config.hpp

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#pragma once
 
/// @file userver/congestion_control/config.hpp
/// @brief Congestion Control config structures
 
#include <cstddef>
 
#include <userver/dynamic_config/snapshot.hpp>
#include <userver/formats/json_fwd.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace congestion_control {
 
struct Policy {
  size_t min_limit{2};
  double up_rate_percent{2};
  double down_rate_percent{5};
 
  size_t overload_on{10};
  size_t overload_off{3};
 
  size_t up_count{3};
  size_t down_count{3};
  size_t no_limit_count{1000};
 
  size_t load_limit_percent{0};
  size_t load_limit_crit_percent{0};
 
  double start_limit_factor{0.75};
};
 
Policy Parse(const formats::json::Value& policy, formats::parse::To<Policy>);
 
namespace impl {
 
struct RpsCcConfig {
  Policy policy;
  bool is_enabled{};
  int activate_factor{0};
 
  static RpsCcConfig Parse(const dynamic_config::DocsMap& docs_map);
};
 
inline constexpr dynamic_config::Key<RpsCcConfig::Parse> kRpsCcConfig;
 
}  // namespace impl
 
}  // namespace congestion_control
 
USERVER_NAMESPACE_END