96 lines
2.8 KiB
Java
96 lines
2.8 KiB
Java
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package ve.ucv.ciens.ccg.nxtcam.network;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.net.InetAddress;
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import java.net.Socket;
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import ve.ucv.ciens.ccg.nxtcam.camera.CameraImageMonitor;
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import ve.ucv.ciens.ccg.nxtcam.utils.ProjectConstants;
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import android.util.Log;
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public class ImageTransferThread extends Thread{
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private final String TAG = "IM_THREAD";
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private final String CLASS_NAME = ImageTransferThread.class.getSimpleName();
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private boolean pause, done, connected;
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private Object threadPauseMonitor;
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private CameraImageMonitor camMonitor;
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private Socket socket;
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private BufferedWriter writer;
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private BufferedReader reader;
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private byte[] image;
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public ImageTransferThread(){
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pause = false;
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done = false;
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connected = false;
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threadPauseMonitor = new Object();
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socket = null;
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writer = null;
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reader = null;
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camMonitor = CameraImageMonitor.getInstance();
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}
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public void run(){
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if(!connected){
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Log.e(TAG, CLASS_NAME + ".run() :: Not connected to a server. Finishing thread.");
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}else{
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while(!done){
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checkPause();
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image = camMonitor.getImageData();
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// TODO: implement image transfer protocol.
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}
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}
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}
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public void connectToServer(String serverIp){
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try{
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if(ProjectConstants.DEBUG) Log.i(TAG, CLASS_NAME + ".connectToServer() :: Connecting to the server at " + serverIp);
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socket = new Socket(InetAddress.getByName(serverIp), ProjectConstants.SERVER_TCP_PORT_1);
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writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
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reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
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connected = true;
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if(ProjectConstants.DEBUG) Log.i(TAG, CLASS_NAME + ".connectToServer() :: Connection successful.");
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}catch(IOException io){
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Log.e(TAG, CLASS_NAME + ".connectToServer() :: Connection failed with message: " + io.getMessage());
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connected = false;
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}
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}
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public synchronized void finish(){
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done = true;
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if(ProjectConstants.DEBUG) Log.i(TAG, CLASS_NAME + ".finish() :: Finishing thread.");
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}
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private void checkPause(){
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synchronized (threadPauseMonitor){
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while(pause){
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if(ProjectConstants.DEBUG) Log.d(TAG, CLASS_NAME + ".checkPause() :: Pause requested.");
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try{ threadPauseMonitor.wait(); }catch(InterruptedException ie){}
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}
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}
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}
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public synchronized void pauseThread(){
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pause = true;
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if(ProjectConstants.DEBUG) Log.d(TAG, CLASS_NAME + ".pauseThread() :: Pausing thread.");
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}
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public synchronized void resumeThread(){
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if(ProjectConstants.DEBUG) Log.d(TAG, CLASS_NAME + ".resumeThread() :: Resuming thread.");
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synchronized (threadPauseMonitor) {
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pause = false;
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threadPauseMonitor.notifyAll();
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}
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}
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public boolean isConnected(){
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return connected;
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}
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}
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