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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 "DHTFindNodeMessage.h"
#include "DHTNode.h"
#include "Data.h"
#include "Dictionary.h"
#include "DHTRoutingTable.h"
#include "DHTMessageFactory.h"
#include "DHTMessageDispatcher.h"
#include "DHTMessageCallback.h"
#include "Util.h"
#include <cstring>
namespace aria2 {
const std::string DHTFindNodeMessage::FIND_NODE("find_node");
const std::string DHTFindNodeMessage::TARGET_NODE("target");
DHTFindNodeMessage::DHTFindNodeMessage(const SharedHandle<DHTNode>& localNode,
const SharedHandle<DHTNode>& remoteNode,
const unsigned char* targetNodeID,
const std::string& transactionID):
DHTQueryMessage(localNode, remoteNode, transactionID)
{
memcpy(_targetNodeID, targetNodeID, DHT_ID_LENGTH);
}
DHTFindNodeMessage::~DHTFindNodeMessage() {}
void DHTFindNodeMessage::doReceivedAction()
{
std::deque<SharedHandle<DHTNode> > nodes;
_routingTable->getClosestKNodes(nodes, _targetNodeID);
SharedHandle<DHTMessage> reply =
_factory->createFindNodeReplyMessage(_remoteNode, nodes, _transactionID);
_dispatcher->addMessageToQueue(reply);
}
Dictionary* DHTFindNodeMessage::getArgument()
{
Dictionary* a = new Dictionary();
a->put(DHTMessage::ID, new Data(reinterpret_cast<const char*>(_localNode->getID()),
DHT_ID_LENGTH));
a->put(TARGET_NODE, new Data(reinterpret_cast<const char*>(_targetNodeID),
DHT_ID_LENGTH));
return a;
}
std::string DHTFindNodeMessage::getMessageType() const
{
return FIND_NODE;
}
void DHTFindNodeMessage::validate() const {}
std::string DHTFindNodeMessage::toStringOptional() const
{
return "targetNodeID="+Util::toHex(_targetNodeID, DHT_ID_LENGTH);
}
} // namespace aria2
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