/** Performs the probe asynchronously. */
private void sendProbe() {
final NameServicesChannelMessage message = new NameServicesChannelMessage();
message.agent = Nodel.getAgent();
List<String> discoveryList = new ArrayList<String>(1);
discoveryList.add("*");
List<String> typesList = new ArrayList<String>(2);
typesList.add("tcp");
typesList.add("http");
message.discovery = discoveryList;
message.types = typesList;
_lastProbe.set(System.nanoTime());
// IO is involved so use a thread-pool
_threadPool.execute(
new Runnable() {
@Override
public void run() {
sendMessage(_sendSocket, s_sendSocketLabel, _groupSocketAddress, message);
// check if hard links (direct "multicasting") are enabled for some hosts
if (_hardLinksAddresses != null && _hardLinksSocket != null) {
for (InetSocketAddress socketAddress : _hardLinksAddresses) {
sendMessage(_hardLinksSocket, s_hardLinksSocketlabel, socketAddress, message);
}
}
}
});
}
