Fixed multiple publish notification for overlapping subscriptions (fix issue #52)

2015-06-23 23:23:38 +02:00
parent 336c452ef3
commit 7dece38b57
5 changed files with 124 additions and 6 deletions
@@ -0,0 +1,56 @@
+@Grab(group='org.fusesource.mqtt-client', module='mqtt-client', version='1.10')
+
+import org.fusesource.mqtt.client.BlockingConnection
+import org.fusesource.mqtt.client.MQTT
+import org.fusesource.mqtt.client.Message
+import org.fusesource.mqtt.client.QoS
+import org.fusesource.mqtt.client.Topic
+
+import java.util.concurrent.TimeUnit
+
+String host = args.size() == 1 ? args[0] : "localhost"
+
+MQTT mqttSub = new MQTT()
+mqttSub.setHost(host, 1883)
+mqttSub.setClientId("Subscriber")
+mqttSub.cleanSession = false
+//AT_MOST_ONCE,
+//AT_LEAST_ONCE,
+//EXACTLY_ONCE
+BlockingConnection clientSub = mqttSub.blockingConnection()
+clientSub.connect()
+println "Sub connected"
+Topic[] overlappingSubscriptions = [new Topic("a/+", QoS.EXACTLY_ONCE),
+                                    new Topic("a/b", QoS.AT_LEAST_ONCE)]
+byte[] qoses = clientSub.subscribe(overlappingSubscriptions)
+println "Sub subscribed"
+
+MQTT mqttPub = new MQTT()
+mqttPub.setHost(host, 1883)
+mqttPub.setClientId("Publisher")
+mqttPub.cleanSession = false
+
+BlockingConnection clientPub = mqttPub.blockingConnection()
+clientPub.connect()
+println "Pub connected"
+clientPub.publish("a/b", "Hello world".bytes, QoS.AT_LEAST_ONCE, false)
+println "Pub published"
+Message msg = clientSub.receive()
+println "Sub received message \n\t Topic: ${msg.topic}, payload: ${new String(msg.payload)}"
+msg.ack()
+
+//try to receive another NOT want publish
+msg = clientSub.receive(1, TimeUnit.SECONDS)
+if (msg != null) {
+    println "Second possible message, payload: ${new String(msg.payload)}, topic: ${msg.topic}"
+}
+
+clientPub.disconnect()
+clientPub.kill()
+println "Pub disconnected"
+
+clientSub.disconnect()
+clientSub.kill()
+println "Sub disconnected"
+
+println "Finished!!\n\n"