Track and persist in stats whether traffic is on the default network.

This change adds the defaultNetwork to the ident based on current
system networking state, and persists that value to flash.

Bug: 35142602
Test: runtest frameworks-net
Test: downloaded files using default/non-default networks while watching dumpsys netstats
Change-Id: Id8776d149b2977548a9eb455ad4926af55e25aba

tests/net/java/com/android/server/net/NetworkStatsCollectionTest.java

@@ -195,7 +195,7 @@ public class NetworkStatsCollectionTest extends AndroidTestCase {
         final NetworkStats.Entry entry = new NetworkStats.Entry();
         final NetworkIdentitySet identSet = new NetworkIdentitySet();
         identSet.add(new NetworkIdentity(TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                TEST_IMSI, null, false, true));
+                TEST_IMSI, null, false, true, true));
 
         int myUid = Process.myUid();
         int otherUidInSameUser = Process.myUid() + 1;
@@ -447,7 +447,7 @@ public class NetworkStatsCollectionTest extends AndroidTestCase {
         final NetworkStatsCollection large = new NetworkStatsCollection(HOUR_IN_MILLIS);
         final NetworkIdentitySet ident = new NetworkIdentitySet();
         ident.add(new NetworkIdentity(ConnectivityManager.TYPE_MOBILE, -1, TEST_IMSI, null,
-                false, true));
+                false, true, true));
         large.recordData(ident, UID_ALL, SET_ALL, TAG_NONE, TIME_A, TIME_B,
                 new NetworkStats.Entry(12_730_893_164L, 1, 0, 0, 0));
 

tests/net/java/com/android/server/net/NetworkStatsObserversTest.java

@@ -226,6 +226,15 @@ public class NetworkStatsObserversTest {
         Mockito.verifyZeroInteractions(mockBinder);
     }
 
+    private NetworkIdentitySet makeTestIdentSet() {
+        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        identSet.add(new NetworkIdentity(
+                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
+                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */,
+                true /* defaultNetwork */));
+        return identSet;
+    }
+
     @Test
     public void testUpdateStats_initialSample_doesNotNotify() throws Exception {
         DataUsageRequest inputRequest = new DataUsageRequest(
@@ -237,10 +246,7 @@ public class NetworkStatsObserversTest {
         assertTrue(Objects.equals(sTemplateImsi1, request.template));
         assertEquals(THRESHOLD_BYTES, request.thresholdInBytes);
 
-        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        NetworkIdentitySet identSet = makeTestIdentSet();
-        identSet.add(new NetworkIdentity(
-                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */));
         mActiveIfaces.put(TEST_IFACE, identSet);
 
         // Baseline
@@ -265,10 +271,7 @@ public class NetworkStatsObserversTest {
         assertTrue(Objects.equals(sTemplateImsi1, request.template));
         assertEquals(THRESHOLD_BYTES, request.thresholdInBytes);
 
-        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        NetworkIdentitySet identSet = makeTestIdentSet();
-        identSet.add(new NetworkIdentity(
-                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */));
         mActiveIfaces.put(TEST_IFACE, identSet);
 
         // Baseline
@@ -300,10 +303,7 @@ public class NetworkStatsObserversTest {
         assertTrue(Objects.equals(sTemplateImsi1, request.template));
         assertEquals(THRESHOLD_BYTES, request.thresholdInBytes);
 
-        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        NetworkIdentitySet identSet = makeTestIdentSet();
-        identSet.add(new NetworkIdentity(
-                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */));
         mActiveIfaces.put(TEST_IFACE, identSet);
 
         // Baseline
@@ -336,10 +336,7 @@ public class NetworkStatsObserversTest {
         assertTrue(Objects.equals(sTemplateImsi1, request.template));
         assertEquals(THRESHOLD_BYTES, request.thresholdInBytes);
 
-        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        NetworkIdentitySet identSet = makeTestIdentSet();
-        identSet.add(new NetworkIdentity(
-                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */));
         mActiveUidIfaces.put(TEST_IFACE, identSet);
 
         // Baseline
@@ -374,10 +371,7 @@ public class NetworkStatsObserversTest {
         assertTrue(Objects.equals(sTemplateImsi1, request.template));
         assertEquals(THRESHOLD_BYTES, request.thresholdInBytes);
 
-        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        NetworkIdentitySet identSet = makeTestIdentSet();
-        identSet.add(new NetworkIdentity(
-                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */));
         mActiveUidIfaces.put(TEST_IFACE, identSet);
 
         // Baseline
@@ -411,10 +405,7 @@ public class NetworkStatsObserversTest {
         assertTrue(Objects.equals(sTemplateImsi1, request.template));
         assertEquals(THRESHOLD_BYTES, request.thresholdInBytes);
 
-        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        NetworkIdentitySet identSet = makeTestIdentSet();
-        identSet.add(new NetworkIdentity(
-                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */));
         mActiveUidIfaces.put(TEST_IFACE, identSet);
 
         // Baseline
@@ -449,10 +440,7 @@ public class NetworkStatsObserversTest {
         assertTrue(Objects.equals(sTemplateImsi1, request.template));
         assertEquals(THRESHOLD_BYTES, request.thresholdInBytes);
 
-        NetworkIdentitySet identSet = new NetworkIdentitySet();
+        NetworkIdentitySet identSet = makeTestIdentSet();
-        identSet.add(new NetworkIdentity(
-                TYPE_MOBILE, TelephonyManager.NETWORK_TYPE_UNKNOWN,
-                IMSI_1, null /* networkId */, false /* roaming */, true /* metered */));
         mActiveUidIfaces.put(TEST_IFACE, identSet);
 
         // Baseline