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 Server action functions for the state
22  *  machine.
23  *
24  ******************************************************************************/
25 
26 
27 #include "common/bt_target.h"
28 
29 #if defined(GATTS_INCLUDED) && (GATTS_INCLUDED == TRUE)
30 
31 #include "bta/utl.h"
32 #include "bta/bta_sys.h"
33 #include "bta_gatts_int.h"
34 #include "bta/bta_gatts_co.h"
35 #include "stack/btm_ble_api.h"
36 #include <string.h>
37 #include "osi/allocator.h"
38 #include "l2c_int.h"
39 
40 static void bta_gatts_nv_save_cback(BOOLEAN is_saved, tGATTS_HNDL_RANGE *p_hndl_range);
41 static BOOLEAN bta_gatts_nv_srv_chg_cback(tGATTS_SRV_CHG_CMD cmd, tGATTS_SRV_CHG_REQ *p_req,
42         tGATTS_SRV_CHG_RSP *p_rsp);
43 
44 static void bta_gatts_conn_cback (tGATT_IF gatt_if, BD_ADDR bda, UINT16 conn_id,
45                                   BOOLEAN connected, tGATT_DISCONN_REASON reason,
46                                   tGATT_TRANSPORT transport);
47 static void bta_gatts_send_request_cback (UINT16 conn_id,
48         UINT32 trans_id,
49         tGATTS_REQ_TYPE req_type, tGATTS_DATA *p_data);
50 static void bta_gatts_cong_cback (UINT16 conn_id, BOOLEAN congested);
51 extern void btc_congest_callback(tBTA_GATTS *param);
52 
53 static const tGATT_CBACK bta_gatts_cback = {
54     bta_gatts_conn_cback,
55     NULL,
56     NULL,
57     NULL,
58     bta_gatts_send_request_cback,
59     NULL,
60     bta_gatts_cong_cback
61 };
62 
63 const tGATT_APPL_INFO bta_gatts_nv_cback = {
64     bta_gatts_nv_save_cback,
65     bta_gatts_nv_srv_chg_cback
66 };
67 
68 /*******************************************************************************
69 **
70 ** Function         bta_gatts_nv_save_cback
71 **
72 ** Description      NV save callback function.
73 **
74 ** Parameter        is_add: true is to add a handle range; otherwise is to delete.
75 ** Returns          none.
76 **
77 *******************************************************************************/
bta_gatts_nv_save_cback(BOOLEAN is_add,tGATTS_HNDL_RANGE * p_hndl_range)78 static void bta_gatts_nv_save_cback(BOOLEAN is_add, tGATTS_HNDL_RANGE *p_hndl_range)
79 {
80     bta_gatts_co_update_handle_range(is_add, (tBTA_GATTS_HNDL_RANGE *)p_hndl_range);
81 }
82 
83 
84 /*******************************************************************************
85 **
86 ** Function         bta_gatts_nv_srv_chg_cback
87 **
88 ** Description      NV save callback function.
89 **
90 ** Parameter        is_add: true is to add a handle range; otherwise is to delete.
91 ** Returns          none.
92 **
93 *******************************************************************************/
bta_gatts_nv_srv_chg_cback(tGATTS_SRV_CHG_CMD cmd,tGATTS_SRV_CHG_REQ * p_req,tGATTS_SRV_CHG_RSP * p_rsp)94 static BOOLEAN bta_gatts_nv_srv_chg_cback(tGATTS_SRV_CHG_CMD cmd,
95         tGATTS_SRV_CHG_REQ *p_req, tGATTS_SRV_CHG_RSP *p_rsp)
96 {
97     return bta_gatts_co_srv_chg((tBTA_GATTS_SRV_CHG_CMD) cmd,
98                                 (tBTA_GATTS_SRV_CHG_REQ *) p_req,
99                                 (tBTA_GATTS_SRV_CHG_RSP *) p_rsp);
100 }
101 
102 
103 /*******************************************************************************
104 **
105 ** Function         bta_gatts_enable
106 **
107 ** Description      enable BTA GATTS module.
108 **
109 ** Returns          none.
110 **
111 *******************************************************************************/
bta_gatts_enable(tBTA_GATTS_CB * p_cb)112 void bta_gatts_enable(tBTA_GATTS_CB *p_cb)
113 {
114     UINT8 index = 0;
115     tBTA_GATTS_HNDL_RANGE handle_range;
116 
117     if (p_cb->enabled) {
118         APPL_TRACE_DEBUG("GATTS already enabled.");
119     } else {
120         memset(p_cb, 0, sizeof(tBTA_GATTS_CB));
121 
122         p_cb->enabled = TRUE;
123 
124         while ( bta_gatts_co_load_handle_range(index, &handle_range)) {
125             GATTS_AddHandleRange((tGATTS_HNDL_RANGE *)&handle_range);
126             memset(&handle_range, 0, sizeof(tGATTS_HNDL_RANGE));
127             index++;
128         }
129 
130         APPL_TRACE_DEBUG("bta_gatts_enable: num of handle range added=%d", index);
131 
132         if (!GATTS_NVRegister(&bta_gatts_nv_cback)) {
133             APPL_TRACE_ERROR("BTA GATTS NV register failed.");
134         }
135     }
136 }
137 
138 /*******************************************************************************
139 **
140 ** Function         bta_gatts_api_disable
141 **
142 ** Description      disable BTA GATTS module.
143 **
144 ** Returns          none.
145 **
146 *******************************************************************************/
bta_gatts_api_disable(tBTA_GATTS_CB * p_cb)147 void bta_gatts_api_disable(tBTA_GATTS_CB *p_cb)
148 {
149     UINT8 i;
150 
151     if (p_cb->enabled) {
152         for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i ++) {
153             if (p_cb->rcb[i].in_use) {
154                 GATT_Deregister(p_cb->rcb[i].gatt_if);
155             }
156         }
157         memset(p_cb, 0, sizeof(tBTA_GATTS_CB));
158     } else {
159         APPL_TRACE_ERROR("GATTS not enabled");
160     }
161 }
162 
163 /*******************************************************************************
164 **
165 ** Function         bta_gatts_register
166 **
167 ** Description      register an application.
168 **
169 ** Returns          none.
170 **
171 *******************************************************************************/
bta_gatts_register(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)172 void bta_gatts_register(tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
173 {
174     tBTA_GATTS_INT_START_IF  *p_buf;
175     tBTA_GATTS               cb_data;
176     tBTA_GATT_STATUS         status = BTA_GATT_OK;
177     UINT8                    i, first_unuse = 0xff;
178 
179     if (p_cb->enabled == FALSE) {
180         bta_gatts_enable(p_cb);
181     }
182 
183     for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i ++) {
184         if (p_cb->rcb[i].in_use) {
185             if (bta_gatts_uuid_compare(p_cb->rcb[i].app_uuid, p_msg->api_reg.app_uuid)) {
186                 APPL_TRACE_ERROR("application already registered.\n");
187                 status = BTA_GATT_DUP_REG;
188                 break;
189             }
190         }
191     }
192 
193     if (status == BTA_GATT_OK) {
194         for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i ++) {
195             if (first_unuse == 0xff && !p_cb->rcb[i].in_use) {
196                 first_unuse = i;
197                 break;
198             }
199         }
200 
201         cb_data.reg_oper.server_if = BTA_GATTS_INVALID_IF;
202 // btla-specific ++
203         memcpy(&cb_data.reg_oper.uuid, &p_msg->api_reg.app_uuid, sizeof(tBT_UUID));
204 // btla-specific --
205         if (first_unuse != 0xff) {
206             APPL_TRACE_VERBOSE("register application first_unuse rcb_idx = %d", first_unuse);
207 
208             p_cb->rcb[first_unuse].in_use = TRUE;
209             p_cb->rcb[first_unuse].p_cback = p_msg->api_reg.p_cback;
210             memcpy(&p_cb->rcb[first_unuse].app_uuid, &p_msg->api_reg.app_uuid, sizeof(tBT_UUID));
211             cb_data.reg_oper.server_if      =
212                 p_cb->rcb[first_unuse].gatt_if  =
213                     GATT_Register(&p_msg->api_reg.app_uuid, &bta_gatts_cback);
214             if ( !p_cb->rcb[first_unuse].gatt_if) {
215                 status = BTA_GATT_NO_RESOURCES;
216             } else {
217                 if ((p_buf =
218                             (tBTA_GATTS_INT_START_IF *) osi_malloc(sizeof(tBTA_GATTS_INT_START_IF))) != NULL) {
219                     p_buf->hdr.event    = BTA_GATTS_INT_START_IF_EVT;
220                     p_buf->server_if    = p_cb->rcb[first_unuse].gatt_if;
221 
222                     bta_sys_sendmsg(p_buf);
223                 } else {
224                     status = BTA_GATT_NO_RESOURCES;
225                     memset( &p_cb->rcb[first_unuse], 0 , sizeof(tBTA_GATTS_RCB));
226                 }
227             }
228         } else {
229             status = BTA_GATT_NO_RESOURCES;
230         }
231 
232     }
233     cb_data.reg_oper.status = status;
234     if (p_msg->api_reg.p_cback) {
235         (*p_msg->api_reg.p_cback)(BTA_GATTS_REG_EVT, &cb_data);
236     }
237 }
238 
239 
240 /*******************************************************************************
241 **
242 ** Function         bta_gatts_start_if
243 **
244 ** Description      start an application interface.
245 **
246 ** Returns          none.
247 **
248 *******************************************************************************/
bta_gatts_start_if(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)249 void bta_gatts_start_if(tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
250 {
251     UNUSED(p_cb);
252 
253     if (bta_gatts_find_app_rcb_by_app_if(p_msg->int_start_if.server_if)) {
254         GATT_StartIf(p_msg->int_start_if.server_if);
255     } else {
256         APPL_TRACE_ERROR("Unable to start app.: Unknown interface =%d",
257                          p_msg->int_start_if.server_if );
258     }
259 }
260 /*******************************************************************************
261 **
262 ** Function         bta_gatts_deregister
263 **
264 ** Description      deregister an application.
265 **
266 ** Returns          none.
267 **
268 *******************************************************************************/
bta_gatts_deregister(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)269 void bta_gatts_deregister(tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
270 {
271     tBTA_GATT_STATUS    status = BTA_GATT_ERROR;
272     tBTA_GATTS_CBACK    *p_cback = NULL;
273     UINT8               i;
274     tBTA_GATTS          cb_data;
275 
276     cb_data.reg_oper.server_if = p_msg->api_dereg.server_if;
277     cb_data.reg_oper.status = status;
278 
279     for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i ++) {
280         if (p_cb->rcb[i].in_use && p_cb->rcb[i].gatt_if == p_msg->api_dereg.server_if) {
281             p_cback = p_cb->rcb[i].p_cback;
282             status = BTA_GATT_OK;
283 
284             /* deregister the app */
285             GATT_Deregister(p_cb->rcb[i].gatt_if);
286 
287             /* reset cb */
288             memset(&p_cb->rcb[i], 0, sizeof(tBTA_GATTS_RCB));
289             cb_data.reg_oper.status = status;
290             break;
291         }
292     }
293 
294     if (p_cback) {
295         (*p_cback)(BTA_GATTS_DEREG_EVT, &cb_data);
296     } else {
297         APPL_TRACE_ERROR("application not registered.");
298     }
299 }
300 /*******************************************************************************
301 **
302 ** Function         bta_gatts_create_srvc
303 **
304 ** Description      action function to create a service.
305 **
306 ** Returns          none.
307 **
308 *******************************************************************************/
bta_gatts_create_srvc(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)309 void bta_gatts_create_srvc(tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
310 {
311     UINT8               rcb_idx;
312     tBTA_GATTS          cb_data;
313     UINT8               srvc_idx;
314     UINT16              service_id = 0;
315 
316     cb_data.create.status = BTA_GATT_ERROR;
317 
318     rcb_idx = bta_gatts_find_app_rcb_idx_by_app_if(p_cb, p_msg->api_create_svc.server_if);
319 
320     APPL_TRACE_DEBUG("create service rcb_idx = %d", rcb_idx);
321 
322     if (rcb_idx != BTA_GATTS_INVALID_APP) {
323         if ((srvc_idx = bta_gatts_alloc_srvc_cb(p_cb, rcb_idx)) != BTA_GATTS_INVALID_APP) {
324             /* create the service now */
325             service_id = GATTS_CreateService (p_cb->rcb[rcb_idx].gatt_if,
326                                               &p_msg->api_create_svc.service_uuid,
327                                               p_msg->api_create_svc.inst,
328                                               p_msg->api_create_svc.num_handle,
329                                               p_msg->api_create_svc.is_pri);
330 
331             if (service_id != 0) {
332                 memcpy(&p_cb->srvc_cb[srvc_idx].service_uuid,
333                        &p_msg->api_create_svc.service_uuid, sizeof(tBT_UUID));
334                 p_cb->srvc_cb[srvc_idx].service_id   = service_id;
335                 p_cb->srvc_cb[srvc_idx].inst_num     = p_msg->api_create_svc.inst;
336                 p_cb->srvc_cb[srvc_idx].idx          = srvc_idx;
337 
338                 cb_data.create.status      = BTA_GATT_OK;
339                 cb_data.create.service_id  = service_id;
340 
341                 cb_data.create.is_primary  = p_msg->api_create_svc.is_pri;
342 
343                 cb_data.create.server_if   = p_cb->rcb[rcb_idx].gatt_if;
344             } else {
345                 cb_data.status  = BTA_GATT_ERROR;
346                 memset(&p_cb->srvc_cb[srvc_idx], 0, sizeof(tBTA_GATTS_SRVC_CB));
347                 APPL_TRACE_ERROR("service creation failed.");
348             }
349 
350             memcpy(&cb_data.create.uuid, &p_msg->api_create_svc.service_uuid, sizeof(tBT_UUID));
351             cb_data.create.svc_instance = p_msg->api_create_svc.inst;
352 
353         }
354         if (p_cb->rcb[rcb_idx].p_cback) {
355             (* p_cb->rcb[rcb_idx].p_cback)(BTA_GATTS_CREATE_EVT, &cb_data);
356         }
357     } else { /* application not registered */
358         APPL_TRACE_ERROR("Application not registered");
359     }
360 }
361 /*******************************************************************************
362 **
363 ** Function         bta_gatts_add_include_srvc
364 **
365 ** Description      action function to add an included service.
366 **
367 ** Returns          none.
368 **
369 *******************************************************************************/
bta_gatts_add_include_srvc(tBTA_GATTS_SRVC_CB * p_srvc_cb,tBTA_GATTS_DATA * p_msg)370 void bta_gatts_add_include_srvc(tBTA_GATTS_SRVC_CB *p_srvc_cb, tBTA_GATTS_DATA *p_msg)
371 {
372     tBTA_GATTS_RCB  *p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
373     UINT16          attr_id = 0;
374     tBTA_GATTS      cb_data;
375 
376     attr_id = GATTS_AddIncludeService(p_msg->api_add_incl_srvc.hdr.layer_specific,
377                                       p_msg->api_add_incl_srvc.included_service_id);
378 
379     cb_data.add_result.server_if = p_rcb->gatt_if;
380     cb_data.add_result.service_id = p_msg->api_add_incl_srvc.hdr.layer_specific;
381     cb_data.add_result.attr_id = attr_id;
382 
383     if (attr_id) {
384         cb_data.add_result.status = BTA_GATT_OK;
385     } else {
386         cb_data.add_result.status = BTA_GATT_ERROR;
387     }
388 
389     if (p_rcb->p_cback) {
390         (*p_rcb->p_cback)(BTA_GATTS_ADD_INCL_SRVC_EVT, &cb_data);
391     }
392 }
393 /*******************************************************************************
394 **
395 ** Function         bta_gatts_add_char
396 **
397 ** Description      action function to add characteristic.
398 **
399 ** Returns          none.
400 **
401 *******************************************************************************/
bta_gatts_add_char(tBTA_GATTS_SRVC_CB * p_srvc_cb,tBTA_GATTS_DATA * p_msg)402 void bta_gatts_add_char(tBTA_GATTS_SRVC_CB *p_srvc_cb, tBTA_GATTS_DATA *p_msg)
403 {
404     tBTA_GATTS_RCB  *p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
405     UINT16          attr_id = 0;
406     tBTA_GATTS      cb_data;
407 
408     tGATT_ATTR_VAL *p_attr_val = NULL;
409     tGATTS_ATTR_CONTROL *p_control = NULL;
410 
411     if(p_msg->api_add_char.attr_val.attr_max_len != 0){
412         p_attr_val = &p_msg->api_add_char.attr_val;
413     }
414 
415     if(p_msg->api_add_char.control.auto_rsp != 0){
416         p_control = &p_msg->api_add_char.control;
417     }
418 
419 
420     attr_id = GATTS_AddCharacteristic(p_msg->api_add_char.hdr.layer_specific,
421                                       &p_msg->api_add_char.char_uuid,
422                                       p_msg->api_add_char.perm,
423                                       p_msg->api_add_char.property, p_attr_val, p_control);
424     cb_data.add_result.server_if = p_rcb->gatt_if;
425     cb_data.add_result.service_id = p_msg->api_add_char.hdr.layer_specific;
426     cb_data.add_result.attr_id = attr_id;
427 // btla-specific ++
428     memcpy(&cb_data.add_result.char_uuid, &p_msg->api_add_char.char_uuid, sizeof(tBT_UUID));
429 // btla-specific --
430 
431     if (attr_id) {
432         cb_data.add_result.status = BTA_GATT_OK;
433     } else {
434         cb_data.add_result.status = BTA_GATT_ERROR;
435     }
436     if((p_attr_val != NULL) && (p_attr_val->attr_val != NULL)){
437         osi_free(p_attr_val->attr_val);
438     }
439 
440     if (p_rcb->p_cback) {
441         (*p_rcb->p_cback)(BTA_GATTS_ADD_CHAR_EVT, &cb_data);
442     }
443 }
444 
445 /*******************************************************************************
446 **
447 ** Function         bta_gatts_add_char_descr
448 **
449 ** Description      action function to add characteristic descriptor.
450 **
451 ** Returns          none.
452 **
453 *******************************************************************************/
bta_gatts_add_char_descr(tBTA_GATTS_SRVC_CB * p_srvc_cb,tBTA_GATTS_DATA * p_msg)454 void bta_gatts_add_char_descr(tBTA_GATTS_SRVC_CB *p_srvc_cb, tBTA_GATTS_DATA *p_msg)
455 {
456     tBTA_GATTS_RCB  *p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
457     UINT16          attr_id = 0;
458     tBTA_GATTS      cb_data;
459     tGATT_ATTR_VAL *p_attr_val = NULL;
460     tGATTS_ATTR_CONTROL *p_control = NULL;
461 
462     if (p_msg->api_add_char_descr.attr_val.attr_max_len != 0) {
463         p_attr_val = &p_msg->api_add_char_descr.attr_val;
464     }
465 
466     if (p_msg->api_add_char_descr.control.auto_rsp != 0) {
467         p_control = &p_msg->api_add_char_descr.control;
468     }
469     attr_id = GATTS_AddCharDescriptor(p_msg->api_add_char_descr.hdr.layer_specific,
470                                       p_msg->api_add_char_descr.perm,
471                                       &p_msg->api_add_char_descr.descr_uuid, p_attr_val,
472                                       p_control);
473 
474     cb_data.add_result.server_if = p_rcb->gatt_if;
475     cb_data.add_result.service_id = p_msg->api_add_char_descr.hdr.layer_specific;
476     cb_data.add_result.attr_id = attr_id;
477 // btla-specific ++
478     memcpy(&cb_data.add_result.char_uuid, &p_msg->api_add_char_descr.descr_uuid, sizeof(tBT_UUID));
479 // btla-specific --
480 
481     if (attr_id) {
482         cb_data.add_result.status = BTA_GATT_OK;
483     } else {
484         cb_data.add_result.status = BTA_GATT_ERROR;
485     }
486     if((p_attr_val != NULL) && (p_attr_val->attr_val != NULL)){
487         osi_free(p_attr_val->attr_val);
488     }
489 
490     if (p_rcb->p_cback) {
491         (*p_rcb->p_cback)(BTA_GATTS_ADD_CHAR_DESCR_EVT, &cb_data);
492     }
493 
494 }
495 
496 /*******************************************************************************
497 **
498 ** Function         bta_gatts_add_char_descr
499 **
500 ** Description      action function to add characteristic descriptor.
501 **
502 ** Returns          none.
503 **
504 *******************************************************************************/
bta_gatts_set_attr_value(tBTA_GATTS_SRVC_CB * p_srvc_cb,tBTA_GATTS_DATA * p_msg)505 void bta_gatts_set_attr_value(tBTA_GATTS_SRVC_CB *p_srvc_cb, tBTA_GATTS_DATA *p_msg)
506 {
507     tBTA_GATTS_RCB  *p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
508     UINT16          service_id = p_srvc_cb->service_id;
509     tBTA_GATTS      cb_data;
510     tBTA_GATT_STATUS gatts_status;
511     gatts_status = GATTS_SetAttributeValue(p_msg->api_set_val.hdr.layer_specific,
512                                            p_msg->api_set_val.length,
513                                            p_msg->api_set_val.value);
514 
515     cb_data.attr_val.server_if = p_rcb->gatt_if;
516     cb_data.attr_val.service_id = service_id;
517     cb_data.attr_val.attr_id = p_msg->api_set_val.hdr.layer_specific;
518     cb_data.attr_val.status = gatts_status;
519 
520     if (p_msg->api_set_val.value  != NULL){
521         osi_free(p_msg->api_set_val.value);
522     }
523 
524     if (p_rcb->p_cback) {
525         (*p_rcb->p_cback)(BTA_GATTS_SET_ATTR_VAL_EVT, &cb_data);
526     }
527 }
528 
bta_gatts_get_attr_value(UINT16 attr_handle,UINT16 * length,UINT8 ** value)529 tGATT_STATUS bta_gatts_get_attr_value(UINT16 attr_handle, UINT16 *length, UINT8 **value)
530 {
531 
532    return GATTS_GetAttributeValue(attr_handle, length, value);
533 }
534 
535 /*******************************************************************************
536 **
537 ** Function         bta_gatts_delete_service
538 **
539 ** Description      action function to delete a service.
540 **
541 ** Returns          none.
542 **
543 *******************************************************************************/
bta_gatts_delete_service(tBTA_GATTS_SRVC_CB * p_srvc_cb,tBTA_GATTS_DATA * p_msg)544 void bta_gatts_delete_service(tBTA_GATTS_SRVC_CB *p_srvc_cb, tBTA_GATTS_DATA *p_msg)
545 {
546     tBTA_GATTS_RCB *p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
547     tBTA_GATTS      cb_data;
548 
549     cb_data.srvc_oper.server_if = p_rcb->gatt_if;
550     cb_data.srvc_oper.service_id = p_msg->api_add_incl_srvc.hdr.layer_specific;
551 
552     if (GATTS_DeleteService(p_rcb->gatt_if,
553                             &p_srvc_cb->service_uuid,
554                             p_srvc_cb->inst_num)) {
555         cb_data.srvc_oper.status = BTA_GATT_OK;
556         memset(p_srvc_cb, 0, sizeof(tBTA_GATTS_SRVC_CB));
557     } else {
558         cb_data.srvc_oper.status = BTA_GATT_ERROR;
559     }
560 
561     if (p_rcb->p_cback) {
562         (*p_rcb->p_cback)(BTA_GATTS_DELELTE_EVT, &cb_data);
563     }
564 
565 }
566 /*******************************************************************************
567 **
568 ** Function         bta_gatts_start_service
569 **
570 ** Description      action function to start a service.
571 **
572 ** Returns          none.
573 **
574 *******************************************************************************/
bta_gatts_start_service(tBTA_GATTS_SRVC_CB * p_srvc_cb,tBTA_GATTS_DATA * p_msg)575 void bta_gatts_start_service(tBTA_GATTS_SRVC_CB *p_srvc_cb, tBTA_GATTS_DATA *p_msg)
576 {
577     tBTA_GATTS_RCB *p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
578     tBTA_GATTS      cb_data;
579 
580     cb_data.srvc_oper.server_if = p_rcb->gatt_if;
581     cb_data.srvc_oper.service_id = p_msg->api_add_incl_srvc.hdr.layer_specific;
582 
583     if (GATTS_StartService(p_rcb->gatt_if,
584                            p_srvc_cb->service_id,
585                            p_msg->api_start.transport) ==  GATT_SUCCESS) {
586         APPL_TRACE_DEBUG("bta_gatts_start_service service_id= %d", p_srvc_cb->service_id);
587         cb_data.srvc_oper.status = BTA_GATT_OK;
588     } else {
589         cb_data.srvc_oper.status = BTA_GATT_ERROR;
590     }
591 
592     if (p_rcb->p_cback) {
593         (*p_rcb->p_cback)(BTA_GATTS_START_EVT, &cb_data);
594     }
595 
596 }
597 /*******************************************************************************
598 **
599 ** Function         bta_gatts_stop_service
600 **
601 ** Description      action function to stop a service.
602 **
603 ** Returns          none.
604 **
605 *******************************************************************************/
bta_gatts_stop_service(tBTA_GATTS_SRVC_CB * p_srvc_cb,tBTA_GATTS_DATA * p_msg)606 void bta_gatts_stop_service(tBTA_GATTS_SRVC_CB *p_srvc_cb, tBTA_GATTS_DATA *p_msg)
607 {
608     tBTA_GATTS_RCB *p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
609     tBTA_GATTS      cb_data;
610     UNUSED(p_msg);
611 
612     GATTS_StopService(p_srvc_cb->service_id);
613     cb_data.srvc_oper.server_if = p_rcb->gatt_if;
614     cb_data.srvc_oper.service_id = p_srvc_cb->service_id;
615     cb_data.srvc_oper.status = BTA_GATT_OK;
616     APPL_TRACE_DEBUG("bta_gatts_stop_service service_id= %d", p_srvc_cb->service_id);
617 
618     if (p_rcb->p_cback) {
619         (*p_rcb->p_cback)(BTA_GATTS_STOP_EVT, &cb_data);
620     }
621 
622 }
623 /*******************************************************************************
624 **
625 ** Function         bta_gatts_send_rsp
626 **
627 ** Description      GATTS send response.
628 **
629 ** Returns          none.
630 **
631 *******************************************************************************/
bta_gatts_send_rsp(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)632 void bta_gatts_send_rsp (tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
633 {
634     UNUSED(p_cb);
635 
636     if (GATTS_SendRsp (p_msg->api_rsp.hdr.layer_specific,
637                        p_msg->api_rsp.trans_id,
638                        p_msg->api_rsp.status,
639                        (tGATTS_RSP *)p_msg->api_rsp.p_rsp) != GATT_SUCCESS) {
640         APPL_TRACE_ERROR("Sending response failed\n");
641     }
642 
643 }
644 /*******************************************************************************
645 **
646 ** Function         bta_gatts_indicate_handle
647 **
648 ** Description      GATTS send handle value indication or notification.
649 **
650 ** Returns          none.
651 **
652 *******************************************************************************/
bta_gatts_indicate_handle(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)653 void bta_gatts_indicate_handle (tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
654 {
655     tBTA_GATTS_SRVC_CB  *p_srvc_cb;
656     tBTA_GATTS_RCB      *p_rcb = NULL;
657     tBTA_GATT_STATUS    status = BTA_GATT_ILLEGAL_PARAMETER;
658     tGATT_IF            gatt_if;
659     BD_ADDR             remote_bda;
660     tBTA_TRANSPORT transport;
661     tBTA_GATTS          cb_data;
662 
663     p_srvc_cb = bta_gatts_find_srvc_cb_by_attr_id (p_cb, p_msg->api_indicate.attr_id);
664 
665     if (p_srvc_cb ) {
666         if (GATT_GetConnectionInfor(p_msg->api_indicate.hdr.layer_specific,
667                                     &gatt_if, remote_bda, &transport)) {
668             p_rcb = bta_gatts_find_app_rcb_by_app_if(gatt_if);
669 
670             if (p_msg->api_indicate.need_confirm) {
671 
672                 status = GATTS_HandleValueIndication (p_msg->api_indicate.hdr.layer_specific,
673                                                       p_msg->api_indicate.attr_id,
674                                                       p_msg->api_indicate.len,
675                                                       p_msg->api_indicate.value);
676             } else {
677                 l2ble_update_att_acl_pkt_num(L2CA_DECREASE_BTU_NUM, NULL);
678                 status = GATTS_HandleValueNotification (p_msg->api_indicate.hdr.layer_specific,
679                                                         p_msg->api_indicate.attr_id,
680                                                         p_msg->api_indicate.len,
681                                                         p_msg->api_indicate.value);
682             }
683 
684             /* if over BR_EDR, inform PM for mode change */
685             if (transport == BTA_TRANSPORT_BR_EDR) {
686                 bta_sys_busy(BTA_ID_GATTS, BTA_ALL_APP_ID, remote_bda);
687                 bta_sys_idle(BTA_ID_GATTS, BTA_ALL_APP_ID, remote_bda);
688             }
689         } else {
690             APPL_TRACE_ERROR("Unknown connection ID: %d fail sending notification",
691                              p_msg->api_indicate.hdr.layer_specific);
692         }
693 
694         if ((status != GATT_SUCCESS || !p_msg->api_indicate.need_confirm) &&
695                 p_rcb && p_cb->rcb[p_srvc_cb->rcb_idx].p_cback) {
696             cb_data.req_data.status = status;
697             cb_data.req_data.conn_id = p_msg->api_indicate.hdr.layer_specific;
698             cb_data.req_data.value = NULL;
699             cb_data.req_data.data_len = 0;
700             cb_data.req_data.handle = p_msg->api_indicate.attr_id;
701 
702             if (p_msg->api_indicate.value && (p_msg->api_indicate.len > 0)) {
703                 cb_data.req_data.value = (uint8_t *) osi_malloc(p_msg->api_indicate.len);
704                 if (cb_data.req_data.value != NULL) {
705                     memset(cb_data.req_data.value, 0, p_msg->api_indicate.len);
706                     cb_data.req_data.data_len = p_msg->api_indicate.len;
707                     memcpy(cb_data.req_data.value, p_msg->api_indicate.value, p_msg->api_indicate.len);
708                 } else {
709                     APPL_TRACE_ERROR("%s, malloc failed", __func__);
710                 }
711             } else {
712                 if (p_msg->api_indicate.value) {
713                     APPL_TRACE_ERROR("%s, incorrect length", __func__);
714                 }
715             }
716             (*p_rcb->p_cback)(BTA_GATTS_CONF_EVT, &cb_data);
717             if (cb_data.req_data.value != NULL) {
718                 osi_free(cb_data.req_data.value);
719                 cb_data.req_data.value = NULL;
720             }
721         }
722     } else {
723         APPL_TRACE_ERROR("Not an registered servce attribute ID: 0x%04x",
724                          p_msg->api_indicate.attr_id);
725     }
726 }
727 
728 
729 /*******************************************************************************
730 **
731 ** Function         bta_gatts_open
732 **
733 ** Description
734 **
735 ** Returns          none.
736 **
737 *******************************************************************************/
bta_gatts_open(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)738 void bta_gatts_open (tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
739 {
740     tBTA_GATTS_RCB      *p_rcb = NULL;
741     tBTA_GATT_STATUS    status = BTA_GATT_ERROR;
742     UINT16              conn_id;
743     tBTA_GATTS_OPEN    open;
744     UNUSED(p_cb);
745 
746     if ((p_rcb = bta_gatts_find_app_rcb_by_app_if(p_msg->api_open.server_if)) != NULL) {
747         /* should always get the connection ID */
748         if (GATT_Connect(p_rcb->gatt_if, p_msg->api_open.remote_bda, BLE_ADDR_UNKNOWN_TYPE,
749                          p_msg->api_open.is_direct, p_msg->api_open.transport, FALSE)) {
750             status = BTA_GATT_OK;
751 
752             if (GATT_GetConnIdIfConnected(p_rcb->gatt_if, p_msg->api_open.remote_bda,
753                                           &conn_id, p_msg->api_open.transport)) {
754                 status = BTA_GATT_ALREADY_OPEN;
755             }
756         }
757     } else {
758         APPL_TRACE_ERROR("Inavlide server_if=%d", p_msg->api_open.server_if);
759     }
760 
761     if (p_rcb && p_rcb->p_cback) {
762         open.status = status;
763         open.server_if = p_msg->api_open.server_if;
764         (*p_rcb->p_cback)(BTA_GATTS_OPEN_EVT,  (tBTA_GATTS *)&open);
765     }
766 
767 }
768 /*******************************************************************************
769 **
770 ** Function         bta_gatts_cancel_open
771 **
772 ** Description
773 **
774 ** Returns          none.
775 **
776 *******************************************************************************/
bta_gatts_cancel_open(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)777 void bta_gatts_cancel_open (tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
778 {
779     tBTA_GATTS_RCB      *p_rcb;
780     tBTA_GATT_STATUS    status = BTA_GATT_ERROR;
781     tBTA_GATTS_CANCEL_OPEN   cancel_open;
782     UNUSED(p_cb);
783 
784     if ((p_rcb = bta_gatts_find_app_rcb_by_app_if(p_msg->api_cancel_open.server_if)) != NULL) {
785         if (!GATT_CancelConnect(p_rcb->gatt_if, p_msg->api_cancel_open.remote_bda,
786                                 p_msg->api_cancel_open.is_direct)) {
787             APPL_TRACE_ERROR("bta_gatts_cancel_open failed for open request");
788         } else {
789             status = BTA_GATT_OK;
790         }
791     } else {
792         APPL_TRACE_ERROR("Inavlide server_if=%d", p_msg->api_cancel_open.server_if);
793     }
794 
795     if (p_rcb && p_rcb->p_cback) {
796         cancel_open.status = status;
797         cancel_open.server_if = p_msg->api_cancel_open.server_if;
798         (*p_rcb->p_cback)(BTA_GATTS_CANCEL_OPEN_EVT,  (tBTA_GATTS *)&cancel_open);
799 
800     }
801 }
802 /*******************************************************************************
803 **
804 ** Function         bta_gatts_close
805 **
806 ** Description
807 **
808 ** Returns          none.
809 **
810 *******************************************************************************/
bta_gatts_close(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)811 void bta_gatts_close (tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
812 {
813     tBTA_GATTS_RCB     *p_rcb;
814     tBTA_GATT_STATUS    status = BTA_GATT_ERROR;
815     tGATT_IF            gatt_if;
816     BD_ADDR             remote_bda;
817     tBTA_GATT_TRANSPORT transport;
818     tBTA_GATTS_CLOSE    close;
819     UNUSED(p_cb);
820 
821     if (GATT_GetConnectionInfor(p_msg->hdr.layer_specific, &gatt_if, remote_bda, &transport)) {
822         if (GATT_Disconnect(p_msg->hdr.layer_specific) != GATT_SUCCESS) {
823             APPL_TRACE_ERROR("bta_gatts_close fail conn_id=%d", p_msg->hdr.layer_specific);
824         } else {
825             status = BTA_GATT_OK;
826         }
827 
828         p_rcb = bta_gatts_find_app_rcb_by_app_if(gatt_if);
829 
830         if (p_rcb && p_rcb->p_cback) {
831             if (transport == BTA_TRANSPORT_BR_EDR) {
832                 bta_sys_conn_close( BTA_ID_GATTS , BTA_ALL_APP_ID, remote_bda);
833             }
834 
835             close.status = status;
836             close.conn_id = p_msg->hdr.layer_specific;
837             (*p_rcb->p_cback)(BTA_GATTS_CLOSE_EVT,  (tBTA_GATTS *)&close);
838         }
839     } else {
840         APPL_TRACE_ERROR("Unknown connection ID: %d", p_msg->hdr.layer_specific);
841     }
842 
843 }
844 
845 /*******************************************************************************
846 **
847 ** Function         bta_gatts_send_service_change_indication
848 **
849 ** Description      gatts send service change indication
850 **
851 ** Returns          none.
852 **
853 *******************************************************************************/
bta_gatts_send_service_change_indication(tBTA_GATTS_DATA * p_msg)854 void bta_gatts_send_service_change_indication (tBTA_GATTS_DATA *p_msg)
855 {
856     tBTA_GATTS_RCB     *p_rcb = bta_gatts_find_app_rcb_by_app_if(p_msg->api_send_service_change.server_if);
857     tBTA_GATTS_SERVICE_CHANGE    service_change;
858     tBTA_GATT_STATUS status = BTA_GATT_OK;
859     UINT16 addr[BD_ADDR_LEN] = {0};
860     if(memcmp(p_msg->api_send_service_change.remote_bda, addr, BD_ADDR_LEN) != 0) {
861         BD_ADDR bd_addr;
862         memcpy(bd_addr, p_msg->api_send_service_change.remote_bda, BD_ADDR_LEN);
863         status = GATT_SendServiceChangeIndication(bd_addr);
864     } else {
865         status = GATT_SendServiceChangeIndication(NULL);
866     }
867     if (p_rcb && p_rcb->p_cback) {
868         service_change.status = status;
869         service_change.server_if = p_msg->api_send_service_change.server_if;
870         (*p_rcb->p_cback)(BTA_GATTS_SEND_SERVICE_CHANGE_EVT,  (tBTA_GATTS *)&service_change);
871     }
872 }
873 
874 /*******************************************************************************
875 **
876 ** Function         bta_gatts_listen
877 **
878 ** Description      Start or stop listening for LE connection on a GATT server
879 **
880 ** Returns          none.
881 **
882 *******************************************************************************/
bta_gatts_listen(tBTA_GATTS_CB * p_cb,tBTA_GATTS_DATA * p_msg)883 void bta_gatts_listen(tBTA_GATTS_CB *p_cb, tBTA_GATTS_DATA *p_msg)
884 {
885     tBTA_GATTS_RCB     *p_rcb = bta_gatts_find_app_rcb_by_app_if(p_msg->api_listen.server_if);
886     tBTA_GATTS          cb_data;
887     UNUSED(p_cb);
888 
889     cb_data.reg_oper.status = BTA_GATT_OK;
890     cb_data.reg_oper.server_if = p_msg->api_listen.server_if;
891 
892     if (p_rcb == NULL) {
893         APPL_TRACE_ERROR("Unknown GATTS application");
894         return;
895     }
896 
897     if (!GATT_Listen(p_msg->api_listen.server_if,
898                      p_msg->api_listen.start,
899                      p_msg->api_listen.remote_bda)) {
900         cb_data.status = BTA_GATT_ERROR;
901         APPL_TRACE_ERROR("bta_gatts_listen Listen failed");
902     }
903 
904     if (p_rcb->p_cback) {
905         (*p_rcb->p_cback)(BTA_GATTS_LISTEN_EVT, &cb_data);
906     }
907 }
908 
909 /*******************************************************************************
910 **
911 ** Function         bta_gatts_request_cback
912 **
913 ** Description      GATTS attribute request callback.
914 **
915 ** Returns          none.
916 **
917 *******************************************************************************/
bta_gatts_send_request_cback(UINT16 conn_id,UINT32 trans_id,tGATTS_REQ_TYPE req_type,tGATTS_DATA * p_data)918 static void bta_gatts_send_request_cback (UINT16 conn_id,
919         UINT32 trans_id,
920         tGATTS_REQ_TYPE req_type, tGATTS_DATA *p_data)
921 {
922     tBTA_GATTS          cb_data;
923     tBTA_GATTS_RCB     *p_rcb;
924     tGATT_IF            gatt_if;
925     tBTA_GATT_TRANSPORT transport;
926 
927     memset(&cb_data, 0 , sizeof(tBTA_GATTS));
928 
929     if (GATT_GetConnectionInfor(conn_id, &gatt_if, cb_data.req_data.remote_bda, &transport)) {
930         p_rcb = bta_gatts_find_app_rcb_by_app_if(gatt_if);
931 
932         APPL_TRACE_DEBUG ("bta_gatts_send_request_cback conn_id=%d trans_id=%d req_type=%d",
933                           conn_id, trans_id, req_type);
934 
935         if (p_rcb && p_rcb->p_cback) {
936             /* if over BR_EDR, inform PM for mode change */
937             if (transport == BTA_TRANSPORT_BR_EDR) {
938                 bta_sys_busy(BTA_ID_GATTS, BTA_ALL_APP_ID, cb_data.req_data.remote_bda);
939                 bta_sys_idle(BTA_ID_GATTS, BTA_ALL_APP_ID, cb_data.req_data.remote_bda);
940             }
941 
942             cb_data.req_data.conn_id    = conn_id;
943             cb_data.req_data.trans_id   = trans_id;
944             cb_data.req_data.p_data     = (tBTA_GATTS_REQ_DATA *)p_data;
945 
946             if(req_type == BTA_GATTS_CONF_EVT) {
947                cb_data.req_data.handle =  p_data->handle;
948             }
949             (*p_rcb->p_cback)(req_type,  &cb_data);
950         } else {
951             APPL_TRACE_ERROR("connection request on gatt_if[%d] is not interested", gatt_if);
952         }
953     } else {
954         APPL_TRACE_ERROR("request received on unknown connection ID: %d", conn_id);
955     }
956 }
957 
958 /*******************************************************************************
959 **
960 ** Function         bta_gatts_conn_cback
961 **
962 ** Description      connection callback.
963 **
964 ** Returns          none.
965 **
966 *******************************************************************************/
bta_gatts_conn_cback(tGATT_IF gatt_if,BD_ADDR bda,UINT16 conn_id,BOOLEAN connected,tGATT_DISCONN_REASON reason,tGATT_TRANSPORT transport)967 static void bta_gatts_conn_cback (tGATT_IF gatt_if, BD_ADDR bda, UINT16 conn_id,
968                                   BOOLEAN connected, tGATT_DISCONN_REASON reason,
969                                   tGATT_TRANSPORT transport)
970 {
971     tBTA_GATTS      cb_data = {0};
972     UINT8           evt = connected ? BTA_GATTS_CONNECT_EVT : BTA_GATTS_DISCONNECT_EVT;
973     tBTA_GATTS_RCB  *p_reg;
974 
975     APPL_TRACE_DEBUG ("bta_gatts_conn_cback gatt_if=%d conn_id=%d connected=%d reason = 0x%04d",
976                       gatt_if, conn_id, connected, reason);
977     APPL_TRACE_DEBUG("bta_gatts_conn_cback  bda :%02x-%02x-%02x-%02x-%02x-%02x ",
978                      bda[0],  bda[1], bda[2],  bda[3], bda[4],  bda[5]);
979 
980     bt_bdaddr_t bdaddr;
981     bdcpy(bdaddr.address, bda);
982     /*
983     if (connected)
984         btif_debug_conn_state(bdaddr, BTIF_DEBUG_CONNECTED, GATT_CONN_UNKNOWN);
985     else
986         btif_debug_conn_state(bdaddr, BTIF_DEBUG_DISCONNECTED, reason);
987     */
988     p_reg = bta_gatts_find_app_rcb_by_app_if(gatt_if);
989 
990     if (p_reg && p_reg->p_cback) {
991         /* there is no RM for GATT */
992         if (transport == BTA_TRANSPORT_BR_EDR) {
993             if (connected) {
994                 bta_sys_conn_open(BTA_ID_GATTS, BTA_ALL_APP_ID, bda);
995             } else {
996                 bta_sys_conn_close( BTA_ID_GATTS , BTA_ALL_APP_ID, bda);
997             }
998         }
999         if(evt == BTA_GATTS_CONNECT_EVT) {
1000             tL2C_LCB *p_lcb = l2cu_find_lcb_by_bd_addr(bda, BT_TRANSPORT_LE);
1001             if(p_lcb != NULL) {
1002                 cb_data.conn.conn_params.interval = p_lcb->current_used_conn_interval;
1003                 cb_data.conn.conn_params.latency = p_lcb->current_used_conn_latency;
1004                 cb_data.conn.conn_params.timeout = p_lcb->current_used_conn_timeout;
1005                 cb_data.conn.link_role = p_lcb->link_role;
1006             }else {
1007                 APPL_TRACE_WARNING("%s not found connection parameters of the device ", __func__);
1008             }
1009         }
1010         cb_data.conn.conn_id = conn_id;
1011         cb_data.conn.server_if = gatt_if;
1012         cb_data.conn.reason = reason;
1013         cb_data.conn.transport = transport;
1014         memcpy(cb_data.conn.remote_bda, bda, BD_ADDR_LEN);
1015         (*p_reg->p_cback)(evt, &cb_data);
1016     } else {
1017         APPL_TRACE_ERROR("bta_gatts_conn_cback server_if=%d not found", gatt_if);
1018     }
1019 }
1020 
1021 /*******************************************************************************
1022 **
1023 ** Function         bta_gatts_cong_cback
1024 **
1025 ** Description      congestion callback.
1026 **
1027 ** Returns          none.
1028 **
1029 *******************************************************************************/
bta_gatts_cong_cback(UINT16 conn_id,BOOLEAN congested)1030 static void bta_gatts_cong_cback (UINT16 conn_id, BOOLEAN congested)
1031 {
1032     tBTA_GATTS cb_data;
1033     cb_data.congest.conn_id = conn_id;
1034     cb_data.congest.congested = congested;
1035     btc_congest_callback(&cb_data);
1036 }
1037 #endif /* GATTS_INCLUDED */
1038