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bs-link-manager.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2007,2008,2009 INRIA, UDcast
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  * Mohamed Amine Ismail <amine.ismail@sophia.inria.fr>
20  * <amine.ismail@UDcast.com>
21  */
22 
23 #ifndef LINK_MANAGER_H
24 #define LINK_MANAGER_H
25 
26 #include <stdint.h>
27 #include "wimax-net-device.h"
28 #include "bs-net-device.h"
29 #include "ns3/event-id.h"
30 #include "cid.h"
31 #include "mac-messages.h"
32 
33 namespace ns3 {
34 
38 class BSLinkManager : public Object
39 {
40 public:
41  static TypeId GetTypeId (void);
42  BSLinkManager (Ptr<BaseStationNetDevice> bs);
43  ~BSLinkManager (void);
47  uint8_t CalculateRangingOppsToAllocate (void);
51  uint64_t SelectDlChannel (void);
58  void ProcessRangingRequest (Cid cid, RngReq rngreq);
62  void VerifyInvitedRanging (Cid cid, uint8_t uiuc);
63 private:
64  BSLinkManager (const BSLinkManager &);
65  BSLinkManager & operator= (const BSLinkManager &);
66 
67  void PerformRanging (Cid cid, RngReq rngreq);
68  void PerformInitialRanging (Cid cid, RngReq *rngreq, RngRsp *rngrsp);
69  void PerformInvitedRanging (Cid cid, RngRsp *rngrsp);
70 
71  void SetParametersToAdjust (RngRsp *rngrsp);
72  void AbortRanging (Cid cid, RngRsp *rngrsp, SSRecord *ssRecord, bool isNewSS);
73  void AcceptRanging (Cid cid, RngRsp *rngrsp, SSRecord *ssRecord);
74  void ContinueRanging (Cid cid, RngRsp *rngrsp, SSRecord *ssRecord);
75  void ScheduleRngRspMessage (Cid cid, RngRsp *rngrsp);
76  void DeallocateCids (Cid cid);
77 
78  bool ChangeDlChannel (void);
79  uint32_t GetNewDlChannel (void);
80  uint8_t GetSignalQuality (void);
81  bool IsRangingAcceptable (void);
82 
83  Ptr<BaseStationNetDevice> m_bs;
84 
85  // ranging parameters
86  uint32_t m_signalQuality;
87  uint8_t m_signalQualityThreshold;
88  int tries; // variable to test multiple RNG-REQ by the SS for example undecodable at BS or lost RNG-RSP
89 };
90 
91 } // namespace ns3
92 
93 #endif /* LINK_MANAGER_H */