705 lines
18 KiB
Java
705 lines
18 KiB
Java
package com.safemobile.services;
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import java.io.*;
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import java.net.*;
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import java.nio.charset.Charset;
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import java.util.LinkedList;
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import java.util.NoSuchElementException;
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import java.util.Timer;
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import java.util.TimerTask;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.net.wifi.WifiManager;
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import com.safemobile.lib.AppParams;
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import com.safemobile.lib.SM;
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import com.safemobile.lib.TCPmsg;
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public class TCPhandler implements Runnable
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{
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private boolean alive = true;
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public String serverHostname = new String ("10.120.1.114");//
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private int port = 13579;
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private Thread listenThread;
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private Socket soc =null;
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//private BufferedReader recv;
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//private PrintWriter writer;
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private DataInputStream input;
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private DataOutputStream output;
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private Timer timer;
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private String leftOver = "";
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public static LinkedList<TCPmsg> msgList;
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private volatile int n=0;
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public Boolean isConnectionUP = false;
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public Boolean previousConnectionWasUP = false;
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private Context context;
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private boolean isWiFiOn = true;
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public TCPhandler(Context context, String hostName, int p)
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{
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this.context = context;
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serverHostname=hostName;
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port=p;
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msgList = new LinkedList<TCPmsg>();
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SM.Debug("---TCPhandler constructor [" + hostName + "," + p + "] ---");
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listenThread = new Thread(this, "TCPlisten");
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listenThread.start(); // (2) Start the thread.
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// create timer to check socket status
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timer = new Timer();
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timer.scheduleAtFixedRate(new TimerTask() {
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@Override
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public void run() {
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try {
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//Looper.prepare();
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//mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
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// get if is authenticated
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//Write("0.0", "d");
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previousConnectionWasUP = isConnectionUP;
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// try to send something
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TCPmsgParser._fireonTCPConnectionStatusEvent(isConnectionUP, previousConnectionWasUP);
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}
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catch (Exception e) {
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//e.printStackTrace();
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SM.Exception("TIMERException", e.toString());
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}
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}
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}, 0, 3000);
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// get WiFi state
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ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
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if(mWifi.isConnectedOrConnecting())
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isWiFiOn = true;
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IntentFilter intentFilter = new IntentFilter();
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intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
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context.registerReceiver(mReceived, intentFilter);
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}
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@Override
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public void run()
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{
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try
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{
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if(soc!=null)
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soc.close();
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soc = new Socket();
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soc.connect(new InetSocketAddress(serverHostname, port), 5000);
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//soc.setSoTimeout(3000);
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//SM.Debug("Socket timeout:" + soc.getSoTimeout() );
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//soc.setSoTimeout(5000);
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input = new DataInputStream(soc.getInputStream());
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output = new DataOutputStream(soc.getOutputStream());
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//recv= new BufferedReader(new InputStreamReader(soc.getInputStream()));
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//writer =new PrintWriter(soc.getOutputStream()) ;
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if(soc !=null) {
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//previousConnectionWasUP = isConnectionUP;
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isConnectionUP = true;
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triggerTCPConnectionStateEvent();
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}
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}
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catch (UnknownHostException e)
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{
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SM.Debug("UnknownHostException", "TCPhandler break:"+e.toString());
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}
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catch (IllegalArgumentException e)
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{
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SM.Debug("IllegalArgumentException", "TCPhandler break:"+e.toString());
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}
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catch (IOException e)
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{
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SM.Debug("IOException", "TCPhandler break:"+e.toString());
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}
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while(alive)
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{
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//SM.Debug("Waiting for data...");
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try {
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Thread.sleep(3000);
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} catch (InterruptedException e) {
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SM.Debug("TCPhandler Crash1 on sleep:"+e.toString());
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}
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while(isConnectionUP)
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{
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try
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{
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Thread.sleep(100);
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//SM.Debug("Waiting for data...");
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//process leftover
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try
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{
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boolean FinishLeftOver =true;
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while (FinishLeftOver)
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{
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// add this replacement if message length doesn't contain the last #
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// leftOver = leftOver.replace("##", "#");
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String[] tempArr2 = leftOver.split("#");
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if (tempArr2.length > 1)
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{
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int messLen;
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try
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{
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messLen = Integer.parseInt(tempArr2[1]);
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//TODO talk to Gaby to fix this on Bridge
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}
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catch (Exception e)
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{
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SM.Debug("leftovers", "incorect msg len leftOver =" + tempArr2[1]);
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messLen =-1;
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}
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if(messLen>leftOver.length())
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{
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FinishLeftOver =false;
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break;
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}
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else if(messLen==leftOver.length())
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{
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TCPmsg msg = new TCPmsg(leftOver.toCharArray());
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SM.Debug("leftovers", "RX from leftOver:"+msg.allData);
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if(msg.allData.contains("#92#"))
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prioritizePongReceived();
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msgList.add(msg);
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leftOver ="";
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FinishLeftOver =false;
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break;
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}
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else // we have more message in leftover
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{
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TCPmsg msg = new TCPmsg(leftOver.substring(0,messLen).toCharArray());
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SM.Debug("leftovers", "RX from leftOver:"+msg.allData);
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if(msg.allData.contains("#92#"))
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prioritizePongReceived();
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msgList.add(msg);
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leftOver = leftOver.substring(messLen,leftOver.length());
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}
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}
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else FinishLeftOver = false;
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}
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}
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catch (Exception e)
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{
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SM.Debug("leftovers", "Error on process leftover"+e.toString());
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}
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//end process leftover
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String data ="";
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n=0;
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//char[] buf = new char[1024];
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//n = recv.read(buf);
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byte[] buf = new byte[1024];
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// read data into buffer
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n = input.read(buf);
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//connection closed by server
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if(n==-1)
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{
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SM.Debug("TCP Client", "Connection closed by server!");
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soc.close();
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//previousConnectionWasUP = isConnectionUP;
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isConnectionUP = false;
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triggerTCPConnectionStateEvent();
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soc = null;
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break;
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}
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byte[] temp = new byte[n];
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for(int i=0;i<n;i++) temp[i] = buf[i];
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//String data =new String(temp);
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// decryptData
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temp = decryptTEA(temp);
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data = new String(temp);
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//if we have any leftovers from previous message add them
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if(leftOver.length()>1) // avoid case with only one #
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{
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data = leftOver+data;
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leftOver = "";
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}
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//search for overflow message
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String[] tempArr = data.split("#");
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if ((tempArr.length == 0) || (tempArr.length == 1))
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{
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SM.Debug("TCP Client", "incorect messagebuss message=" + data);
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continue;
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}
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//get msg len
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// for(int i=0;i<tempArr.length;i++)
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// SM.Debug("I:"+i+" tempArr[i]:"+tempArr[i]);
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int messLen;
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try {
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messLen = Integer.parseInt(tempArr[1]);
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} catch (Exception e) {
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SM.Debug("TCP Client", "incorect msg len =" + tempArr[1]);
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continue;
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}
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//messLen not int
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if(messLen == -1)
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{
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//SM.Debug("messLen not int=" + messLen +" tempArr[1]:" +tempArr[1]);
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continue;
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}
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char[] temMSG = data.toCharArray();
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//SM.Debug("MessLen:"+messLen+" Data len:"+data.length()+"IF:"+(data.length() != messLen));
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if (data.length() != messLen)
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{
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//if expected string message is smaller then actual string then exit processing;
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if(messLen>data.length())
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//if(messLen>n)
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{
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//SM.Debug("duda","messLen=" + messLen +" data.length():" +data.length()+"n:"+n);
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leftOver = data; // Add by bigu
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continue;
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}
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//perform cut
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//SM.Debug("We got leftover ....message length("+messLen+") != actual length("+data.length()+")");
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temMSG = data.substring(0,messLen).toCharArray();
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//SM.Debug("temMSG:"+temMSG.toString());
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leftOver = data.substring(messLen,data.length());
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//SM.Debug("leftOver:"+leftOver);
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//leftOver = data.substring(messLen,n);
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//SM.Debug("left over string:"+leftOver);
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}
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//decode TCP msg
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TCPmsg msg = new TCPmsg(temMSG);
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SM.Debug("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> RX <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>", msg.allData);
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if(msg.allData.contains("#92#"))
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prioritizePongReceived();
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msgList.add(msg);
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}
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catch(Exception ex)
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{
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SM.Debug("TCPHandler", "TCPhandler/run/break:"+ex.toString());
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//previousConnectionWasUP = isConnectionUP;
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isConnectionUP = false;
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triggerTCPConnectionStateEvent();
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}
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}//while(connOK)
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//
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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SM.Debug("TCPhandler Crash2 on sleep:"+e.toString());
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//previousConnectionWasUP = isConnectionUP;
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}
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//try to restart connection
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if(alive && isWiFiOn)
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RestartTCP();
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}//while(alive)
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SM.Debug("==================================");
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SM.Debug("TCP listenThread stoped!! alive = false");
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SM.Debug("==================================");
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}
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/**
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* Create a bypass in order to trigger the ping received event
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*/
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private void prioritizePongReceived() {
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TCPmsgParser._firePONGReceivedEvent();
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}
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/* Broadcast Received for WiFi Connect/Disconnect */
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public BroadcastReceiver mReceived = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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final String action = intent.getAction();
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SM.Debug("WIFI STATE", action);
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if(action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)){
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NetworkInfo info = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
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// close socket if the wifi is disconnecting or disconnected
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if(!info.isConnectedOrConnecting()) {
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closeSocket();
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isWiFiOn = false;
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}
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else
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isWiFiOn = true;
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}
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}
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};
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/** Send a message through the TCP Socket
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* @param seqID The messages's sequence ID (a number of order)
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* @param msg The messages which will be sent
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* @return True if the message was sent
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*/
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public boolean Write(String seqID, String msg)
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{
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try
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{
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/*
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if(writer != null)
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{
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String cmdok = "#" + seqID + msg;
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Integer tmp = cmdok.length() + 1;
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//SM.Debug("tmp:"+tmp);
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tmp += Integer.toString(tmp).length();// tmp.ToString().Length;
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if((tmp==10)||(tmp==100)||(tmp==1000)) tmp++;
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cmdok = "#" + Integer.toString(tmp) + cmdok;
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writer.write(encryptTEA(cmdok));
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writer.flush();
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SM.Debug("TX:"+encryptTEA(cmdok));
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return true;
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}*/
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if(output != null)
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{
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try {
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Thread.sleep(10);
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String cmdok = "#" + seqID + msg;
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Integer tmp = cmdok.length() + 1;
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//SM.Debug("tmp:"+tmp);
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tmp += Integer.toString(tmp).length();// tmp.ToString().Length;
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if((tmp==10)||(tmp==100)||(tmp==1000)) tmp++;
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cmdok = "#" + Integer.toString(tmp) + cmdok;
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byte[] mess = encryptTEA(cmdok);
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output.write(mess);
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output.flush();
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// show only notACK messages
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//if(mess[3] != 0x0C)
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SM.Debug(" ", new String(mess));
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return true;
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}
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catch (IOException e) {
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//e.printStackTrace();
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SM.Exception("TCPClient[Send]", e.toString());
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} catch (InterruptedException e) {
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SM.Exception("TCPClient[Send]", e.toString());
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} catch (NoSuchElementException e) {
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SM.Exception("TCPClient[Send]", e.toString());
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}
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}
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else
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{
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return false;
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}
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}
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catch (Exception e)
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{
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SM.Debug("TCPhandler Write Procedure:"+e.toString());
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}
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return false;
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}
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public void setConnectionIsDown() {
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if(input != null) {
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try {
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input.close();
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} catch (IOException e) {
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}
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finally {
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input = null;
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}
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}
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isConnectionUP = false;
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}
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/* Encrypt a string using an encryption algorithm,
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* in this case TEA */
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public static byte[] encryptTEA(String toEncryptData) {
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byte[] encryptedByteArray = new byte[]{};
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/*
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//encrypt message using TEA
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try {
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encryptedByteArray = TEA.encrypt(toEncryptData);
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} catch (UnsupportedEncodingException e) {
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SM.Exception("encryptTEA Exception(UEE): " + e.toString());
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} catch (IndexOutOfBoundsException e) {
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SM.Exception("encryptTEA Exception(IOoBE): " + e.toString());
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} catch (NullPointerException e) {
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SM.Exception("encryptTEA Exception(NPE): " + e.toString());
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}
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//*/
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// no encryption
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encryptedByteArray = toEncryptData.getBytes();
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return encryptedByteArray;
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}
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/* Decrypt a string using an encryption algorithm,
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* in this case TEA */
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public static byte[] decryptTEA(byte[] toDecryptData) {
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byte[] decryptedByteArray = new byte[]{};
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/*
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String sm = "";
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for(int i=0; i<toDecryptData.length; i++)
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sm+=toDecryptData[i] + " ";
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SM.Debug("DDDDDD: " + sm);
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//*/
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/*
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//decrypt message using TEA
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try {
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decryptedByteArray = TEA.decrypt(toDecryptData);
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} catch (UnsupportedEncodingException e) {
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SM.Exception("encryptTEA Exception(UEE): " + e.toString());
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} catch (IndexOutOfBoundsException e) {
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SM.Exception("encryptTEA Exception(IOoBE): " + e.toString());
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} catch (NullPointerException e) {
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SM.Exception("encryptTEA Exception(NPE): " + e.toString());
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}
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String sm = "";
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for(int i=0; i<decryptedByteArray.length; i++)
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sm+= (int)decryptedByteArray[i] + " ";
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//sm = new String(decryptedByteArray.toString());
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try {
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SM.Debug("##### " + new String(decryptedByteArray, "UTF-8"));
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} catch (UnsupportedEncodingException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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SM.Debug("DEcrypted: " + decryptedByteArray.toString());
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//*/
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// no decryption
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decryptedByteArray = toDecryptData;
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return decryptedByteArray;
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}
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public int getPort() {
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return port;
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}
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public void updateTCPparameters(String ip, String _port)
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{
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// stop socket
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try {
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if(soc != null)
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soc.close();
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} catch (IOException e1) {
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e1.printStackTrace();
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}
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serverHostname = ip;
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try
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{
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port = Integer.parseInt(_port);
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}
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catch (Exception e) {
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}
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finally
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{
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port = 13589;
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}
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}
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public void triggerTCPConnectionStateEvent() {
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if(!isConnectionUP)
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TCPmsgParser._fireTCPConnectionDownEvent(previousConnectionWasUP);
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else
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TCPmsgParser._fireTCPConnectionUpEvent(previousConnectionWasUP);
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}
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private void RestartTCP()
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{
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try
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{
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isConnectionUP = false;
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previousConnectionWasUP = false;
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SM.Debug("Restarting TCP...ip:"+serverHostname + ":" + port);
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soc = new Socket();
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soc.connect(new InetSocketAddress(serverHostname, port), 5000);
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input = new DataInputStream(soc.getInputStream());
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//input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
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//output stream
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output = new DataOutputStream(soc.getOutputStream());
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//recv= new BufferedReader(new InputStreamReader(soc.getInputStream()));
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//writer =new PrintWriter(soc.getOutputStream()) ;
|
||
if(soc !=null)
|
||
{
|
||
//previousConnectionWasUP = isConnectionUP;
|
||
isConnectionUP = true;
|
||
//triggerTCPConnectionStateEvent();
|
||
|
||
/*
|
||
//init connection
|
||
boolean res = Write("0.0", "#19#" + AppParams.crtRadio.ip + "&"
|
||
+ AppParams.crtRadio.id + "#");
|
||
if(res){
|
||
SM.Debug("Message (AirPadInit) sent to controller");
|
||
}else{
|
||
SM.Debug("Could not send message(AirPadInit)!!");
|
||
}
|
||
|
||
//get
|
||
res = Write("0.0", "#30#104#0#0#0#0#");
|
||
if(res){
|
||
SM.Debug("Message (GetSetZoneAndChannel) sent to app server zoneNR:"+0+ " channelNR:"+0);
|
||
}else{
|
||
SM.Debug("Could not send message(GetSetZoneAndChannel)!!!");
|
||
}
|
||
*/
|
||
//init audio
|
||
//AudioHandle.b_SendinitUDP = true;
|
||
}
|
||
|
||
}
|
||
catch (UnknownHostException e)
|
||
{
|
||
SM.Exception("RestartTCP break:"+e.toString());
|
||
isConnectionUP = false;
|
||
|
||
}
|
||
catch (IllegalArgumentException e)
|
||
{
|
||
SM.Debug("IllegalArgumentException", "RestartTCP break:"+e.toString());
|
||
}
|
||
catch (IOException e)
|
||
{
|
||
SM.Exception("RestartTCP break:"+e.toString());
|
||
isConnectionUP = false;
|
||
}
|
||
catch (NullPointerException e)
|
||
{
|
||
SM.Exception("RestartTCP break:"+e.toString());
|
||
isConnectionUP = false;
|
||
}
|
||
|
||
triggerTCPConnectionStateEvent();
|
||
}
|
||
|
||
public boolean isAlive() {
|
||
return alive;
|
||
}
|
||
|
||
public void setAlive(boolean alive) {
|
||
this.alive = alive;
|
||
}
|
||
|
||
/** close Socket when unReachable */
|
||
public void closeSocket() {
|
||
|
||
try {
|
||
input = null;
|
||
output = null;
|
||
if(soc!=null)
|
||
soc.close();
|
||
soc = null;
|
||
} catch (IOException e) {
|
||
e.printStackTrace();
|
||
}
|
||
}
|
||
|
||
|
||
public void Stop()
|
||
{
|
||
SM.Debug("Stopping TCP", "TCP Connection is stopping on " + AppParams.IP + ":" + port);
|
||
alive = false;
|
||
|
||
|
||
if(mReceived!= null)
|
||
try{ context.unregisterReceiver(mReceived); } catch(Exception ex) {/* receiver not registered //*/};
|
||
|
||
// stop thread
|
||
if(listenThread != null)
|
||
{
|
||
Thread moribund = listenThread;
|
||
listenThread = null;
|
||
moribund.interrupt();
|
||
}
|
||
|
||
|
||
if(input!=null)
|
||
{
|
||
try {
|
||
input.close();
|
||
input = null;
|
||
} catch (IOException e) {
|
||
e.printStackTrace();
|
||
}
|
||
}
|
||
|
||
if(output!=null)
|
||
{
|
||
try {
|
||
output.close();
|
||
output = null;
|
||
} catch (IOException e) {
|
||
e.printStackTrace();
|
||
}
|
||
}
|
||
|
||
if(soc !=null)
|
||
{
|
||
try {
|
||
soc.close();
|
||
soc = null;
|
||
}
|
||
catch (IOException e) {
|
||
SM.Exception("TCPClient[STOP]", "Stop break:"+e.toString());
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|