Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Move Java examples to examples/java/.
[simgrid.git] / examples / java / tracing / Receiver.java
diff --git a/examples/java/tracing/Receiver.java b/examples/java/tracing/Receiver.java
new file mode 100644 (file)
index 0000000..09da519
--- /dev/null
@@ -0,0 +1,65 @@
+/*
+ * $Id$
+ *
+ * Copyright 2006,2007 Martin Quinson, Malek Cherier         
+ * Copyright 2012 The SimGrid Team. All rights reserved. 
+ * 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 tracing;
+import org.simgrid.msg.Host;
+import org.simgrid.msg.Msg;
+import org.simgrid.msg.MsgException;
+import org.simgrid.msg.Task;
+import org.simgrid.msg.Process;
+import org.simgrid.trace.Trace;
+
+public class Receiver extends Process {
+  
+       private  final double commSizeLat = 1;
+  private final double commSizeBw = 100000000;
+                
+       public Receiver(Host host, String name, String[]args) {
+               super(host,name,args);
+   } 
+   
+   public void main(String[] args) throws MsgException {
+        
+      Msg.info("hello!");
+      Trace.hostPushState (host.getName(), "PM_STATE", "waitingPing");
+                       double communicationTime=0;
+
+      double time = Msg.getClock();
+    
+                       /* Wait for the ping */ 
+      Msg.info("try to get a task");
+        
+      PingPongTask ping = (PingPongTask)Task.receive(getHost().getName());
+      double timeGot = Msg.getClock();
+      double timeSent = ping.getTime();
+            
+      Msg.info("Got at time "+ timeGot);
+      Msg.info("Was sent at time "+timeSent);
+      time=timeSent;
+            
+      communicationTime=timeGot - time;
+      Msg.info("Communication time : " + communicationTime);
+            
+      Msg.info(" --- bw "+ commSizeBw/communicationTime + " ----");
+      
+                       /* Send the pong */
+               Trace.hostPushState (host.getName(), "PM_STATE", "sendingPong");
+                       double computeDuration = 0;
+                       PingPongTask pong = new PingPongTask("no name",computeDuration,commSizeLat);
+                       pong.setTime(time);
+                       pong.send(ping.getSource().getName());
+
+               /* Pop the two states */
+      Trace.hostPopState (host.getName(), "PM_STATE");
+      Trace.hostPopState (host.getName(), "PM_STATE");
+  
+               Msg.info("goodbye!");
+    }
+}