// MQTT 消息发布方法
public void PublishAsync(MQTTTopicData data, out string errMsg)
{
errMsg = "";
if (data == null)
{
errMsg = "发布的数据包错误";
return;
}
if (data.topic == null)
{
errMsg = "发布的数据主题不能为空";
return;
}
if (data.palyLoad == null)
{
errMsg = "发布的数据包有效载荷不能为空";
return;
}
if (!mqttClient.IsConnected)
{
errMsg = "MQTT客户端尚未连接！";
return;
}
MqttApplicationMessage message = new MqttApplicationMessage();
message.Topic = data.topic;
message.Payload = data.palyLoad;
message.QualityOfServiceLevel = MqttQualityOfServiceLevel.AtMostOnce;
message.Retain = false;
Task task = mqttClient.PublishAsync(message);
task.Wait(5000);// 最多只等待5秒
}
private void ReciveMqttClientDataHander(MQTTTopicData data)
{
if (this.logReciver != null && this.logReciver.IsRuning)
{
this.logReciver.Append(data);
}
}
private void MqttClient_ApplicationMessageReceived(object sender, MqttApplicationMessageReceivedEventArgs e)
{
MQTTTopicData data = new MQTTTopicData();
data.topic = e.ApplicationMessage.Topic;
data.palyLoad = e.ApplicationMessage.Payload;
actionReciveData(data);// 触发接受事件
}
public void Append(MQTTTopicData data)
{
if (!IsRuning)
{
return;
}
if (queue.IsAddingCompleted)
{
return;
}
if (queue.Count > 4096)
{
return;
}
queue.Add(data);
}
private void Excute(MQTTTopicData data)
{
if (data == null)
{
return;
}
// 只接收机日志消息
if (data.topic != this.logNewsTopic)
{
return;
}
if (data.palyLoad == null)
{
return;
}
Log log = ByteUtil.ToDeserializeObject <Log>(data.palyLoad);
actionReciveLog(log);
}