A Discrete-Event Network Simulator
API
error-model.h
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50  * Contributed by the Daedalus Research Group, UC Berkeley
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53  * This code has been ported from ns-2 (queue/errmodel.{cc,h}
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55 
56 /* BurstErrorModel additions
57  *
58  * Author: Truc Anh N. Nguyen <annguyen@ittc.ku.edu>
59  * ResiliNets Research Group http://wiki.ittc.ku.edu/resilinets
60  * James P.G. Sterbenz <jpgs@ittc.ku.edu>, director
61  */
62 
63 #ifndef ERROR_MODEL_H
64 #define ERROR_MODEL_H
65 
66 #include <list>
67 #include "ns3/object.h"
68 #include "ns3/random-variable-stream.h"
69 
70 namespace ns3 {
71 
72 class Packet;
73 
115 class ErrorModel : public Object
116 {
117 public:
122  static TypeId GetTypeId (void);
123 
124  ErrorModel ();
125  virtual ~ErrorModel ();
126 
134  bool IsCorrupt (Ptr<Packet> pkt);
138  void Reset (void);
142  void Enable (void);
146  void Disable (void);
150  bool IsEnabled (void) const;
151 
152 private:
158  virtual bool DoCorrupt (Ptr<Packet> p) = 0;
162  virtual void DoReset (void) = 0;
163 
164  bool m_enable;
165 };
166 
183 {
184 public:
189  static TypeId GetTypeId (void);
190 
191  RateErrorModel ();
192  virtual ~RateErrorModel ();
193 
198  {
202  };
203 
207  RateErrorModel::ErrorUnit GetUnit (void) const;
211  void SetUnit (enum ErrorUnit error_unit);
212 
216  double GetRate (void) const;
220  void SetRate (double rate);
221 
226 
235  int64_t AssignStreams (int64_t stream);
236 
237 private:
238  virtual bool DoCorrupt (Ptr<Packet> p);
244  virtual bool DoCorruptPkt (Ptr<Packet> p);
250  virtual bool DoCorruptByte (Ptr<Packet> p);
256  virtual bool DoCorruptBit (Ptr<Packet> p);
257  virtual void DoReset (void);
258 
259  enum ErrorUnit m_unit;
260  double m_rate;
261 
263 };
264 
265 
299 {
300 public:
305  static TypeId GetTypeId (void);
306 
307  BurstErrorModel ();
308  virtual ~BurstErrorModel ();
309 
313  double GetBurstRate (void) const;
317  void SetBurstRate (double rate);
318 
323 
328 
337  int64_t AssignStreams (int64_t stream);
338 
339 private:
340  virtual bool DoCorrupt (Ptr<Packet> p);
341  virtual void DoReset (void);
342 
343  double m_burstRate;
346 
351  uint32_t m_counter;
352  uint32_t m_currentBurstSz;
353 
354 };
355 
356 
380 {
381 public:
386  static TypeId GetTypeId (void);
387  ListErrorModel ();
388  virtual ~ListErrorModel ();
389 
393  std::list<uint32_t> GetList (void) const;
399  void SetList (const std::list<uint32_t> &packetlist);
400 
401 private:
402  virtual bool DoCorrupt (Ptr<Packet> p);
403  virtual void DoReset (void);
404 
406  typedef std::list<uint32_t> PacketList;
408  typedef std::list<uint32_t>::const_iterator PacketListCI;
409 
411 
412 };
413 
427 {
428 public:
433  static TypeId GetTypeId (void);
435  virtual ~ReceiveListErrorModel ();
436 
440  std::list<uint32_t> GetList (void) const;
446  void SetList (const std::list<uint32_t> &packetlist);
447 
448 private:
449  virtual bool DoCorrupt (Ptr<Packet> p);
450  virtual void DoReset (void);
451 
453  typedef std::list<uint32_t> PacketList;
455  typedef std::list<uint32_t>::const_iterator PacketListCI;
456 
458  uint32_t m_timesInvoked;
459 
460 };
461 
466 {
467 public:
472  static TypeId GetTypeId (void);
473 
474  BinaryErrorModel ();
475  virtual ~BinaryErrorModel ();
476 
477 private:
478  virtual bool DoCorrupt (Ptr<Packet> p);
479  virtual void DoReset (void);
480 
481  uint8_t m_counter;
482 
483 };
484 
485 } // namespace ns3
486 #endif
The simplest error model, corrupts even packets and does not corrupt odd ones.
Definition: error-model.h:466
uint8_t m_counter
internal state counter.
Definition: error-model.h:481
static TypeId GetTypeId(void)
Get the type ID.
Definition: error-model.cc:556
virtual ~BinaryErrorModel()
Definition: error-model.cc:571
virtual void DoReset(void)
Re-initialize any state.
Definition: error-model.cc:590
virtual bool DoCorrupt(Ptr< Packet > p)
Corrupt a packet according to the specified model.
Definition: error-model.cc:577
Determine which bursts of packets are errored corresponding to an underlying distribution,...
Definition: error-model.h:299
Ptr< RandomVariableStream > m_burstStart
the error decision variable
Definition: error-model.h:344
void SetRandomVariable(Ptr< RandomVariableStream > ranVar)
Definition: error-model.cc:339
virtual void DoReset(void)
Re-initialize any state.
Definition: error-model.cc:405
virtual bool DoCorrupt(Ptr< Packet > p)
Corrupt a packet according to the specified model.
Definition: error-model.cc:362
static TypeId GetTypeId(void)
Get the type ID.
Definition: error-model.cc:291
Ptr< RandomVariableStream > m_burstSize
the number of packets being flagged as errored
Definition: error-model.h:345
virtual ~BurstErrorModel()
Definition: error-model.cc:319
uint32_t m_currentBurstSz
the current burst size
Definition: error-model.h:352
double m_burstRate
the burst error event
Definition: error-model.h:343
void SetBurstRate(double rate)
Definition: error-model.cc:332
uint32_t m_counter
keep track of the number of packets being errored until it reaches m_burstSize
Definition: error-model.h:351
double GetBurstRate(void) const
Definition: error-model.cc:325
int64_t AssignStreams(int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model.
Definition: error-model.cc:353
void SetRandomBurstSize(Ptr< RandomVariableStream > burstSz)
Definition: error-model.cc:346
General error model that can be used to corrupt packets.
Definition: error-model.h:116
bool m_enable
True if the error model is enabled.
Definition: error-model.h:164
bool IsEnabled(void) const
Definition: error-model.cc:139
virtual ~ErrorModel()
Definition: error-model.cc:101
static TypeId GetTypeId(void)
Get the type ID.
Definition: error-model.cc:82
void Disable(void)
Disable the error model.
Definition: error-model.cc:132
void Enable(void)
Enable the error model.
Definition: error-model.cc:125
void Reset(void)
Reset any state associated with the error model.
Definition: error-model.cc:118
virtual bool DoCorrupt(Ptr< Packet > p)=0
Corrupt a packet according to the specified model.
virtual void DoReset(void)=0
Re-initialize any state.
bool IsCorrupt(Ptr< Packet > pkt)
Note: Depending on the error model, this function may or may not alter the contents of the packet upo...
Definition: error-model.cc:107
Provide a list of Packet uids to corrupt.
Definition: error-model.h:380
virtual bool DoCorrupt(Ptr< Packet > p)
Corrupt a packet according to the specified model.
Definition: error-model.cc:458
std::list< uint32_t > GetList(void) const
Definition: error-model.cc:441
virtual ~ListErrorModel()
Definition: error-model.cc:435
void SetList(const std::list< uint32_t > &packetlist)
Definition: error-model.cc:448
virtual void DoReset(void)
Re-initialize any state.
Definition: error-model.cc:478
PacketList m_packetList
container of Uid of packets to corrupt
Definition: error-model.h:410
static TypeId GetTypeId(void)
Get the type ID.
Definition: error-model.cc:420
std::list< uint32_t >::const_iterator PacketListCI
Typedef: packet Uid list const iterator.
Definition: error-model.h:408
std::list< uint32_t > PacketList
Typedef: packet Uid list.
Definition: error-model.h:406
A base class which provides memory management and object aggregation.
Definition: object.h:88
Determine which packets are errored corresponding to an underlying distribution, rate,...
Definition: error-model.h:183
double m_rate
Error rate.
Definition: error-model.h:260
virtual bool DoCorruptByte(Ptr< Packet > p)
Corrupt a packet (Byte unit).
Definition: error-model.cc:260
void SetRate(double rate)
Definition: error-model.cc:208
virtual bool DoCorrupt(Ptr< Packet > p)
Corrupt a packet according to the specified model.
Definition: error-model.cc:230
ErrorUnit
Error unit.
Definition: error-model.h:198
virtual bool DoCorruptBit(Ptr< Packet > p)
Corrupt a packet (bit unit).
Definition: error-model.cc:269
RateErrorModel::ErrorUnit GetUnit(void) const
Definition: error-model.cc:187
int64_t AssignStreams(int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model.
Definition: error-model.cc:222
enum ErrorUnit m_unit
Error rate unit.
Definition: error-model.h:259
static TypeId GetTypeId(void)
Get the type ID.
Definition: error-model.cc:151
virtual ~RateErrorModel()
Definition: error-model.cc:181
virtual void DoReset(void)
Re-initialize any state.
Definition: error-model.cc:278
Ptr< RandomVariableStream > m_ranvar
rng stream
Definition: error-model.h:262
void SetUnit(enum ErrorUnit error_unit)
Definition: error-model.cc:194
virtual bool DoCorruptPkt(Ptr< Packet > p)
Corrupt a packet (packet unit).
Definition: error-model.cc:253
double GetRate(void) const
Definition: error-model.cc:201
void SetRandomVariable(Ptr< RandomVariableStream >)
Definition: error-model.cc:215
Provide a list of Packets to corrupt.
Definition: error-model.h:427
std::list< uint32_t > PacketList
Typedef: packet sequence number list.
Definition: error-model.h:453
static TypeId GetTypeId(void)
Get the type ID.
Definition: error-model.cc:490
virtual void DoReset(void)
Re-initialize any state.
Definition: error-model.cc:547
std::list< uint32_t >::const_iterator PacketListCI
Typedef: packet sequence number list const iterator.
Definition: error-model.h:455
uint32_t m_timesInvoked
number of times the error model has been invoked
Definition: error-model.h:458
PacketList m_packetList
container of sequence number of packets to corrupt
Definition: error-model.h:457
virtual bool DoCorrupt(Ptr< Packet > p)
Corrupt a packet according to the specified model.
Definition: error-model.cc:527
std::list< uint32_t > GetList(void) const
Definition: error-model.cc:513
void SetList(const std::list< uint32_t > &packetlist)
Definition: error-model.cc:520
a unique identifier for an interface.
Definition: type-id.h:59
Every class exported by the ns3 library is enclosed in the ns3 namespace.