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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_BT_HANDSHAKE_MESSAGE_H_
#define _D_BT_HANDSHAKE_MESSAGE_H_
#include "SimpleBtMessage.h"
namespace aria2 {
class BtHandshakeMessage : public SimpleBtMessage {
public:
static const size_t PSTR_LENGTH = 19;
static const unsigned char* BT_PSTR;
static const size_t RESERVED_LENGTH = 8;
static const size_t MESSAGE_LENGTH = 68;
private:
uint8_t pstrlen;
unsigned char* pstr;
unsigned char* reserved;
unsigned char* infoHash;
unsigned char* peerId;
void init();
public:
BtHandshakeMessage();
/**
* infoHash must be 20 byte length.
* peerId must be 20 byte length.
*/
BtHandshakeMessage(const unsigned char* infoHash, const unsigned char* peerId);
static SharedHandle<BtHandshakeMessage>
create(const unsigned char* data, size_t dataLength);
virtual ~BtHandshakeMessage() {
delete [] pstr;
delete [] reserved;
delete [] infoHash;
delete [] peerId;
}
static const uint8_t ID = INT8_MAX;
static const std::string NAME;
virtual void doReceivedAction() {};
virtual unsigned char* createMessage();
virtual size_t getMessageLength();
virtual std::string toString() const;
bool isFastExtensionSupported() const;
bool isExtendedMessagingEnabled() const;
bool isDHTEnabled() const;
void setDHTEnabled(bool enabled)
{
if(enabled) {
this->reserved[7] |= 0x01;
} else {
this->reserved[7] &= ~0x01;
}
}
uint8_t getPstrlen() const {
return pstrlen;
}
const unsigned char* getPstr() const {
return pstr;
}
const unsigned char* getReserved() const {
return reserved;
}
const unsigned char* getInfoHash() const {
return infoHash;
}
void setInfoHash(const unsigned char* infoHash);
const unsigned char* getPeerId() const {
return peerId;
}
void setPeerId(const unsigned char* peerId);
};
} // namespace aria2
#endif // _D_HANDSHAKE_MESSAGE_H_
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