Implements parser for IPv4 shared networks. More...

#include <shared_network_parser.h>

Inheritance diagram for isc::dhcp::SharedNetwork4Parser:

Public Member Functions
	SharedNetwork4Parser (bool check_iface=true)
	Constructor.

virtual	~SharedNetwork4Parser ()
	Virtual destructor.

SharedNetwork4Ptr	parse (const data::ConstElementPtr &shared_network_data, bool encapsulate_options=true)
	Parses shared configuration information for IPv4 shared network.

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.

Protected Member Functions
virtual boost::shared_ptr< OptionDataListParser >	createOptionDataListParser () const
	Returns an instance of the `OptionDataListParser` to be used in parsing the option-data structure.

virtual boost::shared_ptr< Subnets4ListConfigParser >	createSubnetsListParser () const
	Returns an instance of the `Subnets4ListConfigParser` to be used for parsing the subnets within the shared network.

Protected Member Functions inherited from isc::dhcp::BaseNetworkParser
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.

Protected Attributes
bool	check_iface_
	Check if the specified interface exists in the system.

Additional Inherited Members
Public Types inherited from isc::dhcp::BaseNetworkParser
typedef std::function< void(const isc::dhcp::ClientClass &)	ClassAdderFunc)

Static Public Member Functions inherited from isc::dhcp::BaseNetworkParser
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.

Detailed Description

Implements parser for IPv4 shared networks.

Definition at line 24 of file shared_network_parser.h.

Constructor & Destructor Documentation

◆ SharedNetwork4Parser()

isc::dhcp::SharedNetwork4Parser::SharedNetwork4Parser ( bool check_iface = true )

Constructor.

Parameters

check_iface Check if the specified interface exists in the system.

Definition at line 30 of file shared_network_parser.cc.

◆ ~SharedNetwork4Parser()

virtual isc::dhcp::SharedNetwork4Parser::~SharedNetwork4Parser ( )

inlinevirtual

Virtual destructor.

Definition at line 33 of file shared_network_parser.h.

Member Function Documentation

◆ createOptionDataListParser()

boost::shared_ptr< OptionDataListParser > isc::dhcp::SharedNetwork4Parser::createOptionDataListParser ( ) const

protectedvirtual

Returns an instance of the OptionDataListParser to be used in parsing the option-data structure.

This function can be overridden in the child classes to supply a custom parser for option data.

Returns: an instance of the OptionDataListParser(AF_INET).

Definition at line 214 of file shared_network_parser.cc.

Referenced by parse().

◆ createSubnetsListParser()

boost::shared_ptr< Subnets4ListConfigParser > isc::dhcp::SharedNetwork4Parser::createSubnetsListParser ( ) const

protectedvirtual

Returns an instance of the Subnets4ListConfigParser to be used for parsing the subnets within the shared network.

This function can be overridden in the child classes to supply a custom parser for the subnets.

Returns: an instance of the Subnets4ListConfigParser.

Definition at line 220 of file shared_network_parser.cc.

References check_iface_.

Referenced by parse().

◆ parse()

SharedNetwork4Ptr isc::dhcp::SharedNetwork4Parser::parse	(	const data::ConstElementPtr &	shared_network_data,
		bool	encapsulate_options = true )

Parses shared configuration information for IPv4 shared network.

Parameters

shared_network_data	Data element holding shared network configuration to be parsed.
encapsulate_options	a boolean parameter indicating if the parsed options should be encapsulated with suboptions.

Returns: Pointer to an object representing shared network.

Exceptions

DhcpConfigError when shared network configuration is invalid.

Definition at line 35 of file shared_network_parser.cc.

References isc::dhcp::Network::addAdditionalClass(), check_iface_, isc::data::SimpleParser::checkKeywords(), createOptionDataListParser(), createSubnetsListParser(), isc::db::error, isc::dhcp::BaseNetworkParser::getAdditionalClassesElem(), isc::data::SimpleParser::getBoolean(), isc::data::SimpleParser::getString(), isc::dhcp::IfaceMgr::instance(), isc::dhcp::CfgMgr::instance(), isc_throw, isc::dhcp::Pkt4::MAX_FILE_LEN, isc::dhcp::Pkt4::MAX_SNAME_LEN, isc::dhcp::RelayInfoParser::parse(), isc::dhcp::BaseNetworkParser::parseAllocatorParams(), isc::dhcp::BaseNetworkParser::parseCacheParams(), isc::dhcp::BaseNetworkParser::parseCommon(), isc::dhcp::BaseNetworkParser::parseDdnsParams(), isc::dhcp::BaseNetworkParser::parseOfferLft(), isc::dhcp::BaseNetworkParser::parseTeePercents(), isc::dhcp::SimpleParser4::SHARED_NETWORK4_PARAMETERS, isc::dhcp::Option::V4, and isc::Exception::what().

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Member Data Documentation

◆ check_iface_

bool isc::dhcp::SharedNetwork4Parser::check_iface_

protected

Check if the specified interface exists in the system.

Definition at line 70 of file shared_network_parser.h.

Referenced by createSubnetsListParser(), and parse().

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

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members