#include "detect-engine-state.h"
#include "tmqh-flow.h"

Include dependency graph for flow-util.h:

Macros
#define	COPY_TIMESTAMP(src, dst) ((dst)->tv_sec = (src)->tv_sec, (dst)->tv_usec = (src)->tv_usec)

#define	RESET_COUNTERS(f)

#define	FLOW_INITIALIZE(f)

#define	FLOW_RECYCLE(f)
	macro to recycle a flow before it goes into the spare queue for reuse. More...

#define	FLOW_DESTROY(f)

#define	FLOW_CHECK_MEMCAP(size) ((((uint64_t)SC_ATOMIC_GET(flow_memuse) + (uint64_t)(size)) <= SC_ATOMIC_GET(flow_config.memcap)))
	check if a memory alloc would fit in the memcap More...

Functions
Flow *	FlowAlloc (void)
	allocate a flow More...

Flow *	FlowAllocDirect (void)

void	FlowFree (Flow *)
	cleanup & free the memory of a flow More...

uint8_t	FlowGetProtoMapping (uint8_t)
	Function to map the protocol to the defined FLOW_PROTO_* enumeration. More...

void	FlowInit (Flow , const Packet )

uint8_t	FlowGetReverseProtoMapping (uint8_t rproto)

Detailed Description

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

Definition in file flow-util.h.

Macro Definition Documentation

#define COPY_TIMESTAMP	(	src,
		dst
	)	((dst)->tv_sec = (src)->tv_sec, (dst)->tv_usec = (src)->tv_usec)

Definition at line 30 of file flow-util.h.

Referenced by FlowHandlePacketUpdate(), FlowInit(), and UTHBuildPacketReal().

#define FLOW_CHECK_MEMCAP ( size ) ((((uint64_t)SC_ATOMIC_GET(flow_memuse) + (uint64_t)(size)) <= SC_ATOMIC_GET(flow_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 135 of file flow-util.h.

Referenced by FlowAlloc(), FlowInitConfig(), FlowSetupPacket(), FlowUpdateState(), and TmModuleFlowRecyclerRegister().

#define FLOW_DESTROY ( f )

Value:

do { \
        FlowCleanupAppLayer((f)); \
        SC_ATOMIC_DESTROY((f)->flow_state); \
        SC_ATOMIC_DESTROY((f)->use_cnt); \
        \
        FLOWLOCK_DESTROY((f)); \
        GenericVarFree((f)->flowvar); \
    } while(0)

Definition at line 119 of file flow-util.h.

Referenced by DetectBypassRegister(), DetectDceIfaceRegister(), DetectDceOpnumRegister(), DetectDceStubDataRegister(), DetectDNP3Register(), DetectDnsQueryRegister(), DetectEngineInspectENIP(), DetectEngineInspectModbus(), DetectEngineStateResetTxs(), DetectFlowbitsAnalyze(), DetectFtpbounceRegister(), DetectHostbitFree(), DetectHttpRequestLineRegister(), DetectHttpResponseLineRegister(), DetectLuaRegister(), DetectPcrePayloadMatch(), DetectProtoContainsProto(), DetectSshSoftwareVersionRegister(), DetectSshVersionRegister(), DetectTemplateRustBufferRegister(), DetectUricontentRegister(), DetectUrilenValidateContent(), FlowFree(), FTPAtExitPrintStats(), IPOnlyAddSignature(), RegisterDCERPCParsers(), RegisterDNP3Parsers(), RegisterENIPTCPParsers(), RegisterModbusParsers(), RegisterSSHParsers(), RegisterSSLParsers(), SMTPParserCleanup(), TagTimeoutCheck(), and TmModuleFlowRecyclerRegister().

#define FLOW_INITIALIZE ( f )

Definition at line 39 of file flow-util.h.

Referenced by AppLayerParserStreamTruncated(), DetectBypassRegister(), DetectDceIfaceRegister(), DetectDceOpnumRegister(), DetectDceStubDataRegister(), DetectDNP3Register(), DetectDnsQueryRegister(), DetectEngineInspectENIP(), DetectEngineInspectModbus(), DetectEngineStateResetTxs(), DetectFlowbitsAnalyze(), DetectFtpbounceRegister(), DetectHostbitFree(), DetectHttpRequestLineRegister(), DetectHttpResponseLineRegister(), DetectLuaRegister(), DetectPcrePayloadMatch(), DetectProtoContainsProto(), DetectSshSoftwareVersionRegister(), DetectSshVersionRegister(), DetectTemplateRustBufferRegister(), DetectUricontentRegister(), DetectUrilenValidateContent(), FlowAlloc(), FTPAtExitPrintStats(), IPOnlyAddSignature(), RegisterDCERPCParsers(), RegisterDCERPCUDPParsers(), RegisterModbusParsers(), RegisterSSHParsers(), RegisterSSLParsers(), SCSigSignatureOrderingModuleCleanup(), SMTPParserCleanup(), TagTimeoutCheck(), TmModuleFlowRecyclerRegister(), and UTHBuildFlow().

#define FLOW_RECYCLE ( f )

macro to recycle a flow before it goes into the spare queue for reuse.

Note that the lnext, lprev, hnext, hprev fields are untouched, those are managed by the queueing code. Same goes for fb (FlowBucket ptr) field.

Definition at line 83 of file flow-util.h.

Referenced by FlowClearMemory().

#define RESET_COUNTERS ( f )

Value:

do { \
        (f)->todstpktcnt = 0; \
        (f)->tosrcpktcnt = 0; \
        (f)->todstbytecnt = 0; \
        (f)->tosrcbytecnt = 0; \
    } while (0)

Definition at line 32 of file flow-util.h.