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unison/src/internet/test/error-channel.h
2011-07-08 21:09:22 +02:00

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 Universita' di Firenze, Italy
*
* 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: Tommaso Pecorella <tommaso.pecorella@unifi.it>
*/
#ifndef ERROR_CHANNEL_H
#define ERROR_CHANNEL_H
#include "ns3/channel.h"
#include "ns3/error-model.h"
#include "ns3/mac48-address.h"
#include "ns3/nstime.h"
#include <vector>
namespace ns3 {
class ErrorNetDevice;
class Packet;
/**
* \ingroup channel
* \brief A Error channel, introducing deterministic delays on even/odd packets. Used for testing
*/
class ErrorChannel : public Channel
{
public:
static TypeId GetTypeId (void);
ErrorChannel ();
void Send (Ptr<Packet> p, uint16_t protocol, Mac48Address to, Mac48Address from,
Ptr<ErrorNetDevice> sender);
void Add (Ptr<ErrorNetDevice> device);
// inherited from ns3::Channel
virtual uint32_t GetNDevices (void) const;
virtual Ptr<NetDevice> GetDevice (uint32_t i) const;
/**
* \brief Set the delay for the odd packets (even ones are not delayed)
* \param delay Delay for the odd packets.
*/
void SetJumpingTime(Time delay);
/**
* \brief Set if the odd packets are delayed (even ones are not delayed ever)
* \param mode true if the odd packets should be delayed.
*/
void SetJumpingMode(bool mode);
private:
std::vector<Ptr<ErrorNetDevice> > m_devices;
Time jumpingTime;
uint8_t jumpingState;
bool jumping;
};
class BinaryErrorModel : public ErrorModel
{
public:
static TypeId GetTypeId (void);
BinaryErrorModel ();
virtual ~BinaryErrorModel ();
void Reset (void);
private:
virtual bool DoCorrupt (Ptr<Packet> p);
virtual void DoReset (void);
uint8_t counter;
};
} // namespace ns3
#endif /* ERROR_CHANNEL_H */