github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/sleep/sleep_windows.go (about)

     1  /*
     2   * Copyright (C) 2020 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package sleep
    19  
    20  import (
    21  	winlog "github.com/mysteriumnetwork/gowinlog"
    22  	"github.com/rs/zerolog/log"
    23  )
    24  
    25  // Start starts event log notifier
    26  func (n *Notifier) Start() {
    27  	log.Debug().Msg("Register for sleep log events")
    28  	watcher, err := winlog.NewWinLogWatcher()
    29  	if err != nil {
    30  		log.Error().Msgf("Couldn't create log watcher: %v\n", err)
    31  		return
    32  	}
    33  
    34  	watcher.SubscribeFromNow("System", "*[System[Provider[@Name='Microsoft-Windows-Power-Troubleshooter'] and EventID=1]]")
    35  	for {
    36  		select {
    37  		case <-watcher.Event():
    38  			n.eventBus.Publish(AppTopicSleepNotification, EventWakeup)
    39  		case err := <-watcher.Error():
    40  			log.Error().Msgf("Log watcher error: %v\n", err)
    41  		case <-n.stop:
    42  			break
    43  		}
    44  	}
    45  	watcher.Shutdown()
    46  }
    47  
    48  // Stop stops event log notifier
    49  func (n *Notifier) Stop() {
    50  	n.stopOnce.Do(func() {
    51  		log.Debug().Msg("Unregister sleep log events watcher")
    52  		close(n.stop)
    53  	})
    54  }