Merge "Support Dual ViLTE stats" am: e456a6c3f8 am: dfcdeef584

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1540920

Change-Id: Iaa7d8d3dcb106cd19777fe1ff64db5ab4ea75991
diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index fe43c31..fc3174f 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -24,6 +24,7 @@
 import static android.content.Intent.ACTION_USER_REMOVED;
 import static android.content.Intent.EXTRA_UID;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
+import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
 import static android.net.NetworkIdentity.SUBTYPE_COMBINED;
 import static android.net.NetworkStack.checkNetworkStackPermission;
 import static android.net.NetworkStats.DEFAULT_NETWORK_ALL;
@@ -65,6 +66,7 @@
 import static android.provider.Settings.Global.NETSTATS_UID_TAG_DELETE_AGE;
 import static android.provider.Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES;
 import static android.provider.Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE;
+import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
 import static android.text.format.DateUtils.HOUR_IN_MILLIS;
 import static android.text.format.DateUtils.MINUTE_IN_MILLIS;
@@ -100,7 +102,9 @@
 import android.net.NetworkStats;
 import android.net.NetworkStats.NonMonotonicObserver;
 import android.net.NetworkStatsHistory;
+import android.net.NetworkSpecifier;
 import android.net.NetworkTemplate;
+import android.net.TelephonyNetworkSpecifier;
 import android.net.TrafficStats;
 import android.net.UnderlyingNetworkInfo;
 import android.net.Uri;
@@ -1320,8 +1324,9 @@
                             ident.getSubType(), ident.getSubscriberId(), ident.getNetworkId(),
                             ident.getRoaming(), true /* metered */,
                             true /* onDefaultNetwork */, ident.getOemManaged());
-                    findOrCreateNetworkIdentitySet(mActiveIfaces, IFACE_VT).add(vtIdent);
-                    findOrCreateNetworkIdentitySet(mActiveUidIfaces, IFACE_VT).add(vtIdent);
+                    final String ifaceVt = IFACE_VT + getSubIdForMobile(snapshot);
+                    findOrCreateNetworkIdentitySet(mActiveIfaces, ifaceVt).add(vtIdent);
+                    findOrCreateNetworkIdentitySet(mActiveUidIfaces, ifaceVt).add(vtIdent);
                 }
 
                 if (isMobile) {
@@ -1377,6 +1382,20 @@
         mMobileIfaces = mobileIfaces.toArray(new String[mobileIfaces.size()]);
     }
 
+    private static int getSubIdForMobile(@NonNull NetworkStateSnapshot state) {
+        if (!state.networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
+            throw new IllegalArgumentException("Mobile state need capability TRANSPORT_CELLULAR");
+        }
+
+        final NetworkSpecifier spec = state.networkCapabilities.getNetworkSpecifier();
+        if (spec instanceof TelephonyNetworkSpecifier) {
+             return ((TelephonyNetworkSpecifier) spec).getSubscriptionId();
+        } else {
+            Slog.wtf(TAG, "getSubIdForState invalid NetworkSpecifier");
+            return INVALID_SUBSCRIPTION_ID;
+        }
+    }
+
     /**
      * For networks with {@code TRANSPORT_CELLULAR}, get subType that was obtained through
      * {@link PhoneStateListener}. Otherwise, return 0 given that other networks with different
diff --git a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
index 9334e2c..eeeb4fb 100644
--- a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
+++ b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
@@ -89,6 +89,7 @@
 import android.net.NetworkStatsHistory;
 import android.net.NetworkTemplate;
 import android.net.UnderlyingNetworkInfo;
+import android.net.TelephonyNetworkSpecifier;
 import android.net.netstats.provider.INetworkStatsProviderCallback;
 import android.os.ConditionVariable;
 import android.os.Handler;
@@ -1280,6 +1281,77 @@
     }
 
     @Test
+    public void testDualVilteProviderStats() throws Exception {
+        // Pretend that network comes online.
+        expectDefaultSettings();
+        final int subId1 = 1;
+        final int subId2 = 2;
+        final NetworkStateSnapshot[] states = new NetworkStateSnapshot[]{
+                buildImsState(IMSI_1, subId1, TEST_IFACE),
+                buildImsState(IMSI_2, subId2, TEST_IFACE2)};
+        expectNetworkStatsSummary(buildEmptyStats());
+        expectNetworkStatsUidDetail(buildEmptyStats());
+
+        // Register custom provider and retrieve callback.
+        final TestableNetworkStatsProviderBinder provider =
+                new TestableNetworkStatsProviderBinder();
+        final INetworkStatsProviderCallback cb =
+                mService.registerNetworkStatsProvider("TEST", provider);
+        assertNotNull(cb);
+
+        mService.forceUpdateIfaces(NETWORKS_MOBILE, states, getActiveIface(states),
+                new UnderlyingNetworkInfo[0]);
+
+        // Verifies that one requestStatsUpdate will be called during iface update.
+        provider.expectOnRequestStatsUpdate(0 /* unused */);
+
+        // Create some initial traffic and report to the service.
+        incrementCurrentTime(HOUR_IN_MILLIS);
+        final String vtIface1 = NetworkStats.IFACE_VT + subId1;
+        final String vtIface2 = NetworkStats.IFACE_VT + subId2;
+        final NetworkStats expectedStats = new NetworkStats(0L, 1)
+                .addEntry(new NetworkStats.Entry(vtIface1, UID_RED, SET_DEFAULT,
+                        TAG_NONE, METERED_YES, ROAMING_NO, DEFAULT_NETWORK_YES,
+                        128L, 2L, 128L, 2L, 1L))
+                .addEntry(new NetworkStats.Entry(vtIface2, UID_RED, SET_DEFAULT,
+                        TAG_NONE, METERED_YES, ROAMING_NO, DEFAULT_NETWORK_YES,
+                        64L, 1L, 64L, 1L, 1L));
+        cb.notifyStatsUpdated(0 /* unused */, expectedStats, expectedStats);
+
+        // Make another empty mutable stats object. This is necessary since the new NetworkStats
+        // object will be used to compare with the old one in NetworkStatsRecoder, two of them
+        // cannot be the same object.
+        expectNetworkStatsUidDetail(buildEmptyStats());
+
+        forcePollAndWaitForIdle();
+
+        // Verifies that one requestStatsUpdate and setAlert will be called during polling.
+        provider.expectOnRequestStatsUpdate(0 /* unused */);
+        provider.expectOnSetAlert(MB_IN_BYTES);
+
+        // Verifies that service recorded history, does not verify uid tag part.
+        assertUidTotal(sTemplateImsi1, UID_RED, 128L, 2L, 128L, 2L, 1);
+
+        // Verifies that onStatsUpdated updates the stats accordingly.
+        NetworkStats stats = mSession.getSummaryForAllUid(
+                sTemplateImsi1, Long.MIN_VALUE, Long.MAX_VALUE, true);
+        assertEquals(1, stats.size());
+        assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_YES, ROAMING_NO,
+                DEFAULT_NETWORK_YES, 128L, 2L, 128L, 2L, 1L);
+
+        stats = mSession.getSummaryForAllUid(
+                sTemplateImsi2, Long.MIN_VALUE, Long.MAX_VALUE, true);
+        assertEquals(1, stats.size());
+        assertValues(stats, IFACE_ALL, UID_RED, SET_DEFAULT, TAG_NONE, METERED_YES, ROAMING_NO,
+                DEFAULT_NETWORK_YES, 64L, 1L, 64L, 1L, 1L);
+
+        // Verifies that unregister the callback will remove the provider from service.
+        cb.unregister();
+        forcePollAndWaitForIdle();
+        provider.assertNoCallback();
+    }
+
+    @Test
     public void testStatsProviderSetAlert() throws Exception {
         // Pretend that network comes online.
         expectDefaultSettings();
@@ -1616,6 +1688,20 @@
                 TYPE_MOBILE);
     }
 
+    private static NetworkStateSnapshot buildImsState(
+            String subscriberId, int subId, String ifaceName) {
+        final LinkProperties prop = new LinkProperties();
+        prop.setInterfaceName(ifaceName);
+        final NetworkCapabilities capabilities = new NetworkCapabilities();
+        capabilities.setCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED, true);
+        capabilities.setCapability(NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING, true);
+        capabilities.setCapability(NetworkCapabilities.NET_CAPABILITY_IMS, true);
+        capabilities.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR);
+        capabilities.setNetworkSpecifier(new TelephonyNetworkSpecifier(subId));
+        return new NetworkStateSnapshot(
+                MOBILE_NETWORK, capabilities, prop, subscriberId, TYPE_MOBILE);
+    }
+
     private long getElapsedRealtime() {
         return mElapsedRealtime;
     }