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#include "bt_target.h"
27
28#include <string.h>
29#include "bt_common.h"
30#include "bta_gatts_co.h"
31#include "bta_gatts_int.h"
32#include "bta_sys.h"
33#include "btif/include/btif_debug_conn.h"
34#include "btm_ble_api.h"
35#include "osi/include/osi.h"
36#include "utl.h"
37
38static void bta_gatts_nv_save_cback(bool is_saved,
39                                    tGATTS_HNDL_RANGE* p_hndl_range);
40static bool bta_gatts_nv_srv_chg_cback(tGATTS_SRV_CHG_CMD cmd,
41                                       tGATTS_SRV_CHG_REQ* p_req,
42                                       tGATTS_SRV_CHG_RSP* p_rsp);
43
44static void bta_gatts_conn_cback(tGATT_IF gatt_if, BD_ADDR bda,
45                                 uint16_t conn_id, bool connected,
46                                 tGATT_DISCONN_REASON reason,
47                                 tGATT_TRANSPORT transport);
48static void bta_gatts_send_request_cback(uint16_t conn_id, uint32_t trans_id,
49                                         tGATTS_REQ_TYPE req_type,
50                                         tGATTS_DATA* p_data);
51static void bta_gatts_cong_cback(uint16_t conn_id, bool congested);
52static void bta_gatts_phy_update_cback(tGATT_IF gatt_if, uint16_t conn_id,
53                                       uint8_t tx_phy, uint8_t rx_phy,
54                                       uint8_t status);
55static void bta_gatts_conn_update_cback(tGATT_IF gatt_if, uint16_t conn_id,
56                                        uint16_t interval, uint16_t latency,
57                                        uint16_t timeout, uint8_t status);
58
59static tGATT_CBACK bta_gatts_cback = {bta_gatts_conn_cback,
60                                      NULL,
61                                      NULL,
62                                      NULL,
63                                      bta_gatts_send_request_cback,
64                                      NULL,
65                                      bta_gatts_cong_cback,
66                                      bta_gatts_phy_update_cback,
67                                      bta_gatts_conn_update_cback};
68
69tGATT_APPL_INFO bta_gatts_nv_cback = {bta_gatts_nv_save_cback,
70                                      bta_gatts_nv_srv_chg_cback};
71
72/*******************************************************************************
73 *
74 * Function         bta_gatts_nv_save_cback
75 *
76 * Description      NV save callback function.
77 *
78 * Parameter        is_add: true is to add a handle range; otherwise is to
79 *                          delete.
80 * Returns          none.
81 *
82 ******************************************************************************/
83static void bta_gatts_nv_save_cback(bool is_add,
84                                    tGATTS_HNDL_RANGE* p_hndl_range) {
85  bta_gatts_co_update_handle_range(is_add,
86                                   (tBTA_GATTS_HNDL_RANGE*)p_hndl_range);
87}
88
89/*******************************************************************************
90 *
91 * Function         bta_gatts_nv_srv_chg_cback
92 *
93 * Description      NV save callback function.
94 *
95 * Parameter        is_add: true is to add a handle range; otherwise is to
96 *                          delete.
97 * Returns          none.
98 *
99 ******************************************************************************/
100static bool bta_gatts_nv_srv_chg_cback(tGATTS_SRV_CHG_CMD cmd,
101                                       tGATTS_SRV_CHG_REQ* p_req,
102                                       tGATTS_SRV_CHG_RSP* p_rsp) {
103  return bta_gatts_co_srv_chg((tBTA_GATTS_SRV_CHG_CMD)cmd,
104                              (tBTA_GATTS_SRV_CHG_REQ*)p_req,
105                              (tBTA_GATTS_SRV_CHG_RSP*)p_rsp);
106}
107
108/*******************************************************************************
109 *
110 * Function         bta_gatts_enable
111 *
112 * Description      enable BTA GATTS module.
113 *
114 * Returns          none.
115 *
116 ******************************************************************************/
117void bta_gatts_enable(tBTA_GATTS_CB* p_cb) {
118  uint8_t index = 0;
119  tBTA_GATTS_HNDL_RANGE handle_range;
120
121  if (p_cb->enabled) {
122    APPL_TRACE_DEBUG("GATTS already enabled.");
123  } else {
124    memset(p_cb, 0, sizeof(tBTA_GATTS_CB));
125
126    p_cb->enabled = true;
127
128    while (bta_gatts_co_load_handle_range(index, &handle_range)) {
129      GATTS_AddHandleRange((tGATTS_HNDL_RANGE*)&handle_range);
130      memset(&handle_range, 0, sizeof(tGATTS_HNDL_RANGE));
131      index++;
132    }
133
134    APPL_TRACE_DEBUG("bta_gatts_enable: num of handle range added=%d", index);
135
136    if (!GATTS_NVRegister(&bta_gatts_nv_cback)) {
137      APPL_TRACE_ERROR("BTA GATTS NV register failed.");
138    }
139  }
140}
141
142/*******************************************************************************
143 *
144 * Function         bta_gatts_api_disable
145 *
146 * Description      disable BTA GATTS module.
147 *
148 * Returns          none.
149 *
150 ******************************************************************************/
151void bta_gatts_api_disable(tBTA_GATTS_CB* p_cb) {
152  uint8_t i;
153
154  if (p_cb->enabled) {
155    for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i++) {
156      if (p_cb->rcb[i].in_use) {
157        GATT_Deregister(p_cb->rcb[i].gatt_if);
158      }
159    }
160    memset(p_cb, 0, sizeof(tBTA_GATTS_CB));
161  } else {
162    APPL_TRACE_ERROR("GATTS not enabled");
163  }
164}
165
166/*******************************************************************************
167 *
168 * Function         bta_gatts_register
169 *
170 * Description      register an application.
171 *
172 * Returns          none.
173 *
174 ******************************************************************************/
175void bta_gatts_register(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg) {
176  tBTA_GATTS cb_data;
177  tBTA_GATT_STATUS status = BTA_GATT_OK;
178  uint8_t i, first_unuse = 0xff;
179
180  if (p_cb->enabled == false) {
181    bta_gatts_enable(p_cb);
182  }
183
184  for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i++) {
185    if (p_cb->rcb[i].in_use) {
186      if (bta_gatts_uuid_compare(p_cb->rcb[i].app_uuid,
187                                 p_msg->api_reg.app_uuid)) {
188        APPL_TRACE_ERROR("application already registered.");
189        status = BTA_GATT_DUP_REG;
190        break;
191      }
192    }
193  }
194
195  if (status == BTA_GATT_OK) {
196    for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i++) {
197      if (first_unuse == 0xff && !p_cb->rcb[i].in_use) {
198        first_unuse = i;
199        break;
200      }
201    }
202
203    cb_data.reg_oper.server_if = BTA_GATTS_INVALID_IF;
204    memcpy(&cb_data.reg_oper.uuid, &p_msg->api_reg.app_uuid, sizeof(tBT_UUID));
205    if (first_unuse != 0xff) {
206      APPL_TRACE_ERROR("register application first_unuse rcb_idx = %d",
207                       first_unuse);
208
209      p_cb->rcb[first_unuse].in_use = true;
210      p_cb->rcb[first_unuse].p_cback = p_msg->api_reg.p_cback;
211      memcpy(&p_cb->rcb[first_unuse].app_uuid, &p_msg->api_reg.app_uuid,
212             sizeof(tBT_UUID));
213      cb_data.reg_oper.server_if = p_cb->rcb[first_unuse].gatt_if =
214          GATT_Register(&p_msg->api_reg.app_uuid, &bta_gatts_cback);
215      if (!p_cb->rcb[first_unuse].gatt_if) {
216        status = BTA_GATT_NO_RESOURCES;
217      } else {
218        tBTA_GATTS_INT_START_IF* p_buf = (tBTA_GATTS_INT_START_IF*)osi_malloc(
219            sizeof(tBTA_GATTS_INT_START_IF));
220        p_buf->hdr.event = BTA_GATTS_INT_START_IF_EVT;
221        p_buf->server_if = p_cb->rcb[first_unuse].gatt_if;
222
223        bta_sys_sendmsg(p_buf);
224      }
225    } else {
226      status = BTA_GATT_NO_RESOURCES;
227    }
228  }
229  cb_data.reg_oper.status = status;
230  if (p_msg->api_reg.p_cback)
231    (*p_msg->api_reg.p_cback)(BTA_GATTS_REG_EVT, &cb_data);
232}
233
234/*******************************************************************************
235 *
236 * Function         bta_gatts_start_if
237 *
238 * Description      start an application interface.
239 *
240 * Returns          none.
241 *
242 ******************************************************************************/
243void bta_gatts_start_if(UNUSED_ATTR tBTA_GATTS_CB* p_cb,
244                        tBTA_GATTS_DATA* p_msg) {
245  if (bta_gatts_find_app_rcb_by_app_if(p_msg->int_start_if.server_if)) {
246    GATT_StartIf(p_msg->int_start_if.server_if);
247  } else {
248    APPL_TRACE_ERROR("Unable to start app.: Unknown interface =%d",
249                     p_msg->int_start_if.server_if);
250  }
251}
252/*******************************************************************************
253 *
254 * Function         bta_gatts_deregister
255 *
256 * Description      deregister an application.
257 *
258 * Returns          none.
259 *
260 ******************************************************************************/
261void bta_gatts_deregister(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg) {
262  tBTA_GATT_STATUS status = BTA_GATT_ERROR;
263  tBTA_GATTS_CBACK* p_cback = NULL;
264  uint8_t i;
265  tBTA_GATTS cb_data;
266
267  cb_data.reg_oper.server_if = p_msg->api_dereg.server_if;
268  cb_data.reg_oper.status = status;
269
270  for (i = 0; i < BTA_GATTS_MAX_APP_NUM; i++) {
271    if (p_cb->rcb[i].in_use &&
272        p_cb->rcb[i].gatt_if == p_msg->api_dereg.server_if) {
273      p_cback = p_cb->rcb[i].p_cback;
274      status = BTA_GATT_OK;
275
276      /* deregister the app */
277      GATT_Deregister(p_cb->rcb[i].gatt_if);
278
279      /* reset cb */
280      memset(&p_cb->rcb[i], 0, sizeof(tBTA_GATTS_RCB));
281      cb_data.reg_oper.status = status;
282      break;
283    }
284  }
285
286  if (p_cback) {
287    (*p_cback)(BTA_GATTS_DEREG_EVT, &cb_data);
288  } else {
289    APPL_TRACE_ERROR("application not registered.");
290  }
291}
292
293/*******************************************************************************
294 *
295 * Function         bta_gatts_delete_service
296 *
297 * Description      action function to delete a service.
298 *
299 * Returns          none.
300 *
301 ******************************************************************************/
302void bta_gatts_delete_service(tBTA_GATTS_SRVC_CB* p_srvc_cb,
303                              tBTA_GATTS_DATA* p_msg) {
304  tBTA_GATTS_RCB* p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
305  tBTA_GATTS cb_data;
306
307  cb_data.srvc_oper.server_if = p_rcb->gatt_if;
308  // cb_data.srvc_oper.service_id = p_msg->api_add_incl_srvc.hdr.layer_specific;
309
310  if (GATTS_DeleteService(p_rcb->gatt_if, &p_srvc_cb->service_uuid,
311                          p_srvc_cb->service_id)) {
312    cb_data.srvc_oper.status = BTA_GATT_OK;
313    memset(p_srvc_cb, 0, sizeof(tBTA_GATTS_SRVC_CB));
314  } else {
315    cb_data.srvc_oper.status = BTA_GATT_ERROR;
316  }
317
318  if (p_rcb->p_cback) (*p_rcb->p_cback)(BTA_GATTS_DELELTE_EVT, &cb_data);
319}
320
321/*******************************************************************************
322 *
323 * Function         bta_gatts_stop_service
324 *
325 * Description      action function to stop a service.
326 *
327 * Returns          none.
328 *
329 ******************************************************************************/
330void bta_gatts_stop_service(tBTA_GATTS_SRVC_CB* p_srvc_cb,
331                            UNUSED_ATTR tBTA_GATTS_DATA* p_msg) {
332  tBTA_GATTS_RCB* p_rcb = &bta_gatts_cb.rcb[p_srvc_cb->rcb_idx];
333  tBTA_GATTS cb_data;
334
335  GATTS_StopService(p_srvc_cb->service_id);
336  cb_data.srvc_oper.server_if = p_rcb->gatt_if;
337  cb_data.srvc_oper.service_id = p_srvc_cb->service_id;
338  cb_data.srvc_oper.status = BTA_GATT_OK;
339  APPL_TRACE_ERROR("bta_gatts_stop_service service_id= %d",
340                   p_srvc_cb->service_id);
341
342  if (p_rcb->p_cback) (*p_rcb->p_cback)(BTA_GATTS_STOP_EVT, &cb_data);
343}
344/*******************************************************************************
345 *
346 * Function         bta_gatts_send_rsp
347 *
348 * Description      GATTS send response.
349 *
350 * Returns          none.
351 *
352 ******************************************************************************/
353void bta_gatts_send_rsp(UNUSED_ATTR tBTA_GATTS_CB* p_cb,
354                        tBTA_GATTS_DATA* p_msg) {
355  if (GATTS_SendRsp(p_msg->api_rsp.hdr.layer_specific, p_msg->api_rsp.trans_id,
356                    p_msg->api_rsp.status,
357                    (tGATTS_RSP*)p_msg->api_rsp.p_rsp) != GATT_SUCCESS) {
358    APPL_TRACE_ERROR("Sending response failed");
359  }
360}
361/*******************************************************************************
362 *
363 * Function         bta_gatts_indicate_handle
364 *
365 * Description      GATTS send handle value indication or notification.
366 *
367 * Returns          none.
368 *
369 ******************************************************************************/
370void bta_gatts_indicate_handle(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg) {
371  tBTA_GATTS_SRVC_CB* p_srvc_cb;
372  tBTA_GATTS_RCB* p_rcb = NULL;
373  tBTA_GATT_STATUS status = BTA_GATT_ILLEGAL_PARAMETER;
374  tGATT_IF gatt_if;
375  BD_ADDR remote_bda;
376  tBTA_TRANSPORT transport;
377  tBTA_GATTS cb_data;
378
379  p_srvc_cb =
380      bta_gatts_find_srvc_cb_by_attr_id(p_cb, p_msg->api_indicate.attr_id);
381
382  if (p_srvc_cb) {
383    if (GATT_GetConnectionInfor(p_msg->api_indicate.hdr.layer_specific,
384                                &gatt_if, remote_bda, &transport)) {
385      p_rcb = bta_gatts_find_app_rcb_by_app_if(gatt_if);
386
387      if (p_msg->api_indicate.need_confirm)
388
389        status = GATTS_HandleValueIndication(
390            p_msg->api_indicate.hdr.layer_specific, p_msg->api_indicate.attr_id,
391            p_msg->api_indicate.len, p_msg->api_indicate.value);
392      else
393        status = GATTS_HandleValueNotification(
394            p_msg->api_indicate.hdr.layer_specific, p_msg->api_indicate.attr_id,
395            p_msg->api_indicate.len, p_msg->api_indicate.value);
396
397      /* if over BR_EDR, inform PM for mode change */
398      if (transport == BTA_TRANSPORT_BR_EDR) {
399        bta_sys_busy(BTA_ID_GATTS, BTA_ALL_APP_ID, remote_bda);
400        bta_sys_idle(BTA_ID_GATTS, BTA_ALL_APP_ID, remote_bda);
401      }
402    } else {
403      APPL_TRACE_ERROR("Unknown connection ID: %d fail sending notification",
404                       p_msg->api_indicate.hdr.layer_specific);
405    }
406
407    if ((status != GATT_SUCCESS || !p_msg->api_indicate.need_confirm) &&
408        p_rcb && p_cb->rcb[p_srvc_cb->rcb_idx].p_cback) {
409      cb_data.req_data.status = status;
410      cb_data.req_data.conn_id = p_msg->api_indicate.hdr.layer_specific;
411
412      (*p_rcb->p_cback)(BTA_GATTS_CONF_EVT, &cb_data);
413    }
414  } else {
415    APPL_TRACE_ERROR("Not an registered servce attribute ID: 0x%04x",
416                     p_msg->api_indicate.attr_id);
417  }
418}
419
420/*******************************************************************************
421 *
422 * Function         bta_gatts_open
423 *
424 * Description
425 *
426 * Returns          none.
427 *
428 ******************************************************************************/
429void bta_gatts_open(UNUSED_ATTR tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg) {
430  tBTA_GATTS_RCB* p_rcb = NULL;
431  tBTA_GATT_STATUS status = BTA_GATT_ERROR;
432  uint16_t conn_id;
433
434  p_rcb = bta_gatts_find_app_rcb_by_app_if(p_msg->api_open.server_if);
435  if (p_rcb != NULL) {
436    /* should always get the connection ID */
437    if (GATT_Connect(p_rcb->gatt_if, p_msg->api_open.remote_bda,
438                     p_msg->api_open.is_direct, p_msg->api_open.transport,
439                     false)) {
440      status = BTA_GATT_OK;
441
442      if (GATT_GetConnIdIfConnected(p_rcb->gatt_if, p_msg->api_open.remote_bda,
443                                    &conn_id, p_msg->api_open.transport)) {
444        status = BTA_GATT_ALREADY_OPEN;
445      }
446    }
447  } else {
448    APPL_TRACE_ERROR("Inavlide server_if=%d", p_msg->api_open.server_if);
449  }
450
451  if (p_rcb && p_rcb->p_cback)
452    (*p_rcb->p_cback)(BTA_GATTS_OPEN_EVT, (tBTA_GATTS*)&status);
453}
454/*******************************************************************************
455 *
456 * Function         bta_gatts_cancel_open
457 *
458 * Description
459 *
460 * Returns          none.
461 *
462 ******************************************************************************/
463void bta_gatts_cancel_open(UNUSED_ATTR tBTA_GATTS_CB* p_cb,
464                           tBTA_GATTS_DATA* p_msg) {
465  tBTA_GATTS_RCB* p_rcb;
466  tBTA_GATT_STATUS status = BTA_GATT_ERROR;
467
468  p_rcb = bta_gatts_find_app_rcb_by_app_if(p_msg->api_cancel_open.server_if);
469  if (p_rcb != NULL) {
470    if (!GATT_CancelConnect(p_rcb->gatt_if, p_msg->api_cancel_open.remote_bda,
471                            p_msg->api_cancel_open.is_direct)) {
472      APPL_TRACE_ERROR("bta_gatts_cancel_open failed for open request");
473    } else {
474      status = BTA_GATT_OK;
475    }
476  } else {
477    APPL_TRACE_ERROR("Inavlide server_if=%d", p_msg->api_cancel_open.server_if);
478  }
479
480  if (p_rcb && p_rcb->p_cback)
481    (*p_rcb->p_cback)(BTA_GATTS_CANCEL_OPEN_EVT, (tBTA_GATTS*)&status);
482}
483/*******************************************************************************
484 *
485 * Function         bta_gatts_close
486 *
487 * Description
488 *
489 * Returns          none.
490 *
491 ******************************************************************************/
492void bta_gatts_close(UNUSED_ATTR tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg) {
493  tBTA_GATTS_RCB* p_rcb;
494  tBTA_GATT_STATUS status = BTA_GATT_ERROR;
495  tGATT_IF gatt_if;
496  BD_ADDR remote_bda;
497  tBTA_GATT_TRANSPORT transport;
498
499  if (GATT_GetConnectionInfor(p_msg->hdr.layer_specific, &gatt_if, remote_bda,
500                              &transport)) {
501    if (GATT_Disconnect(p_msg->hdr.layer_specific) != GATT_SUCCESS) {
502      APPL_TRACE_ERROR("bta_gatts_close fail conn_id=%d",
503                       p_msg->hdr.layer_specific);
504    } else {
505      status = BTA_GATT_OK;
506    }
507
508    p_rcb = bta_gatts_find_app_rcb_by_app_if(gatt_if);
509
510    if (p_rcb && p_rcb->p_cback) {
511      if (transport == BTA_TRANSPORT_BR_EDR)
512        bta_sys_conn_close(BTA_ID_GATTS, BTA_ALL_APP_ID, remote_bda);
513
514      (*p_rcb->p_cback)(BTA_GATTS_CLOSE_EVT, (tBTA_GATTS*)&status);
515    }
516  } else {
517    APPL_TRACE_ERROR("Unknown connection ID: %d", p_msg->hdr.layer_specific);
518  }
519}
520
521/*******************************************************************************
522 *
523 * Function         bta_gatts_request_cback
524 *
525 * Description      GATTS attribute request callback.
526 *
527 * Returns          none.
528 *
529 ******************************************************************************/
530static void bta_gatts_send_request_cback(uint16_t conn_id, uint32_t trans_id,
531                                         tGATTS_REQ_TYPE req_type,
532                                         tGATTS_DATA* p_data) {
533  tBTA_GATTS cb_data;
534  tBTA_GATTS_RCB* p_rcb;
535  tGATT_IF gatt_if;
536  tBTA_GATT_TRANSPORT transport;
537
538  memset(&cb_data, 0, sizeof(tBTA_GATTS));
539
540  if (GATT_GetConnectionInfor(conn_id, &gatt_if, cb_data.req_data.remote_bda,
541                              &transport)) {
542    p_rcb = bta_gatts_find_app_rcb_by_app_if(gatt_if);
543
544    APPL_TRACE_DEBUG("%s: conn_id=%d trans_id=%d req_type=%d", __func__,
545                     conn_id, trans_id, req_type);
546
547    if (p_rcb && p_rcb->p_cback) {
548      /* if over BR_EDR, inform PM for mode change */
549      if (transport == BTA_TRANSPORT_BR_EDR) {
550        bta_sys_busy(BTA_ID_GATTS, BTA_ALL_APP_ID, cb_data.req_data.remote_bda);
551        bta_sys_idle(BTA_ID_GATTS, BTA_ALL_APP_ID, cb_data.req_data.remote_bda);
552      }
553
554      cb_data.req_data.conn_id = conn_id;
555      cb_data.req_data.trans_id = trans_id;
556      cb_data.req_data.p_data = (tBTA_GATTS_REQ_DATA*)p_data;
557
558      (*p_rcb->p_cback)(req_type, &cb_data);
559    } else {
560      APPL_TRACE_ERROR("connection request on gatt_if[%d] is not interested",
561                       gatt_if);
562    }
563  } else {
564    APPL_TRACE_ERROR("request received on unknown connectino ID: %d", conn_id);
565  }
566}
567
568/*******************************************************************************
569 *
570 * Function         bta_gatts_conn_cback
571 *
572 * Description      connection callback.
573 *
574 * Returns          none.
575 *
576 ******************************************************************************/
577static void bta_gatts_conn_cback(tGATT_IF gatt_if, BD_ADDR bda,
578                                 uint16_t conn_id, bool connected,
579                                 tGATT_DISCONN_REASON reason,
580                                 tGATT_TRANSPORT transport) {
581  tBTA_GATTS cb_data;
582  uint8_t evt = connected ? BTA_GATTS_CONNECT_EVT : BTA_GATTS_DISCONNECT_EVT;
583  tBTA_GATTS_RCB* p_reg;
584
585  APPL_TRACE_DEBUG(
586      "bta_gatts_conn_cback gatt_if=%d conn_id=%d connected=%d reason = 0x%04d",
587      gatt_if, conn_id, connected, reason);
588  APPL_TRACE_DEBUG("bta_gatts_conn_cback  bda :%02x-%02x-%02x-%02x-%02x-%02x ",
589                   bda[0], bda[1], bda[2], bda[3], bda[4], bda[5]);
590
591  bt_bdaddr_t bdaddr;
592  bdcpy(bdaddr.address, bda);
593  if (connected)
594    btif_debug_conn_state(bdaddr, BTIF_DEBUG_CONNECTED, GATT_CONN_UNKNOWN);
595  else
596    btif_debug_conn_state(bdaddr, BTIF_DEBUG_DISCONNECTED, reason);
597
598  p_reg = bta_gatts_find_app_rcb_by_app_if(gatt_if);
599
600  if (p_reg && p_reg->p_cback) {
601    /* there is no RM for GATT */
602    if (transport == BTA_TRANSPORT_BR_EDR) {
603      if (connected)
604        bta_sys_conn_open(BTA_ID_GATTS, BTA_ALL_APP_ID, bda);
605      else
606        bta_sys_conn_close(BTA_ID_GATTS, BTA_ALL_APP_ID, bda);
607    }
608
609    cb_data.conn.conn_id = conn_id;
610    cb_data.conn.server_if = gatt_if;
611    cb_data.conn.reason = reason;
612    cb_data.conn.transport = transport;
613    memcpy(cb_data.conn.remote_bda, bda, BD_ADDR_LEN);
614    (*p_reg->p_cback)(evt, &cb_data);
615  } else {
616    APPL_TRACE_ERROR("bta_gatts_conn_cback server_if=%d not found", gatt_if);
617  }
618}
619
620static void bta_gatts_phy_update_cback(tGATT_IF gatt_if, uint16_t conn_id,
621                                       uint8_t tx_phy, uint8_t rx_phy,
622                                       uint8_t status) {
623  tBTA_GATTS_RCB* p_reg = bta_gatts_find_app_rcb_by_app_if(gatt_if);
624  if (!p_reg || !p_reg->p_cback) {
625    APPL_TRACE_ERROR("%s: server_if=%d not found", __func__, gatt_if);
626    return;
627  }
628
629  tBTA_GATTS cb_data;
630  cb_data.phy_update.conn_id = conn_id;
631  cb_data.phy_update.server_if = gatt_if;
632  cb_data.phy_update.tx_phy = tx_phy;
633  cb_data.phy_update.rx_phy = rx_phy;
634  cb_data.phy_update.status = status;
635  (*p_reg->p_cback)(BTA_GATTS_PHY_UPDATE_EVT, &cb_data);
636}
637
638static void bta_gatts_conn_update_cback(tGATT_IF gatt_if, uint16_t conn_id,
639                                        uint16_t interval, uint16_t latency,
640                                        uint16_t timeout, uint8_t status) {
641  tBTA_GATTS_RCB* p_reg = bta_gatts_find_app_rcb_by_app_if(gatt_if);
642  if (!p_reg || !p_reg->p_cback) {
643    APPL_TRACE_ERROR("%s: server_if=%d not found", __func__, gatt_if);
644    return;
645  }
646
647  tBTA_GATTS cb_data;
648  cb_data.conn_update.conn_id = conn_id;
649  cb_data.conn_update.server_if = gatt_if;
650  cb_data.conn_update.interval = interval;
651  cb_data.conn_update.latency = latency;
652  cb_data.conn_update.timeout = timeout;
653  cb_data.conn_update.status = status;
654  (*p_reg->p_cback)(BTA_GATTS_CONN_UPDATE_EVT, &cb_data);
655}
656
657/*******************************************************************************
658 *
659 * Function         bta_gatts_cong_cback
660 *
661 * Description      congestion callback.
662 *
663 * Returns          none.
664 *
665 ******************************************************************************/
666static void bta_gatts_cong_cback(uint16_t conn_id, bool congested) {
667  tBTA_GATTS_RCB* p_rcb;
668  tGATT_IF gatt_if;
669  tBTA_GATT_TRANSPORT transport;
670  tBTA_GATTS cb_data;
671
672  if (GATT_GetConnectionInfor(conn_id, &gatt_if, cb_data.req_data.remote_bda,
673                              &transport)) {
674    p_rcb = bta_gatts_find_app_rcb_by_app_if(gatt_if);
675
676    if (p_rcb && p_rcb->p_cback) {
677      cb_data.congest.conn_id = conn_id;
678      cb_data.congest.congested = congested;
679
680      (*p_rcb->p_cback)(BTA_GATTS_CONGEST_EVT, &cb_data);
681    }
682  }
683}
684