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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 --> */
#include "TrackerWatcherCommand.h"
#include "InitiateConnectionCommandFactory.h"
#include "Util.h"
#include "SleepCommand.h"
#include "prefs.h"
#include "RequestFactory.h"
#include "TrackerSegmentManFactory.h"
TrackerWatcherCommand::TrackerWatcherCommand(int cuid,
TorrentDownloadEngine* e,
const BtContextHandle& btContext):
BtContextAwareCommand(cuid, btContext), e(e)
{
}
TrackerWatcherCommand::~TrackerWatcherCommand() {}
bool TrackerWatcherCommand::execute() {
if(btAnnounce->noMoreAnnounce()) {
return true;
}
Command* command = createCommand();
if(command) {
e->commands.push_back(command);
}
e->commands.push_back(this);
return false;
}
Command* TrackerWatcherCommand::createCommand() {
Command* command = 0;
if(btAnnounce->isAnnounceReady()) {
command = createRequestCommand(btAnnounce->getAnnounceUrl());
btAnnounce->announceStart(); // inside it, trackers++.
} else if(e->_requestGroupMan->getErrors() > 0) {
btAnnounce->announceFailure(); // inside it, trackers = 0.
e->_requestGroupMan->removeStoppedGroup();
if(btAnnounce->isAllAnnounceFailed()) {
btAnnounce->resetAnnounce();
return 0;
} else if(btAnnounce->isAnnounceReady()) {
command =
new SleepCommand(cuid, e,
createRequestCommand(btAnnounce->getAnnounceUrl()),
e->option->getAsInt(PREF_RETRY_WAIT));
btAnnounce->announceStart(); // inside it, tracker++.
}
}
return command;
}
Command* TrackerWatcherCommand::createRequestCommand(const string& url)
{
RequestGroupHandle rg = new RequestGroup(url, e->option);
rg->setUserDefinedFilename("[tracker.announce]");
rg->isTorrent = true;
rg->setSegmentManFactory(new TrackerSegmentManFactory(e->option));
e->_requestGroupMan->addRequestGroup(rg);
Commands commands = e->_requestGroupMan->getInitialCommands(e);
if(commands.empty()) {
logger->error("CUID#%d - Cannot create tracker request.", cuid);
return 0;
}
logger->info("CUID#%d - Creating new tracker request command #%d", cuid,
commands.front()->getCuid());
return commands.front();
}
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