147 lines
2.8 KiB
Go
147 lines
2.8 KiB
Go
package service
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"reflect"
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cda "git.loafle.net/commons/di-go/annotation"
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cdr "git.loafle.net/commons/di-go/registry"
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ocmsc "git.loafle.net/overflow/commons-go/model/sensorconfig"
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"git.loafle.net/overflow/probe/config"
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// For annotation
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_ "git.loafle.net/overflow/commons-go/core/annotation"
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)
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var SensorConfigServiceType = reflect.TypeOf((*SensorConfigService)(nil))
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func init() {
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cdr.RegisterType(SensorConfigServiceType)
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}
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type SensorConfigService struct {
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cda.TypeAnnotation `annotation:"@overflow:RPCService()"`
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sensorConfigs map[string]*ocmsc.SensorConfig
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}
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func (s *SensorConfigService) InitService() error {
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s.sensorConfigs = make(map[string]*ocmsc.SensorConfig)
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return nil
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}
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func (s *SensorConfigService) StartService() error {
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if err := s.loadConfigAll(); nil != err {
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return err
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}
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return nil
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}
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func (s *SensorConfigService) StopService() {
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}
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func (s *SensorConfigService) DestroyService() {
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}
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func (s *SensorConfigService) AddConfig(tempFilePath string) error {
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sc, buf, err := s.loadConfigFile(tempFilePath)
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if nil != err {
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return err
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}
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targetPath := config.SensorConfigFilePath(sc)
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ioutil.WriteFile(targetPath, buf, 0644)
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// tempfile remove
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err = os.Remove(tempFilePath)
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if nil != err {
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return err
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}
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s.sensorConfigs[sc.ID.String()] = sc
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return nil
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}
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func (s *SensorConfigService) RemoveConfig(sensorConfigID string) error {
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sc, ok := s.sensorConfigs[sensorConfigID]
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if !ok {
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return fmt.Errorf("SensorConfig[%s] is not exist", sensorConfigID)
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}
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targetPath := config.SensorConfigFilePath(sc)
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err := os.Remove(targetPath)
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if nil != err {
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return err
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}
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delete(s.sensorConfigs, sensorConfigID)
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return nil
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}
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func (s *SensorConfigService) loadConfigAll() error {
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configDirPath := config.ConfigDir()
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files, err := ioutil.ReadDir(configDirPath)
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if nil != err {
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return err
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}
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for _, file := range files {
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if file.IsDir() == true {
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if err := s.loadConfigDir(path.Join(configDirPath, file.Name())); nil != err {
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return err
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}
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}
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}
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return nil
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}
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func (s *SensorConfigService) loadConfigDir(dirPath string) error {
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files, err := ioutil.ReadDir(dirPath)
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if nil != err {
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return err
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}
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for _, file := range files {
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filePath := path.Join(dirPath, file.Name())
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if file.IsDir() == true {
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if err := s.loadConfigDir(filePath); nil != err {
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return err
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}
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} else {
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sc, _, err := s.loadConfigFile(filePath)
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if nil != err {
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return err
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}
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s.sensorConfigs[file.Name()] = sc
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}
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}
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return nil
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}
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func (s *SensorConfigService) loadConfigFile(filePath string) (*ocmsc.SensorConfig, []byte, error) {
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buf, err := ioutil.ReadFile(filePath)
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if nil != err {
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return nil, nil, err
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}
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var m = &ocmsc.SensorConfig{}
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if err := json.Unmarshal(buf, m); nil != err {
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return nil, nil, err
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}
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return m, buf, nil
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}
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