private void SaveRetain(String topic, RetainMessage retainMessage, bool isClean)
{
Retain.TryGetValue(topic, out ConcurrentQueue <RetainMessage> retainMessages);
if (!retainMessages.IsEmpty && isClean)
{
retainMessages.Clear();
}
retainMessages.Enqueue(retainMessage);
Retain.AddOrUpdate(topic, retainMessages, (key, value) => retainMessages);
}
public async Task SendRetain(string topic, MqttChannel mqttChannel)
{
Retain.TryGetValue(topic, out ConcurrentQueue <RetainMessage> retainMessages);
if (retainMessages != null && !retainMessages.IsEmpty)
{
var messages = retainMessages.GetEnumerator();
while (messages.MoveNext())
{
var retainMessage = messages.Current;
await SendMessage(mqttChannel, retainMessage.QoS, topic, retainMessage.ByteBuf);
}
;
}
}
public async Task SendRetain(string topic, MqttChannel mqttChannel)
{
Retain.TryGetValue(topic, out ConcurrentQueue <RetainMessage> retainMessages);
if (retainMessages != null && !retainMessages.IsEmpty)
{
var count = retainMessages.Count;
for (int i = 0; i < count; i++)
{
if (retainMessages.TryDequeue(out RetainMessage retainMessage))
{
await SendMessage(mqttChannel, retainMessage.QoS, topic, retainMessage.ByteBuf);
}
}
}
}