70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/*
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* Copyright (C) 2022 Paul Davis <paul@linuxaudiosystems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __libpbd_downloader_h__
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#define __libpbd_downloader_h__
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#include <atomic>
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#include <string>
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#include <curl/curl.h>
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#include "pbd/libpbd_visibility.h"
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namespace PBD {
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class Thread;
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class LIBPBD_API Downloader {
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public:
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Downloader (std::string const & url, std::string const & destdir);
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~Downloader ();
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int start ();
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void cleanup ();
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void cancel ();
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double progress() const;
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uint64_t download_size() const { return _download_size; }
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uint64_t downloaded () const { return _downloaded; }
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/* public so it can be called from a static C function */
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size_t write (void *contents, size_t size, size_t nmemb);
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int status() const { return _status; }
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std::string download_path() const;
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private:
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std::string url;
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std::string destdir;
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std::string file_path;
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FILE* file;
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CURL* curl;
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bool _cancel;
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std::atomic<uint64_t> _download_size; /* read-only from requestor thread */
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std::atomic<uint64_t> _downloaded; /* read-only from requestor thread */
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std::atomic<int> _status;
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PBD::Thread* thread;
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void download ();
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};
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} /* namespace */
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#endif
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