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/*
*
* 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_CORE_EXT_FILTERS_HTTP_MESSAGE_COMPRESS_MESSAGE_COMPRESS_FILTER_H
#define GRPC_CORE_EXT_FILTERS_HTTP_MESSAGE_COMPRESS_MESSAGE_COMPRESS_FILTER_H
#include <grpc/impl/codegen/compression_types.h>
#include "src/core/lib/channel/channel_stack.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Compression filter for outgoing data.
*
* See <grpc/compression.h> for the available compression settings.
*
* Compression settings may come from:
* - Channel configuration, as established at channel creation time.
* - The metadata accompanying the outgoing data to be compressed. This is
* taken as a request only. We may choose not to honor it. The metadata key
* is given by \a GRPC_COMPRESSION_REQUEST_ALGORITHM_MD_KEY.
*
* Compression can be disabled for concrete messages (for instance in order to
* prevent CRIME/BEAST type attacks) by having the GRPC_WRITE_NO_COMPRESS set in
* the BEGIN_MESSAGE flags.
*
* The attempted compression mechanism is added to the resulting initial
* metadata under the'grpc-encoding' key.
*
* If compression is actually performed, BEGIN_MESSAGE's flag is modified to
* incorporate GRPC_WRITE_INTERNAL_COMPRESS. Otherwise, and regardless of the
* aforementioned 'grpc-encoding' metadata value, data will pass through
* uncompressed. */
extern const grpc_channel_filter grpc_message_compress_filter;
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_EXT_FILTERS_HTTP_MESSAGE_COMPRESS_MESSAGE_COMPRESS_FILTER_H \
*/
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