You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
926 B
49 lines
926 B
package db
|
|
|
|
import (
|
|
"path"
|
|
|
|
. "github.com/tendermint/tendermint/common"
|
|
"github.com/tendermint/tendermint/config"
|
|
)
|
|
|
|
type DB interface {
|
|
Get([]byte) []byte
|
|
Set([]byte, []byte)
|
|
SetSync([]byte, []byte)
|
|
Delete([]byte)
|
|
DeleteSync([]byte)
|
|
|
|
// For debugging
|
|
Print()
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
// Database types
|
|
const DBBackendMemDB = "memdb"
|
|
const DBBackendLevelDB = "leveldb"
|
|
|
|
var dbs = NewCMap()
|
|
|
|
func GetDB(name string) DB {
|
|
db := dbs.Get(name)
|
|
if db != nil {
|
|
return db.(DB)
|
|
}
|
|
switch config.App.GetString("DB.Backend") {
|
|
case DBBackendMemDB:
|
|
db := NewMemDB()
|
|
dbs.Set(name, db)
|
|
return db
|
|
case DBBackendLevelDB:
|
|
db, err := NewLevelDB(path.Join(config.App.GetString("DB.Dir"), name+".db"))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
dbs.Set(name, db)
|
|
return db
|
|
default:
|
|
panic(Fmt("Unknown DB backend: %v", config.App.GetString("DB.Backend")))
|
|
}
|
|
}
|