def setup(self):
"""Create the blob directory and database if necessary, start all desired services"""
log.debug("Setting up the lbry session")
if self.lbryid is None:
self.lbryid = generate_id()
if self.wallet is None:
self.wallet = PTCWallet(self.db_dir)
if self.peer_manager is None:
self.peer_manager = PeerManager()
if self.use_upnp is True:
d = self._try_upnp()
else:
d = defer.succeed(True)
if self.peer_finder is None:
d.addCallback(lambda _: self._setup_dht())
else:
if self.hash_announcer is None and self.peer_port is not None:
log.warning(
"The server has no way to advertise its available blobs.")
self.hash_announcer = DummyHashAnnouncer()
d.addCallback(lambda _: self._setup_other_components())
return d
def start(self):
use_epoll_on_linux()
from twisted.internet import reactor
self.reactor = reactor
logging.debug("Starting the uploader")
Random.atfork()
r = random.Random()
r.seed("start_lbry_uploader")
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 1)
hash_announcer = FakeAnnouncer()
rate_limiter = RateLimiter()
self.sd_identifier = StreamDescriptorIdentifier()
db_dir = "server"
os.mkdir(db_dir)
self.session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1], db_dir=db_dir, lbryid="abcd",
peer_finder=peer_finder, hash_announcer=hash_announcer, peer_port=5553,
use_upnp=False, rate_limiter=rate_limiter, wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker,
dht_node_class=Node, is_generous=self.is_generous)
stream_info_manager = TempEncryptedFileMetadataManager()
self.lbry_file_manager = EncryptedFileManager(
self.session, stream_info_manager, self.sd_identifier)
if self.ul_rate_limit is not None:
self.session.rate_limiter.set_ul_limit(self.ul_rate_limit)
reactor.callLater(1, self.start_all)
if not reactor.running:
reactor.run()
def 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_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 __init__(self, node_id=None, udpPort=4000, dataStore=None,
routingTableClass=None, networkProtocol=None,
externalIP=None, peerPort=3333, listenUDP=None,
callLater=None, resolve=None, clock=None, peer_finder=None,
peer_manager=None, interface='', externalUDPPort=None):
"""
@param dataStore: The data store to use. This must be class inheriting
from the C{DataStore} interface (or providing the
same API). How the data store manages its data
internally is up to the implementation of that data
store.
@type dataStore: entangled.kademlia.datastore.DataStore
@param routingTable: The routing table class to use. Since there exists
some ambiguity as to how the routing table should be
implemented in Kademlia, a different routing table
may be used, as long as the appropriate API is
exposed. This should be a class, not an object,
in order to allow the Node to pass an
auto-generated node ID to the routingtable object
upon instantiation (if necessary).
@type routingTable: entangled.kademlia.routingtable.RoutingTable
@param networkProtocol: The network protocol to use. This can be
overridden from the default to (for example)
change the format of the physical RPC messages
being transmitted.
@type networkProtocol: entangled.kademlia.protocol.KademliaProtocol
@param externalIP: the IP at which this node can be contacted
@param peerPort: the port at which this node announces it has a blob for
"""
super().__init__(clock, callLater, resolve, listenUDP)
self.node_id = node_id or self._generateID()
self.port = udpPort
self._listen_interface = interface
self._change_token_lc = self.get_looping_call(self.change_token)
self._refresh_node_lc = self.get_looping_call(self._refreshNode)
self._refresh_contacts_lc = self.get_looping_call(self._refreshContacts)
# Create k-buckets (for storing contacts)
if routingTableClass is None:
self._routingTable = routingtable.TreeRoutingTable(self.node_id, self.clock.seconds)
else:
self._routingTable = routingTableClass(self.node_id, self.clock.seconds)
# Initialize this node's network access mechanisms
if networkProtocol is None:
self._protocol = protocol.KademliaProtocol(self)
else:
self._protocol = networkProtocol
# Initialize the data storage mechanism used by this node
self.token_secret = self._generateID()
self.old_token_secret = None
self.externalIP = externalIP
self.peerPort = peerPort
self.externalUDPPort = externalUDPPort or self.port
self._dataStore = dataStore or datastore.DictDataStore(self.clock.seconds)
self.peer_manager = peer_manager or PeerManager()
self.peer_finder = peer_finder or DHTPeerFinder(self, self.peer_manager)
self._join_deferred = None
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 __init__(self, clock, is_good=True, is_delayed=False, has_moc_query_handler=True):
self.rate_limiter = RateLimiter()
query_handler_factory = MocQueryHandlerFactory(clock, is_good, is_delayed)
if has_moc_query_handler:
self.query_handler_factories = {
query_handler_factory.get_primary_query_identifier():query_handler_factory
}
else:
self.query_handler_factories = {}
self.peer_manager = PeerManager()
def start(self):
if self.peer_manager is None:
self.peer_manager = PeerManager()
def match_port(h, p):
return h, p
def join_resolved_addresses(result):
addresses = []
for success, value in result:
if success is True:
addresses.append(value)
return addresses
def start_dht(addresses):
log.info("Starting the dht")
log.info("lbry id: %s",
base64.encodestring(self.lbryid).strip("\n"))
self.dht_node.joinNetwork(addresses)
self.peer_finder.run_manage_loop()
self.hash_announcer.run_manage_loop()
ds = []
for host, port in self.known_dht_nodes:
d = reactor.resolve(host)
d.addCallback(match_port, port)
ds.append(d)
if self.dht_node is None:
self.dht_node = Node(udpPort=self.dht_node_port,
lbryid=self.lbryid,
externalIP=self.external_ip)
if self.peer_finder is None:
self.peer_finder = DHTPeerFinder(self.dht_node, self.peer_manager)
if self.hash_announcer is None:
self.hash_announcer = DHTHashAnnouncer(self.dht_node,
self.peer_port)
if self.blob_manager is None:
self.blob_manager = DiskBlobManager(self.hash_announcer,
self.blob_dir,
self.blob_data_dir)
d1 = defer.DeferredList(ds)
d1.addCallback(join_resolved_addresses)
d1.addCallback(start_dht)
d2 = self.blob_manager.setup()
dl = defer.DeferredList([d1, d2],
fireOnOneErrback=True,
consumeErrors=True)
return dl
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):
init_conf_windows()
self.db_dir, self.blob_dir = mk_db_and_blob_dir()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.rate_limiter = RateLimiter()
if self.ul_rate_limit is not None:
self.rate_limiter.set_ul_limit(self.ul_rate_limit)
self.prm = OnlyFreePaymentsManager()
self.storage = SQLiteStorage(self.db_dir)
self.blob_manager = DiskBlobManager(self.blob_dir, self.storage)
self.lbry_file_manager = EncryptedFileManager(
FakePeerFinder(5553, self.peer_manager, 1), self.rate_limiter,
self.blob_manager, self.wallet, self.prm, self.storage,
StreamDescriptorIdentifier())
yield self.storage.setup()
yield self.blob_manager.setup()
yield self.lbry_file_manager.setup()
query_handler_factories = {
1:
BlobAvailabilityHandlerFactory(self.blob_manager),
2:
BlobRequestHandlerFactory(self.blob_manager, self.wallet, self.prm,
None),
3:
self.wallet.get_wallet_info_query_handler_factory(),
}
server_factory = ServerProtocolFactory(self.rate_limiter,
query_handler_factories,
self.peer_manager)
self.server_port = reactor.listenTCP(5553,
server_factory,
interface="localhost")
test_file = GenFile(self.file_size,
b''.join([chr(i) for i in xrange(0, 64, 6)]))
lbry_file = yield create_lbry_file(self.blob_manager, self.storage,
self.prm, self.lbry_file_manager,
"test_file", test_file)
defer.returnValue(lbry_file.sd_hash)
def setUp(self):
mocks.mock_conf_settings(self)
self.db_dir, self.blob_dir = mk_db_and_blob_dir()
self.wallet = FakeWallet()
self.peer_manager = PeerManager()
self.peer_finder = FakePeerFinder(5553, self.peer_manager, 1)
self.rate_limiter = RateLimiter()
self.prm = OnlyFreePaymentsManager()
self.storage = SQLiteStorage(self.db_dir)
self.blob_manager = DiskBlobManager(self.blob_dir, self.storage)
self.sd_identifier = StreamDescriptorIdentifier()
self.lbry_file_manager = EncryptedFileManager(
self.peer_finder, self.rate_limiter, self.blob_manager,
self.wallet, self.prm, self.storage, self.sd_identifier)
self.uploader = LbryUploader(5209343)
self.sd_hash = yield self.uploader.setup()
yield self.storage.setup()
yield self.blob_manager.setup()
yield self.lbry_file_manager.setup()
yield add_lbry_file_to_sd_identifier(self.sd_identifier)
def start(self):
use_epoll_on_linux()
init_conf_windows()
from twisted.internet import reactor
self.reactor = reactor
logging.debug("Starting the 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,
dht_node_port=4445,
use_upnp=False,
rate_limiter=rate_limiter,
wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker,
dht_node_class=FakeNode,
is_generous=self.is_generous,
external_ip="127.0.0.1")
self.lbry_file_manager = EncryptedFileManager(self.session,
self.sd_identifier)
if self.ul_rate_limit is not None:
self.session.rate_limiter.set_ul_limit(self.ul_rate_limit)
reactor.callLater(1, self.start_all)
if not reactor.running:
reactor.run()
def 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_last_blob_retrieval(self):
kill_event = Event()
dead_event_1 = Event()
blob_hash_queue_1 = Queue()
blob_hash_queue_2 = Queue()
fast_uploader = Process(target=start_blob_uploader,
args=(blob_hash_queue_1, kill_event,
dead_event_1, False))
fast_uploader.start()
self.server_processes.append(fast_uploader)
dead_event_2 = Event()
slow_uploader = Process(target=start_blob_uploader,
args=(blob_hash_queue_2, kill_event,
dead_event_2, True))
slow_uploader.start()
self.server_processes.append(slow_uploader)
logging.debug("Testing transfer")
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 2)
hash_announcer = FakeAnnouncer()
rate_limiter = DummyRateLimiter()
db_dir = "client"
blob_dir = os.path.join(db_dir, "blobfiles")
os.mkdir(db_dir)
os.mkdir(blob_dir)
self.session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=db_dir,
lbryid="abcd",
peer_finder=peer_finder,
hash_announcer=hash_announcer,
blob_dir=blob_dir,
peer_port=5553,
use_upnp=False,
rate_limiter=rate_limiter,
wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker,
is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1])
d1 = self.wait_for_hash_from_queue(blob_hash_queue_1)
d2 = self.wait_for_hash_from_queue(blob_hash_queue_2)
d = defer.DeferredList([d1, d2], fireOnOneErrback=True)
def get_blob_hash(results):
self.assertEqual(results[0][1], results[1][1])
return results[0][1]
d.addCallback(get_blob_hash)
def download_blob(blob_hash):
prm = self.session.payment_rate_manager
downloader = StandaloneBlobDownloader(blob_hash,
self.session.blob_manager,
peer_finder, rate_limiter,
prm, wallet)
d = downloader.download()
return d
def start_transfer(blob_hash):
logging.debug("Starting the transfer")
d = self.session.setup()
d.addCallback(lambda _: download_blob(blob_hash))
return d
d.addCallback(start_transfer)
def stop(arg):
if isinstance(arg, Failure):
logging.debug("Client is stopping due to an error. Error: %s",
arg.getTraceback())
else:
logging.debug("Client is stopping normally.")
kill_event.set()
logging.debug("Set the kill event")
d1 = self.wait_for_event(dead_event_1, 15)
d2 = self.wait_for_event(dead_event_2, 15)
dl = defer.DeferredList([d1, d2])
def print_shutting_down():
logging.info("Client is shutting down")
dl.addCallback(lambda _: print_shutting_down())
dl.addCallback(lambda _: arg)
return dl
d.addBoth(stop)
return d
def test_double_download(self):
sd_hash_queue = Queue()
kill_event = Event()
dead_event = Event()
lbry_uploader = LbryUploader(sd_hash_queue, kill_event, dead_event,
5209343)
uploader = Process(target=lbry_uploader.start)
uploader.start()
self.server_processes.append(uploader)
logging.debug("Testing double download")
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 1)
hash_announcer = FakeAnnouncer()
rate_limiter = DummyRateLimiter()
sd_identifier = StreamDescriptorIdentifier()
downloaders = []
db_dir = "client"
blob_dir = os.path.join(db_dir, "blobfiles")
os.mkdir(db_dir)
os.mkdir(blob_dir)
self.session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=db_dir,
lbryid="abcd",
peer_finder=peer_finder,
hash_announcer=hash_announcer,
blob_dir=blob_dir,
peer_port=5553,
use_upnp=False,
rate_limiter=rate_limiter,
wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker,
is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1])
self.stream_info_manager = DBEncryptedFileMetadataManager(
self.session.db_dir)
self.lbry_file_manager = EncryptedFileManager(self.session,
self.stream_info_manager,
sd_identifier)
@defer.inlineCallbacks
def make_downloader(metadata, prm):
info_validator = metadata.validator
options = metadata.options
factories = metadata.factories
chosen_options = [
o.default_value
for o in options.get_downloader_options(info_validator, prm)
]
downloader = yield factories[0].make_downloader(
metadata, chosen_options, prm)
defer.returnValue(downloader)
def append_downloader(downloader):
downloaders.append(downloader)
return downloader
@defer.inlineCallbacks
def download_file(sd_hash):
prm = self.session.payment_rate_manager
sd_blob = yield download_sd_blob(self.session, sd_hash, prm)
metadata = yield sd_identifier.get_metadata_for_sd_blob(sd_blob)
downloader = yield make_downloader(metadata, prm)
downloaders.append(downloader)
finished_value = yield downloader.start()
defer.returnValue(finished_value)
def check_md5_sum():
f = open('test_file')
hashsum = MD5.new()
hashsum.update(f.read())
self.assertEqual(hashsum.hexdigest(),
"4ca2aafb4101c1e42235aad24fbb83be")
def delete_lbry_file():
logging.debug("deleting the file")
d = self.lbry_file_manager.delete_lbry_file(downloaders[0])
d.addCallback(
lambda _: self.lbry_file_manager.get_count_for_stream_hash(
downloaders[0].stream_hash))
d.addCallback(lambda c: self.stream_info_manager.delete_stream(
downloaders[1].stream_hash) if c == 0 else True)
return d
def check_lbry_file():
d = downloaders[1].status()
d.addCallback(lambda _: downloaders[1].status())
def check_status_report(status_report):
self.assertEqual(status_report.num_known,
status_report.num_completed)
self.assertEqual(status_report.num_known, 3)
d.addCallback(check_status_report)
return d
@defer.inlineCallbacks
def start_transfer(sd_hash):
logging.debug("Starting the transfer")
yield self.session.setup()
yield self.stream_info_manager.setup()
yield add_lbry_file_to_sd_identifier(sd_identifier)
yield self.lbry_file_manager.setup()
yield download_file(sd_hash)
yield check_md5_sum()
yield download_file(sd_hash)
yield 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 start_lbry_reuploader(sd_hash,
kill_event,
dead_event,
ready_event,
n,
ul_rate_limit=None,
is_generous=False):
use_epoll_on_linux()
from twisted.internet import reactor
logging.debug("Starting the uploader")
Random.atfork()
r = random.Random()
r.seed("start_lbry_reuploader")
wallet = FakeWallet()
peer_port = 5553 + n
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 1)
hash_announcer = FakeAnnouncer()
rate_limiter = RateLimiter()
sd_identifier = StreamDescriptorIdentifier()
db_dir = "server_" + str(n)
blob_dir = os.path.join(db_dir, "blobfiles")
os.mkdir(db_dir)
os.mkdir(blob_dir)
session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=db_dir,
lbryid="abcd" + str(n),
peer_finder=peer_finder,
hash_announcer=hash_announcer,
blob_dir=None,
peer_port=peer_port,
use_upnp=False,
rate_limiter=rate_limiter,
wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker,
is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1])
stream_info_manager = TempEncryptedFileMetadataManager()
lbry_file_manager = EncryptedFileManager(session, stream_info_manager,
sd_identifier)
if ul_rate_limit is not None:
session.rate_limiter.set_ul_limit(ul_rate_limit)
def make_downloader(metadata, prm):
info_validator = metadata.validator
options = metadata.options
factories = metadata.factories
chosen_options = [
o.default_value
for o in options.get_downloader_options(info_validator, prm)
]
return factories[0].make_downloader(metadata, chosen_options, prm)
def download_file():
prm = session.payment_rate_manager
d = download_sd_blob(session, sd_hash, prm)
d.addCallback(sd_identifier.get_metadata_for_sd_blob)
d.addCallback(make_downloader, prm)
d.addCallback(lambda downloader: downloader.start())
return d
def start_transfer():
logging.debug("Starting the transfer")
d = session.setup()
d.addCallback(lambda _: add_lbry_file_to_sd_identifier(sd_identifier))
d.addCallback(lambda _: lbry_file_manager.setup())
d.addCallback(lambda _: download_file())
return d
def start_server():
server_port = None
query_handler_factories = {
1:
BlobAvailabilityHandlerFactory(session.blob_manager),
2:
BlobRequestHandlerFactory(session.blob_manager, session.wallet,
session.payment_rate_manager, 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())
kill_check.stop()
dead_event.set()
dl = defer.DeferredList(ds)
dl.addCallback(lambda _: reactor.stop())
return dl
def check_for_kill():
if kill_event.is_set():
kill_server()
kill_check = task.LoopingCall(check_for_kill)
kill_check.start(1.0)
ready_event.set()
logging.debug("set the ready event")
d = task.deferLater(reactor, 1.0, start_transfer)
d.addCallback(lambda _: start_server())
if not reactor.running:
reactor.run()
def start_blob_uploader(blob_hash_queue,
kill_event,
dead_event,
slow,
is_generous=False):
use_epoll_on_linux()
from twisted.internet import reactor
logging.debug("Starting the uploader")
Random.atfork()
wallet = FakeWallet()
peer_manager = PeerManager()
peer_finder = FakePeerFinder(5553, peer_manager, 1)
hash_announcer = FakeAnnouncer()
rate_limiter = RateLimiter()
if slow is True:
peer_port = 5553
db_dir = "server1"
else:
peer_port = 5554
db_dir = "server2"
blob_dir = os.path.join(db_dir, "blobfiles")
os.mkdir(db_dir)
os.mkdir(blob_dir)
session = Session(
conf.ADJUSTABLE_SETTINGS['data_rate'][1],
db_dir=db_dir,
lbryid="efgh",
peer_finder=peer_finder,
hash_announcer=hash_announcer,
blob_dir=blob_dir,
peer_port=peer_port,
use_upnp=False,
rate_limiter=rate_limiter,
wallet=wallet,
blob_tracker_class=DummyBlobAvailabilityTracker,
is_generous=conf.ADJUSTABLE_SETTINGS['is_generous_host'][1])
if slow is True:
session.rate_limiter.set_ul_limit(2**11)
def start_all():
d = session.setup()
d.addCallback(lambda _: start_server())
d.addCallback(lambda _: create_single_blob())
d.addCallback(put_blob_hash_on_queue)
def print_error(err):
logging.critical("Server error: %s", err.getErrorMessage())
d.addErrback(print_error)
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())
if server_port:
ds.append(server_port.stopListening())
kill_check.stop()
dead_event.set()
dl = defer.DeferredList(ds)
dl.addCallback(lambda _: reactor.stop())
return dl
def check_for_kill():
if kill_event.is_set():
kill_server()
kill_check = task.LoopingCall(check_for_kill)
kill_check.start(1.0)
return True
def create_single_blob():
blob_creator = session.blob_manager.get_blob_creator()
blob_creator.write("0" * 2**21)
return blob_creator.close()
def put_blob_hash_on_queue(blob_hash):
logging.debug("Telling the client to start running. Blob hash: %s",
str(blob_hash))
blob_hash_queue.put(blob_hash)
logging.debug("blob hash has been added to the queue")
reactor.callLater(1, start_all)
if not reactor.running:
reactor.run()
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")
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),
dht_node_port=4446,
dht_node_class=FakeNode,
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")
lbry_file_manager = EncryptedFileManager(session, sd_identifier)
if ul_rate_limit is not None:
session.rate_limiter.set_ul_limit(ul_rate_limit)
def make_downloader(metadata, prm, download_directory):
factories = metadata.factories
return factories[0].make_downloader(metadata,
prm.min_blob_data_payment_rate,
prm, download_directory)
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, db_dir)
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_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
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 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_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 __init__(self, node_id=None, udpPort=4000, dataStore=None,
routingTableClass=None, networkProtocol=None,
externalIP=None, peerPort=None, listenUDP=None,
callLater=None, resolve=None, clock=None, peer_finder=None,
peer_manager=None):
"""
@param dataStore: The data store to use. This must be class inheriting
from the C{DataStore} interface (or providing the
same API). How the data store manages its data
internally is up to the implementation of that data
store.
@type dataStore: entangled.kademlia.datastore.DataStore
@param routingTable: The routing table class to use. Since there exists
some ambiguity as to how the routing table should be
implemented in Kademlia, a different routing table
may be used, as long as the appropriate API is
exposed. This should be a class, not an object,
in order to allow the Node to pass an
auto-generated node ID to the routingtable object
upon instantiation (if necessary).
@type routingTable: entangled.kademlia.routingtable.RoutingTable
@param networkProtocol: The network protocol to use. This can be
overridden from the default to (for example)
change the format of the physical RPC messages
being transmitted.
@type networkProtocol: entangled.kademlia.protocol.KademliaProtocol
@param externalIP: the IP at which this node can be contacted
@param peerPort: the port at which this node announces it has a blob for
"""
if not listenUDP or not resolve or not callLater or not clock:
from twisted.internet import reactor
listenUDP = listenUDP or reactor.listenUDP
resolve = resolve or reactor.resolve
callLater = callLater or reactor.callLater
clock = clock or reactor
self.clock = clock
CallLaterManager.setup(callLater)
self.reactor_resolve = resolve
self.reactor_listenUDP = listenUDP
self.reactor_callLater = CallLaterManager.call_later
self.reactor_callSoon = CallLaterManager.call_soon
self.node_id = node_id or self._generateID()
self.port = udpPort
self._listeningPort = None # object implementing Twisted
# IListeningPort This will contain a deferred created when
# joining the network, to enable publishing/retrieving
# information from the DHT as soon as the node is part of the
# network (add callbacks to this deferred if scheduling such
# operations before the node has finished joining the network)
self._joinDeferred = defer.Deferred(None)
self.change_token_lc = task.LoopingCall(self.change_token)
self.change_token_lc.clock = self.clock
self.refresh_node_lc = task.LoopingCall(self._refreshNode)
self.refresh_node_lc.clock = self.clock
# Create k-buckets (for storing contacts)
if routingTableClass is None:
self._routingTable = routingtable.OptimizedTreeRoutingTable(self.node_id, self.clock.seconds)
else:
self._routingTable = routingTableClass(self.node_id, self.clock.seconds)
# Initialize this node's network access mechanisms
if networkProtocol is None:
self._protocol = protocol.KademliaProtocol(self)
else:
self._protocol = networkProtocol
# Initialize the data storage mechanism used by this node
self.token_secret = self._generateID()
self.old_token_secret = None
if dataStore is None:
self._dataStore = datastore.DictDataStore()
else:
self._dataStore = dataStore
# Try to restore the node's state...
if 'nodeState' in self._dataStore:
state = self._dataStore['nodeState']
self.node_id = state['id']
for contactTriple in state['closestNodes']:
contact = Contact(
contactTriple[0], contactTriple[1], contactTriple[2], self._protocol)
self._routingTable.addContact(contact)
self.externalIP = externalIP
self.peerPort = peerPort
self.hash_watcher = HashWatcher(self.clock)
self.peer_manager = peer_manager or PeerManager()
self.peer_finder = peer_finder or DHTPeerFinder(self, self.peer_manager)
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