def test_create_and_combine_stream(self):
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 2)
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, node_id="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, external_ip="127.0.0.1"
)
self.stream_info_manager = DBEncryptedFileMetadataManager(self.session.db_dir)
self.lbry_file_manager = EncryptedFileManager(
self.session, self.stream_info_manager, sd_identifier)
def start_lbry_file(lbry_file):
logging.debug("Calling lbry_file.start()")
d = lbry_file.start()
return d
def combine_stream(stream_hash):
prm = self.session.payment_rate_manager
d = self.lbry_file_manager.add_lbry_file(stream_hash, prm)
d.addCallback(start_lbry_file)
def check_md5_sum():
f = open('test_file')
hashsum = MD5.new()
hashsum.update(f.read())
self.assertEqual(hashsum.hexdigest(), "68959747edc73df45e45db6379dd7b3b")
d.addCallback(lambda _: check_md5_sum())
return d
@defer.inlineCallbacks
def create_stream():
test_file = GenFile(53209343, b''.join([chr(i + 5) for i in xrange(0, 64, 6)]))
stream_hash = yield create_lbry_file(self.session, self.lbry_file_manager, "test_file",
test_file, suggested_file_name="test_file")
yield publish_sd_blob(self.stream_info_manager, self.session.blob_manager, stream_hash)
defer.returnValue(stream_hash)
d = self.session.setup()
d.addCallback(lambda _: self.stream_info_manager.setup())
d.addCallback(lambda _: add_lbry_file_to_sd_identifier(sd_identifier))
d.addCallback(lambda _: self.lbry_file_manager.setup())
d.addCallback(lambda _: create_stream())
d.addCallback(combine_stream)
return d
def test_create_and_combine_stream(self):
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 2)
hash_announcer = FakeAnnouncer()
rate_limiter = DummyRateLimiter()
sd_identifier = StreamDescriptorIdentifier()
self.session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=self.db_dir, node_id="abcd",
peer_finder=peer_finder, hash_announcer=hash_announcer,
blob_dir=self.blob_dir, peer_port=5553, dht_node_class=mocks.Node,
use_upnp=False, rate_limiter=rate_limiter, wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker, external_ip="127.0.0.1"
)
self.lbry_file_manager = EncryptedFileManager(self.session, sd_identifier)
@defer.inlineCallbacks
def create_stream():
test_file = GenFile(53209343, b''.join([chr(i + 5) for i in xrange(0, 64, 6)]))
lbry_file = yield create_lbry_file(self.session, self.lbry_file_manager, "test_file", test_file)
sd_hash = yield self.session.storage.get_sd_blob_hash_for_stream(lbry_file.stream_hash)
self.assertTrue(lbry_file.sd_hash, sd_hash)
yield lbry_file.start()
f = open('test_file')
hashsum = MD5.new()
hashsum.update(f.read())
self.assertEqual(hashsum.hexdigest(), "68959747edc73df45e45db6379dd7b3b")
d = 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 _: create_stream())
return d
def test_create_stream(self):
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 2)
hash_announcer = FakeAnnouncer()
rate_limiter = DummyRateLimiter()
sd_identifier = StreamDescriptorIdentifier()
self.session = Session(conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=self.db_dir,
node_id="abcd",
peer_finder=peer_finder,
hash_announcer=hash_announcer,
blob_dir=self.blob_dir,
peer_port=5553,
use_upnp=False,
rate_limiter=rate_limiter,
wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker,
is_generous=self.is_generous,
external_ip="127.0.0.1",
dht_node_class=mocks.Node)
self.lbry_file_manager = EncryptedFileManager(self.session,
sd_identifier)
d = self.session.setup()
d.addCallback(lambda _: add_lbry_file_to_sd_identifier(sd_identifier))
d.addCallback(lambda _: self.lbry_file_manager.setup())
def verify_equal(sd_info):
self.assertEqual(sd_info, test_create_stream_sd_file)
def verify_stream_descriptor_file(stream_hash):
d = get_sd_info(self.session.storage, stream_hash, True)
d.addCallback(verify_equal)
return d
def iv_generator():
iv = 0
while 1:
iv += 1
yield "%016d" % iv
def create_stream():
test_file = GenFile(
5209343, b''.join([chr(i + 3) for i in xrange(0, 64, 6)]))
d = create_lbry_file(self.session,
self.lbry_file_manager,
"test_file",
test_file,
key="0123456701234567",
iv_generator=iv_generator())
d.addCallback(lambda lbry_file: lbry_file.stream_hash)
return d
d.addCallback(lambda _: create_stream())
d.addCallback(verify_stream_descriptor_file)
return d
def setUp(self):
mocks.mock_conf_settings(self)
self.tmp_db_dir, self.tmp_blob_dir = mk_db_and_blob_dir()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.peer_finder = FakePeerFinder(5553, self.peer_manager, 2)
self.rate_limiter = DummyRateLimiter()
self.sd_identifier = StreamDescriptorIdentifier()
self.storage = SQLiteStorage(self.tmp_db_dir)
self.blob_manager = DiskBlobManager(self.tmp_blob_dir, self.storage)
self.prm = OnlyFreePaymentsManager()
self.lbry_file_manager = EncryptedFileManager(
self.peer_finder, self.rate_limiter, self.blob_manager,
self.wallet, self.prm, self.storage, self.sd_identifier)
d = self.storage.setup()
d.addCallback(lambda _: self.lbry_file_manager.setup())
return d
def setUp(self):
mocks.mock_conf_settings(self)
self.session = None
self.lbry_file_manager = None
self.is_generous = True
self.db_dir = tempfile.mkdtemp()
self.blob_dir = os.path.join(self.db_dir, "blobfiles")
os.mkdir(self.blob_dir)
self.dht_node = FakeNode()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.peer_finder = FakePeerFinder(5553, self.peer_manager, 2)
self.rate_limiter = DummyRateLimiter()
self.sd_identifier = StreamDescriptorIdentifier()
self.storage = SQLiteStorage(self.db_dir)
self.blob_manager = DiskBlobManager(self.blob_dir, self.storage,
self.dht_node._dataStore)
self.prm = OnlyFreePaymentsManager()
self.lbry_file_manager = EncryptedFileManager(
self.peer_finder, self.rate_limiter, self.blob_manager,
self.wallet, self.prm, self.storage, self.sd_identifier)
d = self.storage.setup()
d.addCallback(lambda _: self.lbry_file_manager.setup())
return d
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
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 check_lbry_file()
yield delete_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
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 __init__(self):
self._payment_rate_manager = OnlyFreePaymentsManager()
self._rate_limiter = DummyRateLimiter()
self._wallet = None
self._blob_manager = None
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, blob_dir = mk_db_and_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 _: rm_db_and_blob_dir(db_dir, blob_dir))
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
def setUp(self):
self.reflector_port = None
self.port = None
mocks.mock_conf_settings(self)
self.server_db_dir, self.server_blob_dir = mk_db_and_blob_dir()
self.client_db_dir, self.client_blob_dir = mk_db_and_blob_dir()
prm = OnlyFreePaymentsManager()
wallet = mocks.Wallet()
peer_manager = PeerManager.PeerManager()
peer_finder = mocks.PeerFinder(5553, peer_manager, 2)
self.server_storage = SQLiteStorage(self.server_db_dir)
self.server_blob_manager = BlobManager.DiskBlobManager(
self.server_blob_dir, self.server_storage)
self.client_storage = SQLiteStorage(self.client_db_dir)
self.client_blob_manager = BlobManager.DiskBlobManager(
self.client_blob_dir, self.client_storage)
self.server_lbry_file_manager = EncryptedFileManager(
peer_finder, DummyRateLimiter(), self.server_blob_manager, wallet,
prm, self.server_storage,
StreamDescriptor.StreamDescriptorIdentifier())
self.client_lbry_file_manager = EncryptedFileManager(
peer_finder, DummyRateLimiter(), self.client_blob_manager, wallet,
prm, self.client_storage,
StreamDescriptor.StreamDescriptorIdentifier())
self.expected_blobs = [
('dc4708f76a5e7af0f1cae0ee96b824e2ed9250c9346c093b'
'441f0a20d3607c17948b6fcfb4bc62020fe5286693d08586', 2097152),
('f4067522c1b49432a2a679512e3917144317caa1abba0c04'
'1e0cd2cf9f635d4cf127ce1824fa04189b63916174951f70', 2097152),
('305486c434260484fcb2968ce0e963b72f81ba56c11b08b1'
'af0789b55b44d78422600f9a38e3cf4f2e9569897e5646a9', 1015056),
]
d = self.server_storage.setup()
d.addCallback(lambda _: self.server_blob_manager.setup())
d.addCallback(lambda _: self.server_lbry_file_manager.setup())
d.addCallback(lambda _: self.client_storage.setup())
d.addCallback(lambda _: self.client_blob_manager.setup())
d.addCallback(lambda _: self.client_lbry_file_manager.setup())
@defer.inlineCallbacks
def verify_equal(sd_info, stream_hash):
self.assertDictEqual(mocks.create_stream_sd_file, sd_info)
sd_hash = yield self.client_storage.get_sd_blob_hash_for_stream(
stream_hash)
defer.returnValue(sd_hash)
def save_sd_blob_hash(sd_hash):
self.sd_hash = sd_hash
self.expected_blobs.append((sd_hash, 923))
def verify_stream_descriptor_file(stream_hash):
self.stream_hash = stream_hash
d = get_sd_info(self.client_storage, stream_hash, True)
d.addCallback(verify_equal, stream_hash)
d.addCallback(save_sd_blob_hash)
return d
def create_stream():
test_file = mocks.GenFile(5209343,
bytes((i + 3) for i in range(0, 64, 6)))
d = EncryptedFileCreator.create_lbry_file(
self.client_blob_manager,
self.client_storage,
prm,
self.client_lbry_file_manager,
"test_file",
test_file,
key=b"0123456701234567",
iv_generator=iv_generator())
d.addCallback(lambda lbry_file: lbry_file.stream_hash)
return d
def start_server():
server_factory = reflector.ServerFactory(
peer_manager, self.server_blob_manager,
self.server_lbry_file_manager)
from twisted.internet import reactor
port = 8943
while self.reflector_port is None:
try:
self.reflector_port = reactor.listenTCP(
port, server_factory)
self.port = port
except error.CannotListenError:
port += 1
d.addCallback(lambda _: create_stream())
d.addCallback(verify_stream_descriptor_file)
d.addCallback(lambda _: start_server())
return d
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, chosen_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 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 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, blob_dir = mk_db_and_blob_dir()
self.session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=db_dir,
node_id="abcd",
peer_finder=peer_finder,
dht_node_port=4445,
dht_node_class=FakeNode,
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],
external_ip="127.0.0.1")
self.lbry_file_manager = EncryptedFileManager(self.session,
sd_identifier)
@defer.inlineCallbacks
def make_downloader(metadata, prm):
factories = metadata.factories
downloader = yield factories[0].make_downloader(
metadata, prm.min_blob_data_payment_rate, prm, db_dir)
defer.returnValue(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)
yield downloader.start()
defer.returnValue(downloader)
def check_md5_sum():
f = open(os.path.join(db_dir, 'test_file'))
hashsum = md5()
hashsum.update(f.read())
self.assertEqual(hashsum.hexdigest(),
"4ca2aafb4101c1e42235aad24fbb83be")
def delete_lbry_file(downloader):
logging.debug("deleting the file")
return self.lbry_file_manager.delete_lbry_file(downloader)
def check_lbry_file(downloader):
d = downloader.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):
# download a file, delete it, and download it again
logging.debug("Starting the transfer")
yield self.session.setup()
yield add_lbry_file_to_sd_identifier(sd_identifier)
yield self.lbry_file_manager.setup()
downloader = yield download_file(sd_hash)
yield check_md5_sum()
yield check_lbry_file(downloader)
yield delete_lbry_file(downloader)
downloader = yield download_file(sd_hash)
yield check_lbry_file(downloader)
yield check_md5_sum()
yield delete_lbry_file(downloader)
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 _: rm_db_and_blob_dir(db_dir, blob_dir))
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
def test_create_stream(self):
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 2)
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(settings.data_rate,
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=self.is_generous)
self.stream_info_manager = TempEncryptedFileMetadataManager()
self.lbry_file_manager = EncryptedFileManager(self.session,
self.stream_info_manager,
sd_identifier)
d = self.session.setup()
d.addCallback(lambda _: self.stream_info_manager.setup())
d.addCallback(lambda _: add_lbry_file_to_sd_identifier(sd_identifier))
d.addCallback(lambda _: self.lbry_file_manager.setup())
def verify_equal(sd_info):
self.assertEqual(sd_info, test_create_stream_sd_file)
def verify_stream_descriptor_file(stream_hash):
d = get_sd_info(self.lbry_file_manager.stream_info_manager,
stream_hash, True)
d.addCallback(verify_equal)
return d
def iv_generator():
iv = 0
while 1:
iv += 1
yield "%016d" % iv
def create_stream():
test_file = GenFile(
5209343, b''.join([chr(i + 3) for i in xrange(0, 64, 6)]))
d = create_lbry_file(self.session,
self.lbry_file_manager,
"test_file",
test_file,
key="0123456701234567",
iv_generator=iv_generator())
return d
d.addCallback(lambda _: create_stream())
d.addCallback(verify_stream_descriptor_file)
return d