mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-09-12 12:00:45 +02:00
73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package mongodb
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/chrislusf/seaweedfs/weed/filer"
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
"go.mongodb.org/mongo-driver/bson"
|
|
"go.mongodb.org/mongo-driver/mongo"
|
|
)
|
|
|
|
func (store *MongodbStore) KvPut(ctx context.Context, key []byte, value []byte) (err error) {
|
|
|
|
dir, name := genDirAndName(key)
|
|
|
|
c := store.connect.Database(store.database).Collection(store.collectionName)
|
|
|
|
_, err = c.InsertOne(ctx, Model{
|
|
Directory: dir,
|
|
Name: name,
|
|
Meta: value,
|
|
})
|
|
|
|
if err != nil {
|
|
return fmt.Errorf("kv put: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (store *MongodbStore) KvGet(ctx context.Context, key []byte) (value []byte, err error) {
|
|
dir, name := genDirAndName(key)
|
|
|
|
var data Model
|
|
|
|
var where = bson.M{"directory": dir, "name": name}
|
|
err = store.connect.Database(store.database).Collection(store.collectionName).FindOne(ctx, where).Decode(&data)
|
|
if err != mongo.ErrNoDocuments && err != nil {
|
|
glog.Errorf("kv get: %v", err)
|
|
return nil, filer.ErrKvNotFound
|
|
}
|
|
|
|
if len(data.Meta) == 0 {
|
|
return nil, filer.ErrKvNotFound
|
|
}
|
|
|
|
return data.Meta, nil
|
|
}
|
|
|
|
func (store *MongodbStore) KvDelete(ctx context.Context, key []byte) (err error) {
|
|
|
|
dir, name := genDirAndName(key)
|
|
|
|
where := bson.M{"directory": dir, "name": name}
|
|
_, err = store.connect.Database(store.database).Collection(store.collectionName).DeleteOne(ctx, where)
|
|
if err != nil {
|
|
return fmt.Errorf("kv delete: %v", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func genDirAndName(key []byte) (dir string, name string) {
|
|
for len(key) < 8 {
|
|
key = append(key, 0)
|
|
}
|
|
|
|
dir = string(key[:8])
|
|
name = string(key[8:])
|
|
|
|
return
|
|
}
|