http_version.hpp

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#pragma once
 
/// @file userver/http/http_version.hpp
/// @brief @copybrief http::HttpVersion
 
#include <string_view>
 
#include <userver/yaml_config/fwd.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace http {
 
/// @brief HTTP version to use
enum class HttpVersion {
    kDefault,          ///< unspecified version
    k10,               ///< HTTP/1.0 only
    k11,               ///< HTTP/1.1 only
    k2,                ///< HTTP/2 with fallback to HTTP/1.1
    k2Tls,             ///< HTTP/2 over TLS only, otherwise (no TLS or h2) HTTP/1.1
    k2PriorKnowledge,  ///< HTTP/2 only (without Upgrade)
};
 
std::string_view ToString(HttpVersion version);
 
HttpVersion HttpVersionFromString(std::string_view version);
 
HttpVersion Parse(const yaml_config::YamlConfig& value, formats::parse::To<HttpVersion>);
 
}  // namespace http
 
USERVER_NAMESPACE_END