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/* <!-- 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_SERVER_STAT_H
#define D_SERVER_STAT_H
#include "common.h"
#include <string>
#include <iosfwd>
#include "SharedHandle.h"
#include "TimeA2.h"
namespace aria2 {
// ServerStatMan: has many ServerStat
// URISelector: interface
// ServerStatURISelector: Has a reference of ServerStatMan
// InOrderURISelector: this is default.
class ServerStat {
public:
enum STATUS {
OK = 0,
A2_ERROR
};
static const std::string STATUS_STRING[];
ServerStat(const std::string& hostname, const std::string& protocol);
~ServerStat();
const std::string& getHostname() const
{
return hostname_;
}
const std::string& getProtocol() const
{
return protocol_;
}
const Time& getLastUpdated() const
{
return lastUpdated_;
}
// This method doesn't update _lastUpdate.
void setLastUpdated(const Time& time);
unsigned int getDownloadSpeed() const
{
return downloadSpeed_;
}
// update download speed and update lastUpdated_
void updateDownloadSpeed(unsigned int downloadSpeed);
// set download speed. This method doesn't update _lastUpdate.
void setDownloadSpeed(unsigned int downloadSpeed);
unsigned int getSingleConnectionAvgSpeed() const
{
return singleConnectionAvgSpeed_;
}
void updateSingleConnectionAvgSpeed(unsigned int downloadSpeed);
void setSingleConnectionAvgSpeed(unsigned int singleConnectionAvgSpeed);
unsigned int getMultiConnectionAvgSpeed() const
{
return multiConnectionAvgSpeed_;
}
void updateMultiConnectionAvgSpeed(unsigned int downloadSpeed);
void setMultiConnectionAvgSpeed(unsigned int singleConnectionAvgSpeed);
unsigned int getCounter() const
{
return counter_;
}
void increaseCounter();
void setCounter(unsigned int value);
// This method doesn't update _lastUpdate.
void setStatus(STATUS status);
// status should be one of the followings: "OK", "ERROR".
// Giving other string will not change the status of this object.
// This method doesn't update _lastUpdate.
void setStatus(const std::string& status);
STATUS getStatus() const
{
return status_;
}
bool isOK() const
{
return status_ == OK;
}
// set status OK and update lastUpdated_
void setOK();
bool isError() const
{
return status_ == A2_ERROR;
}
// set status ERROR and update lastUpdated_
void setError();
bool operator<(const ServerStat& serverStat) const;
bool operator==(const ServerStat& serverStat) const;
std::string toString() const;
private:
std::string hostname_;
std::string protocol_;
unsigned int downloadSpeed_;
unsigned int singleConnectionAvgSpeed_;
unsigned int multiConnectionAvgSpeed_;
unsigned int counter_;
STATUS status_;
Time lastUpdated_;
void setStatusInternal(STATUS status);
};
class ServerStatFaster {
public:
bool operator()
(const std::pair<SharedHandle<ServerStat>, std::string> lhs,
const std::pair<SharedHandle<ServerStat>, std::string> rhs) const
{
return lhs.first->getDownloadSpeed() > rhs.first->getDownloadSpeed();
}
};
} // namespace aria2
#endif // D_SERVER_STAT_H
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