Prefix delegation pool translation between YANG and JSON. More...

#include <translator_pd_pool.h>

Inheritance diagram for isc::yang::TranslatorPdPool:

Public Member Functions
	TranslatorPdPool (sysrepo::Session session, const std::string &model)
	Constructor.

virtual	~TranslatorPdPool ()=default
	Destructor.

isc::data::ElementPtr	getPdPool (libyang::DataNode const &data_node)
	Translate a pd-pool from YANG to JSON.

isc::data::ElementPtr	getPdPoolFromAbsoluteXpath (std::string const &xpath)
	Translate a pd-pool from YANG to JSON.

void	setPdPool (const std::string &xpath, isc::data::ConstElementPtr elem)
	Translate and set pd-pool from JSON to YANG.

Public Member Functions inherited from isc::yang::TranslatorOptionDataList
	TranslatorOptionDataList (sysrepo::Session session, const std::string &model)
	Constructor.

virtual	~TranslatorOptionDataList ()=default
	Destructor.

isc::data::ConstElementPtr	getOptionDataList (libyang::DataNode const &data_node)
	Translate option data list from YANG to JSON.

isc::data::ConstElementPtr	getOptionDataListFromAbsoluteXpath (std::string const &xpath)
	Translate option data list from YANG to JSON.

void	setOptionDataList (const std::string &xpath, isc::data::ConstElementPtr elem)
	Translate and set option data list from JSON to YANG.

Public Member Functions inherited from isc::yang::TranslatorOptionData
	TranslatorOptionData (sysrepo::Session session, const std::string &model)
	Constructor.

virtual	~TranslatorOptionData ()=default
	Destructor.

isc::data::ElementPtr	getOptionData (libyang::DataNode const &data_node)
	Translate an option data from YANG to JSON.

isc::data::ElementPtr	getOptionDataFromAbsoluteXpath (std::string const &xpath)
	Translate an option data from YANG to JSON.

void	setOptionData (const std::string &xpath, isc::data::ConstElementPtr elem)
	Translate and set option data from JSON to YANG.

Public Member Functions inherited from isc::yang::Translator
	Translator (sysrepo::Session session, const std::string &model)
	Constructor.

virtual	~Translator ()=default
	Destructor.

template<typename T >
void	checkAndGet (isc::data::ElementPtr const &storage, libyang::DataNode const &data_node, std::string const &xpath, T translate) const
	Calls {translate} for the element found at {xpath} relative to {data_node} and sets the result in {storage} with the {xpath} key.

void	checkAndGetAndJsonifyLeaf (isc::data::ElementPtr &storage, libyang::DataNode const &data_node, const std::string &name) const
	Retrieves a child YANG data node identified by name from the given parent YANG container node, converts it from string to JSON and stores it in the specified storage.

template<typename T >
void	checkAndGetDiverging (isc::data::ElementPtr const &storage, libyang::DataNode const &data_node, std::string const &key, std::string const &xpath, T translate) const
	Calls {translate} for the element found at {xpath} relative to {data_node} and sets the result in {storage} with the {key} key.

void	checkAndGetDivergingLeaf (isc::data::ElementPtr &storage, libyang::DataNode const &data_node, std::string const &name, std::string const &yang_name) const
	Retrieves a child YANG data node identified by name from the given parent YANG container node and stores it in the specified storage.

void	checkAndGetLeaf (isc::data::ElementPtr &storage, libyang::DataNode const &data_node, std::string const &name) const
	Retrieves a child YANG data node identified by name from the given parent YANG container node and stores it in the specified storage.

void	checkAndSetDivergingLeaf (isc::data::ConstElementPtr const &from, std::string const &xpath, std::string const &name, std::string const &yang_name, libyang::LeafBaseType const type)
	Get an element from given ElementPtr node and set it in sysrepo at given xpath.

void	checkAndSetLeaf (isc::data::ConstElementPtr const &from, std::string const &xpath, std::string const &name, libyang::LeafBaseType const type)
	Get an element from given ElementPtr node and set it in sysrepo at given xpath.

void	checkAndSetLeafList (isc::data::ConstElementPtr const &from, std::string const &xpath, std::string const &name, libyang::LeafBaseType const type)
	Get an element from given ElementPtr node and set it in sysrepo at given xpath as a leaf-list.

void	checkAndSetUserContext (isc::data::ConstElementPtr const &from, std::string const &xpath)
	Get an element from given ElementPtr node and set it in sysrepo at given xpath.

void	checkAndStringifyAndSetLeaf (isc::data::ConstElementPtr const &from, std::string const &xpath, std::string const &name)
	Get an element from given ElementPtr node and set it in sysrepo at given xpath.

void	deleteItem (const std::string &xpath)
	Delete basic value from YANG.

libyang::DataNode	findXPath (std::string const &xpath) const
	Retrieves a YANG data node by xpath.

template<typename functor_t >
void	forAll (std::string const &xpath, functor_t f) const
	Run a function for a node and all its children.

std::optional< libyang::DataNode >	getData (std::string const &xpath) const
	Get a YANG data node found at the given absolute xpath.

isc::data::ElementPtr	getItem (libyang::DataNode const &data_node, std::string const &xpath) const
	Translate a basic value from YANG to JSON for a given xpath that is relative to the given source node.

isc::data::ElementPtr	getItemFromAbsoluteXpath (std::string const &xpath) const
	Translate a basic value from YANG to JSON for a given absolute xpath.

template<typename T >
isc::data::ElementPtr	getList (libyang::DataNode const &data_node, std::string const &xpath, T &t, isc::data::ElementPtr(T::*f)(libyang::DataNode const &)) const
	Retrieve a list as ElementPtr from sysrepo from a certain xpath.

void	getMandatoryDivergingLeaf (isc::data::ElementPtr &storage, libyang::DataNode const &data_node, std::string const &name, std::string const &yang_name) const
	Retrieves a child YANG data node identified by one name from the given parent YANG container node and stores it in the specified storage under a different name.

void	getMandatoryLeaf (isc::data::ElementPtr &storage, libyang::DataNode const &data_node, std::string const &name) const
	Retrieves a child YANG data node identified by name from the given parent YANG container node and stores it in the specified storage.

bool	schemaNodeExists (std::string const &xpath) const
	Checks whether a YANG node exists in the schema.

void	setItem (const std::string &xpath, isc::data::ConstElementPtr const elem, libyang::LeafBaseType const type)
	Translate and set basic value from JSON to YANG.

void	setMandatoryDivergingLeaf (isc::data::ConstElementPtr const &from, std::string const &xpath, std::string const &name, std::string const &yang_name, libyang::LeafBaseType const type)
	Get an element from given ElementPtr node and set it in sysrepo at given xpath.

void	setMandatoryLeaf (isc::data::ConstElementPtr const &from, std::string const &xpath, std::string const &name, libyang::LeafBaseType const type)
	Get an element from given ElementPtr node and set it in sysrepo at given xpath.

Protected Member Functions
isc::data::ElementPtr	getPdPoolIetf6 (libyang::DataNode const &data_node)
	getPdPool for ietf-dhcpv6-server.

isc::data::ElementPtr	getPdPoolKea (libyang::DataNode const &data_node)
	getPdPool for kea-dhcp6-server.

void	setPdPoolIetf6 (const std::string &xpath, isc::data::ConstElementPtr elem)
	setPdPool for ietf-dhcpv6-server.

void	setPdPoolKea (const std::string &xpath, isc::data::ConstElementPtr elem)
	setPdPool for kea-dhcp6-server.

Protected Member Functions inherited from isc::yang::TranslatorOptionDataList
isc::data::ConstElementPtr	getOptionDataListKea (libyang::DataNode const &data_node)
	getOptionDataList for kea-dhcp[46].

void	setOptionDataListKea (const std::string &xpath, isc::data::ConstElementPtr elem)
	setOptionDataList for kea-dhcp[46].

Protected Member Functions inherited from isc::yang::TranslatorOptionData
isc::data::ElementPtr	getOptionDataKea (libyang::DataNode const &data_node)
	getOptionData JSON for kea-dhcp[46].

void	setOptionDataKea (const std::string &xpath, isc::data::ConstElementPtr elem)
	setOptionData for kea-dhcp[46].

Additional Inherited Members
Static Public Member Functions inherited from isc::yang::Translator
static isc::data::ElementPtr	translateFromYang (std::optional< libyang::DataNode > data_node)
	Translate basic value from the given YANG data node to JSON element.

static std::optional< std::string >	translateToYang (isc::data::ConstElementPtr const &elem, libyang::LeafBaseType const type)
	Translate basic value from JSON to YANG.

Protected Types inherited from isc::yang::Translator
using	Deserializer = std::unordered_map< libyang::LeafBaseType, std::function< isc::data::ElementPtr const (std::string const &)> >
	Maps YANG types to functions that transform a YANG type into an ElementPtr.

using	Serializer = std::unordered_map< libyang::LeafBaseType, std::function< std::string const (std::string const &)> >
	Maps YANG types to functions that transform the string representation of an Element into a string that can be passed into Session::setItem().

Static Protected Member Functions inherited from isc::yang::Translator
static std::string	decode64 (std::string const &input)
	Decode a YANG element of binary type to a string that can be stored in an Element::string JSON.

static std::string	encode64 (std::string const &input)
	Encode a string such that it can be stored in a YANG element of binary type.

static Deserializer	initializeDeserializer ()
	Initializes the deserializer which is used to translate a YANG node to an ElementPtr.

static Serializer	initializeSerializer ()
	Initializes the serializer which is used to translate the string value of an Element to a string that can be passed into Session::setItem().

Protected Attributes inherited from isc::yang::Translator
std::string	model_
	The model.

sysrepo::Session	session_
	The sysrepo session.

Detailed Description

Prefix delegation pool translation between YANG and JSON.

JSON syntax for kea-dhcp6-server is:

{
    "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>"
}

YANG syntax for ietf-dhcpv6-server is with pool-id as the key.

+--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

YANG syntax for kea-dhcp6-server is with prefix as the key.

+--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

An example in JSON and YANG formats:

[
    {
        "prefix": "2001:db8:0:1000::",
        "prefix-len": 56,
        "delegated-len": 64
    }
]

/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

/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

A translator class for converting a pd-pool between YANG and JSON.

Currently supported models:

kea-dhcp6-server
ietf-dhcpv6-server (partial support)

Definition at line 116 of file translator_pd_pool.h.

Constructor & Destructor Documentation

◆ TranslatorPdPool()

isc::yang::TranslatorPdPool::TranslatorPdPool	(	sysrepo::Session	session,
		const std::string &	model
	)

Constructor.

Parameters

session	Sysrepo session.
model	Model name.

Definition at line 24 of file translator_pd_pool.cc.

◆ ~TranslatorPdPool()

virtual isc::yang::TranslatorPdPool::~TranslatorPdPool ( )

virtualdefault

Destructor.

Member Function Documentation

◆ getPdPool()

ElementPtr isc::yang::TranslatorPdPool::getPdPool ( libyang::DataNode const & data_node )

Translate a pd-pool from YANG to JSON.

Parameters

data_node the YANG node representing the PD pool

Returns: the JSON representation of the PD pool

Exceptions

BadValue	on pd-pool without well formed prefix.
NetconfError	when sysrepo raises an error.

Definition at line 31 of file translator_pd_pool.cc.

References getPdPoolIetf6(), getPdPoolKea(), isc_throw, isc::yang::Translator::model_, and isc::Exception::what().

Referenced by getPdPoolFromAbsoluteXpath(), and isc::yang::TranslatorPdPools::getPdPoolsCommon().

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◆ getPdPoolFromAbsoluteXpath()

ElementPtr isc::yang::TranslatorPdPool::getPdPoolFromAbsoluteXpath ( std::string const & xpath )

Translate a pd-pool from YANG to JSON.

Parameters

xpath The xpath of the pd-pool.

Returns: JSON representation of the pd-pool.

Exceptions

BadValue	on pd-pool without well formed prefix.
NetconfError	when sysrepo raises an error.

Definition at line 48 of file translator_pd_pool.cc.

References isc::yang::Translator::findXPath(), and getPdPool().

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◆ getPdPoolIetf6()

ElementPtr isc::yang::TranslatorPdPool::getPdPoolIetf6 ( libyang::DataNode const & data_node )

protected

getPdPool for ietf-dhcpv6-server.

Parameters

data_node the YANG node representing the PD pool

Returns: JSON representation of the pd-pool.

Exceptions

NetconfError when sysrepo raises an error.

Definition at line 57 of file translator_pd_pool.cc.

References isc::yang::Translator::checkAndGetDivergingLeaf(), isc::yang::Translator::checkAndGetLeaf(), isc::data::Element::create(), isc::data::Element::createMap(), isc::yang::Translator::getItem(), isc::yang::Translator::getMandatoryDivergingLeaf(), and isc_throw.

Referenced by getPdPool().

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◆ getPdPoolKea()

ElementPtr isc::yang::TranslatorPdPool::getPdPoolKea ( libyang::DataNode const & data_node )

protected

getPdPool for kea-dhcp6-server.

Parameters

data_node the YANG node representing the PD pool

Returns: JSON representation of the pd-pool.

Exceptions

NetconfError when sysrepo raises an error.

Definition at line 96 of file translator_pd_pool.cc.

References isc::yang::Translator::checkAndGetAndJsonifyLeaf(), isc::yang::Translator::checkAndGetLeaf(), isc::data::Element::create(), isc::data::Element::createMap(), isc::yang::Translator::getItem(), isc::yang::TranslatorOptionDataList::getOptionDataList(), and isc_throw.

Referenced by getPdPool().

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◆ setPdPool()

void isc::yang::TranslatorPdPool::setPdPool	(	const std::string &	xpath,
		isc::data::ConstElementPtr	elem
	)

Translate and set pd-pool from JSON to YANG.

Parameters

xpath	The xpath of the pd-pool.
elem	The JSON element.

Definition at line 165 of file translator_pd_pool.cc.

References isc_throw, isc::yang::Translator::model_, setPdPoolIetf6(), setPdPoolKea(), and isc::Exception::what().

Referenced by isc::yang::TranslatorPdPools::setPdPoolsId(), and isc::yang::TranslatorPdPools::setPdPoolsPrefix().

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◆ setPdPoolIetf6()

void isc::yang::TranslatorPdPool::setPdPoolIetf6	(	const std::string &	xpath,
		isc::data::ConstElementPtr	elem
	)

protected

setPdPool for ietf-dhcpv6-server.

Parameters

xpath	The xpath of the pd-pool.
elem	The JSON element.

Exceptions

BadValue on pd-pool without prefix or prefix length.

Definition at line 183 of file translator_pd_pool.cc.

References isc::yang::Translator::checkAndSetDivergingLeaf(), isc::yang::Translator::checkAndSetLeaf(), isc::data::Element::create(), isc_throw, and isc::yang::Translator::setItem().

Referenced by setPdPool().

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◆ setPdPoolKea()

void isc::yang::TranslatorPdPool::setPdPoolKea	(	const std::string &	xpath,
		isc::data::ConstElementPtr	elem
	)

protected

setPdPool for kea-dhcp6-server.

Parameters

xpath	The xpath of the pd-pool.
elem	The JSON element.

Definition at line 212 of file translator_pd_pool.cc.

References isc::yang::Translator::checkAndSetLeaf(), isc::yang::Translator::checkAndSetLeafList(), isc::yang::Translator::checkAndSetUserContext(), isc::data::Element::create(), isc::yang::Translator::setItem(), and isc::yang::TranslatorOptionDataList::setOptionDataList().

Referenced by setPdPool().

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The documentation for this class was generated from the following files:

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TranslatorPdPool()

◆ ~TranslatorPdPool()

Member Function Documentation

◆ getPdPool()

◆ getPdPoolFromAbsoluteXpath()

◆ getPdPoolIetf6()

◆ getPdPoolKea()

◆ setPdPool()

◆ setPdPoolIetf6()

◆ setPdPoolKea()