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| public class PeerA implements Runnable, DiscoveryListener ,OutputPipeListener, PipeMsgListener{
static PeerGroup netPeerGroup = null;
private DiscoveryService discovery;
private transient NetworkManager manager;
private PipeService pipeService;
private PipeAdvertisement pipeAdvIP,pipeAdvOP;
private InputPipe pipeIn = null;
private void startJxta() {
try {
manager = new NetworkManager(NetworkManager.ConfigMode.EDGE,
"peera", new File(new File(".cache"), "peera").toURI());
manager.startNetwork();
} catch (Exception e) {
e.printStackTrace();
System.exit(-1);
}
//Get the NetPeerGroup
PeerGroup netPeerGroup = manager.getNetPeerGroup();
// get the discovery service
discovery = netPeerGroup.getDiscoveryService();
pipeService = netPeerGroup.getPipeService();
pipeAdvIP = (PipeAdvertisement)AdvertisementFactory.newAdvertisement(PipeAdvertisement.getAdvertisementType());
pipeAdvIP.setName("pipeAdvA");
pipeAdvIP.setPipeID((ID) IDFactory.newPipeID(netPeerGroup.getPeerGroupID()));
pipeAdvIP.setType(PipeService.UnicastType);
System.out.println("creation d'un input pipe");
try {
pipeIn = pipeService.createInputPipe(pipeAdvIP, this);
} catch (Exception e) {
System.out.println("erreur de creation de input pipe");
}
try {
discovery.publish(pipeAdvIP);
discovery.remotePublish(pipeAdvIP);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Erreur de publication");
}
}
public void run() {
try {
// Add ourselves as a DiscoveryListener for DiscoveryResponse events
discovery.addDiscoveryListener(this);
while (true) {
System.out.println("Sending a Discovery Message");
// look for any peer
discovery.getRemoteAdvertisements(null, DiscoveryService.ADV,
null, null,
5);
// wait a bit before sending next discovery message
try {
Thread.sleep(10 * 1000);
} catch(Exception e) {}
} //end while
} catch(Exception e) {
e.printStackTrace();
}
}
public void discoveryEvent(DiscoveryEvent ev) {
DiscoveryResponseMsg res = ev.getResponse();
System.out.println("un advertisment a ete recu");
try
{
FileWriter file = new FileWriter("src/pipeadv.xml");
MimeMediaType mimeType = new MimeMediaType("text/xml");
StructuredTextDocument document = (StructuredTextDocument) res.getDocument(mimeType);
// Output the XML for the advertisement to the file.
document.sendToWriter(file);
file.close();
}
catch (Exception e)
{e.printStackTrace();
}
try {
FileInputStream is = new FileInputStream("src/pipeadv.xml");
pipeAdvOP = (PipeAdvertisement) AdvertisementFactory.newAdvertisement(new MimeMediaType("text/xml"), is);
is.close();
System.out.println("creation d'un OutputPipe***************");
pipeService.createOutputPipe(pipeAdvOP, this);
} catch (java.io.IOException e1) {
System.out.println("Echec de lecture de pipe advertisement***********");
e1.printStackTrace();
System.exit(-1);
}
}
public void outputPipeEvent(OutputPipeEvent event) {
System.out.println(" Got an output pipe event");
Message msg = null;
try {
OutputPipe op = event.getOutputPipe();
System.out.println("Sending message");
msg = new Message();
Date date = new Date(System.currentTimeMillis());
StringMessageElement sme = new StringMessageElement("pipeListenerMessage", date.toString() , null);
msg.addMessageElement(null, sme);
op.send(msg);
op.close();
} catch (IOException e) {
System.out.println("failed to send message");
e.printStackTrace();
System.exit(-1);
}
System.out.println("message sent");
}
public void pipeMsgEvent(PipeMsgEvent event) {
}
static public void main(String args[]) {
PeerA peera = new PeerA();
peera.startJxta();
peera.run();
}
} |
[JXTA] Comment récupérer les pipe advertisments des autres peers
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