/*
 *  Copyright (c) 2016-2024, 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.
 */

/**
 * @file
 *   This file implements IEEE 802.15.4 header IE generation and parsing.
 */

#include "mac_header_ie.hpp"

namespace ot {
namespace Mac {

void HeaderIe::Init(uint16_t aId, uint8_t aLen)
{
    Init();
    SetId(aId);
    SetLength(aLen);
}

#if OPENTHREAD_CONFIG_WAKEUP_COORDINATOR_ENABLE || OPENTHREAD_CONFIG_WAKEUP_END_DEVICE_ENABLE
Error ConnectionIe::SetWakeupId(WakeupId aWakeupId)
{
    Error           error          = kErrorNone;
    const HeaderIe *headerIe       = GetHeaderIe();
    uint8_t         wakeupIdLength = GetWakeupIdLength(aWakeupId);

    VerifyOrExit(headerIe->GetLength() > sizeof(ConnectionIe), error = kErrorParse);
    VerifyOrExit(headerIe->GetLength() - sizeof(ConnectionIe) == wakeupIdLength, error = kErrorParse);
    aWakeupId = LittleEndian::HostSwap64(aWakeupId);
    memcpy(GetWakeupIdData(), reinterpret_cast<uint8_t *>(&aWakeupId), wakeupIdLength);

exit:
    return error;
}

Error ConnectionIe::GetWakeupId(WakeupId &aWakeupId) const
{
    Error           error    = kErrorNone;
    const HeaderIe *headerIe = GetHeaderIe();
    uint8_t         wakeupIdLength;

    VerifyOrExit(headerIe->GetLength() > sizeof(ConnectionIe), error = kErrorParse);

    wakeupIdLength = headerIe->GetLength() - sizeof(ConnectionIe);
    VerifyOrExit(wakeupIdLength <= sizeof(WakeupId), error = kErrorParse);

    aWakeupId = 0;
    memcpy(reinterpret_cast<uint8_t *>(&aWakeupId), GetWakeupIdData(), wakeupIdLength);
    aWakeupId = LittleEndian::HostSwap64(aWakeupId);

exit:
    return error;
}
#endif // OPENTHREAD_CONFIG_WAKEUP_COORDINATOR_ENABLE || OPENTHREAD_CONFIG_WAKEUP_END_DEVICE_ENABLE

} // namespace Mac
} // namespace ot
