Convert BatteryUsageStats to and from XML am: d82aa7e5c4 (a4a8ded0) · Commits · e / os / android_frameworks_base

core/java/android/os/AggregateBatteryConsumer.java

+43 −0

Original line number	Diff line number	Diff line
		@@ -17,7 +17,13 @@
		package android.os;

		import android.annotation.NonNull;
		import android.util.TypedXmlPullParser;
		import android.util.TypedXmlSerializer;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.IOException;
		import java.io.PrintWriter;

		/**
		@@ -72,6 +78,43 @@ public final class AggregateBatteryConsumer extends BatteryConsumer implements P
		return mConsumedPowerMah;
		}

		/** Serializes this object to XML */
		void writeToXml(TypedXmlSerializer serializer,
		@BatteryUsageStats.AggregateBatteryConsumerScope int scope) throws IOException {
		serializer.startTag(null, BatteryUsageStats.XML_TAG_AGGREGATE);
		serializer.attributeInt(null, BatteryUsageStats.XML_ATTR_SCOPE, scope);
		serializer.attributeDouble(null, BatteryUsageStats.XML_ATTR_POWER, mConsumedPowerMah);
		mPowerComponents.writeToXml(serializer);
		serializer.endTag(null, BatteryUsageStats.XML_TAG_AGGREGATE);
		}

		/** Parses an XML representation and populates the BatteryUsageStats builder */
		static void parseXml(TypedXmlPullParser parser, BatteryUsageStats.Builder builder)
		throws XmlPullParserException, IOException {
		final int scope = parser.getAttributeInt(null, BatteryUsageStats.XML_ATTR_SCOPE);
		final Builder consumerBuilder = builder.getAggregateBatteryConsumerBuilder(scope);

		int eventType = parser.getEventType();
		if (eventType != XmlPullParser.START_TAG \|\| !parser.getName().equals(
		BatteryUsageStats.XML_TAG_AGGREGATE)) {
		throw new XmlPullParserException("Invalid XML parser state");
		}

		consumerBuilder.setConsumedPower(
		parser.getAttributeDouble(null, BatteryUsageStats.XML_ATTR_POWER));

		while (!(eventType == XmlPullParser.END_TAG && parser.getName().equals(
		BatteryUsageStats.XML_TAG_AGGREGATE))
		&& eventType != XmlPullParser.END_DOCUMENT) {
		if (eventType == XmlPullParser.START_TAG) {
		if (parser.getName().equals(BatteryUsageStats.XML_TAG_POWER_COMPONENTS)) {
		PowerComponents.parseXml(parser, consumerBuilder.mPowerComponentsBuilder);
		}
		}
		eventType = parser.next();
		}
		}

		/**
		* Builder for DeviceBatteryConsumer.
		*/

core/java/android/os/BatteryUsageStats.java

+137 −0

Original line number	Diff line number	Diff line
		@@ -20,12 +20,18 @@ import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.util.Range;
		import android.util.SparseArray;
		import android.util.TypedXmlPullParser;
		import android.util.TypedXmlSerializer;
		import android.util.proto.ProtoOutputStream;

		import com.android.internal.os.BatteryStatsHistory;
		import com.android.internal.os.BatteryStatsHistoryIterator;
		import com.android.internal.os.PowerCalculator;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.IOException;
		import java.io.PrintWriter;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		@@ -78,6 +84,34 @@ public final class BatteryUsageStats implements Parcelable {

		private static final int STATSD_PULL_ATOM_MAX_BYTES = 45000;

		// XML tags and attributes for BatteryUsageStats persistence
		static final String XML_TAG_BATTERY_USAGE_STATS = "battery_usage_stats";
		static final String XML_TAG_AGGREGATE = "aggregate";
		static final String XML_TAG_UID = "uid";
		static final String XML_TAG_USER = "user";
		static final String XML_TAG_POWER_COMPONENTS = "power_components";
		static final String XML_TAG_COMPONENT = "component";
		static final String XML_TAG_CUSTOM_COMPONENT = "custom_component";
		static final String XML_ATTR_ID = "id";
		static final String XML_ATTR_UID = "uid";
		static final String XML_ATTR_USER_ID = "user_id";
		static final String XML_ATTR_SCOPE = "scope";
		static final String XML_ATTR_PREFIX_CUSTOM_COMPONENT = "custom_component_";
		static final String XML_ATTR_START_TIMESTAMP = "start_timestamp";
		static final String XML_ATTR_END_TIMESTAMP = "end_timestamp";
		static final String XML_ATTR_POWER = "power";
		static final String XML_ATTR_DURATION = "duration";
		static final String XML_ATTR_MODEL = "model";
		static final String XML_ATTR_BATTERY_CAPACITY = "battery_capacity";
		static final String XML_ATTR_DISCHARGE_PERCENT = "discharge_pct";
		static final String XML_ATTR_DISCHARGE_LOWER = "discharge_lower";
		static final String XML_ATTR_DISCHARGE_UPPER = "discharge_upper";
		static final String XML_ATTR_BATTERY_REMAINING = "battery_remaining";
		static final String XML_ATTR_CHARGE_REMAINING = "charge_remaining";
		static final String XML_ATTR_HIGHEST_DRAIN_PACKAGE = "highest_drain_package";
		static final String XML_ATTR_TIME_IN_FOREGROUND = "time_in_foreground";
		static final String XML_ATTR_TIME_IN_BACKGROUND = "time_in_background";

		private final int mDischargePercentage;
		private final double mBatteryCapacityMah;
		private final long mStatsStartTimestampMs;
		@@ -576,6 +610,109 @@ public final class BatteryUsageStats implements Parcelable {
		}
		}

		/** Serializes this object to XML */
		public void writeXml(TypedXmlSerializer serializer) throws IOException {
		serializer.startTag(null, XML_TAG_BATTERY_USAGE_STATS);

		for (int i = 0; i < mCustomPowerComponentNames.length; i++) {
		serializer.attribute(null, XML_ATTR_PREFIX_CUSTOM_COMPONENT + i,
		mCustomPowerComponentNames[i]);
		}

		serializer.attributeLong(null, XML_ATTR_START_TIMESTAMP, mStatsStartTimestampMs);
		serializer.attributeLong(null, XML_ATTR_END_TIMESTAMP, mStatsEndTimestampMs);
		serializer.attributeLong(null, XML_ATTR_DURATION, mStatsDurationMs);
		serializer.attributeDouble(null, XML_ATTR_BATTERY_CAPACITY, mBatteryCapacityMah);
		serializer.attributeInt(null, XML_ATTR_DISCHARGE_PERCENT, mDischargePercentage);
		serializer.attributeDouble(null, XML_ATTR_DISCHARGE_LOWER, mDischargedPowerLowerBound);
		serializer.attributeDouble(null, XML_ATTR_DISCHARGE_UPPER, mDischargedPowerUpperBound);
		serializer.attributeLong(null, XML_ATTR_BATTERY_REMAINING, mBatteryTimeRemainingMs);
		serializer.attributeLong(null, XML_ATTR_CHARGE_REMAINING, mChargeTimeRemainingMs);

		for (int scope = 0; scope < BatteryUsageStats.AGGREGATE_BATTERY_CONSUMER_SCOPE_COUNT;
		scope++) {
		mAggregateBatteryConsumers[scope].writeToXml(serializer, scope);
		}
		for (UidBatteryConsumer consumer : mUidBatteryConsumers) {
		consumer.writeToXml(serializer);
		}
		for (UserBatteryConsumer consumer : mUserBatteryConsumers) {
		consumer.writeToXml(serializer);
		}
		serializer.endTag(null, XML_TAG_BATTERY_USAGE_STATS);
		}

		/** Parses an XML representation of BatteryUsageStats */
		public static BatteryUsageStats createFromXml(TypedXmlPullParser parser)
		throws XmlPullParserException, IOException {
		Builder builder = null;
		int eventType = parser.getEventType();
		while (eventType != XmlPullParser.END_DOCUMENT) {
		if (eventType == XmlPullParser.START_TAG
		&& parser.getName().equals(XML_TAG_BATTERY_USAGE_STATS)) {
		List<String> customComponentNames = new ArrayList<>();
		int i = 0;
		while (true) {
		int index = parser.getAttributeIndex(null,
		XML_ATTR_PREFIX_CUSTOM_COMPONENT + i);
		if (index == -1) {
		break;
		}
		customComponentNames.add(parser.getAttributeValue(index));
		i++;
		}

		builder = new Builder(
		customComponentNames.toArray(new String[0]), true);

		builder.setStatsStartTimestamp(
		parser.getAttributeLong(null, XML_ATTR_START_TIMESTAMP));
		builder.setStatsEndTimestamp(
		parser.getAttributeLong(null, XML_ATTR_END_TIMESTAMP));
		builder.setStatsDuration(
		parser.getAttributeLong(null, XML_ATTR_DURATION));
		builder.setBatteryCapacity(
		parser.getAttributeDouble(null, XML_ATTR_BATTERY_CAPACITY));
		builder.setDischargePercentage(
		parser.getAttributeInt(null, XML_ATTR_DISCHARGE_PERCENT));
		builder.setDischargedPowerRange(
		parser.getAttributeDouble(null, XML_ATTR_DISCHARGE_LOWER),
		parser.getAttributeDouble(null, XML_ATTR_DISCHARGE_UPPER));
		builder.setBatteryTimeRemainingMs(
		parser.getAttributeLong(null, XML_ATTR_BATTERY_REMAINING));
		builder.setChargeTimeRemainingMs(
		parser.getAttributeLong(null, XML_ATTR_CHARGE_REMAINING));

		eventType = parser.next();
		break;
		}
		eventType = parser.next();
		}

		if (builder == null) {
		throw new XmlPullParserException("No root element");
		}

		while (eventType != XmlPullParser.END_DOCUMENT) {
		if (eventType == XmlPullParser.START_TAG) {
		switch (parser.getName()) {
		case XML_TAG_AGGREGATE:
		AggregateBatteryConsumer.parseXml(parser, builder);
		break;
		case XML_TAG_UID:
		UidBatteryConsumer.createFromXml(parser, builder);
		break;
		case XML_TAG_USER:
		UserBatteryConsumer.createFromXml(parser, builder);
		break;
		}
		}
		eventType = parser.next();
		}

		return builder.build();
		}

		/**
		* Builder for BatteryUsageStats.
		*/

core/java/android/os/PowerComponents.java

+122 −0

Original line number	Diff line number	Diff line
		@@ -19,10 +19,16 @@ import static android.os.BatteryConsumer.convertMahToDeciCoulombs;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.util.TypedXmlPullParser;
		import android.util.TypedXmlSerializer;
		import android.util.proto.ProtoOutputStream;

		import com.android.internal.os.PowerCalculator;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.IOException;
		import java.io.PrintWriter;
		import java.util.Arrays;

		@@ -302,6 +308,122 @@ class PowerComponents {
		return interestingData;
		}

		void writeToXml(TypedXmlSerializer serializer) throws IOException {
		serializer.startTag(null, BatteryUsageStats.XML_TAG_POWER_COMPONENTS);
		for (int componentId = 0; componentId < BatteryConsumer.POWER_COMPONENT_COUNT;
		componentId++) {
		final double powerMah = getConsumedPower(componentId);
		final long durationMs = getUsageDurationMillis(componentId);
		if (powerMah == 0 && durationMs == 0) {
		continue;
		}

		serializer.startTag(null, BatteryUsageStats.XML_TAG_COMPONENT);
		serializer.attributeInt(null, BatteryUsageStats.XML_ATTR_ID, componentId);
		if (powerMah != 0) {
		serializer.attributeDouble(null, BatteryUsageStats.XML_ATTR_POWER, powerMah);
		}
		if (durationMs != 0) {
		serializer.attributeLong(null, BatteryUsageStats.XML_ATTR_DURATION, durationMs);
		}
		if (mPowerModels != null) {
		serializer.attributeInt(null, BatteryUsageStats.XML_ATTR_MODEL,
		mPowerModels[componentId]);
		}
		serializer.endTag(null, BatteryUsageStats.XML_TAG_COMPONENT);
		}

		final int customComponentEnd =
		BatteryConsumer.FIRST_CUSTOM_POWER_COMPONENT_ID + mCustomPowerComponentCount;
		for (int componentId = BatteryConsumer.FIRST_CUSTOM_POWER_COMPONENT_ID;
		componentId < customComponentEnd;
		componentId++) {
		final double powerMah = getConsumedPowerForCustomComponent(componentId);
		final long durationMs = getUsageDurationForCustomComponentMillis(componentId);
		if (powerMah == 0 && durationMs == 0) {
		continue;
		}

		serializer.startTag(null, BatteryUsageStats.XML_TAG_CUSTOM_COMPONENT);
		serializer.attributeInt(null, BatteryUsageStats.XML_ATTR_ID, componentId);
		if (powerMah != 0) {
		serializer.attributeDouble(null, BatteryUsageStats.XML_ATTR_POWER, powerMah);
		}
		if (durationMs != 0) {
		serializer.attributeLong(null, BatteryUsageStats.XML_ATTR_DURATION, durationMs);
		}
		serializer.endTag(null, BatteryUsageStats.XML_TAG_CUSTOM_COMPONENT);
		}

		serializer.endTag(null, BatteryUsageStats.XML_TAG_POWER_COMPONENTS);
		}


		static void parseXml(TypedXmlPullParser parser, PowerComponents.Builder builder)
		throws XmlPullParserException, IOException {
		int eventType = parser.getEventType();
		if (eventType != XmlPullParser.START_TAG \|\| !parser.getName().equals(
		BatteryUsageStats.XML_TAG_POWER_COMPONENTS)) {
		throw new XmlPullParserException("Invalid XML parser state");
		}

		while (!(eventType == XmlPullParser.END_TAG && parser.getName().equals(
		BatteryUsageStats.XML_TAG_POWER_COMPONENTS))
		&& eventType != XmlPullParser.END_DOCUMENT) {
		if (eventType == XmlPullParser.START_TAG) {
		switch (parser.getName()) {
		case BatteryUsageStats.XML_TAG_COMPONENT: {
		int componentId = -1;
		double powerMah = 0;
		long durationMs = 0;
		int model = BatteryConsumer.POWER_MODEL_UNDEFINED;
		for (int i = 0; i < parser.getAttributeCount(); i++) {
		switch (parser.getAttributeName(i)) {
		case BatteryUsageStats.XML_ATTR_ID:
		componentId = parser.getAttributeInt(i);
		break;
		case BatteryUsageStats.XML_ATTR_POWER:
		powerMah = parser.getAttributeDouble(i);
		break;
		case BatteryUsageStats.XML_ATTR_DURATION:
		durationMs = parser.getAttributeLong(i);
		break;
		case BatteryUsageStats.XML_ATTR_MODEL:
		model = parser.getAttributeInt(i);
		break;
		}
		}
		builder.setConsumedPower(componentId, powerMah, model);
		builder.setUsageDurationMillis(componentId, durationMs);
		break;
		}
		case BatteryUsageStats.XML_TAG_CUSTOM_COMPONENT: {
		int componentId = -1;
		double powerMah = 0;
		long durationMs = 0;
		for (int i = 0; i < parser.getAttributeCount(); i++) {
		switch (parser.getAttributeName(i)) {
		case BatteryUsageStats.XML_ATTR_ID:
		componentId = parser.getAttributeInt(i);
		break;
		case BatteryUsageStats.XML_ATTR_POWER:
		powerMah = parser.getAttributeDouble(i);
		break;
		case BatteryUsageStats.XML_ATTR_DURATION:
		durationMs = parser.getAttributeLong(i);
		break;
		}
		}
		builder.setConsumedPowerForCustomComponent(componentId, powerMah);
		builder.setUsageDurationForCustomComponentMillis(componentId, durationMs);
		break;
		}
		}
		}
		eventType = parser.next();
		}
		}

		/**
		* Builder for PowerComponents.
		*/

core/java/android/os/UidBatteryConsumer.java

+57 −0

Original line number	Diff line number	Diff line
		@@ -20,9 +20,15 @@ import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.text.TextUtils;
		import android.util.TypedXmlPullParser;
		import android.util.TypedXmlSerializer;

		import com.android.internal.os.PowerCalculator;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.IOException;
		import java.io.PrintWriter;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		@@ -144,6 +150,57 @@ public final class UidBatteryConsumer extends BatteryConsumer implements Parcela
		return 0;
		}

		/** Serializes this object to XML */
		void writeToXml(TypedXmlSerializer serializer) throws IOException {
		if (getConsumedPower() == 0) {
		return;
		}

		serializer.startTag(null, BatteryUsageStats.XML_TAG_UID);
		serializer.attributeInt(null, BatteryUsageStats.XML_ATTR_UID, getUid());
		if (!TextUtils.isEmpty(mPackageWithHighestDrain)) {
		serializer.attribute(null, BatteryUsageStats.XML_ATTR_HIGHEST_DRAIN_PACKAGE,
		mPackageWithHighestDrain);
		}
		serializer.attributeLong(null, BatteryUsageStats.XML_ATTR_TIME_IN_FOREGROUND,
		mTimeInForegroundMs);
		serializer.attributeLong(null, BatteryUsageStats.XML_ATTR_TIME_IN_BACKGROUND,
		mTimeInBackgroundMs);
		mPowerComponents.writeToXml(serializer);
		serializer.endTag(null, BatteryUsageStats.XML_TAG_UID);
		}

		/** Parses an XML representation and populates the BatteryUsageStats builder */
		static void createFromXml(TypedXmlPullParser parser, BatteryUsageStats.Builder builder)
		throws XmlPullParserException, IOException {
		final int uid = parser.getAttributeInt(null, BatteryUsageStats.XML_ATTR_UID);
		final UidBatteryConsumer.Builder consumerBuilder =
		builder.getOrCreateUidBatteryConsumerBuilder(uid);

		int eventType = parser.getEventType();
		if (eventType != XmlPullParser.START_TAG
		\|\| !parser.getName().equals(BatteryUsageStats.XML_TAG_UID)) {
		throw new XmlPullParserException("Invalid XML parser state");
		}

		consumerBuilder.setPackageWithHighestDrain(
		parser.getAttributeValue(null, BatteryUsageStats.XML_ATTR_HIGHEST_DRAIN_PACKAGE));
		consumerBuilder.setTimeInStateMs(STATE_FOREGROUND,
		parser.getAttributeLong(null, BatteryUsageStats.XML_ATTR_TIME_IN_FOREGROUND));
		consumerBuilder.setTimeInStateMs(STATE_BACKGROUND,
		parser.getAttributeLong(null, BatteryUsageStats.XML_ATTR_TIME_IN_BACKGROUND));
		while (!(eventType == XmlPullParser.END_TAG
		&& parser.getName().equals(BatteryUsageStats.XML_TAG_UID))
		&& eventType != XmlPullParser.END_DOCUMENT) {
		if (eventType == XmlPullParser.START_TAG) {
		if (parser.getName().equals(BatteryUsageStats.XML_TAG_POWER_COMPONENTS)) {
		PowerComponents.parseXml(parser, consumerBuilder.mPowerComponentsBuilder);
		}
		}
		eventType = parser.next();
		}
		}

		/**
		* Builder for UidBatteryConsumer.
		*/

core/java/android/os/UserBatteryConsumer.java

+42 −0

Original line number	Diff line number	Diff line
		@@ -17,9 +17,15 @@
		package android.os;

		import android.annotation.NonNull;
		import android.util.TypedXmlPullParser;
		import android.util.TypedXmlSerializer;

		import com.android.internal.os.PowerCalculator;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.IOException;
		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.List;
		@@ -85,6 +91,42 @@ public class UserBatteryConsumer extends BatteryConsumer implements Parcelable {
		return 0;
		}

		/** Serializes this object to XML */
		void writeToXml(TypedXmlSerializer serializer) throws IOException {
		if (getConsumedPower() == 0) {
		return;
		}

		serializer.startTag(null, BatteryUsageStats.XML_TAG_USER);
		serializer.attributeInt(null, BatteryUsageStats.XML_ATTR_USER_ID, getUserId());
		mPowerComponents.writeToXml(serializer);
		serializer.endTag(null, BatteryUsageStats.XML_TAG_USER);
		}

		/** Parses an XML representation and populates the BatteryUsageStats builder */
		static void createFromXml(TypedXmlPullParser parser, BatteryUsageStats.Builder builder)
		throws XmlPullParserException, IOException {
		final int userId = parser.getAttributeInt(null, BatteryUsageStats.XML_ATTR_USER_ID);
		final UserBatteryConsumer.Builder consumerBuilder =
		builder.getOrCreateUserBatteryConsumerBuilder(userId);

		int eventType = parser.getEventType();
		if (eventType != XmlPullParser.START_TAG
		\|\| !parser.getName().equals(BatteryUsageStats.XML_TAG_USER)) {
		throw new XmlPullParserException("Invalid XML parser state");
		}
		while (!(eventType == XmlPullParser.END_TAG
		&& parser.getName().equals(BatteryUsageStats.XML_TAG_USER))
		&& eventType != XmlPullParser.END_DOCUMENT) {
		if (eventType == XmlPullParser.START_TAG) {
		if (parser.getName().equals(BatteryUsageStats.XML_TAG_POWER_COMPONENTS)) {
		PowerComponents.parseXml(parser, consumerBuilder.mPowerComponentsBuilder);
		}
		}
		eventType = parser.next();
		}
		}

		/**
		* Builder for UserBatteryConsumer.
		*/