am d1055a25: Make the NTP Cache max-age gservices-settable (88ccecf5) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -3332,6 +3332,14 @@ public final class Settings {
		*/
		public static final String THROTTLE_HELP_URI = "throttle_help_uri";

		/**
		* The length of time in Sec that we allow our notion of NTP time
		* to be cached before we refresh it
		* @hide
		*/
		public static final String THROTTLE_MAX_NTP_CACHE_AGE_SEC =
		"throttle_max_ntp_cache_age_sec";


		/**
		* @hide

services/java/com/android/server/ThrottleService.java

+10 −3

Original line number	Diff line number	Diff line
		@@ -197,6 +197,8 @@ public class ThrottleService extends IThrottleManager.Stub {
		Settings.Secure.THROTTLE_NOTIFICATION_TYPE), false, this);
		resolver.registerContentObserver(Settings.Secure.getUriFor(
		Settings.Secure.THROTTLE_HELP_URI), false, this);
		resolver.registerContentObserver(Settings.Secure.getUriFor(
		Settings.Secure.THROTTLE_MAX_NTP_CACHE_AGE_SEC), false, this);
		}

		@Override
		@@ -432,10 +434,13 @@ public class ThrottleService extends IThrottleManager.Stub {
		mPolicyNotificationsAllowedMask = Settings.Secure.getInt(mContext.getContentResolver(),
		Settings.Secure.THROTTLE_NOTIFICATION_TYPE, defaultNotificationType);

		mMaxNtpCacheAgeSec = Settings.Secure.getInt(mContext.getContentResolver(),
		Settings.Secure.THROTTLE_MAX_NTP_CACHE_AGE_SEC, MAX_NTP_CACHE_AGE_SEC);

		Slog.d(TAG, "onPolicyChanged testing=" + testing +", period=" + mPolicyPollPeriodSec +
		", threshold=" + mPolicyThreshold + ", value=" + mPolicyThrottleValue +
		", resetDay=" + mPolicyResetDay + ", noteType=" +
		mPolicyNotificationsAllowedMask);
		mPolicyNotificationsAllowedMask + ", maxNtpCacheAge=" + mMaxNtpCacheAgeSec);

		// force updates
		mThrottleIndex = THROTTLE_INDEX_UNINITIALIZED;
		@@ -715,8 +720,9 @@ public class ThrottleService extends IThrottleManager.Stub {
		getBestTime();
		}

		private static final int MAX_NTP_CACHE_AGE = 30 * 1000;
		private static final int MAX_NTP_CACHE_AGE_SEC = 60 * 60 * 24; // 1 day
		private static final int MAX_NTP_FETCH_WAIT = 10 * 1000;
		private int mMaxNtpCacheAgeSec = MAX_NTP_CACHE_AGE_SEC;
		private long cachedNtp;
		private long cachedNtpTimestamp;

		@@ -724,7 +730,7 @@ public class ThrottleService extends IThrottleManager.Stub {
		if (mNtpServer != null) {
		if (mNtpActive) {
		long ntpAge = SystemClock.elapsedRealtime() - cachedNtpTimestamp;
		if (ntpAge < MAX_NTP_CACHE_AGE) {
		if (ntpAge < mMaxNtpCacheAgeSec * 1000) {
		if (VDBG) Slog.v(TAG, "using cached time");
		return cachedNtp + ntpAge;
		}
		@@ -1091,6 +1097,7 @@ public class ThrottleService extends IThrottleManager.Stub {
		" seconds.");
		pw.println("Polling every " + mPolicyPollPeriodSec + " seconds");
		pw.println("Current Throttle Index is " + mThrottleIndex);
		pw.println("Max NTP Cache Age is " + mMaxNtpCacheAgeSec);

		for (int i = 0; i < mRecorder.getPeriodCount(); i++) {
		pw.println(" Period[" + i + "] - read:" + mRecorder.getPeriodRx(i) + ", written:" +