/*
 *  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.
 */

/**
 * @file
 *   This file implements the Announce Begin Server.
 */

#include "announce_begin_server.hpp"

#include "instance/instance.hpp"

namespace ot {

RegisterLogModule("MeshCoP");

AnnounceBeginServer::AnnounceBeginServer(Instance &aInstance)
    : AnnounceSenderBase(aInstance, AnnounceBeginServer::HandleTimer)
{
}

void AnnounceBeginServer::SendAnnounce(uint32_t aChannelMask, uint8_t aCount, uint16_t aPeriod)
{
    SetChannelMask(Mac::ChannelMask(aChannelMask));
    SetPeriod(aPeriod);
    SetJitter(kDefaultJitter);
    AnnounceSenderBase::SendAnnounce(aCount);
}

template <> void AnnounceBeginServer::HandleTmf<kUriAnnounceBegin>(Coap::Msg &aMsg)
{
    Error    error;
    uint32_t mask;
    uint8_t  count;
    uint16_t period;

    VerifyOrExit(!IsRunning(), error = kErrorBusy);

    SuccessOrExit(error = MeshCoP::ChannelMaskTlv::FindIn(aMsg.mMessage, mask));

    SuccessOrExit(error = Tlv::Find<MeshCoP::CountTlv>(aMsg.mMessage, count));
    SuccessOrExit(error = Tlv::Find<MeshCoP::PeriodTlv>(aMsg.mMessage, period));

    SendAnnounce(mask, count, period);

exit:
    IgnoreError(Get<Tmf::Agent>().SendAckResponseIfUnicastRequest(aMsg, error));
}

void AnnounceBeginServer::HandleTimer(Timer &aTimer)
{
    aTimer.Get<AnnounceBeginServer>().AnnounceSenderBase::HandleTimer();
}

} // namespace ot
