Grcov report - config.h

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#pragma once

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

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

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#include "envoy/extensions/compression/zstd/decompressor/v3/zstd.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/zstd/decompressor/zstd_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 Zstd {

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namespace Decompressor {

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namespace {

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const std::string& zstdStatsPrefix() { CONSTRUCT_ON_FIRST_USE(std::string, "zstd."); }

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const std::string& zstdExtensionName() {

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

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} // namespace

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

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public:

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  ZstdDecompressorFactory(const envoy::extensions::compression::zstd::decompressor::v3::Zstd& zstd,

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                          Stats::Scope& scope, Event::Dispatcher& dispatcher, Api::Api& api,

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                          ThreadLocal::SlotAllocator& tls);

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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 zstdStatsPrefix(); }

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

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

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private:

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  Stats::Scope& scope_;

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  const uint32_t chunk_size_;

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  ZstdDDictManagerPtr ddict_manager_{nullptr};

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};

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class ZstdDecompressorLibraryFactory

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

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          envoy::extensions::compression::zstd::decompressor::v3::Zstd> {

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public:

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  ZstdDecompressorLibraryFactory() : DecompressorLibraryFactoryBase(zstdExtensionName()) {}

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private:

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

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      const envoy::extensions::compression::zstd::decompressor::v3::Zstd& proto_config,

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

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};

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DECLARE_FACTORY(ZstdDecompressorLibraryFactory);

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} // namespace Decompressor

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} // namespace Zstd

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} // namespace Compression

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} // namespace Extensions

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} // namespace Envoy