public async Task EnqueueApplicationMessageAsync(MqttApplicationMessage applicationMessage)
{
if (applicationMessage == null)
{
throw new ArgumentNullException(nameof(applicationMessage));
}
var result = await SubscriptionsManager.CheckSubscriptionsAsync(applicationMessage);
if (!result.IsSubscribed)
{
return;
}
var publishPacket = applicationMessage.ToPublishPacket();
publishPacket.QualityOfServiceLevel = result.QualityOfServiceLevel;
if (publishPacket.QualityOfServiceLevel > 0)
{
publishPacket.PacketIdentifier = _packetIdentifierProvider.GetNewPacketIdentifier();
}
PendingMessagesQueue.Enqueue(publishPacket);
}
