示例#1
0
文件: node.go 项目: Instafig/Instafig
func updateNodeDataVersion(s *models.Session, node *models.Node, ver *models.DataVersion) (err error) {
	var _s *models.Session
	var bs []byte

	if s == nil {
		_s = models.NewSession()
		defer _s.Close()
		if err = _s.Begin(); err != nil {
			goto ERROR
		}
	} else {
		_s = s
	}

	bs, _ = json.Marshal(ver)
	node.DataVersion = ver
	node.DataVersionStr = string(bs)
	if err = models.UpdateDBModel(_s, node); err != nil {
		goto ERROR
	}

	if node.URL == conf.ClientAddr {
		if err = models.UpdateDataVersion(_s, ver); err != nil {
			goto ERROR
		}
	}

	if s != nil {
		return
	}

	if err = _s.Commit(); err != nil {
		goto ERROR
	}

	return
ERROR:
	if s == nil {
		_s.Rollback()
	}

	return
}
示例#2
0
文件: node.go 项目: Instafig/Instafig
func slaveCheckMaster() error {
	confWriteMux.Lock()
	defer confWriteMux.Unlock()

	localNode := *memConfNodes[conf.ClientAddr]
	nodeString, _ := json.Marshal(localNode)
	reqData := nodeRequestDataT{
		Auth: nodeAuthString,
		Data: string(nodeString),
	}
	data, err := nodeRequest(conf.MasterAddr, NODE_REQUEST_TYPE_CHECKMASTER, reqData)
	if err != nil {
		return err
	}

	masterVersion := &models.DataVersion{}
	if err = json.Unmarshal([]byte(data.(string)), masterVersion); err != nil {
		return fmt.Errorf("bad response data format: %s < %s >", err.Error(), data.(string))
	}

	if masterVersion.Version == memConfDataVersion.Version && masterVersion.Sign == memConfDataVersion.Sign {
		localNode.LastCheckUTC = utils.GetNowSecond()
		if err = models.UpdateDBModel(nil, &localNode); err != nil {
			return err
		}

		memConfMux.Lock()
		memConfNodes[conf.ClientAddr] = &localNode
		memConfMux.Unlock()

		return nil
	}

	reqData = nodeRequestDataT{
		Auth: nodeAuthString,
		Data: "",
	}
	// slave's data_version not equals master's data_version, slave sync all data from master
	data, err = nodeRequest(conf.MasterAddr, NODE_REQUEST_TYPE_SYNCMASTER, reqData)
	if err != nil {
		return err
	}

	resData := &syncAllDataT{}
	if err = json.Unmarshal([]byte(data.(string)), resData); err != nil {
		return fmt.Errorf("bad response data format: %s < %s >", err.Error(), data.(string))
	}

	var users []*models.User
	var apps []*models.App
	var configs []*models.Config
	var nodes []*models.Node

	bs, _ := json.Marshal(resData.DataVersion)
	localNode.DataVersion = resData.DataVersion
	localNode.DataVersionStr = string(bs)
	localNode.LastCheckUTC = utils.GetNowSecond()

	// let sqlite use new db file
	models.UpdateSqliteDBEngine()

	s := models.NewSession()
	defer s.Close()
	if err = s.Begin(); err != nil {
		s.Rollback()
		return err
	}

	if err = models.ClearModeData(s); err != nil {
		s.Rollback()
		return err
	}

	toInsertModels := make([]interface{}, 0)
	for _, node := range resData.Nodes {
		if node.URL == conf.ClientAddr {
			node.DataVersion = localNode.DataVersion
			node.DataVersionStr = localNode.DataVersionStr
			node.LastCheckUTC = localNode.LastCheckUTC
		}
		toInsertModels = append(toInsertModels, node)
		nodes = append(nodes, node)
	}
	if err := models.InsertMultiRows(s, toInsertModels); err != nil {
		s.Rollback()
		return err
	}

	toInsertModels = make([]interface{}, 0)
	for _, user := range resData.Users {
		users = append(users, user)
		toInsertModels = append(toInsertModels, user)
	}
	if err = models.InsertMultiRows(s, toInsertModels); err != nil {
		s.Rollback()
		return err
	}

	toInsertModels = make([]interface{}, 0)
	for _, app := range resData.Apps {
		toInsertModels = append(toInsertModels, app)
		apps = append(apps, app)
	}
	if err = models.InsertMultiRows(s, toInsertModels); err != nil {
		s.Rollback()
		return err
	}

	toInsertModels = make([]interface{}, len(resData.WebHooks))
	for ix, hook := range resData.WebHooks {
		toInsertModels[ix] = hook
	}
	if err = models.InsertMultiRows(s, toInsertModels); err != nil {
		s.Rollback()
		return err
	}

	toInsertModels = make([]interface{}, 0)
	for _, config := range resData.Configs {
		toInsertModels = append(toInsertModels, config)
		configs = append(configs, config)
	}
	if err = models.InsertMultiRows(s, toInsertModels); err != nil {
		s.Rollback()
		return err
	}

	toInsertModels = make([]interface{}, len(resData.ConfHistory))
	for ix, history := range resData.ConfHistory {
		toInsertModels[ix] = history
	}
	if err = models.InsertMultiRows(s, toInsertModels); err != nil {
		s.Rollback()
		return err
	}

	if err = models.UpdateDataVersion(s, resData.DataVersion); err != nil {
		s.Rollback()
		return err
	}

	if err = s.Commit(); err != nil {
		s.Rollback()
		return err
	}

	fillMemConfData(users, apps, resData.WebHooks, configs, nodes, resData.DataVersion)

	nodeString, _ = json.Marshal(&localNode)
	reqData = nodeRequestDataT{
		Auth: nodeAuthString,
		Data: string(nodeString),
	}

	nodeRequest(conf.MasterAddr, NODE_REQUEST_TYPE_CHECKMASTER, reqData)

	return nil
}