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293 lines
9.1 KiB
293 lines
9.1 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2014 clowwindy
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import os
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import logging
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import struct
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import time
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from shadowsocks import shell, eventloop, tcprelay, udprelay, asyncdns, common
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import threading
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import sys
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import traceback
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from socket import *
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from configloader import load_config, get_config
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class MainThread(threading.Thread):
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def __init__(self, params):
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super(MainThread, self).__init__()
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self.params = params
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def run(self):
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ServerPool._loop(*self.params)
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class ServerPool(object):
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instance = None
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def __init__(self):
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shell.check_python()
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self.config = shell.get_config(False)
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self.dns_resolver = asyncdns.DNSResolver()
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if not self.config.get('dns_ipv6', False):
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asyncdns.IPV6_CONNECTION_SUPPORT = False
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self.mgr = None #asyncmgr.ServerMgr()
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self.tcp_servers_pool = {}
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self.tcp_ipv6_servers_pool = {}
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self.udp_servers_pool = {}
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self.udp_ipv6_servers_pool = {}
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self.stat_counter = {}
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self.loop = eventloop.EventLoop()
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self.thread = MainThread( (self.loop, self.dns_resolver, self.mgr) )
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self.thread.start()
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@staticmethod
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def get_instance():
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if ServerPool.instance is None:
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ServerPool.instance = ServerPool()
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return ServerPool.instance
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def stop(self):
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self.loop.stop()
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@staticmethod
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def _loop(loop, dns_resolver, mgr):
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try:
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if mgr is not None:
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mgr.add_to_loop(loop)
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dns_resolver.add_to_loop(loop)
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loop.run()
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except (KeyboardInterrupt, IOError, OSError) as e:
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logging.error(e)
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traceback.print_exc()
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os.exit(0)
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except Exception as e:
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logging.error(e)
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traceback.print_exc()
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def server_is_run(self, port):
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port = int(port)
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ret = 0
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if port in self.tcp_servers_pool:
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ret = 1
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if port in self.tcp_ipv6_servers_pool:
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ret |= 2
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return ret
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def server_run_status(self, port):
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if 'server' in self.config:
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if port not in self.tcp_servers_pool:
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return False
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if 'server_ipv6' in self.config:
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if port not in self.tcp_ipv6_servers_pool:
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return False
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return True
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def new_server(self, port, user_config):
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ret = True
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port = int(port)
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ipv6_ok = False
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if 'server_ipv6' in self.config:
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if port in self.tcp_ipv6_servers_pool:
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logging.info("server already at %s:%d" % (self.config['server_ipv6'], port))
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return 'this port server is already running'
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else:
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a_config = self.config.copy()
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a_config.update(user_config)
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if len(a_config['server_ipv6']) > 2 and a_config['server_ipv6'][0] == b"[" and a_config['server_ipv6'][-1] == b"]":
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a_config['server_ipv6'] = a_config['server_ipv6'][1:-1]
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a_config['server'] = common.to_str(a_config['server_ipv6'])
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a_config['server_port'] = port
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a_config['max_connect'] = 128
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a_config['method'] = common.to_str(a_config['method'])
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try:
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logging.info("starting server at [%s]:%d" % (a_config['server'], port))
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tcp_server = tcprelay.TCPRelay(a_config, self.dns_resolver, False, stat_counter=self.stat_counter)
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tcp_server.add_to_loop(self.loop)
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self.tcp_ipv6_servers_pool.update({port: tcp_server})
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udp_server = udprelay.UDPRelay(a_config, self.dns_resolver, False, stat_counter=self.stat_counter)
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udp_server.add_to_loop(self.loop)
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self.udp_ipv6_servers_pool.update({port: udp_server})
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if a_config['server_ipv6'] == "::":
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ipv6_ok = True
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except Exception as e:
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logging.warn("IPV6 %s " % (e,))
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if 'server' in self.config:
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if port in self.tcp_servers_pool:
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logging.info("server already at %s:%d" % (common.to_str(self.config['server']), port))
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return 'this port server is already running'
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else:
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a_config = self.config.copy()
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a_config.update(user_config)
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a_config['server_port'] = port
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a_config['max_connect'] = 128
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a_config['method'] = common.to_str(a_config['method'])
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try:
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logging.info("starting server at %s:%d" % (a_config['server'], port))
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tcp_server = tcprelay.TCPRelay(a_config, self.dns_resolver, False)
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tcp_server.add_to_loop(self.loop)
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self.tcp_servers_pool.update({port: tcp_server})
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udp_server = udprelay.UDPRelay(a_config, self.dns_resolver, False)
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udp_server.add_to_loop(self.loop)
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self.udp_servers_pool.update({port: udp_server})
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except Exception as e:
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if not ipv6_ok:
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logging.warn("IPV4 %s " % (e,))
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return True
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def del_server(self, port):
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port = int(port)
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logging.info("del server at %d" % port)
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try:
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udpsock = socket(AF_INET, SOCK_DGRAM)
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udpsock.sendto('%s:%s:0:0' % (get_config().MANAGE_PASS, port), (get_config().MANAGE_BIND_IP, get_config().MANAGE_PORT))
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udpsock.close()
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except Exception as e:
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logging.warn(e)
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return True
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def cb_del_server(self, port):
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port = int(port)
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if port not in self.tcp_servers_pool:
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logging.info("stopped server at %s:%d already stop" % (self.config['server'], port))
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else:
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logging.info("stopped server at %s:%d" % (self.config['server'], port))
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try:
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self.tcp_servers_pool[port].close(True)
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del self.tcp_servers_pool[port]
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except Exception as e:
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logging.warn(e)
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try:
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self.udp_servers_pool[port].close(True)
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del self.udp_servers_pool[port]
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except Exception as e:
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logging.warn(e)
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if 'server_ipv6' in self.config:
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if port not in self.tcp_ipv6_servers_pool:
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logging.info("stopped server at [%s]:%d already stop" % (self.config['server_ipv6'], port))
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else:
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logging.info("stopped server at [%s]:%d" % (self.config['server_ipv6'], port))
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try:
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self.tcp_ipv6_servers_pool[port].close(True)
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del self.tcp_ipv6_servers_pool[port]
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except Exception as e:
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logging.warn(e)
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try:
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self.udp_ipv6_servers_pool[port].close(True)
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del self.udp_ipv6_servers_pool[port]
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except Exception as e:
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logging.warn(e)
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return True
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def update_mu_users(self, port, users):
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port = int(port)
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if port in self.tcp_servers_pool:
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try:
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self.tcp_servers_pool[port].update_users(users)
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except Exception as e:
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logging.warn(e)
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try:
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self.udp_servers_pool[port].update_users(users)
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except Exception as e:
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logging.warn(e)
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if port in self.tcp_ipv6_servers_pool:
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try:
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self.tcp_ipv6_servers_pool[port].update_users(users)
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except Exception as e:
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logging.warn(e)
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try:
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self.udp_ipv6_servers_pool[port].update_users(users)
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except Exception as e:
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logging.warn(e)
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def get_server_transfer(self, port):
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port = int(port)
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uid = struct.pack('<I', port)
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ret = [0, 0]
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if port in self.tcp_servers_pool:
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ret[0], ret[1] = self.tcp_servers_pool[port].get_ud()
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if port in self.udp_servers_pool:
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u, d = self.udp_servers_pool[port].get_ud()
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ret[0] += u
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ret[1] += d
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if port in self.tcp_ipv6_servers_pool:
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u, d = self.tcp_ipv6_servers_pool[port].get_ud()
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ret[0] += u
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ret[1] += d
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if port in self.udp_ipv6_servers_pool:
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u, d = self.udp_ipv6_servers_pool[port].get_ud()
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ret[0] += u
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ret[1] += d
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return ret
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def get_server_mu_transfer(self, server):
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return server.get_users_ud()
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def update_mu_transfer(self, user_dict, u, d):
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for uid in u:
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port = struct.unpack('<I', uid)[0]
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if port not in user_dict:
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user_dict[port] = [0, 0]
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user_dict[port][0] += u[uid]
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for uid in d:
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port = struct.unpack('<I', uid)[0]
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if port not in user_dict:
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user_dict[port] = [0, 0]
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user_dict[port][1] += d[uid]
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def get_servers_transfer(self):
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servers = self.tcp_servers_pool.copy()
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servers.update(self.tcp_ipv6_servers_pool)
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servers.update(self.udp_servers_pool)
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servers.update(self.udp_ipv6_servers_pool)
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ret = {}
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for port in servers.keys():
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ret[port] = self.get_server_transfer(port)
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for port in self.tcp_servers_pool:
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u, d = self.get_server_mu_transfer(self.tcp_servers_pool[port])
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self.update_mu_transfer(ret, u, d)
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for port in self.tcp_ipv6_servers_pool:
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u, d = self.get_server_mu_transfer(self.tcp_ipv6_servers_pool[port])
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self.update_mu_transfer(ret, u, d)
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for port in self.udp_servers_pool:
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u, d = self.get_server_mu_transfer(self.udp_servers_pool[port])
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self.update_mu_transfer(ret, u, d)
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for port in self.udp_ipv6_servers_pool:
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u, d = self.get_server_mu_transfer(self.udp_ipv6_servers_pool[port])
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self.update_mu_transfer(ret, u, d)
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return ret
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