Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include "envoy/http/header_validator.h"
       4             : #include "envoy/stats/scope.h"
       5             : #include "envoy/stats/stats_macros.h"
       6             : 
       7             : #include "source/common/common/thread.h"
       8             : 
       9             : namespace Envoy {
      10             : namespace Http {
      11             : namespace Http1 {
      12             : 
      13             : /**
      14             :  * All stats for the HTTP/1 codec. @see stats_macros.h
      15             :  */
      16             : #define ALL_HTTP1_CODEC_STATS(COUNTER)                                                             \
      17         326 :   COUNTER(dropped_headers_with_underscores)                                                        \
      18         326 :   COUNTER(metadata_not_supported_error)                                                            \
      19         326 :   COUNTER(requests_rejected_with_underscores_in_headers)                                           \
      20         326 :   COUNTER(response_flood)
      21             : 
      22             : /**
      23             :  * Wrapper struct for the HTTP/1 codec stats. @see stats_macros.h
      24             :  */
      25             : struct CodecStats : public ::Envoy::Http::HeaderValidatorStats {
      26             :   using AtomicPtr = Thread::AtomicPtr<CodecStats, Thread::AtomicPtrAllocMode::DeleteOnDestruct>;
      27             : 
      28             :   CodecStats(ALL_HTTP1_CODEC_STATS(GENERATE_CONSTRUCTOR_COUNTER_PARAM)...)
      29             :       : ::Envoy::Http::HeaderValidatorStats()
      30         326 :             ALL_HTTP1_CODEC_STATS(GENERATE_CONSTRUCTOR_INIT_LIST) {}
      31             : 
      32        3112 :   static CodecStats& atomicGet(AtomicPtr& ptr, Stats::Scope& scope) {
      33        3112 :     return *ptr.get([&scope]() -> CodecStats* {
      34         326 :       return new CodecStats{ALL_HTTP1_CODEC_STATS(POOL_COUNTER_PREFIX(scope, "http1."))};
      35         326 :     });
      36        3112 :   }
      37             : 
      38           0 :   void incDroppedHeadersWithUnderscores() override { dropped_headers_with_underscores_.inc(); }
      39           0 :   void incRequestsRejectedWithUnderscoresInHeaders() override {
      40           0 :     requests_rejected_with_underscores_in_headers_.inc();
      41           0 :   }
      42             :   // TODO(yanavlasov): add corresponding counter for H/1 codec.
      43           0 :   void incMessagingError() override {}
      44             : 
      45             :   ALL_HTTP1_CODEC_STATS(GENERATE_COUNTER_STRUCT)
      46             : };
      47             : 
      48             : } // namespace Http1
      49             : } // namespace Http
      50             : } // namespace Envoy