TempSens0.java

/*
Copyright 2011 Alex Redaelli

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
package net.hgw4.testapp;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Date;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

public class TempSens0 extends FakeUdpSensor {
    
    InetAddress ipaddressServer;
    public Logger tempSens0Logger;
    public TimerTask task0;
    public Timer timer;
    public byte msg[] = null;
    public String id;
    public Date now = null;
    
    public TempSens0(int portToSend, String endPointId){
        super(portToSend);
        PropertyConfigurator.configure(System.getProperty("user.dir") +
                                     System.getProperty("file.separator") +
                                     "configs/log4j.properties");
        tempSens0Logger = Logger.getLogger(TempSens0.class.getName());
        tempSens0Logger.info("TempSens0");
        
        timer = new Timer("fake tempsens - "+ endPointId );
        TimerTask task = new MyTimer();
        timer.schedule(task,1000,1000);
        id = endPointId;
    }
    
    public class MyTimer extends TimerTask {
         
            public void run() {
                 tempSens0Logger.info("TempSens0 - timer send mesg ");
                 sendMsg(buildMessage());
            }
    } 
    
    public byte[] buildMessage(){
        tempSens0Logger.info("buildMessage() ");
        //0...3bytes  = nodeId
        //0...25bytes = timestamp
        //0...13bytes = value * N valori separati da virgola
        Random random = new Random();
        now = new Date();
        String msgString = new String(id + "," + now.toString() +"," + generateRandomInt(18,34,random));
        msg = msgString.getBytes();
            return msg;
    }
    
    /**
     * 
     * @param msg 
     */
    public void sendMsg(byte[] msg){
        tempSens0Logger.info("sendMsg(byte[] msg) "+ msg);
        try {
            ipaddressServer = InetAddress.getByName("127.0.0.1");//indirizzo di spedizione
            //ipaddressServer = InetAddress.getByName("localhost");
            tempSens0Logger.info("ipaddressServer "+ ipaddressServer);
            sendData(ipaddressServer,msg);
            
        } catch (UnknownHostException ex) {
            tempSens0Logger.error(ex);
        }
    }

    private int generateRandomInt(int aStart, int aEnd, Random aRandom){
        if ( aStart > aEnd ) {
          throw new IllegalArgumentException("Start cannot exceed End.");
        }

        long range = (long)aEnd - (long)aStart + 1;
        long fraction = (long)(range * aRandom.nextDouble());
        int randomNumber =  (int)(fraction + aStart);
        return randomNumber;
  }

}