From 38a84c44d148127ce9fba9c856eee602121b7c73 Mon Sep 17 00:00:00 2001
From: Nacho45 <39160137+Nacho45@users.noreply.github.com>
Date: Fri, 11 May 2018 09:02:54 +0200
Subject: [PATCH] Creacion/Conexion/Envio de mediciones/Desconexion (MQTT)

---
 App.java | 155 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 App.java

diff --git a/App.java b/App.java
new file mode 100644
index 0000000..0587533
--- /dev/null
+++ b/App.java
@@ -0,0 +1,155 @@
+package c8y.example.Neveras;
+
+import org.eclipse.paho.client.mqttv3.*;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+import java.util.concurrent.*;
+
+public class App {
+
+    public static void main(String[] args) throws Exception {
+    	
+    	Scanner scan = new Scanner(System.in);
+    	
+    	//String resp = "si";
+    	//String nomDisp, str, serialDisp, calleDisp, latDisp, longDisp;
+    	//String clientId;
+    	final String serverURI = "ssl://mqtt.cumulocity.com:8883";
+    	//MqttClient client;
+    	
+    	//Se establecen los parametros de la conexion MQTT
+        final MqttConnectOptions options = new MqttConnectOptions();
+        options.setUserName("<<tenant>>/<<ususario>>");
+        options.setPassword("<<password>>".toCharArray());
+        
+        final ArrayList<String> IDs = new ArrayList<String>();
+        
+        
+        /*
+        
+        
+    	//BUCLE DE CREACION/INTRODUCCION DE DISPOSITIVOS
+    	for(int i = 0; !resp.equalsIgnoreCase("no"); i++) {
+    		
+    		//introduccion del ID del dispositivo a un ArrayList
+    		System.out.println("Introduzca id del dispositivo ");
+    		clientId = scan.next();
+    		IDs.add(i, clientId);
+    		scan.nextLine();
+    		
+    		//Configuracion conexion MQTT
+    		 client = new MqttClient(serverURI, clientId, null);
+    		
+    		//Conexion a Cumulocity
+    		 client.connect(options);
+    		 
+    		//Creacion del dispositivo
+    		 System.out.println("Introduzca nombre del dispositivo ");
+     		 nomDisp = scan.next();
+     		 scan.nextLine();
+     		 str = "100,"+nomDisp+",c8y_MQTTDevice";
+    		 client.publish("s/us", str.getBytes(), 2, false);
+    		 
+    		//Informacion de Software
+    		 System.out.println("Introduzca numero de serie del dispositivo ");
+     		 serialDisp = scan.next();
+     		 scan.nextLine();
+     		 
+     		 System.out.println("Introduzca calle del dispositivo ");
+     		 calleDisp = scan.next();
+     		 scan.nextLine();
+     		 
+     		 str = "110,"+serialDisp+","+calleDisp;
+    		 client.publish("s/us", str.getBytes(), 2, false);
+    		 
+    		//Asignacion localizacion
+    		 System.out.println("Introduzca la latitud del dispositivo ");
+     		 latDisp = scan.next();
+     		 scan.nextLine();
+     		 
+     		 System.out.println("Introduzca la logitud del dispositivo ");
+     		 longDisp = scan.next();
+     		 scan.nextLine();
+     		 
+     		 str = "112,"+latDisp+","+longDisp;
+    		 client.publish("s/us", str.getBytes(), 2, false);
+    		 
+    		 do{
+    			System.out.println("Desea introducir otro dispositivo? (si/no)");
+    		 	resp = scan.next();
+    		 	scan.nextLine();
+    		 	
+    		 	if(!resp.equalsIgnoreCase("si") && !resp.equalsIgnoreCase("no")){
+    		 		System.out.println("Opción inválida.");
+    		 	}
+    		 }while(!resp.equalsIgnoreCase("si") && !resp.equalsIgnoreCase("no"));
+    	};
+    	
+    	
+    	*/
+    	
+    	
+        
+        //ENVIO DE MEDIDAS DE TEMPERATURA Y ESCUCHA DE MENSAJE
+
+         Executors.newSingleThreadScheduledExecutor().scheduleWithFixedDelay(new Runnable() {
+             public void run() {
+                 try {
+                    
+                	 //envio de mediciones
+                	 for(int i = 0; i < IDs.size(); i++) {
+                		 
+                		 double aleatorio= Math.random()*(0-(10+0))+(10);
+                		 double temp = 0;
+                		 
+                		 //Generador de temperaturas
+                		 
+                		 if(aleatorio >= 0.5 && aleatorio <= 9.5) {							
+                		 }
+                		 else															
+                			 if(aleatorio < 0.5) {
+                				 temp = Math.random()*(2-(3+1))+(3);
+                			 }
+                			 else
+                				 if(aleatorio > 9.5) {
+                					 temp = Math.random()*(6-(8+1))+(8);
+                				 }
+                		 
+                		 String str = "211,"+temp;
+                		 
+                		 final String currentID = IDs.get(i);
+                		 
+                		 final MqttClient client = new MqttClient(serverURI, currentID, null);
+                		 client.connect(options);
+                		 client.publish("s/us", new MqttMessage(str.getBytes()));
+                		 
+                		 //Escucha de mensaje
+                		 
+                		 client.subscribe("s/ds", new IMqttMessageListener() {
+                			 
+                 			public void messageArrived(final String topic, final MqttMessage message) throws Exception {
+                 				final String payload = new String(message.getPayload());
+                 				System.out.println("Received operation " + payload);
+                 				if (payload.endsWith("disconnect")) {
+                 					System.out.println("...Disconnecting Device "+currentID+"...");		
+                 					IDs.remove(IDs.indexOf(currentID));									//Comprobación de la cadena para desconexión
+                 					client.disconnect();												//Desconexión
+                 					System.out.println("...Device "+currentID+" Disconnected...");
+
+                 				}
+                 			}
+                 		});
+                		 
+                	 }
+                	 
+                 } catch (MqttException e) {
+                     e.printStackTrace();
+                 }
+             }
+         }, 1, 10, TimeUnit.SECONDS);
+         
+         scan.close();
+    }
+}
+