import shared import socket import defaultKnownNodes import pickle import time from debug import logger def knownNodes(): try: # We shouldn't have to use the shared.knownNodesLock because this had # better be the only thread accessing knownNodes right now. pickleFile = open(shared.appdata + 'knownnodes.dat', 'rb') loadedKnownNodes = pickle.load(pickleFile) pickleFile.close() # The old format of storing knownNodes was as a 'host: (port, time)' # mapping. The new format is as 'Peer: time' pairs. If we loaded # data in the old format, transform it to the new style. for stream, nodes in loadedKnownNodes.items(): shared.knownNodes[stream] = {} for node_tuple in nodes.items(): try: host, (port, time) = node_tuple peer = shared.Peer(host, port) except: peer, time = node_tuple shared.knownNodes[stream][peer] = time except: shared.knownNodes = defaultKnownNodes.createDefaultKnownNodes(shared.appdata) if shared.config.getint('bitmessagesettings', 'settingsversion') > 10: logger.error('Bitmessage cannot read future versions of the keys file (keys.dat). Run the newer version of Bitmessage.') raise SystemExit def dns(): # DNS bootstrap. This could be programmed to use the SOCKS proxy to do the # DNS lookup some day but for now we will just rely on the entries in # defaultKnownNodes.py. Hopefully either they are up to date or the user # has run Bitmessage recently without SOCKS turned on and received good # bootstrap nodes using that method. with shared.printLock: if shared.config.get('bitmessagesettings', 'socksproxytype') == 'none': try: for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80): logger.info('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method') shared.knownNodes[1][shared.Peer(item[4][0], 8080)] = int(time.time()) except: logger.error('bootstrap8080.bitmessage.org DNS bootstrapping failed.') try: for item in socket.getaddrinfo('bootstrap8444.bitmessage.org', 80): logger.info ('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method') shared.knownNodes[1][shared.Peer(item[4][0], 8444)] = int(time.time()) except: logger.error('bootstrap8444.bitmessage.org DNS bootstrapping failed.') else: logger.info('DNS bootstrap skipped because SOCKS is used.')