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();
}
