mirror of
https://github.com/aria2/aria2.git
synced 2025-04-03 04:27:38 +03:00
87 lines
2.8 KiB
C++
87 lines
2.8 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 --> */
|
|
#include "HaveMessage.h"
|
|
#include "PeerInteraction.h"
|
|
#include "PeerMessageUtil.h"
|
|
#include "Util.h"
|
|
#include "DlAbortEx.h"
|
|
|
|
HaveMessage* HaveMessage::create(const char* data, int dataLength) {
|
|
if(dataLength != 5) {
|
|
throw new DlAbortEx("invalid payload size for %s, size = %d. It should be %d", "have", dataLength, 5);
|
|
}
|
|
int id = PeerMessageUtil::getId(data);
|
|
if(id != ID) {
|
|
throw new DlAbortEx("invalid ID=%d for %s. It should be %d.",
|
|
id, "have", ID);
|
|
}
|
|
HaveMessage* haveMessage = new HaveMessage();
|
|
haveMessage->setIndex(PeerMessageUtil::getIntParam(data, 1));
|
|
return haveMessage;
|
|
}
|
|
|
|
void HaveMessage::receivedAction() {
|
|
peer->updateBitfield(index, 1);
|
|
}
|
|
|
|
bool HaveMessage::sendPredicate() const {
|
|
return !peer->hasPiece(index);
|
|
}
|
|
|
|
const char* HaveMessage::getMessage() {
|
|
if(!inProgress) {
|
|
/**
|
|
* len --- 5, 4bytes
|
|
* id --- 4, 1byte
|
|
* piece index --- index, 4bytes
|
|
* total: 9bytes
|
|
*/
|
|
PeerMessageUtil::createPeerMessageString(msg, sizeof(msg), 5, ID);
|
|
PeerMessageUtil::setIntParam(&msg[5], index);
|
|
}
|
|
return msg;
|
|
}
|
|
|
|
int HaveMessage::getMessageLength() {
|
|
return sizeof(msg);
|
|
}
|
|
|
|
void HaveMessage::check() const {
|
|
PeerMessageUtil::checkIndex(index, pieces);
|
|
}
|
|
|
|
string HaveMessage::toString() const {
|
|
return "have index="+Util::itos(index);
|
|
}
|