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-device.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 "app-layer-htp-range.h"
#include "output-flow.h"
#include "util-validate.h"
#include "runmode-unix-socket.h"

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

void	FlowRecyclerThreadSpawn (void)
	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

SCCtrlCondT	flow_manager_ctrl_cond

SCCtrlMutex	flow_manager_ctrl_mutex

SCCtrlCondT	flow_recycler_ctrl_cond

SCCtrlMutex	flow_recycler_ctrl_mutex

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 116 of file flow-manager.c.

◆ FLOW_EMERG_MODE_UPDATE_DELAY_SEC

#define FLOW_EMERG_MODE_UPDATE_DELAY_SEC 0

Definition at line 115 of file flow-manager.c.

◆ FLOW_NORMAL_MODE_UPDATE_DELAY_NSEC

#define FLOW_NORMAL_MODE_UPDATE_DELAY_NSEC 0

Definition at line 113 of file flow-manager.c.

◆ FLOW_NORMAL_MODE_UPDATE_DELAY_SEC

#define FLOW_NORMAL_MODE_UPDATE_DELAY_SEC 1

Definition at line 112 of file flow-manager.c.

◆ NEW_FLOW_COUNT_COND

#define NEW_FLOW_COUNT_COND 10

Definition at line 117 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 142 of file flow-manager.c.

References FatalError, ThreadVars_::name, ThreadVars_::next, SC_ATOMIC_SET, 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 1175 of file flow-manager.c.

◆ FlowManagerThreadSpawn()

void FlowManagerThreadSpawn ( void )

spawn the flow manager thread

Definition at line 944 of file flow-manager.c.

References ConfGetInt(), and FatalError.

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◆ FlowRecyclerThreadSpawn()

void FlowRecyclerThreadSpawn ( void )

spawn the flow recycler thread

Definition at line 1135 of file flow-manager.c.

References ConfGetInt(), and FatalError.

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◆ FlowTimeoutsEmergency()

void FlowTimeoutsEmergency ( void )

Definition at line 105 of file flow-manager.c.

References flow_timeouts_emerg, and SC_ATOMIC_SET.

◆ FlowTimeoutsInit()

void FlowTimeoutsInit ( void )

Definition at line 100 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 1234 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 1248 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_manager_ctrl_cond

SCCtrlCondT flow_manager_ctrl_cond

flow manager scheduling condition

Definition at line 95 of file flow-manager.c.

◆ flow_manager_ctrl_mutex

SCCtrlMutex flow_manager_ctrl_mutex

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

◆ flow_recycle_q

FlowQueue flow_recycle_q

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

Definition at line 81 of file flow-manager.c.

Referenced by FlowInitConfig(), and FlowShutdown().

◆ flow_recycler_ctrl_cond

SCCtrlCondT flow_recycler_ctrl_cond

Definition at line 97 of file flow-manager.c.

◆ flow_recycler_ctrl_mutex

SCCtrlMutex flow_recycler_ctrl_mutex

Definition at line 98 of file flow-manager.c.

◆ run_mode

int run_mode

Run mode selected

Definition at line 167 of file suricata.c.

src
flow-manager.c
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