integrate Adrien's example for Java VM energy as a tesh test

[simgrid.git] / examples / java / cloud / energy / EnergyVMRunner.java

diff --git a/examples/java/cloud/energy/EnergyVMRunner.java b/examples/java/cloud/energy/EnergyVMRunner.java
new file mode 100644 (file)
index 0000000..f967fa1
--- /dev/null
+++ b/examples/java/cloud/energy/EnergyVMRunner.java
@@ -0,0 +1,70 @@
+/* Copyright (c) 2016. The SimGrid Team. All rights reserved.               */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+package cloud.energy;
+
+import org.simgrid.msg.*;
+import org.simgrid.msg.Process;
+
+/* This class is a process in charge of running the test. It creates and starts the VMs, and fork processes within the VMs */
+public class EnergyVMRunner extends Process {
+
+       public class DummyProcess extends Process {
+               public  DummyProcess (Host host, String name) {
+                       super(host, name); 
+               }
+
+               public void main(String[] args) {               
+                       Task  task = new Task(this.getHost().getName()+"-task", 300E6 , 0);
+                       try {
+                               task.execute();   
+                       } catch (Exception e) {
+                               e.printStackTrace();
+                       } 
+                       Msg.info("This worker is done."); 
+               }
+       }
+
+       EnergyVMRunner(Host host, String name, String[] args) throws HostNotFoundException, NativeException  {
+               super(host, name, args);
+       }
+
+       public void main(String[] strings) throws MsgException, HostNotFoundException {
+               double startTime = 0;
+               double endTime = 0;
+
+               /* get hosts */
+               Host host1 = Host.getByName("MyHost1");
+               Host host2 = Host.getByName("MyHost2");
+               Host host3 = Host.getByName("MyHost3");
+
+               Msg.info("Creating and starting two VMs");
+               VM vmHost1 = new VM(host1, "vmHost1", 4, 2048, 100, null, 1024 * 20, 10,50);
+               vmHost1.start();
+
+               VM vmHost3 = new VM(host3, "vmHost3", 4, 2048, 100, null, 1024 * 20, 10,50);
+               vmHost3.start();
+
+               Msg.info("Create two tasks on Host1: one inside a VM, the other directly on the host");
+               new DummyProcess (vmHost1, "p11"); 
+               new DummyProcess (host1, "p12"); 
+
+               Msg.info("Create two tasks on Host2: both directly on the host");
+               new DummyProcess (host2, "p21"); 
+               new DummyProcess (host2, "p22"); 
+
+               Msg.info("Create two tasks on Host3: both inside a VM");
+               new DummyProcess (vmHost3, "p31"); 
+               new DummyProcess (vmHost3, "p312"); 
+
+               Msg.info("Wait 5 seconds. The tasks are still running (they run for 3 seconds, but 2 tasks are co-located, so they run for 6 seconds)"); 
+               waitFor(5); 
+               Msg.info("Wait another 5 seconds. The tasks stop at some point in between"); 
+               waitFor(5); 
+
+               vmHost1.shutdown(); 
+               vmHost3.shutdown(); 
+       }
+}