suricata: src/flow-manager.c File Reference

suricata

#include "suricata-common.h"
#include "suricata.h"
#include "decode.h"
#include "conf.h"
#include "threadvars.h"
#include "tm-threads.h"
#include "runmodes.h"
#include "util-random.h"
#include "util-time.h"
#include "flow.h"
#include "flow-queue.h"
#include "flow-hash.h"
#include "flow-util.h"
#include "flow-var.h"
#include "flow-private.h"
#include "flow-timeout.h"
#include "flow-manager.h"
#include "flow-storage.h"
#include "flow-spare-pool.h"
#include "stream-tcp-private.h"
#include "stream-tcp-reassemble.h"
#include "stream-tcp.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "util-byte.h"
#include "util-debug.h"
#include "util-privs.h"
#include "util-signal.h"
#include "threads.h"
#include "detect.h"
#include "detect-engine-state.h"
#include "stream.h"
#include "app-layer-parser.h"
#include "host-timeout.h"
#include "defrag-timeout.h"
#include "ippair-timeout.h"
#include "output-flow.h"
#include "util-validate.h"

Include dependency graph for flow-manager.c:

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Data Structures
struct	FlowTimeoutCounters_

struct	FlowManagerTimeoutThread

struct	FlowQueueTimeoutCounters

struct	FlowCounters_

struct	FlowManagerThreadData_

struct	FlowRecyclerThreadData_

Macros
#define	FLOW_NORMAL_MODE_UPDATE_DELAY_SEC 1

#define	FLOW_NORMAL_MODE_UPDATE_DELAY_NSEC 0

#define	FLOW_EMERG_MODE_UPDATE_DELAY_SEC 0

#define	FLOW_EMERG_MODE_UPDATE_DELAY_NSEC 300000

#define	NEW_FLOW_COUNT_COND 10

#define	BITS 32

#define	TYPE uint32_t

Typedefs
typedef struct FlowTimeoutCounters_	FlowTimeoutCounters

typedef struct FlowManagerTimeoutThread	FlowManagerTimeoutThread

typedef struct FlowQueueTimeoutCounters	FlowQueueTimeoutCounters

typedef struct FlowCounters_	FlowCounters

typedef struct FlowManagerThreadData_	FlowManagerThreadData

typedef struct FlowRecyclerThreadData_	FlowRecyclerThreadData

Functions
	SC_ATOMIC_DECLARE (uint32_t, flowmgr_cnt)

	SC_ATOMIC_DECLARE (uint32_t, flowrec_cnt)

	SC_ATOMIC_DECLARE (uint32_t, flowrec_busy)

	SC_ATOMIC_EXTERN (unsigned int, flow_flags)

void	FlowTimeoutsInit (void)

void	FlowTimeoutsEmergency (void)

void	FlowDisableFlowManagerThread (void)
	Used to disable flow manager thread(s). More...

void	FlowManagerThreadSpawn ()
	spawn the flow manager thread More...

void	FlowRecyclerThreadSpawn ()
	spawn the flow recycler thread More...

void	FlowDisableFlowRecyclerThread (void)
	Used to disable flow recycler thread(s). More...

void	TmModuleFlowManagerRegister (void)

void	TmModuleFlowRecyclerRegister (void)

Variables
int	run_mode

FlowQueue	flow_recycle_q

int	g_detect_disabled

Detailed Description

Author: Anoop Saldanha anoop.nosp@m.sald.nosp@m.anha@.nosp@m.gmai.nosp@m.l.com; Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Definition in file flow-manager.c.

Macro Definition Documentation

◆ BITS

#define BITS 32

◆ FLOW_EMERG_MODE_UPDATE_DELAY_NSEC

#define FLOW_EMERG_MODE_UPDATE_DELAY_NSEC 300000

Definition at line 107 of file flow-manager.c.

◆ FLOW_EMERG_MODE_UPDATE_DELAY_SEC

#define FLOW_EMERG_MODE_UPDATE_DELAY_SEC 0

Definition at line 106 of file flow-manager.c.

◆ FLOW_NORMAL_MODE_UPDATE_DELAY_NSEC

#define FLOW_NORMAL_MODE_UPDATE_DELAY_NSEC 0

Definition at line 104 of file flow-manager.c.

◆ FLOW_NORMAL_MODE_UPDATE_DELAY_SEC

#define FLOW_NORMAL_MODE_UPDATE_DELAY_SEC 1

Definition at line 103 of file flow-manager.c.

◆ NEW_FLOW_COUNT_COND

#define NEW_FLOW_COUNT_COND 10

Definition at line 108 of file flow-manager.c.

◆ TYPE

#define TYPE uint32_t

Typedef Documentation

◆ FlowCounters

typedef struct FlowCounters_ FlowCounters

◆ FlowManagerThreadData

typedef struct FlowManagerThreadData_ FlowManagerThreadData

◆ FlowManagerTimeoutThread

typedef struct FlowManagerTimeoutThread FlowManagerTimeoutThread

◆ FlowQueueTimeoutCounters

typedef struct FlowQueueTimeoutCounters FlowQueueTimeoutCounters

◆ FlowRecyclerThreadData

typedef struct FlowRecyclerThreadData_ FlowRecyclerThreadData

◆ FlowTimeoutCounters

typedef struct FlowTimeoutCounters_ FlowTimeoutCounters

Function Documentation

◆ FlowDisableFlowManagerThread()

void FlowDisableFlowManagerThread ( void )

Used to disable flow manager thread(s).

Todo:: Kinda hackish since it uses the tv name to identify flow manager thread. We need an all weather identification scheme.

Definition at line 140 of file flow-manager.c.

References FatalError, ThreadVars_::name, ThreadVars_::next, SC_ATOMIC_SET, SC_ERR_SHUTDOWN, SCMutexLock, SCMutexUnlock, SleepMsec, thread_name_flow_mgr, THV_KILL, THV_RUNNING_DONE, TmThreadsCheckFlag(), TmThreadsSetFlag(), tv, tv_root, tv_root_lock, and TVT_MGMT.

Referenced by PostRunDeinit().

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◆ FlowDisableFlowRecyclerThread()

void FlowDisableFlowRecyclerThread ( void )

Used to disable flow recycler thread(s).

Note: this should only be called when the flow manager is already gone

Todo:: Kinda hackish since it uses the tv name to identify flow recycler thread. We need an all weather identification scheme.

Definition at line 1295 of file flow-manager.c.

◆ FlowManagerThreadSpawn()

void FlowManagerThreadSpawn ( )

spawn the flow manager thread

Definition at line 1054 of file flow-manager.c.

References ConfGetInt(), FatalError, and SC_ERR_INVALID_ARGUMENTS.

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◆ FlowRecyclerThreadSpawn()

void FlowRecyclerThreadSpawn ( )

spawn the flow recycler thread

Definition at line 1257 of file flow-manager.c.

References ConfGetInt(), FatalError, and SC_ERR_INVALID_ARGUMENTS.

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◆ FlowTimeoutsEmergency()

void FlowTimeoutsEmergency ( void )

Definition at line 96 of file flow-manager.c.

References flow_timeouts_emerg, and SC_ATOMIC_SET.

◆ FlowTimeoutsInit()

void FlowTimeoutsInit ( void )

Definition at line 91 of file flow-manager.c.

References flow_timeouts_normal, and SC_ATOMIC_SET.

Referenced by FlowInitFlowProto().

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◆ SC_ATOMIC_DECLARE() [1/3]

SC_ATOMIC_DECLARE	(	uint32_t	,
		flowmgr_cnt
	)

◆ SC_ATOMIC_DECLARE() [2/3]

SC_ATOMIC_DECLARE	(	uint32_t	,
		flowrec_busy
	)

◆ SC_ATOMIC_DECLARE() [3/3]

SC_ATOMIC_DECLARE	(	uint32_t	,
		flowrec_cnt
	)

◆ SC_ATOMIC_EXTERN()

SC_ATOMIC_EXTERN	(	unsigned int	,
		flow_flags
	)

◆ TmModuleFlowManagerRegister()

void TmModuleFlowManagerRegister ( void )

Definition at line 1355 of file flow-manager.c.

References TmModule_::name, TmModule_::ThreadInit, TMM_FLOWMANAGER, and tmm_modules.

Referenced by RegisterAllModules().

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◆ TmModuleFlowRecyclerRegister()

void TmModuleFlowRecyclerRegister ( void )

Definition at line 1369 of file flow-manager.c.

References TmModule_::name, TmModule_::ThreadInit, TMM_FLOWRECYCLER, and tmm_modules.

Referenced by RegisterAllModules().

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Variable Documentation

◆ flow_recycle_q

FlowQueue flow_recycle_q

queue to pass flows to cleanup/log thread(s)

Definition at line 77 of file flow-manager.c.

Referenced by FlowInitConfig(), and FlowShutdown().

◆ g_detect_disabled

int g_detect_disabled

global indicating if detection is enabled

Definition at line 211 of file suricata.c.

◆ run_mode

int run_mode

Run mode selected

Definition at line 197 of file suricata.c.

src
flow-manager.c
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