public void StopListening()
{
try
{
if (client == null)
{
return;
}
ReceivedCountEvent -= customEvent;
IndividualCountersEvent -= individualEvent;
customEvent = null;
individualEvent = null;
client = null;
counterListenerTimer?.Cancel();
}
catch (Exception e)
{
LogMessage($"{e.Message}");
}
}
public void StartListening(ReceivedCount onReceivedCount = null, IndividualCounters onIndividualCounters = null)
{
if (client != null)
{
return;
}
client = new HttpClient {
BaseAddress = new Uri(url)
};
client.DefaultRequestHeaders
.Accept
.Add(new MediaTypeWithQualityHeaderValue("application/json"));
customEvent = onReceivedCount;
individualEvent = onIndividualCounters;
if (onReceivedCount != null)
{
ReceivedCountEvent += onReceivedCount;
}
if (onIndividualCounters != null)
{
IndividualCountersEvent += onIndividualCounters;
}
// query the counter every pulseSec
// and notify the listener
try
{
counterListenerTimer = ThreadPoolTimer.CreatePeriodicTimer(BackgoundListen, timerPeriod);
}
catch (Exception e)
{
LogMessage($"{e.Message}");
}
}
