aria2/src/BtRuntime.h

107 lines
3.0 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_BT_RUNTIME_H
#define D_BT_RUNTIME_H
#include "common.h"
namespace aria2 {
class BtRuntime {
private:
int64_t uploadLengthAtStartup_;
bool halt_;
int connections_;
bool ready_;
// Maximum number of peers to hold connections at the same time.
// 0 means unlimited.
int maxPeers_;
// Minimum number of peers. This value is used for getting more peers from
// tracker. 0 means always the number of peers is under minimum.
int minPeers_;
public:
BtRuntime();
~BtRuntime();
int64_t getUploadLengthAtStartup() const { return uploadLengthAtStartup_; }
void setUploadLengthAtStartup(int64_t length)
{
uploadLengthAtStartup_ = length;
}
bool isHalt() const { return halt_; }
void setHalt(bool halt) { halt_ = halt; }
int getConnections() const { return connections_; }
void increaseConnections() { ++connections_; }
void decreaseConnections() { --connections_; }
bool lessThanMaxPeers() const
{
return maxPeers_ == 0 || connections_ < maxPeers_;
}
bool lessThanMinPeers() const
{
return minPeers_ == 0 || connections_ < minPeers_;
}
bool lessThanEqMinPeers() const
{
return minPeers_ == 0 || connections_ <= minPeers_;
}
bool ready() { return ready_; }
void setReady(bool go) { ready_ = go; }
void setMaxPeers(int maxPeers);
int getMaxPeers() const { return maxPeers_; }
static const int DEFAULT_MAX_PEERS = 55;
static const int DEFAULT_MIN_PEERS = 40;
};
} // namespace aria2
#endif // D_BT_RUNTIME_H