lbry-sdk/lbrynet/lbrynet_daemon/LBRYDaemon.py

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from lbrynet.lbryfile.StreamDescriptor import LBRYFileStreamType
from lbrynet.lbryfile.client.LBRYFileDownloader import LBRYFileSaverFactory, LBRYFileOpenerFactory
from lbrynet.lbryfile.client.LBRYFileOptions import add_lbry_file_to_sd_identifier
from lbrynet.lbrynet_daemon.LBRYDownloader import GetStream, FetcherDaemon
from lbrynet.core.utils import generate_id
from lbrynet.lbrynet_console.LBRYSettings import LBRYSettings
from lbrynet.conf import MIN_BLOB_DATA_PAYMENT_RATE
from lbrynet.core.StreamDescriptor import StreamDescriptorIdentifier
from lbrynet.core.Session import LBRYSession
from lbrynet.core.PTCWallet import PTCWallet
from lbrynet.core.LBRYcrdWallet import LBRYcrdWallet
from lbrynet.lbryfilemanager.LBRYFileManager import LBRYFileManager
from lbrynet.lbryfile.LBRYFileMetadataManager import DBLBRYFileMetadataManager, TempLBRYFileMetadataManager
from twisted.web import xmlrpc, server
from twisted.internet import defer, threads, reactor
from datetime import datetime
import logging
import os
log = logging.getLogger(__name__)
class LBRYDaemon(xmlrpc.XMLRPC):
"""
LBRYnet daemon
"""
def setup(self):
def _set_vars():
self.fetcher = None
self.current_db_revision = 1
self.run_server = True
self.session = None
self.known_dht_nodes = [('104.236.42.182', 4000)]
self.db_dir = os.path.join(os.path.expanduser("~"), ".lbrynet")
self.blobfile_dir = os.path.join(self.db_dir, "blobfiles")
self.peer_port = 3333
self.dht_node_port = 4444
self.first_run = False
self.current_db_revision = 1
if os.name == "nt":
from lbrynet.winhelpers.knownpaths import get_path, FOLDERID, UserHandle
self.download_directory = get_path(FOLDERID.Downloads, UserHandle.current)
self.wallet_dir = os.path.join(get_path(FOLDERID.RoamingAppData, UserHandle.current), "lbrycrd")
else:
self.download_directory = os.path.join(os.path.expanduser("~"), 'Downloads')
self.wallet_dir = os.path.join(os.path.expanduser("~"), ".lbrycrd")
self.wallet_conf = os.path.join(self.wallet_dir, "lbrycrd.conf")
self.wallet_user = None
self.wallet_password = None
self.sd_identifier = StreamDescriptorIdentifier()
self.stream_info_manager = TempLBRYFileMetadataManager()
self.wallet_rpc_port = 8332
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self.downloads = []
self.stream_frames = []
self.default_blob_data_payment_rate = MIN_BLOB_DATA_PAYMENT_RATE
self.use_upnp = True
self.start_lbrycrdd = True
if os.name == "nt":
self.lbrycrdd_path = "lbrycrdd.exe"
else:
self.lbrycrdd_path = "./lbrycrdd"
self.delete_blobs_on_remove = True
self.blob_request_payment_rate_manager = None
self.lbry_file_metadata_manager = None
self.lbry_file_manager = None
self.settings = LBRYSettings(self.db_dir)
self.wallet_type = "lbrycrd"
self.lbrycrd_dir = os.path.join(os.path.expanduser("~"), ".lbrycrd")
self.lbrycrd_conf = os.path.join(self.lbrycrd_dir, "lbrycrd.conf")
self.autofetcher_conf = os.path.join(self.lbrycrd_dir, "autofetcher.conf")
self.rpc_conn = None
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self.files = []
self.created_data_dir = False
if not os.path.exists(self.db_dir):
os.mkdir(self.db_dir)
self.created_data_dir = True
return defer.succeed(None)
d = defer.Deferred()
d.addCallback(lambda _: _set_vars())
d.addCallback(lambda _: threads.deferToThread(self._setup_data_directory))
d.addCallback(lambda _: self._check_db_migration())
d.addCallback(lambda _: self._get_settings())
d.addCallback(lambda _: self.get_lbrycrdd_path())
d.addCallback(lambda _: self._get_session())
d.addCallback(lambda _: add_lbry_file_to_sd_identifier(self.sd_identifier))
d.addCallback(lambda _: self._setup_stream_identifier())
d.addCallback(lambda _: self._setup_lbry_file_manager())
d.addCallback(lambda _: self._setup_lbry_file_opener())
d.addCallback(lambda _: self._setup_fetcher())
d.callback(None)
return defer.succeed(None)
def _setup_fetcher(self):
self.fetcher = FetcherDaemon(self.session, self.lbry_file_manager, self.lbry_file_metadata_manager,
self.session.wallet, self.sd_identifier, self.autofetcher_conf)
return defer.succeed(None)
def _setup_data_directory(self):
print "Loading databases..."
if self.created_data_dir:
db_revision = open(os.path.join(self.db_dir, "db_revision"), mode='w')
db_revision.write(str(self.current_db_revision))
db_revision.close()
log.debug("Created the db revision file: %s", str(os.path.join(self.db_dir, "db_revision")))
if not os.path.exists(self.blobfile_dir):
os.mkdir(self.blobfile_dir)
log.debug("Created the blobfile directory: %s", str(self.blobfile_dir))
def _check_db_migration(self):
old_revision = 0
db_revision_file = os.path.join(self.db_dir, "db_revision")
if os.path.exists(db_revision_file):
old_revision = int(open(db_revision_file).read().strip())
if old_revision < self.current_db_revision:
from lbrynet.db_migrator import dbmigrator
print "Upgrading your databases..."
d = threads.deferToThread(dbmigrator.migrate_db, self.db_dir, old_revision, self.current_db_revision)
def print_success(old_dirs):
success_string = "Finished upgrading the databases. It is now safe to delete the"
success_string += " following directories, if you feel like it. It won't make any"
success_string += " difference.\nAnyway here they are: "
for i, old_dir in enumerate(old_dirs):
success_string += old_dir
if i + 1 < len(old_dir):
success_string += ", "
print success_string
d.addCallback(print_success)
return d
return defer.succeed(True)
def _get_settings(self):
d = self.settings.start()
d.addCallback(lambda _: self.settings.get_lbryid())
d.addCallback(self.set_lbryid)
d.addCallback(lambda _: self.get_lbrycrdd_path())
return d
def set_lbryid(self, lbryid):
if lbryid is None:
return self._make_lbryid()
else:
self.lbryid = lbryid
def _make_lbryid(self):
self.lbryid = generate_id()
d = self.settings.save_lbryid(self.lbryid)
return d
def _setup_lbry_file_manager(self):
self.lbry_file_metadata_manager = DBLBRYFileMetadataManager(self.db_dir)
d = self.lbry_file_metadata_manager.setup()
def set_lbry_file_manager():
self.lbry_file_manager = LBRYFileManager(self.session, self.lbry_file_metadata_manager, self.sd_identifier)
return self.lbry_file_manager.setup()
d.addCallback(lambda _: set_lbry_file_manager())
return d
def _get_session(self):
def get_default_data_rate():
d = self.settings.get_default_data_payment_rate()
d.addCallback(lambda rate: {"default_data_payment_rate":
rate if rate is not None else MIN_BLOB_DATA_PAYMENT_RATE})
return d
def get_wallet():
if self.wallet_type == "lbrycrd":
lbrycrdd_path = None
if self.start_lbrycrdd is True:
lbrycrdd_path = self.lbrycrdd_path
if not lbrycrdd_path:
lbrycrdd_path = self.default_lbrycrdd_path
d = defer.succeed(LBRYcrdWallet(self.db_dir, wallet_dir=self.lbrycrd_dir, wallet_conf=self.lbrycrd_conf,
lbrycrdd_path=lbrycrdd_path))
else:
d = defer.succeed(PTCWallet(self.db_dir))
d.addCallback(lambda wallet: {"wallet": wallet})
return d
d1 = get_default_data_rate()
d2 = get_wallet()
def combine_results(results):
r = {}
for success, result in results:
if success is True:
r.update(result)
return r
def create_session(results):
self.session = LBRYSession(results['default_data_payment_rate'], db_dir=self.db_dir, lbryid=self.lbryid,
blob_dir=self.blobfile_dir, dht_node_port=self.dht_node_port,
known_dht_nodes=self.known_dht_nodes, peer_port=self.peer_port,
use_upnp=self.use_upnp, wallet=results['wallet'])
self.rpc_conn = self.session.wallet.get_rpc_conn_x()
dl = defer.DeferredList([d1, d2], fireOnOneErrback=True)
dl.addCallback(combine_results)
dl.addCallback(create_session)
dl.addCallback(lambda _: self.session.setup())
return dl
def get_lbrycrdd_path(self):
def get_lbrycrdd_path_conf_file():
lbrycrdd_path_conf_path = os.path.join(os.path.expanduser("~"), ".lbrycrddpath.conf")
if not os.path.exists(lbrycrdd_path_conf_path):
return ""
lbrycrdd_path_conf = open(lbrycrdd_path_conf_path)
lines = lbrycrdd_path_conf.readlines()
return lines
d = threads.deferToThread(get_lbrycrdd_path_conf_file)
def load_lbrycrdd_path(conf):
for line in conf:
if len(line.strip()) and line.strip()[0] != "#":
self.lbrycrdd_path = line.strip()
print self.lbrycrdd_path
d.addCallback(load_lbrycrdd_path)
return d
def _setup_stream_identifier(self):
file_saver_factory = LBRYFileSaverFactory(self.session.peer_finder, self.session.rate_limiter,
self.session.blob_manager, self.stream_info_manager,
self.session.wallet, self.download_directory)
self.sd_identifier.add_stream_downloader_factory(LBRYFileStreamType, file_saver_factory)
file_opener_factory = LBRYFileOpenerFactory(self.session.peer_finder, self.session.rate_limiter,
self.session.blob_manager, self.stream_info_manager,
self.session.wallet)
self.sd_identifier.add_stream_downloader_factory(LBRYFileStreamType, file_opener_factory)
return defer.succeed(None)
def _setup_lbry_file_manager(self):
self.lbry_file_metadata_manager = DBLBRYFileMetadataManager(self.db_dir)
d = self.lbry_file_metadata_manager.setup()
def set_lbry_file_manager():
self.lbry_file_manager = LBRYFileManager(self.session, self.lbry_file_metadata_manager, self.sd_identifier)
return self.lbry_file_manager.setup()
d.addCallback(lambda _: set_lbry_file_manager())
return d
def _setup_lbry_file_opener(self):
downloader_factory = LBRYFileOpenerFactory(self.session.peer_finder, self.session.rate_limiter,
self.session.blob_manager, self.stream_info_manager,
self.session.wallet)
self.sd_identifier.add_stream_downloader_factory(LBRYFileStreamType, downloader_factory)
return defer.succeed(True)
def xmlrpc_start_fetcher(self):
"""
Start autofetcher
"""
self.fetcher.start()
return str('Started autofetching')
def xmlrpc_stop_fetcher(self):
"""
Start autofetcher
"""
self.fetcher.stop()
return str('Started autofetching')
def xmlrpc_fetcher_status(self):
"""
Start autofetcher
"""
return str(self.fetcher.check_if_running())
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def xmlrpc_get_balance(self):
"""
Get LBC balance
"""
return str(self.session.wallet.wallet_balance)
def xmlrpc_stop(self):
"""
Stop the reactor
"""
reactor.stop()
return defer.succeed('Stopping')
def xmlrpc_resolve_name(self, name):
"""
Resolve stream info from a LBRY uri
"""
def _disp(info):
log.debug('[' + str(datetime.now()) + ']' + ' Resolved info: ' + str(info))
print '[' + str(datetime.now()) + ']' + ' Resolved info: ' + str(info)
return info
d = defer.Deferred()
d.addCallback(lambda _: self.session.wallet.get_stream_info_for_name(name))
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d.addErrback(lambda _: 'UnknownNameError')
d.addCallback(_disp)
d.callback(None)
return d
def xmlrpc_get_downloads(self):
"""
Get downloads
"""
downloads = []
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for stream in self.downloads:
try:
downloads.append({'stream_hash': stream.stream_hash,
'path': os.path.join(stream.downloader.download_directory, stream.downloader.file_name)})
except:
pass
return downloads
def xmlrpc_download_name(self, name):
"""
Download stream from a LBRY uri
"""
def _disp():
try:
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stream = self.downloads[-1]
log.debug('[' + str(datetime.now()) + ']' + ' Downloading: ' + str(stream.stream_hash))
print '[' + str(datetime.now()) + ']' + ' Downloading: ' + str(stream.stream_hash)
return defer.succeed(None)
except:
pass
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stream = GetStream(self.sd_identifier, self.session, self.session.wallet, self.lbry_file_manager, 25.0)
self.downloads.append(stream)
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d = self.session.wallet.get_stream_info_for_name(name)
d.addCallback(lambda stream_info: stream.start(stream_info))
d.addCallback(lambda _: _disp())
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# d.addCallback(lambda _: self.files.append({'name': name, 'stream_hash': stream.stream_hash,
# 'path': os.path.join(stream.downloader.download_directory, stream.downloader.file_name)}))
d.addCallback(lambda _: {'ts': datetime.now(),'name': name})
d.addErrback(lambda err: str(err.getTraceback()))
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return d
def xmlrpc_path_from_name(self, name):
d = self.session.wallet.get_stream_info_for_name(name)
d.addCallback(lambda stream_info: stream_info['stream_hash'])
d.addCallback(lambda stream_hash: [{'stream_hash': stream.stream_hash,
'path': os.path.join(stream.downloader.download_directory,
stream.downloader.file_name)}
for stream in self.downloads if stream.stream_hash == stream_hash])
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d.addErrback(lambda _: 'UnknownNameError')
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return d
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def main():
daemon = LBRYDaemon()
daemon.setup()
reactor.listenTCP(7080, server.Site(daemon))
reactor.run()
if __name__ == '__main__':
main()