import android.annotation.NonNull;
import android.annotation.Nullable;
-import android.net.ProxyInfo;
-import android.os.Parcelable;
import android.os.Parcel;
+import android.os.Parcelable;
import android.text.TextUtils;
-import java.net.InetAddress;
import java.net.Inet4Address;
import java.net.Inet6Address;
+import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collection;
}
/**
+ * Make sure this LinkProperties instance contains routes that cover the local subnet
+ * of its link addresses. Add any route that is missing.
+ * @hide
+ */
+ public void ensureDirectlyConnectedRoutes() {
+ for (LinkAddress addr: mLinkAddresses) {
+ addRoute(new RouteInfo(addr, null, mIfaceName));
+ }
+ }
+
+ /**
* Returns all the routes on this link and all the links stacked above it.
* @hide
*/
public List<RouteInfo> getAllRoutes() {
- List<RouteInfo> routes = new ArrayList();
+ List<RouteInfo> routes = new ArrayList<>();
routes.addAll(mRoutes);
for (LinkProperties stacked: mStackedLinks.values()) {
routes.addAll(stacked.getAllRoutes());
import android.system.OsConstants;
import android.test.suitebuilder.annotation.SmallTest;
import android.test.suitebuilder.annotation.Suppress;
+import android.util.ArraySet;
+
import junit.framework.TestCase;
import java.net.InetAddress;
-import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Set;
public class LinkPropertiesTest extends TestCase {
stacked.addRoute(new RouteInfo((IpPrefix) null, stackedAddress));
assertTrue(v6lp.isReachable(DNS1));
}
+
+ @SmallTest
+ public void testLinkPropertiesEnsureDirectlyConnectedRoutes() {
+ // IPv4 case: no route added initially
+ LinkProperties rmnet0 = new LinkProperties();
+ rmnet0.setInterfaceName("rmnet0");
+ rmnet0.addLinkAddress(new LinkAddress("10.0.0.2/8"));
+ RouteInfo directRoute0 = new RouteInfo(new IpPrefix("10.0.0.0/8"), null,
+ rmnet0.getInterfaceName());
+
+ // Since no routes is added explicitly, getAllRoutes() should return empty.
+ assertTrue(rmnet0.getAllRoutes().isEmpty());
+ rmnet0.ensureDirectlyConnectedRoutes();
+ // ensureDirectlyConnectedRoutes() should have added the missing local route.
+ assertEqualRoutes(Collections.singletonList(directRoute0), rmnet0.getAllRoutes());
+
+ // IPv4 case: both direct and default routes added initially
+ LinkProperties rmnet1 = new LinkProperties();
+ rmnet1.setInterfaceName("rmnet1");
+ rmnet1.addLinkAddress(new LinkAddress("10.0.0.3/8"));
+ RouteInfo defaultRoute1 = new RouteInfo((IpPrefix) null,
+ NetworkUtils.numericToInetAddress("10.0.0.1"), rmnet1.getInterfaceName());
+ RouteInfo directRoute1 = new RouteInfo(new IpPrefix("10.0.0.0/8"), null,
+ rmnet1.getInterfaceName());
+ rmnet1.addRoute(defaultRoute1);
+ rmnet1.addRoute(directRoute1);
+
+ // Check added routes
+ assertEqualRoutes(Arrays.asList(defaultRoute1, directRoute1), rmnet1.getAllRoutes());
+ // ensureDirectlyConnectedRoutes() shouldn't change the routes since direct connected
+ // route is already part of the configuration.
+ rmnet1.ensureDirectlyConnectedRoutes();
+ assertEqualRoutes(Arrays.asList(defaultRoute1, directRoute1), rmnet1.getAllRoutes());
+
+ // IPv6 case: only default routes added initially
+ LinkProperties rmnet2 = new LinkProperties();
+ rmnet2.setInterfaceName("rmnet2");
+ rmnet2.addLinkAddress(new LinkAddress("fe80::cafe/64"));
+ rmnet2.addLinkAddress(new LinkAddress("2001:db8::2/64"));
+ RouteInfo defaultRoute2 = new RouteInfo((IpPrefix) null,
+ NetworkUtils.numericToInetAddress("2001:db8::1"), rmnet2.getInterfaceName());
+ RouteInfo directRoute2 = new RouteInfo(new IpPrefix("2001:db8::/64"), null,
+ rmnet2.getInterfaceName());
+ RouteInfo linkLocalRoute2 = new RouteInfo(new IpPrefix("fe80::/64"), null,
+ rmnet2.getInterfaceName());
+ rmnet2.addRoute(defaultRoute2);
+
+ assertEqualRoutes(Arrays.asList(defaultRoute2), rmnet2.getAllRoutes());
+ rmnet2.ensureDirectlyConnectedRoutes();
+ assertEqualRoutes(Arrays.asList(defaultRoute2, directRoute2, linkLocalRoute2),
+ rmnet2.getAllRoutes());
+
+ // Corner case: no interface name
+ LinkProperties rmnet3 = new LinkProperties();
+ rmnet3.addLinkAddress(new LinkAddress("192.168.0.2/24"));
+ RouteInfo directRoute3 = new RouteInfo(new IpPrefix("192.168.0.0/24"), null,
+ rmnet3.getInterfaceName());
+
+ assertTrue(rmnet3.getAllRoutes().isEmpty());
+ rmnet3.ensureDirectlyConnectedRoutes();
+ assertEqualRoutes(Collections.singletonList(directRoute3), rmnet3.getAllRoutes());
+
+ }
+
+ private void assertEqualRoutes(Collection<RouteInfo> expected, Collection<RouteInfo> actual) {
+ Set<RouteInfo> expectedSet = new ArraySet<>(expected);
+ Set<RouteInfo> actualSet = new ArraySet<>(actual);
+ // Duplicated entries in actual routes are considered failures
+ assertEquals(actual.size(), actualSet.size());
+
+ assertEquals(expectedSet, actualSet);
+ }
}
int currentScore, NetworkMisc networkMisc) {
enforceConnectivityInternalPermission();
+ LinkProperties lp = new LinkProperties(linkProperties);
+ lp.ensureDirectlyConnectedRoutes();
// TODO: Instead of passing mDefaultRequest, provide an API to determine whether a Network
// satisfies mDefaultRequest.
final NetworkAgentInfo nai = new NetworkAgentInfo(messenger, new AsyncChannel(),
- new Network(reserveNetId()), new NetworkInfo(networkInfo), new LinkProperties(
- linkProperties), new NetworkCapabilities(networkCapabilities), currentScore,
+ new Network(reserveNetId()), new NetworkInfo(networkInfo), lp,
+ new NetworkCapabilities(networkCapabilities), currentScore,
mContext, mTrackerHandler, new NetworkMisc(networkMisc), mDefaultRequest, this);
synchronized (this) {
nai.networkMonitor.systemReady = mSystemReady;
synchronized (nai) {
nai.linkProperties = newLp;
}
+ // msg.obj is already a defensive copy.
+ nai.linkProperties.ensureDirectlyConnectedRoutes();
if (nai.everConnected) {
updateLinkProperties(nai, oldLp);
}
import android.net.NetworkMisc;
import android.net.NetworkRequest;
import android.net.NetworkSpecifier;
+import android.net.NetworkUtils;
import android.net.RouteInfo;
import android.net.StringNetworkSpecifier;
import android.net.metrics.IpConnectivityLog;
import android.test.mock.MockContentResolver;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.TextUtils;
+import android.util.ArraySet;
import android.util.Log;
import android.util.LogPrinter;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
import java.util.Objects;
+import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
private String mRedirectUrl;
MockNetworkAgent(int transport) {
+ this(transport, new LinkProperties());
+ }
+
+ MockNetworkAgent(int transport, LinkProperties linkProperties) {
final int type = transportToLegacyType(transport);
final String typeName = ConnectivityManager.getNetworkTypeName(type);
mNetworkInfo = new NetworkInfo(type, 0, typeName, "Mock");
mHandlerThread.start();
mNetworkAgent = new NetworkAgent(mHandlerThread.getLooper(), mServiceContext,
"Mock-" + typeName, mNetworkInfo, mNetworkCapabilities,
- new LinkProperties(), mScore, new NetworkMisc()) {
+ linkProperties, mScore, new NetworkMisc()) {
@Override
public void unwanted() { mDisconnected.open(); }
assertException(() -> { mCm.requestRouteToHostAddress(TYPE_NONE, null); }, unsupported);
}
+ @SmallTest
+ public void testLinkPropertiesEnsuresDirectlyConnectedRoutes() {
+ final NetworkRequest networkRequest = new NetworkRequest.Builder()
+ .addTransportType(TRANSPORT_WIFI).build();
+ final TestNetworkCallback networkCallback = new TestNetworkCallback();
+ mCm.registerNetworkCallback(networkRequest, networkCallback);
+
+ LinkProperties lp = new LinkProperties();
+ lp.setInterfaceName("wlan0");
+ LinkAddress myIpv4Address = new LinkAddress("192.168.12.3/24");
+ RouteInfo myIpv4DefaultRoute = new RouteInfo((IpPrefix) null,
+ NetworkUtils.numericToInetAddress("192.168.12.1"), lp.getInterfaceName());
+ lp.addLinkAddress(myIpv4Address);
+ lp.addRoute(myIpv4DefaultRoute);
+
+ // Verify direct routes are added when network agent is first registered in
+ // ConnectivityService.
+ MockNetworkAgent networkAgent = new MockNetworkAgent(TRANSPORT_WIFI, lp);
+ networkAgent.connect(true);
+ networkCallback.expectCallback(CallbackState.AVAILABLE, networkAgent);
+ networkCallback.expectCallback(CallbackState.NETWORK_CAPABILITIES, networkAgent);
+ CallbackInfo cbi = networkCallback.expectCallback(CallbackState.LINK_PROPERTIES,
+ networkAgent);
+ networkCallback.expectCapabilitiesWith(NET_CAPABILITY_VALIDATED, networkAgent);
+ networkCallback.assertNoCallback();
+ checkDirectlyConnectedRoutes(cbi.arg, Arrays.asList(myIpv4Address),
+ Arrays.asList(myIpv4DefaultRoute));
+ checkDirectlyConnectedRoutes(mCm.getLinkProperties(networkAgent.getNetwork()),
+ Arrays.asList(myIpv4Address), Arrays.asList(myIpv4DefaultRoute));
+
+ // Verify direct routes are added during subsequent link properties updates.
+ LinkProperties newLp = new LinkProperties(lp);
+ LinkAddress myIpv6Address1 = new LinkAddress("fe80::cafe/64");
+ LinkAddress myIpv6Address2 = new LinkAddress("2001:db8::2/64");
+ newLp.addLinkAddress(myIpv6Address1);
+ newLp.addLinkAddress(myIpv6Address2);
+ networkAgent.sendLinkProperties(newLp);
+ cbi = networkCallback.expectCallback(CallbackState.LINK_PROPERTIES, networkAgent);
+ networkCallback.assertNoCallback();
+ checkDirectlyConnectedRoutes(cbi.arg,
+ Arrays.asList(myIpv4Address, myIpv6Address1, myIpv6Address2),
+ Arrays.asList(myIpv4DefaultRoute));
+ mCm.unregisterNetworkCallback(networkCallback);
+ }
+
+ private void checkDirectlyConnectedRoutes(Object callbackObj,
+ Collection<LinkAddress> linkAddresses, Collection<RouteInfo> otherRoutes) {
+ assertTrue(callbackObj instanceof LinkProperties);
+ LinkProperties lp = (LinkProperties) callbackObj;
+
+ Set<RouteInfo> expectedRoutes = new ArraySet<>();
+ expectedRoutes.addAll(otherRoutes);
+ for (LinkAddress address : linkAddresses) {
+ RouteInfo localRoute = new RouteInfo(address, null, lp.getInterfaceName());
+ // Duplicates in linkAddresses are considered failures
+ assertTrue(expectedRoutes.add(localRoute));
+ }
+ List<RouteInfo> observedRoutes = lp.getRoutes();
+ assertEquals(expectedRoutes.size(), observedRoutes.size());
+ assertTrue(observedRoutes.containsAll(expectedRoutes));
+ }
+
private static <T> void assertEmpty(T[] ts) {
int length = ts.length;
assertEquals("expected empty array, but length was " + length, 0, length);
OSDN Git Service
