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package Examples.D_Discovering_Resources;
import Examples.B_Exploring_Connectivity_Issues.RendezVous_Jack;
import Examples.Z_Tools_And_Others.Tools;
import java.io.File;
import java.io.IOException;
import java.net.InetAddress;
import java.util.Enumeration;
import net.jxta.discovery.DiscoveryEvent;
import net.jxta.discovery.DiscoveryListener;
import net.jxta.discovery.DiscoveryService;
import net.jxta.document.Advertisement;
import net.jxta.exception.PeerGroupException;
import net.jxta.id.IDFactory;
import net.jxta.peer.PeerID;
import net.jxta.peergroup.PeerGroup;
import net.jxta.peergroup.PeerGroupID;
import net.jxta.platform.NetworkConfigurator;
import net.jxta.platform.NetworkManager;
import net.jxta.protocol.DiscoveryResponseMsg;
import net.jxta.protocol.PeerAdvertisement;
public class Edge_Maxime_The_Socializer implements DiscoveryListener {
public static final String Name = "Edge Maxime, The Socializer";
public static final int TcpPort = 9721;
public static final PeerID PID = IDFactory.newPeerID(PeerGroupID.defaultNetPeerGroupID, Name.getBytes());
public static final File ConfigurationFile = new File("." + System.getProperty("file.separator") + Name);
public void discoveryEvent(DiscoveryEvent TheDiscoveryEvent) {
// Who triggered the event?
DiscoveryResponseMsg TheDiscoveryResponseMsg = TheDiscoveryEvent.getResponse();
if (TheDiscoveryResponseMsg!=null) {
Enumeration<Advertisement> TheEnumeration = TheDiscoveryResponseMsg.getAdvertisements();
while (TheEnumeration.hasMoreElements()) {
try {
PeerAdvertisement ThePeer = (PeerAdvertisement) TheEnumeration.nextElement();
Tools.PopInformationMessage(Name, "Received advertisement of: " + ThePeer.getName());
} catch (ClassCastException Ex) {
// We are not dealing with a Peer Advertisement
}
}
}
}
public static void main(String[] args) {
try {
// Removing any existing configuration?
Tools.CheckForExistingConfigurationDeletion(Name, ConfigurationFile);
// Creation of the network manager
NetworkManager MyNetworkManager = new NetworkManager(NetworkManager.ConfigMode.EDGE,
Name, ConfigurationFile.toURI());
// Retrieving the network configurator
NetworkConfigurator MyNetworkConfigurator = MyNetworkManager.getConfigurator();
// Checking if RendezVous_Jack should be a seed
MyNetworkConfigurator.clearRendezvousSeeds();
String TheSeed = "tcp://" + InetAddress.getLocalHost().getHostAddress() + ":" + RendezVous_Jack.TcpPort;
Tools.CheckForRendezVousSeedAddition(Name, TheSeed, MyNetworkConfigurator);
// Setting Configuration
MyNetworkConfigurator.setTcpPort(TcpPort);
MyNetworkConfigurator.setTcpEnabled(true);
MyNetworkConfigurator.setTcpIncoming(true);
MyNetworkConfigurator.setTcpOutgoing(true);
// Setting the Peer ID
Tools.PopInformationMessage(Name, "Setting the peer ID to :\n\n" + PID.toString());
MyNetworkConfigurator.setPeerID(PID);
// Starting the JXTA network
Tools.PopInformationMessage(Name, "Start the JXTA network and to wait for a rendezvous\nconnection with "
+ RendezVous_Jack.Name + " for maximum 2 minutes");
PeerGroup NetPeerGroup = MyNetworkManager.startNetwork();
// Disabling any rendezvous autostart
if (MyNetworkManager.waitForRendezvousConnection(120000)) {
Tools.popConnectedRendezvous(NetPeerGroup.getRendezVousService(),Name);
} else {
Tools.PopInformationMessage(Name, "Did not connect to a rendezvous");
}
// Launching query to retrieve peer advertisements
Tools.PopInformationMessage(Name, "Start peer discovery and going to sleep for 60 seconds");
DiscoveryService TheDiscoveryService = NetPeerGroup.getDiscoveryService();
TheDiscoveryService.getRemoteAdvertisements(null, DiscoveryService.PEER,
null, null, 0, new Edge_Maxime_The_Socializer());
// Sleeping for 60 seconds
Tools.GoToSleep(60000);
// Stopping the network
Tools.PopInformationMessage(Name, "Stop the JXTA network");
MyNetworkManager.stopNetwork();
} catch (IOException Ex) {
// Raised when access to local file and directories caused an error
Tools.PopErrorMessage(Name, Ex.toString());
} catch (PeerGroupException Ex) {
// Raised when the net peer group could not be created
Tools.PopErrorMessage(Name, Ex.toString());
}
}
}