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Files
kubo/core/datastore.go
2014-10-30 04:58:25 -07:00

52 lines
1.6 KiB
Go

package core
import (
"fmt"
ds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore"
fsds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/fs"
ktds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/keytransform"
lds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/leveldb"
syncds "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-datastore/sync"
ldbopts "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/opt"
config "github.com/jbenet/go-ipfs/config"
u "github.com/jbenet/go-ipfs/util"
)
func makeDatastore(cfg config.Datastore) (ds.ThreadSafeDatastore, error) {
if len(cfg.Type) == 0 {
return nil, fmt.Errorf("config datastore.type required")
}
switch cfg.Type {
case "leveldb":
return makeLevelDBDatastore(cfg)
case "memory":
return syncds.MutexWrap(ds.NewMapDatastore()), nil
case "fs":
log.Warning("using fs.Datastore at .datastore for testing.")
d, err := fsds.NewDatastore(".datastore") // for testing!!
if err != nil {
return nil, err
}
ktd := ktds.Wrap(d, u.B58KeyConverter)
return syncds.MutexWrap(ktd), nil
}
return nil, fmt.Errorf("Unknown datastore type: %s", cfg.Type)
}
func makeLevelDBDatastore(cfg config.Datastore) (ds.ThreadSafeDatastore, error) {
if len(cfg.Path) == 0 {
return nil, fmt.Errorf("config datastore.path required for leveldb")
}
return lds.NewDatastore(cfg.Path, &lds.Options{
// TODO don't import ldbopts. Get from go-datastore.leveldb
Compression: ldbopts.NoCompression,
})
}