aria2/src/IndexBtMessage.h

77 lines
2.5 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2009 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_INDEX_BT_MESSAGE_H
#define D_INDEX_BT_MESSAGE_H
#include "SimpleBtMessage.h"
#include "bittorrent_helper.h"
namespace aria2 {
class IndexBtMessage : public SimpleBtMessage {
private:
size_t index_;
static const size_t MESSAGE_LENGTH = 9;
protected:
template<typename T>
static T* create(const unsigned char* data, size_t dataLength)
{
bittorrent::assertPayloadLengthEqual(5, dataLength, T::NAME);
bittorrent::assertID(T::ID, data, T::NAME);
T* message(new T());
message->setIndex(bittorrent::getIntParam(data, 1));
return message;
}
public:
IndexBtMessage(uint8_t id, const char* name, size_t index)
:SimpleBtMessage(id, name),
index_(index) {}
void setIndex(size_t index) { index_ = index; }
size_t getIndex() const { return index_; }
virtual unsigned char* createMessage();
virtual size_t getMessageLength();
virtual std::string toString() const;
};
} // namespace aria2
#endif // D_INDEX_BT_MESSAGE_H