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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package icn.forwarder.com.service;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.IBinder;
import android.util.Log;
import android.widget.EditText;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import icn.forwarder.com.forwarderandroid.ForwarderAndroidActivity;
import icn.forwarder.com.supportlibrary.Forwarder;
import icn.forwarder.com.utility.Constants;
import icn.forwarder.com.utility.ResourcesEnumerator;
public class ForwarderAndroidService extends Service {
private final static String TAG = "ForwarderService";
private static Thread sForwarderThread = null;
private EditText configurationEditText;
public ForwarderAndroidService() {
}
private String path;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Forwarder forwarder = Forwarder.getInstance();
if (!forwarder.isRunning()) {
Log.d(TAG, "Starting Forwarder");
SharedPreferences sharedPreferences = getSharedPreferences(Constants.FORWARDER_PREFERENCES, MODE_PRIVATE);
String configuration = sharedPreferences.getString(ResourcesEnumerator.CONFIGURATION.key(), Constants.DEFAULT_CONFIGURATION);
String sourceIp = sharedPreferences.getString(ResourcesEnumerator.SOURCE_IP.key(), null);
String sourcePort = sharedPreferences.getString(ResourcesEnumerator.SOURCE_PORT.key(), null);
String nextHopIp = sharedPreferences.getString(ResourcesEnumerator.NEXT_HOP_IP.key(), null);
String nextHopPort = sharedPreferences.getString(ResourcesEnumerator.NEXT_HOP_PORT.key(), null);
String prefix = sharedPreferences.getString(ResourcesEnumerator.PREFIX.key(), null);
configuration = configuration.replace(Constants.SOURCE_IP, sourceIp);
configuration = configuration.replace(Constants.SOURCE_PORT, sourcePort);
configuration = configuration.replace(Constants.NEXT_HOP_IP, nextHopIp);
configuration = configuration.replace(Constants.NEXT_HOP_PORT, nextHopPort);
configuration = configuration.replace(Constants.PREFIX, prefix);
try {
String configurationDir = getPackageManager().getPackageInfo(getPackageName(), 0).applicationInfo.dataDir +
File.separator + Constants.CONFIGURATION_PATH;
File folder = new File(configurationDir);
if (!folder.exists()) {
folder.mkdirs();
}
writeToFile(configuration, configurationDir + File.separator + Constants.CONFIGURATION_FILE_NAME);
Log.d(TAG, configurationDir + File.separator + Constants.CONFIGURATION_FILE_NAME);
startForwarder(intent, configurationDir + File.separator + Constants.CONFIGURATION_FILE_NAME);
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "Error Package name not found ", e);
}
} else {
Log.d(TAG, "Forwarder already running.");
}
return Service.START_STICKY;
}
@Override
public void onDestroy() {
Forwarder forwarder = Forwarder.getInstance();
Log.d(TAG, "Destroying Forwarder");
if (forwarder.isRunning()) {
forwarder.stop();
stopForeground(true);
}
super.onDestroy();
}
protected Runnable mForwarderRunner = new Runnable() {
//private String path;
@Override
public void run() {
Forwarder forwarder = Forwarder.getInstance();
forwarder.start(path);
}
};
private boolean writeToFile(String data, String path) {
Log.v(TAG, path + " " + data);
try (Writer writer = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(path), "utf-8"))) {
writer.write(data);
return true;
} catch (IOException e) {
Log.e(TAG, "File write failed: " + e.toString());
return false;
}
}
private void startForwarder(Intent intent, String path) {
String NOTIFICATION_CHANNEL_ID = "12345";
Notification.Builder notificationBuilder = null;
if (Build.VERSION.SDK_INT >= 26) {
notificationBuilder =
new Notification.Builder(this, NOTIFICATION_CHANNEL_ID);
} else {
notificationBuilder = new Notification.Builder(this);
}
Intent notificationIntent = new Intent(this, ForwarderAndroidActivity.class);
PendingIntent activity = PendingIntent.getActivity(this, 0, notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT);
notificationBuilder.setContentTitle("ForwarderAndroid").setContentText("ForwarderAndroid").setOngoing(true).setContentIntent(activity);
Notification notification = notificationBuilder.build();
if (Build.VERSION.SDK_INT >= 26) {
NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, "ForwarderAndroid", NotificationManager.IMPORTANCE_DEFAULT);
channel.setDescription("ForwarderAndroid");
NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.createNotificationChannel(channel);
}
startForeground(Constants.FOREGROUND_SERVICE, notification);
Forwarder forwarder = Forwarder.getInstance();
if (!forwarder.isRunning()) {
this.path = path;
sForwarderThread = new Thread(mForwarderRunner, "ForwarderRunner");
sForwarderThread.start();
}
Log.e(TAG, "ForwarderAndroid starterd");
}
}
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