aria2/src/BtRequestMessage.h

119 lines
3.7 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_BT_REQUEST_MESSAGE_H_
#define _D_BT_REQUEST_MESSAGE_H_
#include "SimpleBtMessage.h"
#include "BtContext.h"
#include "PieceStorage.h"
#include "AbstractBtEventListener.h"
class BtRequestMessage;
typedef SharedHandle<BtRequestMessage> BtRequestMessageHandle;
class BtRequestMessage : public SimpleBtMessage {
private:
int32_t index;
int32_t begin;
int32_t length;
int32_t blockIndex;
unsigned char* msg;
static int32_t MESSAGE_LENGTH;
class BtAbortOutstandingRequestEventListener : public AbstractBtEventListener {
private:
BtRequestMessage* message;
public:
BtAbortOutstandingRequestEventListener(BtRequestMessage* message):message(message) {}
virtual bool canHandle(const BtEventHandle& event);
virtual void handleEventInternal(const BtEventHandle& event);
};
typedef SharedHandle<BtAbortOutstandingRequestEventListener> BtAbortOutstandingRequestEventListenerHandle;
public:
BtRequestMessage(int32_t index = 0,
int32_t begin = 0,
int32_t length = 0,
int32_t blockIndex = 0)
:index(index),
begin(begin),
length(length),
blockIndex(blockIndex),
msg(0)
{
addEventListener(new BtAbortOutstandingRequestEventListener(this));
}
virtual ~BtRequestMessage() {
delete [] msg;
}
static const int8_t ID = 6;
int32_t getIndex() const { return index; }
void setIndex(int32_t index) { this->index = index; }
int32_t getBegin() const { return begin; }
void setBegin(int32_t begin) { this->begin = begin; }
int32_t getLength() const { return length; }
void setLength(int32_t length) { this->length = length; }
int32_t getBlockIndex() const { return blockIndex; }
void setBlockIndex(int32_t blockIndex) { this->blockIndex = blockIndex; }
static BtRequestMessageHandle create(const unsigned char* data, int32_t dataLength);
virtual int8_t getId() { return ID; }
virtual void doReceivedAction();
virtual const unsigned char* getMessage();
virtual int32_t getMessageLength();
virtual string toString() const;
virtual void onQueued();
virtual void handleAbortOutstandingRequestEvent(const BtEventHandle& event);
};
#endif // _D_BT_REQUEST_MESSAGE_H_