Merge "Fix a bug where listen callbacks would not be called" am: d36130f759 am: 2d51f15105 am: 0a07cc6615

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1620900

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I216167c2809ddc12e4a92faedf3bb4dc5c1a56cb

2 files changed, 54 insertions, 13 deletions

diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 9a5e4ca0068a..ce3a38ccaa49 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -3661,6 +3661,13 @@ public class ConnectivityService extends IConnectivityManager.Stub
                     }
                 }
             }
+            // If this NRI has a satisfier already, it is replacing an older request that
+            // has been removed. Track it.
+            final NetworkRequest activeRequest = nri.getActiveRequest();
+            if (null != activeRequest) {
+                // If there is an active request, then for sure there is a satisfier.
+                nri.getSatisfier().addRequest(activeRequest);
+            }
         }
 
         rematchAllNetworksAndRequests();
@@ -5281,14 +5288,26 @@ public class ConnectivityService extends IConnectivityManager.Stub
             ensureAllNetworkRequestsHaveType(r);
             mRequests = initializeRequests(r);
             mNetworkRequestForCallback = nri.getNetworkRequestForCallback();
-            // Note here that the satisfier may have corresponded to an old request, that
-            // this code doesn't try to take over. While it is a small discrepancy in the
-            // structure of these requests, it will be fixed by the next rematch and it's
-            // not as bad as having an NRI not storing its real satisfier.
-            // Fixing this discrepancy would require figuring out in the copying code what
-            // is the new request satisfied by this, which is a bit complex and not very
-            // useful as no code is using it until rematch fixes it.
-            mSatisfier = nri.mSatisfier;
+            final NetworkAgentInfo satisfier = nri.getSatisfier();
+            if (null != satisfier) {
+                // If the old NRI was satisfied by an NAI, then it may have had an active request.
+                // The active request is necessary to figure out what callbacks to send, in
+                // particular then a network updates its capabilities.
+                // As this code creates a new NRI with a new set of requests, figure out which of
+                // the list of requests should be the active request. It is always the first
+                // request of the list that can be satisfied by the satisfier since the order of
+                // requests is a priority order.
+                // Note even in the presence of a satisfier there may not be an active request,
+                // when the satisfier is the no-service network.
+                NetworkRequest activeRequest = null;
+                for (final NetworkRequest candidate : r) {
+                    if (candidate.canBeSatisfiedBy(satisfier.networkCapabilities)) {
+                        activeRequest = candidate;
+                        break;
+                    }
+                }
+                setSatisfier(satisfier, activeRequest);
+            }
             mMessenger = nri.mMessenger;
             mBinder = nri.mBinder;
             mPid = nri.mPid;
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index cc1ac61c2ab9..2c6a21ad7570 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -72,6 +72,7 @@ import static android.net.NetworkCapabilities.NET_CAPABILITY_OEM_PRIVATE;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_RCS;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_SUPL;
+import static android.net.NetworkCapabilities.NET_CAPABILITY_TEMPORARILY_NOT_METERED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_TRUSTED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_WIFI_P2P;
@@ -5574,7 +5575,7 @@ public class ConnectivityServiceTest {
         reset(mStatsManager);
 
         // Temp metered change shouldn't update ifaces
-        mCellNetworkAgent.addCapability(NetworkCapabilities.NET_CAPABILITY_TEMPORARILY_NOT_METERED);
+        mCellNetworkAgent.addCapability(NET_CAPABILITY_TEMPORARILY_NOT_METERED);
         waitForIdle();
         verify(mStatsManager, never()).notifyNetworkStatus(eq(Arrays.asList(onlyCell)),
                 any(List.class), eq(MOBILE_IFNAME), any(List.class));
@@ -10652,7 +10653,7 @@ public class ConnectivityServiceTest {
                 null,
                 null);
 
-        // default NCs will be unregistered in tearDown
+        // default callbacks will be unregistered in tearDown
     }
 
     /**
@@ -10709,7 +10710,7 @@ public class ConnectivityServiceTest {
                 null,
                 mService.mNoServiceNetwork.network());
 
-        // default NCs will be unregistered in tearDown
+        // default callbacks will be unregistered in tearDown
     }
 
     /**
@@ -10768,7 +10769,7 @@ public class ConnectivityServiceTest {
                 null,
                 mService.mNoServiceNetwork.network());
 
-        // default NCs will be unregistered in tearDown
+        // default callbacks will be unregistered in tearDown
     }
 
     /**
@@ -10827,7 +10828,28 @@ public class ConnectivityServiceTest {
                 null,
                 mService.mNoServiceNetwork.network());
 
-        // default NCs will be unregistered in tearDown
+        // default callbacks will be unregistered in tearDown
+    }
+
+    @Test
+    public void testCapabilityWithOemNetworkPreference() throws Exception {
+        @OemNetworkPreferences.OemNetworkPreference final int networkPref =
+                OemNetworkPreferences.OEM_NETWORK_PREFERENCE_OEM_PRIVATE_ONLY;
+        setupMultipleDefaultNetworksForOemNetworkPreferenceNotCurrentUidTest(networkPref);
+        registerDefaultNetworkCallbacks();
+
+        setOemNetworkPreferenceAgentConnected(TRANSPORT_CELLULAR, true);
+
+        mSystemDefaultNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
+        mDefaultNetworkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
+
+        mCellNetworkAgent.addCapability(NET_CAPABILITY_TEMPORARILY_NOT_METERED);
+        mSystemDefaultNetworkCallback.expectCapabilitiesThat(mCellNetworkAgent, nc ->
+                nc.hasCapability(NET_CAPABILITY_TEMPORARILY_NOT_METERED));
+        mDefaultNetworkCallback.expectCapabilitiesThat(mCellNetworkAgent, nc ->
+                nc.hasCapability(NET_CAPABILITY_TEMPORARILY_NOT_METERED));
+
+        // default callbacks will be unregistered in tearDown
     }
 
     @Test