Replace INetworkPolicyManager to NetworkPolicyManager

Connectivity service is going to become a mainline module which
will not able to access hidden APIs. Thus, use formal API
Context#getSystemService() to get network policy service instead
of hidden API ServiceManager#getService().

Bug: 170598012
Test: atest FrameworksNetTests FrameworksNetIntegrationTests
Change-Id: I4f286264b5800b2b922f85a76ddd20d64d53000a

services/core/java/com/android/server/ConnectivityService.java

@@ -95,7 +95,6 @@ import android.net.INetworkManagementEventObserver;
 import android.net.INetworkMonitor;
 import android.net.INetworkMonitorCallbacks;
 import android.net.INetworkPolicyListener;
-import android.net.INetworkPolicyManager;
 import android.net.INetworkStatsService;
 import android.net.ISocketKeepaliveCallback;
 import android.net.InetAddresses;
@@ -336,7 +335,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
     @VisibleForTesting
     protected INetd mNetd;
     private INetworkStatsService mStatsService;
-    private INetworkPolicyManager mPolicyManager;
+    private NetworkPolicyManager mPolicyManager;
     private NetworkPolicyManagerInternal mPolicyManagerInternal;
 
     /**
@@ -945,15 +944,15 @@ public class ConnectivityService extends IConnectivityManager.Stub
     }
 
     public ConnectivityService(Context context, INetworkManagementService netManager,
-            INetworkStatsService statsService, INetworkPolicyManager policyManager) {
+            INetworkStatsService statsService) {
-        this(context, netManager, statsService, policyManager, getDnsResolver(context),
+        this(context, netManager, statsService, getDnsResolver(context), new IpConnectivityLog(),
-                new IpConnectivityLog(), NetdService.getInstance(), new Dependencies());
+                NetdService.getInstance(), new Dependencies());
     }
 
     @VisibleForTesting
     protected ConnectivityService(Context context, INetworkManagementService netManager,
-            INetworkStatsService statsService, INetworkPolicyManager policyManager,
+            INetworkStatsService statsService, IDnsResolver dnsresolver, IpConnectivityLog logger,
-            IDnsResolver dnsresolver, IpConnectivityLog logger, INetd netd, Dependencies deps) {
+            INetd netd, Dependencies deps) {
         if (DBG) log("ConnectivityService starting up");
 
         mDeps = Objects.requireNonNull(deps, "missing Dependencies");
@@ -991,7 +990,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
 
         mNMS = Objects.requireNonNull(netManager, "missing INetworkManagementService");
         mStatsService = Objects.requireNonNull(statsService, "missing INetworkStatsService");
-        mPolicyManager = Objects.requireNonNull(policyManager, "missing INetworkPolicyManager");
+        mPolicyManager = mContext.getSystemService(NetworkPolicyManager.class);
         mPolicyManagerInternal = Objects.requireNonNull(
                 LocalServices.getService(NetworkPolicyManagerInternal.class),
                 "missing NetworkPolicyManagerInternal");
@@ -1007,12 +1006,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
         // To ensure uid rules are synchronized with Network Policy, register for
         // NetworkPolicyManagerService events must happen prior to NetworkPolicyManagerService
         // reading existing policy from disk.
-        try {
         mPolicyManager.registerListener(mPolicyListener);
-        } catch (RemoteException e) {
-            // ouch, no rules updates means some processes may never get network
-            loge("unable to register INetworkPolicyListener" + e);
-        }
 
         final PowerManager powerManager = (PowerManager) context.getSystemService(
                 Context.POWER_SERVICE);

services/core/java/com/android/server/ConnectivityServiceInitializer.java

@@ -20,7 +20,6 @@ import static android.os.IServiceManager.DUMP_FLAG_PRIORITY_HIGH;
 import static android.os.IServiceManager.DUMP_FLAG_PRIORITY_NORMAL;
 
 import android.content.Context;
-import android.net.INetworkPolicyManager;
 import android.net.INetworkStatsService;
 import android.os.INetworkManagementService;
 import android.os.ServiceManager;
@@ -38,7 +37,7 @@ public final class ConnectivityServiceInitializer extends SystemService {
         super(context);
         // TODO: Define formal APIs to get the needed services.
         mConnectivity = new ConnectivityService(context, getNetworkManagementService(),
-                getNetworkStatsService(), getNetworkPolicyManager());
+                getNetworkStatsService());
     }
 
     @Override
@@ -57,10 +56,4 @@ public final class ConnectivityServiceInitializer extends SystemService {
         return INetworkStatsService.Stub.asInterface(
                 ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
     }
-
-    private INetworkPolicyManager getNetworkPolicyManager() {
-        return INetworkPolicyManager.Stub.asInterface(
-                ServiceManager.getService(Context.NETWORK_POLICY_SERVICE));
-    }
-
 }

tests/net/integration/src/com/android/server/net/integrationtests/ConnectivityServiceIntegrationTest.kt

@@ -25,7 +25,6 @@ import android.content.ServiceConnection
 import android.net.ConnectivityManager
 import android.net.IDnsResolver
 import android.net.INetd
-import android.net.INetworkPolicyManager
 import android.net.INetworkStatsService
 import android.net.LinkProperties
 import android.net.NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL
@@ -88,8 +87,6 @@ class ConnectivityServiceIntegrationTest {
     @Mock
     private lateinit var statsService: INetworkStatsService
     @Mock
-    private lateinit var policyManager: INetworkPolicyManager
-    @Mock
     private lateinit var log: IpConnectivityLog
     @Mock
     private lateinit var netd: INetd
@@ -171,7 +168,7 @@ class ConnectivityServiceIntegrationTest {
     }
 
     private inner class TestConnectivityService(deps: Dependencies) : ConnectivityService(
-            context, netManager, statsService, policyManager, dnsResolver, log, netd, deps)
+            context, netManager, statsService, dnsResolver, log, netd, deps)
 
     private fun makeDependencies(): ConnectivityService.Dependencies {
         val deps = spy(ConnectivityService.Dependencies())

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

@@ -166,7 +166,6 @@ import android.net.INetd;
 import android.net.INetworkMonitor;
 import android.net.INetworkMonitorCallbacks;
 import android.net.INetworkPolicyListener;
-import android.net.INetworkPolicyManager;
 import android.net.INetworkStatsService;
 import android.net.InetAddresses;
 import android.net.InterfaceConfigurationParcel;
@@ -183,6 +182,7 @@ import android.net.NetworkCapabilities;
 import android.net.NetworkFactory;
 import android.net.NetworkInfo;
 import android.net.NetworkInfo.DetailedState;
+import android.net.NetworkPolicyManager;
 import android.net.NetworkRequest;
 import android.net.NetworkSpecifier;
 import android.net.NetworkStack;
@@ -365,7 +365,6 @@ public class ConnectivityServiceTest {
     @Mock INetworkManagementService mNetworkManagementService;
     @Mock INetworkStatsService mStatsService;
     @Mock IBatteryStats mBatteryStatsService;
-    @Mock INetworkPolicyManager mNpm;
     @Mock IDnsResolver mMockDnsResolver;
     @Mock INetd mMockNetd;
     @Mock NetworkStackClient mNetworkStack;
@@ -380,6 +379,7 @@ public class ConnectivityServiceTest {
     @Mock TelephonyManager mTelephonyManager;
     @Mock MockableSystemProperties mSystemProperties;
     @Mock EthernetManager mEthernetManager;
+    @Mock NetworkPolicyManager mNetworkPolicyManager;
 
     private ArgumentCaptor<ResolverParamsParcel> mResolverParamsParcelCaptor =
             ArgumentCaptor.forClass(ResolverParamsParcel.class);
@@ -477,6 +477,7 @@ public class ConnectivityServiceTest {
             if (Context.APP_OPS_SERVICE.equals(name)) return mAppOpsManager;
             if (Context.TELEPHONY_SERVICE.equals(name)) return mTelephonyManager;
             if (Context.ETHERNET_SERVICE.equals(name)) return mEthernetManager;
+            if (Context.NETWORK_POLICY_SERVICE.equals(name)) return mNetworkPolicyManager;
             return super.getSystemService(name);
         }
 
@@ -1326,7 +1327,6 @@ public class ConnectivityServiceTest {
         mService = new ConnectivityService(mServiceContext,
                 mNetworkManagementService,
                 mStatsService,
-                mNpm,
                 mMockDnsResolver,
                 mock(IpConnectivityLog.class),
                 mMockNetd,
@@ -1336,7 +1336,7 @@ public class ConnectivityServiceTest {
 
         final ArgumentCaptor<INetworkPolicyListener> policyListenerCaptor =
                 ArgumentCaptor.forClass(INetworkPolicyListener.class);
-        verify(mNpm).registerListener(policyListenerCaptor.capture());
+        verify(mNetworkPolicyManager).registerListener(policyListenerCaptor.capture());
         mPolicyListener = policyListenerCaptor.getValue();
 
         // Create local CM before sending system ready so that we can answer