RollbackManager: Check for applied staged sessions on boot. (b2c5cacd) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/rollback/RollbackManagerService.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -44,4 +44,11 @@ public final class RollbackManagerService extends SystemService {
		public void onUnlockUser(int user) {
		mService.onUnlockUser(user);
		}

		@Override
		public void onBootPhase(int phase) {
		if (phase == SystemService.PHASE_BOOT_COMPLETED) {
		mService.onBootCompleted();
		}
		}
		}

+41 −0

Original line number	Diff line number	Diff line
		@@ -486,6 +486,47 @@ class RollbackManagerServiceImpl extends IRollbackManager.Stub {
		});
		}

		void onBootCompleted() {
		getHandler().post(() -> {
		// Check to see if any staged sessions with rollback enabled have
		// been applied.
		List<RollbackData> staged = new ArrayList<>();
		synchronized (mLock) {
		ensureRollbackDataLoadedLocked();
		for (RollbackData data : mAvailableRollbacks) {
		if (data.stagedSessionId != -1) {
		staged.add(data);
		}
		}
		}

		for (RollbackData data : staged) {
		PackageInstaller installer = mContext.getPackageManager().getPackageInstaller();
		PackageInstaller.SessionInfo session = installer.getSessionInfo(
		data.stagedSessionId);
		if (session != null) {
		if (session.isSessionApplied()) {
		synchronized (mLock) {
		data.isAvailable = true;
		}
		try {
		mRollbackStore.saveAvailableRollback(data);
		} catch (IOException ioe) {
		Log.e(TAG, "Unable to save rollback info for : "
		+ data.rollbackId, ioe);
		}
		} else if (session.isSessionFailed()) {
		// TODO: Do we need to remove this from
		// mAvailableRollbacks, or is it okay to leave as
		// unavailable until the next reboot when it will go
		// away on its own?
		mRollbackStore.deleteAvailableRollback(data);
		}
		}
		}
		});
		}

		/**
		* Load rollback data from storage if it has not already been loaded.
		* After calling this funciton, mAvailableRollbacks and