aria2/src/DHTBucketRefreshTask.cc

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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 "DHTBucketRefreshTask.h"
#include "DHTBucket.h"
#include "DHTRoutingTable.h"
#include "DHTNodeLookupTask.h"
#include "DHTTaskQueue.h"
#include "DHTNode.h"
#include "DHTNodeLookupEntry.h"
#include "Util.h"
#include "Logger.h"
DHTBucketRefreshTask::DHTBucketRefreshTask() {}
DHTBucketRefreshTask::~DHTBucketRefreshTask() {}
void DHTBucketRefreshTask::startup()
{
DHTBuckets buckets = _routingTable->getBuckets();
for(DHTBuckets::iterator i = buckets.begin(); i != buckets.end(); ++i) {
if((*i)->needsRefresh()) {
(*i)->notifyUpdate();
unsigned char targetID[DHT_ID_LENGTH];
(*i)->getRandomNodeID(targetID);
SharedHandle<DHTNodeLookupTask> task = new DHTNodeLookupTask(targetID);
task->setRoutingTable(_routingTable);
task->setMessageDispatcher(_dispatcher);
task->setMessageFactory(_factory);
task->setTaskQueue(_taskQueue);
task->setLocalNode(_localNode);
_logger->info("Dispating bucket refresh. targetID=%s", Util::toHex(targetID, DHT_ID_LENGTH).c_str());
_taskQueue->addPeriodicTask1(task);
}
}
_finished = true;
}