You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
3.8 KiB
138 lines
3.8 KiB
/***************************************************************************
|
|
* Copyright (C) 2005 by Joris Guisson *
|
|
* joris.guisson@gmail.com *
|
|
* *
|
|
* 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. *
|
|
***************************************************************************/
|
|
#ifndef DHTDHT_H
|
|
#define DHTDHT_H
|
|
|
|
#include <tqtimer.h>
|
|
#include <tqstring.h>
|
|
#include <tqmap.h>
|
|
#include <util/constants.h>
|
|
#include <util/timer.h>
|
|
#include "key.h"
|
|
#include "dhtbase.h"
|
|
|
|
namespace bt
|
|
{
|
|
class SHA1Hash;
|
|
}
|
|
|
|
namespace KNetwork
|
|
{
|
|
class KInetSocketAddress;
|
|
}
|
|
|
|
namespace dht
|
|
{
|
|
class Node;
|
|
class RPCServer;
|
|
class PingReq;
|
|
class FindNodeReq;
|
|
class FindValueReq;
|
|
class StoreValueReq;
|
|
class GetPeersReq;
|
|
class MsgBase;
|
|
class ErrMsg;
|
|
class MsgBase;
|
|
class AnnounceReq;
|
|
class Database;
|
|
class TaskManager;
|
|
class Task;
|
|
class AnnounceTask;
|
|
class NodeLookup;
|
|
class KBucket;
|
|
|
|
/**
|
|
@author Joris Guisson <joris.guisson@gmail.com>
|
|
*/
|
|
class DHT : public DHTBase
|
|
{
|
|
TQ_OBJECT
|
|
|
|
public:
|
|
DHT();
|
|
virtual ~DHT();
|
|
|
|
void ping(PingReq* r);
|
|
void findNode(FindNodeReq* r);
|
|
void response(MsgBase* r);
|
|
void getPeers(GetPeersReq* r);
|
|
void announce(AnnounceReq* r);
|
|
void error(ErrMsg* r);
|
|
void timeout(const MsgBase* r);
|
|
|
|
/**
|
|
* A Peer has received a PORT message, and uses this function to alert the DHT of it.
|
|
* @param ip The IP of the peer
|
|
* @param port The port in the PORT message
|
|
*/
|
|
void portRecieved(const TQString & ip,bt::Uint16 port);
|
|
|
|
/**
|
|
* Do an announce on the DHT network
|
|
* @param info_hash The info_hash
|
|
* @param port The port
|
|
* @return The task which handles this
|
|
*/
|
|
AnnounceTask* announce(const bt::SHA1Hash & info_hash,bt::Uint16 port);
|
|
|
|
/**
|
|
* Refresh a bucket using a find node task.
|
|
* @param id The id
|
|
* @param bucket The bucket to refresh
|
|
*/
|
|
NodeLookup* refreshBucket(const dht::Key & id,KBucket & bucket);
|
|
|
|
/**
|
|
* Do a NodeLookup.
|
|
* @param id The id of the key to search
|
|
*/
|
|
NodeLookup* findNode(const dht::Key & id);
|
|
|
|
/// See if it is possible to start a task
|
|
bool canStartTask() const;
|
|
|
|
void start(const TQString & table,const TQString & key_file,bt::Uint16 port);
|
|
void stop();
|
|
void addDHTNode(const TQString & host,bt::Uint16 hport);
|
|
|
|
/**
|
|
* Returns maxNodes number of <IP address, port> nodes
|
|
* that are closest to ourselves and are good.
|
|
* @param maxNodes maximum nr of nodes in TQMap to return.
|
|
*/
|
|
TQMap<TQString, int> getClosestGoodNodes(int maxNodes);
|
|
|
|
private slots:
|
|
void update();
|
|
|
|
private:
|
|
Node* node;
|
|
RPCServer* srv;
|
|
Database* db;
|
|
TaskManager* tman;
|
|
bt::Timer expire_timer;
|
|
TQString table_file;
|
|
TQTimer update_timer;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|