mirror of
https://gitlab.isc.org/isc-projects/kea
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91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
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// Copyright (C) 2010 Internet Systems Consortium, Inc. ("ISC")
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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// $Id$
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#ifndef __RRCLASS_H
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#define __RRCLASS_H 1
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#include "exceptions.h"
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namespace isc {
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namespace dns {
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// forward declarations
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class OutputBuffer;
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class MessageRenderer;
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///
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/// \brief TBD
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///
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class InvalidRRClass : public Exception {
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public:
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InvalidRRClass(const char* file, size_t line, const char* what) :
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isc::dns::Exception(file, line, what) {}
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};
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class RRClass {
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public:
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///
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/// \name Constructors and Destructor
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///
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//@{
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explicit RRClass(uint16_t classcode) : classcode_(classcode) {}
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explicit RRClass(const std::string& classstr);
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///
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/// We use the default copy constructor intentionally.
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//@}
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/// We use the default copy assignment operator intentionally.
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///
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const std::string toText() const;
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void toWire(OutputBuffer& buffer) const;
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void toWire(MessageRenderer& renderer) const;
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uint16_t getCode() const { return (classcode_); }
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bool operator==(const RRClass& other) const
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{ return (classcode_ == other.classcode_); }
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bool operator!=(const RRClass& other) const
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{ return (classcode_ != other.classcode_); }
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///
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/// We define this so that RRClasss can be stored in STL containers.
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///
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bool operator<(const RRClass& other) const
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{ return (classcode_ < other.classcode_); }
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// (Some) Well-known RRclass constants
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static const RRClass& IN();
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private:
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uint16_t classcode_;
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};
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// We'll probably auto generate this code. But in this preliminary version
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// we simply hard code some selected classes.
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inline const RRClass&
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RRClass::IN()
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{
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static RRClass rrclass(1);
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return (rrclass);
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}
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std::ostream&
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operator<<(std::ostream& os, const RRClass& rrclass);
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}
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}
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#endif // __RRCLASS_H
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// Local Variables:
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// mode: c++
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// End:
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