examples/master_slave_kill/Master.java

   1 /*
   2  * Master of a basic master/slave example in Java
   3  *
   4  * Copyright 2006,2007,2010 The SimGrid Team. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the license (GNU LGPL) which comes with this package.
   8  */
   9
  10 package master_slave_kill;
  11 import org.simgrid.msg.HostNotFoundException;
  12 import org.simgrid.msg.Msg;
  13 import org.simgrid.msg.MsgException;
  14 import org.simgrid.msg.Process;
  15 import org.simgrid.msg.Task;
  16
  17 import master_slave_kill.FinalizeTask;
  18
  19 public class Master extends Process {
  20         public Master(String hostname, String name) throws HostNotFoundException {
  21                 super(hostname, name);
  22         }
  23         public void main(String[] args) throws MsgException {
  24                 Msg.info("Master Hello!");
  25                 Process process2 = null;
  26                 //Create a slave on host "alice"
  27                 try {
  28                         Msg.info("Create process on host 'alice'");
  29                     process2 = new Slave("alice","slave");
  30                     process2.start();
  31                 } catch (MsgException e){
  32                     System.out.println("Process2!");
  33                 }
  34
  35                 //Wait for slave "alice"
  36                 while(true)
  37                 {
  38                                 Task task = Task.receive("mail1");
  39                                 if (task instanceof FinalizeTask) {
  40                                         Msg.info("Received mail1!");
  41                                         break;
  42                                 }
  43                 }
  44
  45                 process2.kill();
  46
  47                 Msg.info("Process2 is now killed, should exit now");
  48         }
  49 }