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package se.leap.bitmaskclient.tor;
/**
* Copyright (c) 2021 LEAP Encryption Access Project and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.util.Log;
import androidx.annotation.WorkerThread;
import org.torproject.jni.TorService;
import java.io.Closeable;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import se.leap.bitmaskclient.providersetup.ProviderAPI;
import static se.leap.bitmaskclient.base.utils.ConfigHelper.ensureNotOnMainThread;
public class TorServiceConnection implements Closeable {
private static final String TAG = TorServiceConnection.class.getSimpleName();
private final Context context;
private ServiceConnection serviceConnection;
private TorService torService;
@WorkerThread
public TorServiceConnection(Context context) throws InterruptedException, IllegalStateException {
this.context = context;
ensureNotOnMainThread(context);
initSynchronizedServiceConnection(context);
}
@Override
public void close() {
context.unbindService(serviceConnection);
}
private void initSynchronizedServiceConnection(final Context context) throws InterruptedException {
Log.d(TAG, "initSynchronizedServiceConnection");
final BlockingQueue<TorService> blockingQueue = new LinkedBlockingQueue<>(1);
this.serviceConnection = new ServiceConnection() {
volatile boolean mConnectedAtLeastOnce = false;
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
if (!mConnectedAtLeastOnce) {
mConnectedAtLeastOnce = true;
Log.d(TAG, "onServiceConnected");
try {
TorService.LocalBinder binder = (TorService.LocalBinder) service;
blockingQueue.put(binder.getService());
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
@Override
public void onServiceDisconnected(ComponentName name) {
torService = null;
}
};
Intent intent = new Intent(context, TorService.class);
context.bindService(intent, serviceConnection, Context.BIND_AUTO_CREATE);
torService = blockingQueue.take();
}
public TorService getService() {
return torService;
}
}
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