1 /******************************************************************************
2 *
3 * Copyright (C) 2017 The Android Open Source Project
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 #include <base/logging.h>
20 #include <base/strings/stringprintf.h>
21 #include <string.h>
22 #include <array>
23 #include <list>
24 #include <queue>
25 #include "gap_api.h"
26 #include "gatt_api.h"
27
28 using base::StringPrintf;
29
30 namespace {
31
32 typedef struct {
33 uint16_t uuid;
34 tGAP_BLE_CMPL_CBACK* p_cback;
35 } tGAP_REQUEST;
36
37 typedef struct {
38 RawAddress bda;
39 tGAP_BLE_CMPL_CBACK* p_cback;
40 uint16_t conn_id;
41 uint16_t cl_op_uuid;
42 bool connected;
43 std::queue<tGAP_REQUEST> requests;
44 } tGAP_CLCB;
45
46 typedef struct {
47 uint16_t handle;
48 uint16_t uuid;
49 tGAP_BLE_ATTR_VALUE attr_value;
50 } tGAP_ATTR;
51
52 void server_attr_request_cback(uint16_t, uint32_t, tGATTS_REQ_TYPE,
53 tGATTS_DATA*);
54 void client_connect_cback(tGATT_IF, const RawAddress&, uint16_t, bool,
55 tGATT_DISCONN_REASON, tGATT_TRANSPORT);
56 void client_cmpl_cback(uint16_t, tGATTC_OPTYPE, tGATT_STATUS,
57 tGATT_CL_COMPLETE*);
58
59 tGATT_CBACK gap_cback = {client_connect_cback,
60 client_cmpl_cback,
61 NULL,
62 NULL,
63 server_attr_request_cback,
64 NULL,
65 NULL,
66 NULL,
67 NULL};
68
69 constexpr int GAP_CHAR_DEV_NAME_SIZE = BD_NAME_LEN;
70 constexpr int GAP_MAX_CHAR_NUM = 4;
71
72 std::vector<tGAP_CLCB> gap_clcbs;
73 /* LE GAP attribute database */
74 std::array<tGAP_ATTR, GAP_MAX_CHAR_NUM> gatt_attr;
75 tGATT_IF gatt_if;
76
77 /** returns LCB with macthing bd address, or nullptr */
find_clcb_by_bd_addr(const RawAddress & bda)78 tGAP_CLCB* find_clcb_by_bd_addr(const RawAddress& bda) {
79 for (auto& cb : gap_clcbs)
80 if (cb.bda == bda) return &cb;
81
82 return nullptr;
83 }
84
85 /** returns LCB with macthing connection ID, or nullptr if not found */
ble_find_clcb_by_conn_id(uint16_t conn_id)86 tGAP_CLCB* ble_find_clcb_by_conn_id(uint16_t conn_id) {
87 for (auto& cb : gap_clcbs)
88 if (cb.connected && cb.conn_id == conn_id) return &cb;
89
90 return nullptr;
91 }
92
93 /** allocates a GAP connection link control block */
clcb_alloc(const RawAddress & bda)94 tGAP_CLCB* clcb_alloc(const RawAddress& bda) {
95 gap_clcbs.emplace_back();
96 tGAP_CLCB& cb = gap_clcbs.back();
97 cb.bda = bda;
98 return &cb;
99 }
100
101 /** The function clean up the pending request queue in GAP */
clcb_dealloc(tGAP_CLCB & clcb)102 void clcb_dealloc(tGAP_CLCB& clcb) {
103 // put last element into place of current element, and remove last one - just
104 // fast remove.
105 for (auto it = gap_clcbs.begin(); it != gap_clcbs.end(); it++) {
106 if (it->conn_id == clcb.conn_id) {
107 auto last_one = std::prev(gap_clcbs.end());
108 *it = *last_one;
109 gap_clcbs.erase(last_one);
110 return;
111 }
112 }
113 }
114
115 /** GAP Attributes Database Request callback */
read_attr_value(uint16_t handle,tGATT_VALUE * p_value,bool is_long)116 tGATT_STATUS read_attr_value(uint16_t handle, tGATT_VALUE* p_value,
117 bool is_long) {
118 uint8_t* p = p_value->value;
119 uint16_t offset = p_value->offset;
120 uint8_t* p_dev_name = NULL;
121
122 for (const tGAP_ATTR& db_attr : gatt_attr) {
123 const tGAP_BLE_ATTR_VALUE& attr_value = db_attr.attr_value;
124 if (handle == db_attr.handle) {
125 if (db_attr.uuid != GATT_UUID_GAP_DEVICE_NAME && is_long == true)
126 return GATT_NOT_LONG;
127
128 switch (db_attr.uuid) {
129 case GATT_UUID_GAP_DEVICE_NAME:
130 BTM_ReadLocalDeviceName((char**)&p_dev_name);
131 if (strlen((char*)p_dev_name) > GATT_MAX_ATTR_LEN)
132 p_value->len = GATT_MAX_ATTR_LEN;
133 else
134 p_value->len = (uint16_t)strlen((char*)p_dev_name);
135
136 if (offset > p_value->len)
137 return GATT_INVALID_OFFSET;
138 else {
139 p_value->len -= offset;
140 p_dev_name += offset;
141 ARRAY_TO_STREAM(p, p_dev_name, p_value->len);
142 DVLOG(1) << "GATT_UUID_GAP_DEVICE_NAME len=" << +p_value->len;
143 }
144 break;
145
146 case GATT_UUID_GAP_ICON:
147 UINT16_TO_STREAM(p, attr_value.icon);
148 p_value->len = 2;
149 break;
150
151 case GATT_UUID_GAP_PREF_CONN_PARAM:
152 UINT16_TO_STREAM(p, attr_value.conn_param.int_min); /* int_min */
153 UINT16_TO_STREAM(p, attr_value.conn_param.int_max); /* int_max */
154 UINT16_TO_STREAM(p, attr_value.conn_param.latency); /* latency */
155 UINT16_TO_STREAM(p, attr_value.conn_param.sp_tout); /* sp_tout */
156 p_value->len = 8;
157 break;
158
159 /* address resolution */
160 case GATT_UUID_GAP_CENTRAL_ADDR_RESOL:
161 UINT8_TO_STREAM(p, attr_value.addr_resolution);
162 p_value->len = 1;
163 break;
164 }
165 return GATT_SUCCESS;
166 }
167 }
168 return GATT_NOT_FOUND;
169 }
170
171 /** GAP Attributes Database Read/Read Blob Request process */
proc_read(tGATTS_REQ_TYPE,tGATT_READ_REQ * p_data,tGATTS_RSP * p_rsp)172 tGATT_STATUS proc_read(tGATTS_REQ_TYPE, tGATT_READ_REQ* p_data,
173 tGATTS_RSP* p_rsp) {
174 if (p_data->is_long) p_rsp->attr_value.offset = p_data->offset;
175
176 p_rsp->attr_value.handle = p_data->handle;
177
178 return read_attr_value(p_data->handle, &p_rsp->attr_value, p_data->is_long);
179 }
180
181 /** GAP ATT server process a write request */
proc_write_req(tGATTS_REQ_TYPE,tGATT_WRITE_REQ * p_data)182 uint8_t proc_write_req(tGATTS_REQ_TYPE, tGATT_WRITE_REQ* p_data) {
183 for (const auto& db_addr : gatt_attr)
184 if (p_data->handle == db_addr.handle) return GATT_WRITE_NOT_PERMIT;
185
186 return GATT_NOT_FOUND;
187 }
188
189 /** GAP ATT server attribute access request callback */
server_attr_request_cback(uint16_t conn_id,uint32_t trans_id,tGATTS_REQ_TYPE type,tGATTS_DATA * p_data)190 void server_attr_request_cback(uint16_t conn_id, uint32_t trans_id,
191 tGATTS_REQ_TYPE type, tGATTS_DATA* p_data) {
192 uint8_t status = GATT_INVALID_PDU;
193 bool ignore = false;
194
195 DVLOG(1) << StringPrintf("%s: recv type (0x%02x)", __func__, type);
196
197 tGATTS_RSP rsp_msg;
198 memset(&rsp_msg, 0, sizeof(tGATTS_RSP));
199
200 switch (type) {
201 case GATTS_REQ_TYPE_READ_CHARACTERISTIC:
202 case GATTS_REQ_TYPE_READ_DESCRIPTOR:
203 status = proc_read(type, &p_data->read_req, &rsp_msg);
204 break;
205
206 case GATTS_REQ_TYPE_WRITE_CHARACTERISTIC:
207 case GATTS_REQ_TYPE_WRITE_DESCRIPTOR:
208 if (!p_data->write_req.need_rsp) ignore = true;
209
210 status = proc_write_req(type, &p_data->write_req);
211 break;
212
213 case GATTS_REQ_TYPE_WRITE_EXEC:
214 ignore = true;
215 DVLOG(1) << "Ignore GATTS_REQ_TYPE_WRITE_EXEC";
216 break;
217
218 case GATTS_REQ_TYPE_MTU:
219 DVLOG(1) << "Get MTU exchange new mtu size: " << +p_data->mtu;
220 ignore = true;
221 break;
222
223 default:
224 DVLOG(1) << StringPrintf("Unknown/unexpected LE GAP ATT request: 0x%02x",
225 type);
226 break;
227 }
228
229 if (!ignore) GATTS_SendRsp(conn_id, trans_id, status, &rsp_msg);
230 }
231
232 /**
233 * utility function to send a read request for a GAP charactersitic.
234 * Returns true if read started, else false if GAP is busy.
235 */
send_cl_read_request(tGAP_CLCB & clcb)236 bool send_cl_read_request(tGAP_CLCB& clcb) {
237 if (!clcb.requests.size()) {
238 return false;
239 }
240
241 tGAP_REQUEST& req = clcb.requests.front();
242 clcb.p_cback = req.p_cback;
243 uint16_t uuid = req.uuid;
244 clcb.requests.pop();
245
246 tGATT_READ_PARAM param;
247 memset(¶m, 0, sizeof(tGATT_READ_PARAM));
248
249 param.service.uuid.len = LEN_UUID_16;
250 param.service.uuid.uu.uuid16 = uuid;
251 param.service.s_handle = 1;
252 param.service.e_handle = 0xFFFF;
253 param.service.auth_req = 0;
254
255 if (GATTC_Read(clcb.conn_id, GATT_READ_BY_TYPE, ¶m) == GATT_SUCCESS) {
256 clcb.cl_op_uuid = uuid;
257 }
258
259 return true;
260 }
261
262 /** GAP client operation complete callback */
cl_op_cmpl(tGAP_CLCB & clcb,bool status,uint16_t len,uint8_t * p_name)263 void cl_op_cmpl(tGAP_CLCB& clcb, bool status, uint16_t len, uint8_t* p_name) {
264 tGAP_BLE_CMPL_CBACK* p_cback = clcb.p_cback;
265 uint16_t op = clcb.cl_op_uuid;
266
267 DVLOG(1) << StringPrintf("%s: status: %d", __func__, status);
268
269 clcb.cl_op_uuid = 0;
270 clcb.p_cback = NULL;
271
272 if (p_cback && op) {
273 DVLOG(1) << __func__ << ": calling";
274 (*p_cback)(status, clcb.bda, len, (char*)p_name);
275 }
276
277 /* if no further activity is requested in callback, drop the link */
278 if (clcb.connected) {
279 if (!send_cl_read_request(clcb)) {
280 GATT_Disconnect(clcb.conn_id);
281 clcb_dealloc(clcb);
282 }
283 }
284 }
285
286 /** Client connection callback */
client_connect_cback(tGATT_IF,const RawAddress & bda,uint16_t conn_id,bool connected,tGATT_DISCONN_REASON reason,tGATT_TRANSPORT)287 void client_connect_cback(tGATT_IF, const RawAddress& bda, uint16_t conn_id,
288 bool connected, tGATT_DISCONN_REASON reason,
289 tGATT_TRANSPORT) {
290 tGAP_CLCB* p_clcb = find_clcb_by_bd_addr(bda);
291 if (p_clcb == NULL) return;
292
293 if (connected) {
294 p_clcb->conn_id = conn_id;
295 p_clcb->connected = true;
296 /* start operation is pending */
297 send_cl_read_request(*p_clcb);
298 } else {
299 p_clcb->connected = false;
300 cl_op_cmpl(*p_clcb, false, 0, NULL);
301 /* clean up clcb */
302 clcb_dealloc(*p_clcb);
303 }
304 }
305
306 /** Client operation complete callback */
client_cmpl_cback(uint16_t conn_id,tGATTC_OPTYPE op,tGATT_STATUS status,tGATT_CL_COMPLETE * p_data)307 void client_cmpl_cback(uint16_t conn_id, tGATTC_OPTYPE op, tGATT_STATUS status,
308 tGATT_CL_COMPLETE* p_data) {
309 tGAP_CLCB* p_clcb = ble_find_clcb_by_conn_id(conn_id);
310 uint16_t op_type;
311 uint16_t min, max, latency, tout;
312 uint16_t len;
313 uint8_t* pp;
314
315 if (p_clcb == NULL) return;
316
317 op_type = p_clcb->cl_op_uuid;
318
319 DVLOG(1) << StringPrintf(
320 "%s: - op_code: 0x%02x status: 0x%02x read_type: 0x%04x", __func__, op,
321 status, op_type);
322 /* Currently we only issue read commands */
323 if (op != GATTC_OPTYPE_READ) return;
324
325 if (status != GATT_SUCCESS) {
326 cl_op_cmpl(*p_clcb, false, 0, NULL);
327 return;
328 }
329
330 pp = p_data->att_value.value;
331 switch (op_type) {
332 case GATT_UUID_GAP_PREF_CONN_PARAM:
333 /* Extract the peripheral preferred connection parameters and save them */
334 STREAM_TO_UINT16(min, pp);
335 STREAM_TO_UINT16(max, pp);
336 STREAM_TO_UINT16(latency, pp);
337 STREAM_TO_UINT16(tout, pp);
338
339 BTM_BleSetPrefConnParams(p_clcb->bda, min, max, latency, tout);
340 /* release the connection here */
341 cl_op_cmpl(*p_clcb, true, 0, NULL);
342 break;
343
344 case GATT_UUID_GAP_DEVICE_NAME:
345 len = (uint16_t)strlen((char*)pp);
346 if (len > GAP_CHAR_DEV_NAME_SIZE) len = GAP_CHAR_DEV_NAME_SIZE;
347 cl_op_cmpl(*p_clcb, true, len, pp);
348 break;
349
350 case GATT_UUID_GAP_CENTRAL_ADDR_RESOL:
351 cl_op_cmpl(*p_clcb, true, 1, pp);
352 break;
353 }
354 }
355
accept_client_operation(const RawAddress & peer_bda,uint16_t uuid,tGAP_BLE_CMPL_CBACK * p_cback)356 bool accept_client_operation(const RawAddress& peer_bda, uint16_t uuid,
357 tGAP_BLE_CMPL_CBACK* p_cback) {
358 if (p_cback == NULL && uuid != GATT_UUID_GAP_PREF_CONN_PARAM) return false;
359
360 tGAP_CLCB* p_clcb = find_clcb_by_bd_addr(peer_bda);
361 if (p_clcb == NULL) {
362 p_clcb = clcb_alloc(peer_bda);
363 }
364
365 DVLOG(1) << __func__ << ": BDA: " << peer_bda
366 << StringPrintf(" cl_op_uuid: 0x%04x", uuid);
367
368 if (GATT_GetConnIdIfConnected(gatt_if, peer_bda, &p_clcb->conn_id,
369 BT_TRANSPORT_LE))
370 p_clcb->connected = true;
371
372 if (!GATT_Connect(gatt_if, p_clcb->bda, true, BT_TRANSPORT_LE, true))
373 return false;
374
375 /* enqueue the request */
376 p_clcb->requests.push({.uuid = uuid, .p_cback = p_cback});
377
378 if (p_clcb->connected && p_clcb->cl_op_uuid == 0)
379 return send_cl_read_request(*p_clcb);
380 else /* wait for connection up or pending operation to finish */
381 return true;
382 }
383
384 } // namespace
385
386 /*******************************************************************************
387 *
388 * Function btm_ble_att_db_init
389 *
390 * Description GAP ATT database initalization.
391 *
392 * Returns void.
393 *
394 ******************************************************************************/
gap_attr_db_init(void)395 void gap_attr_db_init(void) {
396 tBT_UUID app_uuid = {LEN_UUID_128, {0}};
397 uint16_t service_handle;
398
399 /* Fill our internal UUID with a fixed pattern 0x82 */
400 memset(&app_uuid.uu.uuid128, 0x82, LEN_UUID_128);
401 gatt_attr.fill({});
402
403 gatt_if = GATT_Register(&app_uuid, &gap_cback);
404
405 GATT_StartIf(gatt_if);
406
407 bt_uuid_t svc_uuid, name_uuid, icon_uuid, pref_uuid, addr_res_uuid;
408 uuid_128_from_16(&svc_uuid, UUID_SERVCLASS_GAP_SERVER);
409 uuid_128_from_16(&name_uuid, GATT_UUID_GAP_DEVICE_NAME);
410 uuid_128_from_16(&icon_uuid, GATT_UUID_GAP_ICON);
411 uuid_128_from_16(&pref_uuid, GATT_UUID_GAP_PREF_CONN_PARAM);
412 uuid_128_from_16(&addr_res_uuid, GATT_UUID_GAP_CENTRAL_ADDR_RESOL);
413
414 btgatt_db_element_t service[] = {
415 {.type = BTGATT_DB_PRIMARY_SERVICE, .uuid = svc_uuid},
416 {.type = BTGATT_DB_CHARACTERISTIC,
417 .uuid = name_uuid,
418 .properties = GATT_CHAR_PROP_BIT_READ,
419 .permissions = GATT_PERM_READ},
420 {.type = BTGATT_DB_CHARACTERISTIC,
421 .uuid = icon_uuid,
422 .properties = GATT_CHAR_PROP_BIT_READ,
423 .permissions = GATT_PERM_READ},
424 {.type = BTGATT_DB_CHARACTERISTIC,
425 .uuid = addr_res_uuid,
426 .properties = GATT_CHAR_PROP_BIT_READ,
427 .permissions = GATT_PERM_READ}
428 #if (BTM_PERIPHERAL_ENABLED == TRUE) /* Only needed for peripheral testing */
429 ,
430 {.type = BTGATT_DB_CHARACTERISTIC,
431 .uuid = pref_uuid,
432 .properties = GATT_CHAR_PROP_BIT_READ,
433 .permissions = GATT_PERM_READ}
434 #endif
435 };
436
437 /* Add a GAP service */
438 GATTS_AddService(gatt_if, service,
439 sizeof(service) / sizeof(btgatt_db_element_t));
440 service_handle = service[0].attribute_handle;
441
442 DVLOG(1) << __func__ << ": service_handle = " << +service_handle;
443
444 gatt_attr[0].uuid = GATT_UUID_GAP_DEVICE_NAME;
445 gatt_attr[0].handle = service[1].attribute_handle;
446
447 gatt_attr[1].uuid = GATT_UUID_GAP_ICON;
448 gatt_attr[1].handle = service[2].attribute_handle;
449
450 gatt_attr[2].uuid = GATT_UUID_GAP_CENTRAL_ADDR_RESOL;
451 gatt_attr[2].handle = service[3].attribute_handle;
452 gatt_attr[2].attr_value.addr_resolution = 0;
453
454 #if (BTM_PERIPHERAL_ENABLED == TRUE) /* Only needed for peripheral testing */
455
456 gatt_attr[3].uuid = GATT_UUID_GAP_PREF_CONN_PARAM;
457 gatt_attr[3].attr_value.conn_param.int_max = GAP_PREFER_CONN_INT_MAX; /* 6 */
458 gatt_attr[3].attr_value.conn_param.int_min = GAP_PREFER_CONN_INT_MIN; /* 0 */
459 gatt_attr[3].attr_value.conn_param.latency = GAP_PREFER_CONN_LATENCY; /* 0 */
460 gatt_attr[3].attr_value.conn_param.sp_tout =
461 GAP_PREFER_CONN_SP_TOUT; /* 2000 */
462 gatt_attr[3].handle = service[4].attribute_handle;
463 #endif
464 }
465
466 /*******************************************************************************
467 *
468 * Function GAP_BleAttrDBUpdate
469 *
470 * Description GAP ATT database update.
471 *
472 ******************************************************************************/
GAP_BleAttrDBUpdate(uint16_t attr_uuid,tGAP_BLE_ATTR_VALUE * p_value)473 void GAP_BleAttrDBUpdate(uint16_t attr_uuid, tGAP_BLE_ATTR_VALUE* p_value) {
474 DVLOG(1) << StringPrintf("%s: attr_uuid=0x%04x", __func__, attr_uuid);
475
476 for (tGAP_ATTR& db_attr : gatt_attr) {
477 if (db_attr.uuid == attr_uuid) {
478 DVLOG(1) << StringPrintf("Found attr_uuid=0x%04x", attr_uuid);
479
480 switch (attr_uuid) {
481 case GATT_UUID_GAP_ICON:
482 db_attr.attr_value.icon = p_value->icon;
483 break;
484
485 case GATT_UUID_GAP_PREF_CONN_PARAM:
486 memcpy((void*)&db_attr.attr_value.conn_param,
487 (const void*)&p_value->conn_param,
488 sizeof(tGAP_BLE_PREF_PARAM));
489 break;
490
491 case GATT_UUID_GAP_DEVICE_NAME:
492 BTM_SetLocalDeviceName((char*)p_value->p_dev_name);
493 break;
494
495 case GATT_UUID_GAP_CENTRAL_ADDR_RESOL:
496 db_attr.attr_value.addr_resolution = p_value->addr_resolution;
497 break;
498 }
499 break;
500 }
501 }
502
503 return;
504 }
505
506 /*******************************************************************************
507 *
508 * Function GAP_BleReadPeerPrefConnParams
509 *
510 * Description Start a process to read a connected peripheral's preferred
511 * connection parameters
512 *
513 * Returns true if read started, else false if GAP is busy
514 *
515 ******************************************************************************/
GAP_BleReadPeerPrefConnParams(const RawAddress & peer_bda)516 bool GAP_BleReadPeerPrefConnParams(const RawAddress& peer_bda) {
517 return accept_client_operation(peer_bda, GATT_UUID_GAP_PREF_CONN_PARAM, NULL);
518 }
519
520 /*******************************************************************************
521 *
522 * Function GAP_BleReadPeerDevName
523 *
524 * Description Start a process to read a connected peripheral's device
525 * name.
526 *
527 * Returns true if request accepted
528 *
529 ******************************************************************************/
GAP_BleReadPeerDevName(const RawAddress & peer_bda,tGAP_BLE_CMPL_CBACK * p_cback)530 bool GAP_BleReadPeerDevName(const RawAddress& peer_bda,
531 tGAP_BLE_CMPL_CBACK* p_cback) {
532 return accept_client_operation(peer_bda, GATT_UUID_GAP_DEVICE_NAME, p_cback);
533 }
534
535 /*******************************************************************************
536 *
537 * Function GAP_BleReadPeerAddressResolutionCap
538 *
539 * Description Start a process to read peer address resolution capability
540 *
541 * Returns true if request accepted
542 *
543 ******************************************************************************/
GAP_BleReadPeerAddressResolutionCap(const RawAddress & peer_bda,tGAP_BLE_CMPL_CBACK * p_cback)544 bool GAP_BleReadPeerAddressResolutionCap(const RawAddress& peer_bda,
545 tGAP_BLE_CMPL_CBACK* p_cback) {
546 return accept_client_operation(peer_bda, GATT_UUID_GAP_CENTRAL_ADDR_RESOL,
547 p_cback);
548 }
549
550 /*******************************************************************************
551 *
552 * Function GAP_BleCancelReadPeerDevName
553 *
554 * Description Cancel reading a peripheral's device name.
555 *
556 * Returns true if request accepted
557 *
558 ******************************************************************************/
GAP_BleCancelReadPeerDevName(const RawAddress & peer_bda)559 bool GAP_BleCancelReadPeerDevName(const RawAddress& peer_bda) {
560 tGAP_CLCB* p_clcb = find_clcb_by_bd_addr(peer_bda);
561
562 DVLOG(1) << __func__ << ": BDA: " << peer_bda
563 << StringPrintf(" cl_op_uuid: 0x%04x",
564 (p_clcb == NULL) ? 0 : p_clcb->cl_op_uuid);
565
566 if (p_clcb == NULL) {
567 LOG(ERROR) << "Cannot cancel current op is not get dev name";
568 return false;
569 }
570
571 if (!p_clcb->connected) {
572 if (!GATT_CancelConnect(gatt_if, peer_bda, true)) {
573 LOG(ERROR) << "Cannot cancel where No connection id";
574 return false;
575 }
576 }
577
578 cl_op_cmpl(*p_clcb, false, 0, NULL);
579
580 return (true);
581 }
582