The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2003-2012 Broadcom Corporation |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | |
| 19 | /****************************************************************************** |
| 20 | * |
| 21 | * This file contains the audio gateway functions performing SDP |
| 22 | * operations. |
| 23 | * |
| 24 | ******************************************************************************/ |
| 25 | |
| 26 | #include <string.h> |
| 27 | #include "bta_api.h" |
| 28 | #include "bta_sys.h" |
| 29 | #include "bta_ag_api.h" |
| 30 | #include "bta_ag_int.h" |
| 31 | #include "sdp_api.h" |
| 32 | #include "btm_api.h" |
| 33 | #include "gki.h" |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 34 | #include "utl.h" |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 35 | |
| 36 | /* Number of protocol elements in protocol element list. */ |
| 37 | #define BTA_AG_NUM_PROTO_ELEMS 2 |
| 38 | |
| 39 | /* Number of elements in service class id list. */ |
| 40 | #define BTA_AG_NUM_SVC_ELEMS 2 |
| 41 | |
| 42 | /* size of database for service discovery */ |
| 43 | #ifndef BTA_AG_DISC_BUF_SIZE |
| 44 | #define BTA_AG_DISC_BUF_SIZE GKI_MAX_BUF_SIZE |
| 45 | #endif |
| 46 | |
| 47 | /* declare sdp callback functions */ |
| 48 | void bta_ag_sdp_cback_1(UINT16 status); |
| 49 | void bta_ag_sdp_cback_2(UINT16 status); |
| 50 | void bta_ag_sdp_cback_3(UINT16 status); |
| 51 | |
| 52 | /* SDP callback function table */ |
| 53 | typedef tSDP_DISC_CMPL_CB *tBTA_AG_SDP_CBACK; |
| 54 | const tBTA_AG_SDP_CBACK bta_ag_sdp_cback_tbl[] = |
| 55 | { |
| 56 | bta_ag_sdp_cback_1, |
| 57 | bta_ag_sdp_cback_2, |
| 58 | bta_ag_sdp_cback_3 |
| 59 | }; |
| 60 | |
| 61 | /******************************************************************************* |
| 62 | ** |
| 63 | ** Function bta_ag_sdp_cback |
| 64 | ** |
| 65 | ** Description SDP callback function. |
| 66 | ** |
| 67 | ** |
| 68 | ** Returns void |
| 69 | ** |
| 70 | *******************************************************************************/ |
| 71 | static void bta_ag_sdp_cback(UINT16 status, UINT8 idx) |
| 72 | { |
| 73 | tBTA_AG_DISC_RESULT *p_buf; |
| 74 | UINT16 event; |
| 75 | tBTA_AG_SCB *p_scb; |
| 76 | |
Sharvil Nanavati | e8c3d75 | 2014-05-04 10:12:26 -0700 | [diff] [blame^] | 77 | APPL_TRACE_DEBUG("bta_ag_sdp_cback status:0x%x", status); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 78 | |
| 79 | if ((p_scb = bta_ag_scb_by_idx(idx)) != NULL) |
| 80 | { |
| 81 | /* set event according to int/acp */ |
| 82 | if (p_scb->role == BTA_AG_ACP) |
| 83 | { |
| 84 | event = BTA_AG_DISC_ACP_RES_EVT; |
| 85 | } |
| 86 | else |
| 87 | { |
| 88 | event = BTA_AG_DISC_INT_RES_EVT; |
| 89 | } |
| 90 | |
| 91 | if ((p_buf = (tBTA_AG_DISC_RESULT *) GKI_getbuf(sizeof(tBTA_AG_DISC_RESULT))) != NULL) |
| 92 | { |
| 93 | p_buf->hdr.event = event; |
| 94 | p_buf->hdr.layer_specific = idx; |
| 95 | p_buf->status = status; |
| 96 | bta_sys_sendmsg(p_buf); |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | /******************************************************************************* |
| 102 | ** |
| 103 | ** Function bta_ag_sdp_cback_1 to 3 |
| 104 | ** |
| 105 | ** Description SDP callback functions. Since there is no way to |
| 106 | ** distinguish scb from the callback we need separate |
| 107 | ** callbacks for each scb. |
| 108 | ** |
| 109 | ** |
| 110 | ** Returns void |
| 111 | ** |
| 112 | *******************************************************************************/ |
| 113 | void bta_ag_sdp_cback_1(UINT16 status) {bta_ag_sdp_cback(status, 1);} |
| 114 | void bta_ag_sdp_cback_2(UINT16 status) {bta_ag_sdp_cback(status, 2);} |
| 115 | void bta_ag_sdp_cback_3(UINT16 status) {bta_ag_sdp_cback(status, 3);} |
| 116 | |
| 117 | /****************************************************************************** |
| 118 | ** |
| 119 | ** Function bta_ag_add_record |
| 120 | ** |
| 121 | ** Description This function is called by a server application to add |
| 122 | ** HSP or HFP information to an SDP record. Prior to |
| 123 | ** calling this function the application must call |
| 124 | ** SDP_CreateRecord() to create an SDP record. |
| 125 | ** |
| 126 | ** Returns TRUE if function execution succeeded, |
| 127 | ** FALSE if function execution failed. |
| 128 | ** |
| 129 | ******************************************************************************/ |
| 130 | BOOLEAN bta_ag_add_record(UINT16 service_uuid, char *p_service_name, UINT8 scn, |
| 131 | tBTA_AG_FEAT features, UINT32 sdp_handle) |
| 132 | { |
| 133 | tSDP_PROTOCOL_ELEM proto_elem_list[BTA_AG_NUM_PROTO_ELEMS]; |
| 134 | UINT16 svc_class_id_list[BTA_AG_NUM_SVC_ELEMS]; |
| 135 | UINT16 browse_list[] = {UUID_SERVCLASS_PUBLIC_BROWSE_GROUP}; |
| 136 | UINT16 version; |
| 137 | UINT16 profile_uuid; |
| 138 | UINT8 network; |
| 139 | BOOLEAN result = TRUE; |
| 140 | BOOLEAN codec_supported = FALSE; |
| 141 | UINT8 buf[2]; |
| 142 | |
Sharvil Nanavati | e8c3d75 | 2014-05-04 10:12:26 -0700 | [diff] [blame^] | 143 | APPL_TRACE_DEBUG("bta_ag_add_record uuid: %x", service_uuid); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 144 | |
| 145 | memset( proto_elem_list, 0 , BTA_AG_NUM_PROTO_ELEMS*sizeof(tSDP_PROTOCOL_ELEM)); |
| 146 | |
| 147 | /* add the protocol element sequence */ |
| 148 | proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP; |
| 149 | proto_elem_list[0].num_params = 0; |
| 150 | proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_RFCOMM; |
| 151 | proto_elem_list[1].num_params = 1; |
| 152 | proto_elem_list[1].params[0] = scn; |
| 153 | result &= SDP_AddProtocolList(sdp_handle, BTA_AG_NUM_PROTO_ELEMS, proto_elem_list); |
| 154 | |
| 155 | /* add service class id list */ |
| 156 | svc_class_id_list[0] = service_uuid; |
| 157 | svc_class_id_list[1] = UUID_SERVCLASS_GENERIC_AUDIO; |
| 158 | result &= SDP_AddServiceClassIdList(sdp_handle, BTA_AG_NUM_SVC_ELEMS, svc_class_id_list); |
| 159 | |
| 160 | /* add profile descriptor list */ |
| 161 | if (service_uuid == UUID_SERVCLASS_AG_HANDSFREE) |
| 162 | { |
| 163 | profile_uuid = UUID_SERVCLASS_HF_HANDSFREE; |
| 164 | version = HFP_VERSION_1_6; |
| 165 | } |
| 166 | else |
| 167 | { |
| 168 | profile_uuid = UUID_SERVCLASS_HEADSET; |
| 169 | version = HSP_VERSION_1_2; |
| 170 | } |
| 171 | result &= SDP_AddProfileDescriptorList(sdp_handle, profile_uuid, version); |
| 172 | |
| 173 | /* add service name */ |
| 174 | if (p_service_name != NULL && p_service_name[0] != 0) |
| 175 | { |
| 176 | result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SERVICE_NAME, TEXT_STR_DESC_TYPE, |
| 177 | (UINT32)(strlen(p_service_name)+1), (UINT8 *) p_service_name); |
| 178 | } |
| 179 | |
| 180 | /* add features and network */ |
| 181 | if (service_uuid == UUID_SERVCLASS_AG_HANDSFREE) |
| 182 | { |
| 183 | network = (features & BTA_AG_FEAT_REJECT) ? 1 : 0; |
| 184 | result &= SDP_AddAttribute(sdp_handle, ATTR_ID_DATA_STORES_OR_NETWORK, |
| 185 | UINT_DESC_TYPE, 1, &network); |
| 186 | |
| 187 | if (features & BTA_AG_FEAT_CODEC) |
| 188 | codec_supported = TRUE; |
| 189 | |
| 190 | features &= BTA_AG_SDP_FEAT_SPEC; |
| 191 | |
| 192 | /* Codec bit position is different in SDP and in BRSF */ |
| 193 | if (codec_supported) |
| 194 | features |= 0x0020; |
| 195 | |
| 196 | UINT16_TO_BE_FIELD(buf, features); |
| 197 | result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE, 2, buf); |
| 198 | } |
| 199 | |
| 200 | /* add browse group list */ |
| 201 | result &= SDP_AddUuidSequence(sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, browse_list); |
| 202 | |
| 203 | return result; |
| 204 | } |
| 205 | |
| 206 | /******************************************************************************* |
| 207 | ** |
| 208 | ** Function bta_ag_create_records |
| 209 | ** |
| 210 | ** Description Create SDP records for registered services. |
| 211 | ** |
| 212 | ** |
| 213 | ** Returns void |
| 214 | ** |
| 215 | *******************************************************************************/ |
| 216 | void bta_ag_create_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) |
| 217 | { |
| 218 | int i; |
| 219 | tBTA_SERVICE_MASK services; |
| 220 | |
| 221 | services = p_scb->reg_services >> BTA_HSP_SERVICE_ID; |
| 222 | for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++, services >>= 1) |
| 223 | { |
| 224 | /* if service is set in mask */ |
| 225 | if (services & 1) |
| 226 | { |
| 227 | /* add sdp record if not already registered */ |
| 228 | if (bta_ag_cb.profile[i].sdp_handle == 0) |
| 229 | { |
| 230 | bta_ag_cb.profile[i].sdp_handle = SDP_CreateRecord(); |
| 231 | bta_ag_cb.profile[i].scn = BTM_AllocateSCN(); |
| 232 | bta_ag_add_record(bta_ag_uuid[i], p_data->api_register.p_name[i], |
| 233 | bta_ag_cb.profile[i].scn, p_data->api_register.features, |
| 234 | bta_ag_cb.profile[i].sdp_handle); |
| 235 | bta_sys_add_uuid(bta_ag_uuid[i]); |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | p_scb->hsp_version = HSP_VERSION_1_2; |
| 241 | |
| 242 | } |
| 243 | |
| 244 | /******************************************************************************* |
| 245 | ** |
| 246 | ** Function bta_ag_del_records |
| 247 | ** |
| 248 | ** Description Delete SDP records for any registered services. |
| 249 | ** |
| 250 | ** |
| 251 | ** Returns void |
| 252 | ** |
| 253 | *******************************************************************************/ |
| 254 | void bta_ag_del_records(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) |
| 255 | { |
| 256 | tBTA_AG_SCB *p = &bta_ag_cb.scb[0]; |
| 257 | tBTA_SERVICE_MASK services; |
| 258 | tBTA_SERVICE_MASK others = 0; |
| 259 | int i; |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 260 | UNUSED(p_data); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 261 | |
| 262 | /* get services of all other registered servers */ |
| 263 | for (i = 0; i < BTA_AG_NUM_IDX; i++, p++) |
| 264 | { |
| 265 | if (p_scb == p) |
| 266 | { |
| 267 | continue; |
| 268 | } |
| 269 | |
| 270 | if (p->in_use && p->dealloc == FALSE) |
| 271 | { |
| 272 | others |= p->reg_services; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | others >>= BTA_HSP_SERVICE_ID; |
| 277 | services = p_scb->reg_services >> BTA_HSP_SERVICE_ID; |
| 278 | for (i = 0; i < BTA_AG_NUM_IDX && services != 0; i++, services >>= 1, others >>= 1) |
| 279 | { |
| 280 | /* if service registered for this scb and not registered for any other scb */ |
| 281 | if (((services & 1) == 1) && ((others & 1) == 0)) |
| 282 | { |
Sharvil Nanavati | e8c3d75 | 2014-05-04 10:12:26 -0700 | [diff] [blame^] | 283 | APPL_TRACE_DEBUG("bta_ag_del_records %d", i); |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 284 | if (bta_ag_cb.profile[i].sdp_handle != 0) |
| 285 | { |
| 286 | SDP_DeleteRecord(bta_ag_cb.profile[i].sdp_handle); |
| 287 | bta_ag_cb.profile[i].sdp_handle = 0; |
| 288 | } |
| 289 | BTM_FreeSCN(bta_ag_cb.profile[i].scn); |
| 290 | BTM_SecClrService(bta_ag_sec_id[i]); |
| 291 | bta_sys_remove_uuid(bta_ag_uuid[i]); |
| 292 | } |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | /******************************************************************************* |
| 297 | ** |
| 298 | ** Function bta_ag_sdp_find_attr |
| 299 | ** |
| 300 | ** Description Process SDP discovery results to find requested attributes |
| 301 | ** for requested service. |
| 302 | ** |
| 303 | ** |
| 304 | ** Returns TRUE if results found, FALSE otherwise. |
| 305 | ** |
| 306 | *******************************************************************************/ |
| 307 | BOOLEAN bta_ag_sdp_find_attr(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service) |
| 308 | { |
| 309 | tSDP_DISC_REC *p_rec = NULL; |
| 310 | tSDP_DISC_ATTR *p_attr; |
| 311 | tSDP_PROTOCOL_ELEM pe; |
| 312 | UINT16 uuid; |
| 313 | BOOLEAN result = FALSE; |
| 314 | |
| 315 | if (service & BTA_HFP_SERVICE_MASK) |
| 316 | { |
| 317 | uuid = UUID_SERVCLASS_HF_HANDSFREE; |
| 318 | p_scb->peer_version = HFP_VERSION_1_1; /* Default version */ |
| 319 | } |
| 320 | else if (service & BTA_HSP_SERVICE_MASK && p_scb->role == BTA_AG_INT) |
| 321 | { |
| 322 | uuid = UUID_SERVCLASS_HEADSET_HS; |
| 323 | p_scb->peer_version = 0x0100; /* Default version */ |
| 324 | } |
| 325 | else |
| 326 | { |
| 327 | return result; |
| 328 | } |
| 329 | |
| 330 | /* loop through all records we found */ |
| 331 | while (TRUE) |
| 332 | { |
| 333 | /* get next record; if none found, we're done */ |
| 334 | if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL) |
| 335 | { |
| 336 | if (uuid == UUID_SERVCLASS_HEADSET_HS) |
| 337 | { |
| 338 | /* Search again in case the peer device is HSP v1.0 */ |
| 339 | uuid = UUID_SERVCLASS_HEADSET; |
| 340 | if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL) |
| 341 | { |
| 342 | break; |
| 343 | } |
| 344 | } |
| 345 | else |
| 346 | break; |
| 347 | } |
| 348 | |
| 349 | /* get scn from proto desc list if initiator */ |
| 350 | if (p_scb->role == BTA_AG_INT) |
| 351 | { |
| 352 | if (SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_RFCOMM, &pe)) |
| 353 | { |
| 354 | p_scb->peer_scn = (UINT8) pe.params[0]; |
| 355 | } |
| 356 | else |
| 357 | { |
| 358 | continue; |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | /* get profile version (if failure, version parameter is not updated) */ |
| 363 | SDP_FindProfileVersionInRec(p_rec, uuid, &p_scb->peer_version); |
| 364 | |
| 365 | /* get features if HFP */ |
| 366 | if (service & BTA_HFP_SERVICE_MASK) |
| 367 | { |
| 368 | if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SUPPORTED_FEATURES)) != NULL) |
| 369 | { |
| 370 | /* Found attribute. Get value. */ |
| 371 | /* There might be race condition between SDP and BRSF. */ |
| 372 | /* Do not update if we already received BRSF. */ |
| 373 | if (p_scb->peer_features == 0) |
| 374 | p_scb->peer_features = p_attr->attr_value.v.u16; |
| 375 | } |
| 376 | } |
| 377 | else /* HSP */ |
| 378 | { |
| 379 | if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_REMOTE_AUDIO_VOLUME_CONTROL)) != NULL) |
| 380 | { |
| 381 | /* Remote volume control of HSP */ |
| 382 | if (p_attr->attr_value.v.u8) |
| 383 | p_scb->peer_features |= BTA_AG_PEER_FEAT_VOL; |
| 384 | else |
| 385 | p_scb->peer_features &= ~BTA_AG_PEER_FEAT_VOL; |
| 386 | } |
| 387 | |
| 388 | } |
| 389 | |
| 390 | /* found what we needed */ |
| 391 | result = TRUE; |
| 392 | break; |
| 393 | } |
| 394 | return result; |
| 395 | } |
| 396 | |
| 397 | /******************************************************************************* |
| 398 | ** |
| 399 | ** Function bta_ag_do_disc |
| 400 | ** |
| 401 | ** Description Do service discovery. |
| 402 | ** |
| 403 | ** |
| 404 | ** Returns void |
| 405 | ** |
| 406 | *******************************************************************************/ |
| 407 | void bta_ag_do_disc(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service) |
| 408 | { |
| 409 | tSDP_UUID uuid_list[2]; |
| 410 | UINT16 num_uuid = 1; |
| 411 | UINT16 attr_list[4]; |
| 412 | UINT8 num_attr; |
| 413 | BOOLEAN db_inited = FALSE; |
| 414 | |
| 415 | /* HFP initiator; get proto list and features */ |
| 416 | if (service & BTA_HFP_SERVICE_MASK && p_scb->role == BTA_AG_INT) |
| 417 | { |
| 418 | attr_list[0] = ATTR_ID_SERVICE_CLASS_ID_LIST; |
| 419 | attr_list[1] = ATTR_ID_PROTOCOL_DESC_LIST; |
| 420 | attr_list[2] = ATTR_ID_BT_PROFILE_DESC_LIST; |
| 421 | attr_list[3] = ATTR_ID_SUPPORTED_FEATURES; |
| 422 | num_attr = 4; |
| 423 | uuid_list[0].uu.uuid16 = UUID_SERVCLASS_HF_HANDSFREE; |
| 424 | } |
| 425 | /* HFP acceptor; get features */ |
| 426 | else if (service & BTA_HFP_SERVICE_MASK && p_scb->role == BTA_AG_ACP) |
| 427 | { |
| 428 | attr_list[0] = ATTR_ID_SERVICE_CLASS_ID_LIST; |
| 429 | attr_list[1] = ATTR_ID_BT_PROFILE_DESC_LIST; |
| 430 | attr_list[2] = ATTR_ID_SUPPORTED_FEATURES; |
| 431 | num_attr = 3; |
| 432 | uuid_list[0].uu.uuid16 = UUID_SERVCLASS_HF_HANDSFREE; |
| 433 | } |
| 434 | /* HSP initiator; get proto list */ |
| 435 | else if (service & BTA_HSP_SERVICE_MASK && p_scb->role == BTA_AG_INT) |
| 436 | { |
| 437 | attr_list[0] = ATTR_ID_SERVICE_CLASS_ID_LIST; |
| 438 | attr_list[1] = ATTR_ID_PROTOCOL_DESC_LIST; |
| 439 | attr_list[2] = ATTR_ID_BT_PROFILE_DESC_LIST; |
| 440 | attr_list[3] = ATTR_ID_REMOTE_AUDIO_VOLUME_CONTROL; |
| 441 | num_attr = 4; |
| 442 | |
| 443 | uuid_list[0].uu.uuid16 = UUID_SERVCLASS_HEADSET; /* Legacy from HSP v1.0 */ |
| 444 | if (p_scb->hsp_version >= HSP_VERSION_1_2) |
| 445 | { |
| 446 | uuid_list[1].uu.uuid16 = UUID_SERVCLASS_HEADSET_HS; |
| 447 | num_uuid = 2; |
| 448 | } |
| 449 | } |
| 450 | /* HSP acceptor; no discovery */ |
| 451 | else |
| 452 | { |
| 453 | return; |
| 454 | } |
| 455 | |
| 456 | /* allocate buffer for sdp database */ |
| 457 | p_scb->p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(BTA_AG_DISC_BUF_SIZE); |
| 458 | |
| 459 | if(p_scb->p_disc_db) |
| 460 | { |
| 461 | /* set up service discovery database; attr happens to be attr_list len */ |
| 462 | uuid_list[0].len = LEN_UUID_16; |
| 463 | uuid_list[1].len = LEN_UUID_16; |
| 464 | db_inited = SDP_InitDiscoveryDb(p_scb->p_disc_db, BTA_AG_DISC_BUF_SIZE, num_uuid, |
| 465 | uuid_list, num_attr, attr_list); |
| 466 | } |
| 467 | |
| 468 | if(db_inited) |
| 469 | { |
| 470 | /*Service discovery not initiated */ |
| 471 | db_inited = SDP_ServiceSearchAttributeRequest(p_scb->peer_addr, p_scb->p_disc_db, |
| 472 | bta_ag_sdp_cback_tbl[bta_ag_scb_to_idx(p_scb) - 1]); |
| 473 | } |
| 474 | |
| 475 | if(!db_inited) |
| 476 | { |
| 477 | /*free discover db */ |
| 478 | bta_ag_free_db(p_scb, NULL); |
| 479 | /* sent failed event */ |
| 480 | bta_ag_sm_execute(p_scb, BTA_AG_DISC_FAIL_EVT, NULL); |
| 481 | } |
| 482 | |
| 483 | } |
| 484 | |
| 485 | /******************************************************************************* |
| 486 | ** |
| 487 | ** Function bta_ag_free_db |
| 488 | ** |
| 489 | ** Description Free discovery database. |
| 490 | ** |
| 491 | ** |
| 492 | ** Returns void |
| 493 | ** |
| 494 | *******************************************************************************/ |
| 495 | void bta_ag_free_db(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data) |
| 496 | { |
Mike J. Chen | 5cd8bff | 2014-01-31 18:16:59 -0800 | [diff] [blame] | 497 | UNUSED(p_data); |
| 498 | |
The Android Open Source Project | 5738f83 | 2012-12-12 16:00:35 -0800 | [diff] [blame] | 499 | if (p_scb->p_disc_db != NULL) |
| 500 | { |
| 501 | GKI_freebuf(p_scb->p_disc_db); |
| 502 | p_scb->p_disc_db = NULL; |
| 503 | } |
| 504 | } |