FcfsWifiQueueScheduler is a wifi queue scheduler that serves data frames in a first come first serve fashion. More...
#include "fcfs-wifi-queue-scheduler.h"
Public Types | |
enum | DropPolicy { DROP_NEWEST , DROP_OLDEST } |
drop policy More... | |
Public Types inherited from ns3::WifiMacQueueScheduler | |
using | Mask = std::bitset<static_cast<std::size_t>(WifiQueueBlockedReason::REASONS_COUNT)> |
Bitset identifying the reasons to block individual links for a container queue. | |
Public Member Functions | |
FcfsWifiQueueScheduler () | |
Public Member Functions inherited from ns3::WifiMacQueueSchedulerImpl< FcfsPrio > | |
WifiMacQueueSchedulerImpl () | |
Constructor. | |
void | BlockQueues (WifiQueueBlockedReason reason, AcIndex ac, const std::list< WifiContainerQueueType > &types, const Mac48Address &rxAddress, const Mac48Address &txAddress, const std::set< uint8_t > &tids, const std::set< uint8_t > &linkIds) final |
Block the given set of links for the container queues of the given types and Access Category that hold frames having the given Receiver Address (RA), Transmitter Address (TA) and TID (if needed) for the given reason, such that frames in these queues are not transmitted on the given set of links. | |
std::list< uint8_t > | GetLinkIds (AcIndex ac, Ptr< const WifiMpdu > mpdu, const std::list< WifiQueueBlockedReason > &ignoredReasons) final |
Get the list of the IDs of the links the given MPDU (belonging to the given Access Category) can be sent over. | |
std::optional< WifiContainerQueueId > | GetNext (AcIndex ac, std::optional< uint8_t > linkId) final |
Get the next queue to serve, which is guaranteed to contain at least an MPDU whose lifetime has not expired. | |
std::optional< WifiContainerQueueId > | GetNext (AcIndex ac, std::optional< uint8_t > linkId, const WifiContainerQueueId &prevQueueId) final |
Get the next queue to serve after the given one. | |
std::optional< Mask > | GetQueueLinkMask (AcIndex ac, const WifiContainerQueueId &queueId, uint8_t linkId) final |
Get the mask associated with the given container queue indicating whether the given link is blocked and for which reason, provided that the given container queue exists and has a mask for the given link. | |
Ptr< WifiMpdu > | HasToDropBeforeEnqueue (AcIndex ac, Ptr< WifiMpdu > mpdu) final |
Check whether an MPDU has to be dropped before enqueuing the given MPDU. | |
void | NotifyDequeue (AcIndex ac, const std::list< Ptr< WifiMpdu > > &mpdus) final |
Notify the scheduler that the given list of MPDUs have been dequeued by the given Access Category. | |
void | NotifyEnqueue (AcIndex ac, Ptr< WifiMpdu > mpdu) final |
Notify the scheduler that the given MPDU has been enqueued by the given Access Category. | |
void | NotifyRemove (AcIndex ac, const std::list< Ptr< WifiMpdu > > &mpdus) final |
Notify the scheduler that the given list of MPDUs have been removed by the given Access Category. | |
void | SetWifiMac (Ptr< WifiMac > mac) final |
Set the wifi MAC. | |
void | UnblockQueues (WifiQueueBlockedReason reason, AcIndex ac, const std::list< WifiContainerQueueType > &types, const Mac48Address &rxAddress, const Mac48Address &txAddress, const std::set< uint8_t > &tids, const std::set< uint8_t > &linkIds) final |
Unblock the given set of links for the container queues of the given types and Access Category that hold frames having the given Receiver Address (RA), Transmitter Address (TA) and TID (if needed) for the given reason, such that frames in these queues can be transmitted on the given set of links. | |
Public Member Functions inherited from ns3::Object | |
Object () | |
Constructor. | |
~Object () override | |
Destructor. | |
void | AggregateObject (Ptr< Object > other) |
Aggregate two Objects together. | |
void | Dispose () |
Dispose of this Object. | |
AggregateIterator | GetAggregateIterator () const |
Get an iterator to the Objects aggregated to this one. | |
TypeId | GetInstanceTypeId () const override |
Get the most derived TypeId for this Object. | |
template<typename T > | |
Ptr< T > | GetObject () const |
Get a pointer to the requested aggregated Object. | |
template<> | |
Ptr< Object > | GetObject () const |
Specialization of () for objects of type ns3::Object. | |
template<typename T > | |
Ptr< T > | GetObject (TypeId tid) const |
Get a pointer to the requested aggregated Object by TypeId. | |
template<> | |
Ptr< Object > | GetObject (TypeId tid) const |
Specialization of (TypeId tid) for objects of type ns3::Object. | |
void | Initialize () |
Invoke DoInitialize on all Objects aggregated to this one. | |
bool | IsInitialized () const |
Check if the object has been initialized. | |
void | UnidirectionalAggregateObject (Ptr< Object > other) |
Aggregate an Object to another Object. | |
Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter > | |
SimpleRefCount () | |
Default constructor. | |
SimpleRefCount (const SimpleRefCount &o) | |
Copy constructor. | |
uint32_t | GetReferenceCount () const |
Get the reference count of the object. | |
SimpleRefCount & | operator= (const SimpleRefCount &o) |
Assignment operator. | |
void | Ref () const |
Increment the reference count. | |
void | Unref () const |
Decrement the reference count. | |
Public Member Functions inherited from ns3::ObjectBase | |
virtual | ~ObjectBase () |
Virtual destructor. | |
void | GetAttribute (std::string name, AttributeValue &value, bool permissive=false) const |
Get the value of an attribute, raising fatal errors if unsuccessful. | |
bool | GetAttributeFailSafe (std::string name, AttributeValue &value) const |
Get the value of an attribute without raising errors. | |
void | SetAttribute (std::string name, const AttributeValue &value) |
Set a single attribute, raising fatal errors if unsuccessful. | |
bool | SetAttributeFailSafe (std::string name, const AttributeValue &value) |
Set a single attribute without raising errors. | |
bool | TraceConnect (std::string name, std::string context, const CallbackBase &cb) |
Connect a TraceSource to a Callback with a context. | |
bool | TraceConnectWithoutContext (std::string name, const CallbackBase &cb) |
Connect a TraceSource to a Callback without a context. | |
bool | TraceDisconnect (std::string name, std::string context, const CallbackBase &cb) |
Disconnect from a TraceSource a Callback previously connected with a context. | |
bool | TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb) |
Disconnect from a TraceSource a Callback previously connected without a context. | |
Static Public Member Functions | |
static TypeId | GetTypeId () |
Get the type ID. | |
Static Public Member Functions inherited from ns3::WifiMacQueueSchedulerImpl< FcfsPrio > | |
static TypeId | GetTypeId () |
Get the type ID. | |
Static Public Member Functions inherited from ns3::WifiMacQueueScheduler | |
static TypeId | GetTypeId () |
Get the type ID. | |
Static Public Member Functions inherited from ns3::Object | |
static TypeId | GetTypeId () |
Register this type. | |
Static Public Member Functions inherited from ns3::ObjectBase | |
static TypeId | GetTypeId () |
Get the type ID. | |
Private Member Functions | |
void | DoNotifyDequeue (AcIndex ac, const std::list< Ptr< WifiMpdu > > &mpdus) override |
Notify the scheduler that the given list of MPDUs have been dequeued by the given Access Category. | |
void | DoNotifyEnqueue (AcIndex ac, Ptr< WifiMpdu > mpdu) override |
Notify the scheduler that the given MPDU has been enqueued by the given Access Category. | |
void | DoNotifyRemove (AcIndex ac, const std::list< Ptr< WifiMpdu > > &mpdus) override |
Notify the scheduler that the given list of MPDUs have been removed by the given Access Category. | |
Ptr< WifiMpdu > | HasToDropBeforeEnqueuePriv (AcIndex ac, Ptr< WifiMpdu > mpdu) override |
Check whether an MPDU has to be dropped before enqueuing the given MPDU. | |
Private Attributes | |
DropPolicy | m_dropPolicy |
Drop behavior of queue. | |
NS_LOG_TEMPLATE_DECLARE | |
redefinition of the log component | |
Additional Inherited Members | |
Protected Types inherited from ns3::WifiMacQueueSchedulerImpl< FcfsPrio > | |
using | QueueInfoMap |
Map identifiers (QueueIds) to information associated with container queues. | |
using | QueueInfoPair |
typedef for a QueueInfoMap element | |
using | SortedQueues |
List of container queues sorted in decreasing order of priority. | |
Protected Member Functions inherited from ns3::WifiMacQueueSchedulerImpl< FcfsPrio > | |
void | DoDispose () override |
Destructor implementation. | |
const SortedQueues & | GetSortedQueues (AcIndex ac) const |
Get a const reference to the sorted list of container queues for the given Access Category. | |
Ptr< WifiMacQueue > | GetWifiMacQueue (AcIndex ac) const |
Get the wifi MAC queue associated with the given Access Category. | |
void | SetPriority (AcIndex ac, const WifiContainerQueueId &queueId, const FcfsPrio &priority) |
Set the priority for the given container queue belonging to the given Access Category. | |
Protected Member Functions inherited from ns3::WifiMacQueueScheduler | |
Ptr< WifiMac > | GetMac () const |
Get the wifi MAC. | |
Protected Member Functions inherited from ns3::Object | |
Object (const Object &o) | |
Copy an Object. | |
virtual void | DoInitialize () |
Initialize() implementation. | |
virtual void | NotifyNewAggregate () |
Notify all Objects aggregated to this one of a new Object being aggregated. | |
Protected Member Functions inherited from ns3::ObjectBase | |
void | ConstructSelf (const AttributeConstructionList &attributes) |
Complete construction of ObjectBase; invoked by derived classes. | |
virtual void | NotifyConstructionCompleted () |
Notifier called once the ObjectBase is fully constructed. | |
Related Symbols inherited from ns3::ObjectBase | |
static TypeId | GetObjectIid () |
Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly. | |
FcfsWifiQueueScheduler is a wifi queue scheduler that serves data frames in a first come first serve fashion.
Control frames have the highest priority. Management frames have the second highest priority. Hence, data frames are served after control and management frames.
Definition at line 53 of file fcfs-wifi-queue-scheduler.h.
drop policy
Enumerator | |
---|---|
DROP_NEWEST | |
DROP_OLDEST |
Definition at line 65 of file fcfs-wifi-queue-scheduler.h.
ns3::FcfsWifiQueueScheduler::FcfsWifiQueueScheduler | ( | ) |
Definition at line 75 of file fcfs-wifi-queue-scheduler.cc.
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overrideprivatevirtual |
Notify the scheduler that the given list of MPDUs have been dequeued by the given Access Category.
The container queues which became empty after dequeuing the MPDUs are removed from the sorted list of queues.
ac | the Access Category of the dequeued MPDUs |
mpdus | the list of dequeued MPDUs |
Implements ns3::WifiMacQueueSchedulerImpl< FcfsPrio >.
Definition at line 133 of file fcfs-wifi-queue-scheduler.cc.
References ns3::WifiMacQueueContainer::GetQueueId(), ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::GetWifiMacQueue(), NS_LOG_FUNCTION, and ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::SetPriority().
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overrideprivatevirtual |
Notify the scheduler that the given MPDU has been enqueued by the given Access Category.
The container queue in which the MPDU has been enqueued must be assigned a priority value.
ac | the Access Category of the enqueued MPDU |
mpdu | the enqueued MPDU |
Implements ns3::WifiMacQueueSchedulerImpl< FcfsPrio >.
Definition at line 119 of file fcfs-wifi-queue-scheduler.cc.
References ns3::WifiMacQueueContainer::GetQueueId(), ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::GetWifiMacQueue(), NS_ASSERT, NS_LOG_FUNCTION, and ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::SetPriority().
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overrideprivatevirtual |
Notify the scheduler that the given list of MPDUs have been removed by the given Access Category.
The container queues which became empty after removing the MPDUs are removed from the sorted list of queues.
ac | the Access Category of the removed MPDUs |
mpdus | the list of removed MPDUs |
Implements ns3::WifiMacQueueSchedulerImpl< FcfsPrio >.
Definition at line 156 of file fcfs-wifi-queue-scheduler.cc.
References ns3::WifiMacQueueContainer::GetQueueId(), ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::GetWifiMacQueue(), NS_LOG_FUNCTION, and ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::SetPriority().
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static |
Get the type ID.
Definition at line 56 of file fcfs-wifi-queue-scheduler.cc.
References DROP_NEWEST, DROP_OLDEST, m_dropPolicy, ns3::MakeEnumAccessor(), ns3::MakeEnumChecker(), and ns3::TypeId::SetParent().
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overrideprivatevirtual |
Check whether an MPDU has to be dropped before enqueuing the given MPDU.
ac | the Access Category of the MPDU being enqueued |
mpdu | the MPDU to enqueue |
Implements ns3::WifiMacQueueSchedulerImpl< FcfsPrio >.
Definition at line 81 of file fcfs-wifi-queue-scheduler.cc.
References DROP_OLDEST, ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::GetSortedQueues(), ns3::WifiMacQueueSchedulerImpl< FcfsPrio >::GetWifiMacQueue(), m_dropPolicy, NS_LOG_DEBUG, ns3::WIFI_CTL_QUEUE, and ns3::WIFI_MGT_QUEUE.
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private |
Drop behavior of queue.
Definition at line 77 of file fcfs-wifi-queue-scheduler.h.
Referenced by GetTypeId(), and HasToDropBeforeEnqueuePriv().
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private |
redefinition of the log component
Definition at line 78 of file fcfs-wifi-queue-scheduler.h.