Merge "Remove sanity check in UsageStatsDatabase." into qt-dev (eedf8687) · Commits · e / os / android_frameworks_base

services/usage/java/com/android/server/usage/UsageStatsDatabase.java

+2 −110

Original line number	Diff line number	Diff line
		@@ -17,7 +17,6 @@
		package com.android.server.usage;

		import android.app.usage.TimeSparseArray;
		import android.app.usage.UsageEvents;
		import android.app.usage.UsageStats;
		import android.app.usage.UsageStatsManager;
		import android.os.Build;
		@@ -94,12 +93,10 @@ public class UsageStatsDatabase {

		// Persist versioned backup files.
		// Should be false, except when testing new versions
		// STOPSHIP: b/111422946 this should be false on launch
		static final boolean KEEP_BACKUP_DIR = true;
		static final boolean KEEP_BACKUP_DIR = false;

		private static final String TAG = "UsageStatsDatabase";
		// STOPSHIP: b/111422946 this should be boolean DEBUG = UsageStatsService.DEBUG; on launch
		private static final boolean DEBUG = true;
		private static final boolean DEBUG = UsageStatsService.DEBUG;
		private static final String BAK_SUFFIX = ".bak";
		private static final String CHECKED_IN_SUFFIX = UsageStatsXml.CHECKED_IN_SUFFIX;
		private static final String RETENTION_LEN_KEY = "ro.usagestats.chooser.retention";
		@@ -872,111 +869,6 @@ public class UsageStatsDatabase {
		Slog.e(TAG, "UsageStatsDatabase", e);
		throw e;
		}
		// If old version, don't bother sanity checking
		if (version < 4) return;

		// STOPSHIP: b/111422946, b/115429334
		// Everything below this comment is sanity check against the new database version.
		// After the new version has soaked for some time the following should removed.
		// The goal of this check is to make sure the the ProtoInputStream is properly reading from
		// the UsageStats files.
		final StringBuilder sb = new StringBuilder();
		final int failureLogLimit = 10;
		int failures = 0;

		final int packagesSize = statsOut.packageStats.size();
		for (int i = 0; i < packagesSize; i++) {
		final UsageStats stat = statsOut.packageStats.valueAt(i);
		if (stat == null) {
		// ArrayMap may contain null values, skip them
		continue;
		}
		if (stat.mPackageName.isEmpty()) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnexpected empty usage stats package name loaded");
		}
		}
		if (stat.mBeginTimeStamp > statsOut.endTime) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnreasonable usage stats stat begin timestamp ");
		sb.append(stat.mBeginTimeStamp);
		sb.append(" loaded (beginTime : ");
		sb.append(statsOut.beginTime);
		sb.append(", endTime : ");
		sb.append(statsOut.endTime);
		sb.append(")");
		}
		}
		if (stat.mEndTimeStamp > statsOut.endTime) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnreasonable usage stats stat end timestamp ");
		sb.append(stat.mEndTimeStamp);
		sb.append(" loaded (beginTime : ");
		sb.append(statsOut.beginTime);
		sb.append(", endTime : ");
		sb.append(statsOut.endTime);
		sb.append(")");
		}
		}
		if (stat.mLastTimeUsed > statsOut.endTime) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnreasonable usage stats stat last used timestamp ");
		sb.append(stat.mLastTimeUsed);
		sb.append(" loaded (beginTime : ");
		sb.append(statsOut.beginTime);
		sb.append(", endTime : ");
		sb.append(statsOut.endTime);
		sb.append(")");
		}
		}
		}

		final int eventSize = statsOut.events.size();
		for (int i = 0; i < eventSize; i++) {
		final UsageEvents.Event event = statsOut.events.get(i);
		if (event.mPackage.isEmpty()) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnexpected empty empty package name loaded");
		}
		}
		if (event.mTimeStamp < statsOut.beginTime \|\| event.mTimeStamp > statsOut.endTime) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnexpected event timestamp ");
		sb.append(event.mTimeStamp);
		sb.append(" loaded (beginTime : ");
		sb.append(statsOut.beginTime);
		sb.append(", endTime : ");
		sb.append(statsOut.endTime);
		sb.append(")");
		}
		}
		if (event.mEventType < 0 \|\| event.mEventType > UsageEvents.Event.MAX_EVENT_TYPE) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnexpected event type ");
		sb.append(event.mEventType);
		sb.append(" loaded");
		}
		}
		if ((event.mFlags & ~UsageEvents.Event.VALID_FLAG_BITS) != 0) {
		if (failures++ < failureLogLimit) {
		sb.append("\nUnexpected event flag bit 0b");
		sb.append(Integer.toBinaryString(event.mFlags));
		sb.append(" loaded");
		}
		}
		}

		if (failures != 0) {
		if (failures > failureLogLimit) {
		sb.append("\nFailure log limited (");
		sb.append(failures);
		sb.append(" total failures found!)");
		}
		sb.append("\nError found in:\n");
		sb.append(file.getBaseFile().getAbsolutePath());
		sb.append("\nPlease go to b/115429334 to help root cause this issue");
		Slog.wtf(TAG, sb.toString());
		}
		}

		private void readLocked(InputStream in, IntervalStats statsOut) throws IOException {