public:

void on_open(httpserver::websocket_session& session) override {

std::cout << "WebSocket connection opened" << std::endl;

session.send_text("Welcome to the echo server!");

}

void on_message(httpserver::websocket_session& session, std::string_view msg) override {

std::cout << "Received: " << msg << std::endl;

session.send_text("Echo: " + std::string(msg));

}

void on_close(httpserver::websocket_session& session, uint16_t code, const std::string& reason) override {

std::cout << "WebSocket closed (code=" << code << ", reason=" << reason << ")" << std::endl;

}

httpserver::webserver ws = httpserver::create_webserver(8080);

echo_handler handler;

ws.register_ws_resource("/ws", &handler);

ws.start(true);

return 0;