brought restart threshold down to 8 times in 8h

src/main/java/eu/siacs/conversations/Config.java

@@ -101,8 +101,8 @@ 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 long FREQUENT_RESTARTS_DETECTION_WINDOW = 8 * 60 * 60 * 1000; // 10 hours
+	public static final long FREQUENT_RESTARTS_THRESHOLD = 8;
 
 	public static final ChatState DEFAULT_CHATSTATE = ChatState.ACTIVE;
 	public static final int TYPING_TIMEOUT = 8;

src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java

@@ -139,7 +139,9 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 			+ ") ON CONFLICT IGNORE"
 			+ ");";
 
-	private static String CREATE_START_TIMES_TABLE = "create table start_times (timestamp NUMBER);";
+	private static String START_TIMES_TABLE = "start_times";
+
+	private static String CREATE_START_TIMES_TABLE = "create table "+START_TIMES_TABLE+" (timestamp NUMBER);";
 
 	private DatabaseBackend(Context context) {
 		super(context, DATABASE_NAME, null, DATABASE_VERSION);
@@ -1232,16 +1234,24 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 	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);
+		db.execSQL("delete from "+START_TIMES_TABLE+" where timestamp < "+cleanBeforeTimestamp);
 		ContentValues values = new ContentValues();
 		values.put("timestamp",System.currentTimeMillis());
-		db.insert("start_times",null,values);
+		db.insert(START_TIMES_TABLE,null,values);
 		String[] columns = new String[]{"count(timestamp)"};
-		Cursor cursor = db.query("start_times",columns,null,null,null,null,null);
+		Cursor cursor = db.query(START_TIMES_TABLE,columns,null,null,null,null,null);
+		int count;
 		if (cursor.moveToFirst()) {
-			return cursor.getInt(0) >= Config.FREQUENT_RESTARTS_THRESHOLD;
+			count = cursor.getInt(0);
 		} else {
-			return false;
-		}
+			count = 0;
+		}
+		cursor.close();
+		return count >= Config.FREQUENT_RESTARTS_THRESHOLD;
+	}
+
+	public void clearStartTimeCounter() {
+		SQLiteDatabase db = this.getWritableDatabase();
+		db.execSQL("delete from "+START_TIMES_TABLE);
 	}
 }

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -3605,6 +3605,15 @@ public class XmppConnectionService extends Service {
 		conversation.setBookmark(bookmark);
 	}
 
+	public void clearStartTimeCounter() {
+		mDatabaseExecutor.execute(new Runnable() {
+			@Override
+			public void run() {
+				databaseBackend.clearStartTimeCounter();
+			}
+		});
+	}
+
 	public interface OnMamPreferencesFetched {
 		void onPreferencesFetched(Element prefs);
 		void onPreferencesFetchFailed();

src/main/java/eu/siacs/conversations/ui/SettingsActivity.java

@@ -249,6 +249,10 @@ public class SettingsActivity extends XmppActivity implements
 				}
 			}
 		} else if (name.equals("keep_foreground_service")) {
+			boolean foreground_service = preferences.getBoolean("keep_foreground_service",false);
+			if (!foreground_service) {
+				xmppConnectionService.clearStartTimeCounter();
+			}
 			xmppConnectionService.toggleForegroundService();
 		} else if (resendPresence.contains(name)) {
 			if (xmppConnectionServiceBound) {