180 lines
3.5 KiB
C++
180 lines
3.5 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005,2006,2007 INRIA
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#include "ipv4-interface.h"
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#include "ns3/ipv4-address.h"
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#include "ns3/net-device.h"
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#include "ns3/trace-resolver.h"
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#include "ns3/log.h"
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NS_LOG_COMPONENT_DEFINE ("Ipv4Interface");
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namespace ns3 {
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/**
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* By default, Ipv4 interface are created in the "down" state
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* with ip address 192.168.0.1 and a matching mask. Before
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* becoming useable, the user must invoke SetUp on them
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* once the final Ipv4 address and mask has been set.
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*/
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Ipv4Interface::Ipv4Interface (Ptr<NetDevice> nd)
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: m_netdevice (nd),
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m_ifup(false),
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m_metric(1)
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS (this << &nd);
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}
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Ipv4Interface::~Ipv4Interface ()
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{
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NS_LOG_FUNCTION;
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}
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void
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Ipv4Interface::DoDispose (void)
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{
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NS_LOG_FUNCTION;
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m_netdevice = 0;
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Object::DoDispose ();
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}
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Ptr<NetDevice>
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Ipv4Interface::GetDevice (void) const
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{
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NS_LOG_FUNCTION;
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return m_netdevice;
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}
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void
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Ipv4Interface::SetAddress (Ipv4Address a)
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS (this << a);
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m_address = a;
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}
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void
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Ipv4Interface::SetNetworkMask (Ipv4Mask mask)
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS (this << mask);
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m_netmask = mask;
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}
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Ipv4Address
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Ipv4Interface::GetBroadcast (void) const
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{
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NS_LOG_FUNCTION;
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uint32_t mask = m_netmask.GetHostOrder ();
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uint32_t address = m_address.GetHostOrder ();
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Ipv4Address broadcast = Ipv4Address (address | (~mask));
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return broadcast;
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}
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Ipv4Mask
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Ipv4Interface::GetNetworkMask (void) const
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{
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NS_LOG_FUNCTION;
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return m_netmask;
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}
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void
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Ipv4Interface::SetMetric (uint16_t metric)
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{
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NS_LOG_FUNCTION;
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NS_LOG_PARAMS ("(" << metric << ")");
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m_metric = metric;
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}
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uint16_t
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Ipv4Interface::GetMetric (void) const
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{
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NS_LOG_FUNCTION;
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return m_metric;
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}
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Ipv4Address
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Ipv4Interface::GetAddress (void) const
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{
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NS_LOG_FUNCTION;
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return m_address;
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}
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uint16_t
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Ipv4Interface::GetMtu (void) const
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{
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NS_LOG_FUNCTION;
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if (m_netdevice == 0)
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{
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uint32_t mtu = (1<<16) - 1;
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return mtu;
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}
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return m_netdevice->GetMtu ();
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}
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/**
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* These are IP interface states and may be distinct from
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* NetDevice states, such as found in real implementations
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* (where the device may be down but IP interface state is still up).
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*/
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bool
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Ipv4Interface::IsUp (void) const
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{
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NS_LOG_FUNCTION;
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return m_ifup;
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}
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bool
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Ipv4Interface::IsDown (void) const
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{
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NS_LOG_FUNCTION;
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return !m_ifup;
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}
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void
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Ipv4Interface::SetUp (void)
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{
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NS_LOG_FUNCTION;
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m_ifup = true;
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}
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void
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Ipv4Interface::SetDown (void)
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{
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NS_LOG_FUNCTION;
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m_ifup = false;
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}
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// public wrapper on private virtual function
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void
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Ipv4Interface::Send(Packet p, Ipv4Address dest)
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{
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NS_LOG_FUNCTION;
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if (IsUp()) {
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NS_LOG_LOGIC ("SendTo");
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SendTo(p, dest);
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}
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}
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}; // namespace ns3
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