Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 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 com.android.server; |
| 18 | |
| 19 | import android.content.Context; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 20 | import android.content.ContentResolver; |
| 21 | import android.content.Intent; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 22 | import android.content.pm.PackageManager; |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 23 | import android.database.ContentObserver; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 24 | import android.net.nsd.NsdServiceInfo; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 25 | import android.net.nsd.DnsSdTxtRecord; |
| 26 | import android.net.nsd.INsdManager; |
| 27 | import android.net.nsd.NsdManager; |
| 28 | import android.os.Binder; |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 29 | import android.os.HandlerThread; |
| 30 | import android.os.Handler; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 31 | import android.os.Message; |
| 32 | import android.os.Messenger; |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 33 | import android.os.UserHandle; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 34 | import android.provider.Settings; |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 35 | import android.util.Base64; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 36 | import android.util.Slog; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 37 | import android.util.SparseArray; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 38 | |
| 39 | import java.io.FileDescriptor; |
| 40 | import java.io.PrintWriter; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 41 | import java.net.InetAddress; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 42 | import java.util.HashMap; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 43 | import java.util.concurrent.CountDownLatch; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 44 | |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 45 | import com.android.internal.annotations.VisibleForTesting; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 46 | import com.android.internal.util.AsyncChannel; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 47 | import com.android.internal.util.Protocol; |
| 48 | import com.android.internal.util.State; |
| 49 | import com.android.internal.util.StateMachine; |
Christopher Lane | 771cd65 | 2014-04-14 16:31:27 -0700 | [diff] [blame] | 50 | import com.android.server.NativeDaemonConnector.Command; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 51 | |
| 52 | /** |
| 53 | * Network Service Discovery Service handles remote service discovery operation requests by |
| 54 | * implementing the INsdManager interface. |
| 55 | * |
| 56 | * @hide |
| 57 | */ |
| 58 | public class NsdService extends INsdManager.Stub { |
| 59 | private static final String TAG = "NsdService"; |
| 60 | private static final String MDNS_TAG = "mDnsConnector"; |
| 61 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 62 | private static final boolean DBG = true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 63 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 64 | private final Context mContext; |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 65 | private final NsdSettings mNsdSettings; |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 66 | private final NsdStateMachine mNsdStateMachine; |
| 67 | private final NativeDaemonConnector mNativeConnector; |
| 68 | private final CountDownLatch mNativeDaemonConnected = new CountDownLatch(1); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 69 | |
| 70 | /** |
| 71 | * Clients receiving asynchronous messages |
| 72 | */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 73 | private final HashMap<Messenger, ClientInfo> mClients = new HashMap<>(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 74 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 75 | /* A map from unique id to client info */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 76 | private final SparseArray<ClientInfo> mIdToClientInfoMap= new SparseArray<>(); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 77 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 78 | private final AsyncChannel mReplyChannel = new AsyncChannel(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 79 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 80 | private static final int INVALID_ID = 0; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 81 | private int mUniqueId = 1; |
| 82 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 83 | private class NsdStateMachine extends StateMachine { |
| 84 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 85 | private final DefaultState mDefaultState = new DefaultState(); |
| 86 | private final DisabledState mDisabledState = new DisabledState(); |
| 87 | private final EnabledState mEnabledState = new EnabledState(); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 88 | |
| 89 | @Override |
Wink Saville | bbf30dfd | 2012-05-29 12:40:46 -0700 | [diff] [blame] | 90 | protected String getWhatToString(int what) { |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 91 | return NsdManager.nameOf(what); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 92 | } |
| 93 | |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 94 | /** |
| 95 | * Observes the NSD on/off setting, and takes action when changed. |
| 96 | */ |
| 97 | private void registerForNsdSetting() { |
| 98 | ContentObserver contentObserver = new ContentObserver(this.getHandler()) { |
| 99 | @Override |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 100 | public void onChange(boolean selfChange) { |
| 101 | if (isNsdEnabled()) { |
| 102 | mNsdStateMachine.sendMessage(NsdManager.ENABLE); |
| 103 | } else { |
| 104 | mNsdStateMachine.sendMessage(NsdManager.DISABLE); |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 105 | } |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 106 | } |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 107 | }; |
| 108 | |
| 109 | mContext.getContentResolver().registerContentObserver( |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 110 | Settings.Global.getUriFor(Settings.Global.NSD_ON), |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 111 | false, contentObserver); |
| 112 | } |
| 113 | |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 114 | NsdStateMachine(String name, Handler handler) { |
| 115 | super(name, handler); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 116 | addState(mDefaultState); |
| 117 | addState(mDisabledState, mDefaultState); |
| 118 | addState(mEnabledState, mDefaultState); |
| 119 | if (isNsdEnabled()) { |
| 120 | setInitialState(mEnabledState); |
| 121 | } else { |
| 122 | setInitialState(mDisabledState); |
| 123 | } |
Wink Saville | bbf30dfd | 2012-05-29 12:40:46 -0700 | [diff] [blame] | 124 | setLogRecSize(25); |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 125 | registerForNsdSetting(); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | class DefaultState extends State { |
| 129 | @Override |
| 130 | public boolean processMessage(Message msg) { |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 131 | ClientInfo cInfo = null; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 132 | switch (msg.what) { |
| 133 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: |
| 134 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| 135 | AsyncChannel c = (AsyncChannel) msg.obj; |
| 136 | if (DBG) Slog.d(TAG, "New client listening to asynchronous messages"); |
| 137 | c.sendMessage(AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 138 | cInfo = new ClientInfo(c, msg.replyTo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 139 | mClients.put(msg.replyTo, cInfo); |
| 140 | } else { |
| 141 | Slog.e(TAG, "Client connection failure, error=" + msg.arg1); |
| 142 | } |
| 143 | break; |
| 144 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 145 | switch (msg.arg1) { |
| 146 | case AsyncChannel.STATUS_SEND_UNSUCCESSFUL: |
| 147 | Slog.e(TAG, "Send failed, client connection lost"); |
| 148 | break; |
| 149 | case AsyncChannel.STATUS_REMOTE_DISCONNECTION: |
| 150 | if (DBG) Slog.d(TAG, "Client disconnected"); |
| 151 | break; |
| 152 | default: |
| 153 | if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); |
| 154 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 155 | } |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 156 | cInfo = mClients.get(msg.replyTo); |
| 157 | if (cInfo != null) { |
| 158 | cInfo.expungeAllRequests(); |
| 159 | mClients.remove(msg.replyTo); |
| 160 | } |
| 161 | //Last client |
| 162 | if (mClients.size() == 0) { |
| 163 | stopMDnsDaemon(); |
| 164 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 165 | break; |
| 166 | case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: |
| 167 | AsyncChannel ac = new AsyncChannel(); |
| 168 | ac.connect(mContext, getHandler(), msg.replyTo); |
| 169 | break; |
| 170 | case NsdManager.DISCOVER_SERVICES: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 171 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 172 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 173 | break; |
| 174 | case NsdManager.STOP_DISCOVERY: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 175 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 176 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 177 | break; |
| 178 | case NsdManager.REGISTER_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 179 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 180 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 181 | break; |
| 182 | case NsdManager.UNREGISTER_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 183 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 184 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 185 | break; |
| 186 | case NsdManager.RESOLVE_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 187 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 188 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 189 | break; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 190 | case NsdManager.NATIVE_DAEMON_EVENT: |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 191 | default: |
| 192 | Slog.e(TAG, "Unhandled " + msg); |
| 193 | return NOT_HANDLED; |
| 194 | } |
| 195 | return HANDLED; |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | class DisabledState extends State { |
| 200 | @Override |
| 201 | public void enter() { |
| 202 | sendNsdStateChangeBroadcast(false); |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public boolean processMessage(Message msg) { |
| 207 | switch (msg.what) { |
| 208 | case NsdManager.ENABLE: |
| 209 | transitionTo(mEnabledState); |
| 210 | break; |
| 211 | default: |
| 212 | return NOT_HANDLED; |
| 213 | } |
| 214 | return HANDLED; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | class EnabledState extends State { |
| 219 | @Override |
| 220 | public void enter() { |
| 221 | sendNsdStateChangeBroadcast(true); |
| 222 | if (mClients.size() > 0) { |
| 223 | startMDnsDaemon(); |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | @Override |
| 228 | public void exit() { |
| 229 | if (mClients.size() > 0) { |
| 230 | stopMDnsDaemon(); |
| 231 | } |
| 232 | } |
| 233 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 234 | private boolean requestLimitReached(ClientInfo clientInfo) { |
| 235 | if (clientInfo.mClientIds.size() >= ClientInfo.MAX_LIMIT) { |
| 236 | if (DBG) Slog.d(TAG, "Exceeded max outstanding requests " + clientInfo); |
| 237 | return true; |
| 238 | } |
| 239 | return false; |
| 240 | } |
| 241 | |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 242 | private void storeRequestMap(int clientId, int globalId, ClientInfo clientInfo, int what) { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 243 | clientInfo.mClientIds.put(clientId, globalId); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 244 | clientInfo.mClientRequests.put(clientId, what); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 245 | mIdToClientInfoMap.put(globalId, clientInfo); |
| 246 | } |
| 247 | |
| 248 | private void removeRequestMap(int clientId, int globalId, ClientInfo clientInfo) { |
| 249 | clientInfo.mClientIds.remove(clientId); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 250 | clientInfo.mClientRequests.remove(clientId); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 251 | mIdToClientInfoMap.remove(globalId); |
| 252 | } |
| 253 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 254 | @Override |
| 255 | public boolean processMessage(Message msg) { |
| 256 | ClientInfo clientInfo; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 257 | NsdServiceInfo servInfo; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 258 | int id; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 259 | switch (msg.what) { |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 260 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 261 | //First client |
| 262 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL && |
| 263 | mClients.size() == 0) { |
| 264 | startMDnsDaemon(); |
| 265 | } |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 266 | return NOT_HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 267 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 268 | return NOT_HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 269 | case NsdManager.DISABLE: |
| 270 | //TODO: cleanup clients |
| 271 | transitionTo(mDisabledState); |
| 272 | break; |
| 273 | case NsdManager.DISCOVER_SERVICES: |
| 274 | if (DBG) Slog.d(TAG, "Discover services"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 275 | servInfo = (NsdServiceInfo) msg.obj; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 276 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 277 | |
| 278 | if (requestLimitReached(clientInfo)) { |
| 279 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 280 | NsdManager.FAILURE_MAX_LIMIT); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 281 | break; |
| 282 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 283 | |
| 284 | id = getUniqueId(); |
| 285 | if (discoverServices(id, servInfo.getServiceType())) { |
| 286 | if (DBG) { |
| 287 | Slog.d(TAG, "Discover " + msg.arg2 + " " + id + |
| 288 | servInfo.getServiceType()); |
| 289 | } |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 290 | storeRequestMap(msg.arg2, id, clientInfo, msg.what); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 291 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_STARTED, servInfo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 292 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 293 | stopServiceDiscovery(id); |
| 294 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 295 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 296 | } |
| 297 | break; |
| 298 | case NsdManager.STOP_DISCOVERY: |
| 299 | if (DBG) Slog.d(TAG, "Stop service discovery"); |
| 300 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 301 | |
| 302 | try { |
| 303 | id = clientInfo.mClientIds.get(msg.arg2).intValue(); |
| 304 | } catch (NullPointerException e) { |
| 305 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 306 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 307 | break; |
| 308 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 309 | removeRequestMap(msg.arg2, id, clientInfo); |
| 310 | if (stopServiceDiscovery(id)) { |
| 311 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_SUCCEEDED); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 312 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 313 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 314 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 315 | } |
| 316 | break; |
| 317 | case NsdManager.REGISTER_SERVICE: |
| 318 | if (DBG) Slog.d(TAG, "Register service"); |
| 319 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 320 | if (requestLimitReached(clientInfo)) { |
| 321 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 322 | NsdManager.FAILURE_MAX_LIMIT); |
| 323 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 324 | } |
| 325 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 326 | id = getUniqueId(); |
| 327 | if (registerService(id, (NsdServiceInfo) msg.obj)) { |
| 328 | if (DBG) Slog.d(TAG, "Register " + msg.arg2 + " " + id); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 329 | storeRequestMap(msg.arg2, id, clientInfo, msg.what); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 330 | // Return success after mDns reports success |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 331 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 332 | unregisterService(id); |
| 333 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 334 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 335 | } |
| 336 | break; |
| 337 | case NsdManager.UNREGISTER_SERVICE: |
| 338 | if (DBG) Slog.d(TAG, "unregister service"); |
| 339 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 340 | try { |
| 341 | id = clientInfo.mClientIds.get(msg.arg2).intValue(); |
| 342 | } catch (NullPointerException e) { |
| 343 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 344 | NsdManager.FAILURE_INTERNAL_ERROR); |
| 345 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 346 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 347 | removeRequestMap(msg.arg2, id, clientInfo); |
| 348 | if (unregisterService(id)) { |
| 349 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_SUCCEEDED); |
| 350 | } else { |
| 351 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 352 | NsdManager.FAILURE_INTERNAL_ERROR); |
| 353 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 354 | break; |
| 355 | case NsdManager.RESOLVE_SERVICE: |
| 356 | if (DBG) Slog.d(TAG, "Resolve service"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 357 | servInfo = (NsdServiceInfo) msg.obj; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 358 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 359 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 360 | |
| 361 | if (clientInfo.mResolvedService != null) { |
| 362 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 363 | NsdManager.FAILURE_ALREADY_ACTIVE); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 364 | break; |
| 365 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 366 | |
| 367 | id = getUniqueId(); |
| 368 | if (resolveService(id, servInfo)) { |
| 369 | clientInfo.mResolvedService = new NsdServiceInfo(); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 370 | storeRequestMap(msg.arg2, id, clientInfo, msg.what); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 371 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 372 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 373 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 374 | } |
| 375 | break; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 376 | case NsdManager.NATIVE_DAEMON_EVENT: |
| 377 | NativeEvent event = (NativeEvent) msg.obj; |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 378 | if (!handleNativeEvent(event.code, event.raw, event.cooked)) { |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 379 | return NOT_HANDLED; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 380 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 381 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 382 | default: |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 383 | return NOT_HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 384 | } |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 385 | return HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 386 | } |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 387 | |
| 388 | private boolean handleNativeEvent(int code, String raw, String[] cooked) { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 389 | NsdServiceInfo servInfo; |
| 390 | int id = Integer.parseInt(cooked[1]); |
| 391 | ClientInfo clientInfo = mIdToClientInfoMap.get(id); |
| 392 | if (clientInfo == null) { |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 393 | String name = NativeResponseCode.nameOf(code); |
| 394 | Slog.e(TAG, String.format("id %d for %s has no client mapping", id, name)); |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 395 | return false; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | /* This goes in response as msg.arg2 */ |
Christopher Lane | 5a57790 | 2014-04-25 18:39:07 -0700 | [diff] [blame] | 399 | int clientId = clientInfo.getClientId(id); |
| 400 | if (clientId < 0) { |
Vinit Deshapnde | 8ed09e8 | 2013-06-25 19:45:03 -0700 | [diff] [blame] | 401 | // This can happen because of race conditions. For example, |
| 402 | // SERVICE_FOUND may race with STOP_SERVICE_DISCOVERY, |
| 403 | // and we may get in this situation. |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 404 | String name = NativeResponseCode.nameOf(code); |
| 405 | Slog.d(TAG, String.format( |
| 406 | "Notification %s for listener id %d that is no longer active", |
| 407 | name, id)); |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 408 | return false; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 409 | } |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 410 | if (DBG) { |
| 411 | String name = NativeResponseCode.nameOf(code); |
| 412 | Slog.d(TAG, String.format("Native daemon message %s: %s", name, raw)); |
| 413 | } |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 414 | switch (code) { |
| 415 | case NativeResponseCode.SERVICE_FOUND: |
| 416 | /* NNN uniqueId serviceName regType domain */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 417 | servInfo = new NsdServiceInfo(cooked[2], cooked[3]); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 418 | clientInfo.mChannel.sendMessage(NsdManager.SERVICE_FOUND, 0, |
| 419 | clientId, servInfo); |
| 420 | break; |
| 421 | case NativeResponseCode.SERVICE_LOST: |
| 422 | /* NNN uniqueId serviceName regType domain */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 423 | servInfo = new NsdServiceInfo(cooked[2], cooked[3]); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 424 | clientInfo.mChannel.sendMessage(NsdManager.SERVICE_LOST, 0, |
| 425 | clientId, servInfo); |
| 426 | break; |
| 427 | case NativeResponseCode.SERVICE_DISCOVERY_FAILED: |
| 428 | /* NNN uniqueId errorCode */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 429 | clientInfo.mChannel.sendMessage(NsdManager.DISCOVER_SERVICES_FAILED, |
| 430 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 431 | break; |
| 432 | case NativeResponseCode.SERVICE_REGISTERED: |
| 433 | /* NNN regId serviceName regType */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 434 | servInfo = new NsdServiceInfo(cooked[2], null); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 435 | clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_SUCCEEDED, |
| 436 | id, clientId, servInfo); |
| 437 | break; |
| 438 | case NativeResponseCode.SERVICE_REGISTRATION_FAILED: |
| 439 | /* NNN regId errorCode */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 440 | clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_FAILED, |
| 441 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 442 | break; |
| 443 | case NativeResponseCode.SERVICE_UPDATED: |
| 444 | /* NNN regId */ |
| 445 | break; |
| 446 | case NativeResponseCode.SERVICE_UPDATE_FAILED: |
| 447 | /* NNN regId errorCode */ |
| 448 | break; |
| 449 | case NativeResponseCode.SERVICE_RESOLVED: |
| 450 | /* NNN resolveId fullName hostName port txtlen txtdata */ |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 451 | int index = 0; |
| 452 | while (index < cooked[2].length() && cooked[2].charAt(index) != '.') { |
| 453 | if (cooked[2].charAt(index) == '\\') { |
| 454 | ++index; |
| 455 | } |
| 456 | ++index; |
| 457 | } |
| 458 | if (index >= cooked[2].length()) { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 459 | Slog.e(TAG, "Invalid service found " + raw); |
| 460 | break; |
| 461 | } |
| 462 | String name = cooked[2].substring(0, index); |
| 463 | String rest = cooked[2].substring(index); |
| 464 | String type = rest.replace(".local.", ""); |
| 465 | |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 466 | name = unescape(name); |
| 467 | |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 468 | clientInfo.mResolvedService.setServiceName(name); |
| 469 | clientInfo.mResolvedService.setServiceType(type); |
| 470 | clientInfo.mResolvedService.setPort(Integer.parseInt(cooked[4])); |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 471 | clientInfo.mResolvedService.setTxtRecords(cooked[6]); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 472 | |
| 473 | stopResolveService(id); |
Vinit Deshapnde | 4038724 | 2013-11-12 15:36:37 -0800 | [diff] [blame] | 474 | removeRequestMap(clientId, id, clientInfo); |
| 475 | |
| 476 | int id2 = getUniqueId(); |
| 477 | if (getAddrInfo(id2, cooked[3])) { |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 478 | storeRequestMap(clientId, id2, clientInfo, NsdManager.RESOLVE_SERVICE); |
Vinit Deshapnde | 4038724 | 2013-11-12 15:36:37 -0800 | [diff] [blame] | 479 | } else { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 480 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 481 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 482 | clientInfo.mResolvedService = null; |
| 483 | } |
| 484 | break; |
| 485 | case NativeResponseCode.SERVICE_RESOLUTION_FAILED: |
| 486 | /* NNN resolveId errorCode */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 487 | stopResolveService(id); |
| 488 | removeRequestMap(clientId, id, clientInfo); |
| 489 | clientInfo.mResolvedService = null; |
| 490 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 491 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 492 | break; |
| 493 | case NativeResponseCode.SERVICE_GET_ADDR_FAILED: |
| 494 | /* NNN resolveId errorCode */ |
| 495 | stopGetAddrInfo(id); |
| 496 | removeRequestMap(clientId, id, clientInfo); |
| 497 | clientInfo.mResolvedService = null; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 498 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 499 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 500 | break; |
| 501 | case NativeResponseCode.SERVICE_GET_ADDR_SUCCESS: |
| 502 | /* NNN resolveId hostname ttl addr */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 503 | try { |
| 504 | clientInfo.mResolvedService.setHost(InetAddress.getByName(cooked[4])); |
| 505 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_SUCCEEDED, |
| 506 | 0, clientId, clientInfo.mResolvedService); |
| 507 | } catch (java.net.UnknownHostException e) { |
| 508 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 509 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 510 | } |
| 511 | stopGetAddrInfo(id); |
| 512 | removeRequestMap(clientId, id, clientInfo); |
| 513 | clientInfo.mResolvedService = null; |
| 514 | break; |
| 515 | default: |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 516 | return false; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 517 | } |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame] | 518 | return true; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 519 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 520 | } |
| 521 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 522 | |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 523 | private String unescape(String s) { |
| 524 | StringBuilder sb = new StringBuilder(s.length()); |
| 525 | for (int i = 0; i < s.length(); ++i) { |
| 526 | char c = s.charAt(i); |
| 527 | if (c == '\\') { |
| 528 | if (++i >= s.length()) { |
| 529 | Slog.e(TAG, "Unexpected end of escape sequence in: " + s); |
| 530 | break; |
| 531 | } |
| 532 | c = s.charAt(i); |
| 533 | if (c != '.' && c != '\\') { |
| 534 | if (i + 2 >= s.length()) { |
| 535 | Slog.e(TAG, "Unexpected end of escape sequence in: " + s); |
| 536 | break; |
| 537 | } |
| 538 | c = (char) ((c-'0') * 100 + (s.charAt(i+1)-'0') * 10 + (s.charAt(i+2)-'0')); |
| 539 | i += 2; |
| 540 | } |
| 541 | } |
| 542 | sb.append(c); |
| 543 | } |
| 544 | return sb.toString(); |
| 545 | } |
| 546 | |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 547 | @VisibleForTesting |
| 548 | NsdService(Context ctx, NsdSettings settings, Handler handler) { |
| 549 | mContext = ctx; |
| 550 | mNsdSettings = settings; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 551 | |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 552 | NativeCallbackReceiver callback = new NativeCallbackReceiver(); |
| 553 | mNativeConnector = new NativeDaemonConnector(callback, "mdns", 10, MDNS_TAG, 25, null); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 554 | |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 555 | mNsdStateMachine = new NsdStateMachine(TAG, handler); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 556 | mNsdStateMachine.start(); |
| 557 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 558 | Thread th = new Thread(mNativeConnector, MDNS_TAG); |
| 559 | th.start(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | public static NsdService create(Context context) throws InterruptedException { |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 563 | NsdSettings settings = NsdSettings.makeDefault(context); |
| 564 | HandlerThread thread = new HandlerThread(TAG); |
| 565 | thread.start(); |
| 566 | Handler handler = new Handler(thread.getLooper()); |
| 567 | NsdService service = new NsdService(context, settings, handler); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 568 | service.mNativeDaemonConnected.await(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 569 | return service; |
| 570 | } |
| 571 | |
| 572 | public Messenger getMessenger() { |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 573 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INTERNET, "NsdService"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 574 | return new Messenger(mNsdStateMachine.getHandler()); |
| 575 | } |
| 576 | |
| 577 | public void setEnabled(boolean enable) { |
| 578 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 579 | "NsdService"); |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 580 | mNsdSettings.putEnabledStatus(enable); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 581 | if (enable) { |
| 582 | mNsdStateMachine.sendMessage(NsdManager.ENABLE); |
| 583 | } else { |
| 584 | mNsdStateMachine.sendMessage(NsdManager.DISABLE); |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | private void sendNsdStateChangeBroadcast(boolean enabled) { |
Irfan Sheriff | 54ac7a5 | 2012-04-19 10:26:34 -0700 | [diff] [blame] | 589 | final Intent intent = new Intent(NsdManager.ACTION_NSD_STATE_CHANGED); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 590 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 591 | if (enabled) { |
| 592 | intent.putExtra(NsdManager.EXTRA_NSD_STATE, NsdManager.NSD_STATE_ENABLED); |
| 593 | } else { |
| 594 | intent.putExtra(NsdManager.EXTRA_NSD_STATE, NsdManager.NSD_STATE_DISABLED); |
| 595 | } |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 596 | mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 597 | } |
| 598 | |
| 599 | private boolean isNsdEnabled() { |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 600 | boolean ret = mNsdSettings.isEnabled(); |
| 601 | if (DBG) { |
| 602 | Slog.d(TAG, "Network service discovery is " + (ret ? "enabled" : "disabled")); |
| 603 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 604 | return ret; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 605 | } |
| 606 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 607 | private int getUniqueId() { |
| 608 | if (++mUniqueId == INVALID_ID) return ++mUniqueId; |
| 609 | return mUniqueId; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 610 | } |
| 611 | |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 612 | /* These should be in sync with system/netd/server/ResponseCode.h */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 613 | static final class NativeResponseCode { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 614 | public static final int SERVICE_DISCOVERY_FAILED = 602; |
| 615 | public static final int SERVICE_FOUND = 603; |
| 616 | public static final int SERVICE_LOST = 604; |
| 617 | |
| 618 | public static final int SERVICE_REGISTRATION_FAILED = 605; |
| 619 | public static final int SERVICE_REGISTERED = 606; |
| 620 | |
| 621 | public static final int SERVICE_RESOLUTION_FAILED = 607; |
| 622 | public static final int SERVICE_RESOLVED = 608; |
| 623 | |
| 624 | public static final int SERVICE_UPDATED = 609; |
| 625 | public static final int SERVICE_UPDATE_FAILED = 610; |
| 626 | |
| 627 | public static final int SERVICE_GET_ADDR_FAILED = 611; |
| 628 | public static final int SERVICE_GET_ADDR_SUCCESS = 612; |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 629 | |
| 630 | private static final SparseArray<String> CODE_NAMES = new SparseArray<>(); |
| 631 | static { |
| 632 | CODE_NAMES.put(SERVICE_DISCOVERY_FAILED, "SERVICE_DISCOVERY_FAILED"); |
| 633 | CODE_NAMES.put(SERVICE_FOUND, "SERVICE_FOUND"); |
| 634 | CODE_NAMES.put(SERVICE_LOST, "SERVICE_LOST"); |
| 635 | CODE_NAMES.put(SERVICE_REGISTRATION_FAILED, "SERVICE_REGISTRATION_FAILED"); |
| 636 | CODE_NAMES.put(SERVICE_REGISTERED, "SERVICE_REGISTERED"); |
| 637 | CODE_NAMES.put(SERVICE_RESOLUTION_FAILED, "SERVICE_RESOLUTION_FAILED"); |
| 638 | CODE_NAMES.put(SERVICE_RESOLVED, "SERVICE_RESOLVED"); |
| 639 | CODE_NAMES.put(SERVICE_UPDATED, "SERVICE_UPDATED"); |
| 640 | CODE_NAMES.put(SERVICE_UPDATE_FAILED, "SERVICE_UPDATE_FAILED"); |
| 641 | CODE_NAMES.put(SERVICE_GET_ADDR_FAILED, "SERVICE_GET_ADDR_FAILED"); |
| 642 | CODE_NAMES.put(SERVICE_GET_ADDR_SUCCESS, "SERVICE_GET_ADDR_SUCCESS"); |
| 643 | } |
| 644 | |
| 645 | static String nameOf(int code) { |
| 646 | String name = CODE_NAMES.get(code); |
| 647 | if (name == null) { |
| 648 | return Integer.toString(code); |
| 649 | } |
| 650 | return name; |
| 651 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 652 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 653 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 654 | private class NativeEvent { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 655 | final int code; |
| 656 | final String raw; |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 657 | final String[] cooked; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 658 | |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 659 | NativeEvent(int code, String raw, String[] cooked) { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 660 | this.code = code; |
| 661 | this.raw = raw; |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 662 | this.cooked = cooked; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 663 | } |
| 664 | } |
| 665 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 666 | class NativeCallbackReceiver implements INativeDaemonConnectorCallbacks { |
| 667 | public void onDaemonConnected() { |
| 668 | mNativeDaemonConnected.countDown(); |
| 669 | } |
| 670 | |
Dianne Hackborn | 77b987f | 2014-02-26 16:20:52 -0800 | [diff] [blame] | 671 | public boolean onCheckHoldWakeLock(int code) { |
| 672 | return false; |
| 673 | } |
| 674 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 675 | public boolean onEvent(int code, String raw, String[] cooked) { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 676 | // TODO: NDC translates a message to a callback, we could enhance NDC to |
| 677 | // directly interact with a state machine through messages |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 678 | NativeEvent event = new NativeEvent(code, raw, cooked); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 679 | mNsdStateMachine.sendMessage(NsdManager.NATIVE_DAEMON_EVENT, event); |
| 680 | return true; |
| 681 | } |
| 682 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 683 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 684 | private boolean startMDnsDaemon() { |
| 685 | if (DBG) Slog.d(TAG, "startMDnsDaemon"); |
| 686 | try { |
| 687 | mNativeConnector.execute("mdnssd", "start-service"); |
| 688 | } catch(NativeDaemonConnectorException e) { |
| 689 | Slog.e(TAG, "Failed to start daemon" + e); |
| 690 | return false; |
| 691 | } |
| 692 | return true; |
| 693 | } |
| 694 | |
| 695 | private boolean stopMDnsDaemon() { |
| 696 | if (DBG) Slog.d(TAG, "stopMDnsDaemon"); |
| 697 | try { |
| 698 | mNativeConnector.execute("mdnssd", "stop-service"); |
| 699 | } catch(NativeDaemonConnectorException e) { |
| 700 | Slog.e(TAG, "Failed to start daemon" + e); |
| 701 | return false; |
| 702 | } |
| 703 | return true; |
| 704 | } |
| 705 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 706 | private boolean registerService(int regId, NsdServiceInfo service) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 707 | if (DBG) Slog.d(TAG, "registerService: " + regId + " " + service); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 708 | try { |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 709 | Command cmd = new Command("mdnssd", "register", regId, service.getServiceName(), |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 710 | service.getServiceType(), service.getPort(), |
| 711 | Base64.encodeToString(service.getTxtRecord(), Base64.DEFAULT) |
| 712 | .replace("\n", "")); |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 713 | |
| 714 | mNativeConnector.execute(cmd); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 715 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 716 | Slog.e(TAG, "Failed to execute registerService " + e); |
| 717 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 718 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 719 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 720 | } |
| 721 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 722 | private boolean unregisterService(int regId) { |
| 723 | if (DBG) Slog.d(TAG, "unregisterService: " + regId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 724 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 725 | mNativeConnector.execute("mdnssd", "stop-register", regId); |
| 726 | } catch(NativeDaemonConnectorException e) { |
| 727 | Slog.e(TAG, "Failed to execute unregisterService " + e); |
| 728 | return false; |
| 729 | } |
| 730 | return true; |
| 731 | } |
| 732 | |
| 733 | private boolean updateService(int regId, DnsSdTxtRecord t) { |
| 734 | if (DBG) Slog.d(TAG, "updateService: " + regId + " " + t); |
| 735 | try { |
| 736 | if (t == null) return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 737 | mNativeConnector.execute("mdnssd", "update", regId, t.size(), t.getRawData()); |
| 738 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 739 | Slog.e(TAG, "Failed to updateServices " + e); |
| 740 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 741 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 742 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 743 | } |
| 744 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 745 | private boolean discoverServices(int discoveryId, String serviceType) { |
| 746 | if (DBG) Slog.d(TAG, "discoverServices: " + discoveryId + " " + serviceType); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 747 | try { |
| 748 | mNativeConnector.execute("mdnssd", "discover", discoveryId, serviceType); |
| 749 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 750 | Slog.e(TAG, "Failed to discoverServices " + e); |
| 751 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 752 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 753 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 754 | } |
| 755 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 756 | private boolean stopServiceDiscovery(int discoveryId) { |
| 757 | if (DBG) Slog.d(TAG, "stopServiceDiscovery: " + discoveryId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 758 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 759 | mNativeConnector.execute("mdnssd", "stop-discover", discoveryId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 760 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 761 | Slog.e(TAG, "Failed to stopServiceDiscovery " + e); |
| 762 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 763 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 764 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 765 | } |
| 766 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 767 | private boolean resolveService(int resolveId, NsdServiceInfo service) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 768 | if (DBG) Slog.d(TAG, "resolveService: " + resolveId + " " + service); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 769 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 770 | mNativeConnector.execute("mdnssd", "resolve", resolveId, service.getServiceName(), |
| 771 | service.getServiceType(), "local."); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 772 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 773 | Slog.e(TAG, "Failed to resolveService " + e); |
| 774 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 775 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 776 | return true; |
| 777 | } |
| 778 | |
| 779 | private boolean stopResolveService(int resolveId) { |
| 780 | if (DBG) Slog.d(TAG, "stopResolveService: " + resolveId); |
| 781 | try { |
| 782 | mNativeConnector.execute("mdnssd", "stop-resolve", resolveId); |
| 783 | } catch(NativeDaemonConnectorException e) { |
| 784 | Slog.e(TAG, "Failed to stop resolve " + e); |
| 785 | return false; |
| 786 | } |
| 787 | return true; |
| 788 | } |
| 789 | |
| 790 | private boolean getAddrInfo(int resolveId, String hostname) { |
| 791 | if (DBG) Slog.d(TAG, "getAdddrInfo: " + resolveId); |
| 792 | try { |
| 793 | mNativeConnector.execute("mdnssd", "getaddrinfo", resolveId, hostname); |
| 794 | } catch(NativeDaemonConnectorException e) { |
| 795 | Slog.e(TAG, "Failed to getAddrInfo " + e); |
| 796 | return false; |
| 797 | } |
| 798 | return true; |
| 799 | } |
| 800 | |
| 801 | private boolean stopGetAddrInfo(int resolveId) { |
| 802 | if (DBG) Slog.d(TAG, "stopGetAdddrInfo: " + resolveId); |
| 803 | try { |
| 804 | mNativeConnector.execute("mdnssd", "stop-getaddrinfo", resolveId); |
| 805 | } catch(NativeDaemonConnectorException e) { |
| 806 | Slog.e(TAG, "Failed to stopGetAddrInfo " + e); |
| 807 | return false; |
| 808 | } |
| 809 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 810 | } |
| 811 | |
| 812 | @Override |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 813 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 814 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 815 | != PackageManager.PERMISSION_GRANTED) { |
| 816 | pw.println("Permission Denial: can't dump ServiceDiscoverService from from pid=" |
| 817 | + Binder.getCallingPid() |
| 818 | + ", uid=" + Binder.getCallingUid()); |
| 819 | return; |
| 820 | } |
| 821 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 822 | for (ClientInfo client : mClients.values()) { |
| 823 | pw.println("Client Info"); |
| 824 | pw.println(client); |
| 825 | } |
| 826 | |
| 827 | mNsdStateMachine.dump(fd, pw, args); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 828 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 829 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 830 | /* arg2 on the source message has an id that needs to be retained in replies |
| 831 | * see NsdManager for details */ |
| 832 | private Message obtainMessage(Message srcMsg) { |
| 833 | Message msg = Message.obtain(); |
| 834 | msg.arg2 = srcMsg.arg2; |
| 835 | return msg; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 836 | } |
| 837 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 838 | private void replyToMessage(Message msg, int what) { |
| 839 | if (msg.replyTo == null) return; |
| 840 | Message dstMsg = obtainMessage(msg); |
| 841 | dstMsg.what = what; |
| 842 | mReplyChannel.replyToMessage(msg, dstMsg); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 843 | } |
| 844 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 845 | private void replyToMessage(Message msg, int what, int arg1) { |
| 846 | if (msg.replyTo == null) return; |
| 847 | Message dstMsg = obtainMessage(msg); |
| 848 | dstMsg.what = what; |
| 849 | dstMsg.arg1 = arg1; |
| 850 | mReplyChannel.replyToMessage(msg, dstMsg); |
| 851 | } |
| 852 | |
| 853 | private void replyToMessage(Message msg, int what, Object obj) { |
| 854 | if (msg.replyTo == null) return; |
| 855 | Message dstMsg = obtainMessage(msg); |
| 856 | dstMsg.what = what; |
| 857 | dstMsg.obj = obj; |
| 858 | mReplyChannel.replyToMessage(msg, dstMsg); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 859 | } |
| 860 | |
| 861 | /* Information tracked per client */ |
| 862 | private class ClientInfo { |
| 863 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 864 | private static final int MAX_LIMIT = 10; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 865 | private final AsyncChannel mChannel; |
| 866 | private final Messenger mMessenger; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 867 | /* Remembers a resolved service until getaddrinfo completes */ |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 868 | private NsdServiceInfo mResolvedService; |
| 869 | |
| 870 | /* A map from client id to unique id sent to mDns */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 871 | private final SparseArray<Integer> mClientIds = new SparseArray<>(); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 872 | |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 873 | /* A map from client id to the type of the request we had received */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 874 | private final SparseArray<Integer> mClientRequests = new SparseArray<>(); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 875 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 876 | private ClientInfo(AsyncChannel c, Messenger m) { |
| 877 | mChannel = c; |
| 878 | mMessenger = m; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 879 | if (DBG) Slog.d(TAG, "New client, channel: " + c + " messenger: " + m); |
| 880 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 881 | |
| 882 | @Override |
| 883 | public String toString() { |
| 884 | StringBuffer sb = new StringBuffer(); |
| 885 | sb.append("mChannel ").append(mChannel).append("\n"); |
| 886 | sb.append("mMessenger ").append(mMessenger).append("\n"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 887 | sb.append("mResolvedService ").append(mResolvedService).append("\n"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 888 | for(int i = 0; i< mClientIds.size(); i++) { |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 889 | int clientID = mClientIds.keyAt(i); |
| 890 | sb.append("clientId ").append(clientID). |
| 891 | append(" mDnsId ").append(mClientIds.valueAt(i)). |
| 892 | append(" type ").append(mClientRequests.get(clientID)).append("\n"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 893 | } |
| 894 | return sb.toString(); |
| 895 | } |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 896 | |
| 897 | // Remove any pending requests from the global map when we get rid of a client, |
| 898 | // and send cancellations to the daemon. |
| 899 | private void expungeAllRequests() { |
| 900 | int globalId, clientId, i; |
| 901 | for (i = 0; i < mClientIds.size(); i++) { |
| 902 | clientId = mClientIds.keyAt(i); |
| 903 | globalId = mClientIds.valueAt(i); |
| 904 | mIdToClientInfoMap.remove(globalId); |
| 905 | if (DBG) Slog.d(TAG, "Terminating client-ID " + clientId + |
| 906 | " global-ID " + globalId + " type " + mClientRequests.get(clientId)); |
| 907 | switch (mClientRequests.get(clientId)) { |
| 908 | case NsdManager.DISCOVER_SERVICES: |
| 909 | stopServiceDiscovery(globalId); |
| 910 | break; |
| 911 | case NsdManager.RESOLVE_SERVICE: |
| 912 | stopResolveService(globalId); |
| 913 | break; |
| 914 | case NsdManager.REGISTER_SERVICE: |
| 915 | unregisterService(globalId); |
| 916 | break; |
| 917 | default: |
| 918 | break; |
| 919 | } |
| 920 | } |
| 921 | mClientIds.clear(); |
| 922 | mClientRequests.clear(); |
| 923 | } |
| 924 | |
Christopher Lane | 5a57790 | 2014-04-25 18:39:07 -0700 | [diff] [blame] | 925 | // mClientIds is a sparse array of listener id -> mDnsClient id. For a given mDnsClient id, |
| 926 | // return the corresponding listener id. mDnsClient id is also called a global id. |
| 927 | private int getClientId(final int globalId) { |
| 928 | // This doesn't use mClientIds.indexOfValue because indexOfValue uses == (not .equals) |
| 929 | // while also coercing the int primitives to Integer objects. |
| 930 | for (int i = 0, nSize = mClientIds.size(); i < nSize; i++) { |
| 931 | int mDnsId = mClientIds.valueAt(i); |
| 932 | if (globalId == mDnsId) { |
| 933 | return mClientIds.keyAt(i); |
| 934 | } |
| 935 | } |
| 936 | return -1; |
| 937 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 938 | } |
Hugo Benichi | cbb1367 | 2017-04-24 11:35:06 +0900 | [diff] [blame^] | 939 | |
| 940 | @VisibleForTesting |
| 941 | public interface NsdSettings { |
| 942 | boolean isEnabled(); |
| 943 | void putEnabledStatus(boolean isEnabled); |
| 944 | |
| 945 | static NsdSettings makeDefault(Context context) { |
| 946 | ContentResolver resolver = context.getContentResolver(); |
| 947 | return new NsdSettings() { |
| 948 | @Override |
| 949 | public boolean isEnabled() { |
| 950 | return Settings.Global.getInt(resolver, Settings.Global.NSD_ON, 1) == 1; |
| 951 | } |
| 952 | |
| 953 | @Override |
| 954 | public void putEnabledStatus(boolean isEnabled) { |
| 955 | Settings.Global.putInt(resolver, Settings.Global.NSD_ON, isEnabled ? 1 : 0); |
| 956 | } |
| 957 | }; |
| 958 | } |
| 959 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 960 | } |