1 /******************************************************************************
2  *
3  *  Copyright 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 is the private file for the BTA GATT server.
22  *
23  ******************************************************************************/
24 #ifndef BTA_GATTS_INT_H
25 #define BTA_GATTS_INT_H
26 
27 #include "bt_target.h"
28 #include "bta_gatt_api.h"
29 #include "bta_sys.h"
30 #include "gatt_api.h"
31 
32 #include <base/strings/stringprintf.h>
33 #include "bt_common.h"
34 
35 /*****************************************************************************
36  *  Constants and data types
37  ****************************************************************************/
38 enum {
39   BTA_GATTS_API_REG_EVT = BTA_SYS_EVT_START(BTA_ID_GATTS),
40   BTA_GATTS_INT_START_IF_EVT,
41   BTA_GATTS_API_DEREG_EVT,
42   BTA_GATTS_API_INDICATION_EVT,
43 
44   BTA_GATTS_API_DEL_SRVC_EVT,
45   BTA_GATTS_API_STOP_SRVC_EVT,
46   BTA_GATTS_API_RSP_EVT,
47   BTA_GATTS_API_OPEN_EVT,
48   BTA_GATTS_API_CANCEL_OPEN_EVT,
49   BTA_GATTS_API_CLOSE_EVT,
50   BTA_GATTS_API_DISABLE_EVT
51 };
52 typedef uint16_t tBTA_GATTS_INT_EVT;
53 
54 /* max number of application allowed on device */
55 #define BTA_GATTS_MAX_APP_NUM GATT_MAX_SR_PROFILES
56 
57 /* max number of services allowed in the device */
58 #define BTA_GATTS_MAX_SRVC_NUM GATT_MAX_SR_PROFILES
59 
60 /* internal strucutre for GATTC register API  */
61 typedef struct {
62   BT_HDR hdr;
63   bluetooth::Uuid app_uuid;
64   tBTA_GATTS_CBACK* p_cback;
65 } tBTA_GATTS_API_REG;
66 
67 typedef struct {
68   BT_HDR hdr;
69   tGATT_IF server_if;
70 } tBTA_GATTS_INT_START_IF;
71 
72 typedef tBTA_GATTS_INT_START_IF tBTA_GATTS_API_DEREG;
73 
74 typedef struct {
75   BT_HDR hdr;
76   tGATT_IF server_if;
77   btgatt_db_element_t* service;
78   uint16_t count;
79 } tBTA_GATTS_API_ADD_SERVICE;
80 
81 typedef struct {
82   BT_HDR hdr;
83   uint16_t attr_id;
84   uint16_t len;
85   bool need_confirm;
86   uint8_t value[GATT_MAX_ATTR_LEN];
87 } tBTA_GATTS_API_INDICATION;
88 
89 typedef struct {
90   BT_HDR hdr;
91   uint32_t trans_id;
92   tGATT_STATUS status;
93   tGATTS_RSP* p_rsp;
94 } tBTA_GATTS_API_RSP;
95 
96 typedef struct {
97   BT_HDR hdr;
98   tGATT_TRANSPORT transport;
99 } tBTA_GATTS_API_START;
100 
101 typedef struct {
102   BT_HDR hdr;
103   RawAddress remote_bda;
104   tGATT_IF server_if;
105   bool is_direct;
106   tGATT_TRANSPORT transport;
107 
108 } tBTA_GATTS_API_OPEN;
109 
110 typedef tBTA_GATTS_API_OPEN tBTA_GATTS_API_CANCEL_OPEN;
111 
112 typedef union {
113   BT_HDR hdr;
114   tBTA_GATTS_API_REG api_reg;
115   tBTA_GATTS_API_DEREG api_dereg;
116   tBTA_GATTS_API_ADD_SERVICE api_add_service;
117   tBTA_GATTS_API_INDICATION api_indicate;
118   tBTA_GATTS_API_RSP api_rsp;
119   tBTA_GATTS_API_OPEN api_open;
120   tBTA_GATTS_API_CANCEL_OPEN api_cancel_open;
121 
122   tBTA_GATTS_INT_START_IF int_start_if;
123 } tBTA_GATTS_DATA;
124 
125 /* application registration control block */
126 typedef struct {
127   bool in_use;
128   bluetooth::Uuid app_uuid;
129   tBTA_GATTS_CBACK* p_cback;
130   tGATT_IF gatt_if;
131 } tBTA_GATTS_RCB;
132 
133 /* service registration control block */
134 typedef struct {
135   bluetooth::Uuid service_uuid; /* service UUID */
136   uint16_t service_id;   /* service start handle */
137   uint8_t rcb_idx;
138   uint8_t idx; /* self index of serviec CB */
139   bool in_use;
140 } tBTA_GATTS_SRVC_CB;
141 
142 /* GATT server control block */
143 typedef struct {
144   bool enabled;
145   tBTA_GATTS_RCB rcb[BTA_GATTS_MAX_APP_NUM];
146   tBTA_GATTS_SRVC_CB srvc_cb[BTA_GATTS_MAX_SRVC_NUM];
147 } tBTA_GATTS_CB;
148 
149 /*****************************************************************************
150  *  Global data
151  ****************************************************************************/
152 
153 /* GATTC control block */
154 extern tBTA_GATTS_CB bta_gatts_cb;
155 
156 /*****************************************************************************
157  *  Function prototypes
158  ****************************************************************************/
159 extern bool bta_gatts_hdl_event(BT_HDR* p_msg);
160 
161 extern void bta_gatts_api_disable(tBTA_GATTS_CB* p_cb);
162 extern void bta_gatts_api_enable(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_data);
163 extern void bta_gatts_register(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
164 extern void bta_gatts_start_if(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
165 extern void bta_gatts_deregister(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
166 extern void bta_gatts_delete_service(tBTA_GATTS_SRVC_CB* p_srvc_cb,
167                                      tBTA_GATTS_DATA* p_msg);
168 extern void bta_gatts_stop_service(tBTA_GATTS_SRVC_CB* p_srvc_cb,
169                                    tBTA_GATTS_DATA* p_msg);
170 
171 extern void bta_gatts_send_rsp(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
172 extern void bta_gatts_indicate_handle(tBTA_GATTS_CB* p_cb,
173                                       tBTA_GATTS_DATA* p_msg);
174 
175 extern void bta_gatts_open(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
176 extern void bta_gatts_cancel_open(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
177 extern void bta_gatts_close(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
178 
179 extern tBTA_GATTS_RCB* bta_gatts_find_app_rcb_by_app_if(tGATT_IF server_if);
180 extern uint8_t bta_gatts_find_app_rcb_idx_by_app_if(tBTA_GATTS_CB* p_cb,
181                                                     tGATT_IF server_if);
182 extern uint8_t bta_gatts_alloc_srvc_cb(tBTA_GATTS_CB* p_cb, uint8_t rcb_idx);
183 extern tBTA_GATTS_SRVC_CB* bta_gatts_find_srvc_cb_by_srvc_id(
184     tBTA_GATTS_CB* p_cb, uint16_t service_id);
185 extern tBTA_GATTS_SRVC_CB* bta_gatts_find_srvc_cb_by_attr_id(
186     tBTA_GATTS_CB* p_cb, uint16_t attr_id);
187 
188 #endif /* BTA_GATTS_INT_H */
189