Record instantaneous events to the Ledger. (037ebb89) · Commits · e / os / android_frameworks_base

apex/jobscheduler/service/java/com/android/server/tare/Agent.java

+39 −1

Original line number	Diff line number	Diff line
		@@ -18,10 +18,14 @@ package com.android.server.tare;

		import static com.android.server.tare.EconomicPolicy.REGULATION_BASIC_INCOME;
		import static com.android.server.tare.EconomicPolicy.REGULATION_BIRTHRIGHT;
		import static com.android.server.tare.EconomicPolicy.TYPE_ACTION;
		import static com.android.server.tare.EconomicPolicy.TYPE_REWARD;
		import static com.android.server.tare.EconomicPolicy.eventToString;
		import static com.android.server.tare.EconomicPolicy.getEventType;
		import static com.android.server.tare.TareUtils.narcToString;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.os.UserHandle;
		@@ -46,6 +50,7 @@ class Agent {
		private static final boolean DEBUG = InternalResourceService.DEBUG
		\|\| Log.isLoggable(TAG, Log.DEBUG);

		private final Object mLock;
		private final CompleteEconomicPolicy mCompleteEconomicPolicy;
		private final InternalResourceService mIrs;

		@@ -57,6 +62,7 @@ class Agent {

		Agent(@NonNull InternalResourceService irs,
		@NonNull CompleteEconomicPolicy completeEconomicPolicy) {
		mLock = irs.getLock();
		mIrs = irs;
		mCompleteEconomicPolicy = completeEconomicPolicy;
		}
		@@ -75,13 +81,45 @@ class Agent {

		/** Get an app's current balance, factoring in any currently ongoing events. */
		@GuardedBy("mLock")
		private long getBalanceLocked(final int userId, @NonNull final String pkgName) {
		long getBalanceLocked(final int userId, @NonNull final String pkgName) {
		final Ledger ledger = getLedgerLocked(userId, pkgName);
		long balance = ledger.getCurrentBalance();
		// TODO: add ongoing events
		return balance;
		}

		@GuardedBy("mLock")
		void noteInstantaneousEventLocked(final int userId, @NonNull final String pkgName,
		final int eventId, @Nullable String tag) {
		final long now = System.currentTimeMillis();
		final Ledger ledger = getLedgerLocked(userId, pkgName);

		final int eventType = getEventType(eventId);
		switch (eventType) {
		case TYPE_ACTION:
		final long actionCost =
		mCompleteEconomicPolicy.getCostOfAction(eventId, userId, pkgName);

		recordTransactionLocked(userId, pkgName, ledger,
		new Ledger.Transaction(now, now, eventId, tag, -actionCost));
		break;

		case TYPE_REWARD:
		final EconomicPolicy.Reward reward = mCompleteEconomicPolicy.getReward(eventId);
		if (reward != null) {
		final long rewardSum = ledger.get24HourSum(eventId, now);
		final long rewardVal = Math.max(0,
		Math.min(reward.maxDailyReward - rewardSum, reward.instantReward));
		recordTransactionLocked(userId, pkgName, ledger,
		new Ledger.Transaction(now, now, eventId, tag, rewardVal));
		}
		break;

		default:
		Slog.w(TAG, "Unsupported event type: " + eventType);
		}
		}

		@GuardedBy("mLock")
		private void recordTransactionLocked(final int userId, @NonNull final String pkgName,
		@NonNull Ledger ledger, @NonNull Ledger.Transaction transaction) {

apex/jobscheduler/service/java/com/android/server/tare/InternalResourceService.java

+4 −1

Original line number	Diff line number	Diff line
		@@ -233,7 +233,7 @@ public class InternalResourceService extends SystemService {
		synchronized (mLock) {
		final int newBatteryLevel = getCurrentBatteryLevel();
		if (newBatteryLevel > mCurrentBatteryLevel) {
		mAgent.distributeBasicIncomeLocked(mCurrentBatteryLevel);
		mAgent.distributeBasicIncomeLocked(newBatteryLevel);
		}
		mCurrentBatteryLevel = newBatteryLevel;
		}
		@@ -376,6 +376,9 @@ public class InternalResourceService extends SystemService {
		@Override
		public void noteInstantaneousEvent(int userId, @NonNull String pkgName, int eventId,
		@Nullable String tag) {
		synchronized (mLock) {
		mAgent.noteInstantaneousEventLocked(userId, pkgName, eventId, tag);
		}
		}

		@Override