1 /* <!-- copyright */ 2 /* 3 * aria2 - The high speed download utility 4 * 5 * Copyright (C) 2006 Tatsuhiro Tsujikawa 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * 21 * In addition, as a special exception, the copyright holders give 22 * permission to link the code of portions of this program with the 23 * OpenSSL library under certain conditions as described in each 24 * individual source file, and distribute linked combinations 25 * including the two. 26 * You must obey the GNU General Public License in all respects 27 * for all of the code used other than OpenSSL. If you modify 28 * file(s) with this exception, you may extend this exception to your 29 * version of the file(s), but you are not obligated to do so. If you 30 * do not wish to do so, delete this exception statement from your 31 * version. If you delete this exception statement from all source 32 * files in the program, then also delete it here. 33 */ 34 /* copyright --> */ 35 #ifndef D_DHT_PEER_ANNOUNCE_ENTRY_H 36 #define D_DHT_PEER_ANNOUNCE_ENTRY_H 37 38 #include "common.h" 39 40 #include <vector> 41 #include <memory> 42 43 #include "DHTConstants.h" 44 #include "PeerAddrEntry.h" 45 #include "TimerA2.h" 46 47 namespace aria2 { 48 49 class Peer; 50 51 class DHTPeerAnnounceEntry { 52 private: 53 unsigned char infoHash_[DHT_ID_LENGTH]; 54 55 std::vector<PeerAddrEntry> peerAddrEntries_; 56 57 Timer lastUpdated_; 58 59 public: 60 DHTPeerAnnounceEntry(const unsigned char* infoHash); 61 62 ~DHTPeerAnnounceEntry(); 63 64 // add peer addr entry. 65 // if it already exists, update "Last Updated" property. 66 void addPeerAddrEntry(const PeerAddrEntry& entry); 67 68 size_t countPeerAddrEntry() const; 69 getPeerAddrEntries()70 const std::vector<PeerAddrEntry>& getPeerAddrEntries() const 71 { 72 return peerAddrEntries_; 73 } 74 75 void removeStalePeerAddrEntry(const std::chrono::seconds& timeout); 76 77 bool empty() const; 78 getLastUpdated()79 const Timer& getLastUpdated() const { return lastUpdated_; } 80 81 void notifyUpdate(); 82 getInfoHash()83 const unsigned char* getInfoHash() const { return infoHash_; } 84 85 void getPeers(std::vector<std::shared_ptr<Peer>>& peers) const; 86 }; 87 88 } // namespace aria2 89 90 #endif // D_DHT_PEER_ANNOUNCE_ENTRY_H 91