Merge "Introduces class SignalStrengthController" (a1fa6fc8) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/GsmCdmaPhone.java

+17 −7

Original line number	Diff line number	Diff line
		@@ -308,6 +308,9 @@ public class GsmCdmaPhone extends Phone {
		.makeCarrierSignalAgent(this);
		mTransportManager = mTelephonyComponentFactory.inject(TransportManager.class.getName())
		.makeTransportManager(this);
		// SST/DSM depends on SSC, so SSC is instanced before SST/DSM
		mSignalStrengthController = mTelephonyComponentFactory.inject(
		SignalStrengthController.class.getName()).makeSignalStrengthController(this);
		mSST = mTelephonyComponentFactory.inject(ServiceStateTracker.class.getName())
		.makeServiceStateTracker(this, this.mCi);
		mEmergencyNumberTracker = mTelephonyComponentFactory
		@@ -656,6 +659,11 @@ public class GsmCdmaPhone extends Phone {
		return mDisplayInfoController;
		}

		@Override
		public SignalStrengthController getSignalStrengthController() {
		return mSignalStrengthController;
		}

		@Override
		public void updateVoiceMail() {
		if (isPhoneTypeGsm()) {
		@@ -4109,13 +4117,15 @@ public class GsmCdmaPhone extends Phone {
		@Override
		public void setSignalStrengthReportingCriteria(int signalStrengthMeasure,
		int[] systemThresholds, int ran, boolean isEnabledForSystem) {
		int[] consolidatedThresholds = mSST.getConsolidatedSignalThresholds(
		int[] consolidatedThresholds = mSignalStrengthController.getConsolidatedSignalThresholds(
		ran,
		signalStrengthMeasure,
		isEnabledForSystem && mSST.shouldHonorSystemThresholds() ? systemThresholds
		isEnabledForSystem && mSignalStrengthController.shouldHonorSystemThresholds()
		? systemThresholds
		: new int[]{},
		REPORTING_HYSTERESIS_DB);
		boolean isEnabledForAppRequest = mSST.shouldEnableSignalThresholdForAppRequest(
		boolean isEnabledForAppRequest =
		mSignalStrengthController.shouldEnableSignalThresholdForAppRequest(
		ran,
		signalStrengthMeasure,
		getSubId(),

src/java/com/android/internal/telephony/Phone.java

+20 −4

Original line number	Diff line number	Diff line
		@@ -66,6 +66,7 @@ import android.telephony.ims.RegistrationManager;
		import android.telephony.ims.stub.ImsRegistrationImplBase;
		import android.text.TextUtils;
		import android.util.LocalLog;
		import android.util.Log;
		import android.util.SparseArray;
		import android.util.Xml;

		@@ -342,6 +343,7 @@ public abstract class Phone extends Handler implements PhoneInternalInterface {
		protected DataEnabledSettings mDataEnabledSettings;
		// Used for identify the carrier of current subscription
		protected CarrierResolver mCarrierResolver;
		protected SignalStrengthController mSignalStrengthController;

		@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
		protected int mPhoneId;
		@@ -1898,6 +1900,14 @@ public abstract class Phone extends Handler implements PhoneInternalInterface {
		return null;
		}

		/**
		* Retrieves the SignalStrengthController of the phone instance.
		*/
		public SignalStrengthController getSignalStrengthController() {
		Log.wtf(LOG_TAG, "getSignalStrengthController return null.");
		return null;
		}

		/**
		* Update voice activation state
		*/
		@@ -4777,12 +4787,12 @@ public abstract class Phone extends Handler implements PhoneInternalInterface {
		* @param isIdle true if the new state is idle
		*/
		public void notifyDeviceIdleStateChanged(boolean isIdle) {
		ServiceStateTracker sst = getServiceStateTracker();
		if (sst == null) {
		Rlog.e(LOG_TAG, "notifyDeviceIdleStateChanged: SST is null");
		SignalStrengthController ssc = getSignalStrengthController();
		if (ssc == null) {
		Rlog.e(LOG_TAG, "notifyDeviceIdleStateChanged: SignalStrengthController is null");
		return;
		}
		sst.onDeviceIdleStateChanged(isIdle);
		ssc.onDeviceIdleStateChanged(isIdle);
		}

		/**
		@@ -4980,6 +4990,12 @@ public abstract class Phone extends Handler implements PhoneInternalInterface {
		pw.println("++++++++++++++++++++++++++++++++");
		}

		if (mSignalStrengthController != null) {
		pw.println("SignalStrengthController:");
		mSignalStrengthController.dump(fd, pw, args);
		pw.println("++++++++++++++++++++++++++++++++");
		}

		if (mTransportManager != null) {
		mTransportManager.dump(fd, pw, args);
		}

src/java/com/android/internal/telephony/ServiceStateTracker.java

+1 −276

Original line number	Diff line number	Diff line
		@@ -42,13 +42,11 @@ import android.os.AsyncResult;
		import android.os.BaseBundle;
		import android.os.Build;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Message;
		import android.os.Parcel;
		import android.os.PersistableBundle;
		import android.os.Registrant;
		import android.os.RegistrantList;
		import android.os.RemoteException;
		import android.os.SystemClock;
		import android.os.SystemProperties;
		import android.os.TimestampedValue;
		@@ -69,8 +67,6 @@ import android.telephony.CellIdentityNr;
		import android.telephony.CellIdentityTdscdma;
		import android.telephony.CellIdentityWcdma;
		import android.telephony.CellInfo;
		import android.telephony.CellSignalStrengthLte;
		import android.telephony.CellSignalStrengthNr;
		import android.telephony.DataSpecificRegistrationInfo;
		import android.telephony.NetworkRegistrationInfo;
		import android.telephony.PhysicalChannelConfig;
		@@ -78,8 +74,6 @@ import android.telephony.RadioAccessFamily;
		import android.telephony.ServiceState;
		import android.telephony.ServiceState.RilRadioTechnology;
		import android.telephony.SignalStrength;
		import android.telephony.SignalStrengthUpdateRequest;
		import android.telephony.SignalThresholdInfo;
		import android.telephony.SubscriptionInfo;
		import android.telephony.SubscriptionManager;
		import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
		@@ -129,11 +123,9 @@ import java.util.Arrays;
		import java.util.Collections;
		import java.util.Comparator;
		import java.util.HashSet;
		import java.util.Iterator;
		import java.util.LinkedList;
		import java.util.List;
		import java.util.Set;
		import java.util.TreeSet;
		import java.util.concurrent.TimeUnit;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;
		@@ -303,9 +295,6 @@ public class ServiceStateTracker extends Handler {
		protected static final int EVENT_CELL_LOCATION_RESPONSE = 56;
		protected static final int EVENT_CARRIER_CONFIG_CHANGED = 57;
		private static final int EVENT_POLL_STATE_REQUEST = 58;
		private static final int EVENT_SET_SIGNAL_STRENGTH_UPDATE_REQUEST = 59;
		private static final int EVENT_CLEAR_SIGNAL_STRENGTH_UPDATE_REQUEST = 60;
		private static final int EVENT_ON_DEVICE_IDLE_STATE_CHANGED = 61;
		// Timeout event used when delaying radio power off to wait for IMS deregistration to happen.
		private static final int EVENT_POWER_OFF_RADIO_IMS_DEREG_TIMEOUT = 62;

		@@ -650,8 +639,6 @@ public class ServiceStateTracker extends Handler {
		private final Object mRsrpBoostLock = new Object();
		private static final int INVALID_ARFCN = -1;

		private final List<SignalRequestRecord> mSignalRequestRecords = new ArrayList<>();

		/* Last known TAC/LAC */
		private int mLastKnownAreaCode = CellInfo.UNAVAILABLE;

		@@ -1769,75 +1756,6 @@ public class ServiceStateTracker extends Handler {
		pollStateInternal(false);
		break;

		case EVENT_SET_SIGNAL_STRENGTH_UPDATE_REQUEST: {
		Pair<SignalRequestRecord, Message> pair =
		(Pair<SignalRequestRecord, Message>) msg.obj;
		SignalRequestRecord record = pair.first;
		Message onCompleted = pair.second;
		AsyncResult ret = AsyncResult.forMessage(onCompleted);

		// TODO(b/177956310): Check subId to filter out old request until a better solution
		boolean dupRequest = mSignalRequestRecords.stream().anyMatch(
		srr -> srr.mCallingUid == record.mCallingUid
		&& srr.mSubId == record.mSubId);
		if (dupRequest) {
		ret.exception = new IllegalStateException(
		"setSignalStrengthUpdateRequest called again with same subId");
		onCompleted.sendToTarget();
		break;
		}

		try {
		record.mRequest.getLiveToken().linkToDeath(record, 0);
		} catch (RemoteException \| NullPointerException ex) {
		ret.exception = new IllegalStateException(
		"Signal request client is already dead.");
		onCompleted.sendToTarget();
		break;
		}

		mSignalRequestRecords.add(record);
		updateAlwaysReportSignalStrength();
		updateReportingCriteria(getCarrierConfig());

		onCompleted.sendToTarget();

		// Always poll signal strength after setting the update request which has waken up
		// modem if it was idle. An additional signal strength polling is almost cost free.
		obtainMessage(EVENT_POLL_SIGNAL_STRENGTH).sendToTarget();
		break;
		}

		case EVENT_CLEAR_SIGNAL_STRENGTH_UPDATE_REQUEST: {
		Pair<SignalRequestRecord, Message> pair =
		(Pair<SignalRequestRecord, Message>) msg.obj;
		SignalRequestRecord record = pair.first;
		Message onCompleted = pair.second;

		// for loop with removal may cause ConcurrentModificationException
		Iterator<SignalRequestRecord> it = mSignalRequestRecords.iterator();
		while (it.hasNext()) {
		SignalRequestRecord srr = it.next();
		if (srr.mRequest.getLiveToken().equals(record.mRequest.getLiveToken())) {
		it.remove();
		}
		}

		updateAlwaysReportSignalStrength();
		updateReportingCriteria(getCarrierConfig());

		if (onCompleted != null) {
		AsyncResult ret = AsyncResult.forMessage(onCompleted);
		onCompleted.sendToTarget();
		}
		break;
		}

		case EVENT_ON_DEVICE_IDLE_STATE_CHANGED: {
		updateReportingCriteria(getCarrierConfig());
		break;
		}

		case EVENT_POWER_OFF_RADIO_IMS_DEREG_TIMEOUT: {
		if (DBG) log("EVENT_POWER_OFF_RADIO_IMS_DEREG_TIMEOUT triggered");
		powerOffRadioSafely();
		@@ -5199,7 +5117,7 @@ public class ServiceStateTracker extends Handler {
		}

		updateArfcnLists(config);
		updateReportingCriteria(config);
		mPhone.getSignalStrengthController().updateReportingCriteria(config);
		updateOperatorNamePattern(config);
		mCdnr.updateEfFromCarrierConfig(config);
		mPhone.notifyCallForwardingIndicator();
		@@ -5236,52 +5154,6 @@ public class ServiceStateTracker extends Handler {
		}
		}

		private void updateReportingCriteria(PersistableBundle config) {
		int lteMeasurementEnabled = config.getInt(CarrierConfigManager
		.KEY_PARAMETERS_USED_FOR_LTE_SIGNAL_BAR_INT, CellSignalStrengthLte.USE_RSRP);
		mPhone.setSignalStrengthReportingCriteria(SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRP,
		config.getIntArray(CarrierConfigManager.KEY_LTE_RSRP_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.EUTRAN,
		(lteMeasurementEnabled & CellSignalStrengthLte.USE_RSRP) != 0);
		mPhone.setSignalStrengthReportingCriteria(SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSCP,
		config.getIntArray(CarrierConfigManager.KEY_WCDMA_RSCP_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.UTRAN, true);
		mPhone.setSignalStrengthReportingCriteria(SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSI,
		config.getIntArray(CarrierConfigManager.KEY_GSM_RSSI_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.GERAN, true);

		if (mPhone.getHalVersion().greaterOrEqual(RIL.RADIO_HAL_VERSION_1_5)) {
		mPhone.setSignalStrengthReportingCriteria(
		SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSRQ,
		config.getIntArray(CarrierConfigManager.KEY_LTE_RSRQ_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.EUTRAN,
		(lteMeasurementEnabled & CellSignalStrengthLte.USE_RSRQ) != 0);
		mPhone.setSignalStrengthReportingCriteria(
		SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_RSSNR,
		config.getIntArray(CarrierConfigManager.KEY_LTE_RSSNR_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.EUTRAN,
		(lteMeasurementEnabled & CellSignalStrengthLte.USE_RSSNR) != 0);

		int measurementEnabled = config.getInt(CarrierConfigManager
		.KEY_PARAMETERS_USE_FOR_5G_NR_SIGNAL_BAR_INT, CellSignalStrengthNr.USE_SSRSRP);
		mPhone.setSignalStrengthReportingCriteria(
		SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_SSRSRP,
		config.getIntArray(CarrierConfigManager.KEY_5G_NR_SSRSRP_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.NGRAN,
		(measurementEnabled & CellSignalStrengthNr.USE_SSRSRP) != 0);
		mPhone.setSignalStrengthReportingCriteria(
		SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_SSRSRQ,
		config.getIntArray(CarrierConfigManager.KEY_5G_NR_SSRSRQ_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.NGRAN,
		(measurementEnabled & CellSignalStrengthNr.USE_SSRSRQ) != 0);
		mPhone.setSignalStrengthReportingCriteria(
		SignalThresholdInfo.SIGNAL_MEASUREMENT_TYPE_SSSINR,
		config.getIntArray(CarrierConfigManager.KEY_5G_NR_SSSINR_THRESHOLDS_INT_ARRAY),
		AccessNetworkType.NGRAN,
		(measurementEnabled & CellSignalStrengthNr.USE_SSSINR) != 0);
		}
		}

		private void updateServiceStateArfcnRsrpBoost(ServiceState serviceState,
		CellIdentity cellIdentity) {
		int rsrpBoost = 0;
		@@ -6277,153 +6149,6 @@ public class ServiceStateTracker extends Handler {
		return values;
		}

		/**
		* Set a new request to update the signal strength thresholds.
		*/
		public void setSignalStrengthUpdateRequest(int subId, int callingUid,
		SignalStrengthUpdateRequest request, @NonNull Message onCompleted) {
		SignalRequestRecord record = new SignalRequestRecord(subId, callingUid, request);
		sendMessage(obtainMessage(EVENT_SET_SIGNAL_STRENGTH_UPDATE_REQUEST,
		new Pair<SignalRequestRecord, Message>(record, onCompleted)));
		}

		/**
		* Clear the previously set request.
		*/
		public void clearSignalStrengthUpdateRequest(int subId, int callingUid,
		SignalStrengthUpdateRequest request, @Nullable Message onCompleted) {
		SignalRequestRecord record = new SignalRequestRecord(subId, callingUid, request);
		sendMessage(obtainMessage(EVENT_CLEAR_SIGNAL_STRENGTH_UPDATE_REQUEST,
		new Pair<SignalRequestRecord, Message>(record, onCompleted)));
		}

		/**
		* Align all the qualified thresholds set from applications to the {@code systemThresholds}
		* and consolidate a new thresholds array, follow rules below:
		* 1. All threshold values (whose interval is guaranteed to be larger than hysteresis) in
		* {@code systemThresholds} will keep as it.
		* 2. Any threshold from apps that has interval less than hysteresis from any threshold in
		* {@code systemThresholds} will be removed.
		* 3. The target thresholds will be {@code systemThresholds} + all qualified thresholds from
		* apps, sorted in ascending order.
		*/
		int[] getConsolidatedSignalThresholds(int ran, int measurement,
		int[] systemThresholds, int hysteresis) {

		// TreeSet with comparator that will filter element with interval less than hysteresis
		// from any current element
		Set<Integer> target = new TreeSet<>((x, y) -> {
		if (y >= x - hysteresis && y <= x + hysteresis) {
		return 0;
		}
		return Integer.compare(x, y);
		});

		for (int systemThreshold : systemThresholds) {
		target.add(systemThreshold);
		}

		final boolean isDeviceIdle = mPhone.isDeviceIdle();
		final int curSubId = mPhone.getSubId();
		// The total number of record is small (10~15 tops). With each request has at most 5
		// SignalThresholdInfo which has at most 8 thresholds arrays. So the nested loop should
		// not be a concern here.
		for (SignalRequestRecord record : mSignalRequestRecords) {
		if (curSubId != record.mSubId
		\|\| (isDeviceIdle && !record.mRequest.isReportingRequestedWhileIdle())) {
		continue;
		}
		for (SignalThresholdInfo info : record.mRequest.getSignalThresholdInfos()) {
		if (isRanAndSignalMeasurementTypeMatch(ran, measurement, info)) {
		for (int appThreshold : info.getThresholds()) {
		target.add(appThreshold);
		}
		}
		}
		}

		int[] targetArray = new int[target.size()];
		int i = 0;
		for (int element : target) {
		targetArray[i++] = element;
		}
		return targetArray;
		}

		boolean shouldHonorSystemThresholds() {
		if (!mPhone.isDeviceIdle()) {
		return true;
		}

		final int curSubId = mPhone.getSubId();
		return mSignalRequestRecords.stream().anyMatch(
		srr -> curSubId == srr.mSubId
		&& srr.mRequest.isSystemThresholdReportingRequestedWhileIdle());
		}

		void onDeviceIdleStateChanged(boolean isDeviceIdle) {
		sendMessage(obtainMessage(EVENT_ON_DEVICE_IDLE_STATE_CHANGED, isDeviceIdle));
		}

		boolean shouldEnableSignalThresholdForAppRequest(
		@AccessNetworkConstants.RadioAccessNetworkType int ran,
		@SignalThresholdInfo.SignalMeasurementType int measurement,
		int subId,
		boolean isDeviceIdle) {
		for (SignalRequestRecord record : mSignalRequestRecords) {
		if (subId != record.mSubId) {
		continue;
		}
		for (SignalThresholdInfo info : record.mRequest.getSignalThresholdInfos()) {
		if (isRanAndSignalMeasurementTypeMatch(ran, measurement, info)
		&& (!isDeviceIdle \|\| isSignalReportRequestedWhileIdle(record.mRequest))) {
		return true;
		}
		}
		}
		return false;
		}

		private static boolean isRanAndSignalMeasurementTypeMatch(
		@AccessNetworkConstants.RadioAccessNetworkType int ran,
		@SignalThresholdInfo.SignalMeasurementType int measurement,
		SignalThresholdInfo info) {
		return ran == info.getRadioAccessNetworkType()
		&& measurement == info.getSignalMeasurementType();
		}

		private static boolean isSignalReportRequestedWhileIdle(SignalStrengthUpdateRequest request) {
		return request.isSystemThresholdReportingRequestedWhileIdle()
		\|\| request.isReportingRequestedWhileIdle();
		}

		private class SignalRequestRecord implements IBinder.DeathRecipient {
		final int mSubId; // subId the request originally applied to
		final int mCallingUid;
		final SignalStrengthUpdateRequest mRequest;

		SignalRequestRecord(int subId, int uid, @NonNull SignalStrengthUpdateRequest request) {
		this.mCallingUid = uid;
		this.mSubId = subId;
		this.mRequest = request;
		}

		@Override
		public void binderDied() {
		clearSignalStrengthUpdateRequest(mSubId, mCallingUid, mRequest, null /onCompleted/);
		}
		}

		private void updateAlwaysReportSignalStrength() {
		final int curSubId = mPhone.getSubId();
		boolean alwaysReport = mSignalRequestRecords.stream().anyMatch(
		srr -> srr.mSubId == curSubId && isSignalReportRequestedWhileIdle(srr.mRequest));

		// TODO(b/177924721): TM#setAlwaysReportSignalStrength will be removed and we will not
		// worry about unset flag which was set by other client.
		mPhone.setAlwaysReportSignalStrength(alwaysReport);
		}

		/**
		* Registers for TAC/LAC changed event.
		* @param h handler to notify

src/java/com/android/internal/telephony/SignalStrengthController.java

0 → 100644

+400 −0

File added.

Preview size limit exceeded, changes collapsed.

src/java/com/android/internal/telephony/TelephonyComponentFactory.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -445,6 +445,13 @@ public class TelephonyComponentFactory {
		return MultiSimSettingController.init(c, sc);
		}

		/**
		* Create a new SignalStrengthController instance.
		*/
		public SignalStrengthController makeSignalStrengthController(GsmCdmaPhone phone) {
		return new SignalStrengthController(phone);
		}

		public SubscriptionInfoUpdater makeSubscriptionInfoUpdater(Looper looper, Context context,
		SubscriptionController sc) {
		return new SubscriptionInfoUpdater(looper, context, sc);