/*
 *  Copyright (c) 2016, The OpenThread Authors.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. 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.
 *  3. Neither the name of the copyright holder 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 THE COPYRIGHT HOLDER OR 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
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

#include "platform-posix.h"

#ifndef _WIN32
#include <unistd.h>
#endif

#include <openthread/types.h>
#include <openthread/platform/misc.h>

#ifndef _WIN32
extern int      gArgumentsCount;
extern char   **gArguments;
#endif

void otPlatReset(otInstance *aInstance)
{
#ifndef _WIN32
    char *argv[gArgumentsCount + 1];

    for (int i = 0; i < gArgumentsCount; ++i)
    {
        argv[i] = gArguments[i];
    }

    argv[gArgumentsCount] = NULL;

    platformRadioDeinit();
    platformUartRestore();

    execvp(argv[0], argv);
    perror("reset failed");
    exit(EXIT_FAILURE);
#else
    // This function does nothing on the Windows platform.
#endif // _WIN32
    (void)aInstance;
}

otPlatResetReason otPlatGetResetReason(otInstance *aInstance)
{
    (void)aInstance;
    return OT_PLAT_RESET_REASON_POWER_ON;
}

void otPlatWakeHost(void)
{
    // TODO: implement an operation to wake the host from sleep state.
}