Merge "Prefer the VCN subscription when filtering for CBRS" into udc-dev am: 541ef6fb00

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22889527

Change-Id: I386a63dc375d58af9a07347ebae7b44d3019e100
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/src/com/android/systemui/statusbar/pipeline/mobile/domain/interactor/MobileIconsInteractor.kt

@@ -155,7 +155,8 @@ constructor(
         combine(
                 unfilteredSubscriptions,
                 mobileConnectionsRepo.activeMobileDataSubscriptionId,
-            ) { unfilteredSubs, activeId ->
+                connectivityRepository.vcnSubId,
+            ) { unfilteredSubs, activeId, vcnSubId ->
                 // Based on the old logic,
                 if (unfilteredSubs.size != 2) {
                     return@combine unfilteredSubs
@@ -182,7 +183,13 @@ constructor(
                     // return the non-opportunistic info
                     return@combine if (info1.isOpportunistic) listOf(info2) else listOf(info1)
                 } else {
-                    return@combine if (info1.subscriptionId == activeId) {
+                    // It's possible for the subId of the VCN to disagree with the active subId in
+                    // cases where the system has tried to switch but found no connection. In these
+                    // scenarios, VCN will always have the subId that we want to use, so use that
+                    // value instead of the activeId reported by telephony
+                    val subIdToKeep = vcnSubId ?: activeId
+
+                    return@combine if (info1.subscriptionId == subIdToKeep) {
                         listOf(info1)
                     } else {
                         listOf(info2)

packages/SystemUI/src/com/android/systemui/statusbar/pipeline/shared/ConnectivityInputLogger.kt

@@ -61,6 +61,10 @@ constructor(
             model::messagePrinter,
         )
     }
+
+    fun logVcnSubscriptionId(subId: Int) {
+        buffer.log(TAG, LogLevel.DEBUG, { int1 = subId }, { "vcnSubId changed: $int1" })
+    }
 }
 
 private const val TAG = "ConnectivityInputLogger"

packages/SystemUI/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepository.kt

@@ -27,6 +27,7 @@ import android.net.NetworkCapabilities.TRANSPORT_ETHERNET
 import android.net.NetworkCapabilities.TRANSPORT_WIFI
 import android.net.vcn.VcnTransportInfo
 import android.net.wifi.WifiInfo
+import android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID
 import androidx.annotation.ArrayRes
 import androidx.annotation.VisibleForTesting
 import com.android.systemui.Dumpable
@@ -50,10 +51,13 @@ import java.io.PrintWriter
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.shareIn
 import kotlinx.coroutines.flow.stateIn
 
 /**
@@ -66,6 +70,16 @@ interface ConnectivityRepository {
 
     /** Observable for which connection(s) are currently default. */
     val defaultConnections: StateFlow<DefaultConnectionModel>
+
+    /**
+     * Subscription ID of the [VcnTransportInfo] for the default connection.
+     *
+     * If the default network has a [VcnTransportInfo], then that transport info contains a subId of
+     * the VCN. When VCN is connected and default, this subId is what SystemUI will care about. In
+     * cases where telephony's activeDataSubscriptionId differs from this value, it is expected to
+     * eventually catch up and reflect what is represented here in the VcnTransportInfo.
+     */
+    val vcnSubId: StateFlow<Int?>
 }
 
 @SuppressLint("MissingPermission")
@@ -118,24 +132,13 @@ constructor(
                 initialValue = defaultHiddenIcons
             )
 
-    @SuppressLint("MissingPermission")
+    private val defaultNetworkCapabilities: SharedFlow<NetworkCapabilities?> =
-    override val defaultConnections: StateFlow<DefaultConnectionModel> =
         conflatedCallbackFlow {
                 val callback =
                     object : ConnectivityManager.NetworkCallback(FLAG_INCLUDE_LOCATION_INFO) {
                         override fun onLost(network: Network) {
                             logger.logOnDefaultLost(network)
-                            // The system no longer has a default network, so everything is
+                            trySend(null)
-                            // non-default.
-                            trySend(
-                                DefaultConnectionModel(
-                                    Wifi(isDefault = false),
-                                    Mobile(isDefault = false),
-                                    CarrierMerged(isDefault = false),
-                                    Ethernet(isDefault = false),
-                                    isValidated = false,
-                                )
-                            )
                         }
 
                         override fun onCapabilitiesChanged(
@@ -143,30 +146,7 @@ constructor(
                             networkCapabilities: NetworkCapabilities,
                         ) {
                             logger.logOnDefaultCapabilitiesChanged(network, networkCapabilities)
-
+                            trySend(networkCapabilities)
-                            val wifiInfo =
-                                networkCapabilities.getMainOrUnderlyingWifiInfo(connectivityManager)
-
-                            val isWifiDefault =
-                                networkCapabilities.hasTransport(TRANSPORT_WIFI) || wifiInfo != null
-                            val isMobileDefault =
-                                networkCapabilities.hasTransport(TRANSPORT_CELLULAR)
-                            val isCarrierMergedDefault = wifiInfo?.isCarrierMerged == true
-                            val isEthernetDefault =
-                                networkCapabilities.hasTransport(TRANSPORT_ETHERNET)
-
-                            val isValidated =
-                                networkCapabilities.hasCapability(NET_CAPABILITY_VALIDATED)
-
-                            trySend(
-                                DefaultConnectionModel(
-                                    Wifi(isWifiDefault),
-                                    Mobile(isMobileDefault),
-                                    CarrierMerged(isCarrierMergedDefault),
-                                    Ethernet(isEthernetDefault),
-                                    isValidated,
-                                )
-                            )
                         }
                     }
 
@@ -174,6 +154,61 @@ constructor(
 
                 awaitClose { connectivityManager.unregisterNetworkCallback(callback) }
             }
+            .shareIn(scope, SharingStarted.WhileSubscribed())
+
+    override val vcnSubId: StateFlow<Int?> =
+        defaultNetworkCapabilities
+            .map { networkCapabilities ->
+                networkCapabilities?.run {
+                    val subId = (transportInfo as? VcnTransportInfo)?.subId
+                    // Never return an INVALID_SUBSCRIPTION_ID (-1)
+                    if (subId != INVALID_SUBSCRIPTION_ID) {
+                        subId
+                    } else {
+                        null
+                    }
+                }
+            }
+            .distinctUntilChanged()
+            /* A note for logging: we use -2 here since -1 == INVALID_SUBSCRIPTION_ID */
+            .onEach { logger.logVcnSubscriptionId(it ?: -2) }
+            .stateIn(scope, SharingStarted.Eagerly, null)
+
+    @SuppressLint("MissingPermission")
+    override val defaultConnections: StateFlow<DefaultConnectionModel> =
+        defaultNetworkCapabilities
+            .map { networkCapabilities ->
+                if (networkCapabilities == null) {
+                    // The system no longer has a default network, so everything is
+                    // non-default.
+                    DefaultConnectionModel(
+                        Wifi(isDefault = false),
+                        Mobile(isDefault = false),
+                        CarrierMerged(isDefault = false),
+                        Ethernet(isDefault = false),
+                        isValidated = false,
+                    )
+                } else {
+                    val wifiInfo =
+                        networkCapabilities.getMainOrUnderlyingWifiInfo(connectivityManager)
+
+                    val isWifiDefault =
+                        networkCapabilities.hasTransport(TRANSPORT_WIFI) || wifiInfo != null
+                    val isMobileDefault = networkCapabilities.hasTransport(TRANSPORT_CELLULAR)
+                    val isCarrierMergedDefault = wifiInfo?.isCarrierMerged == true
+                    val isEthernetDefault = networkCapabilities.hasTransport(TRANSPORT_ETHERNET)
+
+                    val isValidated = networkCapabilities.hasCapability(NET_CAPABILITY_VALIDATED)
+
+                    DefaultConnectionModel(
+                        Wifi(isWifiDefault),
+                        Mobile(isMobileDefault),
+                        CarrierMerged(isCarrierMergedDefault),
+                        Ethernet(isEthernetDefault),
+                        isValidated,
+                    )
+                }
+            }
             .distinctUntilChanged()
             .onEach { logger.logDefaultConnectionsChanged(it) }
             .stateIn(scope, SharingStarted.Eagerly, DefaultConnectionModel())

packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/mobile/domain/interactor/MobileIconsInteractorTest.kt

@@ -271,6 +271,52 @@ class MobileIconsInteractorTest : SysuiTestCase() {
             job.cancel()
         }
 
+    @Test
+    fun filteredSubscriptions_vcnSubId_agreesWithActiveSubId_usesActiveAkaVcnSub() =
+        testScope.runTest {
+            val (sub1, sub3) =
+                createSubscriptionPair(
+                    subscriptionIds = Pair(SUB_1_ID, SUB_3_ID),
+                    opportunistic = Pair(true, true),
+                    grouped = true,
+                )
+            connectionsRepository.setSubscriptions(listOf(sub1, sub3))
+            connectionsRepository.setActiveMobileDataSubscriptionId(SUB_3_ID)
+            connectivityRepository.vcnSubId.value = SUB_3_ID
+            whenever(carrierConfigTracker.alwaysShowPrimarySignalBarInOpportunisticNetworkDefault)
+                .thenReturn(false)
+
+            var latest: List<SubscriptionModel>? = null
+            val job = underTest.filteredSubscriptions.onEach { latest = it }.launchIn(this)
+
+            assertThat(latest).isEqualTo(listOf(sub3))
+
+            job.cancel()
+        }
+
+    @Test
+    fun filteredSubscriptions_vcnSubId_disagreesWithActiveSubId_usesVcnSub() =
+        testScope.runTest {
+            val (sub1, sub3) =
+                createSubscriptionPair(
+                    subscriptionIds = Pair(SUB_1_ID, SUB_3_ID),
+                    opportunistic = Pair(true, true),
+                    grouped = true,
+                )
+            connectionsRepository.setSubscriptions(listOf(sub1, sub3))
+            connectionsRepository.setActiveMobileDataSubscriptionId(SUB_3_ID)
+            connectivityRepository.vcnSubId.value = SUB_1_ID
+            whenever(carrierConfigTracker.alwaysShowPrimarySignalBarInOpportunisticNetworkDefault)
+                .thenReturn(false)
+
+            var latest: List<SubscriptionModel>? = null
+            val job = underTest.filteredSubscriptions.onEach { latest = it }.launchIn(this)
+
+            assertThat(latest).isEqualTo(listOf(sub1))
+
+            job.cancel()
+        }
+
     @Test
     fun activeDataConnection_turnedOn() =
         testScope.runTest {

packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/shared/data/repository/ConnectivityRepositoryImplTest.kt

@@ -24,6 +24,7 @@ import android.net.NetworkCapabilities.TRANSPORT_ETHERNET
 import android.net.NetworkCapabilities.TRANSPORT_WIFI
 import android.net.vcn.VcnTransportInfo
 import android.net.wifi.WifiInfo
+import android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.dump.DumpManager
@@ -37,6 +38,7 @@ import com.android.systemui.statusbar.pipeline.shared.data.repository.Connectivi
 import com.android.systemui.tuner.TunerService
 import com.android.systemui.util.mockito.any
 import com.android.systemui.util.mockito.argumentCaptor
+import com.android.systemui.util.mockito.eq
 import com.android.systemui.util.mockito.mock
 import com.google.common.truth.Truth.assertThat
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -654,6 +656,139 @@ class ConnectivityRepositoryImplTest : SysuiTestCase() {
             job.cancel()
         }
 
+    @Test
+    fun vcnSubId_initiallyNull() {
+        assertThat(underTest.vcnSubId.value).isNull()
+    }
+
+    @Test
+    fun vcnSubId_tracksVcnTransportInfo() =
+        testScope.runTest {
+            val vcnInfo = VcnTransportInfo(SUB_1_ID)
+
+            var latest: Int? = null
+            val job = underTest.vcnSubId.onEach { latest = it }.launchIn(this)
+
+            val capabilities =
+                mock<NetworkCapabilities>().also {
+                    whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
+                    whenever(it.transportInfo).thenReturn(vcnInfo)
+                }
+
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isEqualTo(SUB_1_ID)
+            job.cancel()
+        }
+
+    @Test
+    fun vcnSubId_filersOutInvalid() =
+        testScope.runTest {
+            val vcnInfo = VcnTransportInfo(INVALID_SUBSCRIPTION_ID)
+
+            var latest: Int? = null
+            val job = underTest.vcnSubId.onEach { latest = it }.launchIn(this)
+
+            val capabilities =
+                mock<NetworkCapabilities>().also {
+                    whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
+                    whenever(it.transportInfo).thenReturn(vcnInfo)
+                }
+
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isNull()
+            job.cancel()
+        }
+
+    @Test
+    fun vcnSubId_nullIfNoTransportInfo() =
+        testScope.runTest {
+            var latest: Int? = null
+            val job = underTest.vcnSubId.onEach { latest = it }.launchIn(this)
+
+            val capabilities =
+                mock<NetworkCapabilities>().also {
+                    whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
+                    whenever(it.transportInfo).thenReturn(null)
+                }
+
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isNull()
+            job.cancel()
+        }
+
+    @Test
+    fun vcnSubId_nullIfVcnInfoIsNotCellular() =
+        testScope.runTest {
+            // If the underlying network of the VCN is a WiFi network, then there is no subId that
+            // could disagree with telephony's active data subscription id.
+
+            var latest: Int? = null
+            val job = underTest.vcnSubId.onEach { latest = it }.launchIn(this)
+
+            val wifiInfo = mock<WifiInfo>()
+            val vcnInfo = VcnTransportInfo(wifiInfo)
+            val capabilities =
+                mock<NetworkCapabilities>().also {
+                    whenever(it.hasTransport(TRANSPORT_CELLULAR)).thenReturn(true)
+                    whenever(it.transportInfo).thenReturn(vcnInfo)
+                }
+
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isNull()
+            job.cancel()
+        }
+
+    @Test
+    fun vcnSubId_changingVcnInfoIsTracked() =
+        testScope.runTest {
+            var latest: Int? = null
+            val job = underTest.vcnSubId.onEach { latest = it }.launchIn(this)
+
+            val wifiInfo = mock<WifiInfo>()
+            val wifiVcnInfo = VcnTransportInfo(wifiInfo)
+            val sub1VcnInfo = VcnTransportInfo(SUB_1_ID)
+            val sub2VcnInfo = VcnTransportInfo(SUB_2_ID)
+
+            val capabilities =
+                mock<NetworkCapabilities>().also {
+                    whenever(it.hasTransport(TRANSPORT_WIFI)).thenReturn(true)
+                    whenever(it.transportInfo).thenReturn(wifiVcnInfo)
+                }
+
+            // WIFI VCN info
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isNull()
+
+            // Cellular VCN info with subId 1
+            whenever(capabilities.hasTransport(eq(TRANSPORT_CELLULAR))).thenReturn(true)
+            whenever(capabilities.transportInfo).thenReturn(sub1VcnInfo)
+
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isEqualTo(SUB_1_ID)
+
+            // Cellular VCN info with subId 2
+            whenever(capabilities.transportInfo).thenReturn(sub2VcnInfo)
+
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isEqualTo(SUB_2_ID)
+
+            // No VCN anymore
+            whenever(capabilities.transportInfo).thenReturn(null)
+
+            getDefaultNetworkCallback().onCapabilitiesChanged(NETWORK, capabilities)
+
+            assertThat(latest).isNull()
+
+            job.cancel()
+        }
+
     @Test
     fun getMainOrUnderlyingWifiInfo_wifi_hasInfo() {
         val wifiInfo = mock<WifiInfo>()
@@ -964,6 +1099,9 @@ class ConnectivityRepositoryImplTest : SysuiTestCase() {
         private const val SLOT_WIFI = "wifi"
         private const val SLOT_MOBILE = "mobile"
 
+        private const val SUB_1_ID = 1
+        private const val SUB_2_ID = 2
+
         const val NETWORK_ID = 45
         val NETWORK = mock<Network>().apply { whenever(this.getNetId()).thenReturn(NETWORK_ID) }
     }

packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/shared/data/repository/FakeConnectivityRepository.kt

@@ -30,6 +30,8 @@ class FakeConnectivityRepository : ConnectivityRepository {
     override val defaultConnections: StateFlow<DefaultConnectionModel> =
         MutableStateFlow(DefaultConnectionModel())
 
+    override val vcnSubId: MutableStateFlow<Int?> = MutableStateFlow(null)
+
     fun setForceHiddenIcons(hiddenIcons: Set<ConnectivitySlot>) {
         _forceHiddenIcons.value = hiddenIcons
     }