Grcov report - data

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#pragma once

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#include "envoy/extensions/matching/http/dynamic_modules/v3/dynamic_modules.pb.h"

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#include "envoy/extensions/matching/http/dynamic_modules/v3/dynamic_modules.pb.validate.h"

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#include "envoy/http/filter.h"

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#include "envoy/matcher/matcher.h"

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namespace Envoy {

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namespace Extensions {

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namespace Matching {

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namespace Http {

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namespace DynamicModules {

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/**

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 * Dynamic module matcher specific matching data. This wraps the HTTP matching context

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 * (request/response headers and trailers) so that the dynamic module can access them

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 * via ABI callbacks during match evaluation.

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*/

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class DynamicModuleMatchData : public ::Envoy::Matcher::CustomMatchData {

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public:

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  const ::Envoy::Http::RequestHeaderMap* request_headers_{};

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  const ::Envoy::Http::ResponseHeaderMap* response_headers_{};

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  const ::Envoy::Http::ResponseTrailerMap* response_trailers_{};

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};

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/**

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 * Data input that extracts HTTP request and response data from the matching context

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 * and wraps it as DynamicModuleMatchData for consumption by the dynamic module matcher.

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*/

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class HttpDynamicModuleDataInput

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    : public ::Envoy::Matcher::DataInput<::Envoy::Http::HttpMatchingData> {

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public:

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  HttpDynamicModuleDataInput() = default;

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  ::Envoy::Matcher::DataInputGetResult

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  get(const ::Envoy::Http::HttpMatchingData& data) const override {

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    auto match_data = std::make_shared<DynamicModuleMatchData>();

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    match_data->request_headers_ = data.requestHeaders().ptr();

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    match_data->response_headers_ = data.responseHeaders().ptr();

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    match_data->response_trailers_ = data.responseTrailers().ptr();

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    return ::Envoy::Matcher::DataInputGetResult::CreateCustom(std::move(match_data));

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  absl::string_view dataInputType() const override { return "dynamic_module_data_input"; }

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};

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class HttpDynamicModuleDataInputFactory

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    : public ::Envoy::Matcher::DataInputFactory<::Envoy::Http::HttpMatchingData> {

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public:

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  HttpDynamicModuleDataInputFactory() = default;

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  std::string name() const override { return "envoy.matching.inputs.dynamic_module_data_input"; }

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  ::Envoy::Matcher::DataInputFactoryCb<::Envoy::Http::HttpMatchingData>

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  createDataInputFactoryCb(const Protobuf::Message&, ProtobufMessage::ValidationVisitor&) override {

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    return [] { return std::make_unique<HttpDynamicModuleDataInput>(); };

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  ProtobufTypes::MessagePtr createEmptyConfigProto() override {

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    return std::make_unique<

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        envoy::extensions::matching::http::dynamic_modules::v3::HttpDynamicModuleMatchInput>();

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};

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DECLARE_FACTORY(HttpDynamicModuleDataInputFactory);

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} // namespace DynamicModules

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} // namespace Http

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} // namespace Matching

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} // namespace Extensions

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} // namespace Envoy