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Commit 907f9e4e authored by Thomas Nguyen's avatar Thomas Nguyen
Browse files

Resolving NTN capability 

Bug: 287504843
Test: SMS, MMS, call with live network.
atest com.android.internal.telephony.ServiceStateTrackerTest
atest com.android.internal.telephony.satellite.NTNCapabilityResolverTest
atest com.android.internal.telephony.satellite.SatelliteControllerTest
atest com.android.internal.telephony.satellite.SatelliteSOSMessageRecommenderTest
atest android.telephony.cts.CarrierConfigManagerTest

Change-Id: Ifb3ee80b89ea5c2269f6591a1f42918265f7c92a
Merged-In: Ifb3ee80b89ea5c2269f6591a1f42918265f7c92a
parent 162107ff

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

+13 −0
Original line number Diff line number Diff line
@@ -97,6 +97,7 @@ import com.android.internal.telephony.data.DataNetworkController.DataNetworkCont 
import com.android.internal.telephony.imsphone.ImsPhone;

import com.android.internal.telephony.metrics.ServiceStateStats;

import com.android.internal.telephony.metrics.TelephonyMetrics;

import com.android.internal.telephony.satellite.NtnCapabilityResolver;

import com.android.internal.telephony.subscription.SubscriptionInfoInternal;

import com.android.internal.telephony.subscription.SubscriptionManagerService;

import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppState;
@@ -3425,6 +3426,7 @@ public class ServiceStateTracker extends Handler { 


        updateNrFrequencyRangeFromPhysicalChannelConfigs(mLastPhysicalChannelConfigList, mNewSS);

        updateNrStateFromPhysicalChannelConfigs(mLastPhysicalChannelConfigList, mNewSS);

        updateNtnCapability();



        if (TelephonyUtils.IS_DEBUGGABLE && mPhone.getTelephonyTester() != null) {

            mPhone.getTelephonyTester().overrideServiceState(mNewSS);
@@ -5554,6 +5556,17 @@ public class ServiceStateTracker extends Handler { 
        }

    }



    private void updateNtnCapability() {

        for (NetworkRegistrationInfo nri : mNewSS.getNetworkRegistrationInfoListForTransportType(

                AccessNetworkConstants.TRANSPORT_TYPE_WWAN)) {

            NtnCapabilityResolver.resolveNtnCapability(nri, mSubId);

            if (nri.isNonTerrestrialNetwork()) {

                // Replace the existing NRI with the updated NRI.

                mNewSS.addNetworkRegistrationInfo(nri);

            }

        }

    }



    /**

     * Check if device is non-roaming and always on home network.

     *

src/java/com/android/internal/telephony/satellite/NtnCapabilityResolver.java

0 → 100644
+59 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



package com.android.internal.telephony.satellite;



import android.annotation.NonNull;

import android.telephony.NetworkRegistrationInfo;

import android.telephony.Rlog;

import android.text.TextUtils;



import java.util.List;



/**

 * This utility class is responsible for resolving NTN capabilities of a

 * {@link NetworkRegistrationInfo}.

 */

public class NtnCapabilityResolver {

    private static final String TAG = "NtnCapabilityResolver";



    /**

     * Resolve NTN capability by updating the input NetworkRegistrationInfo to indicate whether

     * connecting to a non-terrestrial network and the available services supported by the network.

     *

     * @param networkRegistrationInfo The NetworkRegistrationInfo of a network.

     * @param subId The subscription ID associated with a phone.

     */

    public static void resolveNtnCapability(

            @NonNull NetworkRegistrationInfo networkRegistrationInfo, int subId) {

        SatelliteController satelliteController = SatelliteController.getInstance();

        List<String> satellitePlmnList = satelliteController.getSatellitePlmnList();

        String registeredPlmn = networkRegistrationInfo.getRegisteredPlmn();

        for (String satellitePlmn : satellitePlmnList) {

            if (TextUtils.equals(satellitePlmn, registeredPlmn)) {

                logd("Registered to satellite PLMN " + satellitePlmn);

                networkRegistrationInfo.setIsNonTerrestrialNetwork(true);

                networkRegistrationInfo.setAvailableServices(

                        satelliteController.getSupportedSatelliteServices(subId, satellitePlmn));

                break;

            }

        }

    }



    private static void logd(@NonNull String log) {

        Rlog.d(TAG, log);

    }

}

src/java/com/android/internal/telephony/satellite/SatelliteController.java

+162 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


package com.android.internal.telephony.satellite;



import android.annotation.ArrayRes;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.bluetooth.BluetoothAdapter;
@@ -25,6 +26,7 @@ import android.content.Context; 
import android.content.Intent;

import android.content.IntentFilter;

import android.content.SharedPreferences;

import android.content.res.Resources;

import android.database.ContentObserver;

import android.net.wifi.WifiManager;

import android.nfc.NfcAdapter;
@@ -34,15 +36,18 @@ import android.os.Build; 
import android.os.Bundle;

import android.os.CancellationSignal;

import android.os.Handler;

import android.os.HandlerExecutor;

import android.os.HandlerThread;

import android.os.IBinder;

import android.os.ICancellationSignal;

import android.os.Looper;

import android.os.Message;

import android.os.PersistableBundle;

import android.os.RemoteException;

import android.os.ResultReceiver;

import android.os.SystemProperties;

import android.provider.Settings;

import android.telephony.CarrierConfigManager;

import android.telephony.Rlog;

import android.telephony.SubscriptionManager;

import android.telephony.TelephonyManager;
@@ -54,8 +59,10 @@ import android.telephony.satellite.SatelliteCapabilities; 
import android.telephony.satellite.SatelliteDatagram;

import android.telephony.satellite.SatelliteManager;

import android.util.Log;

import android.util.SparseArray;

import android.uwb.UwbManager;



import com.android.internal.R;

import com.android.internal.annotations.GuardedBy;

import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.telephony.CommandsInterface;
@@ -64,10 +71,14 @@ import com.android.internal.telephony.Phone; 
import com.android.internal.telephony.satellite.metrics.ControllerMetricsStats;

import com.android.internal.telephony.satellite.metrics.ProvisionMetricsStats;

import com.android.internal.telephony.satellite.metrics.SessionMetricsStats;

import com.android.internal.telephony.subscription.SubscriptionManagerService;

import com.android.internal.util.FunctionalUtils;



import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.concurrent.ConcurrentHashMap;

import java.util.concurrent.atomic.AtomicBoolean;

import java.util.function.Consumer;
@@ -199,6 +210,22 @@ public class SatelliteController extends Handler { 
    private final Object mNeedsSatellitePointingLock = new Object();

    @GuardedBy("mNeedsSatellitePointingLock")

    private boolean mNeedsSatellitePointing = false;

    /** Key: subId, value: (key: PLMN, value: set of

     * {@link android.telephony.NetworkRegistrationInfo.ServiceType})

     */

    @GuardedBy("mSupportedSatelliteServicesLock")

    @NonNull private final Map<Integer, Map<String, Set<Integer>>> mSupportedSatelliteServices =

            new HashMap<>();

    @NonNull private final Object mSupportedSatelliteServicesLock = new Object();

    /** Key: PLMN, value: set of {@link android.telephony.NetworkRegistrationInfo.ServiceType} */

    @NonNull private final Map<String, Set<Integer>> mSatelliteServicesSupportedByProviders;

    @NonNull private final CarrierConfigManager mCarrierConfigManager;

    @NonNull private final CarrierConfigManager.CarrierConfigChangeListener

            mCarrierConfigChangeListener;

    @NonNull private final Object mCarrierConfigArrayLock = new Object();

    @GuardedBy("mCarrierConfigArrayLock")

    @NonNull private final SparseArray<PersistableBundle> mCarrierConfigArray = new SparseArray<>();

    @NonNull private final List<String> mSatellitePlmnList;



    /**

     * @return The singleton instance of SatelliteController.
@@ -266,6 +293,7 @@ public class SatelliteController extends Handler { 
        registerForPendingDatagramCount();

        registerForSatelliteModemStateChanged();

        mContentResolver = mContext.getContentResolver();

        mCarrierConfigManager = mContext.getSystemService(CarrierConfigManager.class);



        try {

            mSharedPreferences = mContext.getSharedPreferences(SATELLITE_SHARED_PREF,
@@ -287,6 +315,16 @@ public class SatelliteController extends Handler { 
                    Settings.Global.getUriFor(Settings.Global.SATELLITE_MODE_RADIOS),

                    false, satelliteModeRadiosContentObserver);

        }



        mSatelliteServicesSupportedByProviders = readSupportedSatelliteServicesFromOverlayConfig();

        mSatellitePlmnList =

                mSatelliteServicesSupportedByProviders.keySet().stream().toList();

        updateSupportedSatelliteServicesForActiveSubscriptions();

        mCarrierConfigChangeListener =

                (slotIndex, subId, carrierId, specificCarrierId) ->

                        handleCarrierConfigChanged(slotIndex, subId, carrierId, specificCarrierId);

        mCarrierConfigManager.registerCarrierConfigChangeListener(

                        new HandlerExecutor(new Handler(looper)), mCarrierConfigChangeListener);

    }



    @VisibleForTesting(visibility = VisibleForTesting.Visibility.PRIVATE)
@@ -1901,6 +1939,40 @@ public class SatelliteController extends Handler { 
        return (supported != null ? supported : false);

    }



    /**

     * @return The list of satellite PLMNs used for connecting to satellite networks.

     */

    @NonNull

    public List<String> getSatellitePlmnList() {

        return new ArrayList<>(mSatellitePlmnList);

    }



    /**

     * @param subId Subscription ID.

     * @param plmn The satellite roaming plmn.

     * @return The list of services supported by the carrier associated with the {@code subId} for

     * the satellite network {@code plmn}.

     */

    @NonNull

    public List<Integer> getSupportedSatelliteServices(int subId, String plmn) {

        synchronized (mSupportedSatelliteServicesLock) {

            if (mSupportedSatelliteServices.containsKey(subId)) {

                Map<String, Set<Integer>> supportedServices =

                        mSupportedSatelliteServices.get(subId);

                if (supportedServices != null && supportedServices.containsKey(plmn)) {

                    return new ArrayList<>(supportedServices.get(plmn));

                } else {

                    loge("getSupportedSatelliteServices: subId=" + subId + ", supportedServices "

                            + "does not contain key plmn=" + plmn);

                }

            } else {

                loge("getSupportedSatelliteServices: mSupportedSatelliteServices does contain key"

                        + " subId=" + subId);

            }

            return new ArrayList<>();

        }

    }



    /**

     * If we have not successfully queried the satellite modem for its satellite service support,

     * we will retry the query one more time. Otherwise, we will return the cached result.
@@ -2312,6 +2384,96 @@ public class SatelliteController extends Handler { 
        return (DEBUG || SystemProperties.getBoolean(ALLOW_MOCK_MODEM_PROPERTY, false));

    }



    private void updateSupportedSatelliteServicesForActiveSubscriptions() {

        synchronized (mSupportedSatelliteServicesLock) {

            mSupportedSatelliteServices.clear();

            int[] activeSubIds = SubscriptionManagerService.getInstance().getActiveSubIdList(true);

            if (activeSubIds != null) {

                for (int subId : activeSubIds) {

                    updateSupportedSatelliteServices(subId);

                }

            } else {

                loge("updateSupportedSatelliteServicesForActiveSubscriptions: "

                        + "activeSubIds is null");

            }

        }

    }



    private void updateSupportedSatelliteServices(int subId) {

        Map<String, Set<Integer>> carrierSupportedSatelliteServicesPerPlmn =

                readSupportedSatelliteServicesFromCarrierConfig(subId);

        synchronized (mSupportedSatelliteServicesLock) {

            mSupportedSatelliteServices.put(subId,

                    SatelliteServiceUtils.mergeSupportedSatelliteServices(

                            mSatelliteServicesSupportedByProviders,

                            carrierSupportedSatelliteServicesPerPlmn));

        }

    }



    @NonNull

    private Map<String, Set<Integer>> readSupportedSatelliteServicesFromOverlayConfig() {

        String[] supportedServices = readStringArrayFromOverlayConfig(

                R.array.config_satellite_services_supported_by_providers);

        return SatelliteServiceUtils.parseSupportedSatelliteServices(supportedServices);

    }



    @NonNull

    private Map<String, Set<Integer>> readSupportedSatelliteServicesFromCarrierConfig(int subId) {

        synchronized (mCarrierConfigArrayLock) {

            PersistableBundle config = mCarrierConfigArray.get(subId);

            if (config == null) {

                config = getConfigForSubId(subId);

                mCarrierConfigArray.put(subId, config);

            }

            return SatelliteServiceUtils.parseSupportedSatelliteServices(

                    config.getPersistableBundle(CarrierConfigManager

                            .KEY_CARRIER_SUPPORTED_SATELLITE_SERVICES_PER_PROVIDER_BUNDLE));

        }

    }



    @NonNull private PersistableBundle getConfigForSubId(int subId) {

        PersistableBundle config = mCarrierConfigManager.getConfigForSubId(subId,

                CarrierConfigManager

                        .KEY_CARRIER_SUPPORTED_SATELLITE_SERVICES_PER_PROVIDER_BUNDLE);

        if (config == null || config.isEmpty()) {

            config = CarrierConfigManager.getDefaultConfig();

        }

        return config;

    }



    private void handleCarrierConfigChanged(int slotIndex, int subId, int carrierId,

            int specificCarrierId) {

        logd("handleCarrierConfigChanged(): slotIndex(" + slotIndex + "), subId("

                + subId + "), carrierId(" + carrierId + "), specificCarrierId("

                + specificCarrierId + ")");

        if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {

            return;

        }



        updateCarrierConfig(subId);

        updateSupportedSatelliteServicesForActiveSubscriptions();

    }



    private void updateCarrierConfig(int subId) {

        synchronized (mCarrierConfigArrayLock) {

            mCarrierConfigArray.put(subId, getConfigForSubId(subId));

        }

    }



    @NonNull

    private String[] readStringArrayFromOverlayConfig(@ArrayRes int id) {

        String[] strArray = null;

        try {

            strArray = mContext.getResources().getStringArray(id);

        } catch (Resources.NotFoundException ex) {

            loge("readStringArrayFromOverlayConfig: id= " + id + ", ex=" + ex);

        }

        if (strArray == null) {

            strArray = new String[0];

        }

        return strArray;

    }



    private static void logd(@NonNull String log) {

        Rlog.d(TAG, log);

    }

src/java/com/android/internal/telephony/satellite/SatelliteServiceUtils.java

+128 −0
Original line number Diff line number Diff line
@@ -16,11 +16,16 @@ 


package com.android.internal.telephony.satellite;



import static android.telephony.NetworkRegistrationInfo.FIRST_SERVICE_TYPE;

import static android.telephony.NetworkRegistrationInfo.LAST_SERVICE_TYPE;



import android.annotation.NonNull;

import android.annotation.Nullable;

import android.content.Context;

import android.os.AsyncResult;

import android.os.Binder;

import android.os.PersistableBundle;

import android.telephony.NetworkRegistrationInfo;

import android.telephony.Rlog;

import android.telephony.SubscriptionManager;

import android.telephony.satellite.AntennaPosition;
@@ -40,7 +45,9 @@ import com.android.internal.telephony.subscription.SubscriptionManagerService; 


import java.util.Arrays;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;

import java.util.stream.Collectors;



/**
@@ -266,6 +273,127 @@ public class SatelliteServiceUtils { 
        return SubscriptionManager.DEFAULT_SUBSCRIPTION_ID;

    }



    /**

     * Expected format of each input string in the array: "PLMN_1:service_1,service_2,..."

     *

     * @return The map of supported services with key: PLMN, value: set of services supported by

     * the PLMN.

     */

    @NonNull

    @NetworkRegistrationInfo.ServiceType

    public static Map<String, Set<Integer>> parseSupportedSatelliteServices(

            String[] supportedSatelliteServicesStrArray) {

        Map<String, Set<Integer>> supportedServicesMap = new HashMap<>();

        if (supportedSatelliteServicesStrArray == null

                || supportedSatelliteServicesStrArray.length == 0) {

            return supportedServicesMap;

        }



        for (String supportedServicesPerPlmnStr : supportedSatelliteServicesStrArray) {

            String[] pairOfPlmnAndsupportedServicesStr =

                    supportedServicesPerPlmnStr.split(":");

            if (pairOfPlmnAndsupportedServicesStr != null

                    && (pairOfPlmnAndsupportedServicesStr.length == 1

                    || pairOfPlmnAndsupportedServicesStr.length == 2)) {

                String plmn = pairOfPlmnAndsupportedServicesStr[0];

                Set<Integer> supportedServicesSet = new HashSet<>();

                if (pairOfPlmnAndsupportedServicesStr.length == 2) {

                    String[] supportedServicesStrArray =

                            pairOfPlmnAndsupportedServicesStr[1].split(",");

                    for (String service : supportedServicesStrArray) {

                        try {

                            int serviceType = Integer.parseInt(service);

                            if (isServiceTypeValid(serviceType)) {

                                supportedServicesSet.add(serviceType);

                            } else {

                                loge("parseSupportedSatelliteServices: invalid serviceType="

                                        + serviceType);

                            }

                        } catch (NumberFormatException e) {

                            loge("parseSupportedSatelliteServices: supportedServicesPerPlmnStr="

                                    + supportedServicesPerPlmnStr + ", service=" + service

                                    + ", e=" + e);

                        }

                    }

                }

                supportedServicesMap.put(plmn, supportedServicesSet);

            } else {

                loge("parseSupportedSatelliteServices: invalid format input, "

                        + "supportedServicesPerPlmnStr=" + supportedServicesPerPlmnStr);

            }

        }

        return supportedServicesMap;

    }



    /**

     * Expected format of the input dictionary bundle is:

     * <ul>

     *     <li>Key: PLMN string.</li>

     *     <li>Value: A string with format "service_1,service_2,..."</li>

     * </ul>

     * @return The map of supported services with key: PLMN, value: set of services supported by

     * the PLMN.

     */

    @NonNull

    @NetworkRegistrationInfo.ServiceType

    public static Map<String, Set<Integer>> parseSupportedSatelliteServices(

            PersistableBundle supportedServicesBundle) {

        Map<String, Set<Integer>> supportedServicesMap = new HashMap<>();

        if (supportedServicesBundle == null || supportedServicesBundle.isEmpty()) {

            return supportedServicesMap;

        }



        for (String plmn : supportedServicesBundle.keySet()) {

            Set<Integer> supportedServicesSet = new HashSet<>();

            for (int serviceType : supportedServicesBundle.getIntArray(plmn)) {

                if (isServiceTypeValid(serviceType)) {

                    supportedServicesSet.add(serviceType);

                } else {

                    loge("parseSupportedSatelliteServices: invalid service type=" + serviceType

                            + " for plmn=" + plmn);

                }

            }

            supportedServicesMap.put(plmn, supportedServicesSet);

        }

        return supportedServicesMap;

    }



    /**

     * For the PLMN that exists in both {@code providerSupportedServices} and

     * {@code carrierSupportedServices}, the supported services will be the intersection of the two

     * sets. For the PLMN that is present in {@code providerSupportedServices} but not in

     * {@code carrierSupportedServices}, the provider supported services will be used. The rest

     * will not be used.

     *

     * @param providerSupportedServices Satellite provider supported satellite services.

     * @param carrierSupportedServices Carrier supported satellite services.

     * @return The supported satellite services by the device for the corresponding carrier and the

     * satellite provider.

     */

    @NonNull

    @NetworkRegistrationInfo.ServiceType

    public static Map<String, Set<Integer>> mergeSupportedSatelliteServices(

            @NonNull @NetworkRegistrationInfo.ServiceType Map<String, Set<Integer>>

                    providerSupportedServices,

            @NonNull @NetworkRegistrationInfo.ServiceType Map<String, Set<Integer>>

                    carrierSupportedServices) {

        Map<String, Set<Integer>> supportedServicesMap = new HashMap<>();

        for (Map.Entry<String, Set<Integer>> entry : providerSupportedServices.entrySet()) {

            Set<Integer> supportedServices = new HashSet<>(entry.getValue());

            if (carrierSupportedServices.containsKey(entry.getKey())) {

                supportedServices.retainAll(carrierSupportedServices.get(entry.getKey()));

            }

            if (!supportedServices.isEmpty()) {

                supportedServicesMap.put(entry.getKey(), supportedServices);

            }

        }

        return supportedServicesMap;

    }



    private static boolean isServiceTypeValid(int serviceType) {

        return (serviceType >= FIRST_SERVICE_TYPE && serviceType <= LAST_SERVICE_TYPE);

    }



    /**

     * Return phone associated with phoneId 0.

     *

tests/telephonytests/src/com/android/internal/telephony/ServiceStateTrackerTest.java

+62 −0

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