#include "suricata-common.h"
#include "util-prefilter.h"

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Functions
int	PmqSetup (PrefilterRuleStore *pmq)
	Setup a pmq. More...

int	PrefilterAddSidsResize (PrefilterRuleStore *pmq, uint32_t new_size)
	Add array of Signature IDs to rule ID array. More...

void	PmqReset (PrefilterRuleStore *pmq)
	Reset a Pmq for reusage. Meant to be called after a single search. More...

void	PmqCleanup (PrefilterRuleStore *pmq)
	Cleanup a Pmq. More...

void	PmqFree (PrefilterRuleStore *pmq)
	Cleanup and free a Pmq. More...

Detailed Description

Author: Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Pattern matcher utility Functions

Definition in file util-prefilter.c.

Function Documentation

◆ PmqCleanup()

void PmqCleanup ( PrefilterRuleStore * pmq )

Cleanup a Pmq.

Parameters

pmq	Pattern matcher queue to be cleaned up.

Definition at line 113 of file util-prefilter.c.

References PrefilterRuleStore_::rule_id_array, and SCFree.

Referenced by PmqFree().

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◆ PmqFree()

void PmqFree ( PrefilterRuleStore * pmq )

Cleanup and free a Pmq.

Parameters

pmq	Pattern matcher queue to be free'd.

Definition at line 126 of file util-prefilter.c.

References PmqCleanup().

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◆ PmqReset()

void PmqReset ( PrefilterRuleStore * pmq )

Reset a Pmq for reusage. Meant to be called after a single search.

Parameters

pmq	Pattern matcher to be reset.

Todo:: memset is expensive, but we need it as we merge pmq's. We might use a flag so we can clear pmq's the old way if we can.

Definition at line 102 of file util-prefilter.c.

References PMQ_RESET.

◆ PmqSetup()

int PmqSetup ( PrefilterRuleStore * pmq )

Setup a pmq.

Parameters

pmq	Pattern matcher queue to be initialized

Return values

-1	error
0	ok

Definition at line 37 of file util-prefilter.c.

References PrefilterRuleStore_::rule_id_array, PrefilterRuleStore_::rule_id_array_cnt, PrefilterRuleStore_::rule_id_array_size, SCEnter, SCMalloc, SCReturnInt, and SigIntId.

◆ PrefilterAddSidsResize()

int PrefilterAddSidsResize	(	PrefilterRuleStore *	pmq,
		uint32_t	new_size
	)

Add array of Signature IDs to rule ID array.

Checks size of the array first

Parameters

pmq	storage for match results
new_size	number of Signature IDs needing to be stored.

Definition at line 70 of file util-prefilter.c.

References PrefilterRuleStore_::rule_id_array, PrefilterRuleStore_::rule_id_array_size, SCLogError, SCRealloc, SigIntId, and unlikely.