/* Sender of basic ping/pong example */

/* Copyright (c) 2006-2014. 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 tracing;
import org.simgrid.msg.Host;
import org.simgrid.msg.HostNotFoundException;
import org.simgrid.msg.Msg;
import org.simgrid.msg.Task;
import org.simgrid.msg.MsgException;
import org.simgrid.msg.Process;
import org.simgrid.trace.Trace;

public class Sender extends Process {
	
				private final double commSizeLat = 1;
				private final double commSizeBw = 100000000;

				public Sender(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", "sendingPing");
								
								int hostCount = args.length;
								Msg.info("host count: " + hostCount);
								String mailboxes[] = new String[hostCount]; 
								double time;
								double computeDuration = 0;
								PingPongTask ping, pong;
								
								for(int pos = 0; pos < args.length ; pos++) {
												try {
																mailboxes[pos] = Host.getByName(args[pos]).getName();
											 	} catch (HostNotFoundException e) {
																Msg.info("Invalid deployment file: " + e.toString());
																System.exit(1);
												}
								}
								
								for (int pos = 0; pos < hostCount; pos++) { 
												time = Msg.getClock(); 
												Msg.info("sender time: " + time);
												ping = new PingPongTask("no name",computeDuration,commSizeLat);
												ping.setTime(time);
												ping.send(mailboxes[pos]);
								
												Trace.hostPushState (host.getName(), "PM_STATE", "waitingPong");
												pong = (PingPongTask)Task.receive(getHost().getName());
      									double timeGot = Msg.getClock();
      									double timeSent = ping.getTime();
            						double communicationTime=0;
      									
												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 + " ----");
      
												/* Pop the last state (going back to sending ping) */	
												Trace.hostPopState (host.getName(), "PM_STATE");

								}
							   /* Pop the sendingPong state */	
								Trace.hostPopState (host.getName(), "PM_STATE");
								Msg.info("goodbye!");
				}
}