bootp_callouts.cc File Reference

#include <config.h>
#include <bootp_log.h>
#include <hooks/hooks.h>
#include <dhcp/pkt4.h>
#include <process/daemon.h>
#include <stats/stats_mgr.h>
#include <vector>

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Functions
int	buffer4_receive (CalloutHandle &handle)
	This callout is called at the "buffer4_receive" hook.
int	load (LibraryHandle &)
	This function is called when the library is loaded.
int	multi_threading_compatible ()
	This function is called to retrieve the multi-threading compatibility.
int	pkt4_send (CalloutHandle &handle)
	This callout is called at the "pkt4_send" hook.
int	unload ()
	This function is called when the library is unloaded.

Function Documentation

buffer4_receive()

int buffer4_receive

(

CalloutHandle &

handle

)

This callout is called at the "buffer4_receive" hook.

Ignore DHCP and BOOTREPLY messages. Remaining packets should be BOOTP requests so add the BOOTP client class and set the message type to DHCPREQUEST.

Parameters

handle

CalloutHandle.

Returns

0 upon success, non-zero otherwise.

Definition at line 68 of file bootp_callouts.cc.

References isc::stats::StatsMgr::addValue(), BOOTP_BOOTP_QUERY, isc::bootp::bootp_logger, BOOTP_PACKET_OPTIONS_SKIPPED, BOOTP_PACKET_UNPACK_FAILED, isc::dhcp::BOOTREQUEST, isc::log::DBGLVL_TRACE_BASIC, isc::dhcp::DHCP_NOTYPE, isc::dhcp::DHCPREQUEST, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::stats::StatsMgr::instance(), LOG_DEBUG, isc::hooks::CalloutHandle::NEXT_STEP_DROP, isc::hooks::CalloutHandle::NEXT_STEP_SKIP, isc::hooks::CalloutHandle::setStatus(), and isc::Exception::what().

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load()

int load

(

LibraryHandle &

)

This function is called when the library is loaded.

Returns

always 0.

Definition at line 189 of file bootp_callouts.cc.

References BOOTP_LOAD, isc::bootp::bootp_logger, isc::process::Daemon::getProcName(), isc_throw, and LOG_INFO.

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multi_threading_compatible()

int multi_threading_compatible

(

)

This function is called to retrieve the multi-threading compatibility.

Returns

1 which means compatible with multi-threading.

Definition at line 210 of file bootp_callouts.cc.

pkt4_send()

int pkt4_send

(

CalloutHandle &

handle

)

This callout is called at the "pkt4_send" hook.

Remove DHCP specific options and pad the buffer to 300 octets.

Parameters

handle

CalloutHandle.

Returns

0 upon success, non-zero otherwise.

Definition at line 132 of file bootp_callouts.cc.

References isc::bootp::bootp_logger, BOOTP_PACKET_PACK, BOOTP_PACKET_PACK_FAIL, isc::log::DBGLVL_TRACE_BASIC, isc::hooks::CalloutHandle::getArgument(), isc::util::OutputBuffer::getLength(), isc::hooks::CalloutHandle::getStatus(), isc_throw, LOG_DEBUG, LOG_ERROR, isc::hooks::CalloutHandle::NEXT_STEP_DROP, isc::hooks::CalloutHandle::NEXT_STEP_SKIP, isc::hooks::CalloutHandle::setStatus(), and isc::util::OutputBuffer::writeData().

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unload()

int unload

(

)

This function is called when the library is unloaded.

Returns

always 0.

Definition at line 202 of file bootp_callouts.cc.

References isc::bootp::bootp_logger, BOOTP_UNLOAD, and LOG_INFO.