/// <summary>
/// Set the message handler to be called when events are published to this topic.
/// </summary>
/// <param name="callback">Method to call when publish events are received for this topic.</param>
public void OnMessage(OnMesageHandler callback)
{
// OK to hook callback before we are connected (in fact, recommended)
_callback = callback;
_mqtt.AddSubscriptionClient(this);
if (_mqtt.IsConnected(_clientUid))
{
SubscribeToTopic();
}
}
/// <summary>
/// Set the message handler to be called when events are published to this topic.
/// </summary>
/// <param name="callback">Method to call when publish events are received for this topic.</param>
public void OnMessage(OnMesageHandler callback)
{
// OK to hook callback before we are connected (in fact, recommended)
_callback = callback;
_mqtt.AddSubscriptionClient(this);
if (_mqtt.IsConnected(_clientUid))
{
SubscribeToTopic();
}
}
/// <summary>
/// Closes this SubscriptionClient and stops receiving events.
/// </summary>
public async void Close()
{
if (_disposed)
{
return;
}
_disposed = true;
_subscribed = false;
_callback = null;
_mqtt.RemoveSubscriptionClient(this);
if (_mqtt.IsConnected(_clientUid))
{
try
{
await UnsubscribeAsync(new[] { _subscription.TopicName }, 1);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("SubscriptionClient({0}) failed to unsubscribe from topic. {1}", TopicName, ex.Message));
}
}
}
/// <summary>
/// Closes this SubscriptionClient and stops receiving events.
/// </summary>
public async void Close()
{
if (_disposed)
{
return;
}
_disposed = true;
_subscribed = false;
_callback = null;
_mqtt.RemoveSubscriptionClient(this);
if (_mqtt.IsConnected(_clientUid))
{
try
{
await UnsubscribeAsync(new[] { _subscription.TopicName }, 1);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("SubscriptionClient({0}) failed to unsubscribe from topic. {1}", TopicName, ex.Message));
}
}
}
