bta/mce/bta_mce_api.c

/******************************************************************************
 *
 *  Copyright (C) 2014 The Android Open Source Project
 *  Copyright (C) 2003-2012 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.
 *
 ******************************************************************************/

/******************************************************************************
 *
 *  This is the implementation of the API for MCE subsystem
 *
 ******************************************************************************/

#include "bta_api.h"
#include "bd.h"
#include "bta_sys.h"
#include "bta_mce_api.h"
#include "bta_mce_int.h"
#include "gki.h"
#include <string.h>
#include "port_api.h"
#include "sdp_api.h"

/*****************************************************************************
**  Constants
*****************************************************************************/

static const tBTA_SYS_REG bta_mce_reg =
{
    bta_mce_sm_execute,
    NULL
};

/*******************************************************************************
**
** Function         BTA_MceEnable
**
** Description      Enable the MCE I/F service. When the enable
**                  operation is complete the callback function will be
**                  called with a BTA_MCE_ENABLE_EVT. This function must
**                  be called before other functions in the MCE API are
**                  called.
**
** Returns          BTA_MCE_SUCCESS if successful.
**                  BTA_MCE_FAIL if internal failure.
**
*******************************************************************************/
tBTA_MCE_STATUS BTA_MceEnable(tBTA_MCE_DM_CBACK *p_cback)
{
    tBTA_MCE_STATUS status = BTA_MCE_FAILURE;
    tBTA_MCE_API_ENABLE  *p_buf;

    APPL_TRACE_API(__FUNCTION__);
    if(p_cback && FALSE == bta_sys_is_register(BTA_ID_MCE))
    {
        memset(&bta_mce_cb, 0, sizeof(tBTA_MCE_CB));

        /* register with BTA system manager */
        bta_sys_register(BTA_ID_MCE, &bta_mce_reg);

        if (p_cback && (p_buf = (tBTA_MCE_API_ENABLE *) GKI_getbuf(sizeof(tBTA_MCE_API_ENABLE))) != NULL)
        {
            p_buf->hdr.event = BTA_MCE_API_ENABLE_EVT;
            p_buf->p_cback = p_cback;
            bta_sys_sendmsg(p_buf);
            status = BTA_MCE_SUCCESS;
        }
    }
    return(status);
}

/*******************************************************************************
**
** Function         BTA_MceGetRemoteMasInstances
**
** Description      This function performs service discovery for the MAS service
**                  by the given peer device. When the operation is completed
**                  the tBTA_MCE_DM_CBACK callback function will be  called with
**                  a BTA_MCE_MAS_DISCOVERY_COMP_EVT.
**
** Returns          BTA_MCE_SUCCESS, if the request is being processed.
**                  BTA_MCE_FAILURE, otherwise.
**
*******************************************************************************/
tBTA_MCE_STATUS BTA_MceGetRemoteMasInstances(BD_ADDR bd_addr)
{
    tBTA_MCE_STATUS ret = BTA_MCE_FAILURE;
    tBTA_MCE_API_GET_REMOTE_MAS_INSTANCES *p_msg;

    APPL_TRACE_API(__FUNCTION__);
    if ((p_msg = (tBTA_MCE_API_GET_REMOTE_MAS_INSTANCES *)GKI_getbuf(sizeof(tBTA_MCE_API_GET_REMOTE_MAS_INSTANCES))) != NULL)
    {
        p_msg->hdr.event = BTA_MCE_API_GET_REMOTE_MAS_INSTANCES_EVT;
        bdcpy(p_msg->bd_addr, bd_addr);
        bta_sys_sendmsg(p_msg);
        ret = BTA_MCE_SUCCESS;
    }

    return(ret);
}