224 lines
3.8 KiB
C++
224 lines
3.8 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005,2006 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 <iostream>
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#include "ns3/assert.h"
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#include "net-device.h"
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#include "l3-demux.h"
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#include "l3-protocol.h"
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#include "llc-snap-header.h"
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#include "node.h"
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namespace ns3 {
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NetDevice::NetDevice(Node *node, const MacAddress& addr) :
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m_node (node),
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m_name(""),
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m_ifIndex (0),
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m_address (addr),
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m_mtu (0xffff),
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m_isUp (false),
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m_isBroadcast (false),
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m_isMulticast (false),
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m_isPointToPoint (false)
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{}
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MacAddress
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NetDevice::GetAddress (void) const
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{
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return m_address;
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}
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bool
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NetDevice::SetMtu (const uint16_t mtu)
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{
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m_mtu = mtu;
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return true;
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}
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uint16_t
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NetDevice::GetMtu (void) const
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{
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return m_mtu;
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}
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void
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NetDevice::SetName(const std::string name)
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{
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m_name = name;
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}
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std::string
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NetDevice::GetName(void) const
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{
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return m_name;
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}
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bool
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NetDevice::IsLinkUp (void) const
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{
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return m_isUp;
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}
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void
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NetDevice::SetLinkChangeCallback (Callback<void> callback)
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{
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m_linkChangeCallback = callback;
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}
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bool
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NetDevice::IsBroadcast (void) const
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{
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return m_isBroadcast;
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}
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MacAddress const &
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NetDevice::GetBroadcast (void) const
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{
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NS_ASSERT (m_isBroadcast);
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return m_broadcast;
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}
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void
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NetDevice::EnableBroadcast (MacAddress broadcast)
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{
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m_isBroadcast = true;
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m_broadcast = broadcast;
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}
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void
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NetDevice::DisableBroadcast (void)
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{
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m_isBroadcast = false;
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}
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bool
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NetDevice::IsMulticast (void) const
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{
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return m_isMulticast;
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}
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void
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NetDevice::EnableMulticast (void)
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{
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m_isMulticast = true;
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}
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void
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NetDevice::DisableMulticast (void)
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{
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m_isMulticast = false;
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}
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bool
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NetDevice::IsPointToPoint (void) const
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{
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return m_isPointToPoint;
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}
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void
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NetDevice::EnablePointToPoint (void)
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{
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m_isPointToPoint = true;
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}
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void
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NetDevice::DisablePointToPoint (void)
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{
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m_isPointToPoint = false;
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}
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// Receive packet from above
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bool
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NetDevice::Send(Packet& p, const MacAddress& dest, uint16_t protocolNumber)
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{
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if (m_isUp)
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{
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LlcSnapHeader llc;
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llc.SetType (protocolNumber);
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p.Add (llc);
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return SendTo(p, dest);
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}
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else
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{
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return false;
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}
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}
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TraceResolver *
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NetDevice::CreateTraceResolver (TraceContext const &context)
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{
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return DoCreateTraceResolver (context);
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}
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Channel *
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NetDevice::GetChannel (void) const
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{
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return DoGetChannel ();
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}
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// Receive packet from below
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bool
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NetDevice::ForwardUp (Packet& packet)
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{
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LlcSnapHeader llc;
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packet.Peek (llc);
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packet.Remove (llc);
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if (GetNode()->GetL3Demux() != 0)
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{
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L3Protocol *target = GetNode()->GetL3Demux()->Lookup(llc.GetType ());
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if (target != 0)
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{
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target->Receive(packet, *this);
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return true;
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}
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}
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return false;
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}
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void
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NetDevice::NotifyLinkUp (void)
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{
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m_isUp = true;
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if (!m_linkChangeCallback.IsNull ())
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{
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m_linkChangeCallback ();
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}
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}
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void
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NetDevice::NotifyLinkDown (void)
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{
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m_isUp = false;
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if (!m_linkChangeCallback.IsNull ())
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{
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m_linkChangeCallback ();
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}
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}
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Node *
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NetDevice::GetNode (void) const
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{
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return m_node;
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}
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}; // namespace ns3
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