/* * * Copyright 2015 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. * */ #ifndef GRPC_COMPRESSION_H #define GRPC_COMPRESSION_H #include <grpc/impl/codegen/port_platform.h> #include <stdlib.h> #include <grpc/impl/codegen/compression_types.h> #include <grpc/slice.h> #ifdef __cplusplus extern "C" { #endif /** Return if an algorithm is message compression algorithm. */ GRPCAPI int grpc_compression_algorithm_is_message( grpc_compression_algorithm algorithm); /** Return if an algorithm is stream compression algorithm. */ GRPCAPI int grpc_compression_algorithm_is_stream( grpc_compression_algorithm algorithm); /** Parses the \a slice as a grpc_compression_algorithm instance and updating \a * algorithm. Returns 1 upon success, 0 otherwise. */ GRPCAPI int grpc_compression_algorithm_parse( grpc_slice name, grpc_compression_algorithm* algorithm); /** Updates \a name with the encoding name corresponding to a valid \a * algorithm. Note that \a name is statically allocated and must *not* be freed. * Returns 1 upon success, 0 otherwise. */ GRPCAPI int grpc_compression_algorithm_name( grpc_compression_algorithm algorithm, const char** name); /** Returns the compression algorithm corresponding to \a level for the * compression algorithms encoded in the \a accepted_encodings bitset.*/ GRPCAPI grpc_compression_algorithm grpc_compression_algorithm_for_level( grpc_compression_level level, uint32_t accepted_encodings); GRPCAPI void grpc_compression_options_init(grpc_compression_options* opts); /** Mark \a algorithm as enabled in \a opts. */ GRPCAPI void grpc_compression_options_enable_algorithm( grpc_compression_options* opts, grpc_compression_algorithm algorithm); /** Mark \a algorithm as disabled in \a opts. */ GRPCAPI 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. */ GRPCAPI int grpc_compression_options_is_algorithm_enabled( const grpc_compression_options* opts, grpc_compression_algorithm algorithm); #ifdef __cplusplus } #endif #endif /* GRPC_COMPRESSION_H */