Merge changes Iec53a9fd,Iac4cfe70

* changes:
  Test parceling empty LinkProperties.
  Delete the clatd functions from NetworkManagementService.
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index d0666b9..d6f3e2b 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -4879,7 +4879,7 @@
         final NetworkCapabilities nc = new NetworkCapabilities(networkCapabilities);
         final NetworkAgentInfo nai = new NetworkAgentInfo(messenger, new AsyncChannel(),
                 new Network(reserveNetId()), new NetworkInfo(networkInfo), lp, nc, currentScore,
-                mContext, mTrackerHandler, new NetworkMisc(networkMisc), this);
+                mContext, mTrackerHandler, new NetworkMisc(networkMisc), this, mNetd, mNMS);
         // Make sure the network capabilities reflect what the agent info says.
         nai.networkCapabilities = mixInCapabilities(nai, nc);
         final String extraInfo = networkInfo.getExtraInfo();
diff --git a/services/core/java/com/android/server/connectivity/Nat464Xlat.java b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
index 6596d27..9d9b1cf 100644
--- a/services/core/java/com/android/server/connectivity/Nat464Xlat.java
+++ b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
@@ -16,8 +16,9 @@
 
 package com.android.server.connectivity;
 
-import android.net.InterfaceConfiguration;
 import android.net.ConnectivityManager;
+import android.net.INetd;
+import android.net.InterfaceConfiguration;
 import android.net.LinkAddress;
 import android.net.LinkProperties;
 import android.net.NetworkInfo;
@@ -59,6 +60,7 @@
         NetworkInfo.State.SUSPENDED,
     };
 
+    private final INetd mNetd;
     private final INetworkManagementService mNMService;
 
     // The network we're running on, and its type.
@@ -76,7 +78,8 @@
     private String mIface;
     private State mState = State.IDLE;
 
-    public Nat464Xlat(INetworkManagementService nmService, NetworkAgentInfo nai) {
+    public Nat464Xlat(NetworkAgentInfo nai, INetd netd, INetworkManagementService nmService) {
+        mNetd = netd;
         mNMService = nmService;
         mNetwork = nai;
     }
@@ -140,7 +143,7 @@
             return;
         }
         try {
-            mNMService.startClatd(baseIface);
+            mNetd.clatdStart(baseIface);
         } catch(RemoteException|IllegalStateException e) {
             Slog.e(TAG, "Error starting clatd on " + baseIface, e);
         }
@@ -162,7 +165,7 @@
      */
     private void enterStoppingState() {
         try {
-            mNMService.stopClatd(mBaseIface);
+            mNetd.clatdStop(mBaseIface);
         } catch(RemoteException|IllegalStateException e) {
             Slog.e(TAG, "Error stopping clatd on " + mBaseIface, e);
         }
@@ -204,7 +207,7 @@
             Slog.e(TAG, "startClat: Can't start clat on null interface");
             return;
         }
-        // TODO: should we only do this if mNMService.startClatd() succeeds?
+        // TODO: should we only do this if mNetd.clatdStart() succeeds?
         Slog.i(TAG, "Starting clatd on " + baseIface);
         enterStartingState(baseIface);
     }
diff --git a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
index 54c89aa..9ea73fb 100644
--- a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
@@ -17,6 +17,7 @@
 package com.android.server.connectivity;
 
 import android.content.Context;
+import android.net.INetd;
 import android.net.INetworkMonitor;
 import android.net.LinkProperties;
 import android.net.Network;
@@ -239,12 +240,15 @@
     private static final String TAG = ConnectivityService.class.getSimpleName();
     private static final boolean VDBG = false;
     private final ConnectivityService mConnService;
+    private final INetd mNetd;
+    private final INetworkManagementService mNMS;
     private final Context mContext;
     private final Handler mHandler;
 
     public NetworkAgentInfo(Messenger messenger, AsyncChannel ac, Network net, NetworkInfo info,
             LinkProperties lp, NetworkCapabilities nc, int score, Context context, Handler handler,
-            NetworkMisc misc, ConnectivityService connService) {
+            NetworkMisc misc, ConnectivityService connService, INetd netd,
+            INetworkManagementService nms) {
         this.messenger = messenger;
         asyncChannel = ac;
         network = net;
@@ -253,6 +257,8 @@
         networkCapabilities = nc;
         currentScore = score;
         mConnService = connService;
+        mNetd = netd;
+        mNMS = nms;
         mContext = context;
         mHandler = handler;
         networkMisc = misc;
@@ -587,18 +593,18 @@
 
     public void updateClat(INetworkManagementService netd) {
         if (Nat464Xlat.requiresClat(this)) {
-            maybeStartClat(netd);
+            maybeStartClat();
         } else {
             maybeStopClat();
         }
     }
 
     /** Ensure clat has started for this network. */
-    public void maybeStartClat(INetworkManagementService netd) {
+    public void maybeStartClat() {
         if (clatd != null && clatd.isStarted()) {
             return;
         }
-        clatd = new Nat464Xlat(netd, this);
+        clatd = new Nat464Xlat(this, mNetd, mNMS);
         clatd.start();
     }
 
diff --git a/tests/net/java/android/net/LinkPropertiesTest.java b/tests/net/java/android/net/LinkPropertiesTest.java
index 932fee0..299fbef 100644
--- a/tests/net/java/android/net/LinkPropertiesTest.java
+++ b/tests/net/java/android/net/LinkPropertiesTest.java
@@ -849,6 +849,18 @@
         assertEquals(new ArraySet<>(expectRemoved), (new ArraySet<>(result.removed)));
     }
 
+    private void assertParcelingIsLossless(LinkProperties source) {
+        Parcel p = Parcel.obtain();
+        source.writeToParcel(p, /* flags */ 0);
+        p.setDataPosition(0);
+        final byte[] marshalled = p.marshall();
+        p = Parcel.obtain();
+        p.unmarshall(marshalled, 0, marshalled.length);
+        p.setDataPosition(0);
+        LinkProperties dest = LinkProperties.CREATOR.createFromParcel(p);
+        assertEquals(source, dest);
+    }
+
     @Test
     public void testLinkPropertiesParcelable() throws Exception {
         LinkProperties source = new LinkProperties();
@@ -870,15 +882,12 @@
 
         source.setNat64Prefix(new IpPrefix("2001:db8:1:2:64:64::/96"));
 
-        Parcel p = Parcel.obtain();
-        source.writeToParcel(p, /* flags */ 0);
-        p.setDataPosition(0);
-        final byte[] marshalled = p.marshall();
-        p = Parcel.obtain();
-        p.unmarshall(marshalled, 0, marshalled.length);
-        p.setDataPosition(0);
-        LinkProperties dest = LinkProperties.CREATOR.createFromParcel(p);
+        assertParcelingIsLossless(source);
+    }
 
-        assertEquals(source, dest);
+    @Test
+    public void testParcelUninitialized() throws Exception {
+        LinkProperties empty = new LinkProperties();
+        assertParcelingIsLossless(empty);
     }
 }
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index bf39644..2a92a7d 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -4683,7 +4683,7 @@
         mCellNetworkAgent.sendLinkProperties(cellLp);
         mCellNetworkAgent.connect(true);
         networkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
-        verify(mNetworkManagementService, times(1)).startClatd(MOBILE_IFNAME);
+        verify(mMockNetd, times(1)).clatdStart(MOBILE_IFNAME);
         Nat464Xlat clat = mService.getNat464Xlat(mCellNetworkAgent);
 
         // Clat iface up, expect stack link updated.
@@ -4710,7 +4710,7 @@
         mCellNetworkAgent.sendLinkProperties(cellLp);
         waitForIdle();
         networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
-        verify(mNetworkManagementService, times(1)).stopClatd(MOBILE_IFNAME);
+        verify(mMockNetd, times(1)).clatdStop(MOBILE_IFNAME);
 
         // Clat iface removed, expect linkproperties revert to original one
         clat.interfaceRemoved(CLAT_PREFIX + MOBILE_IFNAME);
diff --git a/tests/net/java/com/android/server/connectivity/LingerMonitorTest.java b/tests/net/java/com/android/server/connectivity/LingerMonitorTest.java
index 4c52d81..9578ded 100644
--- a/tests/net/java/com/android/server/connectivity/LingerMonitorTest.java
+++ b/tests/net/java/com/android/server/connectivity/LingerMonitorTest.java
@@ -32,11 +32,13 @@
 import android.content.Context;
 import android.content.res.Resources;
 import android.net.ConnectivityManager;
+import android.net.INetd;
 import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo;
 import android.net.NetworkMisc;
 import android.net.NetworkStack;
+import android.os.INetworkManagementService;
 import android.support.test.filters.SmallTest;
 import android.support.test.runner.AndroidJUnit4;
 import android.text.format.DateUtils;
@@ -66,6 +68,8 @@
     LingerMonitor mMonitor;
 
     @Mock ConnectivityService mConnService;
+    @Mock INetd mNetd;
+    @Mock INetworkManagementService mNMS;
     @Mock Context mCtx;
     @Mock NetworkMisc mMisc;
     @Mock NetworkNotificationManager mNotifier;
@@ -352,7 +356,7 @@
         caps.addCapability(0);
         caps.addTransportType(transport);
         NetworkAgentInfo nai = new NetworkAgentInfo(null, null, new Network(netId), info, null,
-                caps, 50, mCtx, null, mMisc, mConnService);
+                caps, 50, mCtx, null, mMisc, mConnService, mNetd, mNMS);
         nai.everValidated = true;
         return nai;
     }
diff --git a/tests/net/java/com/android/server/connectivity/Nat464XlatTest.java b/tests/net/java/com/android/server/connectivity/Nat464XlatTest.java
index bf42412..07b1d05 100644
--- a/tests/net/java/com/android/server/connectivity/Nat464XlatTest.java
+++ b/tests/net/java/com/android/server/connectivity/Nat464XlatTest.java
@@ -17,9 +17,7 @@
 package com.android.server.connectivity;
 
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
-import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -27,6 +25,7 @@
 import static org.mockito.Mockito.when;
 
 import android.net.ConnectivityManager;
+import android.net.INetd;
 import android.net.InterfaceConfiguration;
 import android.net.LinkAddress;
 import android.net.LinkProperties;
@@ -57,6 +56,7 @@
 
     @Mock ConnectivityService mConnectivity;
     @Mock NetworkMisc mMisc;
+    @Mock INetd mNetd;
     @Mock INetworkManagementService mNms;
     @Mock InterfaceConfiguration mConfig;
     @Mock NetworkAgentInfo mNai;
@@ -65,7 +65,7 @@
     Handler mHandler;
 
     Nat464Xlat makeNat464Xlat() {
-        return new Nat464Xlat(mNms, mNai);
+        return new Nat464Xlat(mNai, mNetd, mNms);
     }
 
     @Before
@@ -129,7 +129,7 @@
         nat.start();
 
         verify(mNms).registerObserver(eq(nat));
-        verify(mNms).startClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStart(eq(BASE_IFACE));
 
         // Stacked interface up notification arrives.
         nat.interfaceLinkStateChanged(STACKED_IFACE, true);
@@ -144,7 +144,7 @@
         // ConnectivityService stops clat (Network disconnects, IPv4 addr appears, ...).
         nat.stop();
 
-        verify(mNms).stopClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStop(eq(BASE_IFACE));
 
         // Stacked interface removed notification arrives.
         nat.interfaceRemoved(STACKED_IFACE);
@@ -156,7 +156,7 @@
         assertFalse(c.getValue().getAllInterfaceNames().contains(STACKED_IFACE));
         assertIdle(nat);
 
-        verifyNoMoreInteractions(mNms, mConnectivity);
+        verifyNoMoreInteractions(mNetd, mNms, mConnectivity);
     }
 
     @Test
@@ -168,7 +168,7 @@
         nat.start();
 
         verify(mNms).registerObserver(eq(nat));
-        verify(mNms).startClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStart(eq(BASE_IFACE));
 
         // Stacked interface up notification arrives.
         nat.interfaceLinkStateChanged(STACKED_IFACE, true);
@@ -185,7 +185,7 @@
         mLooper.dispatchNext();
 
         verify(mNms).unregisterObserver(eq(nat));
-        verify(mNms).stopClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStop(eq(BASE_IFACE));
         verify(mConnectivity, times(2)).handleUpdateLinkProperties(eq(mNai), c.capture());
         assertTrue(c.getValue().getStackedLinks().isEmpty());
         assertFalse(c.getValue().getAllInterfaceNames().contains(STACKED_IFACE));
@@ -194,7 +194,7 @@
         // ConnectivityService stops clat: no-op.
         nat.stop();
 
-        verifyNoMoreInteractions(mNms, mConnectivity);
+        verifyNoMoreInteractions(mNetd, mNms, mConnectivity);
     }
 
     @Test
@@ -205,13 +205,13 @@
         nat.start();
 
         verify(mNms).registerObserver(eq(nat));
-        verify(mNms).startClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStart(eq(BASE_IFACE));
 
         // ConnectivityService immediately stops clat (Network disconnects, IPv4 addr appears, ...)
         nat.stop();
 
         verify(mNms).unregisterObserver(eq(nat));
-        verify(mNms).stopClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStop(eq(BASE_IFACE));
         assertIdle(nat);
 
         // In-flight interface up notification arrives: no-op
@@ -225,7 +225,7 @@
 
         assertIdle(nat);
 
-        verifyNoMoreInteractions(mNms, mConnectivity);
+        verifyNoMoreInteractions(mNetd, mNms, mConnectivity);
     }
 
     @Test
@@ -236,16 +236,16 @@
         nat.start();
 
         verify(mNms).registerObserver(eq(nat));
-        verify(mNms).startClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStart(eq(BASE_IFACE));
 
         // ConnectivityService immediately stops clat (Network disconnects, IPv4 addr appears, ...)
         nat.stop();
 
         verify(mNms).unregisterObserver(eq(nat));
-        verify(mNms).stopClatd(eq(BASE_IFACE));
+        verify(mNetd).clatdStop(eq(BASE_IFACE));
         assertIdle(nat);
 
-        verifyNoMoreInteractions(mNms, mConnectivity);
+        verifyNoMoreInteractions(mNetd, mNms, mConnectivity);
     }
 
     static void assertIdle(Nat464Xlat nat) {