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Code Issues Releases Wiki Activity

add frequent restart detection

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This commit is contained in:
Daniel Gultsch 2016-11-08 12:20:07 +01:00
parent 1a57599da2
commit bca8f11c9c
3 changed files with 38 additions and 3 deletions
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3
src/main/java/eu/siacs/conversations/Config.java
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@ -101,6 +101,9 @@ public final class Config {
public static final long MAM_MAX_CATCHUP = MILLISECONDS_IN_DAY / 2;
public static final int MAM_MAX_MESSAGES = 500;
public static final long FREQUENT_RESTARTS_DETECTION_WINDOW = 10 * 60 * 60 * 1000; // 10 hours
public static final long FREQUENT_RESTARTS_THRESHOLD = 10;
public static final ChatState DEFAULT_CHATSTATE = ChatState.ACTIVE;
public static final int TYPING_TIMEOUT = 8;

24
src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
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@ -54,7 +54,7 @@ public class DatabaseBackend extends SQLiteOpenHelper {
private static DatabaseBackend instance = null;
private static final String DATABASE_NAME = "history";
private static final int DATABASE_VERSION = 29;
private static final int DATABASE_VERSION = 30;
private static String CREATE_CONTATCS_STATEMENT = "create table "
+ Contact.TABLENAME + "(" + Contact.ACCOUNT + " TEXT, "
@ -139,6 +139,8 @@ public class DatabaseBackend extends SQLiteOpenHelper {
+ ") ON CONFLICT IGNORE"
+ ");";
private static String CREATE_START_TIMES_TABLE = "create table start_times (timestamp NUMBER);";
private DatabaseBackend(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@ -194,6 +196,7 @@ public class DatabaseBackend extends SQLiteOpenHelper {
db.execSQL(CREATE_SIGNED_PREKEYS_STATEMENT);
db.execSQL(CREATE_IDENTITIES_STATEMENT);
db.execSQL(CREATE_PRESENCE_TEMPLATES_STATEMENT);
db.execSQL(CREATE_START_TIMES_TABLE);
}
@Override
@ -338,6 +341,9 @@ public class DatabaseBackend extends SQLiteOpenHelper {
if (oldVersion < 29 && newVersion >= 29) {
db.execSQL("ALTER TABLE " + Message.TABLENAME + " ADD COLUMN " + Message.ERROR_MESSAGE + " TEXT");
}
if (oldVersion < 30 && newVersion >= 30) {
db.execSQL(CREATE_START_TIMES_TABLE);
}
}
private void canonicalizeJids(SQLiteDatabase db) {
@ -1222,4 +1228,20 @@ public class DatabaseBackend extends SQLiteOpenHelper {
SQLiteAxolotlStore.ACCOUNT + " = ?",
deleteArgs);
}
public boolean startTimeCountExceedsThreshold() {
SQLiteDatabase db = this.getWritableDatabase();
long cleanBeforeTimestamp = System.currentTimeMillis() - Config.FREQUENT_RESTARTS_DETECTION_WINDOW;
db.execSQL("delete from start_times where timestamp < "+cleanBeforeTimestamp);
ContentValues values = new ContentValues();
values.put("timestamp",System.currentTimeMillis());
db.insert("start_times",null,values);
String[] columns = new String[]{"count(timestamp)"};
Cursor cursor = db.query("start_times",columns,null,null,null,null,null);
if (cursor.moveToFirst()) {
return cursor.getInt(0) >= Config.FREQUENT_RESTARTS_THRESHOLD;
} else {
return false;
}
}
}

14
src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
View File

@ -864,6 +864,11 @@ public class XmppConnectionService extends Service {
this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
this.accounts = databaseBackend.getAccounts();
if (!keepForegroundService() && databaseBackend.startTimeCountExceedsThreshold()) {
getPreferences().edit().putBoolean("keep_foreground_service",true).commit();
Log.d(Config.LOGTAG,"number of restarts exceeds threshold. enabling foreground service");
}
restoreFromDatabase();
getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
@ -894,6 +899,7 @@ public class XmppConnectionService extends Service {
this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
toggleForegroundService();
updateUnreadCountBadge();
toggleScreenEventReceiver();
@ -940,17 +946,21 @@ public class XmppConnectionService extends Service {
}
public void toggleForegroundService() {
if (getPreferences().getBoolean("keep_foreground_service", false)) {
if (keepForegroundService()) {
startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
} else {
stopForeground(true);
}
}
private boolean keepForegroundService() {
return getPreferences().getBoolean("keep_foreground_service",false);
}
@Override
public void onTaskRemoved(final Intent rootIntent) {
super.onTaskRemoved(rootIntent);
if (!getPreferences().getBoolean("keep_foreground_service", false)) {
if (!keepForegroundService()) {
this.logoutAndSave(false);
} else {
Log.d(Config.LOGTAG,"ignoring onTaskRemoved because foreground service is activated");