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 | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 23 | import android.net.nsd.NsdServiceInfo; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 24 | import android.net.nsd.DnsSdTxtRecord; |
| 25 | import android.net.nsd.INsdManager; |
| 26 | import android.net.nsd.NsdManager; |
| 27 | import android.os.Binder; |
| 28 | import android.os.Handler; |
| 29 | import android.os.HandlerThread; |
| 30 | import android.os.Message; |
| 31 | import android.os.Messenger; |
| 32 | import android.os.IBinder; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 33 | import android.provider.Settings; |
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 | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 40 | import java.util.ArrayList; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 41 | import java.util.HashMap; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 42 | import java.util.List; |
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 | |
| 45 | import com.android.internal.app.IBatteryStats; |
| 46 | import com.android.internal.telephony.TelephonyIntents; |
| 47 | import com.android.internal.util.AsyncChannel; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 48 | import com.android.internal.util.Protocol; |
| 49 | import com.android.internal.util.State; |
| 50 | import com.android.internal.util.StateMachine; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 51 | import com.android.server.am.BatteryStatsService; |
| 52 | import com.android.server.NativeDaemonConnector.Command; |
| 53 | import com.android.internal.R; |
| 54 | |
| 55 | /** |
| 56 | * Network Service Discovery Service handles remote service discovery operation requests by |
| 57 | * implementing the INsdManager interface. |
| 58 | * |
| 59 | * @hide |
| 60 | */ |
| 61 | public class NsdService extends INsdManager.Stub { |
| 62 | private static final String TAG = "NsdService"; |
| 63 | private static final String MDNS_TAG = "mDnsConnector"; |
| 64 | |
| 65 | private static final boolean DBG = true; |
| 66 | |
| 67 | private Context mContext; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 68 | private ContentResolver mContentResolver; |
| 69 | private NsdStateMachine mNsdStateMachine; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 70 | |
| 71 | /** |
| 72 | * Clients receiving asynchronous messages |
| 73 | */ |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 74 | private HashMap<Messenger, ClientInfo> mClients = new HashMap<Messenger, ClientInfo>(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 75 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 76 | /* A map from unique id to client info */ |
| 77 | private SparseArray<ClientInfo> mIdToClientInfoMap= new SparseArray<ClientInfo>(); |
| 78 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 79 | private AsyncChannel mReplyChannel = new AsyncChannel(); |
| 80 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 81 | private int INVALID_ID = 0; |
| 82 | private int mUniqueId = 1; |
| 83 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 84 | private static final int BASE = Protocol.BASE_NSD_MANAGER; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 85 | private static final int CMD_TO_STRING_COUNT = NsdManager.RESOLVE_SERVICE - BASE + 1; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 86 | private static String[] sCmdToString = new String[CMD_TO_STRING_COUNT]; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 87 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 88 | static { |
| 89 | sCmdToString[NsdManager.DISCOVER_SERVICES - BASE] = "DISCOVER"; |
| 90 | sCmdToString[NsdManager.STOP_DISCOVERY - BASE] = "STOP-DISCOVER"; |
| 91 | sCmdToString[NsdManager.REGISTER_SERVICE - BASE] = "REGISTER"; |
| 92 | sCmdToString[NsdManager.UNREGISTER_SERVICE - BASE] = "UNREGISTER"; |
| 93 | sCmdToString[NsdManager.RESOLVE_SERVICE - BASE] = "RESOLVE"; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 94 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 95 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 96 | private static String cmdToString(int cmd) { |
| 97 | cmd -= BASE; |
| 98 | if ((cmd >= 0) && (cmd < sCmdToString.length)) { |
| 99 | return sCmdToString[cmd]; |
| 100 | } else { |
| 101 | return null; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 102 | } |
| 103 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 104 | |
| 105 | private class NsdStateMachine extends StateMachine { |
| 106 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 107 | private final DefaultState mDefaultState = new DefaultState(); |
| 108 | private final DisabledState mDisabledState = new DisabledState(); |
| 109 | private final EnabledState mEnabledState = new EnabledState(); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 110 | |
| 111 | @Override |
| 112 | protected String getMessageInfo(Message msg) { |
| 113 | return cmdToString(msg.what); |
| 114 | } |
| 115 | |
| 116 | NsdStateMachine(String name) { |
| 117 | super(name); |
| 118 | addState(mDefaultState); |
| 119 | addState(mDisabledState, mDefaultState); |
| 120 | addState(mEnabledState, mDefaultState); |
| 121 | if (isNsdEnabled()) { |
| 122 | setInitialState(mEnabledState); |
| 123 | } else { |
| 124 | setInitialState(mDisabledState); |
| 125 | } |
| 126 | setProcessedMessagesSize(25); |
| 127 | } |
| 128 | |
| 129 | class DefaultState extends State { |
| 130 | @Override |
| 131 | public boolean processMessage(Message msg) { |
| 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); |
| 138 | ClientInfo cInfo = new ClientInfo(c, msg.replyTo); |
| 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: |
| 145 | if (msg.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) { |
| 146 | Slog.e(TAG, "Send failed, client connection lost"); |
| 147 | } else { |
| 148 | if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); |
| 149 | } |
| 150 | mClients.remove(msg.replyTo); |
| 151 | break; |
| 152 | case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: |
| 153 | AsyncChannel ac = new AsyncChannel(); |
| 154 | ac.connect(mContext, getHandler(), msg.replyTo); |
| 155 | break; |
| 156 | case NsdManager.DISCOVER_SERVICES: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 157 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 158 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 159 | break; |
| 160 | case NsdManager.STOP_DISCOVERY: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 161 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 162 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 163 | break; |
| 164 | case NsdManager.REGISTER_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 165 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 166 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 167 | break; |
| 168 | case NsdManager.UNREGISTER_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 169 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 170 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 171 | break; |
| 172 | case NsdManager.RESOLVE_SERVICE: |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 173 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 174 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 175 | break; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 176 | case NsdManager.NATIVE_DAEMON_EVENT: |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 177 | default: |
| 178 | Slog.e(TAG, "Unhandled " + msg); |
| 179 | return NOT_HANDLED; |
| 180 | } |
| 181 | return HANDLED; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | class DisabledState extends State { |
| 186 | @Override |
| 187 | public void enter() { |
| 188 | sendNsdStateChangeBroadcast(false); |
| 189 | } |
| 190 | |
| 191 | @Override |
| 192 | public boolean processMessage(Message msg) { |
| 193 | switch (msg.what) { |
| 194 | case NsdManager.ENABLE: |
| 195 | transitionTo(mEnabledState); |
| 196 | break; |
| 197 | default: |
| 198 | return NOT_HANDLED; |
| 199 | } |
| 200 | return HANDLED; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | class EnabledState extends State { |
| 205 | @Override |
| 206 | public void enter() { |
| 207 | sendNsdStateChangeBroadcast(true); |
| 208 | if (mClients.size() > 0) { |
| 209 | startMDnsDaemon(); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | @Override |
| 214 | public void exit() { |
| 215 | if (mClients.size() > 0) { |
| 216 | stopMDnsDaemon(); |
| 217 | } |
| 218 | } |
| 219 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 220 | private boolean requestLimitReached(ClientInfo clientInfo) { |
| 221 | if (clientInfo.mClientIds.size() >= ClientInfo.MAX_LIMIT) { |
| 222 | if (DBG) Slog.d(TAG, "Exceeded max outstanding requests " + clientInfo); |
| 223 | return true; |
| 224 | } |
| 225 | return false; |
| 226 | } |
| 227 | |
| 228 | private void storeRequestMap(int clientId, int globalId, ClientInfo clientInfo) { |
| 229 | clientInfo.mClientIds.put(clientId, globalId); |
| 230 | mIdToClientInfoMap.put(globalId, clientInfo); |
| 231 | } |
| 232 | |
| 233 | private void removeRequestMap(int clientId, int globalId, ClientInfo clientInfo) { |
| 234 | clientInfo.mClientIds.remove(clientId); |
| 235 | mIdToClientInfoMap.remove(globalId); |
| 236 | } |
| 237 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 238 | @Override |
| 239 | public boolean processMessage(Message msg) { |
| 240 | ClientInfo clientInfo; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 241 | NsdServiceInfo servInfo; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 242 | boolean result = HANDLED; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 243 | int id; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 244 | switch (msg.what) { |
| 245 | case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: |
| 246 | //First client |
| 247 | if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL && |
| 248 | mClients.size() == 0) { |
| 249 | startMDnsDaemon(); |
| 250 | } |
| 251 | result = NOT_HANDLED; |
| 252 | break; |
| 253 | case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
| 254 | //Last client |
| 255 | if (mClients.size() == 1) { |
| 256 | stopMDnsDaemon(); |
| 257 | } |
| 258 | result = NOT_HANDLED; |
| 259 | break; |
| 260 | case NsdManager.DISABLE: |
| 261 | //TODO: cleanup clients |
| 262 | transitionTo(mDisabledState); |
| 263 | break; |
| 264 | case NsdManager.DISCOVER_SERVICES: |
| 265 | if (DBG) Slog.d(TAG, "Discover services"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 266 | servInfo = (NsdServiceInfo) msg.obj; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 267 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 268 | |
| 269 | if (requestLimitReached(clientInfo)) { |
| 270 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 271 | NsdManager.FAILURE_MAX_LIMIT); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 272 | break; |
| 273 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 274 | |
| 275 | id = getUniqueId(); |
| 276 | if (discoverServices(id, servInfo.getServiceType())) { |
| 277 | if (DBG) { |
| 278 | Slog.d(TAG, "Discover " + msg.arg2 + " " + id + |
| 279 | servInfo.getServiceType()); |
| 280 | } |
| 281 | storeRequestMap(msg.arg2, id, clientInfo); |
| 282 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_STARTED, servInfo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 283 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 284 | stopServiceDiscovery(id); |
| 285 | replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED, |
| 286 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 287 | } |
| 288 | break; |
| 289 | case NsdManager.STOP_DISCOVERY: |
| 290 | if (DBG) Slog.d(TAG, "Stop service discovery"); |
| 291 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 292 | |
| 293 | try { |
| 294 | id = clientInfo.mClientIds.get(msg.arg2).intValue(); |
| 295 | } catch (NullPointerException e) { |
| 296 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 297 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 298 | break; |
| 299 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 300 | removeRequestMap(msg.arg2, id, clientInfo); |
| 301 | if (stopServiceDiscovery(id)) { |
| 302 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_SUCCEEDED); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 303 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 304 | replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED, |
| 305 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 306 | } |
| 307 | break; |
| 308 | case NsdManager.REGISTER_SERVICE: |
| 309 | if (DBG) Slog.d(TAG, "Register service"); |
| 310 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 311 | if (requestLimitReached(clientInfo)) { |
| 312 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 313 | NsdManager.FAILURE_MAX_LIMIT); |
| 314 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 315 | } |
| 316 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 317 | id = getUniqueId(); |
| 318 | if (registerService(id, (NsdServiceInfo) msg.obj)) { |
| 319 | if (DBG) Slog.d(TAG, "Register " + msg.arg2 + " " + id); |
| 320 | storeRequestMap(msg.arg2, id, clientInfo); |
| 321 | // Return success after mDns reports success |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 322 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 323 | unregisterService(id); |
| 324 | replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED, |
| 325 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 326 | } |
| 327 | break; |
| 328 | case NsdManager.UNREGISTER_SERVICE: |
| 329 | if (DBG) Slog.d(TAG, "unregister service"); |
| 330 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 331 | try { |
| 332 | id = clientInfo.mClientIds.get(msg.arg2).intValue(); |
| 333 | } catch (NullPointerException e) { |
| 334 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 335 | NsdManager.FAILURE_INTERNAL_ERROR); |
| 336 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 337 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 338 | removeRequestMap(msg.arg2, id, clientInfo); |
| 339 | if (unregisterService(id)) { |
| 340 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_SUCCEEDED); |
| 341 | } else { |
| 342 | replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED, |
| 343 | NsdManager.FAILURE_INTERNAL_ERROR); |
| 344 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 345 | break; |
| 346 | case NsdManager.RESOLVE_SERVICE: |
| 347 | if (DBG) Slog.d(TAG, "Resolve service"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 348 | servInfo = (NsdServiceInfo) msg.obj; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 349 | clientInfo = mClients.get(msg.replyTo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 350 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 351 | |
| 352 | if (clientInfo.mResolvedService != null) { |
| 353 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 354 | NsdManager.FAILURE_ALREADY_ACTIVE); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 355 | break; |
| 356 | } |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 357 | |
| 358 | id = getUniqueId(); |
| 359 | if (resolveService(id, servInfo)) { |
| 360 | clientInfo.mResolvedService = new NsdServiceInfo(); |
| 361 | storeRequestMap(msg.arg2, id, clientInfo); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 362 | } else { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 363 | replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED, |
| 364 | NsdManager.FAILURE_INTERNAL_ERROR); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 365 | } |
| 366 | break; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 367 | case NsdManager.NATIVE_DAEMON_EVENT: |
| 368 | NativeEvent event = (NativeEvent) msg.obj; |
| 369 | handleNativeEvent(event.code, event.raw, |
| 370 | NativeDaemonEvent.unescapeArgs(event.raw)); |
| 371 | break; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 372 | default: |
| 373 | result = NOT_HANDLED; |
| 374 | break; |
| 375 | } |
| 376 | return result; |
| 377 | } |
| 378 | } |
| 379 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 380 | |
| 381 | private NativeDaemonConnector mNativeConnector; |
| 382 | private final CountDownLatch mNativeDaemonConnected = new CountDownLatch(1); |
| 383 | |
| 384 | private NsdService(Context context) { |
| 385 | mContext = context; |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 386 | mContentResolver = context.getContentResolver(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 387 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 388 | mNativeConnector = new NativeDaemonConnector(new NativeCallbackReceiver(), "mdns", 10, |
| 389 | MDNS_TAG, 25); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 390 | |
| 391 | mNsdStateMachine = new NsdStateMachine(TAG); |
| 392 | mNsdStateMachine.start(); |
| 393 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 394 | Thread th = new Thread(mNativeConnector, MDNS_TAG); |
| 395 | th.start(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | public static NsdService create(Context context) throws InterruptedException { |
| 399 | NsdService service = new NsdService(context); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 400 | service.mNativeDaemonConnected.await(); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 401 | return service; |
| 402 | } |
| 403 | |
| 404 | public Messenger getMessenger() { |
Irfan Sheriff | 9278467 | 2012-04-13 12:15:41 -0700 | [diff] [blame] | 405 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INTERNET, |
| 406 | "NsdService"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 407 | return new Messenger(mNsdStateMachine.getHandler()); |
| 408 | } |
| 409 | |
| 410 | public void setEnabled(boolean enable) { |
| 411 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| 412 | "NsdService"); |
| 413 | Settings.Secure.putInt(mContentResolver, Settings.Secure.NSD_ON, enable ? 1 : 0); |
| 414 | if (enable) { |
| 415 | mNsdStateMachine.sendMessage(NsdManager.ENABLE); |
| 416 | } else { |
| 417 | mNsdStateMachine.sendMessage(NsdManager.DISABLE); |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | private void sendNsdStateChangeBroadcast(boolean enabled) { |
Irfan Sheriff | 54ac7a5 | 2012-04-19 10:26:34 -0700 | [diff] [blame] | 422 | final Intent intent = new Intent(NsdManager.ACTION_NSD_STATE_CHANGED); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 423 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| 424 | if (enabled) { |
| 425 | intent.putExtra(NsdManager.EXTRA_NSD_STATE, NsdManager.NSD_STATE_ENABLED); |
| 426 | } else { |
| 427 | intent.putExtra(NsdManager.EXTRA_NSD_STATE, NsdManager.NSD_STATE_DISABLED); |
| 428 | } |
| 429 | mContext.sendStickyBroadcast(intent); |
| 430 | } |
| 431 | |
| 432 | private boolean isNsdEnabled() { |
| 433 | boolean ret = Settings.Secure.getInt(mContentResolver, Settings.Secure.NSD_ON, 1) == 1; |
| 434 | if (DBG) Slog.d(TAG, "Network service discovery enabled " + ret); |
| 435 | return ret; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 436 | } |
| 437 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 438 | private int getUniqueId() { |
| 439 | if (++mUniqueId == INVALID_ID) return ++mUniqueId; |
| 440 | return mUniqueId; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 441 | } |
| 442 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 443 | /* These should be in sync with system/netd/mDnsResponseCode.h */ |
| 444 | class NativeResponseCode { |
| 445 | public static final int SERVICE_DISCOVERY_FAILED = 602; |
| 446 | public static final int SERVICE_FOUND = 603; |
| 447 | public static final int SERVICE_LOST = 604; |
| 448 | |
| 449 | public static final int SERVICE_REGISTRATION_FAILED = 605; |
| 450 | public static final int SERVICE_REGISTERED = 606; |
| 451 | |
| 452 | public static final int SERVICE_RESOLUTION_FAILED = 607; |
| 453 | public static final int SERVICE_RESOLVED = 608; |
| 454 | |
| 455 | public static final int SERVICE_UPDATED = 609; |
| 456 | public static final int SERVICE_UPDATE_FAILED = 610; |
| 457 | |
| 458 | public static final int SERVICE_GET_ADDR_FAILED = 611; |
| 459 | public static final int SERVICE_GET_ADDR_SUCCESS = 612; |
| 460 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 461 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 462 | private class NativeEvent { |
| 463 | int code; |
| 464 | String raw; |
| 465 | |
| 466 | NativeEvent(int code, String raw) { |
| 467 | this.code = code; |
| 468 | this.raw = raw; |
| 469 | } |
| 470 | } |
| 471 | |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 472 | class NativeCallbackReceiver implements INativeDaemonConnectorCallbacks { |
| 473 | public void onDaemonConnected() { |
| 474 | mNativeDaemonConnected.countDown(); |
| 475 | } |
| 476 | |
| 477 | public boolean onEvent(int code, String raw, String[] cooked) { |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 478 | // TODO: NDC translates a message to a callback, we could enhance NDC to |
| 479 | // directly interact with a state machine through messages |
| 480 | NativeEvent event = new NativeEvent(code, raw); |
| 481 | mNsdStateMachine.sendMessage(NsdManager.NATIVE_DAEMON_EVENT, event); |
| 482 | return true; |
| 483 | } |
| 484 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 485 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 486 | private void handleNativeEvent(int code, String raw, String[] cooked) { |
| 487 | NsdServiceInfo servInfo; |
| 488 | int id = Integer.parseInt(cooked[1]); |
| 489 | ClientInfo clientInfo = mIdToClientInfoMap.get(id); |
| 490 | if (clientInfo == null) { |
| 491 | Slog.e(TAG, "Unique id with no client mapping: " + id); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | /* This goes in response as msg.arg2 */ |
| 496 | int clientId = -1; |
| 497 | int keyId = clientInfo.mClientIds.indexOfValue(id); |
| 498 | if (keyId != -1) { |
| 499 | clientId = clientInfo.mClientIds.keyAt(keyId); |
| 500 | } |
| 501 | switch (code) { |
| 502 | case NativeResponseCode.SERVICE_FOUND: |
| 503 | /* NNN uniqueId serviceName regType domain */ |
| 504 | if (DBG) Slog.d(TAG, "SERVICE_FOUND Raw: " + raw); |
| 505 | servInfo = new NsdServiceInfo(cooked[2], cooked[3], null); |
| 506 | clientInfo.mChannel.sendMessage(NsdManager.SERVICE_FOUND, 0, |
| 507 | clientId, servInfo); |
| 508 | break; |
| 509 | case NativeResponseCode.SERVICE_LOST: |
| 510 | /* NNN uniqueId serviceName regType domain */ |
| 511 | if (DBG) Slog.d(TAG, "SERVICE_LOST Raw: " + raw); |
| 512 | servInfo = new NsdServiceInfo(cooked[2], cooked[3], null); |
| 513 | clientInfo.mChannel.sendMessage(NsdManager.SERVICE_LOST, 0, |
| 514 | clientId, servInfo); |
| 515 | break; |
| 516 | case NativeResponseCode.SERVICE_DISCOVERY_FAILED: |
| 517 | /* NNN uniqueId errorCode */ |
| 518 | if (DBG) Slog.d(TAG, "SERVICE_DISC_FAILED Raw: " + raw); |
| 519 | clientInfo.mChannel.sendMessage(NsdManager.DISCOVER_SERVICES_FAILED, |
| 520 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 521 | break; |
| 522 | case NativeResponseCode.SERVICE_REGISTERED: |
| 523 | /* NNN regId serviceName regType */ |
| 524 | if (DBG) Slog.d(TAG, "SERVICE_REGISTERED Raw: " + raw); |
| 525 | servInfo = new NsdServiceInfo(cooked[2], null, null); |
| 526 | clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_SUCCEEDED, |
| 527 | id, clientId, servInfo); |
| 528 | break; |
| 529 | case NativeResponseCode.SERVICE_REGISTRATION_FAILED: |
| 530 | /* NNN regId errorCode */ |
| 531 | if (DBG) Slog.d(TAG, "SERVICE_REGISTER_FAILED Raw: " + raw); |
| 532 | clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_FAILED, |
| 533 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 534 | break; |
| 535 | case NativeResponseCode.SERVICE_UPDATED: |
| 536 | /* NNN regId */ |
| 537 | break; |
| 538 | case NativeResponseCode.SERVICE_UPDATE_FAILED: |
| 539 | /* NNN regId errorCode */ |
| 540 | break; |
| 541 | case NativeResponseCode.SERVICE_RESOLVED: |
| 542 | /* NNN resolveId fullName hostName port txtlen txtdata */ |
| 543 | if (DBG) Slog.d(TAG, "SERVICE_RESOLVED Raw: " + raw); |
| 544 | int index = cooked[2].indexOf("."); |
| 545 | if (index == -1) { |
| 546 | Slog.e(TAG, "Invalid service found " + raw); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 547 | break; |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 548 | } |
| 549 | String name = cooked[2].substring(0, index); |
| 550 | String rest = cooked[2].substring(index); |
| 551 | String type = rest.replace(".local.", ""); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 552 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 553 | clientInfo.mResolvedService.setServiceName(name); |
| 554 | clientInfo.mResolvedService.setServiceType(type); |
| 555 | clientInfo.mResolvedService.setPort(Integer.parseInt(cooked[4])); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 556 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 557 | stopResolveService(id); |
| 558 | if (!getAddrInfo(id, cooked[3])) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 559 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 560 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 561 | mIdToClientInfoMap.remove(id); |
| 562 | clientInfo.mResolvedService = null; |
| 563 | } |
| 564 | break; |
| 565 | case NativeResponseCode.SERVICE_RESOLUTION_FAILED: |
| 566 | /* NNN resolveId errorCode */ |
| 567 | if (DBG) Slog.d(TAG, "SERVICE_RESOLVE_FAILED Raw: " + raw); |
| 568 | stopResolveService(id); |
| 569 | mIdToClientInfoMap.remove(id); |
| 570 | clientInfo.mResolvedService = null; |
| 571 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 572 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 573 | break; |
| 574 | case NativeResponseCode.SERVICE_GET_ADDR_FAILED: |
| 575 | /* NNN resolveId errorCode */ |
| 576 | stopGetAddrInfo(id); |
| 577 | mIdToClientInfoMap.remove(id); |
| 578 | clientInfo.mResolvedService = null; |
| 579 | if (DBG) Slog.d(TAG, "SERVICE_RESOLVE_FAILED Raw: " + raw); |
| 580 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 581 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 582 | break; |
| 583 | case NativeResponseCode.SERVICE_GET_ADDR_SUCCESS: |
| 584 | /* NNN resolveId hostname ttl addr */ |
| 585 | if (DBG) Slog.d(TAG, "SERVICE_GET_ADDR_SUCCESS Raw: " + raw); |
| 586 | try { |
| 587 | clientInfo.mResolvedService.setHost(InetAddress.getByName(cooked[4])); |
| 588 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_SUCCEEDED, |
| 589 | 0, clientId, clientInfo.mResolvedService); |
| 590 | } catch (java.net.UnknownHostException e) { |
| 591 | clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED, |
| 592 | NsdManager.FAILURE_INTERNAL_ERROR, clientId); |
| 593 | } |
| 594 | stopGetAddrInfo(id); |
| 595 | mIdToClientInfoMap.remove(id); |
| 596 | clientInfo.mResolvedService = null; |
| 597 | break; |
| 598 | default: |
| 599 | break; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 600 | } |
| 601 | } |
| 602 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 603 | private boolean startMDnsDaemon() { |
| 604 | if (DBG) Slog.d(TAG, "startMDnsDaemon"); |
| 605 | try { |
| 606 | mNativeConnector.execute("mdnssd", "start-service"); |
| 607 | } catch(NativeDaemonConnectorException e) { |
| 608 | Slog.e(TAG, "Failed to start daemon" + e); |
| 609 | return false; |
| 610 | } |
| 611 | return true; |
| 612 | } |
| 613 | |
| 614 | private boolean stopMDnsDaemon() { |
| 615 | if (DBG) Slog.d(TAG, "stopMDnsDaemon"); |
| 616 | try { |
| 617 | mNativeConnector.execute("mdnssd", "stop-service"); |
| 618 | } catch(NativeDaemonConnectorException e) { |
| 619 | Slog.e(TAG, "Failed to start daemon" + e); |
| 620 | return false; |
| 621 | } |
| 622 | return true; |
| 623 | } |
| 624 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 625 | private boolean registerService(int regId, NsdServiceInfo service) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 626 | if (DBG) Slog.d(TAG, "registerService: " + regId + " " + service); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 627 | try { |
| 628 | //Add txtlen and txtdata |
| 629 | mNativeConnector.execute("mdnssd", "register", regId, service.getServiceName(), |
| 630 | service.getServiceType(), service.getPort()); |
| 631 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 632 | Slog.e(TAG, "Failed to execute registerService " + e); |
| 633 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 634 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 635 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 636 | } |
| 637 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 638 | private boolean unregisterService(int regId) { |
| 639 | if (DBG) Slog.d(TAG, "unregisterService: " + regId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 640 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 641 | mNativeConnector.execute("mdnssd", "stop-register", regId); |
| 642 | } catch(NativeDaemonConnectorException e) { |
| 643 | Slog.e(TAG, "Failed to execute unregisterService " + e); |
| 644 | return false; |
| 645 | } |
| 646 | return true; |
| 647 | } |
| 648 | |
| 649 | private boolean updateService(int regId, DnsSdTxtRecord t) { |
| 650 | if (DBG) Slog.d(TAG, "updateService: " + regId + " " + t); |
| 651 | try { |
| 652 | if (t == null) return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 653 | mNativeConnector.execute("mdnssd", "update", regId, t.size(), t.getRawData()); |
| 654 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 655 | Slog.e(TAG, "Failed to updateServices " + e); |
| 656 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 657 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 658 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 659 | } |
| 660 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 661 | private boolean discoverServices(int discoveryId, String serviceType) { |
| 662 | if (DBG) Slog.d(TAG, "discoverServices: " + discoveryId + " " + serviceType); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 663 | try { |
| 664 | mNativeConnector.execute("mdnssd", "discover", discoveryId, serviceType); |
| 665 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 666 | Slog.e(TAG, "Failed to discoverServices " + e); |
| 667 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 668 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 669 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 670 | } |
| 671 | |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 672 | private boolean stopServiceDiscovery(int discoveryId) { |
| 673 | if (DBG) Slog.d(TAG, "stopServiceDiscovery: " + discoveryId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 674 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 675 | mNativeConnector.execute("mdnssd", "stop-discover", discoveryId); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 676 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 677 | Slog.e(TAG, "Failed to stopServiceDiscovery " + e); |
| 678 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 679 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 680 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 681 | } |
| 682 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 683 | private boolean resolveService(int resolveId, NsdServiceInfo service) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 684 | if (DBG) Slog.d(TAG, "resolveService: " + resolveId + " " + service); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 685 | try { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 686 | mNativeConnector.execute("mdnssd", "resolve", resolveId, service.getServiceName(), |
| 687 | service.getServiceType(), "local."); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 688 | } catch(NativeDaemonConnectorException e) { |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 689 | Slog.e(TAG, "Failed to resolveService " + e); |
| 690 | return false; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 691 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 692 | return true; |
| 693 | } |
| 694 | |
| 695 | private boolean stopResolveService(int resolveId) { |
| 696 | if (DBG) Slog.d(TAG, "stopResolveService: " + resolveId); |
| 697 | try { |
| 698 | mNativeConnector.execute("mdnssd", "stop-resolve", resolveId); |
| 699 | } catch(NativeDaemonConnectorException e) { |
| 700 | Slog.e(TAG, "Failed to stop resolve " + e); |
| 701 | return false; |
| 702 | } |
| 703 | return true; |
| 704 | } |
| 705 | |
| 706 | private boolean getAddrInfo(int resolveId, String hostname) { |
| 707 | if (DBG) Slog.d(TAG, "getAdddrInfo: " + resolveId); |
| 708 | try { |
| 709 | mNativeConnector.execute("mdnssd", "getaddrinfo", resolveId, hostname); |
| 710 | } catch(NativeDaemonConnectorException e) { |
| 711 | Slog.e(TAG, "Failed to getAddrInfo " + e); |
| 712 | return false; |
| 713 | } |
| 714 | return true; |
| 715 | } |
| 716 | |
| 717 | private boolean stopGetAddrInfo(int resolveId) { |
| 718 | if (DBG) Slog.d(TAG, "stopGetAdddrInfo: " + resolveId); |
| 719 | try { |
| 720 | mNativeConnector.execute("mdnssd", "stop-getaddrinfo", resolveId); |
| 721 | } catch(NativeDaemonConnectorException e) { |
| 722 | Slog.e(TAG, "Failed to stopGetAddrInfo " + e); |
| 723 | return false; |
| 724 | } |
| 725 | return true; |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 726 | } |
| 727 | |
| 728 | @Override |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 729 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 730 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 731 | != PackageManager.PERMISSION_GRANTED) { |
| 732 | pw.println("Permission Denial: can't dump ServiceDiscoverService from from pid=" |
| 733 | + Binder.getCallingPid() |
| 734 | + ", uid=" + Binder.getCallingUid()); |
| 735 | return; |
| 736 | } |
| 737 | |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 738 | for (ClientInfo client : mClients.values()) { |
| 739 | pw.println("Client Info"); |
| 740 | pw.println(client); |
| 741 | } |
| 742 | |
| 743 | mNsdStateMachine.dump(fd, pw, args); |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 744 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 745 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 746 | /* arg2 on the source message has an id that needs to be retained in replies |
| 747 | * see NsdManager for details */ |
| 748 | private Message obtainMessage(Message srcMsg) { |
| 749 | Message msg = Message.obtain(); |
| 750 | msg.arg2 = srcMsg.arg2; |
| 751 | return msg; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 752 | } |
| 753 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 754 | private void replyToMessage(Message msg, int what) { |
| 755 | if (msg.replyTo == null) return; |
| 756 | Message dstMsg = obtainMessage(msg); |
| 757 | dstMsg.what = what; |
| 758 | mReplyChannel.replyToMessage(msg, dstMsg); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 759 | } |
| 760 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 761 | private void replyToMessage(Message msg, int what, int arg1) { |
| 762 | if (msg.replyTo == null) return; |
| 763 | Message dstMsg = obtainMessage(msg); |
| 764 | dstMsg.what = what; |
| 765 | dstMsg.arg1 = arg1; |
| 766 | mReplyChannel.replyToMessage(msg, dstMsg); |
| 767 | } |
| 768 | |
| 769 | private void replyToMessage(Message msg, int what, Object obj) { |
| 770 | if (msg.replyTo == null) return; |
| 771 | Message dstMsg = obtainMessage(msg); |
| 772 | dstMsg.what = what; |
| 773 | dstMsg.obj = obj; |
| 774 | mReplyChannel.replyToMessage(msg, dstMsg); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | /* Information tracked per client */ |
| 778 | private class ClientInfo { |
| 779 | |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 780 | private static final int MAX_LIMIT = 10; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 781 | private AsyncChannel mChannel; |
| 782 | private Messenger mMessenger; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 783 | /* Remembers a resolved service until getaddrinfo completes */ |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 784 | private NsdServiceInfo mResolvedService; |
| 785 | |
| 786 | /* A map from client id to unique id sent to mDns */ |
| 787 | private SparseArray<Integer> mClientIds = new SparseArray<Integer>(); |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 788 | |
| 789 | private ClientInfo(AsyncChannel c, Messenger m) { |
| 790 | mChannel = c; |
| 791 | mMessenger = m; |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 792 | if (DBG) Slog.d(TAG, "New client, channel: " + c + " messenger: " + m); |
| 793 | } |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 794 | |
| 795 | @Override |
| 796 | public String toString() { |
| 797 | StringBuffer sb = new StringBuffer(); |
| 798 | sb.append("mChannel ").append(mChannel).append("\n"); |
| 799 | sb.append("mMessenger ").append(mMessenger).append("\n"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 800 | sb.append("mResolvedService ").append(mResolvedService).append("\n"); |
Irfan Sheriff | 22af38c | 2012-05-03 16:44:27 -0700 | [diff] [blame^] | 801 | for(int i = 0; i< mClientIds.size(); i++) { |
| 802 | sb.append("clientId ").append(mClientIds.keyAt(i)); |
| 803 | sb.append(" mDnsId ").append(mClientIds.valueAt(i)).append("\n"); |
Irfan Sheriff | 3ef889b | 2012-04-17 23:15:29 -0700 | [diff] [blame] | 804 | } |
| 805 | return sb.toString(); |
| 806 | } |
Irfan Sheriff | 817388e | 2012-04-11 14:52:19 -0700 | [diff] [blame] | 807 | } |
Irfan Sheriff | 7d024d3 | 2012-03-22 17:01:39 -0700 | [diff] [blame] | 808 | } |