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include/grpc/impl/codegen/compression_types.h
(grpc#31726)
* Remove `include/grpc/impl/codegen/compression_types.h` * Automated change: Fix sanity tests
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/* | ||
* | ||
* Copyright 2016 gRPC authors. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
* | ||
*/ | ||
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#ifndef GRPC_IMPL_COMPRESSION_TYPES_H | ||
#define GRPC_IMPL_COMPRESSION_TYPES_H | ||
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// IWYU pragma: private, include <grpc/compression.h> | ||
// IWYU pragma: friend "src/.*" | ||
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#include <grpc/support/port_platform.h> | ||
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#ifdef __cplusplus | ||
extern "C" { | ||
#endif | ||
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/** To be used as initial metadata key for the request of a concrete compression | ||
* algorithm */ | ||
#define GRPC_COMPRESSION_REQUEST_ALGORITHM_MD_KEY \ | ||
"grpc-internal-encoding-request" | ||
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/** To be used in channel arguments. | ||
* | ||
* \addtogroup grpc_arg_keys | ||
* \{ */ | ||
/** Default compression algorithm for the channel. | ||
* Its value is an int from the \a grpc_compression_algorithm enum. */ | ||
#define GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM \ | ||
"grpc.default_compression_algorithm" | ||
/** Default compression level for the channel. | ||
* Its value is an int from the \a grpc_compression_level enum. */ | ||
#define GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL "grpc.default_compression_level" | ||
/** Compression algorithms supported by the channel. | ||
* Its value is a bitset (an int). Bits correspond to algorithms in \a | ||
* grpc_compression_algorithm. For example, its LSB corresponds to | ||
* GRPC_COMPRESS_NONE, the next bit to GRPC_COMPRESS_DEFLATE, etc. | ||
* Unset bits disable support for the algorithm. By default all algorithms are | ||
* supported. It's not possible to disable GRPC_COMPRESS_NONE (the attempt will | ||
* be ignored). */ | ||
#define GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET \ | ||
"grpc.compression_enabled_algorithms_bitset" | ||
/** \} */ | ||
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/** The various compression algorithms supported by gRPC (not sorted by | ||
* compression level) */ | ||
typedef enum { | ||
GRPC_COMPRESS_NONE = 0, | ||
GRPC_COMPRESS_DEFLATE, | ||
GRPC_COMPRESS_GZIP, | ||
/* TODO(ctiller): snappy */ | ||
GRPC_COMPRESS_ALGORITHMS_COUNT | ||
} grpc_compression_algorithm; | ||
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/** Compression levels allow a party with knowledge of its peer's accepted | ||
* encodings to request compression in an abstract way. The level-algorithm | ||
* mapping is performed internally and depends on the peer's supported | ||
* compression algorithms. */ | ||
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; | ||
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typedef struct grpc_compression_options { | ||
/** All algs are enabled by default. This option corresponds to the channel | ||
* argument key behind \a GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET | ||
*/ | ||
uint32_t enabled_algorithms_bitset; | ||
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/** The default compression level. It'll be used in the absence of call | ||
* specific settings. This option corresponds to the channel | ||
* argument key behind \a GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL. If present, | ||
* takes precedence over \a default_algorithm. | ||
* TODO(dgq): currently only available for server channels. */ | ||
struct grpc_compression_options_default_level { | ||
int is_set; | ||
grpc_compression_level level; | ||
} default_level; | ||
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/** The default message compression algorithm. It'll be used in the absence of | ||
* call specific settings. This option corresponds to the channel argument key | ||
* behind \a GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM. */ | ||
struct grpc_compression_options_default_algorithm { | ||
int is_set; | ||
grpc_compression_algorithm algorithm; | ||
} default_algorithm; | ||
} grpc_compression_options; | ||
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#ifdef __cplusplus | ||
} | ||
#endif | ||
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#endif /* GRPC_IMPL_COMPRESSION_TYPES_H */ |
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