forked from Tribler/tribler
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathSqliteCacheDBHandler.py
2369 lines (1901 loc) · 105 KB
/
SqliteCacheDBHandler.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# Written by Jie Yang
# see LICENSE.txt for license information
# Note for Developers: Please write a unittest in Tribler/Test/test_sqlitecachedbhandler.py
# for any function you add to database.
# Please reuse the functions in sqlitecachedb as much as possible
import logging
import os
import threading
import json
from copy import deepcopy
from pprint import pformat
from struct import unpack_from
from time import time
from traceback import print_exc
from collections import OrderedDict, defaultdict
from libtorrent import bencode
from twisted.internet.task import LoopingCall
from Tribler.Core.CacheDB.sqlitecachedb import bin2str, str2bin
from Tribler.Core.TorrentDef import TorrentDef
from Tribler.Core.Utilities.search_utils import split_into_keywords, filter_keywords
from Tribler.Core.Utilities.unicode import dunno2unicode
from Tribler.Core.simpledefs import (INFOHASH_LENGTH, NTFY_UPDATE, NTFY_INSERT, NTFY_DELETE, NTFY_CREATE,
NTFY_MODIFIED, NTFY_TRACKERINFO, NTFY_MYPREFERENCES, NTFY_VOTECAST, NTFY_TORRENTS,
NTFY_CHANNELCAST, NTFY_COMMENTS, NTFY_PLAYLISTS, NTFY_MODIFICATIONS,
NTFY_MODERATIONS, NTFY_MARKINGS, NTFY_STATE,
SIGNAL_CHANNEL_COMMUNITY, SIGNAL_ON_TORRENT_UPDATED)
from Tribler.dispersy.taskmanager import TaskManager
from Tribler.Core.Utilities.tracker_utils import get_uniformed_tracker_url
VOTECAST_FLUSH_DB_INTERVAL = 15
DEFAULT_ID_CACHE_SIZE = 1024 * 5
class LimitedOrderedDict(OrderedDict):
def __init__(self, limit, *args, **kargs):
super(LimitedOrderedDict, self).__init__(*args, **kargs)
self._limit = limit
def __setitem__(self, *args, **kargs):
super(LimitedOrderedDict, self).__setitem__(*args, **kargs)
if len(self) > self._limit:
self.popitem(last=False)
class BasicDBHandler(TaskManager):
def __init__(self, session, table_name):
super(BasicDBHandler, self).__init__()
self._logger = logging.getLogger(self.__class__.__name__)
self.session = session
self._db = self.session.sqlite_db
self.table_name = table_name
self.notifier = session.notifier
def initialize(self, *args, **kwargs):
"""
Initializes this DBHandler.
"""
pass
def close(self):
self.cancel_all_pending_tasks()
def size(self):
return self._db.size(self.table_name)
def getOne(self, value_name, where=None, conj=u"AND", **kw):
return self._db.getOne(self.table_name, value_name, where=where, conj=conj, **kw)
def getAll(self, value_name, where=None, group_by=None, having=None, order_by=None, limit=None, offset=None, conj=u"AND", **kw):
return self._db.getAll(self.table_name, value_name, where=where, group_by=group_by, having=having, order_by=order_by, limit=limit, offset=offset, conj=conj, **kw)
class PeerDBHandler(BasicDBHandler):
def __init__(self, session):
super(PeerDBHandler, self).__init__(session, u"Peer")
self.permid_id = LimitedOrderedDict(DEFAULT_ID_CACHE_SIZE)
def getPeerID(self, permid):
return self.getPeerIDS([permid, ])[0]
def getPeerIDS(self, permids):
to_select = []
for permid in permids:
assert isinstance(permid, str), permid
if permid not in self.permid_id:
to_select.append(bin2str(permid))
if len(to_select) > 0:
parameters = u", ".join(u'?' * len(to_select))
sql_get_peer_ids = u"SELECT peer_id, permid FROM Peer WHERE permid IN (%s)" % parameters
peerids = self._db.fetchall(sql_get_peer_ids, to_select)
for peer_id, permid in peerids:
self.permid_id[str2bin(permid)] = peer_id
to_return = []
for permid in permids:
if permid in self.permid_id:
to_return.append(self.permid_id[permid])
else:
to_return.append(None)
return to_return
def addOrGetPeerID(self, permid):
peer_id = self.getPeerID(permid)
if peer_id is None:
self.addPeer(permid, {})
peer_id = self.getPeerID(permid)
return peer_id
def getPeer(self, permid, keys=None):
if keys is not None:
res = self.getOne(keys, permid=bin2str(permid))
return res
else:
# return a dictionary
# make it compatible for calls to old bsddb interface
value_name = (u'peer_id', u'permid', u'name')
item = self.getOne(value_name, permid=bin2str(permid))
if not item:
return None
peer = dict(zip(value_name, item))
peer['permid'] = str2bin(peer['permid'])
return peer
def getPeerById(self, peer_id, keys=None):
if keys is not None:
res = self.getOne(keys, peer_id=peer_id)
return res
else:
# return a dictionary
# make it compatible for calls to old bsddb interface
value_name = (u'peer_id', u'permid', u'name')
item = self.getOne(value_name, peer_id=peer_id)
if not item:
return None
peer = dict(zip(value_name, item))
peer['permid'] = str2bin(peer['permid'])
return peer
def addPeer(self, permid, value):
# add or update a peer
# ARNO: AAARGGH a method that silently changes the passed value param!!!
# Jie: deepcopy(value)?
_permid = None
if 'permid' in value:
_permid = value.pop('permid')
peer_id = self.getPeerID(permid)
if 'name' in value:
value['name'] = dunno2unicode(value['name'])
if peer_id is not None:
where = u'peer_id == %d' % peer_id
self._db.update('Peer', where, **value)
else:
self._db.insert_or_ignore('Peer', permid=bin2str(permid), **value)
if _permid is not None:
value['permid'] = permid
def hasPeer(self, permid, check_db=False):
if not check_db:
return bool(self.getPeerID(permid))
else:
permid_str = bin2str(permid)
sql_get_peer_id = u"SELECT peer_id FROM Peer WHERE permid == ?"
peer_id = self._db.fetchone(sql_get_peer_id, (permid_str,))
if peer_id is None:
return False
else:
return True
def deletePeer(self, permid=None, peer_id=None):
# don't delete friend of superpeers, except that force is True
if peer_id is None:
peer_id = self.getPeerID(permid)
if peer_id is None:
return
self._db.delete(u"Peer", peer_id=peer_id)
deleted = not self.hasPeer(permid, check_db=True)
if deleted and permid in self.permid_id:
self.permid_id.pop(permid)
class TorrentDBHandler(BasicDBHandler):
def __init__(self, session):
super(TorrentDBHandler, self).__init__(session, u"Torrent")
self.torrent_dir = None
self.keys = ['torrent_id', 'name', 'length', 'creation_date', 'num_files',
'insert_time', 'secret', 'relevance', 'category', 'status',
'num_seeders', 'num_leechers', 'comment', 'last_tracker_check']
self.existed_torrents = set()
self.value_name = ['C.torrent_id', 'category', 'status', 'name', 'creation_date', 'num_files',
'num_leechers', 'num_seeders', 'length', 'secret', 'insert_time',
'relevance', 'infohash', 'last_tracker_check']
self.value_name_for_channel = ['C.torrent_id', 'infohash', 'name', 'length',
'creation_date', 'num_files', 'insert_time', 'secret',
'relevance', 'category', 'status',
'num_seeders', 'num_leechers', 'comment']
self.category = None
self.mypref_db = self.votecast_db = self.channelcast_db = self._rtorrent_handler = None
self.infohash_id = LimitedOrderedDict(DEFAULT_ID_CACHE_SIZE)
def initialize(self, *args, **kwargs):
super(TorrentDBHandler, self).initialize(*args, **kwargs)
self.category = self.session.lm.cat
self.mypref_db = self.session.open_dbhandler(NTFY_MYPREFERENCES)
self.votecast_db = self.session.open_dbhandler(NTFY_VOTECAST)
self.channelcast_db = self.session.open_dbhandler(NTFY_CHANNELCAST)
self._rtorrent_handler = self.session.lm.rtorrent_handler
def close(self):
super(TorrentDBHandler, self).close()
self.category = None
self.mypref_db = None
self.votecast_db = None
self.channelcast_db = None
self._rtorrent_handler = None
def getTorrentID(self, infohash):
return self.getTorrentIDS([infohash, ]).get(infohash)
def getTorrentIDS(self, infohashes):
unique_infohashes = set(infohashes)
to_return = {}
to_select = []
for infohash in unique_infohashes:
assert isinstance(infohash, str), "INFOHASH has invalid type: %s" % type(infohash)
assert len(infohash) == INFOHASH_LENGTH, "INFOHASH has invalid length: %d" % len(infohash)
if infohash in self.infohash_id:
to_return[infohash] = self.infohash_id[infohash]
else:
to_select.append(bin2str(infohash))
parameters = '?,' * len(to_select)
parameters = parameters[:-1]
sql_stmt = u"SELECT torrent_id, infohash FROM Torrent WHERE infohash IN (%s)" % parameters
torrents = self._db.fetchall(sql_stmt, to_select)
for torrent_id, infohash in torrents:
self.infohash_id[str2bin(infohash)] = torrent_id
for infohash in unique_infohashes:
if infohash not in to_return:
to_return[infohash] = self.infohash_id.get(infohash)
if __debug__ and len(to_return) != len(unique_infohashes):
self._logger.error("to_return doesn't match infohashes:")
self._logger.error("to_return:")
self._logger.error(pformat(to_return))
self._logger.error("infohashes:")
self._logger.error(pformat([bin2str(infohash) for infohash in unique_infohashes]))
assert len(to_return) == len(unique_infohashes), (len(to_return), len(unique_infohashes))
return to_return
def getInfohash(self, torrent_id):
sql_get_infohash = "SELECT infohash FROM Torrent WHERE torrent_id==?"
ret = self._db.fetchone(sql_get_infohash, (torrent_id,))
if ret:
ret = str2bin(ret)
return ret
def hasTorrent(self, infohash):
assert isinstance(infohash, str), "INFOHASH has invalid type: %s" % type(infohash)
assert len(infohash) == INFOHASH_LENGTH, "INFOHASH has invalid length: %d" % len(infohash)
if infohash in self.existed_torrents: # to do: not thread safe
return True
infohash_str = bin2str(infohash)
existed = self._db.getOne('CollectedTorrent', 'torrent_id', infohash=infohash_str)
if existed is None:
return False
else:
self.existed_torrents.add(infohash)
return True
def addExternalTorrent(self, torrentdef, extra_info={}):
assert isinstance(torrentdef, TorrentDef), "TORRENTDEF has invalid type: %s" % type(torrentdef)
assert torrentdef.is_finalized(), "TORRENTDEF is not finalized"
infohash = torrentdef.get_infohash()
if not self.hasTorrent(infohash):
self._addTorrentToDB(torrentdef, extra_info)
self.notifier.notify(NTFY_TORRENTS, NTFY_INSERT, infohash)
def addExternalTorrentNoDef(self, infohash, name, files, trackers, timestamp, extra_info={}):
if not self.hasTorrent(infohash):
metainfo = {'info': {}, 'encoding': 'utf_8'}
metainfo['info']['name'] = name.encode('utf_8')
metainfo['info']['piece length'] = -1
metainfo['info']['pieces'] = ''
if len(files) > 1:
files_as_dict = []
for filename, file_length in files:
filename = filename.encode('utf_8')
files_as_dict.append({'path': [filename], 'length': file_length})
metainfo['info']['files'] = files_as_dict
elif len(files) == 1:
metainfo['info']['length'] = files[0][1]
else:
return
if len(trackers) > 0:
metainfo['announce'] = trackers[0]
else:
metainfo['nodes'] = []
metainfo['creation date'] = timestamp
try:
torrentdef = TorrentDef.load_from_dict(metainfo)
torrentdef.infohash = infohash
torrent_id = self._addTorrentToDB(torrentdef, extra_info)
if self._rtorrent_handler:
self._rtorrent_handler.notify_possible_torrent_infohash(infohash)
insert_files = [(torrent_id, unicode(path), length) for path, length in files]
sql_insert_files = "INSERT OR IGNORE INTO TorrentFiles (torrent_id, path, length) VALUES (?,?,?)"
self._db.executemany(sql_insert_files, insert_files)
except:
self._logger.error("Could not create a TorrentDef instance %r %r %r %r %r %r", infohash, timestamp, name, files, trackers, extra_info)
print_exc()
def addOrGetTorrentID(self, infohash):
assert isinstance(infohash, str), "INFOHASH has invalid type: %s" % type(infohash)
assert len(infohash) == INFOHASH_LENGTH, "INFOHASH has invalid length: %d" % len(infohash)
torrent_id = self.getTorrentID(infohash)
if torrent_id is None:
self._db.insert('Torrent', infohash=bin2str(infohash), status=u'unknown')
torrent_id = self.getTorrentID(infohash)
return torrent_id
def addOrGetTorrentIDSReturn(self, infohashes):
to_be_inserted = set()
torrent_id_results = self.getTorrentIDS(infohashes)
for infohash, torrent_id in torrent_id_results.iteritems():
if torrent_id is None:
to_be_inserted.add(infohash)
sql = "INSERT INTO Torrent (infohash, status) VALUES (?, ?)"
self._db.executemany(sql, [(bin2str(infohash), u'unknown') for infohash in to_be_inserted])
torrent_id_results = self.getTorrentIDS(infohashes)
torrent_ids = []
for infohash in infohashes:
torrent_ids.append(torrent_id_results[infohash])
assert all(torrent_id for torrent_id in torrent_ids), torrent_ids
return torrent_ids, to_be_inserted
def _get_database_dict(self, torrentdef, extra_info={}):
assert isinstance(torrentdef, TorrentDef), "TORRENTDEF has invalid type: %s" % type(torrentdef)
assert torrentdef.is_finalized(), "TORRENTDEF is not finalized"
dict = {"infohash": bin2str(torrentdef.get_infohash()),
"name": torrentdef.get_name_as_unicode(),
"length": torrentdef.get_length(),
"creation_date": torrentdef.get_creation_date(),
"num_files": len(torrentdef.get_files()),
"insert_time": long(time()),
"secret": 1 if torrentdef.is_private() else 0,
"relevance": 0.0,
"category": self.category.calculateCategory(torrentdef.metainfo, torrentdef.get_name_as_unicode()),
"status": extra_info.get("status", "unknown"),
"comment": torrentdef.get_comment_as_unicode(),
"is_collected": extra_info.get('is_collected', 0)
}
if extra_info.get("seeder", -1) != -1:
dict["num_seeders"] = extra_info["seeder"]
if extra_info.get("leecher", -1) != -1:
dict["num_leechers"] = extra_info["leecher"]
return dict
def _addTorrentToDB(self, torrentdef, extra_info):
assert isinstance(torrentdef, TorrentDef), "TORRENTDEF has invalid type: %s" % type(torrentdef)
assert torrentdef.is_finalized(), "TORRENTDEF is not finalized"
infohash = torrentdef.get_infohash()
swarmname = torrentdef.get_name_as_unicode()
database_dict = self._get_database_dict(torrentdef, extra_info)
# see if there is already a torrent in the database with this infohash
torrent_id = self.getTorrentID(infohash)
if torrent_id is None: # not in database
self._db.insert("Torrent", **database_dict)
torrent_id = self.getTorrentID(infohash)
else: # infohash in db
del database_dict["infohash"] # no need for infohash, its already stored
where = "torrent_id = %d" % torrent_id
self._db.update('Torrent', where=where, **database_dict)
if not torrentdef.is_multifile_torrent():
swarmname, _ = os.path.splitext(swarmname)
self._indexTorrent(torrent_id, swarmname, torrentdef.get_files_as_unicode())
self._addTorrentTracker(torrent_id, torrentdef, extra_info)
return torrent_id
def _indexTorrent(self, torrent_id, swarmname, files):
existed = self._db.getOne('CollectedTorrent', 'infohash', torrent_id=torrent_id)
if existed:
return
# Niels: new method for indexing, replaces invertedindex
# Making sure that swarmname does not include extension for single file torrents
swarm_keywords = " ".join(split_into_keywords(swarmname))
filedict = {}
fileextensions = set()
for filename in files:
filename, extension = os.path.splitext(filename)
for keyword in split_into_keywords(filename, to_filter_stopwords=True):
filedict[keyword] = filedict.get(keyword, 0) + 1
fileextensions.add(extension[1:])
filenames = filedict.keys()
if len(filenames) > 1000:
def popSort(a, b):
return filedict[a] - filedict[b]
filenames.sort(cmp=popSort, reverse=True)
filenames = filenames[:1000]
values = (torrent_id, swarm_keywords, " ".join(filenames), " ".join(fileextensions))
try:
# INSERT OR REPLACE not working for fts3 table
self._db.execute_write(u"DELETE FROM FullTextIndex WHERE rowid = ?", (torrent_id,))
self._db.execute_write(
u"INSERT INTO FullTextIndex (rowid, swarmname, filenames, fileextensions) VALUES(?,?,?,?)", values)
except:
# this will fail if the fts3 module cannot be found
print_exc()
# ------------------------------------------------------------
# Adds the trackers of a given torrent into the database.
# ------------------------------------------------------------
def _addTorrentTracker(self, torrent_id, torrentdef, extra_info={}):
# Set add_all to True if you want to put all multi-trackers into db.
# In the current version (4.2) only the main tracker is used.
announce = torrentdef.get_tracker()
announce_list = torrentdef.get_tracker_hierarchy()
# check if to use DHT
new_tracker_set = set()
if torrentdef.is_private():
new_tracker_set.add(u'no-DHT')
else:
new_tracker_set.add(u'DHT')
# get rid of junk trackers
# prepare the tracker list to add
if announce:
tracker_url = get_uniformed_tracker_url(announce)
if tracker_url:
new_tracker_set.add(tracker_url)
if announce_list:
for tier in announce_list:
for tracker in tier:
# TODO: check this. a limited tracker list
if len(new_tracker_set) >= 25:
break
tracker_url = get_uniformed_tracker_url(tracker)
if tracker_url:
new_tracker_set.add(tracker_url)
# add trackers in batch
self.addTorrentTrackerMappingInBatch(torrent_id, list(new_tracker_set))
def updateTorrent(self, infohash, notify=True, **kw): # watch the schema of database
if 'seeder' in kw:
kw['num_seeders'] = kw.pop('seeder')
if 'leecher' in kw:
kw['num_leechers'] = kw.pop('leecher')
for key in kw.keys():
if key not in self.keys:
kw.pop(key)
if len(kw) > 0:
infohash_str = bin2str(infohash)
where = "infohash='%s'" % infohash_str
self._db.update(self.table_name, where, **kw)
if notify:
self.notifier.notify(NTFY_TORRENTS, NTFY_UPDATE, infohash)
def on_torrent_collect_response(self, infohashes):
infohash_list = [(bin2str(infohash)) for infohash in infohashes]
i_parameters = u"?," * len(infohash_list)
i_parameters = i_parameters[:-1]
sql = u"SELECT torrent_id, infohash FROM Torrent WHERE infohash in (%s)" % i_parameters
results = self._db.fetchall(sql, infohash_list)
info_dict = {}
for torrent_id, infohash in results:
if infohash:
info_dict[infohash] = torrent_id
to_be_inserted = []
for infohash in infohash_list:
if infohash in info_dict:
continue
to_be_inserted.append((infohash,))
if len(to_be_inserted) > 0:
sql = u"INSERT OR IGNORE INTO Torrent (infohash) VALUES (?)"
self._db.executemany(sql, to_be_inserted)
def on_search_response(self, torrents):
status = u'unknown'
torrents = [(bin2str(torrent[0]), torrent[1], torrent[2], torrent[3], torrent[4][0],
torrent[5]) for torrent in torrents]
infohash = [(torrent[0],) for torrent in torrents]
sql = u"SELECT torrent_id, infohash, is_collected, name FROM Torrent WHERE infohash == ?"
results = self._db.executemany(sql, infohash) or []
infohash_tid = {}
tid_collected = set()
tid_name = {}
for torrent_id, infohash, is_collected, name in results:
infohash = str(infohash)
if infohash:
infohash_tid[infohash] = torrent_id
if is_collected:
tid_collected.add(torrent_id)
tid_name[torrent_id] = name
insert = []
update = []
update_infohash = []
to_be_indexed = []
for infohash, swarmname, length, nrfiles, category, creation_date in torrents:
tid = infohash_tid.get(infohash, None)
if tid: # we know this torrent
if tid not in tid_collected and swarmname != tid_name.get(tid, ''): # if not collected and name not equal then do fullupdate
update.append((swarmname, length, nrfiles, category, creation_date, infohash, status, tid))
to_be_indexed.append((tid, swarmname))
elif infohash and infohash not in infohash_tid:
update_infohash.append((infohash, tid))
else:
insert.append((swarmname, length, nrfiles, category, creation_date, infohash, status))
if len(update) > 0:
sql = u"UPDATE Torrent SET name = ?, length = ?, num_files = ?, category = ?, creation_date = ?," \
u" infohash = ?, status = ? WHERE torrent_id = ?"
self._db.executemany(sql, update)
if len(update_infohash) > 0:
sql = u"UPDATE Torrent SET infohash = ? WHERE torrent_id = ?"
self._db.executemany(sql, update_infohash)
if len(insert) > 0:
sql = u"INSERT INTO Torrent (name, length, num_files, category, creation_date, infohash," \
u" status) VALUES (?, ?, ?, ?, ?, ?, ?)"
try:
self._db.executemany(sql, insert)
were_inserted = [(inserted[5],) for inserted in insert]
sql = u"SELECT torrent_id, name FROM Torrent WHERE infohash == ?"
to_be_indexed = to_be_indexed + list(self._db.executemany(sql, were_inserted))
except:
print_exc()
self._logger.error(u"infohashes: %s", insert)
for torrent_id, swarmname in to_be_indexed:
self._indexTorrent(torrent_id, swarmname, [])
def getTorrentCheckRetries(self, torrent_id):
sql = u"SELECT tracker_check_retries FROM Torrent WHERE torrent_id = ?"
result = self._db.fetchone(sql, (torrent_id,))
return result
def updateTorrentCheckResult(self, torrent_id, infohash, seeders, leechers, last_check, next_check, status,
retries):
sql = u"UPDATE Torrent SET num_seeders = ?, num_leechers = ?, last_tracker_check = ?, next_tracker_check = ?," \
u" status = ?, tracker_check_retries = ? WHERE torrent_id = ?"
self._db.execute_write(sql, (seeders, leechers, last_check, next_check, status, retries, torrent_id))
self._logger.debug(u"update result %d/%d for %s/%d", seeders, leechers, bin2str(infohash), torrent_id)
# notify
self.notifier.notify(NTFY_TORRENTS, NTFY_UPDATE, infohash)
def addTorrentTrackerMapping(self, torrent_id, tracker):
self.addTorrentTrackerMappingInBatch(torrent_id, [tracker, ])
def addTorrentTrackerMappingInBatch(self, torrent_id, tracker_list):
if not tracker_list:
return
parameters = u"?," * len(tracker_list)
parameters = parameters[:-1]
sql = u"SELECT tracker FROM TrackerInfo WHERE tracker IN (%s)" % parameters
found_tracker_list = self._db.fetchall(sql, tuple(tracker_list))
found_tracker_list = [tracker[0] for tracker in found_tracker_list]
# update tracker info
not_found_tracker_list = [tracker for tracker in tracker_list if tracker not in found_tracker_list]
for tracker in not_found_tracker_list:
if self.session.lm.tracker_manager is not None:
self.session.lm.tracker_manager.add_tracker(tracker)
# update torrent-tracker mapping
sql = 'INSERT OR IGNORE INTO TorrentTrackerMapping(torrent_id, tracker_id)'\
+ ' VALUES(?, (SELECT tracker_id FROM TrackerInfo WHERE tracker = ?))'
new_mapping_list = [(torrent_id, tracker) for tracker in tracker_list]
if new_mapping_list:
self._db.executemany(sql, new_mapping_list)
# add trackers into the torrent file if it has been collected
if not self.session.get_torrent_store() or self.session.lm.torrent_store is None:
return
infohash = self.getInfohash(torrent_id)
if infohash and self.session.has_collected_torrent(infohash):
torrent_data = self.session.get_collected_torrent(infohash)
tdef = TorrentDef.load_from_memory(torrent_data)
new_tracker_list = []
for tracker in tracker_list:
if tdef.get_tracker() and tracker == tdef.get_tracker():
continue
if tdef.get_tracker_hierarchy() and tracker in tdef.get_tracker_hierarchy():
continue
if tracker in ('DHT', 'no-DHT'):
continue
tracker = get_uniformed_tracker_url(tracker)
if tracker and [tracker] not in new_tracker_list:
new_tracker_list.append([tracker])
if tdef.get_tracker_hierarchy():
new_tracker_list = tdef.get_tracker_hierarchy() + new_tracker_list
if new_tracker_list:
tdef.set_tracker_hierarchy(new_tracker_list)
# have to use bencode to get around the TorrentDef.is_finalized() check in TorrentDef.encode()
self.session.save_collected_torrent(infohash, bencode(tdef.metainfo))
def getTorrentsOnTracker(self, tracker, current_time):
sql = """
SELECT T.torrent_id, T.infohash, T.last_tracker_check
FROM Torrent T, TrackerInfo TI, TorrentTrackerMapping TTM
WHERE TI.tracker = ?
AND TI.tracker_id = TTM.tracker_id AND T.torrent_id = TTM.torrent_id
AND next_tracker_check < ?
"""
infohash_list = self._db.fetchall(sql, (tracker, current_time))
return [(torrent_id, str2bin(infohash), last_tracker_check) for torrent_id, infohash, last_tracker_check in infohash_list]
def getTrackerListByTorrentID(self, torrent_id):
sql = 'SELECT TR.tracker FROM TrackerInfo TR, TorrentTrackerMapping MP'\
+ ' WHERE MP.torrent_id = ?'\
+ ' AND TR.tracker_id = MP.tracker_id'
tracker_list = self._db.fetchall(sql, (torrent_id,))
return [tracker[0] for tracker in tracker_list]
def getTrackerListByInfohash(self, infohash):
torrent_id = self.getTorrentID(infohash)
return self.getTrackerListByTorrentID(torrent_id)
def addTrackerInfo(self, tracker, to_notify=True):
self.addTrackerInfoInBatch([tracker, ], to_notify)
def addTrackerInfoInBatch(self, tracker_list, to_notify=True):
sql = 'INSERT INTO TrackerInfo(tracker) VALUES(?)'
self._db.executemany(sql, [(tracker,) for tracker in tracker_list])
if to_notify:
self.notifier.notify(NTFY_TRACKERINFO, NTFY_INSERT, tracker_list)
def getTrackerInfoList(self):
sql = 'SELECT tracker, last_check, failures, is_alive FROM TrackerInfo'
tracker_info_list = self._db.fetchall(sql)
return tracker_info_list
def updateTrackerInfo(self, args):
sql = 'UPDATE TrackerInfo SET'\
+ ' last_check = ?, failures = ?, is_alive = ?'\
+ ' WHERE tracker = ?'
self._db.executemany(sql, args)
def getRecentlyAliveTrackers(self, limit=10):
sql = """
SELECT DISTINCT tracker FROM TrackerInfo
WHERE is_alive = 1
AND tracker != 'no-DHT' AND tracker != 'DHT'
ORDER BY last_check DESC LIMIT ?
"""
trackers = self._db.fetchall(sql, (limit,))
return [tracker[0] for tracker in trackers]
def getTorrent(self, infohash, keys=None, include_mypref=True):
assert isinstance(infohash, str), "INFOHASH has invalid type: %s" % type(infohash)
assert len(infohash) == INFOHASH_LENGTH, "INFOHASH has invalid length: %d" % len(infohash)
if keys is None:
keys = deepcopy(self.value_name)
else:
keys = list(keys)
res = self._db.getOne('Torrent C', keys, infohash=bin2str(infohash))
if not res:
return None
torrent = dict(zip(keys, res))
torrent['infohash'] = infohash
if include_mypref:
tid = torrent['C.torrent_id']
stats = self.mypref_db.getMyPrefStats(tid)
if stats:
torrent['myDownloadHistory'] = True
torrent['destination_path'] = stats[tid]
else:
torrent['myDownloadHistory'] = False
return torrent
def getLibraryTorrents(self, keys):
sql = u"SELECT " + u", ".join(keys) + u""" FROM MyPreference, Torrent LEFT JOIN ChannelTorrents
ON Torrent.torrent_id = ChannelTorrents.torrent_id WHERE destination_path != ''
AND MyPreference.torrent_id = Torrent.torrent_id"""
data = self._db.fetchall(sql)
fixed = self.__fixTorrents(keys, data)
return fixed
def __fixTorrents(self, keys, results):
def fix_value(key):
if key in keys:
key_index = keys.index(key)
for i in range(len(results)):
result = list(results[i])
if result[key_index]:
result[key_index] = str2bin(result[key_index])
results[i] = result
fix_value('infohash')
return results
def getNumberCollectedTorrents(self):
# return self._db.size('CollectedTorrent')
return self._db.getOne('CollectedTorrent', 'count(torrent_id)')
def getRecentlyCollectedTorrents(self, limit):
sql = u"""
SELECT CT.infohash, CT.num_seeders, CT.num_leechers, T.last_tracker_check, CT.insert_time
FROM Torrent T, CollectedTorrent CT
WHERE CT.torrent_id = T.torrent_id
AND T.secret is not 1 ORDER BY CT.insert_time DESC LIMIT ?
"""
results = self._db.fetchall(sql, (limit,))
return [[str2bin(result[0]), result[1], result[2], result[3] or 0, result[4]] for result in results]
def getRandomlyCollectedTorrents(self, insert_time, limit):
sql = u"""
SELECT CT.infohash, CT.num_seeders, CT.num_leechers, T.last_tracker_check
FROM Torrent T, CollectedTorrent CT
WHERE CT.torrent_id = T.torrent_id
AND CT.insert_time < ?
AND T.secret is not 1 ORDER BY RANDOM() DESC LIMIT ?
"""
results = self._db.fetchall(sql, (insert_time, limit))
return [[str2bin(result[0]), result[1], result[2], result[3] or 0] for result in results]
def select_torrents_to_collect(self, hashes):
parameters = '?,' * len(hashes)
parameters = parameters[:-1]
# TODO: bias according to votecast, popular first
sql = u"SELECT infohash FROM Torrent WHERE is_collected == 0 AND infohash IN (%s)" % parameters
results = self._db.fetchall(sql, map(bin2str, hashes))
return [str2bin(infohash) for infohash, in results]
def getTorrentsStats(self):
return self._db.getOne('CollectedTorrent', ['count(torrent_id)', 'sum(length)', 'sum(num_files)'])
def freeSpace(self, torrents2del):
if self.channelcast_db and self.channelcast_db._channel_id:
sql = U"""
SELECT name, torrent_id, infohash, relevance,
MIN(relevance, 2500) + MIN(500, num_leechers) + 4*MIN(500, num_seeders) - (MAX(0, MIN(500, (%d - creation_date)/86400)) ) AS weight
FROM CollectedTorrent
WHERE torrent_id NOT IN (SELECT torrent_id FROM MyPreference)
AND torrent_id NOT IN (SELECT torrent_id FROM ChannelTorrents WHERE channel_id == %d)
ORDER BY weight
LIMIT %d
""" % (int(time()), self.channelcast_db._channel_id, torrents2del)
else:
sql = u"""
SELECT name, torrent_id, infohash, relevance,
min(relevance,2500) + min(500,num_leechers) + 4*min(500,num_seeders) - (max(0,min(500,(%d-creation_date)/86400)) ) AS weight
FROM CollectedTorrent
WHERE torrent_id NOT IN (SELECT torrent_id FROM MyPreference)
ORDER BY weight
LIMIT %d
""" % (int(time()), torrents2del)
res_list = self._db.fetchall(sql)
if len(res_list) == 0:
return 0
# delete torrents from db
sql_del_torrent = u"UPDATE Torrent SET name = NULL, is_collected = 0 WHERE torrent_id = ?"
# sql_del_pref = "delete from Preference where torrent_id=?"
tids = []
for _name, torrent_id, infohash, _relevance, _weight in res_list:
tids.append((torrent_id,))
self.session.delete_collected_torrent(infohash)
self._db.executemany(sql_del_torrent, tids)
# self._db.executemany(sql_del_tracker, tids)
deleted = self._db.connection.changes()
# self._db.executemany(sql_del_pref, tids)
# but keep the infohash in db to maintain consistence with preference db
# torrent_id_infohashes = [(torrent_id,infohash_str,relevance) for torrent_file_name, torrent_id, infohash_str, relevance, weight in res_list]
# sql_insert = "insert into Torrent (torrent_id, infohash, relevance) values (?,?,?)"
# self._db.executemany(sql_insert, torrent_id_infohashes)
self._logger.info("Erased %d torrents", deleted)
return deleted
def searchNames(self, kws, local=True, keys=None, doSort=True):
assert 'infohash' in keys
assert not doSort or ('num_seeders' in keys or 'T.num_seeders' in keys)
infohash_index = keys.index('infohash')
num_seeders_index = keys.index('num_seeders') if 'num_seeders' in keys else -1
if num_seeders_index == -1:
doSort = False
values = ", ".join(keys)
mainsql = "SELECT " + values + ", C.channel_id, Matchinfo(FullTextIndex) FROM"
if local:
mainsql += " Torrent T"
else:
mainsql += " CollectedTorrent T"
mainsql += """, FullTextIndex
LEFT OUTER JOIN _ChannelTorrents C ON T.torrent_id = C.torrent_id
WHERE t.name IS NOT NULL AND t.torrent_id = FullTextIndex.rowid AND C.deleted_at IS NULL AND FullTextIndex MATCH ?
"""
if not local:
mainsql += "AND T.secret is not 1 LIMIT 250"
query = " ".join(filter_keywords(kws))
not_negated = [kw for kw in filter_keywords(kws) if kw[0] != '-']
results = self._db.fetchall(mainsql, (query,))
channels = set()
channel_dict = {}
for result in results:
if result[-2]:
channels.add(result[-2])
if len(channels) > 0:
# results are tuples of (id, str(dispersy_cid), name, description,
# nr_torrents, nr_favorites, nr_spam, my_vote, modified, id ==
# self._channel_id)
for channel in self.channelcast_db.getChannels(channels):
if channel[1] != '-1':
channel_dict[channel[0]] = channel
myChannelId = self.channelcast_db._channel_id or 0
result_dict = {}
# step 1, merge torrents keep one with best channel
for result in results:
channel_id = result[-2]
channel = channel_dict.get(channel_id, None)
infohash = result[infohash_index]
if channel:
# ignoring spam channels
if channel[7] < 0:
continue
# see if we have a better channel in torrents_dict
if infohash in result_dict:
old_channel = channel_dict.get(result_dict[infohash][-2], False)
if old_channel:
# allways prefer my channel
if old_channel[0] == myChannelId:
continue
# allways prefer channel with higher vote
if channel[7] < old_channel[7]:
continue
votes = (channel[5] or 0) - (channel[6] or 0)
oldvotes = (old_channel[5] or 0) - (old_channel[6] or 0)
if votes < oldvotes:
continue
result_dict[infohash] = result
elif infohash not in result_dict:
result_dict[infohash] = result
# step 2, fix all dict fields
dont_sort_list = []
results = [list(result) for result in result_dict.values()]
for i in xrange(len(results) - 1, -1, -1):
result = results[i]
result[infohash_index] = str2bin(result[infohash_index])
matches = {'swarmname': set(), 'filenames': set(), 'fileextensions': set()}
# Matchinfo is documented at: http://www.sqlite.org/fts3.html#matchinfo
matchinfo = str(result[-1])
num_phrases, num_cols = unpack_from('II', matchinfo)
unpack_str = 'I' * (3 * num_cols * num_phrases)
matchinfo = unpack_from('II' + unpack_str, matchinfo)
swarmnames, filenames, fileextensions = [
[matchinfo[3 * (i + p * num_cols) + 2] for p in range(num_phrases)]
for i in range(num_cols)
]
for i, keyword in enumerate(not_negated):
if swarmnames[i]:
matches['swarmname'].add(keyword)
if filenames[i]:
matches['filenames'].add(keyword)
if fileextensions[i]:
matches['fileextensions'].add(keyword)
result[-1] = matches
channel = channel_dict.get(result[-2], (result[-2], None, '', '', 0, 0, 0, 0, 0, False))
result.extend(channel)
if doSort and result[num_seeders_index] <= 0:
dont_sort_list.append(result)
results.pop(i)
if doSort:
def compare(a, b):
return cmp(a[num_seeders_index], b[num_seeders_index])
results.sort(compare, reverse=True)
results.extend(dont_sort_list)
if not local:
results = results[:25]
return results
def getAutoCompleteTerms(self, keyword, max_terms, limit=100):
sql = "SELECT swarmname FROM FullTextIndex WHERE swarmname MATCH ? LIMIT ?"
result = self._db.fetchall(sql, (keyword + '*', limit))