2 * Copyright (c) 2006-2013. The SimGrid Team.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package.
10 import org.simgrid.msg.Host;
11 import org.simgrid.msg.Msg;
12 import org.simgrid.msg.MsgException;
13 import org.simgrid.msg.Task;
14 import org.simgrid.msg.Process;
17 public class Forwarder extends Process {
18 public Forwarder(Host host, String name, String[]args) {
19 super(host,name,args);
21 public void main(String[] args) throws MsgException {
22 if (args.length < 3) {
23 Msg.info("Forwarder needs 3 arguments (input mailbox, first output mailbox, last one)");
24 Msg.info("Got "+args.length+" instead");
27 int input = Integer.valueOf(args[0]).intValue();
28 int firstOutput = Integer.valueOf(args[1]).intValue();
29 int lastOutput = Integer.valueOf(args[2]).intValue();
32 int slavesCount = lastOutput - firstOutput + 1;
33 Msg.info("Receiving on 'slave_"+input+"'");
35 Task task = Task.receive("slave_"+input);
37 if (task instanceof FinalizeTask) {
38 Msg.info("Got a finalize task. Let's forward (asynchronously) that we're done, and then sleep 20 seconds so that nobody gets a message from a terminated process.");
40 for (int cpt = firstOutput; cpt<=lastOutput; cpt++) {
41 Task tf = new FinalizeTask();
42 tf.dsend("slave_"+cpt);
47 int dest = firstOutput + (taskCount % slavesCount);
49 Msg.info("Sending \"" + task.getName() + "\" to \"slave_" + dest + "\"");
50 task.send("slave_"+dest);
56 Msg.info("I'm done. See you!");