private async ValueTask <Stats.TrackerUrlCollection> GetOrCreateTrackerUrlCollectionAsync
(ITorrentStatisticsRepository torrentStatisticsRepository,
Dictionary <byte[], Stats.TrackerUrlCollection> trackerUrlCollectionsDict,
Shared.TorrentClient.Torrent clientTorrent)
{
var trackerUrls = clientTorrent.TrackerUrls
.Select(tu => tu.ToLower())
.OrderBy(tu => tu)
.Distinct()
.ToArray();
var hashString = string.Join(";", trackerUrls);
var hash = _hasher.ComputeHash(Encoding.UTF8.GetBytes(hashString));
_logger.LogTrace("Retrieving or creating tracker url collection for torrent with hash {0}", clientTorrent.InfoHash);
if (!trackerUrlCollectionsDict.TryGetValue(hash, out var trackerUrlCollection))
{
_logger.LogDebug("Didn't find any tracker url collection for torrent with hash {0}, creating one (urls are: {1})", clientTorrent.InfoHash, trackerUrls);
trackerUrlCollection = new Stats.TrackerUrlCollection()
{
CollectionHash = hash,
TrackerUrls = trackerUrls.Select(tu => new Stats.TrackerUrl(tu)).ToList()
};
await torrentStatisticsRepository.AddAsync(trackerUrlCollection);
trackerUrlCollectionsDict[hash] = trackerUrlCollection;
}
else
{
_logger.LogTrace("Found tracker url collection for torrent with hash {0}", clientTorrent.InfoHash);
}
return(trackerUrlCollection);
}
private static Stats.TorrentUploadDeltaSnapshot CreateTorrentUploadDeltaSnapshot(DateTime jobDateTime, Shared.TorrentClient.Torrent clientTorrent, Stats.Torrent persistedTorrent, Stats.TrackerUrlCollection trackerUrlCollection, long delta, long totalUpload)
{
return(new Stats.TorrentUploadDeltaSnapshot
{
DateTime = jobDateTime,
TorrentId = persistedTorrent.Id,
TotalUploadForThisTorrentInBytes = clientTorrent.TotalUploadInBytes,
TrackerUrlCollection = trackerUrlCollection,
TotalUploadInBytes = totalUpload,
UploadDeltaSinceLastSnapshotInBytes = delta,
});
}
private Stats.TorrentUploadDeltaSnapshot CreateUploadDeltaSnapshotForExistingTorrent(DateTime jobDateTime, Shared.TorrentClient.Torrent clientTorrent, Stats.Torrent persistedTorrent, Stats.TorrentUploadDeltaSnapshot lastUploadDeltaSnapshot, Stats.TrackerUrlCollection trackerUrlCollection)
{
var delta = clientTorrent.TotalUploadInBytes - lastUploadDeltaSnapshot.TotalUploadForThisTorrentInBytes;
if (delta == 0)
{
_logger.LogDebug("Torrent with hash {0} has a delta of 0, skipping", clientTorrent.InfoHash);
return(null);
}
if (delta < 0)
{
_logger.LogWarning("Upload delta for torrent with hash {0} is {1} which shouldn't happen, this could be a bug or mean that the torrent client db was restored. Truncating to 0", clientTorrent.InfoHash, delta);
delta = 0;
}
var totalUpload = lastUploadDeltaSnapshot.TotalUploadInBytes + delta;
return(CreateTorrentUploadDeltaSnapshot(jobDateTime, clientTorrent, persistedTorrent, trackerUrlCollection, delta, totalUpload));
}
private Stats.TorrentUploadDeltaSnapshot CreateNewUploadDeltaSnapshotForReAddedTorrent(DateTime jobDateTime, Shared.TorrentClient.Torrent clientTorrent, Stats.Torrent persistedTorrent, Stats.TorrentUploadDeltaSnapshot lastUploadDeltaSnapshot, Stats.TrackerUrlCollection trackerUrlCollection)
{
_logger.LogInformation("Torrent with hash {0} seems the be re-added", clientTorrent.InfoHash);
persistedTorrent.LatestAddedDateTime = clientTorrent.AddedDateTime;
var delta = clientTorrent.TotalUploadInBytes;
var totalUpload = lastUploadDeltaSnapshot.TotalUploadInBytes + delta;
return(CreateTorrentUploadDeltaSnapshot(jobDateTime, clientTorrent, persistedTorrent, trackerUrlCollection, delta, totalUpload));
}
private Stats.TorrentUploadDeltaSnapshot CreateUploadDeltaSnapshotForNewTorrent(DateTime jobDateTime, Shared.TorrentClient.Torrent clientTorrent,
Stats.Torrent persistedTorrent, Stats.TrackerUrlCollection trackerUrlCollection)
{
_logger.LogDebug("Creating first upload delta snapshot for torrent with hash {0}", clientTorrent.InfoHash);
return(CreateTorrentUploadDeltaSnapshot(jobDateTime, clientTorrent, persistedTorrent, trackerUrlCollection,
delta: clientTorrent.TotalUploadInBytes, totalUpload: clientTorrent.TotalUploadInBytes));
}
/// <summary>
/// Returns null if nothing relevant has changed
/// </summary>
private Stats.TorrentUploadDeltaSnapshot CreateNewUploadDeltaSnapshot(DateTime jobDateTime, Shared.TorrentClient.Torrent clientTorrent, Stats.Torrent persistedTorrent, Stats.TorrentUploadDeltaSnapshot lastUploadDeltaSnapshot, Stats.TrackerUrlCollection trackerUrlCollection)
{
_logger.LogDebug("Creating new upload delta snapshot for torrent with hash {0} and name '{1}' if there are any relevant changes", clientTorrent.InfoHash, clientTorrent.Name);
if (lastUploadDeltaSnapshot == null)
{
return(CreateUploadDeltaSnapshotForNewTorrent(jobDateTime, clientTorrent, persistedTorrent, trackerUrlCollection));
}
if (clientTorrent.AddedDateTime != persistedTorrent.LatestAddedDateTime)
{
return(CreateNewUploadDeltaSnapshotForReAddedTorrent(jobDateTime, clientTorrent, persistedTorrent, lastUploadDeltaSnapshot, trackerUrlCollection));
}
else
{
return(CreateUploadDeltaSnapshotForExistingTorrent(jobDateTime, clientTorrent, persistedTorrent, lastUploadDeltaSnapshot, trackerUrlCollection));
}
}