io.hydrosphere.mist.lib.MQTTPublisher.scala Maven / Gradle / Ivy
package io.hydrosphere.mist.lib
import io.hydrosphere.mist.MistConfig
import org.eclipse.paho.client.mqttv3.{MqttClient, MqttMessage}
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
trait MQTTPublisher extends Publisher{
override def publish(message: String): Unit = {
if (MistConfig.MQTT.isOn) {
val persistence = new MemoryPersistence
val client = new MqttClient(s"tcp://${MistConfig.MQTT.host}:${MistConfig.MQTT.port}", MqttClient.generateClientId, persistence)
client.connect()
val msgTopic = client.getTopic(MistConfig.MQTT.publishTopic)
val mqMessage = new MqttMessage(message.getBytes("utf-8"))
msgTopic.publish(mqMessage)
client.disconnect()
}
}
}