clean the slate!

tracker/tracker.go

@@ -1,109 +0,0 @@
-// Copyright 2015 The Chihaya Authors. All rights reserved.
-// Use of this source code is governed by the BSD 2-Clause license,
-// which can be found in the LICENSE file.
-
-// Package tracker provides a generic interface for manipulating a
-// BitTorrent tracker's fast-moving data.
-package tracker
-
-import (
-	"sync"
-	"time"
-
-	"github.com/golang/glog"
-
-	"github.com/chihaya/chihaya/config"
-	"github.com/chihaya/chihaya/tracker/models"
-)
-
-// Tracker represents the logic necessary to service BitTorrent announces,
-// independently of the underlying data transports used.
-type Tracker struct {
-	Config *config.Config
-
-	jwkSet jwkSet
-
-	shuttingDown chan struct{}
-	shutdownWG   sync.WaitGroup
-
-	*Storage
-}
-
-// New creates a new Tracker, and opens any necessary connections.
-// Maintenance routines are automatically spawned in the background.
-func New(cfg *config.Config) (*Tracker, error) {
-	tkr := &Tracker{
-		Config:       cfg,
-		Storage:      NewStorage(cfg),
-		shuttingDown: make(chan struct{}),
-	}
-
-	glog.Info("Starting garbage collection goroutine")
-	tkr.shutdownWG.Add(1)
-	go tkr.purgeInactivePeers(
-		cfg.PurgeInactiveTorrents,
-		time.Duration(float64(cfg.MinAnnounce.Duration)*cfg.ReapRatio),
-		cfg.ReapInterval.Duration,
-	)
-
-	if tkr.Config.JWKSetURI != "" {
-		glog.Info("Starting JWK Set update goroutine")
-		tkr.shutdownWG.Add(1)
-		go tkr.updateJWKSetForever()
-	}
-
-	if cfg.ClientWhitelistEnabled {
-		tkr.LoadApprovedClients(cfg.ClientWhitelist)
-	}
-
-	return tkr, nil
-}
-
-// Close gracefully shutdowns a Tracker by closing any database connections.
-func (tkr *Tracker) Close() error {
-	close(tkr.shuttingDown)
-	tkr.shutdownWG.Wait()
-
-	return nil
-}
-
-// LoadApprovedClients loads a list of client IDs into the tracker's storage.
-func (tkr *Tracker) LoadApprovedClients(clients []string) {
-	for _, client := range clients {
-		tkr.PutClient(client)
-	}
-}
-
-// Writer serializes a tracker's responses, and is implemented for each
-// response transport used by the tracker. Only one of these may be called
-// per request, and only once.
-//
-// Note, data passed into any of these functions will not contain sensitive
-// information, so it may be passed back the client freely.
-type Writer interface {
-	WriteError(err error) error
-	WriteAnnounce(*models.AnnounceResponse) error
-	WriteScrape(*models.ScrapeResponse) error
-}
-
-// purgeInactivePeers periodically walks the torrent database and removes
-// peers that haven't announced recently.
-func (tkr *Tracker) purgeInactivePeers(purgeEmptyTorrents bool, threshold, interval time.Duration) {
-	defer tkr.shutdownWG.Done()
-
-	for {
-		select {
-		case <-tkr.shuttingDown:
-			return
-
-		case <-time.After(interval):
-			before := time.Now().Add(-threshold)
-			glog.V(0).Infof("Purging peers with no announces since %s", before)
-
-			err := tkr.PurgeInactivePeers(purgeEmptyTorrents, before)
-			if err != nil {
-				glog.Errorf("Error purging torrents: %s", err)
-			}
-		}
-	}
-}