change stuff

src/main/kotlin/MQTTSubscriber.kt

@@ -1,12 +1,13 @@
 import org.eclipse.paho.client.mqttv3.*
 import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
-
+import java.time.Instant
 
 class MqttSubscriber : MqttCallbackExtended {
     private val broker = "tcp://mqtt.k8s.kmlabz.com:1883"
     private val clientId = MqttClient.generateClientId()
     private val persistence = MemoryPersistence()
     private val mqttClient = MqttAsyncClient(broker, clientId, persistence)
+    private val benchValues = HashMap<Int, Instant>()
 
     override fun connectionLost(arg0: Throwable) {
         System.err.println("connection lost")
@@ -18,7 +19,9 @@ class MqttSubscriber : MqttCallbackExtended {
     @Throws(Exception::class)
     override fun messageArrived(topic: String, message: MqttMessage) {
         println("topic: $topic")
+        benchValues.put(topic.split("/")[1].toInt(),Instant.now())
         println("message: " + String(message.payload))
+
     }
 
     override fun connectComplete(reconnect: Boolean, serverURI: String?) {
@@ -33,4 +36,10 @@ class MqttSubscriber : MqttCallbackExtended {
         mqttClient.setCallback(MqttSubscriber())
         mqttClient.connect(connOpts)
     }
+
+    fun disconnect(): HashMap<Int, Instant> {
+        mqttClient.disconnect()
+        mqttClient.close()
+        return benchValues
+    }
 }

src/main/kotlin/Main.kt

@@ -1,5 +1,6 @@
 fun main(){
     val mqtt = MqttSubscriber()
     mqtt.connect()
-    println("Hello World!")
+    Thread.sleep(10000)
+    mqtt.disconnect()
 }