Merge "Rebind ContentCaptureService when the binderDied." into sc-v2-dev (159b8a50) · Commits · e / os / android_frameworks_base

services/contentcapture/java/com/android/server/contentcapture/ContentCaptureManagerService.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -223,7 +223,7 @@ public final class ContentCaptureManagerService extends
		@Override // from AbstractMasterSystemService
		protected ContentCapturePerUserService newServiceLocked(@UserIdInt int resolvedUserId,
		boolean disabled) {
		return new ContentCapturePerUserService(this, mLock, disabled, resolvedUserId);
		return new ContentCapturePerUserService(this, mLock, disabled, resolvedUserId, mHandler);
		}

		@Override // from SystemService

services/contentcapture/java/com/android/server/contentcapture/ContentCapturePerUserService.java

+55 −6

Original line number	Diff line number	Diff line
		@@ -46,6 +46,7 @@ import android.content.pm.PackageManager.NameNotFoundException;
		import android.content.pm.ServiceInfo;
		import android.os.Binder;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.UserHandle;
		import android.provider.Settings;
		@@ -75,6 +76,7 @@ import com.android.server.contentcapture.RemoteContentCaptureService.ContentCapt
		import com.android.server.infra.AbstractPerUserSystemService;

		import java.io.PrintWriter;
		import java.time.Instant;
		import java.util.ArrayList;
		import java.util.List;

		@@ -88,6 +90,10 @@ final class ContentCapturePerUserService

		private static final String TAG = ContentCapturePerUserService.class.getSimpleName();

		private static final int MAX_REBIND_COUNTS = 5;
		// 5 minutes
		private static final long REBIND_DURATION_MS = 5 * 60 * 1_000;

		@GuardedBy("mLock")
		private final SparseArray<ContentCaptureServerSession> mSessions = new SparseArray<>();

		@@ -121,11 +127,18 @@ final class ContentCapturePerUserService
		@GuardedBy("mLock")
		private ContentCaptureServiceInfo mInfo;

		private Instant mLastRebindTime;
		private int mRebindCount;
		private final Handler mHandler;

		private final Runnable mReBindServiceRunnable = new RebindServiceRunnable();

		// TODO(b/111276913): add mechanism to prune stale sessions, similar to Autofill's

		ContentCapturePerUserService(@NonNull ContentCaptureManagerService master,
		@NonNull Object lock, boolean disabled, @UserIdInt int userId) {
		@NonNull Object lock, boolean disabled, @UserIdInt int userId, Handler handler) {
		super(master, lock, userId);
		mHandler = handler;
		updateRemoteServiceLocked(disabled);
		}

		@@ -190,10 +203,44 @@ final class ContentCapturePerUserService
		Slog.w(TAG, "remote service died: " + service);
		synchronized (mLock) {
		mZombie = true;
		// Reset rebindCount if over 12 hours mLastRebindTime
		if (mLastRebindTime != null && Instant.now().isAfter(
		mLastRebindTime.plusMillis(12 * 60 * 60 * 1000))) {
		if (mMaster.debug) {
		Slog.i(TAG, "The current rebind count " + mRebindCount + " is reset.");
		}
		mRebindCount = 0;
		}
		if (mRebindCount >= MAX_REBIND_COUNTS) {
		writeServiceEvent(
		FrameworkStatsLog.CONTENT_CAPTURE_SERVICE_EVENTS__EVENT__ON_REMOTE_SERVICE_DIED,
		getServiceComponentName());
		}
		if (mRebindCount < MAX_REBIND_COUNTS) {
		mHandler.removeCallbacks(mReBindServiceRunnable);
		mHandler.postDelayed(mReBindServiceRunnable, REBIND_DURATION_MS);
		}
		}
		}

		private void updateRemoteServiceAndResurrectSessionsLocked() {
		boolean disabled = !isEnabledLocked();
		updateRemoteServiceLocked(disabled);
		resurrectSessionsLocked();
		}

		private final class RebindServiceRunnable implements Runnable{

		@Override
		public void run() {
		synchronized (mLock) {
		if (mZombie) {
		mLastRebindTime = Instant.now();
		mRebindCount++;
		updateRemoteServiceAndResurrectSessionsLocked();
		}
		}
		}
		}

		/**
		@@ -240,8 +287,8 @@ final class ContentCapturePerUserService
		}

		void onPackageUpdatedLocked() {
		updateRemoteServiceLocked(!isEnabledLocked());
		resurrectSessionsLocked();
		mRebindCount = 0;
		updateRemoteServiceAndResurrectSessionsLocked();
		}

		@GuardedBy("mLock")
		@@ -555,6 +602,8 @@ final class ContentCapturePerUserService
		mInfo.dump(prefix2, pw);
		}
		pw.print(prefix); pw.print("Zombie: "); pw.println(mZombie);
		pw.print(prefix); pw.print("Rebind count: "); pw.println(mRebindCount);
		pw.print(prefix); pw.print("Last rebind: "); pw.println(mLastRebindTime);

		if (mRemoteService != null) {
		pw.print(prefix); pw.println("remote service:");