repurpose drivers from mock to no-op and memory

drivers/tracker/memory/driver.go

@@ -0,0 +1,27 @@
+// Copyright 2014 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 memory implements a Chihaya tracker storage driver within memory.
+// Stored values will not persist if the tracker is restarted.
+package memory
+
+import (
+	"github.com/chihaya/chihaya/config"
+	"github.com/chihaya/chihaya/drivers/tracker"
+	"github.com/chihaya/chihaya/models"
+)
+
+type driver struct{}
+
+func (d *driver) New(conf *config.DriverConfig) tracker.Pool {
+	return &Pool{
+		users:     make(map[string]*models.User),
+		torrents:  make(map[string]*models.Torrent),
+		whitelist: make(map[string]bool),
+	}
+}
+
+func init() {
+	tracker.Register("memory", &driver{})
+}