981b34f6b8
Currently we support exactly one NAT64 prefix. This matches what other components in the system (Dns64Configuration, clatd, etc.) support. Test: atest FrameworksNetTests Change-Id: I45a11cebe43a5e1c60d50eca7889cb317565b598
885 lines
36 KiB
Java
885 lines
36 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import android.net.IpPrefix;
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import android.net.LinkAddress;
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import android.net.LinkProperties;
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import android.net.LinkProperties.CompareResult;
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import android.net.LinkProperties.ProvisioningChange;
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import android.net.RouteInfo;
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import android.os.Parcel;
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import android.support.test.filters.SmallTest;
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import android.support.test.runner.AndroidJUnit4;
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import android.system.OsConstants;
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import android.util.ArraySet;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import java.net.InetAddress;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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@RunWith(AndroidJUnit4.class)
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@SmallTest
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public class LinkPropertiesTest {
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private static InetAddress ADDRV4 = NetworkUtils.numericToInetAddress("75.208.6.1");
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private static InetAddress ADDRV6 = NetworkUtils.numericToInetAddress(
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"2001:0db8:85a3:0000:0000:8a2e:0370:7334");
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private static InetAddress DNS1 = NetworkUtils.numericToInetAddress("75.208.7.1");
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private static InetAddress DNS2 = NetworkUtils.numericToInetAddress("69.78.7.1");
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private static InetAddress DNS6 = NetworkUtils.numericToInetAddress("2001:4860:4860::8888");
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private static InetAddress PCSCFV6 = NetworkUtils.numericToInetAddress(
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"2001:0db8:85a3:0000:0000:8a2e:0370:1");
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private static InetAddress GATEWAY1 = NetworkUtils.numericToInetAddress("75.208.8.1");
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private static InetAddress GATEWAY2 = NetworkUtils.numericToInetAddress("69.78.8.1");
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private static InetAddress GATEWAY61 = NetworkUtils.numericToInetAddress("fe80::6:0000:613");
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private static InetAddress GATEWAY62 = NetworkUtils.numericToInetAddress("fe80::6:2222");
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private static String NAME = "qmi0";
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private static int MTU = 1500;
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private static LinkAddress LINKADDRV4 = new LinkAddress(ADDRV4, 32);
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private static LinkAddress LINKADDRV6 = new LinkAddress(ADDRV6, 128);
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private static LinkAddress LINKADDRV6LINKLOCAL = new LinkAddress("fe80::1/64");
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// TODO: replace all calls to NetworkUtils.numericToInetAddress with calls to this method.
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private InetAddress Address(String addrString) {
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return NetworkUtils.numericToInetAddress(addrString);
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}
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public void assertLinkPropertiesEqual(LinkProperties source, LinkProperties target) {
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// Check implementation of equals(), element by element.
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assertTrue(source.isIdenticalInterfaceName(target));
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assertTrue(target.isIdenticalInterfaceName(source));
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assertTrue(source.isIdenticalAddresses(target));
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assertTrue(target.isIdenticalAddresses(source));
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assertTrue(source.isIdenticalDnses(target));
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assertTrue(target.isIdenticalDnses(source));
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assertTrue(source.isIdenticalPrivateDns(target));
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assertTrue(target.isIdenticalPrivateDns(source));
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assertTrue(source.isIdenticalValidatedPrivateDnses(target));
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assertTrue(target.isIdenticalValidatedPrivateDnses(source));
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assertTrue(source.isIdenticalPcscfs(target));
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assertTrue(target.isIdenticalPcscfs(source));
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assertTrue(source.isIdenticalRoutes(target));
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assertTrue(target.isIdenticalRoutes(source));
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assertTrue(source.isIdenticalHttpProxy(target));
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assertTrue(target.isIdenticalHttpProxy(source));
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assertTrue(source.isIdenticalStackedLinks(target));
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assertTrue(target.isIdenticalStackedLinks(source));
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assertTrue(source.isIdenticalMtu(target));
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assertTrue(target.isIdenticalMtu(source));
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assertTrue(source.isIdenticalTcpBufferSizes(target));
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assertTrue(target.isIdenticalTcpBufferSizes(source));
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// Check result of equals().
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assertTrue(source.equals(target));
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assertTrue(target.equals(source));
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// Check hashCode.
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assertEquals(source.hashCode(), target.hashCode());
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}
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@Test
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public void testEqualsNull() {
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LinkProperties source = new LinkProperties();
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LinkProperties target = new LinkProperties();
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assertFalse(source == target);
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assertLinkPropertiesEqual(source, target);
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}
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@Test
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public void testEqualsSameOrder() throws Exception {
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LinkProperties source = new LinkProperties();
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source.setInterfaceName(NAME);
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// set 2 link addresses
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source.addLinkAddress(LINKADDRV4);
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source.addLinkAddress(LINKADDRV6);
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// set 2 dnses
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source.addDnsServer(DNS1);
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source.addDnsServer(DNS2);
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// set 1 pcscf
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source.addPcscfServer(PCSCFV6);
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// set 2 gateways
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source.addRoute(new RouteInfo(GATEWAY1));
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source.addRoute(new RouteInfo(GATEWAY2));
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source.setMtu(MTU);
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LinkProperties target = new LinkProperties();
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// All fields are same
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target.setInterfaceName(NAME);
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target.addLinkAddress(LINKADDRV4);
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target.addLinkAddress(LINKADDRV6);
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target.addDnsServer(DNS1);
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target.addDnsServer(DNS2);
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target.addPcscfServer(PCSCFV6);
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target.addRoute(new RouteInfo(GATEWAY1));
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target.addRoute(new RouteInfo(GATEWAY2));
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target.setMtu(MTU);
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assertLinkPropertiesEqual(source, target);
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target.clear();
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// change Interface Name
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target.setInterfaceName("qmi1");
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target.addLinkAddress(LINKADDRV4);
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target.addLinkAddress(LINKADDRV6);
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target.addDnsServer(DNS1);
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target.addDnsServer(DNS2);
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target.addPcscfServer(PCSCFV6);
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target.addRoute(new RouteInfo(GATEWAY1));
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target.addRoute(new RouteInfo(GATEWAY2));
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target.setMtu(MTU);
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assertFalse(source.equals(target));
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target.clear();
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target.setInterfaceName(NAME);
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// change link addresses
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target.addLinkAddress(new LinkAddress(
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NetworkUtils.numericToInetAddress("75.208.6.2"), 32));
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target.addLinkAddress(LINKADDRV6);
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target.addDnsServer(DNS1);
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target.addDnsServer(DNS2);
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target.addPcscfServer(PCSCFV6);
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target.addRoute(new RouteInfo(GATEWAY1));
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target.addRoute(new RouteInfo(GATEWAY2));
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target.setMtu(MTU);
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assertFalse(source.equals(target));
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target.clear();
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target.setInterfaceName(NAME);
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target.addLinkAddress(LINKADDRV4);
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target.addLinkAddress(LINKADDRV6);
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// change dnses
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target.addDnsServer(NetworkUtils.numericToInetAddress("75.208.7.2"));
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target.addDnsServer(DNS2);
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target.addPcscfServer(PCSCFV6);
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target.addRoute(new RouteInfo(GATEWAY1));
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target.addRoute(new RouteInfo(GATEWAY2));
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target.setMtu(MTU);
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assertFalse(source.equals(target));
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target.clear();
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target.setInterfaceName(NAME);
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target.addLinkAddress(LINKADDRV4);
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target.addLinkAddress(LINKADDRV6);
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target.addDnsServer(NetworkUtils.numericToInetAddress("75.208.7.2"));
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target.addDnsServer(DNS2);
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// change pcscf
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target.addPcscfServer(NetworkUtils.numericToInetAddress(
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"2001::1"));
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target.addRoute(new RouteInfo(GATEWAY1));
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target.addRoute(new RouteInfo(GATEWAY2));
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target.setMtu(MTU);
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assertFalse(source.equals(target));
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target.clear();
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target.setInterfaceName(NAME);
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target.addLinkAddress(LINKADDRV4);
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target.addLinkAddress(LINKADDRV6);
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target.addDnsServer(DNS1);
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target.addDnsServer(DNS2);
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// change gateway
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target.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress("75.208.8.2")));
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target.addRoute(new RouteInfo(GATEWAY2));
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target.setMtu(MTU);
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assertFalse(source.equals(target));
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target.clear();
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target.setInterfaceName(NAME);
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target.addLinkAddress(LINKADDRV4);
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target.addLinkAddress(LINKADDRV6);
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target.addDnsServer(DNS1);
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target.addDnsServer(DNS2);
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target.addRoute(new RouteInfo(GATEWAY1));
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target.addRoute(new RouteInfo(GATEWAY2));
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// change mtu
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target.setMtu(1440);
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assertFalse(source.equals(target));
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}
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@Test
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public void testEqualsDifferentOrder() throws Exception {
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LinkProperties source = new LinkProperties();
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source.setInterfaceName(NAME);
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// set 2 link addresses
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source.addLinkAddress(LINKADDRV4);
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source.addLinkAddress(LINKADDRV6);
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// set 2 dnses
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source.addDnsServer(DNS1);
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source.addDnsServer(DNS2);
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// set 2 gateways
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source.addRoute(new RouteInfo(GATEWAY1));
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source.addRoute(new RouteInfo(GATEWAY2));
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source.setMtu(MTU);
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LinkProperties target = new LinkProperties();
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// Exchange order
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target.setInterfaceName(NAME);
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target.addLinkAddress(LINKADDRV6);
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target.addLinkAddress(LINKADDRV4);
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target.addDnsServer(DNS2);
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target.addDnsServer(DNS1);
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target.addRoute(new RouteInfo(GATEWAY2));
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target.addRoute(new RouteInfo(GATEWAY1));
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target.setMtu(MTU);
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assertLinkPropertiesEqual(source, target);
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}
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@Test
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public void testEqualsDuplicated() throws Exception {
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LinkProperties source = new LinkProperties();
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// set 3 link addresses, eg, [A, A, B]
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source.addLinkAddress(LINKADDRV4);
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source.addLinkAddress(LINKADDRV4);
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source.addLinkAddress(LINKADDRV6);
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LinkProperties target = new LinkProperties();
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// set 3 link addresses, eg, [A, B, B]
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target.addLinkAddress(LINKADDRV4);
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target.addLinkAddress(LINKADDRV6);
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target.addLinkAddress(LINKADDRV6);
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assertLinkPropertiesEqual(source, target);
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}
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private void assertAllRoutesHaveInterface(String iface, LinkProperties lp) {
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for (RouteInfo r : lp.getRoutes()) {
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assertEquals(iface, r.getInterface());
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}
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}
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@Test
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public void testRouteInterfaces() {
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LinkAddress prefix = new LinkAddress(
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NetworkUtils.numericToInetAddress("2001:db8::"), 32);
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InetAddress address = ADDRV6;
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// Add a route with no interface to a LinkProperties with no interface. No errors.
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LinkProperties lp = new LinkProperties();
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RouteInfo r = new RouteInfo(prefix, address, null);
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assertTrue(lp.addRoute(r));
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assertEquals(1, lp.getRoutes().size());
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assertAllRoutesHaveInterface(null, lp);
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// Adding the same route twice has no effect.
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assertFalse(lp.addRoute(r));
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assertEquals(1, lp.getRoutes().size());
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// Add a route with an interface. Expect an exception.
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r = new RouteInfo(prefix, address, "wlan0");
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try {
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lp.addRoute(r);
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fail("Adding wlan0 route to LP with no interface, expect exception");
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} catch (IllegalArgumentException expected) {}
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// Change the interface name. All the routes should change their interface name too.
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lp.setInterfaceName("rmnet0");
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assertAllRoutesHaveInterface("rmnet0", lp);
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// Now add a route with the wrong interface. This causes an exception too.
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try {
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lp.addRoute(r);
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fail("Adding wlan0 route to rmnet0 LP, expect exception");
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} catch (IllegalArgumentException expected) {}
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// If the interface name matches, the route is added.
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r = new RouteInfo(prefix, null, "wlan0");
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lp.setInterfaceName("wlan0");
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lp.addRoute(r);
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assertEquals(2, lp.getRoutes().size());
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assertAllRoutesHaveInterface("wlan0", lp);
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// Routes with null interfaces are converted to wlan0.
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r = RouteInfo.makeHostRoute(ADDRV6, null);
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lp.addRoute(r);
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assertEquals(3, lp.getRoutes().size());
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assertAllRoutesHaveInterface("wlan0", lp);
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// Check comparisons work.
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LinkProperties lp2 = new LinkProperties(lp);
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assertAllRoutesHaveInterface("wlan0", lp);
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assertEquals(0, lp.compareAllRoutes(lp2).added.size());
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assertEquals(0, lp.compareAllRoutes(lp2).removed.size());
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lp2.setInterfaceName("p2p0");
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assertAllRoutesHaveInterface("p2p0", lp2);
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assertEquals(3, lp.compareAllRoutes(lp2).added.size());
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assertEquals(3, lp.compareAllRoutes(lp2).removed.size());
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}
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@Test
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public void testStackedInterfaces() {
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LinkProperties rmnet0 = new LinkProperties();
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rmnet0.setInterfaceName("rmnet0");
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rmnet0.addLinkAddress(LINKADDRV6);
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LinkProperties clat4 = new LinkProperties();
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clat4.setInterfaceName("clat4");
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clat4.addLinkAddress(LINKADDRV4);
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assertEquals(0, rmnet0.getStackedLinks().size());
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assertEquals(1, rmnet0.getAddresses().size());
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assertEquals(1, rmnet0.getLinkAddresses().size());
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assertEquals(1, rmnet0.getAllAddresses().size());
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assertEquals(1, rmnet0.getAllLinkAddresses().size());
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rmnet0.addStackedLink(clat4);
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assertEquals(1, rmnet0.getStackedLinks().size());
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assertEquals(1, rmnet0.getAddresses().size());
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assertEquals(1, rmnet0.getLinkAddresses().size());
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assertEquals(2, rmnet0.getAllAddresses().size());
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assertEquals(2, rmnet0.getAllLinkAddresses().size());
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rmnet0.addStackedLink(clat4);
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assertEquals(1, rmnet0.getStackedLinks().size());
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assertEquals(1, rmnet0.getAddresses().size());
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assertEquals(1, rmnet0.getLinkAddresses().size());
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assertEquals(2, rmnet0.getAllAddresses().size());
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assertEquals(2, rmnet0.getAllLinkAddresses().size());
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assertEquals(0, clat4.getStackedLinks().size());
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// Modify an item in the returned collection to see what happens.
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for (LinkProperties link : rmnet0.getStackedLinks()) {
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if (link.getInterfaceName().equals("clat4")) {
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link.setInterfaceName("newname");
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}
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}
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for (LinkProperties link : rmnet0.getStackedLinks()) {
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assertFalse("newname".equals(link.getInterfaceName()));
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}
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assertTrue(rmnet0.removeStackedLink("clat4"));
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assertEquals(0, rmnet0.getStackedLinks().size());
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assertEquals(1, rmnet0.getAddresses().size());
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assertEquals(1, rmnet0.getLinkAddresses().size());
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assertEquals(1, rmnet0.getAllAddresses().size());
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assertEquals(1, rmnet0.getAllLinkAddresses().size());
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assertFalse(rmnet0.removeStackedLink("clat4"));
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}
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private LinkAddress getFirstLinkAddress(LinkProperties lp) {
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return lp.getLinkAddresses().iterator().next();
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}
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@Test
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public void testAddressMethods() {
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LinkProperties lp = new LinkProperties();
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// No addresses.
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assertFalse(lp.hasIPv4Address());
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assertFalse(lp.hasGlobalIPv6Address());
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// Addresses on stacked links don't count.
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LinkProperties stacked = new LinkProperties();
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stacked.setInterfaceName("stacked");
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lp.addStackedLink(stacked);
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stacked.addLinkAddress(LINKADDRV4);
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stacked.addLinkAddress(LINKADDRV6);
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assertTrue(stacked.hasIPv4Address());
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assertTrue(stacked.hasGlobalIPv6Address());
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assertFalse(lp.hasIPv4Address());
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assertFalse(lp.hasGlobalIPv6Address());
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lp.removeStackedLink("stacked");
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assertFalse(lp.hasIPv4Address());
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assertFalse(lp.hasGlobalIPv6Address());
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// Addresses on the base link.
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// Check the return values of hasIPvXAddress and ensure the add/remove methods return true
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// iff something changes.
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assertEquals(0, lp.getLinkAddresses().size());
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assertTrue(lp.addLinkAddress(LINKADDRV6));
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assertEquals(1, lp.getLinkAddresses().size());
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assertFalse(lp.hasIPv4Address());
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assertTrue(lp.hasGlobalIPv6Address());
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assertTrue(lp.removeLinkAddress(LINKADDRV6));
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assertEquals(0, lp.getLinkAddresses().size());
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assertTrue(lp.addLinkAddress(LINKADDRV6LINKLOCAL));
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assertEquals(1, lp.getLinkAddresses().size());
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assertFalse(lp.hasGlobalIPv6Address());
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assertTrue(lp.addLinkAddress(LINKADDRV4));
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assertEquals(2, lp.getLinkAddresses().size());
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assertTrue(lp.hasIPv4Address());
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assertFalse(lp.hasGlobalIPv6Address());
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assertTrue(lp.addLinkAddress(LINKADDRV6));
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assertEquals(3, lp.getLinkAddresses().size());
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assertTrue(lp.hasIPv4Address());
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assertTrue(lp.hasGlobalIPv6Address());
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assertTrue(lp.removeLinkAddress(LINKADDRV6LINKLOCAL));
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assertEquals(2, lp.getLinkAddresses().size());
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assertTrue(lp.hasIPv4Address());
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assertTrue(lp.hasGlobalIPv6Address());
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// Adding an address twice has no effect.
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// Removing an address that's not present has no effect.
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assertFalse(lp.addLinkAddress(LINKADDRV4));
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assertEquals(2, lp.getLinkAddresses().size());
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assertTrue(lp.hasIPv4Address());
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assertTrue(lp.removeLinkAddress(LINKADDRV4));
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assertEquals(1, lp.getLinkAddresses().size());
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assertFalse(lp.hasIPv4Address());
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assertFalse(lp.removeLinkAddress(LINKADDRV4));
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assertEquals(1, lp.getLinkAddresses().size());
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// Adding an address that's already present but with different properties causes the
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// 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());
|
|
}
|
|
|
|
@Test
|
|
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));
|
|
}
|
|
|
|
@Test
|
|
public void testNat64Prefix() throws Exception {
|
|
LinkProperties lp = new LinkProperties();
|
|
lp.addLinkAddress(LINKADDRV4);
|
|
lp.addLinkAddress(LINKADDRV6);
|
|
|
|
assertNull(lp.getNat64Prefix());
|
|
|
|
IpPrefix p = new IpPrefix("64:ff9b::/96");
|
|
lp.setNat64Prefix(p);
|
|
assertEquals(p, lp.getNat64Prefix());
|
|
|
|
p = new IpPrefix("2001:db8:a:b:1:2:3::/96");
|
|
lp.setNat64Prefix(p);
|
|
assertEquals(p, lp.getNat64Prefix());
|
|
|
|
p = new IpPrefix("2001:db8:a:b:1:2::/80");
|
|
try {
|
|
lp.setNat64Prefix(p);
|
|
} catch (IllegalArgumentException expected) {
|
|
}
|
|
|
|
p = new IpPrefix("64:ff9b::/64");
|
|
try {
|
|
lp.setNat64Prefix(p);
|
|
} catch (IllegalArgumentException expected) {
|
|
}
|
|
|
|
assertEquals(new IpPrefix("2001:db8:a:b:1:2:3::/96"), lp.getNat64Prefix());
|
|
|
|
lp.setNat64Prefix(null);
|
|
assertNull(lp.getNat64Prefix());
|
|
}
|
|
|
|
@Test
|
|
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());
|
|
}
|
|
|
|
@Test
|
|
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));
|
|
}
|
|
|
|
@Test
|
|
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));
|
|
}
|
|
|
|
@Test
|
|
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());
|
|
|
|
}
|
|
|
|
@Test
|
|
public void testCompareResult() {
|
|
// Either adding or removing items
|
|
compareResult(Arrays.asList(1, 2, 3, 4), Arrays.asList(1),
|
|
Arrays.asList(2, 3, 4), new ArrayList<>());
|
|
compareResult(Arrays.asList(1, 2), Arrays.asList(3, 2, 1, 4),
|
|
new ArrayList<>(), Arrays.asList(3, 4));
|
|
|
|
|
|
// adding and removing items at the same time
|
|
compareResult(Arrays.asList(1, 2, 3, 4), Arrays.asList(2, 3, 4, 5),
|
|
Arrays.asList(1), Arrays.asList(5));
|
|
compareResult(Arrays.asList(1, 2, 3), Arrays.asList(4, 5, 6),
|
|
Arrays.asList(1, 2, 3), Arrays.asList(4, 5, 6));
|
|
|
|
// null cases
|
|
compareResult(Arrays.asList(1, 2, 3), null, Arrays.asList(1, 2, 3), new ArrayList<>());
|
|
compareResult(null, Arrays.asList(3, 2, 1), new ArrayList<>(), Arrays.asList(1, 2, 3));
|
|
compareResult(null, null, new ArrayList<>(), new ArrayList<>());
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
private <T> void compareResult(List<T> oldItems, List<T> newItems, List<T> expectRemoved,
|
|
List<T> expectAdded) {
|
|
CompareResult<T> result = new CompareResult<>(oldItems, newItems);
|
|
assertEquals(new ArraySet<>(expectAdded), new ArraySet<>(result.added));
|
|
assertEquals(new ArraySet<>(expectRemoved), (new ArraySet<>(result.removed)));
|
|
}
|
|
|
|
@Test
|
|
public void testLinkPropertiesParcelable() throws Exception {
|
|
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));
|
|
// set 2 validated private dnses
|
|
source.addValidatedPrivateDnsServer(DNS6);
|
|
source.addValidatedPrivateDnsServer(GATEWAY61);
|
|
|
|
source.setMtu(MTU);
|
|
|
|
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);
|
|
|
|
assertEquals(source, dest);
|
|
}
|
|
}
|