go_study/fabric-main/core/dispatcher/protobuf.go

34 lines
894 B
Go

/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package dispatcher
import (
"github.com/golang/protobuf/proto"
"github.com/pkg/errors"
)
// Protobuf defines the subset of protobuf lifecycle needs and allows
// for injection of mocked marshaling errors.
type Protobuf interface {
Marshal(msg proto.Message) (marshaled []byte, err error)
Unmarshal(marshaled []byte, msg proto.Message) error
}
// ProtobufImpl is the standard implementation to use for Protobuf
type ProtobufImpl struct{}
// Marshal passes through to proto.Marshal
func (p ProtobufImpl) Marshal(msg proto.Message) ([]byte, error) {
res, err := proto.Marshal(msg)
return res, errors.WithStack(err)
}
// Unmarshal passes through to proto.Unmarshal
func (p ProtobufImpl) Unmarshal(marshaled []byte, msg proto.Message) error {
return errors.WithStack(proto.Unmarshal(marshaled, msg))
}