Fixed mem leak due to caching of object without hasCode (NettyChannelContext

tools_scripts/integration/issue39_loopingConnecter.groovy

@@ -0,0 +1,34 @@
+@GrabResolver(name='Paho', root='https://repo.eclipse.org/content/repositories/paho-releases/')
+@Grab(group='org.eclipse.paho', module='org.eclipse.paho.client.mqttv3', version='1.0.1', ext='jar')
+
+
+import org.eclipse.paho.client.mqttv3.MqttClient
+import org.eclipse.paho.client.mqttv3.MqttMessage
+import org.eclipse.paho.client.mqttv3.MqttException
+import org.eclipse.paho.client.mqttv3.persist.MqttDefaultFilePersistence
+
+/**
+ * A client that connect and disconnect multiple times, to check that on disconnection there isn't
+ * any resource leakage.
+ * */
+
+if (args.size() != 3) {
+    println "usage: <host> <num_serial_connctions> <local client name>"
+    return
+}
+
+String host = args[0]
+long numSerialConnection = args[1] as long
+String clientName = args[2]
+
+String tmpDir = System.getProperty("java.io.tmpdir")
+MqttDefaultFilePersistence dataStore1 = new MqttDefaultFilePersistence(tmpDir + "/" + clientName)
+MqttClient client1 = new MqttClient("tcp://${host}:1883", "ConCli${clientName}", dataStore1)
+
+println "start loppoing to ${numSerialConnection} conn-discon"
+(1..numSerialConnection).each {
+    client1.connect()
+    client1.disconnect()
+    print "."
+}
+println "Done"