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// Copyright (C) 2015,2017 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 EXPIRATION_CONFIG_PARSER_H
#define EXPIRATION_CONFIG_PARSER_H
#include <cc/data.h>
#include <cc/simple_parser.h>
namespace isc {
namespace dhcp {
/// @brief Parser for the configuration parameters pertaining to the
/// processing of expired leases.
///
/// This parser iterates over parameters stored in the map and tries to
/// set the appropriate values in the @c CfgExpiration object of the
/// Configuration Manager.
///
/// Currently supported parameters are:
/// - reclaim-timer-wait-time,
/// - flush-reclaimed-timer-wait-time,
/// - hold-reclaimed-time,
/// - max-reclaim-leases,
/// - max-reclaim-time,
/// - unwarned-reclaim-cycles.
///
/// These parameters are optional and the default values are used for
/// those that aren't specified.
///
/// The parser checks if the values of the specified parameters are within
/// the allowed ranges and throws exception if they aren't. Each parameter
/// has a corresponding maximum value defined in the @c CfgExpiration class.
/// None of them may be negative.
class ExpirationConfigParser : public isc::data::SimpleParser {
public:
/// @brief Destructor.
virtual ~ExpirationConfigParser() { }
/// @brief Parses parameters in the JSON map, pertaining to the processing
/// of the expired leases.
///
/// @param expiration_config pointer to the content of parsed values
///
/// @throw DhcpConfigError if unknown parameter specified or the
/// parameter contains invalid value..
void parse(isc::data::ConstElementPtr expiration_config);
};
} // end of namespace isc::dhcp
} // end of namespace isc
#endif // EXPIRATION_CONFIG_PARSER_H
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