/**
* invoke as: <CODE>
* java -cp <classpath> parallel.distributed.PDBTExecSingleCltWrkInitSrv [workers_port(7890)] [client_port(7891)]
* </CODE>
*
* @param args String[]
*/
public static void main(String[] args) {
int wport = 7890; // default port
int cport = 7891;
if (args.length > 0) {
try {
wport = Integer.parseInt(args[0]);
} catch (Exception e) {
e.printStackTrace();
usage();
System.exit(-1);
}
if (args.length > 1) {
try {
cport = Integer.parseInt(args[1]);
} catch (Exception e) {
e.printStackTrace();
usage();
System.exit(-1);
}
}
}
PDBTExecSingleCltWrkInitSrv server = new PDBTExecSingleCltWrkInitSrv(wport, cport);
try {
server.run();
} catch (Exception e) {
e.printStackTrace();
System.err.println("Server exits due to exception.");
}
}
/**
* no need to synchronize any block in this method, as it is already synchronized on _srv since
* it's only called by the <CODE>_srv.addNewWorkerConnection(s)</CODE> method.
*
* @throws IOException
*/
private void init() throws IOException {
// wait until the _initCmd is ready, and send it over the socket
while (_initCmd == null) {
try {
utils.Messenger.getInstance()
.msg(
"PDBTExecSingleCltWrkInitSrv.PDBTEW2Listener.init(): "
+ "W2Thread waiting on server to obtain init_cmd from client...",
1);
_srv.wait(); // the thread calling this method is already synchronized on _srv.
} catch (InterruptedException e) {
// e.printStackTrace();
Thread.currentThread().interrupt();
}
}
_oos.writeObject(_initCmd);
_oos.flush();
utils.Messenger.getInstance()
.msg("PDBTExecSingleCltWrkInitSrv.PDBTEW2Listener.init(): done.", 1);
}