Merge changes I3180050c,Ie393451e into rvc-dev am: 4f0fea0c82 (19ab21ca) · Commits · e / os / android_frameworks_base

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;