#include "tree.h"

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Data Structures
struct	StreamingBufferConfig_

struct	StreamingBufferRegion_

struct	StreamingBufferBlock
	block of continues data More...

struct	StreamingBuffer_

struct	StreamingBufferSegment_

Macros
#define	STREAMING_BUFFER_REGION_GAP_DEFAULT 262144

#define	STREAMING_BUFFER_CONFIG_INITIALIZER

#define	STREAMING_BUFFER_REGION_INIT

#define	STREAMING_BUFFER_INITIALIZER

Typedefs
typedef struct StreamingBufferConfig_	StreamingBufferConfig

typedef struct StreamingBufferRegion_	StreamingBufferRegion

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, const StreamingBufferConfig cfg)

void	StreamingBufferFree (StreamingBuffer sb, const StreamingBufferConfig cfg)

void	StreamingBufferSlideToOffset (StreamingBuffer sb, const StreamingBufferConfig cfg, uint64_t offset)
	slide to absolute offset More...

int	StreamingBufferAppend (StreamingBuffer sb, const StreamingBufferConfig cfg, StreamingBufferSegment seg, const uint8_t data, uint32_t data_len) WARN_UNUSED

int	StreamingBufferAppendNoTrack (StreamingBuffer sb, const StreamingBufferConfig cfg, const uint8_t *data, uint32_t data_len) WARN_UNUSED
	add data w/o tracking a segment More...

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

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_CONFIG_INITIALIZER

#define STREAMING_BUFFER_CONFIG_INITIALIZER

Value:

    {                                                                                              \
        2048, 8, STREAMING_BUFFER_REGION_GAP_DEFAULT, NULL, NULL, NULL,                            \
    }

Definition at line 75 of file util-streaming-buffer.h.

◆ STREAMING_BUFFER_INITIALIZER

#define STREAMING_BUFFER_INITIALIZER

Value:

    {                                                                                              \
        STREAMING_BUFFER_REGION_INIT,                                                              \
        { NULL },                                                                                  \
        NULL,                                                                                      \
        0,                                                                                         \
        1,                                                                                         \
        1,                                                                                         \
    };

Definition at line 138 of file util-streaming-buffer.h.

◆ STREAMING_BUFFER_REGION_GAP_DEFAULT

#define STREAMING_BUFFER_REGION_GAP_DEFAULT 262144

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

◆ STREAMING_BUFFER_REGION_INIT

#define STREAMING_BUFFER_REGION_INIT

Value:

    {                                                                                              \
        NULL, 0, 0, 0ULL, NULL,                                                                    \
    }

Definition at line 80 of file util-streaming-buffer.h.

Typedef Documentation

◆ StreamingBuffer

typedef struct StreamingBuffer_ StreamingBuffer

◆ StreamingBufferConfig

typedef struct StreamingBufferConfig_ StreamingBufferConfig

◆ StreamingBufferRegion

typedef struct StreamingBufferRegion_ StreamingBufferRegion

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 104 of file util-streaming-buffer.c.

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

◆ SBBCompare()

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

Definition at line 73 of file util-streaming-buffer.c.

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

◆ StreamingBufferAppend()

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

Definition at line 1081 of file util-streaming-buffer.c.

References BIT_U32, StreamingBufferRegion_::buf, DEBUG_VALIDATE_BUG_ON, and StreamingBuffer_::region.

Referenced by HtpBodyAppendChunk(), and UTHAddStreamToFlow().

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◆ StreamingBufferAppendNoTrack()

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

add data w/o tracking a segment

Definition at line 1125 of file util-streaming-buffer.c.

References BIT_U32, StreamingBufferRegion_::buf, DEBUG_VALIDATE_BUG_ON, and StreamingBuffer_::region.

◆ StreamingBufferClear()

void StreamingBufferClear	(	StreamingBuffer *	sb,
		const StreamingBufferConfig *	cfg
	)

Definition at line 274 of file util-streaming-buffer.c.

References StreamingBufferRegion_::buf_size, StreamingBuffer_::region, 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 1825 of file util-streaming-buffer.c.

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

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◆ StreamingBufferFree()

void StreamingBufferFree	(	StreamingBuffer *	sb,
		const StreamingBufferConfig *	cfg
	)

Definition at line 297 of file util-streaming-buffer.c.

References 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 1786 of file util-streaming-buffer.c.

References StreamingBufferRegion_::buf, StreamingBufferRegion_::buf_offset, StreamingBuffer_::region, stream_offset, and StreamingBufferRegion_::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 1803 of file util-streaming-buffer.c.

◆ StreamingBufferInit()

StreamingBuffer* StreamingBufferInit ( const StreamingBufferConfig * cfg )

Definition at line 251 of file util-streaming-buffer.c.

References StreamingBufferConfig_::buf_size, StreamingBufferRegion_::buf_size, CALLOC, StreamingBuffer_::max_regions, StreamingBuffer_::region, and StreamingBuffer_::regions.

Referenced by HtpBodyAppendChunk().

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◆ StreamingBufferInsertAt()

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

Parameters

offset offset relative to StreamingBuffer::stream_offset

Returns: SC_OK in case of success; SC_E* errors otherwise

Definition at line 1509 of file util-streaming-buffer.c.

References BIT_U32, DEBUG_VALIDATE_BUG_ON, SC_EINVAL, and StreamingBufferRegion_::stream_offset.

◆ StreamingBufferRegisterTests()

void StreamingBufferRegisterTests ( void )

Definition at line 2412 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 1660 of file util-streaming-buffer.c.

Referenced by UTHCheckDataAtPosition().

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◆ 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 1696 of file util-streaming-buffer.c.

References DEBUG_VALIDATE_BUG_ON, StreamingBufferBlock::len, offset, and StreamingBufferBlock::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 1770 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 1737 of file util-streaming-buffer.c.

Referenced by StreamingBufferSegmentCompareRawData(), StreamTcpInlineSegmentCompare(), StreamTcpSegmentForEach(), and StreamTcpSegmentForSession().

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◆ StreamingBufferSegmentIsBeforeWindow()

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

Definition at line 1628 of file util-streaming-buffer.c.

References StreamingBuffer_::region, and StreamingBufferRegion_::stream_offset.

Referenced by HtpBodyPrune().

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◆ StreamingBufferSlideToOffset()

void StreamingBufferSlideToOffset	(	StreamingBuffer *	sb,
		const StreamingBufferConfig *	cfg,
		uint64_t	offset
	)

slide to absolute offset

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

Definition at line 1004 of file util-streaming-buffer.c.

References offset, and SCLogDebug.

Referenced by HtpBodyPrune().

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Variable Documentation

◆ len

uint32_t len

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

◆ offset

◆ segment_len

uint32_t segment_len

Definition at line 0 of file util-streaming-buffer.h.

◆ stream_offset

uint64_t stream_offset

Definition at line 1 of file util-streaming-buffer.h.

Referenced by StreamingBufferGetData().

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ STREAMING_BUFFER_CONFIG_INITIALIZER

◆ STREAMING_BUFFER_INITIALIZER

◆ STREAMING_BUFFER_REGION_GAP_DEFAULT

◆ STREAMING_BUFFER_REGION_INIT

Typedef Documentation

◆ StreamingBuffer

◆ StreamingBufferConfig

◆ StreamingBufferRegion

Function Documentation

◆ RB_ENTRY()

◆ RB_HEAD()

◆ RB_PROTOTYPE()

◆ SBB_RB_FIND_INCLUSIVE()

◆ SBBCompare()

◆ StreamingBufferAppend()

◆ StreamingBufferAppendNoTrack()

◆ StreamingBufferClear()

◆ StreamingBufferCompareRawData()

◆ StreamingBufferFree()

◆ StreamingBufferGetData()

◆ StreamingBufferGetDataAtOffset()

◆ StreamingBufferInit()

◆ StreamingBufferInsertAt()

◆ StreamingBufferRegisterTests()

◆ StreamingBufferSBBGetData()

◆ StreamingBufferSBBGetDataAtOffset()

◆ StreamingBufferSegmentCompareRawData()

◆ StreamingBufferSegmentGetData()

◆ StreamingBufferSegmentIsBeforeWindow()

◆ StreamingBufferSlideToOffset()

Variable Documentation

◆ len

◆ offset

◆ segment_len

◆ stream_offset