source: trunk/macosx/Torrent.m @ 10106

Last change on this file since 10106 was 10106, checked in by livings124, 12 years ago

#2867 Display peers and web seeds for all selected torrents in the inspector

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1/******************************************************************************
2 * $Id: Torrent.m 10106 2010-02-06 03:34:49Z livings124 $
3 *
4 * Copyright (c) 2006-2010 Transmission authors and contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *****************************************************************************/
24
25#import "Torrent.h"
26#import "GroupsController.h"
27#import "FileListNode.h"
28#import "NSStringAdditions.h"
29#import "TrackerNode.h"
30#import "utils.h" //tr_httpIsValidURL
31
32@interface Torrent (Private)
33
34- (id) initWithPath: (NSString *) path hash: (NSString *) hashString torrentStruct: (tr_torrent *) torrentStruct
35        magnetAddress: (NSString *) magnetAddress lib: (tr_session *) lib
36        waitToStart: (NSNumber *) waitToStart
37        groupValue: (NSNumber *) groupValue
38        downloadFolder: (NSString *) downloadFolder legacyIncompleteFolder: (NSString *) incompleteFolder;
39
40- (void) createFileList;
41- (void) insertPath: (NSMutableArray *) components forParent: (FileListNode *) parent fileSize: (uint64_t) size
42    index: (NSInteger) index flatList: (NSMutableArray *) flatFileList;
43
44- (void) completenessChange: (NSNumber *) status;
45- (void) ratioLimitHit;
46- (void) metadataRetrieved;
47
48- (NSString *) etaString;
49
50- (void) setTimeMachineExclude: (BOOL) exclude forPath: (NSString *) path;
51
52@end
53
54void completenessChangeCallback(tr_torrent * torrent, tr_completeness status, void * torrentData)
55{
56    [(Torrent *)torrentData performSelectorOnMainThread: @selector(completenessChange:)
57        withObject: [[NSNumber alloc] initWithInt: status] waitUntilDone: NO];
58}
59
60void ratioLimitHitCallback(tr_torrent * torrent, void * torrentData)
61{
62    [(Torrent *)torrentData performSelectorOnMainThread: @selector(ratioLimitHit) withObject: nil waitUntilDone: NO];
63}
64
65void metadataCallback(tr_torrent * torrent, void * torrentData)
66{
67    [(Torrent *)torrentData performSelectorOnMainThread: @selector(metadataRetrieved) withObject: nil waitUntilDone: NO];
68}
69
70int trashDataFile(const char * filename)
71{
72    if (filename != NULL)
73        [Torrent trashFile: [NSString stringWithUTF8String: filename]];
74    return 0;
75}
76
77@implementation Torrent
78
79- (id) initWithPath: (NSString *) path location: (NSString *) location deleteTorrentFile: (BOOL) torrentDelete
80        lib: (tr_session *) lib
81{
82    self = [self initWithPath: path hash: nil torrentStruct: NULL magnetAddress: nil lib: lib
83            waitToStart: nil groupValue: nil
84            downloadFolder: location legacyIncompleteFolder: nil];
85   
86    if (self)
87    {
88        if (torrentDelete && ![[self torrentLocation] isEqualToString: path])
89            [Torrent trashFile: path];
90    }
91    return self;
92}
93
94- (id) initWithTorrentStruct: (tr_torrent *) torrentStruct location: (NSString *) location lib: (tr_session *) lib
95{
96    self = [self initWithPath: nil hash: nil torrentStruct: torrentStruct magnetAddress: nil lib: lib
97            waitToStart: nil groupValue: nil
98            downloadFolder: location legacyIncompleteFolder: nil];
99   
100    return self;
101}
102
103#warning need location (and use it)?
104- (id) initWithMagnetAddress: (NSString *) address location: (NSString *) location lib: (tr_session *) lib
105{
106    self = [self initWithPath: nil hash: nil torrentStruct: nil magnetAddress: address
107            lib: lib waitToStart: nil groupValue: nil
108            downloadFolder: location legacyIncompleteFolder: nil];
109   
110    return self;
111}
112
113- (id) initWithHistory: (NSDictionary *) history lib: (tr_session *) lib forcePause: (BOOL) pause
114{
115    self = [self initWithPath: [history objectForKey: @"InternalTorrentPath"]
116                hash: [history objectForKey: @"TorrentHash"]
117                torrentStruct: NULL
118                magnetAddress: nil
119                lib: lib
120                waitToStart: [history objectForKey: @"WaitToStart"]
121                groupValue: [history objectForKey: @"GroupValue"]
122                downloadFolder: [history objectForKey: @"DownloadFolder"] //upgrading from versions < 1.80
123                legacyIncompleteFolder: [[history objectForKey: @"UseIncompleteFolder"] boolValue] //upgrading from versions < 1.80
124                                        ? [history objectForKey: @"IncompleteFolder"] : nil];
125   
126    if (self)
127    {
128        //start transfer
129        NSNumber * active;
130        if (!pause && (active = [history objectForKey: @"Active"]) && [active boolValue])
131        {
132            fStat = tr_torrentStat(fHandle);
133            [self startTransfer];
134        }
135       
136        //upgrading from versions < 1.30: get old added, activity, and done dates
137        NSDate * date;
138        if ((date = [history objectForKey: @"Date"]))
139            tr_torrentSetAddedDate(fHandle, [date timeIntervalSince1970]);
140        if ((date = [history objectForKey: @"DateActivity"]))
141            tr_torrentSetActivityDate(fHandle, [date timeIntervalSince1970]);
142        if ((date = [history objectForKey: @"DateCompleted"]))
143            tr_torrentSetDoneDate(fHandle, [date timeIntervalSince1970]);
144       
145        //upgrading from versions < 1.60: get old stop ratio settings
146        NSNumber * ratioSetting;
147        if ((ratioSetting = [history objectForKey: @"RatioSetting"]))
148        {
149            switch ([ratioSetting intValue])
150            {
151                case NSOnState: [self setRatioSetting: TR_RATIOLIMIT_SINGLE]; break;
152                case NSOffState: [self setRatioSetting: TR_RATIOLIMIT_UNLIMITED]; break;
153                case NSMixedState: [self setRatioSetting: TR_RATIOLIMIT_GLOBAL]; break;
154            }
155        }
156        NSNumber * ratioLimit;
157        if ((ratioLimit = [history objectForKey: @"RatioLimit"]))
158            [self setRatioLimit: [ratioLimit floatValue]];
159    }
160    return self;
161}
162
163- (NSDictionary *) history
164{
165    return [NSDictionary dictionaryWithObjectsAndKeys:
166                [self torrentLocation], @"InternalTorrentPath",
167                [self hashString], @"TorrentHash",
168                [NSNumber numberWithBool: [self isActive]], @"Active",
169                [NSNumber numberWithBool: fWaitToStart], @"WaitToStart",
170                [NSNumber numberWithInt: fGroupValue], @"GroupValue", nil];
171}
172
173- (void) dealloc
174{
175    [[NSNotificationCenter defaultCenter] removeObserver: self];
176   
177    if (fFileStat)
178        tr_torrentFilesFree(fFileStat, [self fileCount]);
179   
180    [fPreviousFinishedIndexes release];
181    [fPreviousFinishedIndexesDate release];
182   
183    [fHashString release];
184   
185    [fIcon release];
186   
187    [fFileList release];
188    [fFlatFileList release];
189   
190    [fTimeMachineExclude release];
191   
192    [super dealloc];
193}
194
195- (NSString *) description
196{
197    return [@"Torrent: " stringByAppendingString: [self name]];
198}
199
200- (void) closeRemoveTorrent
201{
202    //allow the file to be index by Time Machine
203    if (fTimeMachineExclude)
204    {
205        [self setTimeMachineExclude: NO forPath: fTimeMachineExclude];
206        [fTimeMachineExclude release];
207        fTimeMachineExclude = nil;
208    }
209   
210    tr_torrentRemove(fHandle);
211}
212
213- (void) changeDownloadFolderBeforeUsing: (NSString *) folder
214{
215     tr_torrentSetDownloadDir(fHandle, [folder UTF8String]);
216     [self updateTimeMachineExclude];
217}
218
219- (NSString *) currentDirectory
220{
221    return [NSString stringWithUTF8String: tr_torrentGetCurrentDir(fHandle)];
222}
223
224- (void) getAvailability: (int8_t *) tab size: (NSInteger) size
225{
226    tr_torrentAvailability(fHandle, tab, size);
227}
228
229- (void) getAmountFinished: (float *) tab size: (NSInteger) size
230{
231    tr_torrentAmountFinished(fHandle, tab, size);
232}
233
234- (NSIndexSet *) previousFinishedPieces
235{
236    //if the torrent hasn't been seen in a bit, and therefore hasn't been refreshed, return nil
237    if (fPreviousFinishedIndexesDate && [fPreviousFinishedIndexesDate timeIntervalSinceNow] > -2.0)
238        return fPreviousFinishedIndexes;
239    else
240        return nil;
241}
242
243-(void) setPreviousFinishedPieces: (NSIndexSet *) indexes
244{
245    [fPreviousFinishedIndexes release];
246    fPreviousFinishedIndexes = [indexes retain];
247   
248    [fPreviousFinishedIndexesDate release];
249    fPreviousFinishedIndexesDate = indexes != nil ? [[NSDate alloc] init] : nil;
250}
251
252- (void) update
253{
254    //get previous status values before update
255    BOOL wasChecking = NO, wasError = NO, wasStalled = NO;
256    if (fStat != NULL)
257    {
258        wasChecking = [self isChecking];
259        wasError = [self isError];
260        wasStalled = fStalled;
261    }
262   
263    fStat = tr_torrentStat(fHandle);
264   
265    //check if stalled (stored because based on time and needs to check if it was previously stalled)
266    fStalled = [self isActive] && [fDefaults boolForKey: @"CheckStalled"]
267                && [self stalledMinutes] > [fDefaults integerForKey: @"StalledMinutes"];
268   
269    //update queue for checking (from downloading to seeding), stalled, or error
270    if ((wasChecking && ![self isChecking]) || (wasStalled != fStalled) || (!wasError && [self isError] && [self isActive]))
271        [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateQueue" object: self];
272   
273    //when the data first appears, update time machine exclusion
274    if (!fTimeMachineExclude)
275        [self updateTimeMachineExclude];
276}
277
278- (void) startTransfer
279{
280    fWaitToStart = NO;
281    fFinishedSeeding = NO;
282   
283    if (![self isActive] && [self alertForRemainingDiskSpace])
284    {
285        tr_torrentStart(fHandle);
286        [self update];
287    }
288}
289
290- (void) stopTransfer
291{
292    fWaitToStart = NO;
293   
294    if ([self isActive])
295    {
296        tr_torrentStop(fHandle);
297        [self update];
298       
299        [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateQueue" object: self];
300    }
301}
302
303- (void) sleep
304{
305    if ((fResumeOnWake = [self isActive]))
306        tr_torrentStop(fHandle);
307}
308
309- (void) wakeUp
310{
311    if (fResumeOnWake)
312        tr_torrentStart(fHandle);
313}
314
315- (void) manualAnnounce
316{
317    tr_torrentManualUpdate(fHandle);
318}
319
320- (BOOL) canManualAnnounce
321{
322    return tr_torrentCanManualUpdate(fHandle);
323}
324
325- (void) resetCache
326{
327    tr_torrentVerify(fHandle);
328    [self update];
329}
330
331- (BOOL) isMagnet
332{
333    return !tr_torrentHasMetadata(fHandle);
334}
335
336- (NSString *) magnetLink
337{
338    return [NSString stringWithUTF8String: tr_torrentGetMagnetLink(fHandle)];
339}
340
341- (CGFloat) ratio
342{
343    return fStat->ratio;
344}
345
346- (tr_ratiolimit) ratioSetting
347{
348    return tr_torrentGetRatioMode(fHandle);
349}
350
351- (void) setRatioSetting: (tr_ratiolimit) setting
352{
353    tr_torrentSetRatioMode(fHandle, setting);
354}
355
356- (CGFloat) ratioLimit
357{
358    return tr_torrentGetRatioLimit(fHandle);
359}
360
361- (void) setRatioLimit: (CGFloat) limit
362{
363    NSAssert(limit >= 0, @"Ratio cannot be negative");
364    tr_torrentSetRatioLimit(fHandle, limit);
365}
366
367- (BOOL) seedRatioSet
368{
369    return tr_torrentGetSeedRatio(fHandle, NULL);
370}
371
372- (CGFloat) progressStopRatio
373{
374    return fStat->percentRatio;
375}
376
377- (BOOL) usesSpeedLimit: (BOOL) upload
378{
379    return tr_torrentUsesSpeedLimit(fHandle, upload ? TR_UP : TR_DOWN);
380}
381
382- (void) setUseSpeedLimit: (BOOL) use upload: (BOOL) upload
383{
384    tr_torrentUseSpeedLimit(fHandle, upload ? TR_UP : TR_DOWN, use);
385}
386
387- (NSInteger) speedLimit: (BOOL) upload
388{
389    return tr_torrentGetSpeedLimit(fHandle, upload ? TR_UP : TR_DOWN);
390}
391
392- (void) setSpeedLimit: (NSInteger) limit upload: (BOOL) upload
393{
394    tr_torrentSetSpeedLimit(fHandle, upload ? TR_UP : TR_DOWN, limit);
395}
396
397- (BOOL) usesGlobalSpeedLimit
398{
399    return tr_torrentUsesSessionLimits(fHandle);
400}
401
402- (void) setUseGlobalSpeedLimit: (BOOL) use
403{
404    tr_torrentUseSessionLimits(fHandle, use);
405}
406
407- (void) setMaxPeerConnect: (uint16_t) count
408{
409    NSAssert(count > 0, @"max peer count must be greater than 0");
410   
411    tr_torrentSetPeerLimit(fHandle, count);
412}
413
414- (uint16_t) maxPeerConnect
415{
416    return tr_torrentGetPeerLimit(fHandle);
417}
418
419- (void) setWaitToStart: (BOOL) wait
420{
421    fWaitToStart = wait;
422}
423
424- (BOOL) waitingToStart
425{
426    return fWaitToStart;
427}
428
429- (tr_priority_t) priority
430{
431    return tr_torrentGetPriority(fHandle);
432}
433
434- (void) setPriority: (tr_priority_t) priority
435{
436    return tr_torrentSetPriority(fHandle, priority);
437}
438
439#warning when 10.6-only use recycleURLs:completionHandler:
440+ (void) trashFile: (NSString *) path
441{
442    //attempt to move to trash
443    if (![[NSWorkspace sharedWorkspace] performFileOperation: NSWorkspaceRecycleOperation
444        source: [path stringByDeletingLastPathComponent] destination: @""
445        files: [NSArray arrayWithObject: [path lastPathComponent]] tag: nil])
446    {
447        //if cannot trash, just delete it (will work if it's on a remote volume)
448        NSError * error;
449        if (![[NSFileManager defaultManager] removeItemAtPath: path error: &error])
450            NSLog(@"Could not trash %@: %@", path, [error localizedDescription]);
451    }
452}
453
454- (void) trashData
455{
456    tr_torrentDeleteLocalData(fHandle, trashDataFile);
457}
458
459- (void) moveTorrentDataFileTo: (NSString *) folder
460{
461    NSString * oldFolder = [self currentDirectory];
462    if ([oldFolder isEqualToString: folder])
463        return;
464   
465    //check if moving inside itself
466    NSArray * oldComponents = [oldFolder pathComponents],
467            * newComponents = [folder pathComponents];
468    const NSInteger oldCount = [oldComponents count];
469   
470    if (oldCount < [newComponents count] && [[newComponents objectAtIndex: oldCount] isEqualToString: [self name]]
471        && [folder hasPrefix: oldFolder])
472    {
473        NSAlert * alert = [[NSAlert alloc] init];
474        [alert setMessageText: NSLocalizedString(@"A folder cannot be moved to inside itself.",
475                                                    "Move inside itself alert -> title")];
476        [alert setInformativeText: [NSString stringWithFormat:
477                        NSLocalizedString(@"The move operation of \"%@\" cannot be done.",
478                                            "Move inside itself alert -> message"), [self name]]];
479        [alert addButtonWithTitle: NSLocalizedString(@"OK", "Move inside itself alert -> button")];
480       
481        [alert runModal];
482        [alert release];
483       
484        return;
485    }
486   
487    volatile int status;
488    tr_torrentSetLocation(fHandle, [folder UTF8String], YES, NULL, &status);
489   
490    while (status == TR_LOC_MOVING) //block while moving (for now)
491        [NSThread sleepForTimeInterval: 0.05];
492   
493    if (status == TR_LOC_DONE)
494        [[NSNotificationCenter defaultCenter] postNotificationName: @"UpdateStats" object: nil];
495    else
496    {
497        NSAlert * alert = [[NSAlert alloc] init];
498        [alert setMessageText: NSLocalizedString(@"There was an error moving the data file.", "Move error alert -> title")];
499        [alert setInformativeText: [NSString stringWithFormat:
500                NSLocalizedString(@"The move operation of \"%@\" cannot be done.", "Move error alert -> message"), [self name]]];
501        [alert addButtonWithTitle: NSLocalizedString(@"OK", "Move error alert -> button")];
502       
503        [alert runModal];
504        [alert release];
505    }
506   
507    [self updateTimeMachineExclude];
508}
509
510- (void) copyTorrentFileTo: (NSString *) path
511{
512    [[NSFileManager defaultManager] copyItemAtPath: [self torrentLocation] toPath: path error: NULL];
513}
514
515- (BOOL) alertForRemainingDiskSpace
516{
517    if ([self allDownloaded] || ![fDefaults boolForKey: @"WarningRemainingSpace"])
518        return YES;
519   
520    NSString * downloadFolder = [self currentDirectory], * volumeName;
521    if ((volumeName = [[[NSFileManager defaultManager] componentsToDisplayForPath: downloadFolder] objectAtIndex: 0]))
522    {
523        NSDictionary * systemAttributes = [[NSFileManager defaultManager] attributesOfFileSystemForPath: downloadFolder error: NULL];
524        uint64_t remainingSpace = [[systemAttributes objectForKey: NSFileSystemFreeSize] unsignedLongLongValue];
525       
526        //if the remaining space is greater than the size left, then there is enough space regardless of preallocation
527        if (remainingSpace < [self sizeLeft] && remainingSpace < tr_torrentGetBytesLeftToAllocate(fHandle))
528        {
529            NSAlert * alert = [[NSAlert alloc] init];
530            [alert setMessageText: [NSString stringWithFormat:
531                                    NSLocalizedString(@"Not enough remaining disk space to download \"%@\" completely.",
532                                        "Torrent disk space alert -> title"), [self name]]];
533            [alert setInformativeText: [NSString stringWithFormat: NSLocalizedString(@"The transfer will be paused."
534                                        " Clear up space on %@ or deselect files in the torrent inspector to continue.",
535                                        "Torrent disk space alert -> message"), volumeName]];
536            [alert addButtonWithTitle: NSLocalizedString(@"OK", "Torrent disk space alert -> button")];
537            [alert addButtonWithTitle: NSLocalizedString(@"Download Anyway", "Torrent disk space alert -> button")];
538           
539            [alert setShowsSuppressionButton: YES];
540            [[alert suppressionButton] setTitle: NSLocalizedString(@"Do not check disk space again",
541                                                    "Torrent disk space alert -> button")];
542
543            const NSInteger result = [alert runModal];
544            if ([[alert suppressionButton] state] == NSOnState)
545                [fDefaults setBool: NO forKey: @"WarningRemainingSpace"];
546            [alert release];
547           
548            return result != NSAlertFirstButtonReturn;
549        }
550    }
551    return YES;
552}
553
554- (NSImage *) icon
555{
556    if ([self isMagnet])
557        return [NSImage imageNamed: @"Magnet.png"];
558   
559    #warning replace 'fldr' stuff with NSImageNameFolder on 10.6
560    if (!fIcon)
561        fIcon = [[[NSWorkspace sharedWorkspace] iconForFileType: [self isFolder] ? NSFileTypeForHFSTypeCode('fldr')
562                                                                                : [[self name] pathExtension]] retain];
563    return fIcon;
564}
565
566- (NSString *) name
567{
568    return fInfo->name != NULL ? [NSString stringWithUTF8String: fInfo->name] : fHashString;
569}
570
571- (BOOL) isFolder
572{
573    return fInfo->isMultifile;
574}
575
576- (uint64_t) size
577{
578    return fInfo->totalSize;
579}
580
581- (uint64_t) sizeLeft
582{
583    return fStat->leftUntilDone;
584}
585
586- (NSMutableArray *) allTrackerStats
587{
588    int count;
589    tr_tracker_stat * stats = tr_torrentTrackers(fHandle, &count);
590   
591    NSMutableArray * trackers = [NSMutableArray arrayWithCapacity: (count > 0 ? count + stats[count-1].tier : 0)];
592   
593    int prevTier = -1;
594    for (int i=0; i < count; ++i)
595    {
596        if (stats[i].tier != prevTier)
597        {
598            [trackers addObject: [NSDictionary dictionaryWithObjectsAndKeys: [NSNumber numberWithInteger: stats[i].tier], @"Tier",
599                                    [self name], @"Name", nil]];
600            prevTier = stats[i].tier;
601        }
602       
603        TrackerNode * tracker = [[TrackerNode alloc] initWithTrackerStat: &stats[i]];
604        [trackers addObject: tracker];
605        [tracker release];
606    }
607   
608    tr_torrentTrackersFree(stats, count);
609    return trackers;
610}
611
612- (NSArray *) allTrackersFlat
613{
614    NSMutableArray * allTrackers = [NSMutableArray arrayWithCapacity: fInfo->trackerCount];
615   
616    for (NSInteger i=0; i < fInfo->trackerCount; i++)
617        [allTrackers addObject: [NSString stringWithUTF8String: fInfo->trackers[i].announce]];
618   
619    return allTrackers;
620}
621
622- (BOOL) addTrackerToNewTier: (NSString *) tracker
623{
624    tracker = [tracker stringByTrimmingCharactersInSet: [NSCharacterSet whitespaceAndNewlineCharacterSet]];
625   
626    if ([tracker rangeOfString: @"://"].location == NSNotFound)
627        tracker = [@"http://" stringByAppendingString: tracker];
628   
629    //recreate the tracker structure
630    const int oldTrackerCount = fInfo->trackerCount;
631    tr_tracker_info * trackerStructs = tr_new(tr_tracker_info, oldTrackerCount+1);
632    for (NSUInteger i=0; i < oldTrackerCount; ++i)
633    {
634        trackerStructs[i] = fInfo->trackers[i];
635        trackerStructs[i].id = i;
636    }
637   
638    trackerStructs[oldTrackerCount].announce = (char *)[tracker UTF8String];
639    trackerStructs[oldTrackerCount].tier = trackerStructs[oldTrackerCount-1].tier + 1;
640    trackerStructs[oldTrackerCount].id = oldTrackerCount;
641   
642    const BOOL success = tr_torrentSetAnnounceList(fHandle, trackerStructs, oldTrackerCount+1);
643    tr_free(trackerStructs);
644   
645    return success;
646}
647
648- (void) removeTrackersWithIdentifiers: (NSIndexSet *) removeIdentifiers
649{
650    //recreate the tracker structure
651    tr_tracker_info * trackerStructs = tr_new(tr_tracker_info, fInfo->trackerCount);
652   
653    NSUInteger newCount = 0;
654    for (NSUInteger i = 0; i < fInfo->trackerCount; i++)
655    {
656        if (![removeIdentifiers containsIndex: fInfo->trackers[i].id])
657        {
658            trackerStructs[newCount] = fInfo->trackers[i];
659            trackerStructs[newCount].id = newCount++;
660        }
661    }
662   
663    const BOOL success = tr_torrentSetAnnounceList(fHandle, trackerStructs, newCount);
664    NSAssert(success, @"Removing tracker addresses failed");
665   
666    tr_free(trackerStructs);
667}
668
669- (NSString *) comment
670{
671    return fInfo->comment ? [NSString stringWithUTF8String: fInfo->comment] : @"";
672}
673
674- (NSString *) creator
675{
676    return fInfo->creator ? [NSString stringWithUTF8String: fInfo->creator] : @"";
677}
678
679- (NSDate *) dateCreated
680{
681    NSInteger date = fInfo->dateCreated;
682    return date > 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
683}
684
685- (NSInteger) pieceSize
686{
687    return fInfo->pieceSize;
688}
689
690- (NSInteger) pieceCount
691{
692    return fInfo->pieceCount;
693}
694
695- (NSString *) hashString
696{
697    return fHashString;
698}
699
700- (BOOL) privateTorrent
701{
702    return fInfo->isPrivate;
703}
704
705- (NSString *) torrentLocation
706{
707    return fInfo->torrent ? [NSString stringWithUTF8String: fInfo->torrent] : @"";
708}
709
710- (NSString *) dataLocation
711{
712    if ([self isMagnet])
713        return nil;
714   
715    if ([self isFolder])
716    {
717        NSString * dataLocation = [[self currentDirectory] stringByAppendingPathComponent: [self name]];
718       
719        if (![[NSFileManager defaultManager] fileExistsAtPath: dataLocation])
720            return nil;
721       
722        return dataLocation;
723    }
724    else
725    {
726        char * location = tr_torrentFindFile(fHandle, 0);
727        if (location == NULL)
728            return nil;
729       
730        NSString * dataLocation = [NSString stringWithUTF8String: location];
731        free(location);
732       
733        return dataLocation;
734    }
735}
736
737- (NSString *) fileLocation: (FileListNode *) node
738{
739    if ([node isFolder])
740    {
741        NSString * basePath = [[node path] stringByAppendingPathComponent: [node name]];
742        NSString * dataLocation = [[self currentDirectory] stringByAppendingPathComponent: basePath];
743       
744        if (![[NSFileManager defaultManager] fileExistsAtPath: dataLocation])
745            return nil;
746       
747        return dataLocation;
748    }
749    else
750    {
751        char * location = tr_torrentFindFile(fHandle, [[node indexes] firstIndex]);
752        if (location == NULL)
753            return nil;
754       
755        NSString * dataLocation = [NSString stringWithUTF8String: location];
756        free(location);
757       
758        return dataLocation;
759    }
760}
761
762- (CGFloat) progress
763{
764    return fStat->percentComplete;
765}
766
767- (CGFloat) progressDone
768{
769    return fStat->percentDone;
770}
771
772- (CGFloat) progressLeft
773{
774    if ([self size] == 0) //magnet links
775        return 0.0;
776   
777    return (CGFloat)[self sizeLeft] / [self size];
778}
779
780- (CGFloat) checkingProgress
781{
782    return fStat->recheckProgress;
783}
784
785- (NSInteger) eta
786{
787    return fStat->eta;
788}
789
790- (CGFloat) availableDesired
791{
792    return (CGFloat)fStat->desiredAvailable / [self sizeLeft];
793}
794
795- (BOOL) isActive
796{
797    return fStat->activity != TR_STATUS_STOPPED;
798}
799
800- (BOOL) isSeeding
801{
802    return fStat->activity == TR_STATUS_SEED;
803}
804
805- (BOOL) isChecking
806{
807    return fStat->activity == TR_STATUS_CHECK || fStat->activity == TR_STATUS_CHECK_WAIT;
808}
809
810- (BOOL) isCheckingWaiting
811{
812    return fStat->activity == TR_STATUS_CHECK_WAIT;
813}
814
815- (BOOL) allDownloaded
816{
817    return [self sizeLeft] == 0 && ![self isMagnet];
818}
819
820- (BOOL) isComplete
821{
822    return [self progress] >= 1.0;
823}
824
825- (BOOL) isError
826{
827    return fStat->error == TR_STAT_LOCAL_ERROR;
828}
829
830- (BOOL) isAnyErrorOrWarning
831{
832    return fStat->error != TR_STAT_OK;
833}
834
835- (NSString *) errorMessage
836{
837    if (![self isAnyErrorOrWarning])
838        return @"";
839   
840    NSString * error;
841    if (!(error = [NSString stringWithUTF8String: fStat->errorString])
842        && !(error = [NSString stringWithCString: fStat->errorString encoding: NSISOLatin1StringEncoding]))
843        error = [NSString stringWithFormat: @"(%@)", NSLocalizedString(@"unreadable error", "Torrent -> error string unreadable")];
844   
845    //libtransmission uses "Set Location", Mac client uses "Move data file to..." - very hacky!
846    error = [error stringByReplacingOccurrencesOfString: @"Set Location" withString: [@"Move Data File To" stringByAppendingEllipsis]];
847   
848    return error;
849}
850
851- (NSArray *) peers
852{
853    int totalPeers;
854    tr_peer_stat * peers = tr_torrentPeers(fHandle, &totalPeers);
855   
856    NSMutableArray * peerDicts = [NSMutableArray arrayWithCapacity: totalPeers];
857   
858    for (int i = 0; i < totalPeers; i++)
859    {
860        tr_peer_stat * peer = &peers[i];
861        NSMutableDictionary * dict = [NSMutableDictionary dictionaryWithCapacity: 11];
862       
863        [dict setObject: [self name] forKey: @"Name"];
864        [dict setObject: [NSNumber numberWithInt: peer->from] forKey: @"From"];
865        [dict setObject: [NSString stringWithUTF8String: peer->addr] forKey: @"IP"];
866        [dict setObject: [NSNumber numberWithInt: peer->port] forKey: @"Port"];
867        [dict setObject: [NSNumber numberWithFloat: peer->progress] forKey: @"Progress"];
868        [dict setObject: [NSNumber numberWithBool: peer->isSeed] forKey: @"Seed"];
869        [dict setObject: [NSNumber numberWithBool: peer->isEncrypted] forKey: @"Encryption"];
870        [dict setObject: [NSString stringWithUTF8String: peer->client] forKey: @"Client"];
871        [dict setObject: [NSString stringWithUTF8String: peer->flagStr] forKey: @"Flags"];
872       
873        if (peer->isUploadingTo)
874            [dict setObject: [NSNumber numberWithFloat: peer->rateToPeer] forKey: @"UL To Rate"];
875        if (peer->isDownloadingFrom)
876            [dict setObject: [NSNumber numberWithFloat: peer->rateToClient] forKey: @"DL From Rate"];
877       
878        [peerDicts addObject: dict];
879    }
880   
881    tr_torrentPeersFree(peers, totalPeers);
882   
883    return peerDicts;
884}
885
886- (NSUInteger) webSeedCount
887{
888    return fInfo->webseedCount;
889}
890
891- (NSArray *) webSeeds
892{
893    const NSInteger webSeedCount = fInfo->webseedCount;
894    NSMutableArray * webSeeds = [NSMutableArray arrayWithCapacity: webSeedCount];
895   
896    float * dlSpeeds = tr_torrentWebSpeeds(fHandle);
897   
898    for (NSInteger i = 0; i < webSeedCount; i++)
899    {
900        NSMutableDictionary * dict = [NSMutableDictionary dictionaryWithCapacity: 3];
901       
902        [dict setObject: [self name] forKey: @"Name"];
903        [dict setObject: [NSString stringWithUTF8String: fInfo->webseeds[i]] forKey: @"Address"];
904       
905        if (dlSpeeds[i] != -1.0)
906            [dict setObject: [NSNumber numberWithFloat: dlSpeeds[i]] forKey: @"DL From Rate"];
907       
908        [webSeeds addObject: dict];
909    }
910   
911    tr_free(dlSpeeds);
912   
913    return webSeeds;
914}
915
916- (NSString *) progressString
917{
918    if ([self isMagnet])
919    {
920        NSString * progressString = fStat->metadataPercentComplete > 0.0
921                    ? [NSString localizedStringWithFormat: NSLocalizedString(@"%.2f%% of torrent metadata retrieved",
922                        "Torrent -> progress string"), 100.0 * fStat->metadataPercentComplete]
923                    : NSLocalizedString(@"torrent metadata needed", "Torrent -> progress string");
924       
925        return [NSString stringWithFormat: @"%@ - %@", NSLocalizedString(@"Magnetized transfer", "Torrent -> progress string"),
926                                            progressString];
927    }
928   
929    NSString * string;
930   
931    if (![self allDownloaded])
932    {
933        CGFloat progress;
934        if ([self isFolder] && [fDefaults boolForKey: @"DisplayStatusProgressSelected"])
935        {
936            string = [NSString stringWithFormat: NSLocalizedString(@"%@ of %@ selected", "Torrent -> progress string"),
937                        [NSString stringForFileSize: [self haveTotal]], [NSString stringForFileSize: [self totalSizeSelected]]];
938            progress = 100.0 * [self progressDone];
939        }
940        else
941        {
942            string = [NSString stringWithFormat: NSLocalizedString(@"%@ of %@", "Torrent -> progress string"),
943                        [NSString stringForFileSize: [self haveTotal]], [NSString stringForFileSize: [self size]]];
944            progress = 100.0 * [self progress];
945        }
946       
947        string = [NSString localizedStringWithFormat: @"%@ (%.2f%%)", string, progress];
948    }
949    else
950    {
951        NSString * downloadString;
952        if (![self isComplete]) //only multifile possible
953        {
954            if ([fDefaults boolForKey: @"DisplayStatusProgressSelected"])
955                downloadString = [NSString stringWithFormat: NSLocalizedString(@"%@ selected", "Torrent -> progress string"),
956                                    [NSString stringForFileSize: [self haveTotal]]];
957            else
958            {
959                downloadString = [NSString stringWithFormat: NSLocalizedString(@"%@ of %@", "Torrent -> progress string"),
960                                    [NSString stringForFileSize: [self haveTotal]], [NSString stringForFileSize: [self size]]];
961               
962                downloadString = [NSString localizedStringWithFormat: @"%@ (%.2f%%)", downloadString, 100.0 * [self progress]];
963            }
964        }
965        else
966            downloadString = [NSString stringForFileSize: [self size]];
967       
968        NSString * uploadString = [NSString stringWithFormat: NSLocalizedString(@"uploaded %@ (Ratio: %@)",
969                                    "Torrent -> progress string"), [NSString stringForFileSize: [self uploadedTotal]],
970                                    [NSString stringForRatio: [self ratio]]];
971       
972        string = [downloadString stringByAppendingFormat: @", %@", uploadString];
973    }
974   
975    //add time when downloading
976    if (fStat->activity == TR_STATUS_DOWNLOAD || ([self isSeeding] && [self seedRatioSet]))
977        string = [string stringByAppendingFormat: @" - %@", [self etaString]];
978   
979    return string;
980}
981
982- (NSString *) statusString
983{
984    NSString * string;
985   
986    if ([self isAnyErrorOrWarning])
987    {
988        switch (fStat->error)
989        {
990            case TR_STAT_LOCAL_ERROR: string = NSLocalizedString(@"Error", "Torrent -> status string"); break;
991            case TR_STAT_TRACKER_ERROR: string = NSLocalizedString(@"Tracker returned an error", "Torrent -> status string"); break;
992            case TR_STAT_TRACKER_WARNING: string = NSLocalizedString(@"Tracker returned a warning", "Torrent -> status string"); break;
993            default: NSAssert(NO, @"unknown error state");
994        }
995       
996        NSString * errorString = [self errorMessage];
997        if (errorString && ![errorString isEqualToString: @""])
998            string = [string stringByAppendingFormat: @": %@", errorString];
999    }
1000    else
1001    {
1002        switch (fStat->activity)
1003        {
1004            case TR_STATUS_STOPPED:
1005                if (fWaitToStart)
1006                {
1007                    string = ![self allDownloaded]
1008                            ? [NSLocalizedString(@"Waiting to download", "Torrent -> status string") stringByAppendingEllipsis]
1009                            : [NSLocalizedString(@"Waiting to seed", "Torrent -> status string") stringByAppendingEllipsis];
1010                }
1011                else if (fFinishedSeeding)
1012                    string = NSLocalizedString(@"Seeding complete", "Torrent -> status string");
1013                else
1014                    string = NSLocalizedString(@"Paused", "Torrent -> status string");
1015                break;
1016
1017            case TR_STATUS_CHECK_WAIT:
1018                string = [NSLocalizedString(@"Waiting to check existing data", "Torrent -> status string") stringByAppendingEllipsis];
1019                break;
1020
1021            case TR_STATUS_CHECK:
1022                string = [NSString localizedStringWithFormat: @"%@ (%.2f%%)",
1023                            NSLocalizedString(@"Checking existing data", "Torrent -> status string"), 100.0 * [self checkingProgress]];
1024                break;
1025
1026            case TR_STATUS_DOWNLOAD:
1027                if ([self totalPeersConnected] != 1)
1028                    string = [NSString stringWithFormat: NSLocalizedString(@"Downloading from %d of %d peers",
1029                                                    "Torrent -> status string"), [self peersSendingToUs], [self totalPeersConnected]];
1030                else
1031                    string = [NSString stringWithFormat: NSLocalizedString(@"Downloading from %d of 1 peer",
1032                                                    "Torrent -> status string"), [self peersSendingToUs]];
1033               
1034                const NSInteger webSeedCount = fStat->webseedsSendingToUs;
1035                if (webSeedCount > 0)
1036                {
1037                    NSString * webSeedString;
1038                    if (webSeedCount == 1)
1039                        webSeedString = NSLocalizedString(@"web seed", "Torrent -> status string");
1040                    else
1041                        webSeedString = [NSString stringWithFormat: NSLocalizedString(@"%d web seeds", "Torrent -> status string"),
1042                                                                    webSeedCount];
1043                   
1044                    string = [string stringByAppendingFormat: @" + %@", webSeedString];
1045                }
1046               
1047                break;
1048
1049            case TR_STATUS_SEED:
1050                if ([self totalPeersConnected] != 1)
1051                    string = [NSString stringWithFormat: NSLocalizedString(@"Seeding to %d of %d peers", "Torrent -> status string"),
1052                                                    [self peersGettingFromUs], [self totalPeersConnected]];
1053                else
1054                    string = [NSString stringWithFormat: NSLocalizedString(@"Seeding to %d of 1 peer", "Torrent -> status string"),
1055                                                    [self peersGettingFromUs]];
1056        }
1057       
1058        if (fStalled)
1059            string = [NSLocalizedString(@"Stalled", "Torrent -> status string") stringByAppendingFormat: @", %@", string];
1060    }
1061   
1062    //append even if error
1063    if ([self isActive] && ![self isChecking])
1064    {
1065        if (fStat->activity == TR_STATUS_DOWNLOAD)
1066            string = [string stringByAppendingFormat: @" - %@: %@, %@: %@",
1067                        NSLocalizedString(@"DL", "Torrent -> status string"), [NSString stringForSpeed: [self downloadRate]],
1068                        NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1069        else
1070            string = [string stringByAppendingFormat: @" - %@: %@",
1071                        NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1072    }
1073   
1074    return string;
1075}
1076
1077- (NSString *) shortStatusString
1078{
1079    NSString * string;
1080   
1081    switch (fStat->activity)
1082    {
1083        case TR_STATUS_STOPPED:
1084            if (fWaitToStart)
1085            {
1086                string = ![self allDownloaded]
1087                        ? [NSLocalizedString(@"Waiting to download", "Torrent -> status string") stringByAppendingEllipsis]
1088                        : [NSLocalizedString(@"Waiting to seed", "Torrent -> status string") stringByAppendingEllipsis];
1089            }
1090            else if (fFinishedSeeding)
1091                string = NSLocalizedString(@"Seeding complete", "Torrent -> status string");
1092            else
1093                string = NSLocalizedString(@"Paused", "Torrent -> status string");
1094            break;
1095
1096        case TR_STATUS_CHECK_WAIT:
1097            string = [NSLocalizedString(@"Waiting to check existing data", "Torrent -> status string") stringByAppendingEllipsis];
1098            break;
1099
1100        case TR_STATUS_CHECK:
1101            string = [NSString localizedStringWithFormat: @"%@ (%.2f%%)",
1102                        NSLocalizedString(@"Checking existing data", "Torrent -> status string"), 100.0 * [self checkingProgress]];
1103            break;
1104       
1105        case TR_STATUS_DOWNLOAD:
1106            string = [NSString stringWithFormat: @"%@: %@, %@: %@",
1107                            NSLocalizedString(@"DL", "Torrent -> status string"), [NSString stringForSpeed: [self downloadRate]],
1108                            NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1109            break;
1110       
1111        case TR_STATUS_SEED:
1112            string = [NSString stringWithFormat: @"%@: %@, %@: %@",
1113                            NSLocalizedString(@"Ratio", "Torrent -> status string"), [NSString stringForRatio: [self ratio]],
1114                            NSLocalizedString(@"UL", "Torrent -> status string"), [NSString stringForSpeed: [self uploadRate]]];
1115    }
1116   
1117    return string;
1118}
1119
1120- (NSString *) remainingTimeString
1121{
1122    if (fStat->activity == TR_STATUS_DOWNLOAD || ([self isSeeding] && [self seedRatioSet]))
1123        return [self etaString];
1124    else
1125        return [self shortStatusString];
1126}
1127
1128- (NSString *) stateString
1129{
1130    switch (fStat->activity)
1131    {
1132        case TR_STATUS_STOPPED:
1133            return NSLocalizedString(@"Paused", "Torrent -> status string");
1134
1135        case TR_STATUS_CHECK:
1136            return [NSString localizedStringWithFormat: @"%@ (%.2f%%)",
1137                    NSLocalizedString(@"Checking existing data", "Torrent -> status string"), 100.0 * [self checkingProgress]];
1138       
1139        case TR_STATUS_CHECK_WAIT:
1140            return [NSLocalizedString(@"Waiting to check existing data", "Torrent -> status string") stringByAppendingEllipsis];
1141
1142        case TR_STATUS_DOWNLOAD:
1143            return NSLocalizedString(@"Downloading", "Torrent -> status string");
1144
1145        case TR_STATUS_SEED:
1146            return NSLocalizedString(@"Seeding", "Torrent -> status string");
1147    }
1148}
1149
1150- (NSInteger) totalPeersConnected
1151{
1152    return fStat->peersConnected;
1153}
1154
1155- (NSInteger) totalPeersTracker
1156{
1157    return fStat->peersFrom[TR_PEER_FROM_TRACKER];
1158}
1159
1160- (NSInteger) totalPeersIncoming
1161{
1162    return fStat->peersFrom[TR_PEER_FROM_INCOMING];
1163}
1164
1165- (NSInteger) totalPeersCache
1166{
1167    return fStat->peersFrom[TR_PEER_FROM_RESUME];
1168}
1169
1170- (NSInteger) totalPeersPex
1171{
1172    return fStat->peersFrom[TR_PEER_FROM_PEX];
1173}
1174
1175- (NSInteger) totalPeersDHT
1176{
1177    return fStat->peersFrom[TR_PEER_FROM_DHT];
1178}
1179
1180- (NSInteger) totalPeersLTEP
1181{
1182    return fStat->peersFrom[TR_PEER_FROM_LTEP];
1183}
1184
1185- (NSInteger) totalPeersKnown
1186{
1187    return fStat->peersKnown;
1188}
1189
1190- (NSInteger) peersSendingToUs
1191{
1192    return fStat->peersSendingToUs;
1193}
1194
1195- (NSInteger) peersGettingFromUs
1196{
1197    return fStat->peersGettingFromUs;
1198}
1199
1200- (CGFloat) downloadRate
1201{
1202    return fStat->pieceDownloadSpeed;
1203}
1204
1205- (CGFloat) uploadRate
1206{
1207    return fStat->pieceUploadSpeed;
1208}
1209
1210- (CGFloat) totalRate
1211{
1212    return [self downloadRate] + [self uploadRate];
1213}
1214
1215- (uint64_t) haveVerified
1216{
1217    return fStat->haveValid;
1218}
1219
1220- (uint64_t) haveTotal
1221{
1222    return [self haveVerified] + fStat->haveUnchecked;
1223}
1224
1225- (uint64_t) totalSizeSelected
1226{
1227    return fStat->sizeWhenDone;
1228}
1229
1230- (uint64_t) downloadedTotal
1231{
1232    return fStat->downloadedEver;
1233}
1234
1235- (uint64_t) uploadedTotal
1236{
1237    return fStat->uploadedEver;
1238}
1239
1240- (uint64_t) failedHash
1241{
1242    return fStat->corruptEver;
1243}
1244
1245- (NSInteger) groupValue
1246{
1247    return fGroupValue;
1248}
1249
1250- (void) setGroupValue: (NSInteger) goupValue
1251{
1252    fGroupValue = goupValue;
1253}
1254
1255- (NSInteger) groupOrderValue
1256{
1257    return [[GroupsController groups] rowValueForIndex: fGroupValue];
1258}
1259
1260- (void) checkGroupValueForRemoval: (NSNotification *) notification
1261{
1262    if (fGroupValue != -1 && [[[notification userInfo] objectForKey: @"Index"] integerValue] == fGroupValue)
1263        fGroupValue = -1;
1264}
1265
1266- (NSArray *) fileList
1267{
1268    return fFileList;
1269}
1270
1271- (NSArray *) flatFileList
1272{
1273    return fFlatFileList;
1274}
1275
1276- (NSInteger) fileCount
1277{
1278    return fInfo->fileCount;
1279}
1280
1281- (void) updateFileStat
1282{
1283    if (fFileStat)
1284        tr_torrentFilesFree(fFileStat, [self fileCount]);
1285   
1286    fFileStat = tr_torrentFiles(fHandle, NULL);
1287}
1288
1289- (CGFloat) fileProgress: (FileListNode *) node
1290{
1291    if ([self fileCount] == 1 || [self isComplete])
1292        return [self progress];
1293   
1294    if (!fFileStat)
1295        [self updateFileStat];
1296   
1297    NSIndexSet * indexSet = [node indexes];
1298   
1299    if ([indexSet count] == 1)
1300        return fFileStat[[indexSet firstIndex]].progress;
1301   
1302    uint64_t have = 0;
1303    for (NSInteger index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1304        have += fFileStat[index].bytesCompleted;
1305   
1306    NSAssert([node size], @"directory in torrent file has size 0");
1307    return (CGFloat)have / [node size];
1308}
1309
1310- (BOOL) canChangeDownloadCheckForFile: (NSUInteger) index
1311{
1312    NSAssert2(index < [self fileCount], @"Index %d is greater than file count %d", index, [self fileCount]);
1313   
1314    if ([self fileCount] == 1 || [self isComplete])
1315        return NO;
1316   
1317    if (!fFileStat)
1318        [self updateFileStat];
1319   
1320    return fFileStat[index].progress < 1.0;
1321}
1322
1323- (BOOL) canChangeDownloadCheckForFiles: (NSIndexSet *) indexSet
1324{
1325    if ([self fileCount] == 1 || [self isComplete])
1326        return NO;
1327   
1328    if (!fFileStat)
1329        [self updateFileStat];
1330   
1331    for (NSUInteger index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1332        if (fFileStat[index].progress < 1.0)
1333            return YES;
1334    return NO;
1335}
1336
1337- (NSInteger) checkForFiles: (NSIndexSet *) indexSet
1338{
1339    NSAssert(indexSet != nil, @"indexSet must not be nil");
1340   
1341    BOOL onState = NO, offState = NO;
1342    for (NSUInteger index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1343    {
1344        if (tr_torrentGetFileDL(fHandle, index) || ![self canChangeDownloadCheckForFile: index])
1345            onState = YES;
1346        else
1347            offState = YES;
1348       
1349        if (onState && offState)
1350            return NSMixedState;
1351    }
1352    return onState ? NSOnState : NSOffState;
1353}
1354
1355- (void) setFileCheckState: (NSInteger) state forIndexes: (NSIndexSet *) indexSet
1356{
1357    NSUInteger count = [indexSet count];
1358    tr_file_index_t * files = malloc(count * sizeof(tr_file_index_t));
1359    for (NSUInteger index = [indexSet firstIndex], i = 0; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index], i++)
1360        files[i] = index;
1361   
1362    tr_torrentSetFileDLs(fHandle, files, count, state != NSOffState);
1363    free(files);
1364   
1365    [self update];
1366    [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentFileCheckChange" object: self];
1367}
1368
1369- (void) setFilePriority: (tr_priority_t) priority forIndexes: (NSIndexSet *) indexSet
1370{
1371    const NSUInteger count = [indexSet count];
1372    tr_file_index_t * files = tr_malloc(count * sizeof(tr_file_index_t));
1373    for (NSUInteger index = [indexSet firstIndex], i = 0; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index], i++)
1374        files[i] = index;
1375   
1376    tr_torrentSetFilePriorities(fHandle, files, count, priority);
1377    tr_free(files);
1378}
1379
1380- (BOOL) hasFilePriority: (tr_priority_t) priority forIndexes: (NSIndexSet *) indexSet
1381{
1382    for (NSUInteger index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1383        if (priority == tr_torrentGetFilePriority(fHandle, index) && [self canChangeDownloadCheckForFile: index])
1384            return YES;
1385    return NO;
1386}
1387
1388- (NSSet *) filePrioritiesForIndexes: (NSIndexSet *) indexSet
1389{
1390    BOOL low = NO, normal = NO, high = NO;
1391    NSMutableSet * priorities = [NSMutableSet setWithCapacity: MIN([indexSet count], 3)];
1392   
1393    for (NSUInteger index = [indexSet firstIndex]; index != NSNotFound; index = [indexSet indexGreaterThanIndex: index])
1394    {
1395        if (![self canChangeDownloadCheckForFile: index])
1396            continue;
1397       
1398        const tr_priority_t priority = tr_torrentGetFilePriority(fHandle, index);
1399        if (priority == TR_PRI_LOW)
1400        {
1401            if (low)
1402                continue;
1403            low = YES;
1404        }
1405        else if (priority == TR_PRI_HIGH)
1406        {
1407            if (high)
1408                continue;
1409            high = YES;
1410        }
1411        else
1412        {
1413            if (normal)
1414                continue;
1415            normal = YES;
1416        }
1417       
1418        [priorities addObject: [NSNumber numberWithInteger: priority]];
1419        if (low && normal && high)
1420            break;
1421    }
1422    return priorities;
1423}
1424
1425- (NSDate *) dateAdded
1426{
1427    const time_t date = fStat->addedDate;
1428    return [NSDate dateWithTimeIntervalSince1970: date];
1429}
1430
1431- (NSDate *) dateCompleted
1432{
1433    const time_t date = fStat->doneDate;
1434    return date != 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
1435}
1436
1437- (NSDate *) dateActivity
1438{
1439    const time_t date = fStat->activityDate;
1440    return date != 0 ? [NSDate dateWithTimeIntervalSince1970: date] : nil;
1441}
1442
1443- (NSDate *) dateActivityOrAdd
1444{
1445    NSDate * date = [self dateActivity];
1446    return date ? date : [self dateAdded];
1447}
1448
1449- (NSInteger) stalledMinutes
1450{
1451    const time_t start = fStat->startDate;
1452    if (start == 0)
1453        return -1;
1454   
1455    NSDate * started = [NSDate dateWithTimeIntervalSince1970: start],
1456            * activity = [self dateActivity];
1457   
1458    NSDate * laterDate = activity ? [started laterDate: activity] : started;
1459   
1460    return ABS([laterDate timeIntervalSinceNow]) / 60;
1461}
1462
1463- (BOOL) isStalled
1464{
1465    return fStalled;
1466}
1467
1468- (void) updateTimeMachineExclude
1469{
1470    NSString * currentLocation = ![self allDownloaded] ? [self dataLocation] : nil;
1471   
1472    //return if the locations are the same
1473    if (fTimeMachineExclude && currentLocation && [fTimeMachineExclude isEqualToString: currentLocation])
1474        return;
1475   
1476    //remove old location...
1477    if (fTimeMachineExclude)
1478    {
1479        [self setTimeMachineExclude: NO forPath: fTimeMachineExclude];
1480        [fTimeMachineExclude release];
1481        fTimeMachineExclude = nil;
1482    }
1483   
1484    //...set new location
1485    if (currentLocation)
1486    {
1487        [self setTimeMachineExclude: YES forPath: currentLocation];
1488        fTimeMachineExclude = [currentLocation retain];
1489    }
1490}
1491
1492- (NSInteger) stateSortKey
1493{
1494    if (![self isActive]) //paused
1495    {
1496        if (fWaitToStart)
1497            return 1;
1498        else
1499            return 0;
1500    }
1501    else if ([self isSeeding]) //seeding
1502        return 10;
1503    else //downloading
1504        return 20;
1505}
1506
1507- (NSString *) trackerSortKey
1508{
1509    int count;
1510    tr_tracker_stat * stats = tr_torrentTrackers(fHandle, &count);
1511   
1512    NSString * best = nil;
1513   
1514    for (int i=0; i < count; ++i)
1515    {
1516        NSString * tracker = [NSString stringWithUTF8String: stats[i].host];
1517        if (!best || [tracker localizedCaseInsensitiveCompare: best] == NSOrderedAscending)
1518            best = tracker;
1519    }
1520   
1521    tr_torrentTrackersFree(stats, count);
1522    return best;
1523}
1524
1525- (tr_torrent *) torrentStruct
1526{
1527    return fHandle;
1528}
1529
1530- (NSURL *) previewItemURL
1531{
1532    NSString * location = [self dataLocation];
1533    return location ? [NSURL fileURLWithPath: location] : nil;
1534}
1535
1536@end
1537
1538@implementation Torrent (Private)
1539
1540- (id) initWithPath: (NSString *) path hash: (NSString *) hashString torrentStruct: (tr_torrent *) torrentStruct
1541        magnetAddress: (NSString *) magnetAddress lib: (tr_session *) lib
1542        waitToStart: (NSNumber *) waitToStart
1543        groupValue: (NSNumber *) groupValue
1544        downloadFolder: (NSString *) downloadFolder legacyIncompleteFolder: (NSString *) incompleteFolder
1545{
1546    if (!(self = [super init]))
1547        return nil;
1548   
1549    fDefaults = [NSUserDefaults standardUserDefaults];
1550   
1551    if (torrentStruct)
1552        fHandle = torrentStruct;
1553    else
1554    {
1555        //set libtransmission settings for initialization
1556        tr_ctor * ctor = tr_ctorNew(lib);
1557       
1558        tr_ctorSetPaused(ctor, TR_FORCE, YES);
1559        if (downloadFolder)
1560            tr_ctorSetDownloadDir(ctor, TR_FORCE, [downloadFolder UTF8String]);
1561        if (incompleteFolder)
1562            tr_ctorSetIncompleteDir(ctor, [incompleteFolder UTF8String]);
1563       
1564        tr_parse_result result = TR_PARSE_ERR;
1565        if (path)
1566            result = tr_ctorSetMetainfoFromFile(ctor, [path UTF8String]);
1567       
1568        if (result != TR_PARSE_OK && magnetAddress)
1569            result = tr_ctorSetMetainfoFromMagnetLink(ctor, [magnetAddress UTF8String]);
1570       
1571        //backup - shouldn't be needed after upgrade to 1.70
1572        if (result != TR_PARSE_OK && hashString)
1573            result = tr_ctorSetMetainfoFromHash(ctor, [hashString UTF8String]);
1574       
1575        if (result == TR_PARSE_OK)
1576            fHandle = tr_torrentNew(ctor, NULL);
1577       
1578        tr_ctorFree(ctor);
1579       
1580        if (!fHandle)
1581        {
1582            [self release];
1583            return nil;
1584        }
1585    }
1586
1587    fInfo = tr_torrentInfo(fHandle);
1588   
1589    tr_torrentSetCompletenessCallback(fHandle, completenessChangeCallback, self);
1590    tr_torrentSetRatioLimitHitCallback(fHandle, ratioLimitHitCallback, self);
1591    tr_torrentSetMetadataCallback(fHandle, metadataCallback, self);
1592   
1593    fHashString = [[NSString alloc] initWithUTF8String: fInfo->hashString];
1594       
1595    fFinishedSeeding = NO;
1596   
1597    fWaitToStart = waitToStart && [waitToStart boolValue];
1598    fResumeOnWake = NO;
1599   
1600    //don't do after this point - it messes with auto-group functionality
1601    if (![self isMagnet])
1602        [self createFileList];
1603       
1604    fGroupValue = groupValue ? [groupValue intValue] : [[GroupsController groups] groupIndexForTorrent: self];
1605   
1606    [[NSNotificationCenter defaultCenter] addObserver: self selector: @selector(checkGroupValueForRemoval:)
1607        name: @"GroupValueRemoved" object: nil];
1608   
1609    fTimeMachineExclude = nil;
1610    [self update];
1611   
1612    return self;
1613}
1614
1615- (void) createFileList
1616{
1617    NSAssert(![self isMagnet], @"Cannot create a file list until the torrent is demagnetized");
1618   
1619    if ([self isFolder])
1620    {
1621        NSInteger count = [self fileCount];
1622        NSMutableArray * fileList = [NSMutableArray arrayWithCapacity: count],
1623                    * flatFileList = [NSMutableArray arrayWithCapacity: count];
1624       
1625        for (NSInteger i = 0; i < count; i++)
1626        {
1627            tr_file * file = &fInfo->files[i];
1628           
1629            NSString * fullPath = [NSString stringWithUTF8String: file->name];
1630            NSArray * pathComponents = [fullPath pathComponents];
1631            NSAssert1([pathComponents count] >= 2, @"Not enough components in path %@", fullPath);
1632           
1633            NSString * path = [pathComponents objectAtIndex: 0];
1634            NSString * name = [pathComponents objectAtIndex: 1];
1635           
1636            if ([pathComponents count] > 2)
1637            {
1638                //determine if folder node already exists
1639                FileListNode * node;
1640                for (node in fileList)
1641                    if ([[node name] isEqualToString: name] && [node isFolder])
1642                        break;
1643               
1644                if (!node)
1645                {
1646                    node = [[FileListNode alloc] initWithFolderName: name path: path];
1647                    [fileList addObject: node];
1648                    [node release];
1649                }
1650               
1651                NSMutableArray * trimmedComponents = [NSMutableArray arrayWithArray: [pathComponents subarrayWithRange:
1652                                                        NSMakeRange(2, [pathComponents count]-2)]];
1653               
1654                [node insertIndex: i withSize: file->length];
1655                [self insertPath: trimmedComponents forParent: node fileSize: file->length index: i flatList: flatFileList];
1656            }
1657            else
1658            {
1659                FileListNode * node = [[FileListNode alloc] initWithFileName: name path: path size: file->length index: i];
1660                [fileList addObject: node];
1661                [flatFileList addObject: node];
1662                [node release];
1663            }
1664        }
1665       
1666        fFileList = [[NSArray alloc] initWithArray: fileList];
1667        fFlatFileList = [[NSArray alloc] initWithArray: flatFileList];
1668    }
1669    else
1670    {
1671        FileListNode * node = [[FileListNode alloc] initWithFileName: [self name] path: @"" size: [self size] index: 0];
1672        fFileList = [[NSArray arrayWithObject: node] retain];
1673        fFlatFileList = [fFileList retain];
1674        [node release];
1675    }
1676}
1677
1678- (void) insertPath: (NSMutableArray *) components forParent: (FileListNode *) parent fileSize: (uint64_t) size
1679    index: (NSInteger) index flatList: (NSMutableArray *) flatFileList
1680{
1681    NSString * name = [components objectAtIndex: 0];
1682    const BOOL isFolder = [components count] > 1;
1683   
1684    FileListNode * node = nil;
1685    if (isFolder)
1686    {
1687        for (node in [parent children])
1688            if ([[node name] isEqualToString: name] && [node isFolder])
1689                break;
1690    }
1691   
1692    //create new folder or file if it doesn't already exist
1693    if (!node)
1694    {
1695        NSString * path = [[parent path] stringByAppendingPathComponent: [parent name]];
1696        if (isFolder)
1697            node = [[FileListNode alloc] initWithFolderName: name path: path];
1698        else
1699        {
1700            node = [[FileListNode alloc] initWithFileName: name path: path size: size index: index];
1701            [flatFileList addObject: node];
1702        }
1703       
1704        [parent insertChild: node];
1705        [node release];
1706    }
1707   
1708    if (isFolder)
1709    {
1710        [node insertIndex: index withSize: size];
1711       
1712        [components removeObjectAtIndex: 0];
1713        [self insertPath: components forParent: node fileSize: size index: index flatList: flatFileList];
1714    }
1715}
1716
1717//status has been retained
1718- (void) completenessChange: (NSNumber *) status
1719{
1720    fStat = tr_torrentStat(fHandle); //don't call update yet to avoid auto-stop
1721   
1722    switch ([status intValue])
1723    {
1724        case TR_SEED:
1725        case TR_PARTIAL_SEED:
1726            [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentFinishedDownloading" object: self];
1727            break;
1728       
1729        case TR_LEECH:
1730            [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentRestartedDownloading" object: self];
1731            break;
1732    }
1733    [status release];
1734   
1735    [self update];
1736    [self updateTimeMachineExclude];
1737}
1738
1739- (void) ratioLimitHit
1740{
1741    fStat = tr_torrentStat(fHandle);
1742   
1743    [[NSNotificationCenter defaultCenter] postNotificationName: @"TorrentStoppedForRatio" object: self];
1744   
1745    fFinishedSeeding = YES;
1746}
1747
1748- (void) metadataRetrieved
1749{
1750    fStat = tr_torrentStat(fHandle);
1751   
1752    [self createFileList];
1753   
1754    [[NSNotificationCenter defaultCenter] postNotificationName: @"ResetInspector" object: self];
1755}
1756
1757- (NSString *) etaString
1758{
1759    const NSInteger eta = [self eta];
1760    switch (eta)
1761    {
1762        case TR_ETA_NOT_AVAIL:
1763        case TR_ETA_UNKNOWN:
1764            return NSLocalizedString(@"remaining time unknown", "Torrent -> eta string");
1765        default:
1766            return [NSString stringWithFormat: NSLocalizedString(@"%@ remaining", "Torrent -> eta string"),
1767                        [NSString timeString: eta showSeconds: YES maxFields: 2]];
1768    }
1769}
1770
1771- (void) setTimeMachineExclude: (BOOL) exclude forPath: (NSString *) path
1772{
1773    CSBackupSetItemExcluded((CFURLRef)[NSURL fileURLWithPath: path], exclude, true);
1774}
1775
1776@end
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