from lbrynet.core import log_support import io import logging from multiprocessing import Process, Event, Queue import os import platform import shutil import sys import random import unittest from Crypto.PublicKey import RSA from Crypto import Random from Crypto.Hash import MD5 from lbrynet import conf from lbrynet.lbrylive.LiveStreamCreator import FileLiveStreamCreator from lbrynet.lbrylive.LiveStreamMetadataManager import DBLiveStreamMetadataManager from lbrynet.lbrylive.LiveStreamMetadataManager import TempLiveStreamMetadataManager from lbrynet.lbryfile.EncryptedFileMetadataManager import TempEncryptedFileMetadataManager, \ DBEncryptedFileMetadataManager from lbrynet import analytics from lbrynet.lbrylive.LiveStreamCreator import FileLiveStreamCreator from lbrynet.lbrylive.LiveStreamMetadataManager import DBLiveStreamMetadataManager from lbrynet.lbrylive.LiveStreamMetadataManager import TempLiveStreamMetadataManager from lbrynet.lbryfile.EncryptedFileMetadataManager import TempEncryptedFileMetadataManager from lbrynet.lbryfile.EncryptedFileMetadataManager import DBEncryptedFileMetadataManager from lbrynet.lbryfilemanager.EncryptedFileManager import EncryptedFileManager from lbrynet.core.PTCWallet import PointTraderKeyQueryHandlerFactory, PointTraderKeyExchanger from lbrynet.core.Session import Session from lbrynet.core.server.BlobAvailabilityHandler import BlobAvailabilityHandlerFactory from lbrynet.core.client.StandaloneBlobDownloader import StandaloneBlobDownloader from lbrynet.core.StreamDescriptor import BlobStreamDescriptorWriter from lbrynet.core.StreamDescriptor import StreamDescriptorIdentifier from lbrynet.core.StreamDescriptor import download_sd_blob from lbrynet.lbryfilemanager.EncryptedFileCreator import create_lbry_file from lbrynet.lbryfile.client.EncryptedFileOptions import add_lbry_file_to_sd_identifier from lbrynet.lbryfile.StreamDescriptor import get_sd_info from twisted.internet import defer, threads, task from twisted.trial.unittest import TestCase from twisted.python.failure import Failure from lbrynet.dht.node import Node from lbrynet.core.PeerManager import PeerManager from lbrynet.core.RateLimiter import DummyRateLimiter, RateLimiter from lbrynet.core.server.BlobRequestHandler import BlobRequestHandlerFactory from lbrynet.core.server.ServerProtocol import ServerProtocolFactory from lbrynet.lbrylive.server.LiveBlobInfoQueryHandler import CryptBlobInfoQueryHandlerFactory from lbrynet.lbrylive.client.LiveStreamOptions import add_live_stream_to_sd_identifier from lbrynet.lbrylive.client.LiveStreamDownloader import add_full_live_stream_downloader_to_sd_identifier from tests import mocks FakeNode = mocks.Node FakeWallet = mocks.Wallet FakePeerFinder = mocks.PeerFinder FakeAnnouncer = mocks.Announcer GenFile = mocks.GenFile test_create_stream_sd_file = mocks.create_stream_sd_file DummyBlobAvailabilityTracker = mocks.BlobAvailabilityTracker log = logging.getLogger(__name__) log_format = "%(funcName)s(): %(message)s" logging.basicConfig(level=logging.WARNING, format=log_format) def require_system(system): def wrapper(fn): return fn if platform.system() == system: return wrapper else: return unittest.skip("Skipping. Test can only be run on " + system) def use_epoll_on_linux(): if sys.platform.startswith("linux"): sys.modules = sys.modules.copy() del sys.modules['twisted.internet.reactor'] import twisted.internet twisted.internet.reactor = twisted.internet.epollreactor.EPollReactor() sys.modules['twisted.internet.reactor'] = twisted.internet.reactor class LbryUploader(object): def __init__(self, sd_hash_queue, kill_event, dead_event, file_size, ul_rate_limit=None, is_generous=False): self.sd_hash_queue = sd_hash_queue self.kill_event = kill_event self.dead_event = dead_event self.file_size = file_size self.ul_rate_limit = ul_rate_limit self.is_generous = is_generous # these attributes get defined in `start` self.reactor = None self.sd_identifier = None self.session = None self.lbry_file_manager = None self.server_port = None self.kill_check = None def start(self): use_epoll_on_linux() from twisted.internet import reactor self.reactor = reactor logging.debug("Starting the uploader") Random.atfork() r = random.Random() r.seed("start_lbry_uploader") wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 1) hash_announcer = FakeAnnouncer() rate_limiter = RateLimiter() self.sd_identifier = StreamDescriptorIdentifier() db_dir = "server" os.mkdir(db_dir) self.session = Session( conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd", peer_finder=peer_finder, hash_announcer=hash_announcer, peer_port=5553, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, dht_node_class=Node, is_generous=self.is_generous) stream_info_manager = TempEncryptedFileMetadataManager() self.lbry_file_manager = EncryptedFileManager( self.session, stream_info_manager, self.sd_identifier) if self.ul_rate_limit is not None: self.session.rate_limiter.set_ul_limit(self.ul_rate_limit) reactor.callLater(1, self.start_all) if not reactor.running: reactor.run() def start_all(self): d = self.session.setup() d.addCallback(lambda _: add_lbry_file_to_sd_identifier(self.sd_identifier)) d.addCallback(lambda _: self.lbry_file_manager.setup()) d.addCallback(lambda _: self.start_server()) d.addCallback(lambda _: self.create_stream()) d.addCallback(self.create_stream_descriptor) d.addCallback(self.put_sd_hash_on_queue) d.addErrback(log.fail(), 'Failed to start') return d def start_server(self): session = self.session query_handler_factories = { 1: BlobAvailabilityHandlerFactory(session.blob_manager), 2: BlobRequestHandlerFactory( session.blob_manager, session.wallet, session.payment_rate_manager, analytics.Track()), 3: session.wallet.get_wallet_info_query_handler_factory(), } server_factory = ServerProtocolFactory(session.rate_limiter, query_handler_factories, session.peer_manager) self.server_port = self.reactor.listenTCP(5553, server_factory) logging.debug("Started listening") self.kill_check = task.LoopingCall(self.check_for_kill) self.kill_check.start(1.0) return True def kill_server(self): session = self.session ds = [] ds.append(session.shut_down()) ds.append(self.lbry_file_manager.stop()) if self.server_port: ds.append(self.server_port.stopListening()) self.kill_check.stop() self.dead_event.set() dl = defer.DeferredList(ds) dl.addCallback(lambda _: self.reactor.stop()) return dl def check_for_kill(self): if self.kill_event.is_set(): self.kill_server() def create_stream(self): test_file = GenFile(self.file_size, b''.join([chr(i) for i in xrange(0, 64, 6)])) d = create_lbry_file(self.session, self.lbry_file_manager, "test_file", test_file) return d def create_stream_descriptor(self, stream_hash): descriptor_writer = BlobStreamDescriptorWriter(self.session.blob_manager) d = get_sd_info(self.lbry_file_manager.stream_info_manager, stream_hash, True) d.addCallback(descriptor_writer.create_descriptor) return d def put_sd_hash_on_queue(self, sd_hash): self.sd_hash_queue.put(sd_hash) def start_lbry_reuploader(sd_hash, kill_event, dead_event, ready_event, n, ul_rate_limit=None, is_generous=False): use_epoll_on_linux() from twisted.internet import reactor logging.debug("Starting the uploader") Random.atfork() r = random.Random() r.seed("start_lbry_reuploader") wallet = FakeWallet() peer_port = 5553 + n peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 1) hash_announcer = FakeAnnouncer() rate_limiter = RateLimiter() sd_identifier = StreamDescriptorIdentifier() db_dir = "server_" + str(n) blob_dir = os.path.join(db_dir, "blobfiles") os.mkdir(db_dir) os.mkdir(blob_dir) session = Session(conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd" + str(n), peer_finder=peer_finder, hash_announcer=hash_announcer, blob_dir=None, peer_port=peer_port, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1]) stream_info_manager = TempEncryptedFileMetadataManager() lbry_file_manager = EncryptedFileManager(session, stream_info_manager, sd_identifier) if ul_rate_limit is not None: session.rate_limiter.set_ul_limit(ul_rate_limit) def make_downloader(metadata, prm): info_validator = metadata.validator options = metadata.options factories = metadata.factories chosen_options = [o.default_value for o in options.get_downloader_options(info_validator, prm)] return factories[0].make_downloader(metadata, chosen_options, prm) def download_file(): prm = session.payment_rate_manager d = download_sd_blob(session, sd_hash, prm) d.addCallback(sd_identifier.get_metadata_for_sd_blob) d.addCallback(make_downloader, prm) d.addCallback(lambda downloader: downloader.start()) return d def start_transfer(): logging.debug("Starting the transfer") d = session.setup() d.addCallback(lambda _: add_lbry_file_to_sd_identifier(sd_identifier)) d.addCallback(lambda _: lbry_file_manager.setup()) d.addCallback(lambda _: download_file()) return d def start_server(): server_port = None query_handler_factories = { 1: BlobAvailabilityHandlerFactory(session.blob_manager), 2: BlobRequestHandlerFactory( session.blob_manager, session.wallet, session.payment_rate_manager, analytics.Track()), 3: session.wallet.get_wallet_info_query_handler_factory(), } server_factory = ServerProtocolFactory(session.rate_limiter, query_handler_factories, session.peer_manager) server_port = reactor.listenTCP(peer_port, server_factory) logging.debug("Started listening") def kill_server(): ds = [] ds.append(session.shut_down()) ds.append(lbry_file_manager.stop()) if server_port: ds.append(server_port.stopListening()) kill_check.stop() dead_event.set() dl = defer.DeferredList(ds) dl.addCallback(lambda _: reactor.stop()) return dl def check_for_kill(): if kill_event.is_set(): kill_server() kill_check = task.LoopingCall(check_for_kill) kill_check.start(1.0) ready_event.set() logging.debug("set the ready event") d = task.deferLater(reactor, 1.0, start_transfer) d.addCallback(lambda _: start_server()) if not reactor.running: reactor.run() def start_live_server(sd_hash_queue, kill_event, dead_event): use_epoll_on_linux() from twisted.internet import reactor logging.debug("In start_server.") Random.atfork() r = random.Random() r.seed("start_live_server") wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 1) hash_announcer = FakeAnnouncer() rate_limiter = DummyRateLimiter() sd_identifier = StreamDescriptorIdentifier() db_dir = "server" os.mkdir(db_dir) session = Session(conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd", peer_finder=peer_finder, hash_announcer=hash_announcer, peer_port=5553, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1]) stream_info_manager = DBLiveStreamMetadataManager(session.db_dir, hash_announcer) logging.debug("Created the session") server_port = [] def start_listening(): logging.debug("Starting the server protocol") query_handler_factories = { 1: CryptBlobInfoQueryHandlerFactory(stream_info_manager, session.wallet, session.payment_rate_manager), 2: BlobRequestHandlerFactory(session.blob_manager, session.wallet, session.payment_rate_manager, analytics.Track()), 3: session.wallet.get_wallet_info_query_handler_factory() } server_factory = ServerProtocolFactory(session.rate_limiter, query_handler_factories, session.peer_manager) server_port.append(reactor.listenTCP(5553, server_factory)) logging.debug("Server protocol has started") def create_stream(): logging.debug("Making the live stream") test_file = GenFile(5209343, b''.join([chr(i + 2) for i in xrange(0, 64, 6)])) stream_creator_helper = FileLiveStreamCreator(session.blob_manager, stream_info_manager, "test_file", test_file) d = stream_creator_helper.setup() d.addCallback(lambda _: stream_creator_helper.publish_stream_descriptor()) d.addCallback(put_sd_hash_on_queue) d.addCallback(lambda _: stream_creator_helper.start_streaming()) return d def put_sd_hash_on_queue(sd_hash): logging.debug("Telling the client to start running. Stream hash: %s", str(sd_hash)) sd_hash_queue.put(sd_hash) logging.debug("sd hash has been added to the queue") def set_dead_event(): logging.debug("Setting the dead event") dead_event.set() def print_error(err): logging.debug("An error occurred during shutdown: %s", err.getTraceback()) def stop_reactor(): logging.debug("Server is stopping its reactor") reactor.stop() def shut_down(arg): logging.debug("Shutting down") if isinstance(arg, Failure): logging.error("Shut down is due to an error: %s", arg.getTraceback()) d = defer.maybeDeferred(server_port[0].stopListening) d.addErrback(print_error) d.addCallback(lambda _: session.shut_down()) d.addCallback(lambda _: stream_info_manager.stop()) d.addErrback(print_error) d.addCallback(lambda _: set_dead_event()) d.addErrback(print_error) d.addCallback(lambda _: reactor.callLater(0, stop_reactor)) d.addErrback(print_error) return d def wait_for_kill_event(): d = defer.Deferred() def check_for_kill(): if kill_event.is_set(): logging.debug("Kill event has been found set") kill_check.stop() d.callback(True) kill_check = task.LoopingCall(check_for_kill) kill_check.start(1.0) return d def enable_live_stream(): add_live_stream_to_sd_identifier(sd_identifier, session.base_payment_rate_manager) add_full_live_stream_downloader_to_sd_identifier(session, stream_info_manager, sd_identifier, session.base_payment_rate_manager) def run_server(): d = session.setup() d.addCallback(lambda _: stream_info_manager.setup()) d.addCallback(lambda _: enable_live_stream()) d.addCallback(lambda _: start_listening()) d.addCallback(lambda _: create_stream()) d.addCallback(lambda _: wait_for_kill_event()) d.addBoth(shut_down) return d reactor.callLater(1, run_server) if not reactor.running: reactor.run() def start_blob_uploader(blob_hash_queue, kill_event, dead_event, slow, is_generous=False): use_epoll_on_linux() from twisted.internet import reactor logging.debug("Starting the uploader") Random.atfork() wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 1) hash_announcer = FakeAnnouncer() rate_limiter = RateLimiter() if slow is True: peer_port = 5553 db_dir = "server1" else: peer_port = 5554 db_dir = "server2" blob_dir = os.path.join(db_dir, "blobfiles") os.mkdir(db_dir) os.mkdir(blob_dir) session = Session(conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="efgh", peer_finder=peer_finder, hash_announcer=hash_announcer, blob_dir=blob_dir, peer_port=peer_port, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1]) if slow is True: session.rate_limiter.set_ul_limit(2 ** 11) def start_all(): d = session.setup() d.addCallback(lambda _: start_server()) d.addCallback(lambda _: create_single_blob()) d.addCallback(put_blob_hash_on_queue) d.addErrback(log.fail(), 'Failed to start') return d def start_server(): server_port = None query_handler_factories = { 1: BlobAvailabilityHandlerFactory(session.blob_manager), 2: BlobRequestHandlerFactory(session.blob_manager, session.wallet, session.payment_rate_manager, analytics.Track()), 3: session.wallet.get_wallet_info_query_handler_factory(), } server_factory = ServerProtocolFactory(session.rate_limiter, query_handler_factories, session.peer_manager) server_port = reactor.listenTCP(peer_port, server_factory) logging.debug("Started listening") def kill_server(): ds = [] ds.append(session.shut_down()) if server_port: ds.append(server_port.stopListening()) kill_check.stop() dead_event.set() dl = defer.DeferredList(ds) dl.addCallback(lambda _: reactor.stop()) return dl def check_for_kill(): if kill_event.is_set(): kill_server() kill_check = task.LoopingCall(check_for_kill) kill_check.start(1.0) return True def create_single_blob(): blob_creator = session.blob_manager.get_blob_creator() blob_creator.write("0" * 2 ** 21) return blob_creator.close() def put_blob_hash_on_queue(blob_hash): logging.debug("Telling the client to start running. Blob hash: %s", str(blob_hash)) blob_hash_queue.put(blob_hash) logging.debug("blob hash has been added to the queue") reactor.callLater(1, start_all) if not reactor.running: reactor.run() class TestTransfer(TestCase): def setUp(self): mocks.mock_conf_settings(self) self.server_processes = [] self.session = None self.stream_info_manager = None self.lbry_file_manager = None self.is_generous = True self.addCleanup(self.take_down_env) def take_down_env(self): d = defer.succeed(True) if self.lbry_file_manager is not None: d.addCallback(lambda _: self.lbry_file_manager.stop()) if self.session is not None: d.addCallback(lambda _: self.session.shut_down()) if self.stream_info_manager is not None: d.addCallback(lambda _: self.stream_info_manager.stop()) def delete_test_env(): dirs = ['server', 'server1', 'server2', 'client'] files = ['test_file'] for di in dirs: if os.path.exists(di): shutil.rmtree(di) for f in files: if os.path.exists(f): os.remove(f) for p in self.server_processes: p.terminate() return True d.addCallback(lambda _: threads.deferToThread(delete_test_env)) return d @staticmethod def wait_for_event(event, timeout): from twisted.internet import reactor d = defer.Deferred() def stop(): set_check.stop() if stop_call.active(): stop_call.cancel() d.callback(True) def check_if_event_set(): if event.is_set(): logging.debug("Dead event has been found set") stop() def done_waiting(): logging.warning("Event has not been found set and timeout has expired") stop() set_check = task.LoopingCall(check_if_event_set) set_check.start(.1) stop_call = reactor.callLater(timeout, done_waiting) return d @staticmethod def wait_for_hash_from_queue(hash_queue): logging.debug("Waiting for the sd_hash to come through the queue") d = defer.Deferred() def check_for_start(): if hash_queue.empty() is False: logging.debug("Client start event has been found set") start_check.stop() d.callback(hash_queue.get(False)) else: logging.debug("Client start event has NOT been found set") start_check = task.LoopingCall(check_for_start) start_check.start(1.0) return d def test_lbry_transfer(self): sd_hash_queue = Queue() kill_event = Event() dead_event = Event() lbry_uploader = LbryUploader(sd_hash_queue, kill_event, dead_event, 5209343) uploader = Process(target=lbry_uploader.start) uploader.start() self.server_processes.append(uploader) logging.debug("Testing transfer") wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 1) hash_announcer = FakeAnnouncer() rate_limiter = DummyRateLimiter() sd_identifier = StreamDescriptorIdentifier() db_dir = "client" blob_dir = os.path.join(db_dir, "blobfiles") os.mkdir(db_dir) os.mkdir(blob_dir) self.session = Session( conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd", peer_finder=peer_finder, hash_announcer=hash_announcer, blob_dir=blob_dir, peer_port=5553, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, dht_node_class=Node, is_generous=self.is_generous) self.stream_info_manager = TempEncryptedFileMetadataManager() self.lbry_file_manager = EncryptedFileManager( self.session, self.stream_info_manager, sd_identifier) def make_downloader(metadata, prm): info_validator = metadata.validator options = metadata.options factories = metadata.factories chosen_options = [ o.default_value for o in options.get_downloader_options(info_validator, prm) ] return factories[0].make_downloader(metadata, chosen_options, prm) def download_file(sd_hash): prm = self.session.payment_rate_manager d = download_sd_blob(self.session, sd_hash, prm) d.addCallback(sd_identifier.get_metadata_for_sd_blob) d.addCallback(make_downloader, prm) d.addCallback(lambda downloader: downloader.start()) return d def check_md5_sum(): f = open('test_file') hashsum = MD5.new() hashsum.update(f.read()) self.assertEqual(hashsum.hexdigest(), "4ca2aafb4101c1e42235aad24fbb83be") @defer.inlineCallbacks def start_transfer(sd_hash): logging.debug("Starting the transfer") yield self.session.setup() yield add_lbry_file_to_sd_identifier(sd_identifier) yield self.lbry_file_manager.setup() yield download_file(sd_hash) yield check_md5_sum() def stop(arg): if isinstance(arg, Failure): logging.debug("Client is stopping due to an error. Error: %s", arg.getTraceback()) else: logging.debug("Client is stopping normally.") kill_event.set() logging.debug("Set the kill event") d = self.wait_for_event(dead_event, 15) def print_shutting_down(): logging.info("Client is shutting down") d.addCallback(lambda _: print_shutting_down()) d.addCallback(lambda _: arg) return d d = self.wait_for_hash_from_queue(sd_hash_queue) d.addCallback(start_transfer) d.addBoth(stop) return d @unittest.skip("Sadly skipping failing test instead of fixing it") def test_live_transfer(self): sd_hash_queue = Queue() kill_event = Event() dead_event = Event() server_args = (sd_hash_queue, kill_event, dead_event) server = Process(target=start_live_server, args=server_args) server.start() self.server_processes.append(server) wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 1) hash_announcer = FakeAnnouncer() rate_limiter = DummyRateLimiter() sd_identifier = StreamDescriptorIdentifier() db_dir = "client" os.mkdir(db_dir) self.session = Session( conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd", peer_finder=peer_finder, hash_announcer=hash_announcer, blob_dir=None, peer_port=5553, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, dht_node_class=Node ) self.stream_info_manager = TempLiveStreamMetadataManager(hash_announcer) d = self.wait_for_hash_from_queue(sd_hash_queue) def create_downloader(metadata, prm): info_validator = metadata.validator options = metadata.options factories = metadata.factories chosen_options = [ o.default_value for o in options.get_downloader_options(info_validator, prm)] return factories[0].make_downloader(metadata, choosen_options, prm) def start_lbry_file(lbry_file): lbry_file = lbry_file return lbry_file.start() def download_stream(sd_blob_hash): prm = self.session.payment_rate_manager d = download_sd_blob(self.session, sd_blob_hash, prm) d.addCallback(sd_identifier.get_metadata_for_sd_blob) d.addCallback(create_downloader, prm) d.addCallback(start_lbry_file) return d def do_download(sd_blob_hash): logging.debug("Starting the download") d = self.session.setup() d.addCallback(lambda _: enable_live_stream()) d.addCallback(lambda _: download_stream(sd_blob_hash)) return d def enable_live_stream(): add_live_stream_to_sd_identifier(sd_identifier, self.session.payment_rate_manager) add_full_live_stream_downloader_to_sd_identifier(self.session, self.stream_info_manager, sd_identifier, self.session.payment_rate_manager) d.addCallback(do_download) def check_md5_sum(): f = open('test_file') hashsum = MD5.new() hashsum.update(f.read()) self.assertEqual(hashsum.hexdigest(), "215b177db8eed86d028b37e5cbad55c7") d.addCallback(lambda _: check_md5_sum()) def stop(arg): if isinstance(arg, Failure): logging.debug("Client is stopping due to an error. Error: %s", arg.getTraceback()) else: logging.debug("Client is stopping normally.") kill_event.set() logging.debug("Set the kill event") d = self.wait_for_event(dead_event, 15) def print_shutting_down(): logging.info("Client is shutting down") d.addCallback(lambda _: print_shutting_down()) d.addCallback(lambda _: arg) return d d.addBoth(stop) return d def test_last_blob_retrieval(self): kill_event = Event() dead_event_1 = Event() blob_hash_queue_1 = Queue() blob_hash_queue_2 = Queue() fast_uploader = Process(target=start_blob_uploader, args=(blob_hash_queue_1, kill_event, dead_event_1, False)) fast_uploader.start() self.server_processes.append(fast_uploader) dead_event_2 = Event() slow_uploader = Process(target=start_blob_uploader, args=(blob_hash_queue_2, kill_event, dead_event_2, True)) slow_uploader.start() self.server_processes.append(slow_uploader) logging.debug("Testing transfer") wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 2) hash_announcer = FakeAnnouncer() rate_limiter = DummyRateLimiter() db_dir = "client" blob_dir = os.path.join(db_dir, "blobfiles") os.mkdir(db_dir) os.mkdir(blob_dir) self.session = Session( conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd", peer_finder=peer_finder, hash_announcer=hash_announcer, blob_dir=blob_dir, peer_port=5553, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1]) d1 = self.wait_for_hash_from_queue(blob_hash_queue_1) d2 = self.wait_for_hash_from_queue(blob_hash_queue_2) d = defer.DeferredList([d1, d2], fireOnOneErrback=True) def get_blob_hash(results): self.assertEqual(results[0][1], results[1][1]) return results[0][1] d.addCallback(get_blob_hash) def download_blob(blob_hash): prm = self.session.payment_rate_manager downloader = StandaloneBlobDownloader( blob_hash, self.session.blob_manager, peer_finder, rate_limiter, prm, wallet) d = downloader.download() return d def start_transfer(blob_hash): logging.debug("Starting the transfer") d = self.session.setup() d.addCallback(lambda _: download_blob(blob_hash)) return d d.addCallback(start_transfer) def stop(arg): if isinstance(arg, Failure): logging.debug("Client is stopping due to an error. Error: %s", arg.getTraceback()) else: logging.debug("Client is stopping normally.") kill_event.set() logging.debug("Set the kill event") d1 = self.wait_for_event(dead_event_1, 15) d2 = self.wait_for_event(dead_event_2, 15) dl = defer.DeferredList([d1, d2]) def print_shutting_down(): logging.info("Client is shutting down") dl.addCallback(lambda _: print_shutting_down()) dl.addCallback(lambda _: arg) return dl d.addBoth(stop) return d def test_double_download(self): sd_hash_queue = Queue() kill_event = Event() dead_event = Event() lbry_uploader = LbryUploader(sd_hash_queue, kill_event, dead_event, 5209343) uploader = Process(target=lbry_uploader.start) uploader.start() self.server_processes.append(uploader) logging.debug("Testing double download") wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, 1) hash_announcer = FakeAnnouncer() rate_limiter = DummyRateLimiter() sd_identifier = StreamDescriptorIdentifier() downloaders = [] db_dir = "client" blob_dir = os.path.join(db_dir, "blobfiles") os.mkdir(db_dir) os.mkdir(blob_dir) self.session = Session(conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd", peer_finder=peer_finder, hash_announcer=hash_announcer, blob_dir=blob_dir, peer_port=5553, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1]) self.stream_info_manager = DBEncryptedFileMetadataManager(self.session.db_dir) self.lbry_file_manager = EncryptedFileManager(self.session, self.stream_info_manager, sd_identifier) @defer.inlineCallbacks def make_downloader(metadata, prm): info_validator = metadata.validator options = metadata.options factories = metadata.factories chosen_options = [ o.default_value for o in options.get_downloader_options(info_validator, prm) ] downloader = yield factories[0].make_downloader(metadata, chosen_options, prm) defer.returnValue(downloader) def append_downloader(downloader): downloaders.append(downloader) return downloader @defer.inlineCallbacks def download_file(sd_hash): prm = self.session.payment_rate_manager sd_blob = yield download_sd_blob(self.session, sd_hash, prm) metadata = yield sd_identifier.get_metadata_for_sd_blob(sd_blob) downloader = yield make_downloader(metadata, prm) downloaders.append(downloader) finished_value = yield downloader.start() defer.returnValue(finished_value) def check_md5_sum(): f = open('test_file') hashsum = MD5.new() hashsum.update(f.read()) self.assertEqual(hashsum.hexdigest(), "4ca2aafb4101c1e42235aad24fbb83be") def delete_lbry_file(): logging.debug("deleting the file") d = self.lbry_file_manager.delete_lbry_file(downloaders[0]) d.addCallback(lambda _: self.lbry_file_manager.get_count_for_stream_hash(downloaders[0].stream_hash)) d.addCallback( lambda c: self.stream_info_manager.delete_stream(downloaders[1].stream_hash) if c == 0 else True) return d def check_lbry_file(): d = downloaders[1].status() d.addCallback(lambda _: downloaders[1].status()) def check_status_report(status_report): self.assertEqual(status_report.num_known, status_report.num_completed) self.assertEqual(status_report.num_known, 3) d.addCallback(check_status_report) return d @defer.inlineCallbacks def start_transfer(sd_hash): logging.debug("Starting the transfer") yield self.session.setup() yield self.stream_info_manager.setup() yield add_lbry_file_to_sd_identifier(sd_identifier) yield self.lbry_file_manager.setup() yield download_file(sd_hash) yield check_md5_sum() yield download_file(sd_hash) yield delete_lbry_file() yield check_lbry_file() def stop(arg): if isinstance(arg, Failure): logging.debug("Client is stopping due to an error. Error: %s", arg.getTraceback()) else: logging.debug("Client is stopping normally.") kill_event.set() logging.debug("Set the kill event") d = self.wait_for_event(dead_event, 15) def print_shutting_down(): logging.info("Client is shutting down") d.addCallback(lambda _: print_shutting_down()) d.addCallback(lambda _: arg) return d d = self.wait_for_hash_from_queue(sd_hash_queue) d.addCallback(start_transfer) d.addBoth(stop) return d @unittest.skip("Sadly skipping failing test instead of fixing it") def test_multiple_uploaders(self): sd_hash_queue = Queue() num_uploaders = 3 kill_event = Event() dead_events = [Event() for _ in range(num_uploaders)] ready_events = [Event() for _ in range(1, num_uploaders)] lbry_uploader = LbryUploader( sd_hash_queue, kill_event, dead_events[0], 5209343, 9373419, 2**22) uploader = Process(target=lbry_uploader.start) uploader.start() self.server_processes.append(uploader) logging.debug("Testing multiple uploaders") wallet = FakeWallet() peer_manager = PeerManager() peer_finder = FakePeerFinder(5553, peer_manager, num_uploaders) hash_announcer = FakeAnnouncer() rate_limiter = DummyRateLimiter() sd_identifier = StreamDescriptorIdentifier() db_dir = "client" blob_dir = os.path.join(db_dir, "blobfiles") os.mkdir(db_dir) os.mkdir(blob_dir) self.session = Session(conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd", peer_finder=peer_finder, hash_announcer=hash_announcer, blob_dir=None, peer_port=5553, use_upnp=False, rate_limiter=rate_limiter, wallet=wallet, blob_tracker_class=DummyBlobAvailabilityTracker, is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1]) self.stream_info_manager = TempEncryptedFileMetadataManager() self.lbry_file_manager = EncryptedFileManager( self.session, self.stream_info_manager, sd_identifier) def start_additional_uploaders(sd_hash): for i in range(1, num_uploaders): uploader = Process(target=start_lbry_reuploader, args=(sd_hash, kill_event, dead_events[i], ready_events[i - 1], i, 2 ** 10)) uploader.start() self.server_processes.append(uploader) return defer.succeed(True) def wait_for_ready_events(): return defer.DeferredList([self.wait_for_event(ready_event, 60) for ready_event in ready_events]) def make_downloader(metadata, prm): info_validator = metadata.validator options = metadata.options factories = metadata.factories chosen_options = [o.default_value for o in options.get_downloader_options(info_validator, prm)] return factories[0].make_downloader(metadata, chosen_options, prm) def download_file(sd_hash): prm = self.session.payment_rate_manager d = download_sd_blob(self.session, sd_hash, prm) d.addCallback(sd_identifier.get_metadata_for_sd_blob) d.addCallback(make_downloader, prm) d.addCallback(lambda downloader: downloader.start()) return d def check_md5_sum(): f = open('test_file') hashsum = MD5.new() hashsum.update(f.read()) self.assertEqual(hashsum.hexdigest(), "e5941d615f53312fd66638239c1f90d5") def start_transfer(sd_hash): logging.debug("Starting the transfer") d = start_additional_uploaders(sd_hash) d.addCallback(lambda _: wait_for_ready_events()) d.addCallback(lambda _: self.session.setup()) d.addCallback(lambda _: add_lbry_file_to_sd_identifier(sd_identifier)) d.addCallback(lambda _: self.lbry_file_manager.setup()) d.addCallback(lambda _: download_file(sd_hash)) d.addCallback(lambda _: check_md5_sum()) return d def stop(arg): if isinstance(arg, Failure): logging.debug("Client is stopping due to an error. Error: %s", arg.getTraceback()) else: logging.debug("Client is stopping normally.") kill_event.set() logging.debug("Set the kill event") d = defer.DeferredList([self.wait_for_event(dead_event, 15) for dead_event in dead_events]) def print_shutting_down(): logging.info("Client is shutting down") d.addCallback(lambda _: print_shutting_down()) d.addCallback(lambda _: arg) return d d = self.wait_for_hash_from_queue(sd_hash_queue) d.addCallback(start_transfer) d.addBoth(stop) return d