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 p_clcb->p_srcb->state = BTA_GATTC_SERV_IDLE; 719 bta_gattc_reset_discover_st(p_clcb->p_srcb, BTA_GATT_OK); 720 } else { 721 p_clcb->p_srcb->state = BTA_GATTC_SERV_DISC; 722 /* cache load failure, start discovery */ 723 bta_gattc_start_discover(p_clcb, NULL); 724 } 725 } 726 else /* cache is building */ 727 p_clcb->state = BTA_GATTC_DISCOVER_ST; 728 } 729 730 else 731 { 732 /* a pending service handle change indication */ 733 if (p_clcb->p_srcb->srvc_hdl_chg) 734 { 735 p_clcb->p_srcb->srvc_hdl_chg = FALSE; 736 /* start discovery */ 737 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 738 } 739 } 740 741 if (p_clcb->p_rcb) 742 { 743 /* there is no RM for GATT */ 744 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) 745 bta_sys_conn_open(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 746 747 bta_gattc_send_open_cback(p_clcb->p_rcb, 748 BTA_GATT_OK, 749 p_clcb->bda, 750 p_clcb->bta_conn_id, 751 p_clcb->transport, 752 p_clcb->p_srcb->mtu); 753 } 754 } 755 /******************************************************************************* 756 ** 757 ** Function bta_gattc_close_fail 758 ** 759 ** Description close a connection. 760 ** 761 ** Returns void 762 ** 763 *******************************************************************************/ 764 void bta_gattc_close_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 765 { 766 tBTA_GATTC cb_data; 767 768 if ( p_clcb->p_rcb->p_cback ) 769 { 770 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 771 cb_data.close.client_if = p_clcb->p_rcb->client_if; 772 cb_data.close.conn_id = p_data->hdr.layer_specific; 773 bdcpy(cb_data.close.remote_bda, p_clcb->bda); 774 cb_data.close.status = BTA_GATT_ERROR; 775 cb_data.close.reason = BTA_GATT_CONN_NONE; 776 777 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CLOSE_EVT, &cb_data); 778 } 779 } 780 /******************************************************************************* 781 ** 782 ** Function bta_gattc_api_close 783 ** 784 ** Description close a GATTC connection. 785 ** 786 ** Returns void 787 ** 788 *******************************************************************************/ 789 void bta_gattc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 790 { 791 tBTA_GATTC_CBACK *p_cback = p_clcb->p_rcb->p_cback; 792 tBTA_GATTC_RCB *p_clreg = p_clcb->p_rcb; 793 tBTA_GATTC cb_data; 794 795 APPL_TRACE_DEBUG("bta_gattc_close conn_id=%d",p_clcb->bta_conn_id); 796 797 cb_data.close.client_if = p_clcb->p_rcb->client_if; 798 cb_data.close.conn_id = p_clcb->bta_conn_id; 799 cb_data.close.reason = p_clcb->reason; 800 cb_data.close.status = p_clcb->status; 801 bdcpy(cb_data.close.remote_bda, p_clcb->bda); 802 803 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) 804 bta_sys_conn_close( BTA_ID_GATTC ,BTA_ALL_APP_ID, p_clcb->bda); 805 806 bta_gattc_clcb_dealloc(p_clcb); 807 808 if (p_data->hdr.event == BTA_GATTC_API_CLOSE_EVT) 809 { 810 cb_data.close.status = GATT_Disconnect(p_data->hdr.layer_specific); 811 } 812 else if (p_data->hdr.event == BTA_GATTC_INT_DISCONN_EVT) 813 { 814 cb_data.close.status = p_data->int_conn.reason; 815 cb_data.close.reason = p_data->int_conn.reason; 816 } 817 818 if(p_cback) 819 (* p_cback)(BTA_GATTC_CLOSE_EVT, (tBTA_GATTC *)&cb_data); 820 821 if (p_clreg->num_clcb == 0 && p_clreg->dereg_pending) 822 { 823 bta_gattc_deregister_cmpl(p_clreg); 824 } 825 } 826 /******************************************************************************* 827 ** 828 ** Function bta_gattc_reset_discover_st 829 ** 830 ** Description when a SRCB finished discovery, tell all related clcb. 831 ** 832 ** Returns None. 833 ** 834 *******************************************************************************/ 835 void bta_gattc_reset_discover_st(tBTA_GATTC_SERV *p_srcb, tBTA_GATT_STATUS status) 836 { 837 tBTA_GATTC_CB *p_cb = &bta_gattc_cb; 838 UINT8 i; 839 840 for (i = 0; i < BTA_GATTC_CLCB_MAX; i ++) 841 { 842 if (p_cb->clcb[i].p_srcb == p_srcb) 843 { 844 p_cb->clcb[i].status = status; 845 bta_gattc_sm_execute(&p_cb->clcb[i], BTA_GATTC_DISCOVER_CMPL_EVT, NULL); 846 } 847 } 848 } 849 /******************************************************************************* 850 ** 851 ** Function bta_gattc_disc_close 852 ** 853 ** Description close a GATTC connection while in discovery state. 854 ** 855 ** Returns void 856 ** 857 *******************************************************************************/ 858 void bta_gattc_disc_close(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 859 { 860 APPL_TRACE_DEBUG("%s: Discovery cancel conn_id=%d", __func__, 861 p_clcb->bta_conn_id); 862 863 if (p_clcb->disc_active) 864 bta_gattc_reset_discover_st(p_clcb->p_srcb, BTA_GATT_ERROR); 865 else 866 p_clcb->state = BTA_GATTC_CONN_ST; 867 868 // This function only gets called as the result of a BTA_GATTC_API_CLOSE_EVT 869 // while in the BTA_GATTC_DISCOVER_ST state. Once the state changes, the 870 // connection itself still needs to be closed to resolve the original event. 871 if (p_clcb->state == BTA_GATTC_CONN_ST) 872 { 873 APPL_TRACE_DEBUG("State is back to BTA_GATTC_CONN_ST. " 874 "Trigger connection close"); 875 bta_gattc_close(p_clcb, p_data); 876 } 877 } 878 /******************************************************************************* 879 ** 880 ** Function bta_gattc_set_discover_st 881 ** 882 ** Description when a SRCB start discovery, tell all related clcb and set 883 ** the state. 884 ** 885 ** Returns None. 886 ** 887 *******************************************************************************/ 888 void bta_gattc_set_discover_st(tBTA_GATTC_SERV *p_srcb) 889 { 890 tBTA_GATTC_CB *p_cb = &bta_gattc_cb; 891 UINT8 i; 892 893 #if BLE_INCLUDED == TRUE 894 L2CA_EnableUpdateBleConnParams(p_srcb->server_bda, FALSE); 895 #endif 896 for (i = 0; i < BTA_GATTC_CLCB_MAX; i ++) 897 { 898 if (p_cb->clcb[i].p_srcb == p_srcb) 899 { 900 p_cb->clcb[i].status = BTA_GATT_OK; 901 p_cb->clcb[i].state = BTA_GATTC_DISCOVER_ST; 902 } 903 } 904 } 905 /******************************************************************************* 906 ** 907 ** Function bta_gattc_restart_discover 908 ** 909 ** Description process service change in discovery state, mark up the auto 910 ** update flag and set status to be discovery cancel for current 911 ** discovery. 912 ** 913 ** Returns None. 914 ** 915 *******************************************************************************/ 916 void bta_gattc_restart_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 917 { 918 UNUSED(p_data); 919 920 p_clcb->status = BTA_GATT_CANCEL; 921 p_clcb->auto_update = BTA_GATTC_DISC_WAITING; 922 } 923 924 /******************************************************************************* 925 ** 926 ** Function bta_gattc_cfg_mtu 927 ** 928 ** Description Configure MTU size on the GATT connection. 929 ** 930 ** Returns None. 931 ** 932 *******************************************************************************/ 933 void bta_gattc_cfg_mtu(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 934 { 935 tBTA_GATT_STATUS status; 936 937 if (bta_gattc_enqueue(p_clcb, p_data)) 938 { 939 status = GATTC_ConfigureMTU (p_clcb->bta_conn_id, p_data->api_mtu.mtu); 940 941 /* if failed, return callback here */ 942 if (status != GATT_SUCCESS && status != GATT_CMD_STARTED) 943 { 944 /* Dequeue the data, if it was enqueued */ 945 if (p_clcb->p_q_cmd == p_data) 946 p_clcb->p_q_cmd = NULL; 947 948 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_CONFIG, status, NULL); 949 } 950 } 951 } 952 /******************************************************************************* 953 ** 954 ** Function bta_gattc_start_discover 955 ** 956 ** Description Start a discovery on server. 957 ** 958 ** Returns None. 959 ** 960 *******************************************************************************/ 961 void bta_gattc_start_discover(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 962 { 963 UNUSED(p_data); 964 965 APPL_TRACE_DEBUG("bta_gattc_start_discover conn_id=%d p_clcb->p_srcb->state = %d ", 966 p_clcb->bta_conn_id, p_clcb->p_srcb->state); 967 968 if (((p_clcb->p_q_cmd == NULL || p_clcb->auto_update == BTA_GATTC_REQ_WAITING) && 969 p_clcb->p_srcb->state == BTA_GATTC_SERV_IDLE) || 970 p_clcb->p_srcb->state == BTA_GATTC_SERV_DISC) 971 /* no pending operation, start discovery right away */ 972 { 973 p_clcb->auto_update = BTA_GATTC_NO_SCHEDULE; 974 975 if (p_clcb->p_srcb != NULL) 976 { 977 /* clear the service change mask */ 978 p_clcb->p_srcb->srvc_hdl_chg = FALSE; 979 p_clcb->p_srcb->update_count = 0; 980 p_clcb->p_srcb->state = BTA_GATTC_SERV_DISC_ACT; 981 982 if (p_clcb->transport == BTA_TRANSPORT_LE) 983 L2CA_EnableUpdateBleConnParams(p_clcb->p_srcb->server_bda, FALSE); 984 985 /* set all srcb related clcb into discovery ST */ 986 bta_gattc_set_discover_st(p_clcb->p_srcb); 987 988 if ((p_clcb->status = bta_gattc_init_cache(p_clcb->p_srcb)) == BTA_GATT_OK) 989 { 990 p_clcb->status = bta_gattc_discover_pri_service(p_clcb->bta_conn_id, 991 p_clcb->p_srcb, GATT_DISC_SRVC_ALL); 992 } 993 if (p_clcb->status != BTA_GATT_OK) 994 { 995 APPL_TRACE_ERROR("discovery on server failed"); 996 bta_gattc_reset_discover_st(p_clcb->p_srcb, p_clcb->status); 997 } 998 else 999 p_clcb->disc_active = TRUE; 1000 } 1001 else 1002 { 1003 APPL_TRACE_ERROR("unknown device, can not start discovery"); 1004 } 1005 } 1006 /* pending operation, wait until it finishes */ 1007 else 1008 { 1009 p_clcb->auto_update = BTA_GATTC_DISC_WAITING; 1010 1011 if (p_clcb->p_srcb->state == BTA_GATTC_SERV_IDLE) 1012 p_clcb->state = BTA_GATTC_CONN_ST; /* set clcb state */ 1013 } 1014 1015 } 1016 /******************************************************************************* 1017 ** 1018 ** Function bta_gattc_disc_cmpl 1019 ** 1020 ** Description discovery on server is finished 1021 ** 1022 ** Returns None. 1023 ** 1024 *******************************************************************************/ 1025 void bta_gattc_disc_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1026 { 1027 tBTA_GATTC_DATA *p_q_cmd = p_clcb->p_q_cmd; 1028 UNUSED(p_data); 1029 1030 APPL_TRACE_DEBUG("bta_gattc_disc_cmpl conn_id=%d",p_clcb->bta_conn_id); 1031 1032 #if BLE_INCLUDED == TRUE 1033 if(p_clcb->transport == BTA_TRANSPORT_LE) 1034 L2CA_EnableUpdateBleConnParams(p_clcb->p_srcb->server_bda, TRUE); 1035 #endif 1036 p_clcb->p_srcb->state = BTA_GATTC_SERV_IDLE; 1037 p_clcb->disc_active = FALSE; 1038 1039 if (p_clcb->status != GATT_SUCCESS) 1040 { 1041 /* clean up cache */ 1042 if(p_clcb->p_srcb && p_clcb->p_srcb->p_srvc_cache) { 1043 list_free(p_clcb->p_srcb->p_srvc_cache); 1044 p_clcb->p_srcb->p_srvc_cache = NULL; 1045 } 1046 1047 /* used to reset cache in application */ 1048 bta_gattc_cache_reset(p_clcb->p_srcb->server_bda); 1049 } 1050 if (p_clcb->p_srcb && p_clcb->p_srcb->p_srvc_list) { 1051 /* release pending attribute list buffer */ 1052 osi_free_and_reset((void **)&p_clcb->p_srcb->p_srvc_list); 1053 } 1054 1055 if (p_clcb->auto_update == BTA_GATTC_DISC_WAITING) 1056 { 1057 /* start discovery again */ 1058 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1059 } 1060 /* get any queued command to proceed */ 1061 else if (p_q_cmd != NULL) 1062 { 1063 p_clcb->p_q_cmd = NULL; 1064 /* execute pending operation of link block still present */ 1065 if (l2cu_find_lcb_by_bd_addr(p_clcb->p_srcb->server_bda, BT_TRANSPORT_LE) != NULL) { 1066 bta_gattc_sm_execute(p_clcb, p_q_cmd->hdr.event, p_q_cmd); 1067 } 1068 /* if the command executed requeued the cmd, we don't 1069 * want to free the underlying buffer that's being 1070 * referenced by p_clcb->p_q_cmd 1071 */ 1072 if (p_q_cmd != p_clcb->p_q_cmd) 1073 osi_free_and_reset((void **)&p_q_cmd); 1074 } 1075 } 1076 /******************************************************************************* 1077 ** 1078 ** Function bta_gattc_read 1079 ** 1080 ** Description Read an attribute 1081 ** 1082 ** Returns None. 1083 ** 1084 *******************************************************************************/ 1085 void bta_gattc_read(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1086 { 1087 if (!bta_gattc_enqueue(p_clcb, p_data)) 1088 return; 1089 1090 tGATT_READ_PARAM read_param; 1091 memset (&read_param, 0 ,sizeof(tGATT_READ_PARAM)); 1092 read_param.by_handle.handle = p_data->api_read.handle; 1093 read_param.by_handle.auth_req = p_data->api_read.auth_req; 1094 1095 tBTA_GATT_STATUS status = GATTC_Read(p_clcb->bta_conn_id, GATT_READ_BY_HANDLE, &read_param); 1096 1097 /* read fail */ 1098 if (status != BTA_GATT_OK) 1099 { 1100 /* Dequeue the data, if it was enqueued */ 1101 if (p_clcb->p_q_cmd == p_data) 1102 p_clcb->p_q_cmd = NULL; 1103 1104 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_READ, status, NULL); 1105 } 1106 } 1107 /******************************************************************************* 1108 ** 1109 ** Function bta_gattc_read_multi 1110 ** 1111 ** Description read multiple 1112 ** 1113 ** Returns None. 1114 *********************************************************************************/ 1115 void bta_gattc_read_multi(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1116 { 1117 tBTA_GATT_STATUS status = BTA_GATT_OK; 1118 tGATT_READ_PARAM read_param; 1119 1120 if (bta_gattc_enqueue(p_clcb, p_data)) 1121 { 1122 memset(&read_param, 0, sizeof(tGATT_READ_PARAM)); 1123 1124 if (status == BTA_GATT_OK) 1125 { 1126 read_param.read_multiple.num_handles = p_data->api_read_multi.num_attr; 1127 read_param.read_multiple.auth_req = p_data->api_read_multi.auth_req; 1128 memcpy(&read_param.read_multiple.handles, p_data->api_read_multi.handles, 1129 sizeof(UINT16) * p_data->api_read_multi.num_attr); 1130 1131 status = GATTC_Read(p_clcb->bta_conn_id, GATT_READ_MULTIPLE, &read_param); 1132 } 1133 1134 /* read fail */ 1135 if (status != BTA_GATT_OK) 1136 { 1137 /* Dequeue the data, if it was enqueued */ 1138 if (p_clcb->p_q_cmd == p_data) 1139 p_clcb->p_q_cmd = NULL; 1140 1141 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_READ, status, NULL); 1142 } 1143 } 1144 } 1145 /******************************************************************************* 1146 ** 1147 ** Function bta_gattc_write 1148 ** 1149 ** Description Write an attribute 1150 ** 1151 ** Returns None. 1152 ** 1153 *******************************************************************************/ 1154 void bta_gattc_write(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1155 { 1156 if (!bta_gattc_enqueue(p_clcb, p_data)) 1157 return; 1158 1159 tBTA_GATT_STATUS status = BTA_GATT_OK; 1160 tGATT_VALUE attr; 1161 1162 attr.conn_id = p_clcb->bta_conn_id; 1163 attr.handle = p_data->api_write.handle; 1164 attr.offset = p_data->api_write.offset; 1165 attr.len = p_data->api_write.len; 1166 attr.auth_req = p_data->api_write.auth_req; 1167 1168 if (p_data->api_write.p_value) 1169 memcpy(attr.value, p_data->api_write.p_value, p_data->api_write.len); 1170 1171 status = GATTC_Write(p_clcb->bta_conn_id, p_data->api_write.write_type, &attr); 1172 1173 /* write fail */ 1174 if (status != BTA_GATT_OK) 1175 { 1176 /* Dequeue the data, if it was enqueued */ 1177 if (p_clcb->p_q_cmd == p_data) 1178 p_clcb->p_q_cmd = NULL; 1179 1180 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_WRITE, status, NULL); 1181 } 1182 } 1183 /******************************************************************************* 1184 ** 1185 ** Function bta_gattc_execute 1186 ** 1187 ** Description send execute write 1188 ** 1189 ** Returns None. 1190 *********************************************************************************/ 1191 void bta_gattc_execute(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1192 { 1193 tBTA_GATT_STATUS status; 1194 1195 if (bta_gattc_enqueue(p_clcb, p_data)) 1196 { 1197 status = GATTC_ExecuteWrite(p_clcb->bta_conn_id, p_data->api_exec.is_execute); 1198 1199 if (status != BTA_GATT_OK) 1200 { 1201 /* Dequeue the data, if it was enqueued */ 1202 if (p_clcb->p_q_cmd == p_data) 1203 p_clcb->p_q_cmd = NULL; 1204 1205 bta_gattc_cmpl_sendmsg(p_clcb->bta_conn_id, GATTC_OPTYPE_EXE_WRITE, status, NULL); 1206 } 1207 } 1208 } 1209 /******************************************************************************* 1210 ** 1211 ** Function bta_gattc_confirm 1212 ** 1213 ** Description send handle value confirmation 1214 ** 1215 ** Returns None. 1216 ** 1217 *******************************************************************************/ 1218 void bta_gattc_confirm(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1219 { 1220 UINT16 handle = p_data->api_confirm.handle; 1221 1222 if (GATTC_SendHandleValueConfirm(p_data->api_confirm.hdr.layer_specific, handle) 1223 != GATT_SUCCESS) { 1224 APPL_TRACE_ERROR("bta_gattc_confirm to handle [0x%04x] failed", handle); 1225 } else { 1226 /* if over BR_EDR, inform PM for mode change */ 1227 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) { 1228 bta_sys_busy(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1229 bta_sys_idle(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1230 } 1231 } 1232 } 1233 /******************************************************************************* 1234 ** 1235 ** Function bta_gattc_read_cmpl 1236 ** 1237 ** Description read complete 1238 ** 1239 ** Returns None. 1240 ** 1241 *******************************************************************************/ 1242 void bta_gattc_read_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1243 { 1244 UINT8 event; 1245 tBTA_GATTC cb_data; 1246 tBTA_GATT_UNFMT read_value; 1247 1248 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 1249 memset(&read_value, 0, sizeof(tBTA_GATT_UNFMT)); 1250 1251 cb_data.read.status = p_data->status; 1252 1253 if (p_data->p_cmpl != NULL && p_data->status == BTA_GATT_OK) 1254 { 1255 cb_data.read.handle = p_data->p_cmpl->att_value.handle; 1256 1257 read_value.len = p_data->p_cmpl->att_value.len; 1258 read_value.p_value = p_data->p_cmpl->att_value.value; 1259 cb_data.read.p_value = &read_value; 1260 } else { 1261 cb_data.read.handle = p_clcb->p_q_cmd->api_read.handle; 1262 } 1263 1264 event = p_clcb->p_q_cmd->api_read.cmpl_evt; 1265 cb_data.read.conn_id = p_clcb->bta_conn_id; 1266 1267 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1268 /* read complete, callback */ 1269 ( *p_clcb->p_rcb->p_cback)(event, (tBTA_GATTC *)&cb_data); 1270 1271 } 1272 /******************************************************************************* 1273 ** 1274 ** Function bta_gattc_write_cmpl 1275 ** 1276 ** Description write complete 1277 ** 1278 ** Returns None. 1279 ** 1280 *******************************************************************************/ 1281 void bta_gattc_write_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1282 { 1283 tBTA_GATTC cb_data = {0}; 1284 UINT8 event; 1285 1286 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 1287 1288 cb_data.write.status = p_data->status; 1289 cb_data.write.handle = p_data->p_cmpl->att_value.handle; 1290 1291 if (p_clcb->p_q_cmd->api_write.hdr.event == BTA_GATTC_API_WRITE_EVT && 1292 p_clcb->p_q_cmd->api_write.write_type == BTA_GATTC_WRITE_PREPARE) 1293 1294 event = BTA_GATTC_PREP_WRITE_EVT; 1295 1296 else 1297 event = p_clcb->p_q_cmd->api_write.cmpl_evt; 1298 1299 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1300 cb_data.write.conn_id = p_clcb->bta_conn_id; 1301 /* write complete, callback */ 1302 ( *p_clcb->p_rcb->p_cback)(event, (tBTA_GATTC *)&cb_data); 1303 1304 } 1305 /******************************************************************************* 1306 ** 1307 ** Function bta_gattc_exec_cmpl 1308 ** 1309 ** Description execute write complete 1310 ** 1311 ** Returns None. 1312 ** 1313 *******************************************************************************/ 1314 void bta_gattc_exec_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1315 { 1316 tBTA_GATTC cb_data; 1317 1318 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1319 p_clcb->status = BTA_GATT_OK; 1320 1321 /* execute complete, callback */ 1322 cb_data.exec_cmpl.conn_id = p_clcb->bta_conn_id; 1323 cb_data.exec_cmpl.status = p_data->status; 1324 1325 ( *p_clcb->p_rcb->p_cback)(BTA_GATTC_EXEC_EVT, &cb_data); 1326 1327 } 1328 1329 /******************************************************************************* 1330 ** 1331 ** Function bta_gattc_cfg_mtu_cmpl 1332 ** 1333 ** Description configure MTU operation complete 1334 ** 1335 ** Returns None. 1336 ** 1337 *******************************************************************************/ 1338 void bta_gattc_cfg_mtu_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_OP_CMPL *p_data) 1339 { 1340 tBTA_GATTC cb_data; 1341 1342 osi_free_and_reset((void **)&p_clcb->p_q_cmd); 1343 1344 if (p_data->p_cmpl && p_data->status == BTA_GATT_OK) 1345 p_clcb->p_srcb->mtu = p_data->p_cmpl->mtu; 1346 1347 /* configure MTU complete, callback */ 1348 p_clcb->status = p_data->status; 1349 cb_data.cfg_mtu.conn_id = p_clcb->bta_conn_id; 1350 cb_data.cfg_mtu.status = p_data->status; 1351 cb_data.cfg_mtu.mtu = p_clcb->p_srcb->mtu; 1352 1353 (*p_clcb->p_rcb->p_cback) (BTA_GATTC_CFG_MTU_EVT, &cb_data); 1354 1355 } 1356 /******************************************************************************* 1357 ** 1358 ** Function bta_gattc_op_cmpl 1359 ** 1360 ** Description operation completed. 1361 ** 1362 ** Returns None. 1363 ** 1364 *******************************************************************************/ 1365 void bta_gattc_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1366 { 1367 UINT8 op = (UINT8)p_data->op_cmpl.op_code; 1368 UINT8 mapped_op = 0; 1369 1370 APPL_TRACE_DEBUG("bta_gattc_op_cmpl op = %d", op); 1371 1372 if (op == GATTC_OPTYPE_INDICATION || op == GATTC_OPTYPE_NOTIFICATION) 1373 { 1374 APPL_TRACE_ERROR("unexpected operation, ignored"); 1375 } 1376 else if (op >= GATTC_OPTYPE_READ) 1377 { 1378 if (p_clcb->p_q_cmd == NULL) 1379 { 1380 APPL_TRACE_ERROR("No pending command"); 1381 return; 1382 } 1383 if (p_clcb->p_q_cmd->hdr.event != bta_gattc_opcode_to_int_evt[op - GATTC_OPTYPE_READ]) 1384 { 1385 mapped_op = p_clcb->p_q_cmd->hdr.event - BTA_GATTC_API_READ_EVT + GATTC_OPTYPE_READ; 1386 if ( mapped_op > GATTC_OPTYPE_INDICATION) mapped_op = 0; 1387 1388 #if (BT_TRACE_VERBOSE == TRUE) 1389 APPL_TRACE_ERROR("expect op:(%s :0x%04x), receive unexpected operation (%s).", 1390 bta_gattc_op_code_name[mapped_op] , p_clcb->p_q_cmd->hdr.event, 1391 bta_gattc_op_code_name[op]); 1392 #else 1393 APPL_TRACE_ERROR("expect op:(%u :0x%04x), receive unexpected operation (%u).", 1394 mapped_op , p_clcb->p_q_cmd->hdr.event, op); 1395 #endif 1396 return; 1397 } 1398 1399 /* discard responses if service change indication is received before operation completed */ 1400 if (p_clcb->auto_update == BTA_GATTC_DISC_WAITING && p_clcb->p_srcb->srvc_hdl_chg) 1401 { 1402 APPL_TRACE_DEBUG("Discard all responses when service change indication is received."); 1403 p_data->op_cmpl.status = GATT_ERROR; 1404 } 1405 1406 /* service handle change void the response, discard it */ 1407 if (op == GATTC_OPTYPE_READ) 1408 bta_gattc_read_cmpl(p_clcb, &p_data->op_cmpl); 1409 1410 else if (op == GATTC_OPTYPE_WRITE) 1411 bta_gattc_write_cmpl(p_clcb, &p_data->op_cmpl); 1412 1413 else if (op == GATTC_OPTYPE_EXE_WRITE) 1414 bta_gattc_exec_cmpl(p_clcb, &p_data->op_cmpl); 1415 1416 else if (op == GATTC_OPTYPE_CONFIG) 1417 bta_gattc_cfg_mtu_cmpl(p_clcb, &p_data->op_cmpl); 1418 1419 if (p_clcb->auto_update == BTA_GATTC_DISC_WAITING) 1420 { 1421 p_clcb->auto_update = BTA_GATTC_REQ_WAITING; 1422 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1423 } 1424 } 1425 } 1426 /******************************************************************************* 1427 ** 1428 ** Function bta_gattc_op_cmpl 1429 ** 1430 ** Description operation completed. 1431 ** 1432 ** Returns None. 1433 ** 1434 *******************************************************************************/ 1435 void bta_gattc_ignore_op_cmpl(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1436 { 1437 UNUSED(p_clcb); 1438 1439 /* receive op complete when discovery is started, ignore the response, 1440 and wait for discovery finish and resent */ 1441 APPL_TRACE_DEBUG("bta_gattc_ignore_op_cmpl op = %d", p_data->hdr.layer_specific); 1442 1443 } 1444 /******************************************************************************* 1445 ** 1446 ** Function bta_gattc_search 1447 ** 1448 ** Description start a search in the local server cache 1449 ** 1450 ** Returns None. 1451 ** 1452 *******************************************************************************/ 1453 void bta_gattc_search(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1454 { 1455 tBTA_GATT_STATUS status = GATT_INTERNAL_ERROR; 1456 tBTA_GATTC cb_data; 1457 APPL_TRACE_DEBUG("bta_gattc_search conn_id=%d",p_clcb->bta_conn_id); 1458 if (p_clcb->p_srcb && p_clcb->p_srcb->p_srvc_cache) 1459 { 1460 status = BTA_GATT_OK; 1461 /* search the local cache of a server device */ 1462 bta_gattc_search_service(p_clcb, p_data->api_search.p_srvc_uuid); 1463 } 1464 cb_data.search_cmpl.status = status; 1465 cb_data.search_cmpl.conn_id = p_clcb->bta_conn_id; 1466 1467 /* end of search or no server cache available */ 1468 ( *p_clcb->p_rcb->p_cback)(BTA_GATTC_SEARCH_CMPL_EVT, &cb_data); 1469 } 1470 /******************************************************************************* 1471 ** 1472 ** Function bta_gattc_q_cmd 1473 ** 1474 ** Description enqueue a command into control block, usually because discovery 1475 ** operation is busy. 1476 ** 1477 ** Returns None. 1478 ** 1479 *******************************************************************************/ 1480 void bta_gattc_q_cmd(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1481 { 1482 bta_gattc_enqueue(p_clcb, p_data); 1483 } 1484 1485 /******************************************************************************* 1486 ** 1487 ** Function bta_gattc_fail 1488 ** 1489 ** Description report API call failure back to apps 1490 ** 1491 ** Returns None. 1492 ** 1493 *******************************************************************************/ 1494 void bta_gattc_fail(tBTA_GATTC_CLCB *p_clcb, tBTA_GATTC_DATA *p_data) 1495 { 1496 UNUSED(p_data); 1497 1498 if (p_clcb->status == BTA_GATT_OK) 1499 { 1500 APPL_TRACE_ERROR("operation not supported at current state [%d]", p_clcb->state); 1501 } 1502 } 1503 1504 /******************************************************************************* 1505 ** 1506 ** Function bta_gattc_deregister_cmpl 1507 ** 1508 ** Description De-Register a GATT client application with BTA completed. 1509 ** 1510 ** Returns void 1511 ** 1512 *******************************************************************************/ 1513 static void bta_gattc_deregister_cmpl(tBTA_GATTC_RCB *p_clreg) 1514 { 1515 tBTA_GATTC_CB *p_cb = &bta_gattc_cb; 1516 tBTA_GATTC_IF client_if = p_clreg->client_if; 1517 tBTA_GATTC cb_data; 1518 tBTA_GATTC_CBACK *p_cback = p_clreg->p_cback; 1519 1520 memset(&cb_data, 0, sizeof(tBTA_GATTC)); 1521 1522 GATT_Deregister(p_clreg->client_if); 1523 memset(p_clreg, 0, sizeof(tBTA_GATTC_RCB)); 1524 1525 cb_data.reg_oper.client_if = client_if; 1526 cb_data.reg_oper.status = BTA_GATT_OK; 1527 1528 if (p_cback) 1529 /* callback with de-register event */ 1530 (*p_cback)(BTA_GATTC_DEREG_EVT, (tBTA_GATTC *)&cb_data); 1531 1532 if (bta_gattc_num_reg_app() == 0 && p_cb->state == BTA_GATTC_STATE_DISABLING) 1533 { 1534 p_cb->state = BTA_GATTC_STATE_DISABLED; 1535 } 1536 } 1537 /******************************************************************************* 1538 ** 1539 ** Function bta_gattc_conn_cback 1540 ** 1541 ** Description callback functions to GATT client stack. 1542 ** 1543 ** Returns void 1544 ** 1545 *******************************************************************************/ 1546 static void bta_gattc_conn_cback(tGATT_IF gattc_if, BD_ADDR bda, UINT16 conn_id, 1547 BOOLEAN connected, tGATT_DISCONN_REASON reason, 1548 tBT_TRANSPORT transport) 1549 { 1550 if (reason != 0) { 1551 APPL_TRACE_WARNING("%s() - cif=%d connected=%d conn_id=%d reason=0x%04x", 1552 __func__, gattc_if, connected, conn_id, reason); 1553 } 1554 1555 bt_bdaddr_t bdaddr; 1556 bdcpy(bdaddr.address, bda); 1557 if (connected) 1558 btif_debug_conn_state(bdaddr, BTIF_DEBUG_CONNECTED, GATT_CONN_UNKNOWN); 1559 else 1560 btif_debug_conn_state(bdaddr, BTIF_DEBUG_DISCONNECTED, reason); 1561 1562 tBTA_GATTC_DATA *p_buf = 1563 (tBTA_GATTC_DATA *)osi_calloc(sizeof(tBTA_GATTC_DATA)); 1564 p_buf->int_conn.hdr.event = connected ? BTA_GATTC_INT_CONN_EVT : 1565 BTA_GATTC_INT_DISCONN_EVT; 1566 p_buf->int_conn.hdr.layer_specific = conn_id; 1567 p_buf->int_conn.client_if = gattc_if; 1568 p_buf->int_conn.role = L2CA_GetBleConnRole(bda); 1569 p_buf->int_conn.reason = reason; 1570 p_buf->int_conn.transport = transport; 1571 bdcpy(p_buf->int_conn.remote_bda, bda); 1572 1573 bta_sys_sendmsg(p_buf); 1574 } 1575 1576 /******************************************************************************* 1577 ** 1578 ** Function bta_gattc_enc_cmpl_cback 1579 ** 1580 ** Description encryption complete callback function to GATT client stack. 1581 ** 1582 ** Returns void 1583 ** 1584 *******************************************************************************/ 1585 static void bta_gattc_enc_cmpl_cback(tGATT_IF gattc_if, BD_ADDR bda) 1586 { 1587 tBTA_GATTC_CLCB *p_clcb = 1588 bta_gattc_find_clcb_by_cif(gattc_if, bda, BTA_GATT_TRANSPORT_LE); 1589 1590 if (p_clcb == NULL) 1591 return; 1592 1593 #if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE) 1594 /* filter this event just for BTA HH LE GATT client, 1595 In the future, if we want to enable encryption complete event 1596 for all GATT clients, we can remove this code */ 1597 if (!bta_hh_le_is_hh_gatt_if(gattc_if)) 1598 { 1599 return; 1600 } 1601 #endif 1602 1603 APPL_TRACE_DEBUG("%s: cif = %d", __func__, gattc_if); 1604 1605 tBTA_GATTC_DATA *p_buf = 1606 (tBTA_GATTC_DATA *)osi_calloc(sizeof(tBTA_GATTC_DATA)); 1607 p_buf->enc_cmpl.hdr.event = BTA_GATTC_ENC_CMPL_EVT; 1608 p_buf->enc_cmpl.hdr.layer_specific = p_clcb->bta_conn_id; 1609 p_buf->enc_cmpl.client_if = gattc_if; 1610 bdcpy(p_buf->enc_cmpl.remote_bda, bda); 1611 1612 bta_sys_sendmsg(p_buf); 1613 } 1614 1615 /******************************************************************************* 1616 ** 1617 ** Function bta_gattc_process_api_refresh 1618 ** 1619 ** Description process refresh API to delete cache and start a new discovery 1620 ** if currently connected. 1621 ** 1622 ** Returns None. 1623 ** 1624 *******************************************************************************/ 1625 void bta_gattc_process_api_refresh(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 1626 { 1627 tBTA_GATTC_SERV *p_srvc_cb = bta_gattc_find_srvr_cache(p_msg->api_conn.remote_bda); 1628 tBTA_GATTC_CLCB *p_clcb = &bta_gattc_cb.clcb[0]; 1629 BOOLEAN found = FALSE; 1630 UINT8 i; 1631 UNUSED(p_cb); 1632 1633 if (p_srvc_cb != NULL) 1634 { 1635 /* try to find a CLCB */ 1636 if (p_srvc_cb->connected && p_srvc_cb->num_clcb != 0) 1637 { 1638 for (i = 0; i < BTA_GATTC_CLCB_MAX; i ++, p_clcb ++) 1639 { 1640 if (p_clcb->in_use && p_clcb->p_srcb == p_srvc_cb) 1641 { 1642 found = TRUE; 1643 break; 1644 } 1645 } 1646 if (found) 1647 { 1648 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1649 return; 1650 } 1651 } 1652 /* in all other cases, mark it and delete the cache */ 1653 if (p_srvc_cb->p_srvc_cache != NULL) { 1654 list_free(p_srvc_cb->p_srvc_cache); 1655 p_srvc_cb->p_srvc_cache = NULL; 1656 } 1657 } 1658 /* used to reset cache in application */ 1659 bta_gattc_cache_reset(p_msg->api_conn.remote_bda); 1660 1661 } 1662 /******************************************************************************* 1663 ** 1664 ** Function bta_gattc_process_srvc_chg_ind 1665 ** 1666 ** Description process service change indication. 1667 ** 1668 ** Returns None. 1669 ** 1670 *******************************************************************************/ 1671 BOOLEAN bta_gattc_process_srvc_chg_ind(UINT16 conn_id, 1672 tBTA_GATTC_RCB *p_clrcb, 1673 tBTA_GATTC_SERV *p_srcb, 1674 tBTA_GATTC_CLCB *p_clcb, 1675 tBTA_GATTC_NOTIFY *p_notify, 1676 tGATT_VALUE *att_value) 1677 { 1678 tBT_UUID gattp_uuid, srvc_chg_uuid; 1679 BOOLEAN processed = FALSE; 1680 UINT8 i; 1681 1682 gattp_uuid.len = 2; 1683 gattp_uuid.uu.uuid16 = UUID_SERVCLASS_GATT_SERVER; 1684 1685 srvc_chg_uuid.len = 2; 1686 srvc_chg_uuid.uu.uuid16 = GATT_UUID_GATT_SRV_CHGD; 1687 1688 const tBTA_GATTC_CHARACTERISTIC *p_char = bta_gattc_get_characteristic_srcb(p_srcb, p_notify->handle); 1689 if (p_char && bta_gattc_uuid_compare(&p_char->service->uuid, &gattp_uuid, TRUE) && 1690 bta_gattc_uuid_compare(&p_char->uuid, &srvc_chg_uuid, TRUE)) 1691 { 1692 if (att_value->len != BTA_GATTC_SERVICE_CHANGED_LEN) { 1693 APPL_TRACE_ERROR("%s: received malformed service changed indication, skipping", __func__); 1694 return FALSE; 1695 } 1696 1697 UINT8 *p = att_value->value; 1698 UINT16 s_handle = ((UINT16)(*(p )) + (((UINT16)(*(p + 1))) << 8)); 1699 UINT16 e_handle = ((UINT16)(*(p + 2)) + (((UINT16)(*(p + 3))) << 8)); 1700 1701 APPL_TRACE_ERROR("%s: service changed s_handle:0x%04x e_handle:0x%04x", 1702 __func__, s_handle, e_handle); 1703 1704 processed = TRUE; 1705 /* mark service handle change pending */ 1706 p_srcb->srvc_hdl_chg = TRUE; 1707 /* clear up all notification/indication registration */ 1708 bta_gattc_clear_notif_registration(p_srcb, conn_id, s_handle, e_handle); 1709 /* service change indication all received, do discovery update */ 1710 if ( ++ p_srcb->update_count == bta_gattc_num_reg_app()) 1711 { 1712 /* not an opened connection; or connection busy */ 1713 /* search for first available clcb and start discovery */ 1714 if (p_clcb == NULL || (p_clcb && p_clcb->p_q_cmd != NULL)) 1715 { 1716 for (i = 0 ; i < BTA_GATTC_CLCB_MAX; i ++) 1717 { 1718 if (bta_gattc_cb.clcb[i].in_use && 1719 bta_gattc_cb.clcb[i].p_srcb == p_srcb && 1720 bta_gattc_cb.clcb[i].p_q_cmd == NULL) 1721 { 1722 p_clcb = &bta_gattc_cb.clcb[i]; 1723 break; 1724 } 1725 } 1726 } 1727 /* send confirmation here if this is an indication, it should always be */ 1728 GATTC_SendHandleValueConfirm(conn_id, att_value->handle); 1729 1730 /* if connection available, refresh cache by doing discovery now */ 1731 if (p_clcb != NULL) 1732 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_DISCOVER_EVT, NULL); 1733 } 1734 /* notify applicationf or service change */ 1735 if (p_clrcb->p_cback != NULL) 1736 { 1737 (* p_clrcb->p_cback)(BTA_GATTC_SRVC_CHG_EVT, (tBTA_GATTC *)p_srcb->server_bda); 1738 } 1739 1740 } 1741 1742 return processed; 1743 1744 } 1745 /******************************************************************************* 1746 ** 1747 ** Function bta_gattc_proc_other_indication 1748 ** 1749 ** Description process all non-service change indication/notification. 1750 ** 1751 ** Returns None. 1752 ** 1753 *******************************************************************************/ 1754 void bta_gattc_proc_other_indication(tBTA_GATTC_CLCB *p_clcb, UINT8 op, 1755 tGATT_CL_COMPLETE *p_data, 1756 tBTA_GATTC_NOTIFY *p_notify) 1757 { 1758 APPL_TRACE_DEBUG("bta_gattc_proc_other_indication check \ 1759 p_data->att_value.handle=%d p_data->handle=%d", 1760 p_data->att_value.handle, p_data->handle); 1761 APPL_TRACE_DEBUG("is_notify", p_notify->is_notify); 1762 1763 p_notify->is_notify = (op == GATTC_OPTYPE_INDICATION) ? FALSE : TRUE; 1764 p_notify->len = p_data->att_value.len; 1765 bdcpy(p_notify->bda, p_clcb->bda); 1766 memcpy(p_notify->value, p_data->att_value.value, p_data->att_value.len); 1767 p_notify->conn_id = p_clcb->bta_conn_id; 1768 1769 if (p_clcb->p_rcb->p_cback) 1770 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_NOTIF_EVT, (tBTA_GATTC *)p_notify); 1771 1772 } 1773 /******************************************************************************* 1774 ** 1775 ** Function bta_gattc_process_indicate 1776 ** 1777 ** Description process indication/notification. 1778 ** 1779 ** Returns None. 1780 ** 1781 *******************************************************************************/ 1782 void bta_gattc_process_indicate(UINT16 conn_id, tGATTC_OPTYPE op, tGATT_CL_COMPLETE *p_data) 1783 { 1784 UINT16 handle = p_data->att_value.handle; 1785 tBTA_GATTC_CLCB *p_clcb ; 1786 tBTA_GATTC_RCB *p_clrcb = NULL; 1787 tBTA_GATTC_SERV *p_srcb = NULL; 1788 tBTA_GATTC_NOTIFY notify; 1789 BD_ADDR remote_bda; 1790 tBTA_GATTC_IF gatt_if; 1791 tBTA_TRANSPORT transport; 1792 1793 if (!GATT_GetConnectionInfor(conn_id, &gatt_if, remote_bda, &transport)) 1794 { 1795 APPL_TRACE_ERROR("%s indication/notif for unknown app", __func__); 1796 if (op == GATTC_OPTYPE_INDICATION) 1797 GATTC_SendHandleValueConfirm(conn_id, handle); 1798 return; 1799 } 1800 1801 if ((p_clrcb = bta_gattc_cl_get_regcb(gatt_if)) == NULL) 1802 { 1803 APPL_TRACE_ERROR("%s indication/notif for unregistered app", __func__); 1804 if (op == GATTC_OPTYPE_INDICATION) 1805 GATTC_SendHandleValueConfirm(conn_id, handle); 1806 return; 1807 } 1808 1809 if ((p_srcb = bta_gattc_find_srcb(remote_bda)) == NULL) 1810 { 1811 APPL_TRACE_ERROR("%s indication/notif for unknown device, ignore", __func__); 1812 if (op == GATTC_OPTYPE_INDICATION) 1813 GATTC_SendHandleValueConfirm(conn_id, handle); 1814 return; 1815 } 1816 1817 p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id); 1818 1819 notify.handle = handle; 1820 /* if non-service change indication/notification, forward to application */ 1821 if (!bta_gattc_process_srvc_chg_ind(conn_id, p_clrcb, p_srcb, p_clcb, ¬ify, &p_data->att_value)) 1822 { 1823 /* if app registered for the notification */ 1824 if (bta_gattc_check_notif_registry(p_clrcb, p_srcb, ¬ify)) 1825 { 1826 /* connection not open yet */ 1827 if (p_clcb == NULL) 1828 { 1829 p_clcb = bta_gattc_clcb_alloc(gatt_if, remote_bda, transport); 1830 1831 if (p_clcb == NULL) { 1832 APPL_TRACE_ERROR("No resources"); 1833 return; 1834 } 1835 1836 p_clcb->bta_conn_id = conn_id; 1837 p_clcb->transport = transport; 1838 1839 bta_gattc_sm_execute(p_clcb, BTA_GATTC_INT_CONN_EVT, NULL); 1840 } 1841 1842 if (p_clcb != NULL) 1843 bta_gattc_proc_other_indication(p_clcb, op, p_data, ¬ify); 1844 } 1845 /* no one intersted and need ack? */ 1846 else if (op == GATTC_OPTYPE_INDICATION) 1847 { 1848 APPL_TRACE_DEBUG("%s no one interested, ack now", __func__); 1849 GATTC_SendHandleValueConfirm(conn_id, handle); 1850 } 1851 } 1852 } 1853 /******************************************************************************* 1854 ** 1855 ** Function bta_gattc_cmpl_cback 1856 ** 1857 ** Description client operation complete callback register with BTE GATT. 1858 ** 1859 ** Returns None. 1860 ** 1861 *******************************************************************************/ 1862 static void bta_gattc_cmpl_cback(UINT16 conn_id, tGATTC_OPTYPE op, tGATT_STATUS status, 1863 tGATT_CL_COMPLETE *p_data) 1864 { 1865 tBTA_GATTC_CLCB *p_clcb; 1866 APPL_TRACE_DEBUG("bta_gattc_cmpl_cback: conn_id = %d op = %d status = %d", 1867 conn_id, op, status); 1868 1869 /* notification and indication processed right away */ 1870 if (op == GATTC_OPTYPE_NOTIFICATION || op == GATTC_OPTYPE_INDICATION) 1871 { 1872 bta_gattc_process_indicate(conn_id, op, p_data); 1873 return; 1874 } 1875 /* for all other operation, not expected if w/o connection */ 1876 else if ((p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id)) == NULL) 1877 { 1878 APPL_TRACE_ERROR("bta_gattc_cmpl_cback unknown conn_id = %d, ignore data", conn_id); 1879 return; 1880 } 1881 1882 /* if over BR_EDR, inform PM for mode change */ 1883 if (p_clcb->transport == BTA_TRANSPORT_BR_EDR) 1884 { 1885 bta_sys_busy(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1886 bta_sys_idle(BTA_ID_GATTC, BTA_ALL_APP_ID, p_clcb->bda); 1887 } 1888 1889 bta_gattc_cmpl_sendmsg(conn_id, op, status, p_data); 1890 } 1891 1892 /******************************************************************************* 1893 ** 1894 ** Function bta_gattc_cmpl_sendmsg 1895 ** 1896 ** Description client operation complete send message 1897 ** 1898 ** Returns None. 1899 ** 1900 *******************************************************************************/ 1901 static void bta_gattc_cmpl_sendmsg(UINT16 conn_id, tGATTC_OPTYPE op, 1902 tBTA_GATT_STATUS status, 1903 tGATT_CL_COMPLETE *p_data) 1904 { 1905 const size_t len = sizeof(tBTA_GATTC_OP_CMPL) + sizeof(tGATT_CL_COMPLETE); 1906 tBTA_GATTC_OP_CMPL *p_buf = (tBTA_GATTC_OP_CMPL *)osi_calloc(len); 1907 1908 p_buf->hdr.event = BTA_GATTC_OP_CMPL_EVT; 1909 p_buf->hdr.layer_specific = conn_id; 1910 p_buf->status = status; 1911 p_buf->op_code = op; 1912 1913 if (p_data != NULL) { 1914 p_buf->p_cmpl = (tGATT_CL_COMPLETE *)(p_buf + 1); 1915 memcpy(p_buf->p_cmpl, p_data, sizeof(tGATT_CL_COMPLETE)); 1916 } 1917 1918 bta_sys_sendmsg(p_buf); 1919 } 1920 1921 /******************************************************************************* 1922 ** 1923 ** Function bta_gattc_cong_cback 1924 ** 1925 ** Description congestion callback for BTA GATT client. 1926 ** 1927 ** Returns void 1928 ** 1929 ********************************************************************************/ 1930 static void bta_gattc_cong_cback (UINT16 conn_id, BOOLEAN congested) 1931 { 1932 tBTA_GATTC_CLCB *p_clcb; 1933 tBTA_GATTC cb_data; 1934 1935 if ((p_clcb = bta_gattc_find_clcb_by_conn_id(conn_id)) != NULL) 1936 { 1937 if (p_clcb->p_rcb->p_cback) 1938 { 1939 cb_data.congest.conn_id = conn_id; 1940 cb_data.congest.congested = congested; 1941 1942 (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CONGEST_EVT, &cb_data); 1943 } 1944 } 1945 } 1946 1947 #if BLE_INCLUDED == TRUE 1948 /******************************************************************************* 1949 ** 1950 ** Function bta_gattc_init_clcb_conn 1951 ** 1952 ** Description Initaite a BTA CLCB connection 1953 ** 1954 ** Returns void 1955 ** 1956 ********************************************************************************/ 1957 void bta_gattc_init_clcb_conn(UINT8 cif, BD_ADDR remote_bda) 1958 { 1959 tBTA_GATTC_CLCB *p_clcb = NULL; 1960 tBTA_GATTC_DATA gattc_data; 1961 UINT16 conn_id; 1962 1963 /* should always get the connection ID */ 1964 if (GATT_GetConnIdIfConnected(cif, remote_bda, &conn_id, BTA_GATT_TRANSPORT_LE) == FALSE) 1965 { 1966 APPL_TRACE_ERROR("bta_gattc_init_clcb_conn ERROR: not a connected device"); 1967 return; 1968 } 1969 1970 /* initaite a new connection here */ 1971 if ((p_clcb = bta_gattc_clcb_alloc(cif, remote_bda, BTA_GATT_TRANSPORT_LE)) != NULL) 1972 { 1973 gattc_data.hdr.layer_specific = p_clcb->bta_conn_id = conn_id; 1974 1975 gattc_data.api_conn.client_if = cif; 1976 memcpy(gattc_data.api_conn.remote_bda, remote_bda, BD_ADDR_LEN); 1977 gattc_data.api_conn.is_direct = TRUE; 1978 1979 bta_gattc_sm_execute(p_clcb, BTA_GATTC_API_OPEN_EVT, &gattc_data); 1980 } 1981 else 1982 { 1983 APPL_TRACE_ERROR("No resources"); 1984 } 1985 } 1986 /******************************************************************************* 1987 ** 1988 ** Function bta_gattc_process_listen_all 1989 ** 1990 ** Description process listen all, send open callback to application for all 1991 ** connected slave LE link. 1992 ** 1993 ** Returns void 1994 ** 1995 ********************************************************************************/ 1996 void bta_gattc_process_listen_all(UINT8 cif) 1997 { 1998 UINT8 i_conn = 0; 1999 tBTA_GATTC_CONN *p_conn = &bta_gattc_cb.conn_track[0]; 2000 2001 for (i_conn = 0; i_conn < BTA_GATTC_CONN_MAX; i_conn++, p_conn ++) 2002 { 2003 if (p_conn->in_use ) 2004 { 2005 if (bta_gattc_find_clcb_by_cif(cif, p_conn->remote_bda, BTA_GATT_TRANSPORT_LE) == NULL) 2006 { 2007 bta_gattc_init_clcb_conn(cif, p_conn->remote_bda); 2008 } 2009 /* else already connected */ 2010 } 2011 } 2012 } 2013 /******************************************************************************* 2014 ** 2015 ** Function bta_gattc_listen 2016 ** 2017 ** Description Start or stop a listen for connection 2018 ** 2019 ** Returns void 2020 ** 2021 ********************************************************************************/ 2022 void bta_gattc_listen(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 2023 { 2024 tBTA_GATTC_RCB *p_clreg = bta_gattc_cl_get_regcb(p_msg->api_listen.client_if); 2025 tBTA_GATTC cb_data; 2026 UNUSED(p_cb); 2027 2028 cb_data.reg_oper.status = BTA_GATT_ERROR; 2029 cb_data.reg_oper.client_if = p_msg->api_listen.client_if; 2030 2031 if (p_clreg == NULL) 2032 { 2033 APPL_TRACE_ERROR("bta_gattc_listen failed, unknown client_if: %d", 2034 p_msg->api_listen.client_if); 2035 return; 2036 } 2037 /* mark bg conn record */ 2038 if (bta_gattc_mark_bg_conn(p_msg->api_listen.client_if, 2039 (BD_ADDR_PTR) p_msg->api_listen.remote_bda, 2040 p_msg->api_listen.start, 2041 TRUE)) 2042 { 2043 if (!GATT_Listen(p_msg->api_listen.client_if, 2044 p_msg->api_listen.start, 2045 p_msg->api_listen.remote_bda)) 2046 { 2047 APPL_TRACE_ERROR("Listen failure"); 2048 (*p_clreg->p_cback)(BTA_GATTC_LISTEN_EVT, &cb_data); 2049 } 2050 else 2051 { 2052 cb_data.status = BTA_GATT_OK; 2053 2054 (*p_clreg->p_cback)(BTA_GATTC_LISTEN_EVT, &cb_data); 2055 2056 if (p_msg->api_listen.start) 2057 { 2058 /* if listen to a specific target */ 2059 if (p_msg->api_listen.remote_bda != NULL) 2060 { 2061 2062 /* if is a connected remote device */ 2063 if (L2CA_GetBleConnRole(p_msg->api_listen.remote_bda) == HCI_ROLE_SLAVE && 2064 bta_gattc_find_clcb_by_cif(p_msg->api_listen.client_if, 2065 p_msg->api_listen.remote_bda, 2066 BTA_GATT_TRANSPORT_LE) == NULL) 2067 { 2068 2069 bta_gattc_init_clcb_conn(p_msg->api_listen.client_if, 2070 p_msg->api_listen.remote_bda); 2071 } 2072 } 2073 /* if listen to all */ 2074 else 2075 { 2076 LOG_DEBUG(LOG_TAG, "Listen For All now"); 2077 /* go through all connected device and send 2078 callback for all connected slave connection */ 2079 bta_gattc_process_listen_all(p_msg->api_listen.client_if); 2080 } 2081 } 2082 } 2083 } 2084 } 2085 2086 /******************************************************************************* 2087 ** 2088 ** Function bta_gattc_broadcast 2089 ** 2090 ** Description Start or stop broadcasting 2091 ** 2092 ** Returns void 2093 ** 2094 ********************************************************************************/ 2095 void bta_gattc_broadcast(tBTA_GATTC_CB *p_cb, tBTA_GATTC_DATA * p_msg) 2096 { 2097 tBTA_GATTC_RCB *p_clreg = bta_gattc_cl_get_regcb(p_msg->api_listen.client_if); 2098 tBTA_GATTC cb_data; 2099 UNUSED(p_cb); 2100 2101 cb_data.reg_oper.client_if = p_msg->api_listen.client_if; 2102 cb_data.reg_oper.status = BTM_BleBroadcast(p_msg->api_listen.start); 2103 2104 if (p_clreg && p_clreg->p_cback) 2105 (*p_clreg->p_cback)(BTA_GATTC_LISTEN_EVT, &cb_data); 2106 } 2107 #endif 2108 #endif 2109
