A Discrete-Event Network Simulator
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bs-scheduler.cc
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007,2008 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Jahanzeb Farooq <jahanzeb.farooq@sophia.inria.fr>
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*/
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#include "
bs-scheduler.h
"
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#include "ns3/simulator.h"
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#include "
bs-net-device.h
"
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#include "ns3/packet-burst.h"
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#include "
cid.h
"
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#include "
wimax-mac-header.h
"
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#include "
ss-record.h
"
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#include "
wimax-mac-queue.h
"
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#include "ns3/log.h"
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#include "
burst-profile-manager.h
"
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#include "
wimax-connection.h
"
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#include "
connection-manager.h
"
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#include "
ss-manager.h
"
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#include "
service-flow.h
"
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#include "
service-flow-record.h
"
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#include "
service-flow-manager.h
"
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NS_LOG_COMPONENT_DEFINE
(
"BSScheduler"
);
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namespace
ns3 {
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NS_OBJECT_ENSURE_REGISTERED
(BSScheduler)
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;
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TypeId
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BSScheduler::GetTypeId
(
void
)
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{
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static
TypeId
tid =
TypeId
(
"ns3::BSScheduler"
).
SetParent
<
Object
> ();
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return
tid;
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}
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BSScheduler::BSScheduler
()
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: m_downlinkBursts (new std::
list
<std::pair<
OfdmDlMapIe
*,
Ptr
<
PacketBurst
> > > ())
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{
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// m_downlinkBursts is filled by AddDownlinkBurst and emptied by
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// wimax-bs-net-device::sendBurst and wimax-ss-net-device::sendBurst
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}
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BSScheduler::BSScheduler
(
Ptr<BaseStationNetDevice>
bs)
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: m_downlinkBursts (new std::
list
<std::pair<
OfdmDlMapIe
*,
Ptr
<
PacketBurst
> > > ())
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{
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}
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BSScheduler::~BSScheduler
(
void
)
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{
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std::list<std::pair<OfdmDlMapIe*, Ptr<PacketBurst> > > *downlinkBursts =
m_downlinkBursts
;
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std::pair<OfdmDlMapIe*, Ptr<PacketBurst> > pair;
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while
(downlinkBursts->size ())
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{
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pair = downlinkBursts->front ();
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pair.second = 0;
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delete
pair.first;
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}
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SetBs
(0);
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delete
m_downlinkBursts
;
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m_downlinkBursts
= 0;
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}
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void
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BSScheduler::SetBs
(
Ptr<BaseStationNetDevice>
bs)
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{
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m_bs
= bs;
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}
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Ptr<BaseStationNetDevice>
BSScheduler::GetBs
(
void
)
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{
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return
m_bs
;
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}
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bool
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BSScheduler::CheckForFragmentation
(
Ptr<WimaxConnection>
connection,
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int
availableSymbols,
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WimaxPhy::ModulationType
modulationType)
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{
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NS_LOG_INFO
(
"BS Scheduler, CheckForFragmentation"
);
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if
(connection->GetType () !=
Cid::TRANSPORT
)
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{
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NS_LOG_INFO
(
"\t No Transport connction, Fragmentation IS NOT possible"
);
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return
false
;
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}
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uint32_t availableByte =
GetBs
()->GetPhy ()->
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GetNrBytes (availableSymbols, modulationType);
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uint32_t headerSize = connection->GetQueue ()->GetFirstPacketHdrSize (
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MacHeaderType::HEADER_TYPE_GENERIC
);
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NS_LOG_INFO
(
"\t availableByte = "
<< availableByte <<
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" headerSize = "
<< headerSize);
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if
(availableByte > headerSize)
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{
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NS_LOG_INFO
(
"\t Fragmentation IS possible"
);
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return
true
;
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}
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else
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{
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NS_LOG_INFO
(
"\t Fragmentation IS NOT possible"
);
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return
false
;
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}
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}
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}
// namespace ns3
NS_LOG_COMPONENT_DEFINE
NS_LOG_COMPONENT_DEFINE("BSScheduler")
ns3::Ptr
smart pointer class similar to boost::intrusive_ptr
Definition:
ptr.h:59
wimax-connection.h
ns3::MacHeaderType::HEADER_TYPE_GENERIC
Definition:
wimax-mac-header.h:44
burst-profile-manager.h
service-flow-record.h
ns3::NS_OBJECT_ENSURE_REGISTERED
NS_OBJECT_ENSURE_REGISTERED(NullMessageSimulatorImpl)
service-flow.h
NS_LOG_INFO
#define NS_LOG_INFO(msg)
Definition:
log.h:298
ns3::BSScheduler::CheckForFragmentation
bool CheckForFragmentation(Ptr< WimaxConnection > connection, int availableSymbols, WimaxPhy::ModulationType modulationType)
Definition:
bs-scheduler.cc:91
ns3::BSScheduler::~BSScheduler
~BSScheduler(void)
Definition:
bs-scheduler.cc:64
ns3::BSScheduler::m_downlinkBursts
std::list< std::pair< OfdmDlMapIe *, Ptr< PacketBurst > > > * m_downlinkBursts
Definition:
bs-scheduler.h:109
ns3::BSScheduler::BSScheduler
BSScheduler()
Definition:
bs-scheduler.cc:51
bs-net-device.h
ns3::BSScheduler::GetTypeId
static TypeId GetTypeId(void)
Definition:
bs-scheduler.cc:45
list
#define list
Definition:
openflow-interface.h:47
wimax-mac-header.h
ss-record.h
ns3::Cid::TRANSPORT
Definition:
cid.h:44
ns3::BSScheduler::GetBs
virtual Ptr< BaseStationNetDevice > GetBs(void)
Definition:
bs-scheduler.cc:85
bs-scheduler.h
ns3::BSScheduler::SetBs
virtual void SetBs(Ptr< BaseStationNetDevice > bs)
Definition:
bs-scheduler.cc:80
cid.h
ns3::BSScheduler::m_bs
Ptr< BaseStationNetDevice > m_bs
Definition:
bs-scheduler.h:108
ns3::WimaxPhy::ModulationType
ModulationType
Definition:
wimax-phy.h:48
ns3::PacketBurst
Doxygen introspection did not find any typical Config paths.
Definition:
packet-burst.h:32
connection-manager.h
service-flow-manager.h
wimax-mac-queue.h
ns3::Object
a base class which provides memory management and object aggregation
Definition:
object.h:63
ss-manager.h
ns3::TypeId
a unique identifier for an interface.
Definition:
type-id.h:49
ns3::TypeId::SetParent
TypeId SetParent(TypeId tid)
Definition:
type-id.cc:611
ns3::OfdmDlMapIe
Definition:
dl-mac-messages.h:262
src
wimax
model
bs-scheduler.cc
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