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      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