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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 "DHTGetPeersReplyMessage.h"
#include "DHTNode.h"
#include "DHTBucket.h"
#include "Data.h"
#include "Dictionary.h"
#include "List.h"
#include "DHTRoutingTable.h"
#include "DHTMessageFactory.h"
#include "DHTMessageDispatcher.h"
#include "DHTMessageCallback.h"
#include "PeerMessageUtil.h"
#include "Peer.h"
#include "DHTUtil.h"
#include <cstring>
namespace aria2 {
DHTGetPeersReplyMessage::DHTGetPeersReplyMessage(const SharedHandle<DHTNode>& localNode,
const SharedHandle<DHTNode>& remoteNode,
const std::string& token,
const std::string& transactionID):
DHTResponseMessage(localNode, remoteNode, transactionID),
_token(token) {}
DHTGetPeersReplyMessage::~DHTGetPeersReplyMessage() {}
void DHTGetPeersReplyMessage::doReceivedAction()
{
// Returned peers and nodes are handled in DHTPeerLookupTask.
}
Dictionary* DHTGetPeersReplyMessage::getResponse()
{
Dictionary* r = new Dictionary();
r->put("id", new Data(reinterpret_cast<const char*>(_localNode->getID()),
DHT_ID_LENGTH));
r->put("token", new Data(_token));
if(_values.size()) {
List* valuesList = new List();
r->put("values", valuesList);
for(std::deque<SharedHandle<Peer> >::const_iterator i = _values.begin(); i != _values.end(); ++i) {
const SharedHandle<Peer>& peer = *i;
char buffer[6];
if(PeerMessageUtil::createcompact(buffer, peer->ipaddr, peer->port)) {
valuesList->add(new Data(buffer, sizeof(buffer)));
}
}
} else {
size_t offset = 0;
char buffer[DHTBucket::K*26];
for(std::deque<SharedHandle<DHTNode> >::const_iterator i = _closestKNodes.begin(); i != _closestKNodes.end(); ++i) {
SharedHandle<DHTNode> node = *i;
memcpy(buffer+offset, node->getID(), DHT_ID_LENGTH);
if(PeerMessageUtil::createcompact(buffer+20+offset, node->getIPAddress(), node->getPort())) {
offset += 26;
}
}
r->put("nodes", new Data(buffer, offset));
}
return r;
}
std::string DHTGetPeersReplyMessage::getMessageType() const
{
return "get_peers";
}
void DHTGetPeersReplyMessage::validate() const {}
const std::deque<SharedHandle<DHTNode> >& DHTGetPeersReplyMessage::getClosestKNodes() const
{
return _closestKNodes;
}
void DHTGetPeersReplyMessage::setClosestKNodes(const std::deque<SharedHandle<DHTNode> >& closestKNodes)
{
_closestKNodes = closestKNodes;
}
const std::deque<SharedHandle<Peer> >& DHTGetPeersReplyMessage::getValues() const
{
return _values;
}
void DHTGetPeersReplyMessage::setValues(const std::deque<SharedHandle<Peer> >& peers)
{
_values = peers;
}
} // namespace aria2
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