Holds a collection of functions which generate commands used for High Availability. More...

#include <command_creator.h>

Static Public Member Functions
static data::ConstElementPtr	createDHCPDisable (const unsigned int origin_id, const unsigned int max_period, const HAServerType &server_type)
	Creates dhcp-disable command for DHCP server.

static data::ConstElementPtr	createDHCPEnable (const unsigned int origin_id, const HAServerType &server_type)
	Creates dhcp-enable command for DHCP server.

static data::ConstElementPtr	createHAReset (const std::string &server_name, const HAServerType &server_type)
	Creates ha-reset command.

static data::ConstElementPtr	createHeartbeat (const std::string &server_name, const HAServerType &server_type)
	Creates ha-heartbeat command for DHCP server.

static data::ConstElementPtr	createLease4Delete (const dhcp::Lease4 &lease4)
	Creates lease4-del command.

static data::ConstElementPtr	createLease4GetAll ()
	Creates lease4-get-all command.

static data::ConstElementPtr	createLease4GetPage (const dhcp::Lease4Ptr &lease4, const uint32_t limit)
	Creates lease4-get-page command.

static data::ConstElementPtr	createLease4Update (const dhcp::Lease4 &lease4)
	Creates lease4-update command.

static data::ConstElementPtr	createLease6BulkApply (const dhcp::Lease6CollectionPtr &leases, const dhcp::Lease6CollectionPtr &deleted_leases)
	Creates lease6-bulk-apply command.

static data::ConstElementPtr	createLease6BulkApply (LeaseUpdateBacklog &leases)
	Creates lease6-bulk-apply command.

static data::ConstElementPtr	createLease6Delete (const dhcp::Lease6 &lease6)
	Creates lease6-del command.

static data::ConstElementPtr	createLease6GetAll ()
	Creates lease6-get-all command.

static data::ConstElementPtr	createLease6GetPage (const dhcp::Lease6Ptr &lease6, const uint32_t limit)
	Creates lease6-get-page command.

static data::ConstElementPtr	createLease6Update (const dhcp::Lease6 &lease6)
	Creates lease6-update command.

static data::ConstElementPtr	createMaintenanceNotify (const std::string &server_name, const bool cancel, const int state, const HAServerType &server_type)
	Creates ha-maintenance-notify command.

static data::ConstElementPtr	createSyncCompleteNotify (const unsigned int origin_id, const std::string &server_name, const HAServerType &server_type)
	Creates ha-sync-complete-notify command.

Static Public Attributes
static std::unordered_set< std::string >	ha_commands4_
	List of commands used by the High Availability in v4.

static std::unordered_set< std::string >	ha_commands6_
	List of commands used by the High Availability in v6.

Detailed Description

Holds a collection of functions which generate commands used for High Availability.

Definition at line 22 of file command_creator.h.

Member Function Documentation

◆ createDHCPDisable()

ConstElementPtr isc::ha::CommandCreator::createDHCPDisable	(	const unsigned int	origin_id,
		const unsigned int	max_period,
		const HAServerType &	server_type )

static

Creates dhcp-disable command for DHCP server.

Parameters

origin_id	A numeric value of the origin created from the `HAService` identifier.
max_period	The max-period time the service can stay disabled before automatically transitioning to enabled state.
server_type	type of the DHCP server, i.e. v4 or v6.

Returns: Pointer to the JSON representation of the command.

Definition at line 42 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), and isc::data::Element::createMap().

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◆ createDHCPEnable()

ConstElementPtr isc::ha::CommandCreator::createDHCPEnable	(	const unsigned int	origin_id,
		const HAServerType &	server_type )

static

Creates dhcp-enable command for DHCP server.

Parameters

origin_id	A numeric value of the origin created from the `HAService` identifier.
server_type	type of the DHCP server, i.e. v4 or v6.

Returns: Pointer to the JSON representation of the command.

Definition at line 60 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), and isc::data::Element::createMap().

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◆ createHAReset()

ConstElementPtr isc::ha::CommandCreator::createHAReset	(	const std::string &	server_name,
		const HAServerType &	server_type )

static

Creates ha-reset command.

Parameters

server_name	name of the server sending the command allowing for associating the command with the relationship.
server_type	type of the DHCP server, i.e. v4 or v6.

Returns: Pointer to the JSON representation of the command.

Definition at line 73 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), and isc::data::Element::createMap().

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◆ createHeartbeat()

ConstElementPtr isc::ha::CommandCreator::createHeartbeat	(	const std::string &	server_name,
		const HAServerType &	server_type )

static

Creates ha-heartbeat command for DHCP server.

Parameters

server_name	name of the server sending the command allowing for associating the command with the relationship.
server_type	type of the DHCP server, i.e. v4 or v6.

Returns: Pointer to the JSON representation of the command.

Definition at line 83 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), and isc::data::Element::createMap().

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◆ createLease4Delete()

ConstElementPtr isc::ha::CommandCreator::createLease4Delete ( const dhcp::Lease4 & lease4 )

static

Creates lease4-del command.

Parameters

lease4 Reference to a lease for which the command should be created.

Returns: Pointer to the JSON representation of the command.

Definition at line 104 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::ha::DHCPv4, and isc::dhcp::Lease4::toElement().

Referenced by isc::ha::HAService::asyncSendLeaseUpdates().

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◆ createLease4GetAll()

ConstElementPtr isc::ha::CommandCreator::createLease4GetAll ( )

static

Creates lease4-get-all command.

Returns: Pointer to the JSON representation of the command.

Definition at line 114 of file command_creator.cc.

References isc::config::createCommand(), and isc::ha::DHCPv4.

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◆ createLease4GetPage()

ConstElementPtr isc::ha::CommandCreator::createLease4GetPage	(	const dhcp::Lease4Ptr &	lease4,
		const uint32_t	limit )

static

Creates lease4-get-page command.

Parameters

lease4	Pointer to the last lease returned on the previous page of leases. This lease is used to set the value of the "from" parameter in the lease4-get-page command. If this command is sent to fetch the first page, the `lease4` parameter should be set to null.
limit	Limit of leases on the page.

Returns: Pointer to the JSON representation of the command.

Definition at line 121 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::data::Element::createMap(), isc::ha::DHCPv4, and isc_throw.

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◆ createLease4Update()

ConstElementPtr isc::ha::CommandCreator::createLease4Update ( const dhcp::Lease4 & lease4 )

static

Creates lease4-update command.

It adds "force-create" parameter to the lease information to force the remote server to create the lease if it doesn't exist in its lease database.

Parameters

lease4 Reference to a lease for which the command should be created.

Returns: Pointer to the JSON representation of the command.

Definition at line 93 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::ha::DHCPv4, and isc::dhcp::Lease4::toElement().

Referenced by isc::ha::HAService::asyncSendLeaseUpdates().

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◆ createLease6BulkApply() [1/2]

ConstElementPtr isc::ha::CommandCreator::createLease6BulkApply	(	const dhcp::Lease6CollectionPtr &	leases,
		const dhcp::Lease6CollectionPtr &	deleted_leases )

static

Creates lease6-bulk-apply command.

Parameters

leases	Pointer to the collection of leases to be created or/and updated.
deleted_leases	Pointer to the collection of leases to be deleted.

Returns: Pointer to the JSON representation of the command.

Definition at line 146 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::data::Element::createList(), isc::data::Element::createMap(), and isc::ha::DHCPv6.

Referenced by isc::ha::HAService::asyncSendLeaseUpdates().

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◆ createLease6BulkApply() [2/2]

ConstElementPtr isc::ha::CommandCreator::createLease6BulkApply ( LeaseUpdateBacklog & leases )

static

Creates lease6-bulk-apply command.

This command pops the leases from the backlog. As a result, the backlog is empty after calling this function.

Parameters

leases Reference to the collection of DHCPv6 leases backlog.

Returns: Pointer to the JSON representation of the command.

Definition at line 181 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::data::Element::createList(), isc::data::Element::createMap(), isc::ha::LeaseUpdateBacklog::DELETE, isc::ha::DHCPv6, and isc::ha::LeaseUpdateBacklog::pop().

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◆ createLease6Delete()

ConstElementPtr isc::ha::CommandCreator::createLease6Delete ( const dhcp::Lease6 & lease6 )

static

Creates lease6-del command.

Parameters

lease6 Reference to a lease for which the command should be created.

Returns: Pointer to the JSON representation of the command.

Definition at line 219 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::ha::DHCPv6, and isc::dhcp::Lease6::toElement().

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◆ createLease6GetAll()

ConstElementPtr isc::ha::CommandCreator::createLease6GetAll ( )

static

Creates lease6-get-all command.

Returns: Pointer to the JSON representation of the command.

Definition at line 229 of file command_creator.cc.

References isc::config::createCommand(), and isc::ha::DHCPv6.

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◆ createLease6GetPage()

ConstElementPtr isc::ha::CommandCreator::createLease6GetPage	(	const dhcp::Lease6Ptr &	lease6,
		const uint32_t	limit )

static

Creates lease6-get-page command.

Parameters

lease6	Pointer to the last lease returned on the previous page of leases. This lease is used to set the value of the "from" parameter in the lease6-get-page command. If this command is sent to fetch the first page, the `lease6` parameter should be set to null.
limit	Limit of leases on the page.

Returns: Pointer to the JSON representation of the command.

Definition at line 236 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::data::Element::createMap(), isc::ha::DHCPv6, and isc_throw.

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◆ createLease6Update()

ConstElementPtr isc::ha::CommandCreator::createLease6Update ( const dhcp::Lease6 & lease6 )

static

Creates lease6-update command.

It adds "force-create" parameter to the lease information to force the remote server to create the lease if it doesn't exist in its lease database.

Parameters

lease6 Reference to a lease for which the command should be created.

Returns: Pointer to the JSON representation of the command.

Definition at line 208 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::ha::DHCPv6, and isc::dhcp::Lease6::toElement().

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◆ createMaintenanceNotify()

ConstElementPtr isc::ha::CommandCreator::createMaintenanceNotify	(	const std::string &	server_name,
		const bool	cancel,
		const int	state,
		const HAServerType &	server_type )

static

Creates ha-maintenance-notify command.

Parameters

server_name	name of the server sending the command allowing for associating the command with the relationship.
cancel	boolean value indicating if the maintenance is being cancelled (true) or requested (false).
state	server state.
server_type	type of the DHCP server, i.e. v4 or v6.

Returns: Pointer to the JSON representation of the command.

Definition at line 261 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), isc::data::Element::createMap(), and isc::ha::stateToString().

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◆ createSyncCompleteNotify()

ConstElementPtr isc::ha::CommandCreator::createSyncCompleteNotify	(	const unsigned int	origin_id,
		const std::string &	server_name,
		const HAServerType &	server_type )

static

Creates ha-sync-complete-notify command.

Parameters

origin_id	a numeric value of the origin created from the `HAService` identifier to enable the DHCP service.
server_name	name of the server sending the command allowing for associating the command with the relationship.
server_type	type of the DHCP server, i.e. v4 or v6.

Returns: Pointer to the JSON representation of the command.

Definition at line 275 of file command_creator.cc.

References isc::data::Element::create(), isc::config::createCommand(), and isc::data::Element::createMap().

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Member Data Documentation

◆ ha_commands4_

unordered_set< string > isc::ha::CommandCreator::ha_commands4_

static

Initial value:

= {
    "list-commands", "status-get",
    "dhcp-disable", "dhcp-enable",
    "ha-reset", "ha-heartbeat",
    "lease4-update", "lease4-del",
    "lease4-get-all", "lease4-get-page",
    "ha-maintenance-notify", "ha-sync-complete-notify"
}

List of commands used by the High Availability in v4.

Definition at line 202 of file command_creator.h.

Referenced by isc::ha::HAService::HAService().

◆ ha_commands6_

unordered_set< string > isc::ha::CommandCreator::ha_commands6_

static

Initial value:

= {
    "list-commands", "status-get",
    "dhcp-disable", "dhcp-enable",
    "ha-reset", "ha-heartbeat",
    "lease6-bulk-apply",
    "lease6-update", "lease6-del",
    "lease6-get-all", "lease6-get-page",
    "ha-maintenance-notify", "ha-sync-complete-notify"
}

List of commands used by the High Availability in v6.

Definition at line 205 of file command_creator.h.

Referenced by isc::ha::HAService::HAService().

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

Static Public Member Functions

Static Public Attributes

Detailed Description

Member Function Documentation

◆ createDHCPDisable()

◆ createDHCPEnable()

◆ createHAReset()

◆ createHeartbeat()

◆ createLease4Delete()

◆ createLease4GetAll()

◆ createLease4GetPage()

◆ createLease4Update()

◆ createLease6BulkApply() [1/2]

◆ createLease6BulkApply() [2/2]

◆ createLease6Delete()

◆ createLease6GetAll()

◆ createLease6GetPage()

◆ createLease6Update()

◆ createMaintenanceNotify()

◆ createSyncCompleteNotify()

Member Data Documentation

◆ ha_commands4_

◆ ha_commands6_