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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_PD_POOL_H
#define ISC_TRANSLATOR_PD_POOL_H 1
#include <yang/translator_option_data.h>
#include <list>
namespace isc {
namespace yang {
/// Prefix delegation pool translation between YANG and JSON
///
/// JSON syntax for kea-dhcp6-server is:
/// @code
/// {
/// "prefix": <prefix base>,
/// "prefix-len": <prefix length>,
/// "delegated-len": <delegated length>,
/// "excluded-prefix": <excluded prefix>,
/// "excluded-prefix-len": <excluded prefix length>,
/// "option-data": [ <list of option data> ],
/// "client-class": "<guard class name>",
/// "require-client-classes": [ <list of required class names> ],
/// "user-context": { <json map> },
/// "comment": "<comment>"
/// }
/// @endcode
///
/// YANG syntax for ietf-dhcpv6-server is with pool-id as the key.
/// @code
/// +--rw pool-id uint32
/// +--rw prefix inet:ipv6-prefix
/// +--rw prefix-length uint8
/// +--rw valid-lifetime yang:timeticks
/// +--rw renew-time yang:timeticks
/// +--rw rebind-time yang:timeticks
/// +--rw preferred-lifetime yang:timeticks
/// +--rw rapid-commit? boolean
/// +--rw client-class? string
/// +--rw max-pd-space-utilization? threshold
/// +--rw option-set-id?
/// /server/server-config/option-sets/option-set/option-set-id
/// @endcode
///
/// YANG syntax for kea-dhcp6-server is with prefix as the key.
/// @code
/// +--rw pd-pool* [prefix]
/// +--rw prefix inet:ipv6-prefix
/// +--rw delegated-len? uint8
/// +--rw option-data* [code space]
/// +--rw client-class? string
/// +--rw require-client-classes* string
/// +--rw excluded-prefix? inet:ipv6-prefix
/// +--rw user-context? user-context
/// @endcode
///
/// An example in JSON and YANG formats:
/// @code
/// [
/// {
/// "prefix": "2001:db8:0:1000::",
/// "prefix-len": 56,
/// "delegated-len": 64
/// }
/// ]
/// @endcode
/// @code
/// /ietf-dhcpv6-server:server (container)
/// /ietf-dhcpv6-server:server/server-config (container)
/// /ietf-dhcpv6-server:server/server-config/network-ranges (container)
/// /ietf-dhcpv6-server:server/server-config/network-ranges
/// network-range[network-range-id='111'] (list instance)
/// /ietf-dhcpv6-server:server/server-config/network-ranges
/// network-range[network-range-id='111']/network-range-id = 111
/// /ietf-dhcpv6-server:server/server-config/network-ranges
/// network-range[network-range-id='111']/network-prefix = 2001:db8::/48
/// /ietf-dhcpv6-server:server/server-config/network-ranges
/// network-range[network-range-id='111']/pd-pools (container)
/// /ietf-dhcpv6-server:server/server-config/network-ranges
/// network-range[network-range-id='111']/pd-pools/
/// pd-pool[pool-id='0'] (list instance)
/// /ietf-dhcpv6-server:server/server-config/network-ranges/
/// pd-pool[pool-id='0']/pool-id = 0
/// network-range[network-range-id='111']/pd-pools/
/// pd-pool[pool-id='0']/prefix = 2001:db8:0:1000::/56
/// /ietf-dhcpv6-server:server/server-config/network-ranges
/// network-range[network-range-id='111']/pd-pools/
/// pd-pool[pool-id='0']/prefix-length = 56
/// /ietf-dhcpv6-server:server/server-config/network-ranges
/// network-range[network-range-id='111']/pd-pools/
/// pd-pool[pool-id='0']/max-pd-space-utilization = disabled
/// @endcode
/// @code
/// /kea-dhcp6-server:config (container)
/// /kea-dhcp6-server:config/subnet6[id='111'] (list instance)
/// /kea-dhcp6-server:config/subnet6[id='111']/id = 111
/// /kea-dhcp6-server:config/subnet6[id='111']/subnet = 2001:db8::/48
/// /kea-dhcp6-server:config/subnet6[id='111']/
/// pd-pool[prefix='2001:db8:0:1000::/56' (list instance)
/// /kea-dhcp6-server:config/subnet6[id='111']/
/// pd-pool[prefix='2001:db8:0:1000::/56'/prefix = 2001:db8:0:1000::/56
/// /kea-dhcp6-server:config/subnet6[id='111']/
/// pd-pool[prefix='2001:db8:0:1000::/56'/delegated-len = 64
/// @endcode
/// @brief A translator class for converting a pd-pool between
/// YANG and JSON.
///
/// Currently supported models:
/// - kea-dhcp6-server
/// - ietf-dhcpv6-server (partial support)
class TranslatorPdPool : virtual public TranslatorOptionDataList {
public:
/// @brief Constructor.
///
/// @param session Sysrepo session.
/// @param model Model name.
TranslatorPdPool(sysrepo::S_Session session, const std::string& model);
/// @brief Destructor.
virtual ~TranslatorPdPool();
/// @brief Get and translate a pd-pool from YANG to JSON.
///
/// @param xpath The xpath of the pd-pool.
/// @return JSON representation of the pd-pool.
/// @throw SysrepoError when sysrepo raises an error.
/// @throw BadValue on pd-pool without well formed prefix.
isc::data::ElementPtr getPdPool(const std::string& xpath);
/// @brief Translate and set pd-pool from JSON to YANG.
///
/// @param xpath The xpath of the pd-pool.
/// @param elem The JSON element.
void setPdPool(const std::string& xpath, isc::data::ConstElementPtr elem);
protected:
/// @brief getPdPool for ietf-dhcpv6-server.
///
/// @param xpath The xpath of the pd-pool.
/// @return JSON representation of the pd-pool.
/// @throw SysrepoError when sysrepo raises an error.
isc::data::ElementPtr getPdPoolIetf6(const std::string& xpath);
/// @brief setPdPool for ietf-dhcpv6-server.
///
/// @param xpath The xpath of the pd-pool.
/// @param elem The JSON element.
/// @throw BadValue on pd-pool without prefix or prefix length.
void setPdPoolIetf6(const std::string& xpath,
isc::data::ConstElementPtr elem);
/// @brief getPdPool for kea-dhcp6-server.
///
/// @param xpath The xpath of the pd-pool.
/// @return JSON representation of the pd-pool.
/// @throw SysrepoError when sysrepo raises an error.
isc::data::ElementPtr getPdPoolKea(const std::string& xpath);
/// @brief setPdPool for kea-dhcp6-server.
///
/// @param xpath The xpath of the pd-pool.
/// @param elem The JSON element.
void setPdPoolKea(const std::string& xpath,
isc::data::ConstElementPtr elem);
};
/// @brief A translator class for converting a pd-pool list between
/// YANG and JSON.
///
/// Currently supports the following models:
/// - kea-dhcp6-server
/// - ietf-dhcpv6-server (partial support)
class TranslatorPdPools : virtual public TranslatorPdPool {
public:
/// @brief Constructor.
///
/// @param session Sysrepo session.
/// @param model Model name.
TranslatorPdPools(sysrepo::S_Session session, const std::string& model);
/// @brief Destructor.
virtual ~TranslatorPdPools();
/// @brief Get and translate pd-pools from YANG to JSON.
///
/// @param xpath The xpath of the pd-pool list.
/// @throw SysrepoError when sysrepo raises an error.
isc::data::ElementPtr getPdPools(const std::string& xpath);
/// @brief Translate and set pd-pools from JSON to YANG.
///
/// @param xpath The xpath of the pd-pool list.
/// @param elem The JSON element.
void setPdPools(const std::string& xpath, isc::data::ConstElementPtr elem);
protected:
/// @brief getPdPools common part.
///
/// @param xpath The xpath of the pd-pool list.
/// @throw SysrepoError when sysrepo raises an error.
isc::data::ElementPtr getPdPoolsCommon(const std::string& xpath);
/// @brief setPdPools using pool-id.
///
/// @param xpath The xpath of the pd-pool list.
/// @param elem The JSON element.
void setPdPoolsId(const std::string& xpath,
isc::data::ConstElementPtr elem);
/// @brief setPdPools using prefix.
///
/// @param xpath The xpath of the pd-pool list.
/// @param elem The JSON element.
/// @throw BadValue on pd-pool without prefix or prefix length.
void setPdPoolsPrefix(const std::string& xpath,
isc::data::ConstElementPtr elem);
};
} // namespace yang
} // namespace isc
#endif // ISC_TRANSLATOR_PD_POOL_H
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