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 GATT client action functions for the state 22 * machine. 23 * 24 ******************************************************************************/ 25 26 #define LOG_TAG "bt_bta_gattc" 27 28 #include <string.h> 29 30 #include "bt_target.h" 31 #include "bta_gattc_int.h" 32 #include "bta_sys.h" 33 #include "btif/include/btif_debug_conn.h" 34 #include "bt_common.h" 35 #include "l2c_api.h" 36 #include "osi/include/log.h" 37 #include "stack/l2cap/l2c_int.h" 38 #include "utl.h" 39 40 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 41 #include "bta_hh_int.h" 42 #endif 43 44 #if BTA_GATT_INCLUDED && BLE_INCLUDED == TRUE 45 46 /***************************************************************************** 47 ** Constants 48 *****************************************************************************/ 49 static void bta_gattc_conn_cback(tGATT_IF gattc_if, BD_ADDR bda, UINT16 conn_id, 50 BOOLEAN connected, tGATT_DISCONN_REASON reason, 51 tBT_TRANSPORT transport); 52 53 static void bta_gattc_cmpl_cback(UINT16 conn_id, tGATTC_OPTYPE op, tGATT_STATUS status, 54 tGATT_CL_COMPLETE *p_data); 55 static void bta_gattc_cmpl_sendmsg(UINT16 conn_id, tGATTC_OPTYPE op, 56 tBTA_GATT_STATUS status, 57 tGATT_CL_COMPLETE *p_data); 58 59 static void bta_gattc_deregister_cmpl(tBTA_GATTC_RCB *p_clreg); 60 static void bta_gattc_enc_cmpl_cback(tGATT_IF gattc_if, BD_ADDR bda); 61 static void bta_gattc_cong_cback (UINT16 conn_id, BOOLEAN congested); 62 63 static tGATT_CBACK bta_gattc_cl_cback = 64 { 65 bta_gattc_conn_cback, 66 bta_gattc_cmpl_cback, 67 bta_gattc_disc_res_cback, 68 bta_gattc_disc_cmpl_cback, 69 NULL, 70 bta_gattc_enc_cmpl_cback, 71 bta_gattc_cong_cback 72 }; 73 74 /* opcode(tGATTC_OPTYPE) order has to be comply with internal event order */ 75 static UINT16 bta_gattc_opcode_to_int_evt[] = 76 { 77 BTA_GATTC_API_READ_EVT, 78 BTA_GATTC_API_WRITE_EVT, 79 BTA_GATTC_API_EXEC_EVT, 80 BTA_GATTC_API_CFG_MTU_EVT 81 }; 82 83 #if (BT_TRACE_VERBOSE == TRUE) 84 static const char *bta_gattc_op_code_name[] = 85 { 86 "Unknown", 87 "Discovery", 88 "Read", 89 "Write", 90 "Exec", 91 "Config", 92 "Notification", 93 "Indication" 94 }; 95 #endif 96 /***************************************************************************** 97 ** Action Functions 98 *****************************************************************************/ 99 100 101 void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status); 102 103 /******************************************************************************* 104 ** 105 ** Function bta_gattc_enable 106 ** 107 ** Description Enables GATTC module 108 ** 109 ** 110 ** Returns void 111 ** 112 *******************************************************************************/ 113 static void bta_gattc_enable(tBTA_GATTC_CB *p_cb) 114 { 115 APPL_TRACE_DEBUG("bta_gattc_enable"); 116 117 if (p_cb->state == BTA_GATTC_STATE_DISABLED) 118 { 119 /* initialize control block */ 120 memset(&bta_gattc_cb, 0, sizeof(tBTA_GATTC_CB)); 121 p_cb->state = BTA_GATTC_STATE_ENABLED; 122 } 123 else 124 { 125 APPL_TRACE_DEBUG("GATTC is arelady enabled"); 126 } 127 } 128 129 /******************************************************************************* 130 ** 131 ** Function bta_gattc_disable 132 ** 133 ** Description Disable GATTC module by cleaning up all active connections 134 ** and deregister all application. 135 ** 136 ** Returns void 137 ** 138 *******************************************************************************/ 139 void bta_gattc_disable(tBTA_GATTC_CB *p_cb) 140 { 141 UINT8 i; 142 143 APPL_TRACE_DEBUG("bta_gattc_disable"); 144 145 if (p_cb->state != BTA_GATTC_STATE_ENABLED) 146 { 147 APPL_TRACE_ERROR("not enabled or disable in pogress"); 148 return; 149 } 150 151 for (i = 0; i <BTA_GATTC_CL_MAX; i ++) 152 { 153 if (p_cb->cl_rcb[i].in_use) 154 { 155 p_cb->state = BTA_GATTC_STATE_DISABLING; 156 /* don't deregister HH GATT IF */ 157 /* HH GATT IF will be deregistered by bta_hh_le_deregister when disable HH */ 158 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 159 if (!bta_hh_le_is_hh_gatt_if(p_cb->cl_rcb[i].client_if)) { 160 #endif 161 bta_gattc_deregister(p_cb, &p_cb->cl_rcb[i]); 162 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 163 } 164 #endif 165 } 166 } 167 168 /* no registered apps, indicate disable completed */ 169 if (p_cb->state != BTA_GATTC_STATE_DISABLING) 170 { 171 p_cb->state = BTA_GATTC_STATE_DISABLED; 172 memset(p_cb, 0, sizeof(tBTA_GATTC_CB)); 173 } 174 } 175 176 /******************************************************************************* 177 ** 178 ** Function bta_gattc_register 179 ** 180 ** Description Register a GATT client application with BTA. 181 ** 182 ** Returns void 183 ** 184 *******************************************************************************/ 185 void bta_gattc_register(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_data) 186 { 187 tBTA_GATTC cb_data; 188 UINT8 i; 189 tBT_UUID *p_app_uuid = &p_data->api_reg.app_uuid; 190 tBTA_GATT_STATUS status = BTA_GATT_NO_RESOURCES; 191 192 APPL_TRACE_DEBUG("bta_gattc_register state %d",p_cb->state); 193 memset(&cb_data, 0, sizeof(cb_data)); 194 cb_data.reg_oper.status = BTA_GATT_NO_RESOURCES; 195 196 /* check if GATTC module is already enabled . Else enable */ 197 if (p_cb->state == BTA_GATTC_STATE_DISABLED) 198 { 199 bta_gattc_enable (p_cb); 200 } 201 /* todo need to check duplicate uuid */ 202 for (i = 0; i < BTA_GATTC_CL_MAX; i ++) 203 { 204 if (!p_cb->cl_rcb[i].in_use) 205 { 206 if ((p_app_uuid == NULL) || (p_cb->cl_rcb[i].client_if = GATT_Register(p_app_uuid, &bta_gattc_cl_cback)) == 0) 207 { 208 APPL_TRACE_ERROR("Register with GATT stack failed."); 209 status = BTA_GATT_ERROR; 210 } 211 else 212 { 213 p_cb->cl_rcb[i].in_use = TRUE; 214 p_cb->cl_rcb[i].p_cback = p_data->api_reg.p_cback; 215 memcpy(&p_cb->cl_rcb[i].app_uuid, p_app_uuid, sizeof(tBT_UUID)); 216 217 /* BTA use the same client interface as BTE GATT statck */ 218 cb_data.reg_oper.client_if = p_cb->cl_rcb[i].client_if; 219 220 tBTA_GATTC_INT_START_IF *p_buf = 221 (tBTA_GATTC_INT_START_IF *)osi_malloc(sizeof(tBTA_GATTC_INT_START_IF)); 222 p_buf->hdr.event = BTA_GATTC_INT_START_IF_EVT; 223 p_buf->client_if = p_cb->cl_rcb[i].client_if; 224 225 bta_sys_sendmsg(p_buf); 226 status = BTA_GATT_OK; 227 break; 228 } 229 } 230 } 231 232 /* callback with register event */ 233 if (p_data->api_reg.p_cback) 234 { 235 if (p_app_uuid != NULL) 236 memcpy(&(cb_data.reg_oper.app_uuid),p_app_uuid,sizeof(tBT_UUID)); 237 238 cb_data.reg_oper.status = status; 239 (*p_data->api_reg.p_cback)(BTA_GATTC_REG_EVT, (tBTA_GATTC *)&cb_data); 240 } 241 } 242 /******************************************************************************* 243 ** 244 ** Function bta_gattc_start_if 245 ** 246 ** Description start an application interface. 247 ** 248 ** Returns none. 249 ** 250 *******************************************************************************/ 251 void bta_gattc_start_if(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg) 252 { 253 UNUSED(p_cb); 254 255 if (bta_gattc_cl_get_regcb(p_msg->int_start_if.client_if) !=NULL ) 256 { 257 GATT_StartIf(p_msg->int_start_if.client_if); 258 } 259 else 260 { 261 APPL_TRACE_ERROR("Unable to start app.: Unknown interface =%d",p_msg->int_start_if.client_if ); 262 } 263 } 264 /******************************************************************************* 265 ** 266 ** Function bta_gattc_deregister 267 ** 268 ** Description De-Register a GATT client application with BTA. 269 ** 270 ** Returns void 271 ** 272 *******************************************************************************/ 273 void bta_gattc_deregister(tBTA_GATTC_CB *p_cb, tBTA_GATTC_RCB *p_clreg) 274 { 275 UINT8 i; 276 BT_HDR buf; 277 278 if (p_clreg != NULL) 279 { 280 /* remove bg connection associated with this rcb */ 281 for (i = 0; i < BTA_GATTC_KNOWN_SR_MAX; i ++) 282 { 283 if (p_cb->bg_track[i].in_use) 284 { 285 if (p_cb->bg_track[i].cif_mask & (1 <<(p_clreg->client_if - 1))) 286 { 287 bta_gattc_mark_bg_conn(p_clreg->client_if, p_cb->bg_track[i].remote_bda, FALSE, FALSE); 288 GATT_CancelConnect(p_clreg->client_if, p_cb->bg_track[i].remote_bda, FALSE); 289 } 290 if (p_cb->bg_track[i].cif_adv_mask & (1 <<(p_clreg->client_if - 1))) 291 { 292 bta_gattc_mark_bg_conn(p_clreg->client_if, p_cb->bg_track[i].remote_bda, FALSE, TRUE); 293 } 294 } 295 } 296 297 if (p_clreg->num_clcb > 0) 298 { 299 /* close all CLCB related to this app */ 300 for (i= 0; i < BTA_GATTC_CLCB_MAX; i ++) 301 { 302 if (p_cb->clcb[i].in_use && (p_cb->clcb[i].p_rcb == p_clreg)) 303 { 304 p_clreg->dereg_pending = TRUE; 305 306 buf.event = BTA_GATTC_API_CLOSE_EVT; 307 buf.layer_specific = p_cb->clcb[i].bta_conn_id; 308 bta_gattc_close(&p_cb->clcb[i], (tBTA_GATTC_DATA *)&buf) ; 309 } 310 } 311 } 312 else 313 bta_gattc_deregister_cmpl(p_clreg); 314 } 315 else 316 { 317 APPL_TRACE_ERROR("bta_gattc_deregister Deregister Failedm unknown client cif"); 318 } 319 } 320 /******************************************************************************* 321 ** 322 ** Function bta_gattc_process_api_open 323 ** 324 ** Description process connect API request. 325 ** 326 ** Returns void 327 ** 328 *******************************************************************************/ 329 void bta_gattc_process_api_open (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 330 { 331 UINT16 event = ((BT_HDR *)p_msg)->event; 332 tBTA_GATTC_CLCB *p_clcb = NULL; 333 tBTA_GATTC_RCB *p_clreg = bta_gattc_cl_get_regcb(p_msg->api_conn.client_if); 334 UNUSED(p_cb); 335 336 if (p_clreg != NULL) 337 { 338 if (p_msg->api_conn.is_direct) 339 { 340 if ((p_clcb = bta_gattc_find_alloc_clcb(p_msg->api_conn.client_if, 341 p_msg->api_conn.remote_bda, 342 p_msg->api_conn.transport)) != NULL) 343 { 344 bta_gattc_sm_execute(p_clcb, event, p_msg); 345 } 346 else 347 { 348 APPL_TRACE_ERROR("No resources to open a new connection."); 349 350 bta_gattc_send_open_cback(p_clreg, 351 BTA_GATT_NO_RESOURCES, 352 p_msg->api_conn.remote_bda, 353 BTA_GATT_INVALID_CONN_ID, 354 p_msg->api_conn.transport, 0); 355 } 356 } 357 else 358 { 359 bta_gattc_init_bk_conn(&p_msg->api_conn, p_clreg); 360 } 361 } 362 else 363 { 364 APPL_TRACE_ERROR("bta_gattc_process_api_open Failed, unknown client_if: %d", 365 p_msg->api_conn.client_if); 366 } 367 } 368 /******************************************************************************* 369 ** 370 ** Function bta_gattc_process_api_open_cancel 371 ** 372 ** Description process connect API request. 373 ** 374 ** Returns void 375 ** 376 *******************************************************************************/ 377 void bta_gattc_process_api_open_cancel (tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 378 { 379 UINT16 event = ((BT_HDR *)p_msg)->event; 380 tBTA_GATTC_CLCB *p_clcb = NULL; 381 tBTA_GATTC_RCB *p_clreg; 382 tBTA_GATTC cb_data; 383 UNUSED(p_cb); 384 385 if (p_msg->api_cancel_conn.is_direct) 386 { 387 if ((p_clcb = bta_gattc_find_clcb_by_cif(p_msg->api_cancel_conn.client_if, 388 p_msg->api_cancel_conn.remote_bda, 389 BTA_GATT_TRANSPORT_LE)) != NULL) 390 { 391 bta_gattc_sm_execute(p_clcb, event, p_msg); 392 } 393 else 394 { 395 APPL_TRACE_ERROR("No such connection need to be cancelled"); 396 397 p_clreg = bta_gattc_cl_get_regcb(p_msg->api_cancel_conn.client_if); 398 399 if (p_clreg && p_clreg->p_cback) 400 { 401 cb_data.status = BTA_GATT_ERROR; 402 (*p_clreg->p_cback)(BTA_GATTC_CANCEL_OPEN_EVT, &cb_data); 403 } 404 } 405 } 406 else 407 { 408 bta_gattc_cancel_bk_conn(&p_msg->api_cancel_conn); 409 410 } 411 } 412 413 /******************************************************************************* 414 ** 415 ** Function bta_gattc_process_enc_cmpl 416 ** 417 ** Description process encryption complete message. 418 ** 419 ** Returns void 420 ** 421 *******************************************************************************/ 422 void bta_gattc_process_enc_cmpl(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA *p_msg) 423 { 424 tBTA_GATTC_RCB *p_clreg; 425 tBTA_GATTC cb_data; 426 UNUSED(p_cb); 427 428 p_clreg = bta_gattc_cl_get_regcb(p_msg->enc_cmpl.client_if); 429 430 if (p_clreg && p_clreg->p_cback) 431 { 432 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 433 434 cb_data.enc_cmpl.client_if = p_msg->enc_cmpl.client_if; 435 bdcpy(cb_data.enc_cmpl.remote_bda, p_msg->enc_cmpl.remote_bda); 436 437 (*p_clreg->p_cback)(BTA_GATTC_ENC_CMPL_CB_EVT, &cb_data); 438 } 439 } 440 441 /******************************************************************************* 442 ** 443 ** Function bta_gattc_cancel_open_error 444 ** 445 ** Description 446 ** 447 ** Returns void 448 ** 449 *******************************************************************************/ 450 void bta_gattc_cancel_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 451 { 452 tBTA_GATTC cb_data; 453 UNUSED(p_data); 454 455 cb_data.status=BTA_GATT_ERROR; 456 457 if ( p_clcb && p_clcb->p_rcb && p_clcb->p_rcb->p_cback ) 458 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CANCEL_OPEN_EVT, &cb_data); 459 } 460 461 /******************************************************************************* 462 ** 463 ** Function bta_gattc_open_error 464 ** 465 ** Description 466 ** 467 ** Returns void 468 ** 469 *******************************************************************************/ 470 void bta_gattc_open_error(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 471 { 472 UNUSED(p_data); 473 474 APPL_TRACE_ERROR("Connection already opened. wrong state"); 475 476 bta_gattc_send_open_cback(p_clcb->p_rcb, 477 BTA_GATT_OK, 478 p_clcb->bda, 479 p_clcb->bta_conn_id, 480 p_clcb->transport, 481 0); 482 } 483 /******************************************************************************* 484 ** 485 ** Function bta_gattc_open_fail 486 ** 487 ** Description 488 ** 489 ** Returns void 490 ** 491 *******************************************************************************/ 492 void bta_gattc_open_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 493 { 494 UNUSED(p_data); 495 496 bta_gattc_send_open_cback(p_clcb->p_rcb, 497 BTA_GATT_ERROR, 498 p_clcb->bda, 499 p_clcb->bta_conn_id, 500 p_clcb->transport, 501 0); 502 /* open failure, remove clcb */ 503 bta_gattc_clcb_dealloc(p_clcb); 504 } 505 506 /******************************************************************************* 507 ** 508 ** Function bta_gattc_open 509 ** 510 ** Description Process API connection function. 511 ** 512 ** Returns void 513 ** 514 *******************************************************************************/ 515 void bta_gattc_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 516 { 517 tBTA_GATTC_DATA gattc_data; 518 519 /* open/hold a connection */ 520 if (!GATT_Connect(p_clcb->p_rcb->client_if, p_data->api_conn.remote_bda, 521 true, p_data->api_conn.transport, false)) 522 { 523 APPL_TRACE_ERROR("Connection open failure"); 524 525 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_OPEN_FAIL_EVT, p_data); 526 } 527 else 528 { 529 /* a connected remote device */ 530 if (GATT_GetConnIdIfConnected(p_clcb->p_rcb->client_if, 531 p_data->api_conn.remote_bda, 532 &p_clcb->bta_conn_id, 533 p_data->api_conn.transport)) 534 { 535 gattc_data.int_conn.hdr.layer_specific = p_clcb->bta_conn_id; 536 537 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_CONN_EVT, &gattc_data); 538 } 539 /* else wait for the callback event */ 540 } 541 } 542 /******************************************************************************* 543 ** 544 ** Function bta_gattc_init_bk_conn 545 ** 546 ** Description Process API Open for a background connection 547 ** 548 ** Returns void 549 ** 550 *******************************************************************************/ 551 void bta_gattc_init_bk_conn(tBTA_GATTC_API_OPEN *p_data, tBTA_GATTC_RCB *p_clreg) 552 { 553 tBTA_GATT_STATUS status = BTA_GATT_NO_RESOURCES; 554 UINT16 conn_id; 555 tBTA_GATTC_CLCB *p_clcb; 556 tBTA_GATTC_DATA gattc_data; 557 558 if (bta_gattc_mark_bg_conn(p_data->client_if, p_data->remote_bda, TRUE, FALSE)) 559 { 560 /* always call open to hold a connection */ 561 if (!GATT_Connect(p_data->client_if, p_data->remote_bda, false, p_data->transport, false)) 562 { 563 uint8_t *bda = (uint8_t *)p_data->remote_bda; 564 status = BTA_GATT_ERROR; 565 APPL_TRACE_ERROR("%s unable to connect to remote bd_addr:%02x:%02x:%02x:%02x:%02x:%02x", 566 __func__, bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]); 567 568 } 569 else 570 { 571 status = BTA_GATT_OK; 572 573 /* if is a connected remote device */ 574 if (GATT_GetConnIdIfConnected(p_data->client_if, 575 p_data->remote_bda, 576 &conn_id, 577 p_data->transport)) 578 { 579 if ((p_clcb = bta_gattc_find_alloc_clcb(p_data->client_if, p_data->remote_bda, 580 BTA_GATT_TRANSPORT_LE)) != NULL) 581 { 582 gattc_data.hdr.layer_specific = p_clcb->bta_conn_id = conn_id; 583 584 /* open connection */ 585 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_CONN_EVT, &gattc_data); 586 status = BTA_GATT_OK; 587 } 588 } 589 } 590 } 591 592 /* open failure, report OPEN_EVT */ 593 if (status != BTA_GATT_OK) 594 { 595 bta_gattc_send_open_cback(p_clreg, status, p_data->remote_bda, 596 BTA_GATT_INVALID_CONN_ID, BTA_GATT_TRANSPORT_LE, 0); 597 } 598 } 599 /******************************************************************************* 600 ** 601 ** Function bta_gattc_cancel_bk_conn 602 ** 603 ** Description Process API Cancel Open for a background connection 604 ** 605 ** Returns void 606 ** 607 *******************************************************************************/ 608 void bta_gattc_cancel_bk_conn(tBTA_GATTC_API_CANCEL_OPEN *p_data) 609 { 610 tBTA_GATTC_RCB *p_clreg; 611 tBTA_GATTC cb_data; 612 cb_data.status = BTA_GATT_ERROR; 613 614 /* remove the device from the bg connection mask */ 615 if (bta_gattc_mark_bg_conn(p_data->client_if, p_data->remote_bda, FALSE, FALSE)) 616 { 617 if (GATT_CancelConnect(p_data->client_if, p_data->remote_bda, FALSE)) 618 { 619 cb_data.status = BTA_GATT_OK; 620 } 621 else 622 { 623 APPL_TRACE_ERROR("bta_gattc_cancel_bk_conn failed"); 624 } 625 } 626 p_clreg = bta_gattc_cl_get_regcb(p_data->client_if); 627 628 if (p_clreg && p_clreg->p_cback) 629 { 630 (*p_clreg->p_cback)(BTA_GATTC_CANCEL_OPEN_EVT, &cb_data); 631 } 632 633 } 634 /******************************************************************************* 635 ** 636 ** Function bta_gattc_int_cancel_open_ok 637 ** 638 ** Description 639 ** 640 ** Returns void 641 ** 642 *******************************************************************************/ 643 void bta_gattc_cancel_open_ok(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 644 { 645 tBTA_GATTC cb_data; 646 UNUSED(p_data); 647 648 if ( p_clcb->p_rcb->p_cback ) 649 { 650 cb_data.status = BTA_GATT_OK; 651 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CANCEL_OPEN_EVT, &cb_data); 652 } 653 654 bta_gattc_clcb_dealloc(p_clcb); 655 } 656 /******************************************************************************* 657 ** 658 ** Function bta_gattc_cancel_open 659 ** 660 ** Description 661 ** 662 ** Returns void 663 ** 664 *******************************************************************************/ 665 void bta_gattc_cancel_open(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 666 { 667 tBTA_GATTC cb_data; 668 669 if (GATT_CancelConnect(p_clcb->p_rcb->client_if, p_data->api_cancel_conn.remote_bda, TRUE)) 670 { 671 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_CANCEL_OPEN_OK_EVT, p_data); 672 } 673 else 674 { 675 if ( p_clcb->p_rcb->p_cback ) 676 { 677 cb_data.status = BTA_GATT_ERROR; 678 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CANCEL_OPEN_EVT, &cb_data); 679 } 680 } 681 } 682 /******************************************************************************* 683 ** 684 ** Function bta_gattc_conn 685 ** 686 ** Description receive connection callback from stack 687 ** 688 ** Returns void 689 ** 690 *******************************************************************************/ 691 void bta_gattc_conn(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 692 { 693 tBTA_GATTC_IF gatt_if; 694 APPL_TRACE_DEBUG("bta_gattc_conn server cache state=%d",p_clcb->p_srcb->state); 695 696 if (p_data != NULL) 697 { 698 APPL_TRACE_DEBUG("bta_gattc_conn conn_id=%d",p_data->hdr.layer_specific); 699 p_clcb->bta_conn_id = p_data->int_conn.hdr.layer_specific; 700 701 GATT_GetConnectionInfor(p_data->hdr.layer_specific, 702 &gatt_if, p_clcb->bda, &p_clcb->transport); 703 } 704 705 p_clcb->p_srcb->connected = TRUE; 706 707 if (p_clcb->p_srcb->mtu == 0) 708 p_clcb->p_srcb->mtu = GATT_DEF_BLE_MTU_SIZE; 709 710 /* start database cache if needed */ 711 if (p_clcb->p_srcb->p_srvc_cache == NULL || 712 p_clcb->p_srcb->state != BTA_GATTC_SERV_IDLE) 713 { 714 if (p_clcb->p_srcb->state == BTA_GATTC_SERV_IDLE) 715 { 716 p_clcb->p_srcb->state = BTA_GATTC_SERV_LOAD; 717 if (bta_gattc_cache_load(p_clcb)) { 718 bta_gattc_reset_discover_st(p_clcb->p_srcb, BTA_GATT_OK); 719 } else { 720 p_clcb->p_srcb->state = BTA_GATTC_SERV_DISC; 721 /* cache load failure, start discovery */ 722 bta_gattc_start_discover(p_clcb, NULL); 723 } 724 } 725 else /* cache is building */ 726 p_clcb->state = BTA_GATTC_DISCOVER_ST; 727 } 728 729 else 730 { 731 /* a pending service handle change indication */ 732 if (p_clcb->p_srcb->srvc_hdl_chg) 733 { 734 p_clcb->p_srcb->srvc_hdl_chg = FALSE; 735 /* start discovery */ 736 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 737 } 738 } 739 740 if (p_clcb->p_rcb) 741 { 742 /* there is no RM for GATT */ 743 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) 744 bta_sys_conn_open(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 745 746 bta_gattc_send_open_cback(p_clcb->p_rcb, 747 BTA_GATT_OK, 748 p_clcb->bda, 749 p_clcb->bta_conn_id, 750 p_clcb->transport, 751 p_clcb->p_srcb->mtu); 752 } 753 } 754 /******************************************************************************* 755 ** 756 ** Function bta_gattc_close_fail 757 ** 758 ** Description close a connection. 759 ** 760 ** Returns void 761 ** 762 *******************************************************************************/ 763 void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 764 { 765 tBTA_GATTC cb_data; 766 767 if ( p_clcb->p_rcb->p_cback ) 768 { 769 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 770 cb_data.close.client_if = p_clcb->p_rcb->client_if; 771 cb_data.close.conn_id = p_data->hdr.layer_specific; 772 bdcpy(cb_data.close.remote_bda, p_clcb->bda); 773 cb_data.close.status = BTA_GATT_ERROR; 774 cb_data.close.reason = BTA_GATT_CONN_NONE; 775 776 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CLOSE_EVT, &cb_data); 777 } 778 } 779 /******************************************************************************* 780 ** 781 ** Function bta_gattc_api_close 782 ** 783 ** Description close a GATTC connection. 784 ** 785 ** Returns void 786 ** 787 *******************************************************************************/ 788 void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 789 { 790 tBTA_GATTC_CBACK *p_cback = p_clcb->p_rcb->p_cback; 791 tBTA_GATTC_RCB *p_clreg = p_clcb->p_rcb; 792 tBTA_GATTC cb_data; 793 794 APPL_TRACE_DEBUG("bta_gattc_close conn_id=%d",p_clcb->bta_conn_id); 795 796 cb_data.close.client_if = p_clcb->p_rcb->client_if; 797 cb_data.close.conn_id = p_clcb->bta_conn_id; 798 cb_data.close.reason = p_clcb->reason; 799 cb_data.close.status = p_clcb->status; 800 bdcpy(cb_data.close.remote_bda, p_clcb->bda); 801 802 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) 803 bta_sys_conn_close( BTA_ID_GATTC ,BTA_ALL_APP_ID, p_clcb->bda); 804 805 bta_gattc_clcb_dealloc(p_clcb); 806 807 if (p_data->hdr.event == BTA_GATTC_API_CLOSE_EVT) 808 { 809 cb_data.close.status = GATT_Disconnect(p_data->hdr.layer_specific); 810 } 811 else if (p_data->hdr.event == BTA_GATTC_INT_DISCONN_EVT) 812 { 813 cb_data.close.status = p_data->int_conn.reason; 814 cb_data.close.reason = p_data->int_conn.reason; 815 } 816 817 if(p_cback) 818 (* p_cback)(BTA_GATTC_CLOSE_EVT, (tBTA_GATTC *)&cb_data); 819 820 if (p_clreg->num_clcb == 0 && p_clreg->dereg_pending) 821 { 822 bta_gattc_deregister_cmpl(p_clreg); 823 } 824 } 825 /******************************************************************************* 826 ** 827 ** Function bta_gattc_reset_discover_st 828 ** 829 ** Description when a SRCB finished discovery, tell all related clcb. 830 ** 831 ** Returns None. 832 ** 833 *******************************************************************************/ 834 void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status) 835 { 836 tBTA_GATTC_CB *p_cb = &bta_gattc_cb; 837 UINT8 i; 838 839 for (i = 0; i < BTA_GATTC_CLCB_MAX; i ++) 840 { 841 if (p_cb->clcb[i].p_srcb == p_srcb) 842 { 843 p_cb->clcb[i].status = status; 844 bta_gattc_sm_execute(&p_cb->clcb[i], BTA_GATTC_DISCOVER_CMPL_EVT, NULL); 845 } 846 } 847 } 848 /******************************************************************************* 849 ** 850 ** Function bta_gattc_disc_close 851 ** 852 ** Description close a GATTC connection while in discovery state. 853 ** 854 ** Returns void 855 ** 856 *******************************************************************************/ 857 void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 858 { 859 APPL_TRACE_DEBUG("%s: Discovery cancel conn_id=%d", __func__, 860 p_clcb->bta_conn_id); 861 862 if (p_clcb->disc_active) 863 bta_gattc_reset_discover_st(p_clcb->p_srcb, BTA_GATT_ERROR); 864 else 865 p_clcb->state = BTA_GATTC_CONN_ST; 866 867 // This function only gets called as the result of a BTA_GATTC_API_CLOSE_EVT 868 // while in the BTA_GATTC_DISCOVER_ST state. Once the state changes, the 869 // connection itself still needs to be closed to resolve the original event. 870 if (p_clcb->state == BTA_GATTC_CONN_ST) 871 { 872 APPL_TRACE_DEBUG("State is back to BTA_GATTC_CONN_ST. " 873 "Trigger connection close"); 874 bta_gattc_close(p_clcb, p_data); 875 } 876 } 877 /******************************************************************************* 878 ** 879 ** Function bta_gattc_set_discover_st 880 ** 881 ** Description when a SRCB start discovery, tell all related clcb and set 882 ** the state. 883 ** 884 ** Returns None. 885 ** 886 *******************************************************************************/ 887 void bta_gattc_set_discover_st(tBTA_GATTC_SERV *p_srcb) 888 { 889 tBTA_GATTC_CB *p_cb = &bta_gattc_cb; 890 UINT8 i; 891 892 #if BLE_INCLUDED == TRUE 893 L2CA_EnableUpdateBleConnParams(p_srcb->server_bda, FALSE); 894 #endif 895 for (i = 0; i < BTA_GATTC_CLCB_MAX; i ++) 896 { 897 if (p_cb->clcb[i].p_srcb == p_srcb) 898 { 899 p_cb->clcb[i].status = BTA_GATT_OK; 900 p_cb->clcb[i].state = BTA_GATTC_DISCOVER_ST; 901 } 902 } 903 } 904 /******************************************************************************* 905 ** 906 ** Function bta_gattc_restart_discover 907 ** 908 ** Description process service change in discovery state, mark up the auto 909 ** update flag and set status to be discovery cancel for current 910 ** discovery. 911 ** 912 ** Returns None. 913 ** 914 *******************************************************************************/ 915 void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 916 { 917 UNUSED(p_data); 918 919 p_clcb->status = BTA_GATT_CANCEL; 920 p_clcb->auto_update = BTA_GATTC_DISC_WAITING; 921 } 922 923 /******************************************************************************* 924 ** 925 ** Function bta_gattc_cfg_mtu 926 ** 927 ** Description Configure MTU size on the GATT connection. 928 ** 929 ** Returns None. 930 ** 931 *******************************************************************************/ 932 void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 933 { 934 tBTA_GATT_STATUS status; 935 936 if (bta_gattc_enqueue(p_clcb, p_data)) 937 { 938 status = GATTC_ConfigureMTU (p_clcb->bta_conn_id, p_data->api_mtu.mtu); 939 940 /* if failed, return callback here */ 941 if (status != GATT_SUCCESS && status != GATT_CMD_STARTED) 942 { 943 /* Dequeue the data, if it was enqueued */ 944 if (p_clcb->p_q_cmd == p_data) 945 p_clcb->p_q_cmd = NULL; 946 947 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_CONFIG, status, NULL); 948 } 949 } 950 } 951 /******************************************************************************* 952 ** 953 ** Function bta_gattc_start_discover 954 ** 955 ** Description Start a discovery on server. 956 ** 957 ** Returns None. 958 ** 959 *******************************************************************************/ 960 void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 961 { 962 UNUSED(p_data); 963 964 APPL_TRACE_DEBUG("bta_gattc_start_discover conn_id=%d p_clcb->p_srcb->state = %d ", 965 p_clcb->bta_conn_id, p_clcb->p_srcb->state); 966 967 if (((p_clcb->p_q_cmd == NULL || p_clcb->auto_update == BTA_GATTC_REQ_WAITING) && 968 p_clcb->p_srcb->state == BTA_GATTC_SERV_IDLE) || 969 p_clcb->p_srcb->state == BTA_GATTC_SERV_DISC) 970 /* no pending operation, start discovery right away */ 971 { 972 p_clcb->auto_update = BTA_GATTC_NO_SCHEDULE; 973 974 if (p_clcb->p_srcb != NULL) 975 { 976 /* clear the service change mask */ 977 p_clcb->p_srcb->srvc_hdl_chg = FALSE; 978 p_clcb->p_srcb->update_count = 0; 979 p_clcb->p_srcb->state = BTA_GATTC_SERV_DISC_ACT; 980 981 if (p_clcb->transport == BTA_TRANSPORT_LE) 982 L2CA_EnableUpdateBleConnParams(p_clcb->p_srcb->server_bda, FALSE); 983 984 /* set all srcb related clcb into discovery ST */ 985 bta_gattc_set_discover_st(p_clcb->p_srcb); 986 987 if ((p_clcb->status = bta_gattc_init_cache(p_clcb->p_srcb)) == BTA_GATT_OK) 988 { 989 p_clcb->status = bta_gattc_discover_pri_service(p_clcb->bta_conn_id, 990 p_clcb->p_srcb, GATT_DISC_SRVC_ALL); 991 } 992 if (p_clcb->status != BTA_GATT_OK) 993 { 994 APPL_TRACE_ERROR("discovery on server failed"); 995 bta_gattc_reset_discover_st(p_clcb->p_srcb, p_clcb->status); 996 } 997 else 998 p_clcb->disc_active = TRUE; 999 } 1000 else 1001 { 1002 APPL_TRACE_ERROR("unknown device, can not start discovery"); 1003 } 1004 } 1005 /* pending operation, wait until it finishes */ 1006 else 1007 { 1008 p_clcb->auto_update = BTA_GATTC_DISC_WAITING; 1009 1010 if (p_clcb->p_srcb->state == BTA_GATTC_SERV_IDLE) 1011 p_clcb->state = BTA_GATTC_CONN_ST; /* set clcb state */ 1012 } 1013 1014 } 1015 /******************************************************************************* 1016 ** 1017 ** Function bta_gattc_disc_cmpl 1018 ** 1019 ** Description discovery on server is finished 1020 ** 1021 ** Returns None. 1022 ** 1023 *******************************************************************************/ 1024 void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1025 { 1026 tBTA_GATTC_DATA *p_q_cmd = p_clcb->p_q_cmd; 1027 UNUSED(p_data); 1028 1029 APPL_TRACE_DEBUG("bta_gattc_disc_cmpl conn_id=%d",p_clcb->bta_conn_id); 1030 1031 #if BLE_INCLUDED == TRUE 1032 if(p_clcb->transport == BTA_TRANSPORT_LE) 1033 L2CA_EnableUpdateBleConnParams(p_clcb->p_srcb->server_bda, TRUE); 1034 #endif 1035 p_clcb->p_srcb->state = BTA_GATTC_SERV_IDLE; 1036 p_clcb->disc_active = FALSE; 1037 1038 if (p_clcb->status != GATT_SUCCESS) 1039 { 1040 /* clean up cache */ 1041 if(p_clcb->p_srcb && p_clcb->p_srcb->p_srvc_cache) { 1042 list_free(p_clcb->p_srcb->p_srvc_cache); 1043 p_clcb->p_srcb->p_srvc_cache = NULL; 1044 } 1045 1046 /* used to reset cache in application */ 1047 bta_gattc_cache_reset(p_clcb->p_srcb->server_bda); 1048 } 1049 if (p_clcb->p_srcb && p_clcb->p_srcb->p_srvc_list) { 1050 /* release pending attribute list buffer */ 1051 osi_free_and_reset((void **)&p_clcb->p_srcb->p_srvc_list); 1052 } 1053 1054 if (p_clcb->auto_update == BTA_GATTC_DISC_WAITING) 1055 { 1056 /* start discovery again */ 1057 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1058 } 1059 /* get any queued command to proceed */ 1060 else if (p_q_cmd != NULL) 1061 { 1062 p_clcb->p_q_cmd = NULL; 1063 /* execute pending operation of link block still present */ 1064 if (l2cu_find_lcb_by_bd_addr(p_clcb->p_srcb->server_bda, BT_TRANSPORT_LE) != NULL) { 1065 bta_gattc_sm_execute(p_clcb, p_q_cmd->hdr.event, p_q_cmd); 1066 } 1067 /* if the command executed requeued the cmd, we don't 1068 * want to free the underlying buffer that's being 1069 * referenced by p_clcb->p_q_cmd 1070 */ 1071 if (p_q_cmd != p_clcb->p_q_cmd) 1072 osi_free_and_reset((void **)&p_q_cmd); 1073 } 1074 } 1075 /******************************************************************************* 1076 ** 1077 ** Function bta_gattc_read 1078 ** 1079 ** Description Read an attribute 1080 ** 1081 ** Returns None. 1082 ** 1083 *******************************************************************************/ 1084 void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1085 { 1086 if (!bta_gattc_enqueue(p_clcb, p_data)) 1087 return; 1088 1089 tGATT_READ_PARAM read_param; 1090 memset (&read_param, 0 ,sizeof(tGATT_READ_PARAM)); 1091 read_param.by_handle.handle = p_data->api_read.handle; 1092 read_param.by_handle.auth_req = p_data->api_read.auth_req; 1093 1094 tBTA_GATT_STATUS status = GATTC_Read(p_clcb->bta_conn_id, GATT_READ_BY_HANDLE, &read_param); 1095 1096 /* read fail */ 1097 if (status != BTA_GATT_OK) 1098 { 1099 /* Dequeue the data, if it was enqueued */ 1100 if (p_clcb->p_q_cmd == p_data) 1101 p_clcb->p_q_cmd = NULL; 1102 1103 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_READ, status, NULL); 1104 } 1105 } 1106 /******************************************************************************* 1107 ** 1108 ** Function bta_gattc_read_multi 1109 ** 1110 ** Description read multiple 1111 ** 1112 ** Returns None. 1113 *********************************************************************************/ 1114 void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1115 { 1116 tBTA_GATT_STATUS status = BTA_GATT_OK; 1117 tGATT_READ_PARAM read_param; 1118 1119 if (bta_gattc_enqueue(p_clcb, p_data)) 1120 { 1121 memset(&read_param, 0, sizeof(tGATT_READ_PARAM)); 1122 1123 if (status == BTA_GATT_OK) 1124 { 1125 read_param.read_multiple.num_handles = p_data->api_read_multi.num_attr; 1126 read_param.read_multiple.auth_req = p_data->api_read_multi.auth_req; 1127 memcpy(&read_param.read_multiple.handles, p_data->api_read_multi.handles, 1128 sizeof(UINT16) * p_data->api_read_multi.num_attr); 1129 1130 status = GATTC_Read(p_clcb->bta_conn_id, GATT_READ_MULTIPLE, &read_param); 1131 } 1132 1133 /* read fail */ 1134 if (status != BTA_GATT_OK) 1135 { 1136 /* Dequeue the data, if it was enqueued */ 1137 if (p_clcb->p_q_cmd == p_data) 1138 p_clcb->p_q_cmd = NULL; 1139 1140 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_READ, status, NULL); 1141 } 1142 } 1143 } 1144 /******************************************************************************* 1145 ** 1146 ** Function bta_gattc_write 1147 ** 1148 ** Description Write an attribute 1149 ** 1150 ** Returns None. 1151 ** 1152 *******************************************************************************/ 1153 void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1154 { 1155 if (!bta_gattc_enqueue(p_clcb, p_data)) 1156 return; 1157 1158 tBTA_GATT_STATUS status = BTA_GATT_OK; 1159 tGATT_VALUE attr; 1160 1161 attr.conn_id = p_clcb->bta_conn_id; 1162 attr.handle = p_data->api_write.handle; 1163 attr.offset = p_data->api_write.offset; 1164 attr.len = p_data->api_write.len; 1165 attr.auth_req = p_data->api_write.auth_req; 1166 1167 if (p_data->api_write.p_value) 1168 memcpy(attr.value, p_data->api_write.p_value, p_data->api_write.len); 1169 1170 status = GATTC_Write(p_clcb->bta_conn_id, p_data->api_write.write_type, &attr); 1171 1172 /* write fail */ 1173 if (status != BTA_GATT_OK) 1174 { 1175 /* Dequeue the data, if it was enqueued */ 1176 if (p_clcb->p_q_cmd == p_data) 1177 p_clcb->p_q_cmd = NULL; 1178 1179 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_WRITE, status, NULL); 1180 } 1181 } 1182 /******************************************************************************* 1183 ** 1184 ** Function bta_gattc_execute 1185 ** 1186 ** Description send execute write 1187 ** 1188 ** Returns None. 1189 *********************************************************************************/ 1190 void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1191 { 1192 tBTA_GATT_STATUS status; 1193 1194 if (bta_gattc_enqueue(p_clcb, p_data)) 1195 { 1196 status = GATTC_ExecuteWrite(p_clcb->bta_conn_id, p_data->api_exec.is_execute); 1197 1198 if (status != BTA_GATT_OK) 1199 { 1200 /* Dequeue the data, if it was enqueued */ 1201 if (p_clcb->p_q_cmd == p_data) 1202 p_clcb->p_q_cmd = NULL; 1203 1204 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_EXE_WRITE, status, NULL); 1205 } 1206 } 1207 } 1208 /******************************************************************************* 1209 ** 1210 ** Function bta_gattc_confirm 1211 ** 1212 ** Description send handle value confirmation 1213 ** 1214 ** Returns None. 1215 ** 1216 *******************************************************************************/ 1217 void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1218 { 1219 UINT16 handle = p_data->api_confirm.handle; 1220 1221 if (GATTC_SendHandleValueConfirm(p_data->api_confirm.hdr.layer_specific, handle) 1222 != GATT_SUCCESS) { 1223 APPL_TRACE_ERROR("bta_gattc_confirm to handle [0x%04x] failed", handle); 1224 } else { 1225 /* if over BR_EDR, inform PM for mode change */ 1226 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) { 1227 bta_sys_busy(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1228 bta_sys_idle(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1229 } 1230 } 1231 } 1232 /******************************************************************************* 1233 ** 1234 ** Function bta_gattc_read_cmpl 1235 ** 1236 ** Description read complete 1237 ** 1238 ** Returns None. 1239 ** 1240 *******************************************************************************/ 1241 void bta_gattc_read_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1242 { 1243 UINT8 event; 1244 tBTA_GATTC cb_data; 1245 tBTA_GATT_UNFMT read_value; 1246 1247 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 1248 memset(&read_value, 0, sizeof(tBTA_GATT_UNFMT)); 1249 1250 cb_data.read.status = p_data->status; 1251 1252 if (p_data->p_cmpl != NULL && p_data->status == BTA_GATT_OK) 1253 { 1254 cb_data.read.handle = p_data->p_cmpl->att_value.handle; 1255 1256 read_value.len = p_data->p_cmpl->att_value.len; 1257 read_value.p_value = p_data->p_cmpl->att_value.value; 1258 cb_data.read.p_value = &read_value; 1259 } else { 1260 cb_data.read.handle = p_clcb->p_q_cmd->api_read.handle; 1261 } 1262 1263 event = p_clcb->p_q_cmd->api_read.cmpl_evt; 1264 cb_data.read.conn_id = p_clcb->bta_conn_id; 1265 1266 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1267 /* read complete, callback */ 1268 ( *p_clcb->p_rcb->p_cback)(event, (tBTA_GATTC *)&cb_data); 1269 1270 } 1271 /******************************************************************************* 1272 ** 1273 ** Function bta_gattc_write_cmpl 1274 ** 1275 ** Description write complete 1276 ** 1277 ** Returns None. 1278 ** 1279 *******************************************************************************/ 1280 void bta_gattc_write_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1281 { 1282 tBTA_GATTC cb_data = {0}; 1283 UINT8 event; 1284 1285 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 1286 1287 cb_data.write.status = p_data->status; 1288 cb_data.write.handle = p_data->p_cmpl->att_value.handle; 1289 1290 if (p_clcb->p_q_cmd->api_write.hdr.event == BTA_GATTC_API_WRITE_EVT && 1291 p_clcb->p_q_cmd->api_write.write_type == BTA_GATTC_WRITE_PREPARE) 1292 1293 event = BTA_GATTC_PREP_WRITE_EVT; 1294 1295 else 1296 event = p_clcb->p_q_cmd->api_write.cmpl_evt; 1297 1298 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1299 cb_data.write.conn_id = p_clcb->bta_conn_id; 1300 /* write complete, callback */ 1301 ( *p_clcb->p_rcb->p_cback)(event, (tBTA_GATTC *)&cb_data); 1302 1303 } 1304 /******************************************************************************* 1305 ** 1306 ** Function bta_gattc_exec_cmpl 1307 ** 1308 ** Description execute write complete 1309 ** 1310 ** Returns None. 1311 ** 1312 *******************************************************************************/ 1313 void bta_gattc_exec_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1314 { 1315 tBTA_GATTC cb_data; 1316 1317 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1318 p_clcb->status = BTA_GATT_OK; 1319 1320 /* execute complete, callback */ 1321 cb_data.exec_cmpl.conn_id = p_clcb->bta_conn_id; 1322 cb_data.exec_cmpl.status = p_data->status; 1323 1324 ( *p_clcb->p_rcb->p_cback)(BTA_GATTC_EXEC_EVT, &cb_data); 1325 1326 } 1327 1328 /******************************************************************************* 1329 ** 1330 ** Function bta_gattc_cfg_mtu_cmpl 1331 ** 1332 ** Description configure MTU operation complete 1333 ** 1334 ** Returns None. 1335 ** 1336 *******************************************************************************/ 1337 void bta_gattc_cfg_mtu_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1338 { 1339 tBTA_GATTC cb_data; 1340 1341 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1342 1343 if (p_data->p_cmpl && p_data->status == BTA_GATT_OK) 1344 p_clcb->p_srcb->mtu = p_data->p_cmpl->mtu; 1345 1346 /* configure MTU complete, callback */ 1347 p_clcb->status = p_data->status; 1348 cb_data.cfg_mtu.conn_id = p_clcb->bta_conn_id; 1349 cb_data.cfg_mtu.status = p_data->status; 1350 cb_data.cfg_mtu.mtu = p_clcb->p_srcb->mtu; 1351 1352 (*p_clcb->p_rcb->p_cback) (BTA_GATTC_CFG_MTU_EVT, &cb_data); 1353 1354 } 1355 /******************************************************************************* 1356 ** 1357 ** Function bta_gattc_op_cmpl 1358 ** 1359 ** Description operation completed. 1360 ** 1361 ** Returns None. 1362 ** 1363 *******************************************************************************/ 1364 void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1365 { 1366 UINT8 op = (UINT8)p_data->op_cmpl.op_code; 1367 UINT8 mapped_op = 0; 1368 1369 APPL_TRACE_DEBUG("bta_gattc_op_cmpl op = %d", op); 1370 1371 if (op == GATTC_OPTYPE_INDICATION || op == GATTC_OPTYPE_NOTIFICATION) 1372 { 1373 APPL_TRACE_ERROR("unexpected operation, ignored"); 1374 } 1375 else if (op >= GATTC_OPTYPE_READ) 1376 { 1377 if (p_clcb->p_q_cmd == NULL) 1378 { 1379 APPL_TRACE_ERROR("No pending command"); 1380 return; 1381 } 1382 if (p_clcb->p_q_cmd->hdr.event != bta_gattc_opcode_to_int_evt[op - GATTC_OPTYPE_READ]) 1383 { 1384 mapped_op = p_clcb->p_q_cmd->hdr.event - BTA_GATTC_API_READ_EVT + GATTC_OPTYPE_READ; 1385 if ( mapped_op > GATTC_OPTYPE_INDICATION) mapped_op = 0; 1386 1387 #if (BT_TRACE_VERBOSE == TRUE) 1388 APPL_TRACE_ERROR("expect op:(%s :0x%04x), receive unexpected operation (%s).", 1389 bta_gattc_op_code_name[mapped_op] , p_clcb->p_q_cmd->hdr.event, 1390 bta_gattc_op_code_name[op]); 1391 #else 1392 APPL_TRACE_ERROR("expect op:(%u :0x%04x), receive unexpected operation (%u).", 1393 mapped_op , p_clcb->p_q_cmd->hdr.event, op); 1394 #endif 1395 return; 1396 } 1397 1398 /* discard responses if service change indication is received before operation completed */ 1399 if (p_clcb->auto_update == BTA_GATTC_DISC_WAITING && p_clcb->p_srcb->srvc_hdl_chg) 1400 { 1401 APPL_TRACE_DEBUG("Discard all responses when service change indication is received."); 1402 p_data->op_cmpl.status = GATT_ERROR; 1403 } 1404 1405 /* service handle change void the response, discard it */ 1406 if (op == GATTC_OPTYPE_READ) 1407 bta_gattc_read_cmpl(p_clcb, &p_data->op_cmpl); 1408 1409 else if (op == GATTC_OPTYPE_WRITE) 1410 bta_gattc_write_cmpl(p_clcb, &p_data->op_cmpl); 1411 1412 else if (op == GATTC_OPTYPE_EXE_WRITE) 1413 bta_gattc_exec_cmpl(p_clcb, &p_data->op_cmpl); 1414 1415 else if (op == GATTC_OPTYPE_CONFIG) 1416 bta_gattc_cfg_mtu_cmpl(p_clcb, &p_data->op_cmpl); 1417 1418 if (p_clcb->auto_update == BTA_GATTC_DISC_WAITING) 1419 { 1420 p_clcb->auto_update = BTA_GATTC_REQ_WAITING; 1421 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1422 } 1423 } 1424 } 1425 /******************************************************************************* 1426 ** 1427 ** Function bta_gattc_op_cmpl 1428 ** 1429 ** Description operation completed. 1430 ** 1431 ** Returns None. 1432 ** 1433 *******************************************************************************/ 1434 void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1435 { 1436 UNUSED(p_clcb); 1437 1438 /* receive op complete when discovery is started, ignore the response, 1439 and wait for discovery finish and resent */ 1440 APPL_TRACE_DEBUG("bta_gattc_ignore_op_cmpl op = %d", p_data->hdr.layer_specific); 1441 1442 } 1443 /******************************************************************************* 1444 ** 1445 ** Function bta_gattc_search 1446 ** 1447 ** Description start a search in the local server cache 1448 ** 1449 ** Returns None. 1450 ** 1451 *******************************************************************************/ 1452 void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1453 { 1454 tBTA_GATT_STATUS status = GATT_INTERNAL_ERROR; 1455 tBTA_GATTC cb_data; 1456 APPL_TRACE_DEBUG("bta_gattc_search conn_id=%d",p_clcb->bta_conn_id); 1457 if (p_clcb->p_srcb && p_clcb->p_srcb->p_srvc_cache) 1458 { 1459 status = BTA_GATT_OK; 1460 /* search the local cache of a server device */ 1461 bta_gattc_search_service(p_clcb, p_data->api_search.p_srvc_uuid); 1462 } 1463 cb_data.search_cmpl.status = status; 1464 cb_data.search_cmpl.conn_id = p_clcb->bta_conn_id; 1465 1466 /* end of search or no server cache available */ 1467 ( *p_clcb->p_rcb->p_cback)(BTA_GATTC_SEARCH_CMPL_EVT, &cb_data); 1468 } 1469 /******************************************************************************* 1470 ** 1471 ** Function bta_gattc_q_cmd 1472 ** 1473 ** Description enqueue a command into control block, usually because discovery 1474 ** operation is busy. 1475 ** 1476 ** Returns None. 1477 ** 1478 *******************************************************************************/ 1479 void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1480 { 1481 bta_gattc_enqueue(p_clcb, p_data); 1482 } 1483 1484 /******************************************************************************* 1485 ** 1486 ** Function bta_gattc_fail 1487 ** 1488 ** Description report API call failure back to apps 1489 ** 1490 ** Returns None. 1491 ** 1492 *******************************************************************************/ 1493 void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1494 { 1495 UNUSED(p_data); 1496 1497 if (p_clcb->status == BTA_GATT_OK) 1498 { 1499 APPL_TRACE_ERROR("operation not supported at current state [%d]", p_clcb->state); 1500 } 1501 } 1502 1503 /******************************************************************************* 1504 ** 1505 ** Function bta_gattc_deregister_cmpl 1506 ** 1507 ** Description De-Register a GATT client application with BTA completed. 1508 ** 1509 ** Returns void 1510 ** 1511 *******************************************************************************/ 1512 static void bta_gattc_deregister_cmpl(tBTA_GATTC_RCB *p_clreg) 1513 { 1514 tBTA_GATTC_CB *p_cb = &bta_gattc_cb; 1515 tBTA_GATTC_IF client_if = p_clreg->client_if; 1516 tBTA_GATTC cb_data; 1517 tBTA_GATTC_CBACK *p_cback = p_clreg->p_cback; 1518 1519 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 1520 1521 GATT_Deregister(p_clreg->client_if); 1522 memset(p_clreg, 0, sizeof(tBTA_GATTC_RCB)); 1523 1524 cb_data.reg_oper.client_if = client_if; 1525 cb_data.reg_oper.status = BTA_GATT_OK; 1526 1527 if (p_cback) 1528 /* callback with de-register event */ 1529 (*p_cback)(BTA_GATTC_DEREG_EVT, (tBTA_GATTC *)&cb_data); 1530 1531 if (bta_gattc_num_reg_app() == 0 && p_cb->state == BTA_GATTC_STATE_DISABLING) 1532 { 1533 p_cb->state = BTA_GATTC_STATE_DISABLED; 1534 } 1535 } 1536 /******************************************************************************* 1537 ** 1538 ** Function bta_gattc_conn_cback 1539 ** 1540 ** Description callback functions to GATT client stack. 1541 ** 1542 ** Returns void 1543 ** 1544 *******************************************************************************/ 1545 static void bta_gattc_conn_cback(tGATT_IF gattc_if, BD_ADDR bda, UINT16 conn_id, 1546 BOOLEAN connected, tGATT_DISCONN_REASON reason, 1547 tBT_TRANSPORT transport) 1548 { 1549 if (reason != 0) { 1550 APPL_TRACE_WARNING("%s() - cif=%d connected=%d conn_id=%d reason=0x%04x", 1551 __func__, gattc_if, connected, conn_id, reason); 1552 } 1553 1554 bt_bdaddr_t bdaddr; 1555 bdcpy(bdaddr.address, bda); 1556 if (connected) 1557 btif_debug_conn_state(bdaddr, BTIF_DEBUG_CONNECTED, GATT_CONN_UNKNOWN); 1558 else 1559 btif_debug_conn_state(bdaddr, BTIF_DEBUG_DISCONNECTED, reason); 1560 1561 tBTA_GATTC_DATA *p_buf = 1562 (tBTA_GATTC_DATA *)osi_calloc(sizeof(tBTA_GATTC_DATA)); 1563 p_buf->int_conn.hdr.event = connected ? BTA_GATTC_INT_CONN_EVT : 1564 BTA_GATTC_INT_DISCONN_EVT; 1565 p_buf->int_conn.hdr.layer_specific = conn_id; 1566 p_buf->int_conn.client_if = gattc_if; 1567 p_buf->int_conn.role = L2CA_GetBleConnRole(bda); 1568 p_buf->int_conn.reason = reason; 1569 p_buf->int_conn.transport = transport; 1570 bdcpy(p_buf->int_conn.remote_bda, bda); 1571 1572 bta_sys_sendmsg(p_buf); 1573 } 1574 1575 /******************************************************************************* 1576 ** 1577 ** Function bta_gattc_enc_cmpl_cback 1578 ** 1579 ** Description encryption complete callback function to GATT client stack. 1580 ** 1581 ** Returns void 1582 ** 1583 *******************************************************************************/ 1584 static void bta_gattc_enc_cmpl_cback(tGATT_IF gattc_if, BD_ADDR bda) 1585 { 1586 tBTA_GATTC_CLCB *p_clcb = 1587 bta_gattc_find_clcb_by_cif(gattc_if, bda, BTA_GATT_TRANSPORT_LE); 1588 1589 if (p_clcb == NULL) 1590 return; 1591 1592 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 1593 /* filter this event just for BTA HH LE GATT client, 1594 In the future, if we want to enable encryption complete event 1595 for all GATT clients, we can remove this code */ 1596 if (!bta_hh_le_is_hh_gatt_if(gattc_if)) 1597 { 1598 return; 1599 } 1600 #endif 1601 1602 APPL_TRACE_DEBUG("%s: cif = %d", __func__, gattc_if); 1603 1604 tBTA_GATTC_DATA *p_buf = 1605 (tBTA_GATTC_DATA *)osi_calloc(sizeof(tBTA_GATTC_DATA)); 1606 p_buf->enc_cmpl.hdr.event = BTA_GATTC_ENC_CMPL_EVT; 1607 p_buf->enc_cmpl.hdr.layer_specific = p_clcb->bta_conn_id; 1608 p_buf->enc_cmpl.client_if = gattc_if; 1609 bdcpy(p_buf->enc_cmpl.remote_bda, bda); 1610 1611 bta_sys_sendmsg(p_buf); 1612 } 1613 1614 /******************************************************************************* 1615 ** 1616 ** Function bta_gattc_process_api_refresh 1617 ** 1618 ** Description process refresh API to delete cache and start a new discovery 1619 ** if currently connected. 1620 ** 1621 ** Returns None. 1622 ** 1623 *******************************************************************************/ 1624 void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 1625 { 1626 tBTA_GATTC_SERV *p_srvc_cb = bta_gattc_find_srvr_cache(p_msg->api_conn.remote_bda); 1627 tBTA_GATTC_CLCB *p_clcb = &bta_gattc_cb.clcb[0]; 1628 BOOLEAN found = FALSE; 1629 UINT8 i; 1630 UNUSED(p_cb); 1631 1632 if (p_srvc_cb != NULL) 1633 { 1634 /* try to find a CLCB */ 1635 if (p_srvc_cb->connected && p_srvc_cb->num_clcb != 0) 1636 { 1637 for (i = 0; i < BTA_GATTC_CLCB_MAX; i ++, p_clcb ++) 1638 { 1639 if (p_clcb->in_use && p_clcb->p_srcb == p_srvc_cb) 1640 { 1641 found = TRUE; 1642 break; 1643 } 1644 } 1645 if (found) 1646 { 1647 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1648 return; 1649 } 1650 } 1651 /* in all other cases, mark it and delete the cache */ 1652 if (p_srvc_cb->p_srvc_cache != NULL) { 1653 list_free(p_srvc_cb->p_srvc_cache); 1654 p_srvc_cb->p_srvc_cache = NULL; 1655 } 1656 } 1657 /* used to reset cache in application */ 1658 bta_gattc_cache_reset(p_msg->api_conn.remote_bda); 1659 1660 } 1661 /******************************************************************************* 1662 ** 1663 ** Function bta_gattc_process_srvc_chg_ind 1664 ** 1665 ** Description process service change indication. 1666 ** 1667 ** Returns None. 1668 ** 1669 *******************************************************************************/ 1670 BOOLEAN bta_gattc_process_srvc_chg_ind(UINT16 conn_id, 1671 tBTA_GATTC_RCB *p_clrcb, 1672 tBTA_GATTC_SERV *p_srcb, 1673 tBTA_GATTC_CLCB *p_clcb, 1674 tBTA_GATTC_NOTIFY *p_notify, 1675 tGATT_VALUE *att_value) 1676 { 1677 tBT_UUID gattp_uuid, srvc_chg_uuid; 1678 BOOLEAN processed = FALSE; 1679 UINT8 i; 1680 1681 gattp_uuid.len = 2; 1682 gattp_uuid.uu.uuid16 = UUID_SERVCLASS_GATT_SERVER; 1683 1684 srvc_chg_uuid.len = 2; 1685 srvc_chg_uuid.uu.uuid16 = GATT_UUID_GATT_SRV_CHGD; 1686 1687 const tBTA_GATTC_CHARACTERISTIC *p_char = bta_gattc_get_characteristic_srcb(p_srcb, p_notify->handle); 1688 if (p_char && bta_gattc_uuid_compare(&p_char->service->uuid, &gattp_uuid, TRUE) && 1689 bta_gattc_uuid_compare(&p_char->uuid, &srvc_chg_uuid, TRUE)) 1690 { 1691 if (att_value->len != BTA_GATTC_SERVICE_CHANGED_LEN) { 1692 APPL_TRACE_ERROR("%s: received malformed service changed indication, skipping", __func__); 1693 return FALSE; 1694 } 1695 1696 UINT8 *p = att_value->value; 1697 UINT16 s_handle = ((UINT16)(*(p )) + (((UINT16)(*(p + 1))) << 8)); 1698 UINT16 e_handle = ((UINT16)(*(p + 2)) + (((UINT16)(*(p + 3))) << 8)); 1699 1700 APPL_TRACE_ERROR("%s: service changed s_handle:0x%04x e_handle:0x%04x", 1701 __func__, s_handle, e_handle); 1702 1703 processed = TRUE; 1704 /* mark service handle change pending */ 1705 p_srcb->srvc_hdl_chg = TRUE; 1706 /* clear up all notification/indication registration */ 1707 bta_gattc_clear_notif_registration(p_srcb, conn_id, s_handle, e_handle); 1708 /* service change indication all received, do discovery update */ 1709 if ( ++ p_srcb->update_count == bta_gattc_num_reg_app()) 1710 { 1711 /* not an opened connection; or connection busy */ 1712 /* search for first available clcb and start discovery */ 1713 if (p_clcb == NULL || (p_clcb && p_clcb->p_q_cmd != NULL)) 1714 { 1715 for (i = 0 ; i < BTA_GATTC_CLCB_MAX; i ++) 1716 { 1717 if (bta_gattc_cb.clcb[i].in_use && 1718 bta_gattc_cb.clcb[i].p_srcb == p_srcb && 1719 bta_gattc_cb.clcb[i].p_q_cmd == NULL) 1720 { 1721 p_clcb = &bta_gattc_cb.clcb[i]; 1722 break; 1723 } 1724 } 1725 } 1726 /* send confirmation here if this is an indication, it should always be */ 1727 GATTC_SendHandleValueConfirm(conn_id, att_value->handle); 1728 1729 /* if connection available, refresh cache by doing discovery now */ 1730 if (p_clcb != NULL) 1731 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1732 } 1733 /* notify applicationf or service change */ 1734 if (p_clrcb->p_cback != NULL) 1735 { 1736 (* p_clrcb->p_cback)(BTA_GATTC_SRVC_CHG_EVT, (tBTA_GATTC *)p_srcb->server_bda); 1737 } 1738 1739 } 1740 1741 return processed; 1742 1743 } 1744 /******************************************************************************* 1745 ** 1746 ** Function bta_gattc_proc_other_indication 1747 ** 1748 ** Description process all non-service change indication/notification. 1749 ** 1750 ** Returns None. 1751 ** 1752 *******************************************************************************/ 1753 void bta_gattc_proc_other_indication(tBTA_GATTC_CLCB *p_clcb, UINT8 op, 1754 tGATT_CL_COMPLETE *p_data, 1755 tBTA_GATTC_NOTIFY *p_notify) 1756 { 1757 APPL_TRACE_DEBUG("bta_gattc_proc_other_indication check \ 1758 p_data->att_value.handle=%d p_data->handle=%d", 1759 p_data->att_value.handle, p_data->handle); 1760 APPL_TRACE_DEBUG("is_notify", p_notify->is_notify); 1761 1762 p_notify->is_notify = (op == GATTC_OPTYPE_INDICATION) ? FALSE : TRUE; 1763 p_notify->len = p_data->att_value.len; 1764 bdcpy(p_notify->bda, p_clcb->bda); 1765 memcpy(p_notify->value, p_data->att_value.value, p_data->att_value.len); 1766 p_notify->conn_id = p_clcb->bta_conn_id; 1767 1768 if (p_clcb->p_rcb->p_cback) 1769 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_NOTIF_EVT, (tBTA_GATTC *)p_notify); 1770 1771 } 1772 /******************************************************************************* 1773 ** 1774 ** Function bta_gattc_process_indicate 1775 ** 1776 ** Description process indication/notification. 1777 ** 1778 ** Returns None. 1779 ** 1780 *******************************************************************************/ 1781 void bta_gattc_process_indicate(UINT16 conn_id, tGATTC_OPTYPE op, tGATT_CL_COMPLETE *p_data) 1782 { 1783 UINT16 handle = p_data->att_value.handle; 1784 tBTA_GATTC_CLCB *p_clcb ; 1785 tBTA_GATTC_RCB *p_clrcb = NULL; 1786 tBTA_GATTC_SERV *p_srcb = NULL; 1787 tBTA_GATTC_NOTIFY notify; 1788 BD_ADDR remote_bda; 1789 tBTA_GATTC_IF gatt_if; 1790 tBTA_TRANSPORT transport; 1791 1792 if (!GATT_GetConnectionInfor(conn_id, &gatt_if, remote_bda, &transport)) 1793 { 1794 APPL_TRACE_ERROR("%s indication/notif for unknown app", __func__); 1795 if (op == GATTC_OPTYPE_INDICATION) 1796 GATTC_SendHandleValueConfirm(conn_id, handle); 1797 return; 1798 } 1799 1800 if ((p_clrcb = bta_gattc_cl_get_regcb(gatt_if)) == NULL) 1801 { 1802 APPL_TRACE_ERROR("%s indication/notif for unregistered app", __func__); 1803 if (op == GATTC_OPTYPE_INDICATION) 1804 GATTC_SendHandleValueConfirm(conn_id, handle); 1805 return; 1806 } 1807 1808 if ((p_srcb = bta_gattc_find_srcb(remote_bda)) == NULL) 1809 { 1810 APPL_TRACE_ERROR("%s indication/notif for unknown device, ignore", __func__); 1811 if (op == GATTC_OPTYPE_INDICATION) 1812 GATTC_SendHandleValueConfirm(conn_id, handle); 1813 return; 1814 } 1815 1816 p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id); 1817 1818 notify.handle = handle; 1819 /* if non-service change indication/notification, forward to application */ 1820 if (!bta_gattc_process_srvc_chg_ind(conn_id, p_clrcb, p_srcb, p_clcb, ¬ify, &p_data->att_value)) 1821 { 1822 /* if app registered for the notification */ 1823 if (bta_gattc_check_notif_registry(p_clrcb, p_srcb, ¬ify)) 1824 { 1825 /* connection not open yet */ 1826 if (p_clcb == NULL) 1827 { 1828 p_clcb = bta_gattc_clcb_alloc(gatt_if, remote_bda, transport); 1829 1830 if (p_clcb == NULL) { 1831 APPL_TRACE_ERROR("No resources"); 1832 return; 1833 } 1834 1835 p_clcb->bta_conn_id = conn_id; 1836 p_clcb->transport = transport; 1837 1838 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_CONN_EVT, NULL); 1839 } 1840 1841 if (p_clcb != NULL) 1842 bta_gattc_proc_other_indication(p_clcb, op, p_data, ¬ify); 1843 } 1844 /* no one intersted and need ack? */ 1845 else if (op == GATTC_OPTYPE_INDICATION) 1846 { 1847 APPL_TRACE_DEBUG("%s no one interested, ack now", __func__); 1848 GATTC_SendHandleValueConfirm(conn_id, handle); 1849 } 1850 } 1851 } 1852 /******************************************************************************* 1853 ** 1854 ** Function bta_gattc_cmpl_cback 1855 ** 1856 ** Description client operation complete callback register with BTE GATT. 1857 ** 1858 ** Returns None. 1859 ** 1860 *******************************************************************************/ 1861 static void bta_gattc_cmpl_cback(UINT16 conn_id, tGATTC_OPTYPE op, tGATT_STATUS status, 1862 tGATT_CL_COMPLETE *p_data) 1863 { 1864 tBTA_GATTC_CLCB *p_clcb; 1865 APPL_TRACE_DEBUG("bta_gattc_cmpl_cback: conn_id = %d op = %d status = %d", 1866 conn_id, op, status); 1867 1868 /* notification and indication processed right away */ 1869 if (op == GATTC_OPTYPE_NOTIFICATION || op == GATTC_OPTYPE_INDICATION) 1870 { 1871 bta_gattc_process_indicate(conn_id, op, p_data); 1872 return; 1873 } 1874 /* for all other operation, not expected if w/o connection */ 1875 else if ((p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id)) == NULL) 1876 { 1877 APPL_TRACE_ERROR("bta_gattc_cmpl_cback unknown conn_id = %d, ignore data", conn_id); 1878 return; 1879 } 1880 1881 /* if over BR_EDR, inform PM for mode change */ 1882 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) 1883 { 1884 bta_sys_busy(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1885 bta_sys_idle(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1886 } 1887 1888 bta_gattc_cmpl_sendmsg(conn_id, op, status, p_data); 1889 } 1890 1891 /******************************************************************************* 1892 ** 1893 ** Function bta_gattc_cmpl_sendmsg 1894 ** 1895 ** Description client operation complete send message 1896 ** 1897 ** Returns None. 1898 ** 1899 *******************************************************************************/ 1900 static void bta_gattc_cmpl_sendmsg(UINT16 conn_id, tGATTC_OPTYPE op, 1901 tBTA_GATT_STATUS status, 1902 tGATT_CL_COMPLETE *p_data) 1903 { 1904 const size_t len = sizeof(tBTA_GATTC_OP_CMPL) + sizeof(tGATT_CL_COMPLETE); 1905 tBTA_GATTC_OP_CMPL *p_buf = (tBTA_GATTC_OP_CMPL *)osi_calloc(len); 1906 1907 p_buf->hdr.event = BTA_GATTC_OP_CMPL_EVT; 1908 p_buf->hdr.layer_specific = conn_id; 1909 p_buf->status = status; 1910 p_buf->op_code = op; 1911 1912 if (p_data != NULL) { 1913 p_buf->p_cmpl = (tGATT_CL_COMPLETE *)(p_buf + 1); 1914 memcpy(p_buf->p_cmpl, p_data, sizeof(tGATT_CL_COMPLETE)); 1915 } 1916 1917 bta_sys_sendmsg(p_buf); 1918 } 1919 1920 /******************************************************************************* 1921 ** 1922 ** Function bta_gattc_cong_cback 1923 ** 1924 ** Description congestion callback for BTA GATT client. 1925 ** 1926 ** Returns void 1927 ** 1928 ********************************************************************************/ 1929 static void bta_gattc_cong_cback (UINT16 conn_id, BOOLEAN congested) 1930 { 1931 tBTA_GATTC_CLCB *p_clcb; 1932 tBTA_GATTC cb_data; 1933 1934 if ((p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id)) != NULL) 1935 { 1936 if (p_clcb->p_rcb->p_cback) 1937 { 1938 cb_data.congest.conn_id = conn_id; 1939 cb_data.congest.congested = congested; 1940 1941 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CONGEST_EVT, &cb_data); 1942 } 1943 } 1944 } 1945 1946 #if BLE_INCLUDED == TRUE 1947 /******************************************************************************* 1948 ** 1949 ** Function bta_gattc_init_clcb_conn 1950 ** 1951 ** Description Initaite a BTA CLCB connection 1952 ** 1953 ** Returns void 1954 ** 1955 ********************************************************************************/ 1956 void bta_gattc_init_clcb_conn(UINT8 cif, BD_ADDR remote_bda) 1957 { 1958 tBTA_GATTC_CLCB *p_clcb = NULL; 1959 tBTA_GATTC_DATA gattc_data; 1960 UINT16 conn_id; 1961 1962 /* should always get the connection ID */ 1963 if (GATT_GetConnIdIfConnected(cif, remote_bda, &conn_id, BTA_GATT_TRANSPORT_LE) == FALSE) 1964 { 1965 APPL_TRACE_ERROR("bta_gattc_init_clcb_conn ERROR: not a connected device"); 1966 return; 1967 } 1968 1969 /* initaite a new connection here */ 1970 if ((p_clcb = bta_gattc_clcb_alloc(cif, remote_bda, BTA_GATT_TRANSPORT_LE)) != NULL) 1971 { 1972 gattc_data.hdr.layer_specific = p_clcb->bta_conn_id = conn_id; 1973 1974 gattc_data.api_conn.client_if = cif; 1975 memcpy(gattc_data.api_conn.remote_bda, remote_bda, BD_ADDR_LEN); 1976 gattc_data.api_conn.is_direct = TRUE; 1977 1978 bta_gattc_sm_execute(p_clcb, BTA_GATTC_API_OPEN_EVT, &gattc_data); 1979 } 1980 else 1981 { 1982 APPL_TRACE_ERROR("No resources"); 1983 } 1984 } 1985 /******************************************************************************* 1986 ** 1987 ** Function bta_gattc_process_listen_all 1988 ** 1989 ** Description process listen all, send open callback to application for all 1990 ** connected slave LE link. 1991 ** 1992 ** Returns void 1993 ** 1994 ********************************************************************************/ 1995 void bta_gattc_process_listen_all(UINT8 cif) 1996 { 1997 UINT8 i_conn = 0; 1998 tBTA_GATTC_CONN *p_conn = &bta_gattc_cb.conn_track[0]; 1999 2000 for (i_conn = 0; i_conn < BTA_GATTC_CONN_MAX; i_conn++, p_conn ++) 2001 { 2002 if (p_conn->in_use ) 2003 { 2004 if (bta_gattc_find_clcb_by_cif(cif, p_conn->remote_bda, BTA_GATT_TRANSPORT_LE) == NULL) 2005 { 2006 bta_gattc_init_clcb_conn(cif, p_conn->remote_bda); 2007 } 2008 /* else already connected */ 2009 } 2010 } 2011 } 2012 /******************************************************************************* 2013 ** 2014 ** Function bta_gattc_listen 2015 ** 2016 ** Description Start or stop a listen for connection 2017 ** 2018 ** Returns void 2019 ** 2020 ********************************************************************************/ 2021 void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 2022 { 2023 tBTA_GATTC_RCB *p_clreg = bta_gattc_cl_get_regcb(p_msg->api_listen.client_if); 2024 tBTA_GATTC cb_data; 2025 UNUSED(p_cb); 2026 2027 cb_data.reg_oper.status = BTA_GATT_ERROR; 2028 cb_data.reg_oper.client_if = p_msg->api_listen.client_if; 2029 2030 if (p_clreg == NULL) 2031 { 2032 APPL_TRACE_ERROR("bta_gattc_listen failed, unknown client_if: %d", 2033 p_msg->api_listen.client_if); 2034 return; 2035 } 2036 /* mark bg conn record */ 2037 if (bta_gattc_mark_bg_conn(p_msg->api_listen.client_if, 2038 (BD_ADDR_PTR) p_msg->api_listen.remote_bda, 2039 p_msg->api_listen.start, 2040 TRUE)) 2041 { 2042 if (!GATT_Listen(p_msg->api_listen.client_if, 2043 p_msg->api_listen.start, 2044 p_msg->api_listen.remote_bda)) 2045 { 2046 APPL_TRACE_ERROR("Listen failure"); 2047 (*p_clreg->p_cback)(BTA_GATTC_LISTEN_EVT, &cb_data); 2048 } 2049 else 2050 { 2051 cb_data.status = BTA_GATT_OK; 2052 2053 (*p_clreg->p_cback)(BTA_GATTC_LISTEN_EVT, &cb_data); 2054 2055 if (p_msg->api_listen.start) 2056 { 2057 /* if listen to a specific target */ 2058 if (p_msg->api_listen.remote_bda != NULL) 2059 { 2060 2061 /* if is a connected remote device */ 2062 if (L2CA_GetBleConnRole(p_msg->api_listen.remote_bda) == HCI_ROLE_SLAVE && 2063 bta_gattc_find_clcb_by_cif(p_msg->api_listen.client_if, 2064 p_msg->api_listen.remote_bda, 2065 BTA_GATT_TRANSPORT_LE) == NULL) 2066 { 2067 2068 bta_gattc_init_clcb_conn(p_msg->api_listen.client_if, 2069 p_msg->api_listen.remote_bda); 2070 } 2071 } 2072 /* if listen to all */ 2073 else 2074 { 2075 LOG_DEBUG(LOG_TAG, "Listen For All now"); 2076 /* go through all connected device and send 2077 callback for all connected slave connection */ 2078 bta_gattc_process_listen_all(p_msg->api_listen.client_if); 2079 } 2080 } 2081 } 2082 } 2083 } 2084 2085 /******************************************************************************* 2086 ** 2087 ** Function bta_gattc_broadcast 2088 ** 2089 ** Description Start or stop broadcasting 2090 ** 2091 ** Returns void 2092 ** 2093 ********************************************************************************/ 2094 void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 2095 { 2096 tBTA_GATTC_RCB *p_clreg = bta_gattc_cl_get_regcb(p_msg->api_listen.client_if); 2097 tBTA_GATTC cb_data; 2098 UNUSED(p_cb); 2099 2100 cb_data.reg_oper.client_if = p_msg->api_listen.client_if; 2101 cb_data.reg_oper.status = BTM_BleBroadcast(p_msg->api_listen.start); 2102 2103 if (p_clreg && p_clreg->p_cback) 2104 (*p_clreg->p_cback)(BTA_GATTC_LISTEN_EVT, &cb_data); 2105 } 2106 #endif 2107 #endif 2108
