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//
// server.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2025 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "server.hpp"
#include <signal.h>
#include <utility>
#include "connection.hpp"
namespace http {
namespace server2 {
server::server(const std::string& address, const std::string& port,
const std::string& doc_root, std::size_t io_context_pool_size)
: io_context_pool_(io_context_pool_size),
signals_(io_context_pool_.get_io_context()),
acceptor_(io_context_pool_.get_io_context()),
request_handler_(doc_root)
{
// Register to handle the signals that indicate when the server should exit.
// It is safe to register for the same signal multiple times in a program,
// provided all registration for the specified signal is made through Asio.
signals_.add(SIGINT);
signals_.add(SIGTERM);
#if defined(SIGQUIT)
signals_.add(SIGQUIT);
#endif // defined(SIGQUIT)
do_await_stop();
// Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
boost::asio::ip::tcp::resolver resolver(acceptor_.get_executor());
boost::asio::ip::tcp::endpoint endpoint =
*resolver.resolve(address, port).begin();
acceptor_.open(endpoint.protocol());
acceptor_.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
acceptor_.bind(endpoint);
acceptor_.listen();
do_accept();
}
void server::run()
{
io_context_pool_.run();
}
void server::do_accept()
{
acceptor_.async_accept(io_context_pool_.get_io_context(),
[this](boost::system::error_code ec, boost::asio::ip::tcp::socket socket)
{
// Check whether the server was stopped by a signal before this
// completion handler had a chance to run.
if (!acceptor_.is_open())
{
return;
}
if (!ec)
{
std::make_shared<connection>(
std::move(socket), request_handler_)->start();
}
do_accept();
});
}
void server::do_await_stop()
{
signals_.async_wait(
[this](boost::system::error_code /*ec*/, int /*signo*/)
{
io_context_pool_.stop();
});
}
} // namespace server2
} // namespace http
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