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100 lines
3.4 KiB
100 lines
3.4 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 time
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import os
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import socket
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import struct
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import re
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import logging
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from shadowsocks import common
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from shadowsocks import lru_cache
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from shadowsocks import eventloop
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import server_pool
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import Config
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class ServerMgr(object):
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def __init__(self):
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self._loop = None
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self._request_id = 1
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self._hosts = {}
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self._hostname_status = {}
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self._hostname_to_cb = {}
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self._cb_to_hostname = {}
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self._last_time = time.time()
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self._sock = None
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self._servers = None
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def add_to_loop(self, loop):
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if self._loop:
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raise Exception('already add to loop')
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self._loop = loop
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# TODO when dns server is IPv6
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self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
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socket.SOL_UDP)
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self._sock.bind((Config.MANAGE_BIND_IP, Config.MANAGE_PORT))
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self._sock.setblocking(False)
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loop.add(self._sock, eventloop.POLL_IN)
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loop.add_handler(self.handle_events)
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def _handle_data(self, sock):
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data, addr = sock.recvfrom(128)
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#manage pwd:port:passwd:action
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args = data.split(':')
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if len(args) < 4:
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return
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if args[0] == Config.MANAGE_PASS:
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if args[3] == '0':
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server_pool.ServerPool.get_instance().cb_del_server(args[1])
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elif args[3] == '1':
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server_pool.ServerPool.get_instance().new_server(args[1], args[2])
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def handle_events(self, events):
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for sock, fd, event in events:
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if sock != self._sock:
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continue
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if event & eventloop.POLL_ERR:
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logging.error('mgr socket err')
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self._loop.remove(self._sock)
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self._sock.close()
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# TODO when dns server is IPv6
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self._sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
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socket.SOL_UDP)
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self._sock.setblocking(False)
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self._loop.add(self._sock, eventloop.POLL_IN)
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else:
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self._handle_data(sock)
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break
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def close(self):
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if self._sock:
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self._sock.close()
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self._sock = None
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def test():
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pass
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if __name__ == '__main__':
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test()
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