1、优化MQTT初始连接

sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/service/MQTTClient.java

@@ -41,6 +41,10 @@ public class MQTTClient {
         client.connect(options);
     }
 
+    public boolean isConnected(){
+        return client.isConnected();
+    }
+
     public boolean publish(String topic, String message) {
         if(!client.isConnected()){
             logger.info("mqtt disconnected");

sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/GXJKForwarder.java

@@ -38,7 +38,12 @@ public class GXJKForwarder extends Forwarder {
     void registerMe() throws MqttException {
         init(FORWARDER_NAME, "MQTT "+brokerUrl,7,FWD_DEVICE_NAME,10);
         mqttClient = new MQTTClient(brokerUrl, username, password,clientid);
-        mqttClient.connect();
+        try{
+            mqttClient.connect();
+        }
+        catch (Exception e){
+
+        }
     }
 
     /**
@@ -47,7 +52,15 @@ public class GXJKForwarder extends Forwarder {
     @Scheduled(cron = "0 0/10 * * * ?") // 每30分钟执行一次
     private void forwardGnss() {
         logger.debug("gxjk forwardGnss");
-        forwardCurrentGnss();
+        if(mqttClient.isConnected()) forwardCurrentGnss();
+        else{
+            try{
+                mqttClient.connect();
+            }
+            catch (Exception e){
+
+            }
+        }
     }
 
     @Override