spectrum-transmit-filter.cc

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/*
 * Copyright (c) 2022 University of Washington
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
 
#include "spectrum-transmit-filter.h"
 
#include "spectrum-phy.h"
#include "spectrum-signal-parameters.h"
 
#include <ns3/log.h>
 
namespace ns3
{
 
NS_LOG_COMPONENT_DEFINE("SpectrumTransmitFilter");
 
NS_OBJECT_ENSURE_REGISTERED(SpectrumTransmitFilter);
 
TypeId
SpectrumTransmitFilter::GetTypeId()
{
    static TypeId tid =
        TypeId("ns3::SpectrumTransmitFilter").SetParent<Object>().SetGroupName("Spectrum");
    return tid;
}
 
SpectrumTransmitFilter::SpectrumTransmitFilter()
{
    NS_LOG_FUNCTION(this);
}
 
void
SpectrumTransmitFilter::DoDispose()
{
    NS_LOG_FUNCTION(this);
    if (m_next)
    {
        m_next->Dispose();
    }
    m_next = nullptr;
    Object::DoDispose();
}
 
void
SpectrumTransmitFilter::SetNext(Ptr<SpectrumTransmitFilter> next)
{
    m_next = next;
}
 
Ptr<const SpectrumTransmitFilter>
SpectrumTransmitFilter::GetNext() const
{
    return m_next;
}
 
bool
SpectrumTransmitFilter::Filter(Ptr<const SpectrumSignalParameters> params,
                               Ptr<const SpectrumPhy> receiverPhy)
{
    NS_LOG_FUNCTION(this << params << receiverPhy);
    bool result = DoFilter(params, receiverPhy);
    if (result)
    {
        return true;
    }
    else if (m_next)
    {
        return m_next->Filter(params, receiverPhy);
    }
    else
    {
        return false;
    }
}
 
int64_t
SpectrumTransmitFilter::AssignStreams(int64_t stream)
{
    auto currentStream = stream;
    currentStream += DoAssignStreams(stream);
    if (m_next)
    {
        currentStream += m_next->AssignStreams(currentStream);
    }
    return (currentStream - stream);
}
 
} // namespace ns3