from twisted.internet import defer, threads, error from twisted.trial import unittest from lbrynet import conf from lbrynet.core.StreamDescriptor import get_sd_info from lbrynet import reflector from lbrynet.core import BlobManager, PeerManager from lbrynet.core import Session from lbrynet.core import StreamDescriptor from lbrynet.lbry_file.client import EncryptedFileOptions from lbrynet.file_manager import EncryptedFileCreator from lbrynet.file_manager import EncryptedFileManager from lbrynet.tests import mocks from lbrynet.tests.util import mk_db_and_blob_dir, rm_db_and_blob_dir class TestReflector(unittest.TestCase): def setUp(self): mocks.mock_conf_settings(self) self.session = None self.lbry_file_manager = None self.server_blob_manager = None self.reflector_port = None self.port = None self.addCleanup(self.take_down_env) wallet = mocks.Wallet() peer_manager = PeerManager.PeerManager() peer_finder = mocks.PeerFinder(5553, peer_manager, 2) sd_identifier = StreamDescriptor.StreamDescriptorIdentifier() self.expected_blobs = [ ( 'dc4708f76a5e7af0f1cae0ee96b824e2ed9250c9346c093b' '441f0a20d3607c17948b6fcfb4bc62020fe5286693d08586', 2097152 ), ( 'f4067522c1b49432a2a679512e3917144317caa1abba0c04' '1e0cd2cf9f635d4cf127ce1824fa04189b63916174951f70', 2097152 ), ( '305486c434260484fcb2968ce0e963b72f81ba56c11b08b1' 'af0789b55b44d78422600f9a38e3cf4f2e9569897e5646a9', 1015056 ), ] ## Setup reflector client classes ## self.db_dir, self.blob_dir = mk_db_and_blob_dir() self.session = Session.Session( conf.settings['data_rate'], db_dir=self.db_dir, node_id="abcd", peer_finder=peer_finder, peer_manager=peer_manager, blob_dir=self.blob_dir, peer_port=5553, dht_node_port=4444, wallet=wallet, external_ip="127.0.0.1", dht_node=mocks.Node(), hash_announcer=mocks.Announcer(), ) self.lbry_file_manager = EncryptedFileManager.EncryptedFileManager(self.session, sd_identifier) ## Setup reflector server classes ## self.server_db_dir, self.server_blob_dir = mk_db_and_blob_dir() self.server_session = Session.Session( conf.settings['data_rate'], db_dir=self.server_db_dir, node_id="abcd", peer_finder=peer_finder, peer_manager=peer_manager, blob_dir=self.server_blob_dir, peer_port=5554, dht_node_port=4443, wallet=wallet, external_ip="127.0.0.1", dht_node=mocks.Node(), hash_announcer=mocks.Announcer(), ) self.server_blob_manager = BlobManager.DiskBlobManager(self.server_blob_dir, self.server_session.storage) self.server_lbry_file_manager = EncryptedFileManager.EncryptedFileManager( self.server_session, sd_identifier) d = self.session.setup() d.addCallback(lambda _: EncryptedFileOptions.add_lbry_file_to_sd_identifier(sd_identifier)) d.addCallback(lambda _: self.lbry_file_manager.setup()) d.addCallback(lambda _: self.server_session.setup()) d.addCallback(lambda _: self.server_blob_manager.setup()) d.addCallback(lambda _: self.server_lbry_file_manager.setup()) @defer.inlineCallbacks def verify_equal(sd_info, stream_hash): self.assertDictEqual(mocks.create_stream_sd_file, sd_info) sd_hash = yield self.session.storage.get_sd_blob_hash_for_stream(stream_hash) defer.returnValue(sd_hash) def save_sd_blob_hash(sd_hash): self.sd_hash = sd_hash self.expected_blobs.append((sd_hash, 923)) def verify_stream_descriptor_file(stream_hash): self.stream_hash = stream_hash d = get_sd_info(self.lbry_file_manager.session.storage, stream_hash, True) d.addCallback(verify_equal, stream_hash) d.addCallback(save_sd_blob_hash) return d def create_stream(): test_file = mocks.GenFile(5209343, b''.join([chr(i + 3) for i in xrange(0, 64, 6)])) d = EncryptedFileCreator.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 def start_server(): server_factory = reflector.ServerFactory( peer_manager, self.server_blob_manager, self.server_lbry_file_manager) from twisted.internet import reactor port = 8943 while self.reflector_port is None: try: self.reflector_port = reactor.listenTCP(port, server_factory) self.port = port except error.CannotListenError: port += 1 d.addCallback(lambda _: create_stream()) d.addCallback(verify_stream_descriptor_file) d.addCallback(lambda _: start_server()) return d def take_down_env(self): d = defer.succeed(True) ## Close client classes ## d.addCallback(lambda _: self.lbry_file_manager.stop()) d.addCallback(lambda _: self.session.shut_down()) ## Close server classes ## d.addCallback(lambda _: self.server_blob_manager.stop()) d.addCallback(lambda _: self.server_lbry_file_manager.stop()) d.addCallback(lambda _: self.server_session.shut_down()) d.addCallback(lambda _: self.reflector_port.stopListening()) def delete_test_env(): try: rm_db_and_blob_dir(self.db_dir, self.blob_dir) rm_db_and_blob_dir(self.server_db_dir, self.server_blob_dir) except: raise unittest.SkipTest("TODO: fix this for windows") d.addCallback(lambda _: threads.deferToThread(delete_test_env)) d.addErrback(lambda err: str(err)) return d def test_stream_reflector(self): def verify_blob_on_reflector(): check_blob_ds = [] for blob_hash, blob_size in self.expected_blobs: check_blob_ds.append(verify_have_blob(blob_hash, blob_size)) return defer.DeferredList(check_blob_ds) @defer.inlineCallbacks def verify_stream_on_reflector(): # check stream_info_manager has all the right information streams = yield self.server_session.storage.get_all_streams() self.assertEqual(1, len(streams)) self.assertEqual(self.stream_hash, streams[0]) blobs = yield self.server_session.storage.get_blobs_for_stream(self.stream_hash) blob_hashes = [b.blob_hash for b in blobs if b.blob_hash is not None] expected_blob_hashes = [b[0] for b in self.expected_blobs[:-1] if b[0] is not None] self.assertEqual(expected_blob_hashes, blob_hashes) sd_hash = yield self.server_session.storage.get_sd_blob_hash_for_stream(streams[0]) expected_sd_hash = self.expected_blobs[-1][0] self.assertEqual(self.sd_hash, sd_hash) # check lbry file manager has the file files = yield self.server_lbry_file_manager.lbry_files self.assertEqual(0, len(files)) streams = yield self.server_lbry_file_manager.storage.get_all_streams() self.assertEqual(1, len(streams)) stream_info = yield self.server_lbry_file_manager.storage.get_stream_info(self.stream_hash) self.assertEqual(self.sd_hash, stream_info[3]) self.assertEqual('test_file'.encode('hex'), stream_info[0]) # check should_announce blobs on blob_manager blob_hashes = yield self.server_blob_manager.storage.get_all_should_announce_blobs() self.assertSetEqual({self.sd_hash, expected_blob_hashes[0]}, set(blob_hashes)) def verify_have_blob(blob_hash, blob_size): d = self.server_blob_manager.get_blob(blob_hash) d.addCallback(lambda blob: verify_blob_completed(blob, blob_size)) return d def send_to_server(): factory = reflector.ClientFactory(self.session.blob_manager, self.stream_hash, self.sd_hash) from twisted.internet import reactor reactor.connectTCP('localhost', self.port, factory) return factory.finished_deferred def verify_blob_completed(blob, blob_size): self.assertTrue(blob.get_is_verified()) self.assertEqual(blob_size, blob.length) return d = send_to_server() d.addCallback(lambda _: verify_blob_on_reflector()) d.addCallback(lambda _: verify_stream_on_reflector()) return d def test_blob_reflector(self): def verify_data_on_reflector(): check_blob_ds = [] for blob_hash, blob_size in self.expected_blobs: check_blob_ds.append(verify_have_blob(blob_hash, blob_size)) return defer.DeferredList(check_blob_ds) def verify_have_blob(blob_hash, blob_size): d = self.server_blob_manager.get_blob(blob_hash) d.addCallback(lambda blob: verify_blob_completed(blob, blob_size)) return d def send_to_server(blob_hashes_to_send): factory = reflector.BlobClientFactory( self.session.blob_manager, blob_hashes_to_send ) from twisted.internet import reactor reactor.connectTCP('localhost', self.port, factory) return factory.finished_deferred def verify_blob_completed(blob, blob_size): self.assertTrue(blob.get_is_verified()) self.assertEqual(blob_size, blob.length) d = send_to_server([x[0] for x in self.expected_blobs]) d.addCallback(lambda _: verify_data_on_reflector()) return d def test_blob_reflector_v1(self): @defer.inlineCallbacks def verify_stream_on_reflector(): # this protocol should not have any impact on stream info manager streams = yield self.server_session.storage.get_all_streams() self.assertEqual(0, len(streams)) # there should be no should announce blobs here blob_hashes = yield self.server_blob_manager.storage.get_all_should_announce_blobs() self.assertEqual(0, len(blob_hashes)) def verify_data_on_reflector(): check_blob_ds = [] for blob_hash, blob_size in self.expected_blobs: check_blob_ds.append(verify_have_blob(blob_hash, blob_size)) return defer.DeferredList(check_blob_ds) def verify_have_blob(blob_hash, blob_size): d = self.server_blob_manager.get_blob(blob_hash) d.addCallback(lambda blob: verify_blob_completed(blob, blob_size)) return d def send_to_server(blob_hashes_to_send): factory = reflector.BlobClientFactory( self.session.blob_manager, blob_hashes_to_send ) factory.protocol_version = 0 from twisted.internet import reactor reactor.connectTCP('localhost', self.port, factory) return factory.finished_deferred def verify_blob_completed(blob, blob_size): self.assertTrue(blob.get_is_verified()) self.assertEqual(blob_size, blob.length) d = send_to_server([x[0] for x in self.expected_blobs]) d.addCallback(lambda _: verify_data_on_reflector()) return d # test case when we reflect blob, and than that same blob # is reflected as stream def test_blob_reflect_and_stream(self): def verify_blob_on_reflector(): check_blob_ds = [] for blob_hash, blob_size in self.expected_blobs: check_blob_ds.append(verify_have_blob(blob_hash, blob_size)) return defer.DeferredList(check_blob_ds) @defer.inlineCallbacks def verify_stream_on_reflector(): # check stream_info_manager has all the right information streams = yield self.server_session.storage.get_all_streams() self.assertEqual(1, len(streams)) self.assertEqual(self.stream_hash, streams[0]) blobs = yield self.server_session.storage.get_blobs_for_stream(self.stream_hash) blob_hashes = [b.blob_hash for b in blobs if b.blob_hash is not None] expected_blob_hashes = [b[0] for b in self.expected_blobs[:-1] if b[0] is not None] self.assertEqual(expected_blob_hashes, blob_hashes) sd_hash = yield self.server_session.storage.get_sd_blob_hash_for_stream( self.stream_hash) self.assertEqual(self.sd_hash, sd_hash) # check should_announce blobs on blob_manager to_announce = yield self.server_blob_manager.storage.get_all_should_announce_blobs() self.assertSetEqual(set(to_announce), {self.sd_hash, expected_blob_hashes[0]}) def verify_have_blob(blob_hash, blob_size): d = self.server_blob_manager.get_blob(blob_hash) d.addCallback(lambda blob: verify_blob_completed(blob, blob_size)) return d def send_to_server_as_blobs(blob_hashes_to_send): factory = reflector.BlobClientFactory( self.session.blob_manager, blob_hashes_to_send ) factory.protocol_version = 0 from twisted.internet import reactor reactor.connectTCP('localhost', self.port, factory) return factory.finished_deferred def send_to_server_as_stream(result): factory = reflector.ClientFactory(self.session.blob_manager, self.stream_hash, self.sd_hash) from twisted.internet import reactor reactor.connectTCP('localhost', self.port, factory) return factory.finished_deferred def verify_blob_completed(blob, blob_size): self.assertTrue(blob.get_is_verified()) self.assertEqual(blob_size, blob.length) # Modify this to change which blobs to send blobs_to_send = self.expected_blobs d = send_to_server_as_blobs([x[0] for x in self.expected_blobs]) d.addCallback(send_to_server_as_stream) d.addCallback(lambda _: verify_blob_on_reflector()) d.addCallback(lambda _: verify_stream_on_reflector()) return d def iv_generator(): iv = 0 while True: iv += 1 yield "%016d" % iv