duid.h

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// Copyright (C) 2012-2018 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef DUID_H
#define DUID_H

#include <asiolink/io_address.h>
#include <boost/shared_ptr.hpp>
#include <vector>
#include <stdint.h>
#include <unistd.h>

namespace isc {
namespace dhcp {

class DUID;
typedef boost::shared_ptr<DUID> DuidPtr;

class DUID {
 public:
    static const size_t MAX_DUID_LEN = 128;

    static const size_t MIN_DUID_LEN = 1;

    typedef enum {
        DUID_UNKNOWN = 0, 
        DUID_LLT = 1,     
        DUID_EN = 2,      
        DUID_LL = 3,      
        DUID_UUID = 4,    
        DUID_MAX          
    } DUIDType;

    DUID(const std::vector<uint8_t>& duid);

    DUID(const uint8_t* duid, size_t len);

    const std::vector<uint8_t>& getDuid() const;

    //
    static const DUID& EMPTY();

    DUIDType getType() const;

    static DUID fromText(const std::string& text);

    std::string toText() const;

    bool operator==(const DUID& other) const;

    bool operator!=(const DUID& other) const;

 protected:

    std::vector<uint8_t> duid_;
};

class ClientId;
typedef boost::shared_ptr<ClientId> ClientIdPtr;

class ClientId : public DUID {
public:

    static const size_t MIN_CLIENT_ID_LEN = 2;

    static const size_t MAX_CLIENT_ID_LEN = DUID::MAX_DUID_LEN;

    ClientId(const std::vector<uint8_t>& clientid);

    ClientId(const uint8_t* clientid, size_t len);

    const std::vector<uint8_t>& getClientId() const;

    std::string toText() const;

    static ClientIdPtr fromText(const std::string& text);

    bool operator==(const ClientId& other) const;

    bool operator!=(const ClientId& other) const;
};

}; // end of isc::dhcp namespace
}; // end of isc namespace

#endif /* DUID_H */