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/* This file is part of mastodonpp.
* Copyright © 2020 tastytea <tastytea@tastytea.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MASTODONPP_CURL_WRAPPER_HPP
#define MASTODONPP_CURL_WRAPPER_HPP
#include "return_types.hpp"
#include "curl/curl.h"
#include <string>
#include <string_view>
namespace mastodonpp
{
using std::string;
using std::string_view;
enum class http_method
{
GET,
POST
};
/*!
* @brief Handles the details of network connections.
*
* You don't need to use this.
*
* @since 0.1.0
*
* @headerfile curl_wrapper.hpp mastodonpp/curl_wrapper.hpp
*/
class CURLWrapper
{
public:
/*!
* @brief Initializes curl and sets up connection.
*
* Calls `curl_global_init`, which is not thread-safe. For more information
* consult [curl_global_init(3)]
* (https://curl.haxx.se/libcurl/c/curl_global_init.html).
*
* @since 0.1.0
*/
CURLWrapper();
//! Copy constructor
CURLWrapper(const CURLWrapper &other) = default;
//! Move constructor
CURLWrapper(CURLWrapper &&other) noexcept = default;
/*!
* @brief Cleans up curl and connection.
*
* Calls `curl_global_cleanup`, which is not thread-safe. For more
* information consult [curl_global_cleanup(3)]
* (https://curl.haxx.se/libcurl/c/curl_global_cleanup.html).
*
* @since 0.1.0
*/
virtual ~CURLWrapper() noexcept;
//! Copy assignment operator
CURLWrapper& operator=(const CURLWrapper &other) = default;
//! Move assignment operator
CURLWrapper& operator=(CURLWrapper &&other) noexcept = default;
/*!
* @brief Make a request.
*
* @param method The HTTP method.
* @param uri The full URI.
*
* @since 0.1.0
*/
[[nodiscard]]
answer_type make_request(const http_method &meth, const string_view &uri);
private:
CURL *_connection;
char _curl_buffer_error[CURL_ERROR_SIZE];
string _curl_buffer;
/*!
* @brief libcurl write callback function.
*
* @since 0.1.0
*/
static int writer(char *data, size_t size, size_t nmemb,
string *writerData);
/*!
* @brief Setup libcurl connection.
*
* @since 0.1.0
*/
void setup_curl();
};
} // namespace mastodonpp
#endif // MASTODONPP_CURL_WRAPPER_HPP
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