package se.leap.bitmaskclient.eip;

import android.content.Intent;
import android.net.VpnService;
import android.os.ParcelFileDescriptor;

import java.io.IOException;

public class VoidVpnService extends VpnService  {

    static final String TAG = VoidVpnService.class.getSimpleName();
    static ParcelFileDescriptor fd;

    static Thread thread;

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
	String action = intent != null ? intent.getAction() : "";
	if (action == Constants.START_BLOCKING_VPN_PROFILE) {
	    thread = new Thread(new Runnable() {
		    public void run() {
			Builder builder = new Builder();
			builder.setSession("Blocking until running");
			builder.addAddress("10.42.0.8",16);
			builder.addRoute("0.0.0.0", 1);
			builder.addRoute("192.168.1.0", 24);
			builder.addDnsServer("10.42.0.1");
			try {
			    fd = builder.establish();

			} catch (Exception e) {
			    e.printStackTrace();
			}
            android.util.Log.d(TAG, "VoidVpnService set up: fd = " + fd.toString());
		    }
        });
        thread.run();
    }
	return 0;
    }

    @Override
    public void onRevoke() {
        super.onRevoke();
        closeFd();
    }

    public static void stop() {
        if(thread != null)
            thread.interrupt();
        closeFd();
    }

    private static void closeFd() {
        try {
            if(fd != null) {
                android.util.Log.d(TAG, "VoidVpnService closing fd = " + fd.toString());
                fd.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}