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Merge "Use IDnsResolver instead of INetd for resolver related binder commands"

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This commit is contained in:
Luke Huang
2019-03-29 08:45:19 +00:00
committed by Gerrit Code Review
parent de6217b8e2 8141319b4d
commit efa4301a7f
8 changed files with 120 additions and 70 deletions
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26
services/core/java/com/android/server/ConnectivityService.java
View File

@@ -63,6 +63,7 @@ import android.net.ConnectionInfo;
import android.net.ConnectivityManager;
import android.net.ICaptivePortal;
import android.net.IConnectivityManager;
import android.net.IDnsResolver;
import android.net.IIpConnectivityMetrics;
import android.net.INetd;
import android.net.INetdEventCallback;
@@ -294,6 +295,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
private INetworkManagementService mNMS;
@VisibleForTesting
protected IDnsResolver mDnsResolver;
@VisibleForTesting
protected INetd mNetd;
private INetworkStatsService mStatsService;
private INetworkPolicyManager mPolicyManager;
@@ -525,6 +528,11 @@ public class ConnectivityService extends IConnectivityManager.Stub
return sMagicDecoderRing.get(what, Integer.toString(what));
}
private static IDnsResolver getDnsResolver() {
return IDnsResolver.Stub
.asInterface(ServiceManager.getService("dnsresolver"));
}
/** Handler thread used for both of the handlers below. */
@VisibleForTesting
protected final HandlerThread mHandlerThread;
@@ -810,13 +818,14 @@ public class ConnectivityService extends IConnectivityManager.Stub
public ConnectivityService(Context context, INetworkManagementService netManager,
INetworkStatsService statsService, INetworkPolicyManager policyManager) {
this(context, netManager, statsService, policyManager, new IpConnectivityLog());
this(context, netManager, statsService, policyManager,
getDnsResolver(), new IpConnectivityLog());
}
@VisibleForTesting
protected ConnectivityService(Context context, INetworkManagementService netManager,
INetworkStatsService statsService, INetworkPolicyManager policyManager,
IpConnectivityLog logger) {
IDnsResolver dnsresolver, IpConnectivityLog logger) {
if (DBG) log("ConnectivityService starting up");
mSystemProperties = getSystemProperties();
@@ -853,6 +862,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
mPolicyManagerInternal = checkNotNull(
LocalServices.getService(NetworkPolicyManagerInternal.class),
"missing NetworkPolicyManagerInternal");
mDnsResolver = checkNotNull(dnsresolver, "missing IDnsResolver");
mProxyTracker = makeProxyTracker();
mNetd = NetdService.getInstance();
@@ -1006,7 +1016,7 @@ public class ConnectivityService extends IConnectivityManager.Stub
mMultipathPolicyTracker = new MultipathPolicyTracker(mContext, mHandler);
mDnsManager = new DnsManager(mContext, mNMS, mSystemProperties);
mDnsManager = new DnsManager(mContext, mDnsResolver, mSystemProperties);
registerPrivateDnsSettingsCallbacks();
}
@@ -3021,9 +3031,9 @@ public class ConnectivityService extends IConnectivityManager.Stub
// NetworkFactories, so network traffic isn't interrupted for an unnecessarily
// long time.
try {
mNMS.removeNetwork(nai.network.netId);
} catch (Exception e) {
loge("Exception removing network: " + e);
mNetd.networkDestroy(nai.network.netId);
} catch (RemoteException | ServiceSpecificException e) {
loge("Exception destroying network: " + e);
}
mDnsManager.removeNetwork(nai.network);
}
@@ -5379,8 +5389,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
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, mNetd, mNMS,
factorySerialNumber);
mContext, mTrackerHandler, new NetworkMisc(networkMisc), this, mNetd, mDnsResolver,
mNMS, factorySerialNumber);
// Make sure the network capabilities reflect what the agent info says.
nai.networkCapabilities = mixInCapabilities(nai, nc);
final String extraInfo = networkInfo.getExtraInfo();

24
services/core/java/com/android/server/connectivity/DnsManager.java
View File

@@ -30,13 +30,15 @@ import static android.provider.Settings.Global.PRIVATE_DNS_SPECIFIER;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.net.IDnsResolver;
import android.net.LinkProperties;
import android.net.Network;
import android.net.NetworkUtils;
import android.net.Uri;
import android.net.shared.PrivateDnsConfig;
import android.os.Binder;
import android.os.INetworkManagementService;
import android.os.RemoteException;
import android.os.ServiceSpecificException;
import android.os.UserHandle;
import android.provider.Settings;
import android.text.TextUtils;
@@ -229,7 +231,7 @@ public class DnsManager {
private final Context mContext;
private final ContentResolver mContentResolver;
private final INetworkManagementService mNMS;
private final IDnsResolver mDnsResolver;
private final MockableSystemProperties mSystemProperties;
// TODO: Replace these Maps with SparseArrays.
private final Map<Integer, PrivateDnsConfig> mPrivateDnsMap;
@@ -243,10 +245,10 @@ public class DnsManager {
private String mPrivateDnsMode;
private String mPrivateDnsSpecifier;
public DnsManager(Context ctx, INetworkManagementService nms, MockableSystemProperties sp) {
public DnsManager(Context ctx, IDnsResolver dnsResolver, MockableSystemProperties sp) {
mContext = ctx;
mContentResolver = mContext.getContentResolver();
mNMS = nms;
mDnsResolver = dnsResolver;
mSystemProperties = sp;
mPrivateDnsMap = new HashMap<>();
mPrivateDnsValidationMap = new HashMap<>();
@@ -260,6 +262,12 @@ public class DnsManager {
}
public void removeNetwork(Network network) {
try {
mDnsResolver.clearResolverConfiguration(network.netId);
} catch (RemoteException | ServiceSpecificException e) {
Slog.e(TAG, "Error clearing DNS configuration: " + e);
return;
}
mPrivateDnsMap.remove(network.netId);
mPrivateDnsValidationMap.remove(network.netId);
}
@@ -344,10 +352,12 @@ public class DnsManager {
Slog.d(TAG, String.format("setDnsConfigurationForNetwork(%d, %s, %s, %s, %s, %s)",
netId, Arrays.toString(assignedServers), Arrays.toString(domainStrs),
Arrays.toString(params), tlsHostname, Arrays.toString(tlsServers)));
final String[] tlsFingerprints = new String[0];
try {
mNMS.setDnsConfigurationForNetwork(
netId, assignedServers, domainStrs, params, tlsHostname, tlsServers);
} catch (Exception e) {
mDnsResolver.setResolverConfiguration(
netId, assignedServers, domainStrs, params,
tlsHostname, tlsServers, tlsFingerprints);
} catch (RemoteException | ServiceSpecificException e) {
Slog.e(TAG, "Error setting DNS configuration: " + e);
return;
}

10
services/core/java/com/android/server/connectivity/Nat464Xlat.java
View File

@@ -17,6 +17,7 @@
package com.android.server.connectivity;
import android.net.ConnectivityManager;
import android.net.IDnsResolver;
import android.net.INetd;
import android.net.InetAddresses;
import android.net.InterfaceConfiguration;
@@ -65,6 +66,7 @@ public class Nat464Xlat extends BaseNetworkObserver {
NetworkInfo.State.SUSPENDED,
};
private final IDnsResolver mDnsResolver;
private final INetd mNetd;
private final INetworkManagementService mNMService;
@@ -84,7 +86,9 @@ public class Nat464Xlat extends BaseNetworkObserver {
private Inet6Address mIPv6Address;
private State mState = State.IDLE;
public Nat464Xlat(NetworkAgentInfo nai, INetd netd, INetworkManagementService nmService) {
public Nat464Xlat(NetworkAgentInfo nai, INetd netd, IDnsResolver dnsResolver,
INetworkManagementService nmService) {
mDnsResolver = dnsResolver;
mNetd = netd;
mNMService = nmService;
mNetwork = nai;
@@ -269,7 +273,7 @@ public class Nat464Xlat extends BaseNetworkObserver {
private void startPrefixDiscovery() {
try {
mNetd.resolverStartPrefix64Discovery(getNetId());
mDnsResolver.startPrefix64Discovery(getNetId());
mState = State.DISCOVERING;
} catch (RemoteException | ServiceSpecificException e) {
Slog.e(TAG, "Error starting prefix discovery on netId " + getNetId() + ": " + e);
@@ -278,7 +282,7 @@ public class Nat464Xlat extends BaseNetworkObserver {
private void stopPrefixDiscovery() {
try {
mNetd.resolverStopPrefix64Discovery(getNetId());
mDnsResolver.stopPrefix64Discovery(getNetId());
} catch (RemoteException | ServiceSpecificException e) {
Slog.e(TAG, "Error stopping prefix discovery on netId " + getNetId() + ": " + e);
}

5
services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
View File

@@ -17,6 +17,7 @@
package com.android.server.connectivity;
import android.content.Context;
import android.net.IDnsResolver;
import android.net.INetd;
import android.net.INetworkMonitor;
import android.net.LinkProperties;
@@ -255,7 +256,7 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo> {
public NetworkAgentInfo(Messenger messenger, AsyncChannel ac, Network net, NetworkInfo info,
LinkProperties lp, NetworkCapabilities nc, int score, Context context, Handler handler,
NetworkMisc misc, ConnectivityService connService, INetd netd,
INetworkManagementService nms, int factorySerialNumber) {
IDnsResolver dnsResolver, INetworkManagementService nms, int factorySerialNumber) {
this.messenger = messenger;
asyncChannel = ac;
network = net;
@@ -263,7 +264,7 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo> {
linkProperties = lp;
networkCapabilities = nc;
currentScore = score;
clatd = new Nat464Xlat(this, netd, nms);
clatd = new Nat464Xlat(this, netd, dnsResolver, nms);
mConnService = connService;
mContext = context;
mHandler = handler;

103
tests/net/java/com/android/server/ConnectivityServiceTest.java
View File

@@ -104,6 +104,7 @@ import android.net.ConnectivityManager.PacketKeepalive;
import android.net.ConnectivityManager.PacketKeepaliveCallback;
import android.net.ConnectivityManager.TooManyRequestsException;
import android.net.ConnectivityThread;
import android.net.IDnsResolver;
import android.net.INetd;
import android.net.INetworkMonitor;
import android.net.INetworkMonitorCallbacks;
@@ -240,6 +241,7 @@ public class ConnectivityServiceTest {
private static final String CLAT_PREFIX = "v4-";
private static final String MOBILE_IFNAME = "test_rmnet_data0";
private static final String WIFI_IFNAME = "test_wlan0";
private static final String[] EMPTY_STRING_ARRAY = new String[0];
private MockContext mServiceContext;
private WrappedConnectivityService mService;
@@ -256,6 +258,7 @@ public class ConnectivityServiceTest {
@Mock INetworkManagementService mNetworkManagementService;
@Mock INetworkStatsService mStatsService;
@Mock INetworkPolicyManager mNpm;
@Mock IDnsResolver mMockDnsResolver;
@Mock INetd mMockNetd;
@Mock NetworkStackClient mNetworkStack;
@@ -1053,8 +1056,8 @@ public class ConnectivityServiceTest {
public WrappedConnectivityService(Context context, INetworkManagementService netManager,
INetworkStatsService statsService, INetworkPolicyManager policyManager,
IpConnectivityLog log, INetd netd) {
super(context, netManager, statsService, policyManager, log);
IpConnectivityLog log, INetd netd, IDnsResolver dnsResolver) {
super(context, netManager, statsService, policyManager, dnsResolver, log);
mNetd = netd;
mLingerDelayMs = TEST_LINGER_DELAY_MS;
}
@@ -1218,7 +1221,8 @@ public class ConnectivityServiceTest {
mStatsService,
mNpm,
mock(IpConnectivityLog.class),
mMockNetd);
mMockNetd,
mMockDnsResolver);
final ArgumentCaptor<INetworkPolicyListener> policyListenerCaptor =
ArgumentCaptor.forClass(INetworkPolicyListener.class);
@@ -4777,14 +4781,14 @@ public class ConnectivityServiceTest {
ArgumentCaptor<String[]> tlsServers = ArgumentCaptor.forClass(String[].class);
// Clear any interactions that occur as a result of CS starting up.
reset(mNetworkManagementService);
reset(mMockDnsResolver);
final String[] EMPTY_STRING_ARRAY = new String[0];
mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
waitForIdle();
verify(mNetworkManagementService, never()).setDnsConfigurationForNetwork(
anyInt(), eq(EMPTY_STRING_ARRAY), any(), any(), eq(""), eq(EMPTY_STRING_ARRAY));
verifyNoMoreInteractions(mNetworkManagementService);
verify(mMockDnsResolver, never()).setResolverConfiguration(
anyInt(), eq(EMPTY_STRING_ARRAY), any(), any(), eq(""),
eq(EMPTY_STRING_ARRAY), eq(EMPTY_STRING_ARRAY));
verifyNoMoreInteractions(mMockDnsResolver);
final LinkProperties cellLp = new LinkProperties();
cellLp.setInterfaceName(MOBILE_IFNAME);
@@ -4801,28 +4805,29 @@ public class ConnectivityServiceTest {
mCellNetworkAgent.connect(false);
waitForIdle();
// CS tells netd about the empty DNS config for this network.
verify(mNetworkManagementService, atLeastOnce()).setDnsConfigurationForNetwork(
anyInt(), eq(EMPTY_STRING_ARRAY), any(), any(), eq(""), eq(EMPTY_STRING_ARRAY));
reset(mNetworkManagementService);
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(
anyInt(), eq(EMPTY_STRING_ARRAY), any(), any(), eq(""),
eq(EMPTY_STRING_ARRAY), eq(EMPTY_STRING_ARRAY));
reset(mMockDnsResolver);
cellLp.addDnsServer(InetAddress.getByName("2001:db8::1"));
mCellNetworkAgent.sendLinkProperties(cellLp);
waitForIdle();
verify(mNetworkManagementService, atLeastOnce()).setDnsConfigurationForNetwork(
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(
anyInt(), mStringArrayCaptor.capture(), any(), any(),
eq(""), tlsServers.capture());
eq(""), tlsServers.capture(), eq(EMPTY_STRING_ARRAY));
assertEquals(1, mStringArrayCaptor.getValue().length);
assertTrue(ArrayUtils.contains(mStringArrayCaptor.getValue(), "2001:db8::1"));
// Opportunistic mode.
assertTrue(ArrayUtils.contains(tlsServers.getValue(), "2001:db8::1"));
reset(mNetworkManagementService);
reset(mMockDnsResolver);
cellLp.addDnsServer(InetAddress.getByName("192.0.2.1"));
mCellNetworkAgent.sendLinkProperties(cellLp);
waitForIdle();
verify(mNetworkManagementService, atLeastOnce()).setDnsConfigurationForNetwork(
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(
anyInt(), mStringArrayCaptor.capture(), any(), any(),
eq(""), tlsServers.capture());
eq(""), tlsServers.capture(), eq(EMPTY_STRING_ARRAY));
assertEquals(2, mStringArrayCaptor.getValue().length);
assertTrue(ArrayUtils.containsAll(mStringArrayCaptor.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
@@ -4830,7 +4835,7 @@ public class ConnectivityServiceTest {
assertEquals(2, tlsServers.getValue().length);
assertTrue(ArrayUtils.containsAll(tlsServers.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
reset(mNetworkManagementService);
reset(mMockDnsResolver);
final String TLS_SPECIFIER = "tls.example.com";
final String TLS_SERVER6 = "2001:db8:53::53";
@@ -4840,22 +4845,21 @@ public class ConnectivityServiceTest {
new PrivateDnsConfig(TLS_SPECIFIER, TLS_IPS).toParcel());
waitForIdle();
verify(mNetworkManagementService, atLeastOnce()).setDnsConfigurationForNetwork(
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(
anyInt(), mStringArrayCaptor.capture(), any(), any(),
eq(TLS_SPECIFIER), eq(TLS_SERVERS));
eq(TLS_SPECIFIER), eq(TLS_SERVERS), eq(EMPTY_STRING_ARRAY));
assertEquals(2, mStringArrayCaptor.getValue().length);
assertTrue(ArrayUtils.containsAll(mStringArrayCaptor.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
reset(mNetworkManagementService);
reset(mMockDnsResolver);
}
@Test
public void testPrivateDnsSettingsChange() throws Exception {
final String[] EMPTY_STRING_ARRAY = new String[0];
ArgumentCaptor<String[]> tlsServers = ArgumentCaptor.forClass(String[].class);
// Clear any interactions that occur as a result of CS starting up.
reset(mNetworkManagementService);
reset(mMockDnsResolver);
// The default on Android is opportunistic mode ("Automatic").
setPrivateDnsSettings(PRIVATE_DNS_MODE_OPPORTUNISTIC, "ignored.example.com");
@@ -4868,9 +4872,10 @@ public class ConnectivityServiceTest {
mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
waitForIdle();
// CS tells netd about the empty DNS config for this network.
verify(mNetworkManagementService, never()).setDnsConfigurationForNetwork(
anyInt(), eq(EMPTY_STRING_ARRAY), any(), any(), eq(""), eq(EMPTY_STRING_ARRAY));
verifyNoMoreInteractions(mNetworkManagementService);
verify(mMockDnsResolver, never()).setResolverConfiguration(
anyInt(), eq(EMPTY_STRING_ARRAY), any(), any(), eq(""),
eq(EMPTY_STRING_ARRAY), eq(EMPTY_STRING_ARRAY));
verifyNoMoreInteractions(mMockDnsResolver);
final LinkProperties cellLp = new LinkProperties();
cellLp.setInterfaceName(MOBILE_IFNAME);
@@ -4889,9 +4894,9 @@ public class ConnectivityServiceTest {
mCellNetworkAgent.sendLinkProperties(cellLp);
mCellNetworkAgent.connect(false);
waitForIdle();
verify(mNetworkManagementService, atLeastOnce()).setDnsConfigurationForNetwork(
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(
anyInt(), mStringArrayCaptor.capture(), any(), any(),
eq(""), tlsServers.capture());
eq(""), tlsServers.capture(), eq(EMPTY_STRING_ARRAY));
assertEquals(2, mStringArrayCaptor.getValue().length);
assertTrue(ArrayUtils.containsAll(mStringArrayCaptor.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
@@ -4899,7 +4904,7 @@ public class ConnectivityServiceTest {
assertEquals(2, tlsServers.getValue().length);
assertTrue(ArrayUtils.containsAll(tlsServers.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
reset(mNetworkManagementService);
reset(mMockDnsResolver);
cellNetworkCallback.expectCallback(CallbackState.AVAILABLE, mCellNetworkAgent);
cellNetworkCallback.expectCallback(CallbackState.NETWORK_CAPABILITIES,
mCellNetworkAgent);
@@ -4911,26 +4916,26 @@ public class ConnectivityServiceTest {
assertNull(((LinkProperties)cbi.arg).getPrivateDnsServerName());
setPrivateDnsSettings(PRIVATE_DNS_MODE_OFF, "ignored.example.com");
verify(mNetworkManagementService, times(1)).setDnsConfigurationForNetwork(
verify(mMockDnsResolver, times(1)).setResolverConfiguration(
anyInt(), mStringArrayCaptor.capture(), any(), any(),
eq(""), eq(EMPTY_STRING_ARRAY));
eq(""), eq(EMPTY_STRING_ARRAY), eq(EMPTY_STRING_ARRAY));
assertEquals(2, mStringArrayCaptor.getValue().length);
assertTrue(ArrayUtils.containsAll(mStringArrayCaptor.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
reset(mNetworkManagementService);
reset(mMockDnsResolver);
cellNetworkCallback.assertNoCallback();
setPrivateDnsSettings(PRIVATE_DNS_MODE_OPPORTUNISTIC, "ignored.example.com");
verify(mNetworkManagementService, atLeastOnce()).setDnsConfigurationForNetwork(
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(
anyInt(), mStringArrayCaptor.capture(), any(), any(),
eq(""), tlsServers.capture());
eq(""), tlsServers.capture(), eq(EMPTY_STRING_ARRAY));
assertEquals(2, mStringArrayCaptor.getValue().length);
assertTrue(ArrayUtils.containsAll(mStringArrayCaptor.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
assertEquals(2, tlsServers.getValue().length);
assertTrue(ArrayUtils.containsAll(tlsServers.getValue(),
new String[]{"2001:db8::1", "192.0.2.1"}));
reset(mNetworkManagementService);
reset(mMockDnsResolver);
cellNetworkCallback.assertNoCallback();
setPrivateDnsSettings(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME, "strict.example.com");
@@ -5761,6 +5766,7 @@ public class ConnectivityServiceTest {
cellLp.addRoute(new RouteInfo((IpPrefix) null, myIpv6.getAddress(), MOBILE_IFNAME));
cellLp.addRoute(new RouteInfo(myIpv6, null, MOBILE_IFNAME));
reset(mNetworkManagementService);
reset(mMockDnsResolver);
when(mNetworkManagementService.getInterfaceConfig(CLAT_PREFIX + MOBILE_IFNAME))
.thenReturn(getClatInterfaceConfig(myIpv4));
@@ -5768,7 +5774,7 @@ public class ConnectivityServiceTest {
mCellNetworkAgent.sendLinkProperties(cellLp);
mCellNetworkAgent.connect(true);
networkCallback.expectAvailableThenValidatedCallbacks(mCellNetworkAgent);
verify(mMockNetd, times(1)).resolverStartPrefix64Discovery(cellNetId);
verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
// Switching default network updates TCP buffer sizes.
verifyTcpBufferSizeChange(ConnectivityService.DEFAULT_TCP_BUFFER_SIZES);
@@ -5778,17 +5784,22 @@ public class ConnectivityServiceTest {
cellLp.addLinkAddress(myIpv4);
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
verify(mMockNetd, times(1)).resolverStopPrefix64Discovery(cellNetId);
verify(mMockDnsResolver, times(1)).stopPrefix64Discovery(cellNetId);
verify(mMockDnsResolver, atLeastOnce()).setResolverConfiguration(
eq(cellNetId), eq(EMPTY_STRING_ARRAY), any(), any(),
eq(""), eq(EMPTY_STRING_ARRAY), eq(EMPTY_STRING_ARRAY));
verifyNoMoreInteractions(mMockNetd);
verifyNoMoreInteractions(mMockDnsResolver);
reset(mMockNetd);
reset(mMockDnsResolver);
// Remove IPv4 address. Expect prefix discovery to be started again.
cellLp.removeLinkAddress(myIpv4);
cellLp.removeRoute(new RouteInfo(myIpv4, null, MOBILE_IFNAME));
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
verify(mMockNetd, times(1)).resolverStartPrefix64Discovery(cellNetId);
verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
// When NAT64 prefix discovery succeeds, LinkProperties are updated and clatd is started.
Nat464Xlat clat = mService.getNat464Xlat(mCellNetworkAgent);
@@ -5818,6 +5829,12 @@ public class ConnectivityServiceTest {
assertNotEquals(stackedLpsAfterChange, Collections.EMPTY_LIST);
assertEquals(makeClatLinkProperties(myIpv4), stackedLpsAfterChange.get(0));
verify(mMockDnsResolver, times(1)).setResolverConfiguration(
eq(cellNetId), mStringArrayCaptor.capture(), any(), any(),
eq(""), eq(EMPTY_STRING_ARRAY), eq(EMPTY_STRING_ARRAY));
assertEquals(1, mStringArrayCaptor.getValue().length);
assertTrue(ArrayUtils.contains(mStringArrayCaptor.getValue(), "8.8.8.8"));
// Add ipv4 address, expect that clatd and prefix discovery are stopped and stacked
// linkproperties are cleaned up.
cellLp.addLinkAddress(myIpv4);
@@ -5825,7 +5842,7 @@ public class ConnectivityServiceTest {
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
verify(mMockNetd, times(1)).clatdStop(MOBILE_IFNAME);
verify(mMockNetd, times(1)).resolverStopPrefix64Discovery(cellNetId);
verify(mMockDnsResolver, times(1)).stopPrefix64Discovery(cellNetId);
// As soon as stop is called, the linkproperties lose the stacked interface.
networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
@@ -5840,7 +5857,9 @@ public class ConnectivityServiceTest {
networkCallback.assertNoCallback();
verifyNoMoreInteractions(mMockNetd);
verifyNoMoreInteractions(mMockDnsResolver);
reset(mMockNetd);
reset(mMockDnsResolver);
// Stopping prefix discovery causes netd to tell us that the NAT64 prefix is gone.
mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, false /* added */,
@@ -5854,7 +5873,7 @@ public class ConnectivityServiceTest {
cellLp.removeDnsServer(InetAddress.getByName("8.8.8.8"));
mCellNetworkAgent.sendLinkProperties(cellLp);
networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
verify(mMockNetd, times(1)).resolverStartPrefix64Discovery(cellNetId);
verify(mMockDnsResolver, times(1)).startPrefix64Discovery(cellNetId);
mService.mNetdEventCallback.onNat64PrefixEvent(cellNetId, true /* added */,
kNat64PrefixString, 96);
networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
@@ -5937,6 +5956,7 @@ public class ConnectivityServiceTest {
// Disconnect cell
reset(mNetworkManagementService);
reset(mMockNetd);
mCellNetworkAgent.disconnect();
networkCallback.expectCallback(CallbackState.LOST, mCellNetworkAgent);
// LOST callback is triggered earlier than removing idle timer. Broadcast should also be
@@ -5944,8 +5964,9 @@ public class ConnectivityServiceTest {
// unexpectedly before network being removed.
waitForIdle();
verify(mNetworkManagementService, times(0)).removeIdleTimer(eq(MOBILE_IFNAME));
verify(mNetworkManagementService, times(1)).removeNetwork(
eq(mCellNetworkAgent.getNetwork().netId));
verify(mMockNetd, times(1)).networkDestroy(eq(mCellNetworkAgent.getNetwork().netId));
verify(mMockDnsResolver, times(1))
.clearResolverConfiguration(eq(mCellNetworkAgent.getNetwork().netId));
// Disconnect wifi
ConditionVariable cv = waitForConnectivityBroadcasts(1);

6
tests/net/java/com/android/server/connectivity/DnsManagerTest.java
View File

@@ -29,13 +29,13 @@ import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.when;
import android.content.Context;
import android.net.IDnsResolver;
import android.net.IpPrefix;
import android.net.LinkAddress;
import android.net.LinkProperties;
import android.net.Network;
import android.net.RouteInfo;
import android.net.shared.PrivateDnsConfig;
import android.os.INetworkManagementService;
import android.provider.Settings;
import android.test.mock.MockContentResolver;
@@ -73,7 +73,7 @@ public class DnsManagerTest {
MockContentResolver mContentResolver;
@Mock Context mCtx;
@Mock INetworkManagementService mNMService;
@Mock IDnsResolver mMockDnsResolver;
@Mock MockableSystemProperties mSystemProperties;
@Before
@@ -83,7 +83,7 @@ public class DnsManagerTest {
mContentResolver.addProvider(Settings.AUTHORITY,
new FakeSettingsProvider());
when(mCtx.getContentResolver()).thenReturn(mContentResolver);
mDnsManager = new DnsManager(mCtx, mNMService, mSystemProperties);
mDnsManager = new DnsManager(mCtx, mMockDnsResolver, mSystemProperties);
// Clear the private DNS settings
Settings.Global.putString(mContentResolver, PRIVATE_DNS_DEFAULT_MODE, "");

4
tests/net/java/com/android/server/connectivity/LingerMonitorTest.java
View File

@@ -32,6 +32,7 @@ import android.app.PendingIntent;
import android.content.Context;
import android.content.res.Resources;
import android.net.ConnectivityManager;
import android.net.IDnsResolver;
import android.net.INetd;
import android.net.Network;
import android.net.NetworkCapabilities;
@@ -69,6 +70,7 @@ public class LingerMonitorTest {
LingerMonitor mMonitor;
@Mock ConnectivityService mConnService;
@Mock IDnsResolver mDnsResolver;
@Mock INetd mNetd;
@Mock INetworkManagementService mNMS;
@Mock Context mCtx;
@@ -353,7 +355,7 @@ public class LingerMonitorTest {
caps.addCapability(0);
caps.addTransportType(transport);
NetworkAgentInfo nai = new NetworkAgentInfo(null, null, new Network(netId), info, null,
caps, 50, mCtx, null, mMisc, mConnService, mNetd, mNMS,
caps, 50, mCtx, null, mMisc, mConnService, mNetd, mDnsResolver, mNMS,
NetworkFactory.SerialNumber.NONE);
nai.everValidated = true;
return nai;

12
tests/net/java/com/android/server/connectivity/Nat464XlatTest.java
View File

@@ -27,6 +27,7 @@ import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
import android.net.ConnectivityManager;
import android.net.IDnsResolver;
import android.net.INetd;
import android.net.InterfaceConfiguration;
import android.net.IpPrefix;
@@ -63,6 +64,7 @@ public class Nat464XlatTest {
@Mock ConnectivityService mConnectivity;
@Mock NetworkMisc mMisc;
@Mock IDnsResolver mDnsResolver;
@Mock INetd mNetd;
@Mock INetworkManagementService mNms;
@Mock InterfaceConfiguration mConfig;
@@ -72,7 +74,7 @@ public class Nat464XlatTest {
Handler mHandler;
Nat464Xlat makeNat464Xlat() {
return new Nat464Xlat(mNai, mNetd, mNms) {
return new Nat464Xlat(mNai, mNetd, mDnsResolver, mNms) {
@Override protected int getNetId() {
return NETID;
}
@@ -205,7 +207,7 @@ public class Nat464XlatTest {
verify(mNms).unregisterObserver(eq(nat));
assertTrue(c.getValue().getStackedLinks().isEmpty());
assertFalse(c.getValue().getAllInterfaceNames().contains(STACKED_IFACE));
verify(mNetd).resolverStopPrefix64Discovery(eq(NETID));
verify(mDnsResolver).stopPrefix64Discovery(eq(NETID));
assertIdle(nat);
// Stacked interface removed notification arrives and is ignored.
@@ -331,7 +333,7 @@ public class Nat464XlatTest {
verify(mNetd).clatdStop(eq(BASE_IFACE));
verify(mConnectivity, times(2)).handleUpdateLinkProperties(eq(mNai), c.capture());
verify(mNms).unregisterObserver(eq(nat));
verify(mNetd).resolverStopPrefix64Discovery(eq(NETID));
verify(mDnsResolver).stopPrefix64Discovery(eq(NETID));
assertTrue(c.getValue().getStackedLinks().isEmpty());
assertFalse(c.getValue().getAllInterfaceNames().contains(STACKED_IFACE));
assertIdle(nat);
@@ -358,7 +360,7 @@ public class Nat464XlatTest {
verify(mNetd).clatdStop(eq(BASE_IFACE));
verify(mNms).unregisterObserver(eq(nat));
verify(mNetd).resolverStopPrefix64Discovery(eq(NETID));
verify(mDnsResolver).stopPrefix64Discovery(eq(NETID));
assertIdle(nat);
// In-flight interface up notification arrives: no-op
@@ -390,7 +392,7 @@ public class Nat464XlatTest {
verify(mNetd).clatdStop(eq(BASE_IFACE));
verify(mNms).unregisterObserver(eq(nat));
verify(mNetd).resolverStopPrefix64Discovery(eq(NETID));
verify(mDnsResolver).stopPrefix64Discovery(eq(NETID));
assertIdle(nat);
verifyNoMoreInteractions(mNetd, mNms, mConnectivity);