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/*
* Copyright (C) 2001-2008 Jacek Sieka, arnetheduck on gmail point com
*
* 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 DCPLUSPLUS_DCPP_TRANSFER_H_
#define DCPLUSPLUS_DCPP_TRANSFER_H_
#include "forward.h"
#include "MerkleTree.h"
#include "TimerManager.h"
#include "Util.h"
#include "CriticalSection.h"
#include "Segment.h"
namespace dcpp {
class Transfer : private boost::noncopyable {
public:
enum Type {
TYPE_FILE,
TYPE_FULL_LIST,
TYPE_PARTIAL_LIST,
TYPE_TREE,
TYPE_LAST
};
static const string names[TYPE_LAST];
static const string USER_LIST_NAME;
static const string USER_LIST_NAME_BZ;
Transfer(UserConnection& conn, const string& path, const TTHValue& tth);
virtual ~Transfer() { };
int64_t getPos() const { return pos; }
int64_t getStartPos() const { return getSegment().getStart(); }
void addPos(int64_t aBytes, int64_t aActual) { pos += aBytes; actual+= aActual; }
enum { MIN_SAMPLES = 15, MIN_SECS = 15 };
/** Record a sample for average calculation */
void tick();
int64_t getActual() const { return actual; }
int64_t getSize() const { return getSegment().getSize(); }
void setSize(int64_t size) { segment.setSize(size); }
double getAverageSpeed() const;
int64_t getSecondsLeft() const {
double avg = getAverageSpeed();
return (avg > 0) ? (getBytesLeft() / avg) : 0;
}
int64_t getBytesLeft() const {
return getSize() - getPos();
}
virtual void getParams(const UserConnection& aSource, StringMap& params);
UserPtr getUser();
const UserPtr getUser() const;
const string& getPath() const { return path; }
const TTHValue& getTTH() const { return tth; }
UserConnection& getUserConnection() { return userConnection; }
const UserConnection& getUserConnection() const { return userConnection; }
GETSET(Segment, segment, Segment);
GETSET(Type, type, Type);
GETSET(uint64_t, start, Start);
private:
typedef std::pair<uint64_t, int64_t> Sample;
typedef deque<Sample> SampleList;
SampleList samples;
mutable CriticalSection cs;
/** The file being transferred */
string path;
/** TTH of the file being transferred */
TTHValue tth;
/** Bytes transferred over socket */
int64_t actual;
/** Bytes transferred to/from file */
int64_t pos;
UserConnection& userConnection;
};
} // namespace dcpp
#endif /*TRANSFER_H_*/
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