raftbbolt/msgpack/msgpack.go
2020-11-14 17:52:03 +01:00

54 lines
1.1 KiB
Go

package msgpack
import (
"bytes"
"io"
"sync"
"github.com/hashicorp/go-msgpack/codec"
)
var bufPool = sync.Pool{
New: func() interface{} { return new(bytes.Buffer) },
}
var rdrPool = sync.Pool{
New: func() interface{} { return new(bytes.Reader) },
}
func NewEncoder(w io.Writer) *codec.Encoder {
return codec.NewEncoder(w, &codec.MsgpackHandle{})
}
func NewDecoder(r io.Reader) *codec.Decoder {
return codec.NewDecoder(r, &codec.MsgpackHandle{})
}
type msgPackEncoder struct{}
var MsgPack = msgPackEncoder{}
func (msgPackEncoder) Marshal(v interface{}) ([]byte, error) {
buf := bufPool.Get().(*bytes.Buffer)
buf.Reset()
if err := NewEncoder(buf).Encode(v); err != nil {
bufPool.Put(buf)
return nil, err
}
return buf.Bytes(), nil
}
func (msgPackEncoder) Unmarshal(b []byte, v interface{}) error {
rdr := rdrPool.Get().(*bytes.Reader)
rdr.Reset(b)
defer rdrPool.Put(rdr)
return NewDecoder(rdr).Decode(v)
}
func Marshal(v interface{}) ([]byte, error) {
return MsgPack.Marshal(v)
}
func Unmarshal(b []byte, v interface{}) error {
return MsgPack.Unmarshal(b, v)
}