1 /* Copyright (c) 2006-2007, 2012-2014, 2016. 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 {
16 private final double commSizeLat = 1;
17 private final double commSizeBw = 100000000;
19 public Receiver(Host host, String name, String[]args) {
20 super(host,name,args);
23 public void main(String[] args) throws MsgException {
25 Trace.hostPushState (getHost().getName(), "PM_STATE", "waitingPing");
26 double communicationTime=0;
28 double time = Msg.getClock();
30 /* Wait for the ping */
31 Msg.info("try to get a task");
33 PingPongTask ping = (PingPongTask)Task.receive(getHost().getName());
34 double timeGot = Msg.getClock();
35 double timeSent = ping.getTime();
37 Msg.info("Got at time "+ timeGot);
38 Msg.info("Was sent at time "+timeSent);
41 communicationTime=timeGot - time;
42 Msg.info("Communication time : " + communicationTime);
44 Msg.info(" --- bw "+ commSizeBw/communicationTime + " ----");
47 Trace.hostPushState (getHost().getName(), "PM_STATE", "sendingPong");
48 double computeDuration = 0;
49 PingPongTask pong = new PingPongTask("no name",computeDuration,commSizeLat);
51 pong.send(ping.getSource().getName());
53 /* Pop the two states */
54 Trace.hostPopState (getHost().getName(), "PM_STATE");
55 Trace.hostPopState (getHost().getName(), "PM_STATE");