Common configuration parser for shared networks and subnets. More...

#include <base_network_parser.h>

Inheritance diagram for isc::dhcp::BaseNetworkParser:

Public Types
typedef std::function< void(const isc::dhcp::ClientClass &)	ClassAdderFunc)

Static Public Member Functions
static void	getAdditionalClassesElem (data::ConstElementPtr params, ClassAdderFunc adder_func)
	Fetches the element for either 'evaluate-additional-classes' or deprecated 'require-client-classes'.

Static Public Member Functions inherited from isc::data::SimpleParser
static void	checkKeywords (const SimpleKeywords &keywords, isc::data::ConstElementPtr scope)
	Checks acceptable keywords with their expected type.

static void	checkRequired (const SimpleRequiredKeywords &required, isc::data::ConstElementPtr scope)
	Checks that all required keywords are present.

static size_t	deriveParams (isc::data::ConstElementPtr parent, isc::data::ElementPtr child, const ParamsList &params)
	Derives (inherits) parameters from parent scope to a child.

static isc::asiolink::IOAddress	getAddress (const ConstElementPtr &scope, const std::string &name)
	Returns a IOAddress parameter from a scope.

static bool	getBoolean (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a boolean parameter from a scope.

static double	getDouble (const ConstElementPtr &scope, const std::string &name)
	Returns a floating point parameter from a scope.

static int64_t	getInteger (isc::data::ConstElementPtr scope, const std::string &name)
	Returns an integer parameter from a scope.

static int64_t	getInteger (isc::data::ConstElementPtr scope, const std::string &name, int64_t min, int64_t max)
	Returns an integer parameter from a scope and checks its range.

static const data::Element::Position &	getPosition (const std::string &name, const data::ConstElementPtr parent)
	Utility method that returns position of an element.

static std::string	getString (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a string parameter from a scope.

static size_t	setDefaults (isc::data::ElementPtr scope, const SimpleDefaults &default_values)
	Sets the default values.

static size_t	setListDefaults (isc::data::ConstElementPtr list, const SimpleDefaults &default_values)
	Sets the default values for all entries in a list.

Protected Member Functions
void	parseAllocatorParams (const data::ConstElementPtr &network_data, NetworkPtr &network)
	Parses parameters pertaining to allocator selection.

void	parseCacheParams (const data::ConstElementPtr &network_data, NetworkPtr &network)
	Parses parameters related to lease cache settings.

void	parseCommon (const data::ConstElementPtr &network_data, NetworkPtr &network)
	Parses common parameters.

void	parseDdnsParams (const data::ConstElementPtr &network_data, NetworkPtr &network)
	Parses parameters pertaining to DDNS behavior.

void	parseOfferLft (const data::ConstElementPtr &network_data, Network4Ptr &network)
	Parses offer-lifetime parameter (v4 only)

void	parsePdAllocatorParams (const data::ConstElementPtr &network_data, Network6Ptr &network)
	Parses parameters pertaining to prefix delegation allocator selection.

void	parseTeePercents (const data::ConstElementPtr &network_data, NetworkPtr &network)
	Parses parameters related to "percent" timers settings.

Protected Member Functions inherited from isc::data::SimpleParser
template<typename target_type , target_type convert>
target_type	getAndConvert (isc::data::ConstElementPtr scope, const std::string &name, const std::string &type_name)
	Returns a converted value from a scope.

template<typename int_type >
int_type	getIntType (isc::data::ConstElementPtr scope, const std::string &name)
	Returns an integer value with range checking from a scope.

Additional Inherited Members
Public Member Functions inherited from isc::data::SimpleParser
uint16_t	getUint16 (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a value converted to uint16_t.

uint32_t	getUint32 (isc::data::ConstElementPtr scope, const std::string &name)
	Returns a value converted to uint32_t.

uint8_t	getUint8 (ConstElementPtr scope, const std::string &name)
	Get an uint8_t value.

const isc::util::Triplet< uint32_t >	parseIntTriplet (const data::ConstElementPtr &scope, const std::string &name)
	Parses an integer triplet.

Detailed Description

Common configuration parser for shared networks and subnets.

Definition at line 20 of file base_network_parser.h.

Member Typedef Documentation

◆ ClassAdderFunc

typedef std::function<void(const isc::dhcp::ClientClass&) isc::dhcp::BaseNetworkParser::ClassAdderFunc)

Definition at line 130 of file base_network_parser.h.

Member Function Documentation

◆ getAdditionalClassesElem()

void isc::dhcp::BaseNetworkParser::getAdditionalClassesElem	(	data::ConstElementPtr	params,
		ClassAdderFunc	adder_func )

static

Fetches the element for either 'evaluate-additional-classes' or deprecated 'require-client-classes'.

Parameters

params	configuration element tree to search.
adder_func	function to add class names to an object's additional class list.

Returns: Element referred to or an empty pointer.

Exceptions

DhcpConfigError if both entries are present.

Definition at line 255 of file base_network_parser.cc.

References isc::dhcp::dhcpsrv_logger, isc::dhcp::DHCPSRV_REQUIRE_CLIENT_CLASSES_DEPRECATED, isc_throw, LOG_WARN, and isc::data::Element::string.

Referenced by isc::dhcp::Subnet4ConfigParser::initSubnet(), isc::dhcp::Subnet6ConfigParser::initSubnet(), isc::dhcp::SharedNetwork4Parser::parse(), isc::dhcp::SharedNetwork6Parser::parse(), isc::dhcp::PdPoolParser::parse(), and isc::dhcp::PoolParser::parse().

◆ parseAllocatorParams()

void isc::dhcp::BaseNetworkParser::parseAllocatorParams	(	const data::ConstElementPtr &	network_data,
		NetworkPtr &	network )

protected

Parses parameters pertaining to allocator selection.

The parsed parameters are:

allocator

Parameters

	network_data	Data element holding shared network configuration to be parsed.
[out]	network	Pointer to a network in which parsed data is to be stored.

Definition at line 212 of file base_network_parser.cc.

References isc::data::SimpleParser::getString(), and isc_throw.

Referenced by isc::dhcp::SharedNetwork4Parser::parse(), isc::dhcp::SharedNetwork6Parser::parse(), isc::dhcp::Subnet4ConfigParser::parse(), and isc::dhcp::Subnet6ConfigParser::parse().

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◆ parseCacheParams()

void isc::dhcp::BaseNetworkParser::parseCacheParams	(	const data::ConstElementPtr &	network_data,
		NetworkPtr &	network )

protected

Parses parameters related to lease cache settings.

The parsed parameters are:

cache-threshold,
cache-max-age.

Parameters

	network_data	Data element holding network configuration to be parsed.
[out]	network	Pointer to a network in which parsed data is to be stored.

Exceptions

DhcpConfigError if configuration of these parameters is invalid.

Definition at line 124 of file base_network_parser.cc.

References isc::data::SimpleParser::getDouble(), isc::data::SimpleParser::getInteger(), and isc_throw.

Referenced by isc::dhcp::Subnet4ConfigParser::initSubnet(), isc::dhcp::Subnet6ConfigParser::initSubnet(), isc::dhcp::SharedNetwork4Parser::parse(), and isc::dhcp::SharedNetwork6Parser::parse().

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◆ parseCommon()

void isc::dhcp::BaseNetworkParser::parseCommon	(	const data::ConstElementPtr &	network_data,
		NetworkPtr &	network )

protected

Parses common parameters.

The parsed parameters are:

renew-timer,
rebind-timer,
valid-lifetime,
store-extended-info
reservations-global
reservations-in-subnet
reservations-out-of-pool

Parameters

	network_data	Data element holding shared network configuration to be parsed.
[out]	network	Pointer to a network in which parsed data is to be stored.

Definition at line 22 of file base_network_parser.cc.

References isc::dhcp::DHCPSRV_CFGMGR_RENEW_GTR_REBIND, isc::dhcp::dhcpsrv_logger, isc::data::SimpleParser::getBoolean(), isc::data::SimpleParser::getInteger(), isc_throw, LOG_WARN, and isc::data::SimpleParser::parseIntTriplet().

Referenced by isc::dhcp::Subnet4ConfigParser::initSubnet(), isc::dhcp::Subnet6ConfigParser::initSubnet(), isc::dhcp::SharedNetwork4Parser::parse(), and isc::dhcp::SharedNetwork6Parser::parse().

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◆ parseDdnsParams()

void isc::dhcp::BaseNetworkParser::parseDdnsParams	(	const data::ConstElementPtr &	network_data,
		NetworkPtr &	network )

protected

Parses parameters pertaining to DDNS behavior.

The parsed parameters are:

ddns-send-updates
ddns-override-no-update
ddns-override-client-update
ddns-replace-client-name
ddns-generated-prefix
ddns-qualifying-suffix
ddns-use-conflict-resolution (retained for backward compatibility)
ddns-update-on-renew
ddns-ttl-percent
ddns-conflict-resolution-mode

Parameters

	network_data	Data element holding shared network configuration to be parsed.
[out]	network	Pointer to a network in which parsed data is to be stored.

Definition at line 141 of file base_network_parser.cc.

References isc::data::SimpleParser::getAndConvert(), isc::data::SimpleParser::getBoolean(), isc::data::SimpleParser::getDouble(), isc::data::SimpleParser::getString(), isc_throw, and isc::dhcp::D2ClientConfig::stringToReplaceClientNameMode().

Referenced by isc::dhcp::Subnet4ConfigParser::initSubnet(), isc::dhcp::Subnet6ConfigParser::initSubnet(), isc::dhcp::SharedNetwork4Parser::parse(), and isc::dhcp::SharedNetwork6Parser::parse().

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◆ parseOfferLft()

void isc::dhcp::BaseNetworkParser::parseOfferLft	(	const data::ConstElementPtr &	network_data,
		Network4Ptr &	network )

protected

Parses offer-lifetime parameter (v4 only)

Parameters

	network_data	Data element holding shared network configuration to be parsed.
[out]	network	Pointer to the v4 network in which parsed data is to be stored.

Exceptions

DhcpConfigError if the value is less than 0.

Definition at line 240 of file base_network_parser.cc.

References isc::data::SimpleParser::getInteger(), isc::data::SimpleParser::getPosition(), and isc_throw.

Referenced by isc::dhcp::Subnet4ConfigParser::initSubnet(), and isc::dhcp::SharedNetwork4Parser::parse().

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◆ parsePdAllocatorParams()

void isc::dhcp::BaseNetworkParser::parsePdAllocatorParams	(	const data::ConstElementPtr &	network_data,
		Network6Ptr &	network )

protected

Parses parameters pertaining to prefix delegation allocator selection.

The parsed parameters are:

pd-allocator

Parameters

	network_data	Data element holding shared network configuration to be parsed.
[out]	network	Pointer to a network in which parsed data is to be stored.

Definition at line 226 of file base_network_parser.cc.

References isc::data::SimpleParser::getString(), and isc_throw.

Referenced by isc::dhcp::SharedNetwork6Parser::parse(), and isc::dhcp::Subnet6ConfigParser::parse().

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◆ parseTeePercents()

void isc::dhcp::BaseNetworkParser::parseTeePercents	(	const data::ConstElementPtr &	network_data,
		NetworkPtr &	network )

protected

Parses parameters related to "percent" timers settings.

The parsed parameters are:

calculate-tee-times,
t1-percent,
t2-percent.

Parameters

	network_data	Data element holding network configuration to be parsed.
[out]	network	Pointer to a network in which parsed data is to be stored.

Exceptions

DhcpConfigError if configuration of these parameters is invalid.

Definition at line 81 of file base_network_parser.cc.

References isc::data::SimpleParser::getBoolean(), isc::data::SimpleParser::getDouble(), and isc_throw.

Referenced by isc::dhcp::Subnet4ConfigParser::initSubnet(), isc::dhcp::Subnet6ConfigParser::initSubnet(), isc::dhcp::SharedNetwork4Parser::parse(), and isc::dhcp::SharedNetwork6Parser::parse().

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

Public Types

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ ClassAdderFunc

Member Function Documentation

◆ getAdditionalClassesElem()

◆ parseAllocatorParams()

◆ parseCacheParams()

◆ parseCommon()

◆ parseDdnsParams()

◆ parseOfferLft()

◆ parsePdAllocatorParams()

◆ parseTeePercents()