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50 lines
943 B
50 lines
943 B
package db
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import (
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"path"
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. "github.com/tendermint/tendermint2/common"
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"github.com/tendermint/tendermint2/config"
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)
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type DB interface {
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Get([]byte) []byte
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Set([]byte, []byte)
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SetSync([]byte, []byte)
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Delete([]byte)
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DeleteSync([]byte)
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Close()
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// For debugging
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Print()
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}
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//-----------------------------------------------------------------------------
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// Database types
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const DBBackendMemDB = "memdb"
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const DBBackendLevelDB = "leveldb"
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var dbs = NewCMap()
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func GetDB(name string) DB {
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db := dbs.Get(name)
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if db != nil {
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return db.(DB)
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}
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switch config.App().GetString("DB.Backend") {
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case DBBackendMemDB:
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db := NewMemDB()
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dbs.Set(name, db)
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return db
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case DBBackendLevelDB:
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db, err := NewLevelDB(path.Join(config.App().GetString("DB.Dir"), name+".db"))
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if err != nil {
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panic(err)
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}
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dbs.Set(name, db)
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return db
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default:
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panic(Fmt("Unknown DB backend: %v", config.App().GetString("DB.Backend")))
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}
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}
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