RetroShare/libbitdht/src/bitdht/bdfriendlist.h
2018-05-21 18:23:52 +02:00

102 lines
3.3 KiB
C++

/*******************************************************************************
* bitdht/bdfriendlist.h *
* *
* BitDHT: An Flexible DHT library. *
* *
* Copyright 2010 by Robert Fernie <bitdht@lunamutt.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#ifndef BITDHT_FRIEND_LIST_H
#define BITDHT_FRIEND_LIST_H
/*
* This class maintains a list of current friends and friends-of-friends.
* It should also be updated when a peer's address has been identified.
*
* It is used for selecting preferential peers for DHT Connections.
* and for detecting bad peers that are duplicating real RS peers.
*
*/
#include "bitdht/bdiface.h"
#include <set>
#define BD_FRIEND_ENTRY_TIMEOUT 10
//#define BD_FRIEND_ENTRY_ONLINE 0x0001
//#define BD_FRIEND_ENTRY_ADDR_OK 0x0002
//#define BD_FRIEND_ENTRY_WHITELIST BITDHT_PEER_STATUS_DHT_WHITELIST
//#define BD_FRIEND_ENTRY_FOF BITDHT_PEER_STATUS_DHT_FOF
//#define BD_FRIEND_ENTRY_FRIEND BITDHT_PEER_STATUS_DHT_FRIEND
//#define BD_FRIEND_ENTRY_RELAY_SERVER BITDHT_PEER_STATUS_DHT_RELAY_SERVER
//#define BD_FRIEND_ENTRY_SELF BITDHT_PEER_STATUS_DHT_SELF
//#define BD_FRIEND_ENTRY_MASK_KNOWN BITDHT_PEER_STATUS_MASK_KNOWN
class bdFriendEntry
{
public:
bdFriendEntry();
bool addrKnown(struct sockaddr_in *addr);
uint32_t getPeerFlags();
bdId mPeerId;
uint32_t mFlags;
time_t mLastSeen;
};
class bdFriendList
{
public:
bdFriendList(const bdNodeId *ownid);
bool updatePeer(const bdId *id, uint32_t flags);
bool removePeer(const bdNodeId *id);
bool findPeerEntry(const bdNodeId *id, bdFriendEntry &entry);
bool findPeersWithFlags(uint32_t flags, std::list<bdNodeId> &peerList);
bool print(std::ostream &out);
private:
std::map<bdNodeId, bdFriendEntry> mPeers;
};
class bdPeerQueue
{
public:
bdPeerQueue();
bool queuePeer(const bdId *id, uint32_t flags);
bool popPeer(bdId *id, uint32_t &flags);
private:
std::list<bdFriendEntry> mPeerQueue;
};
#endif