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Commit 0da5a11f authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
Browse files

Merge changes from topic "mmtel_vops" am: 09477d88 

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/2035093

Change-Id: I6bcb867d6bdc67f690ced40ada18414976b5aca2
parents bddd2e12 09477d88

src/java/com/android/internal/telephony/data/DataConfigManager.java

+10 −0
Original line number Diff line number Diff line
@@ -658,6 +658,15 @@ public class DataConfigManager extends Handler { 
                .config_wlan_data_service_conn_persistence_on_restart);

    }



    /**

     * @return {@code true} if tearing down IMS data network should be delayed until the voice call

     * ends.

     */

    public boolean isImsDelayTearDownEnabled() {

        return mCarrierConfig.getBoolean(

                CarrierConfigManager.KEY_DELAY_IMS_TEAR_DOWN_UNTIL_CALL_END_BOOL);

    }



    /**

     * @return The bandwidth estimation source.

     */
@@ -929,6 +938,7 @@ public class DataConfigManager extends Handler { 
                + shouldPersistIwlanDataNetworksWhenDataServiceRestarted());

        pw.println("Bandwidth estimation source=" + mResources.getString(

                com.android.internal.R.string.config_bandwidthEstimateSource));

        pw.println("isDelayTearDownImsEnabled=" + isImsDelayTearDownEnabled());

        pw.decreaseIndent();

    }

}

src/java/com/android/internal/telephony/data/DataEvaluation.java

+3 −1
Original line number Diff line number Diff line
@@ -257,7 +257,9 @@ public class DataEvaluation { 
        /** Handover is not allowed by policy. */

        NOT_ALLOWED_BY_POLICY(true),

        /** Data network is not in the right state. */

        ILLEGAL_STATE(true);

        ILLEGAL_STATE(true),

        /** VoPS is not supported by the network. */

        VOPS_NOT_SUPPORTED(true);



        private final boolean mIsHardReason;

src/java/com/android/internal/telephony/data/DataNetwork.java

+60 −27
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ import android.telephony.Annotation.NetCapability; 
import android.telephony.Annotation.NetworkType;

import android.telephony.Annotation.ValidationStatus;

import android.telephony.DataFailCause;

import android.telephony.DataSpecificRegistrationInfo;

import android.telephony.LinkCapacityEstimate;

import android.telephony.NetworkRegistrationInfo;

import android.telephony.PcoData;
@@ -226,6 +227,7 @@ public class DataNetwork extends StateMachine { 
                    TEAR_DOWN_REASON_HANDOVER_FAILED,

                    TEAR_DOWN_REASON_HANDOVER_NOT_ALLOWED,

                    TEAR_DOWN_REASON_VCN_REQUESTED,

                    TEAR_DOWN_REASON_VOPS_NOT_SUPPORTED,

            })

    public @interface TearDownReason {}
@@ -274,6 +276,9 @@ public class DataNetwork extends StateMachine { 
    /** Data network tear down due to VCN service requested. */

    public static final int TEAR_DOWN_REASON_VCN_REQUESTED = 15;



    /** Data network tear down due to VOPS no longer supported. */

    public static final int TEAR_DOWN_REASON_VOPS_NOT_SUPPORTED = 16;



    @IntDef(prefix = {"BANDWIDTH_SOURCE_"},

            value = {

                    BANDWIDTH_SOURCE_UNKNOWN,
@@ -770,22 +775,14 @@ public class DataNetwork extends StateMachine { 
        public void enter() {

            logv("Registering all events.");

            mDataConfigManager.registerForConfigUpdate(getHandler(), EVENT_DATA_CONFIG_UPDATED);

            mDataServiceManagers.get(AccessNetworkConstants.TRANSPORT_TYPE_WWAN)

                    .registerForDataCallListChanged(getHandler(), EVENT_DATA_STATE_CHANGED);

            if (!mAccessNetworksManager.isInLegacyMode()) {

                mDataServiceManagers.get(AccessNetworkConstants.TRANSPORT_TYPE_WLAN)

            mPhone.getDisplayInfoController().registerForTelephonyDisplayInfoChanged(

                    getHandler(), EVENT_DISPLAY_INFO_CHANGED, null);

            for (int transport : mAccessNetworksManager.getAvailableTransports()) {

                mDataServiceManagers.get(transport)

                        .registerForDataCallListChanged(getHandler(), EVENT_DATA_STATE_CHANGED);

                mPhone.getServiceStateTracker().registerForDataRegStateOrRatChanged(

                        AccessNetworkConstants.TRANSPORT_TYPE_WLAN, getHandler(),

                        EVENT_SERVICE_STATE_CHANGED,

                        AccessNetworkConstants.TRANSPORT_TYPE_WLAN);

                        transport, getHandler(), EVENT_SERVICE_STATE_CHANGED, transport);

            }

            mPhone.getServiceStateTracker().registerForDataRegStateOrRatChanged(

                    AccessNetworkConstants.TRANSPORT_TYPE_WWAN, getHandler(),

                    EVENT_SERVICE_STATE_CHANGED,

                    AccessNetworkConstants.TRANSPORT_TYPE_WWAN);

            mPhone.getDisplayInfoController().registerForTelephonyDisplayInfoChanged(

                    getHandler(), EVENT_DISPLAY_INFO_CHANGED, null);



            // Only add symmetric code here, for example, registering and unregistering.

            // DefaultState.enter() is the starting point in the life cycle of the DataNetwork,
@@ -796,19 +793,14 @@ public class DataNetwork extends StateMachine { 
        @Override

        public void exit() {

            logv("Unregistering all events.");

            mPhone.getDisplayInfoController().unregisterForTelephonyDisplayInfoChanged(

                    getHandler());

            mPhone.getServiceStateTracker().unregisterForDataRegStateOrRatChanged(

                    AccessNetworkConstants.TRANSPORT_TYPE_WWAN, getHandler());



            if (!mAccessNetworksManager.isInLegacyMode()) {

                mDataServiceManagers.get(AccessNetworkConstants.TRANSPORT_TYPE_WLAN)

            for (int transport : mAccessNetworksManager.getAvailableTransports()) {

                mDataServiceManagers.get(transport)

                        .unregisterForDataCallListChanged(getHandler());

                mPhone.getServiceStateTracker().unregisterForDataRegStateOrRatChanged(

                        AccessNetworkConstants.TRANSPORT_TYPE_WLAN, getHandler());

                        transport, getHandler());

            }

            mDataServiceManagers.get(AccessNetworkConstants.TRANSPORT_TYPE_WWAN)

                    .unregisterForDataCallListChanged(getHandler());

            mPhone.getDisplayInfoController().unregisterForTelephonyDisplayInfoChanged(

                    getHandler());

            mDataConfigManager.unregisterForConfigUpdate(getHandler());

        }
@@ -1339,6 +1331,35 @@ public class DataNetwork extends StateMachine { 
                    .forEach(builder::addCapability);

        }



        // If voice call is on-going, do not change MMTEL capability, which is a immutable

        // capability. Changing it will result in re-recreating network agent below, and the voice

        // call will drop. Whether tearing down an IMS network or not when VoPS is lost

        if (mPhone.getImsPhone() != null && mPhone.getImsPhone().getCallTracker().getState()

                != PhoneConstants.State.IDLE && mNetworkCapabilities != null

                && mNetworkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_MMTEL)) {

            // Previous capability has MMTEL, so add it again.

            builder.addCapability(NetworkCapabilities.NET_CAPABILITY_MMTEL);

        } else {

            // Always add MMTEL capability on IMS network unless network explicitly indicates VoPS

            // not supported.

            if (mDataProfile.canSatisfy(NetworkCapabilities.NET_CAPABILITY_IMS)) {

                builder.addCapability(NetworkCapabilities.NET_CAPABILITY_MMTEL);

                if (mTransport == AccessNetworkConstants.TRANSPORT_TYPE_WWAN) {

                    NetworkRegistrationInfo nri = mPhone.getServiceStateTracker().getServiceState()

                            .getNetworkRegistrationInfo(NetworkRegistrationInfo.DOMAIN_PS,

                                    AccessNetworkConstants.TRANSPORT_TYPE_WWAN);

                    if (nri != null) {

                        DataSpecificRegistrationInfo dsri = nri.getDataSpecificInfo();

                        // Check if VoPS is supported by the network.

                        if (dsri != null && dsri.getVopsSupportInfo() != null

                                && !dsri.getVopsSupportInfo().isVopsSupported()) {

                            builder.removeCapability(NetworkCapabilities.NET_CAPABILITY_MMTEL);

                        }

                    }

                }

            }

        }



        // Extract network capabilities from the traffic descriptor.

        for (TrafficDescriptor trafficDescriptor : mTrafficDescriptors) {

            try {
@@ -1443,12 +1464,13 @@ public class DataNetwork extends StateMachine { 
                mNetworkCapabilities = nc;

                mNetworkAgent = createNetworkAgent();

                mNetworkAgent.markConnected();

            }



            } else {

                // Now we need to inform connectivity service and data network controller

                // about the capabilities changed.

                mNetworkCapabilities = nc;

                mNetworkAgent.sendNetworkCapabilities(mNetworkCapabilities);

            }



            removeUnsatisfiedNetworkRequests();

            mDataNetworkCallback.invokeFromExecutor(() -> mDataNetworkCallback

                    .onNetworkCapabilitiesChanged(DataNetwork.this));
@@ -1810,6 +1832,15 @@ public class DataNetwork extends StateMachine { 


    private void onTearDown(@TearDownReason int reason) {

        logl("onTearDown: reason=" + tearDownReasonToString(reason));

        if (mDataConfigManager.isImsDelayTearDownEnabled()

                && mNetworkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_IMS)

                && reason == TEAR_DOWN_REASON_CONNECTIVITY_SERVICE_UNWANTED

                && mPhone.getImsPhone() != null

                && mPhone.getImsPhone().getCallTracker().getState() != PhoneConstants.State.IDLE) {

            logl("onTearDown: Delay IMS tear down until call ends.");

            return;

        }



        // TODO: Need to support DataService.REQUEST_REASON_SHUTDOWN

        mDataServiceManagers.get(mTransport).deactivateDataCall(mCid.get(mTransport),

                DataService.REQUEST_REASON_NORMAL, null);
@@ -2475,6 +2506,8 @@ public class DataNetwork extends StateMachine { 
                return "TEAR_DOWN_REASON_HANDOVER_NOT_ALLOWED";

            case TEAR_DOWN_REASON_VCN_REQUESTED:

                return "TEAR_DOWN_REASON_VCN_REQUESTED";

            case TEAR_DOWN_REASON_VOPS_NOT_SUPPORTED:

                return "TEAR_DOWN_REASON_VOPS_NOT_SUPPORTED";

            default:

                return "UNKNOWN(" + reason + ")";

        }

src/java/com/android/internal/telephony/data/DataNetworkController.java

+78 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ import android.telephony.Annotation.NetworkType; 
import android.telephony.Annotation.ValidationStatus;

import android.telephony.CarrierConfigManager;

import android.telephony.DataFailCause;

import android.telephony.DataSpecificRegistrationInfo;

import android.telephony.NetworkRegistrationInfo;

import android.telephony.NetworkRegistrationInfo.RegistrationState;

import android.telephony.PcoData;
@@ -898,6 +899,10 @@ public class DataNetworkController extends Handler { 
                onRemoveNetworkRequest((TelephonyNetworkRequest) msg.obj);

                break;

            case EVENT_VOICE_CALL_ENDED:

                // In some cases we need to tear down network after call ends. For example, when

                // delay IMS tear down until call ends is turned on.

                sendMessage(obtainMessage(EVENT_REEVALUATE_EXISTING_DATA_NETWORKS,

                        DataEvaluationReason.VOICE_CALL_ENDED));

                sendMessage(obtainMessage(EVENT_REEVALUATE_UNSATISFIED_NETWORK_REQUESTS,

                        DataEvaluationReason.VOICE_CALL_ENDED));

                break;
@@ -1183,6 +1188,20 @@ public class DataNetworkController extends Handler { 
                    DataDisallowedReason.CONCURRENT_VOICE_DATA_NOT_ALLOWED);

        }



        // Check VoPS support

        if (transport == AccessNetworkConstants.TRANSPORT_TYPE_WWAN

                && networkRequest.hasCapability(NetworkCapabilities.NET_CAPABILITY_MMTEL)) {

            NetworkRegistrationInfo nri = mServiceState.getNetworkRegistrationInfo(

                    NetworkRegistrationInfo.DOMAIN_PS, AccessNetworkConstants.TRANSPORT_TYPE_WWAN);

            if (nri != null) {

                DataSpecificRegistrationInfo dsri = nri.getDataSpecificInfo();

                if (dsri != null && dsri.getVopsSupportInfo() != null

                        && !dsri.getVopsSupportInfo().isVopsSupported()) {

                    evaluation.addDataDisallowedReason(DataDisallowedReason.VOPS_NOT_SUPPORTED);

                }

            }

        }



        // Check if default data is selected.

        if (!SubscriptionManager.isValidSubscriptionId(

                SubscriptionManager.getDefaultDataSubscriptionId())) {
@@ -1367,6 +1386,35 @@ public class DataNetworkController extends Handler { 
            evaluation.addDataDisallowedReason(DataDisallowedReason.DATA_RESTRICTED_BY_NETWORK);

        }



        boolean delayImsTearDown = false;

        if (mDataConfigManager.isImsDelayTearDownEnabled()

                && dataNetwork.getNetworkCapabilities()

                .hasCapability(NetworkCapabilities.NET_CAPABILITY_IMS)

                && mPhone.getImsPhone() != null

                && mPhone.getImsPhone().getCallTracker().getState() != PhoneConstants.State.IDLE) {

            // Some carriers requires delay tearing down IMS network until the call ends even if

            // VoPS bit is lost.

            log("Ignore VoPS bit and delay IMS tear down until call ends.");

            delayImsTearDown = true;

        }



        // Check VoPS support (except for the case that we want to delay IMS tear down until the

        // voice call ends.

        if (!delayImsTearDown

                && dataNetwork.getTransport() == AccessNetworkConstants.TRANSPORT_TYPE_WWAN

                && dataNetwork.getNetworkCapabilities().hasCapability(

                        NetworkCapabilities.NET_CAPABILITY_MMTEL)) {

            NetworkRegistrationInfo nri = mServiceState.getNetworkRegistrationInfo(

                    NetworkRegistrationInfo.DOMAIN_PS, AccessNetworkConstants.TRANSPORT_TYPE_WWAN);

            if (nri != null) {

                DataSpecificRegistrationInfo dsri = nri.getDataSpecificInfo();

                if (dsri != null && dsri.getVopsSupportInfo() != null

                        && !dsri.getVopsSupportInfo().isVopsSupported()) {

                    evaluation.addDataDisallowedReason(DataDisallowedReason.VOPS_NOT_SUPPORTED);

                }

            }

        }



        // Check if device is CDMA and is currently in ECBM

        if (mPhone.isInEcm() && mPhone.getPhoneType() == PhoneConstants.PHONE_TYPE_CDMA) {

            evaluation.addDataDisallowedReason(DataDisallowedReason.EMERGENCY_CALL);
@@ -1570,6 +1618,8 @@ public class DataNetworkController extends Handler { 
                    return DataNetwork.TEAR_DOWN_REASON_DATA_SERVICE_NOT_READY;

                case DATA_NETWORK_TYPE_NOT_ALLOWED:

                    return DataNetwork.TEAR_DOWN_REASON_RAT_NOT_ALLOWED;

                case VOPS_NOT_SUPPORTED:

                    return DataNetwork.TEAR_DOWN_REASON_VOPS_NOT_SUPPORTED;

            }

        }

        return 0;
@@ -2438,6 +2488,20 @@ public class DataNetworkController extends Handler { 
            return true;

        }



        DataSpecificRegistrationInfo oldDsri = oldNri.getDataSpecificInfo();

        DataSpecificRegistrationInfo newDsri = newNri.getDataSpecificInfo();



        if (newDsri == null) return false;

        if ((oldDsri == null || oldDsri.getVopsSupportInfo() == null

                || oldDsri.getVopsSupportInfo().isVopsSupported())

                && (newDsri.getVopsSupportInfo() != null && !newDsri.getVopsSupportInfo()

                .isVopsSupported())) {

            // If previously VoPS was supported (or does not exist), and now the network reports

            // VoPS not supported, we should evaluate existing data networks to see if they need

            // to be torn down.

            return true;

        }



        return false;

    }
@@ -2463,6 +2527,20 @@ public class DataNetworkController extends Handler { 
            return true;

        }



        DataSpecificRegistrationInfo oldDsri = oldNri.getDataSpecificInfo();

        DataSpecificRegistrationInfo newDsri = newNri.getDataSpecificInfo();



        if (oldDsri == null) return false;

        if ((newDsri == null || newDsri.getVopsSupportInfo() == null

                || newDsri.getVopsSupportInfo().isVopsSupported())

                && (oldDsri.getVopsSupportInfo() != null && !oldDsri.getVopsSupportInfo()

                .isVopsSupported())) {

            // If previously VoPS was not supported, and now the network reports

            // VoPS supported (or does not report), we should evaluate the unsatisfied network

            // request to see if the can be satisfied again.

            return true;

        }



        return false;

    }

tests/telephonytests/src/com/android/internal/telephony/data/DataNetworkControllerTest.java

+172 −19

File changed.

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