private void StopTimer(TimerDetails timerDetails)
{
_timers.TryRemove(timerDetails.Name, out var timer);
if (timer != null)
{
_logger.LogInformation($"Disposing timer for {timerDetails.Name}");
timer.Dispose();
}
}
private void StartTimer(TimerDetails timerDetails)
{
// Stop existing timer
StopTimer(timerDetails);
_logger.LogInformation($"Creating timer for {timerDetails.Name}");
var delayInSeconds = timerDetails.DelaySecondsFromNow();
_logger.LogInformation($"Setting timer for {timerDetails.Name} to {delayInSeconds} seconds");
_timers[timerDetails.Name] = new Timer(TimerCallback, timerDetails, delayInSeconds * 1000, Timeout.Infinite);
}
private async Task ClearMqttTopicRetainedMessage(TimerDetails timerDetails)
{
_timersMutex.WaitOne();
try
{
var topic = $"mqtttimer/{timerDetails.Name}";
var managedMqttApplicationMessage = new ManagedMqttApplicationMessageBuilder()
.WithApplicationMessage(new MqttApplicationMessageBuilder()
.WithTopic(topic)
.WithAtLeastOnceQoS()
.WithRetainFlag()
.Build())
.Build();
await _mqttClient.PublishAsync(managedMqttApplicationMessage);
}
finally
{
_timersMutex.ReleaseMutex();
}
}