/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2005,2006,2007 INRIA
* All rights reserved.
*
* 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 "ipv4-interface.h"
#include "ns3/ipv4-address.h"
#include "ns3/net-device.h"
#include "ns3/log.h"
#include "ns3/packet.h"
NS_LOG_COMPONENT_DEFINE ("Ipv4Interface");
namespace ns3 {
/**
* By default, Ipv4 interface are created in the "down" state
* with ip address 192.168.0.1 and a matching mask. Before
* becoming useable, the user must invoke SetUp on them
* once the final Ipv4 address and mask has been set.
*/
Ipv4Interface::Ipv4Interface ()
: m_ifup(false),
m_metric(1)
{
NS_LOG_FUNCTION;
NS_LOG_PARAMS (this);
}
Ipv4Interface::~Ipv4Interface ()
{
NS_LOG_FUNCTION;
}
void
Ipv4Interface::DoDispose (void)
{
NS_LOG_FUNCTION;
Object::DoDispose ();
}
void
Ipv4Interface::SetAddress (Ipv4Address a)
{
NS_LOG_FUNCTION;
NS_LOG_PARAMS (this << a);
m_address = a;
}
void
Ipv4Interface::SetNetworkMask (Ipv4Mask mask)
{
NS_LOG_FUNCTION;
NS_LOG_PARAMS (this << mask);
m_netmask = mask;
}
Ipv4Address
Ipv4Interface::GetBroadcast (void) const
{
NS_LOG_FUNCTION;
uint32_t mask = m_netmask.GetHostOrder ();
uint32_t address = m_address.GetHostOrder ();
Ipv4Address broadcast = Ipv4Address (address | (~mask));
return broadcast;
}
Ipv4Mask
Ipv4Interface::GetNetworkMask (void) const
{
NS_LOG_FUNCTION;
return m_netmask;
}
void
Ipv4Interface::SetMetric (uint16_t metric)
{
NS_LOG_FUNCTION;
NS_LOG_PARAMS ("(" << metric << ")");
m_metric = metric;
}
uint16_t
Ipv4Interface::GetMetric (void) const
{
NS_LOG_FUNCTION;
return m_metric;
}
Ipv4Address
Ipv4Interface::GetAddress (void) const
{
NS_LOG_FUNCTION;
return m_address;
}
uint16_t
Ipv4Interface::GetMtu (void) const
{
NS_LOG_FUNCTION;
if (GetDevice () == 0)
{
uint32_t mtu = (1<<16) - 1;
return mtu;
}
return GetDevice ()->GetMtu ();
}
/**
* These are IP interface states and may be distinct from
* NetDevice states, such as found in real implementations
* (where the device may be down but IP interface state is still up).
*/
bool
Ipv4Interface::IsUp (void) const
{
NS_LOG_FUNCTION;
return m_ifup;
}
bool
Ipv4Interface::IsDown (void) const
{
NS_LOG_FUNCTION;
return !m_ifup;
}
void
Ipv4Interface::SetUp (void)
{
NS_LOG_FUNCTION;
m_ifup = true;
}
void
Ipv4Interface::SetDown (void)
{
NS_LOG_FUNCTION;
m_ifup = false;
}
// public wrapper on private virtual function
void
Ipv4Interface::Send(Ptr<Packet> p, Ipv4Address dest)
{
NS_LOG_FUNCTION;
if (IsUp()) {
NS_LOG_LOGIC ("SendTo");
SendTo(p, dest);
}
}
}; // namespace ns3