esp-idf/examples/09_a2dp/components/bluedroid_demos/btif/btif_sdp.c

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/******************************************************************************
*
* Copyright (C) 2014 Samsung System LSI
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/************************************************************************************
*
* Filename: btif_sdp.c
* Description: SDP Bluetooth Interface.
* Implements the generic message handling and search functionality.
* References btif_sdp_server.c for SDP record creation.
*
***********************************************************************************/
#include "btif_sdp.h"
#include <stdlib.h>
#include <string.h>
#define LOG_TAG "BTIF_SDP"
#include "btif_common.h"
#include "btif_util.h"
#include "bta_api.h"
#include "esp_sdp_api.h"
/*****************************************************************************
** Functions implemented in sdp_server.c
******************************************************************************/
bt_status_t sdp_server_init();
void sdp_server_cleanup();
void on_create_record_event(int handle);
void on_remove_record_event(int handle);
// Utility functions:
int get_sdp_records_size(bluetooth_sdp_record* in_record, int count);
void copy_sdp_records(bluetooth_sdp_record* in_records,
bluetooth_sdp_record* out_records, int count);
/*****************************************************************************
** Static variables
******************************************************************************/
static btsdp_callbacks_t *bt_sdp_callbacks = NULL;
static void btif_sdp_search_comp_evt(UINT16 event, char *p_param)
{
bt_sdp_search_comp_t *evt_data = (bt_sdp_search_comp_t *) p_param;
bt_bdaddr_t addr;
BTIF_TRACE_DEBUG("%s: event = %d\n", __FUNCTION__, event);
if (event != BT_SDP_SEARCH_COMP_EVT)
return;
bdcpy(addr.address, evt_data->remote_addr);
HAL_CBACK(bt_sdp_callbacks, sdp_search_cb, evt_data->status,
&addr, (uint8_t*)(evt_data->uuid.uu.uuid128),
evt_data->record_count, evt_data->records);
}
static void sdp_search_comp_copy_cb(UINT16 event, char *p_dest, char *p_src)
{
bt_sdp_search_comp_t *p_dest_data = (bt_sdp_search_comp_t *) p_dest;
bt_sdp_search_comp_t *p_src_data = (bt_sdp_search_comp_t *) p_src;
if (!p_src)
return;
if (event != BT_SDP_SEARCH_COMP_EVT)
return;
memcpy(p_dest_data, p_src_data, sizeof(bt_sdp_search_comp_t));
copy_sdp_records(p_src_data->records, p_dest_data->records, p_src_data->record_count);
}
static void sdp_dm_cback(bt_sdp_evt_t event, bt_sdp_t *p_data, void * user_data)
{
switch (event)
{
case BT_SDP_SEARCH_COMP_EVT:
{
int size = sizeof(bt_sdp_t);
size += get_sdp_records_size(p_data->sdp_search_comp.records,
p_data->sdp_search_comp.record_count);
BTIF_TRACE_DEBUG("%s: stat %d, record_cnt = %d\n", __FUNCTION__, p_data->sdp_search_comp.status, p_data->sdp_search_comp.record_count);
/* need to deep copy the record content */
btif_transfer_context(btif_sdp_search_comp_evt, event,
(char*)p_data, size, sdp_search_comp_copy_cb);
break;
}
case BT_SDP_CREATE_RECORD_USER_EVT:
{
on_create_record_event((int)user_data);
break;
}
case BT_SDP_REMOVE_RECORD_USER_EVT:
{
on_remove_record_event((int)user_data);
break;
}
default:
break;
}
}
bt_status_t BTIF_SdpInit(btsdp_callbacks_t *callbacks)
{
BTIF_TRACE_DEBUG("Sdp Search %s\n", __FUNCTION__);
bt_sdp_callbacks = callbacks;
sdp_server_init();
btif_enable_service(BTA_SDP_SERVICE_ID);
return BT_STATUS_SUCCESS;
}
bt_status_t BTIF_SdpDeinit(void)
{
BTIF_TRACE_DEBUG("Sdp Search %s\n", __FUNCTION__);
bt_sdp_callbacks = NULL;
sdp_server_cleanup();
btif_disable_service(BTA_SDP_SERVICE_ID);
return BT_STATUS_SUCCESS;
}
bt_status_t BTIF_SdpSearch(bt_bdaddr_t *bd_addr, const uint8_t* uuid)
{
esp_bt_uuid_t sdp_uuid;
sdp_uuid.len = 16;
memcpy(sdp_uuid.uu.uuid128, uuid, sizeof(sdp_uuid.uu.uuid128));
esp_bt_sdp_search(bd_addr->address, &sdp_uuid);
return BT_STATUS_SUCCESS;
}
/*******************************************************************************
**
** Function btif_sdp_execute_service
**
** Description Initializes/Shuts down the service
**
** Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise
**
*******************************************************************************/
bt_status_t btif_sdp_execute_service(BOOLEAN b_enable)
{
BTIF_TRACE_DEBUG("%s enable:%d\n", __FUNCTION__, b_enable);
if (b_enable) {
esp_bt_sdp_enable(sdp_dm_cback);
} else {
/* This is called on BT disable so no need to extra cleanup */
}
return BT_STATUS_SUCCESS;
}