1 /* Copyright (c) 2006-2007, 2012-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
8 import org.simgrid.msg.Host;
9 import org.simgrid.msg.Msg;
10 import org.simgrid.msg.MsgException;
11 import org.simgrid.msg.Task;
12 import org.simgrid.msg.Process;
13 import org.simgrid.trace.Trace;
15 public class Receiver extends Process {
17 private final double commSizeLat = 1;
18 private final double commSizeBw = 100000000;
20 public Receiver(Host host, String name, String[]args) {
21 super(host,name,args);
24 public void main(String[] args) throws MsgException {
27 Trace.hostPushState (host.getName(), "PM_STATE", "waitingPing");
28 double communicationTime=0;
30 double time = Msg.getClock();
32 /* Wait for the ping */
33 Msg.info("try to get a task");
35 PingPongTask ping = (PingPongTask)Task.receive(getHost().getName());
36 double timeGot = Msg.getClock();
37 double timeSent = ping.getTime();
39 Msg.info("Got at time "+ timeGot);
40 Msg.info("Was sent at time "+timeSent);
43 communicationTime=timeGot - time;
44 Msg.info("Communication time : " + communicationTime);
46 Msg.info(" --- bw "+ commSizeBw/communicationTime + " ----");
49 Trace.hostPushState (host.getName(), "PM_STATE", "sendingPong");
50 double computeDuration = 0;
51 PingPongTask pong = new PingPongTask("no name",computeDuration,commSizeLat);
53 pong.send(ping.getSource().getName());
55 /* Pop the two states */
56 Trace.hostPopState (host.getName(), "PM_STATE");
57 Trace.hostPopState (host.getName(), "PM_STATE");