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transmission/macosx/TrackerNode.mm

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// This file Copyright © 2009-2023 Transmission authors and contributors.
// It may be used under the MIT (SPDX: MIT) license.
// License text can be found in the licenses/ folder.
#import "TrackerNode.h"
#import "NSStringAdditions.h"
@interface TrackerNode ()
@property(nonatomic, readonly) tr_tracker_view fStat;
@end
@implementation TrackerNode
- (instancetype)initWithTrackerView:(tr_tracker_view const*)stat torrent:(Torrent*)torrent
{
if ((self = [super init]))
{
_fStat = *stat;
_torrent = torrent; //weak reference
}
return self;
}
- (NSString*)description
{
return [@"Tracker: " stringByAppendingString:self.fullAnnounceAddress];
}
- (id)copyWithZone:(NSZone*)zone
{
//this object is essentially immutable after initial setup
return self;
}
- (BOOL)isEqual:(id)object
{
if (self == object)
{
return YES;
}
if (![object isKindOfClass:[self class]])
{
return NO;
}
auto other = static_cast<decltype(self)>(object);
if (self.torrent != other.torrent)
{
return NO;
}
return self.tier == other.tier && [self.fullAnnounceAddress isEqualToString:other.fullAnnounceAddress];
}
- (NSString*)host
{
return @(self.fStat.host_and_port);
}
- (NSString*)fullAnnounceAddress
{
return @(self.fStat.announce);
}
- (NSInteger)tier
{
return self.fStat.tier;
}
- (NSUInteger)identifier
{
return self.fStat.id;
}
- (NSInteger)totalSeeders
{
return self.fStat.seederCount;
}
- (NSInteger)totalLeechers
{
return self.fStat.leecherCount;
}
- (NSInteger)totalDownloaded
{
return self.fStat.downloadCount;
}
- (NSString*)lastAnnounceStatusString
{
NSString* dateString;
if (self.fStat.hasAnnounced)
{
NSDateFormatter* dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateStyle = NSDateFormatterFullStyle;
dateFormatter.timeStyle = NSDateFormatterShortStyle;
dateFormatter.doesRelativeDateFormatting = YES;
dateString = [dateFormatter stringFromDate:[NSDate dateWithTimeIntervalSince1970:self.fStat.lastAnnounceTime]];
}
else
{
dateString = NSLocalizedString(@"N/A", "Tracker last announce");
}
NSString* baseString;
if (self.fStat.hasAnnounced && self.fStat.lastAnnounceTimedOut)
{
baseString = [NSLocalizedString(@"Announce timed out", "Tracker last announce") stringByAppendingFormat:@": %@", dateString];
}
else if (self.fStat.hasAnnounced && !self.fStat.lastAnnounceSucceeded)
{
baseString = NSLocalizedString(@"Announce error", "Tracker last announce");
NSString* errorString = @(self.fStat.lastAnnounceResult);
if ([errorString isEqualToString:@""])
{
baseString = [baseString stringByAppendingFormat:@": %@", dateString];
}
else
{
baseString = [baseString stringByAppendingFormat:@": %@ - %@", errorString, dateString];
}
}
else
{
baseString = [NSLocalizedString(@"Last Announce", "Tracker last announce") stringByAppendingFormat:@": %@", dateString];
if (self.fStat.hasAnnounced && self.fStat.lastAnnounceSucceeded && self.fStat.lastAnnouncePeerCount > 0)
{
NSString* peerString;
if (self.fStat.lastAnnouncePeerCount == 1)
{
peerString = NSLocalizedString(@"got 1 peer", "Tracker last announce");
}
else
{
peerString = [NSString localizedStringWithFormat:NSLocalizedString(@"got %lu peers", "Tracker last announce"),
(size_t)self.fStat.lastAnnouncePeerCount];
}
baseString = [baseString stringByAppendingFormat:@" (%@)", peerString];
}
}
return baseString;
}
- (NSString*)nextAnnounceStatusString
{
switch (self.fStat.announceState)
{
case TR_TRACKER_ACTIVE:
return [NSLocalizedString(@"Announce in progress", "Tracker next announce") stringByAppendingEllipsis];
case TR_TRACKER_WAITING:
{
NSTimeInterval const nextAnnounceTimeLeft = self.fStat.nextAnnounceTime - [NSDate date].timeIntervalSince1970;
static NSDateComponentsFormatter* formatter;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
formatter = [NSDateComponentsFormatter new];
formatter.unitsStyle = NSDateComponentsFormatterUnitsStyleAbbreviated;
formatter.zeroFormattingBehavior = NSDateComponentsFormatterZeroFormattingBehaviorDropLeading;
formatter.collapsesLargestUnit = YES;
});
NSString* timeString = [formatter stringFromTimeInterval:nextAnnounceTimeLeft];
return [NSString stringWithFormat:NSLocalizedString(@"Next announce in %@", "Tracker next announce"), timeString];
}
case TR_TRACKER_QUEUED:
return [NSLocalizedString(@"Announce is queued", "Tracker next announce") stringByAppendingEllipsis];
case TR_TRACKER_INACTIVE:
return self.fStat.isBackup ? NSLocalizedString(@"Tracker will be used as a backup", "Tracker next announce") :
NSLocalizedString(@"Announce not scheduled", "Tracker next announce");
default:
NSAssert1(NO, @"unknown announce state: %d", self.fStat.announceState);
return nil;
}
}
- (NSString*)lastScrapeStatusString
{
NSString* dateString;
if (self.fStat.hasScraped)
{
NSDateFormatter* dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateStyle = NSDateFormatterFullStyle;
dateFormatter.timeStyle = NSDateFormatterShortStyle;
dateFormatter.doesRelativeDateFormatting = YES;
dateString = [dateFormatter stringFromDate:[NSDate dateWithTimeIntervalSince1970:self.fStat.lastScrapeTime]];
}
else
{
dateString = NSLocalizedString(@"N/A", "Tracker last scrape");
}
NSString* baseString;
if (self.fStat.hasScraped && self.fStat.lastScrapeTimedOut)
{
baseString = [NSLocalizedString(@"Scrape timed out", "Tracker last scrape") stringByAppendingFormat:@": %@", dateString];
}
else if (self.fStat.hasScraped && !self.fStat.lastScrapeSucceeded)
{
baseString = NSLocalizedString(@"Scrape error", "Tracker last scrape");
NSString* errorString = @(self.fStat.lastScrapeResult);
if ([errorString isEqualToString:@""])
{
baseString = [baseString stringByAppendingFormat:@": %@", dateString];
}
else
{
baseString = [baseString stringByAppendingFormat:@": %@ - %@", errorString, dateString];
}
}
else
{
baseString = [NSLocalizedString(@"Last Scrape", "Tracker last scrape") stringByAppendingFormat:@": %@", dateString];
}
return baseString;
}
@end