storj/satellite/satellitedb/database.go

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// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package satellitedb
import (
"github.com/zeebo/errs"
"storj.io/storj/internal/migrate"
"storj.io/storj/pkg/accounting"
"storj.io/storj/pkg/bwagreement"
"storj.io/storj/pkg/datarepair/irreparable"
"storj.io/storj/pkg/statdb"
"storj.io/storj/pkg/utils"
dbx "storj.io/storj/satellite/satellitedb/dbx"
"storj.io/storj/storage"
)
var (
// Error is the default satellitedb errs class
Error = errs.Class("satellitedb")
)
// DB contains access to different database tables
type DB struct {
db *dbx.DB
}
// New creates instance of database (supports: postgres, sqlite3)
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func New(databaseURL string) (*DB, error) {
driver, source, err := utils.SplitDBURL(databaseURL)
if err != nil {
return nil, err
}
db, err := dbx.Open(driver, source)
if err != nil {
return nil, Error.New("failed opening database %q, %q: %v",
driver, source, err)
}
return &DB{db: db}, nil
}
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// NewInMemory creates instance of Sqlite in memory satellite database
func NewInMemory() (*DB, error) {
return New("sqlite3://file::memory:?mode=memory&cache=shared")
}
// BandwidthAgreement is a getter for bandwidth agreement repository
func (db *DB) BandwidthAgreement() bwagreement.DB {
return &bandwidthagreement{db: db.db}
}
// // PointerDB is a getter for PointerDB repository
// func (db *DB) PointerDB() pointerdb.DB {
// return &pointerDB{db: db.db}
// }
// StatDB is a getter for StatDB repository
func (db *DB) StatDB() statdb.DB {
return &statDB{db: db.db}
}
// OverlayCache is a getter for overlay cache repository
func (db *DB) OverlayCache() storage.KeyValueStore {
return newOverlaycache(db.db)
}
// // RepairQueueDB is a getter for RepairQueueDB repository
// func (db *DB) RepairQueueDB() queue.DB {
// return &repairQueueDB{db: db.db}
// }
// Accounting returns database for tracking bandwidth agreements over time
func (db *DB) Accounting() accounting.DB {
return &accountingDB{db: db.db}
}
// Irreparable returns database for storing segments that failed repair
func (db *DB) Irreparable() irreparable.DB {
return &irreparableDB{db: db.db}
}
// CreateTables is a method for creating all tables for database
func (db *DB) CreateTables() error {
return migrate.Create("database", db.db)
}
// Close is used to close db connection
func (db *DB) Close() error {
return db.db.Close()
}