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      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( defined BLE_INCLUDED ) && (BLE_INCLUDED == TRUE)
     22 #if( defined BTA_GATT_INCLUDED ) && (BTA_GATT_INCLUDED == TRUE)
     23 
     24 #include <stdlib.h>
     25 #include "gki.h"
     26 #include "bd.h"
     27 #include "bta_gatts_co.h"
     28 #include "btif_util.h"
     29 
     30 /*****************************************************************************
     31 **  Local type definitions
     32 *****************************************************************************/
     33 
     34 #define BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE 50
     35 
     36 typedef struct
     37 {
     38     BOOLEAN             enable;
     39     UINT8               num_clients;
     40     tBTA_GATTS_SRV_CHG  srv_chg[BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE];
     41 } __attribute__((packed)) btif_gatts_srv_chg_cb_t;
     42 
     43 /*****************************************************************************
     44 **  Static variables
     45 *****************************************************************************/
     46 
     47 static btif_gatts_srv_chg_cb_t btif_gatts_srv_chg_cb;
     48 
     49 /*****************************************************************************
     50 **  Static functions
     51 *****************************************************************************/
     52 
     53 static void btif_gatts_check_init(void)
     54 {
     55     btif_gatts_srv_chg_cb_t *p_cb= &btif_gatts_srv_chg_cb;
     56 
     57     if (!p_cb->enable)
     58     {
     59        memset(p_cb, 0, sizeof(btif_gatts_srv_chg_cb_t));
     60        p_cb->enable = TRUE;
     61     }
     62 }
     63 
     64 /*****************************************************************************
     65 **  Externally called functions
     66 *****************************************************************************/
     67 
     68 void btif_gatts_add_bonded_dev_from_nv(BD_ADDR bda)
     69 {
     70     btif_gatts_srv_chg_cb_t *p_cb= &btif_gatts_srv_chg_cb;
     71     BOOLEAN                 found = FALSE;
     72     UINT8                   i;
     73 
     74     btif_gatts_check_init();
     75 
     76     for (i=0; i != p_cb->num_clients; ++i)
     77     {
     78         if (!memcmp(p_cb->srv_chg[i].bda,  bda, sizeof(BD_ADDR)))
     79         {
     80             found = TRUE;
     81             break;
     82         }
     83     }
     84 
     85     if (!found)
     86     {
     87         if (p_cb->num_clients < BTIF_GATTS_MAX_SRV_CHG_CLT_SIZE)
     88         {
     89             bdcpy(p_cb->srv_chg[p_cb->num_clients].bda, bda);
     90             p_cb->srv_chg[p_cb->num_clients].srv_changed = FALSE;
     91             p_cb->num_clients++;
     92         }
     93     }
     94 }
     95 
     96 /*****************************************************************************
     97 **  Call-out functions
     98 *****************************************************************************/
     99 
    100 /*******************************************************************************
    101 **
    102 ** Function         bta_gatts_co_update_handle_range
    103 **
    104 ** Description      This callout function is executed by GATTS when a GATT server
    105 **                  handle range ios to be added or removed.
    106 **
    107 ** Parameter        is_add: true is to add a handle range; otherwise is to delete.
    108 **                  p_hndl_range: handle range.
    109 **
    110 ** Returns          void.
    111 **
    112 *******************************************************************************/
    113 void bta_gatts_co_update_handle_range(BOOLEAN is_add, tBTA_GATTS_HNDL_RANGE *p_hndl_range)
    114 {
    115     UNUSED(is_add);
    116     UNUSED(p_hndl_range);
    117 }
    118 
    119 /*******************************************************************************
    120 **
    121 ** Function         bta_gatts_co_srv_chg
    122 **
    123 ** Description      This call-out is to read/write/remove service change related
    124 **                  informaiton. The request consists of the cmd and p_req and the
    125 **                  response is returned in p_rsp
    126 **
    127 ** Parameter        cmd - request command
    128 **                  p_req - request paramters
    129 **                  p_rsp - response data for the request
    130 **
    131 ** Returns          TRUE - if the request is processed successfully and
    132 **                         the response is returned in p_rsp.
    133 **                  FASLE - if the request can not be processed
    134 **
    135 *******************************************************************************/
    136 BOOLEAN bta_gatts_co_srv_chg(tBTA_GATTS_SRV_CHG_CMD cmd,
    137                              tBTA_GATTS_SRV_CHG_REQ *p_req,
    138                              tBTA_GATTS_SRV_CHG_RSP *p_rsp)
    139 {
    140     UNUSED(cmd);
    141     UNUSED(p_req);
    142     UNUSED(p_rsp);
    143 
    144     return FALSE;
    145 }
    146 
    147 /*******************************************************************************
    148 **
    149 ** Function         bta_gatts_co_load_handle_range
    150 **
    151 ** Description      This callout function is executed by GATTS when a GATT server
    152 **                  handle range is requested to be loaded from NV.
    153 **
    154 ** Parameter
    155 **
    156 ** Returns          void.
    157 **
    158 *******************************************************************************/
    159 BOOLEAN bta_gatts_co_load_handle_range(UINT8 index,
    160                                        tBTA_GATTS_HNDL_RANGE *p_handle_range)
    161 {
    162     UNUSED(index);
    163     UNUSED(p_handle_range);
    164 
    165     return FALSE;
    166 }
    167 #endif
    168 #endif
    169