libhttpserver/examples/hello_world.cpp at master · commshare/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>

using namespace httpserver;

class hello_world_resource : public http_resource<hello_world_resource> {

public:

void render(const http_request&, http_response**);

void set_some_data(const std::string &s) {data = s;}

std::string data;

};

//using the render method you are able to catch each type of request you receive

void hello_world_resource::render(const http_request& req, http_response** res)

{

//it is possible to store data inside the resource object that can be altered

//through the requests

std::cout << "Data was: " << data << std::endl;

std::string datapar = req.get_arg("data");

set_some_data(datapar == "" ? "no data passed!!!" : datapar);

std::cout << "Now data is:" << data << std::endl;

//it is possible to send a response initializing an http_string_response

//that reads the content to send in response from a string.

*res = new http_response(http_response_builder("Hello World!!!", 200).string_response());

}

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).max_threads(5);

hello_world_resource hwr;

//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("/hello", &hwr, 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/hello_world.cpp at master · commshare/libhttpserver · GitHub

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