lms/heci/MNGCommand.cpp

/*******************************************************************************
 * Copyright (C) 2004-2008 Intel Corp. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  - Neither the name of Intel Corp. nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL Intel Corp. OR THE CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 *******************************************************************************/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <cstdio>
#include <cstdlib>

#ifdef __sun
#include <stdio.h>
#include <stdlib.h>
#endif  // __sun

#include "MNGCommand.h"

MNGCommand::MNGCommand(bool verbose) :
MNGClient(WD_GUID, verbose)
{
    _verbose = verbose;
}

MNGCommand::~MNGCommand(void)
{
}

HECI_STATUS MNGCommand::_call(const unsigned char *command, UINT32 command_size, UINT8 **readBuffer, UINT32 *outBuffSize)
{
    UINT32 inBuffSize;
    *outBuffSize = 0;

    inBuffSize = MNGClient.GetBufferSize();
    if (NULL == *readBuffer)
    {
        *readBuffer = (UINT8 *)malloc(sizeof(UINT8) * inBuffSize);
        if (NULL == *readBuffer)
        {
            if (_verbose)
            {
                fprintf(stderr, "Error: Malloc failed\n");
            }
            return HECI_STATUS_MEMORY_ALLOCATION_ERROR;
        }
    }
    memset(*readBuffer, 0, inBuffSize);

    int bytesWritten = MNGClient.SendMessage(command, command_size);
    if ((UINT32)bytesWritten != command_size)
    {
        if (_verbose)
        {
            fprintf(stderr, "Error: Could not send data to MNG client through MEI\n");
        }
        return HECI_STATUS_MSG_TRANSMISSION_ERROR;
    }
    *outBuffSize = MNGClient.ReceiveMessage(*readBuffer, inBuffSize, 15000);
    if (0 == *outBuffSize)
    {
        if (_verbose)
        {
            fprintf(stderr, "Error: Could not read data from MNG client through MEI\n");
        }
        return HECI_STATUS_UNEXPECTED_RESPONSE;
    }
    if (_verbose)
    {
        fprintf(stdout, "Data received from MNG Client. %d bytes read\n", *outBuffSize);
    }
    return HECI_STATUS_OK;
}


/*
 * Get ME data information from MNG client
 */
HECI_STATUS
MNGCommand::GetMEInfo(MNG_GET_ME_INFORMATION_RESPONSE &infoMsg)
{
    UINT8 *readBuffer = NULL;
    UINT32 command_size = sizeof(MNG_GET_ME_INFO_HEADER);
    UINT32 replySize = 0;
    MNG_REQUEST msg = MNG_GET_ME_INFO_HEADER;
    HECI_STATUS status;

    status = _call((const unsigned char *)&msg, command_size,
            &readBuffer, &replySize);

    if (status != HECI_STATUS_OK)
    {
        goto mngend;
    }
    if (replySize != sizeof(MNG_GET_ME_INFORMATION_RESPONSE))
    {
        if (_verbose)
        {
            fprintf(stderr, "Error: Size of MEI response is not as expected\n");
        }
        status = HECI_STATUS_UNEXPECTED_RESPONSE;
        goto mngend;
    }
    if (((MNG_GET_ME_INFORMATION_RESPONSE *)readBuffer)->Version != MNG_GET_ME_INFO_Version)
    {
        if (_verbose)
        {
            fprintf(stderr, "Error: MEI response size is not as expected\n");
        }
        status = HECI_STATUS_UNEXPECTED_RESPONSE;
        goto mngend;
    }
    memcpy(&infoMsg, readBuffer, sizeof(MNG_GET_ME_INFORMATION_RESPONSE));

mngend:

    if (readBuffer != NULL)
    {
        free(readBuffer);
    }

    return status;
}