public CleanupManager(ILoggerProvider lp, CustomDiskCache cache, CleanupStrategy cs) { this.cache = cache; this.cs = cs; this.lp = lp; queue = new CleanupQueue(); //Called each request cache.CacheResultReturned += delegate(CustomDiskCache sender, CacheResult r) { if (r.Result == CacheQueryResult.Miss) { this.AddedFile(r.RelativePath); //It was either updated or added. } else { this.BeLazy(); } }; //Called when the filesystem changes unexpectedly. cache.Index.FileDisappeared += delegate(string relativePath, string physicalPath) { if (lp.Logger != null) { lp.Logger.Warn("File disappeared from the cache unexpectedly - reindexing entire cache. File name: {0}", relativePath); } //Stop everything ASAP and start a brand new cleaning run. queue.ReplaceWith(new CleanupWorkItem(CleanupWorkItem.Kind.CleanFolderRecursive, "", cache.PhysicalCachePath)); worker.MayHaveWork(); }; worker = new CleanupWorker(lp, cs, queue, cache); }
/// <summary> /// Creates and starts a thread that consumes the queue, pausing until notified when 'queue' empties. /// </summary> /// <param name="cs"></param> /// <param name="queue"></param> /// <param name="cache"></param> public CleanupWorker(ILoggerProvider lp, CleanupStrategy cs, CleanupQueue queue, CustomDiskCache cache) : base("DiskCache-CleanupWorker") { this.cs = cs; this.queue = queue; this.cache = cache; this.lp = lp; t = new Thread(main); t.IsBackground = true; t.Start(); }