Merge pull request #3576 from lbryio/trackers
Add support for announcing and querying LBRY streams over BEP15 (BitTorrent Trackers)
This commit is contained in:
Victor Shyba
GitHub
commit
2735484fae
16 changed files with 487 additions and 38 deletions
|
|
@ -681,6 +681,10 @@ class Config(CLIConfig):
|
|||
('cdn.reflector.lbry.com', 5567)
|
||||
])
|
||||
|
||||
tracker_servers = Servers("BitTorrent-compatible (BEP15) UDP trackers for helping P2P discovery", [
|
||||
('tracker.lbry.com', 1337)
|
||||
])
|
||||
|
||||
lbryum_servers = Servers("SPV wallet servers", [
|
||||
('spv11.lbry.com', 50001),
|
||||
('spv12.lbry.com', 50001),
|
||||
|
|
|
|||
|
|
@ -27,6 +27,8 @@ from lbry.extras.daemon.storage import SQLiteStorage
|
|||
from lbry.torrent.torrent_manager import TorrentManager
|
||||
from lbry.wallet import WalletManager
|
||||
from lbry.wallet.usage_payment import WalletServerPayer
|
||||
from lbry.torrent.tracker import TrackerClient
|
||||
|
||||
try:
|
||||
from lbry.torrent.session import TorrentSession
|
||||
except ImportError:
|
||||
|
|
@ -48,6 +50,7 @@ BACKGROUND_DOWNLOADER_COMPONENT = "background_downloader"
|
|||
PEER_PROTOCOL_SERVER_COMPONENT = "peer_protocol_server"
|
||||
UPNP_COMPONENT = "upnp"
|
||||
EXCHANGE_RATE_MANAGER_COMPONENT = "exchange_rate_manager"
|
||||
TRACKER_ANNOUNCER_COMPONENT = "tracker_announcer_component"
|
||||
LIBTORRENT_COMPONENT = "libtorrent_component"
|
||||
|
||||
|
||||
|
|
@ -708,3 +711,49 @@ class ExchangeRateManagerComponent(Component):
|
|||
|
||||
async def stop(self):
|
||||
self.exchange_rate_manager.stop()
|
||||
|
||||
|
||||
class TrackerAnnouncerComponent(Component):
|
||||
component_name = TRACKER_ANNOUNCER_COMPONENT
|
||||
depends_on = [FILE_MANAGER_COMPONENT]
|
||||
|
||||
def __init__(self, component_manager):
|
||||
super().__init__(component_manager)
|
||||
self.file_manager = None
|
||||
self.announce_task = None
|
||||
self.tracker_client: typing.Optional[TrackerClient] = None
|
||||
|
||||
@property
|
||||
def component(self):
|
||||
return self.tracker_client
|
||||
|
||||
@property
|
||||
def running(self):
|
||||
return self._running and self.announce_task and not self.announce_task.done()
|
||||
|
||||
async def announce_forever(self):
|
||||
while True:
|
||||
sleep_seconds = 60.0
|
||||
announce_sd_hashes = []
|
||||
for file in self.file_manager.get_filtered():
|
||||
if not file.downloader:
|
||||
continue
|
||||
announce_sd_hashes.append(bytes.fromhex(file.sd_hash))
|
||||
await self.tracker_client.announce_many(*announce_sd_hashes)
|
||||
await asyncio.sleep(sleep_seconds)
|
||||
|
||||
async def start(self):
|
||||
node = self.component_manager.get_component(DHT_COMPONENT) \
|
||||
if self.component_manager.has_component(DHT_COMPONENT) else None
|
||||
node_id = node.protocol.node_id if node else None
|
||||
self.tracker_client = TrackerClient(node_id, self.conf.tcp_port, lambda: self.conf.tracker_servers)
|
||||
await self.tracker_client.start()
|
||||
self.file_manager = self.component_manager.get_component(FILE_MANAGER_COMPONENT)
|
||||
self.announce_task = asyncio.create_task(self.announce_forever())
|
||||
|
||||
async def stop(self):
|
||||
self.file_manager = None
|
||||
if self.announce_task and not self.announce_task.done():
|
||||
self.announce_task.cancel()
|
||||
self.announce_task = None
|
||||
self.tracker_client.stop()
|
||||
|
|
|
|||
|
|
@ -44,7 +44,7 @@ from lbry.error import (
|
|||
from lbry.extras import system_info
|
||||
from lbry.extras.daemon import analytics
|
||||
from lbry.extras.daemon.components import WALLET_COMPONENT, DATABASE_COMPONENT, DHT_COMPONENT, BLOB_COMPONENT
|
||||
from lbry.extras.daemon.components import FILE_MANAGER_COMPONENT, DISK_SPACE_COMPONENT
|
||||
from lbry.extras.daemon.components import FILE_MANAGER_COMPONENT, DISK_SPACE_COMPONENT, TRACKER_ANNOUNCER_COMPONENT
|
||||
from lbry.extras.daemon.components import EXCHANGE_RATE_MANAGER_COMPONENT, UPNP_COMPONENT
|
||||
from lbry.extras.daemon.componentmanager import RequiredCondition
|
||||
from lbry.extras.daemon.componentmanager import ComponentManager
|
||||
|
|
@ -4949,7 +4949,6 @@ class Daemon(metaclass=JSONRPCServerType):
|
|||
DHT / Blob Exchange peer commands.
|
||||
"""
|
||||
|
||||
@requires(DHT_COMPONENT)
|
||||
async def jsonrpc_peer_list(self, blob_hash, page=None, page_size=None):
|
||||
"""
|
||||
Get peers for blob hash
|
||||
|
|
@ -4971,21 +4970,29 @@ class Daemon(metaclass=JSONRPCServerType):
|
|||
if not is_valid_blobhash(blob_hash):
|
||||
# TODO: use error from lbry.error
|
||||
raise Exception("invalid blob hash")
|
||||
peers = []
|
||||
peer_q = asyncio.Queue(loop=self.component_manager.loop)
|
||||
if self.component_manager.has_component(TRACKER_ANNOUNCER_COMPONENT):
|
||||
tracker = self.component_manager.get_component(TRACKER_ANNOUNCER_COMPONENT)
|
||||
tracker_peers = await tracker.get_kademlia_peer_list(bytes.fromhex(blob_hash))
|
||||
log.info("Found %d peers for %s from trackers.", len(tracker_peers), blob_hash[:8])
|
||||
peer_q.put_nowait(tracker_peers)
|
||||
elif not self.component_manager.has_component(DHT_COMPONENT):
|
||||
raise Exception("Peer list needs, at least, either a DHT component or a Tracker component for discovery.")
|
||||
peers = []
|
||||
if self.component_manager.has_component(DHT_COMPONENT):
|
||||
await self.dht_node._peers_for_value_producer(blob_hash, peer_q)
|
||||
while not peer_q.empty():
|
||||
peers.extend(peer_q.get_nowait())
|
||||
results = [
|
||||
{
|
||||
"node_id": hexlify(peer.node_id).decode(),
|
||||
results = {
|
||||
(peer.address, peer.tcp_port): {
|
||||
"node_id": hexlify(peer.node_id).decode() if peer.node_id else None,
|
||||
"address": peer.address,
|
||||
"udp_port": peer.udp_port,
|
||||
"tcp_port": peer.tcp_port,
|
||||
}
|
||||
for peer in peers
|
||||
]
|
||||
return paginate_list(results, page, page_size)
|
||||
}
|
||||
return paginate_list(list(results.values()), page, page_size)
|
||||
|
||||
@requires(DATABASE_COMPONENT)
|
||||
async def jsonrpc_blob_announce(self, blob_hash=None, stream_hash=None, sd_hash=None):
|
||||
|
|
|
|||
|
|
@ -45,6 +45,7 @@ class ManagedDownloadSource:
|
|||
self.purchase_receipt = None
|
||||
self._added_on = added_on
|
||||
self.analytics_manager = analytics_manager
|
||||
self.downloader = None
|
||||
|
||||
self.saving = asyncio.Event(loop=self.loop)
|
||||
self.finished_writing = asyncio.Event(loop=self.loop)
|
||||
|
|
|
|||
|
|
@ -8,6 +8,8 @@ from lbry.error import DownloadSDTimeoutError
|
|||
from lbry.utils import lru_cache_concurrent
|
||||
from lbry.stream.descriptor import StreamDescriptor
|
||||
from lbry.blob_exchange.downloader import BlobDownloader
|
||||
from lbry.torrent.tracker import enqueue_tracker_search
|
||||
|
||||
if typing.TYPE_CHECKING:
|
||||
from lbry.conf import Config
|
||||
from lbry.dht.node import Node
|
||||
|
|
@ -91,6 +93,7 @@ class StreamDownloader:
|
|||
self.accumulate_task.cancel()
|
||||
_, self.accumulate_task = self.node.accumulate_peers(self.search_queue, self.peer_queue)
|
||||
await self.add_fixed_peers()
|
||||
enqueue_tracker_search(bytes.fromhex(self.sd_hash), self.peer_queue)
|
||||
# start searching for peers for the sd hash
|
||||
self.search_queue.put_nowait(self.sd_hash)
|
||||
log.info("searching for peers for stream %s", self.sd_hash)
|
||||
|
|
|
|||
|
|
@ -16,10 +16,8 @@ from lbry.file.source import ManagedDownloadSource
|
|||
|
||||
if typing.TYPE_CHECKING:
|
||||
from lbry.conf import Config
|
||||
from lbry.schema.claim import Claim
|
||||
from lbry.blob.blob_manager import BlobManager
|
||||
from lbry.blob.blob_info import BlobInfo
|
||||
from lbry.dht.node import Node
|
||||
from lbry.extras.daemon.analytics import AnalyticsManager
|
||||
from lbry.wallet.transaction import Transaction
|
||||
|
||||
|
|
|
|||
285
lbry/torrent/tracker.py
Normal file
285
lbry/torrent/tracker.py
Normal file
|
|
@ -0,0 +1,285 @@
|
|||
import random
|
||||
import socket
|
||||
import string
|
||||
import struct
|
||||
import asyncio
|
||||
import logging
|
||||
import time
|
||||
import ipaddress
|
||||
from collections import namedtuple
|
||||
from functools import reduce
|
||||
from typing import Optional
|
||||
|
||||
from lbry.dht.node import get_kademlia_peers_from_hosts
|
||||
from lbry.utils import resolve_host, async_timed_cache, cache_concurrent
|
||||
from lbry.wallet.stream import StreamController
|
||||
from lbry import version
|
||||
|
||||
log = logging.getLogger(__name__)
|
||||
CONNECTION_EXPIRES_AFTER_SECONDS = 50
|
||||
PREFIX = 'LB' # todo: PR BEP20 to add ourselves
|
||||
DEFAULT_TIMEOUT_SECONDS = 10.0
|
||||
DEFAULT_CONCURRENCY_LIMIT = 100
|
||||
# see: http://bittorrent.org/beps/bep_0015.html and http://xbtt.sourceforge.net/udp_tracker_protocol.html
|
||||
ConnectRequest = namedtuple("ConnectRequest", ["connection_id", "action", "transaction_id"])
|
||||
ConnectResponse = namedtuple("ConnectResponse", ["action", "transaction_id", "connection_id"])
|
||||
AnnounceRequest = namedtuple("AnnounceRequest",
|
||||
["connection_id", "action", "transaction_id", "info_hash", "peer_id", "downloaded", "left",
|
||||
"uploaded", "event", "ip_addr", "key", "num_want", "port"])
|
||||
AnnounceResponse = namedtuple("AnnounceResponse",
|
||||
["action", "transaction_id", "interval", "leechers", "seeders", "peers"])
|
||||
CompactIPv4Peer = namedtuple("CompactPeer", ["address", "port"])
|
||||
ScrapeRequest = namedtuple("ScrapeRequest", ["connection_id", "action", "transaction_id", "infohashes"])
|
||||
ScrapeResponse = namedtuple("ScrapeResponse", ["action", "transaction_id", "items"])
|
||||
ScrapeResponseItem = namedtuple("ScrapeResponseItem", ["seeders", "completed", "leechers"])
|
||||
ErrorResponse = namedtuple("ErrorResponse", ["action", "transaction_id", "message"])
|
||||
structs = {
|
||||
ConnectRequest: struct.Struct(">QII"),
|
||||
ConnectResponse: struct.Struct(">IIQ"),
|
||||
AnnounceRequest: struct.Struct(">QII20s20sQQQIIIiH"),
|
||||
AnnounceResponse: struct.Struct(">IIIII"),
|
||||
CompactIPv4Peer: struct.Struct(">IH"),
|
||||
ScrapeRequest: struct.Struct(">QII"),
|
||||
ScrapeResponse: struct.Struct(">II"),
|
||||
ScrapeResponseItem: struct.Struct(">III"),
|
||||
ErrorResponse: struct.Struct(">II")
|
||||
}
|
||||
|
||||
|
||||
def decode(cls, data, offset=0):
|
||||
decoder = structs[cls]
|
||||
if cls is AnnounceResponse:
|
||||
return AnnounceResponse(*decoder.unpack_from(data, offset),
|
||||
peers=[decode(CompactIPv4Peer, data, index) for index in range(20, len(data), 6)])
|
||||
elif cls is ScrapeResponse:
|
||||
return ScrapeResponse(*decoder.unpack_from(data, offset),
|
||||
items=[decode(ScrapeResponseItem, data, index) for index in range(8, len(data), 12)])
|
||||
elif cls is ErrorResponse:
|
||||
return ErrorResponse(*decoder.unpack_from(data, offset), data[decoder.size:])
|
||||
return cls(*decoder.unpack_from(data, offset))
|
||||
|
||||
|
||||
def encode(obj):
|
||||
if isinstance(obj, ScrapeRequest):
|
||||
return structs[ScrapeRequest].pack(*obj[:-1]) + b''.join(obj.infohashes)
|
||||
elif isinstance(obj, ErrorResponse):
|
||||
return structs[ErrorResponse].pack(*obj[:-1]) + obj.message
|
||||
elif isinstance(obj, AnnounceResponse):
|
||||
return structs[AnnounceResponse].pack(*obj[:-1]) + b''.join([encode(peer) for peer in obj.peers])
|
||||
return structs[type(obj)].pack(*obj)
|
||||
|
||||
|
||||
def make_peer_id(random_part: Optional[str] = None) -> bytes:
|
||||
# see https://wiki.theory.org/BitTorrentSpecification#peer_id and https://www.bittorrent.org/beps/bep_0020.html
|
||||
# not to confuse with node id; peer id identifies uniquely the software, version and instance
|
||||
random_part = random_part or ''.join(random.choice(string.ascii_letters) for _ in range(20))
|
||||
return f"{PREFIX}-{'-'.join(map(str, version))}-{random_part}"[:20].encode()
|
||||
|
||||
|
||||
class UDPTrackerClientProtocol(asyncio.DatagramProtocol):
|
||||
def __init__(self, timeout: float = DEFAULT_TIMEOUT_SECONDS):
|
||||
self.transport = None
|
||||
self.data_queue = {}
|
||||
self.timeout = timeout
|
||||
self.semaphore = asyncio.Semaphore(DEFAULT_CONCURRENCY_LIMIT)
|
||||
|
||||
def connection_made(self, transport: asyncio.DatagramTransport) -> None:
|
||||
self.transport = transport
|
||||
|
||||
async def request(self, obj, tracker_ip, tracker_port):
|
||||
self.data_queue[obj.transaction_id] = asyncio.get_running_loop().create_future()
|
||||
try:
|
||||
async with self.semaphore:
|
||||
self.transport.sendto(encode(obj), (tracker_ip, tracker_port))
|
||||
return await asyncio.wait_for(self.data_queue[obj.transaction_id], self.timeout)
|
||||
finally:
|
||||
self.data_queue.pop(obj.transaction_id, None)
|
||||
|
||||
async def connect(self, tracker_ip, tracker_port):
|
||||
transaction_id = random.getrandbits(32)
|
||||
return decode(ConnectResponse,
|
||||
await self.request(ConnectRequest(0x41727101980, 0, transaction_id), tracker_ip, tracker_port))
|
||||
|
||||
@cache_concurrent
|
||||
@async_timed_cache(CONNECTION_EXPIRES_AFTER_SECONDS)
|
||||
async def ensure_connection_id(self, peer_id, tracker_ip, tracker_port):
|
||||
# peer_id is just to ensure cache coherency
|
||||
return (await self.connect(tracker_ip, tracker_port)).connection_id
|
||||
|
||||
async def announce(self, info_hash, peer_id, port, tracker_ip, tracker_port, stopped=False):
|
||||
connection_id = await self.ensure_connection_id(peer_id, tracker_ip, tracker_port)
|
||||
# this should make the key deterministic but unique per info hash + peer id
|
||||
key = int.from_bytes(info_hash[:4], "big") ^ int.from_bytes(peer_id[:4], "big") ^ port
|
||||
transaction_id = random.getrandbits(32)
|
||||
req = AnnounceRequest(
|
||||
connection_id, 1, transaction_id, info_hash, peer_id, 0, 0, 0, 3 if stopped else 1, 0, key, -1, port)
|
||||
return decode(AnnounceResponse, await self.request(req, tracker_ip, tracker_port))
|
||||
|
||||
async def scrape(self, infohashes, tracker_ip, tracker_port, connection_id=None):
|
||||
connection_id = await self.ensure_connection_id(None, tracker_ip, tracker_port)
|
||||
transaction_id = random.getrandbits(32)
|
||||
reply = await self.request(
|
||||
ScrapeRequest(connection_id, 2, transaction_id, infohashes), tracker_ip, tracker_port)
|
||||
return decode(ScrapeResponse, reply), connection_id
|
||||
|
||||
def datagram_received(self, data: bytes, addr: (str, int)) -> None:
|
||||
if len(data) < 8:
|
||||
return
|
||||
transaction_id = int.from_bytes(data[4:8], byteorder="big", signed=False)
|
||||
if transaction_id in self.data_queue:
|
||||
if not self.data_queue[transaction_id].done():
|
||||
if data[3] == 3:
|
||||
return self.data_queue[transaction_id].set_exception(Exception(decode(ErrorResponse, data).message))
|
||||
return self.data_queue[transaction_id].set_result(data)
|
||||
log.debug("unexpected packet (can be a response for a previously timed out request): %s", data.hex())
|
||||
|
||||
def connection_lost(self, exc: Exception = None) -> None:
|
||||
self.transport = None
|
||||
|
||||
|
||||
class TrackerClient:
|
||||
event_controller = StreamController()
|
||||
|
||||
def __init__(self, node_id, announce_port, get_servers, timeout=10.0):
|
||||
self.client = UDPTrackerClientProtocol(timeout=timeout)
|
||||
self.transport = None
|
||||
self.peer_id = make_peer_id(node_id.hex() if node_id else None)
|
||||
self.announce_port = announce_port
|
||||
self._get_servers = get_servers
|
||||
self.results = {} # we can't probe the server before the interval, so we keep the result here until it expires
|
||||
self.tasks = {}
|
||||
|
||||
async def start(self):
|
||||
self.transport, _ = await asyncio.get_running_loop().create_datagram_endpoint(
|
||||
lambda: self.client, local_addr=("0.0.0.0", 0))
|
||||
self.event_controller.stream.listen(
|
||||
lambda request: self.on_hash(request[1], request[2]) if request[0] == 'search' else None)
|
||||
|
||||
def stop(self):
|
||||
while self.tasks:
|
||||
self.tasks.popitem()[1].cancel()
|
||||
if self.transport is not None:
|
||||
self.transport.close()
|
||||
self.client = None
|
||||
self.transport = None
|
||||
self.event_controller.close()
|
||||
|
||||
def on_hash(self, info_hash, on_announcement=None):
|
||||
if info_hash not in self.tasks:
|
||||
task = asyncio.create_task(self.get_peer_list(info_hash, on_announcement=on_announcement))
|
||||
task.add_done_callback(lambda *_: self.tasks.pop(info_hash, None))
|
||||
self.tasks[info_hash] = task
|
||||
|
||||
async def announce_many(self, *info_hashes, stopped=False):
|
||||
await asyncio.gather(
|
||||
*[self._announce_many(server, info_hashes, stopped=stopped) for server in self._get_servers()],
|
||||
return_exceptions=True)
|
||||
|
||||
async def _announce_many(self, server, info_hashes, stopped=False):
|
||||
tracker_ip = await resolve_host(*server, 'udp')
|
||||
still_good_info_hashes = {
|
||||
info_hash for (info_hash, (next_announcement, _)) in self.results.get(tracker_ip, {}).items()
|
||||
if time.time() < next_announcement
|
||||
}
|
||||
results = await asyncio.gather(
|
||||
*[self._probe_server(info_hash, tracker_ip, server[1], stopped=stopped)
|
||||
for info_hash in info_hashes if info_hash not in still_good_info_hashes],
|
||||
return_exceptions=True)
|
||||
if results:
|
||||
errors = sum([1 for result in results if result is None or isinstance(result, Exception)])
|
||||
log.info("Tracker: finished announcing %d files to %s:%d, %d errors", len(results), *server, errors)
|
||||
|
||||
async def get_peer_list(self, info_hash, stopped=False, on_announcement=None, no_port=False):
|
||||
found = []
|
||||
probes = [self._probe_server(info_hash, *server, stopped, no_port) for server in self._get_servers()]
|
||||
for done in asyncio.as_completed(probes):
|
||||
result = await done
|
||||
if result is not None:
|
||||
await asyncio.gather(*filter(asyncio.iscoroutine, [on_announcement(result)] if on_announcement else []))
|
||||
found.append(result)
|
||||
return found
|
||||
|
||||
async def get_kademlia_peer_list(self, info_hash):
|
||||
responses = await self.get_peer_list(info_hash, no_port=True)
|
||||
return await announcement_to_kademlia_peers(*responses)
|
||||
|
||||
async def _probe_server(self, info_hash, tracker_host, tracker_port, stopped=False, no_port=False):
|
||||
result = None
|
||||
try:
|
||||
tracker_host = await resolve_host(tracker_host, tracker_port, 'udp')
|
||||
except socket.error:
|
||||
log.warning("DNS failure while resolving tracker host: %s, skipping.", tracker_host)
|
||||
return
|
||||
self.results.setdefault(tracker_host, {})
|
||||
if info_hash in self.results[tracker_host]:
|
||||
next_announcement, result = self.results[tracker_host][info_hash]
|
||||
if time.time() < next_announcement:
|
||||
return result
|
||||
try:
|
||||
result = await self.client.announce(
|
||||
info_hash, self.peer_id, 0 if no_port else self.announce_port, tracker_host, tracker_port, stopped)
|
||||
self.results[tracker_host][info_hash] = (time.time() + result.interval, result)
|
||||
except asyncio.TimeoutError: # todo: this is UDP, timeout is common, we need a better metric for failures
|
||||
self.results[tracker_host][info_hash] = (time.time() + 60.0, result)
|
||||
log.debug("Tracker timed out: %s:%d", tracker_host, tracker_port)
|
||||
return None
|
||||
log.debug("Announced: %s found %d peers for %s", tracker_host, len(result.peers), info_hash.hex()[:8])
|
||||
return result
|
||||
|
||||
|
||||
def enqueue_tracker_search(info_hash: bytes, peer_q: asyncio.Queue):
|
||||
async def on_announcement(announcement: AnnounceResponse):
|
||||
peers = await announcement_to_kademlia_peers(announcement)
|
||||
log.info("Found %d peers from tracker for %s", len(peers), info_hash.hex()[:8])
|
||||
peer_q.put_nowait(peers)
|
||||
TrackerClient.event_controller.add(('search', info_hash, on_announcement))
|
||||
|
||||
|
||||
def announcement_to_kademlia_peers(*announcements: AnnounceResponse):
|
||||
peers = [
|
||||
(str(ipaddress.ip_address(peer.address)), peer.port)
|
||||
for announcement in announcements for peer in announcement.peers if peer.port > 1024 # no privileged or 0
|
||||
]
|
||||
return get_kademlia_peers_from_hosts(peers)
|
||||
|
||||
|
||||
class UDPTrackerServerProtocol(asyncio.DatagramProtocol): # for testing. Not suitable for production
|
||||
def __init__(self):
|
||||
self.transport = None
|
||||
self.known_conns = set()
|
||||
self.peers = {}
|
||||
|
||||
def connection_made(self, transport: asyncio.DatagramTransport) -> None:
|
||||
self.transport = transport
|
||||
|
||||
def add_peer(self, info_hash, ip_address: str, port: int):
|
||||
self.peers.setdefault(info_hash, [])
|
||||
self.peers[info_hash].append(encode_peer(ip_address, port))
|
||||
|
||||
def datagram_received(self, data: bytes, addr: (str, int)) -> None:
|
||||
if len(data) < 16:
|
||||
return
|
||||
action = int.from_bytes(data[8:12], "big", signed=False)
|
||||
if action == 0:
|
||||
req = decode(ConnectRequest, data)
|
||||
connection_id = random.getrandbits(32)
|
||||
self.known_conns.add(connection_id)
|
||||
return self.transport.sendto(encode(ConnectResponse(0, req.transaction_id, connection_id)), addr)
|
||||
elif action == 1:
|
||||
req = decode(AnnounceRequest, data)
|
||||
if req.connection_id not in self.known_conns:
|
||||
resp = encode(ErrorResponse(3, req.transaction_id, b'Connection ID missmatch.\x00'))
|
||||
else:
|
||||
compact_address = encode_peer(addr[0], req.port)
|
||||
if req.event != 3:
|
||||
self.add_peer(req.info_hash, addr[0], req.port)
|
||||
elif compact_address in self.peers.get(req.info_hash, []):
|
||||
self.peers[req.info_hash].remove(compact_address)
|
||||
peers = [decode(CompactIPv4Peer, peer) for peer in self.peers[req.info_hash]]
|
||||
resp = encode(AnnounceResponse(1, req.transaction_id, 1700, 0, len(peers), peers))
|
||||
return self.transport.sendto(resp, addr)
|
||||
|
||||
|
||||
def encode_peer(ip_address: str, port: int):
|
||||
compact_ip = reduce(lambda buff, x: buff + bytearray([int(x)]), ip_address.split('.'), bytearray())
|
||||
return compact_ip + port.to_bytes(2, "big", signed=False)
|
||||
|
|
@ -131,21 +131,6 @@ def json_dumps_pretty(obj, **kwargs):
|
|||
return json.dumps(obj, sort_keys=True, indent=2, separators=(',', ': '), **kwargs)
|
||||
|
||||
|
||||
def cancel_task(task: typing.Optional[asyncio.Task]):
|
||||
if task and not task.done():
|
||||
task.cancel()
|
||||
|
||||
|
||||
def cancel_tasks(tasks: typing.List[typing.Optional[asyncio.Task]]):
|
||||
for task in tasks:
|
||||
cancel_task(task)
|
||||
|
||||
|
||||
def drain_tasks(tasks: typing.List[typing.Optional[asyncio.Task]]):
|
||||
while tasks:
|
||||
cancel_task(tasks.pop())
|
||||
|
||||
|
||||
def async_timed_cache(duration: int):
|
||||
def wrapper(func):
|
||||
cache: typing.Dict[typing.Tuple,
|
||||
|
|
|
|||
|
|
@ -10,6 +10,7 @@ from lbry.stream.descriptor import StreamDescriptor
|
|||
from lbry.testcase import CommandTestCase
|
||||
from lbry.extras.daemon.components import TorrentSession, BACKGROUND_DOWNLOADER_COMPONENT
|
||||
from lbry.wallet import Transaction
|
||||
from lbry.torrent.tracker import UDPTrackerServerProtocol
|
||||
|
||||
|
||||
class FileCommands(CommandTestCase):
|
||||
|
|
@ -102,6 +103,32 @@ class FileCommands(CommandTestCase):
|
|||
await self.daemon.jsonrpc_get('lbry://foo')
|
||||
self.assertItemCount(await self.daemon.jsonrpc_file_list(), 1)
|
||||
|
||||
async def test_tracker_discovery(self):
|
||||
port = 50990
|
||||
server = UDPTrackerServerProtocol()
|
||||
transport, _ = await self.loop.create_datagram_endpoint(lambda: server, local_addr=("127.0.0.1", port))
|
||||
self.addCleanup(transport.close)
|
||||
self.daemon.conf.fixed_peers = []
|
||||
self.daemon.conf.tracker_servers = [("127.0.0.1", port)]
|
||||
tx = await self.stream_create('foo', '0.01')
|
||||
sd_hash = tx['outputs'][0]['value']['source']['sd_hash']
|
||||
self.assertNotIn(bytes.fromhex(sd_hash)[:20], server.peers)
|
||||
server.add_peer(bytes.fromhex(sd_hash)[:20], "127.0.0.1", 5567)
|
||||
self.assertEqual(1, len(server.peers[bytes.fromhex(sd_hash)[:20]]))
|
||||
self.assertTrue(await self.daemon.jsonrpc_file_delete(delete_all=True))
|
||||
stream = await self.daemon.jsonrpc_get('foo', save_file=True)
|
||||
await self.wait_files_to_complete()
|
||||
self.assertEqual(0, stream.blobs_remaining)
|
||||
self.assertEqual(2, len(server.peers[bytes.fromhex(sd_hash)[:20]]))
|
||||
self.assertEqual([{'address': '127.0.0.1',
|
||||
'node_id': None,
|
||||
'tcp_port': 5567,
|
||||
'udp_port': None},
|
||||
{'address': '127.0.0.1',
|
||||
'node_id': None,
|
||||
'tcp_port': 4444,
|
||||
'udp_port': None}], (await self.daemon.jsonrpc_peer_list(sd_hash))['items'])
|
||||
|
||||
async def test_announces(self):
|
||||
# announces on publish
|
||||
self.assertEqual(await self.daemon.storage.get_blobs_to_announce(), [])
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@ from lbry.extras.daemon.components import (
|
|||
DATABASE_COMPONENT, DISK_SPACE_COMPONENT, BLOB_COMPONENT, WALLET_COMPONENT, DHT_COMPONENT,
|
||||
HASH_ANNOUNCER_COMPONENT, FILE_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
|
||||
UPNP_COMPONENT, EXCHANGE_RATE_MANAGER_COMPONENT, WALLET_SERVER_PAYMENTS_COMPONENT,
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT, TRACKER_ANNOUNCER_COMPONENT
|
||||
)
|
||||
from lbry.extras.daemon.daemon import Daemon
|
||||
|
||||
|
|
@ -26,7 +26,7 @@ class CLIIntegrationTest(AsyncioTestCase):
|
|||
DATABASE_COMPONENT, DISK_SPACE_COMPONENT, BLOB_COMPONENT, WALLET_COMPONENT, DHT_COMPONENT,
|
||||
HASH_ANNOUNCER_COMPONENT, FILE_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
|
||||
UPNP_COMPONENT, EXCHANGE_RATE_MANAGER_COMPONENT, WALLET_SERVER_PAYMENTS_COMPONENT,
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT, TRACKER_ANNOUNCER_COMPONENT
|
||||
)
|
||||
Daemon.component_attributes = {}
|
||||
self.daemon = Daemon(conf)
|
||||
|
|
|
|||
|
|
@ -54,7 +54,8 @@ class BlobExchangeTestBase(AsyncioTestCase):
|
|||
download_dir=self.client_dir,
|
||||
wallet=self.client_wallet_dir,
|
||||
save_files=True,
|
||||
fixed_peers=[]
|
||||
fixed_peers=[],
|
||||
tracker_servers=[]
|
||||
)
|
||||
self.client_config.transaction_cache_size = 10000
|
||||
self.client_storage = SQLiteStorage(self.client_config, os.path.join(self.client_dir, "lbrynet.sqlite"))
|
||||
|
|
|
|||
|
|
@ -34,6 +34,7 @@ class TestComponentManager(AsyncioTestCase):
|
|||
],
|
||||
[
|
||||
components.BackgroundDownloaderComponent,
|
||||
components.TrackerAnnouncerComponent
|
||||
]
|
||||
]
|
||||
self.component_manager = ComponentManager(Config())
|
||||
|
|
@ -150,6 +151,9 @@ class FakeDelayedFileManager(FakeComponent):
|
|||
async def start(self):
|
||||
await asyncio.sleep(1)
|
||||
|
||||
def get_filtered(self):
|
||||
return []
|
||||
|
||||
|
||||
class TestComponentManagerProperStart(AdvanceTimeTestCase):
|
||||
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@ from lbry.extras.daemon.components import (
|
|||
DATABASE_COMPONENT, DISK_SPACE_COMPONENT, BLOB_COMPONENT, WALLET_COMPONENT, DHT_COMPONENT,
|
||||
HASH_ANNOUNCER_COMPONENT, FILE_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
|
||||
UPNP_COMPONENT, EXCHANGE_RATE_MANAGER_COMPONENT, WALLET_SERVER_PAYMENTS_COMPONENT,
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT, TRACKER_ANNOUNCER_COMPONENT
|
||||
)
|
||||
from lbry.extras.daemon.daemon import Daemon
|
||||
|
||||
|
|
@ -72,7 +72,7 @@ class TestAccessHeaders(AsyncioTestCase):
|
|||
DATABASE_COMPONENT, DISK_SPACE_COMPONENT, BLOB_COMPONENT, WALLET_COMPONENT, DHT_COMPONENT,
|
||||
HASH_ANNOUNCER_COMPONENT, FILE_MANAGER_COMPONENT, PEER_PROTOCOL_SERVER_COMPONENT,
|
||||
UPNP_COMPONENT, EXCHANGE_RATE_MANAGER_COMPONENT, WALLET_SERVER_PAYMENTS_COMPONENT,
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT
|
||||
LIBTORRENT_COMPONENT, BACKGROUND_DOWNLOADER_COMPONENT, TRACKER_ANNOUNCER_COMPONENT
|
||||
)
|
||||
Daemon.component_attributes = {}
|
||||
self.daemon = Daemon(conf)
|
||||
|
|
|
|||
|
|
@ -13,13 +13,6 @@ from lbry.stream.descriptor import StreamDescriptor
|
|||
from tests.unit.blob_exchange.test_transfer_blob import BlobExchangeTestBase
|
||||
|
||||
|
||||
def get_mock_node(loop):
|
||||
mock_node = mock.Mock(spec=Node)
|
||||
mock_node.joined = asyncio.Event(loop=loop)
|
||||
mock_node.joined.set()
|
||||
return mock_node
|
||||
|
||||
|
||||
class TestManagedStream(BlobExchangeTestBase):
|
||||
async def create_stream(self, blob_count: int = 10, file_name='test_file'):
|
||||
self.stream_bytes = b''
|
||||
|
|
|
|||
0
tests/unit/torrent/__init__.py
Normal file
0
tests/unit/torrent/__init__.py
Normal file
92
tests/unit/torrent/test_tracker.py
Normal file
92
tests/unit/torrent/test_tracker.py
Normal file
|
|
@ -0,0 +1,92 @@
|
|||
import asyncio
|
||||
import random
|
||||
|
||||
from lbry.testcase import AsyncioTestCase
|
||||
from lbry.dht.peer import KademliaPeer
|
||||
from lbry.torrent.tracker import CompactIPv4Peer, TrackerClient, enqueue_tracker_search, UDPTrackerServerProtocol, encode_peer
|
||||
|
||||
|
||||
class UDPTrackerClientTestCase(AsyncioTestCase):
|
||||
async def asyncSetUp(self):
|
||||
self.client_servers_list = []
|
||||
self.servers = {}
|
||||
self.client = TrackerClient(b"\x00" * 48, 4444, lambda: self.client_servers_list, timeout=1)
|
||||
await self.client.start()
|
||||
self.addCleanup(self.client.stop)
|
||||
await self.add_server()
|
||||
|
||||
async def add_server(self, port=None, add_to_client=True):
|
||||
port = port or len(self.servers) + 59990
|
||||
assert port not in self.servers
|
||||
server = UDPTrackerServerProtocol()
|
||||
self.servers[port] = server
|
||||
transport, _ = await self.loop.create_datagram_endpoint(lambda: server, local_addr=("127.0.0.1", port))
|
||||
self.addCleanup(transport.close)
|
||||
if add_to_client:
|
||||
self.client_servers_list.append(("127.0.0.1", port))
|
||||
|
||||
async def test_announce(self):
|
||||
info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
|
||||
announcement = (await self.client.get_peer_list(info_hash))[0]
|
||||
self.assertEqual(announcement.seeders, 1)
|
||||
self.assertEqual(announcement.peers,
|
||||
[CompactIPv4Peer(int.from_bytes(bytes([127, 0, 0, 1]), "big", signed=False), 4444)])
|
||||
|
||||
async def test_announce_many_info_hashes_to_many_servers_with_bad_one_and_dns_error(self):
|
||||
await asyncio.gather(*[self.add_server() for _ in range(3)])
|
||||
self.client_servers_list.append(("no.it.does.not.exist", 7070))
|
||||
self.client_servers_list.append(("127.0.0.2", 7070))
|
||||
info_hashes = [random.getrandbits(160).to_bytes(20, "big", signed=False) for _ in range(5)]
|
||||
await self.client.announce_many(*info_hashes)
|
||||
for server in self.servers.values():
|
||||
self.assertDictEqual(
|
||||
server.peers, {
|
||||
info_hash: [encode_peer("127.0.0.1", self.client.announce_port)] for info_hash in info_hashes
|
||||
})
|
||||
|
||||
async def test_announce_using_helper_function(self):
|
||||
info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
|
||||
queue = asyncio.Queue()
|
||||
enqueue_tracker_search(info_hash, queue)
|
||||
peers = await queue.get()
|
||||
self.assertEqual(peers, [KademliaPeer('127.0.0.1', None, None, 4444, allow_localhost=True)])
|
||||
|
||||
async def test_error(self):
|
||||
info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
|
||||
await self.client.get_peer_list(info_hash)
|
||||
list(self.servers.values())[0].known_conns.clear()
|
||||
self.client.results.clear()
|
||||
with self.assertRaises(Exception) as err:
|
||||
await self.client.get_peer_list(info_hash)
|
||||
self.assertEqual(err.exception.args[0], b'Connection ID missmatch.\x00')
|
||||
|
||||
async def test_multiple_servers(self):
|
||||
await asyncio.gather(*[self.add_server() for _ in range(10)])
|
||||
info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
|
||||
await self.client.get_peer_list(info_hash)
|
||||
for server in self.servers.values():
|
||||
self.assertEqual(server.peers, {info_hash: [encode_peer("127.0.0.1", self.client.announce_port)]})
|
||||
|
||||
async def test_multiple_servers_with_bad_one(self):
|
||||
await asyncio.gather(*[self.add_server() for _ in range(10)])
|
||||
self.client_servers_list.append(("127.0.0.2", 7070))
|
||||
info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
|
||||
await self.client.get_peer_list(info_hash)
|
||||
for server in self.servers.values():
|
||||
self.assertEqual(server.peers, {info_hash: [encode_peer("127.0.0.1", self.client.announce_port)]})
|
||||
|
||||
async def test_multiple_servers_with_different_peers_across_helper_function(self):
|
||||
# this is how the downloader uses it
|
||||
await asyncio.gather(*[self.add_server() for _ in range(10)])
|
||||
info_hash = random.getrandbits(160).to_bytes(20, "big", signed=False)
|
||||
fake_peers = []
|
||||
for server in self.servers.values():
|
||||
for _ in range(10):
|
||||
peer = (f"127.0.0.{random.randint(1, 255)}", random.randint(2000, 65500))
|
||||
fake_peers.append(peer)
|
||||
server.add_peer(info_hash, *peer)
|
||||
peer_q = asyncio.Queue()
|
||||
enqueue_tracker_search(info_hash, peer_q)
|
||||
await asyncio.sleep(0)
|
||||
await asyncio.gather(*self.client.tasks.values())
|
||||
self.assertEqual(11, peer_q.qsize())
|
||||
Loading…
Reference in a new issue