bytes_per_second.hpp

Go to the documentation of this file.

#pragma once
 
/// @file userver/utils/bytes_per_second.hpp
/// @brief @copybrief utils::BytesPerSecond
/// @ingroup userver_universal
 
#include <string>
 
#include <userver/formats/parse/to.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace utils {
 
/// @ingroup userver_universal userver_containers
///
/// @brief Data type that represents `bytes per second` unit
enum class BytesPerSecond : long long {};
 
constexpr long long ToLongLong(BytesPerSecond x) {
  return static_cast<long long>(x);
}
 
constexpr bool operator==(BytesPerSecond lhs, BytesPerSecond rhs) {
  return ToLongLong(lhs) == ToLongLong(rhs);
}
 
constexpr bool operator!=(BytesPerSecond lhs, BytesPerSecond rhs) {
  return !(lhs == rhs);
}
 
/// Understands all the date-rate unit suffixes from
/// https://en.wikipedia.org/wiki/Data-rate_units#Conversion_table
BytesPerSecond StringToBytesPerSecond(const std::string& data);
 
template <class Value>
BytesPerSecond Parse(const Value& v, formats::parse::To<BytesPerSecond>) {
  return StringToBytesPerSecond(v.template As<std::string>());
}
 
}  // namespace utils
 
USERVER_NAMESPACE_END