public static void joinHerd(
final String dc, final String herd, final Endpoint endpoint, Endpoint shepardAddress) {
Thread.dumpStack();
final Endpoint shepard = Networking.resolve(shepardAddress.getHost(), PORT);
final RpcEndpoint sock = Networking.rpcConnect(TransportProvider.DEFAULT).toDefaultService();
Log.info(IP.localHostname() + " Contacting shepard at: " + shepard + " to join: " + herd);
System.err.println(
IP.localHostname() + " Contacting shepard at: " + shepard + " to join: " + herd);
new PeriodicTask(2.0, 1.0) {
public void run() {
try {
sock.send(
shepard,
new JoinHerdRequest(dc, herd, endpoint),
new HerdProtoHandler() {
public void onReceive(JoinHerdReply r) {
herds = r.herds();
lastChange = System.currentTimeMillis() - r.age();
Log.info(
String.format(
"Received Herd information: lastChange : [%.1f s] ago, data: %s\n",
age() / 1000.0, herds));
Threading.synchronizedNotifyAllOn(herds);
}
},
0);
if (stopProbing) cancel();
} catch (Exception x) {
Log.warning("Cannot connect to shepard at: " + shepard + " to join: " + herd);
}
}
};
}