repurpose drivers from mock to no-op and memory

drivers/backend/noop/driver.go

@@ -0,0 +1,56 @@
+// 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 noop implements a Chihaya backend storage driver as a no-op. This is
+// useful for running Chihaya as a public tracker.
+package noop
+
+import (
+	"github.com/chihaya/chihaya/config"
+	"github.com/chihaya/chihaya/drivers/backend"
+	"github.com/chihaya/chihaya/models"
+)
+
+type driver struct{}
+
+type NoOp struct{}
+
+// New returns a new Chihaya backend driver that does nothing.
+func (d *driver) New(cfg *config.DriverConfig) (backend.Conn, error) {
+	return &NoOp{}, nil
+}
+
+// Close returns nil.
+func (n *NoOp) Close() error {
+	return nil
+}
+
+// RecordAnnounce returns nil.
+func (n *NoOp) RecordAnnounce(delta *models.AnnounceDelta) error {
+	return nil
+}
+
+// LoadTorrents returns (nil, nil).
+func (n *NoOp) LoadTorrents(ids []uint64) ([]*models.Torrent, error) {
+	return nil, nil
+}
+
+// LoadAllTorrents returns (nil, nil).
+func (n *NoOp) LoadAllTorrents() ([]*models.Torrent, error) {
+	return nil, nil
+}
+
+// LoadUsers returns (nil, nil).
+func (n *NoOp) LoadUsers(ids []uint64) ([]*models.User, error) {
+	return nil, nil
+}
+
+// LoadAllUsers returns (nil, nil).
+func (n *NoOp) LoadAllUsers(ids []uint64) ([]*models.User, error) {
+	return nil, nil
+}
+
+func init() {
+	backend.Register("noop", &driver{})
+}