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capture.go
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capture.go
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// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import (
"encoding/json"
"github.com/pingcap/errors"
cerror "github.com/pingcap/tiflow/pkg/errors"
)
// CaptureID is the type for capture ID
type CaptureID = string
// CaptureInfo store in etcd.
type CaptureInfo struct {
ID CaptureID `json:"id"`
AdvertiseAddr string `json:"address"`
Version string `json:"version"`
GitHash string `json:"git-hash"`
DeployPath string `json:"deploy-path"`
StartTimestamp int64 `json:"start-timestamp"`
}
// Marshal using json.Marshal.
func (c *CaptureInfo) Marshal() ([]byte, error) {
data, err := json.Marshal(c)
if err != nil {
return nil, cerror.WrapError(cerror.ErrMarshalFailed, err)
}
return data, nil
}
// Unmarshal from binary data.
func (c *CaptureInfo) Unmarshal(data []byte) error {
err := json.Unmarshal(data, c)
return errors.Annotatef(cerror.WrapError(cerror.ErrUnmarshalFailed, err),
"unmarshal data: %v", data)
}
// ListVersionsFromCaptureInfos returns the version list of the CaptureInfo list.
func ListVersionsFromCaptureInfos(captureInfos []*CaptureInfo) []string {
var captureVersions []string
for _, ci := range captureInfos {
captureVersions = append(captureVersions, ci.Version)
}
return captureVersions
}