/* This file is part of libhttpserver Copyright (C) 2011-2019 Sebastiano Merlino This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include static volatile bool running = true; void signal_handler(int) { running = false; } class hello_resource : public httpserver::http_resource { public: std::shared_ptr<:http_response> render_GET(const httpserver::http_request&) { return std::make_shared<:string_response>("Hello from external event loop!"); } }; int main() { signal(SIGINT, signal_handler); // EXTERNAL_SELECT runs MHD without an internal polling thread; the // application drives it via run_wait() below. no_thread_safety() can be // added for a small perf gain when the daemon is only ever touched from // a single thread, but it is omitted here for portability (some MHD // builds, notably Windows/MSYS2, reject that combination at start). httpserver::webserver ws = httpserver::create_webserver(8080) .start_method(httpserver::http::http_utils::EXTERNAL_SELECT); hello_resource hr; ws.register_resource("/hello", &hr); ws.start(false); std::cout << "Server running on port " << ws.get_bound_port() << std::endl; // Drive the event loop externally using run_wait while (running) { // Block for up to 1000ms waiting for HTTP activity ws.run_wait(1000); // You can do other work here between iterations } std::cout << "\nShutting down..." << std::endl; // Graceful shutdown: stop accepting new connections first ws.quiesce(); ws.stop(); return 0; }