import socket import time from advanceddispatcher import AdvancedDispatcher import asyncore_pollchoose as asyncore from debug import logger import network.connectionpool import state class ProxyError(Exception): errorCodes = ("UnknownError") def __init__(self, code=-1): self.code = code try: self.message = self.__class__.errorCodes[self.code] except IndexError: self.message = self.__class__.errorCodes[-1] super(ProxyError, self).__init__(self.message) class GeneralProxyError(ProxyError): errorCodes = ("Success", "Invalid data", "Not connected", "Not available", "Bad proxy type", "Bad input", "Timed out", "Network unreachable", "Connection refused", "Host unreachable") class Proxy(AdvancedDispatcher): # these are global, and if you change config during runtime, all active/new # instances should change too _proxy = ("127.0.0.1", 9050) _auth = None _remote_dns = True @property def proxy(self): return self.__class__._proxy @proxy.setter def proxy(self, address): if not isinstance(address, tuple) or (len(address) < 2) or \ (not isinstance(address[0], str) or not isinstance(address[1], int)): raise ValueError self.__class__._proxy = address @property def auth(self): return self.__class__._auth @auth.setter def auth(self, authTuple): self.__class__._auth = authTuple def __init__(self, address): if not isinstance(address, state.Peer): raise ValueError AdvancedDispatcher.__init__(self) self.destination = address self.isOutbound = True self.fullyEstablished = False self.create_socket(socket.AF_INET, socket.SOCK_STREAM) self.connect(self.proxy) def handle_connect(self): self.set_state("init") try: AdvancedDispatcher.handle_connect(self) except socket.error as e: if e.errno in asyncore._DISCONNECTED: logger.debug("%s:%i: Connection failed: %s", self.destination.host, self.destination.port, str(e)) return self.state_init() def state_proxy_handshake_done(self): self.connectedAt = time.time() return False