#include "decode.h"
#include "util-storage.h"

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Data Structures
struct	IPPair_

struct	IPPairHashRow_

struct	IPPairConfig_

Macros
#define	HRLOCK_MUTEX

#define	HRLOCK_TYPE SCMutex

#define	HRLOCK_INIT(fb) SCMutexInit(&(fb)->lock, NULL)

#define	HRLOCK_DESTROY(fb) SCMutexDestroy(&(fb)->lock)

#define	HRLOCK_LOCK(fb) SCMutexLock(&(fb)->lock)

#define	HRLOCK_TRYLOCK(fb) SCMutexTrylock(&(fb)->lock)

#define	HRLOCK_UNLOCK(fb) SCMutexUnlock(&(fb)->lock)

#define	IPPAIR_QUIET 1

#define	IPPAIR_CHECK_MEMCAP(size) ((((uint64_t)SC_ATOMIC_GET(ippair_memuse) + (uint64_t)(size)) <= SC_ATOMIC_GET(ippair_config.memcap)))
	check if a memory alloc would fit in the memcap More...

#define	IPPairIncrUsecnt(h) (void)SC_ATOMIC_ADD((h)->use_cnt, 1)

#define	IPPairDecrUsecnt(h) (void)SC_ATOMIC_SUB((h)->use_cnt, 1)

Typedefs
typedef struct IPPair_	IPPair

typedef struct IPPairConfig_	IPPairConfig

Functions
struct IPPairHashRow_	__attribute__ ((aligned(CLS))) IPPairHashRow

	SC_ATOMIC_EXTERN (uint64_t, ippair_memuse)

	SC_ATOMIC_EXTERN (uint32_t, ippair_counter)

	SC_ATOMIC_EXTERN (uint32_t, ippair_prune_idx)

void	IPPairInitConfig (bool quiet)
	initialize the configuration More...

void	IPPairShutdown (void)
	shutdown the flow engine More...

void	IPPairCleanup (void)
	Cleanup the ippair engine. More...

IPPair *	IPPairLookupIPPairFromHash (Address , Address )
	look up a ippair in the hash More...

IPPair *	IPPairGetIPPairFromHash (Address , Address )

void	IPPairRelease (IPPair *)

void	IPPairClearMemory (IPPair *)

void	IPPairMoveToSpare (IPPair *)

void	IPPairPrintStats (void)
	print some ippair stats More...

void	IPPairRegisterUnittests (void)

IPPair *	IPPairAlloc (void)

void	IPPairFree (IPPair *)

void	IPPairUnlock (IPPair *)

int	IPPairSetMemcap (uint64_t size)
	Update memcap value. More...

uint64_t	IPPairGetMemcap (void)
	Return memcap value. More...

uint64_t	IPPairGetMemuse (void)
	Return memuse value. More...

Variables
HRLOCK_TYPE	lock

IPPair *	head

IPPair *	tail

IPPairHashRow *	ippair_hash

IPPairConfig	ippair_config

Detailed Description

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

Definition in file ippair.h.

Macro Definition Documentation

◆ HRLOCK_DESTROY

#define HRLOCK_DESTROY ( fb ) SCMutexDestroy(&(fb)->lock)

Definition at line 51 of file ippair.h.

◆ HRLOCK_INIT

#define HRLOCK_INIT ( fb ) SCMutexInit(&(fb)->lock, NULL)

Definition at line 50 of file ippair.h.

◆ HRLOCK_LOCK

#define HRLOCK_LOCK ( fb ) SCMutexLock(&(fb)->lock)

Definition at line 52 of file ippair.h.

◆ HRLOCK_MUTEX

#define HRLOCK_MUTEX

Spinlocks or Mutex for the flow buckets.

Definition at line 33 of file ippair.h.

◆ HRLOCK_TRYLOCK

#define HRLOCK_TRYLOCK ( fb ) SCMutexTrylock(&(fb)->lock)

Definition at line 53 of file ippair.h.

◆ HRLOCK_TYPE

#define HRLOCK_TYPE SCMutex

Definition at line 49 of file ippair.h.

◆ HRLOCK_UNLOCK

#define HRLOCK_UNLOCK ( fb ) SCMutexUnlock(&(fb)->lock)

Definition at line 54 of file ippair.h.

◆ IPPAIR_CHECK_MEMCAP

#define IPPAIR_CHECK_MEMCAP ( size ) ((((uint64_t)SC_ATOMIC_GET(ippair_memuse) + (uint64_t)(size)) <= SC_ATOMIC_GET(ippair_config.memcap)))

check if a memory alloc would fit in the memcap

Parameters

size	memory allocation size to check

Return values

1	it fits
0	no fit

Definition at line 106 of file ippair.h.

◆ IPPAIR_QUIET

#define IPPAIR_QUIET 1

Definition at line 90 of file ippair.h.

◆ IPPairDecrUsecnt

#define IPPairDecrUsecnt ( h ) (void)SC_ATOMIC_SUB((h)->use_cnt, 1)

Definition at line 111 of file ippair.h.

◆ IPPairIncrUsecnt

#define IPPairIncrUsecnt ( h ) (void)SC_ATOMIC_ADD((h)->use_cnt, 1)

Definition at line 109 of file ippair.h.

Typedef Documentation

◆ IPPair

typedef struct IPPair_ IPPair

◆ IPPairConfig

typedef struct IPPairConfig_ IPPairConfig

Function Documentation

◆ attribute()

struct IPPairHashRow_ __attribute__ ( (aligned(CLS)) )

◆ IPPairAlloc()

IPPair* IPPairAlloc ( void )

Definition at line 104 of file ippair.c.

References IPPAIR_CHECK_MEMCAP.

◆ IPPairCleanup()

void IPPairCleanup ( void )

Cleanup the ippair engine.

Cleanup the ippair engine from tag and threshold.

Definition at line 330 of file ippair.c.

References IPPairConfig_::hash_size, IPPair_::hnext, IPPair_::hprev, HRLOCK_LOCK, HRLOCK_UNLOCK, ippair_config, ippair_hash, IPPairClearMemory(), IPPairFreeStorage(), IPPairMoveToSpare(), and SC_ATOMIC_GET.

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◆ IPPairClearMemory()

void IPPairClearMemory ( IPPair * )

Definition at line 150 of file ippair.c.

References IPPairFreeStorage(), and IPPairStorageSize().

Referenced by IPPairCleanup(), and IPPairFree().

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◆ IPPairFree()

void IPPairFree ( IPPair * )

Definition at line 124 of file ippair.c.

References IPPairClearMemory(), IPPair_::m, SC_ATOMIC_SUB, SCFree, and SCMutexDestroy.

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◆ IPPairGetIPPairFromHash()

IPPair* IPPairGetIPPairFromHash	(	Address *	,
		Address *
	)

Definition at line 524 of file ippair.c.

◆ IPPairGetMemcap()

uint64_t IPPairGetMemcap ( void )

Return memcap value.

Return values

memcap value

Definition at line 81 of file ippair.c.

References ippair_config, and SC_ATOMIC_GET.

◆ IPPairGetMemuse()

uint64_t IPPairGetMemuse ( void )

Return memuse value.

Return values

memuse value

Definition at line 92 of file ippair.c.

References SC_ATOMIC_GET.

Referenced by AppLayerRegisterGlobalCounters().

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◆ IPPairInitConfig()

void IPPairInitConfig ( bool quiet )

initialize the configuration

Warning: Not thread safe

set config values for memcap, prealloc and hash_size

Definition at line 162 of file ippair.c.

References DEBUG_VALIDATE_BUG_ON, IPPairStorageSize(), and SCLogDebug.

Referenced by PreRunInit(), and StreamTcpUTInit().

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◆ IPPairLookupIPPairFromHash()

IPPair* IPPairLookupIPPairFromHash	(	Address *	a,
		Address *	b
	)

look up a ippair in the hash

Parameters

a	address to look up

Return values

h	LOCKED ippair or NULL

Definition at line 623 of file ippair.c.

◆ IPPairMoveToSpare()

void IPPairMoveToSpare ( IPPair * )

Definition at line 98 of file ippair.c.

References IPPairEnqueue().

Referenced by IPPairCleanup().

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◆ IPPairPrintStats()

void IPPairPrintStats ( void )

print some ippair stats

Warning: Not thread safe

Definition at line 281 of file ippair.c.

References ippair_config, SC_ATOMIC_GET, and SCLogPerf.

Referenced by IPPairShutdown().

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◆ IPPairRegisterUnittests()

void IPPairRegisterUnittests ( void )

Definition at line 755 of file ippair.c.

References RegisterIPPairStorageTests().

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◆ IPPairRelease()

void IPPairRelease ( IPPair * )

Definition at line 505 of file ippair.c.

References IPPairDecrUsecnt, IPPair_::m, and SCMutexUnlock.

◆ IPPairSetMemcap()

int IPPairSetMemcap ( uint64_t size )

Update memcap value.

Parameters

size	new memcap value

Definition at line 66 of file ippair.c.

References ippair_config, SC_ATOMIC_GET, and SC_ATOMIC_SET.

◆ IPPairShutdown()

void IPPairShutdown ( void )

shutdown the flow engine

Warning: Not thread safe

Definition at line 293 of file ippair.c.

References IPPairDequeue(), and IPPairPrintStats().

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◆ IPPairUnlock()

void IPPairUnlock ( IPPair * )

Definition at line 511 of file ippair.c.

References IPPair_::m, and SCMutexUnlock.

◆ SC_ATOMIC_EXTERN() [1/3]

SC_ATOMIC_EXTERN	(	uint32_t	,
		ippair_counter
	)

◆ SC_ATOMIC_EXTERN() [2/3]

SC_ATOMIC_EXTERN	(	uint32_t	,
		ippair_prune_idx
	)

◆ SC_ATOMIC_EXTERN() [3/3]

SC_ATOMIC_EXTERN	(	uint64_t	,
		ippair_memuse
	)

Variable Documentation

◆ head

IPPair* head

Definition at line 1 of file ippair.h.

◆ ippair_config

IPPairConfig ippair_config

Definition at line 52 of file ippair.c.

Referenced by IPPairCleanup(), IPPairGetMemcap(), IPPairPrintStats(), IPPairSetMemcap(), and IPPairTimeoutHash().

◆ ippair_hash

IPPairHashRow* ippair_hash

ippair hash table

Definition at line 49 of file ippair.c.

Referenced by IPPairCleanup(), and IPPairTimeoutHash().

◆ lock

HRLOCK_TYPE lock

Definition at line 0 of file ippair.h.

◆ tail

IPPair* tail

Definition at line 2 of file ippair.h.

Data Structures

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ HRLOCK_DESTROY

◆ HRLOCK_INIT

◆ HRLOCK_LOCK

◆ HRLOCK_MUTEX

◆ HRLOCK_TRYLOCK

◆ HRLOCK_TYPE

◆ HRLOCK_UNLOCK

◆ IPPAIR_CHECK_MEMCAP

◆ IPPAIR_QUIET

◆ IPPairDecrUsecnt

◆ IPPairIncrUsecnt

Typedef Documentation

◆ IPPair

◆ IPPairConfig

Function Documentation

◆ __attribute__()

◆ IPPairAlloc()

◆ IPPairCleanup()

◆ IPPairClearMemory()

◆ IPPairFree()

◆ IPPairGetIPPairFromHash()

◆ IPPairGetMemcap()

◆ IPPairGetMemuse()

◆ IPPairInitConfig()

◆ IPPairLookupIPPairFromHash()

◆ IPPairMoveToSpare()

◆ IPPairPrintStats()

◆ IPPairRegisterUnittests()

◆ IPPairRelease()

◆ IPPairSetMemcap()

◆ IPPairShutdown()

◆ IPPairUnlock()

◆ SC_ATOMIC_EXTERN() [1/3]

◆ SC_ATOMIC_EXTERN() [2/3]

◆ SC_ATOMIC_EXTERN() [3/3]

Variable Documentation

◆ head

◆ ippair_config

◆ ippair_hash

◆ lock

◆ tail

◆ attribute()