Android Open Source - CopresenceDataCollector Cell Worker

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License

The source code is released under:
Copyright (c) 2014, Xiang Gao All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Re...
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Java Source Code

package org.sesy.coco.datacollector;
/*from w ww .  java2s. co m*/
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.sesy.coco.datacollector.database.Entry;
import org.sesy.coco.datacollector.log.ConfigureLog4J;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.CountDownTimer;
import android.os.IBinder;
import android.os.SystemClock;
import android.telephony.NeighboringCellInfo;
import android.telephony.TelephonyManager;
import android.util.Log;

public class CellWorker extends Service{
  
  private TelephonyManager tm;
  private int scanCounter;
    private String radioType;
    private String networkType;
    private String mcc;
    private String mnc;
    private List<NeighboringCellInfo> neighboringCellInfoList;
    private List<Cell> cellInfoList;
    private int cellId, lac, psc, signalStrength;

    private CountDownTimer timer;
    //private int gt, ob;
  Logger log;
    
  public static Map<Integer,String> networkTypeStr;
    static {
        networkTypeStr = new HashMap<Integer,String>();
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_GPRS, "GPRS");
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_EDGE, "EDGE");
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_UMTS, "UMTS");
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_HSDPA, "HSDPA");
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_HSUPA, "HSUPA");
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_HSPA, "HSPA");
        networkTypeStr.put(15, "HSPAP");  //NETWORK_TYPE_HSPAP
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_CDMA, "CDMA");
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_EVDO_0, "EVDO_0");
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_EVDO_A, "EVDO_A");
        networkTypeStr.put(12, "EVDO_B");  //NETWORK_TYPE_EVDO_B
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_1xRTT, "1xRTT");
        networkTypeStr.put(14, "EHRPD");  //NETWORK_TYPE_EHRPD
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_IDEN, "IDEN");
        networkTypeStr.put(13, "LTE");  //NETWORK_TYPE_LTE
        networkTypeStr.put(TelephonyManager.NETWORK_TYPE_UNKNOWN, "UNKNOWN");
    }
    
    @Override
  public void onCreate(){
    super.onCreate();
    
    log = Logger.getLogger(CellWorker.class);  
        ConfigureLog4J.configure(this);  
        LogManager.getRootLogger().setLevel((Level)Level.DEBUG);   
        
  }
    
    @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    WorkerService.cellTask = true;
    //gt = intent.getIntExtra("gt", 0);
    //ob = intent.getIntExtra("ob", 0);
    
    WorkerService.cellList.clear();
    cellInfoList = new ArrayList<Cell>();
    scanCounter = 0;
    
    log.info("Subtask Cell");
      
    tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); 
        
    timer = new CountDownTimer(31*1000, 3000) {

      @Override
      public void onFinish() {
        // TODO Auto-generated method stub
        log.info("Cell scan finished");
        WorkerService.cellTaskDone = true;
        stopSelf();
      }

      @Override
      public void onTick(long millisUntilFinished) {
        // TODO Auto-generated method stub
        if(scanCounter >= 0 && scanCounter <= 9){
          getCellInfos();
          scanCounter++;        
          log.info("Subtask Cell scan started "+scanCounter);
        }
      }
      
    };
    
    timer.start();
    log.info("Subtask Cell scan started "+scanCounter);
    
    
    return START_NOT_STICKY;    
  }
    
   
  private void getCellInfos(){
    long ts = SystemClock.elapsedRealtime() - WorkerService.metaTS;
    List<NeighboringCellInfo> list = tm.getNeighboringCellInfo();  
    if(!list.isEmpty()){
      for (NeighboringCellInfo i : list) {  
        int rssi = 0;
        switch(getNetworkClass(i.getNetworkType())){
        case 1:
          rssi = -113 + 2*(i.getRssi());  //GSM(TS 27.007): dBm = 2*ASU - 113, ASU in the range of 0..31 and 99
          break;
        case 2:
          rssi = -116 + i.getRssi();  //UMTS(TS 25.125): dBm = ASU - 116, ASU in the range of -5..91
          break;
        default:
          rssi = i.getRssi();
        }
              Cell cell = new Cell(i.getCid(), i.getLac(), i.getPsc(), rssi, networkTypeStr.get(i.getNetworkType()));  
              Entry eobj = new Entry();
        String fp = cell.toString();
        Log.i("Cell FP", "Subtask cell_fp: " + fp);
        //eobj.setOB(ob);
        eobj.setTS(ts);
        //eobj.setGT(gt);
        eobj.setMT(Constants.STATUS_SENSOR_CELL);
        eobj.setFP(fp);
            WorkerService.cellList.add(eobj);  
          }  
    }
    }
    
    private int getNetworkClass(int networkType) {
        switch (networkType) {
            case -1:
                return -1;  //NONE
            case TelephonyManager.NETWORK_TYPE_GPRS:
            case TelephonyManager.NETWORK_TYPE_EDGE:
                return 1;  //GSM
            case TelephonyManager.NETWORK_TYPE_UMTS:
            case TelephonyManager.NETWORK_TYPE_HSPA:
            case TelephonyManager.NETWORK_TYPE_HSDPA:
            case TelephonyManager.NETWORK_TYPE_HSUPA:
            case TelephonyManager.NETWORK_TYPE_HSPAP:
              return 2;  //UMTS
            case TelephonyManager.NETWORK_TYPE_LTE:
              return 5;  //LTE
            case TelephonyManager.NETWORK_TYPE_CDMA:
            case TelephonyManager.NETWORK_TYPE_EVDO_0:
            case TelephonyManager.NETWORK_TYPE_EVDO_A:
            case TelephonyManager.NETWORK_TYPE_EVDO_B:
            case TelephonyManager.NETWORK_TYPE_1xRTT:
            case TelephonyManager.NETWORK_TYPE_EHRPD:
                return 3;  //CDMA
            case TelephonyManager.NETWORK_TYPE_IDEN:
                return 4;  //IDEN
            case TelephonyManager.NETWORK_TYPE_UNKNOWN:
            default:
                return 0;  //UNKNOWN
        }
    }

  @Override
  public IBinder onBind(Intent arg0) {
    // TODO Auto-generated method stub
    return null;
  }
    
    private class Cell {
        private int cid;  // Cell ID
        private int lac;  // Location Area Code
        private int psc;
        //private int mcc;  // Mobile Country Code
        //private int mnc;  // Mobile Network Code
        private int rssi;  // Signal Strength in dBm
        private String radioType;  // GSM or CDMA
        //private String type;  // Neighbour 'n' or Connected 'c'
        
        public Cell(int cid, int lac, int psc, int rssi, String radioType){
          this.cid = cid;
          this.lac = lac;
          this.psc = psc;
          //this.mcc = mcc;
          //this.mnc = mnc;
          this.rssi = rssi;
          this.radioType = radioType;
          //this.type= type;
        }
        @Override
        public String toString(){
          return cid+"#"+radioType+"#"+lac+"#"+psc+"#"+rssi;
        }
    }
    
    
    /*private class GSMCellInfo extends CellInfo {
        private int cellId;
        private int lac;
        private int mcc;
        private int mnc;
        private int psc;
        private int signalStrength;
        
        @Override
        public String toString(){
          return cellId+"#"+lac+"#"+signalStrength+"#"+mcc+"#"+mnc+"#"+psc;
        }
    }
    
    private class CDMACellInfo extends CellInfo {
        private int cellId;
        private int networkId;
        private int systemId;
        private int longitude;
        private int latitude;
        private int signalStrength;
        
        @Override
        public String toString(){
          return cellId+"#"+networkId+"#"+signalStrength+"#"+longitude+"#"+latitude+"#"+systemId;
        }
    }
    
    private class LTECellInfo extends CellInfo {
        private int cellId;
        private int tac;
        private int mcc;
        private int mnc;
        private int pci;
        private int signalStrength;
        
        @Override
        public String toString(){
          return cellId+"#"+tac+"#"+signalStrength+"#"+mcc+"#"+mnc+"#"+pci;
        }
    }
    
    private class UMTSCellInfo extends CellInfo {
        private int cellId;
        private int lac;
        private int mcc;
        private int mnc;
        private int psc;
        private int signalStrength;
        
        @Override
        public String toString(){
          return cellId+"#"+lac+"#"+signalStrength+"#"+mcc+"#"+mnc+"#"+psc;
        }
    }
    
    private class IDENCellInfo extends CellInfo {
        private int cellId;
        private int lac;
        private int mcc;
        private int mnc;
        private int psc;
        private int signalStrength;
        
        @Override
        public String toString(){
          return cellId+"#"+lac+"#"+signalStrength+"#"+mcc+"#"+mnc+"#"+psc;
        }
    }*/
    
}
Java Source Code List
