suricata
flow-manager.c File Reference
#include "suricata-common.h"
#include "conf.h"
#include "threadvars.h"
#include "tm-threads.h"
#include "runmodes.h"
#include "util-time.h"
#include "flow.h"
#include "flow-queue.h"
#include "flow-hash.h"
#include "flow-util.h"
#include "flow-private.h"
#include "flow-timeout.h"
#include "flow-manager.h"
#include "flow-storage.h"
#include "flow-spare-pool.h"
#include "flow-callbacks.h"
#include "stream-tcp.h"
#include "stream-tcp-cache.h"
#include "util-device.h"
#include "util-debug.h"
#include "threads.h"
#include "detect-engine-threshold.h"
#include "host-timeout.h"
#include "defrag-hash.h"
#include "defrag-timeout.h"
#include "ippair-timeout.h"
#include "app-layer-htp-range.h"
#include "output-flow.h"
#include "runmode-unix-socket.h"
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Data Structures

struct  FlowTimeoutCounters_
 
struct  FlowManagerTimeoutThread
 
struct  FlowCounters_
 
struct  FlowManagerThreadData_
 
struct  FlowRecyclerThreadData_
 

Macros

#define BITS   32
 
#define TYPE   uint32_t
 
#define RECYCLE_MAX_QUEUE_ITEMS   25
 

Typedefs

typedef struct FlowTimeoutCounters_ FlowTimeoutCounters
 
typedef struct FlowManagerTimeoutThread FlowManagerTimeoutThread
 
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 FlowWakeupFlowManagerThread (void)
 
void FlowWakeupFlowRecyclerThread (void)
 
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

FlowQueue flow_recycle_q
 

Detailed Description

Macro Definition Documentation

◆ BITS

#define BITS   32

◆ RECYCLE_MAX_QUEUE_ITEMS

#define RECYCLE_MAX_QUEUE_ITEMS   25

Definition at line 584 of file flow-manager.c.

◆ TYPE

#define TYPE   uint32_t

Typedef Documentation

◆ FlowCounters

typedef struct FlowCounters_ FlowCounters

◆ FlowManagerThreadData

◆ FlowManagerTimeoutThread

◆ FlowRecyclerThreadData

◆ 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 132 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 1208 of file flow-manager.c.

◆ FlowManagerThreadSpawn()

void FlowManagerThreadSpawn ( void  )

spawn the flow manager thread

Definition at line 977 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 1172 of file flow-manager.c.

References ConfGetInt(), and FatalError.

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◆ FlowTimeoutsEmergency()

void FlowTimeoutsEmergency ( void  )

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

References flow_timeouts_emerg, and SC_ATOMIC_SET.

◆ FlowTimeoutsInit()

void FlowTimeoutsInit ( void  )

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

References flow_timeouts_normal, and SC_ATOMIC_SET.

Referenced by FlowInitFlowProto().

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◆ FlowWakeupFlowManagerThread()

void FlowWakeupFlowManagerThread ( void  )

Definition at line 84 of file flow-manager.c.

References SCCtrlMutexLock.

◆ FlowWakeupFlowRecyclerThread()

void FlowWakeupFlowRecyclerThread ( void  )

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

References SCCtrlMutexLock.

◆ 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 1266 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 1280 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 65 of file flow-manager.c.

Referenced by FlowInitConfig(), and FlowShutdown().