libhttpserver/examples/comet.cpp at master · CMakeezer/libhttpserver · GitHub

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This file is part of libhttpserver

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 <httpserver.hpp>

#include <iostream>

#include <vector>

using namespace httpserver;

std::string topics_array[] = { "topic_1" };

std::vector<std::string> topics(topics_array, topics_array + sizeof(topics_array) / sizeof(std::string));

class comet_send_resource : public http_resource {

public:

const http_response render(const http_request& req)

{

return http_response_builder("Hi", 200).long_polling_send_response(topics_array[0]);

}

};

class comet_listen_resource : public http_resource {

public:

const http_response render(const http_request& req)

{

return http_response_builder("OK", 200).long_polling_receive_response(topics);

}

};

int main()

{

//it is possible to create a webserver passing a great number of parameters.

//In this case we are just passing the port and the number of thread running.

webserver ws = create_webserver(8080).comet();

comet_send_resource csr;

comet_listen_resource clr;

//this way we are registering the hello_world_resource to answer for the endpoint

//"/hello". The requested method is called (if the request is a GET we call the render_GET

//method. In case that the specific render method is not implemented, the generic "render"

//method is called.

ws.register_resource("/send", &csr, true);

ws.register_resource("/listen", &clr, true);

//This way we are putting the created webserver in listen. We pass true in order to have

//a blocking call; if we want the call to be non-blocking we can just pass false to the

//method.

ws.start(true);

return 0;

}

libhttpserver/examples/comet.cpp at master · CMakeezer/libhttpserver · GitHub

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