empty_response_example.cpp

/*
 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 <memory>

#include <httpserver.hpp>

class no_content_resource : public httpserver::http_resource {
 public:
 httpserver::http_response render_delete(const httpserver::http_request&) override {
 return httpserver::http_response::empty();
 }

 httpserver::http_response render_head(const httpserver::http_request&) override {
 // libhttpserver strips the body automatically for HEAD requests.
 return httpserver::http_response::empty()
 .with_status(httpserver::http::http_utils::http_ok)
 .with_header("X-Total-Count", "42");
 }
};

int main() {
 httpserver::webserver ws{httpserver::create_webserver(8080)};

 auto ncr = std::make_shared<no_content_resource>();
 ws.register_path("/items", ncr);
 ws.start(true);

 return 0;
}