Merge "Clean up temp AtomicFile files" into rvc-dev am: d97051473d (32774d47) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/notification/NotificationHistoryDatabase.java

+26 −17

Original line number	Diff line number	Diff line
		@@ -65,6 +65,7 @@ public class NotificationHistoryDatabase {
		private static final int HISTORY_RETENTION_DAYS = 1;
		private static final int HISTORY_RETENTION_MS = 24 * 60 * 60 * 1000;
		private static final long WRITE_BUFFER_INTERVAL_MS = 1000 * 60 * 20;
		private static final long INVALID_FILE_TIME_MS = -1;

		private static final String ACTION_HISTORY_DELETION =
		NotificationHistoryDatabase.class.getSimpleName() + ".CLEANUP";
		@@ -130,8 +131,8 @@ public class NotificationHistoryDatabase {
		}

		// Sort with newest files first
		Arrays.sort(files, (lhs, rhs) -> Long.compare(Long.parseLong(rhs.getName()),
		Long.parseLong(lhs.getName())));
		Arrays.sort(files, (lhs, rhs) -> Long.compare(safeParseLong(rhs.getName()),
		safeParseLong(lhs.getName())));

		for (File file : files) {
		mHistoryFiles.addLast(new AtomicFile(file));
		@@ -252,13 +253,13 @@ public class NotificationHistoryDatabase {

		for (int i = mHistoryFiles.size() - 1; i >= 0; i--) {
		final AtomicFile currentOldestFile = mHistoryFiles.get(i);
		try {
		final long creationTime = Long.parseLong(
		final long creationTime = safeParseLong(
		currentOldestFile.getBaseFile().getName());
		if (DEBUG) {
		Slog.d(TAG, "File " + currentOldestFile.getBaseFile().getName()
		+ " created on " + creationTime);
		}

		if (creationTime <= retentionBoundary.getTimeInMillis()) {
		deleteFile(currentOldestFile);
		} else {
		@@ -266,9 +267,6 @@ public class NotificationHistoryDatabase {
		scheduleDeletion(
		currentOldestFile.getBaseFile(), creationTime, retentionDays);
		}
		} catch (NumberFormatException e) {
		deleteFile(currentOldestFile);
		}
		}
		}
		}
		@@ -331,6 +329,17 @@ public class NotificationHistoryDatabase {
		}
		}

		private static long safeParseLong(String fileName) {
		// AtomicFile will create copies of the numeric files with ".new" and ".bak"
		// over the course of its processing. If these files still exist on boot we need to clean
		// them up
		try {
		return Long.parseLong(fileName);
		} catch (NumberFormatException e) {
		return INVALID_FILE_TIME_MS;
		}
		}

		private final BroadcastReceiver mFileCleaupReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {

services/tests/uiservicestests/src/com/android/server/notification/NotificationHistoryDatabaseTest.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -149,7 +149,7 @@ public class NotificationHistoryDatabaseTest extends UiServiceTestCase {
		}

		@Test
		public void testPrune_badFileName() {
		public void testPrune_badFileName_noCrash() {
		GregorianCalendar cal = new GregorianCalendar();
		cal.setTimeInMillis(10);
		int retainDays = 1;
		@@ -159,7 +159,7 @@ public class NotificationHistoryDatabaseTest extends UiServiceTestCase {
		// add 5 files with a creation date of "today", but the file names are bad
		for (long i = cal.getTimeInMillis(); i >= 5; i--) {
		File file = mock(File.class);
		when(file.getName()).thenReturn(i + ".txt");
		when(file.getName()).thenReturn(i + ".bak");
		AtomicFile af = new AtomicFile(file);
		mDataBase.mHistoryFiles.addLast(af);
		}