protected override async Task OnApplicationMessageReceived(MqttApplicationMessageReceivedEventArgs arg)
{
// 截取Topic的最后topicName使用作为消息队列的Key
var topicName = arg.ApplicationMessage.Topic;
topicName = topicName.Substring(topicName.LastIndexOf('/') + 1);
// 因为每一次推过来的都是同一个实例,所以在此进行拷贝
var message =
JsonSerializer.Deserialize <BoxMqttApplicationMessage>(
JsonSerializer.Serialize(arg.ApplicationMessage));
// 当前Client为盒子号
message.BoxNo = arg.ClientId;
message.TopicName = topicName;
// 将数据添加到消息队列,以便处理
_messageQueueManager.Enqueue(topicName, message);
await new ValueTask();
}
