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package com.orbekk.discovery;
import java.net.DatagramPacket;
import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.widget.Toast;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.orbekk.same.ClientApp;
import com.orbekk.same.MasterApp;
public class SameService extends Service {
final static int PORT = 15066;
private Logger logger = LoggerFactory.getLogger(getClass());
private Thread discoveryThread = null;
public final class DiscoveryThread extends Thread {
Broadcast broadcast;
public DiscoveryThread() {
broadcast = new Broadcast(SameService.this);
}
@Override public void run() {
while (!Thread.interrupted()) {
byte[] data = new byte[1024];
DatagramPacket packet = broadcast.receiveBroadcast(PORT);
String content = new String(packet.getData(), 0, packet.getLength());
Message message = Message.obtain();
message.obj = content;
toastHandler.sendMessage(message);
}
}
@Override public void interrupt() {
super.interrupt();
broadcast.interrupt();
}
}
private Handler toastHandler = new Handler() {
@Override public void handleMessage(Message message) {
Toast.makeText(SameService.this,
(String)message.obj, Toast.LENGTH_SHORT)
.show();
logger.info("Display toast: {}", (String)message.obj);
}
};
private void createNetwork() {
if (discoveryThread == null) {
synchronized (this) {
discoveryThread = new DiscoveryThread();
discoveryThread.start();
}
}
new Thread() {
@Override public void run() {
new MasterApp().run(PORT+1);
}
}.start();
}
private void sendBroadcastDiscovery() {
byte[] data = "Discover".getBytes();
new Broadcast(this).sendBroadcast(data, PORT);
}
private void joinNetwork() {
sendBroadcastDiscovery();
new ClientApp().run(PORT+2, "ClientNetwork", null);
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Toast.makeText(this, "service start: " + intent.getAction(),
Toast.LENGTH_SHORT).show();
if (intent.getAction().equals("create")) {
createNetwork();
} else if (intent.getAction().equals("join")) {
joinNetwork();
}
return START_STICKY;
}
@Override
public void onDestroy() {
Toast.makeText(this, "service stopped", Toast.LENGTH_SHORT).show();
discoveryThread.interrupt();
}
}
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