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unison/src/node/channel.h
2009-04-16 11:10:17 +02:00

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* 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
*/
#ifndef NS3_CHANNEL_H
#define NS3_CHANNEL_H
#include <string>
#include <stdint.h>
#include "ns3/object.h"
#include "ns3/ptr.h"
namespace ns3 {
class NetDevice;
/**
* \ingroup node
* \defgroup channel Channel
*/
/**
* \ingroup channel
* \brief Abstract Channel Base Class.
*
* A channel is a logical path over which information flows. The path can
* be as simple as a short piece of wire, or as complicated as space-time.
*/
class Channel : public Object
{
public:
static TypeId GetTypeId (void);
Channel ();
virtual ~Channel ();
/**
* \returns the number of NetDevices connected to this Channel.
*
* This method must be implemented by subclasses.
*/
virtual uint32_t GetNDevices (void) const = 0;
/**
* \param i index of NetDevice to retrieve
* \returns one of the NetDevices connected to this channel.
*
* This method must be implemented by subclasses.
*/
virtual Ptr<NetDevice> GetDevice (uint32_t i) const = 0;
};
} // namespace ns3
#endif /* NS3_CHANNEL_H */