Commit fb87493
Sebastiano Merlino
Simplified general structure, removed event_supplier support, comet logic now uses a lock-free implementation
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| 1 | + /* | ||
| 2 | + This file is part of libhttpserver | ||
| 3 | + Copyright (C) 2011, 2012, 2013, 2014, 2015 Sebastiano Merlino | ||
| 4 | + | ||
| 5 | + This library is free software; you can redistribute it and/or | ||
| 6 | + modify it under the terms of the GNU Lesser General Public | ||
| 7 | + License as published by the Free Software Foundation; either | ||
| 8 | + version 2.1 of the License, or (at your option) any later version. | ||
| 9 | + | ||
| 10 | + This library is distributed in the hope that it will be useful, | ||
| 11 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 13 | + Lesser General Public License for more details. | ||
| 14 | + | ||
| 15 | + You should have received a copy of the GNU Lesser General Public | ||
| 16 | + License along with this library; if not, write to the Free Software | ||
| 17 | + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 | ||
| 18 | + USA | ||
| 19 | + */ | ||
| 20 | + | ||
| 21 | + #include <httpserver.hpp> | ||
| 22 | + #include <iostream> | ||
| 23 | + #include <vector> | ||
| 24 | + | ||
| 25 | + using namespace httpserver; | ||
| 26 | + | ||
| 27 | + std::string topics_array[] = { "topic_1" }; | ||
| 28 | + std::vector<std::string> topics(topics_array, topics_array + sizeof(topics_array) / sizeof(std::string)); | ||
| 29 | + | ||
| 30 | + class comet_send_resource : public http_resource { | ||
| 31 | + public: | ||
| 32 | + void render(const http_request& req, http_response** res) | ||
| 33 | + { | ||
| 34 | + *res = new http_response(http_response_builder("Hi", 200).long_polling_send_response(topics_array[0])); | ||
| 35 | + } | ||
| 36 | + }; | ||
| 37 | + | ||
| 38 | + class comet_listen_resource : public http_resource { | ||
| 39 | + public: | ||
| 40 | + void render(const http_request& req, http_response** res) | ||
| 41 | + { | ||
| 42 | + *res = new http_response(http_response_builder("OK", 200).long_polling_receive_response(topics)); | ||
| 43 | + } | ||
| 44 | + }; | ||
| 45 | + | ||
| 46 | + int main() | ||
| 47 | + { | ||
| 48 | + //it is possible to create a webserver passing a great number of parameters. | ||
| 49 | + //In this case we are just passing the port and the number of thread running. | ||
| 50 | + webserver ws = create_webserver(8080).start_method(http::http_utils::INTERNAL_SELECT); | ||
| 51 | + | ||
| 52 | + comet_send_resource csr; | ||
| 53 | + comet_listen_resource clr; | ||
| 54 | + //this way we are registering the hello_world_resource to answer for the endpoint | ||
| 55 | + //"/hello". The requested method is called (if the request is a GET we call the render_GET | ||
| 56 | + //method. In case that the specific render method is not implemented, the generic "render" | ||
| 57 | + //method is called. | ||
| 58 | + ws.register_resource("/send", &csr, true); | ||
| 59 | + ws.register_resource("/listen", &clr, true); | ||
| 60 | + | ||
| 61 | + //This way we are putting the created webserver in listen. We pass true in order to have | ||
| 62 | + //a blocking call; if we want the call to be non-blocking we can just pass false to the | ||
| 63 | + //method. | ||
| 64 | + ws.start(true); | ||
| 65 | + return 0; | ||
| 66 | + } | ||
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