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Removed possibly unnecessary is_tcp_fast_open_supported-function

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This commit is contained in:
eidheim 2019-01-10 12:57:38 +01:00
commit b7e5a37da4
2 changed files with 2 additions and 26 deletions
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5
server_http.hpp
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@ -401,11 +401,10 @@ namespace SimpleWeb {
acceptor = std::unique_ptr<asio::ip::tcp::acceptor>(new asio::ip::tcp::acceptor(*io_service)); acceptor = std::unique_ptr<asio::ip::tcp::acceptor>(new asio::ip::tcp::acceptor(*io_service));
acceptor->open(endpoint.protocol()); acceptor->open(endpoint.protocol());
acceptor->set_option(asio::socket_base::reuse_address(config.reuse_address)); acceptor->set_option(asio::socket_base::reuse_address(config.reuse_address));
if (config.fast_open && is_tcp_fast_open_supported(connection_mode::server)) if(config.fast_open) {
{
#if defined(__linux__) && defined(TCP_FASTOPEN) #if defined(__linux__) && defined(TCP_FASTOPEN)
const int qlen = 5; // This seems to be the value that is used in other examples. const int qlen = 5; // This seems to be the value that is used in other examples.
error_code ec{}; error_code ec;
acceptor->set_option(asio::detail::socket_option::integer<IPPROTO_TCP, TCP_FASTOPEN>(qlen), ec); acceptor->set_option(asio::detail::socket_option::integer<IPPROTO_TCP, TCP_FASTOPEN>(qlen), ec);
#endif // End Linux #endif // End Linux
} }

23
utility.hpp
View file

@ -8,10 +8,6 @@
#include <memory> #include <memory>
#include <string> #include <string>
#include <unordered_map> #include <unordered_map>
#if defined(__linux__)
#include <fstream>
#include <sstream>
#endif
#if __cplusplus > 201402L || _MSVC_LANG > 201402L #if __cplusplus > 201402L || _MSVC_LANG > 201402L
#include <string_view> #include <string_view>
@ -30,25 +26,6 @@ namespace SimpleWeb {
#endif #endif
namespace SimpleWeb { namespace SimpleWeb {
enum class connection_mode { client = 1, server = 2 };
inline bool is_tcp_fast_open_supported(const connection_mode mode)
{
#if defined(__linux__)
std::ifstream ifs("/proc/sys/net/ipv4/tcp_fastopen");
if (!ifs) { return false; }
std::string line;
if (!std::getline(ifs, line)) { return false; }
std::istringstream iss(line);
int value = 0;
iss >> value;
if (!iss) { return false; } // Should never happen in theory.
return (static_cast<int>(mode) & value) != 0;
#else
(void)mode;
return false;
#endif
}
inline bool case_insensitive_equal(const std::string &str1, const std::string &str2) noexcept { inline bool case_insensitive_equal(const std::string &str1, const std::string &str2) noexcept {
return str1.size() == str2.size() && return str1.size() == str2.size() &&
std::equal(str1.begin(), str1.end(), str2.begin(), [](char a, char b) { std::equal(str1.begin(), str1.end(), str2.begin(), [](char a, char b) {