/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2006,2007 INRIA
*
* 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
*
* Author: Mathieu Lacage, <mathieu.lacage@sophia.inria.fr>
*/
#include "ns3/packet.h"
#include "ns3/simulator.h"
#include "ns3/mobility-model.h"
#include "ns3/net-device.h"
#include "ns3/node.h"
#include "ns3/log.h"
#include "ns3/pointer.h"
#include "ns3/object-factory.h"
#include "yans-wifi-channel.h"
#include "yans-wifi-phy.h"
#include "propagation-loss-model.h"
#include "propagation-delay-model.h"
NS_LOG_COMPONENT_DEFINE ("YansWifiChannel");
namespace ns3 {
TypeId
YansWifiChannel::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::YansWifiChannel")
.SetParent<WifiChannel> ()
.AddConstructor<YansWifiChannel> ()
.AddAttribute ("PropagationLossModel", "A pointer to the propagation loss model attached to this channel.",
PointerValue (),
MakePointerAccessor (&YansWifiChannel::m_loss),
MakePointerChecker<PropagationLossModel> ())
.AddAttribute ("PropagationDelayModel", "A pointer to the propagation delay model attached to this channel.",
PointerValue (),
MakePointerAccessor (&YansWifiChannel::m_delay),
MakePointerChecker<PropagationDelayModel> ())
;
return tid;
}
YansWifiChannel::YansWifiChannel ()
{}
YansWifiChannel::~YansWifiChannel ()
{
m_phyList.clear ();
}
void
YansWifiChannel::SetPropagationLossModel (Ptr<PropagationLossModel> loss)
{
m_loss = loss;
}
void
YansWifiChannel::SetPropagationDelayModel (Ptr<PropagationDelayModel> delay)
{
m_delay = delay;
}
void
YansWifiChannel::Send (Ptr<YansWifiPhy> sender, Ptr<const Packet> packet, double txPowerDbm,
WifiMode wifiMode, WifiPreamble preamble) const
{
Ptr<MobilityModel> senderMobility = sender->GetMobility ()->GetObject<MobilityModel> ();
NS_ASSERT (senderMobility != 0);
uint32_t j = 0;
for (PhyList::const_iterator i = m_phyList.begin (); i != m_phyList.end (); i++)
{
if (sender != (*i))
{
Ptr<MobilityModel> receiverMobility = (*i)->GetMobility ()->GetObject<MobilityModel> ();
Time delay = m_delay->GetDelay (senderMobility, receiverMobility);
double rxPowerDbm = txPowerDbm + m_loss->GetLoss (senderMobility, receiverMobility);
NS_LOG_DEBUG ("propagation: txPower="<<txPowerDbm<<"dbm, rxPower="<<rxPowerDbm<<"dbm, "<<
"distance="<<senderMobility->GetDistanceFrom (receiverMobility)<<"m, delay="<<delay);
Ptr<Packet> copy = packet->Copy ();
Simulator::Schedule (delay, &YansWifiChannel::Receive, this,
j, copy, rxPowerDbm, wifiMode, preamble);
}
j++;
}
}
void
YansWifiChannel::Receive (uint32_t i, Ptr<Packet> packet, double rxPowerDbm,
WifiMode txMode, WifiPreamble preamble) const
{
m_phyList[i]->StartReceivePacket (packet, rxPowerDbm, txMode, preamble);
}
uint32_t
YansWifiChannel::GetNDevices (void) const
{
return m_phyList.size ();
}
Ptr<NetDevice>
YansWifiChannel::GetDevice (uint32_t i) const
{
return m_phyList[i]->GetDevice ()->GetObject<NetDevice> ();
}
void
YansWifiChannel::Add (Ptr<YansWifiPhy> phy)
{
m_phyList.push_back (phy);
}
} // namespace ns3