limiter.hpp

#pragma once
 
#include <optional>
#include <string>
 
USERVER_NAMESPACE_BEGIN
 
namespace congestion_control {
 
struct Limit {
  std::optional<size_t> load_limit;
  size_t current_load{0};
 
  std::string ToLogString() {
    return "limit=" +
           (load_limit ? std::to_string(*load_limit) : std::string("(none)"));
  }
};
 
class Limiter {
 public:
  virtual void SetLimit(const Limit& new_limit) = 0;
 
 protected:
  ~Limiter() = default;
};
 
}  // namespace congestion_control
 
USERVER_NAMESPACE_END