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_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,
is_generous=self.is_generous, external_ip="127.0.0.1"
)
self.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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
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(
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,
is_generous=self.is_generous, external_ip="127.0.0.1"
)
self.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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
def start(self):
use_epoll_on_linux()
init_conf_windows()
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()
self.db_dir, self.blob_dir = mk_db_and_blob_dir()
self.session = Session(conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=self.db_dir,
blob_dir=self.blob_dir,
node_id="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,
external_ip="127.0.0.1")
stream_info_manager = DBEncryptedFileMetadataManager(self.db_dir)
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()
class DBEncryptedFileMetadataManagerTest(unittest.TestCase):
def setUp(self):
self.db_dir = tempfile.mkdtemp()
self.manager = DBEncryptedFileMetadataManager(self.db_dir)
def tearDown(self):
self.manager.stop()
shutil.rmtree(self.db_dir)
@defer.inlineCallbacks
def test_basic(self):
yield self.manager.setup()
out = yield self.manager.get_all_streams()
self.assertEqual(len(out), 0)
stream_hash = random_lbry_hash()
file_name = 'file_name'
key = 'key'
suggested_file_name = 'sug_file_name'
blob1 = CryptBlobInfo(random_lbry_hash(), 0, 10, 1)
blob2 = CryptBlobInfo(random_lbry_hash(), 0, 10, 1)
blobs = [blob1, blob2]
# save stream
yield self.manager.save_stream(stream_hash, file_name, key, suggested_file_name, blobs)
out = yield self.manager.get_stream_info(stream_hash)
self.assertEqual(key, out[0])
self.assertEqual(file_name, out[1])
self.assertEqual(suggested_file_name, out[2])
out = yield self.manager.check_if_stream_exists(stream_hash)
self.assertTrue(out)
out = yield self.manager.get_blobs_for_stream(stream_hash)
self.assertEqual(2, len(out))
out = yield self.manager.get_all_streams()
self.assertEqual(1, len(out))
# add a blob to stream
blob3 = CryptBlobInfo(random_lbry_hash(), 0, 10, 1)
blobs = [blob3]
out = yield self.manager.add_blobs_to_stream(stream_hash, blobs)
out = yield self.manager.get_blobs_for_stream(stream_hash)
self.assertEqual(3, len(out))
out = yield self.manager.get_stream_of_blob(blob3.blob_hash)
self.assertEqual(stream_hash, out)
# check non existing stream
with self.assertRaises(NoSuchStreamHash):
out = yield self.manager.get_stream_info(random_lbry_hash())
# check save of sd blob hash
sd_blob_hash = random_lbry_hash()
yield self.manager.save_sd_blob_hash_to_stream(stream_hash, sd_blob_hash)
out = yield self.manager.get_sd_blob_hashes_for_stream(stream_hash)
self.assertEqual(1, len(out))
self.assertEqual(sd_blob_hash, out[0])
out = yield self.manager.get_stream_hash_for_sd_hash(sd_blob_hash)
self.assertEqual(stream_hash, out)
# delete stream
yield self.manager.delete_stream(stream_hash)
out = yield self.manager.check_if_stream_exists(stream_hash)
self.assertFalse(out)
def setUp(self):
self.db_dir = tempfile.mkdtemp()
self.manager = DBEncryptedFileMetadataManager(self.db_dir)
def setUp(self):
self.db_dir = tempfile.mkdtemp()
self.manager = DBEncryptedFileMetadataManager(self.db_dir)
class DBEncryptedFileMetadataManagerTest(unittest.TestCase):
def setUp(self):
self.db_dir = tempfile.mkdtemp()
self.manager = DBEncryptedFileMetadataManager(self.db_dir)
def tearDown(self):
self.manager.stop()
shutil.rmtree(self.db_dir)
@defer.inlineCallbacks
def test_basic(self):
yield self.manager.setup()
out = yield self.manager.get_all_streams()
self.assertEqual(len(out), 0)
stream_hash = random_lbry_hash()
file_name = 'file_name'
key = 'key'
suggested_file_name = 'sug_file_name'
blob1 = CryptBlobInfo(random_lbry_hash(), 0, 10, 1)
blob2 = CryptBlobInfo(random_lbry_hash(), 0, 10, 1)
blobs = [blob1, blob2]
# save stream
yield self.manager.save_stream(stream_hash, file_name, key, suggested_file_name, blobs)
out = yield self.manager.get_stream_info(stream_hash)
self.assertEqual(key, out[0])
self.assertEqual(file_name, out[1])
self.assertEqual(suggested_file_name, out[2])
out = yield self.manager.check_if_stream_exists(stream_hash)
self.assertTrue(out)
out = yield self.manager.get_blobs_for_stream(stream_hash)
self.assertEqual(2, len(out))
out = yield self.manager.get_all_streams()
self.assertEqual(1, len(out))
# add a blob to stream
blob3 = CryptBlobInfo(random_lbry_hash(), 0, 10, 1)
blobs = [blob3]
out = yield self.manager.add_blobs_to_stream(stream_hash, blobs)
out = yield self.manager.get_blobs_for_stream(stream_hash)
self.assertEqual(3, len(out))
out = yield self.manager.get_stream_of_blob(blob3.blob_hash)
self.assertEqual(stream_hash, out)
# check non existing stream
with self.assertRaises(NoSuchStreamHash):
out = yield self.manager.get_stream_info(random_lbry_hash())
# check save of sd blob hash
sd_blob_hash = random_lbry_hash()
yield self.manager.save_sd_blob_hash_to_stream(stream_hash, sd_blob_hash)
out = yield self.manager.get_sd_blob_hashes_for_stream(stream_hash)
self.assertEqual(1, len(out))
self.assertEqual(sd_blob_hash, out[0])
out = yield self.manager.get_stream_hash_for_sd_hash(sd_blob_hash)
self.assertEqual(stream_hash, out)
# delete stream
yield self.manager.delete_stream(stream_hash)
out = yield self.manager.check_if_stream_exists(stream_hash)
self.assertFalse(out)
def start_lbry_reuploader(sd_hash,
kill_event,
dead_event,
ready_event,
n,
ul_rate_limit=None,
is_generous=False):
use_epoll_on_linux()
init_conf_windows()
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, blob_dir = mk_db_and_blob_dir()
session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=db_dir,
node_id="abcd" + str(n),
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],
external_ip="127.0.0.1")
stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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, None),
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())
ds.append(rm_db_and_blob_dir(db_dir, blob_dir))
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 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, 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,
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.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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 _: 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_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,
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.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 _: 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
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
@unittest.skipIf(is_android(),
'Test cannot pass on Android because multiprocessing '
'is not supported at the OS level.')
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,
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,
dht_node_class=Node, is_generous=self.is_generous, external_ip="127.0.0.1")
self.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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
@unittest.skipIf(is_android(),
'Test cannot pass on Android because multiprocessing '
'is not supported at the OS level.')
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, 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, 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")
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 _: rm_db_and_blob_dir(db_dir, blob_dir))
dl.addCallback(lambda _: arg)
return dl
d.addBoth(stop)
return d
@unittest.skipIf(is_android(),
'Test cannot pass on Android because multiprocessing '
'is not supported at the OS level.')
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,
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.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 _: 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
@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, 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,
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.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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 _: 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_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, 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,
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.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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 _: 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_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,
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,
dht_node_class=Node,
is_generous=self.is_generous,
external_ip="127.0.0.1")
self.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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
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
@unittest.skipIf(is_android(),
'Test cannot pass on Android because multiprocessing '
'is not supported at the OS level.')
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,
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,
dht_node_class=Node,
is_generous=self.is_generous,
external_ip="127.0.0.1")
self.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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
@unittest.skipIf(is_android(),
'Test cannot pass on Android because multiprocessing '
'is not supported at the OS level.')
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, 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,
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")
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 _: rm_db_and_blob_dir(db_dir, blob_dir))
dl.addCallback(lambda _: arg)
return dl
d.addBoth(stop)
return d
@unittest.skipIf(is_android(),
'Test cannot pass on Android because multiprocessing '
'is not supported at the OS level.')
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,
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.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 _: 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
@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, 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,
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.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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 _: 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
class TestStreamify(TestCase):
def setUp(self):
mocks.mock_conf_settings(self)
self.session = None
self.stream_info_manager = None
self.lbry_file_manager = None
self.addCleanup(self.take_down_env)
self.is_generous = True
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():
shutil.rmtree('client')
if os.path.exists("test_file"):
os.remove("test_file")
d.addCallback(lambda _: threads.deferToThread(delete_test_env))
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(
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,
is_generous=self.is_generous, external_ip="127.0.0.1"
)
self.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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
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()
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(info):
stream_hash, sd_hash = info
prm = self.session.payment_rate_manager
d = self.lbry_file_manager.add_lbry_file(stream_hash, sd_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")
sd_hash = yield publish_sd_blob(self.stream_info_manager, self.session.blob_manager,
stream_hash)
defer.returnValue((stream_hash, sd_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_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
class TestStreamify(TestCase):
def setUp(self):
mocks.mock_conf_settings(self)
self.session = None
self.stream_info_manager = None
self.lbry_file_manager = None
self.addCleanup(self.take_down_env)
self.is_generous = True
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():
shutil.rmtree('client')
if os.path.exists("test_file"):
os.remove("test_file")
d.addCallback(lambda _: threads.deferToThread(delete_test_env))
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(
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,
is_generous=self.is_generous, external_ip="127.0.0.1"
)
self.stream_info_manager = DBEncryptedFileMetadataManager(db_dir)
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
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(info):
stream_hash, sd_hash = info
prm = self.session.payment_rate_manager
d = self.lbry_file_manager.add_lbry_file(stream_hash, sd_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")
sd_hash = yield publish_sd_blob(self.stream_info_manager, self.session.blob_manager,
stream_hash)
defer.returnValue((stream_hash, sd_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
