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 sys
import os
import logging
import utils
import encrypt
import eventloop
import tcprelay
import udprelay
def main():
utils.check_python()
config = utils.get_config(False)
utils.print_shadowsocks()
if config['port_password']:
if config['server_port'] or config['password']:
logging.warn('warning: port_password should not be used with '
'server_port and password. server_port and password '
'will be ignored')
else:
config['port_password'] = {}
config['port_password'][str(config['server_port'])] = config['password']
encrypt.init_table(config['password'], config['method'])
tcp_servers = []
udp_servers = []
for port, password in config['port_password'].items():
a_config = config.copy()
a_config['server_port'] = int(port)
a_config['password'] = password
logging.info("starting server at %s:%d" %
(a_config['server'], int(port)))
tcp_servers.append(tcprelay.TCPRelay(a_config, False))
udp_servers.append(udprelay.UDPRelay(a_config, False))
def run_server():
try:
loop = eventloop.EventLoop()
for tcp_server in tcp_servers:
tcp_server.add_to_loop(loop)
for udp_server in udp_servers:
udp_server.add_to_loop(loop)
loop.run()
except (KeyboardInterrupt, IOError, OSError) as e:
logging.error(e)
os._exit(0)
if int(config['workers']) > 1:
if os.name == 'posix':
children = []
is_child = False
for i in xrange(0, int(config['workers'])):
r = os.fork()
if r == 0:
logging.info('worker started')
is_child = True
run_server()
break
else:
children.append(r)
if not is_child:
def handler(signum, _):
for pid in children:
os.kill(pid, signum)
os.waitpid(pid, 0)
sys.exit()
import signal
signal.signal(signal.SIGTERM, handler)
# master
for a_tcp_server in tcp_servers:
a_tcp_server.close()
for a_udp_server in udp_servers:
a_udp_server.close()
for child in children:
os.waitpid(child, 0)
else:
logging.warn('worker is only available on Unix/Linux')
run_server()
else:
run_server()
if __name__ == '__main__':
main()