ie-dot11s-peer-management.h

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/*
 * Copyright (c) 2008,2009 IITP RAS
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Authors: Kirill Andreev <andreev@iitp.ru>
 *          Aleksey Kovalenko <kovalenko@iitp.ru>
 */
 
#ifndef IE_DOT11S_PEER_MANAGEMENT_H
#define IE_DOT11S_PEER_MANAGEMENT_H
 
#include "ns3/mesh-information-element-vector.h"
 
namespace ns3
{
namespace dot11s
{
 
enum PmpReasonCode
{
    REASON11S_PEERING_CANCELLED = 52, // according to IEEE 802.11 - 2012
    REASON11S_MESH_MAX_PEERS = 53,
    REASON11S_MESH_CAPABILITY_POLICY_VIOLATION = 54,
    REASON11S_MESH_CLOSE_RCVD = 55,
    REASON11S_MESH_MAX_RETRIES = 56,
    REASON11S_MESH_CONFIRM_TIMEOUT = 57,
    REASON11S_MESH_INVALID_GTK = 58,
    REASON11S_MESH_INCONSISTENT_PARAMETERS = 59,
    REASON11S_MESH_INVALID_SECURITY_CAPABILITY = 60,
    REASON11S_RESERVED = 67,
};
 
class IePeerManagement : public WifiInformationElement
{
  public:
    IePeerManagement();
 
    enum Subtype
    {
        PEER_OPEN = 1,
        PEER_CONFIRM = 2,
        PEER_CLOSE = 3,
    };
 
    void SetPeerOpen(uint16_t localLinkId);
    void SetPeerClose(uint16_t localLinkID, uint16_t peerLinkId, PmpReasonCode reasonCode);
    void SetPeerConfirm(uint16_t localLinkID, uint16_t peerLinkId);
 
    PmpReasonCode GetReasonCode() const;
    uint16_t GetLocalLinkId() const;
    uint16_t GetPeerLinkId() const;
    bool SubtypeIsOpen() const;
    bool SubtypeIsClose() const;
    bool SubtypeIsConfirm() const;
    uint8_t GetSubtype() const;
 
    // Inherited from WifiInformationElement
    WifiInformationElementId ElementId() const override;
    uint16_t GetInformationFieldSize() const override;
    void SerializeInformationField(Buffer::Iterator i) const override;
    uint16_t DeserializeInformationField(Buffer::Iterator i, uint16_t length) override;
    void Print(std::ostream& os) const override;
 
  private:
    uint8_t m_length;       
    uint8_t m_subtype;      
    uint16_t m_localLinkId; 
    uint16_t m_peerLinkId;
    PmpReasonCode m_reasonCode;
    friend bool operator==(const IePeerManagement& a, const IePeerManagement& b);
};
 
bool operator==(const IePeerManagement& a, const IePeerManagement& b);
std::ostream& operator<<(std::ostream& os, const IePeerManagement& peerMan);
} // namespace dot11s
} // namespace ns3
 
#endif /* IE_DOT11S_PEER_MANAGEMENT_H */