Grcov report - codec

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#pragma once

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#include "envoy/http/header_validator.h"

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#include "envoy/stats/scope.h"

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#include "envoy/stats/stats_macros.h"

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#include "source/common/common/thread.h"

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namespace Envoy {

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namespace Http {

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namespace Http1 {

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/**

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 * All stats for the HTTP/1 codec. @see stats_macros.h

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*/

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#define ALL_HTTP1_CODEC_STATS(COUNTER)                                                             \

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  COUNTER(dropped_headers_with_underscores)                                                        \

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  COUNTER(metadata_not_supported_error)                                                            \

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  COUNTER(requests_rejected_with_underscores_in_headers)                                           \

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  COUNTER(response_flood)

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/**

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 * Wrapper struct for the HTTP/1 codec stats. @see stats_macros.h

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*/

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struct CodecStats : public ::Envoy::Http::HeaderValidatorStats {

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  using AtomicPtr = Thread::AtomicPtr<CodecStats, Thread::AtomicPtrAllocMode::DeleteOnDestruct>;

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  CodecStats(ALL_HTTP1_CODEC_STATS(GENERATE_CONSTRUCTOR_COUNTER_PARAM)...)

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      : ::Envoy::Http::HeaderValidatorStats()

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            ALL_HTTP1_CODEC_STATS(GENERATE_CONSTRUCTOR_INIT_LIST) {}

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  static CodecStats& atomicGet(AtomicPtr& ptr, Stats::Scope& scope) {

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    return *ptr.get([&scope]() -> CodecStats* {

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      return new CodecStats{ALL_HTTP1_CODEC_STATS(POOL_COUNTER_PREFIX(scope, "http1."))};

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});

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  void incDroppedHeadersWithUnderscores() override { dropped_headers_with_underscores_.inc(); }

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  void incRequestsRejectedWithUnderscoresInHeaders() override {

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    requests_rejected_with_underscores_in_headers_.inc();

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  // TODO(yanavlasov): add corresponding counter for H/1 codec.

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  void incMessagingError() override {}

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  ALL_HTTP1_CODEC_STATS(GENERATE_COUNTER_STRUCT)

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};

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} // namespace Http1

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} // namespace Http

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} // namespace Envoy