#include "tree.h"

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Data Structures
struct	StreamingBufferConfig_

struct	StreamingBufferBlock
	block of continues data More...

struct	StreamingBuffer_

struct	StreamingBufferSegment_

Macros
#define	STREAMING_BUFFER_NOFLAGS 0

#define	STREAMING_BUFFER_AUTOSLIDE (1<<0)

#define	STREAMING_BUFFER_CONFIG_INITIALIZER { 0, 0, 0, NULL, NULL, NULL, NULL, }

#define	STREAMING_BUFFER_INITIALIZER(cfg) { (cfg), 0, NULL, 0, 0, { NULL }, NULL, };

Typedefs
typedef struct StreamingBufferConfig_	StreamingBufferConfig

typedef struct StreamingBuffer_	StreamingBuffer

Functions
struct StreamingBufferBlock	__attribute__ ((__packed__)) StreamingBufferBlock
	block of continues data More...

	RB_ENTRY (StreamingBufferBlock) rb

int	SBBCompare (struct StreamingBufferBlock a, struct StreamingBufferBlock b)

	RB_HEAD (SBB, StreamingBufferBlock)

	RB_PROTOTYPE (SBB, StreamingBufferBlock, rb, SBBCompare)

StreamingBufferBlock *	SBB_RB_FIND_INCLUSIVE (struct SBB head, StreamingBufferBlock elm)

StreamingBuffer *	StreamingBufferInit (const StreamingBufferConfig *cfg)

void	StreamingBufferClear (StreamingBuffer *sb)

void	StreamingBufferFree (StreamingBuffer *sb)

void	StreamingBufferSlide (StreamingBuffer *sb, uint32_t slide)

void	StreamingBufferSlideToOffset (StreamingBuffer *sb, uint64_t offset)
	slide to absolute offset More...

StreamingBufferSegment *	StreamingBufferAppendRaw (StreamingBuffer sb, const uint8_t data, uint32_t data_len) __attribute__((warn_unused_result))

int	StreamingBufferAppend (StreamingBuffer sb, StreamingBufferSegment seg, const uint8_t *data, uint32_t data_len) __attribute__((warn_unused_result))

int	StreamingBufferAppendNoTrack (StreamingBuffer sb, const uint8_t data, uint32_t data_len) __attribute__((warn_unused_result))
	add data w/o tracking a segment More...

int	StreamingBufferInsertAt (StreamingBuffer sb, StreamingBufferSegment seg, const uint8_t *data, uint32_t data_len, uint64_t offset) __attribute__((warn_unused_result))

void	StreamingBufferSegmentGetData (const StreamingBuffer sb, const StreamingBufferSegment seg, const uint8_t *data, uint32_t data_len)

void	StreamingBufferSBBGetData (const StreamingBuffer sb, const StreamingBufferBlock sbb, const uint8_t *data, uint32_t data_len)
	get the data for one SBB More...

void	StreamingBufferSBBGetDataAtOffset (const StreamingBuffer sb, const StreamingBufferBlock sbb, const uint8_t *data, uint32_t data_len, uint64_t offset)
	get the data for one SBB More...

int	StreamingBufferSegmentCompareRawData (const StreamingBuffer sb, const StreamingBufferSegment seg, const uint8_t *rawdata, uint32_t rawdata_len)

int	StreamingBufferCompareRawData (const StreamingBuffer sb, const uint8_t rawdata, uint32_t rawdata_len)

int	StreamingBufferGetData (const StreamingBuffer sb, const uint8_t data, uint32_t data_len, uint64_t *stream_offset)

int	StreamingBufferGetDataAtOffset (const StreamingBuffer sb, const uint8_t data, uint32_t data_len, uint64_t offset)

int	StreamingBufferSegmentIsBeforeWindow (const StreamingBuffer sb, const StreamingBufferSegment seg)

void	StreamingBufferRegisterTests (void)

Variables
uint64_t	offset

uint32_t	len

uint32_t	segment_len

uint64_t	stream_offset

Macro Definition Documentation

◆ STREAMING_BUFFER_AUTOSLIDE

#define STREAMING_BUFFER_AUTOSLIDE (1<<0)

Definition at line 65 of file util-streaming-buffer.h.

◆ STREAMING_BUFFER_CONFIG_INITIALIZER

#define STREAMING_BUFFER_CONFIG_INITIALIZER { 0, 0, 0, NULL, NULL, NULL, NULL, }

Definition at line 77 of file util-streaming-buffer.h.

◆ STREAMING_BUFFER_INITIALIZER

#define STREAMING_BUFFER_INITIALIZER ( cfg ) { (cfg), 0, NULL, 0, 0, { NULL }, NULL, };

Definition at line 111 of file util-streaming-buffer.h.

◆ STREAMING_BUFFER_NOFLAGS

#define STREAMING_BUFFER_NOFLAGS 0

Definition at line 64 of file util-streaming-buffer.h.

Typedef Documentation

◆ StreamingBuffer

typedef struct StreamingBuffer_ StreamingBuffer

◆ StreamingBufferConfig

typedef struct StreamingBufferConfig_ StreamingBufferConfig

Function Documentation

◆ RB_ENTRY()

__attribute__::RB_ENTRY ( StreamingBufferBlock )

◆ RB_HEAD()

RB_HEAD	(	SBB	,
		StreamingBufferBlock
	)

◆ RB_PROTOTYPE()

RB_PROTOTYPE	(	SBB	,
		StreamingBufferBlock	,
		rb	,
		SBBCompare
	)

◆ SBB_RB_FIND_INCLUSIVE()

StreamingBufferBlock* SBB_RB_FIND_INCLUSIVE	(	struct SBB *	head,
		StreamingBufferBlock *	elm
	)

Definition at line 79 of file util-streaming-buffer.c.

References head, StreamingBufferBlock::len, StreamingBufferBlock::offset, RB_ROOT, res, and SCLogDebug.

◆ SBBCompare()

int SBBCompare	(	struct StreamingBufferBlock *	a,
		struct StreamingBufferBlock *	b
	)

Definition at line 47 of file util-streaming-buffer.c.

References StreamingBufferBlock::len, StreamingBufferBlock::offset, SCLogDebug, and SCReturnInt.

◆ StreamingBufferAppend()

int StreamingBufferAppend	(	StreamingBuffer *	sb,
		StreamingBufferSegment *	seg,
		const uint8_t *	data,
		uint32_t	data_len
	)

Definition at line 576 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, and BUG_ON.

Referenced by UTHAddStreamToFlow().

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◆ StreamingBufferAppendNoTrack()

int StreamingBufferAppendNoTrack	(	StreamingBuffer *	sb,
		const uint8_t *	data,
		uint32_t	data_len
	)

add data w/o tracking a segment

Definition at line 619 of file util-streaming-buffer.c.

References StreamingBuffer_::buf.

◆ StreamingBufferAppendRaw()

StreamingBufferSegment* StreamingBufferAppendRaw	(	StreamingBuffer *	sb,
		const uint8_t *	data,
		uint32_t	data_len
	)

Definition at line 535 of file util-streaming-buffer.c.

References StreamingBuffer_::buf.

◆ StreamingBufferClear()

void StreamingBufferClear ( StreamingBuffer * sb )

Definition at line 132 of file util-streaming-buffer.c.

References StreamingBuffer_::buf_size, and SCLogDebug.

Referenced by StreamingBufferFree(), StreamTcpPruneSession(), and StreamTcpStreamCleanup().

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◆ StreamingBufferCompareRawData()

int StreamingBufferCompareRawData	(	const StreamingBuffer *	sb,
		const uint8_t *	rawdata,
		uint32_t	rawdata_len
	)

Return values

1	data is the same
0	data is different

Definition at line 889 of file util-streaming-buffer.c.

References offset, PrintRawDataFp(), SCLogDebug, and StreamingBufferGetData().

Referenced by StreamTcpCheckStreamContents().

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◆ StreamingBufferFree()

void StreamingBufferFree ( StreamingBuffer * sb )

Definition at line 145 of file util-streaming-buffer.c.

References StreamingBuffer_::cfg, FREE, and StreamingBufferClear().

Referenced by HtpBodyFree().

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◆ StreamingBufferGetData()

int StreamingBufferGetData	(	const StreamingBuffer *	sb,
		const uint8_t **	data,
		uint32_t *	data_len,
		uint64_t *	stream_offset
	)

Definition at line 849 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, StreamingBuffer_::buf_offset, stream_offset, and StreamingBuffer_::stream_offset.

Referenced by StreamingBufferCompareRawData().

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◆ StreamingBufferGetDataAtOffset()

int StreamingBufferGetDataAtOffset	(	const StreamingBuffer *	sb,
		const uint8_t **	data,
		uint32_t *	data_len,
		uint64_t	offset
	)

Definition at line 866 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, StreamingBuffer_::buf_offset, offset, and StreamingBuffer_::stream_offset.

◆ StreamingBufferInit()

StreamingBuffer* StreamingBufferInit ( const StreamingBufferConfig * cfg )

Definition at line 112 of file util-streaming-buffer.c.

References StreamingBufferConfig_::buf_size, StreamingBuffer_::buf_size, CALLOC, and StreamingBuffer_::cfg.

◆ StreamingBufferInsertAt()

int StreamingBufferInsertAt	(	StreamingBuffer *	sb,
		StreamingBufferSegment *	seg,
		const uint8_t *	data,
		uint32_t	data_len,
		uint64_t	offset
	)

Parameters

offset offset relative to StreamingBuffer::stream_offset

Definition at line 661 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, BUG_ON, and stream_offset.

◆ StreamingBufferRegisterTests()

void StreamingBufferRegisterTests ( void )

Definition at line 1477 of file util-streaming-buffer.c.

References UtRegisterTest().

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◆ StreamingBufferSBBGetData()

void StreamingBufferSBBGetData	(	const StreamingBuffer *	sb,
		const StreamingBufferBlock *	sbb,
		const uint8_t **	data,
		uint32_t *	data_len
	)

get the data for one SBB

Definition at line 743 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, StreamingBuffer_::buf_offset, len, StreamingBufferBlock::len, offset, StreamingBufferBlock::offset, and StreamingBuffer_::stream_offset.

◆ StreamingBufferSBBGetDataAtOffset()

void StreamingBufferSBBGetDataAtOffset	(	const StreamingBuffer *	sb,
		const StreamingBufferBlock *	sbb,
		const uint8_t **	data,
		uint32_t *	data_len,
		uint64_t	offset
	)

get the data for one SBB

Definition at line 769 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, StreamingBuffer_::buf_size, BUG_ON, StreamingBufferBlock::len, offset, StreamingBufferBlock::offset, and StreamingBuffer_::stream_offset.

◆ StreamingBufferSegmentCompareRawData()

int StreamingBufferSegmentCompareRawData	(	const StreamingBuffer *	sb,
		const StreamingBufferSegment *	seg,
		const uint8_t *	rawdata,
		uint32_t	rawdata_len
	)

Return values

1	data is the same
0	data is different

Definition at line 833 of file util-streaming-buffer.c.

References StreamingBufferSegmentGetData().

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◆ StreamingBufferSegmentGetData()

void StreamingBufferSegmentGetData	(	const StreamingBuffer *	sb,
		const StreamingBufferSegment *	seg,
		const uint8_t **	data,
		uint32_t *	data_len
	)

Definition at line 802 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, StreamingBuffer_::buf_size, likely, offset, segment_len, and StreamingBuffer_::stream_offset.

Referenced by HtpBodyPrint(), StreamingBufferSegmentCompareRawData(), StreamTcpInlineSegmentCompare(), StreamTcpInlineSegmentReplacePacket(), and StreamTcpSegmentForEach().

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◆ StreamingBufferSegmentIsBeforeWindow()

int StreamingBufferSegmentIsBeforeWindow	(	const StreamingBuffer *	sb,
		const StreamingBufferSegment *	seg
	)

Definition at line 731 of file util-streaming-buffer.c.

References StreamingBuffer_::stream_offset.

Referenced by HtpBodyPrune().

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◆ StreamingBufferSlide()

void StreamingBufferSlide	(	StreamingBuffer *	sb,
		uint32_t	slide
	)

Definition at line 522 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, StreamingBuffer_::buf_offset, SCLogDebug, and StreamingBuffer_::stream_offset.

◆ StreamingBufferSlideToOffset()

void StreamingBufferSlideToOffset	(	StreamingBuffer *	sb,
		uint64_t	offset
	)

slide to absolute offset

Todo:: if sliding beyond window, we could perhaps reset?

Definition at line 507 of file util-streaming-buffer.c.

References StreamingBuffer_::buf, StreamingBuffer_::buf_offset, offset, SCLogDebug, stream_offset, and StreamingBuffer_::stream_offset.

Referenced by HtpBodyPrune().

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Variable Documentation

◆ len

uint32_t len

Definition at line 4 of file util-streaming-buffer.h.

◆ offset

uint64_t offset

Definition at line 2 of file util-streaming-buffer.h.

Referenced by DecodeCIPPDU(), DecodeCIPRequestMSPPDU(), DecodeCIPResponseMSPPDU(), DecodeENIPPDU(), DetectBytejumpDoMatch(), DetectBytetestDoMatch(), DetectEngineContentInspection(), DetectEngineInspectBufferGeneric(), DetectEngineInspectPktBufferGeneric(), DetectIsdataatSetup(), FileSwfDecompression(), MpmAddPatternCI(), MpmAddPatternCS(), PacketCopyDataOffset(), PrintBufferRawLineHex(), PrintRawJsonFp(), PrintRawLineHexBuf(), PrintRawUriBuf(), PrintRawUriFp(), ROHashInitFinalize(), ROHashLookup(), SCACAddPatternCI(), SCACAddPatternCS(), SCACBSAddPatternCI(), SCACBSAddPatternCS(), SCACSearch(), SCACTileAddPatternCI(), SCACTileAddPatternCS(), SCJsonString(), StreamingBufferCompareRawData(), StreamingBufferGetDataAtOffset(), StreamingBufferSBBGetData(), StreamingBufferSBBGetDataAtOffset(), StreamingBufferSegmentGetData(), and StreamingBufferSlideToOffset().

◆ segment_len

uint32_t segment_len

Definition at line 94 of file util-streaming-buffer.h.

Referenced by StreamingBufferSegmentGetData().

◆ stream_offset

uint64_t stream_offset

Definition at line 95 of file util-streaming-buffer.h.

Referenced by StreamingBufferGetData(), StreamingBufferInsertAt(), and StreamingBufferSlideToOffset().

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ STREAMING_BUFFER_AUTOSLIDE

◆ STREAMING_BUFFER_CONFIG_INITIALIZER

◆ STREAMING_BUFFER_INITIALIZER

◆ STREAMING_BUFFER_NOFLAGS

Typedef Documentation

◆ StreamingBuffer

◆ StreamingBufferConfig

Function Documentation

◆ RB_ENTRY()

◆ RB_HEAD()

◆ RB_PROTOTYPE()

◆ SBB_RB_FIND_INCLUSIVE()

◆ SBBCompare()

◆ StreamingBufferAppend()

◆ StreamingBufferAppendNoTrack()

◆ StreamingBufferAppendRaw()

◆ StreamingBufferClear()

◆ StreamingBufferCompareRawData()

◆ StreamingBufferFree()

◆ StreamingBufferGetData()

◆ StreamingBufferGetDataAtOffset()

◆ StreamingBufferInit()

◆ StreamingBufferInsertAt()

◆ StreamingBufferRegisterTests()

◆ StreamingBufferSBBGetData()

◆ StreamingBufferSBBGetDataAtOffset()

◆ StreamingBufferSegmentCompareRawData()

◆ StreamingBufferSegmentGetData()

◆ StreamingBufferSegmentIsBeforeWindow()

◆ StreamingBufferSlide()

◆ StreamingBufferSlideToOffset()

Variable Documentation

◆ len

◆ offset

◆ segment_len

◆ stream_offset