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#pragma once
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#include "envoy/compression/decompressor/config.h"

            

        

            

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#include "envoy/extensions/compression/gzip/decompressor/v3/gzip.pb.h"

            

        

            

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#include "envoy/extensions/compression/gzip/decompressor/v3/gzip.pb.validate.h"

            

        

            

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#include "source/common/http/headers.h"

            

        

            

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#include "source/extensions/compression/common/decompressor/factory_base.h"

            

        

            

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#include "source/extensions/compression/gzip/decompressor/zlib_decompressor_impl.h"

            

        

            

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namespace Envoy {

            

        

            

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namespace Extensions {

            

        

            

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namespace Compression {

            

        

            

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namespace Gzip {

            

        

            

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namespace Decompressor {

            

        

            

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namespace {

            

        

            

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const std::string& gzipStatsPrefix() { CONSTRUCT_ON_FIRST_USE(std::string, "gzip."); }

            

        

            

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const std::string& gzipExtensionName() {

            

        

            

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  CONSTRUCT_ON_FIRST_USE(std::string, "envoy.compression.gzip.decompressor");

            

        

            

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}

            

        

            

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} // namespace

            

        

            

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class GzipDecompressorFactory : public Envoy::Compression::Decompressor::DecompressorFactory {

            

        

            

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public:

            

        

            

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  GzipDecompressorFactory(const envoy::extensions::compression::gzip::decompressor::v3::Gzip& gzip,

            

        

            

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                          Stats::Scope& scope);

            

        

            

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  // Envoy::Compression::Decompressor::DecompressorFactory

            

        

            

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  Envoy::Compression::Decompressor::DecompressorPtr

            

        

            

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  createDecompressor(const std::string& stats_prefix) override;

            

        

            

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  const std::string& statsPrefix() const override { return gzipStatsPrefix(); }

            

        

            

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  const std::string& contentEncoding() const override {

            

        

            

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    return Http::CustomHeaders::get().ContentEncodingValues.Gzip;

            

        

            

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  }

            

        

            

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private:

            

        

            

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  Stats::Scope& scope_;

            

        

            

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  const int32_t window_bits_;

            

        

            

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  const uint32_t chunk_size_;

            

        

            

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  const uint64_t max_inflate_ratio_;

            

        

            

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};

            

        

            

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class GzipDecompressorLibraryFactory

            

        

            

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    : public Compression::Common::Decompressor::DecompressorLibraryFactoryBase<

            

        

            

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          envoy::extensions::compression::gzip::decompressor::v3::Gzip> {

            

        

            

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public:

            

        

            

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  GzipDecompressorLibraryFactory() : DecompressorLibraryFactoryBase(gzipExtensionName()) {}

            

        

            

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private:

            

        

            

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  Envoy::Compression::Decompressor::DecompressorFactoryPtr createDecompressorFactoryFromProtoTyped(

            

        

            

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      const envoy::extensions::compression::gzip::decompressor::v3::Gzip& proto_config,

            

        

            

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      Server::Configuration::FactoryContext& context) override;

            

        

            

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};

            

        

            

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DECLARE_FACTORY(GzipDecompressorLibraryFactory);

            

        

            

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} // namespace Decompressor

            

        

            

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} // namespace Gzip

            

        

            

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} // namespace Compression

            

        

            

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} // namespace Extensions

            

        

            

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} // namespace Envoy