| /* |
| * |
| * Copyright 2016, 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_IMPL_CODEGEN_COMPRESSION_TYPES_H |
| #define GRPC_IMPL_CODEGEN_COMPRESSION_TYPES_H |
| |
| #include <grpc/impl/codegen/port_platform.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** To be used in channel arguments */ |
| #define GRPC_COMPRESSION_CHANNEL_DEFAULT_ALGORITHM \ |
| "grpc.default_compression_algorithm" |
| #define GRPC_COMPRESSION_CHANNEL_DEFAULT_LEVEL "grpc.default_compression_level" |
| #define GRPC_COMPRESSION_CHANNEL_ENABLED_ALGORITHMS_BITSET \ |
| "grpc.compression_enabled_algorithms_bitset" |
| |
| /* 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; |
| |
| /** 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; |
| |
| 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; |
| |
| /** The default channel 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 */ |
| grpc_compression_algorithm default_compression_algorithm; |
| |
| /** The default channel 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 */ |
| grpc_compression_algorithm default_compression_level; |
| } grpc_compression_options; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_IMPL_CODEGEN_COMPRESSION_TYPES_H */ |