src/core/meshcop/timestamp.cpp

/*
 *  Copyright (c) 2016, The OpenThread Authors.
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 *  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
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 */

/**
 * @file
 *   This file implements common MeshCoP timestamp processing.
 */

#include <openthread/config.h>

#include "timestamp.hpp"

#include "utils/wrap_string.h"

#include <openthread/types.h>

namespace ot {
namespace MeshCoP {

int Timestamp::Compare(const Timestamp &aCompare) const
{
    uint64_t thisSeconds = GetSeconds();
    uint64_t compareSeconds = aCompare.GetSeconds();
    uint16_t thisTicks = GetTicks();
    uint16_t compareTicks = aCompare.GetTicks();
    int rval;

    if (compareSeconds > thisSeconds)
    {
        rval = 1;
    }
    else if (compareSeconds < thisSeconds)
    {
        rval = -1;
    }
    else if (compareTicks > thisTicks)
    {
        rval = 1;
    }
    else if (compareTicks < thisTicks)
    {
        rval = -1;
    }
    else
    {
        rval = 0;
    }

    return rval;
}

}  // namespace MeshCoP
}  // namespace ot