| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.net; |
| |
| import android.net.IpPrefix; |
| import android.net.LinkAddress; |
| import android.net.LinkProperties; |
| import android.net.LinkProperties.ProvisioningChange; |
| import android.net.RouteInfo; |
| import android.system.OsConstants; |
| import android.test.suitebuilder.annotation.SmallTest; |
| import android.test.suitebuilder.annotation.Suppress; |
| import junit.framework.TestCase; |
| |
| import java.net.InetAddress; |
| import java.util.ArrayList; |
| |
| |
| public class LinkPropertiesTest extends TestCase { |
| private static InetAddress ADDRV4 = NetworkUtils.numericToInetAddress("75.208.6.1"); |
| private static InetAddress ADDRV6 = NetworkUtils.numericToInetAddress( |
| "2001:0db8:85a3:0000:0000:8a2e:0370:7334"); |
| private static InetAddress DNS1 = NetworkUtils.numericToInetAddress("75.208.7.1"); |
| private static InetAddress DNS2 = NetworkUtils.numericToInetAddress("69.78.7.1"); |
| private static InetAddress DNS6 = NetworkUtils.numericToInetAddress("2001:4860:4860::8888"); |
| private static InetAddress GATEWAY1 = NetworkUtils.numericToInetAddress("75.208.8.1"); |
| private static InetAddress GATEWAY2 = NetworkUtils.numericToInetAddress("69.78.8.1"); |
| private static InetAddress GATEWAY61 = NetworkUtils.numericToInetAddress("fe80::6:0000:613"); |
| private static InetAddress GATEWAY62 = NetworkUtils.numericToInetAddress("fe80::6:2222"); |
| private static String NAME = "qmi0"; |
| private static int MTU = 1500; |
| |
| private static LinkAddress LINKADDRV4 = new LinkAddress(ADDRV4, 32); |
| private static LinkAddress LINKADDRV6 = new LinkAddress(ADDRV6, 128); |
| private static LinkAddress LINKADDRV6LINKLOCAL = new LinkAddress("fe80::1/64"); |
| |
| // TODO: replace all calls to NetworkUtils.numericToInetAddress with calls to this method. |
| private InetAddress Address(String addrString) { |
| return NetworkUtils.numericToInetAddress(addrString); |
| } |
| |
| public void assertLinkPropertiesEqual(LinkProperties source, LinkProperties target) { |
| // Check implementation of equals(), element by element. |
| assertTrue(source.isIdenticalInterfaceName(target)); |
| assertTrue(target.isIdenticalInterfaceName(source)); |
| |
| assertTrue(source.isIdenticalAddresses(target)); |
| assertTrue(target.isIdenticalAddresses(source)); |
| |
| assertTrue(source.isIdenticalDnses(target)); |
| assertTrue(target.isIdenticalDnses(source)); |
| |
| assertTrue(source.isIdenticalRoutes(target)); |
| assertTrue(target.isIdenticalRoutes(source)); |
| |
| assertTrue(source.isIdenticalHttpProxy(target)); |
| assertTrue(target.isIdenticalHttpProxy(source)); |
| |
| assertTrue(source.isIdenticalStackedLinks(target)); |
| assertTrue(target.isIdenticalStackedLinks(source)); |
| |
| assertTrue(source.isIdenticalMtu(target)); |
| assertTrue(target.isIdenticalMtu(source)); |
| |
| // Check result of equals(). |
| assertTrue(source.equals(target)); |
| assertTrue(target.equals(source)); |
| |
| // Check hashCode. |
| assertEquals(source.hashCode(), target.hashCode()); |
| } |
| |
| @SmallTest |
| public void testEqualsNull() { |
| LinkProperties source = new LinkProperties(); |
| LinkProperties target = new LinkProperties(); |
| |
| assertFalse(source == target); |
| assertLinkPropertiesEqual(source, target); |
| } |
| |
| @SmallTest |
| public void testEqualsSameOrder() { |
| try { |
| LinkProperties source = new LinkProperties(); |
| source.setInterfaceName(NAME); |
| // set 2 link addresses |
| source.addLinkAddress(LINKADDRV4); |
| source.addLinkAddress(LINKADDRV6); |
| // set 2 dnses |
| source.addDnsServer(DNS1); |
| source.addDnsServer(DNS2); |
| // set 2 gateways |
| source.addRoute(new RouteInfo(GATEWAY1)); |
| source.addRoute(new RouteInfo(GATEWAY2)); |
| source.setMtu(MTU); |
| |
| LinkProperties target = new LinkProperties(); |
| |
| // All fields are same |
| target.setInterfaceName(NAME); |
| target.addLinkAddress(LINKADDRV4); |
| target.addLinkAddress(LINKADDRV6); |
| target.addDnsServer(DNS1); |
| target.addDnsServer(DNS2); |
| target.addRoute(new RouteInfo(GATEWAY1)); |
| target.addRoute(new RouteInfo(GATEWAY2)); |
| target.setMtu(MTU); |
| |
| assertLinkPropertiesEqual(source, target); |
| |
| target.clear(); |
| // change Interface Name |
| target.setInterfaceName("qmi1"); |
| target.addLinkAddress(LINKADDRV4); |
| target.addLinkAddress(LINKADDRV6); |
| target.addDnsServer(DNS1); |
| target.addDnsServer(DNS2); |
| target.addRoute(new RouteInfo(GATEWAY1)); |
| target.addRoute(new RouteInfo(GATEWAY2)); |
| target.setMtu(MTU); |
| assertFalse(source.equals(target)); |
| |
| target.clear(); |
| target.setInterfaceName(NAME); |
| // change link addresses |
| target.addLinkAddress(new LinkAddress( |
| NetworkUtils.numericToInetAddress("75.208.6.2"), 32)); |
| target.addLinkAddress(LINKADDRV6); |
| target.addDnsServer(DNS1); |
| target.addDnsServer(DNS2); |
| target.addRoute(new RouteInfo(GATEWAY1)); |
| target.addRoute(new RouteInfo(GATEWAY2)); |
| target.setMtu(MTU); |
| assertFalse(source.equals(target)); |
| |
| target.clear(); |
| target.setInterfaceName(NAME); |
| target.addLinkAddress(LINKADDRV4); |
| target.addLinkAddress(LINKADDRV6); |
| // change dnses |
| target.addDnsServer(NetworkUtils.numericToInetAddress("75.208.7.2")); |
| target.addDnsServer(DNS2); |
| target.addRoute(new RouteInfo(GATEWAY1)); |
| target.addRoute(new RouteInfo(GATEWAY2)); |
| target.setMtu(MTU); |
| assertFalse(source.equals(target)); |
| |
| target.clear(); |
| target.setInterfaceName(NAME); |
| target.addLinkAddress(LINKADDRV4); |
| target.addLinkAddress(LINKADDRV6); |
| target.addDnsServer(DNS1); |
| target.addDnsServer(DNS2); |
| // change gateway |
| target.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress("75.208.8.2"))); |
| target.addRoute(new RouteInfo(GATEWAY2)); |
| target.setMtu(MTU); |
| assertFalse(source.equals(target)); |
| |
| target.clear(); |
| target.setInterfaceName(NAME); |
| target.addLinkAddress(LINKADDRV4); |
| target.addLinkAddress(LINKADDRV6); |
| target.addDnsServer(DNS1); |
| target.addDnsServer(DNS2); |
| target.addRoute(new RouteInfo(GATEWAY1)); |
| target.addRoute(new RouteInfo(GATEWAY2)); |
| // change mtu |
| target.setMtu(1440); |
| assertFalse(source.equals(target)); |
| |
| } catch (Exception e) { |
| throw new RuntimeException(e.toString()); |
| //fail(); |
| } |
| } |
| |
| @SmallTest |
| public void testEqualsDifferentOrder() { |
| try { |
| LinkProperties source = new LinkProperties(); |
| source.setInterfaceName(NAME); |
| // set 2 link addresses |
| source.addLinkAddress(LINKADDRV4); |
| source.addLinkAddress(LINKADDRV6); |
| // set 2 dnses |
| source.addDnsServer(DNS1); |
| source.addDnsServer(DNS2); |
| // set 2 gateways |
| source.addRoute(new RouteInfo(GATEWAY1)); |
| source.addRoute(new RouteInfo(GATEWAY2)); |
| source.setMtu(MTU); |
| |
| LinkProperties target = new LinkProperties(); |
| // Exchange order |
| target.setInterfaceName(NAME); |
| target.addLinkAddress(LINKADDRV6); |
| target.addLinkAddress(LINKADDRV4); |
| target.addDnsServer(DNS2); |
| target.addDnsServer(DNS1); |
| target.addRoute(new RouteInfo(GATEWAY2)); |
| target.addRoute(new RouteInfo(GATEWAY1)); |
| target.setMtu(MTU); |
| |
| assertLinkPropertiesEqual(source, target); |
| } catch (Exception e) { |
| fail(); |
| } |
| } |
| |
| @SmallTest |
| public void testEqualsDuplicated() { |
| try { |
| LinkProperties source = new LinkProperties(); |
| // set 3 link addresses, eg, [A, A, B] |
| source.addLinkAddress(LINKADDRV4); |
| source.addLinkAddress(LINKADDRV4); |
| source.addLinkAddress(LINKADDRV6); |
| |
| LinkProperties target = new LinkProperties(); |
| // set 3 link addresses, eg, [A, B, B] |
| target.addLinkAddress(LINKADDRV4); |
| target.addLinkAddress(LINKADDRV6); |
| target.addLinkAddress(LINKADDRV6); |
| |
| assertLinkPropertiesEqual(source, target); |
| } catch (Exception e) { |
| fail(); |
| } |
| } |
| |
| private void assertAllRoutesHaveInterface(String iface, LinkProperties lp) { |
| for (RouteInfo r : lp.getRoutes()) { |
| assertEquals(iface, r.getInterface()); |
| } |
| } |
| |
| @SmallTest |
| public void testRouteInterfaces() { |
| LinkAddress prefix = new LinkAddress( |
| NetworkUtils.numericToInetAddress("2001:db8::"), 32); |
| InetAddress address = ADDRV6; |
| |
| // Add a route with no interface to a LinkProperties with no interface. No errors. |
| LinkProperties lp = new LinkProperties(); |
| RouteInfo r = new RouteInfo(prefix, address, null); |
| assertTrue(lp.addRoute(r)); |
| assertEquals(1, lp.getRoutes().size()); |
| assertAllRoutesHaveInterface(null, lp); |
| |
| // Adding the same route twice has no effect. |
| assertFalse(lp.addRoute(r)); |
| assertEquals(1, lp.getRoutes().size()); |
| |
| // Add a route with an interface. Expect an exception. |
| r = new RouteInfo(prefix, address, "wlan0"); |
| try { |
| lp.addRoute(r); |
| fail("Adding wlan0 route to LP with no interface, expect exception"); |
| } catch (IllegalArgumentException expected) {} |
| |
| // Change the interface name. All the routes should change their interface name too. |
| lp.setInterfaceName("rmnet0"); |
| assertAllRoutesHaveInterface("rmnet0", lp); |
| |
| // Now add a route with the wrong interface. This causes an exception too. |
| try { |
| lp.addRoute(r); |
| fail("Adding wlan0 route to rmnet0 LP, expect exception"); |
| } catch (IllegalArgumentException expected) {} |
| |
| // If the interface name matches, the route is added. |
| r = new RouteInfo(prefix, null, "wlan0"); |
| lp.setInterfaceName("wlan0"); |
| lp.addRoute(r); |
| assertEquals(2, lp.getRoutes().size()); |
| assertAllRoutesHaveInterface("wlan0", lp); |
| |
| // Routes with null interfaces are converted to wlan0. |
| r = RouteInfo.makeHostRoute(ADDRV6, null); |
| lp.addRoute(r); |
| assertEquals(3, lp.getRoutes().size()); |
| assertAllRoutesHaveInterface("wlan0", lp); |
| |
| // Check comparisons work. |
| LinkProperties lp2 = new LinkProperties(lp); |
| assertAllRoutesHaveInterface("wlan0", lp); |
| assertEquals(0, lp.compareAllRoutes(lp2).added.size()); |
| assertEquals(0, lp.compareAllRoutes(lp2).removed.size()); |
| |
| lp2.setInterfaceName("p2p0"); |
| assertAllRoutesHaveInterface("p2p0", lp2); |
| assertEquals(3, lp.compareAllRoutes(lp2).added.size()); |
| assertEquals(3, lp.compareAllRoutes(lp2).removed.size()); |
| } |
| |
| @SmallTest |
| public void testStackedInterfaces() { |
| LinkProperties rmnet0 = new LinkProperties(); |
| rmnet0.setInterfaceName("rmnet0"); |
| rmnet0.addLinkAddress(LINKADDRV6); |
| |
| LinkProperties clat4 = new LinkProperties(); |
| clat4.setInterfaceName("clat4"); |
| clat4.addLinkAddress(LINKADDRV4); |
| |
| assertEquals(0, rmnet0.getStackedLinks().size()); |
| assertEquals(1, rmnet0.getAddresses().size()); |
| assertEquals(1, rmnet0.getLinkAddresses().size()); |
| assertEquals(1, rmnet0.getAllAddresses().size()); |
| assertEquals(1, rmnet0.getAllLinkAddresses().size()); |
| |
| rmnet0.addStackedLink(clat4); |
| assertEquals(1, rmnet0.getStackedLinks().size()); |
| assertEquals(1, rmnet0.getAddresses().size()); |
| assertEquals(1, rmnet0.getLinkAddresses().size()); |
| assertEquals(2, rmnet0.getAllAddresses().size()); |
| assertEquals(2, rmnet0.getAllLinkAddresses().size()); |
| |
| rmnet0.addStackedLink(clat4); |
| assertEquals(1, rmnet0.getStackedLinks().size()); |
| assertEquals(1, rmnet0.getAddresses().size()); |
| assertEquals(1, rmnet0.getLinkAddresses().size()); |
| assertEquals(2, rmnet0.getAllAddresses().size()); |
| assertEquals(2, rmnet0.getAllLinkAddresses().size()); |
| |
| assertEquals(0, clat4.getStackedLinks().size()); |
| |
| // Modify an item in the returned collection to see what happens. |
| for (LinkProperties link : rmnet0.getStackedLinks()) { |
| if (link.getInterfaceName().equals("clat4")) { |
| link.setInterfaceName("newname"); |
| } |
| } |
| for (LinkProperties link : rmnet0.getStackedLinks()) { |
| assertFalse("newname".equals(link.getInterfaceName())); |
| } |
| |
| assertTrue(rmnet0.removeStackedLink("clat4")); |
| assertEquals(0, rmnet0.getStackedLinks().size()); |
| assertEquals(1, rmnet0.getAddresses().size()); |
| assertEquals(1, rmnet0.getLinkAddresses().size()); |
| assertEquals(1, rmnet0.getAllAddresses().size()); |
| assertEquals(1, rmnet0.getAllLinkAddresses().size()); |
| |
| assertFalse(rmnet0.removeStackedLink("clat4")); |
| } |
| |
| private LinkAddress getFirstLinkAddress(LinkProperties lp) { |
| return lp.getLinkAddresses().iterator().next(); |
| } |
| |
| @SmallTest |
| public void testAddressMethods() { |
| LinkProperties lp = new LinkProperties(); |
| |
| // No addresses. |
| assertFalse(lp.hasIPv4Address()); |
| assertFalse(lp.hasGlobalIPv6Address()); |
| |
| // Addresses on stacked links don't count. |
| LinkProperties stacked = new LinkProperties(); |
| stacked.setInterfaceName("stacked"); |
| lp.addStackedLink(stacked); |
| stacked.addLinkAddress(LINKADDRV4); |
| stacked.addLinkAddress(LINKADDRV6); |
| assertTrue(stacked.hasIPv4Address()); |
| assertTrue(stacked.hasGlobalIPv6Address()); |
| assertFalse(lp.hasIPv4Address()); |
| assertFalse(lp.hasGlobalIPv6Address()); |
| lp.removeStackedLink("stacked"); |
| assertFalse(lp.hasIPv4Address()); |
| assertFalse(lp.hasGlobalIPv6Address()); |
| |
| // Addresses on the base link. |
| // Check the return values of hasIPvXAddress and ensure the add/remove methods return true |
| // iff something changes. |
| assertEquals(0, lp.getLinkAddresses().size()); |
| assertTrue(lp.addLinkAddress(LINKADDRV6)); |
| assertEquals(1, lp.getLinkAddresses().size()); |
| assertFalse(lp.hasIPv4Address()); |
| assertTrue(lp.hasGlobalIPv6Address()); |
| |
| assertTrue(lp.removeLinkAddress(LINKADDRV6)); |
| assertEquals(0, lp.getLinkAddresses().size()); |
| |
| assertTrue(lp.addLinkAddress(LINKADDRV6LINKLOCAL)); |
| assertEquals(1, lp.getLinkAddresses().size()); |
| assertFalse(lp.hasGlobalIPv6Address()); |
| |
| assertTrue(lp.addLinkAddress(LINKADDRV4)); |
| assertEquals(2, lp.getLinkAddresses().size()); |
| assertTrue(lp.hasIPv4Address()); |
| assertFalse(lp.hasGlobalIPv6Address()); |
| |
| assertTrue(lp.addLinkAddress(LINKADDRV6)); |
| assertEquals(3, lp.getLinkAddresses().size()); |
| assertTrue(lp.hasIPv4Address()); |
| assertTrue(lp.hasGlobalIPv6Address()); |
| |
| assertTrue(lp.removeLinkAddress(LINKADDRV6LINKLOCAL)); |
| assertEquals(2, lp.getLinkAddresses().size()); |
| assertTrue(lp.hasIPv4Address()); |
| assertTrue(lp.hasGlobalIPv6Address()); |
| |
| // Adding an address twice has no effect. |
| // Removing an address that's not present has no effect. |
| assertFalse(lp.addLinkAddress(LINKADDRV4)); |
| assertEquals(2, lp.getLinkAddresses().size()); |
| assertTrue(lp.hasIPv4Address()); |
| assertTrue(lp.removeLinkAddress(LINKADDRV4)); |
| assertEquals(1, lp.getLinkAddresses().size()); |
| assertFalse(lp.hasIPv4Address()); |
| assertFalse(lp.removeLinkAddress(LINKADDRV4)); |
| assertEquals(1, lp.getLinkAddresses().size()); |
| |
| // Adding an address that's already present but with different properties causes the |
| // existing address to be updated and returns true. |
| // Start with only LINKADDRV6. |
| assertEquals(1, lp.getLinkAddresses().size()); |
| assertEquals(LINKADDRV6, getFirstLinkAddress(lp)); |
| |
| // Create a LinkAddress object for the same address, but with different flags. |
| LinkAddress deprecated = new LinkAddress(ADDRV6, 128, |
| OsConstants.IFA_F_DEPRECATED, OsConstants.RT_SCOPE_UNIVERSE); |
| assertTrue(deprecated.isSameAddressAs(LINKADDRV6)); |
| assertFalse(deprecated.equals(LINKADDRV6)); |
| |
| // Check that adding it updates the existing address instead of adding a new one. |
| assertTrue(lp.addLinkAddress(deprecated)); |
| assertEquals(1, lp.getLinkAddresses().size()); |
| assertEquals(deprecated, getFirstLinkAddress(lp)); |
| assertFalse(LINKADDRV6.equals(getFirstLinkAddress(lp))); |
| |
| // Removing LINKADDRV6 removes deprecated, because removing addresses ignores properties. |
| assertTrue(lp.removeLinkAddress(LINKADDRV6)); |
| assertEquals(0, lp.getLinkAddresses().size()); |
| } |
| |
| @SmallTest |
| public void testSetLinkAddresses() { |
| LinkProperties lp = new LinkProperties(); |
| lp.addLinkAddress(LINKADDRV4); |
| lp.addLinkAddress(LINKADDRV6); |
| |
| LinkProperties lp2 = new LinkProperties(); |
| lp2.addLinkAddress(LINKADDRV6); |
| |
| assertFalse(lp.equals(lp2)); |
| |
| lp2.setLinkAddresses(lp.getLinkAddresses()); |
| assertTrue(lp.equals(lp)); |
| } |
| |
| @SmallTest |
| public void testIsProvisioned() { |
| LinkProperties lp4 = new LinkProperties(); |
| assertFalse("v4only:empty", lp4.isProvisioned()); |
| lp4.addLinkAddress(LINKADDRV4); |
| assertFalse("v4only:addr-only", lp4.isProvisioned()); |
| lp4.addDnsServer(DNS1); |
| assertFalse("v4only:addr+dns", lp4.isProvisioned()); |
| lp4.addRoute(new RouteInfo(GATEWAY1)); |
| assertTrue("v4only:addr+dns+route", lp4.isProvisioned()); |
| assertTrue("v4only:addr+dns+route", lp4.isIPv4Provisioned()); |
| assertFalse("v4only:addr+dns+route", lp4.isIPv6Provisioned()); |
| |
| LinkProperties lp6 = new LinkProperties(); |
| assertFalse("v6only:empty", lp6.isProvisioned()); |
| lp6.addLinkAddress(LINKADDRV6LINKLOCAL); |
| assertFalse("v6only:fe80-only", lp6.isProvisioned()); |
| lp6.addDnsServer(DNS6); |
| assertFalse("v6only:fe80+dns", lp6.isProvisioned()); |
| lp6.addRoute(new RouteInfo(GATEWAY61)); |
| assertFalse("v6only:fe80+dns+route", lp6.isProvisioned()); |
| lp6.addLinkAddress(LINKADDRV6); |
| assertTrue("v6only:fe80+global+dns+route", lp6.isIPv6Provisioned()); |
| assertTrue("v6only:fe80+global+dns+route", lp6.isProvisioned()); |
| lp6.removeLinkAddress(LINKADDRV6LINKLOCAL); |
| assertFalse("v6only:global+dns+route", lp6.isIPv4Provisioned()); |
| assertTrue("v6only:global+dns+route", lp6.isIPv6Provisioned()); |
| assertTrue("v6only:global+dns+route", lp6.isProvisioned()); |
| |
| LinkProperties lp46 = new LinkProperties(); |
| lp46.addLinkAddress(LINKADDRV4); |
| lp46.addLinkAddress(LINKADDRV6); |
| lp46.addDnsServer(DNS1); |
| lp46.addDnsServer(DNS6); |
| assertFalse("dualstack:missing-routes", lp46.isProvisioned()); |
| lp46.addRoute(new RouteInfo(GATEWAY1)); |
| assertTrue("dualstack:v4-provisioned", lp46.isIPv4Provisioned()); |
| assertFalse("dualstack:v4-provisioned", lp46.isIPv6Provisioned()); |
| assertTrue("dualstack:v4-provisioned", lp46.isProvisioned()); |
| lp46.addRoute(new RouteInfo(GATEWAY61)); |
| assertTrue("dualstack:both-provisioned", lp46.isIPv4Provisioned()); |
| assertTrue("dualstack:both-provisioned", lp46.isIPv6Provisioned()); |
| assertTrue("dualstack:both-provisioned", lp46.isProvisioned()); |
| |
| // A link with an IPv6 address and default route, but IPv4 DNS server. |
| LinkProperties mixed = new LinkProperties(); |
| mixed.addLinkAddress(LINKADDRV6); |
| mixed.addDnsServer(DNS1); |
| mixed.addRoute(new RouteInfo(GATEWAY61)); |
| assertFalse("mixed:addr6+route6+dns4", mixed.isIPv4Provisioned()); |
| assertFalse("mixed:addr6+route6+dns4", mixed.isIPv6Provisioned()); |
| assertFalse("mixed:addr6+route6+dns4", mixed.isProvisioned()); |
| } |
| |
| @SmallTest |
| public void testCompareProvisioning() { |
| LinkProperties v4lp = new LinkProperties(); |
| v4lp.addLinkAddress(LINKADDRV4); |
| v4lp.addRoute(new RouteInfo(GATEWAY1)); |
| v4lp.addDnsServer(DNS1); |
| assertTrue(v4lp.isProvisioned()); |
| |
| LinkProperties v4r = new LinkProperties(v4lp); |
| v4r.removeDnsServer(DNS1); |
| assertFalse(v4r.isProvisioned()); |
| |
| assertEquals(ProvisioningChange.STILL_NOT_PROVISIONED, |
| LinkProperties.compareProvisioning(v4r, v4r)); |
| assertEquals(ProvisioningChange.LOST_PROVISIONING, |
| LinkProperties.compareProvisioning(v4lp, v4r)); |
| assertEquals(ProvisioningChange.GAINED_PROVISIONING, |
| LinkProperties.compareProvisioning(v4r, v4lp)); |
| assertEquals(ProvisioningChange.STILL_PROVISIONED, |
| LinkProperties.compareProvisioning(v4lp, v4lp)); |
| |
| // Check that losing IPv4 provisioning on a dualstack network is |
| // seen as a total loss of provisioning. |
| LinkProperties v6lp = new LinkProperties(); |
| v6lp.addLinkAddress(LINKADDRV6); |
| v6lp.addRoute(new RouteInfo(GATEWAY61)); |
| v6lp.addDnsServer(DNS6); |
| assertFalse(v6lp.isIPv4Provisioned()); |
| assertTrue(v6lp.isIPv6Provisioned()); |
| assertTrue(v6lp.isProvisioned()); |
| |
| LinkProperties v46lp = new LinkProperties(v6lp); |
| v46lp.addLinkAddress(LINKADDRV4); |
| v46lp.addRoute(new RouteInfo(GATEWAY1)); |
| v46lp.addDnsServer(DNS1); |
| assertTrue(v46lp.isIPv4Provisioned()); |
| assertTrue(v46lp.isIPv6Provisioned()); |
| assertTrue(v46lp.isProvisioned()); |
| |
| assertEquals(ProvisioningChange.STILL_PROVISIONED, |
| LinkProperties.compareProvisioning(v4lp, v46lp)); |
| assertEquals(ProvisioningChange.STILL_PROVISIONED, |
| LinkProperties.compareProvisioning(v6lp, v46lp)); |
| assertEquals(ProvisioningChange.LOST_PROVISIONING, |
| LinkProperties.compareProvisioning(v46lp, v6lp)); |
| assertEquals(ProvisioningChange.LOST_PROVISIONING, |
| LinkProperties.compareProvisioning(v46lp, v4lp)); |
| |
| // Check that losing and gaining a secondary router does not change |
| // the provisioning status. |
| LinkProperties v6lp2 = new LinkProperties(v6lp); |
| v6lp2.addRoute(new RouteInfo(GATEWAY62)); |
| assertTrue(v6lp2.isProvisioned()); |
| |
| assertEquals(ProvisioningChange.STILL_PROVISIONED, |
| LinkProperties.compareProvisioning(v6lp2, v6lp)); |
| assertEquals(ProvisioningChange.STILL_PROVISIONED, |
| LinkProperties.compareProvisioning(v6lp, v6lp2)); |
| } |
| |
| @SmallTest |
| @Suppress // Failing. |
| public void testIsReachable() { |
| final LinkProperties v4lp = new LinkProperties(); |
| assertFalse(v4lp.isReachable(DNS1)); |
| assertFalse(v4lp.isReachable(DNS2)); |
| |
| // Add an on-link route, making the on-link DNS server reachable, |
| // but there is still no IPv4 address. |
| assertTrue(v4lp.addRoute(new RouteInfo( |
| new IpPrefix(NetworkUtils.numericToInetAddress("75.208.0.0"), 16)))); |
| assertFalse(v4lp.isReachable(DNS1)); |
| assertFalse(v4lp.isReachable(DNS2)); |
| |
| // Adding an IPv4 address (right now, any IPv4 address) means we use |
| // the routes to compute likely reachability. |
| assertTrue(v4lp.addLinkAddress(new LinkAddress(ADDRV4, 16))); |
| assertTrue(v4lp.isReachable(DNS1)); |
| assertFalse(v4lp.isReachable(DNS2)); |
| |
| // Adding a default route makes the off-link DNS server reachable. |
| assertTrue(v4lp.addRoute(new RouteInfo(GATEWAY1))); |
| assertTrue(v4lp.isReachable(DNS1)); |
| assertTrue(v4lp.isReachable(DNS2)); |
| |
| final LinkProperties v6lp = new LinkProperties(); |
| final InetAddress kLinkLocalDns = NetworkUtils.numericToInetAddress("fe80::6:1"); |
| final InetAddress kLinkLocalDnsWithScope = NetworkUtils.numericToInetAddress("fe80::6:2%43"); |
| final InetAddress kOnLinkDns = NetworkUtils.numericToInetAddress("2001:db8:85a3::53"); |
| assertFalse(v6lp.isReachable(kLinkLocalDns)); |
| assertFalse(v6lp.isReachable(kLinkLocalDnsWithScope)); |
| assertFalse(v6lp.isReachable(kOnLinkDns)); |
| assertFalse(v6lp.isReachable(DNS6)); |
| |
| // Add a link-local route, making the link-local DNS servers reachable. Because |
| // we assume the presence of an IPv6 link-local address, link-local DNS servers |
| // are considered reachable, but only those with a non-zero scope identifier. |
| assertTrue(v6lp.addRoute(new RouteInfo( |
| new IpPrefix(NetworkUtils.numericToInetAddress("fe80::"), 64)))); |
| assertFalse(v6lp.isReachable(kLinkLocalDns)); |
| assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope)); |
| assertFalse(v6lp.isReachable(kOnLinkDns)); |
| assertFalse(v6lp.isReachable(DNS6)); |
| |
| // Add a link-local address--nothing changes. |
| assertTrue(v6lp.addLinkAddress(LINKADDRV6LINKLOCAL)); |
| assertFalse(v6lp.isReachable(kLinkLocalDns)); |
| assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope)); |
| assertFalse(v6lp.isReachable(kOnLinkDns)); |
| assertFalse(v6lp.isReachable(DNS6)); |
| |
| // Add a global route on link, but no global address yet. DNS servers reachable |
| // via a route that doesn't require a gateway: give them the benefit of the |
| // doubt and hope the link-local source address suffices for communication. |
| assertTrue(v6lp.addRoute(new RouteInfo( |
| new IpPrefix(NetworkUtils.numericToInetAddress("2001:db8:85a3::"), 64)))); |
| assertFalse(v6lp.isReachable(kLinkLocalDns)); |
| assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope)); |
| assertTrue(v6lp.isReachable(kOnLinkDns)); |
| assertFalse(v6lp.isReachable(DNS6)); |
| |
| // Add a global address; the on-link global address DNS server is (still) |
| // presumed reachable. |
| assertTrue(v6lp.addLinkAddress(new LinkAddress(ADDRV6, 64))); |
| assertFalse(v6lp.isReachable(kLinkLocalDns)); |
| assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope)); |
| assertTrue(v6lp.isReachable(kOnLinkDns)); |
| assertFalse(v6lp.isReachable(DNS6)); |
| |
| // Adding a default route makes the off-link DNS server reachable. |
| assertTrue(v6lp.addRoute(new RouteInfo(GATEWAY62))); |
| assertFalse(v6lp.isReachable(kLinkLocalDns)); |
| assertTrue(v6lp.isReachable(kLinkLocalDnsWithScope)); |
| assertTrue(v6lp.isReachable(kOnLinkDns)); |
| assertTrue(v6lp.isReachable(DNS6)); |
| |
| // Check isReachable on stacked links. This requires that the source IP address be assigned |
| // on the interface returned by the route lookup. |
| LinkProperties stacked = new LinkProperties(); |
| |
| // Can't add a stacked link without an interface name. |
| stacked.setInterfaceName("v4-test0"); |
| v6lp.addStackedLink(stacked); |
| |
| InetAddress stackedAddress = Address("192.0.0.4"); |
| LinkAddress stackedLinkAddress = new LinkAddress(stackedAddress, 32); |
| assertFalse(v6lp.isReachable(stackedAddress)); |
| stacked.addLinkAddress(stackedLinkAddress); |
| assertFalse(v6lp.isReachable(stackedAddress)); |
| stacked.addRoute(new RouteInfo(stackedLinkAddress)); |
| assertTrue(stacked.isReachable(stackedAddress)); |
| assertTrue(v6lp.isReachable(stackedAddress)); |
| |
| assertFalse(v6lp.isReachable(DNS1)); |
| stacked.addRoute(new RouteInfo((IpPrefix) null, stackedAddress)); |
| assertTrue(v6lp.isReachable(DNS1)); |
| } |
| } |