github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/cdc/model/capture.go (about)

     1  // Copyright 2020 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 model
    15  
    16  import (
    17  	"encoding/json"
    18  
    19  	"github.com/pingcap/errors"
    20  	cerror "github.com/pingcap/ticdc/pkg/errors"
    21  )
    22  
    23  // CaptureInfo store in etcd.
    24  type CaptureInfo struct {
    25  	ID            CaptureID `json:"id"`
    26  	AdvertiseAddr string    `json:"address"`
    27  	Version       string    `json:"version"`
    28  }
    29  
    30  // Marshal using json.Marshal.
    31  func (c *CaptureInfo) Marshal() ([]byte, error) {
    32  	data, err := json.Marshal(c)
    33  	if err != nil {
    34  		return nil, cerror.WrapError(cerror.ErrMarshalFailed, err)
    35  	}
    36  
    37  	return data, nil
    38  }
    39  
    40  // Unmarshal from binary data.
    41  func (c *CaptureInfo) Unmarshal(data []byte) error {
    42  	err := json.Unmarshal(data, c)
    43  	return errors.Annotatef(cerror.WrapError(cerror.ErrUnmarshalFailed, err),
    44  		"unmarshal data: %v", data)
    45  }