55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2013 The Chihaya Authors. All rights reserved.
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// Use of this source code is governed by the BSD 2-Clause license,
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// which can be found in the LICENSE file.
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// Package storage provides a generic interface for manipulating a
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// BitTorrent tracker's web application data.
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package storage
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import (
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"fmt"
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"github.com/pushrax/chihaya/config"
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"github.com/pushrax/chihaya/models"
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)
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var (
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drivers = make(map[string]Driver)
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)
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type Driver interface {
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New(*config.DataStore) Conn
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}
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// Register makes a database driver available by the provided name.
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// If Register is called twice with the same name or if driver is nil,
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// it panics.
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func Register(name string, driver Driver) {
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if driver == nil {
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panic("storage: Register driver is nil")
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}
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if _, dup := drivers[name]; dup {
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panic("storage: Register called twice for driver " + name)
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}
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drivers[name] = driver
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}
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// Open creates a connection specified by a storage configuration.
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func Open(conf *config.DataStore) (Conn, error) {
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driver, ok := drivers[conf.Driver]
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if !ok {
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return nil, fmt.Errorf(
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"storage: unknown driver %q (forgotten import?)",
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conf.Driver,
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)
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}
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pool := driver.New(conf)
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return pool, nil
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}
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// Conn represents a connection to the data store.
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type Conn interface {
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Close() error
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UpdateTorrents(t []models.Torrent) error
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UpdateUsers(u []models.User) error
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}
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