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// Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#ifndef CFG_RSOO_H
#define CFG_RSOO_H
#include <boost/shared_ptr.hpp>
#include <stdint.h>
#include <set>
namespace isc {
namespace dhcp {
/// @brief Represents configuration of the RSOO options for the DHCP server.
///
/// This class holds the set of RSOO-enabled options (see RFC6422). The list
/// of RSOO-enabled options is maintained by IANA and currently the option
/// 65 is officially RSSO-enabled. The list may be extended in the future
/// and this class allows for specifying any future RSOO-enabled options.
/// The administrator may also use existing options as RSOO-enabled.
class CfgRSOO {
public:
/// @brief Constructor.
///
/// It adds the default (officially) RSOO-enabled options:
/// - OPTION_ERP_LOCAL_DOMAIN_NAME
CfgRSOO();
/// @brief Removes designation of all options as RSOO_enabled.
///
/// This method removes all designations of all options as being RSOO-enabled.
void clear();
/// @brief Returns whether specific option code is RSOO-enabled.
///
/// @param code Option code to check
/// @return true, if it is allowed in Relay-Supplied Options option
bool enabled(const uint16_t code) const;
/// @brief Marks specified option code as RSOO-enabled.
///
/// @param code option to be enabled in RSOO
void enable(const uint16_t code);
private:
/// @brief Contains a set of options that are allowed in RSOO option
///
/// RSOO stands for Relay-Supplied Options option. This is an option that
/// is inserted by the relay agent with the intention that the server will
/// echo those options back to the client. Only those options marked as
/// RSOO-enabled may appear in the RSOO. Currently only option 65 is marked
/// as such, but more options may be added in the future. See RFC6422 for details.
std::set<uint16_t> rsoo_options_;
};
/// @name Pointers to the @c CfgRSOO objects.
//@{
/// @brief Pointer to the Non-const object.
typedef boost::shared_ptr<CfgRSOO> CfgRSOOPtr;
/// @brief Pointer to the const object.
typedef boost::shared_ptr<const CfgRSOO> ConstCfgRSOOPtr;
//@}
}
}
#endif // CFG_RSOO_H
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