Merge "Supported single PDN arbitration" (e7fa69ec) · Commits · e / os / android_frameworks_opt_telephony

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

+8 −1

Original line number	Diff line number	Diff line
		@@ -214,6 +214,11 @@ public class DataEvaluation {
		PREFERRED_TRANSPORT_CHANGED,
		/** Slice config changed. */
		SLICE_CONFIG_CHANGED,
		/**
		* Single data network arbitration. On certain RATs, only one data network is allowed at the
		* same time.
		*/
		SINGLE_DATA_NETWORK_ARBITRATION,
		}

		/** Disallowed reasons. There could be multiple reasons if it is not allowed. */
		@@ -266,7 +271,9 @@ public class DataEvaluation {
		/** Data network is not in the right state. */
		ILLEGAL_STATE(true),
		/** VoPS is not supported by the network. */
		VOPS_NOT_SUPPORTED(true);
		VOPS_NOT_SUPPORTED(true),
		/** Only one data network is allowed at one time. */
		ONLY_ALLOWED_SINGLE_NETWORK(true);

		private final boolean mIsHardReason;

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

+17 −0

Original line number	Diff line number	Diff line
		@@ -241,6 +241,7 @@ public class DataNetwork extends StateMachine {
		TEAR_DOWN_REASON_DATA_PROFILE_NOT_PREFERRED,
		TEAR_DOWN_REASON_NOT_ALLOWED_BY_POLICY,
		TEAR_DOWN_REASON_ILLEGAL_STATE,
		TEAR_DOWN_ONLY_ALLOWED_SINGLE_NETWORK,
		})
		public @interface TearDownReason {}

		@@ -328,6 +329,9 @@ public class DataNetwork extends StateMachine {
		/** Data network tear down due to illegal state. */
		public static final int TEAR_DOWN_REASON_ILLEGAL_STATE = 28;

		/** Data network tear down due to only allowed single network. */
		public static final int TEAR_DOWN_ONLY_ALLOWED_SINGLE_NETWORK = 29;

		@IntDef(prefix = {"BANDWIDTH_SOURCE_"},
		value = {
		BANDWIDTH_SOURCE_UNKNOWN,
		@@ -2273,6 +2277,17 @@ public class DataNetwork extends StateMachine {
		return highestPriorityCapability;
		}

		/**
		* @return The priority of the network. The priority is derived from the highest priority
		* capability of the network.
		*/
		public int getPriority() {
		return Arrays.stream(getNetworkCapabilities().getCapabilities()).boxed()
		.map(mDataConfigManager::getNetworkCapabilityPriority)
		.max(Integer::compare)
		.orElse(-1);
		}

		/**
		* @return The attached network request list.
		*/
		@@ -2619,6 +2634,8 @@ public class DataNetwork extends StateMachine {
		return "TEAR_DOWN_REASON_NOT_ALLOWED_BY_POLICY";
		case TEAR_DOWN_REASON_ILLEGAL_STATE:
		return "TEAR_DOWN_REASON_ILLEGAL_STATE";
		case TEAR_DOWN_ONLY_ALLOWED_SINGLE_NETWORK:
		return "TEAR_DOWN_ONLY_ALLOWED_SINGLE_NETWORK";
		default:
		return "UNKNOWN(" + reason + ")";
		}

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

+43 −8

Original line number	Diff line number	Diff line
		@@ -135,9 +135,6 @@ public class DataNetworkController extends Handler {
		/** Event for removing a network request. */
		private static final int EVENT_REMOVE_NETWORK_REQUEST = 3;

		/** Event for satisfying a single network request. */
		private static final int EVENT_SATISFY_NETWORK_REQUEST = 4;

		/** Re-evaluate all unsatisfied network requests. */
		private static final int EVENT_REEVALUATE_UNSATISFIED_NETWORK_REQUESTS = 5;

		@@ -891,9 +888,6 @@ public class DataNetworkController extends Handler {
		case EVENT_ADD_NETWORK_REQUEST:
		onAddNetworkRequest((TelephonyNetworkRequest) msg.obj);
		break;
		case EVENT_SATISFY_NETWORK_REQUEST:
		onSatisfyNetworkRequest((TelephonyNetworkRequest) msg.obj);
		break;
		case EVENT_REEVALUATE_UNSATISFIED_NETWORK_REQUESTS:
		DataEvaluationReason reason = (DataEvaluationReason) msg.obj;
		onReevaluateUnsatisfiedNetworkRequests(reason);
		@@ -1036,7 +1030,7 @@ public class DataNetworkController extends Handler {
		return;
		}
		logv("onAddNetworkRequest: added " + networkRequest);
		sendMessage(obtainMessage(EVENT_SATISFY_NETWORK_REQUEST, networkRequest));
		onSatisfyNetworkRequest(networkRequest);
		}

		/**
		@@ -1070,6 +1064,12 @@ public class DataNetworkController extends Handler {
		setupDataNetwork(dataProfile, null,
		evaluation.getDataAllowedReason());
		}
		} else if (evaluation.contains(DataDisallowedReason.ONLY_ALLOWED_SINGLE_NETWORK)) {
		// Re-evaluate the existing data networks. If this request's priority is higher than
		// the existing data network, the data network will be torn down so this request will
		// get a chance to be satisfied.
		sendMessage(obtainMessage(EVENT_REEVALUATE_EXISTING_DATA_NETWORKS,
		DataEvaluationReason.SINGLE_DATA_NETWORK_ARBITRATION));
		}
		}

		@@ -1136,7 +1136,6 @@ public class DataNetworkController extends Handler {
		*/
		private boolean shouldCheckRegistrationState() {
		// Always don't check registration state on non-DDS sub.
		log("shouldCheckRegistrationState: phoneSwitcher=" + PhoneSwitcher.getInstance());
		if (mPhone.getPhoneId() != PhoneSwitcher.getInstance().getPreferredDataPhoneId()) {
		return false;
		}
		@@ -1148,6 +1147,16 @@ public class DataNetworkController extends Handler {
		return true;
		}

		/**
		* @return {@code true} if the network only allows single data network at one time.
		*/
		private boolean isOnlySingleDataNetworkAllowed(@TransportType int transport) {
		if (transport == AccessNetworkConstants.TRANSPORT_TYPE_WLAN) return false;

		return mDataConfigManager.getNetworkTypesOnlySupportSingleDataNetwork()
		.contains(getDataNetworkType(transport));
		}

		/**
		* Evaluate a network request. The goal is to find a suitable {@link DataProfile} that can be
		* used to setup the data network.
		@@ -1255,6 +1264,12 @@ public class DataNetworkController extends Handler {
		evaluation.addDataDisallowedReason(DataDisallowedReason.EMERGENCY_CALL);
		}

		// Check if only one data network is allowed.
		if (isOnlySingleDataNetworkAllowed(transport) && !mDataNetworkList.isEmpty()) {
		evaluation.addDataDisallowedReason(
		DataDisallowedReason.ONLY_ALLOWED_SINGLE_NETWORK);
		}

		if (!mDataSettingsManager.isDataEnabled(DataUtils.networkCapabilityToApnType(
		networkRequest.getApnTypeNetworkCapability()))) {
		evaluation.addDataDisallowedReason(DataDisallowedReason.DATA_DISABLED);
		@@ -1432,6 +1447,24 @@ public class DataNetworkController extends Handler {
		evaluation.addDataDisallowedReason(DataDisallowedReason.EMERGENCY_CALL);
		}

		// Check if there are other network that has higher priority, and only single data network
		// is allowed.
		if (isOnlySingleDataNetworkAllowed(dataNetwork.getTransport())) {
		// If there is network request that has higher priority than this data network, then
		// tear down the network, regardless that network request is satisfied or not.
		if (mAllNetworkRequestList.stream()
		.filter(request -> dataNetwork.getTransport()
		== mAccessNetworksManager.getPreferredTransportByNetworkCapability(
		request.getApnTypeNetworkCapability()))
		.anyMatch(request -> request.getPriority() > dataNetwork.getPriority())) {
		evaluation.addDataDisallowedReason(
		DataDisallowedReason.ONLY_ALLOWED_SINGLE_NETWORK);
		} else {
		log("evaluateDataNetwork: " + dataNetwork + " has the highest priority. "
		+ "No need to tear down");
		}
		}

		// Check if data is disabled
		boolean dataDisabled = false;
		if (!mDataSettingsManager.isDataEnabled()) {
		@@ -1655,6 +1688,8 @@ public class DataNetworkController extends Handler {
		return DataNetwork.TEAR_DOWN_REASON_ILLEGAL_STATE;
		case VOPS_NOT_SUPPORTED:
		return DataNetwork.TEAR_DOWN_REASON_VOPS_NOT_SUPPORTED;
		case ONLY_ALLOWED_SINGLE_NETWORK:
		return DataNetwork.TEAR_DOWN_ONLY_ALLOWED_SINGLE_NETWORK;
		}
		}
		return 0;

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

+107 −5

Original line number	Diff line number	Diff line
		@@ -141,8 +141,11 @@ public class DataNetworkControllerTest extends TelephonyTest {
		.setProtocol(ApnSetting.PROTOCOL_IPV6)
		.setRoamingProtocol(ApnSetting.PROTOCOL_IP)
		.setCarrierEnabled(true)
		.setNetworkTypeBitmask((int) TelephonyManager.NETWORK_TYPE_BITMASK_LTE)
		.setNetworkTypeBitmask((int) (TelephonyManager.NETWORK_TYPE_BITMASK_LTE
		\| TelephonyManager.NETWORK_TYPE_BITMASK_IWLAN
		\| TelephonyManager.NETWORK_TYPE_BITMASK_1xRTT))
		.setLingeringNetworkTypeBitmask((int) (TelephonyManager.NETWORK_TYPE_BITMASK_LTE
		\| TelephonyManager.NETWORK_TYPE_BITMASK_1xRTT
		\| TelephonyManager.NETWORK_TYPE_BITMASK_UMTS
		\| TelephonyManager.NETWORK_TYPE_BITMASK_NR))
		.setProfileId(1234)
		@@ -165,8 +168,10 @@ public class DataNetworkControllerTest extends TelephonyTest {
		.setProtocol(ApnSetting.PROTOCOL_IPV6)
		.setRoamingProtocol(ApnSetting.PROTOCOL_IP)
		.setCarrierEnabled(true)
		.setNetworkTypeBitmask((int) TelephonyManager.NETWORK_TYPE_BITMASK_LTE)
		.setNetworkTypeBitmask((int) (TelephonyManager.NETWORK_TYPE_BITMASK_LTE
		\| TelephonyManager.NETWORK_TYPE_BITMASK_IWLAN))
		.setLingeringNetworkTypeBitmask((int) (TelephonyManager.NETWORK_TYPE_BITMASK_LTE
		\| TelephonyManager.NETWORK_TYPE_BITMASK_IWLAN
		\| TelephonyManager.NETWORK_TYPE_BITMASK_UMTS
		\| TelephonyManager.NETWORK_TYPE_BITMASK_NR))
		.setProfileId(1235)
		@@ -180,6 +185,7 @@ public class DataNetworkControllerTest extends TelephonyTest {
		private final DataProfile mEmergencyDataProfile = new DataProfile.Builder()
		.setApnSetting(new ApnSetting.Builder()
		.setEntryName("DEFAULT EIMS")
		.setId(2165)
		.setProtocol(ApnSetting.PROTOCOL_IPV4V6)
		.setRoamingProtocol(ApnSetting.PROTOCOL_IPV4V6)
		.setApnName("sos")
		@@ -189,6 +195,51 @@ public class DataNetworkControllerTest extends TelephonyTest {
		.build())
		.build();

		private final DataProfile mFotaDataProfile = new DataProfile.Builder()
		.setApnSetting(new ApnSetting.Builder()
		.setId(2166)
		.setOperatorNumeric("12345")
		.setEntryName("fota_apn")
		.setApnName("fota_apn")
		.setUser("user")
		.setPassword("passwd")
		.setApnTypeBitmask(ApnSetting.TYPE_FOTA)
		.setProtocol(ApnSetting.PROTOCOL_IPV6)
		.setRoamingProtocol(ApnSetting.PROTOCOL_IP)
		.setCarrierEnabled(true)
		.setNetworkTypeBitmask((int) TelephonyManager.NETWORK_TYPE_BITMASK_LTE
		\| (int) TelephonyManager.NETWORK_TYPE_BITMASK_1xRTT)
		.setProfileId(1236)
		.setMaxConns(321)
		.setWaitTime(456)
		.setMaxConnsTime(789)
		.build())
		.setPreferred(false)
		.build();

		private final DataProfile mTetheringDataProfile = new DataProfile.Builder()
		.setApnSetting(new ApnSetting.Builder()
		.setId(2167)
		.setOperatorNumeric("12345")
		.setEntryName("dun_apn")
		.setApnName("dun_apn")
		.setUser("user")
		.setPassword("passwd")
		.setApnTypeBitmask(ApnSetting.TYPE_DUN)
		.setProtocol(ApnSetting.PROTOCOL_IPV6)
		.setRoamingProtocol(ApnSetting.PROTOCOL_IP)
		.setCarrierEnabled(true)
		.setNetworkTypeBitmask((int) TelephonyManager.NETWORK_TYPE_BITMASK_LTE
		\| (int) TelephonyManager.NETWORK_TYPE_BITMASK_1xRTT)
		.setProfileId(1236)
		.setMaxConns(321)
		.setWaitTime(456)
		.setMaxConnsTime(789)
		.build())
		.setPreferred(false)
		.build();


		/** Data call response map. The first key is the transport type, the second key is the cid. */
		private final Map<Integer, Map<Integer, DataCallResponse>> mDataCallResponses = new HashMap<>();

		@@ -366,6 +417,11 @@ public class DataNetworkControllerTest extends TelephonyTest {
		mCarrierConfig.putBoolean(CarrierConfigManager.KEY_NETWORK_TEMP_NOT_METERED_SUPPORTED_BOOL,
		true);

		mCarrierConfig.putIntArray(CarrierConfigManager.KEY_ONLY_SINGLE_DC_ALLOWED_INT_ARRAY,
		new int[] {TelephonyManager.NETWORK_TYPE_CDMA, TelephonyManager.NETWORK_TYPE_1xRTT,
		TelephonyManager.NETWORK_TYPE_EVDO_0, TelephonyManager.NETWORK_TYPE_EVDO_A,
		TelephonyManager.NETWORK_TYPE_EVDO_B});

		mContextFixture.putResource(com.android.internal.R.string.config_bandwidthEstimateSource,
		"bandwidth_estimator");
		}
		@@ -444,14 +500,19 @@ public class DataNetworkControllerTest extends TelephonyTest {
		doAnswer(invocation -> {
		TelephonyNetworkRequest networkRequest =
		(TelephonyNetworkRequest) invocation.getArguments()[0];
		int networkType = (int) invocation.getArguments()[1];
		List<DataProfile> profiles = List.of(mGeneralPurposeDataProfile, mImsDataProfile,
		mEmergencyDataProfile);
		mEmergencyDataProfile, mFotaDataProfile, mTetheringDataProfile);
		for (DataProfile dataProfile : profiles) {
		if (dataProfile.canSatisfy(networkRequest.getCapabilities())) {
		if (dataProfile.canSatisfy(networkRequest.getCapabilities())
		&& (dataProfile.getApnSetting().getNetworkTypeBitmask() == 0
		\|\| (dataProfile.getApnSetting().getNetworkTypeBitmask()
		& ServiceState.getBitmaskForTech(networkType)) != 0)) {
		return dataProfile;
		}
		}
		logd("Cannot find data profile to satisfy " + networkRequest);
		logd("Cannot find data profile to satisfy " + networkRequest + ", network type="
		+ TelephonyManager.getNetworkTypeName(networkType));
		return null;
		}).when(mDataProfileManager).getDataProfileForNetworkRequest(
		any(TelephonyNetworkRequest.class), anyInt());
		@@ -1720,4 +1781,45 @@ public class DataNetworkControllerTest extends TelephonyTest {
		// network should still be not-restricted.
		NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED);
		}

		@Test
		public void testSinglePdnArbitration() throws Exception {
		// On old 1x network, only one data network is allowed.
		serviceStateChanged(TelephonyManager.NETWORK_TYPE_1xRTT,
		NetworkRegistrationInfo.REGISTRATION_STATE_HOME);

		mDataNetworkControllerUT.addNetworkRequest(
		createNetworkRequest(NetworkCapabilities.NET_CAPABILITY_DUN));
		processAllMessages();
		verifyConnectedNetworkHasCapabilities(NetworkCapabilities.NET_CAPABILITY_DUN);

		mDataNetworkControllerUT.addNetworkRequest(
		createNetworkRequest(NetworkCapabilities.NET_CAPABILITY_INTERNET));
		processAllFutureMessages();
		// Lower priority network should not trump the higher priority network.
		verifyConnectedNetworkHasCapabilities(NetworkCapabilities.NET_CAPABILITY_DUN);
		verifyNoConnectedNetworkHasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);

		// Now send a higher priority network request
		TelephonyNetworkRequest fotaRequest = createNetworkRequest(
		NetworkCapabilities.NET_CAPABILITY_FOTA);
		mDataNetworkControllerUT.addNetworkRequest(fotaRequest);
		processAllFutureMessages();
		// The existing internet data network should be torn down.
		verifyNoConnectedNetworkHasCapability(NetworkCapabilities.NET_CAPABILITY_DUN);
		// The higher priority emergency data network should be established.
		verifyConnectedNetworkHasCapabilities(NetworkCapabilities.NET_CAPABILITY_FOTA);

		// Now remove the fota request and tear down fota network.
		mDataNetworkControllerUT.removeNetworkRequest(fotaRequest);
		processAllMessages();
		List<DataNetwork> dataNetworks = getDataNetworks();
		dataNetworks.get(0).tearDown(DataNetwork.TEAR_DOWN_REASON_CONNECTIVITY_SERVICE_UNWANTED);
		processAllMessages();

		// The tethering data network should come back since now it has the highest priority after
		// fota is gone.
		verifyConnectedNetworkHasCapabilities(NetworkCapabilities.NET_CAPABILITY_DUN);
		verifyNoConnectedNetworkHasCapability(NetworkCapabilities.NET_CAPABILITY_FOTA);
		}
		}

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

+12 −0

Original line number	Diff line number	Diff line
		@@ -487,6 +487,18 @@ public class DataProfileManagerTest extends TelephonyTest {
		assertThat(dp.getApnSetting().getApnName()).isEqualTo(TETHERING_APN);
		}

		@Test
		public void testGetDataProfileForNetworkRequestNoCompatibleRat() {
		NetworkRequest request = new NetworkRequest.Builder()
		.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
		.build();
		TelephonyNetworkRequest tnr = new TelephonyNetworkRequest(request, mPhone);
		DataProfile dp = mDataProfileManagerUT.getDataProfileForNetworkRequest(tnr,
		TelephonyManager.NETWORK_TYPE_GSM);
		// Should not find data profile due to RAT incompatible.
		assertThat(dp).isNull();
		}

		@Test
		public void testGetDataProfileForNetworkRequestRotation() {
		TelephonyNetworkRequest tnr = new TelephonyNetworkRequest(