This commit is contained in:
Victor Shyba 2020-01-27 02:10:55 -03:00
parent b09c46f6f7
commit 543c75b293
5 changed files with 81 additions and 70 deletions

View file

@ -17,6 +17,7 @@ from lbry.dht.blob_announcer import BlobAnnouncer
from lbry.blob.blob_manager import BlobManager from lbry.blob.blob_manager import BlobManager
from lbry.blob_exchange.server import BlobServer from lbry.blob_exchange.server import BlobServer
from lbry.stream.stream_manager import StreamManager from lbry.stream.stream_manager import StreamManager
from lbry.file.file_manager import FileManager
from lbry.extras.daemon.component import Component from lbry.extras.daemon.component import Component
from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager
from lbry.extras.daemon.storage import SQLiteStorage from lbry.extras.daemon.storage import SQLiteStorage
@ -331,17 +332,17 @@ class StreamManagerComponent(Component):
def __init__(self, component_manager): def __init__(self, component_manager):
super().__init__(component_manager) super().__init__(component_manager)
self.stream_manager: typing.Optional[StreamManager] = None self.file_manager: typing.Optional[FileManager] = None
@property @property
def component(self) -> typing.Optional[StreamManager]: def component(self) -> typing.Optional[FileManager]:
return self.stream_manager return self.file_manager
async def get_status(self): async def get_status(self):
if not self.stream_manager: if not self.file_manager:
return return
return { return {
'managed_files': len(self.stream_manager._sources), 'managed_files': len(self.file_manager._sources),
} }
async def start(self): async def start(self):
@ -352,14 +353,17 @@ class StreamManagerComponent(Component):
if self.component_manager.has_component(DHT_COMPONENT) else None if self.component_manager.has_component(DHT_COMPONENT) else None
log.info('Starting the file manager') log.info('Starting the file manager')
loop = asyncio.get_event_loop() loop = asyncio.get_event_loop()
self.stream_manager = StreamManager( self.file_manager = FileManager(
loop, self.conf, wallet, storage, self.component_manager.analytics_manager
)
self.file_manager.source_managers['stream'] = StreamManager(
loop, self.conf, blob_manager, wallet, storage, node, self.component_manager.analytics_manager loop, self.conf, blob_manager, wallet, storage, node, self.component_manager.analytics_manager
) )
await self.stream_manager.start() await self.file_manager.start()
log.info('Done setting up file manager') log.info('Done setting up file manager')
async def stop(self): async def stop(self):
self.stream_manager.stop() self.file_manager.stop()
class TorrentComponent(Component): class TorrentComponent(Component):
@ -370,7 +374,7 @@ class TorrentComponent(Component):
self.torrent_session = None self.torrent_session = None
@property @property
def component(self) -> typing.Optional[StreamManager]: def component(self) -> typing.Optional[TorrentSession]:
return self.torrent_session return self.torrent_session
async def get_status(self): async def get_status(self):

View file

@ -1103,7 +1103,7 @@ class Daemon(metaclass=JSONRPCServerType):
if download_directory and not os.path.isdir(download_directory): if download_directory and not os.path.isdir(download_directory):
return {"error": f"specified download directory \"{download_directory}\" does not exist"} return {"error": f"specified download directory \"{download_directory}\" does not exist"}
try: try:
stream = await self.stream_manager.download_stream_from_uri( stream = await self.stream_manager.download_from_uri(
uri, self.exchange_rate_manager, timeout, file_name, download_directory, uri, self.exchange_rate_manager, timeout, file_name, download_directory,
save_file=save_file, wallet=wallet save_file=save_file, wallet=wallet
) )

View file

@ -9,7 +9,7 @@ from typing import Optional
from lbry.wallet import SQLiteMixin from lbry.wallet import SQLiteMixin
from lbry.conf import Config from lbry.conf import Config
from lbry.wallet.dewies import dewies_to_lbc, lbc_to_dewies from lbry.wallet.dewies import dewies_to_lbc, lbc_to_dewies
from lbry.wallet.transaction import Transaction from lbry.wallet.transaction import Transaction, Output
from lbry.schema.claim import Claim from lbry.schema.claim import Claim
from lbry.dht.constants import DATA_EXPIRATION from lbry.dht.constants import DATA_EXPIRATION
from lbry.blob.blob_info import BlobInfo from lbry.blob.blob_info import BlobInfo
@ -727,6 +727,19 @@ class SQLiteStorage(SQLiteMixin):
if claim_id_to_supports: if claim_id_to_supports:
await self.save_supports(claim_id_to_supports) await self.save_supports(claim_id_to_supports)
def save_claim_from_output(self, ledger, output: Output):
return self.save_claims([{
"claim_id": output.claim_id,
"name": output.claim_name,
"amount": dewies_to_lbc(output.amount),
"address": output.get_address(ledger),
"txid": output.tx_ref.id,
"nout": output.position,
"value": output.claim,
"height": -1,
"claim_sequence": -1,
}])
def save_claims_for_resolve(self, claim_infos): def save_claims_for_resolve(self, claim_infos):
to_save = {} to_save = {}
for info in claim_infos: for info in claim_infos:

View file

@ -7,6 +7,7 @@ from typing import Optional
from aiohttp.web import Request from aiohttp.web import Request
from lbry.error import ResolveError, InvalidStreamDescriptorError, DownloadSDTimeoutError, InsufficientFundsError from lbry.error import ResolveError, InvalidStreamDescriptorError, DownloadSDTimeoutError, InsufficientFundsError
from lbry.error import ResolveTimeoutError, DownloadDataTimeoutError, KeyFeeAboveMaxAllowedError from lbry.error import ResolveTimeoutError, DownloadDataTimeoutError, KeyFeeAboveMaxAllowedError
from lbry.stream.managed_stream import ManagedStream
from lbry.utils import cache_concurrent from lbry.utils import cache_concurrent
from lbry.schema.claim import Claim from lbry.schema.claim import Claim
from lbry.schema.url import URL from lbry.schema.url import URL
@ -93,14 +94,11 @@ class FileManager:
if 'error' in resolved_result: if 'error' in resolved_result:
raise ResolveError(f"Unexpected error resolving uri for download: {resolved_result['error']}") raise ResolveError(f"Unexpected error resolving uri for download: {resolved_result['error']}")
await self.storage.save_claims(
resolved_result, self.wallet_manager.ledger
)
txo = resolved_result[uri] txo = resolved_result[uri]
claim = txo.claim claim = txo.claim
outpoint = f"{txo.tx_ref.id}:{txo.position}" outpoint = f"{txo.tx_ref.id}:{txo.position}"
resolved_time = self.loop.time() - start_time resolved_time = self.loop.time() - start_time
await self.storage.save_claim_from_output(self.wallet_manager.ledger, txo)
#################### ####################
# update or replace # update or replace
@ -113,6 +111,7 @@ class FileManager:
# resume or update an existing stream, if the stream changed: download it and delete the old one after # resume or update an existing stream, if the stream changed: download it and delete the old one after
existing = self.get_filtered(sd_hash=claim.stream.source.sd_hash) existing = self.get_filtered(sd_hash=claim.stream.source.sd_hash)
to_replace, updated_stream = None, None
if existing and existing[0].claim_id != txo.claim_id: if existing and existing[0].claim_id != txo.claim_id:
raise ResolveError(f"stream for {existing[0].claim_id} collides with existing download {txo.claim_id}") raise ResolveError(f"stream for {existing[0].claim_id} collides with existing download {txo.claim_id}")
if existing: if existing:
@ -121,7 +120,7 @@ class FileManager:
existing[0].stream_hash, outpoint existing[0].stream_hash, outpoint
) )
await source_manager._update_content_claim(existing[0]) await source_manager._update_content_claim(existing[0])
return existing[0] updated_stream = existing[0]
else: else:
existing_for_claim_id = self.get_filtered(claim_id=txo.claim_id) existing_for_claim_id = self.get_filtered(claim_id=txo.claim_id)
if existing_for_claim_id: if existing_for_claim_id:
@ -133,14 +132,19 @@ class FileManager:
await existing_for_claim_id[0].save_file( await existing_for_claim_id[0].save_file(
file_name=file_name, download_directory=download_directory, node=self.node file_name=file_name, download_directory=download_directory, node=self.node
) )
return existing_for_claim_id[0] to_replace = existing_for_claim_id[0]
# resume or update an existing stream, if the stream changed: download it and delete the old one after
if updated_stream: if updated_stream:
log.info("already have stream for %s", uri)
if save_file and updated_stream.output_file_exists:
save_file = False
await updated_stream.start(node=self.node, timeout=timeout, save_now=save_file)
if not updated_stream.output_file_exists and (save_file or file_name or download_directory):
await updated_stream.save_file(
file_name=file_name, download_directory=download_directory, node=self.node
)
return updated_stream
#################### ####################
@ -156,23 +160,25 @@ class FileManager:
# make downloader and wait for start # make downloader and wait for start
#################### ####################
stream = ManagedStream( if not claim.stream.source.bt_infohash:
self.loop, self.config, self.blob_manager, claim.stream.source.sd_hash, download_directory, stream = ManagedStream(
file_name, ManagedStream.STATUS_RUNNING, content_fee=payment, self.loop, self.config, source_manager.blob_manager, claim.stream.source.sd_hash, download_directory,
analytics_manager=self.analytics_manager file_name, ManagedStream.STATUS_RUNNING, content_fee=payment,
) analytics_manager=self.analytics_manager
)
else:
stream = None
log.info("starting download for %s", uri) log.info("starting download for %s", uri)
before_download = self.loop.time() before_download = self.loop.time()
await stream.start(self.node, timeout) await stream.start(source_manager.node, timeout)
stream.set_claim(resolved, claim)
#################### ####################
# success case: delete to_replace if applicable, broadcast fee payment # success case: delete to_replace if applicable, broadcast fee payment
#################### ####################
if to_replace: # delete old stream now that the replacement has started downloading if to_replace: # delete old stream now that the replacement has started downloading
await self.delete(to_replace) await source_manager.delete(to_replace)
if payment is not None: if payment is not None:
await self.wallet_manager.broadcast_or_release(payment) await self.wallet_manager.broadcast_or_release(payment)
@ -180,12 +186,11 @@ class FileManager:
log.info("paid fee of %s for %s", dewies_to_lbc(stream.content_fee.outputs[0].amount), uri) log.info("paid fee of %s for %s", dewies_to_lbc(stream.content_fee.outputs[0].amount), uri)
await self.storage.save_content_fee(stream.stream_hash, stream.content_fee) await self.storage.save_content_fee(stream.stream_hash, stream.content_fee)
self._sources[stream.sd_hash] = stream source_manager.add(stream)
self.storage.content_claim_callbacks[stream.stream_hash] = lambda: self._update_content_claim(stream)
await self.storage.save_content_claim(stream.stream_hash, outpoint) await self.storage.save_content_claim(stream.stream_hash, outpoint)
if save_file: if save_file:
await asyncio.wait_for(stream.save_file(node=self.node), timeout - (self.loop.time() - before_download), await asyncio.wait_for(stream.save_file(node=source_manager.node), timeout - (self.loop.time() - before_download),
loop=self.loop) loop=self.loop)
return stream return stream
except asyncio.TimeoutError: except asyncio.TimeoutError:
@ -232,8 +237,7 @@ class FileManager:
async def stream_partial_content(self, request: Request, sd_hash: str): async def stream_partial_content(self, request: Request, sd_hash: str):
return await self._sources[sd_hash].stream_file(request, self.node) return await self._sources[sd_hash].stream_file(request, self.node)
def get_filtered(self, sort_by: Optional[str] = None, reverse: Optional[bool] = False, def get_filtered(self, *args, **kwargs) -> typing.List[ManagedDownloadSource]:
comparison: Optional[str] = None, **search_by) -> typing.List[ManagedDownloadSource]:
""" """
Get a list of filtered and sorted ManagedStream objects Get a list of filtered and sorted ManagedStream objects
@ -242,30 +246,30 @@ class FileManager:
:param comparison: comparison operator used for filtering :param comparison: comparison operator used for filtering
:param search_by: fields and values to filter by :param search_by: fields and values to filter by
""" """
if sort_by and sort_by not in self.filter_fields: return sum(*(manager.get_filtered(*args, **kwargs) for manager in self.source_managers.values()), [])
raise ValueError(f"'{sort_by}' is not a valid field to sort by")
if comparison and comparison not in comparison_operators: async def _check_update_or_replace(
raise ValueError(f"'{comparison}' is not a valid comparison") self, outpoint: str, claim_id: str, claim: Claim
if 'full_status' in search_by: ) -> typing.Tuple[Optional[ManagedDownloadSource], Optional[ManagedDownloadSource]]:
del search_by['full_status'] existing = self.get_filtered(outpoint=outpoint)
for search in search_by.keys(): if existing:
if search not in self.filter_fields: return existing[0], None
raise ValueError(f"'{search}' is not a valid search operation") existing = self.get_filtered(sd_hash=claim.stream.source.sd_hash)
if search_by: if existing and existing[0].claim_id != claim_id:
comparison = comparison or 'eq' raise ResolveError(f"stream for {existing[0].claim_id} collides with existing download {claim_id}")
sources = [] if existing:
for stream in self._sources.values(): log.info("claim contains a metadata only update to a stream we have")
for search, val in search_by.items(): await self.storage.save_content_claim(
if comparison_operators[comparison](getattr(stream, search), val): existing[0].stream_hash, outpoint
sources.append(stream) )
break await self._update_content_claim(existing[0])
return existing[0], None
else: else:
sources = list(self._sources.values()) existing_for_claim_id = self.get_filtered(claim_id=claim_id)
if sort_by: if existing_for_claim_id:
sources.sort(key=lambda s: getattr(s, sort_by)) log.info("claim contains an update to a stream we have, downloading it")
if reverse: return None, existing_for_claim_id[0]
sources.reverse() return None, None
return sources

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@ -6,16 +6,10 @@ import random
import typing import typing
from typing import Optional from typing import Optional
from aiohttp.web import Request from aiohttp.web import Request
from lbry.error import ResolveError, InvalidStreamDescriptorError, DownloadSDTimeoutError, InsufficientFundsError from lbry.error import InvalidStreamDescriptorError
from lbry.error import ResolveTimeoutError, DownloadDataTimeoutError, KeyFeeAboveMaxAllowedError from lbry.file.source_manager import SourceManager
from lbry.utils import cache_concurrent
from lbry.stream.descriptor import StreamDescriptor from lbry.stream.descriptor import StreamDescriptor
from lbry.stream.managed_stream import ManagedStream from lbry.stream.managed_stream import ManagedStream
from lbry.schema.claim import Claim
from lbry.schema.url import URL
from lbry.wallet.dewies import dewies_to_lbc
from lbry.wallet import Output
from lbry.source_manager import SourceManager
from lbry.file.source import ManagedDownloadSource from lbry.file.source import ManagedDownloadSource
if typing.TYPE_CHECKING: if typing.TYPE_CHECKING:
from lbry.conf import Config from lbry.conf import Config
@ -25,10 +19,6 @@ if typing.TYPE_CHECKING:
from lbry.wallet.transaction import Transaction from lbry.wallet.transaction import Transaction
from lbry.extras.daemon.analytics import AnalyticsManager from lbry.extras.daemon.analytics import AnalyticsManager
from lbry.extras.daemon.storage import SQLiteStorage, StoredContentClaim from lbry.extras.daemon.storage import SQLiteStorage, StoredContentClaim
from lbry.extras.daemon.exchange_rate_manager import ExchangeRateManager
from lbry.wallet.transaction import Transaction
from lbry.wallet.manager import WalletManager
from lbry.wallet.wallet import Wallet
log = logging.getLogger(__name__) log = logging.getLogger(__name__)