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; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 29 | import android.os.Message; |
| 30 | import android.os.Messenger; |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 31 | import android.os.UserHandle; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 32 | import android.provider.Settings; |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 33 | import android.util.Base64; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 34 | import android.util.Slog; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 35 | import android.util.SparseArray; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 36 | |
| 37 | import java.io.FileDescriptor; |
| 38 | import java.io.PrintWriter; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 39 | import java.net.InetAddress; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 40 | import java.util.HashMap; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 41 | import java.util.concurrent.CountDownLatch; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 42 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 43 | import com.android.internal.util.AsyncChannel; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 44 | import com.android.internal.util.Protocol; |
| 45 | import com.android.internal.util.State; |
| 46 | import com.android.internal.util.StateMachine; |
Christopher Lane | 771cd65 | 2014-04-14 16:31:27 -0700 | [diff] [blame] | 47 | import com.android.server.NativeDaemonConnector.Command; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 48 | |
| 49 | /** |
| 50 | * Network Service Discovery Service handles remote service discovery operation requests by |
| 51 | * implementing the INsdManager interface. |
| 52 | * |
| 53 | * @hide |
| 54 | */ |
| 55 | public class NsdService extends INsdManager.Stub { |
| 56 | private static final String TAG = "NsdService"; |
| 57 | private static final String MDNS_TAG = "mDnsConnector"; |
| 58 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 59 | private static final boolean DBG = true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 60 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 61 | private final Context mContext; |
| 62 | private final ContentResolver mContentResolver; |
| 63 | private final NsdStateMachine mNsdStateMachine; |
| 64 | private final NativeDaemonConnector mNativeConnector; |
| 65 | private final CountDownLatch mNativeDaemonConnected = new CountDownLatch(1); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 66 | |
| 67 | /** |
| 68 | * Clients receiving asynchronous messages |
| 69 | */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 70 | private final HashMap<Messenger, ClientInfo> mClients = new HashMap<>(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 71 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 72 | /* A map from unique id to client info */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 73 | private final SparseArray<ClientInfo> mIdToClientInfoMap= new SparseArray<>(); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 74 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 75 | private final AsyncChannel mReplyChannel = new AsyncChannel(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 76 | |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 77 | private static final int INVALID_ID = 0; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 78 | private int mUniqueId = 1; |
| 79 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 80 | private class NsdStateMachine extends StateMachine { |
| 81 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 82 | private final DefaultState mDefaultState = new DefaultState(); |
| 83 | private final DisabledState mDisabledState = new DisabledState(); |
| 84 | private final EnabledState mEnabledState = new EnabledState(); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 85 | |
| 86 | @Override |
Wink Saville | bbf30dfd | 2012-05-29 12:40:46 -0700 | [diff] [blame] | 87 | protected String getWhatToString(int what) { |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 88 | return NsdManager.nameOf(what); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 89 | } |
| 90 | |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 91 | /** |
| 92 | * Observes the NSD on/off setting, and takes action when changed. |
| 93 | */ |
| 94 | private void registerForNsdSetting() { |
| 95 | ContentObserver contentObserver = new ContentObserver(this.getHandler()) { |
| 96 | @Override |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 97 | public void onChange(boolean selfChange) { |
| 98 | if (isNsdEnabled()) { |
| 99 | mNsdStateMachine.sendMessage(NsdManager.ENABLE); |
| 100 | } else { |
| 101 | mNsdStateMachine.sendMessage(NsdManager.DISABLE); |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 102 | } |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 103 | } |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 104 | }; |
| 105 | |
| 106 | mContext.getContentResolver().registerContentObserver( |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 107 | Settings.Global.getUriFor(Settings.Global.NSD_ON), |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 108 | false, contentObserver); |
| 109 | } |
| 110 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 111 | NsdStateMachine(String name) { |
| 112 | super(name); |
| 113 | addState(mDefaultState); |
| 114 | addState(mDisabledState, mDefaultState); |
| 115 | addState(mEnabledState, mDefaultState); |
| 116 | if (isNsdEnabled()) { |
| 117 | setInitialState(mEnabledState); |
| 118 | } else { |
| 119 | setInitialState(mDisabledState); |
| 120 | } |
Wink Saville | bbf30dfd | 2012-05-29 12:40:46 -0700 | [diff] [blame] | 121 | setLogRecSize(25); |
Irfan Sheriff | 919aca5 | 2012-06-01 16:44:13 -0700 | [diff] [blame] | 122 | registerForNsdSetting(); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | class DefaultState extends State { |
| 126 | @Override |
| 127 | public boolean processMessage(Message msg) { |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 128 | ClientInfo cInfo = null; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 129 | switch (msg.what) { |
| 130 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: |
| 131 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| 132 | AsyncChannel c = (AsyncChannel) msg.obj; |
| 133 | if (DBG) Slog.d(TAG, "New client listening to asynchronous messages"); |
| 134 | c.sendMessage(AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 135 | cInfo = new ClientInfo(c, msg.replyTo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 136 | mClients.put(msg.replyTo, cInfo); |
| 137 | } else { |
| 138 | Slog.e(TAG, "Client connection failure, error=" + msg.arg1); |
| 139 | } |
| 140 | break; |
| 141 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 142 | switch (msg.arg1) { |
| 143 | case AsyncChannel.STATUS_SEND_UNSUCCESSFUL: |
| 144 | Slog.e(TAG, "Send failed, client connection lost"); |
| 145 | break; |
| 146 | case AsyncChannel.STATUS_REMOTE_DISCONNECTION: |
| 147 | if (DBG) Slog.d(TAG, "Client disconnected"); |
| 148 | break; |
| 149 | default: |
| 150 | if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); |
| 151 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 152 | } |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 153 | cInfo = mClients.get(msg.replyTo); |
| 154 | if (cInfo != null) { |
| 155 | cInfo.expungeAllRequests(); |
| 156 | mClients.remove(msg.replyTo); |
| 157 | } |
| 158 | //Last client |
| 159 | if (mClients.size() == 0) { |
| 160 | stopMDnsDaemon(); |
| 161 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 162 | break; |
| 163 | case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: |
| 164 | AsyncChannel ac = new AsyncChannel(); |
| 165 | ac.connect(mContext, getHandler(), msg.replyTo); |
| 166 | break; |
| 167 | case NsdManager.DISCOVER_SERVICES: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 168 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 169 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 170 | break; |
| 171 | case NsdManager.STOP_DISCOVERY: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 172 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 173 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 174 | break; |
| 175 | case NsdManager.REGISTER_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 176 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 177 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 178 | break; |
| 179 | case NsdManager.UNREGISTER_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 180 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 181 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 182 | break; |
| 183 | case NsdManager.RESOLVE_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 184 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 185 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 186 | break; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 187 | case NsdManager.NATIVE_DAEMON_EVENT: |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 188 | default: |
| 189 | Slog.e(TAG, "Unhandled " + msg); |
| 190 | return NOT_HANDLED; |
| 191 | } |
| 192 | return HANDLED; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | class DisabledState extends State { |
| 197 | @Override |
| 198 | public void enter() { |
| 199 | sendNsdStateChangeBroadcast(false); |
| 200 | } |
| 201 | |
| 202 | @Override |
| 203 | public boolean processMessage(Message msg) { |
| 204 | switch (msg.what) { |
| 205 | case NsdManager.ENABLE: |
| 206 | transitionTo(mEnabledState); |
| 207 | break; |
| 208 | default: |
| 209 | return NOT_HANDLED; |
| 210 | } |
| 211 | return HANDLED; |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | class EnabledState extends State { |
| 216 | @Override |
| 217 | public void enter() { |
| 218 | sendNsdStateChangeBroadcast(true); |
| 219 | if (mClients.size() > 0) { |
| 220 | startMDnsDaemon(); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | @Override |
| 225 | public void exit() { |
| 226 | if (mClients.size() > 0) { |
| 227 | stopMDnsDaemon(); |
| 228 | } |
| 229 | } |
| 230 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 231 | private boolean requestLimitReached(ClientInfo clientInfo) { |
| 232 | if (clientInfo.mClientIds.size() >= ClientInfo.MAX_LIMIT) { |
| 233 | if (DBG) Slog.d(TAG, "Exceeded max outstanding requests " + clientInfo); |
| 234 | return true; |
| 235 | } |
| 236 | return false; |
| 237 | } |
| 238 | |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 239 | private void storeRequestMap(int clientId, int globalId, ClientInfo clientInfo, int what) { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 240 | clientInfo.mClientIds.put(clientId, globalId); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 241 | clientInfo.mClientRequests.put(clientId, what); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 242 | mIdToClientInfoMap.put(globalId, clientInfo); |
| 243 | } |
| 244 | |
| 245 | private void removeRequestMap(int clientId, int globalId, ClientInfo clientInfo) { |
| 246 | clientInfo.mClientIds.remove(clientId); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 247 | clientInfo.mClientRequests.remove(clientId); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 248 | mIdToClientInfoMap.remove(globalId); |
| 249 | } |
| 250 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 251 | @Override |
| 252 | public boolean processMessage(Message msg) { |
| 253 | ClientInfo clientInfo; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 254 | NsdServiceInfo servInfo; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 255 | int id; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 256 | switch (msg.what) { |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 257 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 258 | //First client |
| 259 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL && |
| 260 | mClients.size() == 0) { |
| 261 | startMDnsDaemon(); |
| 262 | } |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 263 | return NOT_HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 264 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 265 | return NOT_HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 266 | case NsdManager.DISABLE: |
| 267 | //TODO: cleanup clients |
| 268 | transitionTo(mDisabledState); |
| 269 | break; |
| 270 | case NsdManager.DISCOVER_SERVICES: |
| 271 | if (DBG) Slog.d(TAG, "Discover services"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 272 | servInfo = (NsdServiceInfo) msg.obj; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 273 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 274 | |
| 275 | if (requestLimitReached(clientInfo)) { |
| 276 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 277 | NsdManager.FAILURE_MAX_LIMIT); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 278 | break; |
| 279 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 280 | |
| 281 | id = getUniqueId(); |
| 282 | if (discoverServices(id, servInfo.getServiceType())) { |
| 283 | if (DBG) { |
| 284 | Slog.d(TAG, "Discover " + msg.arg2 + " " + id + |
| 285 | servInfo.getServiceType()); |
| 286 | } |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 287 | storeRequestMap(msg.arg2, id, clientInfo, msg.what); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 288 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_STARTED, servInfo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 289 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 290 | stopServiceDiscovery(id); |
| 291 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 292 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 293 | } |
| 294 | break; |
| 295 | case NsdManager.STOP_DISCOVERY: |
| 296 | if (DBG) Slog.d(TAG, "Stop service discovery"); |
| 297 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 298 | |
| 299 | try { |
| 300 | id = clientInfo.mClientIds.get(msg.arg2).intValue(); |
| 301 | } catch (NullPointerException e) { |
| 302 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 303 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 304 | break; |
| 305 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 306 | removeRequestMap(msg.arg2, id, clientInfo); |
| 307 | if (stopServiceDiscovery(id)) { |
| 308 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_SUCCEEDED); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 309 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 310 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 311 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 312 | } |
| 313 | break; |
| 314 | case NsdManager.REGISTER_SERVICE: |
| 315 | if (DBG) Slog.d(TAG, "Register service"); |
| 316 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 317 | if (requestLimitReached(clientInfo)) { |
| 318 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 319 | NsdManager.FAILURE_MAX_LIMIT); |
| 320 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 321 | } |
| 322 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 323 | id = getUniqueId(); |
| 324 | if (registerService(id, (NsdServiceInfo) msg.obj)) { |
| 325 | if (DBG) Slog.d(TAG, "Register " + msg.arg2 + " " + id); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 326 | storeRequestMap(msg.arg2, id, clientInfo, msg.what); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 327 | // Return success after mDns reports success |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 328 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 329 | unregisterService(id); |
| 330 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 331 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 332 | } |
| 333 | break; |
| 334 | case NsdManager.UNREGISTER_SERVICE: |
| 335 | if (DBG) Slog.d(TAG, "unregister service"); |
| 336 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 337 | try { |
| 338 | id = clientInfo.mClientIds.get(msg.arg2).intValue(); |
| 339 | } catch (NullPointerException e) { |
| 340 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 341 | NsdManager.FAILURE_INTERNAL_ERROR); |
| 342 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 343 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 344 | removeRequestMap(msg.arg2, id, clientInfo); |
| 345 | if (unregisterService(id)) { |
| 346 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_SUCCEEDED); |
| 347 | } else { |
| 348 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 349 | NsdManager.FAILURE_INTERNAL_ERROR); |
| 350 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 351 | break; |
| 352 | case NsdManager.RESOLVE_SERVICE: |
| 353 | if (DBG) Slog.d(TAG, "Resolve service"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 354 | servInfo = (NsdServiceInfo) msg.obj; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 355 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 356 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 357 | |
| 358 | if (clientInfo.mResolvedService != null) { |
| 359 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 360 | NsdManager.FAILURE_ALREADY_ACTIVE); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 361 | break; |
| 362 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 363 | |
| 364 | id = getUniqueId(); |
| 365 | if (resolveService(id, servInfo)) { |
| 366 | clientInfo.mResolvedService = new NsdServiceInfo(); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 367 | storeRequestMap(msg.arg2, id, clientInfo, msg.what); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 368 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 369 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 370 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 371 | } |
| 372 | break; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 373 | case NsdManager.NATIVE_DAEMON_EVENT: |
| 374 | NativeEvent event = (NativeEvent) msg.obj; |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 375 | if (!handleNativeEvent(event.code, event.raw, event.cooked)) { |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 376 | return NOT_HANDLED; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 377 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 378 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 379 | default: |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 380 | return NOT_HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 381 | } |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 382 | return HANDLED; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 383 | } |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 384 | |
| 385 | private boolean handleNativeEvent(int code, String raw, String[] cooked) { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 386 | NsdServiceInfo servInfo; |
| 387 | int id = Integer.parseInt(cooked[1]); |
| 388 | ClientInfo clientInfo = mIdToClientInfoMap.get(id); |
| 389 | if (clientInfo == null) { |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 390 | String name = NativeResponseCode.nameOf(code); |
| 391 | 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^] | 392 | return false; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | /* This goes in response as msg.arg2 */ |
Christopher Lane | 5a57790 | 2014-04-25 18:39:07 -0700 | [diff] [blame] | 396 | int clientId = clientInfo.getClientId(id); |
| 397 | if (clientId < 0) { |
Vinit Deshapnde | 8ed09e8 | 2013-06-25 19:45:03 -0700 | [diff] [blame] | 398 | // This can happen because of race conditions. For example, |
| 399 | // SERVICE_FOUND may race with STOP_SERVICE_DISCOVERY, |
| 400 | // and we may get in this situation. |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 401 | String name = NativeResponseCode.nameOf(code); |
| 402 | Slog.d(TAG, String.format( |
| 403 | "Notification %s for listener id %d that is no longer active", |
| 404 | name, id)); |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 405 | return false; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 406 | } |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 407 | if (DBG) { |
| 408 | String name = NativeResponseCode.nameOf(code); |
| 409 | Slog.d(TAG, String.format("Native daemon message %s: %s", name, raw)); |
| 410 | } |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 411 | switch (code) { |
| 412 | case NativeResponseCode.SERVICE_FOUND: |
| 413 | /* NNN uniqueId serviceName regType domain */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 414 | servInfo = new NsdServiceInfo(cooked[2], cooked[3]); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 415 | clientInfo.mChannel.sendMessage(NsdManager.SERVICE_FOUND, 0, |
| 416 | clientId, servInfo); |
| 417 | break; |
| 418 | case NativeResponseCode.SERVICE_LOST: |
| 419 | /* NNN uniqueId serviceName regType domain */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 420 | servInfo = new NsdServiceInfo(cooked[2], cooked[3]); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 421 | clientInfo.mChannel.sendMessage(NsdManager.SERVICE_LOST, 0, |
| 422 | clientId, servInfo); |
| 423 | break; |
| 424 | case NativeResponseCode.SERVICE_DISCOVERY_FAILED: |
| 425 | /* NNN uniqueId errorCode */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 426 | clientInfo.mChannel.sendMessage(NsdManager.DISCOVER_SERVICES_FAILED, |
| 427 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 428 | break; |
| 429 | case NativeResponseCode.SERVICE_REGISTERED: |
| 430 | /* NNN regId serviceName regType */ |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 431 | servInfo = new NsdServiceInfo(cooked[2], null); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 432 | clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_SUCCEEDED, |
| 433 | id, clientId, servInfo); |
| 434 | break; |
| 435 | case NativeResponseCode.SERVICE_REGISTRATION_FAILED: |
| 436 | /* NNN regId errorCode */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 437 | clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_FAILED, |
| 438 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 439 | break; |
| 440 | case NativeResponseCode.SERVICE_UPDATED: |
| 441 | /* NNN regId */ |
| 442 | break; |
| 443 | case NativeResponseCode.SERVICE_UPDATE_FAILED: |
| 444 | /* NNN regId errorCode */ |
| 445 | break; |
| 446 | case NativeResponseCode.SERVICE_RESOLVED: |
| 447 | /* NNN resolveId fullName hostName port txtlen txtdata */ |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 448 | int index = 0; |
| 449 | while (index < cooked[2].length() && cooked[2].charAt(index) != '.') { |
| 450 | if (cooked[2].charAt(index) == '\\') { |
| 451 | ++index; |
| 452 | } |
| 453 | ++index; |
| 454 | } |
| 455 | if (index >= cooked[2].length()) { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 456 | Slog.e(TAG, "Invalid service found " + raw); |
| 457 | break; |
| 458 | } |
| 459 | String name = cooked[2].substring(0, index); |
| 460 | String rest = cooked[2].substring(index); |
| 461 | String type = rest.replace(".local.", ""); |
| 462 | |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 463 | name = unescape(name); |
| 464 | |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 465 | clientInfo.mResolvedService.setServiceName(name); |
| 466 | clientInfo.mResolvedService.setServiceType(type); |
| 467 | clientInfo.mResolvedService.setPort(Integer.parseInt(cooked[4])); |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 468 | clientInfo.mResolvedService.setTxtRecords(cooked[6]); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 469 | |
| 470 | stopResolveService(id); |
Vinit Deshapnde | 4038724 | 2013-11-12 15:36:37 -0800 | [diff] [blame] | 471 | removeRequestMap(clientId, id, clientInfo); |
| 472 | |
| 473 | int id2 = getUniqueId(); |
| 474 | if (getAddrInfo(id2, cooked[3])) { |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 475 | storeRequestMap(clientId, id2, clientInfo, NsdManager.RESOLVE_SERVICE); |
Vinit Deshapnde | 4038724 | 2013-11-12 15:36:37 -0800 | [diff] [blame] | 476 | } else { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 477 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 478 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 479 | clientInfo.mResolvedService = null; |
| 480 | } |
| 481 | break; |
| 482 | case NativeResponseCode.SERVICE_RESOLUTION_FAILED: |
| 483 | /* NNN resolveId errorCode */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 484 | stopResolveService(id); |
| 485 | removeRequestMap(clientId, id, clientInfo); |
| 486 | clientInfo.mResolvedService = null; |
| 487 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 488 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 489 | break; |
| 490 | case NativeResponseCode.SERVICE_GET_ADDR_FAILED: |
| 491 | /* NNN resolveId errorCode */ |
| 492 | stopGetAddrInfo(id); |
| 493 | removeRequestMap(clientId, id, clientInfo); |
| 494 | clientInfo.mResolvedService = null; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 495 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 496 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 497 | break; |
| 498 | case NativeResponseCode.SERVICE_GET_ADDR_SUCCESS: |
| 499 | /* NNN resolveId hostname ttl addr */ |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 500 | try { |
| 501 | clientInfo.mResolvedService.setHost(InetAddress.getByName(cooked[4])); |
| 502 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_SUCCEEDED, |
| 503 | 0, clientId, clientInfo.mResolvedService); |
| 504 | } catch (java.net.UnknownHostException e) { |
| 505 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 506 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 507 | } |
| 508 | stopGetAddrInfo(id); |
| 509 | removeRequestMap(clientId, id, clientInfo); |
| 510 | clientInfo.mResolvedService = null; |
| 511 | break; |
| 512 | default: |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 513 | return false; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 514 | } |
Hugo Benichi | 23dba85 | 2017-04-05 14:43:29 +0900 | [diff] [blame^] | 515 | return true; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 516 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 517 | } |
| 518 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 519 | |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 520 | private String unescape(String s) { |
| 521 | StringBuilder sb = new StringBuilder(s.length()); |
| 522 | for (int i = 0; i < s.length(); ++i) { |
| 523 | char c = s.charAt(i); |
| 524 | if (c == '\\') { |
| 525 | if (++i >= s.length()) { |
| 526 | Slog.e(TAG, "Unexpected end of escape sequence in: " + s); |
| 527 | break; |
| 528 | } |
| 529 | c = s.charAt(i); |
| 530 | if (c != '.' && c != '\\') { |
| 531 | if (i + 2 >= s.length()) { |
| 532 | Slog.e(TAG, "Unexpected end of escape sequence in: " + s); |
| 533 | break; |
| 534 | } |
| 535 | c = (char) ((c-'0') * 100 + (s.charAt(i+1)-'0') * 10 + (s.charAt(i+2)-'0')); |
| 536 | i += 2; |
| 537 | } |
| 538 | } |
| 539 | sb.append(c); |
| 540 | } |
| 541 | return sb.toString(); |
| 542 | } |
| 543 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 544 | private NsdService(Context context) { |
| 545 | mContext = context; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 546 | mContentResolver = context.getContentResolver(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 547 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 548 | mNativeConnector = new NativeDaemonConnector(new NativeCallbackReceiver(), "mdns", 10, |
Dianne Hackborn | 77b987f | 2014-02-26 16:20:52 -0800 | [diff] [blame] | 549 | MDNS_TAG, 25, null); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 550 | |
| 551 | mNsdStateMachine = new NsdStateMachine(TAG); |
| 552 | mNsdStateMachine.start(); |
| 553 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 554 | Thread th = new Thread(mNativeConnector, MDNS_TAG); |
| 555 | th.start(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | public static NsdService create(Context context) throws InterruptedException { |
| 559 | NsdService service = new NsdService(context); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 560 | service.mNativeDaemonConnected.await(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 561 | return service; |
| 562 | } |
| 563 | |
| 564 | public Messenger getMessenger() { |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 565 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INTERNET, |
| 566 | "NsdService"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 567 | return new Messenger(mNsdStateMachine.getHandler()); |
| 568 | } |
| 569 | |
| 570 | public void setEnabled(boolean enable) { |
| 571 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 572 | "NsdService"); |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 573 | Settings.Global.putInt(mContentResolver, Settings.Global.NSD_ON, enable ? 1 : 0); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 574 | if (enable) { |
| 575 | mNsdStateMachine.sendMessage(NsdManager.ENABLE); |
| 576 | } else { |
| 577 | mNsdStateMachine.sendMessage(NsdManager.DISABLE); |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | private void sendNsdStateChangeBroadcast(boolean enabled) { |
Irfan Sheriff | 54ac7a5 | 2012-04-19 10:26:34 -0700 | [diff] [blame] | 582 | final Intent intent = new Intent(NsdManager.ACTION_NSD_STATE_CHANGED); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 583 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 584 | if (enabled) { |
| 585 | intent.putExtra(NsdManager.EXTRA_NSD_STATE, NsdManager.NSD_STATE_ENABLED); |
| 586 | } else { |
| 587 | intent.putExtra(NsdManager.EXTRA_NSD_STATE, NsdManager.NSD_STATE_DISABLED); |
| 588 | } |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 589 | mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | private boolean isNsdEnabled() { |
Jeff Sharkey | 625239a | 2012-09-26 22:03:49 -0700 | [diff] [blame] | 593 | boolean ret = Settings.Global.getInt(mContentResolver, Settings.Global.NSD_ON, 1) == 1; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 594 | if (DBG) Slog.d(TAG, "Network service discovery enabled " + ret); |
| 595 | return ret; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 596 | } |
| 597 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 598 | private int getUniqueId() { |
| 599 | if (++mUniqueId == INVALID_ID) return ++mUniqueId; |
| 600 | return mUniqueId; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 601 | } |
| 602 | |
Sreeram Ramachandran | 03666c7 | 2014-07-19 23:21:46 -0700 | [diff] [blame] | 603 | /* These should be in sync with system/netd/server/ResponseCode.h */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 604 | static final class NativeResponseCode { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 605 | public static final int SERVICE_DISCOVERY_FAILED = 602; |
| 606 | public static final int SERVICE_FOUND = 603; |
| 607 | public static final int SERVICE_LOST = 604; |
| 608 | |
| 609 | public static final int SERVICE_REGISTRATION_FAILED = 605; |
| 610 | public static final int SERVICE_REGISTERED = 606; |
| 611 | |
| 612 | public static final int SERVICE_RESOLUTION_FAILED = 607; |
| 613 | public static final int SERVICE_RESOLVED = 608; |
| 614 | |
| 615 | public static final int SERVICE_UPDATED = 609; |
| 616 | public static final int SERVICE_UPDATE_FAILED = 610; |
| 617 | |
| 618 | public static final int SERVICE_GET_ADDR_FAILED = 611; |
| 619 | public static final int SERVICE_GET_ADDR_SUCCESS = 612; |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 620 | |
| 621 | private static final SparseArray<String> CODE_NAMES = new SparseArray<>(); |
| 622 | static { |
| 623 | CODE_NAMES.put(SERVICE_DISCOVERY_FAILED, "SERVICE_DISCOVERY_FAILED"); |
| 624 | CODE_NAMES.put(SERVICE_FOUND, "SERVICE_FOUND"); |
| 625 | CODE_NAMES.put(SERVICE_LOST, "SERVICE_LOST"); |
| 626 | CODE_NAMES.put(SERVICE_REGISTRATION_FAILED, "SERVICE_REGISTRATION_FAILED"); |
| 627 | CODE_NAMES.put(SERVICE_REGISTERED, "SERVICE_REGISTERED"); |
| 628 | CODE_NAMES.put(SERVICE_RESOLUTION_FAILED, "SERVICE_RESOLUTION_FAILED"); |
| 629 | CODE_NAMES.put(SERVICE_RESOLVED, "SERVICE_RESOLVED"); |
| 630 | CODE_NAMES.put(SERVICE_UPDATED, "SERVICE_UPDATED"); |
| 631 | CODE_NAMES.put(SERVICE_UPDATE_FAILED, "SERVICE_UPDATE_FAILED"); |
| 632 | CODE_NAMES.put(SERVICE_GET_ADDR_FAILED, "SERVICE_GET_ADDR_FAILED"); |
| 633 | CODE_NAMES.put(SERVICE_GET_ADDR_SUCCESS, "SERVICE_GET_ADDR_SUCCESS"); |
| 634 | } |
| 635 | |
| 636 | static String nameOf(int code) { |
| 637 | String name = CODE_NAMES.get(code); |
| 638 | if (name == null) { |
| 639 | return Integer.toString(code); |
| 640 | } |
| 641 | return name; |
| 642 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 643 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 644 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 645 | private class NativeEvent { |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 646 | final int code; |
| 647 | final String raw; |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 648 | final String[] cooked; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 649 | |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 650 | NativeEvent(int code, String raw, String[] cooked) { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 651 | this.code = code; |
| 652 | this.raw = raw; |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 653 | this.cooked = cooked; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 654 | } |
| 655 | } |
| 656 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 657 | class NativeCallbackReceiver implements INativeDaemonConnectorCallbacks { |
| 658 | public void onDaemonConnected() { |
| 659 | mNativeDaemonConnected.countDown(); |
| 660 | } |
| 661 | |
Dianne Hackborn | 77b987f | 2014-02-26 16:20:52 -0800 | [diff] [blame] | 662 | public boolean onCheckHoldWakeLock(int code) { |
| 663 | return false; |
| 664 | } |
| 665 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 666 | public boolean onEvent(int code, String raw, String[] cooked) { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 667 | // TODO: NDC translates a message to a callback, we could enhance NDC to |
| 668 | // directly interact with a state machine through messages |
Sreeram Ramachandran | ef12884 | 2014-09-03 15:45:59 -0700 | [diff] [blame] | 669 | NativeEvent event = new NativeEvent(code, raw, cooked); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 670 | mNsdStateMachine.sendMessage(NsdManager.NATIVE_DAEMON_EVENT, event); |
| 671 | return true; |
| 672 | } |
| 673 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 674 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 675 | private boolean startMDnsDaemon() { |
| 676 | if (DBG) Slog.d(TAG, "startMDnsDaemon"); |
| 677 | try { |
| 678 | mNativeConnector.execute("mdnssd", "start-service"); |
| 679 | } catch(NativeDaemonConnectorException e) { |
| 680 | Slog.e(TAG, "Failed to start daemon" + e); |
| 681 | return false; |
| 682 | } |
| 683 | return true; |
| 684 | } |
| 685 | |
| 686 | private boolean stopMDnsDaemon() { |
| 687 | if (DBG) Slog.d(TAG, "stopMDnsDaemon"); |
| 688 | try { |
| 689 | mNativeConnector.execute("mdnssd", "stop-service"); |
| 690 | } catch(NativeDaemonConnectorException e) { |
| 691 | Slog.e(TAG, "Failed to start daemon" + e); |
| 692 | return false; |
| 693 | } |
| 694 | return true; |
| 695 | } |
| 696 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 697 | private boolean registerService(int regId, NsdServiceInfo service) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 698 | if (DBG) Slog.d(TAG, "registerService: " + regId + " " + service); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 699 | try { |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 700 | Command cmd = new Command("mdnssd", "register", regId, service.getServiceName(), |
Philip P. Moltmann | 312c61e | 2016-03-16 10:15:39 -0700 | [diff] [blame] | 701 | service.getServiceType(), service.getPort(), |
| 702 | Base64.encodeToString(service.getTxtRecord(), Base64.DEFAULT) |
| 703 | .replace("\n", "")); |
Christopher Lane | b72d8b4 | 2014-03-17 16:35:45 -0700 | [diff] [blame] | 704 | |
| 705 | mNativeConnector.execute(cmd); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 706 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 707 | Slog.e(TAG, "Failed to execute registerService " + e); |
| 708 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 709 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 710 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 711 | } |
| 712 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 713 | private boolean unregisterService(int regId) { |
| 714 | if (DBG) Slog.d(TAG, "unregisterService: " + regId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 715 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 716 | mNativeConnector.execute("mdnssd", "stop-register", regId); |
| 717 | } catch(NativeDaemonConnectorException e) { |
| 718 | Slog.e(TAG, "Failed to execute unregisterService " + e); |
| 719 | return false; |
| 720 | } |
| 721 | return true; |
| 722 | } |
| 723 | |
| 724 | private boolean updateService(int regId, DnsSdTxtRecord t) { |
| 725 | if (DBG) Slog.d(TAG, "updateService: " + regId + " " + t); |
| 726 | try { |
| 727 | if (t == null) return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 728 | mNativeConnector.execute("mdnssd", "update", regId, t.size(), t.getRawData()); |
| 729 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 730 | Slog.e(TAG, "Failed to updateServices " + e); |
| 731 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 732 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 733 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 734 | } |
| 735 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 736 | private boolean discoverServices(int discoveryId, String serviceType) { |
| 737 | if (DBG) Slog.d(TAG, "discoverServices: " + discoveryId + " " + serviceType); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 738 | try { |
| 739 | mNativeConnector.execute("mdnssd", "discover", discoveryId, serviceType); |
| 740 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 741 | Slog.e(TAG, "Failed to discoverServices " + e); |
| 742 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 743 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 744 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 745 | } |
| 746 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 747 | private boolean stopServiceDiscovery(int discoveryId) { |
| 748 | if (DBG) Slog.d(TAG, "stopServiceDiscovery: " + discoveryId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 749 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 750 | mNativeConnector.execute("mdnssd", "stop-discover", discoveryId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 751 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 752 | Slog.e(TAG, "Failed to stopServiceDiscovery " + e); |
| 753 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 754 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 755 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 756 | } |
| 757 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 758 | private boolean resolveService(int resolveId, NsdServiceInfo service) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 759 | if (DBG) Slog.d(TAG, "resolveService: " + resolveId + " " + service); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 760 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 761 | mNativeConnector.execute("mdnssd", "resolve", resolveId, service.getServiceName(), |
| 762 | service.getServiceType(), "local."); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 763 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 764 | Slog.e(TAG, "Failed to resolveService " + e); |
| 765 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 766 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 767 | return true; |
| 768 | } |
| 769 | |
| 770 | private boolean stopResolveService(int resolveId) { |
| 771 | if (DBG) Slog.d(TAG, "stopResolveService: " + resolveId); |
| 772 | try { |
| 773 | mNativeConnector.execute("mdnssd", "stop-resolve", resolveId); |
| 774 | } catch(NativeDaemonConnectorException e) { |
| 775 | Slog.e(TAG, "Failed to stop resolve " + e); |
| 776 | return false; |
| 777 | } |
| 778 | return true; |
| 779 | } |
| 780 | |
| 781 | private boolean getAddrInfo(int resolveId, String hostname) { |
| 782 | if (DBG) Slog.d(TAG, "getAdddrInfo: " + resolveId); |
| 783 | try { |
| 784 | mNativeConnector.execute("mdnssd", "getaddrinfo", resolveId, hostname); |
| 785 | } catch(NativeDaemonConnectorException e) { |
| 786 | Slog.e(TAG, "Failed to getAddrInfo " + e); |
| 787 | return false; |
| 788 | } |
| 789 | return true; |
| 790 | } |
| 791 | |
| 792 | private boolean stopGetAddrInfo(int resolveId) { |
| 793 | if (DBG) Slog.d(TAG, "stopGetAdddrInfo: " + resolveId); |
| 794 | try { |
| 795 | mNativeConnector.execute("mdnssd", "stop-getaddrinfo", resolveId); |
| 796 | } catch(NativeDaemonConnectorException e) { |
| 797 | Slog.e(TAG, "Failed to stopGetAddrInfo " + e); |
| 798 | return false; |
| 799 | } |
| 800 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 801 | } |
| 802 | |
| 803 | @Override |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 804 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 805 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 806 | != PackageManager.PERMISSION_GRANTED) { |
| 807 | pw.println("Permission Denial: can't dump ServiceDiscoverService from from pid=" |
| 808 | + Binder.getCallingPid() |
| 809 | + ", uid=" + Binder.getCallingUid()); |
| 810 | return; |
| 811 | } |
| 812 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 813 | for (ClientInfo client : mClients.values()) { |
| 814 | pw.println("Client Info"); |
| 815 | pw.println(client); |
| 816 | } |
| 817 | |
| 818 | mNsdStateMachine.dump(fd, pw, args); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 819 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 820 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 821 | /* arg2 on the source message has an id that needs to be retained in replies |
| 822 | * see NsdManager for details */ |
| 823 | private Message obtainMessage(Message srcMsg) { |
| 824 | Message msg = Message.obtain(); |
| 825 | msg.arg2 = srcMsg.arg2; |
| 826 | return msg; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 827 | } |
| 828 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 829 | private void replyToMessage(Message msg, int what) { |
| 830 | if (msg.replyTo == null) return; |
| 831 | Message dstMsg = obtainMessage(msg); |
| 832 | dstMsg.what = what; |
| 833 | mReplyChannel.replyToMessage(msg, dstMsg); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 834 | } |
| 835 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 836 | private void replyToMessage(Message msg, int what, int arg1) { |
| 837 | if (msg.replyTo == null) return; |
| 838 | Message dstMsg = obtainMessage(msg); |
| 839 | dstMsg.what = what; |
| 840 | dstMsg.arg1 = arg1; |
| 841 | mReplyChannel.replyToMessage(msg, dstMsg); |
| 842 | } |
| 843 | |
| 844 | private void replyToMessage(Message msg, int what, Object obj) { |
| 845 | if (msg.replyTo == null) return; |
| 846 | Message dstMsg = obtainMessage(msg); |
| 847 | dstMsg.what = what; |
| 848 | dstMsg.obj = obj; |
| 849 | mReplyChannel.replyToMessage(msg, dstMsg); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | /* Information tracked per client */ |
| 853 | private class ClientInfo { |
| 854 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 855 | private static final int MAX_LIMIT = 10; |
Vairavan Srinivasan | 6727e73 | 2012-08-05 13:14:12 -0700 | [diff] [blame] | 856 | private final AsyncChannel mChannel; |
| 857 | private final Messenger mMessenger; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 858 | /* Remembers a resolved service until getaddrinfo completes */ |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 859 | private NsdServiceInfo mResolvedService; |
| 860 | |
| 861 | /* A map from client id to unique id sent to mDns */ |
Hugo Benichi | 2183ba9 | 2017-04-05 14:06:11 +0900 | [diff] [blame] | 862 | private final SparseArray<Integer> mClientIds = new SparseArray<>(); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 863 | |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 864 | /* 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] | 865 | private final SparseArray<Integer> mClientRequests = new SparseArray<>(); |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 866 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 867 | private ClientInfo(AsyncChannel c, Messenger m) { |
| 868 | mChannel = c; |
| 869 | mMessenger = m; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 870 | if (DBG) Slog.d(TAG, "New client, channel: " + c + " messenger: " + m); |
| 871 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 872 | |
| 873 | @Override |
| 874 | public String toString() { |
| 875 | StringBuffer sb = new StringBuffer(); |
| 876 | sb.append("mChannel ").append(mChannel).append("\n"); |
| 877 | sb.append("mMessenger ").append(mMessenger).append("\n"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 878 | sb.append("mResolvedService ").append(mResolvedService).append("\n"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame] | 879 | for(int i = 0; i< mClientIds.size(); i++) { |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 880 | int clientID = mClientIds.keyAt(i); |
| 881 | sb.append("clientId ").append(clientID). |
| 882 | append(" mDnsId ").append(mClientIds.valueAt(i)). |
| 883 | append(" type ").append(mClientRequests.get(clientID)).append("\n"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 884 | } |
| 885 | return sb.toString(); |
| 886 | } |
Dave Platt | f31760c | 2014-03-07 14:48:22 -0800 | [diff] [blame] | 887 | |
| 888 | // Remove any pending requests from the global map when we get rid of a client, |
| 889 | // and send cancellations to the daemon. |
| 890 | private void expungeAllRequests() { |
| 891 | int globalId, clientId, i; |
| 892 | for (i = 0; i < mClientIds.size(); i++) { |
| 893 | clientId = mClientIds.keyAt(i); |
| 894 | globalId = mClientIds.valueAt(i); |
| 895 | mIdToClientInfoMap.remove(globalId); |
| 896 | if (DBG) Slog.d(TAG, "Terminating client-ID " + clientId + |
| 897 | " global-ID " + globalId + " type " + mClientRequests.get(clientId)); |
| 898 | switch (mClientRequests.get(clientId)) { |
| 899 | case NsdManager.DISCOVER_SERVICES: |
| 900 | stopServiceDiscovery(globalId); |
| 901 | break; |
| 902 | case NsdManager.RESOLVE_SERVICE: |
| 903 | stopResolveService(globalId); |
| 904 | break; |
| 905 | case NsdManager.REGISTER_SERVICE: |
| 906 | unregisterService(globalId); |
| 907 | break; |
| 908 | default: |
| 909 | break; |
| 910 | } |
| 911 | } |
| 912 | mClientIds.clear(); |
| 913 | mClientRequests.clear(); |
| 914 | } |
| 915 | |
Christopher Lane | 5a57790 | 2014-04-25 18:39:07 -0700 | [diff] [blame] | 916 | // mClientIds is a sparse array of listener id -> mDnsClient id. For a given mDnsClient id, |
| 917 | // return the corresponding listener id. mDnsClient id is also called a global id. |
| 918 | private int getClientId(final int globalId) { |
| 919 | // This doesn't use mClientIds.indexOfValue because indexOfValue uses == (not .equals) |
| 920 | // while also coercing the int primitives to Integer objects. |
| 921 | for (int i = 0, nSize = mClientIds.size(); i < nSize; i++) { |
| 922 | int mDnsId = mClientIds.valueAt(i); |
| 923 | if (globalId == mDnsId) { |
| 924 | return mClientIds.keyAt(i); |
| 925 | } |
| 926 | } |
| 927 | return -1; |
| 928 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 929 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 930 | } |