blob: d9326dbdb31e88b5423e6fe30fa8e51424f1d4cd [file] [log] [blame]
/******************************************************************************
*
* Copyright 2014 The Android Open Source Project
* Copyright 2009-2012 Broadcom Corporation
*
* 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_mce.c
*
* Description: Message Access Profile (MCE role) Bluetooth Interface
*
*
******************************************************************************/
#define LOG_TAG "bt_btif_mce"
#include <stdlib.h>
#include <string.h>
#include <hardware/bluetooth.h>
#include <hardware/bt_mce.h>
#include "bt_types.h"
#include "bta_api.h"
#include "bta_mce_api.h"
#include "btif_common.h"
#include "btif_util.h"
/*****************************************************************************
* Static variables
*****************************************************************************/
static btmce_callbacks_t* bt_mce_callbacks = NULL;
static void btif_mce_mas_discovery_comp_evt(uint16_t event, char* p_param) {
tBTA_MCE_MAS_DISCOVERY_COMP* evt_data = (tBTA_MCE_MAS_DISCOVERY_COMP*)p_param;
btmce_mas_instance_t insts[BTA_MCE_MAX_MAS_INSTANCES];
int i;
BTIF_TRACE_EVENT("%s: event = %d", __func__, event);
if (event != BTA_MCE_MAS_DISCOVERY_COMP_EVT) return;
for (i = 0; i < evt_data->num_mas; i++) {
insts[i].id = evt_data->mas[i].instance_id;
insts[i].scn = evt_data->mas[i].scn;
insts[i].msg_types = evt_data->mas[i].msg_type;
insts[i].p_name = evt_data->mas[i].p_srv_name;
}
RawAddress addr = evt_data->remote_addr;
HAL_CBACK(bt_mce_callbacks, remote_mas_instances_cb,
(bt_status_t)evt_data->status, &addr, evt_data->num_mas, insts);
}
static void mas_discovery_comp_copy_cb(uint16_t event, char* p_dest,
char* p_src) {
tBTA_MCE_MAS_DISCOVERY_COMP* p_dest_data =
(tBTA_MCE_MAS_DISCOVERY_COMP*)p_dest;
tBTA_MCE_MAS_DISCOVERY_COMP* p_src_data = (tBTA_MCE_MAS_DISCOVERY_COMP*)p_src;
char* p_dest_str;
int i;
if (!p_src) return;
if (event != BTA_MCE_MAS_DISCOVERY_COMP_EVT) return;
maybe_non_aligned_memcpy(p_dest_data, p_src_data, sizeof(*p_src_data));
p_dest_str = p_dest + sizeof(tBTA_MCE_MAS_DISCOVERY_COMP);
for (i = 0; i < p_src_data->num_mas; i++) {
p_dest_data->mas[i].p_srv_name = p_dest_str;
memcpy(p_dest_str, p_src_data->mas[i].p_srv_name,
p_src_data->mas[i].srv_name_len);
p_dest_str += p_src_data->mas[i].srv_name_len;
*(p_dest_str++) = '\0';
}
}
static void mce_dm_cback(tBTA_MCE_EVT event, tBTA_MCE* p_data,
void* user_data) {
switch (event) {
case BTA_MCE_MAS_DISCOVERY_COMP_EVT: {
int i;
uint16_t param_len = sizeof(tBTA_MCE);
/* include space for all p_srv_name copies including null-termination */
for (i = 0; i < p_data->mas_disc_comp.num_mas; i++)
param_len += (p_data->mas_disc_comp.mas[i].srv_name_len + 1);
/* need to deepy copy p_srv_name and null-terminate */
btif_transfer_context(btif_mce_mas_discovery_comp_evt, event,
(char*)p_data, param_len,
mas_discovery_comp_copy_cb);
break;
}
}
}
static bt_status_t init(btmce_callbacks_t* callbacks) {
BTIF_TRACE_EVENT("%s", __func__);
bt_mce_callbacks = callbacks;
btif_enable_service(BTA_MAP_SERVICE_ID);
return BT_STATUS_SUCCESS;
}
static bt_status_t get_remote_mas_instances(RawAddress* bd_addr) {
VLOG(2) << __func__ << ": remote_addr=" << bd_addr;
BTA_MceGetRemoteMasInstances(*bd_addr);
return BT_STATUS_SUCCESS;
}
static const btmce_interface_t mce_if = {
sizeof(btmce_interface_t), init, get_remote_mas_instances,
};
const btmce_interface_t* btif_mce_get_interface(void) {
BTIF_TRACE_EVENT("%s", __func__);
return &mce_if;
}
/*******************************************************************************
*
* Function btif_mce_execute_service
*
* Description Initializes/Shuts down the service
*
* Returns BT_STATUS_SUCCESS on success, BT_STATUS_FAIL otherwise
*
******************************************************************************/
bt_status_t btif_mce_execute_service(bool b_enable) {
BTIF_TRACE_EVENT("%s enable:%d", __func__, b_enable);
if (b_enable) {
BTA_MceEnable(mce_dm_cback);
} else {
/* This is called on BT disable so no need to extra cleanup */
}
return BT_STATUS_SUCCESS;
}