probe/service/SensorConfigService.go
crusader d2d34699aa ing
2018-04-18 23:56:13 +09:00

147 lines
2.8 KiB
Go

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