Added script to test issue 9, publish of a QoS2 message

tools_scripts/publisher_client.groovy

@@ -6,16 +6,18 @@ import org.eclipse.paho.client.mqttv3.MqttMessage
 import org.eclipse.paho.client.mqttv3.MqttException
 import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
 
+String host = args[0]
+
 String tmpDir = System.getProperty("java.io.tmpdir")
 MqttDefaultFilePersistence dataStore = new MqttDefaultFilePersistence(tmpDir)
 
-MqttClient client = new MqttClient("tcp://localhost:1883", "PublisherClient", dataStore)
+MqttClient client = new MqttClient("tcp://${host}:1883", "PublisherClient", dataStore)
 client.connect()
 MqttMessage message = new MqttMessage('Hello world!!'.bytes)
 message.setQos(0)
 print "publishing.."
 long startTime = System.currentTimeMillis()
-(1..1000000).each {
+(1..100000).each {
     client.publish('topic', 'Hello world!!'.bytes, 0, false)
 }
 client.publish('/exit', 'Exit'.bytes, 0, false)