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Code Issues Releases Wiki Activity

Serialize start intents

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Kindly borrowed from IntentService:
https://github.com/android/platform_frameworks_base/blob/master/core/java/android/app/IntentService.java
This commit is contained in:
M66B 2015-11-08 08:36:05 +01:00
parent c3514d69df
commit 5bbfd89f02
1 changed files with 78 additions and 54 deletions
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132
app/src/main/java/eu/faircode/netguard/SinkholeService.java
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@ -29,6 +29,10 @@ import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.VpnService;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.os.ParcelFileDescriptor;
import android.preference.PreferenceManager;
import android.support.v4.app.NotificationCompat;
@ -52,6 +56,9 @@ public class SinkholeService extends VpnService {
private boolean debug = false;
private Thread thread = null;
private volatile Looper mServiceLooper;
private volatile ServiceHandler mServiceHandler;
private static final int NOTIFY_FOREGROUND = 1;
private static final int NOTIFY_DISABLED = 2;
@ -59,64 +66,58 @@ public class SinkholeService extends VpnService {
private enum Command {start, reload, stop}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
private final class ServiceHandler extends Handler {
public ServiceHandler(Looper looper) {
super(looper);
}
// Get command
final Command cmd = (intent == null ? Command.start : (Command) intent.getSerializableExtra(EXTRA_COMMAND));
Log.i(TAG, "Start intent=" + intent + " command=" + cmd + " vpn=" + (vpn != null));
@Override
public void handleMessage(Message msg) {
Intent intent = (Intent) msg.obj;
Command cmd = (intent == null ? Command.start : (Command) intent.getSerializableExtra(EXTRA_COMMAND));
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(SinkholeService.this);
// Process command
new Thread(new Runnable() {
@Override
public void run() {
synchronized (SinkholeService.this) {
Log.i(TAG, "Executing command=" + cmd + " vpn=" + (vpn != null));
switch (cmd) {
case start:
if (prefs.getBoolean("foreground", false)) {
foreground = true;
startForeground(NOTIFY_FOREGROUND, getForegroundNotification());
}
if (vpn == null) {
last_roaming = Util.isRoaming(SinkholeService.this);
vpn = startVPN();
startDebug(vpn);
}
removeDisabledNotification();
Widget.updateWidgets(SinkholeService.this);
break;
case reload:
// Seamless handover
ParcelFileDescriptor prev = vpn;
vpn = startVPN();
stopDebug();
startDebug(vpn);
if (prev != null)
stopVPN(prev);
break;
case stop:
if (vpn != null) {
stopDebug();
stopVPN(vpn);
vpn = null;
}
if (foreground) {
foreground = false;
stopForeground(true);
}
Widget.updateWidgets(SinkholeService.this);
stopSelf();
break;
Log.i(TAG, "Executing command=" + cmd + " vpn=" + (vpn != null));
switch (cmd) {
case start:
if (prefs.getBoolean("foreground", false)) {
foreground = true;
startForeground(NOTIFY_FOREGROUND, getForegroundNotification());
}
}
}
}).start();
if (vpn == null) {
last_roaming = Util.isRoaming(SinkholeService.this);
vpn = startVPN();
startDebug(vpn);
}
removeDisabledNotification();
Widget.updateWidgets(SinkholeService.this);
break;
return START_STICKY;
case reload:
// Seamless handover
ParcelFileDescriptor prev = vpn;
vpn = startVPN();
stopDebug();
startDebug(vpn);
if (prev != null)
stopVPN(prev);
break;
case stop:
if (vpn != null) {
stopDebug();
stopVPN(vpn);
vpn = null;
}
if (foreground) {
foreground = false;
stopForeground(true);
}
Widget.updateWidgets(SinkholeService.this);
stopSelf();
break;
}
}
}
private ParcelFileDescriptor startVPN() {
@ -300,6 +301,12 @@ public class SinkholeService extends VpnService {
super.onCreate();
Log.i(TAG, "Create");
HandlerThread thread = new HandlerThread(getString(R.string.app_name));
thread.start();
mServiceLooper = thread.getLooper();
mServiceHandler = new ServiceHandler(mServiceLooper);
// Listen for interactive state changes
IntentFilter ifInteractive = new IntentFilter();
ifInteractive.addAction(Intent.ACTION_SCREEN_ON);
@ -318,6 +325,21 @@ public class SinkholeService extends VpnService {
registerReceiver(packageAddedReceiver, ifPackage);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
// Get command
final Command cmd = (intent == null ? Command.start : (Command) intent.getSerializableExtra(EXTRA_COMMAND));
Log.i(TAG, "Start intent=" + intent + " command=" + cmd + " vpn=" + (vpn != null));
// Queue command
Message msg = mServiceHandler.obtainMessage();
msg.arg1 = startId;
msg.obj = intent;
mServiceHandler.sendMessage(msg);
return START_STICKY;
}
@Override
public void onDestroy() {
Log.i(TAG, "Destroy");
@ -332,6 +354,8 @@ public class SinkholeService extends VpnService {
unregisterReceiver(connectivityChangedReceiver);
unregisterReceiver(packageAddedReceiver);
mServiceLooper.quit();
super.onDestroy();
}