74 lines
No EOL
1.4 KiB
Go
74 lines
No EOL
1.4 KiB
Go
package main
|
|
|
|
import (
|
|
"log"
|
|
"gopkg.in/fsnotify.v1"
|
|
"github.com/BurntSushi/toml"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
type FileProvider struct {
|
|
Watch bool
|
|
Filename string
|
|
}
|
|
|
|
func (provider *FileProvider) Provide(configurationChan chan<- *Configuration){
|
|
watcher, err := fsnotify.NewWatcher()
|
|
if err != nil {
|
|
log.Println(err)
|
|
return
|
|
}
|
|
defer watcher.Close()
|
|
|
|
file, err := os.Open(provider.Filename)
|
|
if err != nil {
|
|
log.Println(err)
|
|
return
|
|
}
|
|
defer file.Close()
|
|
|
|
done := make(chan bool)
|
|
// Process events
|
|
go func() {
|
|
for {
|
|
select {
|
|
case event := <-watcher.Events:
|
|
if(strings.Contains(event.Name,file.Name())){
|
|
log.Println("File event:", event)
|
|
configuration := provider.LoadFileConfig(file.Name())
|
|
if(configuration != nil) {
|
|
configurationChan <- configuration
|
|
}
|
|
}
|
|
case error := <-watcher.Errors:
|
|
log.Println("error:", error)
|
|
}
|
|
}
|
|
}()
|
|
|
|
if(provider.Watch){
|
|
err = watcher.Add(filepath.Dir(file.Name()))
|
|
}
|
|
|
|
if err != nil {
|
|
log.Println(err)
|
|
return
|
|
}
|
|
|
|
|
|
configuration := provider.LoadFileConfig(file.Name())
|
|
configurationChan <- configuration
|
|
<-done
|
|
}
|
|
|
|
|
|
func (provider *FileProvider) LoadFileConfig(filename string) *Configuration {
|
|
configuration := new(Configuration)
|
|
if _, err := toml.DecodeFile(filename, configuration); err != nil {
|
|
log.Println("Error reading file:", err)
|
|
return nil
|
|
}
|
|
return configuration
|
|
} |