bta_gatts_co.cc revision 84baa7f16e830394408278dbb8c508dd9fa02887 
1/******************************************************************************
2 *
3 *  Copyright (C) 2009-2013 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#include "bta_api.h"
20
21#if (BTA_GATT_INCLUDED == TRUE)
22
23#include <stdlib.h>
24#include <string.h>
25#include "bt_common.h"
26#include "bta_gatts_co.h"
27#include "btif_util.h"
28#include "osi/include/osi.h"
29
30/*****************************************************************************
31 *  Local type definitions
32 ****************************************************************************/
33
34#define BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE 50
35
36typedef struct {
37  bool enable;
38  uint8_t num_clients;
39  tBTA_GATTS_SRV_CHG srv_chg[BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE];
40} __attribute__((packed)) btif_gatts_srv_chg_cb_t;
41
42/*****************************************************************************
43 *  Static variables
44 ****************************************************************************/
45
46static btif_gatts_srv_chg_cb_t btif_gatts_srv_chg_cb;
47
48/*****************************************************************************
49 *  Static functions
50 ****************************************************************************/
51
52static void btif_gatts_check_init(void) {
53  btif_gatts_srv_chg_cb_t* p_cb = &btif_gatts_srv_chg_cb;
54
55  if (!p_cb->enable) {
56    memset(p_cb, 0, sizeof(btif_gatts_srv_chg_cb_t));
57    p_cb->enable = true;
58  }
59}
60
61/*****************************************************************************
62 *  Externally called functions
63 ****************************************************************************/
64
65void btif_gatts_add_bonded_dev_from_nv(BD_ADDR bda) {
66  btif_gatts_srv_chg_cb_t* p_cb = &btif_gatts_srv_chg_cb;
67  bool found = false;
68  uint8_t i;
69
70  btif_gatts_check_init();
71
72  for (i = 0; i != p_cb->num_clients; ++i) {
73    if (!memcmp(p_cb->srv_chg[i].bda, bda, sizeof(BD_ADDR))) {
74      found = true;
75      break;
76    }
77  }
78
79  if (!found) {
80    if (p_cb->num_clients < BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE) {
81      bdcpy(p_cb->srv_chg[p_cb->num_clients].bda, bda);
82      p_cb->srv_chg[p_cb->num_clients].srv_changed = false;
83      p_cb->num_clients++;
84    }
85  }
86}
87
88/*****************************************************************************
89 *  Call-out functions
90 ****************************************************************************/
91
92/*******************************************************************************
93 *
94 * Function         bta_gatts_co_update_handle_range
95 *
96 * Description      This callout function is executed by GATTS when a GATT
97 *                  server handle range ios to be added or removed.
98 *
99 * Parameter        is_add: true is to add a handle range; otherwise is to
100 *                          delete.
101 *                  p_hndl_range: handle range.
102 *
103 * Returns          void.
104 *
105 ******************************************************************************/
106void bta_gatts_co_update_handle_range(UNUSED_ATTR bool is_add,
107                                      UNUSED_ATTR tBTA_GATTS_HNDL_RANGE *p_hndl_range) {
108}
109
110/*******************************************************************************
111 *
112 * Function         bta_gatts_co_srv_chg
113 *
114 * Description      This call-out is to read/write/remove service change related
115 *                  informaiton. The request consists of the cmd and p_req and
116 *                  the response is returned in p_rsp
117 *
118 * Parameter        cmd - request command
119 *                  p_req - request paramters
120 *                  p_rsp - response data for the request
121 *
122 * Returns          true - if the request is processed successfully and
123 *                         the response is returned in p_rsp.
124 *                  false - if the request can not be processed
125 *
126 ******************************************************************************/
127bool bta_gatts_co_srv_chg(UNUSED_ATTR tBTA_GATTS_SRV_CHG_CMD cmd,
128                          UNUSED_ATTR tBTA_GATTS_SRV_CHG_REQ *p_req,
129                          UNUSED_ATTR tBTA_GATTS_SRV_CHG_RSP *p_rsp) {
130  return false;
131}
132
133/*******************************************************************************
134 *
135 * Function         bta_gatts_co_load_handle_range
136 *
137 * Description      This callout function is executed by GATTS when a GATT
138 *                  server handle range is requested to be loaded from NV.
139 *
140 * Parameter
141 *
142 * Returns          void.
143 *
144 ******************************************************************************/
145bool bta_gatts_co_load_handle_range(UNUSED_ATTR uint8_t index,
146                                    UNUSED_ATTR tBTA_GATTS_HNDL_RANGE *p_handle_range) {
147  return false;
148}
149
150#endif  // BTA_GATT_INCLUDED == TRUE
151