jyapayne/Simple-Web-Server
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Added support for TCP Fast Open in server when using Linux.

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This commit is contained in:
gavin.smith@coralbay.tv 2018-12-30 00:25:11 +00:00
commit 7d43617993
2 changed files with 43 additions and 0 deletions
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10
server_http.hpp
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@ -351,6 +351,8 @@ namespace SimpleWeb {
std::string address;
/// Set to false to avoid binding the socket to an address that is already in use. Defaults to true.
bool reuse_address = true;
/// Makes use of RFC 7413 or TCP Fast Open (TFO)
bool fast_open = false;
};
/// Set before calling start().
Config config;
@ -399,6 +401,14 @@ namespace SimpleWeb {
acceptor = std::unique_ptr<asio::ip::tcp::acceptor>(new asio::ip::tcp::acceptor(*io_service));
acceptor->open(endpoint.protocol());
acceptor->set_option(asio::socket_base::reuse_address(config.reuse_address));
if (config.fast_open && is_tcp_fast_open_supported(connection_mode::server))
{
#if defined(__linux__) && defined(TCP_FASTOPEN)
const int qlen = 5; // This seems to be the value that is used in other examples.
boost::system::error_code ec;
acceptor->set_option(boost::asio::detail::socket_option::integer<IPPROTO_TCP, TCP_FASTOPEN>(qlen), ec);
#endif // End Linux
}
acceptor->bind(endpoint);
after_bind();