Support handling reconnect to QualifiedNetworkType (cd2f50b3) · Commits · e / devices / smdk4412 / android_frameworks_opt_telephony

flags/data.aconfig

+7 −0

Original line number	Diff line number	Diff line
		@@ -111,3 +111,10 @@ flag {
		description: "When QNS prefers MMS on IWLAN, MMS will be attempted on IWLAN if it can, even though if existing cellular network already supports MMS."
		bug: "316211526"
		}

		flag {
		name: "reconnect_qualified_network"
		namespace: "telephony"
		description: "This flag is for internal implementation to handle reconnect request from QNS in telephony FWK."
		bug: "319520561"
		}
		No newline at end of file

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -739,7 +739,7 @@ public class ServiceStateTracker extends Handler {

		mAccessNetworksManagerCallback = new AccessNetworksManagerCallback(this::post) {
		@Override
		public void onPreferredTransportChanged(int networkCapability) {
		public void onPreferredTransportChanged(int networkCapability, boolean forceReconnect) {
		// Check if preferred on IWLAN was changed in ServiceState.
		boolean isIwlanPreferred = mAccessNetworksManager.isAnyApnOnIwlan();
		if (mSS.isIwlanPreferred() != isIwlanPreferred) {

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

+32 −10

Original line number	Diff line number	Diff line
		@@ -234,6 +234,11 @@ public class AccessNetworksManager extends Handler {
		.mapToObj(AccessNetworkType::toString).collect(Collectors.joining(","))
		+ "]");

		handleQualifiedNetworksChanged(apnTypes, qualifiedNetworkTypes, false);
		}

		private void handleQualifiedNetworksChanged(
		int apnTypes, int[] qualifiedNetworkTypes, boolean forceReconnect) {
		if (Arrays.stream(qualifiedNetworkTypes).anyMatch(accessNetwork
		-> !DataUtils.isValidAccessNetwork(accessNetwork))) {
		loge("Invalid access networks " + Arrays.toString(qualifiedNetworkTypes));
		@@ -274,8 +279,9 @@ public class AccessNetworksManager extends Handler {
		AccessNetworkConstants.TRANSPORT_TYPE_WWAN);
		mAccessNetworksManagerCallbacks.forEach(callback ->
		callback.invokeFromExecutor(() ->
		callback.onPreferredTransportChanged(DataUtils
		.apnTypeToNetworkCapability(apnType))));
		callback.onPreferredTransportChanged(
		DataUtils.apnTypeToNetworkCapability(apnType),
		forceReconnect)));
		}
		} else {
		mAvailableNetworks.put(apnType, qualifiedNetworkTypes);
		@@ -297,7 +303,7 @@ public class AccessNetworksManager extends Handler {
		}

		if (!qualifiedNetworksList.isEmpty()) {
		setPreferredTransports(qualifiedNetworksList);
		setPreferredTransports(qualifiedNetworksList, forceReconnect);
		mQualifiedNetworksChangedRegistrants.notifyResult(qualifiedNetworksList);
		}
		}
		@@ -338,6 +344,17 @@ public class AccessNetworksManager extends Handler {
		}
		});
		}

		@Override
		public void onReconnectQualifedNetworkType(int apnTypes, int qualifiedNetworkType) {
		if (mFeatureFlags.reconnectQualifiedNetwork()) {
		log("onReconnectQualifedNetworkType: apnTypes = ["
		+ ApnSetting.getApnTypesStringFromBitmask(apnTypes)
		+ "], networks = [" + AccessNetworkType.toString(qualifiedNetworkType)
		+ "]");
		handleQualifiedNetworksChanged(apnTypes, new int[]{qualifiedNetworkType}, true);
		}
		}
		}

		private void onEmergencyDataNetworkPreferredTransportChanged(
		@@ -371,8 +388,10 @@ public class AccessNetworksManager extends Handler {
		* Called when preferred transport changed.
		*
		* @param networkCapability The network capability.
		* @param forceReconnect whether enforce reconnection to the preferred transport type.
		*/
		public abstract void onPreferredTransportChanged(@NetCapability int networkCapability);
		public abstract void onPreferredTransportChanged(
		@NetCapability int networkCapability, boolean forceReconnect);
		}

		/**
		@@ -610,7 +629,8 @@ public class AccessNetworksManager extends Handler {
		: AccessNetworkConstants.TRANSPORT_TYPE_WWAN;
		}

		private void setPreferredTransports(@NonNull List<QualifiedNetworks> networksList) {
		private void setPreferredTransports(
		@NonNull List<QualifiedNetworks> networksList, boolean forceReconnect) {
		for (QualifiedNetworks networks : networksList) {
		if (networks.qualifiedNetworks.length > 0) {
		int transport = getTransportFromAccessNetwork(networks.qualifiedNetworks[0]);
		@@ -618,11 +638,13 @@ public class AccessNetworksManager extends Handler {
		mPreferredTransports.put(networks.apnType, transport);
		mAccessNetworksManagerCallbacks.forEach(callback ->
		callback.invokeFromExecutor(() ->
		callback.onPreferredTransportChanged(DataUtils
		.apnTypeToNetworkCapability(networks.apnType))));
		callback.onPreferredTransportChanged(
		DataUtils.apnTypeToNetworkCapability(networks.apnType),
		forceReconnect)));
		logl("setPreferredTransports: apnType="
		+ ApnSetting.getApnTypeString(networks.apnType) + ", transport="
		+ AccessNetworkConstants.transportTypeToString(transport));
		+ AccessNetworkConstants.transportTypeToString(transport)
		+ (forceReconnect ? ", forceReconnect:true" : ""));
		}
		}
		}
		@@ -643,7 +665,7 @@ public class AccessNetworksManager extends Handler {
		* Get the preferred transport by network capability.
		*
		* @param networkCapability The network capability. (Note that only APN-type capabilities are
		* supported.
		* supported.)
		* @return The preferred transport.
		*/
		public @TransportType int getPreferredTransportByNetworkCapability(
		@@ -662,7 +684,7 @@ public class AccessNetworksManager extends Handler {
		* @return {@code true} if there is any APN is on IWLAN, otherwise {@code false}.
		*/
		public boolean isAnyApnOnIwlan() {
		for (int apnType : AccessNetworksManager.SUPPORTED_APN_TYPES) {
		for (int apnType : SUPPORTED_APN_TYPES) {
		if (getPreferredTransport(apnType) == AccessNetworkConstants.TRANSPORT_TYPE_WLAN) {
		return true;
		}

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -1185,7 +1185,7 @@ public class DataNetwork extends StateMachine {
		getHandler()::post) {
		@Override
		public void onPreferredTransportChanged(
		@NetCapability int networkCapability) {
		@NetCapability int networkCapability, boolean forceReconnect) {
		if (networkCapability == NetworkCapabilities.NET_CAPABILITY_MMS) {
		log("MMS preference changed.");
		updateNetworkCapabilities();

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

+19 −6

Original line number	Diff line number	Diff line
		@@ -952,13 +952,16 @@ public class DataNetworkController extends Handler {

		mAccessNetworksManager.registerCallback(new AccessNetworksManagerCallback(this::post) {
		@Override
		public void onPreferredTransportChanged(@NetCapability int capability) {
		public void onPreferredTransportChanged(
		@NetCapability int capability, boolean forceReconnect) {
		int preferredTransport = mAccessNetworksManager
		.getPreferredTransportByNetworkCapability(capability);
		logl("onPreferredTransportChanged: "
		+ DataUtils.networkCapabilityToString(capability) + " preferred on "
		+ AccessNetworkConstants.transportTypeToString(preferredTransport));
		DataNetworkController.this.onEvaluatePreferredTransport(capability);
		+ AccessNetworkConstants.transportTypeToString(preferredTransport)
		+ (forceReconnect ? "forceReconnect:true" : ""));

		DataNetworkController.this.onEvaluatePreferredTransport(capability, forceReconnect);
		if (!hasMessages(EVENT_REEVALUATE_UNSATISFIED_NETWORK_REQUESTS)) {
		sendMessage(obtainMessage(EVENT_REEVALUATE_UNSATISFIED_NETWORK_REQUESTS,
		DataEvaluationReason.PREFERRED_TRANSPORT_CHANGED));
		@@ -1142,7 +1145,7 @@ public class DataNetworkController extends Handler {
		}
		break;
		case EVENT_EVALUATE_PREFERRED_TRANSPORT:
		onEvaluatePreferredTransport(msg.arg1);
		onEvaluatePreferredTransport(msg.arg1, msg.arg2 != 0 /* forceReconnect */);
		break;
		case EVENT_SUBSCRIPTION_PLANS_CHANGED:
		SubscriptionPlan[] plans = (SubscriptionPlan[]) msg.obj;
		@@ -3223,8 +3226,12 @@ public class DataNetworkController extends Handler {
		* Called when needed to evaluate the preferred transport for certain capability.
		*
		* @param capability The network capability to evaluate.
		* @param forceReconnect indicates whether enforce reconnection to move to the preferred
		* transport type.
		*
		*/
		private void onEvaluatePreferredTransport(@NetCapability int capability) {
		private void onEvaluatePreferredTransport(
		@NetCapability int capability, boolean forceReconnect) {
		int preferredTransport = mAccessNetworksManager
		.getPreferredTransportByNetworkCapability(capability);
		log("onEvaluatePreferredTransport: " + DataUtils.networkCapabilityToString(capability)
		@@ -3248,7 +3255,13 @@ public class DataNetworkController extends Handler {
		continue;
		}

		tryHandoverDataNetwork(dataNetwork, preferredTransport, null/handoverRetryEntry/);
		if (forceReconnect) {
		tearDownGracefully(
		dataNetwork, DataNetwork.TEAR_DOWN_REASON_HANDOVER_NOT_ALLOWED);
		} else {
		tryHandoverDataNetwork(
		dataNetwork, preferredTransport, null/handoverRetryEntry/);
		}
		}
		}
		}