87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/***************************************************************************
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* Copyright (C) 2009 by Lothar May *
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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 *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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/* Network file download thread. */
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#ifndef _DOWNLOADERTHREAD_H_
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#define _DOWNLOADERTHREAD_H_
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#include <boost/shared_ptr.hpp>
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#include <queue>
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#include <vector>
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#include <core/thread.h>
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#define DOWNLOADER_THREAD_TERMINATE_TIMEOUT THREAD_WAIT_INFINITE
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class DownloadHelper;
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class DownloaderThread : public Thread
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{
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public:
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DownloaderThread();
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virtual ~DownloaderThread();
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void QueueDownload(unsigned downloadId, const std::string &url, const std::string &filename);
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bool HasDownloadResult() const;
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bool GetDownloadResult(unsigned &downloadId, std::vector<unsigned char> &filedata);
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protected:
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struct DownloadData
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{
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DownloadData() : id(0) {}
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DownloadData(unsigned i, const std::string &a, const std::string &f)
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: id(i), address(a), filename(f) {}
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unsigned id;
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std::string address;
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std::string filename;
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};
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struct ResultData
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{
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ResultData() : id(0) {}
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ResultData(unsigned i, const std::vector<unsigned char> &d)
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: id(i), data(d) {}
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unsigned id;
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std::vector<unsigned char> data;
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};
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typedef std::queue<DownloadData> DownloadDataQueue;
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typedef std::queue<ResultData> DownloadDoneQueue;
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// Main function of the thread.
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virtual void Main();
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private:
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DownloadDataQueue m_downloadQueue;
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mutable boost::mutex m_downloadQueueMutex;
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DownloadDoneQueue m_downloadDoneQueue;
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mutable boost::mutex m_downloadDoneQueueMutex;
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boost::shared_ptr<DownloadHelper> m_downloadHelper;
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bool m_downloadInProgress;
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boost::shared_ptr<DownloadData> m_curDownloadData;
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};
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#endif
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