aria2/src/PeerAbstractCommand.h

109 lines
3.4 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_PEER_ABSTRACT_COMMAND_H
#define D_PEER_ABSTRACT_COMMAND_H
#include "Command.h"
#include "SharedHandle.h"
#include "TimerA2.h"
namespace aria2 {
class DownloadEngine;
class Exception;
class Peer;
class SocketCore;
class PeerAbstractCommand : public Command {
private:
Timer checkPoint_;
time_t timeout_;
DownloadEngine* e_;
SharedHandle<SocketCore> socket_;
SharedHandle<Peer> peer_;
bool checkSocketIsReadable_;
bool checkSocketIsWritable_;
SharedHandle<SocketCore> readCheckTarget_;
SharedHandle<SocketCore> writeCheckTarget_;
bool noCheck_;
protected:
DownloadEngine* getDownloadEngine() const
{
return e_;
}
const SharedHandle<SocketCore>& getSocket() const
{
return socket_;
}
void createSocket();
const SharedHandle<Peer>& getPeer() const
{
return peer_;
}
void setTimeout(time_t timeout) { timeout_ = timeout; }
virtual bool prepareForNextPeer(time_t wait);
virtual void onAbort() {};
// This function is called when DownloadFailureException is caught right after
// the invocation of onAbort().
virtual void onFailure(const Exception& err) {};
virtual bool exitBeforeExecute() = 0;
virtual bool executeInternal() = 0;
void setReadCheckSocket(const SharedHandle<SocketCore>& socket);
void setWriteCheckSocket(const SharedHandle<SocketCore>& socket);
void disableReadCheckSocket();
void disableWriteCheckSocket();
void setNoCheck(bool check);
void updateKeepAlive();
public:
PeerAbstractCommand(cuid_t cuid,
const SharedHandle<Peer>& peer,
DownloadEngine* e,
const SharedHandle<SocketCore>& s =
SharedHandle<SocketCore>());
virtual ~PeerAbstractCommand();
virtual bool execute();
};
} // namespace aria2
#endif // D_PEER_ABSTRACT_COMMAND_H