Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include "envoy/router/context.h"
       4             : #include "envoy/router/router.h"
       5             : #include "envoy/stats/stats_macros.h"
       6             : 
       7             : #include "source/common/common/assert.h"
       8             : 
       9             : namespace Envoy {
      10             : namespace Router {
      11             : 
      12             : /**
      13             :  * All router filter stats. @see stats_macros.h
      14             :  */
      15             : #define ALL_ROUTER_STATS(COUNTER, GAUGE, HISTOGRAM, TEXT_READOUT, STATNAME)                        \
      16             :   COUNTER(no_cluster)                                                                              \
      17             :   COUNTER(no_route)                                                                                \
      18             :   COUNTER(passthrough_internal_redirect_bad_location)                                              \
      19             :   COUNTER(passthrough_internal_redirect_no_route)                                                  \
      20             :   COUNTER(passthrough_internal_redirect_predicate)                                                 \
      21             :   COUNTER(passthrough_internal_redirect_too_many_redirects)                                        \
      22             :   COUNTER(passthrough_internal_redirect_unsafe_scheme)                                             \
      23             :   COUNTER(rq_direct_response)                                                                      \
      24             :   COUNTER(rq_redirect)                                                                             \
      25             :   COUNTER(rq_reset_after_downstream_response_started)                                              \
      26             :   COUNTER(rq_total)                                                                                \
      27             :   STATNAME(retry)
      28             : 
      29             : MAKE_STAT_NAMES_STRUCT(StatNames, ALL_ROUTER_STATS);
      30             : 
      31             : /**
      32             :  * Captures router-related structures with cardinality of one per server.
      33             :  */
      34             : class ContextImpl : public Context {
      35             : public:
      36             :   explicit ContextImpl(Stats::SymbolTable& symbol_table);
      37         481 :   ~ContextImpl() override = default;
      38             : 
      39         350 :   const StatNames& statNames() const override { return stat_names_; }
      40        1278 :   const VirtualClusterStatNames& virtualClusterStatNames() const override {
      41        1278 :     return virtual_cluster_stat_names_;
      42        1278 :   }
      43           5 :   const RouteStatNames& routeStatNames() const override { return route_stat_names_; }
      44         251 :   GenericConnPoolFactory& genericConnPoolFactory() override {
      45         251 :     ASSERT(generic_conn_pool_factory_ != nullptr);
      46         251 :     return *generic_conn_pool_factory_;
      47         251 :   }
      48             : 
      49             : private:
      50             :   const StatNames stat_names_;
      51             :   const RouteStatNames route_stat_names_;
      52             :   const VirtualClusterStatNames virtual_cluster_stat_names_;
      53             :   GenericConnPoolFactory* generic_conn_pool_factory_;
      54             : };
      55             : 
      56             : class RouteStatsContextImpl : public RouteStatsContext {
      57             : public:
      58             :   RouteStatsContextImpl(Stats::Scope& scope, const RouteStatNames& route_stat_names,
      59             :                         const Stats::StatName& vhost_stat_name, const std::string& stat_prefix);
      60             : 
      61           5 :   ~RouteStatsContextImpl() override = default;
      62             : 
      63           0 :   Stats::StatName statName() const override { return route_stat_name_; }
      64           0 :   const RouteStats& stats() const override { return route_stats_; }
      65             : 
      66             : private:
      67             :   const Stats::StatNameManagedStorage route_stat_name_storage_;
      68             :   Stats::ScopeSharedPtr route_stats_scope_;
      69             :   Stats::StatName route_stat_name_;
      70             :   RouteStats route_stats_;
      71             : };
      72             : 
      73             : } // namespace Router
      74             : } // namespace Envoy