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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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
*/
/* copyright --> */
#ifndef _D_DOWNLOAD_ENGINE_H_
#define _D_DOWNLOAD_ENGINE_H_
#include <queue>
#include <vector>
#include "Command.h"
#include "Socket.h"
#include "SegmentMan.h"
#include "common.h"
#include "Logger.h"
#include "DiskWriter.h"
#include "Option.h"
#include <sys/time.h>
using namespace std;
class DownloadEngine {
private:
void waitData();
vector<Socket*> rsockets;
vector<Socket*> wsockets;
void shortSleep() const;
bool addSocket(vector<Socket*>& sockets, Socket* socket);
bool deleteSocket(vector<Socket*>& sockets, Socket* socket);
protected:
virtual void initStatistics() = 0;
virtual void calculateStatistics() = 0;
virtual void onEndOfRun() = 0;
public:
bool noWait;
queue<Command*> commands;
SegmentMan* segmentMan;
DiskWriter* diskWriter;
const Logger* logger;
const Option* option;
DownloadEngine();
virtual ~DownloadEngine();
void run();
bool addSocketForReadCheck(Socket* socket);
bool deleteSocketForReadCheck(Socket* socket);
bool addSocketForWriteCheck(Socket* socket);
bool deleteSocketForWriteCheck(Socket* socket);
};
#endif // _D_DOWNLOAD_ENGINE_H_
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