Merge "Allow clients to register for listening to changes in capabilities."... (d7fa21b4) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManager.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -794,6 +794,9 @@ public class ActivityManager {
		/** @hide Flag for registerUidObserver: report uid cached state has changed. */
		public static final int UID_OBSERVER_CACHED = 1<<4;

		/** @hide Flag for registerUidObserver: report uid capability has changed. */
		public static final int UID_OBSERVER_CAPABILITY = 1<<5;

		/** @hide Mode for {@link IActivityManager#isAppStartModeDisabled}: normal free-to-run operation. */
		public static final int APP_START_MODE_NORMAL = 0;

core/proto/android/app/activitymanager.proto

+2 −0

Original line number	Diff line number	Diff line
		@@ -33,4 +33,6 @@ enum UidObserverFlag {
		UID_OBSERVER_FLAG_ACTIVE = 4;
		// report uid cached state has changed, original value is 1 << 4
		UID_OBSERVER_FLAG_CACHED = 5;
		// report uid capability has changed, original value is 1 << 5
		UID_OBSERVER_FLAG_CAPABILITY = 6;
		}

core/proto/android/server/activitymanagerservice.proto

+1 −0

Original line number	Diff line number	Diff line
		@@ -778,6 +778,7 @@ message UidRecordProto {
		CHANGE_ACTIVE = 2;
		CHANGE_CACHED = 3;
		CHANGE_UNCACHED = 4;
		CHANGE_CAPABILITY = 5;
		}
		repeated Change last_reported_changes = 8;
		optional int32 num_procs = 9;

services/core/java/com/android/server/am/OomAdjuster.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -1328,6 +1328,9 @@ public final class OomAdjuster {
		\|\| uidRec.getSetProcState() == PROCESS_STATE_NONEXISTENT) {
		uidChange \|= isCached ? UidRecord.CHANGE_CACHED : UidRecord.CHANGE_UNCACHED;
		}
		if (uidRec.getSetCapability() != uidRec.getCurCapability()) {
		uidChange \|= UidRecord.CHANGE_CAPABILITY;
		}
		uidRec.setSetProcState(uidRec.getCurProcState());
		uidRec.setSetCapability(uidRec.getCurCapability());
		uidRec.setSetAllowListed(uidRec.isCurAllowListed());

services/core/java/com/android/server/am/UidObserverController.java

+23 −11

Original line number	Diff line number	Diff line
		@@ -147,6 +147,9 @@ public class UidObserverController {
		if ((currentChange & UidRecord.CHANGE_GONE) != 0) {
		currentChange &= ~(UidRecord.CHANGE_ACTIVE \| UidRecord.CHANGE_CACHED);
		}
		if ((pendingChange & UidRecord.CHANGE_CAPABILITY) != 0) {
		currentChange \|= UidRecord.CHANGE_CAPABILITY;
		}
		return currentChange;
		}

		@@ -285,12 +288,9 @@ public class UidObserverController {
		reg.mLastProcStates.delete(item.uid);
		}
		} else {
		boolean doReport = false;
		if ((reg.mWhich & ActivityManager.UID_OBSERVER_PROCSTATE) != 0) {
		if (DEBUG_UID_OBSERVERS) {
		Slog.i(TAG_UID_OBSERVERS, "UID CHANGED uid=" + item.uid
		+ ": " + item.procState + ": " + item.capability);
		}
		boolean doReport = true;
		doReport = true;
		if (reg.mCutpoint >= ActivityManager.MIN_PROCESS_STATE) {
		final int lastState = reg.mLastProcStates.get(item.uid,
		ActivityManager.PROCESS_STATE_UNKNOWN);
		@@ -302,7 +302,15 @@ public class UidObserverController {
		doReport = item.procState != PROCESS_STATE_NONEXISTENT;
		}
		}
		}
		if ((reg.mWhich & ActivityManager.UID_OBSERVER_CAPABILITY) != 0) {
		doReport \|= (change & UidRecord.CHANGE_CAPABILITY) != 0;
		}
		if (doReport) {
		if (DEBUG_UID_OBSERVERS) {
		Slog.i(TAG_UID_OBSERVERS, "UID CHANGED uid=" + item.uid
		+ ": " + item.procState + ": " + item.capability);
		}
		if (reg.mLastProcStates != null) {
		reg.mLastProcStates.put(item.uid, item.procState);
		}
		@@ -310,7 +318,6 @@ public class UidObserverController {
		item.procStateSeq, item.capability);
		}
		}
		}
		final int duration = (int) (SystemClock.uptimeMillis() - start);
		if (reg.mMaxDispatchTime < duration) {
		reg.mMaxDispatchTime = duration;
		@@ -428,12 +435,14 @@ public class UidObserverController {
		ActivityManager.UID_OBSERVER_ACTIVE,
		ActivityManager.UID_OBSERVER_GONE,
		ActivityManager.UID_OBSERVER_PROCSTATE,
		ActivityManager.UID_OBSERVER_CAPABILITY,
		};
		private static final int[] PROTO_ENUMS = new int[]{
		ActivityManagerProto.UID_OBSERVER_FLAG_IDLE,
		ActivityManagerProto.UID_OBSERVER_FLAG_ACTIVE,
		ActivityManagerProto.UID_OBSERVER_FLAG_GONE,
		ActivityManagerProto.UID_OBSERVER_FLAG_PROCSTATE,
		ActivityManagerProto.UID_OBSERVER_FLAG_CAPABILITY,
		};

		UidObserverRegistration(int uid, @NonNull String pkg, int which, int cutpoint) {
		@@ -462,6 +471,9 @@ public class UidObserverController {
		if ((mWhich & ActivityManager.UID_OBSERVER_GONE) != 0) {
		pw.print(" GONE");
		}
		if ((mWhich & ActivityManager.UID_OBSERVER_CAPABILITY) != 0) {
		pw.print(" CAP");
		}
		if ((mWhich & ActivityManager.UID_OBSERVER_PROCSTATE) != 0) {
		pw.print(" STATE");
		pw.print(" (cut=");