compression.cc File Reference

#include <grpc/support/port_platform.h>
#include <stdlib.h>
#include <string.h>
#include <grpc/compression.h>
#include "src/core/lib/compression/algorithm_metadata.h"
#include "src/core/lib/compression/compression_internal.h"
#include "src/core/lib/gpr/useful.h"
#include "src/core/lib/slice/slice_utils.h"
#include "src/core/lib/surface/api_trace.h"
#include "src/core/lib/transport/static_metadata.h"

Functions
int	grpc_compression_algorithm_is_message (grpc_compression_algorithm algorithm)
	Return if an algorithm is message compression algorithm. More...
int	grpc_compression_algorithm_is_stream (grpc_compression_algorithm algorithm)
	Return if an algorithm is stream compression algorithm. More...
int	grpc_compression_algorithm_parse (grpc_slice name, grpc_compression_algorithm *algorithm)
	Parses the slice as a grpc_compression_algorithm instance and updating algorithm. More...
int	grpc_compression_algorithm_name (grpc_compression_algorithm algorithm, const char **name)
	Updates name with the encoding name corresponding to a valid algorithm. More...
grpc_compression_algorithm	grpc_compression_algorithm_for_level (grpc_compression_level level, uint32_t accepted_encodings)
	Returns the compression algorithm corresponding to level for the compression algorithms encoded in the accepted_encodings bitset. More...
void	grpc_compression_options_init (grpc_compression_options *opts)
void	grpc_compression_options_enable_algorithm (grpc_compression_options *opts, grpc_compression_algorithm algorithm)
	Mark algorithm as enabled in opts. More...
void	grpc_compression_options_disable_algorithm (grpc_compression_options *opts, grpc_compression_algorithm algorithm)
	Mark algorithm as disabled in opts. More...
int	grpc_compression_options_is_algorithm_enabled (const grpc_compression_options *opts, grpc_compression_algorithm algorithm)
	Returns true if algorithm is marked as enabled in opts. More...
grpc_slice	grpc_compression_algorithm_slice (grpc_compression_algorithm algorithm)
	Return compression algorithm based metadata value. More...
grpc_compression_algorithm	grpc_compression_algorithm_from_slice (const grpc_slice &str)
	Find compression algorithm based on passed in mdstr - returns GRPC_COMPRESS_ALGORITHM_COUNT on failure. More...
grpc_mdelem	grpc_compression_encoding_mdelem (grpc_compression_algorithm algorithm)
	Return compression algorithm based metadata element. More...

Function Documentation

grpc_compression_algorithm_for_level()

grpc_compression_algorithm grpc_compression_algorithm_for_level	(	grpc_compression_level	level,
		uint32_t	accepted_encodings
	)

Returns the compression algorithm corresponding to level for the compression algorithms encoded in the accepted_encodings bitset.

grpc_compression_algorithm_from_slice()

grpc_compression_algorithm grpc_compression_algorithm_from_slice

(

const grpc_slice &

str

)

Find compression algorithm based on passed in mdstr - returns GRPC_COMPRESS_ALGORITHM_COUNT on failure.

grpc_compression_algorithm_is_message()

int grpc_compression_algorithm_is_message

(

grpc_compression_algorithm

algorithm

)

Return if an algorithm is message compression algorithm.

grpc_compression_algorithm_is_stream()

int grpc_compression_algorithm_is_stream

(

grpc_compression_algorithm

algorithm

)

Return if an algorithm is stream compression algorithm.

grpc_compression_algorithm_name()

int grpc_compression_algorithm_name	(	grpc_compression_algorithm	algorithm,
		const char **	name
	)

Updates name with the encoding name corresponding to a valid algorithm.

Note that name is statically allocated and must not be freed. Returns 1 upon success, 0 otherwise.

grpc_compression_algorithm_parse()

int grpc_compression_algorithm_parse	(	grpc_slice	value,
		grpc_compression_algorithm *	algorithm
	)

Parses the slice as a grpc_compression_algorithm instance and updating algorithm.

Returns 1 upon success, 0 otherwise.

grpc_compression_algorithm_slice()

grpc_slice grpc_compression_algorithm_slice

(

grpc_compression_algorithm

algorithm

)

Return compression algorithm based metadata value.

grpc_compression_encoding_mdelem()

grpc_mdelem grpc_compression_encoding_mdelem

(

grpc_compression_algorithm

algorithm

)

Return compression algorithm based metadata element.

grpc_compression_options_disable_algorithm()

void grpc_compression_options_disable_algorithm	(	grpc_compression_options *	opts,
		grpc_compression_algorithm	algorithm
	)

Mark algorithm as disabled in opts.

grpc_compression_options_enable_algorithm()

void grpc_compression_options_enable_algorithm	(	grpc_compression_options *	opts,
		grpc_compression_algorithm	algorithm
	)

Mark algorithm as enabled in opts.

grpc_compression_options_init()

void grpc_compression_options_init

(

grpc_compression_options *

opts

)

grpc_compression_options_is_algorithm_enabled()

int grpc_compression_options_is_algorithm_enabled	(	const grpc_compression_options *	opts,
		grpc_compression_algorithm	algorithm
	)

Returns true if algorithm is marked as enabled in opts.