Block network access in Low Power Standby (452ab99d) · Commits · e / os / android_frameworks_base

core/java/android/net/NetworkPolicyManager.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -176,6 +176,9 @@ public class NetworkPolicyManager {
		public static final int FOREGROUND_THRESHOLD_STATE =
		ActivityManager.PROCESS_STATE_BOUND_FOREGROUND_SERVICE;

		/** @hide */
		public static final int TOP_THRESHOLD_STATE = ActivityManager.PROCESS_STATE_BOUND_TOP;

		/**
		* {@link Intent} extra that indicates which {@link NetworkTemplate} rule it
		* applies to.
		@@ -246,6 +249,20 @@ public class NetworkPolicyManager {
		* @hide
		*/
		public static final int ALLOWED_REASON_RESTRICTED_MODE_PERMISSIONS = 1 << 4;
		/**
		* Flag to indicate that app is exempt from certain network restrictions because of it being
		* in the bound top or top procstate.
		*
		* @hide
		*/
		public static final int ALLOWED_REASON_TOP = 1 << 5;
		/**
		* Flag to indicate that app is exempt from low power standby restrictions because of it being
		* allowlisted.
		*
		* @hide
		*/
		public static final int ALLOWED_REASON_LOW_POWER_STANDBY_ALLOWLIST = 1 << 6;
		/**
		* Flag to indicate that app is exempt from certain metered network restrictions because user
		* explicitly exempted it.
		@@ -752,6 +769,14 @@ public class NetworkPolicyManager {
		\|\| (capability & ActivityManager.PROCESS_CAPABILITY_NETWORK) != 0;
		}

		/** @hide */
		public static boolean isProcStateAllowedWhileInLowPowerStandby(@Nullable UidState uidState) {
		if (uidState == null) {
		return false;
		}
		return uidState.procState <= TOP_THRESHOLD_STATE;
		}

		/**
		* Returns true if {@param procState} is considered foreground and as such will be allowed
		* to access network when the device is in data saver mode. Otherwise, false.

services/core/java/com/android/server/net/NetworkPolicyManagerInternal.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -91,4 +91,10 @@ public abstract class NetworkPolicyManagerInternal {
		*/
		public abstract void setMeteredRestrictedPackagesAsync(
		Set<String> packageNames, int userId);

		/** Informs that Low Power Standby has become active */
		public abstract void setLowPowerStandbyActive(boolean active);

		/** Informs that the Low Power Standby allowlist has changed */
		public abstract void setLowPowerStandbyAllowlist(int[] uids);
		}

services/core/java/com/android/server/net/NetworkPolicyManagerService.java

+196 −7

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services/core/java/com/android/server/power/LowPowerStandbyController.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ import com.android.internal.R;
		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.server.LocalServices;
		import com.android.server.net.NetworkPolicyManagerInternal;

		import java.io.PrintWriter;
		import java.util.Arrays;
		@@ -394,7 +395,11 @@ public final class LowPowerStandbyController {
		/** Notify other system components about the updated Low Power Standby active state */
		private void notifyActiveChanged(boolean active) {
		final PowerManagerInternal pmi = LocalServices.getService(PowerManagerInternal.class);
		final NetworkPolicyManagerInternal npmi = LocalServices.getService(
		NetworkPolicyManagerInternal.class);

		pmi.setLowPowerStandbyActive(active);
		npmi.setLowPowerStandbyActive(active);
		}

		@VisibleForTesting
		@@ -580,7 +585,10 @@ public final class LowPowerStandbyController {

		private void notifyAllowlistChanged(int[] allowlistUids) {
		final PowerManagerInternal pmi = LocalServices.getService(PowerManagerInternal.class);
		final NetworkPolicyManagerInternal npmi = LocalServices.getService(
		NetworkPolicyManagerInternal.class);
		pmi.setLowPowerStandbyAllowlist(allowlistUids);
		npmi.setLowPowerStandbyAllowlist(allowlistUids);
		}

		private final class LocalService extends LowPowerStandbyControllerInternal {

services/tests/servicestests/src/com/android/server/net/NetworkPolicyManagerServiceTest.java

+93 −44

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