DNSResolver()
if not self.config.get('dns_ipv6', False):
asyncdns.IPV6_CONNECTION_SUPPORT = False
self.mgr = asyncmgr.ServerMgr()
self.tcp_servers_pool = {}
self.tcp_ipv6_servers_pool = {}
self.udp_servers_pool = {}
self.udp_ipv6_servers_pool = {}
self.loop = eventloop.EventLoop()
thread = MainThread( (self.loop, self.dns_resolver, self.mgr) )
thread.start()
@staticmethod
def get_instance():
if ServerPool.instance is None:
ServerPool.instance = ServerPool()
return ServerPool.instance
@staticmethod
def _loop(loop, dns_resolver, mgr):
try:
mgr.add_to_loop(loop)
dns_resolver.add_to_loop(loop)
loop.run()
except (KeyboardInterrupt, IOError, OSError) as e:
logging.error(e)
import traceback
traceback.print_exc()
os.exit(0)
def server_is_run(self, port):
port = int(port)
ret = 0
if port in self.tcp_servers_pool:
ret = 1
if port in self.tcp_ipv6_servers_pool:
ret |= 2
return ret
def server_run_status(self, port):
if 'server' in self.config:
if port not in self.tcp_servers_pool:
return False
if 'server_ipv6' in self.config:
if port not in self.tcp_ipv6_servers_pool:
return False
return True
def new_server(self, port, password):
ret = True
port = int(port)
ipv6_ok = False
if 'server_ipv6' in self.config:
if port in self.tcp_ipv6_servers_pool:
logging.info("server already at %s:%d" % (self.config['server_ipv6'], port))
return 'this port server is already running'
else:
a_config = self.config.copy()
if len(a_config['server_ipv6']) > 2 and a_config['server_ipv6'][0] == "[" and a_config['server_ipv6'][-1] == "]":
a_config['server_ipv6'] = a_config['server_ipv6'][1:-1]
a_config['server'] = a_config['server_ipv6']
a_config['server_port'] = port
a_config['password'] = password
try:
logging.info("starting server at [%s]:%d" % (a_config['server'], port))
tcp_server = tcprelay.TCPRelay(a_config, self.dns_resolver, False)
tcp_server.add_to_loop(self.loop)
self.tcp_ipv6_servers_pool.update({port: tcp_server})
udp_server = udprelay.UDPRelay(a_config, self.dns_resolver, False)
udp_server.add_to_loop(self.loop)
self.udp_ipv6_servers_pool.update({port: udp_server})
if a_config['server_ipv6'] == "::":
ipv6_ok = True
except Exception as e:
logging.warn("IPV6 %s " % (e,))
if 'server' in self.config:
if port in self.tcp_servers_pool:
logging.info("server already at %s:%d" % (self.config['server'], port))
return 'this port server is already running'
else:
a_config = self.config.copy()
a_config['server_port'] = port
a_config['password'] = password
try:
logging.info("starting server at %s:%d" % (a_config['server'], port))
tcp_server = tcprelay.TCPRelay(a_config, self.dns_resolver, False)
tcp_server.add_to_loop(self.loop)
self.tcp_servers_pool.update({port: tcp_server})
udp_server = udprelay.UDPRelay(a_config, self.dns_resolver, False)
udp_server.add_to_loop(self.loop)
self.udp_servers_pool.update({port: udp_server})
except Exception as e:
if not ipv6_ok:
logging.warn("IPV4 %s " % (e,))
return True
def del_server(self, port):
port = int(port)
logging.info("del server at %d" % port)
try:
udpsock = socket(AF_INET, SOCK_DGRAM)
udpsock.sendto('%s:%s:0:0' % (Config.MANAGE_PASS, port), (Config.MANAGE_BIND_IP, Config.MANAGE_PORT))
udpsock.close()
except Exception as e:
logging.warn(e)
return True
def cb_del_server(self, port):
port = int(port)
if port not in self.tcp_servers_pool:
logging.info("stopped server at %s:%d already stop" % (self.config['server'], port))
else:
logging.info("stopped server at %s:%d" % (self.config['server'], port))
try:
self.tcp_servers_pool[port].close(False)
del self.tcp_servers_pool[port]
except Exception as e:
logging.warn(e)
try:
self.udp_servers_pool[port].close(False)
del self.udp_servers_pool[port]
except Exception as e:
logging.warn(e)
if 'server_ipv6' in self.config:
if port not in self.tcp_ipv6_servers_pool:
logging.info("stopped server at [%s]:%d already stop" % (self.config['server_ipv6'], port))
else:
logging.info("stopped server at [%s]:%d" % (self.config['server_ipv6'], port))
try:
self.tcp_ipv6_servers_pool[port].close(False)
del self.tcp_ipv6_servers_pool[port]
except Exception as e:
logging.warn(e)
try:
self.udp_ipv6_servers_pool[port].close(False)
del self.udp_ipv6_servers_pool[port]
except Exception as e:
logging.warn(e)
return True
def get_server_transfer(self, port):
port = int(port)
ret = [0, 0]
if port in self.tcp_servers_pool:
ret[0] = self.tcp_servers_pool[port].server_transfer_ul
ret[1] = self.tcp_servers_pool[port].server_transfer_dl
if port in self.tcp_ipv6_servers_pool:
ret[0] += self.tcp_ipv6_servers_pool[port].server_transfer_ul
ret[1] += self.tcp_ipv6_servers_pool[port].server_transfer_dl
return ret
def get_servers_transfer(self):
servers = self.tcp_servers_pool.copy()
servers.update(self.tcp_ipv6_servers_pool)
ret = {}
for port in servers.keys():
ret[port] = self.get_server_transfer(port)
return ret