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// Copyright (C) 2018-2021 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 ISC_TRANSLATOR_OPTION_DEF_H
#define ISC_TRANSLATOR_OPTION_DEF_H 1
#include <yang/translator.h>
#include <list>
namespace isc {
namespace yang {
/// @brief Option definition translation between YANG and JSON
///
/// JSON syntax for Kea DHCP servers is:
/// @code
/// {
/// "code": <code>,
/// "name": <name>,
/// "space": <space>,
/// "type": <type>,
/// "array": <array flag>,
/// "encapsulate": <encapsulated space>,
/// "record-types": <record types>,
/// "user-context": { <json map> },
/// "comment": "<comment>"
/// }
/// @endcode
///
/// YANG syntax for kea-dhcp[46] with code and space as keys is:
/// @code
/// +--rw option-def* [code space]
/// +--rw code uint8
/// +--rw space string
/// +--rw name string
/// +--rw type string
/// +--rw record-types? string
/// +--rw encapsulate? string
/// +--rw array? boolean
/// +--rw user-context? user-context
/// @endcode
///
/// An example in JSON and YANG formats:
/// @code
/// [
/// {
/// "code": 100,
/// "name": "foo",
/// "space": "isc",
/// "type": "string",
/// "array": false
/// }
/// ]
/// @endcode
/// @code
/// /kea-dhcp6-server:config (container)
/// /kea-dhcp6-server:config/
/// option-def[code='100'][space='isc'] (list instance)
/// /kea-dhcp6-server:config/
/// option-def[code='100'][space='isc']/code = 100
/// /kea-dhcp6-server:config/
/// option-def[code='100'][space='isc']/space = isc
/// /kea-dhcp6-server:config/
/// option-def[code='100'][space='isc']/name = foo
/// /kea-dhcp6-server:config/
/// option-def[code='100'][space='isc']/type = string
/// /kea-dhcp6-server:config/
/// option-def[code='100'][space='isc']/array = false
/// @endcode
/// @brief A translator class for converting an option definition between
/// YANG and JSON.
///
/// Currently supports kea-dhcp[46]-server models.
/// @todo: Support for ietf-dhcpv6-server model.
class TranslatorOptionDef : virtual public TranslatorBasic {
public:
/// @brief Constructor.
///
/// @param session Sysrepo session.
/// @param model Model name.
TranslatorOptionDef(sysrepo::S_Session session, const std::string& model);
/// @brief Destructor.
virtual ~TranslatorOptionDef();
/// @brief Get and translate an option definition from YANG to JSON.
///
/// @param xpath The xpath of the option definition.
/// @return JSON representation of the option definition.
/// @throw SysrepoError when sysrepo raises an error.
isc::data::ElementPtr getOptionDef(const std::string& xpath);
/// @brief Translate and set option definition from JSON to YANG.
///
/// @param xpath The xpath of the option definition..
/// @param elem The JSON element.
void setOptionDef(const std::string& xpath,
isc::data::ConstElementPtr elem);
protected:
/// @brief getOptionDef implementation specific to kea-dhcp[46]-server models.
///
/// @param xpath The xpath of the option definition.
/// @return JSON representation of the option definition.
/// @throw SysrepoError when sysrepo raises an error.
/// @throw BadValue on option definition without name or type.
isc::data::ElementPtr getOptionDefKea(const std::string& xpath);
/// @brief setOptionDef implementation specific to kea-dhcp[46]-server models.
///
/// @param xpath The xpath of the option definition.
/// @param elem The JSON element.
/// @throw BadValue on option definition without name or type.
void setOptionDefKea(const std::string& xpath,
isc::data::ConstElementPtr elem);
};
// @brief A translator class for converting an option definition list
// between YANG and JSON.
//
/// Currently supports kea-dhcp[46]-server models.
/// @todo: Support for ietf-dhcpv6-server model.
class TranslatorOptionDefList : virtual public TranslatorOptionDef {
public:
/// @brief Constructor.
///
/// @param session Sysrepo session.
/// @param model Model name.
TranslatorOptionDefList(sysrepo::S_Session session,
const std::string& model);
/// @brief Destructor.
virtual ~TranslatorOptionDefList();
/// @brief Get and translate option definition list from YANG to JSON.
///
/// @param xpath The xpath of the option definition list.
/// @throw SysrepoError when sysrepo raises an error.
isc::data::ConstElementPtr getOptionDefList(const std::string& xpath);
/// @brief Translate and set option definition list from JSON to YANG.
///
/// @param xpath The xpath of the option definition list.
/// @param elem The JSON element.
void setOptionDefList(const std::string& xpath,
isc::data::ConstElementPtr elem);
protected:
/// @brief getOptionDefList implementation specific to kea-dhcp[46]-server
/// models.
///
/// @param xpath The xpath of the option definition list.
/// @throw SysrepoError when sysrepo raises an error.
isc::data::ConstElementPtr getOptionDefListKea(const std::string& xpath);
/// @brief setOptionDefList implementation specific to kea-dhcp[46]-server
/// models.
///
/// @param xpath The xpath of the option definition list.
/// @param elem The JSON element.
/// @throw BadValue on option definition without code or space.
void setOptionDefListKea(const std::string& xpath,
isc::data::ConstElementPtr elem);
};
} // namespace yang
} // namespace isc
#endif // ISC_TRANSLATOR_OPTION_DEF_H
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