class TriblerLaunchMany(TaskManager): def __init__(self): """ Called only once (unless we have multiple Sessions) by MainThread """ super(TriblerLaunchMany, self).__init__() self.initComplete = False self.registered = False self.dispersy = None self.ipv8 = None self.state_cb_count = 0 self.previous_active_downloads = [] self.download_states_lc = None self.get_peer_list = [] self._logger = logging.getLogger(self.__class__.__name__) self.downloads = {} self.upnp_ports = [] self.session = None self.session_lock = None self.sessdoneflag = Event() self.shutdownstarttime = None # modules self.torrent_store = None self.metadata_store = None self.rtorrent_handler = None self.tftp_handler = None self.api_manager = None self.watch_folder = None self.version_check_manager = None self.resource_monitor = None self.category = None self.peer_db = None self.torrent_db = None self.mypref_db = None self.votecast_db = None self.channelcast_db = None self.search_manager = None self.channel_manager = None self.video_server = None self.mainline_dht = None self.ltmgr = None self.tracker_manager = None self.torrent_checker = None self.tunnel_community = None self.trustchain_community = None self.wallets = {} self.popularity_community = None self.startup_deferred = Deferred() self.credit_mining_manager = None self.market_community = None def register(self, session, session_lock): assert isInIOThread() if not self.registered: self.registered = True self.session = session self.session_lock = session_lock # On Mac, we bundle the root certificate for the SSL validation since Twisted is not using the root # certificates provided by the system trust store. if sys.platform == 'darwin': os.environ['SSL_CERT_FILE'] = os.path.join( get_lib_path(), 'root_certs_mac.pem') if self.session.config.get_torrent_store_enabled(): from Tribler.Core.leveldbstore import LevelDbStore self.torrent_store = LevelDbStore( self.session.config.get_torrent_store_dir()) if not self.torrent_store.get_db(): raise RuntimeError( "Torrent store (leveldb) is None which should not normally happen" ) if self.session.config.get_metadata_enabled(): from Tribler.Core.leveldbstore import LevelDbStore self.metadata_store = LevelDbStore( self.session.config.get_metadata_store_dir()) if not self.metadata_store.get_db(): raise RuntimeError( "Metadata store (leveldb) is None which should not normally happen" ) # torrent collecting: RemoteTorrentHandler if self.session.config.get_torrent_collecting_enabled(): from Tribler.Core.RemoteTorrentHandler import RemoteTorrentHandler self.rtorrent_handler = RemoteTorrentHandler(self.session) # TODO(emilon): move this to a megacache component or smth if self.session.config.get_megacache_enabled(): from Tribler.Core.CacheDB.SqliteCacheDBHandler import ( PeerDBHandler, TorrentDBHandler, MyPreferenceDBHandler, VoteCastDBHandler, ChannelCastDBHandler) from Tribler.Core.Category.Category import Category self._logger.debug('tlm: Reading Session state from %s', self.session.config.get_state_dir()) self.category = Category() # create DBHandlers self.peer_db = PeerDBHandler(self.session) self.torrent_db = TorrentDBHandler(self.session) self.mypref_db = MyPreferenceDBHandler(self.session) self.votecast_db = VoteCastDBHandler(self.session) self.channelcast_db = ChannelCastDBHandler(self.session) # initializes DBHandlers self.peer_db.initialize() self.torrent_db.initialize() self.mypref_db.initialize() self.votecast_db.initialize() self.channelcast_db.initialize() from Tribler.Core.Modules.tracker_manager import TrackerManager self.tracker_manager = TrackerManager(self.session) if self.session.config.get_video_server_enabled(): self.video_server = VideoServer( self.session.config.get_video_server_port(), self.session) self.video_server.start() # IPv8 if self.session.config.get_ipv8_enabled(): from Tribler.pyipv8.ipv8.configuration import get_default_configuration ipv8_config = get_default_configuration() ipv8_config['port'] = self.session.config.get_dispersy_port() ipv8_config['address'] = self.session.config.get_ipv8_address() ipv8_config['overlays'] = [] ipv8_config['keys'] = [] # We load the keys ourselves if self.session.config.get_ipv8_bootstrap_override(): import Tribler.pyipv8.ipv8.deprecated.community as community_file community_file._DEFAULT_ADDRESSES = [ self.session.config.get_ipv8_bootstrap_override() ] community_file._DNS_ADDRESSES = [] self.ipv8 = IPv8(ipv8_config) self.session.config.set_anon_proxy_settings( 2, ("127.0.0.1", self.session.config. get_tunnel_community_socks5_listen_ports())) # Dispersy self.tftp_handler = None if self.session.config.get_dispersy_enabled(): from Tribler.dispersy.dispersy import Dispersy from Tribler.dispersy.endpoint import MIMEndpoint from Tribler.dispersy.endpoint import IPv8toDispersyAdapter # set communication endpoint if self.session.config.get_ipv8_enabled(): dispersy_endpoint = IPv8toDispersyAdapter( self.ipv8.endpoint) else: dispersy_endpoint = MIMEndpoint( self.session.config.get_dispersy_port()) working_directory = unicode( self.session.config.get_state_dir()) self.dispersy = Dispersy(dispersy_endpoint, working_directory) self.dispersy.statistics.enable_debug_statistics(False) # register TFTP service from Tribler.Core.TFTP.handler import TftpHandler self.tftp_handler = TftpHandler(self.session, dispersy_endpoint, "fffffffd".decode('hex'), block_size=1024) self.tftp_handler.initialize() # Torrent search if self.session.config.get_torrent_search_enabled( ) or self.session.config.get_channel_search_enabled(): self.search_manager = SearchManager(self.session) self.search_manager.initialize() if not self.initComplete: self.init() self.session.add_observer(self.on_tribler_started, NTFY_TRIBLER, [NTFY_STARTED]) self.session.notifier.notify(NTFY_TRIBLER, NTFY_STARTED, None) return self.startup_deferred def on_tribler_started(self, subject, changetype, objectID, *args): reactor.callFromThread(self.startup_deferred.callback, None) @blocking_call_on_reactor_thread def load_ipv8_overlays(self): # Discovery Community with open(self.session.config.get_permid_keypair_filename(), 'r') as key_file: content = key_file.read() content = content[31:-30].replace('\n', '').decode("BASE64") peer = Peer(M2CryptoSK(keystring=content)) discovery_community = DiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) discovery_community.resolve_dns_bootstrap_addresses() self.ipv8.overlays.append(discovery_community) self.ipv8.strategies.append((RandomChurn(discovery_community), -1)) if not self.session.config.get_dispersy_enabled(): self.ipv8.strategies.append((RandomWalk(discovery_community), 20)) if self.session.config.get_testnet(): peer = Peer(self.session.trustchain_keypair) else: peer = Peer(self.session.trustchain_testnet_keypair) # TrustChain Community if self.session.config.get_trustchain_enabled(): from Tribler.pyipv8.ipv8.attestation.trustchain.community import TrustChainCommunity, \ TrustChainTestnetCommunity community_cls = TrustChainTestnetCommunity if self.session.config.get_testnet( ) else TrustChainCommunity self.trustchain_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.trustchain_community) self.ipv8.strategies.append( (EdgeWalk(self.trustchain_community), 20)) tc_wallet = TrustchainWallet(self.trustchain_community) self.wallets[tc_wallet.get_identifier()] = tc_wallet # Tunnel Community if self.session.config.get_tunnel_community_enabled(): from Tribler.community.triblertunnel.community import TriblerTunnelCommunity, TriblerTunnelTestnetCommunity community_cls = TriblerTunnelTestnetCommunity if self.session.config.get_testnet() else \ TriblerTunnelCommunity self.tunnel_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, dht_provider=MainlineDHTProvider( self.mainline_dht, self.session.config.get_dispersy_port()), bandwidth_wallet=self.wallets["MB"]) self.ipv8.overlays.append(self.tunnel_community) self.ipv8.strategies.append( (RandomWalk(self.tunnel_community), 20)) # Market Community if self.session.config.get_market_community_enabled(): from Tribler.community.market.community import MarketCommunity, MarketTestnetCommunity community_cls = MarketTestnetCommunity if self.session.config.get_testnet( ) else MarketCommunity self.market_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, trustchain=self.trustchain_community, wallets=self.wallets, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.market_community) self.ipv8.strategies.append( (RandomWalk(self.market_community), 20)) # Popular Community if self.session.config.get_popularity_community_enabled(): from Tribler.community.popularity.community import PopularityCommunity self.popularity_community = PopularityCommunity( peer, self.ipv8.endpoint, self.ipv8.network, torrent_db=self.session.lm.torrent_db, session=self.session) self.ipv8.overlays.append(self.popularity_community) self.ipv8.strategies.append( (RandomWalk(self.popularity_community), 20)) self.popularity_community.start() @blocking_call_on_reactor_thread def load_dispersy_communities(self): self._logger.info("tribler: Preparing Dispersy communities...") now_time = timemod.time() default_kwargs = {'tribler_session': self.session} # Search Community if self.session.config.get_torrent_search_enabled() and self.dispersy: from Tribler.community.search.community import SearchCommunity self.dispersy.define_auto_load(SearchCommunity, self.session.dispersy_member, load=True, kargs=default_kwargs) # AllChannel Community if self.session.config.get_channel_search_enabled() and self.dispersy: from Tribler.community.allchannel.community import AllChannelCommunity self.dispersy.define_auto_load(AllChannelCommunity, self.session.dispersy_member, load=True, kargs=default_kwargs) # Channel Community if self.session.config.get_channel_community_enabled( ) and self.dispersy: from Tribler.community.channel.community import ChannelCommunity self.dispersy.define_auto_load(ChannelCommunity, self.session.dispersy_member, load=True, kargs=default_kwargs) # PreviewChannel Community if self.session.config.get_preview_channel_community_enabled( ) and self.dispersy: from Tribler.community.channel.preview import PreviewChannelCommunity self.dispersy.define_auto_load(PreviewChannelCommunity, self.session.dispersy_member, kargs=default_kwargs) self._logger.info("tribler: communities are ready in %.2f seconds", timemod.time() - now_time) def init(self): if self.dispersy: from Tribler.dispersy.community import HardKilledCommunity self._logger.info("lmc: Starting Dispersy...") self.session.readable_status = STATE_STARTING_DISPERSY now = timemod.time() success = self.dispersy.start(self.session.autoload_discovery) diff = timemod.time() - now if success: self._logger.info( "lmc: Dispersy started successfully in %.2f seconds [port: %d]", diff, self.dispersy.wan_address[1]) else: self._logger.info( "lmc: Dispersy failed to start in %.2f seconds", diff) self.upnp_ports.append((self.dispersy.wan_address[1], 'UDP')) from Tribler.dispersy.crypto import M2CryptoSK private_key = self.dispersy.crypto.key_to_bin( M2CryptoSK(filename=self.session.config. get_permid_keypair_filename())) self.session.dispersy_member = blockingCallFromThread( reactor, self.dispersy.get_member, private_key=private_key) blockingCallFromThread(reactor, self.dispersy.define_auto_load, HardKilledCommunity, self.session.dispersy_member, load=True) if self.session.config.get_megacache_enabled(): self.dispersy.database.attach_commit_callback( self.session.sqlite_db.commit_now) # notify dispersy finished loading self.session.notifier.notify(NTFY_DISPERSY, NTFY_STARTED, None) self.session.readable_status = STATE_LOADING_COMMUNITIES # We should load the mainline DHT before loading the IPv8 overlays since the DHT is used for the tunnel overlay. if self.session.config.get_mainline_dht_enabled(): self.session.readable_status = STATE_START_MAINLINE_DHT from Tribler.Core.DecentralizedTracking import mainlineDHT self.mainline_dht = mainlineDHT.init( ('127.0.0.1', self.session.config.get_mainline_dht_port()), self.session.config.get_state_dir()) self.upnp_ports.append( (self.session.config.get_mainline_dht_port(), 'UDP')) # Wallets try: from Tribler.Core.Modules.wallet.btc_wallet import BitcoinWallet, BitcoinTestnetWallet wallet_type = BitcoinTestnetWallet if self.session.config.get_btc_testnet( ) else BitcoinWallet btc_wallet = wallet_type( os.path.join(self.session.config.get_state_dir(), 'wallet')) self.wallets[btc_wallet.get_identifier()] = btc_wallet except ImportError: self._logger.error( "Electrum wallet cannot be found, Bitcoin wallet not available!" ) if self.session.config.get_dummy_wallets_enabled(): # For debugging purposes, we create dummy wallets dummy_wallet1 = DummyWallet1() self.wallets[dummy_wallet1.get_identifier()] = dummy_wallet1 dummy_wallet2 = DummyWallet2() self.wallets[dummy_wallet2.get_identifier()] = dummy_wallet2 if self.ipv8: self.load_ipv8_overlays() if self.dispersy: self.load_dispersy_communities() tunnel_community_ports = self.session.config.get_tunnel_community_socks5_listen_ports( ) self.session.config.set_anon_proxy_settings( 2, ("127.0.0.1", tunnel_community_ports)) if self.session.config.get_channel_search_enabled( ) and self.session.config.get_dispersy_enabled(): self.session.readable_status = STATE_INITIALIZE_CHANNEL_MGR from Tribler.Core.Modules.channel.channel_manager import ChannelManager self.channel_manager = ChannelManager(self.session) self.channel_manager.initialize() if self.session.config.get_libtorrent_enabled(): self.session.readable_status = STATE_START_LIBTORRENT from Tribler.Core.Libtorrent.LibtorrentMgr import LibtorrentMgr self.ltmgr = LibtorrentMgr(self.session) self.ltmgr.initialize() for port, protocol in self.upnp_ports: self.ltmgr.add_upnp_mapping(port, protocol) # add task for tracker checking if self.session.config.get_torrent_checking_enabled(): self.session.readable_status = STATE_START_TORRENT_CHECKER self.torrent_checker = TorrentChecker(self.session) self.torrent_checker.initialize() if self.rtorrent_handler and self.session.config.get_dispersy_enabled( ): self.session.readable_status = STATE_START_REMOTE_TORRENT_HANDLER self.rtorrent_handler.initialize() if self.api_manager: self.session.readable_status = STATE_START_API_ENDPOINTS self.api_manager.root_endpoint.start_endpoints() if self.session.config.get_watch_folder_enabled(): self.session.readable_status = STATE_START_WATCH_FOLDER self.watch_folder = WatchFolder(self.session) self.watch_folder.start() if self.session.config.get_credit_mining_enabled(): self.session.readable_status = STATE_START_CREDIT_MINING from Tribler.Core.CreditMining.CreditMiningManager import CreditMiningManager self.credit_mining_manager = CreditMiningManager(self.session) if self.session.config.get_resource_monitor_enabled(): self.resource_monitor = ResourceMonitor(self.session) self.resource_monitor.start() self.version_check_manager = VersionCheckManager(self.session) self.session.set_download_states_callback(self.sesscb_states_callback) self.initComplete = True def add(self, tdef, dscfg, pstate=None, setupDelay=0, hidden=False, share_mode=False, checkpoint_disabled=False): """ Called by any thread """ d = None with self.session_lock: if not isinstance( tdef, TorrentDefNoMetainfo) and not tdef.is_finalized(): raise ValueError("TorrentDef not finalized") infohash = tdef.get_infohash() # Create the destination directory if it does not exist yet try: if not os.path.isdir(dscfg.get_dest_dir()): os.makedirs(dscfg.get_dest_dir()) except OSError: self._logger.error( "Unable to create the download destination directory.") if dscfg.get_time_added() == 0: dscfg.set_time_added(int(timemod.time())) # Check if running or saved on disk if infohash in self.downloads: self._logger.info( "Torrent already exists in the downloads. Infohash:%s", infohash.encode('hex')) from Tribler.Core.Libtorrent.LibtorrentDownloadImpl import LibtorrentDownloadImpl d = LibtorrentDownloadImpl(self.session, tdef) if pstate is None: # not already resuming pstate = self.load_download_pstate_noexc(infohash) if pstate is not None: self._logger.debug("tlm: add: pstate is %s %s", pstate.get('dlstate', 'status'), pstate.get('dlstate', 'progress')) # Store in list of Downloads, always. self.downloads[infohash] = d setup_deferred = d.setup(dscfg, pstate, wrapperDelay=setupDelay, share_mode=share_mode, checkpoint_disabled=checkpoint_disabled) setup_deferred.addCallback(self.on_download_handle_created) if d and not hidden and self.session.config.get_megacache_enabled(): @forceDBThread def write_my_pref(): torrent_id = self.torrent_db.getTorrentID(infohash) data = {'destination_path': d.get_dest_dir()} self.mypref_db.addMyPreference(torrent_id, data) if isinstance(tdef, TorrentDefNoMetainfo): self.torrent_db.addOrGetTorrentID(tdef.get_infohash()) self.torrent_db.updateTorrent(tdef.get_infohash(), name=tdef.get_name_as_unicode()) write_my_pref() elif self.rtorrent_handler: self.rtorrent_handler.save_torrent(tdef, write_my_pref) else: self.torrent_db.addExternalTorrent( tdef, extra_info={'status': 'good'}) write_my_pref() return d def on_download_handle_created(self, download): """ This method is called when the download handle has been created. Immediately checkpoint the download and write the resume data. """ return download.checkpoint() def remove(self, d, removecontent=False, removestate=True, hidden=False): """ Called by any thread """ out = None with self.session_lock: out = d.stop_remove(removestate=removestate, removecontent=removecontent) infohash = d.get_def().get_infohash() if infohash in self.downloads: del self.downloads[infohash] if not hidden: self.remove_id(infohash) if self.tunnel_community: self.tunnel_community.on_download_removed(d) return out or succeed(None) def remove_id(self, infohash): @forceDBThread def do_db(): torrent_id = self.torrent_db.getTorrentID(infohash) if torrent_id: self.mypref_db.deletePreference(torrent_id) if self.session.config.get_megacache_enabled(): do_db() def get_downloads(self): """ Called by any thread """ with self.session_lock: return self.downloads.values() # copy, is mutable def get_download(self, infohash): """ Called by any thread """ with self.session_lock: return self.downloads.get(infohash, None) def download_exists(self, infohash): with self.session_lock: return infohash in self.downloads @blocking_call_on_reactor_thread @inlineCallbacks def update_download_hops(self, download, new_hops): """ Update the amount of hops for a specified download. This can be done on runtime. """ infohash = binascii.hexlify(download.tdef.get_infohash()) self._logger.info("Updating the amount of hops of download %s", infohash) yield self.session.remove_download(download) # copy the old download_config and change the hop count dscfg = download.copy() dscfg.set_hops(new_hops) # If the user wants to change the hop count to 0, don't automatically bump this up to 1 anymore dscfg.set_safe_seeding(False) self.session.start_download_from_tdef(download.tdef, dscfg) def update_trackers(self, infohash, trackers): """ Update the trackers for a download. :param infohash: infohash of the torrent that needs to be updated :param trackers: A list of tracker urls. """ dl = self.get_download(infohash) old_def = dl.get_def() if dl else None if old_def: old_trackers = old_def.get_trackers_as_single_tuple() new_trackers = list(set(trackers) - set(old_trackers)) all_trackers = list(old_trackers) + new_trackers if new_trackers: # Add new trackers to the download dl.add_trackers(new_trackers) # Create a new TorrentDef if isinstance(old_def, TorrentDefNoMetainfo): new_def = TorrentDefNoMetainfo(old_def.get_infohash(), old_def.get_name(), dl.get_magnet_link()) else: metainfo = old_def.get_metainfo() if len(all_trackers) > 1: metainfo["announce-list"] = [all_trackers] else: metainfo["announce"] = all_trackers[0] new_def = TorrentDef.load_from_dict(metainfo) # Set TorrentDef + checkpoint dl.set_def(new_def) dl.checkpoint() if isinstance(old_def, TorrentDefNoMetainfo): @forceDBThread def update_trackers_db(infohash, new_trackers): torrent_id = self.torrent_db.getTorrentID(infohash) if torrent_id is not None: self.torrent_db.addTorrentTrackerMappingInBatch( torrent_id, new_trackers) self.session.notifier.notify( NTFY_TORRENTS, NTFY_UPDATE, infohash) if self.session.config.get_megacache_enabled(): update_trackers_db(infohash, new_trackers) elif not isinstance( old_def, TorrentDefNoMetainfo) and self.rtorrent_handler: # Update collected torrents self.rtorrent_handler.save_torrent(new_def) # # State retrieval # def stop_download_states_callback(self): """ Stop any download states callback if present. """ if self.is_pending_task_active("download_states_lc"): self.cancel_pending_task("download_states_lc") def set_download_states_callback(self, user_callback, interval=1.0): """ Set the download state callback. Remove any old callback if it's present. """ self.stop_download_states_callback() self._logger.debug( "Starting the download state callback with interval %f", interval) self.download_states_lc = self.register_task( "download_states_lc", LoopingCall(self._invoke_states_cb, user_callback)) self.download_states_lc.start(interval) def _invoke_states_cb(self, callback): """ Invoke the download states callback with a list of the download states. """ dslist = [] for d in self.downloads.values(): d.set_moreinfo_stats( True in self.get_peer_list or d.get_def().get_infohash() in self.get_peer_list) ds = d.network_get_state(None) dslist.append(ds) def on_cb_done(new_get_peer_list): self.get_peer_list = new_get_peer_list return deferToThread(callback, dslist).addCallback(on_cb_done) def sesscb_states_callback(self, states_list): """ This method is periodically (every second) called with a list of the download states of the active downloads. """ self.state_cb_count += 1 # Check to see if a download has finished new_active_downloads = [] do_checkpoint = False seeding_download_list = [] for ds in states_list: state = ds.get_status() download = ds.get_download() tdef = download.get_def() safename = tdef.get_name_as_unicode() infohash = tdef.get_infohash() if state == DLSTATUS_DOWNLOADING: new_active_downloads.append(infohash) elif state == DLSTATUS_STOPPED_ON_ERROR: self._logger.error("Error during download: %s", repr(ds.get_error())) if self.download_exists(infohash): self.get_download(infohash).stop() self.session.notifier.notify(NTFY_TORRENT, NTFY_ERROR, infohash, repr(ds.get_error())) elif state == DLSTATUS_SEEDING: seeding_download_list.append({ u'infohash': infohash, u'download': download }) if infohash in self.previous_active_downloads: self.session.notifier.notify(NTFY_TORRENT, NTFY_FINISHED, infohash, safename) do_checkpoint = True elif download.get_hops() == 0 and download.get_safe_seeding(): # Re-add the download with anonymity enabled hops = self.session.config.get_default_number_hops() self.update_download_hops(download, hops) self.previous_active_downloads = new_active_downloads if do_checkpoint: self.session.checkpoint_downloads() if self.state_cb_count % 4 == 0: if self.tunnel_community: self.tunnel_community.monitor_downloads(states_list) if self.credit_mining_manager: self.credit_mining_manager.monitor_downloads(states_list) return [] # # Persistence methods # def load_checkpoint(self): """ Called by any thread """ def do_load_checkpoint(): with self.session_lock: for i, filename in enumerate( iglob( os.path.join( self.session.get_downloads_pstate_dir(), '*.state'))): self.resume_download(filename, setupDelay=i * 0.1) if self.initComplete: do_load_checkpoint() else: self.register_task("load_checkpoint", reactor.callLater(1, do_load_checkpoint)) def load_download_pstate_noexc(self, infohash): """ Called by any thread, assume session_lock already held """ try: basename = binascii.hexlify(infohash) + '.state' filename = os.path.join(self.session.get_downloads_pstate_dir(), basename) if os.path.exists(filename): return self.load_download_pstate(filename) else: self._logger.info("%s not found", basename) except Exception: self._logger.exception("Exception while loading pstate: %s", infohash) def resume_download(self, filename, setupDelay=0): tdef = dscfg = pstate = None try: pstate = self.load_download_pstate(filename) # SWIFTPROC metainfo = pstate.get('state', 'metainfo') if 'infohash' in metainfo: tdef = TorrentDefNoMetainfo(metainfo['infohash'], metainfo['name'], metainfo.get('url', None)) else: tdef = TorrentDef.load_from_dict(metainfo) if pstate.has_option('download_defaults', 'saveas') and \ isinstance(pstate.get('download_defaults', 'saveas'), tuple): pstate.set('download_defaults', 'saveas', pstate.get('download_defaults', 'saveas')[-1]) dscfg = DownloadStartupConfig(pstate) except: # pstate is invalid or non-existing _, file = os.path.split(filename) infohash = binascii.unhexlify(file[:-6]) torrent_data = self.torrent_store.get(infohash) if torrent_data: try: tdef = TorrentDef.load_from_memory(torrent_data) defaultDLConfig = DefaultDownloadStartupConfig.getInstance( ) dscfg = defaultDLConfig.copy() if self.mypref_db is not None: dest_dir = self.mypref_db.getMyPrefStatsInfohash( infohash) if dest_dir and os.path.isdir(dest_dir): dscfg.set_dest_dir(dest_dir) except ValueError: self._logger.warning("tlm: torrent data invalid") if pstate is not None: has_resume_data = pstate.get('state', 'engineresumedata') is not None self._logger.debug( "tlm: load_checkpoint: resumedata %s", 'len %s ' % len(pstate.get('state', 'engineresumedata')) if has_resume_data else 'None') if tdef and dscfg: if dscfg.get_dest_dir() != '': # removed torrent ignoring try: if not self.download_exists(tdef.get_infohash()): self.add(tdef, dscfg, pstate, setupDelay=setupDelay) else: self._logger.info( "tlm: not resuming checkpoint because download has already been added" ) except Exception as e: self._logger.exception( "tlm: load check_point: exception while adding download %s", tdef) else: self._logger.info("tlm: removing checkpoint %s destdir is %s", filename, dscfg.get_dest_dir()) os.remove(filename) else: self._logger.info("tlm: could not resume checkpoint %s %s %s", filename, tdef, dscfg) def checkpoint_downloads(self): """ Checkpoints all running downloads in Tribler. Even if the list of Downloads changes in the mean time this is no problem. For removals, dllist will still hold a pointer to the download, and additions are no problem (just won't be included in list of states returned via callback). """ downloads = self.downloads.values() deferred_list = [] self._logger.debug("tlm: checkpointing %s downloads", len(downloads)) for download in downloads: deferred_list.append(download.checkpoint()) return DeferredList(deferred_list) def shutdown_downloads(self): """ Shutdown all downloads in Tribler. """ for download in self.downloads.values(): download.stop() def remove_pstate(self, infohash): def do_remove(): if not self.download_exists(infohash): dlpstatedir = self.session.get_downloads_pstate_dir() # Remove checkpoint hexinfohash = binascii.hexlify(infohash) try: basename = hexinfohash + '.state' filename = os.path.join(dlpstatedir, basename) self._logger.debug( "remove pstate: removing dlcheckpoint entry %s", filename) if os.access(filename, os.F_OK): os.remove(filename) except: # Show must go on self._logger.exception("Could not remove state") else: self._logger.warning( "remove pstate: download is back, restarted? Canceling removal! %s", repr(infohash)) reactor.callFromThread(do_remove) @inlineCallbacks def early_shutdown(self): """ Called as soon as Session shutdown is initiated. Used to start shutdown tasks that takes some time and that can run in parallel to checkpointing, etc. :returns a Deferred that will fire once all dependencies acknowledge they have shutdown. """ self._logger.info("tlm: early_shutdown") self.shutdown_task_manager() # Note: session_lock not held self.shutdownstarttime = timemod.time() if self.credit_mining_manager: yield self.credit_mining_manager.shutdown() self.credit_mining_manager = None if self.torrent_checker: yield self.torrent_checker.shutdown() self.torrent_checker = None if self.channel_manager: yield self.channel_manager.shutdown() self.channel_manager = None if self.search_manager: yield self.search_manager.shutdown() self.search_manager = None if self.rtorrent_handler: yield self.rtorrent_handler.shutdown() self.rtorrent_handler = None if self.video_server: yield self.video_server.shutdown_server() self.video_server = None if self.version_check_manager: self.version_check_manager.stop() self.version_check_manager = None if self.resource_monitor: self.resource_monitor.stop() self.resource_monitor = None self.tracker_manager = None if self.tunnel_community and self.trustchain_community: # We unload these overlays manually since the TrustChain has to be unloaded after the tunnel overlay. yield self.ipv8.unload_overlay(self.tunnel_community) yield self.ipv8.unload_overlay(self.trustchain_community) if self.dispersy: self._logger.info("lmc: Shutting down Dispersy...") now = timemod.time() try: success = yield self.dispersy.stop() except: print_exc() success = False diff = timemod.time() - now if success: self._logger.info( "lmc: Dispersy successfully shutdown in %.2f seconds", diff) else: self._logger.info( "lmc: Dispersy failed to shutdown in %.2f seconds", diff) if self.ipv8: yield self.ipv8.stop(stop_reactor=False) if self.metadata_store is not None: yield self.metadata_store.close() self.metadata_store = None if self.tftp_handler is not None: yield self.tftp_handler.shutdown() self.tftp_handler = None if self.channelcast_db is not None: yield self.channelcast_db.close() self.channelcast_db = None if self.votecast_db is not None: yield self.votecast_db.close() self.votecast_db = None if self.mypref_db is not None: yield self.mypref_db.close() self.mypref_db = None if self.torrent_db is not None: yield self.torrent_db.close() self.torrent_db = None if self.peer_db is not None: yield self.peer_db.close() self.peer_db = None if self.mainline_dht is not None: from Tribler.Core.DecentralizedTracking import mainlineDHT yield mainlineDHT.deinit(self.mainline_dht) self.mainline_dht = None if self.torrent_store is not None: yield self.torrent_store.close() self.torrent_store = None if self.watch_folder is not None: yield self.watch_folder.stop() self.watch_folder = None # We close the API manager as late as possible during shutdown. if self.api_manager is not None: yield self.api_manager.stop() self.api_manager = None def network_shutdown(self): try: self._logger.info("tlm: network_shutdown") ts = enumerate_threads() self._logger.info("tlm: Number of threads still running %d", len(ts)) for t in ts: self._logger.info( "tlm: Thread still running=%s, daemon=%s, instance=%s", t.getName(), t.isDaemon(), t) except: print_exc() # Stop network thread self.sessdoneflag.set() # Shutdown libtorrent session after checkpoints have been made if self.ltmgr is not None: self.ltmgr.shutdown() self.ltmgr = None def save_download_pstate(self, infohash, pstate): """ Called by network thread """ self.downloads[infohash].pstate_for_restart = pstate self.register_task("save_pstate %f" % timemod.clock(), self.downloads[infohash].save_resume_data()) def load_download_pstate(self, filename): """ Called by any thread """ pstate = CallbackConfigParser() pstate.read_file(filename) return pstate
def load_ipv8_overlays(self): # Discovery Community with open(self.session.config.get_permid_keypair_filename(), 'r') as key_file: content = key_file.read() content = content[31:-30].replace('\n', '').decode("BASE64") peer = Peer(M2CryptoSK(keystring=content)) discovery_community = DiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) discovery_community.resolve_dns_bootstrap_addresses() self.ipv8.overlays.append(discovery_community) self.ipv8.strategies.append((RandomChurn(discovery_community), -1)) if not self.session.config.get_dispersy_enabled(): self.ipv8.strategies.append((RandomWalk(discovery_community), 20)) if self.session.config.get_testnet(): peer = Peer(self.session.trustchain_keypair) else: peer = Peer(self.session.trustchain_testnet_keypair) # TrustChain Community if self.session.config.get_trustchain_enabled(): from Tribler.pyipv8.ipv8.attestation.trustchain.community import TrustChainCommunity, \ TrustChainTestnetCommunity community_cls = TrustChainTestnetCommunity if self.session.config.get_testnet( ) else TrustChainCommunity self.trustchain_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.trustchain_community) self.ipv8.strategies.append( (EdgeWalk(self.trustchain_community), 20)) tc_wallet = TrustchainWallet(self.trustchain_community) self.wallets[tc_wallet.get_identifier()] = tc_wallet # Tunnel Community if self.session.config.get_tunnel_community_enabled(): from Tribler.community.triblertunnel.community import TriblerTunnelCommunity, TriblerTunnelTestnetCommunity community_cls = TriblerTunnelTestnetCommunity if self.session.config.get_testnet() else \ TriblerTunnelCommunity self.tunnel_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, dht_provider=MainlineDHTProvider( self.mainline_dht, self.session.config.get_dispersy_port()), bandwidth_wallet=self.wallets["MB"]) self.ipv8.overlays.append(self.tunnel_community) self.ipv8.strategies.append( (RandomWalk(self.tunnel_community), 20)) # Market Community if self.session.config.get_market_community_enabled(): from Tribler.community.market.community import MarketCommunity, MarketTestnetCommunity community_cls = MarketTestnetCommunity if self.session.config.get_testnet( ) else MarketCommunity self.market_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, trustchain=self.trustchain_community, wallets=self.wallets, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.market_community) self.ipv8.strategies.append( (RandomWalk(self.market_community), 20)) # Popular Community if self.session.config.get_popularity_community_enabled(): from Tribler.community.popularity.community import PopularityCommunity self.popularity_community = PopularityCommunity( peer, self.ipv8.endpoint, self.ipv8.network, torrent_db=self.session.lm.torrent_db, session=self.session) self.ipv8.overlays.append(self.popularity_community) self.ipv8.strategies.append( (RandomWalk(self.popularity_community), 20)) self.popularity_community.start()
class TriblerLaunchMany(TaskManager): def __init__(self): """ Called only once (unless we have multiple Sessions) by MainThread """ super(TriblerLaunchMany, self).__init__() self.initComplete = False self.registered = False self.dispersy = None self.ipv8 = None self.ipv8_start_time = 0 self.state_cb_count = 0 self.previous_active_downloads = [] self.download_states_lc = None self.get_peer_list = [] self._logger = logging.getLogger(self.__class__.__name__) self.downloads = {} self.upnp_ports = [] self.session = None self.session_lock = None self.sessdoneflag = Event() self.shutdownstarttime = None # modules self.torrent_store = None self.metadata_store = None self.rtorrent_handler = None self.tftp_handler = None self.api_manager = None self.watch_folder = None self.version_check_manager = None self.resource_monitor = None self.category = None self.peer_db = None self.torrent_db = None self.mypref_db = None self.votecast_db = None self.channelcast_db = None self.search_manager = None self.channel_manager = None self.video_server = None self.mainline_dht = None self.ltmgr = None self.tracker_manager = None self.torrent_checker = None self.tunnel_community = None self.trustchain_community = None self.wallets = {} self.popularity_community = None self.startup_deferred = Deferred() self.credit_mining_manager = None self.market_community = None self.dht_community = None self.payout_manager = None self.mds = None def register(self, session, session_lock): assert isInIOThread() if not self.registered: self.registered = True self.session = session self.session_lock = session_lock # On Mac, we bundle the root certificate for the SSL validation since Twisted is not using the root # certificates provided by the system trust store. if sys.platform == 'darwin': os.environ['SSL_CERT_FILE'] = os.path.join(get_lib_path(), 'root_certs_mac.pem') if self.session.config.get_torrent_store_enabled(): from Tribler.Core.leveldbstore import LevelDbStore self.torrent_store = LevelDbStore(self.session.config.get_torrent_store_dir()) if not self.torrent_store.get_db(): raise RuntimeError("Torrent store (leveldb) is None which should not normally happen") if self.session.config.get_metadata_enabled(): from Tribler.Core.leveldbstore import LevelDbStore self.metadata_store = LevelDbStore(self.session.config.get_metadata_store_dir()) if not self.metadata_store.get_db(): raise RuntimeError("Metadata store (leveldb) is None which should not normally happen") # torrent collecting: RemoteTorrentHandler if self.session.config.get_torrent_collecting_enabled() and self.session.config.get_dispersy_enabled(): from Tribler.Core.RemoteTorrentHandler import RemoteTorrentHandler self.rtorrent_handler = RemoteTorrentHandler(self.session) # TODO(emilon): move this to a megacache component or smth if self.session.config.get_megacache_enabled(): from Tribler.Core.CacheDB.SqliteCacheDBHandler import (PeerDBHandler, TorrentDBHandler, MyPreferenceDBHandler, VoteCastDBHandler, ChannelCastDBHandler) from Tribler.Core.Category.Category import Category self._logger.debug('tlm: Reading Session state from %s', self.session.config.get_state_dir()) self.category = Category() # create DBHandlers self.peer_db = PeerDBHandler(self.session) self.torrent_db = TorrentDBHandler(self.session) self.mypref_db = MyPreferenceDBHandler(self.session) self.votecast_db = VoteCastDBHandler(self.session) self.channelcast_db = ChannelCastDBHandler(self.session) # initializes DBHandlers self.peer_db.initialize() self.torrent_db.initialize() self.mypref_db.initialize() self.votecast_db.initialize() self.channelcast_db.initialize() from Tribler.Core.Modules.tracker_manager import TrackerManager self.tracker_manager = TrackerManager(self.session) if self.session.config.get_video_server_enabled(): self.video_server = VideoServer(self.session.config.get_video_server_port(), self.session) self.video_server.start() # IPv8 if self.session.config.get_ipv8_enabled(): from Tribler.pyipv8.ipv8.configuration import get_default_configuration ipv8_config = get_default_configuration() ipv8_config['port'] = self.session.config.get_dispersy_port() ipv8_config['address'] = self.session.config.get_ipv8_address() ipv8_config['overlays'] = [] ipv8_config['keys'] = [] # We load the keys ourselves if self.session.config.get_ipv8_bootstrap_override(): import Tribler.pyipv8.ipv8.deprecated.community as community_file community_file._DEFAULT_ADDRESSES = [self.session.config.get_ipv8_bootstrap_override()] community_file._DNS_ADDRESSES = [] self.ipv8 = IPv8(ipv8_config, enable_statistics=self.session.config.get_ipv8_statistics()) self.session.config.set_anon_proxy_settings(2, ("127.0.0.1", self.session. config.get_tunnel_community_socks5_listen_ports())) # Dispersy self.tftp_handler = None if self.session.config.get_dispersy_enabled(): from Tribler.dispersy.dispersy import Dispersy from Tribler.dispersy.endpoint import MIMEndpoint from Tribler.dispersy.endpoint import IPv8toDispersyAdapter # set communication endpoint if self.session.config.get_ipv8_enabled(): dispersy_endpoint = IPv8toDispersyAdapter(self.ipv8.endpoint) else: dispersy_endpoint = MIMEndpoint(self.session.config.get_dispersy_port()) working_directory = unicode(self.session.config.get_state_dir()) self.dispersy = Dispersy(dispersy_endpoint, working_directory) self.dispersy.statistics.enable_debug_statistics(False) # register TFTP service from Tribler.Core.TFTP.handler import TftpHandler self.tftp_handler = TftpHandler(self.session, dispersy_endpoint, "fffffffd".decode('hex'), block_size=1024) self.tftp_handler.initialize() # Torrent search if self.session.config.get_torrent_search_enabled() or self.session.config.get_channel_search_enabled(): self.search_manager = SearchManager(self.session) self.search_manager.initialize() if not self.initComplete: self.init() self.session.add_observer(self.on_tribler_started, NTFY_TRIBLER, [NTFY_STARTED]) self.session.notifier.notify(NTFY_TRIBLER, NTFY_STARTED, None) return self.startup_deferred def on_tribler_started(self, subject, changetype, objectID, *args): reactor.callFromThread(self.startup_deferred.callback, None) def load_ipv8_overlays(self): # Discovery Community with open(self.session.config.get_permid_keypair_filename(), 'r') as key_file: content = key_file.read() content = content[31:-30].replace('\n', '').decode("BASE64") peer = Peer(M2CryptoSK(keystring=content)) discovery_community = DiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) discovery_community.resolve_dns_bootstrap_addresses() self.ipv8.overlays.append(discovery_community) self.ipv8.strategies.append((RandomChurn(discovery_community), -1)) if not self.session.config.get_dispersy_enabled(): self.ipv8.strategies.append((RandomWalk(discovery_community), 20)) if self.session.config.get_testnet(): peer = Peer(self.session.trustchain_testnet_keypair) else: peer = Peer(self.session.trustchain_keypair) # TrustChain Community if self.session.config.get_trustchain_enabled(): from Tribler.pyipv8.ipv8.attestation.trustchain.community import TrustChainCommunity, \ TrustChainTestnetCommunity community_cls = TrustChainTestnetCommunity if self.session.config.get_testnet() else TrustChainCommunity self.trustchain_community = community_cls(peer, self.ipv8.endpoint, self.ipv8.network, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.trustchain_community) self.ipv8.strategies.append((EdgeWalk(self.trustchain_community), 20)) tc_wallet = TrustchainWallet(self.trustchain_community) self.wallets[tc_wallet.get_identifier()] = tc_wallet # DHT Community if self.session.config.get_dht_enabled(): from Tribler.pyipv8.ipv8.dht.discovery import DHTDiscoveryCommunity self.dht_community = DHTDiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) self.ipv8.overlays.append(self.dht_community) self.ipv8.strategies.append((RandomWalk(self.dht_community), 20)) # Tunnel Community if self.session.config.get_tunnel_community_enabled(): from Tribler.community.triblertunnel.community import TriblerTunnelCommunity, TriblerTunnelTestnetCommunity community_cls = TriblerTunnelTestnetCommunity if self.session.config.get_testnet() else \ TriblerTunnelCommunity if self.mainline_dht: dht_provider = MainlineDHTProvider(self.mainline_dht, self.session.config.get_dispersy_port()) else: dht_provider = DHTCommunityProvider(self.dht_community, self.session.config.get_dispersy_port()) self.tunnel_community = community_cls(peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, dht_provider=dht_provider, bandwidth_wallet=self.wallets["MB"]) self.ipv8.overlays.append(self.tunnel_community) self.ipv8.strategies.append((RandomWalk(self.tunnel_community), 20)) # Market Community if self.session.config.get_market_community_enabled() and self.session.config.get_dht_enabled(): from Tribler.community.market.community import MarketCommunity, MarketTestnetCommunity community_cls = MarketTestnetCommunity if self.session.config.get_testnet() else MarketCommunity self.market_community = community_cls(peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, trustchain=self.trustchain_community, dht=self.dht_community, wallets=self.wallets, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.market_community) self.ipv8.strategies.append((RandomWalk(self.market_community), 20)) # Popular Community if self.session.config.get_popularity_community_enabled(): from Tribler.community.popularity.community import PopularityCommunity self.popularity_community = PopularityCommunity(peer, self.ipv8.endpoint, self.ipv8.network, torrent_db=self.session.lm.torrent_db, session=self.session) self.ipv8.overlays.append(self.popularity_community) self.ipv8.strategies.append((RandomWalk(self.popularity_community), 20)) self.popularity_community.start() def enable_ipv8_statistics(self): if self.session.config.get_ipv8_statistics(): for overlay in self.ipv8.overlays: self.ipv8.endpoint.enable_community_statistics(overlay.get_prefix(), True) def load_dispersy_communities(self): self._logger.info("tribler: Preparing Dispersy communities...") now_time = timemod.time() default_kwargs = {'tribler_session': self.session} # Search Community if self.session.config.get_torrent_search_enabled() and self.dispersy: from Tribler.community.search.community import SearchCommunity self.dispersy.define_auto_load(SearchCommunity, self.session.dispersy_member, load=True, kargs=default_kwargs) # AllChannel Community if self.session.config.get_channel_search_enabled() and self.dispersy: from Tribler.community.allchannel.community import AllChannelCommunity self.dispersy.define_auto_load(AllChannelCommunity, self.session.dispersy_member, load=True, kargs=default_kwargs) # Channel Community if self.session.config.get_channel_community_enabled() and self.dispersy: from Tribler.community.channel.community import ChannelCommunity self.dispersy.define_auto_load(ChannelCommunity, self.session.dispersy_member, load=True, kargs=default_kwargs) # PreviewChannel Community if self.session.config.get_preview_channel_community_enabled() and self.dispersy: from Tribler.community.channel.preview import PreviewChannelCommunity self.dispersy.define_auto_load(PreviewChannelCommunity, self.session.dispersy_member, kargs=default_kwargs) self._logger.info("tribler: communities are ready in %.2f seconds", timemod.time() - now_time) def init(self): if self.dispersy: from Tribler.dispersy.community import HardKilledCommunity self._logger.info("lmc: Starting Dispersy...") self.session.readable_status = STATE_STARTING_DISPERSY now = timemod.time() success = self.dispersy.start(self.session.autoload_discovery) diff = timemod.time() - now if success: self._logger.info("lmc: Dispersy started successfully in %.2f seconds [port: %d]", diff, self.dispersy.wan_address[1]) else: self._logger.info("lmc: Dispersy failed to start in %.2f seconds", diff) self.upnp_ports.append((self.dispersy.wan_address[1], 'UDP')) from Tribler.dispersy.crypto import M2CryptoSK private_key = self.dispersy.crypto.key_to_bin( M2CryptoSK(filename=self.session.config.get_permid_keypair_filename())) self.session.dispersy_member = blockingCallFromThread(reactor, self.dispersy.get_member, private_key=private_key) blockingCallFromThread(reactor, self.dispersy.define_auto_load, HardKilledCommunity, self.session.dispersy_member, load=True) if self.session.config.get_megacache_enabled(): self.dispersy.database.attach_commit_callback(self.session.sqlite_db.commit_now) # notify dispersy finished loading self.session.notifier.notify(NTFY_DISPERSY, NTFY_STARTED, None) self.session.readable_status = STATE_LOADING_COMMUNITIES # We should load the mainline DHT before loading the IPv8 overlays since the DHT is used for the tunnel overlay. if self.session.config.get_mainline_dht_enabled(): self.session.readable_status = STATE_START_MAINLINE_DHT from Tribler.Core.DecentralizedTracking import mainlineDHT self.mainline_dht = mainlineDHT.init(('127.0.0.1', self.session.config.get_mainline_dht_port()), self.session.config.get_state_dir()) self.upnp_ports.append((self.session.config.get_mainline_dht_port(), 'UDP')) # Wallets if self.session.config.get_bitcoinlib_enabled(): try: from Tribler.Core.Modules.wallet.btc_wallet import BitcoinWallet, BitcoinTestnetWallet wallet_path = os.path.join(self.session.config.get_state_dir(), 'wallet') btc_wallet = BitcoinWallet(wallet_path) btc_testnet_wallet = BitcoinTestnetWallet(wallet_path) self.wallets[btc_wallet.get_identifier()] = btc_wallet self.wallets[btc_testnet_wallet.get_identifier()] = btc_testnet_wallet except ImportError: self._logger.error("bitcoinlib library cannot be found, Bitcoin wallet not available!") if self.session.config.get_dummy_wallets_enabled(): # For debugging purposes, we create dummy wallets dummy_wallet1 = DummyWallet1() self.wallets[dummy_wallet1.get_identifier()] = dummy_wallet1 dummy_wallet2 = DummyWallet2() self.wallets[dummy_wallet2.get_identifier()] = dummy_wallet2 if self.ipv8: self.ipv8_start_time = time.time() self.load_ipv8_overlays() self.enable_ipv8_statistics() if self.dispersy: self.load_dispersy_communities() tunnel_community_ports = self.session.config.get_tunnel_community_socks5_listen_ports() self.session.config.set_anon_proxy_settings(2, ("127.0.0.1", tunnel_community_ports)) if self.session.config.get_channel_search_enabled() and self.session.config.get_dispersy_enabled(): self.session.readable_status = STATE_INITIALIZE_CHANNEL_MGR from Tribler.Core.Modules.channel.channel_manager import ChannelManager self.channel_manager = ChannelManager(self.session) self.channel_manager.initialize() if self.session.config.get_libtorrent_enabled(): self.session.readable_status = STATE_START_LIBTORRENT from Tribler.Core.Libtorrent.LibtorrentMgr import LibtorrentMgr self.ltmgr = LibtorrentMgr(self.session) self.ltmgr.initialize() for port, protocol in self.upnp_ports: self.ltmgr.add_upnp_mapping(port, protocol) # add task for tracker checking if self.session.config.get_torrent_checking_enabled(): self.session.readable_status = STATE_START_TORRENT_CHECKER self.torrent_checker = TorrentChecker(self.session) self.torrent_checker.initialize() if self.rtorrent_handler and self.session.config.get_dispersy_enabled(): self.session.readable_status = STATE_START_REMOTE_TORRENT_HANDLER self.rtorrent_handler.initialize() if self.api_manager: self.session.readable_status = STATE_START_API_ENDPOINTS self.api_manager.root_endpoint.start_endpoints() if self.session.config.get_watch_folder_enabled(): self.session.readable_status = STATE_START_WATCH_FOLDER self.watch_folder = WatchFolder(self.session) self.watch_folder.start() if self.session.config.get_credit_mining_enabled(): self.session.readable_status = STATE_START_CREDIT_MINING from Tribler.Core.CreditMining.CreditMiningManager import CreditMiningManager self.credit_mining_manager = CreditMiningManager(self.session) if self.session.config.get_resource_monitor_enabled(): self.resource_monitor = ResourceMonitor(self.session) self.resource_monitor.start() if self.session.config.get_version_checker_enabled(): self.version_check_manager = VersionCheckManager(self.session) self.version_check_manager.start() if self.session.config.get_chant_enabled(): channels_dir = os.path.join(self.session.config.get_chant_channels_dir()) database_path = os.path.join(self.session.config.get_state_dir(), 'sqlite', 'metadata.db') self.mds = MetadataStore(database_path, channels_dir, self.session.trustchain_keypair) self.session.set_download_states_callback(self.sesscb_states_callback) if self.session.config.get_ipv8_enabled() and self.session.config.get_trustchain_enabled(): self.payout_manager = PayoutManager(self.trustchain_community, self.dht_community) self.initComplete = True def on_channel_download_finished(self, download, channel_id, finished_deferred=None): if download.get_channel_download(): channel_dirname = os.path.join(self.session.lm.mds.channels_dir, download.get_def().get_name()) self.mds.process_channel_dir(channel_dirname, channel_id) if finished_deferred: finished_deferred.callback(download) @db_session def update_channel(self, payload): """ We received some channel metadata, possibly over the network. Validate the signature, update the local metadata store and start downloading this channel if needed. :param payload: The channel metadata, in serialized form. """ if not payload.has_valid_signature(): raise InvalidSignatureException("The signature of the channel metadata is invalid.") channel = self.mds.ChannelMetadata.get_channel_with_id(payload.public_key) if channel: if float2time(payload.timestamp) > channel.timestamp: # Update the channel that is already there. self._logger.info("Updating channel metadata %s ts %s->%s", str(channel.public_key).encode("hex"), str(channel.timestamp), str(float2time(payload.timestamp))) channel.set(**ChannelMetadataPayload.to_dict(payload)) else: # Add new channel object to DB channel = self.mds.ChannelMetadata.from_payload(payload) channel.subscribed = True if channel.version > channel.local_version: self._logger.info("Downloading new channel version %s ver %i->%i", str(channel.public_key).encode("hex"), channel.local_version, channel.version) #TODO: handle the case where the local version is the same as the new one and is not seeded return self.download_channel(channel) def download_channel(self, channel): """ Download a channel with a given infohash and title. :param channel: The channel metadata ORM object. """ finished_deferred = Deferred() dcfg = DownloadStartupConfig() dcfg.set_dest_dir(self.mds.channels_dir) dcfg.set_channel_download(True) tdef = TorrentDefNoMetainfo(infohash=str(channel.infohash), name=channel.title) download = self.session.start_download_from_tdef(tdef, dcfg) channel_id = channel.public_key download.finished_callback = lambda dl: self.on_channel_download_finished(dl, channel_id, finished_deferred) return download, finished_deferred def updated_my_channel(self, new_torrent_path): """ Notify the core that we updated our channel. :param new_torrent_path: path to the new torrent file """ # Start the new download tdef = TorrentDef.load(new_torrent_path) dcfg = DownloadStartupConfig() dcfg.set_dest_dir(self.mds.channels_dir) dcfg.set_channel_download(True) self.add(tdef, dcfg) def add(self, tdef, dscfg, pstate=None, setupDelay=0, hidden=False, share_mode=False, checkpoint_disabled=False): """ Called by any thread """ d = None with self.session_lock: if not isinstance(tdef, TorrentDefNoMetainfo) and not tdef.is_finalized(): raise ValueError("TorrentDef not finalized") infohash = tdef.get_infohash() # Create the destination directory if it does not exist yet try: if not os.path.isdir(dscfg.get_dest_dir()): os.makedirs(dscfg.get_dest_dir()) except OSError: self._logger.error("Unable to create the download destination directory.") if dscfg.get_time_added() == 0: dscfg.set_time_added(int(timemod.time())) # Check if running or saved on disk if infohash in self.downloads: self._logger.info("Torrent already exists in the downloads. Infohash:%s", infohash.encode('hex')) from Tribler.Core.Libtorrent.LibtorrentDownloadImpl import LibtorrentDownloadImpl d = LibtorrentDownloadImpl(self.session, tdef) if pstate is None: # not already resuming pstate = self.load_download_pstate_noexc(infohash) if pstate is not None: self._logger.debug("tlm: add: pstate is %s %s", pstate.get('dlstate', 'status'), pstate.get('dlstate', 'progress')) # Store in list of Downloads, always. self.downloads[infohash] = d setup_deferred = d.setup(dscfg, pstate, wrapperDelay=setupDelay, share_mode=share_mode, checkpoint_disabled=checkpoint_disabled) setup_deferred.addCallback(self.on_download_handle_created) if d and not hidden and self.session.config.get_megacache_enabled(): @forceDBThread def write_my_pref(): torrent_id = self.torrent_db.getTorrentID(infohash) data = {'destination_path': d.get_dest_dir()} self.mypref_db.addMyPreference(torrent_id, data) if isinstance(tdef, TorrentDefNoMetainfo): self.torrent_db.addOrGetTorrentID(tdef.get_infohash()) self.torrent_db.updateTorrent(tdef.get_infohash(), name=tdef.get_name_as_unicode()) self.torrent_db._db.commit_now() write_my_pref() elif self.rtorrent_handler: self.rtorrent_handler.save_torrent(tdef, write_my_pref) else: self.torrent_db.addExternalTorrent(tdef, extra_info={'status': 'good'}) write_my_pref() return d def on_download_handle_created(self, download): """ This method is called when the download handle has been created. Immediately checkpoint the download and write the resume data. """ return download.checkpoint() def remove(self, d, removecontent=False, removestate=True, hidden=False): """ Called by any thread """ out = None with self.session_lock: out = d.stop_remove(removestate=removestate, removecontent=removecontent) infohash = d.get_def().get_infohash() if infohash in self.downloads: del self.downloads[infohash] if not hidden: self.remove_id(infohash) if self.tunnel_community: self.tunnel_community.on_download_removed(d) return out or succeed(None) def remove_id(self, infohash): @forceDBThread def do_db(): torrent_id = self.torrent_db.getTorrentID(infohash) if torrent_id: self.mypref_db.deletePreference(torrent_id) if self.session.config.get_megacache_enabled(): do_db() def get_downloads(self): """ Called by any thread """ with self.session_lock: return self.downloads.values() # copy, is mutable def get_download(self, infohash): """ Called by any thread """ with self.session_lock: return self.downloads.get(infohash, None) def download_exists(self, infohash): with self.session_lock: return infohash in self.downloads @inlineCallbacks def update_download_hops(self, download, new_hops): """ Update the amount of hops for a specified download. This can be done on runtime. """ infohash = binascii.hexlify(download.tdef.get_infohash()) self._logger.info("Updating the amount of hops of download %s", infohash) pstate = download.get_persistent_download_config() pstate.set('state', 'engineresumedata', (yield download.save_resume_data())) yield self.session.remove_download(download) # copy the old download_config and change the hop count dscfg = download.copy() dscfg.set_hops(new_hops) # If the user wants to change the hop count to 0, don't automatically bump this up to 1 anymore dscfg.set_safe_seeding(False) self.session.start_download_from_tdef(download.tdef, dscfg, pstate=pstate) def update_trackers(self, infohash, trackers): """ Update the trackers for a download. :param infohash: infohash of the torrent that needs to be updated :param trackers: A list of tracker urls. """ dl = self.get_download(infohash) old_def = dl.get_def() if dl else None if old_def: old_trackers = old_def.get_trackers_as_single_tuple() new_trackers = list(set(trackers) - set(old_trackers)) all_trackers = list(old_trackers) + new_trackers if new_trackers: # Add new trackers to the download dl.add_trackers(new_trackers) # Create a new TorrentDef if isinstance(old_def, TorrentDefNoMetainfo): new_def = TorrentDefNoMetainfo(old_def.get_infohash(), old_def.get_name(), dl.get_magnet_link()) else: metainfo = old_def.get_metainfo() if len(all_trackers) > 1: metainfo["announce-list"] = [all_trackers] else: metainfo["announce"] = all_trackers[0] new_def = TorrentDef.load_from_dict(metainfo) # Set TorrentDef + checkpoint dl.set_def(new_def) dl.checkpoint() if isinstance(old_def, TorrentDefNoMetainfo): @forceDBThread def update_trackers_db(infohash, new_trackers): torrent_id = self.torrent_db.getTorrentID(infohash) if torrent_id is not None: self.torrent_db.addTorrentTrackerMappingInBatch(torrent_id, new_trackers) self.session.notifier.notify(NTFY_TORRENTS, NTFY_UPDATE, infohash) if self.session.config.get_megacache_enabled(): update_trackers_db(infohash, new_trackers) elif not isinstance(old_def, TorrentDefNoMetainfo) and self.rtorrent_handler: # Update collected torrents self.rtorrent_handler.save_torrent(new_def) # # State retrieval # def stop_download_states_callback(self): """ Stop any download states callback if present. """ if self.is_pending_task_active("download_states_lc"): self.cancel_pending_task("download_states_lc") def set_download_states_callback(self, user_callback, interval=1.0): """ Set the download state callback. Remove any old callback if it's present. """ self.stop_download_states_callback() self._logger.debug("Starting the download state callback with interval %f", interval) self.download_states_lc = self.register_task("download_states_lc", LoopingCall(self._invoke_states_cb, user_callback)) self.download_states_lc.start(interval) def _invoke_states_cb(self, callback): """ Invoke the download states callback with a list of the download states. """ dslist = [] for d in self.downloads.values(): d.set_moreinfo_stats(True in self.get_peer_list or d.get_def().get_infohash() in self.get_peer_list) ds = d.network_get_state(None) dslist.append(ds) def on_cb_done(new_get_peer_list): self.get_peer_list = new_get_peer_list return deferToThread(callback, dslist).addCallback(on_cb_done) def sesscb_states_callback(self, states_list): """ This method is periodically (every second) called with a list of the download states of the active downloads. """ self.state_cb_count += 1 # Check to see if a download has finished new_active_downloads = [] do_checkpoint = False seeding_download_list = [] for ds in states_list: state = ds.get_status() download = ds.get_download() tdef = download.get_def() safename = tdef.get_name_as_unicode() infohash = tdef.get_infohash() if state == DLSTATUS_DOWNLOADING: new_active_downloads.append(infohash) elif state == DLSTATUS_STOPPED_ON_ERROR: self._logger.error("Error during download: %s", repr(ds.get_error())) if self.download_exists(infohash): self.get_download(infohash).stop() self.session.notifier.notify(NTFY_TORRENT, NTFY_ERROR, infohash, repr(ds.get_error())) elif state == DLSTATUS_SEEDING: seeding_download_list.append({u'infohash': infohash, u'download': download}) if infohash in self.previous_active_downloads: self.session.notifier.notify(NTFY_TORRENT, NTFY_FINISHED, infohash, safename) do_checkpoint = True elif download.get_hops() == 0 and download.get_safe_seeding(): # Re-add the download with anonymity enabled hops = self.session.config.get_default_number_hops() self.update_download_hops(download, hops) # Check the peers of this download every five seconds and add them to the payout manager when # this peer runs a Tribler instance if self.state_cb_count % 5 == 0 and download.get_hops() == 0 and self.payout_manager: for peer in download.get_peerlist(): if peer["extended_version"].startswith('Tribler'): self.payout_manager.update_peer(peer["id"].decode('hex'), infohash, peer["dtotal"]) self.previous_active_downloads = new_active_downloads if do_checkpoint: self.session.checkpoint_downloads() if self.state_cb_count % 4 == 0: if self.tunnel_community: self.tunnel_community.monitor_downloads(states_list) if self.credit_mining_manager: self.credit_mining_manager.monitor_downloads(states_list) return [] # # Persistence methods # def load_checkpoint(self): """ Called by any thread """ def do_load_checkpoint(): with self.session_lock: for i, filename in enumerate(iglob(os.path.join(self.session.get_downloads_pstate_dir(), '*.state'))): self.resume_download(filename, setupDelay=i * 0.1) if self.initComplete: do_load_checkpoint() else: self.register_task("load_checkpoint", reactor.callLater(1, do_load_checkpoint)) def load_download_pstate_noexc(self, infohash): """ Called by any thread, assume session_lock already held """ try: basename = binascii.hexlify(infohash) + '.state' filename = os.path.join(self.session.get_downloads_pstate_dir(), basename) if os.path.exists(filename): return self.load_download_pstate(filename) else: self._logger.info("%s not found", basename) except Exception: self._logger.exception("Exception while loading pstate: %s", infohash) def resume_download(self, filename, setupDelay=0): tdef = dscfg = pstate = None try: pstate = self.load_download_pstate(filename) # SWIFTPROC metainfo = pstate.get('state', 'metainfo') if 'infohash' in metainfo: tdef = TorrentDefNoMetainfo(metainfo['infohash'], metainfo['name'], metainfo.get('url', None)) else: tdef = TorrentDef.load_from_dict(metainfo) if pstate.has_option('download_defaults', 'saveas') and \ isinstance(pstate.get('download_defaults', 'saveas'), tuple): pstate.set('download_defaults', 'saveas', pstate.get('download_defaults', 'saveas')[-1]) dscfg = DownloadStartupConfig(pstate) except: # pstate is invalid or non-existing _, file = os.path.split(filename) infohash = binascii.unhexlify(file[:-6]) torrent_data = self.torrent_store.get(infohash) if torrent_data: try: tdef = TorrentDef.load_from_memory(torrent_data) defaultDLConfig = DefaultDownloadStartupConfig.getInstance() dscfg = defaultDLConfig.copy() if self.mypref_db is not None: dest_dir = self.mypref_db.getMyPrefStatsInfohash(infohash) if dest_dir and os.path.isdir(dest_dir): dscfg.set_dest_dir(dest_dir) except ValueError: self._logger.warning("tlm: torrent data invalid") if pstate is not None: has_resume_data = pstate.get('state', 'engineresumedata') is not None self._logger.debug("tlm: load_checkpoint: resumedata %s", 'len %s ' % len(pstate.get('state', 'engineresumedata')) if has_resume_data else 'None') if tdef and dscfg: if dscfg.get_dest_dir() != '': # removed torrent ignoring try: if self.download_exists(tdef.get_infohash()): self._logger.info("tlm: not resuming checkpoint because download has already been added") elif dscfg.get_credit_mining() and not self.session.config.get_credit_mining_enabled(): self._logger.info("tlm: not resuming checkpoint since token mining is disabled") else: self.add(tdef, dscfg, pstate, setupDelay=setupDelay) except Exception as e: self._logger.exception("tlm: load check_point: exception while adding download %s", tdef) else: self._logger.info("tlm: removing checkpoint %s destdir is %s", filename, dscfg.get_dest_dir()) os.remove(filename) else: self._logger.info("tlm: could not resume checkpoint %s %s %s", filename, tdef, dscfg) def checkpoint_downloads(self): """ Checkpoints all running downloads in Tribler. Even if the list of Downloads changes in the mean time this is no problem. For removals, dllist will still hold a pointer to the download, and additions are no problem (just won't be included in list of states returned via callback). """ downloads = self.downloads.values() deferred_list = [] self._logger.debug("tlm: checkpointing %s downloads", len(downloads)) for download in downloads: deferred_list.append(download.checkpoint()) return DeferredList(deferred_list) def shutdown_downloads(self): """ Shutdown all downloads in Tribler. """ for download in self.downloads.values(): download.stop() def remove_pstate(self, infohash): def do_remove(): if not self.download_exists(infohash): dlpstatedir = self.session.get_downloads_pstate_dir() # Remove checkpoint hexinfohash = binascii.hexlify(infohash) try: basename = hexinfohash + '.state' filename = os.path.join(dlpstatedir, basename) self._logger.debug("remove pstate: removing dlcheckpoint entry %s", filename) if os.access(filename, os.F_OK): os.remove(filename) except: # Show must go on self._logger.exception("Could not remove state") else: self._logger.warning("remove pstate: download is back, restarted? Canceling removal! %s", repr(infohash)) reactor.callFromThread(do_remove) @inlineCallbacks def early_shutdown(self): """ Called as soon as Session shutdown is initiated. Used to start shutdown tasks that takes some time and that can run in parallel to checkpointing, etc. :returns a Deferred that will fire once all dependencies acknowledge they have shutdown. """ self._logger.info("tlm: early_shutdown") self.shutdown_task_manager() # Note: session_lock not held self.shutdownstarttime = timemod.time() if self.credit_mining_manager: yield self.credit_mining_manager.shutdown() self.credit_mining_manager = None if self.torrent_checker: yield self.torrent_checker.shutdown() self.torrent_checker = None if self.channel_manager: yield self.channel_manager.shutdown() self.channel_manager = None if self.search_manager: yield self.search_manager.shutdown() self.search_manager = None if self.rtorrent_handler: yield self.rtorrent_handler.shutdown() self.rtorrent_handler = None if self.video_server: yield self.video_server.shutdown_server() self.video_server = None if self.version_check_manager: self.version_check_manager.stop() self.version_check_manager = None if self.resource_monitor: self.resource_monitor.stop() self.resource_monitor = None self.tracker_manager = None if self.tftp_handler is not None: yield self.tftp_handler.shutdown() self.tftp_handler = None if self.tunnel_community and self.trustchain_community: # We unload these overlays manually since the TrustChain has to be unloaded after the tunnel overlay. tunnel_community = self.tunnel_community self.tunnel_community = None yield self.ipv8.unload_overlay(tunnel_community) trustchain_community = self.trustchain_community self.trustchain_community = None yield self.ipv8.unload_overlay(trustchain_community) if self.dispersy: self._logger.info("lmc: Shutting down Dispersy...") now = timemod.time() try: success = yield self.dispersy.stop() except: print_exc() success = False diff = timemod.time() - now if success: self._logger.info("lmc: Dispersy successfully shutdown in %.2f seconds", diff) else: self._logger.info("lmc: Dispersy failed to shutdown in %.2f seconds", diff) if self.ipv8: yield self.ipv8.stop(stop_reactor=False) if self.metadata_store is not None: yield self.metadata_store.close() self.metadata_store = None if self.channelcast_db is not None: yield self.channelcast_db.close() self.channelcast_db = None if self.votecast_db is not None: yield self.votecast_db.close() self.votecast_db = None if self.mypref_db is not None: yield self.mypref_db.close() self.mypref_db = None if self.torrent_db is not None: yield self.torrent_db.close() self.torrent_db = None if self.peer_db is not None: yield self.peer_db.close() self.peer_db = None if self.mainline_dht is not None: from Tribler.Core.DecentralizedTracking import mainlineDHT yield mainlineDHT.deinit(self.mainline_dht) self.mainline_dht = None if self.torrent_store is not None: yield self.torrent_store.close() self.torrent_store = None if self.watch_folder is not None: yield self.watch_folder.stop() self.watch_folder = None # We close the API manager as late as possible during shutdown. if self.api_manager is not None: yield self.api_manager.stop() self.api_manager = None def network_shutdown(self): try: self._logger.info("tlm: network_shutdown") ts = enumerate_threads() self._logger.info("tlm: Number of threads still running %d", len(ts)) for t in ts: self._logger.info("tlm: Thread still running=%s, daemon=%s, instance=%s", t.getName(), t.isDaemon(), t) except: print_exc() # Stop network thread self.sessdoneflag.set() # Shutdown libtorrent session after checkpoints have been made if self.ltmgr is not None: self.ltmgr.shutdown() self.ltmgr = None def save_download_pstate(self, infohash, pstate): """ Called by network thread """ self.downloads[infohash].pstate_for_restart = pstate self.register_anonymous_task("save_pstate", self.downloads[infohash].save_resume_data()) def load_download_pstate(self, filename): """ Called by any thread """ pstate = CallbackConfigParser() pstate.read_file(filename) return pstate
def load_ipv8_overlays(self): # Discovery Community with open(self.session.config.get_permid_keypair_filename(), 'r') as key_file: content = key_file.read() content = content[31:-30].replace('\n', '').decode("BASE64") peer = Peer(M2CryptoSK(keystring=content)) discovery_community = DiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) discovery_community.resolve_dns_bootstrap_addresses() self.ipv8.overlays.append(discovery_community) self.ipv8.strategies.append((RandomChurn(discovery_community), -1)) if not self.session.config.get_dispersy_enabled(): self.ipv8.strategies.append((RandomWalk(discovery_community), 20)) if self.session.config.get_testnet(): peer = Peer(self.session.trustchain_testnet_keypair) else: peer = Peer(self.session.trustchain_keypair) # TrustChain Community if self.session.config.get_trustchain_enabled(): from Tribler.pyipv8.ipv8.attestation.trustchain.community import TrustChainCommunity, \ TrustChainTestnetCommunity community_cls = TrustChainTestnetCommunity if self.session.config.get_testnet() else TrustChainCommunity self.trustchain_community = community_cls(peer, self.ipv8.endpoint, self.ipv8.network, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.trustchain_community) self.ipv8.strategies.append((EdgeWalk(self.trustchain_community), 20)) tc_wallet = TrustchainWallet(self.trustchain_community) self.wallets[tc_wallet.get_identifier()] = tc_wallet # DHT Community if self.session.config.get_dht_enabled(): from Tribler.pyipv8.ipv8.dht.discovery import DHTDiscoveryCommunity self.dht_community = DHTDiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) self.ipv8.overlays.append(self.dht_community) self.ipv8.strategies.append((RandomWalk(self.dht_community), 20)) # Tunnel Community if self.session.config.get_tunnel_community_enabled(): from Tribler.community.triblertunnel.community import TriblerTunnelCommunity, TriblerTunnelTestnetCommunity community_cls = TriblerTunnelTestnetCommunity if self.session.config.get_testnet() else \ TriblerTunnelCommunity if self.mainline_dht: dht_provider = MainlineDHTProvider(self.mainline_dht, self.session.config.get_dispersy_port()) else: dht_provider = DHTCommunityProvider(self.dht_community, self.session.config.get_dispersy_port()) self.tunnel_community = community_cls(peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, dht_provider=dht_provider, bandwidth_wallet=self.wallets["MB"]) self.ipv8.overlays.append(self.tunnel_community) self.ipv8.strategies.append((RandomWalk(self.tunnel_community), 20)) # Market Community if self.session.config.get_market_community_enabled() and self.session.config.get_dht_enabled(): from Tribler.community.market.community import MarketCommunity, MarketTestnetCommunity community_cls = MarketTestnetCommunity if self.session.config.get_testnet() else MarketCommunity self.market_community = community_cls(peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, trustchain=self.trustchain_community, dht=self.dht_community, wallets=self.wallets, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.market_community) self.ipv8.strategies.append((RandomWalk(self.market_community), 20)) # Popular Community if self.session.config.get_popularity_community_enabled(): from Tribler.community.popularity.community import PopularityCommunity self.popularity_community = PopularityCommunity(peer, self.ipv8.endpoint, self.ipv8.network, torrent_db=self.session.lm.torrent_db, session=self.session) self.ipv8.overlays.append(self.popularity_community) self.ipv8.strategies.append((RandomWalk(self.popularity_community), 20)) self.popularity_community.start()
class TriblerLaunchMany(TaskManager): def __init__(self): """ Called only once (unless we have multiple Sessions) by MainThread """ super(TriblerLaunchMany, self).__init__() self.initComplete = False self.registered = False self.ipv8 = None self.ipv8_start_time = 0 self.state_cb_count = 0 self.previous_active_downloads = [] self.download_states_lc = None self.get_peer_list = [] self._logger = logging.getLogger(self.__class__.__name__) self.downloads = {} self.upnp_ports = [] self.session = None self.session_lock = None self.sessdoneflag = Event() self.shutdownstarttime = None # modules self.api_manager = None self.watch_folder = None self.version_check_manager = None self.resource_monitor = None self.category = None self.peer_db = None self.torrent_db = None self.mypref_db = None self.votecast_db = None self.channelcast_db = None self.gigachannel_manager = None self.video_server = None self.ltmgr = None self.tracker_manager = None self.torrent_checker = None self.tunnel_community = None self.trustchain_community = None self.wallets = {} self.popularity_community = None self.gigachannel_community = None self.startup_deferred = Deferred() self.credit_mining_manager = None self.market_community = None self.dht_community = None self.payout_manager = None self.mds = None def register(self, session, session_lock): assert isInIOThread() if not self.registered: self.registered = True self.session = session self.session_lock = session_lock self.tracker_manager = TrackerManager(self.session) # On Mac, we bundle the root certificate for the SSL validation since Twisted is not using the root # certificates provided by the system trust store. if sys.platform == 'darwin': os.environ['SSL_CERT_FILE'] = os.path.join( get_lib_path(), 'root_certs_mac.pem') if self.session.config.get_video_server_enabled(): self.video_server = VideoServer( self.session.config.get_video_server_port(), self.session) self.video_server.start() # IPv8 if self.session.config.get_ipv8_enabled(): from Tribler.pyipv8.ipv8.configuration import get_default_configuration ipv8_config = get_default_configuration() ipv8_config['port'] = self.session.config.get_ipv8_port() ipv8_config['address'] = self.session.config.get_ipv8_address() ipv8_config['overlays'] = [] ipv8_config['keys'] = [] # We load the keys ourselves if self.session.config.get_ipv8_bootstrap_override(): import Tribler.pyipv8.ipv8.community as community_file community_file._DEFAULT_ADDRESSES = [ self.session.config.get_ipv8_bootstrap_override() ] community_file._DNS_ADDRESSES = [] self.ipv8 = IPv8(ipv8_config, enable_statistics=self.session.config. get_ipv8_statistics()) self.session.config.set_anon_proxy_settings( 2, ("127.0.0.1", self.session.config. get_tunnel_community_socks5_listen_ports())) if not self.initComplete: self.init() self.session.add_observer(self.on_tribler_started, NTFY_TRIBLER, [NTFY_STARTED]) self.session.notifier.notify(NTFY_TRIBLER, NTFY_STARTED, None) return self.startup_deferred def on_tribler_started(self, subject, changetype, objectID, *args): reactor.callFromThread(self.startup_deferred.callback, None) def load_ipv8_overlays(self): if self.session.config.get_testnet(): peer = Peer(self.session.trustchain_testnet_keypair) else: peer = Peer(self.session.trustchain_keypair) discovery_community = DiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) discovery_community.resolve_dns_bootstrap_addresses() self.ipv8.overlays.append(discovery_community) self.ipv8.strategies.append((RandomChurn(discovery_community), -1)) self.ipv8.strategies.append( (PeriodicSimilarity(discovery_community), -1)) self.ipv8.strategies.append((RandomWalk(discovery_community), 20)) # TrustChain Community if self.session.config.get_trustchain_enabled(): from Tribler.pyipv8.ipv8.attestation.trustchain.community import TrustChainCommunity, \ TrustChainTestnetCommunity community_cls = TrustChainTestnetCommunity if self.session.config.get_testnet( ) else TrustChainCommunity self.trustchain_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.trustchain_community) self.ipv8.strategies.append( (EdgeWalk(self.trustchain_community), 20)) tc_wallet = TrustchainWallet(self.trustchain_community) self.wallets[tc_wallet.get_identifier()] = tc_wallet # DHT Community if self.session.config.get_dht_enabled(): from Tribler.pyipv8.ipv8.dht.discovery import DHTDiscoveryCommunity self.dht_community = DHTDiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) self.ipv8.overlays.append(self.dht_community) self.ipv8.strategies.append((RandomWalk(self.dht_community), 20)) # Tunnel Community if self.session.config.get_tunnel_community_enabled(): from Tribler.community.triblertunnel.community import TriblerTunnelCommunity, TriblerTunnelTestnetCommunity from Tribler.community.triblertunnel.discovery import GoldenRatioStrategy community_cls = TriblerTunnelTestnetCommunity if self.session.config.get_testnet() else \ TriblerTunnelCommunity random_slots = self.session.config.get_tunnel_community_random_slots( ) competing_slots = self.session.config.get_tunnel_community_competing_slots( ) dht_provider = DHTCommunityProvider( self.dht_community, self.session.config.get_ipv8_port()) settings = TunnelSettings() settings.min_circuits = 3 settings.max_circuits = 10 self.tunnel_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, dht_provider=dht_provider, bandwidth_wallet=self.wallets["MB"], random_slots=random_slots, competing_slots=competing_slots, settings=settings) self.ipv8.overlays.append(self.tunnel_community) self.ipv8.strategies.append( (RandomWalk(self.tunnel_community), 20)) self.ipv8.strategies.append( (GoldenRatioStrategy(self.tunnel_community), -1)) # Market Community if self.session.config.get_market_community_enabled( ) and self.session.config.get_dht_enabled(): from Tribler.community.market.community import MarketCommunity, MarketTestnetCommunity community_cls = MarketTestnetCommunity if self.session.config.get_testnet( ) else MarketCommunity self.market_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, trustchain=self.trustchain_community, dht=self.dht_community, wallets=self.wallets, working_directory=self.session.config.get_state_dir(), record_transactions=self.session.config. get_record_transactions()) self.ipv8.overlays.append(self.market_community) self.ipv8.strategies.append( (RandomWalk(self.market_community), 20)) # Popular Community if self.session.config.get_popularity_community_enabled(): from Tribler.community.popularity.community import PopularityCommunity self.popularity_community = PopularityCommunity( peer, self.ipv8.endpoint, self.ipv8.network, metadata_store=self.session.lm.mds, session=self.session) self.ipv8.overlays.append(self.popularity_community) self.ipv8.strategies.append( (RandomWalk(self.popularity_community), 20)) self.popularity_community.start() # Gigachannel Community if self.session.config.get_chant_enabled(): from Tribler.community.gigachannel.community import GigaChannelCommunity, GigaChannelTestnetCommunity from Tribler.community.gigachannel.sync_strategy import SyncChannels community_cls = GigaChannelTestnetCommunity if self.session.config.get_testnet( ) else GigaChannelCommunity self.gigachannel_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, self.mds, notifier=self.session.notifier) self.ipv8.overlays.append(self.gigachannel_community) self.ipv8.strategies.append( (RandomWalk(self.gigachannel_community), 20)) self.ipv8.strategies.append( (SyncChannels(self.gigachannel_community), 20)) def enable_ipv8_statistics(self): if self.session.config.get_ipv8_statistics(): for overlay in self.ipv8.overlays: self.ipv8.endpoint.enable_community_statistics( overlay.get_prefix(), True) def init(self): # Wallets if self.session.config.get_bitcoinlib_enabled(): try: from Tribler.Core.Modules.wallet.btc_wallet import BitcoinWallet, BitcoinTestnetWallet wallet_path = os.path.join(self.session.config.get_state_dir(), 'wallet') btc_wallet = BitcoinWallet(wallet_path) btc_testnet_wallet = BitcoinTestnetWallet(wallet_path) self.wallets[btc_wallet.get_identifier()] = btc_wallet self.wallets[ btc_testnet_wallet.get_identifier()] = btc_testnet_wallet except Exception as exc: self._logger.error("bitcoinlib library cannot be loaded: %s", exc) if self.session.config.get_chant_enabled(): channels_dir = os.path.join( self.session.config.get_chant_channels_dir()) database_path = os.path.join(self.session.config.get_state_dir(), 'sqlite', 'metadata.db') self.mds = MetadataStore(database_path, channels_dir, self.session.trustchain_keypair) if self.session.config.get_dummy_wallets_enabled(): # For debugging purposes, we create dummy wallets dummy_wallet1 = DummyWallet1() self.wallets[dummy_wallet1.get_identifier()] = dummy_wallet1 dummy_wallet2 = DummyWallet2() self.wallets[dummy_wallet2.get_identifier()] = dummy_wallet2 if self.ipv8: self.ipv8_start_time = time.time() self.load_ipv8_overlays() self.enable_ipv8_statistics() tunnel_community_ports = self.session.config.get_tunnel_community_socks5_listen_ports( ) self.session.config.set_anon_proxy_settings( 2, ("127.0.0.1", tunnel_community_ports)) if self.session.config.get_libtorrent_enabled(): self.session.readable_status = STATE_START_LIBTORRENT from Tribler.Core.Libtorrent.LibtorrentMgr import LibtorrentMgr self.ltmgr = LibtorrentMgr(self.session) self.ltmgr.initialize() for port, protocol in self.upnp_ports: self.ltmgr.add_upnp_mapping(port, protocol) if self.session.config.get_chant_enabled(): self.gigachannel_manager = GigaChannelManager(self.session) self.gigachannel_manager.start() # add task for tracker checking if self.session.config.get_torrent_checking_enabled(): self.session.readable_status = STATE_START_TORRENT_CHECKER self.torrent_checker = TorrentChecker(self.session) self.torrent_checker.initialize() if self.api_manager: self.session.readable_status = STATE_START_API_ENDPOINTS self.api_manager.root_endpoint.start_endpoints() if self.session.config.get_watch_folder_enabled(): self.session.readable_status = STATE_START_WATCH_FOLDER self.watch_folder = WatchFolder(self.session) self.watch_folder.start() if self.session.config.get_credit_mining_enabled(): self.session.readable_status = STATE_START_CREDIT_MINING from Tribler.Core.CreditMining.CreditMiningManager import CreditMiningManager self.credit_mining_manager = CreditMiningManager(self.session) if self.session.config.get_resource_monitor_enabled(): self.resource_monitor = ResourceMonitor(self.session) self.resource_monitor.start() if self.session.config.get_version_checker_enabled(): self.version_check_manager = VersionCheckManager(self.session) self.version_check_manager.start() self.session.set_download_states_callback(self.sesscb_states_callback) if self.session.config.get_ipv8_enabled( ) and self.session.config.get_trustchain_enabled(): self.payout_manager = PayoutManager(self.trustchain_community, self.dht_community) self.initComplete = True def add(self, tdef, dscfg, pstate=None, setupDelay=0, hidden=False, share_mode=False, checkpoint_disabled=False): """ Called by any thread """ d = None with self.session_lock: infohash = tdef.get_infohash() # Create the destination directory if it does not exist yet try: if not os.path.isdir(dscfg.get_dest_dir()): os.makedirs(dscfg.get_dest_dir()) except OSError: self._logger.error( "Unable to create the download destination directory.") if dscfg.get_time_added() == 0: dscfg.set_time_added(int(timemod.time())) # Check if running or saved on disk if infohash in self.downloads: self._logger.info( "Torrent already exists in the downloads. Infohash:%s", hexlify(infohash)) from Tribler.Core.Libtorrent.LibtorrentDownloadImpl import LibtorrentDownloadImpl d = LibtorrentDownloadImpl(self.session, tdef) if pstate is None: # not already resuming pstate = self.load_download_pstate_noexc(infohash) if pstate is not None: self._logger.debug("tlm: add: pstate is %s %s", pstate.get('dlstate', 'status'), pstate.get('dlstate', 'progress')) # Store in list of Downloads, always. self.downloads[infohash] = d setup_deferred = d.setup(dscfg, pstate, wrapperDelay=setupDelay, share_mode=share_mode, checkpoint_disabled=checkpoint_disabled) setup_deferred.addCallback(self.on_download_handle_created) return d def on_download_handle_created(self, download): """ This method is called when the download handle has been created. Immediately checkpoint the download and write the resume data. """ return download.checkpoint() def remove(self, d, removecontent=False, removestate=True, hidden=False): """ Called by any thread """ out = None with self.session_lock: out = d.stop_remove(removestate=removestate, removecontent=removecontent) infohash = d.get_def().get_infohash() if infohash in self.downloads: del self.downloads[infohash] return out or succeed(None) def get_downloads(self): """ Called by any thread """ with self.session_lock: return self.downloads.values() # copy, is mutable def get_channel_downloads(self): with self.session_lock: return [ download for download in self.downloads.values() if download.get_channel_download() ] def get_download(self, infohash): """ Called by any thread """ with self.session_lock: return self.downloads.get(infohash, None) def download_exists(self, infohash): with self.session_lock: return infohash in self.downloads @inlineCallbacks def update_download_hops(self, download, new_hops): """ Update the amount of hops for a specified download. This can be done on runtime. """ infohash = hexlify(download.tdef.get_infohash()) self._logger.info("Updating the amount of hops of download %s", infohash) pstate = download.get_persistent_download_config() pstate.set('state', 'engineresumedata', (yield download.save_resume_data())) yield self.session.remove_download(download) # copy the old download_config and change the hop count dscfg = download.copy() dscfg.set_hops(new_hops) # If the user wants to change the hop count to 0, don't automatically bump this up to 1 anymore dscfg.set_safe_seeding(False) self.session.start_download_from_tdef(download.tdef, dscfg, pstate=pstate) def update_trackers(self, infohash, trackers): """ Update the trackers for a download. :param infohash: infohash of the torrent that needs to be updated :param trackers: A list of tracker urls. """ dl = self.get_download(infohash) old_def = dl.get_def() if dl else None if old_def: old_trackers = old_def.get_trackers_as_single_tuple() new_trackers = list(set(trackers) - set(old_trackers)) all_trackers = list(old_trackers) + new_trackers if new_trackers: # Add new trackers to the download dl.add_trackers(new_trackers) # Create a new TorrentDef if isinstance(old_def, TorrentDefNoMetainfo): new_def = TorrentDefNoMetainfo(old_def.get_infohash(), old_def.get_name(), dl.get_magnet_link()) else: metainfo = old_def.get_metainfo() if len(all_trackers) > 1: metainfo["announce-list"] = [all_trackers] else: metainfo["announce"] = all_trackers[0] new_def = TorrentDef.load_from_dict(metainfo) # Set TorrentDef + checkpoint dl.set_def(new_def) dl.checkpoint() # # State retrieval # def stop_download_states_callback(self): """ Stop any download states callback if present. """ if self.is_pending_task_active("download_states_lc"): self.cancel_pending_task("download_states_lc") def set_download_states_callback(self, user_callback, interval=1.0): """ Set the download state callback. Remove any old callback if it's present. """ self.stop_download_states_callback() self._logger.debug( "Starting the download state callback with interval %f", interval) self.download_states_lc = self.register_task( "download_states_lc", LoopingCall(self._invoke_states_cb, user_callback)) self.download_states_lc.start(interval) def _invoke_states_cb(self, callback): """ Invoke the download states callback with a list of the download states. """ dslist = [] for d in self.downloads.values(): d.set_moreinfo_stats( True in self.get_peer_list or d.get_def().get_infohash() in self.get_peer_list) ds = d.network_get_state(None) dslist.append(ds) def on_cb_done(new_get_peer_list): self.get_peer_list = new_get_peer_list return deferToThread(callback, dslist).addCallback(on_cb_done) def sesscb_states_callback(self, states_list): """ This method is periodically (every second) called with a list of the download states of the active downloads. """ self.state_cb_count += 1 # Check to see if a download has finished new_active_downloads = [] do_checkpoint = False seeding_download_list = [] for ds in states_list: state = ds.get_status() download = ds.get_download() tdef = download.get_def() safename = tdef.get_name_as_unicode() infohash = tdef.get_infohash() if state == DLSTATUS_DOWNLOADING: new_active_downloads.append(infohash) elif state == DLSTATUS_STOPPED_ON_ERROR: self._logger.error("Error during download: %s", repr(ds.get_error())) if self.download_exists(infohash): self.get_download(infohash).stop() self.session.notifier.notify(NTFY_TORRENT, NTFY_ERROR, infohash, repr(ds.get_error())) elif state == DLSTATUS_SEEDING: seeding_download_list.append({ u'infohash': infohash, u'download': download }) if infohash in self.previous_active_downloads: self.session.notifier.notify(NTFY_TORRENT, NTFY_FINISHED, infohash, safename) do_checkpoint = True elif download.get_hops() == 0 and download.get_safe_seeding(): # Re-add the download with anonymity enabled hops = self.session.config.get_default_number_hops() self.update_download_hops(download, hops) # Check the peers of this download every five seconds and add them to the payout manager when # this peer runs a Tribler instance if self.state_cb_count % 5 == 0 and download.get_hops( ) == 0 and self.payout_manager: for peer in download.get_peerlist(): if peer["extended_version"].startswith('Tribler'): self.payout_manager.update_peer( unhexlify(peer["id"]), infohash, peer["dtotal"]) self.previous_active_downloads = new_active_downloads if do_checkpoint: self.session.checkpoint_downloads() if self.state_cb_count % 4 == 0: if self.tunnel_community: self.tunnel_community.monitor_downloads(states_list) if self.credit_mining_manager: self.credit_mining_manager.monitor_downloads(states_list) return [] # # Persistence methods # def load_checkpoint(self): """ Called by any thread """ def do_load_checkpoint(): with self.session_lock: for i, filename in enumerate( iglob( os.path.join( self.session.get_downloads_pstate_dir(), '*.state'))): self.resume_download(filename, setupDelay=i * 0.1) if self.initComplete: do_load_checkpoint() else: self.register_task("load_checkpoint", reactor.callLater(1, do_load_checkpoint)) def load_download_pstate_noexc(self, infohash): """ Called by any thread, assume session_lock already held """ try: basename = hexlify(infohash) + '.state' filename = os.path.join(self.session.get_downloads_pstate_dir(), basename) if os.path.exists(filename): return self.load_download_pstate(filename) else: self._logger.info("%s not found", basename) except Exception: self._logger.exception("Exception while loading pstate: %s", infohash) def resume_download(self, filename, setupDelay=0): tdef = dscfg = pstate = None pstate = self.load_download_pstate(filename) metainfo = pstate.get('state', 'metainfo') if 'infohash' in metainfo: tdef = TorrentDefNoMetainfo(metainfo['infohash'], metainfo['name'], metainfo.get('url', None)) else: tdef = TorrentDef.load_from_dict(metainfo) if pstate.has_option('download_defaults', 'saveas') and \ isinstance(pstate.get('download_defaults', 'saveas'), tuple): pstate.set('download_defaults', 'saveas', pstate.get('download_defaults', 'saveas')[-1]) dscfg = DownloadStartupConfig(pstate) if pstate is not None: has_resume_data = pstate.get('state', 'engineresumedata') is not None self._logger.debug( "tlm: load_checkpoint: resumedata %s", 'len %s ' % len(pstate.get('state', 'engineresumedata')) if has_resume_data else 'None') if tdef and dscfg: if dscfg.get_dest_dir() != '': # removed torrent ignoring try: if self.download_exists(tdef.get_infohash()): self._logger.info( "tlm: not resuming checkpoint because download has already been added" ) elif dscfg.get_credit_mining( ) and not self.session.config.get_credit_mining_enabled(): self._logger.info( "tlm: not resuming checkpoint since token mining is disabled" ) else: self.add(tdef, dscfg, pstate, setupDelay=setupDelay) except Exception as e: self._logger.exception( "tlm: load check_point: exception while adding download %s", tdef) else: self._logger.info("tlm: removing checkpoint %s destdir is %s", filename, dscfg.get_dest_dir()) os.remove(filename) else: self._logger.info("tlm: could not resume checkpoint %s %s %s", filename, tdef, dscfg) def checkpoint_downloads(self): """ Checkpoints all running downloads in Tribler. Even if the list of Downloads changes in the mean time this is no problem. For removals, dllist will still hold a pointer to the download, and additions are no problem (just won't be included in list of states returned via callback). """ downloads = self.downloads.values() deferred_list = [] self._logger.debug("tlm: checkpointing %s downloads", len(downloads)) for download in downloads: deferred_list.append(download.checkpoint()) return DeferredList(deferred_list) def shutdown_downloads(self): """ Shutdown all downloads in Tribler. """ for download in self.downloads.values(): download.stop() def remove_pstate(self, infohash): def do_remove(): if not self.download_exists(infohash): dlpstatedir = self.session.get_downloads_pstate_dir() # Remove checkpoint hexinfohash = hexlify(infohash) try: basename = hexinfohash + '.state' filename = os.path.join(dlpstatedir, basename) self._logger.debug( "remove pstate: removing dlcheckpoint entry %s", filename) if os.access(filename, os.F_OK): os.remove(filename) except: # Show must go on self._logger.exception("Could not remove state") else: self._logger.warning( "remove pstate: download is back, restarted? Canceling removal! %s", repr(infohash)) reactor.callFromThread(do_remove) @inlineCallbacks def early_shutdown(self): """ Called as soon as Session shutdown is initiated. Used to start shutdown tasks that takes some time and that can run in parallel to checkpointing, etc. :returns a Deferred that will fire once all dependencies acknowledge they have shutdown. """ self._logger.info("tlm: early_shutdown") self.shutdown_task_manager() # Note: session_lock not held self.shutdownstarttime = timemod.time() if self.credit_mining_manager: self.session.notify_shutdown_state( "Shutting down Credit Mining...") yield self.credit_mining_manager.shutdown() self.credit_mining_manager = None if self.torrent_checker: self.session.notify_shutdown_state( "Shutting down Torrent Checker...") yield self.torrent_checker.shutdown() self.torrent_checker = None if self.gigachannel_manager: self.session.notify_shutdown_state( "Shutting down Gigachannel Manager...") yield self.gigachannel_manager.shutdown() self.gigachannel_manager = None if self.video_server: self.session.notify_shutdown_state("Shutting down Video Server...") yield self.video_server.shutdown_server() self.video_server = None if self.version_check_manager: self.session.notify_shutdown_state( "Shutting down Version Checker...") self.version_check_manager.stop() self.version_check_manager = None if self.resource_monitor: self.session.notify_shutdown_state( "Shutting down Resource Monitor...") self.resource_monitor.stop() self.resource_monitor = None self.tracker_manager = None if self.tunnel_community and self.trustchain_community: # We unload these overlays manually since the TrustChain has to be unloaded after the tunnel overlay. tunnel_community = self.tunnel_community self.tunnel_community = None self.session.notify_shutdown_state("Unloading Tunnel Community...") yield self.ipv8.unload_overlay(tunnel_community) trustchain_community = self.trustchain_community self.trustchain_community = None self.session.notify_shutdown_state( "Shutting down TrustChain Community...") yield self.ipv8.unload_overlay(trustchain_community) if self.ipv8: self.session.notify_shutdown_state("Shutting down IPv8...") yield self.ipv8.stop(stop_reactor=False) if self.channelcast_db is not None: self.session.notify_shutdown_state( "Shutting down ChannelCast DB...") yield self.channelcast_db.close() self.channelcast_db = None if self.votecast_db is not None: self.session.notify_shutdown_state("Shutting down VoteCast DB...") yield self.votecast_db.close() self.votecast_db = None if self.mypref_db is not None: self.session.notify_shutdown_state( "Shutting down Preference DB...") yield self.mypref_db.close() self.mypref_db = None if self.torrent_db is not None: self.session.notify_shutdown_state("Shutting down Torrent DB...") yield self.torrent_db.close() self.torrent_db = None if self.peer_db is not None: self.session.notify_shutdown_state("Shutting down Peer DB...") yield self.peer_db.close() self.peer_db = None if self.watch_folder is not None: self.session.notify_shutdown_state("Shutting down Watch Folder...") yield self.watch_folder.stop() self.watch_folder = None def network_shutdown(self): try: self._logger.info("tlm: network_shutdown") ts = enumerate_threads() self._logger.info("tlm: Number of threads still running %d", len(ts)) for t in ts: self._logger.info( "tlm: Thread still running=%s, daemon=%s, instance=%s", t.getName(), t.isDaemon(), t) except: print_exc() # Stop network thread self.sessdoneflag.set() # Shutdown libtorrent session after checkpoints have been made if self.ltmgr is not None: self.ltmgr.shutdown() self.ltmgr = None def save_download_pstate(self, infohash, pstate): """ Called by network thread """ self.downloads[infohash].pstate_for_restart = pstate self.register_anonymous_task( "save_pstate", self.downloads[infohash].save_resume_data()) def load_download_pstate(self, filename): """ Called by any thread """ pstate = CallbackConfigParser() pstate.read_file(filename) return pstate
def load_ipv8_overlays(self): if self.session.config.get_testnet(): peer = Peer(self.session.trustchain_testnet_keypair) else: peer = Peer(self.session.trustchain_keypair) discovery_community = DiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) discovery_community.resolve_dns_bootstrap_addresses() self.ipv8.overlays.append(discovery_community) self.ipv8.strategies.append((RandomChurn(discovery_community), -1)) self.ipv8.strategies.append( (PeriodicSimilarity(discovery_community), -1)) self.ipv8.strategies.append((RandomWalk(discovery_community), 20)) # TrustChain Community if self.session.config.get_trustchain_enabled(): from Tribler.pyipv8.ipv8.attestation.trustchain.community import TrustChainCommunity, \ TrustChainTestnetCommunity community_cls = TrustChainTestnetCommunity if self.session.config.get_testnet( ) else TrustChainCommunity self.trustchain_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, working_directory=self.session.config.get_state_dir()) self.ipv8.overlays.append(self.trustchain_community) self.ipv8.strategies.append( (EdgeWalk(self.trustchain_community), 20)) tc_wallet = TrustchainWallet(self.trustchain_community) self.wallets[tc_wallet.get_identifier()] = tc_wallet # DHT Community if self.session.config.get_dht_enabled(): from Tribler.pyipv8.ipv8.dht.discovery import DHTDiscoveryCommunity self.dht_community = DHTDiscoveryCommunity(peer, self.ipv8.endpoint, self.ipv8.network) self.ipv8.overlays.append(self.dht_community) self.ipv8.strategies.append((RandomWalk(self.dht_community), 20)) # Tunnel Community if self.session.config.get_tunnel_community_enabled(): from Tribler.community.triblertunnel.community import TriblerTunnelCommunity, TriblerTunnelTestnetCommunity from Tribler.community.triblertunnel.discovery import GoldenRatioStrategy community_cls = TriblerTunnelTestnetCommunity if self.session.config.get_testnet() else \ TriblerTunnelCommunity random_slots = self.session.config.get_tunnel_community_random_slots( ) competing_slots = self.session.config.get_tunnel_community_competing_slots( ) dht_provider = DHTCommunityProvider( self.dht_community, self.session.config.get_ipv8_port()) settings = TunnelSettings() settings.min_circuits = 3 settings.max_circuits = 10 self.tunnel_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, dht_provider=dht_provider, bandwidth_wallet=self.wallets["MB"], random_slots=random_slots, competing_slots=competing_slots, settings=settings) self.ipv8.overlays.append(self.tunnel_community) self.ipv8.strategies.append( (RandomWalk(self.tunnel_community), 20)) self.ipv8.strategies.append( (GoldenRatioStrategy(self.tunnel_community), -1)) # Market Community if self.session.config.get_market_community_enabled( ) and self.session.config.get_dht_enabled(): from Tribler.community.market.community import MarketCommunity, MarketTestnetCommunity community_cls = MarketTestnetCommunity if self.session.config.get_testnet( ) else MarketCommunity self.market_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, tribler_session=self.session, trustchain=self.trustchain_community, dht=self.dht_community, wallets=self.wallets, working_directory=self.session.config.get_state_dir(), record_transactions=self.session.config. get_record_transactions()) self.ipv8.overlays.append(self.market_community) self.ipv8.strategies.append( (RandomWalk(self.market_community), 20)) # Popular Community if self.session.config.get_popularity_community_enabled(): from Tribler.community.popularity.community import PopularityCommunity self.popularity_community = PopularityCommunity( peer, self.ipv8.endpoint, self.ipv8.network, metadata_store=self.session.lm.mds, session=self.session) self.ipv8.overlays.append(self.popularity_community) self.ipv8.strategies.append( (RandomWalk(self.popularity_community), 20)) self.popularity_community.start() # Gigachannel Community if self.session.config.get_chant_enabled(): from Tribler.community.gigachannel.community import GigaChannelCommunity, GigaChannelTestnetCommunity from Tribler.community.gigachannel.sync_strategy import SyncChannels community_cls = GigaChannelTestnetCommunity if self.session.config.get_testnet( ) else GigaChannelCommunity self.gigachannel_community = community_cls( peer, self.ipv8.endpoint, self.ipv8.network, self.mds, notifier=self.session.notifier) self.ipv8.overlays.append(self.gigachannel_community) self.ipv8.strategies.append( (RandomWalk(self.gigachannel_community), 20)) self.ipv8.strategies.append( (SyncChannels(self.gigachannel_community), 20))