mirror of https://github.com/aria2/aria2
130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef _D_BT_HANDSHAKE_MESSAGE_H_
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#define _D_BT_HANDSHAKE_MESSAGE_H_
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#include "SimpleBtMessage.h"
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namespace aria2 {
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class BtHandshakeMessage : public SimpleBtMessage {
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public:
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static const size_t PSTR_LENGTH = 19;
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static const unsigned char* BT_PSTR;
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static const size_t RESERVED_LENGTH = 8;
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static const size_t MESSAGE_LENGTH = 68;
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private:
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uint8_t pstrlen;
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unsigned char* pstr;
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unsigned char* reserved;
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unsigned char* infoHash;
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unsigned char* peerId;
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unsigned char* msg;
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void init();
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public:
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BtHandshakeMessage();
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/**
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* infoHash must be 20 byte length.
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* peerId must be 20 byte length.
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*/
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BtHandshakeMessage(const unsigned char* infoHash, const unsigned char* peerId);
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static SharedHandle<BtHandshakeMessage>
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create(const unsigned char* data, size_t dataLength);
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virtual ~BtHandshakeMessage() {
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delete [] msg;
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delete [] pstr;
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delete [] reserved;
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delete [] infoHash;
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delete [] peerId;
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}
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static const uint8_t ID = INT8_MAX;
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virtual uint8_t getId() { return ID; }
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virtual void doReceivedAction() {};
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virtual const unsigned char* getMessage();
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virtual size_t getMessageLength();
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virtual std::string toString() const;
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bool isFastExtensionSupported() const;
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bool isExtendedMessagingEnabled() const;
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bool isDHTEnabled() const;
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void setDHTEnabled(bool enabled)
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{
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if(enabled) {
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this->reserved[7] |= 0x01;
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} else {
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this->reserved[7] &= ~0x01;
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}
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}
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uint8_t getPstrlen() const {
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return pstrlen;
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}
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const unsigned char* getPstr() const {
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return pstr;
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}
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const unsigned char* getReserved() const {
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return reserved;
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}
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const unsigned char* getInfoHash() const {
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return infoHash;
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}
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void setInfoHash(const unsigned char* infoHash);
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const unsigned char* getPeerId() const {
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return peerId;
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}
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void setPeerId(const unsigned char* peerId);
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};
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} // namespace aria2
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#endif // _D_HANDSHAKE_MESSAGE_H_
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