34 lines
1.2 KiB
Groovy
34 lines
1.2 KiB
Groovy
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@GrabResolver(name='Paho', root='https://repo.eclipse.org/content/repositories/paho-releases/')
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@Grab(group='org.eclipse.paho', module='org.eclipse.paho.client.mqttv3', version='1.0.1', ext='jar')
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import org.eclipse.paho.client.mqttv3.MqttClient
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import org.eclipse.paho.client.mqttv3.MqttMessage
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import org.eclipse.paho.client.mqttv3.MqttException
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import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
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String host = args[0]
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String tmpDir = System.getProperty("java.io.tmpdir")
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MqttDefaultFilePersistence dataStore1 = new MqttDefaultFilePersistence(tmpDir + "/client1")
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MqttClient client1 = new MqttClient("tcp://${host}:1883", "ConnectedClient", dataStore1)
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client1.connect()
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println "Client1 connected"
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client1.subscribe("topic", 0)
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println "Client1 subscribed to topic"
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sleep(500)
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//now connect a second client but with the same ID
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MqttDefaultFilePersistence dataStore2 = new MqttDefaultFilePersistence(tmpDir + "/client2")
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MqttClient client2 = new MqttClient("tcp://${host}:1883", "ConnectedClient", dataStore2)
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client2.connect()
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println "Client2 connected"
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client2.subscribe("topic", 0)
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println "Client2 subscribed to topic"
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client1.disconnect()
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println "Client1 disconnected"
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client2.disconnect()
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println "Client2 disconnected"
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