2 // Copyright (C) 2007 Christoph Sommer <christoph.sommer@2007.expires.deltadevelopment.de>
3 // 2014 Ingo Ruhnke <grumbel@gmail.com>
5 // This program is free software: you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation, either version 3 of the License, or
8 // (at your option) any later version.
10 // This program 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
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #ifndef HEADER_SUPERTUX_ADDON_DOWNLOADER_HPP
19 #define HEADER_SUPERTUX_ADDON_DOWNLOADER_HPP
21 #include <curl/curl.h>
22 #include <curl/easy.h>
28 typedef int TransferId;
34 Downloader& m_downloader;
36 std::vector<std::function<void (bool)> > callbacks;
43 std::string error_msg;
45 TransferStatus(Downloader& downloader, TransferId id_) :
46 m_downloader(downloader),
59 void then(const std::function<void (bool)>& callback)
61 callbacks.push_back(callback);
65 using TransferStatusPtr = std::shared_ptr<TransferStatus>;
72 CURLM* m_multi_handle;
73 std::vector<std::unique_ptr<Transfer> > m_transfers;
74 int m_next_transfer_id;
80 /** Download \a url and return the result as string */
81 std::string download(const std::string& url);
83 /** Download \a url and store the result in \a filename */
84 void download(const std::string& url, const std::string& filename);
86 void download(const std::string& url,
87 size_t (*write_func)(void* ptr, size_t size, size_t nmemb, void* userdata),
92 TransferStatusPtr request_download(const std::string& url, const std::string& filename);
93 void abort(TransferId id);
96 Downloader(const Downloader&) = delete;
97 Downloader& operator=(const Downloader&) = delete;