Avoid updating network stats after shutdown. (6341fcec) · Commits · e / os / android_frameworks_base

services/java/com/android/server/net/NetworkStatsService.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -212,6 +212,8 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		private final HandlerThread mHandlerThread;
		private final Handler mHandler;

		private boolean mSystemReady;

		public NetworkStatsService(
		Context context, INetworkManagementService networkManager, IAlarmManager alarmManager) {
		this(context, networkManager, alarmManager, NtpTrustedTime.getInstance(context),
		@@ -250,6 +252,8 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		}

		public void systemReady() {
		mSystemReady = true;

		if (!isBandwidthControlEnabled()) {
		Slog.w(TAG, "bandwidth controls disabled, unable to track stats");
		return;
		@@ -336,6 +340,8 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		mUidTagRecorder = null;

		mDevStatsCached = null;

		mSystemReady = false;
		}

		private void maybeUpgradeLegacyStatsLocked() {
		@@ -649,6 +655,7 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		* {@link NetworkIdentitySet}.
		*/
		private void updateIfacesLocked() {
		if (!mSystemReady) return;
		if (LOGV) Slog.v(TAG, "updateIfacesLocked()");

		// take one last stats snapshot before updating iface mapping. this
		@@ -737,7 +744,9 @@ public class NetworkStatsService extends INetworkStatsService.Stub {
		* {@link NetworkStatsHistory}.
		*/
		private void performPollLocked(int flags) {
		if (!mSystemReady) return;
		if (LOGV) Slog.v(TAG, "performPollLocked(flags=0x" + Integer.toHexString(flags) + ")");

		final long startRealtime = SystemClock.elapsedRealtime();

		final boolean persistNetwork = (flags & FLAG_PERSIST_NETWORK) != 0;