bta_gatts_co.cc revision f45481678af0694902b5200ba69ced4cb61d73f0 
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 (BLE_INCLUDED == TRUE) && (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
29/*****************************************************************************
30 *  Local type definitions
31 ****************************************************************************/
32
33#define BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE 50
34
35typedef struct {
36  bool enable;
37  uint8_t num_clients;
38  tBTA_GATTS_SRV_CHG srv_chg[BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE];
39} __attribute__((packed)) btif_gatts_srv_chg_cb_t;
40
41/*****************************************************************************
42 *  Static variables
43 ****************************************************************************/
44
45static btif_gatts_srv_chg_cb_t btif_gatts_srv_chg_cb;
46
47/*****************************************************************************
48 *  Static functions
49 ****************************************************************************/
50
51static void btif_gatts_check_init(void) {
52  btif_gatts_srv_chg_cb_t* p_cb = &btif_gatts_srv_chg_cb;
53
54  if (!p_cb->enable) {
55    memset(p_cb, 0, sizeof(btif_gatts_srv_chg_cb_t));
56    p_cb->enable = true;
57  }
58}
59
60/*****************************************************************************
61 *  Externally called functions
62 ****************************************************************************/
63
64void btif_gatts_add_bonded_dev_from_nv(BD_ADDR bda) {
65  btif_gatts_srv_chg_cb_t* p_cb = &btif_gatts_srv_chg_cb;
66  bool found = false;
67  uint8_t i;
68
69  btif_gatts_check_init();
70
71  for (i = 0; i != p_cb->num_clients; ++i) {
72    if (!memcmp(p_cb->srv_chg[i].bda, bda, sizeof(BD_ADDR))) {
73      found = true;
74      break;
75    }
76  }
77
78  if (!found) {
79    if (p_cb->num_clients < BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE) {
80      bdcpy(p_cb->srv_chg[p_cb->num_clients].bda, bda);
81      p_cb->srv_chg[p_cb->num_clients].srv_changed = false;
82      p_cb->num_clients++;
83    }
84  }
85}
86
87/*****************************************************************************
88 *  Call-out functions
89 ****************************************************************************/
90
91/*******************************************************************************
92 *
93 * Function         bta_gatts_co_update_handle_range
94 *
95 * Description      This callout function is executed by GATTS when a GATT
96 *                  server handle range ios to be added or removed.
97 *
98 * Parameter        is_add: true is to add a handle range; otherwise is to
99 *                          delete.
100 *                  p_hndl_range: handle range.
101 *
102 * Returns          void.
103 *
104 ******************************************************************************/
105void bta_gatts_co_update_handle_range(bool is_add,
106                                      tBTA_GATTS_HNDL_RANGE* p_hndl_range) {
107  UNUSED(is_add);
108  UNUSED(p_hndl_range);
109}
110
111/*******************************************************************************
112 *
113 * Function         bta_gatts_co_srv_chg
114 *
115 * Description      This call-out is to read/write/remove service change related
116 *                  informaiton. The request consists of the cmd and p_req and
117 *                  the response is returned in p_rsp
118 *
119 * Parameter        cmd - request command
120 *                  p_req - request paramters
121 *                  p_rsp - response data for the request
122 *
123 * Returns          true - if the request is processed successfully and
124 *                         the response is returned in p_rsp.
125 *                  false - if the request can not be processed
126 *
127 ******************************************************************************/
128bool bta_gatts_co_srv_chg(tBTA_GATTS_SRV_CHG_CMD cmd,
129                          tBTA_GATTS_SRV_CHG_REQ* p_req,
130                          tBTA_GATTS_SRV_CHG_RSP* p_rsp) {
131  UNUSED(cmd);
132  UNUSED(p_req);
133  UNUSED(p_rsp);
134
135  return false;
136}
137
138/*******************************************************************************
139 *
140 * Function         bta_gatts_co_load_handle_range
141 *
142 * Description      This callout function is executed by GATTS when a GATT
143 *                  server handle range is requested to be loaded from NV.
144 *
145 * Parameter
146 *
147 * Returns          void.
148 *
149 ******************************************************************************/
150bool bta_gatts_co_load_handle_range(uint8_t index,
151                                    tBTA_GATTS_HNDL_RANGE* p_handle_range) {
152  UNUSED(index);
153  UNUSED(p_handle_range);
154
155  return false;
156}
157
158#endif  // BLE_INCLUDED == TRUE && BTA_GATT_INCLUDED == TRUE
159