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