/usr/include/grpc/compression.h is in libgrpc-dev 0.11.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | /*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_COMPRESSION_H
#define GRPC_COMPRESSION_H
#include <stdlib.h>
#include <grpc/support/port_platform.h>
#ifdef __cplusplus
extern "C" {
#endif
/** To be used in channel arguments */
#define GRPC_COMPRESSION_ALGORITHM_ARG "grpc.compression_algorithm"
#define GRPC_COMPRESSION_ALGORITHM_STATE_ARG "grpc.compression_algorithm_state"
/* The various compression algorithms supported by GRPC */
typedef enum {
GRPC_COMPRESS_NONE = 0,
GRPC_COMPRESS_DEFLATE,
GRPC_COMPRESS_GZIP,
/* TODO(ctiller): snappy */
GRPC_COMPRESS_ALGORITHMS_COUNT
} grpc_compression_algorithm;
typedef enum {
GRPC_COMPRESS_LEVEL_NONE = 0,
GRPC_COMPRESS_LEVEL_LOW,
GRPC_COMPRESS_LEVEL_MED,
GRPC_COMPRESS_LEVEL_HIGH,
GRPC_COMPRESS_LEVEL_COUNT
} grpc_compression_level;
typedef struct grpc_compression_options {
gpr_uint32 enabled_algorithms_bitset; /**< All algs are enabled by default */
grpc_compression_algorithm default_compression_algorithm; /**< for channel */
} grpc_compression_options;
/** Parses the first \a name_length bytes of \a name as a
* grpc_compression_algorithm instance, updating \a algorithm. Returns 1 upon
* success, 0 otherwise. */
int grpc_compression_algorithm_parse(const char *name, size_t name_length,
grpc_compression_algorithm *algorithm);
/** Updates \a name with the encoding name corresponding to a valid \a
* algorithm. Returns 1 upon success, 0 otherwise. */
int grpc_compression_algorithm_name(grpc_compression_algorithm algorithm,
char **name);
/** Returns the compression level corresponding to \a algorithm.
*
* It abort()s for unknown algorithms. */
grpc_compression_level grpc_compression_level_for_algorithm(
grpc_compression_algorithm algorithm);
/** Returns the compression algorithm corresponding to \a level.
*
* It abort()s for unknown levels . */
grpc_compression_algorithm grpc_compression_algorithm_for_level(
grpc_compression_level level);
void grpc_compression_options_init(grpc_compression_options *opts);
/** Mark \a algorithm as enabled in \a opts. */
void grpc_compression_options_enable_algorithm(
grpc_compression_options *opts, grpc_compression_algorithm algorithm);
/** Mark \a algorithm as disabled in \a opts. */
void grpc_compression_options_disable_algorithm(
grpc_compression_options *opts, grpc_compression_algorithm algorithm);
/** Returns true if \a algorithm is marked as enabled in \a opts. */
int grpc_compression_options_is_algorithm_enabled(
const grpc_compression_options *opts, grpc_compression_algorithm algorithm);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_COMPRESSION_H */
|