115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/*
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* Copyright (c) 2008 INRIA
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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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#ifndef SIMPLE_CHANNEL_H
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#define SIMPLE_CHANNEL_H
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#include "mac48-address.h"
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#include "ns3/channel.h"
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#include "ns3/nstime.h"
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#include <map>
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#include <vector>
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namespace ns3
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{
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class SimpleNetDevice;
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class Packet;
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/**
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* \ingroup channel
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* \brief A simple channel, for simple things and testing.
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*
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* This channel doesn't check for packet collisions and it
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* does not introduce any error.
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* By default, it does not add any delay to the packets.
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* Furthermore, it assumes that the associated NetDevices
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* are using 48-bit MAC addresses.
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*
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* This channel is meant to be used by ns3::SimpleNetDevices.
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*/
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class SimpleChannel : public Channel
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{
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public:
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/**
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* \brief Get the type ID.
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* \return the object TypeId
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*/
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static TypeId GetTypeId();
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SimpleChannel();
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/**
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* A packet is sent by a net device. A receive event will be
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* scheduled for all net device connected to the channel other
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* than the net device who sent the packet
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*
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* \param p packet to be sent
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* \param protocol protocol number
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* \param to address to send packet to
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* \param from address the packet is coming from
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* \param sender netdevice who sent the packet
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*
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*/
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virtual void Send(Ptr<Packet> p,
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uint16_t protocol,
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Mac48Address to,
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Mac48Address from,
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Ptr<SimpleNetDevice> sender);
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/**
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* Attached a net device to the channel.
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*
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* \param device the device to attach to the channel
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*/
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virtual void Add(Ptr<SimpleNetDevice> device);
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/**
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* Blocks the communications from a NetDevice to another NetDevice.
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* The block is unidirectional
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*
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* \param from the device to BlackList
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* \param to the device wanting to block the other one
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*/
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virtual void BlackList(Ptr<SimpleNetDevice> from, Ptr<SimpleNetDevice> to);
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/**
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* Un-Blocks the communications from a NetDevice to another NetDevice.
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* The block is unidirectional
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*
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* \param from the device to BlackList
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* \param to the device wanting to block the other one
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*/
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virtual void UnBlackList(Ptr<SimpleNetDevice> from, Ptr<SimpleNetDevice> to);
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// inherited from ns3::Channel
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std::size_t GetNDevices() const override;
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Ptr<NetDevice> GetDevice(std::size_t i) const override;
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private:
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Time m_delay; //!< The assigned speed-of-light delay of the channel
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std::vector<Ptr<SimpleNetDevice>> m_devices; //!< devices connected by the channel
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std::map<Ptr<SimpleNetDevice>, std::vector<Ptr<SimpleNetDevice>>>
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m_blackListedDevices; //!< devices blocked on a device
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};
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} // namespace ns3
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#endif /* SIMPLE_CHANNEL_H */
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