option4_client_fqdn.h

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// Copyright (C) 2013-2022 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 OPTION4_CLIENT_FQDN_H
#define OPTION4_CLIENT_FQDN_H
 
#include <dhcp/option.h>
#include <dns/name.h>
 
#include <string>
#include <utility>
 
namespace isc {
namespace dhcp {
 
class InvalidOption4FqdnFlags : public Exception {
public:
    InvalidOption4FqdnFlags(const char* file, size_t line, const char* what) :
        isc::Exception(file, line, what) {}
};
 
class InvalidOption4FqdnDomainName : public Exception {
public:
    InvalidOption4FqdnDomainName(const char* file, size_t line,
                                 const char* what) :
        isc::Exception(file, line, what) {}
};
 
class Option4ClientFqdnImpl;
 
class Option4ClientFqdn : public Option {
public:
 
 
    static const uint8_t FLAG_S = 0x01; 
    static const uint8_t FLAG_O = 0x02; 
    static const uint8_t FLAG_E = 0x04; 
    static const uint8_t FLAG_N = 0x08; 
 
    static const uint8_t FLAG_MASK = 0xF;
 
    class Rcode {
    public:
        Rcode(const uint8_t rcode)
            : rcode_(rcode) { }
 
        uint8_t getCode() const {
            return (rcode_);
        }
 
    private:
        uint8_t rcode_;
    };
 
 
    enum DomainNameType {
        PARTIAL,
        FULL
    };
 
    static const uint16_t FIXED_FIELDS_LEN = 3;
 
    explicit Option4ClientFqdn(const uint8_t flags,
                               const Rcode& rcode,
                               const std::string& domain_name,
                               const DomainNameType domain_name_type = FULL);
 
    Option4ClientFqdn(const uint8_t flags, const Rcode& rcode);
 
    explicit Option4ClientFqdn(OptionBufferConstIter first,
                               OptionBufferConstIter last);
 
    Option4ClientFqdn(const Option4ClientFqdn& source);
 
    virtual OptionPtr clone() const;
 
    virtual ~Option4ClientFqdn();
 
    Option4ClientFqdn& operator=(const Option4ClientFqdn& source);
 
    bool getFlag(const uint8_t flag) const;
 
    void setFlag(const uint8_t flag, const bool set);
 
    void resetFlags();
 
    std::pair<Rcode, Rcode> getRcode() const;
 
    void setRcode(const Rcode& rcode);
 
    std::string getDomainName() const;
 
    void packDomainName(isc::util::OutputBuffer& buf) const;
 
    void setDomainName(const std::string& domain_name,
                       const DomainNameType domain_name_type);
 
    void resetDomainName();
 
    DomainNameType getDomainNameType() const;
 
    virtual void pack(isc::util::OutputBuffer& buf, bool check = true) const;
 
    virtual void unpack(OptionBufferConstIter first,
                        OptionBufferConstIter last);
 
    virtual std::string toText(int indent = 0) const;
 
    virtual uint16_t len() const;
 
 
 
    inline static const Rcode& RCODE_SERVER() {
        static Rcode rcode(255);
        return (rcode);
    }
 
    inline static const Rcode& RCODE_CLIENT() {
        static Rcode rcode(0);
        return (rcode);
    }
 
private:
 
    Option4ClientFqdnImpl* impl_;
};
 
typedef boost::shared_ptr<Option4ClientFqdn> Option4ClientFqdnPtr;
 
} // namespace isc::dhcp
} // namespace isc
 
#endif // OPTION4_CLIENT_FQDN_H