Files
gluetun/internal/dns/state/settings.go
2021-07-24 19:49:50 +00:00

52 lines
1.2 KiB
Go

package state
import (
"context"
"reflect"
"github.com/qdm12/gluetun/internal/configuration"
"github.com/qdm12/gluetun/internal/constants"
)
type SettingsGetSetter interface {
GetSettings() (settings configuration.DNS)
SetSettings(ctx context.Context,
settings configuration.DNS) (outcome string)
}
func (s *State) GetSettings() (settings configuration.DNS) {
s.settingsMu.RLock()
defer s.settingsMu.RUnlock()
return s.settings
}
func (s *State) SetSettings(ctx context.Context, settings configuration.DNS) (
outcome string) {
s.settingsMu.Lock()
defer s.settingsMu.Unlock()
settingsUnchanged := reflect.DeepEqual(s.settings, settings)
if settingsUnchanged {
return "settings left unchanged"
}
// Check for only update period change
tempSettings := s.settings
tempSettings.UpdatePeriod = settings.UpdatePeriod
onlyUpdatePeriodChanged := reflect.DeepEqual(tempSettings, settings)
s.settings = settings
if onlyUpdatePeriodChanged {
s.updateTicker <- struct{}{}
return "update period changed"
}
// Restart
_, _ = s.statusApplier.ApplyStatus(ctx, constants.Stopped)
if settings.Enabled {
outcome, _ = s.statusApplier.ApplyStatus(ctx, constants.Running)
}
return outcome
}