本文整理汇总了Scala中org.eclipse.paho.client.mqttv3.MqttMessage类的典型用法代码示例。如果您正苦于以下问题:Scala MqttMessage类的具体用法?Scala MqttMessage怎么用?Scala MqttMessage使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了MqttMessage类的10个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Scala代码示例。
示例1: Publisher
//设置package包名称以及导入依赖的类
import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
import org.eclipse.paho.client.mqttv3.{MqttClient, MqttMessage}
import scala.util.{Failure, Random, Success, Try}
object Publisher extends App {
// Global information
val name = "apdl-case-study-from-scratch"
// MQTT Server info to publish
val brokerURL = "tcp://mosquitto-mqtt:1883"
val topicTemperature = s"temp"
val topicLuminosity = s"light"
val persistence = new MqttDefaultFilePersistence("tmp")
Try {
val client = new MqttClient(brokerURL, MqttClient.generateClientId(), persistence)
client.connect()
val topicTemp = client.getTopic(topicTemperature)
val topicLight = client.getTopic(topicLuminosity)
while (true) {
val temp = Random.nextInt(10) + 20
val light = Random.nextInt(40) + 640
val msgTemp = new MqttMessage(s"$temp".getBytes)
val msgLight = new MqttMessage(s"$light".getBytes)
println(s"Publish $temp to $topicTemperature")
println(s"Publish $light to $topicLight")
topicTemp.publish(msgTemp)
topicLight.publish(msgLight)
Thread.sleep(1000)
}
while(true) {
println("OK !")
Thread.sleep(1000)
}
} match {
case Failure(exception) => println(s"ERROR : $exception + ${exception.getCause}")
case Success(_) => println(s"OK !")
}
}
开发者ID:SnipyJulmy,项目名称:APDL-from-scratch-mqtt,代码行数:48,代码来源:Publisher.scala
示例2: MQTTClient
//设置package包名称以及导入依赖的类
package com.murraywilliams
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
import org.eclipse.paho.client.mqttv3.MqttClient
import org.eclipse.paho.client.mqttv3.MqttConnectOptions
import org.eclipse.paho.client.mqttv3.MqttMessage
object MQTTClient {
private[this] val logger = org.log4s.getLogger
lazy val mqttClient = {
import XBeeReceiver.conf
try {
val memoryPersistence = new MemoryPersistence()
val brokerUrl = conf.getString("mqtt.url")
val client = new MqttClient(brokerUrl, "xbeeSensorsClientId", memoryPersistence)
val opts = new MqttConnectOptions()
opts.setCleanSession(true)
logger.info(s"Connecting to broker ${brokerUrl}...")
client.connect(opts)
logger.info("Connected")
Some(client)
} catch {
case t : Throwable => {
logger.error(t)("Could not connect to MQTT server.")
None
}
}
}
lazy val mqttTopicRoot = XBeeReceiver.conf.getString("mqtt.topic")
def mqttSend(topicSuffix : String, message : Any) = {
val msg = message match {
case str : String => str.getBytes
case byteArray : Array[Byte] => byteArray
case _ => message.toString.getBytes
}
mqttClient match {
case Some(client) if client.isConnected => client.publish(s"${mqttTopicRoot}/${topicSuffix}",new MqttMessage(msg))
case None => logger.warn("No connection to MQTT broker. Not sending any data.")
}
}
}
开发者ID:murraytodd,项目名称:xbeeToMQTT,代码行数:48,代码来源:MQTTClient.scala
示例3: MQTTPublisher
//设置package包名称以及导入依赖的类
package com.knoldus
import com.typesafe.config.ConfigFactory
import org.eclipse.paho.client.mqttv3.{MqttClient, MqttException, MqttMessage}
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
import scala.sys.process._
object MQTTPublisher extends App {
val config = ConfigFactory.load()
val url = config.getString("mosquitto-server.url")
val port = config.getInt("mosquitto-server.port")
def publishToserver() = {
println("Hey I am publishing")
val brokerUrl = s"tcp://$url:$port"
val topic = "TemperatureEvent"
val tempCommand = "/opt/vc/bin/vcgencmd measure_temp"
def getMessage = s"Temperature of CPU at ${System.currentTimeMillis()} is ${tempCommand.!!.split("=")(1)} "
var client: MqttClient = null
val persistence = new MemoryPersistence
try {
client = new MqttClient(brokerUrl, MqttClient.generateClientId, persistence)
client.connect()
val msgTopic = client.getTopic(topic)
val message = new MqttMessage(getMessage.getBytes("utf-8"))
while (true) {
msgTopic.publish(message)
println(s"Publishing the data topic ${msgTopic.getName} message: ${message.toString}")
Thread.sleep(1000)
}
}
catch {
case exception: MqttException => println(s"ExceptionOccured:$exception ")
}
finally {
client.disconnect()
}
}
publishToserver
}
开发者ID:shiv4nsh,项目名称:scala-mqtt-client-rasberrypi-starter-kit,代码行数:46,代码来源:MQTTPublisher.scala
示例4: MqttDispatchingListener
//设置package包名称以及导入依赖的类
package mqtt
import akka.actor.{ActorPath, ActorSystem}
import mqtt.MqttListenerMessage.ConsumeMessage
import org.eclipse.paho.client.mqttv3.{IMqttDeliveryToken, MqttCallback, MqttMessage}
import play.api.Logger
class MqttDispatchingListener(actorSystem: ActorSystem) extends MqttCallback {
var listeners: List[ActorPath] = List.empty
override def deliveryComplete(token: IMqttDeliveryToken): Unit = {}
override def connectionLost(cause: Throwable): Unit = {}
def addListener(listener:ActorPath): Unit = {
listeners = listener :: listeners
}
override def messageArrived(topic: String, message: MqttMessage): Unit = {
val msgStr = new String(message.getPayload)
Logger.debug(s"Mqtt topic $topic received $msgStr")
listeners.foreach(actorSystem.actorSelection(_) ! ConsumeMessage(topic, msgStr))
}
}
object MqttListenerMessage {
case class Ping()
case class ConsumeMessage(receivedTopic: String, message: String)
}
开发者ID:vavravl1,项目名称:home_center,代码行数:31,代码来源:MqttDispatchingListener.scala
示例5: MqttSinkAppA
//设置package包名称以及导入依赖的类
package org.apress.prospark
import java.nio.charset.StandardCharsets
import org.apache.spark.SparkConf
import org.apache.spark.SparkContext
import org.apache.spark.streaming.Seconds
import org.apache.spark.streaming.StreamingContext
import org.eclipse.paho.client.mqttv3.MqttClient
import org.eclipse.paho.client.mqttv3.MqttMessage
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
import org.json4s.DefaultFormats
import org.json4s.JField
import org.json4s.JsonAST.JObject
import org.json4s.jvalue2extractable
import org.json4s.jvalue2monadic
import org.json4s.native.JsonMethods.parse
import org.json4s.string2JsonInput
object MqttSinkAppA {
def main(args: Array[String]) {
if (args.length != 3) {
System.err.println(
"Usage: MqttSinkApp <appname> <outputBrokerUrl> <topic>")
System.exit(1)
}
val Seq(appName, outputBrokerUrl, topic) = args.toSeq
val conf = new SparkConf()
.setAppName(appName)
.setJars(SparkContext.jarOfClass(this.getClass).toSeq)
val batchInterval = 10
val ssc = new StreamingContext(conf, Seconds(batchInterval))
HttpUtils.createStream(ssc, url = "https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.quotes%20where%20symbol%20in%20(%22IBM,GOOG,MSFT,AAPL,FB,ORCL,YHOO,TWTR,LNKD,INTC%22)%0A%09%09&format=json&diagnostics=true&env=http%3A%2F%2Fdatatables.org%2Falltables.env",
interval = batchInterval)
.flatMap(rec => {
val query = parse(rec) \ "query"
((query \ "results" \ "quote").children).map(rec => JObject(JField("Timestamp", query \ "created")).merge(rec))
})
.map(rec => {
implicit val formats = DefaultFormats
rec.children.map(f => f.extract[String]) mkString ","
})
.foreachRDD { rdd =>
val client = new MqttClient(outputBrokerUrl, MqttClient.generateClientId(), new MemoryPersistence())
client.connect()
rdd.foreach(rec => client.publish(topic, new MqttMessage(rec.getBytes(StandardCharsets.UTF_8))))
client.disconnect()
client.close()
}
ssc.start()
ssc.awaitTermination()
}
}
开发者ID:ZubairNabi,项目名称:prosparkstreaming,代码行数:62,代码来源:L6-5Exception.scala
示例6: MsgToElastic
//设置package包名称以及导入依赖的类
package Birdcage
import java.util.Date
import com.sksamuel.elastic4s.ElasticDsl._
import akka.actor.Actor
import com.sksamuel.elastic4s.{ElasticClient, IndexAndType, IndexAndTypes, IndexResult}
import com.typesafe.scalalogging.LazyLogging
import org.eclipse.paho.client.mqttv3.MqttMessage
import scala.concurrent.ExecutionContext.Implicits.global
import concurrent.Future
import scala.util.{Failure, Success}
object MsgToElastic {
case class MsgMqtt(topic: String, message: MqttMessage, esClient: ElasticClient, indexTypeEs: Tuple2[String, String])
}
class MsgToElastic extends Actor with LazyLogging {
import MsgToElastic._
def receive = {
case MsgMqtt(topic, message, esClient, indexTypeEs) => sentToElastic(topic, message, esClient, indexTypeEs)
case _ => logger.debug("MsgActor received unsupported message")
}
def sentToElastic(topic: String, message: MqttMessage, esClient: ElasticClient, indexTypeEs: Tuple2[String, String]) = {
val indexType = new IndexAndType(indexTypeEs._1.toLowerCase, indexTypeEs._2.toLowerCase())
val messageVal = s"%s".format(message)
val timestamp = new Date().toString
val resp: Future[IndexResult] = {
esClient.execute {
index into IndexAndTypes.apply(indexType) fields(
"postcode" -> topic.takeWhile(_ != '/').toLowerCase(),
"huisnummer" -> topic.dropWhile(_ != '/').drop(1).takeWhile(_ != '/'),
"timestamp" -> timestamp,
"subject" -> topic.reverse.takeWhile(_ != '/').reverse,
"value" -> messageVal
)
}
}
resp.onComplete
{
case Success(res) => {
val bufferString = "Msg to Es : %s, %s, %s\n %s\n".format(timestamp, topic, messageVal, resp)
logger.info(bufferString)
}
case Failure(e) => logger.info("An error has occured while sending to Elastic")
}
}
}
开发者ID:TreeWIFI,项目名称:aviary,代码行数:54,代码来源:MsgToElastic.scala
示例7: notify
//设置package包名称以及导入依赖的类
package io.hydrosphere.mist.master
import io.hydrosphere.mist.Messages.StatusMessages.SystemEvent
import io.hydrosphere.mist.master.interfaces.JsonCodecs
import io.hydrosphere.mist.master.interfaces.async.kafka.TopicProducer
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
import org.eclipse.paho.client.mqttv3.{MqttAsyncClient, MqttConnectOptions, MqttMessage}
trait JobEventPublisher {
def notify(event: SystemEvent): Unit
def close(): Unit
}
object JobEventPublisher {
import JsonCodecs._
import spray.json._
def forKafka(host: String, port: Int, topic: String): JobEventPublisher = {
new JobEventPublisher {
val producer = TopicProducer(host, port, topic)
override def notify(event: SystemEvent): Unit = {
val json = event.toJson
producer.send("", json)
}
override def close(): Unit = {}
}
}
def forMqtt(host: String, port: Int, topic: String): JobEventPublisher = {
new JobEventPublisher {
val client = {
val persistence = new MemoryPersistence
val uri = s"tcp://$host:$port"
val client = new MqttAsyncClient(uri, MqttAsyncClient.generateClientId(), persistence)
val opt = new MqttConnectOptions
opt.setCleanSession(true)
client.connect(opt)
client
}
override def notify(event: SystemEvent): Unit = {
val json = event.toJson
val message = new MqttMessage(json.getBytes())
client.publish(topic, message)
}
override def close(): Unit = client.close()
}
}
}
开发者ID:Hydrospheredata,项目名称:mist,代码行数:61,代码来源:JobEventPublisher.scala
示例8: MQTTPublisher
//设置package包名称以及导入依赖的类
import com.typesafe.config.ConfigFactory
import org.eclipse.paho.client.mqttv3.{MqttClient, MqttException, MqttMessage}
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence
import scala.sys.process._
import scala.util.Try
object MQTTPublisher extends App {
val url = Try(ConfigFactory.load().getString("mosquitto-server.url")).toOption.fold("localhost")
val port = Try(ConfigFactory.load().getInt("mosquitto-server.port")).toOption.fold(1883)
def publishToserver() = {
println("Hey I am publishing")
val brokerUrl = s"tcp://$url:$port"
val topic = "TemperatureEvent"
val tempCommand = "/opt/vc/bin/vcgencmd measure_temp"
def getMessage = s"Temperature of CPU at ${System.currentTimeMillis()} is ${tempCommand.!!.split("=")(1)} "
var client: MqttClient = null
val persistence = new MemoryPersistence
try {
client = new MqttClient(brokerUrl, MqttClient.generateClientId, persistence)
client.connect()
val msgTopic = client.getTopic(topic)
val message = new MqttMessage(getMessage.getBytes("utf-8"))
while (true) {
msgTopic.publish(message)
println(s"Publishing the data topic ${msgTopic.getName} message: ${message.toString}")
Thread.sleep(1000)
}
}
catch {
case exception: MqttException => println(s"ExceptionOccured:$exception ")
}
finally {
client.disconnect()
}
}
publishToserver
}
开发者ID:shiv4nsh,项目名称:raspi-spark-streaming-mqtt,代码行数:44,代码来源:MQTTPublisher.scala
示例9: PublishService
//设置package包名称以及导入依赖的类
package service
import com.google.inject.ImplementedBy
import org.eclipse.paho.client.mqttv3.{MqttClient, MqttMessage}
import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
import scala.concurrent.Future
import scala.util.{Failure, Success, Try}
object PublishService {
val client = new MqttClient(brokerUrl, MqttClient.generateClientId(), persistence)
def publish(message: String): Boolean = {
client.connect()
val result = Try(client.getTopic(topic+"/set")) match {
case Success(messageTopic) =>
val mqttMessage = new MqttMessage(message.getBytes("utf-8"))
Try(messageTopic.publish(mqttMessage)) match {
case Success(r) =>
play.Logger.debug(s"Result of publishing: ${r.getMessage}")
true
case Failure(exception) =>
play.Logger.error(
s"""
|An error occurred while trying to publish the message "$message" to $topic into $brokerUrl:
""".stripMargin, exception)
false
}
case Failure(exception) =>
play.Logger.error(s"""
|An error occurred while trying to publish the message "$message" to $topic into $brokerUrl:
""".stripMargin, exception)
false
}
client.disconnect()
result
}
}
开发者ID:camilosampedro,项目名称:lights-on,代码行数:40,代码来源:PublishService.scala
示例10: SubscribeService
//设置package包名称以及导入依赖的类
package service
import controllers.socket.LightSocketActor
import model.Message
import org.eclipse.paho.client.mqttv3.{IMqttDeliveryToken, MqttCallback, MqttClient, MqttMessage}
object SubscribeService {
val client = new MqttClient(brokerUrl, MqttClient.generateClientId(), persistence)
def subscribe(): Unit = {
client.connect()
// TODO: Change topic
client.subscribe(topic)
val callback = new MqttCallback {
override def deliveryComplete(token: IMqttDeliveryToken): Unit = {
play.Logger.debug("Delivery complete!")
}
override def connectionLost(cause: Throwable): Unit = {
play.Logger.debug("Connection to socket lost")
LightSocketActor.sendMessage(Message("Connection lost"))
}
override def messageArrived(topic: String, message: MqttMessage): Unit = {
play.Logger.debug(s"A message arrived: ${new String(message.getPayload)}")
LightSocketActor.sendMessage(Message(new String(message.getPayload)))
}
}
client.setCallback(callback)
}
}
开发者ID:camilosampedro,项目名称:lights-on,代码行数:36,代码来源:SubscribeService.scala
注:本文中的org.eclipse.paho.client.mqttv3.MqttMessage类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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