github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/pkg/p2p/serializer.go (about)

     1  // Copyright 2021 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package p2p
    15  
    16  import "encoding/json"
    17  
    18  // Serializable is an interface for defining custom serialization methods
    19  // for peer messages.
    20  type Serializable interface {
    21  	Marshal() ([]byte, error)
    22  	Unmarshal(data []byte) error
    23  }
    24  
    25  func marshalMessage(value interface{}) ([]byte, error) {
    26  	if value, ok := value.(Serializable); ok {
    27  		return value.Marshal()
    28  	}
    29  	return json.Marshal(value)
    30  }
    31  
    32  func unmarshalMessage(data []byte, value interface{}) error {
    33  	if value, ok := value.(Serializable); ok {
    34  		return value.Unmarshal(data)
    35  	}
    36  	return json.Unmarshal(data, value)
    37  }