mirror of https://github.com/aria2/aria2
116 lines
3.8 KiB
C++
116 lines
3.8 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 "TrackerUpdateCommand.h"
|
|
#include "LogFactory.h"
|
|
#include "DlAbortEx.h"
|
|
#include "message.h"
|
|
#include "PeerInitiateConnectionCommand.h"
|
|
#include "SleepCommand.h"
|
|
#include "Util.h"
|
|
#include "CUIDCounter.h"
|
|
#include <sstream>
|
|
|
|
TrackerUpdateCommand::TrackerUpdateCommand(int cuid,
|
|
TorrentDownloadEngine* e,
|
|
const BtContextHandle& btContext):
|
|
BtContextAwareCommand(cuid, btContext), e(e)
|
|
{
|
|
logger = LogFactory::getInstance();
|
|
}
|
|
|
|
TrackerUpdateCommand::~TrackerUpdateCommand() {}
|
|
|
|
bool TrackerUpdateCommand::prepareForRetry() {
|
|
e->commands.push_back(this);
|
|
return false;
|
|
}
|
|
|
|
string TrackerUpdateCommand::getTrackerResponse() {
|
|
stringstream strm;
|
|
char data[2048];
|
|
try {
|
|
while(1) {
|
|
int dataLength = e->_requestGroupMan->getRequestGroup(0)->getSegmentMan()->diskWriter->readData(data, sizeof(data), strm.tellp());
|
|
strm.write(data, dataLength);
|
|
if(dataLength != sizeof(data)) {
|
|
break;
|
|
}
|
|
}
|
|
return strm.str();
|
|
} catch(RecoverableException* e) {
|
|
throw;
|
|
}
|
|
}
|
|
|
|
bool TrackerUpdateCommand::execute() {
|
|
if(btAnnounce->noMoreAnnounce()) {
|
|
return true;
|
|
}
|
|
if(e->_requestGroupMan->countRequestGroup() == 0 ||
|
|
!e->_requestGroupMan->downloadFinished()) {
|
|
return prepareForRetry();
|
|
}
|
|
|
|
try {
|
|
string trackerResponse = getTrackerResponse();
|
|
|
|
btAnnounce->processAnnounceResponse(trackerResponse.c_str(),
|
|
trackerResponse.size());
|
|
while(!btRuntime->isHalt() && btRuntime->lessThanMinPeer()) {
|
|
PeerHandle peer = peerStorage->getUnusedPeer();
|
|
if(peer.isNull()) {
|
|
break;
|
|
}
|
|
peer->cuid = CUIDCounterSingletonHolder::instance()->newID();
|
|
PeerInitiateConnectionCommand* command =
|
|
new PeerInitiateConnectionCommand(peer->cuid,
|
|
peer,
|
|
e,
|
|
btContext);
|
|
e->commands.push_back(command);
|
|
logger->debug("CUID#%d - Adding new command CUID#%d", cuid, peer->cuid);
|
|
}
|
|
btAnnounce->announceSuccess();
|
|
btAnnounce->resetAnnounce();
|
|
e->_requestGroupMan->removeStoppedGroup();
|
|
} catch(RecoverableException* err) {
|
|
logger->error(MSG_TRACKER_RESPONSE_PROCESSING_FAILED, err, cuid);
|
|
e->_requestGroupMan->getRequestGroup(0)->getSegmentMan()->errors++;
|
|
delete err;
|
|
}
|
|
return prepareForRetry();
|
|
}
|
|
|