Esempio n. 1
0
 def set_merged_work(merged_url, merged_userpass):
     merged_proxy = jsonrpc.HTTPProxy(
         merged_url,
         dict(Authorization='Basic ' +
              base64.b64encode(merged_userpass)))
     while self.running:
         auxblock = yield deferral.retry(
             'Error while calling merged getauxblock on %s:' %
             (merged_url, ), 30)(merged_proxy.rpc_getauxblock)()
         self.merged_work.set(
             math.merge_dicts(
                 self.merged_work.value, {
                     auxblock['chainid']:
                     dict(
                         hash=int(auxblock['hash'], 16),
                         target='p2pool' if auxblock['target']
                         == 'p2pool' else pack.IntType(256).unpack(
                             auxblock['target'].decode('hex')),
                         merged_proxy=merged_proxy,
                     )
                 }))
         yield deferral.sleep(1)
Esempio n. 2
0
def main(args, net, datadir_path, merged_urls, worker_endpoint):
    try:
        print 'p2pool (version %s)' % (p2pool.__version__,)
        print
        
        @defer.inlineCallbacks
        def connect_p2p():
            # connect to bitcoind over bitcoin-p2p
            print '''Testing bitcoind P2P connection to '%s:%s'...''' % (args.bitcoind_address, args.bitcoind_p2p_port)
            factory = bitcoin_p2p.ClientFactory(net.PARENT)
            reactor.connectTCP(args.bitcoind_address, args.bitcoind_p2p_port, factory)
            def long():
                print '''    ...taking a while. Common reasons for this include all of bitcoind's connection slots being used...'''
            long_dc = reactor.callLater(5, long)
            yield factory.getProtocol() # waits until handshake is successful
            if not long_dc.called: long_dc.cancel()
            print '    ...success!'
            print
            defer.returnValue(factory)
        
        if args.testnet: # establish p2p connection first if testnet so bitcoind can work without connections
            factory = yield connect_p2p()
        
        # connect to bitcoind over JSON-RPC and do initial getmemorypool
        url = '%s://%s:%i/' % ('https' if args.bitcoind_rpc_ssl else 'http', args.bitcoind_address, args.bitcoind_rpc_port)
        print '''Testing bitcoind RPC connection to '%s' with username '%s'...''' % (url, args.bitcoind_rpc_username)
        bitcoind = jsonrpc.HTTPProxy(url, dict(Authorization='Basic ' + base64.b64encode(args.bitcoind_rpc_username + ':' + args.bitcoind_rpc_password)), timeout=30)
        yield helper.check(bitcoind, net, args)
        temp_work = yield helper.getwork(bitcoind)
        
        bitcoind_getinfo_var = variable.Variable(None)
        @defer.inlineCallbacks
        def poll_warnings():
            bitcoind_getinfo_var.set((yield deferral.retry('Error while calling getinfo:')(bitcoind.rpc_getnetworkinfo)()))
        yield poll_warnings()
        deferral.RobustLoopingCall(poll_warnings).start(20*60)
        
        print '    ...success!'
        print '    Current block hash: %x' % (temp_work['previous_block'],)
        print '    Current block height: %i' % (temp_work['height'] - 1,)
        print
        
        if not args.testnet:
            factory = yield connect_p2p()
        
        print 'Determining payout address...'
        pubkeys = keypool()
        if args.pubkey_hash is None and args.address != 'dynamic':
            address_path = os.path.join(datadir_path, 'cached_payout_address')
            
            if os.path.exists(address_path):
                with open(address_path, 'rb') as f:
                    address = f.read().strip('\r\n')
                print '    Loaded cached address: %s...' % (address,)
            else:
                address = None
            
            if address is not None:
                try:
                    res = yield deferral.retry('Error validating cached address:', 5, 1)(lambda: bitcoind.rpc_getaddressinfo(address))()# rpc_validateaddress(address))()
                    if not res['ismine']:
                        print '    Cached address is invalid!'
                        address = None
                    else:
                    # checks address controlled by local bitcoind
                        res = yield deferral.retry('Error validating cached address:', 5)(lambda: bitcoind.rpc_getaddressinfo(address))()
                        if not res['ismine']:
                            print '    Cached address is not controlled by local bitcoind!'
                            address = None
                        # validateaddress DEPRECATION WARNING: Parts of this command have been deprecated and moved to getaddressinfo.
                        # Clients must transition to using getaddressinfo to access this information before upgrading to v0.18.
                        # The following deprecated fields have moved to getaddressinfo and will only be shown here with 
                        # -deprecatedrpc=validateaddress: ismine, iswatchonly, script, hex, pubkeys, sigsrequired, pubkey, addresses, embedded, iscompressed, account, timestamp, hdkeypath, kdmasterkeyid.
                except Exception:
                    print '    Cached address is invalid!'
                    address = None
                                
            if address is None:
                print "    Getting payout address from bitcoind labeled \'p2pool\'..."
                # you should assign label 'p2pool' to Your wallet mining address before
                try:
                    address = yield deferral.retry('Error getting payout address from bitcoind:', 5, 1)(lambda: bitcoind.rpc_getaccountaddress('p2pool'))()
                except Exception:
                    print u"\u001b[31m   Bitcoind has no \'p2pool\' labeled address! Please, specify default payout address! Exiting...\u001b[0m"
                    exit()

                print "    Overwriting cached address from bitcoind \'p2pool\' labeled address"
                with open(address_path, 'wb') as f:
                    f.write(address)

            my_address = address
            print(u'\u001b[32m    ...success! Payout address: %s\u001b[0m' % my_address)
            print()

            pubkeys.addkey({'address': my_address})
        elif args.address != 'dynamic':
            my_address = args.address
            print('    ...success! Payout address: %s' % my_address)
            print()

            pubkeys.addkey({'address': my_address})
        else:
            print '    Entering dynamic address mode.'

            if args.numaddresses < 2:
                print ' ERROR: Can not use fewer than 2 addresses in dynamic mode. Resetting to 2.'
                args.numaddresses = 2
            for i in range(args.numaddresses):
                address = yield deferral.retry('Error getting a dynamic address from bitcoind:', 5)(lambda: bitcoind.rpc_getnewaddress('p2pool'))()
                pubkeys.addkey({'address': address})

            pubkeys.updatestamp(time.time())

            my_address = pubkeys.keys[0]['address']

            for i in range(len(pubkeys.keys)):
                print('    ...payout %d: %s' % (i, pubkeys[i]['address']))
        
        print "Loading shares..."
        shares = {}
        known_verified = set()
        def share_cb(share):
            share.time_seen = 0 # XXX
            shares[share.hash] = share
            if len(shares) % 1000 == 0 and shares:
                print "    %i" % (len(shares),)
        ss = p2pool_data.ShareStore(os.path.join(datadir_path, 'shares.'), net, share_cb, known_verified.add)
        print "    ...done loading %i shares (%i verified)!" % (len(shares), len(known_verified))
        print
        
        
        print 'Initializing work...'
        
        global gnode
        gnode = node = p2pool_node.Node(factory, bitcoind, shares.values(), known_verified, net)
        yield node.start()
        
        for share_hash in shares:
            if share_hash not in node.tracker.items:
                ss.forget_share(share_hash)
        for share_hash in known_verified:
            if share_hash not in node.tracker.verified.items:
                ss.forget_verified_share(share_hash)
        node.tracker.removed.watch(lambda share: ss.forget_share(share.hash))
        node.tracker.verified.removed.watch(lambda share: ss.forget_verified_share(share.hash))
        
        def save_shares():
            for share in node.tracker.get_chain(node.best_share_var.value, min(node.tracker.get_height(node.best_share_var.value), 2*net.CHAIN_LENGTH)):
                ss.add_share(share)
                if share.hash in node.tracker.verified.items:
                    ss.add_verified_hash(share.hash)
        deferral.RobustLoopingCall(save_shares).start(60)

        if len(shares) > net.CHAIN_LENGTH:
            best_share = shares[node.best_share_var.value]
            previous_share = shares[best_share.share_data['previous_share_hash']]
            counts = p2pool_data.get_desired_version_counts(node.tracker, node.tracker.get_nth_parent_hash(previous_share.hash, net.CHAIN_LENGTH*9//10), net.CHAIN_LENGTH//10)
            p2pool_data.update_min_protocol_version(counts, best_share)
        
        print '    ...success!'
        print
        
        
        print 'Joining p2pool network using port %i...' % (args.p2pool_port,)
        
        @defer.inlineCallbacks
        def parse(host):
            port = net.P2P_PORT
            if ':' in host:
                host, port_str = host.split(':')
                port = int(port_str)
            defer.returnValue(((yield reactor.resolve(host)), port))
        
        addrs = {}
        if os.path.exists(os.path.join(datadir_path, 'addrs')):
            try:
                with open(os.path.join(datadir_path, 'addrs'), 'rb') as f:
                    addrs.update(dict((tuple(k), v) for k, v in json.loads(f.read())))
            except:
                print >>sys.stderr, 'error parsing addrs'
        for addr_df in map(parse, net.BOOTSTRAP_ADDRS):
            try:
                addr = yield addr_df
                if addr not in addrs:
                    addrs[addr] = (0, time.time(), time.time())
            except:
                log.err()
        
        connect_addrs = set()
        for addr_df in map(parse, args.p2pool_nodes):
            try:
                connect_addrs.add((yield addr_df))
            except:
                log.err()
        
        node.p2p_node = p2pool_node.P2PNode(node,
            port=args.p2pool_port,
            max_incoming_conns=args.p2pool_conns,
            addr_store=addrs,
            connect_addrs=connect_addrs,
            desired_outgoing_conns=args.p2pool_outgoing_conns,
            advertise_ip=args.advertise_ip,
            external_ip=args.p2pool_external_ip,
        )
        node.p2p_node.start()
        
        def save_addrs():
            with open(os.path.join(datadir_path, 'addrs'), 'wb') as f:
                f.write(json.dumps(node.p2p_node.addr_store.items()))
        deferral.RobustLoopingCall(save_addrs).start(60)
        
        print '    ...success!'
        print
        
        if args.upnp:
            @defer.inlineCallbacks
            def upnp_thread():
                while True:
                    try:
                        is_lan, lan_ip = yield ipdiscover.get_local_ip()
                        if is_lan:
                            pm = yield portmapper.get_port_mapper()
                            yield pm._upnp.add_port_mapping(lan_ip, args.p2pool_port, args.p2pool_port, 'p2pool', 'TCP')
                    except defer.TimeoutError:
                        pass
                    except:
                        if p2pool.DEBUG:
                            log.err(None, 'UPnP error:')
                    yield deferral.sleep(random.expovariate(1/120))
            upnp_thread()
        
        # start listening for workers with a JSON-RPC server
        
        print 'Listening for workers on %r port %i...' % (worker_endpoint[0], worker_endpoint[1])
        
        wb = work.WorkerBridge(node, my_address, args.donation_percentage,
                               merged_urls, args.worker_fee, args, pubkeys,
                               bitcoind, args.share_rate)
        web_root = web.get_web_root(wb, datadir_path, bitcoind_getinfo_var, static_dir=args.web_static)
        caching_wb = worker_interface.CachingWorkerBridge(wb)
        worker_interface.WorkerInterface(caching_wb).attach_to(web_root, get_handler=lambda request: request.redirect('/static/'))
        web_serverfactory = server.Site(web_root)
        
        serverfactory = switchprotocol.FirstByteSwitchFactory({'{': stratum.StratumServerFactory(caching_wb)}, web_serverfactory)
        deferral.retry('Error binding to worker port:', traceback=False)(reactor.listenTCP)(worker_endpoint[1], serverfactory, interface=worker_endpoint[0])
        
        with open(os.path.join(os.path.join(datadir_path, 'ready_flag')), 'wb') as f:
            pass
        
        print '    ...success!'
        print
        
        
        # done!
        print 'Started successfully!'
        print 'Go to http://127.0.0.1:%i/ to view graphs and statistics!' % (worker_endpoint[1],)
        if args.donation_percentage > 1.1:
            print '''Donating %.1f%% of work towards P2Pool's development. Thanks for the tip!''' % (args.donation_percentage,)
        elif args.donation_percentage < .9:
            print '''Donating %.1f%% of work towards P2Pool's development. Please donate to encourage further development of P2Pool!''' % (args.donation_percentage,)
        else:
            print '''Donating %.1f%% of work towards P2Pool's development. Thank you!''' % (args.donation_percentage,)
            print 'You can increase this amount with --give-author argument! (or decrease it, if you must)'
        print
        
        
        if hasattr(signal, 'SIGALRM'):
            signal.signal(signal.SIGALRM, lambda signum, frame: reactor.callFromThread(
                sys.stderr.write, 'Watchdog timer went off at:\n' + ''.join(traceback.format_stack())
            ))
            signal.siginterrupt(signal.SIGALRM, False)
            deferral.RobustLoopingCall(signal.alarm, 30).start(1)
        
        if args.irc_announce:
            from twisted.words.protocols import irc
            class IRCClient(irc.IRCClient):
                nickname = 'p2pool%02i' % (random.randrange(100),)
                channel = net.ANNOUNCE_CHANNEL
                def lineReceived(self, line):
                    if p2pool.DEBUG:
                        print repr(line)
                    irc.IRCClient.lineReceived(self, line)
                def signedOn(self):
                    self.in_channel = False
                    irc.IRCClient.signedOn(self)
                    self.factory.resetDelay()
                    self.join(self.channel)
                    @defer.inlineCallbacks
                    def new_share(share):
                        if not self.in_channel:
                            return
                        if share.pow_hash <= share.header['bits'].target and abs(share.timestamp - time.time()) < 10*60:
                            yield deferral.sleep(random.expovariate(1/60))
                            message = '\x02%s BLOCK FOUND by %s! %s%064x' % (
                                    net.NAME.upper(),
                                    bitcoin_data.script2_to_address(
                                        share.new_script, net.ADDRESS_VERSION,
                                        -1, net.PARENT) if
                                            share.VERSION < 34 else
                                                share.address,
                                    net.PARENT.BLOCK_EXPLORER_URL_PREFIX,
                                    share.header_hash)
                            if all('%x' % (share.header_hash,) not in old_message for old_message in self.recent_messages):
                                self.say(self.channel, message)
                                self._remember_message(message)
                    self.watch_id = node.tracker.verified.added.watch(new_share)
                    self.recent_messages = []
                def joined(self, channel):
                    self.in_channel = True
                def left(self, channel):
                    self.in_channel = False
                def _remember_message(self, message):
                    self.recent_messages.append(message)
                    while len(self.recent_messages) > 100:
                        self.recent_messages.pop(0)
                def privmsg(self, user, channel, message):
                    if channel == self.channel:
                        self._remember_message(message)
                def connectionLost(self, reason):
                    node.tracker.verified.added.unwatch(self.watch_id)
                    print 'IRC connection lost:', reason.getErrorMessage()
            class IRCClientFactory(protocol.ReconnectingClientFactory):
                protocol = IRCClient
            reactor.connectTCP("irc.freenode.net", 6667, IRCClientFactory(), bindAddress=(worker_endpoint[0], 0))
        
        @defer.inlineCallbacks
        def status_thread():
            last_str = None
            last_time = 0
            while True:
                yield deferral.sleep(30)
                try:
                    height = node.tracker.get_height(node.best_share_var.value)
                    this_str = 'P2Pool: %i shares in chain (%i verified/%i total) Peers: %i (%i incoming)' % (
                        height,
                        len(node.tracker.verified.items),
                        len(node.tracker.items),
                        len(node.p2p_node.peers),
                        sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming),
                    ) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '')
                    
                    datums, dt = wb.local_rate_monitor.get_datums_in_last()
                    my_att_s = sum(datum['work']/dt for datum in datums)
                    my_shares_per_s = sum(datum['work']/dt/bitcoin_data.target_to_average_attempts(datum['share_target']) for datum in datums)
                    this_str += '\n Local: %sH/s in last %s Local dead on arrival: %s Expected time to share: %s' % (
                        math.format(int(my_att_s)),
                        math.format_dt(dt),
                        math.format_binomial_conf(sum(1 for datum in datums if datum['dead']), len(datums), 0.95),
                        math.format_dt(1/my_shares_per_s) if my_shares_per_s else '???',
                    )
                    
                    if height > 2:
                        (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts()
                        stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, min(60*60//net.SHARE_PERIOD, height))
                        real_att_s = p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, min(height - 1, 60*60//net.SHARE_PERIOD)) / (1 - stale_prop)
                        
                        paystr = ''
                        paytot = 0.0
                        for i in range(len(pubkeys.keys)):
                            curtot = node.get_current_txouts().get(
                                    pubkeys.keys[i]['address'], 0)
                            paytot += curtot*1e-8
                            paystr += "(%.4f)" % (curtot*1e-8,)
                        paystr += "=%.4f" % (paytot,)
                        this_str += '\n Shares: %i (%i orphan, %i dead) Stale rate: %s Efficiency: %s Current payout: %s %s' % (
                            shares, stale_orphan_shares, stale_doa_shares,
                            math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95),
                            math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95, lambda x: (1 - x)/(1 - stale_prop)),
                            paystr, net.PARENT.SYMBOL,
                        )
                        this_str += '\n Pool: %sH/s Stale rate: %.1f%% Expected time to block: %s' % (
                            math.format(int(real_att_s)),
                            100*stale_prop,
                            math.format_dt(2**256 / node.bitcoind_work.value['bits'].target / real_att_s),
                        )
                        
                        for warning in p2pool_data.get_warnings(node.tracker, node.best_share_var.value, net, bitcoind_getinfo_var.value, node.bitcoind_work.value):
                            print >>sys.stderr, '#'*40
                            print >>sys.stderr, '>>> Warning: ' + warning
                            print >>sys.stderr, '#'*40
                        
                        if gc.garbage:
                            print '%i pieces of uncollectable cyclic garbage! Types: %r' % (len(gc.garbage), map(type, gc.garbage))
                    
                    if this_str != last_str or time.time() > last_time + 15:
                        print this_str
                        last_str = this_str
                        last_time = time.time()
                except:
                    log.err()
        status_thread()
    except:
        reactor.stop()
        log.err(None, 'Fatal error:')
Esempio n. 3
0
def main(args, net, datadir_path, merged_urls, worker_endpoint):
    try:
        print 'p2pool (version %s)' % (p2pool.__version__,)
        print
        
        @defer.inlineCallbacks
        def connect_p2p():
            # connect to bitcoind over bitcoin-p2p
            print '''Testing bitcoind P2P connection to '%s:%s'...''' % (args.bitcoind_address, args.bitcoind_p2p_port)
            factory = bitcoin_p2p.ClientFactory(net.PARENT)
            reactor.connectTCP(args.bitcoind_address, args.bitcoind_p2p_port, factory)
            yield factory.getProtocol() # waits until handshake is successful
            print '    ...success!'
            print
            defer.returnValue(factory)
        
        if args.testnet: # establish p2p connection first if testnet so bitcoind can work without connections
            factory = yield connect_p2p()
        
        # connect to bitcoind over JSON-RPC and do initial getmemorypool
        url = '%s://%s:%i/' % ('https' if args.bitcoind_rpc_ssl else 'http', args.bitcoind_address, args.bitcoind_rpc_port)
        print '''Testing bitcoind RPC connection to '%s' with username '%s'...''' % (url, args.bitcoind_rpc_username)
        bitcoind = jsonrpc.HTTPProxy(url, dict(Authorization='Basic ' + base64.b64encode(args.bitcoind_rpc_username + ':' + args.bitcoind_rpc_password)), timeout=30)
        yield helper.check(bitcoind, net)
        temp_work = yield helper.getwork(bitcoind)
        
        bitcoind_warning_var = variable.Variable(None)
        @defer.inlineCallbacks
        def poll_warnings():
            errors = (yield deferral.retry('Error while calling getmininginfo:')(bitcoind.rpc_getmininginfo)())['errors']
            bitcoind_warning_var.set(errors if errors != '' else None)
        yield poll_warnings()
        task.LoopingCall(poll_warnings).start(20*60)
        
        print '    ...success!'
        print '    Current block hash: %x' % (temp_work['previous_block'],)
        print '    Current block height: %i' % (temp_work['height'] - 1,)
        print
        
        if not args.testnet:
            factory = yield connect_p2p()
        
        print 'Determining payout address...'
        pubkey_path = os.path.join(datadir_path, 'cached_payout_pubkey')
        
        if os.path.exists(pubkey_path):
            with open(pubkey_path, 'rb') as f:
                pubkey = f.read().strip('\r\n')
            print '    Loaded cached pubkey, payout address: %s...' % (bitcoin_data.pubkey_to_address(pubkey.decode('hex'), net.PARENT),)
        else:
            pubkey = None

        if pubkey is not None:
                res = yield deferral.retry('Error validating cached pubkey:', 5)(lambda: bitcoind.rpc_validatepubkey(pubkey))()
                if not res['isvalid'] or not res['ismine']:
                    print '    Cached pubkey is either invalid or not controlled by local bitcoind!'
                    address = None

        if pubkey is None:
            print '    Getting payout pubkey from bitcoind...'
            pubkey = yield deferral.retry('Error getting payout pubkey from bitcoind:', 5)(lambda: bitcoind.rpc_getnewpubkey('p2pool'))()
            
            with open(pubkey_path, 'wb') as f:
                f.write(pubkey)

        my_pubkey = pubkey.decode('hex')

        address = bitcoin_data.pubkey_to_address(my_pubkey, net.PARENT)

        my_pubkey_hash = bitcoin_data.address_to_pubkey_hash(address, net.PARENT)
        print '    ...success! Payout address:', bitcoin_data.pubkey_hash_to_address(my_pubkey_hash, net.PARENT)
        print
        
        ss = p2pool_data.ShareStore(os.path.join(datadir_path, 'shares.'), net)
        shares = {}
        known_verified = set()
        print "Loading shares..."
        for i, (mode, contents) in enumerate(ss.get_shares()):
            if mode == 'share':
                contents.time_seen = 0
                shares[contents.hash] = contents
                if len(shares) % 1000 == 0 and shares:
                    print "    %i" % (len(shares),)
            elif mode == 'verified_hash':
                known_verified.add(contents)
            else:
                raise AssertionError()
        print "    ...done loading %i shares (%i verified)!" % (len(shares), len(known_verified))
        print
        
        
        print 'Initializing work...'
        
        node = p2pool_node.Node(factory, bitcoind, shares.values(), known_verified, net)
        yield node.start()
        
        for share_hash in shares:
            if share_hash not in node.tracker.items:
                ss.forget_share(share_hash)
        for share_hash in known_verified:
            if share_hash not in node.tracker.verified.items:
                ss.forget_verified_share(share_hash)
        del shares, known_verified
        node.tracker.removed.watch(lambda share: ss.forget_share(share.hash))
        node.tracker.verified.removed.watch(lambda share: ss.forget_verified_share(share.hash))
        
        def save_shares():
            for share in node.tracker.get_chain(node.best_share_var.value, min(node.tracker.get_height(node.best_share_var.value), 2*net.CHAIN_LENGTH)):
                ss.add_share(share)
                if share.hash in node.tracker.verified.items:
                    ss.add_verified_hash(share.hash)
        task.LoopingCall(save_shares).start(60)
        
        print '    ...success!'
        print
        
        
        print 'Joining p2pool network using port %i...' % (args.p2pool_port,)
        
        @defer.inlineCallbacks
        def parse(x):
            if ':' in x:
                ip, port = x.split(':')
                defer.returnValue(((yield reactor.resolve(ip)), int(port)))
            else:
                defer.returnValue(((yield reactor.resolve(x)), net.P2P_PORT))
        
        addrs = {}
        if os.path.exists(os.path.join(datadir_path, 'addrs')):
            try:
                with open(os.path.join(datadir_path, 'addrs'), 'rb') as f:
                    addrs.update(dict((tuple(k), v) for k, v in json.loads(f.read())))
            except:
                print >>sys.stderr, 'error parsing addrs'
        for addr_df in map(parse, net.BOOTSTRAP_ADDRS):
            try:
                addr = yield addr_df
                if addr not in addrs:
                    addrs[addr] = (0, time.time(), time.time())
            except:
                log.err()
        
        connect_addrs = set()
        for addr_df in map(parse, args.p2pool_nodes):
            try:
                connect_addrs.add((yield addr_df))
            except:
                log.err()
        
        node.p2p_node = p2pool_node.P2PNode(node,
            port=args.p2pool_port,
            max_incoming_conns=args.p2pool_conns,
            addr_store=addrs,
            connect_addrs=connect_addrs,
            desired_outgoing_conns=args.p2pool_outgoing_conns,
        )
        node.p2p_node.start()
        
        def save_addrs():
            with open(os.path.join(datadir_path, 'addrs'), 'wb') as f:
                f.write(json.dumps(node.p2p_node.addr_store.items()))
        task.LoopingCall(save_addrs).start(60)
        
        print '    ...success!'
        print
        
        if args.upnp:
            @defer.inlineCallbacks
            def upnp_thread():
                while True:
                    try:
                        is_lan, lan_ip = yield ipdiscover.get_local_ip()
                        if is_lan:
                            pm = yield portmapper.get_port_mapper()
                            yield pm._upnp.add_port_mapping(lan_ip, args.p2pool_port, args.p2pool_port, 'p2pool', 'TCP')
                    except defer.TimeoutError:
                        pass
                    except:
                        if p2pool.DEBUG:
                            log.err(None, 'UPnP error:')
                    yield deferral.sleep(random.expovariate(1/120))
            upnp_thread()
        
        # start listening for workers with a JSON-RPC server
        
        print 'Listening for workers on %r port %i...' % (worker_endpoint[0], worker_endpoint[1])
        
        wb = work.WorkerBridge(node, my_pubkey, args.donation_percentage, merged_urls, args.worker_fee)
        web_root = web.get_web_root(wb, datadir_path, bitcoind_warning_var)
        caching_wb = worker_interface.CachingWorkerBridge(wb)
        worker_interface.WorkerInterface(caching_wb).attach_to(web_root, get_handler=lambda request: request.redirect('/static/'))
        web_serverfactory = server.Site(web_root)
        
        
        serverfactory = switchprotocol.FirstByteSwitchFactory({'{': stratum.StratumServerFactory(caching_wb)}, web_serverfactory)
        deferral.retry('Error binding to worker port:', traceback=False)(reactor.listenTCP)(worker_endpoint[1], serverfactory, interface=worker_endpoint[0])
        
        with open(os.path.join(os.path.join(datadir_path, 'ready_flag')), 'wb') as f:
            pass
        
        print '    ...success!'
        print
        
        
        # done!
        print 'Started successfully!'
        print 'Go to http://127.0.0.1:%i/ to view graphs and statistics!' % (worker_endpoint[1],)
        if args.donation_percentage > 1.1:
            print '''Donating %.1f%% of work towards P2Pool's development. Thanks for the tip!''' % (args.donation_percentage,)
        elif args.donation_percentage < .9:
            print '''Donating %.1f%% of work towards P2Pool's development. Please donate to encourage further development of P2Pool!''' % (args.donation_percentage,)
        else:
            print '''Donating %.1f%% of work towards P2Pool's development. Thank you!''' % (args.donation_percentage,)
            print 'You can increase this amount with --give-author argument! (or decrease it, if you must)'
        print
        
        
        if hasattr(signal, 'SIGALRM'):
            signal.signal(signal.SIGALRM, lambda signum, frame: reactor.callFromThread(
                sys.stderr.write, 'Watchdog timer went off at:\n' + ''.join(traceback.format_stack())
            ))
            signal.siginterrupt(signal.SIGALRM, False)
            task.LoopingCall(signal.alarm, 30).start(1)
        
        if args.irc_announce:
            from twisted.words.protocols import irc
            class IRCClient(irc.IRCClient):
                nickname = 'p2pool%02i' % (random.randrange(100),)
                channel = net.ANNOUNCE_CHANNEL
                def lineReceived(self, line):
                    if p2pool.DEBUG:
                        print repr(line)
                    irc.IRCClient.lineReceived(self, line)
                def signedOn(self):
                    self.in_channel = False
                    irc.IRCClient.signedOn(self)
                    self.factory.resetDelay()
                    self.join(self.channel)
                    @defer.inlineCallbacks
                    def new_share(share):
                        if not self.in_channel:
                            return
                        if share.pow_hash <= share.header['bits'].target and abs(share.timestamp - time.time()) < 10*60:
                            yield deferral.sleep(random.expovariate(1/60))
                            message = '\x02%s BLOCK FOUND by %s! %s%064x' % (net.NAME.upper(), bitcoin_data.script2_to_address(share.new_script, net.PARENT), net.PARENT.BLOCK_EXPLORER_URL_PREFIX, share.header_hash)
                            if all('%x' % (share.header_hash,) not in old_message for old_message in self.recent_messages):
                                self.say(self.channel, message)
                                self._remember_message(message)
                    self.watch_id = node.tracker.verified.added.watch(new_share)
                    self.recent_messages = []
                def joined(self, channel):
                    self.in_channel = True
                def left(self, channel):
                    self.in_channel = False
                def _remember_message(self, message):
                    self.recent_messages.append(message)
                    while len(self.recent_messages) > 100:
                        self.recent_messages.pop(0)
                def privmsg(self, user, channel, message):
                    if channel == self.channel:
                        self._remember_message(message)
                def connectionLost(self, reason):
                    node.tracker.verified.added.unwatch(self.watch_id)
                    print 'IRC connection lost:', reason.getErrorMessage()
            class IRCClientFactory(protocol.ReconnectingClientFactory):
                protocol = IRCClient
            reactor.connectTCP("irc.freenode.net", 6667, IRCClientFactory())
        
        @defer.inlineCallbacks
        def status_thread():
            last_str = None
            last_time = 0
            while True:
                yield deferral.sleep(3)
                try:
                    height = node.tracker.get_height(node.best_share_var.value)
                    this_str = 'P2Pool: %i shares in chain (%i verified/%i total) Peers: %i (%i incoming)' % (
                        height,
                        len(node.tracker.verified.items),
                        len(node.tracker.items),
                        len(node.p2p_node.peers),
                        sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming),
                    ) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '')
                    
                    datums, dt = wb.local_rate_monitor.get_datums_in_last()
                    my_att_s = sum(datum['work']/dt for datum in datums)
                    this_str += '\n Local: %sH/s in last %s Local dead on arrival: %s Expected time to share: %s' % (
                        math.format(int(my_att_s)),
                        math.format_dt(dt),
                        math.format_binomial_conf(sum(1 for datum in datums if datum['dead']), len(datums), 0.95),
                        math.format_dt(2**256 / node.tracker.items[node.best_share_var.value].max_target / my_att_s) if my_att_s and node.best_share_var.value else '???',
                    )
                    
                    if height > 2:
                        (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts()
                        stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, min(60*60//net.SHARE_PERIOD, height))
                        real_att_s = p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, min(height - 1, 60*60//net.SHARE_PERIOD)) / (1 - stale_prop)
                        
                        this_str += '\n Shares: %i (%i orphan, %i dead) Stale rate: %s Efficiency: %s Current payout: %.4f %s' % (
                            shares, stale_orphan_shares, stale_doa_shares,
                            math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95),
                            math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95, lambda x: (1 - x)/(1 - stale_prop)),
                            node.get_current_txouts().get(bitcoin_data.pubkey_to_script2(my_pubkey), 0) * 1e-6, net.PARENT.SYMBOL,
                        )
                        this_str += '\n Pool: %sH/s Stale rate: %.1f%% Expected time to block: %s' % (
                            math.format(int(real_att_s)),
                            100*stale_prop,
                            math.format_dt(2**256 / node.bitcoind_work.value['bits'].target / real_att_s),
                        )
                        
                        for warning in p2pool_data.get_warnings(node.tracker, node.best_share_var.value, net, bitcoind_warning_var.value, node.bitcoind_work.value):
                            print >>sys.stderr, '#'*40
                            print >>sys.stderr, '>>> Warning: ' + warning
                            print >>sys.stderr, '#'*40
                        
                        if gc.garbage:
                            print '%i pieces of uncollectable cyclic garbage! Types: %r' % (len(gc.garbage), map(type, gc.garbage))
                    
                    if this_str != last_str or time.time() > last_time + 15:
                        print this_str
                        last_str = this_str
                        last_time = time.time()
                except:
                    log.err()
        status_thread()
    except:
        reactor.stop()
        log.err(None, 'Fatal error:')
Esempio n. 4
0
def main(args, net, datadir_path, worker_endpoint):
    try:
        print 'p2pool (version %s)' % (p2pool.__version__, )
        print

        @defer.inlineCallbacks
        def connect_p2p():  # TODO: fix unknown type no type for 'getminings'
            # connect to dcrd over decred-p2p
            print '''Testing dcrd P2P connection to '%s:%s'...''' % (
                args.dcrd_address, args.dcrd_p2p_port)
            factory = decred_p2p.ClientFactory(net.PARENT)
            reactor.connectTCP(args.dcrd_address, args.dcrd_p2p_port, factory)

            def long():
                print '''    ...taking a while. Common reasons for this include all of dcrd's connection slots being used...'''

            long_dc = reactor.callLater(5, long)
            yield factory.getProtocol()  # waits until handshake is successful
            if not long_dc.called: long_dc.cancel()
            print '    ...success!'
            print
            defer.returnValue(factory)

        if args.testnet:  # establish p2p connection first if testnet so dcrd can work without connections
            factory = yield connect_p2p()

        # connect to dcrd over JSON-RPC and do initial getmemorypool
        url = '%s://%s:%i/' % ('http' if args.dcrd_no_rpc_ssl else 'https',
                               args.dcrd_address, args.dcrd_rpc_port)
        print '''Testing dcrd RPC connection to '%s' with username '%s'...''' % (
            url, args.dcrd_rpc_username)
        dcrd = jsonrpc.HTTPProxy(
            url,
            dict(Authorization='Basic ' +
                 base64.b64encode(args.dcrd_rpc_username + ':' +
                                  args.dcrd_rpc_password)),
            timeout=30)
        yield helper.check(dcrd, net)

        temp_work = yield helper.getwork(dcrd)

        dcrd_getinfo_var = variable.Variable(None)

        @defer.inlineCallbacks
        def poll_warnings():
            dcrd_getinfo_var.set(
                (yield deferral.retry('Error while calling getinfo:')(
                    dcrd.rpc_getinfo)()))

        yield poll_warnings()
        deferral.RobustLoopingCall(poll_warnings).start(20 * 60)

        print '    ...success!'
        print '    Current block hash: {0:x}'.format(
            temp_work['previous_block'])
        print '    Current block height: {}'.format(temp_work['height'] - 1)
        print

        if not args.testnet:
            factory = yield connect_p2p()

        if args.pubkey_hash is None:
            #
            # Connect to locally running dcrwallet instance
            #
            # - TODO: find out if we use any other wallet api's apart from the 'getaccountaddress' below.
            #   If not we can:
            #    - make this self contained then remove the connection
            #      OR
            #    - remove all wallet connection logic and demand an address on the commandline
            #
            # wallet separate
            # 9111/19111
            walleturl = '%s://%s:%i/' % ('http' if args.dcrd_no_rpc_ssl else
                                         'https', args.dcrd_address,
                                         args.dcrd_rpc_wallet_port)
            print '''Testing dcrdwallet RPC connection to '%s' with username '%s'...''' % (
                walleturl, args.dcrd_rpc_username)
            dcrwallet = jsonrpc.HTTPProxy(
                walleturl,
                dict(Authorization='Basic ' +
                     base64.b64encode(args.dcrd_rpc_username + ':' +
                                      args.dcrd_rpc_password)),
                timeout=30)
            wallet_online = yield helper.checkwallet(dcrwallet, net)

        print 'Determining payout address...'
        pubkeys = keypool()
        if args.pubkey_hash is None:
            address_path = os.path.join(datadir_path, 'cached_payout_address')

            if os.path.exists(address_path):
                with open(address_path, 'rb') as f:
                    address = f.read().strip('\r\n')
                print '    Loaded cached address: %s...' % (address, )
            else:
                address = None

            if address is None and wallet_online:
                print '    Getting payout address from local dcrwallet...not a great idea...'
                address = yield deferral.retry('Error getting payout address from local dcrwallet:', 5) \
                                                (lambda: dcrwallet.rpc_getaccountaddress('default'))()
                with open(address_path, 'wb') as f:
                    f.write(address)

            if address is None:
                raise Exception('Failed to get an address from local wallet')

            my_pubkey_hash = decred_addr.address_to_pubkey_hash(
                address, net.PARENT)

            pubkeys.addkey(my_pubkey_hash)

            print '    ...success! Payout address:', address, 'pubkey hash', my_pubkey_hash
            print

        else:
            my_pubkey_hash = args.pubkey_hash
            print '    ...success! Payout address:', decred_addr.pubkey_hash_to_address(
                my_pubkey_hash, net.PARENT)
            print
            pubkeys.addkey(my_pubkey_hash)

        print "Loading shares..."
        shares = {}
        known_verified = set()

        def share_cb(share):
            share.time_seen = 0  # XXX
            shares[share.hash] = share
            if len(shares) % 1000 == 0 and shares:
                print "    %i" % (len(shares), )

        ss = p2pool_data.ShareStore(os.path.join(datadir_path, 'shares.'), net,
                                    share_cb, known_verified.add)
        print "    ...done loading %i shares (%i verified)!" % (
            len(shares), len(known_verified))
        print

        print 'Initializing work...'

        node = p2pool_node.Node(factory, dcrd, shares.values(), known_verified,
                                net)
        yield node.start()

        for share_hash in shares:
            if share_hash not in node.tracker.items:
                ss.forget_share(share_hash)
        for share_hash in known_verified:
            if share_hash not in node.tracker.verified.items:
                ss.forget_verified_share(share_hash)
        node.tracker.removed.watch(lambda share: ss.forget_share(share.hash))
        node.tracker.verified.removed.watch(
            lambda share: ss.forget_verified_share(share.hash))

        def save_shares():
            for share in node.tracker.get_chain(
                    node.best_share_var.value,
                    min(node.tracker.get_height(node.best_share_var.value),
                        2 * net.CHAIN_LENGTH)):
                ss.add_share(share)
                if share.hash in node.tracker.verified.items:
                    ss.add_verified_hash(share.hash)

        deferral.RobustLoopingCall(save_shares).start(60)

        print '    ...success!'
        print

        print 'Joining p2pool network using port %i...' % (args.p2pool_port, )

        @defer.inlineCallbacks
        def parse(host):
            port = net.P2P_PORT
            if ':' in host:
                host, port_str = host.split(':')
                port = int(port_str)
            defer.returnValue(((yield reactor.resolve(host)), port))

        addrs = {}
        if os.path.exists(os.path.join(datadir_path, 'addrs')):
            try:
                with open(os.path.join(datadir_path, 'addrs'), 'rb') as f:
                    addrs.update(
                        dict((tuple(k), v) for k, v in json.loads(f.read())))
            except:
                print >> sys.stderr, 'error parsing addrs'
        for addr_df in map(parse, net.BOOTSTRAP_ADDRS):
            try:
                addr = yield addr_df
                if addr not in addrs:
                    addrs[addr] = (0, time.time(), time.time())
            except:
                log.err()

        connect_addrs = set()
        for addr_df in map(parse, args.p2pool_nodes):
            try:
                connect_addrs.add((yield addr_df))
            except:
                log.err()

        node.p2p_node = p2pool_node.P2PNode(
            node,
            port=args.p2pool_port,
            max_incoming_conns=args.p2pool_conns,
            addr_store=addrs,
            connect_addrs=connect_addrs,
            desired_outgoing_conns=args.p2pool_outgoing_conns,
            advertise_ip=args.advertise_ip,
            external_ip=args.p2pool_external_ip,
        )
        node.p2p_node.start()

        def save_addrs():
            with open(os.path.join(datadir_path, 'addrs'), 'wb') as f:
                f.write(json.dumps(node.p2p_node.addr_store.items()))

        deferral.RobustLoopingCall(save_addrs).start(60)

        print '    ...success!'
        print

        if args.upnp:

            @defer.inlineCallbacks
            def upnp_thread():
                while True:
                    try:
                        is_lan, lan_ip = yield ipdiscover.get_local_ip()
                        if is_lan:
                            pm = yield portmapper.get_port_mapper()
                            yield pm._upnp.add_port_mapping(
                                lan_ip, args.p2pool_port, args.p2pool_port,
                                'p2pool', 'TCP')
                    except defer.TimeoutError:
                        pass
                    except:
                        if p2pool.DEBUG:
                            log.err(None, 'UPnP error:')
                    yield deferral.sleep(random.expovariate(1 / 120))

            upnp_thread()

        # start listening for workers with a JSON-RPC server

        print 'Listening for workers on %r port %i...' % (worker_endpoint[0],
                                                          worker_endpoint[1])

        wb = work.WorkerBridge(node, my_pubkey_hash, args.donation_percentage,
                               args.worker_fee, args, pubkeys, dcrd)
        web_root = web.get_web_root(wb, datadir_path, dcrd_getinfo_var)
        caching_wb = worker_interface.CachingWorkerBridge(wb)
        worker_interface.WorkerInterface(caching_wb).attach_to(
            web_root, get_handler=lambda request: request.redirect('/static/'))
        web_serverfactory = server.Site(web_root)

        serverfactory = switchprotocol.FirstByteSwitchFactory(
            {'{': stratum.StratumServerFactory(caching_wb)}, web_serverfactory)
        deferral.retry('Error binding to worker port:', traceback=False)(
            reactor.listenTCP)(worker_endpoint[1],
                               serverfactory,
                               interface=worker_endpoint[0])

        with open(os.path.join(os.path.join(datadir_path, 'ready_flag')),
                  'wb') as f:
            pass

        print '    ...success!'
        print

        # done!
        print 'Started successfully!'
        print 'Go to http://127.0.0.1:%i/ to view graphs and statistics!' % (
            worker_endpoint[1], )
        if args.donation_percentage > 1.1:
            print '''Donating %.1f%% of work towards P2Pool's development. Thanks for the tip!''' % (
                args.donation_percentage, )
        elif args.donation_percentage < .9:
            print '''Donating %.1f%% of work towards P2Pool's development. Please donate to encourage further development of P2Pool!''' % (
                args.donation_percentage, )
        else:
            print '''Donating %.1f%% of work towards P2Pool's development. Thank you!''' % (
                args.donation_percentage, )
            print 'You can increase this amount with --give-author argument! (or decrease it, if you must)'
        print

        if hasattr(signal, 'SIGALRM'):
            signal.signal(
                signal.SIGALRM, lambda signum, frame: reactor.callFromThread(
                    sys.stderr.write, 'Watchdog timer went off at:\n' + ''.
                    join(traceback.format_stack())))
            signal.siginterrupt(signal.SIGALRM, False)
            deferral.RobustLoopingCall(signal.alarm, 30).start(1)


#         if args.irc_announce:
#             from twisted.words.protocols import irc
#             class IRCClient(irc.IRCClient):
#                 nickname = 'p2pool%02i' % (random.randrange(100),)
#                 channel = net.ANNOUNCE_CHANNEL
#                 def lineReceived(self, line):
#                     if p2pool.DEBUG:
#                         print repr(line)
#                     irc.IRCClient.lineReceived(self, line)
#                 def signedOn(self):
#                     self.in_channel = False
#                     irc.IRCClient.signedOn(self)
#                     self.factory.resetDelay()
#                     self.join(self.channel)
#                     @defer.inlineCallbacks
#                     def new_share(share):
#                         if not self.in_channel:
#                             return
#                         if share.pow_hash <= share.header['bits'].target and abs(share.timestamp - time.time()) < 10*60:
#                             yield deferral.sleep(random.expovariate(1/60))
#                             message = '\x02%s BLOCK FOUND by %s! %s%064x' % (net.NAME.upper(), decred_addr.script2_to_address(share.new_script, net.PARENT), net.PARENT.BLOCK_EXPLORER_URL_PREFIX, share.header_hash)
#                             if all('%x' % (share.header_hash,) not in old_message for old_message in self.recent_messages):
#                                 self.say(self.channel, message)
#                                 self._remember_message(message)
#                     self.watch_id = node.tracker.verified.added.watch(new_share)
#                     self.recent_messages = []
#                 def joined(self, channel):
#                     self.in_channel = True
#                 def left(self, channel):
#                     self.in_channel = False
#                 def _remember_message(self, message):
#                     self.recent_messages.append(message)
#                     while len(self.recent_messages) > 100:
#                         self.recent_messages.pop(0)
#                 def privmsg(self, user, channel, message):
#                     if channel == self.channel:
#                         self._remember_message(message)
#                 def connectionLost(self, reason):
#                     node.tracker.verified.added.unwatch(self.watch_id)
#                     print 'IRC connection lost:', reason.getErrorMessage()
#             class IRCClientFactory(protocol.ReconnectingClientFactory):
#                 protocol = IRCClient
#             reactor.connectTCP("irc.freenode.net", 6667, IRCClientFactory(), bindAddress=(worker_endpoint[0], 0))

        @defer.inlineCallbacks
        def status_thread():
            last_str = None
            last_time = 0
            while True:
                yield deferral.sleep(3)
                try:
                    height = node.tracker.get_height(node.best_share_var.value)
                    this_str = 'P2Pool: %i shares in chain (%i verified/%i total) Peers: %i (%i incoming)' % (
                        height,
                        len(node.tracker.verified.items),
                        len(node.tracker.items),
                        len(node.p2p_node.peers),
                        sum(1 for peer in node.p2p_node.peers.itervalues()
                            if peer.incoming),
                    ) + (' FDs: %i R/%i W' %
                         (len(reactor.getReaders()), len(reactor.getWriters()))
                         if p2pool.DEBUG else '')

                    datums, dt = wb.local_rate_monitor.get_datums_in_last()
                    my_att_s = sum(datum['work'] / dt for datum in datums)
                    my_shares_per_s = sum(
                        datum['work'] / dt /
                        decred_data.target_to_average_attempts(
                            datum['share_target']) for datum in datums)
                    this_str += '\n Local: %sH/s in last %s Local dead on arrival: %s Expected time to share: %s' % (
                        math.format(int(my_att_s)),
                        math.format_dt(dt),
                        math.format_binomial_conf(
                            sum(1 for datum in datums if datum['dead']),
                            len(datums), 0.95),
                        math.format_dt(1 / my_shares_per_s)
                        if my_shares_per_s else '???',
                    )

                    if height > 2:
                        (stale_orphan_shares,
                         stale_doa_shares), shares, _ = wb.get_stale_counts()
                        stale_prop = p2pool_data.get_average_stale_prop(
                            node.tracker, node.best_share_var.value,
                            min(60 * 60 // net.SHARE_PERIOD, height))
                        real_att_s = p2pool_data.get_pool_attempts_per_second(
                            node.tracker, node.best_share_var.value,
                            min(height - 1, 60 * 60 //
                                net.SHARE_PERIOD)) / (1 - stale_prop)

                        paystr = ''
                        paytot = 0.0
                        for i in range(len(pubkeys.keys)):
                            curtot = node.get_current_txouts().get(
                                decred_addr.pubkey_hash_to_script2(
                                    pubkeys.keys[i]), 0)
                            paytot += curtot * 1e-8
                            paystr += "(%.4f)" % (curtot * 1e-8, )
                        paystr += "=%.4f" % (paytot, )
                        this_str += '\n Shares: %i (%i orphan, %i dead) Stale rate: %s Efficiency: %s Current payout: %s %s' % (
                            shares,
                            stale_orphan_shares,
                            stale_doa_shares,
                            math.format_binomial_conf(
                                stale_orphan_shares + stale_doa_shares, shares,
                                0.95),
                            math.format_binomial_conf(
                                stale_orphan_shares + stale_doa_shares, shares,
                                0.95, lambda x: (1 - x) / (1 - stale_prop)),
                            paystr,
                            net.PARENT.SYMBOL,
                        )
                        this_str += '\n Pool: %sH/s Stale rate: %.1f%% Expected time to block: %s' % (
                            math.format(int(real_att_s)),
                            100 * stale_prop,
                            math.format_dt(
                                2**256 / node.dcrd_work.value['bits'].target /
                                real_att_s),
                        )

                        for warning in p2pool_data.get_warnings(
                                node.tracker, node.best_share_var.value, net,
                                dcrd_getinfo_var.value, node.dcrd_work.value):
                            print >> sys.stderr, '#' * 40
                            print >> sys.stderr, '>>> Warning: ' + warning
                            print >> sys.stderr, '#' * 40

                        if gc.garbage:
                            print '%i pieces of uncollectable cyclic garbage! Types: %r' % (
                                len(gc.garbage), map(type, gc.garbage))

                    if this_str != last_str or time.time() > last_time + 15:
                        print this_str
                        last_str = this_str
                        last_time = time.time()
                except:
                    log.err()

        status_thread()
    except:
        reactor.stop()
        log.err(None, 'Fatal error:')