/*

 *  Copyright (c) 2016, The OpenThread Authors.

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 *  1. Redistributions of source code must retain the above copyright

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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

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 */

/**

 * @file

 *   This file implements the Announce Begin Server.

 */

#include "announce_begin_server.hpp"

#include <openthread/platform/radio.h>

#include "coap/coap_message.hpp"

#include "common/as_core_type.hpp"

#include "common/code_utils.hpp"

#include "common/debug.hpp"

#include "common/instance.hpp"

#include "common/locator_getters.hpp"

#include "common/log.hpp"

#include "meshcop/meshcop_tlvs.hpp"

#include "thread/thread_netif.hpp"

#include "thread/uri_paths.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::Message &aMessage, const Ip6::MessageInfo &aMessageInfo)

{

    uint32_t         mask;

    uint8_t          count;

    uint16_t         period;

    Ip6::MessageInfo responseInfo(aMessageInfo);

    VerifyOrExit(aMessage.IsPostRequest());

    VerifyOrExit((mask = MeshCoP::ChannelMaskTlv::GetChannelMask(aMessage)) != 0);

    SuccessOrExit(Tlv::Find<MeshCoP::CountTlv>(aMessage, count));

    SuccessOrExit(Tlv::Find<MeshCoP::PeriodTlv>(aMessage, period));

    SendAnnounce(mask, count, period);

    if (aMessage.IsConfirmable() && !aMessageInfo.GetSockAddr().IsMulticast())

    {

        SuccessOrExit(Get<Tmf::Agent>().SendEmptyAck(aMessage, responseInfo));

        LogInfo("Sent announce begin response");

    }

exit:

    return;

}

void AnnounceBeginServer::HandleTimer(Timer &aTimer)

{

    aTimer.Get<AnnounceBeginServer>().AnnounceSenderBase::HandleTimer();

}

} // namespace ot