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215 lines
8.0 KiB
215 lines
8.0 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright 2015 clowwindy
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import, division, print_function, \
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with_statement
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import sys
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import os
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import logging
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import signal
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if __name__ == '__main__':
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import inspect
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file_path = os.path.dirname(os.path.realpath(inspect.getfile(inspect.currentframe())))
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sys.path.insert(0, os.path.join(file_path, '../'))
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from shadowsocks import shell, daemon, eventloop, tcprelay, udprelay, \
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asyncdns, manager
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def main():
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shell.check_python()
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config = shell.get_config(False)
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shell.log_shadowsocks_version()
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daemon.daemon_exec(config)
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try:
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import resource
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logging.info('current process RLIMIT_NOFILE resource: soft %d hard %d' % resource.getrlimit(resource.RLIMIT_NOFILE))
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except ImportError:
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pass
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if config['port_password']:
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pass
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else:
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config['port_password'] = {}
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server_port = config['server_port']
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if type(server_port) == list:
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for a_server_port in server_port:
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config['port_password'][a_server_port] = config['password']
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else:
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config['port_password'][str(server_port)] = config['password']
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if not config.get('dns_ipv6', False):
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asyncdns.IPV6_CONNECTION_SUPPORT = False
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if config.get('manager_address', 0):
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logging.info('entering manager mode')
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manager.run(config)
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return
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tcp_servers = []
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udp_servers = []
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dns_resolver = asyncdns.DNSResolver()
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if int(config['workers']) > 1:
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stat_counter_dict = None
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else:
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stat_counter_dict = {}
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port_password = config['port_password']
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config_password = config.get('password', 'm')
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del config['port_password']
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for port, password_obfs in port_password.items():
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method = config["method"]
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protocol = config.get("protocol", 'origin')
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protocol_param = config.get("protocol_param", '')
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obfs = config.get("obfs", 'plain')
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obfs_param = config.get("obfs_param", '')
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bind = config.get("out_bind", '')
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bindv6 = config.get("out_bindv6", '')
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if type(password_obfs) == list:
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password = password_obfs[0]
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obfs = password_obfs[1]
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if len(password_obfs) > 2:
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protocol = password_obfs[2]
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elif type(password_obfs) == dict:
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password = password_obfs.get('password', config_password)
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method = password_obfs.get('method', method)
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protocol = password_obfs.get('protocol', protocol)
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protocol_param = password_obfs.get('protocol_param', protocol_param)
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obfs = password_obfs.get('obfs', obfs)
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obfs_param = password_obfs.get('obfs_param', obfs_param)
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bind = password_obfs.get('out_bind', bind)
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bindv6 = password_obfs.get('out_bindv6', bindv6)
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else:
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password = password_obfs
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a_config = config.copy()
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ipv6_ok = False
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logging.info("server start with protocol[%s] password [%s] method [%s] obfs [%s] obfs_param [%s]" %
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(protocol, password, method, obfs, obfs_param))
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if 'server_ipv6' in a_config:
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try:
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if len(a_config['server_ipv6']) > 2 and a_config['server_ipv6'][0] == "[" and a_config['server_ipv6'][-1] == "]":
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a_config['server_ipv6'] = a_config['server_ipv6'][1:-1]
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a_config['server_port'] = int(port)
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a_config['password'] = password
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a_config['method'] = method
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a_config['protocol'] = protocol
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a_config['protocol_param'] = protocol_param
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a_config['obfs'] = obfs
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a_config['obfs_param'] = obfs_param
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a_config['out_bind'] = bind
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a_config['out_bindv6'] = bindv6
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a_config['server'] = a_config['server_ipv6']
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logging.info("starting server at [%s]:%d" %
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(a_config['server'], int(port)))
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tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False, stat_counter=stat_counter_dict))
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udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False, stat_counter=stat_counter_dict))
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if a_config['server_ipv6'] == b"::":
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ipv6_ok = True
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except Exception as e:
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shell.print_exception(e)
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try:
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a_config = config.copy()
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a_config['server_port'] = int(port)
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a_config['password'] = password
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a_config['method'] = method
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a_config['protocol'] = protocol
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a_config['protocol_param'] = protocol_param
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a_config['obfs'] = obfs
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a_config['obfs_param'] = obfs_param
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a_config['out_bind'] = bind
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a_config['out_bindv6'] = bindv6
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logging.info("starting server at %s:%d" %
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(a_config['server'], int(port)))
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tcp_servers.append(tcprelay.TCPRelay(a_config, dns_resolver, False, stat_counter=stat_counter_dict))
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udp_servers.append(udprelay.UDPRelay(a_config, dns_resolver, False, stat_counter=stat_counter_dict))
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except Exception as e:
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if not ipv6_ok:
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shell.print_exception(e)
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def run_server():
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def child_handler(signum, _):
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logging.warn('received SIGQUIT, doing graceful shutting down..')
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list(map(lambda s: s.close(next_tick=True),
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tcp_servers + udp_servers))
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signal.signal(getattr(signal, 'SIGQUIT', signal.SIGTERM),
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child_handler)
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def int_handler(signum, _):
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sys.exit(1)
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signal.signal(signal.SIGINT, int_handler)
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try:
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loop = eventloop.EventLoop()
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dns_resolver.add_to_loop(loop)
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list(map(lambda s: s.add_to_loop(loop), tcp_servers + udp_servers))
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daemon.set_user(config.get('user', None))
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loop.run()
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except Exception as e:
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shell.print_exception(e)
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sys.exit(1)
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if int(config['workers']) > 1:
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if os.name == 'posix':
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children = []
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is_child = False
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for i in range(0, int(config['workers'])):
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r = os.fork()
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if r == 0:
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logging.info('worker started')
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is_child = True
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run_server()
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break
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else:
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children.append(r)
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if not is_child:
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def handler(signum, _):
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for pid in children:
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try:
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os.kill(pid, signum)
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os.waitpid(pid, 0)
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except OSError: # child may already exited
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pass
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sys.exit()
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signal.signal(signal.SIGTERM, handler)
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signal.signal(signal.SIGQUIT, handler)
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signal.signal(signal.SIGINT, handler)
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# master
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for a_tcp_server in tcp_servers:
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a_tcp_server.close()
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for a_udp_server in udp_servers:
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a_udp_server.close()
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dns_resolver.close()
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for child in children:
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os.waitpid(child, 0)
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else:
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logging.warn('worker is only available on Unix/Linux')
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run_server()
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else:
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run_server()
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if __name__ == '__main__':
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main()
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