Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1 | /* |
Wink Saville | 6e80997 | 2010-09-21 09:15:35 -0700 | [diff] [blame] | 2 | * Copyright (C) 2010 The Android Open Source Project |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.net; |
| 18 | |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 19 | import android.annotation.NonNull; |
Jeff Sharkey | 9da2f1e | 2014-08-14 12:55:00 -0700 | [diff] [blame] | 20 | import android.annotation.Nullable; |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 21 | import android.annotation.SystemApi; |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 22 | import android.annotation.UnsupportedAppUsage; |
Mathew Inwood | 31755f9 | 2018-12-20 13:53:36 +0000 | [diff] [blame^] | 23 | import android.os.Build; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 24 | import android.os.Parcel; |
Rubin Xu | 1bb5c08 | 2017-09-05 18:40:49 +0100 | [diff] [blame] | 25 | import android.os.Parcelable; |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 26 | import android.text.TextUtils; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 27 | |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 28 | import java.net.Inet4Address; |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 29 | import java.net.Inet6Address; |
Rubin Xu | 1bb5c08 | 2017-09-05 18:40:49 +0100 | [diff] [blame] | 30 | import java.net.InetAddress; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 31 | import java.net.UnknownHostException; |
| 32 | import java.util.ArrayList; |
| 33 | import java.util.Collection; |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 34 | import java.util.Collections; |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 35 | import java.util.Hashtable; |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 36 | import java.util.List; |
Lorenzo Colitti | c17a1b9 | 2014-06-12 23:10:17 +0900 | [diff] [blame] | 37 | import java.util.Objects; |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 38 | import java.util.StringJoiner; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 39 | |
| 40 | /** |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 41 | * Describes the properties of a network link. |
Robert Greenwalt | 992564e | 2011-02-09 13:56:06 -0800 | [diff] [blame] | 42 | * |
| 43 | * A link represents a connection to a network. |
| 44 | * It may have multiple addresses and multiple gateways, |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 45 | * multiple dns servers but only one http proxy and one |
| 46 | * network interface. |
Robert Greenwalt | 992564e | 2011-02-09 13:56:06 -0800 | [diff] [blame] | 47 | * |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 48 | * Note that this is just a holder of data. Modifying it |
| 49 | * does not affect live networks. |
Robert Greenwalt | 992564e | 2011-02-09 13:56:06 -0800 | [diff] [blame] | 50 | * |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 51 | */ |
Robert Greenwalt | e595b97 | 2014-06-12 16:24:38 -0700 | [diff] [blame] | 52 | public final class LinkProperties implements Parcelable { |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 53 | // The interface described by the network link. |
Mathew Inwood | 31755f9 | 2018-12-20 13:53:36 +0000 | [diff] [blame^] | 54 | @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023) |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 55 | private String mIfaceName; |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 56 | private ArrayList<LinkAddress> mLinkAddresses = new ArrayList<>(); |
| 57 | private ArrayList<InetAddress> mDnses = new ArrayList<>(); |
| 58 | private ArrayList<InetAddress> mValidatedPrivateDnses = new ArrayList<>(); |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 59 | private boolean mUsePrivateDns; |
| 60 | private String mPrivateDnsServerName; |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 61 | private String mDomains; |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 62 | private ArrayList<RouteInfo> mRoutes = new ArrayList<>(); |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 63 | private ProxyInfo mHttpProxy; |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 64 | private int mMtu; |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 65 | // in the format "rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max" |
| 66 | private String mTcpBufferSizes; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 67 | |
w19976 | 15afd81 | 2014-08-05 15:18:11 -0700 | [diff] [blame] | 68 | private static final int MIN_MTU = 68; |
| 69 | private static final int MIN_MTU_V6 = 1280; |
| 70 | private static final int MAX_MTU = 10000; |
| 71 | |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 72 | // Stores the properties of links that are "stacked" above this link. |
| 73 | // Indexed by interface name to allow modification and to prevent duplicates being added. |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 74 | private Hashtable<String, LinkProperties> mStackedLinks = new Hashtable<>(); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 75 | |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 76 | /** |
| 77 | * @hide |
| 78 | */ |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 79 | public static class CompareResult<T> { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 80 | public final List<T> removed = new ArrayList<>(); |
| 81 | public final List<T> added = new ArrayList<>(); |
Rubin Xu | 2fc72f7 | 2017-08-22 16:35:52 +0100 | [diff] [blame] | 82 | |
| 83 | public CompareResult() {} |
| 84 | |
| 85 | public CompareResult(Collection<T> oldItems, Collection<T> newItems) { |
| 86 | if (oldItems != null) { |
| 87 | removed.addAll(oldItems); |
| 88 | } |
| 89 | if (newItems != null) { |
| 90 | for (T newItem : newItems) { |
| 91 | if (!removed.remove(newItem)) { |
| 92 | added.add(newItem); |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | } |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 97 | |
| 98 | @Override |
| 99 | public String toString() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 100 | return "removed=[" + TextUtils.join(",", removed) |
| 101 | + "] added=[" + TextUtils.join(",", added) |
| 102 | + "]"; |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 103 | } |
| 104 | } |
| 105 | |
Sreeram Ramachandran | cc91c7b | 2014-06-03 18:41:43 -0700 | [diff] [blame] | 106 | /** |
| 107 | * @hide |
| 108 | */ |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 109 | public enum ProvisioningChange { |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 110 | @UnsupportedAppUsage |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 111 | STILL_NOT_PROVISIONED, |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 112 | @UnsupportedAppUsage |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 113 | LOST_PROVISIONING, |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 114 | @UnsupportedAppUsage |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 115 | GAINED_PROVISIONING, |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 116 | @UnsupportedAppUsage |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 117 | STILL_PROVISIONED, |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Compare the provisioning states of two LinkProperties instances. |
| 122 | * |
| 123 | * @hide |
| 124 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 125 | @UnsupportedAppUsage |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 126 | public static ProvisioningChange compareProvisioning( |
| 127 | LinkProperties before, LinkProperties after) { |
| 128 | if (before.isProvisioned() && after.isProvisioned()) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 129 | // On dual-stack networks, DHCPv4 renewals can occasionally fail. |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 130 | // When this happens, IPv6-reachable services continue to function |
| 131 | // normally but IPv4-only services (naturally) fail. |
| 132 | // |
| 133 | // When an application using an IPv4-only service reports a bad |
| 134 | // network condition to the framework, attempts to re-validate |
| 135 | // the network succeed (since we support IPv6-only networks) and |
| 136 | // nothing is changed. |
| 137 | // |
| 138 | // For users, this is confusing and unexpected behaviour, and is |
| 139 | // not necessarily easy to diagnose. Therefore, we treat changing |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 140 | // from a dual-stack network to an IPv6-only network equivalent to |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 141 | // a total loss of provisioning. |
| 142 | // |
| 143 | // For one such example of this, see b/18867306. |
| 144 | // |
Erik Kline | 1ad4e22 | 2015-08-14 12:16:55 +0900 | [diff] [blame] | 145 | // Additionally, losing IPv6 provisioning can result in TCP |
| 146 | // connections getting stuck until timeouts fire and other |
| 147 | // baffling failures. Therefore, loss of either IPv4 or IPv6 on a |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 148 | // previously dual-stack network is deemed a lost of provisioning. |
Erik Kline | 1ad4e22 | 2015-08-14 12:16:55 +0900 | [diff] [blame] | 149 | if ((before.isIPv4Provisioned() && !after.isIPv4Provisioned()) || |
| 150 | (before.isIPv6Provisioned() && !after.isIPv6Provisioned())) { |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 151 | return ProvisioningChange.LOST_PROVISIONING; |
| 152 | } |
| 153 | return ProvisioningChange.STILL_PROVISIONED; |
| 154 | } else if (before.isProvisioned() && !after.isProvisioned()) { |
| 155 | return ProvisioningChange.LOST_PROVISIONING; |
| 156 | } else if (!before.isProvisioned() && after.isProvisioned()) { |
| 157 | return ProvisioningChange.GAINED_PROVISIONING; |
| 158 | } else { // !before.isProvisioned() && !after.isProvisioned() |
| 159 | return ProvisioningChange.STILL_NOT_PROVISIONED; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * @hide |
| 165 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 166 | @SystemApi |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 167 | public LinkProperties() { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 168 | } |
| 169 | |
Sreeram Ramachandran | cc91c7b | 2014-06-03 18:41:43 -0700 | [diff] [blame] | 170 | /** |
| 171 | * @hide |
| 172 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 173 | @UnsupportedAppUsage |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 174 | public LinkProperties(LinkProperties source) { |
Irfan Sheriff | ef6c143 | 2010-08-30 20:37:17 -0700 | [diff] [blame] | 175 | if (source != null) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 176 | mIfaceName = source.mIfaceName; |
| 177 | mLinkAddresses.addAll(source.mLinkAddresses); |
| 178 | mDnses.addAll(source.mDnses); |
| 179 | mValidatedPrivateDnses.addAll(source.mValidatedPrivateDnses); |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 180 | mUsePrivateDns = source.mUsePrivateDns; |
| 181 | mPrivateDnsServerName = source.mPrivateDnsServerName; |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 182 | mDomains = source.mDomains; |
| 183 | mRoutes.addAll(source.mRoutes); |
| 184 | mHttpProxy = (source.mHttpProxy == null) ? null : new ProxyInfo(source.mHttpProxy); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 185 | for (LinkProperties l: source.mStackedLinks.values()) { |
| 186 | addStackedLink(l); |
| 187 | } |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 188 | setMtu(source.mMtu); |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 189 | mTcpBufferSizes = source.mTcpBufferSizes; |
Irfan Sheriff | ef6c143 | 2010-08-30 20:37:17 -0700 | [diff] [blame] | 190 | } |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 191 | } |
| 192 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 193 | /** |
| 194 | * Sets the interface name for this link. All {@link RouteInfo} already set for this |
| 195 | * will have their interface changed to match this new value. |
| 196 | * |
| 197 | * @param iface The name of the network interface used for this link. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 198 | * @hide |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 199 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 200 | @SystemApi |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 201 | public void setInterfaceName(String iface) { |
| 202 | mIfaceName = iface; |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 203 | ArrayList<RouteInfo> newRoutes = new ArrayList<>(mRoutes.size()); |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 204 | for (RouteInfo route : mRoutes) { |
| 205 | newRoutes.add(routeWithInterface(route)); |
| 206 | } |
| 207 | mRoutes = newRoutes; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 208 | } |
| 209 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 210 | /** |
| 211 | * Gets the interface name for this link. May be {@code null} if not set. |
| 212 | * |
| 213 | * @return The interface name set for this link or {@code null}. |
| 214 | */ |
Jeff Sharkey | 9da2f1e | 2014-08-14 12:55:00 -0700 | [diff] [blame] | 215 | public @Nullable String getInterfaceName() { |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 216 | return mIfaceName; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 217 | } |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 218 | |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 219 | /** |
| 220 | * @hide |
| 221 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 222 | @UnsupportedAppUsage |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 223 | public List<String> getAllInterfaceNames() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 224 | List<String> interfaceNames = new ArrayList<>(mStackedLinks.size() + 1); |
| 225 | if (mIfaceName != null) interfaceNames.add(mIfaceName); |
Lorenzo Colitti | 4aa9bcf | 2013-03-20 19:22:58 +0900 | [diff] [blame] | 226 | for (LinkProperties stacked: mStackedLinks.values()) { |
| 227 | interfaceNames.addAll(stacked.getAllInterfaceNames()); |
| 228 | } |
| 229 | return interfaceNames; |
| 230 | } |
| 231 | |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 232 | /** |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 233 | * Returns all the addresses on this link. We often think of a link having a single address, |
| 234 | * however, particularly with Ipv6 several addresses are typical. Note that the |
| 235 | * {@code LinkProperties} actually contains {@link LinkAddress} objects which also include |
| 236 | * prefix lengths for each address. This is a simplified utility alternative to |
| 237 | * {@link LinkProperties#getLinkAddresses}. |
| 238 | * |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 239 | * @return An unmodifiable {@link List} of {@link InetAddress} for this link. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 240 | * @hide |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 241 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 242 | @UnsupportedAppUsage |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 243 | public List<InetAddress> getAddresses() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 244 | List<InetAddress> addresses = new ArrayList<>(); |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 245 | for (LinkAddress linkAddress : mLinkAddresses) { |
| 246 | addresses.add(linkAddress.getAddress()); |
| 247 | } |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 248 | return Collections.unmodifiableList(addresses); |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 249 | } |
| 250 | |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 251 | /** |
| 252 | * Returns all the addresses on this link and all the links stacked above it. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 253 | * @hide |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 254 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 255 | @UnsupportedAppUsage |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 256 | public List<InetAddress> getAllAddresses() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 257 | List<InetAddress> addresses = new ArrayList<>(); |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 258 | for (LinkAddress linkAddress : mLinkAddresses) { |
| 259 | addresses.add(linkAddress.getAddress()); |
| 260 | } |
| 261 | for (LinkProperties stacked: mStackedLinks.values()) { |
| 262 | addresses.addAll(stacked.getAllAddresses()); |
| 263 | } |
| 264 | return addresses; |
| 265 | } |
| 266 | |
Lorenzo Colitti | 6448394 | 2013-11-15 18:43:52 +0900 | [diff] [blame] | 267 | private int findLinkAddressIndex(LinkAddress address) { |
| 268 | for (int i = 0; i < mLinkAddresses.size(); i++) { |
| 269 | if (mLinkAddresses.get(i).isSameAddressAs(address)) { |
| 270 | return i; |
| 271 | } |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 272 | } |
Lorenzo Colitti | 6448394 | 2013-11-15 18:43:52 +0900 | [diff] [blame] | 273 | return -1; |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | /** |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 277 | * Adds a {@link LinkAddress} to this {@code LinkProperties} if a {@link LinkAddress} of the |
| 278 | * same address/prefix does not already exist. If it does exist it is replaced. |
Lorenzo Colitti | 6448394 | 2013-11-15 18:43:52 +0900 | [diff] [blame] | 279 | * @param address The {@code LinkAddress} to add. |
| 280 | * @return true if {@code address} was added or updated, false otherwise. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 281 | * @hide |
Lorenzo Colitti | 6448394 | 2013-11-15 18:43:52 +0900 | [diff] [blame] | 282 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 283 | @UnsupportedAppUsage |
Lorenzo Colitti | 6448394 | 2013-11-15 18:43:52 +0900 | [diff] [blame] | 284 | public boolean addLinkAddress(LinkAddress address) { |
| 285 | if (address == null) { |
| 286 | return false; |
| 287 | } |
| 288 | int i = findLinkAddressIndex(address); |
| 289 | if (i < 0) { |
| 290 | // Address was not present. Add it. |
| 291 | mLinkAddresses.add(address); |
| 292 | return true; |
| 293 | } else if (mLinkAddresses.get(i).equals(address)) { |
| 294 | // Address was present and has same properties. Do nothing. |
| 295 | return false; |
| 296 | } else { |
| 297 | // Address was present and has different properties. Update it. |
| 298 | mLinkAddresses.set(i, address); |
| 299 | return true; |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | /** |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 304 | * Removes a {@link LinkAddress} from this {@code LinkProperties}. Specifically, matches |
| 305 | * and {@link LinkAddress} with the same address and prefix. |
| 306 | * |
| 307 | * @param toRemove A {@link LinkAddress} specifying the address to remove. |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 308 | * @return true if the address was removed, false if it did not exist. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 309 | * @hide |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 310 | */ |
| 311 | public boolean removeLinkAddress(LinkAddress toRemove) { |
Lorenzo Colitti | 6448394 | 2013-11-15 18:43:52 +0900 | [diff] [blame] | 312 | int i = findLinkAddressIndex(toRemove); |
| 313 | if (i >= 0) { |
| 314 | mLinkAddresses.remove(i); |
| 315 | return true; |
| 316 | } |
| 317 | return false; |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 318 | } |
| 319 | |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 320 | /** |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 321 | * Returns all the {@link LinkAddress} on this link. Typically a link will have |
| 322 | * one IPv4 address and one or more IPv6 addresses. |
| 323 | * |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 324 | * @return An unmodifiable {@link List} of {@link LinkAddress} for this link. |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 325 | */ |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 326 | public List<LinkAddress> getLinkAddresses() { |
| 327 | return Collections.unmodifiableList(mLinkAddresses); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 328 | } |
| 329 | |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 330 | /** |
| 331 | * Returns all the addresses on this link and all the links stacked above it. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 332 | * @hide |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 333 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 334 | @UnsupportedAppUsage |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 335 | public List<LinkAddress> getAllLinkAddresses() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 336 | List<LinkAddress> addresses = new ArrayList<>(mLinkAddresses); |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 337 | for (LinkProperties stacked: mStackedLinks.values()) { |
| 338 | addresses.addAll(stacked.getAllLinkAddresses()); |
| 339 | } |
| 340 | return addresses; |
| 341 | } |
| 342 | |
Lorenzo Colitti | 22f407b | 2013-08-23 20:54:49 +0900 | [diff] [blame] | 343 | /** |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 344 | * Replaces the {@link LinkAddress} in this {@code LinkProperties} with |
| 345 | * the given {@link Collection} of {@link LinkAddress}. |
| 346 | * |
| 347 | * @param addresses The {@link Collection} of {@link LinkAddress} to set in this |
| 348 | * object. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 349 | * @hide |
Lorenzo Colitti | 22f407b | 2013-08-23 20:54:49 +0900 | [diff] [blame] | 350 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 351 | @SystemApi |
Lorenzo Colitti | 22f407b | 2013-08-23 20:54:49 +0900 | [diff] [blame] | 352 | public void setLinkAddresses(Collection<LinkAddress> addresses) { |
| 353 | mLinkAddresses.clear(); |
| 354 | for (LinkAddress address: addresses) { |
| 355 | addLinkAddress(address); |
| 356 | } |
| 357 | } |
| 358 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 359 | /** |
Lorenzo Colitti | 309a75d | 2014-06-24 00:34:39 +0900 | [diff] [blame] | 360 | * Adds the given {@link InetAddress} to the list of DNS servers, if not present. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 361 | * |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 362 | * @param dnsServer The {@link InetAddress} to add to the list of DNS servers. |
Lorenzo Colitti | 309a75d | 2014-06-24 00:34:39 +0900 | [diff] [blame] | 363 | * @return true if the DNS server was added, false if it was already present. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 364 | * @hide |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 365 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 366 | @UnsupportedAppUsage |
Lorenzo Colitti | 309a75d | 2014-06-24 00:34:39 +0900 | [diff] [blame] | 367 | public boolean addDnsServer(InetAddress dnsServer) { |
| 368 | if (dnsServer != null && !mDnses.contains(dnsServer)) { |
| 369 | mDnses.add(dnsServer); |
| 370 | return true; |
| 371 | } |
| 372 | return false; |
| 373 | } |
| 374 | |
| 375 | /** |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 376 | * Removes the given {@link InetAddress} from the list of DNS servers. |
| 377 | * |
| 378 | * @param dnsServer The {@link InetAddress} to remove from the list of DNS servers. |
| 379 | * @return true if the DNS server was removed, false if it did not exist. |
| 380 | * @hide |
| 381 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 382 | @UnsupportedAppUsage |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 383 | public boolean removeDnsServer(InetAddress dnsServer) { |
| 384 | if (dnsServer != null) { |
| 385 | return mDnses.remove(dnsServer); |
| 386 | } |
| 387 | return false; |
| 388 | } |
| 389 | |
| 390 | /** |
Lorenzo Colitti | 309a75d | 2014-06-24 00:34:39 +0900 | [diff] [blame] | 391 | * Replaces the DNS servers in this {@code LinkProperties} with |
| 392 | * the given {@link Collection} of {@link InetAddress} objects. |
| 393 | * |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 394 | * @param dnsServers The {@link Collection} of DNS servers to set in this object. |
Lorenzo Colitti | 309a75d | 2014-06-24 00:34:39 +0900 | [diff] [blame] | 395 | * @hide |
| 396 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 397 | @SystemApi |
Lorenzo Colitti | 309a75d | 2014-06-24 00:34:39 +0900 | [diff] [blame] | 398 | public void setDnsServers(Collection<InetAddress> dnsServers) { |
| 399 | mDnses.clear(); |
| 400 | for (InetAddress dnsServer: dnsServers) { |
| 401 | addDnsServer(dnsServer); |
| 402 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 403 | } |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 404 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 405 | /** |
Sreeram Ramachandran | cc91c7b | 2014-06-03 18:41:43 -0700 | [diff] [blame] | 406 | * Returns all the {@link InetAddress} for DNS servers on this link. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 407 | * |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 408 | * @return An unmodifiable {@link List} of {@link InetAddress} for DNS servers on |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 409 | * this link. |
| 410 | */ |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 411 | public List<InetAddress> getDnsServers() { |
| 412 | return Collections.unmodifiableList(mDnses); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 413 | } |
| 414 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 415 | /** |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 416 | * Set whether private DNS is currently in use on this network. |
| 417 | * |
| 418 | * @param usePrivateDns The private DNS state. |
| 419 | * @hide |
| 420 | */ |
| 421 | public void setUsePrivateDns(boolean usePrivateDns) { |
| 422 | mUsePrivateDns = usePrivateDns; |
| 423 | } |
| 424 | |
| 425 | /** |
| 426 | * Returns whether private DNS is currently in use on this network. When |
| 427 | * private DNS is in use, applications must not send unencrypted DNS |
| 428 | * queries as doing so could reveal private user information. Furthermore, |
| 429 | * if private DNS is in use and {@link #getPrivateDnsServerName} is not |
| 430 | * {@code null}, DNS queries must be sent to the specified DNS server. |
| 431 | * |
| 432 | * @return {@code true} if private DNS is in use, {@code false} otherwise. |
| 433 | */ |
| 434 | public boolean isPrivateDnsActive() { |
| 435 | return mUsePrivateDns; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Set the name of the private DNS server to which private DNS queries |
| 440 | * should be sent when in strict mode. This value should be {@code null} |
| 441 | * when private DNS is off or in opportunistic mode. |
| 442 | * |
| 443 | * @param privateDnsServerName The private DNS server name. |
| 444 | * @hide |
| 445 | */ |
| 446 | public void setPrivateDnsServerName(@Nullable String privateDnsServerName) { |
| 447 | mPrivateDnsServerName = privateDnsServerName; |
| 448 | } |
| 449 | |
| 450 | /** |
| 451 | * Returns the private DNS server name that is in use. If not {@code null}, |
| 452 | * private DNS is in strict mode. In this mode, applications should ensure |
| 453 | * that all DNS queries are encrypted and sent to this hostname and that |
| 454 | * queries are only sent if the hostname's certificate is valid. If |
| 455 | * {@code null} and {@link #isPrivateDnsActive} is {@code true}, private |
| 456 | * DNS is in opportunistic mode, and applications should ensure that DNS |
| 457 | * queries are encrypted and sent to a DNS server returned by |
| 458 | * {@link #getDnsServers}. System DNS will handle each of these cases |
| 459 | * correctly, but applications implementing their own DNS lookups must make |
| 460 | * sure to follow these requirements. |
| 461 | * |
| 462 | * @return The private DNS server name. |
| 463 | */ |
| 464 | public @Nullable String getPrivateDnsServerName() { |
| 465 | return mPrivateDnsServerName; |
| 466 | } |
| 467 | |
| 468 | /** |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 469 | * Adds the given {@link InetAddress} to the list of validated private DNS servers, |
| 470 | * if not present. This is distinct from the server name in that these are actually |
| 471 | * resolved addresses. |
| 472 | * |
| 473 | * @param dnsServer The {@link InetAddress} to add to the list of validated private DNS servers. |
| 474 | * @return true if the DNS server was added, false if it was already present. |
| 475 | * @hide |
| 476 | */ |
| 477 | public boolean addValidatedPrivateDnsServer(InetAddress dnsServer) { |
| 478 | if (dnsServer != null && !mValidatedPrivateDnses.contains(dnsServer)) { |
| 479 | mValidatedPrivateDnses.add(dnsServer); |
| 480 | return true; |
| 481 | } |
| 482 | return false; |
| 483 | } |
| 484 | |
| 485 | /** |
| 486 | * Removes the given {@link InetAddress} from the list of validated private DNS servers. |
| 487 | * |
| 488 | * @param dnsServer The {@link InetAddress} to remove from the list of validated private DNS |
| 489 | * servers. |
| 490 | * @return true if the DNS server was removed, false if it did not exist. |
| 491 | * @hide |
| 492 | */ |
| 493 | public boolean removeValidatedPrivateDnsServer(InetAddress dnsServer) { |
| 494 | if (dnsServer != null) { |
| 495 | return mValidatedPrivateDnses.remove(dnsServer); |
| 496 | } |
| 497 | return false; |
| 498 | } |
| 499 | |
| 500 | /** |
| 501 | * Replaces the validated private DNS servers in this {@code LinkProperties} with |
| 502 | * the given {@link Collection} of {@link InetAddress} objects. |
| 503 | * |
| 504 | * @param dnsServers The {@link Collection} of validated private DNS servers to set in this |
| 505 | * object. |
| 506 | * @hide |
| 507 | */ |
| 508 | public void setValidatedPrivateDnsServers(Collection<InetAddress> dnsServers) { |
| 509 | mValidatedPrivateDnses.clear(); |
| 510 | for (InetAddress dnsServer: dnsServers) { |
| 511 | addValidatedPrivateDnsServer(dnsServer); |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | /** |
| 516 | * Returns all the {@link InetAddress} for validated private DNS servers on this link. |
| 517 | * These are resolved from the private DNS server name. |
| 518 | * |
| 519 | * @return An umodifiable {@link List} of {@link InetAddress} for validated private |
| 520 | * DNS servers on this link. |
| 521 | * @hide |
| 522 | */ |
| 523 | public List<InetAddress> getValidatedPrivateDnsServers() { |
| 524 | return Collections.unmodifiableList(mValidatedPrivateDnses); |
| 525 | } |
| 526 | |
| 527 | /** |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 528 | * Sets the DNS domain search path used on this link. |
| 529 | * |
| 530 | * @param domains A {@link String} listing in priority order the comma separated |
| 531 | * domains to search when resolving host names on this link. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 532 | * @hide |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 533 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 534 | @SystemApi |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 535 | public void setDomains(String domains) { |
| 536 | mDomains = domains; |
| 537 | } |
| 538 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 539 | /** |
| 540 | * Get the DNS domains search path set for this link. |
| 541 | * |
| 542 | * @return A {@link String} containing the comma separated domains to search when resolving |
| 543 | * host names on this link. |
| 544 | */ |
| 545 | public String getDomains() { |
| 546 | return mDomains; |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * Sets the Maximum Transmission Unit size to use on this link. This should not be used |
| 551 | * unless the system default (1500) is incorrect. Values less than 68 or greater than |
| 552 | * 10000 will be ignored. |
| 553 | * |
| 554 | * @param mtu The MTU to use for this link. |
| 555 | * @hide |
| 556 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 557 | @SystemApi |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 558 | public void setMtu(int mtu) { |
| 559 | mMtu = mtu; |
| 560 | } |
| 561 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 562 | /** |
| 563 | * Gets any non-default MTU size set for this link. Note that if the default is being used |
| 564 | * this will return 0. |
| 565 | * |
| 566 | * @return The mtu value set for this link. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 567 | */ |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 568 | public int getMtu() { |
| 569 | return mMtu; |
| 570 | } |
| 571 | |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 572 | /** |
| 573 | * Sets the tcp buffers sizes to be used when this link is the system default. |
| 574 | * Should be of the form "rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max". |
| 575 | * |
| 576 | * @param tcpBufferSizes The tcp buffers sizes to use. |
| 577 | * |
| 578 | * @hide |
| 579 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 580 | @UnsupportedAppUsage |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 581 | public void setTcpBufferSizes(String tcpBufferSizes) { |
| 582 | mTcpBufferSizes = tcpBufferSizes; |
| 583 | } |
| 584 | |
| 585 | /** |
| 586 | * Gets the tcp buffer sizes. |
| 587 | * |
| 588 | * @return the tcp buffer sizes to use when this link is the system default. |
| 589 | * |
| 590 | * @hide |
| 591 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 592 | @UnsupportedAppUsage |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 593 | public String getTcpBufferSizes() { |
| 594 | return mTcpBufferSizes; |
| 595 | } |
| 596 | |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 597 | private RouteInfo routeWithInterface(RouteInfo route) { |
| 598 | return new RouteInfo( |
| 599 | route.getDestination(), |
| 600 | route.getGateway(), |
Lorenzo Colitti | 4b0f8e6 | 2014-09-19 01:49:05 +0900 | [diff] [blame] | 601 | mIfaceName, |
| 602 | route.getType()); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 603 | } |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 604 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 605 | /** |
Lorenzo Colitti | c17a1b9 | 2014-06-12 23:10:17 +0900 | [diff] [blame] | 606 | * Adds a {@link RouteInfo} to this {@code LinkProperties}, if not present. If the |
| 607 | * {@link RouteInfo} had an interface name set and that differs from the interface set for this |
| 608 | * {@code LinkProperties} an {@link IllegalArgumentException} will be thrown. The proper |
| 609 | * course is to add either un-named or properly named {@link RouteInfo}. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 610 | * |
| 611 | * @param route A {@link RouteInfo} to add to this object. |
Lorenzo Colitti | c17a1b9 | 2014-06-12 23:10:17 +0900 | [diff] [blame] | 612 | * @return {@code false} if the route was already present, {@code true} if it was added. |
| 613 | * |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 614 | * @hide |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 615 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 616 | @SystemApi |
Lorenzo Colitti | c17a1b9 | 2014-06-12 23:10:17 +0900 | [diff] [blame] | 617 | public boolean addRoute(RouteInfo route) { |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 618 | if (route != null) { |
| 619 | String routeIface = route.getInterface(); |
| 620 | if (routeIface != null && !routeIface.equals(mIfaceName)) { |
Lorenzo Colitti | 1994bc1 | 2013-03-08 19:11:40 -0800 | [diff] [blame] | 621 | throw new IllegalArgumentException( |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 622 | "Route added with non-matching interface: " + routeIface + |
Lorenzo Colitti | 1994bc1 | 2013-03-08 19:11:40 -0800 | [diff] [blame] | 623 | " vs. " + mIfaceName); |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 624 | } |
Lorenzo Colitti | c17a1b9 | 2014-06-12 23:10:17 +0900 | [diff] [blame] | 625 | route = routeWithInterface(route); |
| 626 | if (!mRoutes.contains(route)) { |
| 627 | mRoutes.add(route); |
| 628 | return true; |
| 629 | } |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 630 | } |
Lorenzo Colitti | c17a1b9 | 2014-06-12 23:10:17 +0900 | [diff] [blame] | 631 | return false; |
| 632 | } |
| 633 | |
| 634 | /** |
| 635 | * Removes a {@link RouteInfo} from this {@code LinkProperties}, if present. The route must |
| 636 | * specify an interface and the interface must match the interface of this |
| 637 | * {@code LinkProperties}, or it will not be removed. |
| 638 | * |
| 639 | * @return {@code true} if the route was removed, {@code false} if it was not present. |
| 640 | * |
| 641 | * @hide |
| 642 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 643 | @UnsupportedAppUsage |
Lorenzo Colitti | c17a1b9 | 2014-06-12 23:10:17 +0900 | [diff] [blame] | 644 | public boolean removeRoute(RouteInfo route) { |
| 645 | return route != null && |
| 646 | Objects.equals(mIfaceName, route.getInterface()) && |
| 647 | mRoutes.remove(route); |
Lorenzo Colitti | 45b9a5b | 2013-03-08 11:30:39 -0800 | [diff] [blame] | 648 | } |
| 649 | |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 650 | /** |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 651 | * Returns all the {@link RouteInfo} set on this link. |
| 652 | * |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 653 | * @return An unmodifiable {@link List} of {@link RouteInfo} for this link. |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 654 | */ |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 655 | public List<RouteInfo> getRoutes() { |
| 656 | return Collections.unmodifiableList(mRoutes); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 657 | } |
| 658 | |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 659 | /** |
Rubin Xu | 1bb5c08 | 2017-09-05 18:40:49 +0100 | [diff] [blame] | 660 | * Make sure this LinkProperties instance contains routes that cover the local subnet |
| 661 | * of its link addresses. Add any route that is missing. |
| 662 | * @hide |
| 663 | */ |
| 664 | public void ensureDirectlyConnectedRoutes() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 665 | for (LinkAddress addr : mLinkAddresses) { |
Rubin Xu | 1bb5c08 | 2017-09-05 18:40:49 +0100 | [diff] [blame] | 666 | addRoute(new RouteInfo(addr, null, mIfaceName)); |
| 667 | } |
| 668 | } |
| 669 | |
| 670 | /** |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 671 | * Returns all the routes on this link and all the links stacked above it. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 672 | * @hide |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 673 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 674 | @UnsupportedAppUsage |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 675 | public List<RouteInfo> getAllRoutes() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 676 | List<RouteInfo> routes = new ArrayList<>(mRoutes); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 677 | for (LinkProperties stacked: mStackedLinks.values()) { |
| 678 | routes.addAll(stacked.getAllRoutes()); |
| 679 | } |
Robert Greenwalt | 6629bcd | 2013-03-15 11:28:50 -0700 | [diff] [blame] | 680 | return routes; |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 681 | } |
| 682 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 683 | /** |
| 684 | * Sets the recommended {@link ProxyInfo} to use on this link, or {@code null} for none. |
| 685 | * Note that Http Proxies are only a hint - the system recommends their use, but it does |
| 686 | * not enforce it and applications may ignore them. |
| 687 | * |
Erik Kline | b36a313 | 2015-06-26 19:21:34 +0900 | [diff] [blame] | 688 | * @param proxy A {@link ProxyInfo} defining the HTTP Proxy to use on this link. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 689 | * @hide |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 690 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 691 | @SystemApi |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 692 | public void setHttpProxy(ProxyInfo proxy) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 693 | mHttpProxy = proxy; |
| 694 | } |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 695 | |
| 696 | /** |
| 697 | * Gets the recommended {@link ProxyInfo} (or {@code null}) set on this link. |
| 698 | * |
| 699 | * @return The {@link ProxyInfo} set on this link |
| 700 | */ |
Jason Monk | 207900c | 2014-04-25 15:00:09 -0400 | [diff] [blame] | 701 | public ProxyInfo getHttpProxy() { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 702 | return mHttpProxy; |
| 703 | } |
| 704 | |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 705 | /** |
| 706 | * Adds a stacked link. |
| 707 | * |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 708 | * If there is already a stacked link with the same interface name as link, |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 709 | * that link is replaced with link. Otherwise, link is added to the list |
| 710 | * of stacked links. If link is null, nothing changes. |
| 711 | * |
| 712 | * @param link The link to add. |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 713 | * @return true if the link was stacked, false otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 714 | * @hide |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 715 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 716 | @UnsupportedAppUsage |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 717 | public boolean addStackedLink(LinkProperties link) { |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 718 | if (link != null && link.getInterfaceName() != null) { |
| 719 | mStackedLinks.put(link.getInterfaceName(), link); |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 720 | return true; |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 721 | } |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 722 | return false; |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 723 | } |
| 724 | |
| 725 | /** |
| 726 | * Removes a stacked link. |
| 727 | * |
Lorenzo Colitti | f3cab63 | 2014-10-20 11:08:03 +0900 | [diff] [blame] | 728 | * If there is a stacked link with the given interface name, it is |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 729 | * removed. Otherwise, nothing changes. |
| 730 | * |
Lorenzo Colitti | f3cab63 | 2014-10-20 11:08:03 +0900 | [diff] [blame] | 731 | * @param iface The interface name of the link to remove. |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 732 | * @return true if the link was removed, false otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 733 | * @hide |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 734 | */ |
Lorenzo Colitti | f3cab63 | 2014-10-20 11:08:03 +0900 | [diff] [blame] | 735 | public boolean removeStackedLink(String iface) { |
| 736 | if (iface != null) { |
| 737 | LinkProperties removed = mStackedLinks.remove(iface); |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 738 | return removed != null; |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 739 | } |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 740 | return false; |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 741 | } |
| 742 | |
| 743 | /** |
| 744 | * Returns all the links stacked on top of this link. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 745 | * @hide |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 746 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 747 | @UnsupportedAppUsage |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 748 | public @NonNull List<LinkProperties> getStackedLinks() { |
| 749 | if (mStackedLinks.isEmpty()) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 750 | return Collections.emptyList(); |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 751 | } |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 752 | List<LinkProperties> stacked = new ArrayList<>(); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 753 | for (LinkProperties link : mStackedLinks.values()) { |
Jeff Sharkey | eb2c2c7 | 2014-08-11 15:22:51 -0700 | [diff] [blame] | 754 | stacked.add(new LinkProperties(link)); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 755 | } |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 756 | return Collections.unmodifiableList(stacked); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 757 | } |
| 758 | |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 759 | /** |
| 760 | * Clears this object to its initial state. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 761 | * @hide |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 762 | */ |
paulhu | 7610bc7 | 2018-12-12 17:52:57 +0800 | [diff] [blame] | 763 | @SystemApi |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 764 | public void clear() { |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 765 | mIfaceName = null; |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 766 | mLinkAddresses.clear(); |
| 767 | mDnses.clear(); |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 768 | mUsePrivateDns = false; |
| 769 | mPrivateDnsServerName = null; |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 770 | mDomains = null; |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 771 | mRoutes.clear(); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 772 | mHttpProxy = null; |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 773 | mStackedLinks.clear(); |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 774 | mMtu = 0; |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 775 | mTcpBufferSizes = null; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 776 | } |
| 777 | |
| 778 | /** |
| 779 | * Implement the Parcelable interface |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 780 | */ |
| 781 | public int describeContents() { |
| 782 | return 0; |
| 783 | } |
| 784 | |
Wink Saville | 1f6408a | 2010-08-27 11:15:18 -0700 | [diff] [blame] | 785 | @Override |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 786 | public String toString() { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 787 | // Space as a separator, so no need for spaces at start/end of the individual fragments. |
| 788 | final StringJoiner resultJoiner = new StringJoiner(" ", "{", "}"); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 789 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 790 | if (mIfaceName != null) { |
| 791 | resultJoiner.add("InterfaceName:"); |
| 792 | resultJoiner.add(mIfaceName); |
| 793 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 794 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 795 | resultJoiner.add("LinkAddresses: ["); |
| 796 | if (!mLinkAddresses.isEmpty()) { |
| 797 | resultJoiner.add(TextUtils.join(",", mLinkAddresses)); |
| 798 | } |
| 799 | resultJoiner.add("]"); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 800 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 801 | resultJoiner.add("DnsAddresses: ["); |
| 802 | if (!mDnses.isEmpty()) { |
| 803 | resultJoiner.add(TextUtils.join(",", mDnses)); |
| 804 | } |
| 805 | resultJoiner.add("]"); |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 806 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 807 | if (mUsePrivateDns) { |
| 808 | resultJoiner.add("UsePrivateDns: true"); |
| 809 | } |
| 810 | |
Chalard Jean | faaf2fe | 2018-06-07 13:28:09 +0900 | [diff] [blame] | 811 | if (mPrivateDnsServerName != null) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 812 | resultJoiner.add("PrivateDnsServerName:"); |
| 813 | resultJoiner.add(mPrivateDnsServerName); |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 814 | } |
| 815 | |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 816 | if (!mValidatedPrivateDnses.isEmpty()) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 817 | final StringJoiner validatedPrivateDnsesJoiner = |
| 818 | new StringJoiner(",", "ValidatedPrivateDnsAddresses: [", "]"); |
| 819 | for (final InetAddress addr : mValidatedPrivateDnses) { |
| 820 | validatedPrivateDnsesJoiner.add(addr.getHostAddress()); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 821 | } |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 822 | resultJoiner.add(validatedPrivateDnsesJoiner.toString()); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 823 | } |
| 824 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 825 | resultJoiner.add("Domains:"); |
| 826 | resultJoiner.add(mDomains); |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 827 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 828 | resultJoiner.add("MTU:"); |
| 829 | resultJoiner.add(Integer.toString(mMtu)); |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 830 | |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 831 | if (mTcpBufferSizes != null) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 832 | resultJoiner.add("TcpBufferSizes:"); |
| 833 | resultJoiner.add(mTcpBufferSizes); |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 834 | } |
| 835 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 836 | resultJoiner.add("Routes: ["); |
| 837 | if (!mRoutes.isEmpty()) { |
| 838 | resultJoiner.add(TextUtils.join(",", mRoutes)); |
| 839 | } |
| 840 | resultJoiner.add("]"); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 841 | |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 842 | if (mHttpProxy != null) { |
| 843 | resultJoiner.add("HttpProxy:"); |
| 844 | resultJoiner.add(mHttpProxy.toString()); |
| 845 | } |
| 846 | |
| 847 | final Collection<LinkProperties> stackedLinksValues = mStackedLinks.values(); |
| 848 | if (!stackedLinksValues.isEmpty()) { |
| 849 | final StringJoiner stackedLinksJoiner = new StringJoiner(",", "Stacked: [", "]"); |
| 850 | for (final LinkProperties lp : stackedLinksValues) { |
| 851 | stackedLinksJoiner.add("[ " + lp + " ]"); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 852 | } |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 853 | resultJoiner.add(stackedLinksJoiner.toString()); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 854 | } |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 855 | |
| 856 | return resultJoiner.toString(); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 857 | } |
| 858 | |
| 859 | /** |
| 860 | * Returns true if this link has an IPv4 address. |
| 861 | * |
| 862 | * @return {@code true} if there is an IPv4 address, {@code false} otherwise. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 863 | * @hide |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 864 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 865 | @UnsupportedAppUsage |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 866 | public boolean hasIPv4Address() { |
| 867 | for (LinkAddress address : mLinkAddresses) { |
Hugo Benichi | bd87a39 | 2017-10-10 16:29:06 +0900 | [diff] [blame] | 868 | if (address.getAddress() instanceof Inet4Address) { |
| 869 | return true; |
| 870 | } |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 871 | } |
| 872 | return false; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 873 | } |
| 874 | |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 875 | /** |
Lorenzo Colitti | 87cfc70 | 2015-07-27 16:35:33 +0900 | [diff] [blame] | 876 | * Returns true if this link or any of its stacked interfaces has an IPv4 address. |
| 877 | * |
| 878 | * @return {@code true} if there is an IPv4 address, {@code false} otherwise. |
| 879 | */ |
| 880 | private boolean hasIPv4AddressOnInterface(String iface) { |
Lorenzo Colitti | 89b6392 | 2015-07-30 23:41:43 +0900 | [diff] [blame] | 881 | // mIfaceName can be null. |
| 882 | return (Objects.equals(iface, mIfaceName) && hasIPv4Address()) || |
Lorenzo Colitti | 87cfc70 | 2015-07-27 16:35:33 +0900 | [diff] [blame] | 883 | (iface != null && mStackedLinks.containsKey(iface) && |
| 884 | mStackedLinks.get(iface).hasIPv4Address()); |
| 885 | } |
| 886 | |
| 887 | /** |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 888 | * Returns true if this link has a global preferred IPv6 address. |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 889 | * |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 890 | * @return {@code true} if there is a global preferred IPv6 address, {@code false} otherwise. |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 891 | * @hide |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 892 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 893 | @UnsupportedAppUsage |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 894 | public boolean hasGlobalIPv6Address() { |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 895 | for (LinkAddress address : mLinkAddresses) { |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 896 | if (address.getAddress() instanceof Inet6Address && address.isGlobalPreferred()) { |
Lorenzo Colitti | 4faa027 | 2013-08-08 11:00:12 +0900 | [diff] [blame] | 897 | return true; |
| 898 | } |
| 899 | } |
| 900 | return false; |
| 901 | } |
| 902 | |
| 903 | /** |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 904 | * Returns true if this link has an IPv4 default route. |
| 905 | * |
| 906 | * @return {@code true} if there is an IPv4 default route, {@code false} otherwise. |
| 907 | * @hide |
| 908 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 909 | @UnsupportedAppUsage |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 910 | public boolean hasIPv4DefaultRoute() { |
| 911 | for (RouteInfo r : mRoutes) { |
Hugo Benichi | bd87a39 | 2017-10-10 16:29:06 +0900 | [diff] [blame] | 912 | if (r.isIPv4Default()) { |
| 913 | return true; |
| 914 | } |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 915 | } |
| 916 | return false; |
| 917 | } |
| 918 | |
| 919 | /** |
| 920 | * Returns true if this link has an IPv6 default route. |
| 921 | * |
| 922 | * @return {@code true} if there is an IPv6 default route, {@code false} otherwise. |
| 923 | * @hide |
| 924 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 925 | @UnsupportedAppUsage |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 926 | public boolean hasIPv6DefaultRoute() { |
| 927 | for (RouteInfo r : mRoutes) { |
Hugo Benichi | bd87a39 | 2017-10-10 16:29:06 +0900 | [diff] [blame] | 928 | if (r.isIPv6Default()) { |
| 929 | return true; |
| 930 | } |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 931 | } |
| 932 | return false; |
| 933 | } |
| 934 | |
| 935 | /** |
| 936 | * Returns true if this link has an IPv4 DNS server. |
| 937 | * |
| 938 | * @return {@code true} if there is an IPv4 DNS server, {@code false} otherwise. |
| 939 | * @hide |
| 940 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 941 | @UnsupportedAppUsage |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 942 | public boolean hasIPv4DnsServer() { |
| 943 | for (InetAddress ia : mDnses) { |
Hugo Benichi | bd87a39 | 2017-10-10 16:29:06 +0900 | [diff] [blame] | 944 | if (ia instanceof Inet4Address) { |
| 945 | return true; |
| 946 | } |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 947 | } |
| 948 | return false; |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * Returns true if this link has an IPv6 DNS server. |
| 953 | * |
| 954 | * @return {@code true} if there is an IPv6 DNS server, {@code false} otherwise. |
| 955 | * @hide |
| 956 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 957 | @UnsupportedAppUsage |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 958 | public boolean hasIPv6DnsServer() { |
| 959 | for (InetAddress ia : mDnses) { |
Hugo Benichi | bd87a39 | 2017-10-10 16:29:06 +0900 | [diff] [blame] | 960 | if (ia instanceof Inet6Address) { |
| 961 | return true; |
| 962 | } |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 963 | } |
| 964 | return false; |
| 965 | } |
| 966 | |
| 967 | /** |
Erik Kline | d3b9fd3 | 2014-10-24 21:50:20 +0900 | [diff] [blame] | 968 | * Returns true if this link is provisioned for global IPv4 connectivity. |
| 969 | * This requires an IP address, default route, and DNS server. |
| 970 | * |
| 971 | * @return {@code true} if the link is provisioned, {@code false} otherwise. |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 972 | * @hide |
Erik Kline | d3b9fd3 | 2014-10-24 21:50:20 +0900 | [diff] [blame] | 973 | */ |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 974 | public boolean isIPv4Provisioned() { |
Erik Kline | d3b9fd3 | 2014-10-24 21:50:20 +0900 | [diff] [blame] | 975 | return (hasIPv4Address() && |
| 976 | hasIPv4DefaultRoute() && |
| 977 | hasIPv4DnsServer()); |
| 978 | } |
| 979 | |
| 980 | /** |
| 981 | * Returns true if this link is provisioned for global IPv6 connectivity. |
| 982 | * This requires an IP address, default route, and DNS server. |
| 983 | * |
| 984 | * @return {@code true} if the link is provisioned, {@code false} otherwise. |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 985 | * @hide |
Erik Kline | d3b9fd3 | 2014-10-24 21:50:20 +0900 | [diff] [blame] | 986 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 987 | @UnsupportedAppUsage |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 988 | public boolean isIPv6Provisioned() { |
Erik Kline | d3b9fd3 | 2014-10-24 21:50:20 +0900 | [diff] [blame] | 989 | return (hasGlobalIPv6Address() && |
| 990 | hasIPv6DefaultRoute() && |
| 991 | hasIPv6DnsServer()); |
| 992 | } |
| 993 | |
| 994 | /** |
| 995 | * Returns true if this link is provisioned for global connectivity, |
| 996 | * for at least one Internet Protocol family. |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 997 | * |
| 998 | * @return {@code true} if the link is provisioned, {@code false} otherwise. |
| 999 | * @hide |
| 1000 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 1001 | @UnsupportedAppUsage |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 1002 | public boolean isProvisioned() { |
Erik Kline | cd7ed16 | 2015-05-21 16:15:02 +0900 | [diff] [blame] | 1003 | return (isIPv4Provisioned() || isIPv6Provisioned()); |
Lorenzo Colitti | 76ea6c6 | 2014-06-23 22:33:43 +0900 | [diff] [blame] | 1004 | } |
| 1005 | |
| 1006 | /** |
Erik Kline | b36a313 | 2015-06-26 19:21:34 +0900 | [diff] [blame] | 1007 | * Evaluate whether the {@link InetAddress} is considered reachable. |
| 1008 | * |
| 1009 | * @return {@code true} if the given {@link InetAddress} is considered reachable, |
| 1010 | * {@code false} otherwise. |
| 1011 | * @hide |
| 1012 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 1013 | @UnsupportedAppUsage |
Erik Kline | b36a313 | 2015-06-26 19:21:34 +0900 | [diff] [blame] | 1014 | public boolean isReachable(InetAddress ip) { |
| 1015 | final List<RouteInfo> allRoutes = getAllRoutes(); |
| 1016 | // If we don't have a route to this IP address, it's not reachable. |
| 1017 | final RouteInfo bestRoute = RouteInfo.selectBestRoute(allRoutes, ip); |
| 1018 | if (bestRoute == null) { |
| 1019 | return false; |
| 1020 | } |
| 1021 | |
| 1022 | // TODO: better source address evaluation for destination addresses. |
| 1023 | |
| 1024 | if (ip instanceof Inet4Address) { |
| 1025 | // For IPv4, it suffices for now to simply have any address. |
Lorenzo Colitti | 87cfc70 | 2015-07-27 16:35:33 +0900 | [diff] [blame] | 1026 | return hasIPv4AddressOnInterface(bestRoute.getInterface()); |
Erik Kline | b36a313 | 2015-06-26 19:21:34 +0900 | [diff] [blame] | 1027 | } else if (ip instanceof Inet6Address) { |
| 1028 | if (ip.isLinkLocalAddress()) { |
| 1029 | // For now, just make sure link-local destinations have |
| 1030 | // scopedIds set, since transmits will generally fail otherwise. |
| 1031 | // TODO: verify it matches the ifindex of one of the interfaces. |
| 1032 | return (((Inet6Address)ip).getScopeId() != 0); |
| 1033 | } else { |
| 1034 | // For non-link-local destinations check that either the best route |
| 1035 | // is directly connected or that some global preferred address exists. |
| 1036 | // TODO: reconsider all cases (disconnected ULA networks, ...). |
| 1037 | return (!bestRoute.hasGateway() || hasGlobalIPv6Address()); |
| 1038 | } |
| 1039 | } |
| 1040 | |
| 1041 | return false; |
| 1042 | } |
| 1043 | |
| 1044 | /** |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1045 | * Compares this {@code LinkProperties} interface name against the target |
| 1046 | * |
| 1047 | * @param target LinkProperties to compare. |
| 1048 | * @return {@code true} if both are identical, {@code false} otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1049 | * @hide |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1050 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 1051 | @UnsupportedAppUsage |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1052 | public boolean isIdenticalInterfaceName(LinkProperties target) { |
| 1053 | return TextUtils.equals(getInterfaceName(), target.getInterfaceName()); |
| 1054 | } |
| 1055 | |
| 1056 | /** |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 1057 | * Compares this {@code LinkProperties} interface addresses against the target |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1058 | * |
| 1059 | * @param target LinkProperties to compare. |
| 1060 | * @return {@code true} if both are identical, {@code false} otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1061 | * @hide |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1062 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 1063 | @UnsupportedAppUsage |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1064 | public boolean isIdenticalAddresses(LinkProperties target) { |
| 1065 | Collection<InetAddress> targetAddresses = target.getAddresses(); |
| 1066 | Collection<InetAddress> sourceAddresses = getAddresses(); |
| 1067 | return (sourceAddresses.size() == targetAddresses.size()) ? |
| 1068 | sourceAddresses.containsAll(targetAddresses) : false; |
| 1069 | } |
| 1070 | |
| 1071 | /** |
| 1072 | * Compares this {@code LinkProperties} DNS addresses against the target |
| 1073 | * |
| 1074 | * @param target LinkProperties to compare. |
| 1075 | * @return {@code true} if both are identical, {@code false} otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1076 | * @hide |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1077 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 1078 | @UnsupportedAppUsage |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1079 | public boolean isIdenticalDnses(LinkProperties target) { |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 1080 | Collection<InetAddress> targetDnses = target.getDnsServers(); |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 1081 | String targetDomains = target.getDomains(); |
| 1082 | if (mDomains == null) { |
| 1083 | if (targetDomains != null) return false; |
| 1084 | } else { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1085 | if (!mDomains.equals(targetDomains)) return false; |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 1086 | } |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1087 | return (mDnses.size() == targetDnses.size()) ? |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1088 | mDnses.containsAll(targetDnses) : false; |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1089 | } |
| 1090 | |
| 1091 | /** |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 1092 | * Compares this {@code LinkProperties} private DNS settings against the |
| 1093 | * target. |
| 1094 | * |
| 1095 | * @param target LinkProperties to compare. |
| 1096 | * @return {@code true} if both are identical, {@code false} otherwise. |
| 1097 | * @hide |
| 1098 | */ |
| 1099 | public boolean isIdenticalPrivateDns(LinkProperties target) { |
| 1100 | return (isPrivateDnsActive() == target.isPrivateDnsActive() |
| 1101 | && TextUtils.equals(getPrivateDnsServerName(), |
| 1102 | target.getPrivateDnsServerName())); |
| 1103 | } |
| 1104 | |
| 1105 | /** |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1106 | * Compares this {@code LinkProperties} validated private DNS addresses against |
| 1107 | * the target |
| 1108 | * |
| 1109 | * @param target LinkProperties to compare. |
| 1110 | * @return {@code true} if both are identical, {@code false} otherwise. |
| 1111 | * @hide |
| 1112 | */ |
| 1113 | public boolean isIdenticalValidatedPrivateDnses(LinkProperties target) { |
| 1114 | Collection<InetAddress> targetDnses = target.getValidatedPrivateDnsServers(); |
| 1115 | return (mValidatedPrivateDnses.size() == targetDnses.size()) |
| 1116 | ? mValidatedPrivateDnses.containsAll(targetDnses) : false; |
| 1117 | } |
| 1118 | |
| 1119 | /** |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1120 | * Compares this {@code LinkProperties} Routes against the target |
| 1121 | * |
| 1122 | * @param target LinkProperties to compare. |
| 1123 | * @return {@code true} if both are identical, {@code false} otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1124 | * @hide |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1125 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 1126 | @UnsupportedAppUsage |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1127 | public boolean isIdenticalRoutes(LinkProperties target) { |
| 1128 | Collection<RouteInfo> targetRoutes = target.getRoutes(); |
| 1129 | return (mRoutes.size() == targetRoutes.size()) ? |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1130 | mRoutes.containsAll(targetRoutes) : false; |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | /** |
| 1134 | * Compares this {@code LinkProperties} HttpProxy against the target |
| 1135 | * |
| 1136 | * @param target LinkProperties to compare. |
| 1137 | * @return {@code true} if both are identical, {@code false} otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1138 | * @hide |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1139 | */ |
Mathew Inwood | 31755f9 | 2018-12-20 13:53:36 +0000 | [diff] [blame^] | 1140 | @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023) |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1141 | public boolean isIdenticalHttpProxy(LinkProperties target) { |
| 1142 | return getHttpProxy() == null ? target.getHttpProxy() == null : |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1143 | getHttpProxy().equals(target.getHttpProxy()); |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1144 | } |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1145 | |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 1146 | /** |
| 1147 | * Compares this {@code LinkProperties} stacked links against the target |
| 1148 | * |
| 1149 | * @param target LinkProperties to compare. |
| 1150 | * @return {@code true} if both are identical, {@code false} otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1151 | * @hide |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 1152 | */ |
Mathew Inwood | fa3a746 | 2018-08-08 14:52:47 +0100 | [diff] [blame] | 1153 | @UnsupportedAppUsage |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 1154 | public boolean isIdenticalStackedLinks(LinkProperties target) { |
Lorenzo Colitti | 213f98b | 2013-04-01 10:47:43 +0900 | [diff] [blame] | 1155 | if (!mStackedLinks.keySet().equals(target.mStackedLinks.keySet())) { |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 1156 | return false; |
| 1157 | } |
| 1158 | for (LinkProperties stacked : mStackedLinks.values()) { |
| 1159 | // Hashtable values can never be null. |
| 1160 | String iface = stacked.getInterfaceName(); |
| 1161 | if (!stacked.equals(target.mStackedLinks.get(iface))) { |
| 1162 | return false; |
| 1163 | } |
| 1164 | } |
| 1165 | return true; |
| 1166 | } |
| 1167 | |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1168 | /** |
| 1169 | * Compares this {@code LinkProperties} MTU against the target |
| 1170 | * |
Ying Wang | d57de6a | 2013-09-06 22:53:16 -0700 | [diff] [blame] | 1171 | * @param target LinkProperties to compare. |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1172 | * @return {@code true} if both are identical, {@code false} otherwise. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1173 | * @hide |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1174 | */ |
| 1175 | public boolean isIdenticalMtu(LinkProperties target) { |
| 1176 | return getMtu() == target.getMtu(); |
| 1177 | } |
| 1178 | |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1179 | /** |
| 1180 | * Compares this {@code LinkProperties} Tcp buffer sizes against the target. |
| 1181 | * |
| 1182 | * @param target LinkProperties to compare. |
| 1183 | * @return {@code true} if both are identical, {@code false} otherwise. |
| 1184 | * @hide |
| 1185 | */ |
| 1186 | public boolean isIdenticalTcpBufferSizes(LinkProperties target) { |
| 1187 | return Objects.equals(mTcpBufferSizes, target.mTcpBufferSizes); |
| 1188 | } |
| 1189 | |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1190 | /** |
| 1191 | * Compares this {@code LinkProperties} instance against the target |
| 1192 | * LinkProperties in {@code obj}. Two LinkPropertieses are equal if |
| 1193 | * all their fields are equal in values. |
| 1194 | * |
| 1195 | * For collection fields, such as mDnses, containsAll() is used to check |
| 1196 | * if two collections contains the same elements, independent of order. |
| 1197 | * There are two thoughts regarding containsAll() |
| 1198 | * 1. Duplicated elements. eg, (A, B, B) and (A, A, B) are equal. |
| 1199 | * 2. Worst case performance is O(n^2). |
| 1200 | * |
| 1201 | * @param obj the object to be tested for equality. |
| 1202 | * @return {@code true} if both objects are equal, {@code false} otherwise. |
| 1203 | */ |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1204 | @Override |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1205 | public boolean equals(Object obj) { |
| 1206 | if (this == obj) return true; |
| 1207 | |
| 1208 | if (!(obj instanceof LinkProperties)) return false; |
| 1209 | |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1210 | LinkProperties target = (LinkProperties) obj; |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1211 | /* |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1212 | * This method does not check that stacked interfaces are equal, because |
| 1213 | * stacked interfaces are not so much a property of the link as a |
| 1214 | * description of connections between links. |
| 1215 | */ |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 1216 | return isIdenticalInterfaceName(target) |
| 1217 | && isIdenticalAddresses(target) |
| 1218 | && isIdenticalDnses(target) |
| 1219 | && isIdenticalPrivateDns(target) |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1220 | && isIdenticalValidatedPrivateDnses(target) |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 1221 | && isIdenticalRoutes(target) |
| 1222 | && isIdenticalHttpProxy(target) |
| 1223 | && isIdenticalStackedLinks(target) |
| 1224 | && isIdenticalMtu(target) |
| 1225 | && isIdenticalTcpBufferSizes(target); |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1226 | } |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1227 | |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1228 | /** |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 1229 | * Compares the addresses in this LinkProperties with another |
| 1230 | * LinkProperties, examining only addresses on the base link. |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1231 | * |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 1232 | * @param target a LinkProperties with the new list of addresses |
| 1233 | * @return the differences between the addresses. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1234 | * @hide |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1235 | */ |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1236 | public CompareResult<LinkAddress> compareAddresses(LinkProperties target) { |
Wink Saville | e822225 | 2011-07-13 13:44:13 -0700 | [diff] [blame] | 1237 | /* |
| 1238 | * Duplicate the LinkAddresses into removed, we will be removing |
| 1239 | * address which are common between mLinkAddresses and target |
| 1240 | * leaving the addresses that are different. And address which |
| 1241 | * are in target but not in mLinkAddresses are placed in the |
| 1242 | * addedAddresses. |
| 1243 | */ |
Rubin Xu | 2fc72f7 | 2017-08-22 16:35:52 +0100 | [diff] [blame] | 1244 | return new CompareResult<>(mLinkAddresses, |
| 1245 | target != null ? target.getLinkAddresses() : null); |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1246 | } |
| 1247 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1248 | /** |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 1249 | * Compares the DNS addresses in this LinkProperties with another |
| 1250 | * LinkProperties, examining only DNS addresses on the base link. |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1251 | * |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 1252 | * @param target a LinkProperties with the new list of dns addresses |
| 1253 | * @return the differences between the DNS addresses. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1254 | * @hide |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1255 | */ |
| 1256 | public CompareResult<InetAddress> compareDnses(LinkProperties target) { |
| 1257 | /* |
| 1258 | * Duplicate the InetAddresses into removed, we will be removing |
| 1259 | * dns address which are common between mDnses and target |
| 1260 | * leaving the addresses that are different. And dns address which |
| 1261 | * are in target but not in mDnses are placed in the |
| 1262 | * addedAddresses. |
| 1263 | */ |
Rubin Xu | 2fc72f7 | 2017-08-22 16:35:52 +0100 | [diff] [blame] | 1264 | return new CompareResult<>(mDnses, target != null ? target.getDnsServers() : null); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1265 | } |
| 1266 | |
| 1267 | /** |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1268 | * Compares the validated private DNS addresses in this LinkProperties with another |
| 1269 | * LinkProperties. |
| 1270 | * |
| 1271 | * @param target a LinkProperties with the new list of validated private dns addresses |
| 1272 | * @return the differences between the DNS addresses. |
| 1273 | * @hide |
| 1274 | */ |
| 1275 | public CompareResult<InetAddress> compareValidatedPrivateDnses(LinkProperties target) { |
| 1276 | return new CompareResult<>(mValidatedPrivateDnses, |
| 1277 | target != null ? target.getValidatedPrivateDnsServers() : null); |
| 1278 | } |
| 1279 | |
| 1280 | /** |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 1281 | * Compares all routes in this LinkProperties with another LinkProperties, |
| 1282 | * examining both the the base link and all stacked links. |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1283 | * |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 1284 | * @param target a LinkProperties with the new list of routes |
| 1285 | * @return the differences between the routes. |
Robert Greenwalt | 4f05d55 | 2014-05-18 22:01:38 -0700 | [diff] [blame] | 1286 | * @hide |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1287 | */ |
Lorenzo Colitti | d1e0fae | 2013-07-31 23:23:21 +0900 | [diff] [blame] | 1288 | public CompareResult<RouteInfo> compareAllRoutes(LinkProperties target) { |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1289 | /* |
| 1290 | * Duplicate the RouteInfos into removed, we will be removing |
Lorenzo Colitti | 1994bc1 | 2013-03-08 19:11:40 -0800 | [diff] [blame] | 1291 | * routes which are common between mRoutes and target |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1292 | * leaving the routes that are different. And route address which |
| 1293 | * are in target but not in mRoutes are placed in added. |
| 1294 | */ |
Rubin Xu | 2fc72f7 | 2017-08-22 16:35:52 +0100 | [diff] [blame] | 1295 | return new CompareResult<>(getAllRoutes(), target != null ? target.getAllRoutes() : null); |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1296 | } |
| 1297 | |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 1298 | /** |
| 1299 | * Compares all interface names in this LinkProperties with another |
| 1300 | * LinkProperties, examining both the the base link and all stacked links. |
| 1301 | * |
| 1302 | * @param target a LinkProperties with the new list of interface names |
| 1303 | * @return the differences between the interface names. |
| 1304 | * @hide |
| 1305 | */ |
| 1306 | public CompareResult<String> compareAllInterfaceNames(LinkProperties target) { |
| 1307 | /* |
| 1308 | * Duplicate the interface names into removed, we will be removing |
| 1309 | * interface names which are common between this and target |
| 1310 | * leaving the interface names that are different. And interface names which |
| 1311 | * are in target but not in this are placed in added. |
| 1312 | */ |
Rubin Xu | 2fc72f7 | 2017-08-22 16:35:52 +0100 | [diff] [blame] | 1313 | return new CompareResult<>(getAllInterfaceNames(), |
| 1314 | target != null ? target.getAllInterfaceNames() : null); |
Paul Jensen | 992f252 | 2014-04-28 10:33:11 -0400 | [diff] [blame] | 1315 | } |
| 1316 | |
Robert Greenwalt | 0a46db5 | 2011-07-14 14:28:05 -0700 | [diff] [blame] | 1317 | |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1318 | /** |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1319 | * Generate hashcode based on significant fields |
| 1320 | * |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1321 | * Equal objects must produce the same hash code, while unequal objects |
| 1322 | * may have the same hash codes. |
| 1323 | */ |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1324 | @Override |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1325 | public int hashCode() { |
| 1326 | return ((null == mIfaceName) ? 0 : mIfaceName.hashCode() |
| 1327 | + mLinkAddresses.size() * 31 |
| 1328 | + mDnses.size() * 37 |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1329 | + mValidatedPrivateDnses.size() * 61 |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 1330 | + ((null == mDomains) ? 0 : mDomains.hashCode()) |
Robert Greenwalt | aa70f10 | 2011-04-28 14:28:50 -0700 | [diff] [blame] | 1331 | + mRoutes.size() * 41 |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 1332 | + ((null == mHttpProxy) ? 0 : mHttpProxy.hashCode()) |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1333 | + mStackedLinks.hashCode() * 47) |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1334 | + mMtu * 51 |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 1335 | + ((null == mTcpBufferSizes) ? 0 : mTcpBufferSizes.hashCode()) |
| 1336 | + (mUsePrivateDns ? 57 : 0) |
| 1337 | + ((null == mPrivateDnsServerName) ? 0 : mPrivateDnsServerName.hashCode()); |
John Wang | 4e90009 | 2011-04-04 12:35:42 -0700 | [diff] [blame] | 1338 | } |
| 1339 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1340 | /** |
| 1341 | * Implement the Parcelable interface. |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1342 | */ |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1343 | public void writeToParcel(Parcel dest, int flags) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1344 | dest.writeString(getInterfaceName()); |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 1345 | dest.writeInt(mLinkAddresses.size()); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1346 | for (LinkAddress linkAddress : mLinkAddresses) { |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 1347 | dest.writeParcelable(linkAddress, flags); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1348 | } |
Irfan Sheriff | ed5d7d1 | 2010-10-01 16:08:28 -0700 | [diff] [blame] | 1349 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1350 | dest.writeInt(mDnses.size()); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1351 | for (InetAddress d : mDnses) { |
| 1352 | dest.writeByteArray(d.getAddress()); |
| 1353 | } |
| 1354 | dest.writeInt(mValidatedPrivateDnses.size()); |
| 1355 | for (InetAddress d : mValidatedPrivateDnses) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1356 | dest.writeByteArray(d.getAddress()); |
| 1357 | } |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 1358 | dest.writeBoolean(mUsePrivateDns); |
| 1359 | dest.writeString(mPrivateDnsServerName); |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 1360 | dest.writeString(mDomains); |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1361 | dest.writeInt(mMtu); |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1362 | dest.writeString(mTcpBufferSizes); |
Robert Greenwalt | aa70f10 | 2011-04-28 14:28:50 -0700 | [diff] [blame] | 1363 | dest.writeInt(mRoutes.size()); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1364 | for (RouteInfo route : mRoutes) { |
Robert Greenwalt | aa70f10 | 2011-04-28 14:28:50 -0700 | [diff] [blame] | 1365 | dest.writeParcelable(route, flags); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1366 | } |
Robert Greenwalt | 992564e | 2011-02-09 13:56:06 -0800 | [diff] [blame] | 1367 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1368 | if (mHttpProxy != null) { |
| 1369 | dest.writeByte((byte)1); |
| 1370 | dest.writeParcelable(mHttpProxy, flags); |
| 1371 | } else { |
| 1372 | dest.writeByte((byte)0); |
| 1373 | } |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1374 | ArrayList<LinkProperties> stackedLinks = new ArrayList<>(mStackedLinks.values()); |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 1375 | dest.writeList(stackedLinks); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1376 | } |
| 1377 | |
| 1378 | /** |
| 1379 | * Implement the Parcelable interface. |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1380 | */ |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1381 | public static final Creator<LinkProperties> CREATOR = |
| 1382 | new Creator<LinkProperties>() { |
| 1383 | public LinkProperties createFromParcel(Parcel in) { |
| 1384 | LinkProperties netProp = new LinkProperties(); |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 1385 | |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1386 | String iface = in.readString(); |
| 1387 | if (iface != null) { |
Robert Greenwalt | 4717c26 | 2012-10-31 14:32:53 -0700 | [diff] [blame] | 1388 | netProp.setInterfaceName(iface); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1389 | } |
| 1390 | int addressCount = in.readInt(); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1391 | for (int i = 0; i < addressCount; i++) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1392 | netProp.addLinkAddress(in.readParcelable(null)); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1393 | } |
| 1394 | addressCount = in.readInt(); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1395 | for (int i = 0; i < addressCount; i++) { |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1396 | try { |
Robert Greenwalt | df2b878 | 2014-06-06 10:30:11 -0700 | [diff] [blame] | 1397 | netProp.addDnsServer(InetAddress.getByAddress(in.createByteArray())); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1398 | } catch (UnknownHostException e) { } |
| 1399 | } |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1400 | addressCount = in.readInt(); |
| 1401 | for (int i = 0; i < addressCount; i++) { |
| 1402 | try { |
| 1403 | netProp.addValidatedPrivateDnsServer( |
| 1404 | InetAddress.getByAddress(in.createByteArray())); |
| 1405 | } catch (UnknownHostException e) { } |
| 1406 | } |
dalyk | d920134 | 2018-01-17 14:20:55 -0500 | [diff] [blame] | 1407 | netProp.setUsePrivateDns(in.readBoolean()); |
| 1408 | netProp.setPrivateDnsServerName(in.readString()); |
Robert Greenwalt | 8058f62 | 2012-11-09 10:52:27 -0800 | [diff] [blame] | 1409 | netProp.setDomains(in.readString()); |
sy.yun | 9d9b74a | 2013-09-02 05:24:09 +0900 | [diff] [blame] | 1410 | netProp.setMtu(in.readInt()); |
Robert Greenwalt | 3f05bf4 | 2014-08-06 12:00:25 -0700 | [diff] [blame] | 1411 | netProp.setTcpBufferSizes(in.readString()); |
Robert Greenwalt | 992564e | 2011-02-09 13:56:06 -0800 | [diff] [blame] | 1412 | addressCount = in.readInt(); |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1413 | for (int i = 0; i < addressCount; i++) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1414 | netProp.addRoute(in.readParcelable(null)); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1415 | } |
| 1416 | if (in.readByte() == 1) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1417 | netProp.setHttpProxy(in.readParcelable(null)); |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1418 | } |
Lorenzo Colitti | 419a4ce | 2013-03-07 10:59:25 -0800 | [diff] [blame] | 1419 | ArrayList<LinkProperties> stackedLinks = new ArrayList<LinkProperties>(); |
| 1420 | in.readList(stackedLinks, LinkProperties.class.getClassLoader()); |
| 1421 | for (LinkProperties stackedLink: stackedLinks) { |
| 1422 | netProp.addStackedLink(stackedLink); |
| 1423 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1424 | return netProp; |
| 1425 | } |
| 1426 | |
Robert Greenwalt | 37e65eb | 2010-08-30 10:56:47 -0700 | [diff] [blame] | 1427 | public LinkProperties[] newArray(int size) { |
| 1428 | return new LinkProperties[size]; |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1429 | } |
| 1430 | }; |
w19976 | 15afd81 | 2014-08-05 15:18:11 -0700 | [diff] [blame] | 1431 | |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1432 | /** |
| 1433 | * Check the valid MTU range based on IPv4 or IPv6. |
| 1434 | * @hide |
| 1435 | */ |
| 1436 | public static boolean isValidMtu(int mtu, boolean ipv6) { |
| 1437 | if (ipv6) { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1438 | return mtu >= MIN_MTU_V6 && mtu <= MAX_MTU; |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1439 | } else { |
Chalard Jean | b8cfa1d | 2018-06-07 13:27:00 +0900 | [diff] [blame] | 1440 | return mtu >= MIN_MTU && mtu <= MAX_MTU; |
w19976 | 15afd81 | 2014-08-05 15:18:11 -0700 | [diff] [blame] | 1441 | } |
Chalard Jean | 03dbf6b | 2018-04-11 16:36:41 +0900 | [diff] [blame] | 1442 | } |
Robert Greenwalt | 47f69fe | 2010-06-15 15:43:39 -0700 | [diff] [blame] | 1443 | } |