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

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Data Structures
struct	Host_

struct	HostHashRow_

struct	HostConfig_

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	HOST_VERBOSE 0

#define	HOST_QUIET 1

#define	HOST_CHECK_MEMCAP(size) ((((uint64_t)SC_ATOMIC_GET(host_memuse) + (uint64_t)(size)) <= SC_ATOMIC_GET(host_config.memcap)))
	check if a memory alloc would fit in the memcap More...

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

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

#define	HostReference(dst_h_ptr, h)

#define	HostDeReference(src_h_ptr)

Typedefs
typedef struct Host_	Host

typedef struct HostConfig_	HostConfig

Functions
struct HostHashRow_	__attribute__ ((aligned(CLS))) HostHashRow

	SC_ATOMIC_EXTERN (uint64_t, host_memuse)

	SC_ATOMIC_EXTERN (uint32_t, host_counter)

	SC_ATOMIC_EXTERN (uint32_t, host_prune_idx)

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

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

void	HostCleanup (void)
	Cleanup the host engine. More...

Host *	HostLookupHostFromHash (Address *)
	look up a host in the hash More...

Host *	HostGetHostFromHash (Address *)

void	HostRelease (Host *)

void	HostLock (Host *)

void	HostClearMemory (Host *)

void	HostMoveToSpare (Host *)

uint32_t	HostSpareQueueGetSize (void)

void	HostPrintStats (void)
	print some host stats More...

void	HostRegisterUnittests (void)

Host *	HostAlloc (void)

void	HostFree (Host *)

void	HostUnlock (Host *h)

int	HostSetMemcap (uint64_t)
	Update memcap value. More...

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

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

Variables
HRLOCK_TYPE	lock

Host *	head

Host *	tail

HostHashRow *	host_hash

HostConfig	host_config

Detailed Description

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

Definition in file host.h.

Macro Definition Documentation

◆ HOST_CHECK_MEMCAP

#define HOST_CHECK_MEMCAP ( size ) ((((uint64_t)SC_ATOMIC_GET(host_memuse) + (uint64_t)(size)) <= SC_ATOMIC_GET(host_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 110 of file host.h.

◆ HOST_QUIET

#define HOST_QUIET 1

Definition at line 94 of file host.h.

◆ HOST_VERBOSE

#define HOST_VERBOSE 0

Definition at line 93 of file host.h.

◆ HostDecrUsecnt

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

Definition at line 115 of file host.h.

◆ HostDeReference

#define HostDeReference ( src_h_ptr )

Value:

        do {               \
        if (*(src_h_ptr) != NULL) {                   \
            HostDecrUsecnt(*(src_h_ptr));             \
            *(src_h_ptr) = NULL;                      \
        }                                             \
    } while (0)

Definition at line 125 of file host.h.

◆ HostIncrUsecnt

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

Definition at line 113 of file host.h.

◆ HostReference

#define HostReference	(	dst_h_ptr,
		h
	)

Value:

        do {            \
        if ((h) != NULL) {                          \
            HostIncrUsecnt((h));                    \
            *(dst_h_ptr) = h;                       \
        }                                           \
    } while (0)

Definition at line 118 of file host.h.

◆ HRLOCK_DESTROY

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

Definition at line 51 of file host.h.

◆ HRLOCK_INIT

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

Definition at line 50 of file host.h.

◆ HRLOCK_LOCK

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

Definition at line 52 of file host.h.

◆ HRLOCK_MUTEX

#define HRLOCK_MUTEX

Spinlocks or Mutex for the flow buckets.

Definition at line 33 of file host.h.

◆ HRLOCK_TRYLOCK

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

Definition at line 53 of file host.h.

◆ HRLOCK_TYPE

#define HRLOCK_TYPE SCMutex

Definition at line 49 of file host.h.

◆ HRLOCK_UNLOCK

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

Definition at line 54 of file host.h.

Typedef Documentation

◆ Host

typedef struct Host_ Host

◆ HostConfig

typedef struct HostConfig_ HostConfig

Function Documentation

◆ attribute()

struct HostHashRow_ __attribute__ ( (aligned(CLS)) )

◆ HostAlloc()

Host* HostAlloc ( void )

Definition at line 111 of file host.c.

References HOST_CHECK_MEMCAP.

◆ HostCleanup()

void HostCleanup ( void )

Cleanup the host engine.

Cleanup the host engine from tag and threshold.

Definition at line 343 of file host.c.

References HostConfig_::hash_size, Host_::hnext, host_config, host_hash, HostClearMemory(), HostFreeStorage(), HostMoveToSpare(), Host_::hprev, HRLOCK_LOCK, HRLOCK_UNLOCK, Host_::iprep, and SC_ATOMIC_GET.

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◆ HostClearMemory()

void HostClearMemory ( Host * )

Definition at line 157 of file host.c.

References BUG_ON, HostFreeStorage(), HostStorageSize(), Host_::iprep, SC_ATOMIC_GET, and SRepFreeHostData().

Referenced by HostCleanup(), and HostFree().

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◆ HostFree()

void HostFree ( Host * )

Definition at line 132 of file host.c.

References HostClearMemory(), Host_::m, SC_ATOMIC_SUB, SCFree, and SCMutexDestroy.

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◆ HostGetHostFromHash()

Host* HostGetHostFromHash ( Address * )

Definition at line 502 of file host.c.

Referenced by TagHashAddTag().

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◆ HostGetMemcap()

uint64_t HostGetMemcap ( void )

Return memcap value.

Return values

memcap value

Definition at line 83 of file host.c.

References host_config, and SC_ATOMIC_GET.

◆ HostGetMemuse()

uint64_t HostGetMemuse ( void )

Return memuse value.

Return values

memuse value

Definition at line 94 of file host.c.

References SC_ATOMIC_GET.

◆ HostInitConfig()

void HostInitConfig ( bool quiet )

initialize the configuration

Warning: Not thread safe

set config values for memcap, prealloc and hash_size

Definition at line 175 of file host.c.

References DEBUG_VALIDATE_BUG_ON, HostStorageSize(), and SCLogDebug.

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◆ HostLock()

void HostLock ( Host * )

Definition at line 483 of file host.c.

References Host_::m, and SCMutexLock.

◆ HostLookupHostFromHash()

Host* HostLookupHostFromHash ( Address * a )

look up a host in the hash

Parameters

a	address to look up

Return values

h	LOCKED host or NULL

Definition at line 601 of file host.c.

◆ HostMoveToSpare()

void HostMoveToSpare ( Host * )

Definition at line 105 of file host.c.

References HostEnqueue().

Referenced by HostCleanup().

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◆ HostPrintStats()

void HostPrintStats ( void )

print some host stats

Warning: Not thread safe

Definition at line 293 of file host.c.

References host_config, SC_ATOMIC_GET, and SCLogPerf.

Referenced by HostShutdown().

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◆ HostRegisterUnittests()

void HostRegisterUnittests ( void )

Definition at line 733 of file host.c.

References RegisterHostStorageTests().

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◆ HostRelease()

void HostRelease ( Host * )

Definition at line 477 of file host.c.

References HostDecrUsecnt, Host_::m, and SCMutexUnlock.

◆ HostSetMemcap()

int HostSetMemcap ( uint64_t size )

Update memcap value.

Parameters

size	new memcap value

Definition at line 68 of file host.c.

References host_config, SC_ATOMIC_GET, and SC_ATOMIC_SET.

◆ HostShutdown()

void HostShutdown ( void )

shutdown the flow engine

Warning: Not thread safe

Definition at line 306 of file host.c.

References HostDequeue(), and HostPrintStats().

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◆ HostSpareQueueGetSize()

uint32_t HostSpareQueueGetSize ( void )

Definition at line 100 of file host.c.

References HostQueueLen().

Referenced by HostGetSpareCount().

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◆ HostUnlock()

void HostUnlock ( Host * h )

Definition at line 488 of file host.c.

References Host_::m, and SCMutexUnlock.

◆ SC_ATOMIC_EXTERN() [1/3]

SC_ATOMIC_EXTERN	(	uint32_t	,
		host_counter
	)

◆ SC_ATOMIC_EXTERN() [2/3]

SC_ATOMIC_EXTERN	(	uint32_t	,
		host_prune_idx
	)

◆ SC_ATOMIC_EXTERN() [3/3]

SC_ATOMIC_EXTERN	(	uint64_t	,
		host_memuse
	)

Variable Documentation

◆ head

Host* head

Definition at line 1 of file host.h.

◆ host_config

HostConfig host_config

Definition at line 53 of file host.c.

Referenced by HostCleanup(), HostGetMemcap(), HostPrintStats(), and HostSetMemcap().

◆ host_hash

HostHashRow* host_hash

host hash table

Definition at line 50 of file host.c.

Referenced by HostCleanup().

◆ lock

HRLOCK_TYPE lock

Definition at line 0 of file host.h.

◆ tail

Host* tail

Definition at line 2 of file host.h.

Data Structures

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ HOST_CHECK_MEMCAP

◆ HOST_QUIET

◆ HOST_VERBOSE

◆ HostDecrUsecnt

◆ HostDeReference

◆ HostIncrUsecnt

◆ HostReference

◆ HRLOCK_DESTROY

◆ HRLOCK_INIT

◆ HRLOCK_LOCK

◆ HRLOCK_MUTEX

◆ HRLOCK_TRYLOCK

◆ HRLOCK_TYPE

◆ HRLOCK_UNLOCK

Typedef Documentation

◆ Host

◆ HostConfig

Function Documentation

◆ __attribute__()

◆ HostAlloc()

◆ HostCleanup()

◆ HostClearMemory()

◆ HostFree()

◆ HostGetHostFromHash()

◆ HostGetMemcap()

◆ HostGetMemuse()

◆ HostInitConfig()

◆ HostLock()

◆ HostLookupHostFromHash()

◆ HostMoveToSpare()

◆ HostPrintStats()

◆ HostRegisterUnittests()

◆ HostRelease()

◆ HostSetMemcap()

◆ HostShutdown()

◆ HostSpareQueueGetSize()

◆ HostUnlock()

◆ SC_ATOMIC_EXTERN() [1/3]

◆ SC_ATOMIC_EXTERN() [2/3]

◆ SC_ATOMIC_EXTERN() [3/3]

Variable Documentation

◆ head

◆ host_config

◆ host_hash

◆ lock

◆ tail

◆ attribute()