Interface implemented by DHCPv4 configuration backends. More...

#include <config_backend_dhcp4.h>

Inheritance diagram for isc::dhcp::ConfigBackendDHCPv4:

Public Member Functions
virtual	~ConfigBackendDHCPv4 ()
	Virtual destructor. More...

virtual void	createUpdateGlobalParameter4 (const db::ServerSelector &server_selector, const data::StampedValuePtr &value)=0
	Creates or updates global parameter. More...

virtual void	createUpdateOption4 (const db::ServerSelector &server_selector, const OptionDescriptorPtr &option)=0
	Creates or updates global option. More...

virtual void	createUpdateOption4 (const db::ServerSelector &selector, const std::string &shared_network_name, const OptionDescriptorPtr &option)=0
	Creates or updates shared network level option. More...

virtual void	createUpdateOption4 (const db::ServerSelector &server_selector, const SubnetID &subnet_id, const OptionDescriptorPtr &option)=0
	Creates or updates subnet level option. More...

virtual void	createUpdateOption4 (const db::ServerSelector &server_selector, const asiolink::IOAddress &pool_start_address, const asiolink::IOAddress &pool_end_address, const OptionDescriptorPtr &option)=0
	Creates or updates pool level option. More...

virtual void	createUpdateOptionDef4 (const db::ServerSelector &server_selector, const OptionDefinitionPtr &option_def)=0
	Creates or updates an option definition. More...

virtual void	createUpdateServer4 (const db::ServerPtr &server)=0
	Creates or updates a server. More...

virtual void	createUpdateSharedNetwork4 (const db::ServerSelector &server_selector, const SharedNetwork4Ptr &shared_network)=0
	Creates or updates a shared network. More...

virtual void	createUpdateSubnet4 (const db::ServerSelector &server_selector, const Subnet4Ptr &subnet)=0
	Creates or updates a subnet. More...

virtual uint64_t	deleteAllGlobalParameters4 (const db::ServerSelector &server_selector)=0
	Deletes all global parameters. More...

virtual uint64_t	deleteAllOptionDefs4 (const db::ServerSelector &server_selector)=0
	Deletes all option definitions. More...

virtual uint64_t	deleteAllServers4 ()=0
	Deletes all servers from the backend except the logical server 'all'. More...

virtual uint64_t	deleteAllSharedNetworks4 (const db::ServerSelector &server_selector)=0
	Deletes all shared networks. More...

virtual uint64_t	deleteAllSubnets4 (const db::ServerSelector &server_selector)=0
	Deletes all subnets. More...

virtual uint64_t	deleteGlobalParameter4 (const db::ServerSelector &server_selector, const std::string &name)=0
	Deletes global parameter. More...

virtual uint64_t	deleteOption4 (const db::ServerSelector &server_selector, const uint16_t code, const std::string &space)=0
	Deletes global option. More...

virtual uint64_t	deleteOption4 (const db::ServerSelector &selector, const std::string &shared_network_name, const uint16_t code, const std::string &space)=0
	Deletes shared network level option. More...

virtual uint64_t	deleteOption4 (const db::ServerSelector &server_selector, const SubnetID &subnet_id, const uint16_t code, const std::string &space)=0
	Deletes subnet level option. More...

virtual uint64_t	deleteOption4 (const db::ServerSelector &server_selector, const asiolink::IOAddress &pool_start_address, const asiolink::IOAddress &pool_end_address, const uint16_t code, const std::string &space)=0
	Deletes pool level option. More...

virtual uint64_t	deleteOptionDef4 (const db::ServerSelector &server_selector, const uint16_t code, const std::string &space)=0
	Deletes option definition. More...

virtual uint64_t	deleteServer4 (const data::ServerTag &server_tag)=0
	Deletes a server from the backend. More...

virtual uint64_t	deleteSharedNetwork4 (const db::ServerSelector &server_selector, const std::string &name)=0
	Deletes shared network by name. More...

virtual uint64_t	deleteSharedNetworkSubnets4 (const db::ServerSelector &server_selector, const std::string &shared_network_name)=0
	Deletes all subnets belonging to a specified shared network. More...

virtual uint64_t	deleteSubnet4 (const db::ServerSelector &server_selector, const std::string &subnet_prefix)=0
	Deletes subnet by prefix. More...

virtual uint64_t	deleteSubnet4 (const db::ServerSelector &server_selector, const SubnetID &subnet_id)=0
	Deletes subnet by identifier. More...

virtual data::StampedValueCollection	getAllGlobalParameters4 (const db::ServerSelector &selector) const =0
	Retrieves all global parameters. More...

virtual OptionDefContainer	getAllOptionDefs4 (const db::ServerSelector &server_selector) const =0
	Retrieves all option definitions. More...

virtual OptionContainer	getAllOptions4 (const db::ServerSelector &server_selector) const =0
	Retrieves all global options. More...

virtual db::ServerCollection	getAllServers4 () const =0
	Retrieves all servers. More...

virtual SharedNetwork4Collection	getAllSharedNetworks4 (const db::ServerSelector &server_selector) const =0
	Retrieves all shared networks. More...

virtual Subnet4Collection	getAllSubnets4 (const db::ServerSelector &server_selector) const =0
	Retrieves all subnets. More...

virtual data::StampedValuePtr	getGlobalParameter4 (const db::ServerSelector &selector, const std::string &name) const =0
	Retrieves global parameter value. More...

virtual data::StampedValueCollection	getModifiedGlobalParameters4 (const db::ServerSelector &selector, const boost::posix_time::ptime &modification_time) const =0
	Retrieves global parameters modified after specified time. More...

virtual OptionDefContainer	getModifiedOptionDefs4 (const db::ServerSelector &server_selector, const boost::posix_time::ptime &modification_time) const =0
	Retrieves option definitions modified after specified time. More...

virtual OptionContainer	getModifiedOptions4 (const db::ServerSelector &selector, const boost::posix_time::ptime &modification_time) const =0
	Retrieves options modified after specified time. More...

virtual SharedNetwork4Collection	getModifiedSharedNetworks4 (const db::ServerSelector &server_selector, const boost::posix_time::ptime &modification_time) const =0
	Retrieves shared networks modified after specified time. More...

virtual Subnet4Collection	getModifiedSubnets4 (const db::ServerSelector &server_selector, const boost::posix_time::ptime &modification_time) const =0
	Retrieves subnets modified after specified time. More...

virtual OptionDescriptorPtr	getOption4 (const db::ServerSelector &server_selector, const uint16_t code, const std::string &space) const =0
	Retrieves single option by code and space. More...

virtual OptionDefinitionPtr	getOptionDef4 (const db::ServerSelector &server_selector, const uint16_t code, const std::string &space) const =0
	Retrieves single option definition by code and space. More...

virtual db::AuditEntryCollection	getRecentAuditEntries (const db::ServerSelector &server_selector, const boost::posix_time::ptime &modification_time, const uint64_t &modification_id) const =0
	Retrieves the most recent audit entries. More...

virtual db::ServerPtr	getServer4 (const data::ServerTag &server_tag) const =0
	Retrieves a server. More...

virtual SharedNetwork4Ptr	getSharedNetwork4 (const db::ServerSelector &server_selector, const std::string &name) const =0
	Retrieves shared network by name. More...

virtual Subnet4Collection	getSharedNetworkSubnets4 (const db::ServerSelector &server_selector, const std::string &shared_network_name) const =0
	Retrieves all subnets belonging to a specified shared network. More...

virtual Subnet4Ptr	getSubnet4 (const db::ServerSelector &server_selector, const std::string &subnet_prefix) const =0
	Retrieves a single subnet by subnet_prefix. More...

virtual Subnet4Ptr	getSubnet4 (const db::ServerSelector &server_selector, const SubnetID &subnet_id) const =0
	Retrieves a single subnet by subnet identifier. More...

Public Member Functions inherited from isc::cb::BaseConfigBackend
virtual	~BaseConfigBackend ()
	Virtual destructor. More...

virtual std::string	getHost () const =0
	Returns backend host. More...

virtual isc::db::DatabaseConnection::ParameterMap	getParameters () const
	Return backend parameters. More...

virtual uint16_t	getPort () const =0
	Returns backend port number. More...

virtual std::string	getType () const =0
	Returns backend type in the textual format. More...

virtual bool	isUnusable ()
	Flag which indicates if the config backend has an unusable connection. More...

Detailed Description

Interface implemented by DHCPv4 configuration backends.

All POSIX times specified in the methods belonging to this class must be local times.

Below, we describe the general rules of using the server selectors when creating, updating, fetching and deleting the configuration elements from the backends. The detailed information can be found in the descriptions of the individual methods. The backend implementations must not be in conflict with the rules described here but may sometimes lack some functionality and not support some of the server selectors for some API calls. In such cases the backend's documentation should be clear about these cases and document the exceptions thrown when unsupported selector is used for a given method.

The ServerSelector class defines 5 types of selectors:

ANY: server tag/id is not a part of the database query, i.e. the object in the database is identified by some unique property, e.g. subnet identifier, shared network name etc.
UNASSIGNED: query pertains to the objects in the database which are associated with no particular server (including the logical server "all"). Objects associated with any server are never selected.
ALL: query pertains only to the objects in the database which are associated with the logical server "all". Those objects are shared between all servers using the database. This server selector never returns objects explicitly associated with the particular servers defined by the user.
ONE: query pertains to the objects used by one particular server. The server uses both the objects explicitly associated with it and and the objects associated with the logical server "all". Therefore the result returned for this server selector combines configuration elements associated with this server and with "all" servers. In case if there are two instances of the configuration information, one associated with "all" servers and one associated with the server, the information associated with the server takes precedence. When using this selector to delete objects from the database, the deletion pertains only to the objects associated with the given server tag. It doesn't delete the objects associated with "all" servers.
MULTIPLE: query pertains to the objects used by multiple servers listed in the selector. It allows for querying for a list of objects associated with multiple servers and/or logical server "all".

There are limitations imposed on the API calls what server selectors are allowed for them. Configuration Backend implementations must not be in conflict with those limitations. In particular, the implementation must not permit for server selectors which are not allowed here. However, the backend implementation may be more restrictive and not allow some of the server selectors for some API calls. This should, however, be properly documented.

Definition at line 85 of file config_backend_dhcp4.h.

Constructor & Destructor Documentation

virtual isc::dhcp::ConfigBackendDHCPv4::~ConfigBackendDHCPv4 ( )

inlinevirtual

Virtual destructor.

Definition at line 89 of file config_backend_dhcp4.h.

Member Function Documentation

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateGlobalParameter4	(	const db::ServerSelector &	server_selector,
		const data::StampedValuePtr &	value
	)

pure virtual

Creates or updates global parameter.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
value	Value of the global parameter.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateOption4	(	const db::ServerSelector &	server_selector,
		const OptionDescriptorPtr &	option
	)

pure virtual

Creates or updates global option.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
option	Option to be added or updated.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateOption4	(	const db::ServerSelector &	selector,
		const std::string &	shared_network_name,
		const OptionDescriptorPtr &	option
	)

pure virtual

Creates or updates shared network level option.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

selector	Server selector.
shared_network_name	Name of a shared network to which option belongs.
option	Option to be added or updated.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateOption4	(	const db::ServerSelector &	server_selector,
		const SubnetID &	subnet_id,
		const OptionDescriptorPtr &	option
	)

pure virtual

Creates or updates subnet level option.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

server_selector	Server selector.
subnet_id	Identifier of a subnet to which option belongs.
option	Option to be added or updated.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateOption4	(	const db::ServerSelector &	server_selector,
		const asiolink::IOAddress &	pool_start_address,
		const asiolink::IOAddress &	pool_end_address,
		const OptionDescriptorPtr &	option
	)

pure virtual

Creates or updates pool level option.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

server_selector	Server selector.
pool_start_address	Lower bound address of the pool to which the option belongs.
pool_end_address	Upper bound address of the pool to which the option belongs.
option	Option to be added or updated.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateOptionDef4	(	const db::ServerSelector &	server_selector,
		const OptionDefinitionPtr &	option_def
	)

pure virtual

Creates or updates an option definition.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
option_def	Option definition to be added or updated.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateServer4 ( const db::ServerPtr & server )

pure virtual

Creates or updates a server.

Parameters

server Instance of the server to be stored.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateSharedNetwork4	(	const db::ServerSelector &	server_selector,
		const SharedNetwork4Ptr &	shared_network
	)

pure virtual

Creates or updates a shared network.

Allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE. Not allowed server selector: ANY.

Parameters

server_selector	Server selector.
shared_network	Shared network to be added or updated.

virtual void isc::dhcp::ConfigBackendDHCPv4::createUpdateSubnet4	(	const db::ServerSelector &	server_selector,
		const Subnet4Ptr &	subnet
	)

pure virtual

Creates or updates a subnet.

Allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE. Not allowed server selector: ANY.

Parameters

server_selector	Server selector.
subnet	Subnet to be added or updated.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteAllGlobalParameters4 ( const db::ServerSelector & server_selector )

pure virtual

Deletes all global parameters.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector Server selector.

Returns: Number of deleted global parameters.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteAllOptionDefs4 ( const db::ServerSelector & server_selector )

pure virtual

Deletes all option definitions.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector Server selector.

Returns: Number of deleted option definitions.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteAllServers4 ( )

pure virtual

Deletes all servers from the backend except the logical server 'all'.

Returns: Number of deleted servers.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteAllSharedNetworks4 ( const db::ServerSelector & server_selector )

pure virtual

Deletes all shared networks.

Allowed server selectors: UNASSIGNED, ALL, ONE. Not allowed server selectors: ANY, MULTIPLE.

Parameters

server_selector Server selector.

Returns: Number of deleted shared networks.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteAllSubnets4 ( const db::ServerSelector & server_selector )

pure virtual

Deletes all subnets.

Allowed server selectors: UNASSIGNED, ALL, ONE. Not allowed server selectors: ANY, MULTIPLE.

Parameters

server_selector Server selector.

Returns: Number of deleted subnets.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteGlobalParameter4	(	const db::ServerSelector &	server_selector,
		const std::string &	name
	)

pure virtual

Deletes global parameter.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
name	Name of the global parameter to be deleted.

Returns: Number of deleted global parameters.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteOption4	(	const db::ServerSelector &	server_selector,
		const uint16_t	code,
		const std::string &	space
	)

pure virtual

Deletes global option.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
code	Code of the option to be deleted.
space	Option space of the option to be deleted.

Returns: Number of deleted options.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteOption4	(	const db::ServerSelector &	selector,
		const std::string &	shared_network_name,
		const uint16_t	code,
		const std::string &	space
	)

pure virtual

Deletes shared network level option.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

selector	Server selector.
shared_network_name	Name of the shared network which option belongs to.
code	Code of the option to be deleted.
space	Option space of the option to be deleted.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteOption4	(	const db::ServerSelector &	server_selector,
		const SubnetID &	subnet_id,
		const uint16_t	code,
		const std::string &	space
	)

pure virtual

Deletes subnet level option.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

server_selector	Server selector.
subnet_id	Identifier of the subnet to which deleted option belongs.
code	Code of the deleted option.
space	Option space of the deleted option.

Returns: Number of deleted options.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteOption4	(	const db::ServerSelector &	server_selector,
		const asiolink::IOAddress &	pool_start_address,
		const asiolink::IOAddress &	pool_end_address,
		const uint16_t	code,
		const std::string &	space
	)

pure virtual

Deletes pool level option.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

server_selector	Server selector.
pool_start_address	Lower bound address of the pool to which deleted option belongs.
pool_end_address	Upper bound address of the pool to which the deleted option belongs.
code	Code of the deleted option.
space	Option space of the deleted option.

Returns: Number of deleted options.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteOptionDef4	(	const db::ServerSelector &	server_selector,
		const uint16_t	code,
		const std::string &	space
	)

pure virtual

Deletes option definition.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
code	Code of the option to be deleted.
space	Option space of the option to be deleted.

Returns: Number of deleted option definitions.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteServer4 ( const data::ServerTag & server_tag )

pure virtual

Deletes a server from the backend.

Parameters

server_tag Tag of the server to be deleted.

Returns: Number of deleted servers.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteSharedNetwork4	(	const db::ServerSelector &	server_selector,
		const std::string &	name
	)

pure virtual

Deletes shared network by name.

Allowed server selectors: ANY, UNASSIGNED, ALL, ONE. Not allowed server selector: MULTIPLE.

Parameters

server_selector	Server selector.
name	Name of the shared network to be deleted.

Returns: Number of deleted shared networks.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteSharedNetworkSubnets4	(	const db::ServerSelector &	server_selector,
		const std::string &	shared_network_name
	)

pure virtual

Deletes all subnets belonging to a specified shared network.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

server_selector	Server selector.
shared_network_name	Name of the shared network for which the deleted subnets should belongs to.

Returns: Number of deleted subnets.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteSubnet4	(	const db::ServerSelector &	server_selector,
		const std::string &	subnet_prefix
	)

pure virtual

Deletes subnet by prefix.

Allowed server selectors: ANY, UNASSIGNED, ALL, ONE. Not allowed server selector: MULTIPLE.

Parameters

server_selector	Server selector.
subnet_prefix	Prefix of the subnet to be deleted.

Returns: Number of deleted subnets.

virtual uint64_t isc::dhcp::ConfigBackendDHCPv4::deleteSubnet4	(	const db::ServerSelector &	server_selector,
		const SubnetID &	subnet_id
	)

pure virtual

Deletes subnet by identifier.

Allowed server selectors: ANY, UNASSIGNED, ALL, ONE. Not allowed server selector: MULTIPLE.

Parameters

server_selector	Server selector.
subnet_id	Identifier of the subnet to be deleted.

Returns: Number of deleted subnets.

virtual data::StampedValueCollection isc::dhcp::ConfigBackendDHCPv4::getAllGlobalParameters4 ( const db::ServerSelector & selector ) const

pure virtual

Retrieves all global parameters.

Allowed server selectors: ALL, ONE, MULTIPLE. Not allowed server selectors: ANY, UNASSIGNED.

Parameters

selector Server selector.

Returns: Collection of global parameters.

virtual OptionDefContainer isc::dhcp::ConfigBackendDHCPv4::getAllOptionDefs4 ( const db::ServerSelector & server_selector ) const

pure virtual

Retrieves all option definitions.

Allowed server selectors: ALL, ONE, MULTIPLE. Not allowed server selectors: ANY, UNASSIGNED.

Parameters

server_selector Server selector.

Returns: Collection of option definitions or empty collection if no option definition found.

virtual OptionContainer isc::dhcp::ConfigBackendDHCPv4::getAllOptions4 ( const db::ServerSelector & server_selector ) const

pure virtual

Retrieves all global options.

Allowed server selectors: ALL, ONE, MULTIPLE. Not allowed server selectors: ANY, UNASSIGNED.

Parameters

server_selector Server selector.

Returns: Collection of global options or empty collection if no option found.

virtual db::ServerCollection isc::dhcp::ConfigBackendDHCPv4::getAllServers4 ( ) const

pure virtual

Retrieves all servers.

This method returns the list of servers excluding the logical server 'all'.

Returns: Collection of servers from the backend.

virtual SharedNetwork4Collection isc::dhcp::ConfigBackendDHCPv4::getAllSharedNetworks4 ( const db::ServerSelector & server_selector ) const

pure virtual

Retrieves all shared networks.

Allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE. Not allowed server selector: ANY.

Parameters

server_selector Server selector.

Returns: Collection of shared network or empty collection if no shared network found.

virtual Subnet4Collection isc::dhcp::ConfigBackendDHCPv4::getAllSubnets4 ( const db::ServerSelector & server_selector ) const

pure virtual

Retrieves all subnets.

Allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE. Not allowed server selector: ANY.

Parameters

server_selector Server selector.

Returns: Collection of subnets or empty collection if no subnet found.

virtual data::StampedValuePtr isc::dhcp::ConfigBackendDHCPv4::getGlobalParameter4	(	const db::ServerSelector &	selector,
		const std::string &	name
	)		const

pure virtual

Retrieves global parameter value.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

selector	Server selector.
name	Name of the global parameter to be retrieved.

Returns: Value of the global parameter or null if parameter doesn't exist.

virtual data::StampedValueCollection isc::dhcp::ConfigBackendDHCPv4::getModifiedGlobalParameters4	(	const db::ServerSelector &	selector,
		const boost::posix_time::ptime &	modification_time
	)		const

pure virtual

Retrieves global parameters modified after specified time.

Allowed server selectors: ALL, ONE, MULTIPLE. Not allowed server selectors: ANY, UNASSIGNED.

Parameters

selector	Server selector.
modification_time	Modification time.

Returns: Collection of modified global parameters.

virtual OptionDefContainer isc::dhcp::ConfigBackendDHCPv4::getModifiedOptionDefs4	(	const db::ServerSelector &	server_selector,
		const boost::posix_time::ptime &	modification_time
	)		const

pure virtual

Retrieves option definitions modified after specified time.

Allowed server selectors: ALL, ONE, MULTIPLE. Not allowed server selectors: ANY, UNASSIGNED.

Parameters

server_selector	Server selector.
modification_time	Lower bound option definition modification time.

Returns: Collection of option definitions or empty collection if no option definition found.

virtual OptionContainer isc::dhcp::ConfigBackendDHCPv4::getModifiedOptions4	(	const db::ServerSelector &	selector,
		const boost::posix_time::ptime &	modification_time
	)		const

pure virtual

Retrieves options modified after specified time.

Allowed server selectors: ALL, ONE, MULTIPLE. Not allowed server selectors: ANY, UNASSIGNED.

Parameters

selector	Server selector.
modification_time	Lower bound option modification time.

Returns: Collection of global options or empty collection if no option found.

virtual SharedNetwork4Collection isc::dhcp::ConfigBackendDHCPv4::getModifiedSharedNetworks4	(	const db::ServerSelector &	server_selector,
		const boost::posix_time::ptime &	modification_time
	)		const

pure virtual

Retrieves shared networks modified after specified time.

Allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE. Not allowed server selector: ANY.

Parameters

server_selector	Server selector.
modification_time	Lower bound shared network modification time.

Returns: Collection of shared network or empty collection if no shared network found.

virtual Subnet4Collection isc::dhcp::ConfigBackendDHCPv4::getModifiedSubnets4	(	const db::ServerSelector &	server_selector,
		const boost::posix_time::ptime &	modification_time
	)		const

pure virtual

Retrieves subnets modified after specified time.

Allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE. Not allowed server selector: ANY.

Parameters

server_selector	Server selector.
modification_time	Lower bound subnet modification time.

Returns: Collection of subnets or empty collection if no subnet found.

virtual OptionDescriptorPtr isc::dhcp::ConfigBackendDHCPv4::getOption4	(	const db::ServerSelector &	server_selector,
		const uint16_t	code,
		const std::string &	space
	)		const

pure virtual

Retrieves single option by code and space.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
code	Option code.
space	Option space.

Returns: Pointer to the retrieved option descriptor or null if no option was found.

virtual OptionDefinitionPtr isc::dhcp::ConfigBackendDHCPv4::getOptionDef4	(	const db::ServerSelector &	server_selector,
		const uint16_t	code,
		const std::string &	space
	)		const

pure virtual

Retrieves single option definition by code and space.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
code	Code of the option to be retrieved.
space	Option space of the option to be retrieved.

Returns: Pointer to the option definition or NULL if not found.

virtual db::AuditEntryCollection isc::dhcp::ConfigBackendDHCPv4::getRecentAuditEntries	(	const db::ServerSelector &	server_selector,
		const boost::posix_time::ptime &	modification_time,
		const uint64_t &	modification_id
	)		const

pure virtual

Retrieves the most recent audit entries.

Allowed server selectors: ALL, ONE. Not allowed server selectors: ANY, UNASSIGNED, MULTIPLE.

Parameters

server_selector	Server selector.
modification_time	Timestamp being a lower limit for the returned result set, i.e. entries later than specified time are returned.
modification_id	Identifier being a lower limit for the returned result set, used when two (or more) entries have the same modification_time.

Returns: Collection of audit entries.

virtual db::ServerPtr isc::dhcp::ConfigBackendDHCPv4::getServer4 ( const data::ServerTag & server_tag ) const

pure virtual

Retrieves a server.

Parameters

server_tag Tag of the server to be retrieved.

Returns: Pointer to the server instance or null pointer if no server with the particular tag was found.

virtual SharedNetwork4Ptr isc::dhcp::ConfigBackendDHCPv4::getSharedNetwork4	(	const db::ServerSelector &	server_selector,
		const std::string &	name
	)		const

pure virtual

Retrieves shared network by name.

Allowed server selectors: ANY, UNASSIGNED, ALL, ONE. Not allowed server selector: MULTIPLE.

Parameters

server_selector	Server selector.
name	Name of the shared network to be retrieved.

Returns: Pointer to the shared network or NULL if not found.

virtual Subnet4Collection isc::dhcp::ConfigBackendDHCPv4::getSharedNetworkSubnets4	(	const db::ServerSelector &	server_selector,
		const std::string &	shared_network_name
	)		const

pure virtual

Retrieves all subnets belonging to a specified shared network.

Allowed server selector: ANY. Not allowed server selectors: UNASSIGNED, ALL, ONE, MULTIPLE.

Parameters

server_selector	Server selector.
shared_network_name	Name of the shared network for which the retrieved subnets should belongs to.

Returns: Collection of subnets or empty collection if no subnet found.

virtual Subnet4Ptr isc::dhcp::ConfigBackendDHCPv4::getSubnet4	(	const db::ServerSelector &	server_selector,
		const std::string &	subnet_prefix
	)		const

pure virtual

Retrieves a single subnet by subnet_prefix.

Allowed server selectors: ANY, UNASSIGNED, ALL, ONE. Not allowed server selector: MULTIPLE.

Parameters

server_selector	Server selector.
subnet_prefix	Prefix of the subnet to be retrieved.

Returns: Pointer to the retrieved subnet or NULL if not found.

virtual Subnet4Ptr isc::dhcp::ConfigBackendDHCPv4::getSubnet4	(	const db::ServerSelector &	server_selector,
		const SubnetID &	subnet_id
	)		const

pure virtual

Retrieves a single subnet by subnet identifier.

Allowed server selectors: ANY, UNASSIGNED, ALL, ONE. Not allowed server selector: MULTIPLE.

Parameters

server_selector	Server selector.
subnet_id	Identifier of a subnet to be retrieved.

Returns: Pointer to the retrieved subnet or NULL if not found.

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

config_backend_dhcp4.h

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation