isc::dhcp::Dhcp4to6Ipc Class Reference

Handles DHCPv4-over-DHCPv6 IPC on the DHCPv4 server side. More...

#include <dhcp4to6_ipc.h>

Inheritance diagram for isc::dhcp::Dhcp4to6Ipc:

Public Member Functions
virtual void	open ()
	Open communication socket.
Public Member Functions inherited from isc::dhcp::Dhcp4o6IpcBase
void	close ()
	Close communication socket.
Pkt6Ptr	receive ()
	Receive message over IPC.
void	send (const Pkt6Ptr &pkt)
	Send message over IPC.

Static Public Member Functions
static void	handler (int)
	On receive handler.
static Dhcp4to6Ipc &	instance ()
	Returns pointer to the sole instance of Dhcp4to6Ipc.

Protected Member Functions
	Dhcp4to6Ipc ()
	Constructor.
virtual	~Dhcp4to6Ipc ()
	Destructor.
Protected Member Functions inherited from isc::dhcp::Dhcp4o6IpcBase
	Dhcp4o6IpcBase ()
	Constructor.
virtual	~Dhcp4o6IpcBase ()
	Destructor.
int	open (uint16_t port, EndpointType endpoint_type)
	Open communication socket (from base class).

Additional Inherited Members
Public Types inherited from isc::dhcp::Dhcp4o6IpcBase
enum	EndpointType { ENDPOINT_TYPE_V4 = 4 , ENDPOINT_TYPE_V6 = 6 }
	Endpoint type: DHCPv4 or DHCPv6 server. More...
Protected Attributes inherited from isc::dhcp::Dhcp4o6IpcBase
uint16_t	port_
	Port number configured for IPC communication.
int	socket_fd_
	Socket descriptor.

Detailed Description

Handles DHCPv4-over-DHCPv6 IPC on the DHCPv4 server side.

Definition at line 23 of file dhcp4to6_ipc.h.

Constructor & Destructor Documentation

Dhcp4to6Ipc()

isc::dhcp::Dhcp4to6Ipc::Dhcp4to6Ipc ( )

protected

Constructor.

Default constructor

Definition at line 30 of file dhcp4to6_ipc.cc.

References isc::dhcp::Dhcp4o6IpcBase::Dhcp4o6IpcBase().

Referenced by handler(), and instance().

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~Dhcp4to6Ipc()

virtual isc::dhcp::Dhcp4to6Ipc::~Dhcp4to6Ipc ( )

inlineprotectedvirtual

Destructor.

Definition at line 31 of file dhcp4to6_ipc.h.

Member Function Documentation

handler()

void isc::dhcp::Dhcp4to6Ipc::handler ( int )

static

On receive handler.

The handler processes the DHCPv4-query DHCPv6 packet and sends the DHCPv4-response DHCPv6 packet back to the DHCPv6 server

Definition at line 55 of file dhcp4to6_ipc.cc.

References Dhcp4to6Ipc(), isc::hooks::HooksManager::callCallouts(), isc::hooks::HooksManager::calloutsPresent(), D6O_DHCPV4_MSG, isc::dhcp::DBG_DHCP4_BASIC, isc::dhcp::DBG_DHCP4_DETAIL, isc::dhcp::DBG_DHCP4_DETAIL_DATA, isc::dhcp::DBG_DHCP4_HOOKS, isc::dhcp::DHCP4_DHCP4O6_BAD_PACKET, isc::dhcp::DHCP4_DHCP4O6_PACKET_RECEIVED, isc::dhcp::DHCP4_DHCP4O6_PACKET_SEND, isc::dhcp::DHCP4_DHCP4O6_PACKET_SEND_FAIL, isc::dhcp::DHCP4_DHCP4O6_RECEIVE_FAIL, isc::dhcp::DHCP4_DHCP4O6_RECEIVING, isc::dhcp::DHCP4_DHCP4O6_RESPONSE_DATA, isc::dhcp::DHCP4_HOOK_BUFFER_SEND_SKIP, isc::dhcp::getCalloutHandle(), isc::dhcp::Dhcpv4Srv::getHookIndexBuffer4Send(), isc::dhcp::ControlledDhcpv4Srv::getInstance(), isc::hooks::hooks_logger, instance(), isc_throw, LOG_DEBUG, LOG_ERROR, isc::hooks::CalloutHandle::NEXT_STEP_DROP, isc::hooks::CalloutHandle::NEXT_STEP_SKIP, isc::dhcp::packet4_logger, isc::dhcp::Dhcpv4Srv::processPacket(), isc::dhcp::Dhcpv4Srv::processStatsSent(), isc::dhcp::Dhcp4o6IpcBase::receive(), and isc::dhcp::Dhcp4o6IpcBase::send().

Referenced by open().

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instance()

Dhcp4to6Ipc & isc::dhcp::Dhcp4to6Ipc::instance ( )

static

Returns pointer to the sole instance of Dhcp4to6Ipc.

Dhcp4to6Ipc is a singleton class

Returns

the only existing instance of DHCP4o6 IPC

Definition at line 32 of file dhcp4to6_ipc.cc.

References Dhcp4to6Ipc().

Referenced by isc::dhcp::Dhcpv4Srv::~Dhcpv4Srv(), handler(), and isc::dhcp::ControlledDhcpv4Srv::processConfig().

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open()

void isc::dhcp::Dhcp4to6Ipc::open ( )

virtual

Open communication socket.

Call base open method and sets the handler/callback when needed

Implements isc::dhcp::Dhcp4o6IpcBase.

Definition at line 37 of file dhcp4to6_ipc.cc.

References isc::dhcp::IfaceMgr::addExternalSocket(), isc::dhcp::Dhcp4o6IpcBase::close(), isc::dhcp::Dhcp4o6IpcBase::ENDPOINT_TYPE_V4, isc::dhcp::CfgMgr::getStagingCfg(), handler(), isc::dhcp::CfgMgr::instance(), isc::dhcp::IfaceMgr::instance(), isc_throw, isc::dhcp::Dhcp4o6IpcBase::open(), and isc::dhcp::Dhcp4o6IpcBase::socket_fd_.

Referenced by isc::dhcp::ControlledDhcpv4Srv::processConfig().

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

• dhcp4to6_ipc.h
• dhcp4to6_ipc.cc