cpp_backend/src/listener.h

#pragma once
#include "sdk.h"
// boost.beast будет использовать std::string_view вместо boost::string_view
#define BOOST_BEAST_USE_STD_STRING_VIEW

#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/strand.hpp>
#include <boost/beast/core.hpp>
#include <boost/beast/http.hpp>

namespace http_server
{
namespace net = boost::asio;
using tcp = net::ip::tcp;
namespace beast = boost::beast;
namespace http = beast::http;

template<typename RequestHandler>
class Listener : public std::enable_shared_from_this<Listener<RequestHandler>>
{
  net::io_context& ioc_;
  tcp::acceptor acceptor_;
  RequestHandler request_handler_;

 public:
  template<class Handler>
  Listener(net::io_context& ioc,
           const tcp::endpoint& endpoint,
           Handler&& request_handler)
    : ioc_(ioc),
    acceptor_(net::make_strand(ioc)),
    request_handler_(std::forward<Handler>(request_handler))
    {
      acceptor_.open(endpoint.protocol());
      acceptor_.set_option(net::socket_base::reuse_address(true));
      acceptor_.bind(endpoint);
      acceptor_.listen(net::socket_base::max_listen_connections);
    }
};
}  // namespace http_server