| Line | Hits | Source |
|---|---|---|
| 1 | /******************************************************************************* | |
| 2 | *InternetCafe is a software solution that helps the management of Cybercafes | |
| 3 | * according with the ITALIAN DECREE LAW ON ANTI-TERROR MEASURES, 27 JULY 2005. | |
| 4 | * Copyright (C) 2006 Guido Angelo Ingenito | |
| 5 | ||
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version 2 | |
| 9 | * of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
| 19 | *******************************************************************************/ | |
| 20 | ||
| 21 | package base.jdbs.network; | |
| 22 | ||
| 23 | import java.util.Hashtable; | |
| 24 | import java.util.Observable; | |
| 25 | ||
| 26 | import net.jxta.discovery.DiscoveryListener; | |
| 27 | import net.jxta.discovery.DiscoveryService; | |
| 28 | import net.jxta.peer.PeerID; | |
| 29 | import net.jxta.peergroup.PeerGroup; | |
| 30 | import net.jxta.protocol.PeerAdvertisement; | |
| 31 | ||
| 32 | import org.apache.log4j.Logger; | |
| 33 | ||
| 34 | import base.jdbs.JDBSPeer; | |
| 35 | import base.jdbs.network.util.JxtaUtil; | |
| 36 | ||
| 37 | /** | |
| 38 | * @author skunk | |
| 39 | * | |
| 40 | */ | |
| 41 | 0 | public class PeerDiscoveryThread extends Observable implements Runnable{ |
| 42 | ||
| 43 | public static final String THREAD_NAME = "Peer Discovery Thread"; | |
| 44 | public static final int DISCOVERY_INTERVAL = 30*1000; | |
| 45 | ||
| 46 | 0 | private static final transient Logger logger = Logger.getLogger(PeerDiscoveryThread.class.getName()); |
| 47 | ||
| 48 | 0 | private final DiscoveryService discoveryService; |
| 49 | private final PeerGroup peerGroup; | |
| 50 | 0 | private final DiscoveryListener discoveryListener; |
| 51 | 0 | private final Hashtable<PeerID, JDBSPeer> peer = new Hashtable<PeerID, JDBSPeer>(); |
| 52 | 0 | |
| 53 | 0 | public PeerDiscoveryThread(PeerGroup peerGroup){ |
| 54 | 0 | this.discoveryService = peerGroup.getDiscoveryService(); |
| 55 | 0 | this.peerGroup = peerGroup; |
| 56 | //Add ourself as discovery listener | |
| 57 | 0 | this.discoveryService.addDiscoveryListener(this.discoveryListener = new PeerDiscoveryListener(this)); |
| 58 | 0 | |
| 59 | 0 | } |
| 60 | 0 | |
| 61 | public synchronized JDBSPeer[] getPeer(){ | |
| 62 | 0 | return this.peer.values().toArray(new JDBSPeer[0]); |
| 63 | 0 | } |
| 64 | 0 | |
| 65 | 0 | public synchronized void addPeer(PeerAdvertisement peerAdvertisement, PeerGroup peerGroup){ |
| 66 | 0 | if(!this.peer.containsKey(peerAdvertisement.getPeerID()) && peerAdvertisement.getPeerGroupID().equals(peerGroup.getPeerGroupID())){ |
| 67 | 0 | this.setChanged(); |
| 68 | 0 | JDBSPeer jdbsPeer = new JDBSPeer(peerAdvertisement, peerGroup); |
| 69 | 0 | this.peer.put(peerAdvertisement.getPeerID(),jdbsPeer); |
| 70 | 0 | this.notifyObservers(); |
| 71 | } | |
| 72 | 0 | } |
| 73 | ||
| 74 | ||
| 75 | 0 | public void run() { |
| 76 | 0 | try { |
| 77 | 0 | while (true) { |
| 78 | 0 | |
| 79 | 0 | PeerAdvertisement[] peerAdvertisement = JxtaUtil.peersInLocalCache(this.discoveryService); |
| 80 | 0 | for(int i=0;i<peerAdvertisement.length; i++) |
| 81 | 0 | this.addPeer(peerAdvertisement[i],this.peerGroup); |
| 82 | 0 | |
| 83 | ||
| 84 | 0 | logger.info(THREAD_NAME+": Sending a Peer Discovery Message."); |
| 85 | 0 | //look for any peer |
| 86 | 0 | this.discoveryService.getRemoteAdvertisements(null, DiscoveryService.PEER, null, null, 10, this.discoveryListener); |
| 87 | 0 | //wait a bit before sending next discovery message |
| 88 | 0 | try { |
| 89 | 0 | Thread.sleep(DISCOVERY_INTERVAL); |
| 90 | 0 | } catch(Exception ex) { |
| 91 | 0 | logger.error(ex.getMessage()); |
| 92 | 0 | } |
| 93 | 0 | } |
| 94 | 0 | } |
| 95 | 0 | catch(Exception e) { |
| 96 | 0 | e.printStackTrace(); |
| 97 | 0 | } |
| 98 | ||
| 99 | 0 | } |
| 100 | 0 | |
| 101 | /** | |
| 102 | 0 | * @return Returns the peerGroup. |
| 103 | */ | |
| 104 | 0 | public PeerGroup getPeerGroup() { |
| 105 | 0 | return peerGroup; |
| 106 | } | |
| 107 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |