bta/gatt/bta_gatts_int.h

   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 <cstdint>
  28
  29 #include "bt_target.h"  // Must be first to define build configuration
  30
  31 #include "bta/include/bta_gatt_api.h"
  32 #include "bta/sys/bta_sys.h"
  33 #include "stack/include/bt_types.h"
  34 #include "stack/include/btm_ble_api_types.h"
  35 #include "stack/include/gatt_api.h"
  36
  37 /*****************************************************************************
  38  *  Constants and data types
  39  ****************************************************************************/
  40 enum {
  41   BTA_GATTS_API_REG_EVT = BTA_SYS_EVT_START(BTA_ID_GATTS),
  42   BTA_GATTS_INT_START_IF_EVT,
  43   BTA_GATTS_API_DEREG_EVT,
  44   BTA_GATTS_API_INDICATION_EVT,
  45
  46   BTA_GATTS_API_DEL_SRVC_EVT,
  47   BTA_GATTS_API_STOP_SRVC_EVT,
  48   BTA_GATTS_API_RSP_EVT,
  49   BTA_GATTS_API_OPEN_EVT,
  50   BTA_GATTS_API_CANCEL_OPEN_EVT,
  51   BTA_GATTS_API_CLOSE_EVT,
  52   BTA_GATTS_API_DISABLE_EVT
  53 };
  54 typedef uint16_t tBTA_GATTS_INT_EVT;
  55
  56 /* max number of application allowed on device */
  57 #define BTA_GATTS_MAX_APP_NUM GATT_MAX_SR_PROFILES
  58
  59 /* max number of services allowed in the device */
  60 #define BTA_GATTS_MAX_SRVC_NUM GATT_MAX_SR_PROFILES
  61
  62 /* internal strucutre for GATTC register API  */
  63 typedef struct {
  64   BT_HDR hdr;
  65   bluetooth::Uuid app_uuid;
  66   tBTA_GATTS_CBACK* p_cback;
  67   bool eatt_support;
  68 } tBTA_GATTS_API_REG;
  69
  70 typedef struct {
  71   BT_HDR hdr;
  72   tGATT_IF server_if;
  73 } tBTA_GATTS_INT_START_IF;
  74
  75 typedef tBTA_GATTS_INT_START_IF tBTA_GATTS_API_DEREG;
  76
  77 typedef struct {
  78   BT_HDR hdr;
  79   tGATT_IF server_if;
  80   btgatt_db_element_t* service;
  81   uint16_t count;
  82 } tBTA_GATTS_API_ADD_SERVICE;
  83
  84 typedef struct {
  85   BT_HDR hdr;
  86   uint16_t attr_id;
  87   uint16_t len;
  88   bool need_confirm;
  89   uint8_t value[GATT_MAX_ATTR_LEN];
  90 } tBTA_GATTS_API_INDICATION;
  91
  92 typedef struct {
  93   BT_HDR hdr;
  94   uint32_t trans_id;
  95   tGATT_STATUS status;
  96   tGATTS_RSP* p_rsp;
  97 } tBTA_GATTS_API_RSP;
  98
  99 typedef struct {
 100   BT_HDR hdr;
 101   tBT_TRANSPORT transport;
 102 } tBTA_GATTS_API_START;
 103
 104 typedef struct {
 105   BT_HDR hdr;
 106   RawAddress remote_bda;
 107   tGATT_IF server_if;
 108   bool is_direct;
 109   tBT_TRANSPORT transport;
 110
 111 } tBTA_GATTS_API_OPEN;
 112
 113 typedef tBTA_GATTS_API_OPEN tBTA_GATTS_API_CANCEL_OPEN;
 114
 115 typedef union {
 116   BT_HDR hdr;
 117   tBTA_GATTS_API_REG api_reg;
 118   tBTA_GATTS_API_DEREG api_dereg;
 119   tBTA_GATTS_API_ADD_SERVICE api_add_service;
 120   tBTA_GATTS_API_INDICATION api_indicate;
 121   tBTA_GATTS_API_RSP api_rsp;
 122   tBTA_GATTS_API_OPEN api_open;
 123   tBTA_GATTS_API_CANCEL_OPEN api_cancel_open;
 124
 125   tBTA_GATTS_INT_START_IF int_start_if;
 126 } tBTA_GATTS_DATA;
 127
 128 /* application registration control block */
 129 typedef struct {
 130   bool in_use;
 131   bluetooth::Uuid app_uuid;
 132   tBTA_GATTS_CBACK* p_cback;
 133   tGATT_IF gatt_if;
 134 } tBTA_GATTS_RCB;
 135
 136 /* service registration control block */
 137 typedef struct {
 138   bluetooth::Uuid service_uuid; /* service UUID */
 139   uint16_t service_id;   /* service start handle */
 140   uint8_t rcb_idx;
 141   uint8_t idx; /* self index of serviec CB */
 142   bool in_use;
 143 } tBTA_GATTS_SRVC_CB;
 144
 145 /* GATT server control block */
 146 typedef struct {
 147   bool enabled;
 148   tBTA_GATTS_RCB rcb[BTA_GATTS_MAX_APP_NUM];
 149   tBTA_GATTS_SRVC_CB srvc_cb[BTA_GATTS_MAX_SRVC_NUM];
 150 } tBTA_GATTS_CB;
 151
 152 /*****************************************************************************
 153  *  Global data
 154  ****************************************************************************/
 155
 156 /* GATTC control block */
 157 extern tBTA_GATTS_CB bta_gatts_cb;
 158
 159 /*****************************************************************************
 160  *  Function prototypes
 161  ****************************************************************************/
 162 extern bool bta_gatts_hdl_event(BT_HDR* p_msg);
 163
 164 extern void bta_gatts_api_disable(tBTA_GATTS_CB* p_cb);
 165 extern void bta_gatts_api_enable(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_data);
 166 extern void bta_gatts_register(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
 167 extern void bta_gatts_start_if(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
 168 extern void bta_gatts_deregister(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
 169 extern void bta_gatts_delete_service(tBTA_GATTS_SRVC_CB* p_srvc_cb,
 170                                      tBTA_GATTS_DATA* p_msg);
 171 extern void bta_gatts_stop_service(tBTA_GATTS_SRVC_CB* p_srvc_cb,
 172                                    tBTA_GATTS_DATA* p_msg);
 173
 174 extern void bta_gatts_send_rsp(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
 175 extern void bta_gatts_indicate_handle(tBTA_GATTS_CB* p_cb,
 176                                       tBTA_GATTS_DATA* p_msg);
 177
 178 extern void bta_gatts_open(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
 179 extern void bta_gatts_cancel_open(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
 180 extern void bta_gatts_close(tBTA_GATTS_CB* p_cb, tBTA_GATTS_DATA* p_msg);
 181
 182 extern tBTA_GATTS_RCB* bta_gatts_find_app_rcb_by_app_if(tGATT_IF server_if);
 183 extern uint8_t bta_gatts_find_app_rcb_idx_by_app_if(tBTA_GATTS_CB* p_cb,
 184                                                     tGATT_IF server_if);
 185 extern uint8_t bta_gatts_alloc_srvc_cb(tBTA_GATTS_CB* p_cb, uint8_t rcb_idx);
 186 extern tBTA_GATTS_SRVC_CB* bta_gatts_find_srvc_cb_by_srvc_id(
 187     tBTA_GATTS_CB* p_cb, uint16_t service_id);
 188 extern tBTA_GATTS_SRVC_CB* bta_gatts_find_srvc_cb_by_attr_id(
 189     tBTA_GATTS_CB* p_cb, uint16_t attr_id);
 190
 191 #endif /* BTA_GATTS_INT_H */