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Commit 10b7c0c3 authored by jackqdyulei's avatar jackqdyulei
Browse files

Add code to handle anomaly config update 

Store a local version number in Settings. If new version comes,
upload config to StatsManager.

Bug: 72385333
Test: Will add robo test once robo framework is updated(b/73172999)
Change-Id: I03f5ee6f6e013746397d39b8d2b52ce587825b11
parent e1604d36

src/com/android/settings/fuelgauge/batterytip/AnomalyConfigReceiver.java

+37 −8
Original line number Diff line number Diff line
@@ -21,14 +21,12 @@ import android.app.StatsManager; 
import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.os.Process;

import android.os.StatsDimensionsValue;

import android.content.SharedPreferences;

import android.provider.Settings;

import android.util.Base64;

import android.util.Log;



import com.android.internal.annotations.VisibleForTesting;

import com.android.settings.fuelgauge.BatteryUtils;



import java.util.List;



/**

 * Receive broadcast when {@link StatsManager} restart, then check the anomaly config and
@@ -37,6 +35,9 @@ import java.util.List; 
public class AnomalyConfigReceiver extends BroadcastReceiver {

    private static final String TAG = "AnomalyConfigReceiver";

    private static final int REQUEST_CODE = 0;

    private static final String PREF_DB = "anomaly_pref";

    private static final String KEY_ANOMALY_CONFIG_VERSION = "anomaly_config_version";

    private static final int DEFAULT_VERSION = 0;



    @Override

    public void onReceive(Context context, Intent intent) {
@@ -44,9 +45,11 @@ public class AnomalyConfigReceiver extends BroadcastReceiver { 
                || Intent.ACTION_BOOT_COMPLETED.equals(intent.getAction())) {

            final StatsManager statsManager = context.getSystemService(StatsManager.class);



            //TODO(b/72385333): Check whether to update the config

            final Intent extraIntent = new Intent();

            extraIntent.setClass(context, AnomalyDetectionReceiver.class);

            // Check whether to update the config

            checkAnomalyConfig(context, statsManager);



            // Upload PendingIntent to StatsManager

            final Intent extraIntent = new Intent(context, AnomalyDetectionReceiver.class);

            final PendingIntent pendingIntent = PendingIntent.getBroadcast(context, REQUEST_CODE,

                    extraIntent, PendingIntent.FLAG_UPDATE_CURRENT);
@@ -62,4 +65,30 @@ public class AnomalyConfigReceiver extends BroadcastReceiver { 
        statsManager.setBroadcastSubscriber(StatsManagerConfig.ANOMALY_CONFIG_KEY,

                StatsManagerConfig.SUBSCRIBER_ID, pendingIntent);

    }



    private void checkAnomalyConfig(Context context, StatsManager statsManager) {

        final SharedPreferences sharedPreferences = context.getSharedPreferences(PREF_DB,

                Context.MODE_PRIVATE);

        final int currentVersion = sharedPreferences.getInt(KEY_ANOMALY_CONFIG_VERSION,

                DEFAULT_VERSION);

        final int newVersion = Settings.Global.getInt(context.getContentResolver(),

                Settings.Global.ANOMALY_CONFIG_VERSION, DEFAULT_VERSION);

        Log.i(TAG, "CurrentVersion: " + currentVersion + " new version: " + newVersion);



        if (newVersion > currentVersion) {

            final byte[] config = Base64.decode(

                    Settings.Global.getString(context.getContentResolver(),

                            Settings.Global.ANOMALY_CONFIG), Base64.DEFAULT);

            if (statsManager.addConfiguration(StatsManagerConfig.ANOMALY_CONFIG_KEY, config)) {

                Log.i(TAG, "Upload the anomaly config. configKey: "

                        + StatsManagerConfig.ANOMALY_CONFIG_KEY);

                SharedPreferences.Editor editor = sharedPreferences.edit();

                editor.putInt(KEY_ANOMALY_CONFIG_VERSION, newVersion);

                editor.apply();

            } else {

                Log.i(TAG, "Upload the anomaly config failed. configKey: "

                        + StatsManagerConfig.ANOMALY_CONFIG_KEY);

            }

        }

    }

}

src/com/android/settings/fuelgauge/batterytip/AnomalyDetectionReceiver.java

+1 −0
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ public class AnomalyDetectionReceiver extends BroadcastReceiver { 
        // The Example of intentDimsValue is: 35:{1:{1:{1:10013|}|}|}

        StatsDimensionsValue intentDimsValue =

                intent.getParcelableExtra(StatsManager.EXTRA_STATS_DIMENSIONS_VALUE);

        Log.i(TAG, "Extra stats value: " + intentDimsValue.toString());

        List<StatsDimensionsValue> intentTuple = intentDimsValue.getTupleValueList();



        if (!intentTuple.isEmpty()) {