Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 android.bluetooth; |
| 18 | |
| 19 | import android.bluetooth.BluetoothAdapter; |
| 20 | import android.bluetooth.BluetoothDevice; |
| 21 | import android.bluetooth.BluetoothProfile; |
| 22 | import android.bluetooth.BluetoothProfile.ServiceListener; |
| 23 | import android.bluetooth.IBluetoothManager; |
| 24 | import android.bluetooth.IBluetoothStateChangeCallback; |
| 25 | |
| 26 | import android.content.ComponentName; |
| 27 | import android.content.Context; |
| 28 | import android.content.Intent; |
| 29 | import android.content.ServiceConnection; |
| 30 | import android.os.IBinder; |
| 31 | import android.os.ParcelUuid; |
| 32 | import android.os.RemoteException; |
| 33 | import android.os.ServiceManager; |
| 34 | import android.util.Log; |
| 35 | |
| 36 | import java.util.ArrayList; |
| 37 | import java.util.List; |
| 38 | import java.util.UUID; |
| 39 | |
| 40 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 41 | * Public API for the Bluetooth GATT Profile server role. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 42 | * |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 43 | * <p>This class provides Bluetooth GATT server role functionality, |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 44 | * allowing applications to create and advertise Bluetooth Smart services |
| 45 | * and characteristics. |
| 46 | * |
| 47 | * <p>BluetoothGattServer is a proxy object for controlling the Bluetooth Service |
| 48 | * via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get the |
| 49 | * BluetoothGatt proxy object. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 50 | */ |
| 51 | public final class BluetoothGattServer implements BluetoothProfile { |
| 52 | private static final String TAG = "BluetoothGattServer"; |
| 53 | private static final boolean DBG = true; |
| 54 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 55 | private final Context mContext; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 56 | private BluetoothAdapter mAdapter; |
| 57 | private IBluetoothGatt mService; |
| 58 | private BluetoothGattServerCallback mCallback; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 59 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 60 | private Object mServerIfLock = new Object(); |
| 61 | private int mServerIf; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 62 | private List<BluetoothGattService> mServices; |
| 63 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 64 | private static final int CALLBACK_REG_TIMEOUT = 10000; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 65 | |
| 66 | /** |
| 67 | * Bluetooth GATT interface callbacks |
| 68 | */ |
| 69 | private final IBluetoothGattServerCallback mBluetoothGattServerCallback = |
| 70 | new IBluetoothGattServerCallback.Stub() { |
| 71 | /** |
| 72 | * Application interface registered - app is ready to go |
| 73 | * @hide |
| 74 | */ |
| 75 | public void onServerRegistered(int status, int serverIf) { |
| 76 | if (DBG) Log.d(TAG, "onServerRegistered() - status=" + status |
| 77 | + " serverIf=" + serverIf); |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 78 | synchronized(mServerIfLock) { |
| 79 | if (mCallback != null) { |
| 80 | mServerIf = serverIf; |
| 81 | mServerIfLock.notify(); |
| 82 | } else { |
| 83 | // registration timeout |
| 84 | Log.e(TAG, "onServerRegistered: mCallback is null"); |
| 85 | } |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 86 | } |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Callback reporting an LE scan result. |
| 91 | * @hide |
| 92 | */ |
| 93 | public void onScanResult(String address, int rssi, byte[] advData) { |
| 94 | if (DBG) Log.d(TAG, "onScanResult() - Device=" + address + " RSSI=" +rssi); |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 95 | // no op |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Server connection state changed |
| 100 | * @hide |
| 101 | */ |
| 102 | public void onServerConnectionState(int status, int serverIf, |
| 103 | boolean connected, String address) { |
| 104 | if (DBG) Log.d(TAG, "onServerConnectionState() - status=" + status |
| 105 | + " serverIf=" + serverIf + " device=" + address); |
| 106 | try { |
| 107 | mCallback.onConnectionStateChange(mAdapter.getRemoteDevice(address), status, |
| 108 | connected ? BluetoothProfile.STATE_CONNECTED : |
| 109 | BluetoothProfile.STATE_DISCONNECTED); |
| 110 | } catch (Exception ex) { |
Mike Lockwood | 0998ff1 | 2013-05-13 14:04:12 -0700 | [diff] [blame] | 111 | Log.w(TAG, "Unhandled exception in callback", ex); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 112 | } |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Service has been added |
| 117 | * @hide |
| 118 | */ |
| 119 | public void onServiceAdded(int status, int srvcType, |
| 120 | int srvcInstId, ParcelUuid srvcId) { |
| 121 | UUID srvcUuid = srvcId.getUuid(); |
| 122 | if (DBG) Log.d(TAG, "onServiceAdded() - service=" + srvcUuid |
| 123 | + "status=" + status); |
| 124 | |
| 125 | BluetoothGattService service = getService(srvcUuid, srvcInstId, srvcType); |
| 126 | if (service == null) return; |
| 127 | |
| 128 | try { |
| 129 | mCallback.onServiceAdded((int)status, service); |
| 130 | } catch (Exception ex) { |
Mike Lockwood | 0998ff1 | 2013-05-13 14:04:12 -0700 | [diff] [blame] | 131 | Log.w(TAG, "Unhandled exception in callback", ex); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 132 | } |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Remote client characteristic read request. |
| 137 | * @hide |
| 138 | */ |
| 139 | public void onCharacteristicReadRequest(String address, int transId, |
| 140 | int offset, boolean isLong, int srvcType, int srvcInstId, |
| 141 | ParcelUuid srvcId, int charInstId, ParcelUuid charId) { |
| 142 | UUID srvcUuid = srvcId.getUuid(); |
| 143 | UUID charUuid = charId.getUuid(); |
| 144 | if (DBG) Log.d(TAG, "onCharacteristicReadRequest() - " |
| 145 | + "service=" + srvcUuid + ", characteristic=" + charUuid); |
| 146 | |
| 147 | BluetoothDevice device = mAdapter.getRemoteDevice(address); |
| 148 | BluetoothGattService service = getService(srvcUuid, srvcInstId, srvcType); |
| 149 | if (service == null) return; |
| 150 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 151 | BluetoothGattCharacteristic characteristic = service.getCharacteristic(charUuid); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 152 | if (characteristic == null) return; |
| 153 | |
| 154 | try { |
| 155 | mCallback.onCharacteristicReadRequest(device, transId, offset, characteristic); |
| 156 | } catch (Exception ex) { |
Mike Lockwood | 0998ff1 | 2013-05-13 14:04:12 -0700 | [diff] [blame] | 157 | Log.w(TAG, "Unhandled exception in callback", ex); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 158 | } |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Remote client descriptor read request. |
| 163 | * @hide |
| 164 | */ |
| 165 | public void onDescriptorReadRequest(String address, int transId, |
| 166 | int offset, boolean isLong, int srvcType, int srvcInstId, |
| 167 | ParcelUuid srvcId, int charInstId, ParcelUuid charId, |
| 168 | ParcelUuid descrId) { |
| 169 | UUID srvcUuid = srvcId.getUuid(); |
| 170 | UUID charUuid = charId.getUuid(); |
| 171 | UUID descrUuid = descrId.getUuid(); |
| 172 | if (DBG) Log.d(TAG, "onCharacteristicReadRequest() - " |
| 173 | + "service=" + srvcUuid + ", characteristic=" + charUuid |
| 174 | + "descriptor=" + descrUuid); |
| 175 | |
| 176 | BluetoothDevice device = mAdapter.getRemoteDevice(address); |
| 177 | BluetoothGattService service = getService(srvcUuid, srvcInstId, srvcType); |
| 178 | if (service == null) return; |
| 179 | |
| 180 | BluetoothGattCharacteristic characteristic = service.getCharacteristic(charUuid); |
| 181 | if (characteristic == null) return; |
| 182 | |
| 183 | BluetoothGattDescriptor descriptor = characteristic.getDescriptor(descrUuid); |
| 184 | if (descriptor == null) return; |
| 185 | |
| 186 | try { |
| 187 | mCallback.onDescriptorReadRequest(device, transId, offset, descriptor); |
| 188 | } catch (Exception ex) { |
Mike Lockwood | 0998ff1 | 2013-05-13 14:04:12 -0700 | [diff] [blame] | 189 | Log.w(TAG, "Unhandled exception in callback", ex); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 190 | } |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Remote client characteristic write request. |
| 195 | * @hide |
| 196 | */ |
| 197 | public void onCharacteristicWriteRequest(String address, int transId, |
| 198 | int offset, int length, boolean isPrep, boolean needRsp, |
| 199 | int srvcType, int srvcInstId, ParcelUuid srvcId, |
| 200 | int charInstId, ParcelUuid charId, byte[] value) { |
| 201 | UUID srvcUuid = srvcId.getUuid(); |
| 202 | UUID charUuid = charId.getUuid(); |
| 203 | if (DBG) Log.d(TAG, "onCharacteristicWriteRequest() - " |
| 204 | + "service=" + srvcUuid + ", characteristic=" + charUuid); |
| 205 | |
| 206 | BluetoothDevice device = mAdapter.getRemoteDevice(address); |
| 207 | BluetoothGattService service = getService(srvcUuid, srvcInstId, srvcType); |
| 208 | if (service == null) return; |
| 209 | |
| 210 | BluetoothGattCharacteristic characteristic = service.getCharacteristic(charUuid); |
| 211 | if (characteristic == null) return; |
| 212 | |
| 213 | try { |
| 214 | mCallback.onCharacteristicWriteRequest(device, transId, characteristic, |
| 215 | isPrep, needRsp, offset, value); |
| 216 | } catch (Exception ex) { |
Mike Lockwood | 0998ff1 | 2013-05-13 14:04:12 -0700 | [diff] [blame] | 217 | Log.w(TAG, "Unhandled exception in callback", ex); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Remote client descriptor write request. |
| 224 | * @hide |
| 225 | */ |
| 226 | public void onDescriptorWriteRequest(String address, int transId, |
| 227 | int offset, int length, boolean isPrep, boolean needRsp, |
| 228 | int srvcType, int srvcInstId, ParcelUuid srvcId, |
| 229 | int charInstId, ParcelUuid charId, ParcelUuid descrId, |
| 230 | byte[] value) { |
| 231 | UUID srvcUuid = srvcId.getUuid(); |
| 232 | UUID charUuid = charId.getUuid(); |
| 233 | UUID descrUuid = descrId.getUuid(); |
| 234 | if (DBG) Log.d(TAG, "onDescriptorWriteRequest() - " |
| 235 | + "service=" + srvcUuid + ", characteristic=" + charUuid |
| 236 | + "descriptor=" + descrUuid); |
| 237 | |
| 238 | BluetoothDevice device = mAdapter.getRemoteDevice(address); |
| 239 | |
| 240 | BluetoothGattService service = getService(srvcUuid, srvcInstId, srvcType); |
| 241 | if (service == null) return; |
| 242 | |
| 243 | BluetoothGattCharacteristic characteristic = service.getCharacteristic(charUuid); |
| 244 | if (characteristic == null) return; |
| 245 | |
| 246 | BluetoothGattDescriptor descriptor = characteristic.getDescriptor(descrUuid); |
| 247 | if (descriptor == null) return; |
| 248 | |
| 249 | try { |
| 250 | mCallback.onDescriptorWriteRequest(device, transId, descriptor, |
| 251 | isPrep, needRsp, offset, value); |
| 252 | } catch (Exception ex) { |
Mike Lockwood | 0998ff1 | 2013-05-13 14:04:12 -0700 | [diff] [blame] | 253 | Log.w(TAG, "Unhandled exception in callback", ex); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 254 | } |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * Execute pending writes. |
| 259 | * @hide |
| 260 | */ |
| 261 | public void onExecuteWrite(String address, int transId, |
| 262 | boolean execWrite) { |
| 263 | if (DBG) Log.d(TAG, "onExecuteWrite() - " |
| 264 | + "device=" + address + ", transId=" + transId |
| 265 | + "execWrite=" + execWrite); |
| 266 | |
| 267 | BluetoothDevice device = mAdapter.getRemoteDevice(address); |
| 268 | if (device == null) return; |
| 269 | |
| 270 | try { |
| 271 | mCallback.onExecuteWrite(device, transId, execWrite); |
| 272 | } catch (Exception ex) { |
Mike Lockwood | 0998ff1 | 2013-05-13 14:04:12 -0700 | [diff] [blame] | 273 | Log.w(TAG, "Unhandled exception in callback", ex); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 274 | } |
| 275 | } |
| 276 | }; |
| 277 | |
| 278 | /** |
| 279 | * Create a BluetoothGattServer proxy object. |
| 280 | */ |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 281 | /*package*/ BluetoothGattServer(Context context, IBluetoothGatt iGatt) { |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 282 | mContext = context; |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 283 | mService = iGatt; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 284 | mAdapter = BluetoothAdapter.getDefaultAdapter(); |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 285 | mCallback = null; |
| 286 | mServerIf = 0; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 287 | mServices = new ArrayList<BluetoothGattService>(); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | /** |
Andre Eisenbach | 3b64f38 | 2013-04-05 09:34:11 -0700 | [diff] [blame] | 291 | * Close this GATT server instance. |
Matthew Xie | b30f91e | 2013-05-29 10:19:06 -0700 | [diff] [blame] | 292 | * |
| 293 | * Application should call this method as early as possible after it is done with |
| 294 | * this GATT server. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 295 | */ |
Andre Eisenbach | 3b64f38 | 2013-04-05 09:34:11 -0700 | [diff] [blame] | 296 | public void close() { |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 297 | if (DBG) Log.d(TAG, "close()"); |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 298 | unregisterCallback(); |
| 299 | } |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 300 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 301 | /** |
| 302 | * Register an application callback to start using GattServer. |
| 303 | * |
| 304 | * <p>This is an asynchronous call. The callback is used to notify |
| 305 | * success or failure if the function returns true. |
| 306 | * |
| 307 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 308 | * |
| 309 | * @param callback GATT callback handler that will receive asynchronous |
| 310 | * callbacks. |
| 311 | * @return true, the callback will be called to notify success or failure, |
| 312 | * false on immediate error |
| 313 | */ |
| 314 | /*package*/ boolean registerCallback(BluetoothGattServerCallback callback) { |
| 315 | if (DBG) Log.d(TAG, "registerCallback()"); |
| 316 | if (mService == null) { |
| 317 | Log.e(TAG, "GATT service not available"); |
| 318 | return false; |
| 319 | } |
| 320 | UUID uuid = UUID.randomUUID(); |
| 321 | if (DBG) Log.d(TAG, "registerCallback() - UUID=" + uuid); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 322 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 323 | synchronized(mServerIfLock) { |
| 324 | if (mCallback != null) { |
| 325 | Log.e(TAG, "App can register callback only once"); |
| 326 | return false; |
| 327 | } |
| 328 | |
| 329 | mCallback = callback; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 330 | try { |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 331 | mService.registerServer(new ParcelUuid(uuid), mBluetoothGattServerCallback); |
| 332 | } catch (RemoteException e) { |
| 333 | Log.e(TAG,"",e); |
| 334 | mCallback = null; |
| 335 | return false; |
| 336 | } |
| 337 | |
| 338 | try { |
| 339 | mServerIfLock.wait(CALLBACK_REG_TIMEOUT); |
| 340 | } catch (InterruptedException e) { |
| 341 | Log.e(TAG, "" + e); |
| 342 | mCallback = null; |
| 343 | } |
| 344 | |
| 345 | if (mServerIf == 0) { |
| 346 | mCallback = null; |
| 347 | return false; |
| 348 | } else { |
| 349 | return true; |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 350 | } |
| 351 | } |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 352 | } |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 353 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 354 | /** |
| 355 | * Unregister the current application and callbacks. |
| 356 | */ |
| 357 | private void unregisterCallback() { |
| 358 | if (DBG) Log.d(TAG, "unregisterCallback() - mServerIf=" + mServerIf); |
| 359 | if (mService == null || mServerIf == 0) return; |
| 360 | |
| 361 | try { |
| 362 | mCallback = null; |
| 363 | mService.unregisterServer(mServerIf); |
| 364 | mServerIf = 0; |
| 365 | } catch (RemoteException e) { |
| 366 | Log.e(TAG,"",e); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 367 | } |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Returns a service by UUID, instance and type. |
| 372 | * @hide |
| 373 | */ |
| 374 | /*package*/ BluetoothGattService getService(UUID uuid, int instanceId, int type) { |
| 375 | for(BluetoothGattService svc : mServices) { |
| 376 | if (svc.getType() == type && |
| 377 | svc.getInstanceId() == instanceId && |
| 378 | svc.getUuid().equals(uuid)) { |
| 379 | return svc; |
| 380 | } |
| 381 | } |
| 382 | return null; |
| 383 | } |
| 384 | |
| 385 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 386 | * Initiate a connection to a Bluetooth GATT capable device. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 387 | * |
| 388 | * <p>The connection may not be established right away, but will be |
| 389 | * completed when the remote device is available. A |
Andre Eisenbach | 3f36660 | 2013-03-08 18:42:24 -0800 | [diff] [blame] | 390 | * {@link BluetoothGattServerCallback#onConnectionStateChange} callback will be |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 391 | * invoked when the connection state changes as a result of this function. |
| 392 | * |
| 393 | * <p>The autoConnect paramter determines whether to actively connect to |
| 394 | * the remote device, or rather passively scan and finalize the connection |
| 395 | * when the remote device is in range/available. Generally, the first ever |
| 396 | * connection to a device should be direct (autoConnect set to false) and |
| 397 | * subsequent connections to known devices should be invoked with the |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 398 | * autoConnect parameter set to true. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 399 | * |
| 400 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 401 | * |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 402 | * @param autoConnect Whether to directly connect to the remote device (false) |
| 403 | * or to automatically connect as soon as the remote |
| 404 | * device becomes available (true). |
| 405 | * @return true, if the connection attempt was initiated successfully |
| 406 | */ |
| 407 | public boolean connect(BluetoothDevice device, boolean autoConnect) { |
Andre Eisenbach | 3f36660 | 2013-03-08 18:42:24 -0800 | [diff] [blame] | 408 | if (DBG) Log.d(TAG, "connect() - device: " + device.getAddress() + ", auto: " + autoConnect); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 409 | if (mService == null || mServerIf == 0) return false; |
| 410 | |
| 411 | try { |
| 412 | mService.serverConnect(mServerIf, device.getAddress(), |
| 413 | autoConnect ? false : true); // autoConnect is inverse of "isDirect" |
| 414 | } catch (RemoteException e) { |
| 415 | Log.e(TAG,"",e); |
| 416 | return false; |
| 417 | } |
| 418 | |
| 419 | return true; |
| 420 | } |
| 421 | |
| 422 | /** |
| 423 | * Disconnects an established connection, or cancels a connection attempt |
| 424 | * currently in progress. |
| 425 | * |
| 426 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 427 | * |
| 428 | * @param device Remote device |
| 429 | */ |
| 430 | public void cancelConnection(BluetoothDevice device) { |
| 431 | if (DBG) Log.d(TAG, "cancelConnection() - device: " + device.getAddress()); |
| 432 | if (mService == null || mServerIf == 0) return; |
| 433 | |
| 434 | try { |
| 435 | mService.serverDisconnect(mServerIf, device.getAddress()); |
| 436 | } catch (RemoteException e) { |
| 437 | Log.e(TAG,"",e); |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * Send a response to a read or write request to a remote device. |
| 443 | * |
| 444 | * <p>This function must be invoked in when a remote read/write request |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 445 | * is received by one of these callback methods: |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 446 | * |
| 447 | * <ul> |
| 448 | * <li>{@link BluetoothGattServerCallback#onCharacteristicReadRequest} |
| 449 | * <li>{@link BluetoothGattServerCallback#onCharacteristicWriteRequest} |
| 450 | * <li>{@link BluetoothGattServerCallback#onDescriptorReadRequest} |
| 451 | * <li>{@link BluetoothGattServerCallback#onDescriptorWriteRequest} |
| 452 | * </ul> |
| 453 | * |
| 454 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 455 | * |
| 456 | * @param device The remote device to send this response to |
| 457 | * @param requestId The ID of the request that was received with the callback |
| 458 | * @param status The status of the request to be sent to the remote devices |
| 459 | * @param offset Value offset for partial read/write response |
| 460 | * @param value The value of the attribute that was read/written (optional) |
| 461 | */ |
| 462 | public boolean sendResponse(BluetoothDevice device, int requestId, |
| 463 | int status, int offset, byte[] value) { |
| 464 | if (DBG) Log.d(TAG, "sendResponse() - device: " + device.getAddress()); |
| 465 | if (mService == null || mServerIf == 0) return false; |
| 466 | |
| 467 | try { |
| 468 | mService.sendResponse(mServerIf, device.getAddress(), requestId, |
| 469 | status, offset, value); |
| 470 | } catch (RemoteException e) { |
| 471 | Log.e(TAG,"",e); |
| 472 | return false; |
| 473 | } |
| 474 | return true; |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * Send a notification or indication that a local characteristic has been |
| 479 | * updated. |
| 480 | * |
| 481 | * <p>A notification or indication is sent to the remote device to signal |
| 482 | * that the characteristic has been updated. This function should be invoked |
| 483 | * for every client that requests notifications/indications by writing |
| 484 | * to the "Client Configuration" descriptor for the given characteristic. |
| 485 | * |
| 486 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 487 | * |
| 488 | * @param device The remote device to receive the notification/indication |
| 489 | * @param characteristic The local characteristic that has been updated |
| 490 | * @param confirm true to request confirmation from the client (indication), |
| 491 | * false to send a notification |
| 492 | * @return true, if the notification has been triggered successfully |
| 493 | */ |
| 494 | public boolean notifyCharacteristicChanged(BluetoothDevice device, |
| 495 | BluetoothGattCharacteristic characteristic, boolean confirm) { |
| 496 | if (DBG) Log.d(TAG, "notifyCharacteristicChanged() - device: " + device.getAddress()); |
| 497 | if (mService == null || mServerIf == 0) return false; |
| 498 | |
| 499 | BluetoothGattService service = characteristic.getService(); |
| 500 | if (service == null) return false; |
| 501 | |
| 502 | try { |
| 503 | mService.sendNotification(mServerIf, device.getAddress(), |
| 504 | service.getType(), service.getInstanceId(), |
| 505 | new ParcelUuid(service.getUuid()), characteristic.getInstanceId(), |
| 506 | new ParcelUuid(characteristic.getUuid()), confirm, |
| 507 | characteristic.getValue()); |
| 508 | } catch (RemoteException e) { |
| 509 | Log.e(TAG,"",e); |
| 510 | return false; |
| 511 | } |
| 512 | |
| 513 | return true; |
| 514 | } |
| 515 | |
| 516 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 517 | * Add a service to the list of services to be hosted. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 518 | * |
| 519 | * <p>Once a service has been addded to the the list, the service and it's |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 520 | * included characteristics will be provided by the local device. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 521 | * |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 522 | * <p>If the local device has already exposed services when this function |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 523 | * is called, a service update notification will be sent to all clients. |
| 524 | * |
| 525 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 526 | * |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 527 | * @param service Service to be added to the list of services provided |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 528 | * by this device. |
| 529 | * @return true, if the service has been added successfully |
| 530 | */ |
| 531 | public boolean addService(BluetoothGattService service) { |
| 532 | if (DBG) Log.d(TAG, "addService() - service: " + service.getUuid()); |
| 533 | if (mService == null || mServerIf == 0) return false; |
| 534 | |
| 535 | mServices.add(service); |
| 536 | |
| 537 | try { |
| 538 | mService.beginServiceDeclaration(mServerIf, service.getType(), |
| 539 | service.getInstanceId(), service.getHandles(), |
Wei Wang | 86b3fa6 | 2013-10-29 21:05:37 -0700 | [diff] [blame] | 540 | new ParcelUuid(service.getUuid()), service.isAdvertisePreferred()); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 541 | |
| 542 | List<BluetoothGattService> includedServices = service.getIncludedServices(); |
| 543 | for (BluetoothGattService includedService : includedServices) { |
| 544 | mService.addIncludedService(mServerIf, |
| 545 | includedService.getType(), |
| 546 | includedService.getInstanceId(), |
| 547 | new ParcelUuid(includedService.getUuid())); |
| 548 | } |
| 549 | |
| 550 | List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics(); |
| 551 | for (BluetoothGattCharacteristic characteristic : characteristics) { |
| 552 | int permission = ((characteristic.getKeySize() - 7) << 12) |
| 553 | + characteristic.getPermissions(); |
| 554 | mService.addCharacteristic(mServerIf, |
| 555 | new ParcelUuid(characteristic.getUuid()), |
| 556 | characteristic.getProperties(), permission); |
| 557 | |
| 558 | List<BluetoothGattDescriptor> descriptors = characteristic.getDescriptors(); |
| 559 | for (BluetoothGattDescriptor descriptor: descriptors) { |
Andre Eisenbach | 6f0ed12 | 2013-04-03 14:26:43 -0700 | [diff] [blame] | 560 | permission = ((characteristic.getKeySize() - 7) << 12) |
| 561 | + descriptor.getPermissions(); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 562 | mService.addDescriptor(mServerIf, |
Andre Eisenbach | 6f0ed12 | 2013-04-03 14:26:43 -0700 | [diff] [blame] | 563 | new ParcelUuid(descriptor.getUuid()), permission); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 564 | } |
| 565 | } |
| 566 | |
| 567 | mService.endServiceDeclaration(mServerIf); |
| 568 | } catch (RemoteException e) { |
| 569 | Log.e(TAG,"",e); |
| 570 | return false; |
| 571 | } |
| 572 | |
| 573 | return true; |
| 574 | } |
| 575 | |
| 576 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 577 | * Removes a service from the list of services to be provided. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 578 | * |
| 579 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 580 | * |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 581 | * @param service Service to be removed. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 582 | * @return true, if the service has been removed |
| 583 | */ |
| 584 | public boolean removeService(BluetoothGattService service) { |
| 585 | if (DBG) Log.d(TAG, "removeService() - service: " + service.getUuid()); |
| 586 | if (mService == null || mServerIf == 0) return false; |
| 587 | |
| 588 | BluetoothGattService intService = getService(service.getUuid(), |
| 589 | service.getInstanceId(), service.getType()); |
| 590 | if (intService == null) return false; |
| 591 | |
| 592 | try { |
| 593 | mService.removeService(mServerIf, service.getType(), |
| 594 | service.getInstanceId(), new ParcelUuid(service.getUuid())); |
| 595 | mServices.remove(intService); |
| 596 | } catch (RemoteException e) { |
| 597 | Log.e(TAG,"",e); |
| 598 | return false; |
| 599 | } |
| 600 | |
| 601 | return true; |
| 602 | } |
| 603 | |
| 604 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 605 | * Remove all services from the list of provided services. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 606 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 607 | */ |
| 608 | public void clearServices() { |
| 609 | if (DBG) Log.d(TAG, "clearServices()"); |
| 610 | if (mService == null || mServerIf == 0) return; |
| 611 | |
| 612 | try { |
| 613 | mService.clearServices(mServerIf); |
| 614 | mServices.clear(); |
| 615 | } catch (RemoteException e) { |
| 616 | Log.e(TAG,"",e); |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 621 | * Returns a list of GATT services offered by this device. |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 622 | * |
| 623 | * <p>An application must call {@link #addService} to add a serice to the |
| 624 | * list of services offered by this device. |
| 625 | * |
| 626 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 627 | * |
| 628 | * @return List of services. Returns an empty list |
| 629 | * if no services have been added yet. |
| 630 | */ |
| 631 | public List<BluetoothGattService> getServices() { |
| 632 | return mServices; |
| 633 | } |
| 634 | |
| 635 | /** |
| 636 | * Returns a {@link BluetoothGattService} from the list of services offered |
| 637 | * by this device. |
| 638 | * |
| 639 | * <p>If multiple instances of the same service (as identified by UUID) |
| 640 | * exist, the first instance of the service is returned. |
| 641 | * |
| 642 | * <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission. |
| 643 | * |
| 644 | * @param uuid UUID of the requested service |
| 645 | * @return BluetoothGattService if supported, or null if the requested |
| 646 | * service is not offered by this device. |
| 647 | */ |
| 648 | public BluetoothGattService getService(UUID uuid) { |
| 649 | for (BluetoothGattService service : mServices) { |
| 650 | if (service.getUuid().equals(uuid)) { |
| 651 | return service; |
| 652 | } |
| 653 | } |
| 654 | |
| 655 | return null; |
| 656 | } |
| 657 | |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 658 | |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 659 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 660 | * Not supported - please use {@link BluetoothManager#getConnectedDevices(int)} |
| 661 | * with {@link BluetoothProfile#GATT} as argument |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 662 | * |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 663 | * @throws UnsupportedOperationException |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 664 | */ |
| 665 | @Override |
| 666 | public int getConnectionState(BluetoothDevice device) { |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 667 | throw new UnsupportedOperationException("Use BluetoothManager#getConnectionState instead."); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 671 | * Not supported - please use {@link BluetoothManager#getConnectedDevices(int)} |
| 672 | * with {@link BluetoothProfile#GATT} as argument |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 673 | * |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 674 | * @throws UnsupportedOperationException |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 675 | */ |
| 676 | @Override |
| 677 | public List<BluetoothDevice> getConnectedDevices() { |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 678 | throw new UnsupportedOperationException |
| 679 | ("Use BluetoothManager#getConnectedDevices instead."); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 680 | } |
| 681 | |
| 682 | /** |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 683 | * Not supported - please use |
| 684 | * {@link BluetoothManager#getDevicesMatchingConnectionStates(int, int[])} |
| 685 | * with {@link BluetoothProfile#GATT} as first argument |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 686 | * |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 687 | * @throws UnsupportedOperationException |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 688 | */ |
| 689 | @Override |
| 690 | public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) { |
Matthew Xie | ddf7e47 | 2013-03-01 18:41:02 -0800 | [diff] [blame] | 691 | throw new UnsupportedOperationException |
| 692 | ("Use BluetoothManager#getDevicesMatchingConnectionStates instead."); |
Ganesh Ganapathi Batta | 9908112 | 2013-02-05 15:28:33 -0800 | [diff] [blame] | 693 | } |
| 694 | } |