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Commit 6eb9ca72 authored by Junyu Lai's avatar Junyu Lai Committed by Automerger Merge Worker
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Merge changes I3180050c,Ie393451e into rvc-dev am: 4f0fea0c am: 19ab21ca... 

Merge changes I3180050c,Ie393451e into rvc-dev am: 4f0fea0c am: 19ab21ca am: a534e650 am: 8c363778

Original change: undetermined

Change-Id: Ifdeb37e8a8684837d3a4ef8702bf0fe0042b302d
parents 56c87e8b 8c363778

services/core/java/com/android/server/stats/pull/StatsPullAtomService.java

+26 −29
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ package com.android.server.stats.pull; 
import static android.app.AppOpsManager.OP_FLAG_SELF;

import static android.app.AppOpsManager.OP_FLAG_TRUSTED_PROXIED;

import static android.app.usage.NetworkStatsManager.FLAG_AUGMENT_WITH_SUBSCRIPTION_PLAN;

import static android.app.usage.NetworkStatsManager.FLAG_POLL_FORCE;

import static android.app.usage.NetworkStatsManager.FLAG_POLL_ON_OPEN;

import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED;

import static android.content.pm.PermissionInfo.PROTECTION_DANGEROUS;

import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
@@ -243,11 +245,6 @@ public class StatsPullAtomService extends SystemService { 
    private static final String DANGEROUS_PERMISSION_STATE_SAMPLE_RATE =

            "dangerous_permission_state_sample_rate";



    private final Object mNetworkStatsLock = new Object();

    @GuardedBy("mNetworkStatsLock")

    @Nullable

    private INetworkStatsSession mNetworkStatsSession;



    private final Object mThermalLock = new Object();

    @GuardedBy("mThermalLock")

    private IThermalService mThermalService;
@@ -696,32 +693,26 @@ public class StatsPullAtomService extends SystemService { 
    /**

     * Return the {@code INetworkStatsSession} object that holds the necessary properties needed

     * for the subsequent queries to {@link com.android.server.net.NetworkStatsService}. Or

     * null if the service or binder cannot be obtained.

     * null if the service or binder cannot be obtained. Calling this method will trigger poll

     * in NetworkStatsService with once per 15 seconds rate-limit, unless {@code bypassRateLimit}

     * is set to true. This is needed in {@link #getUidNetworkStatsSnapshotForTemplate}, where

     * bypassing the limit is necessary for perfd to supply realtime stats to developers looking at

     * the network usage of their app.

     */

    @Nullable

    private INetworkStatsSession getNetworkStatsSession() {

        synchronized (mNetworkStatsLock) {

            if (mNetworkStatsSession != null) return mNetworkStatsSession;



    private INetworkStatsSession getNetworkStatsSession(boolean bypassRateLimit) {

        final INetworkStatsService networkStatsService =

                INetworkStatsService.Stub.asInterface(

                        ServiceManager.getService(Context.NETWORK_STATS_SERVICE));

        if (networkStatsService == null) return null;



        try {

                networkStatsService.asBinder().linkToDeath(() -> {

                    synchronized (mNetworkStatsLock) {

                        mNetworkStatsSession = null;

                    }

                }, /* flags */ 0);

                mNetworkStatsSession = networkStatsService.openSessionForUsageStats(

                        FLAG_AUGMENT_WITH_SUBSCRIPTION_PLAN, mContext.getOpPackageName());

            return networkStatsService.openSessionForUsageStats(

                    FLAG_AUGMENT_WITH_SUBSCRIPTION_PLAN | (bypassRateLimit ? FLAG_POLL_FORCE

                            : FLAG_POLL_ON_OPEN), mContext.getOpPackageName());

        } catch (RemoteException e) {

            Slog.e(TAG, "Cannot get NetworkStats session", e);

                mNetworkStatsSession = null;

            }



            return mNetworkStatsSession;

            return null;

        }

    }
@@ -1032,7 +1023,13 @@ public class StatsPullAtomService extends SystemService { 
        final long bucketDuration = Settings.Global.getLong(mContext.getContentResolver(),

                NETSTATS_UID_BUCKET_DURATION, NETSTATS_UID_DEFAULT_BUCKET_DURATION_MS);

        try {

            final NetworkStats stats = getNetworkStatsSession().getSummaryForAllUid(template,

            // TODO (b/156313635): This is short-term hack to allow perfd gets updated networkStats

            //  history when query in every second in order to show realtime statistics. However,

            //  this is not a good long-term solution since NetworkStatsService will make frequent

            //  I/O and also block main thread when polling.

            //  Consider making perfd queries NetworkStatsService directly.

            final NetworkStats stats = getNetworkStatsSession(template.getMatchRule()

                    == NetworkTemplate.MATCH_WIFI_WILDCARD).getSummaryForAllUid(template,

                    currentTimeInMillis - elapsedMillisSinceBoot - bucketDuration,

                    currentTimeInMillis, includeTags);

            return stats;