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// Copyright © 2010-2012 b0ris
//.
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//.
// 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 General Public License for more details.
//.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef DOWNLOAD_CLIENT_H
#define DOWNLOAD_CLIENT_H
#include <string>
#include <vector>
#include <QObject>
#include "SslClient.h"
using std::map;
using std::pair;
using std::string;
using std::vector;
class QFile;
class DownloadClient: public SslClient
{
Q_OBJECT
public:
/**
* @brief Initialize new DownloadClient instance
*/
DownloadClient();
/**
* @brief Initialize new DownloadClient instance
* @param addr server address or hostname to connect to
*/
DownloadClient(QString addr);
/**
* @brief Download file from server
* @param file file path on client machine
*/
void Download(const string &file);
/**
* @brief Download file from server
* @param file pair of file name and it's md5 hash value
*/
void Download(const pair<string, string> &file);
/**
* @brief Download list of files
* @param files associative array of file names and it's md5 hashes
* @note this is designated method among all of three
*/
void Download(const vector<pair<string, string> > &files);
signals:
/**
* @brief This signal is emitted when all files have been downloaded
*/
void downloadFinished();
private slots:
void FileDataRecieved(SslClient::RequestType &type, QByteArray &confdata);
private:
/**
* @brief maximum number of retries when downloading files
*/
static const int MAX_DOWNLOAD_ATTEMPTS = 3;
/**
* @brief indicates that program is downloading file(s) right now
*/
bool isDownloading;
/**
* @brief name of file that is being downloaded
*/
QFile *current;
/**
* @brief index of file that is being downloaded
*/
int currentId;
/**
* @brief number of failed download attempt per single file
*/
map<string, int> status;
/**
* @brief List of file to
*/
vector<pair<string, string> > files;
/**
* @brief start file-by-file downloading process
*/
void DoDownload();
};
#endif
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