A Discrete-Event Network Simulator
API
mpdu-aggregator.h
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2 /*
3  * Copyright (c) 2013
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17  *
18  * Author: Ghada Badawy <gbadawy@gmail.com>
19  */
20 
21 #ifndef MPDU_AGGREGATOR_H
22 #define MPDU_AGGREGATOR_H
23 
24 #include "ns3/object.h"
25 #include "wifi-mode.h"
26 #include "qos-txop.h"
27 #include "ns3/nstime.h"
28 #include <vector>
29 
30 namespace ns3 {
31 
32 class AmpduSubframeHeader;
33 class WifiTxVector;
34 class Packet;
35 class WifiMacQueueItem;
36 
41 class MpduAggregator : public Object
42 {
43 public:
47  typedef std::list<std::pair<Ptr<Packet>, AmpduSubframeHeader> > DeaggregatedMpdus;
51  typedef std::list<std::pair<Ptr<Packet>, AmpduSubframeHeader> >::const_iterator DeaggregatedMpdusCI;
55  typedef std::map<AcIndex, Ptr<QosTxop> > EdcaQueues;
56 
57 
62  static TypeId GetTypeId (void);
63 
64  MpduAggregator ();
65  virtual ~MpduAggregator ();
66 
74  static void Aggregate (Ptr<const WifiMacQueueItem> mpdu, Ptr<Packet> ampdu, bool isSingle);
75 
83  static void AddHeaderAndPad (Ptr<Packet> mpdu, bool last, bool isSingleMpdu);
84 
93  static uint32_t GetSizeIfAggregated (uint32_t mpduSize, uint32_t ampduSize);
94 
104  uint32_t GetMaxAmpduSize (Mac48Address recipient, uint8_t tid,
105  WifiModulationClass modulation) const;
106 
135  std::vector<Ptr<WifiMacQueueItem>> GetNextAmpdu (Ptr<const WifiMacQueueItem> mpdu,
136  WifiTxVector txVector,
137  Time ppduDurationLimit = Time::Min ()) const;
138 
145  static DeaggregatedMpdus Deaggregate (Ptr<Packet> aggregatedPacket);
146 
153  static std::list<Ptr<const Packet>> PeekAmpduSubframes (Ptr<const Packet> aggregatedPacket);
154 
161  static std::list<Ptr<const Packet>> PeekMpdus (Ptr<const Packet> aggregatedPacket);
162 
170 
176  void SetEdcaQueues (EdcaQueues edcaQueues);
177 
178 private:
187  static uint8_t CalculatePadding (uint32_t ampduSize);
188 
190 };
191 
192 } //namespace ns3
193 
194 #endif /* MPDU_AGGREGATOR_H */
Aggregator used to construct A-MPDUs.
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:73
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
static Time Min()
Minimum representable Time.
Definition: nstime.h:268
static Ptr< const Packet > PeekMpduInAmpduSubframe(Ptr< const Packet > ampduSubframe)
Peeks the MPDU contained in the A-MPDU subframe.
static DeaggregatedMpdus Deaggregate(Ptr< Packet > aggregatedPacket)
Deaggregates an A-MPDU by removing the A-MPDU subframe header and padding.
std::list< std::pair< Ptr< Packet >, AmpduSubframeHeader > >::const_iterator DeaggregatedMpdusCI
A constant iterator for a list of deaggregated packets and their A-MPDU subframe headers.
static uint32_t GetSizeIfAggregated(uint32_t mpduSize, uint32_t ampduSize)
Compute the size of the A-MPDU resulting from the aggregation of an MPDU of size mpduSize and an A-MP...
static void AddHeaderAndPad(Ptr< Packet > mpdu, bool last, bool isSingleMpdu)
static std::list< Ptr< const Packet > > PeekMpdus(Ptr< const Packet > aggregatedPacket)
Peeks the MPDUs of the provided A-MPDU.
Introspection did not find any typical Config paths.
static void Aggregate(Ptr< const WifiMacQueueItem > mpdu, Ptr< Packet > ampdu, bool isSingle)
Aggregate an MPDU to an A-MPDU.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
static uint8_t CalculatePadding(uint32_t ampduSize)
an EUI-48 address
Definition: mac48-address.h:43
std::vector< Ptr< WifiMacQueueItem > > GetNextAmpdu(Ptr< const WifiMacQueueItem > mpdu, WifiTxVector txVector, Time ppduDurationLimit=Time::Min()) const
Attempt to aggregate other MPDUs to the given MPDU, while meeting the following constraints: ...
WifiModulationClass
This enumeration defines the modulation classes per (Table 9-4 "Modulation classes"; IEEE 802...
Definition: wifi-mode.h:36
uint32_t GetMaxAmpduSize(Mac48Address recipient, uint8_t tid, WifiModulationClass modulation) const
Determine the maximum size for an A-MPDU of the given TID that can be sent to the given receiver when...
static TypeId GetTypeId(void)
Get the type ID.
std::list< std::pair< Ptr< Packet >, AmpduSubframeHeader > > DeaggregatedMpdus
A list of deaggregated packets and their A-MPDU subframe headers.
std::map< AcIndex, Ptr< QosTxop > > EdcaQueues
EDCA queues typedef.
static std::list< Ptr< const Packet > > PeekAmpduSubframes(Ptr< const Packet > aggregatedPacket)
Peeks the A-MPDU subframes of the provided A-MPDU.
A base class which provides memory management and object aggregation.
Definition: object.h:87
EdcaQueues m_edca
the map of EDCA queues
a unique identifier for an interface.
Definition: type-id.h:58
void SetEdcaQueues(EdcaQueues edcaQueues)
Set the map of EDCA queues.