129 lines
4.9 KiB
Groovy
129 lines
4.9 KiB
Groovy
import org.fusesource.mqtt.client.BlockingConnection
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import org.fusesource.mqtt.client.CallbackConnection
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import org.fusesource.mqtt.client.MQTT
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import org.fusesource.mqtt.client.Listener
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import org.fusesource.mqtt.client.Message
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import org.fusesource.mqtt.client.QoS
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import org.fusesource.mqtt.client.Topic
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import org.fusesource.mqtt.client.Callback
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import org.fusesource.hawtbuf.Buffer
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import org.fusesource.hawtbuf.UTF8Buffer
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import java.util.concurrent.CountDownLatch
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import java.util.concurrent.TimeUnit
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import org.HdrHistogram.Histogram
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class BenchmarkSubscriber {
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private int numReceived = 0
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private long startTime = System.currentTimeMillis()
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private boolean exit = false
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private CountDownLatch m_latch = new CountDownLatch(1)
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private boolean alreadyStarted = false
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private Histogram histogram = new Histogram(5)
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private CallbackConnection connection
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private MQTT mqtt
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private String dialog_id
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// BenchmarkSubscriber(MQTT mqtt) {
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// this.mqtt = mqtt
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// }
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def connect() {
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this.connection = mqtt.callbackConnection()
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connection.listener(new Listener() {
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public void onDisconnected() {
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println "SUB: listener received disconnection"
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}
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public void onConnected() {
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println "SUB: listener received a connected to ${mqtt.host}"
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// startTime = System.currentTimeMillis()
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}
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public void onPublish(UTF8Buffer topic, Buffer payload, Runnable ack) {
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// You can now process a received message from a topic.
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// Once process execute the ack runnable.
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ack.run()
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//used to catch the first message published
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if (!alreadyStarted) {
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startTime = System.currentTimeMillis()
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alreadyStarted = true
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}
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//println "Received a publish on topic ${topic}"
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if (topic.toString().startsWith("/exit")) {
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println "SUB: ok Exit!"
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exit = true
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connection.disconnect(null)
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long stopTime = System.currentTimeMillis()
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long spentTime = stopTime - startTime
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println "SUB: " + topic.toString() + " received"
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println "SUB: subscriber disconnected, received ${numReceived} messages in ${spentTime} ms"
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double msgPerSec = (numReceived / spentTime) * 1000
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println "SUB: Speed: $msgPerSec msg/sec"
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println "SUB: Latency diagram"
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histogram.outputPercentileDistribution(System.out, 1000.0); //nanos/1000
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m_latch.countDown()
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} else {
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String message = payload as String
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long sentTime = message.split('-')[1] as long
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long delay = System.nanoTime() - sentTime
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histogram.recordValue(delay)
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print '+'
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numReceived++
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// if ((numReceived % 10000) == 0) {
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// print '.'
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// }
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}
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}
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public void onFailure(Throwable th) {
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connection.disconnect(null)
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println "SUB: Something failed during message reception"
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th.printStackTrace()
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m_latch.countDown()
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}
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})
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connection.connect(new Callback<Void>() {
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public void onFailure(Throwable value) {
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System.exit(2);
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}
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// Once we connect..
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public void onSuccess(Void v) {
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// Subscribe to /topic
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Topic[] topics = [new Topic("/topic" + dialog_id, QoS.AT_LEAST_ONCE)]
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connection.subscribe(topics, new Callback<byte[]>() {
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public void onSuccess(byte[] qoses) {
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// The result of the subcribe request.
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println "SUB: subscribed to /topic${dialog_id} ${qoses}"
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}
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public void onFailure(Throwable value) {
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connection.disconnect(null); // subscribe failed.
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}
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});
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// Subscribe to /topic
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Topic[] exitTopic = [new Topic("/exit" + dialog_id, QoS.AT_LEAST_ONCE)]
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connection.subscribe(exitTopic, new Callback<byte[]>() {
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public void onSuccess(byte[] qoses) {
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// The result of the subcribe request.
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println "SUB: subscribed to /exit${dialog_id} ${qoses}"
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}
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public void onFailure(Throwable value) {
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connection.disconnect(null); // subscribe failed.
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m_latch.countDown()
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}
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});
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}
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})
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}
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def waitFinish() {
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this.m_latch.await()
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}
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} |