A Discrete-Event Network Simulator
API
packet-filter.h
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3  * Copyright (c) 2016 Universita' degli Studi di Napoli Federico II
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18 
19 #ifndef PACKET_FILTER_H
20 #define PACKET_FILTER_H
21 
22 #include "ns3/object.h"
23 
24 namespace ns3 {
25 
26 class QueueDiscItem;
27 
34 class PacketFilter: public Object {
35 public:
40  static TypeId GetTypeId (void);
41 
42  PacketFilter ();
43  virtual ~PacketFilter ();
44 
48  static const int PF_NO_MATCH = -1;
49 
59  int32_t Classify (Ptr<QueueDiscItem> item) const;
60 
61 private:
68  virtual bool CheckProtocol (Ptr<QueueDiscItem> item) const = 0;
69 
78  virtual int32_t DoClassify (Ptr<QueueDiscItem> item) const = 0;
79 };
80 
81 } // namespace ns3
82 
83 #endif /* PACKET_FILTER */
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:73
ns3::PacketFilter::PF_NO_MATCH
static const int PF_NO_MATCH
Standard value used by packet filters to indicate that no match was possible.
Definition: packet-filter.h:48
ns3::PacketFilter::GetTypeId
static TypeId GetTypeId(void)
Get the type ID.
Definition: packet-filter.cc:31
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::PacketFilter::Classify
int32_t Classify(Ptr< QueueDiscItem > item) const
Classify a packet.
Definition: packet-filter.cc:51
ns3::PacketFilter::~PacketFilter
virtual ~PacketFilter()
Definition: packet-filter.cc:45
ns3::PacketFilter
PacketFilter is the abstract base class for filters used by queue discs to classify packets...
Definition: packet-filter.h:34
ns3::Object
A base class which provides memory management and object aggregation.
Definition: object.h:87
ns3::PacketFilter::CheckProtocol
virtual bool CheckProtocol(Ptr< QueueDiscItem > item) const =0
Checks if the filter is able to classify a kind of items.
ns3::TypeId
a unique identifier for an interface.
Definition: type-id.h:58
ns3::PacketFilter::DoClassify
virtual int32_t DoClassify(Ptr< QueueDiscItem > item) const =0
Classify a packet.
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