A Discrete-Event Network Simulator
API
bs-uplink-scheduler-mbqos.h
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2009 INRIA/LRC - Computer Networks Laboratory
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Authors: Jahanzeb Farooq <jahanzeb.farooq@sophia.inria.fr>
19 * Flavio Kobuta <flaviokubota@gmail.com>
20 *
21 */
22
23#ifndef UPLINK_SCHEDULER_MBQOS_H
24#define UPLINK_SCHEDULER_MBQOS_H
25
26#include <stdint.h>
27#include "ul-mac-messages.h"
28#include "ns3/nstime.h"
29#include "wimax-phy.h"
30#include "ul-job.h"
31#include "service-flow-record.h"
32#include "ns3/object.h"
33#include "bs-uplink-scheduler.h"
34#include "service-flow.h"
35
36namespace ns3 {
37
38class BaseStationNetDevice;
39class SSRecord;
40class ServiceFlow;
41class ServiceFlowRecord;
42class UlJob;
43
70{
71public:
80
85 static TypeId GetTypeId (void);
86
91 std::list<OfdmUlMapIe> GetUplinkAllocations (void) const;
92
101 void GetChannelDescriptorsToUpdate (bool &updateDcd, bool &updateUcd, bool &sendDcd, bool &sendUcd);
114 void AddUplinkAllocation (OfdmUlMapIe &ulMapIe,
115 const uint32_t &allocationSize,
116 uint32_t &symbolsToAllocation,
117 uint32_t &availableSymbols);
118
122 void Schedule (void);
132 void ServiceUnsolicitedGrants (const SSRecord *ssRecord,
133 enum ServiceFlow::SchedulingType schedulingType,
134 OfdmUlMapIe &ulMapIe,
135 const WimaxPhy::ModulationType modulationType,
136 uint32_t &symbolsToAllocation,
137 uint32_t &availableSymbols);
147 void ServiceBandwidthRequests (const SSRecord *ssRecord,
148 enum ServiceFlow::SchedulingType schedulingType,
149 OfdmUlMapIe &ulMapIe,
150 const WimaxPhy::ModulationType modulationType,
151 uint32_t &symbolsToAllocation,
152 uint32_t &availableSymbols);
163 bool ServiceBandwidthRequests (ServiceFlow *serviceFlow,
164 enum ServiceFlow::SchedulingType schedulingType,
165 OfdmUlMapIe &ulMapIe,
166 const WimaxPhy::ModulationType modulationType,
167 uint32_t &symbolsToAllocation,
168 uint32_t &availableSymbols);
174 void AllocateInitialRangingInterval (uint32_t &symbolsToAllocation, uint32_t &availableSymbols);
180 void SetupServiceFlow (SSRecord *ssRecord, ServiceFlow *serviceFlow);
181
192 void CheckDeadline (uint32_t &availableSymbols);
193
203 void CheckMinimumBandwidth (uint32_t &availableSymbols);
204
209 void UplinkSchedWindowTimer (void);
210
217 void EnqueueJob (UlJob::JobPriority priority, Ptr<UlJob> job);
218
226
227 void ProcessBandwidthRequest (const BandwidthRequestHeader &bwRequestHdr);
228
235 Time DetermineDeadline (ServiceFlow *serviceFlow);
236
240 void InitOnce (void);
241
249
257
263
273 CreateUlJob (SSRecord *ssRecord, enum ServiceFlow::SchedulingType schedType, ReqType reqType);
274
282 GetPendingSize (ServiceFlow* serviceFlow);
283
295 bool
297 enum ServiceFlow::SchedulingType schedulingType, OfdmUlMapIe &ulMapIe,
298 const WimaxPhy::ModulationType modulationType,
299 uint32_t &symbolsToAllocation, uint32_t &availableSymbols, uint32_t allocationSizeBytes);
300
301private:
302 std::list<OfdmUlMapIe> m_uplinkAllocations;
303
304 // queues for scheduler
305 std::list<Ptr<UlJob> > m_uplinkJobs_high;
306 std::list<Ptr<UlJob> > m_uplinkJobs_inter;
307 std::list<Ptr<UlJob> > m_uplinkJobs_low;
308
309 // interval to reset window
311};
312
313} // namespace ns3
314
315#endif /* UPLINK_SCHEDULER_MBQOS_H */
This class implements the bandwidth-request mac Header as described by IEEE Standard for Local and me...
This class implements the UL-MAP_IE message as described by "IEEE Standard for Local and metropolitan...
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:78
This class is used by the base station to store some information related to subscriber station in the...
Definition: ss-record.h:44
This class implements service flows as described by the IEEE-802.16 standard.
Definition: service-flow.h:42
SchedulingType
section 11.13.11 Service flow scheduling type, page 701
Definition: service-flow.h:61
this class implements a structure to manage some parameters and statistics related to a service flow
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:104
a unique identifier for an interface.
Definition: type-id.h:59
JobPriority
Job priority enumeration.
Definition: ul-job.h:52
ModulationType
ModulationType enumeration.
Definition: wimax-phy.h:52
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ReqType
Request type enumeration.
Definition: ul-job.h:38
#define list