local_lat.java

/*
    Copyright (c) 2007-2010 iMatix Corporation

    This file is part of 0MQ.

    0MQ is free software; you can redistribute it and/or modify it under
    the terms of the Lesser GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    0MQ is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    Lesser GNU General Public License for more details.

    You should have received a copy of the Lesser GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import org.zmq.*;

class local_lat
{
     public static void main (String [] args)
     {
         if (args.length != 3) {
             System.out.println ("usage: local_lat <bind-to> " +
                 "<message-size> <roundtrip-count>");
             return;
         }

         String bindTo = args [0];
         int messageSize = Integer.parseInt (args [1]);
         int roundtripCount = Integer.parseInt (args [2]);

         org.zmq.Context ctx = new org.zmq.Context (1, 1, 0);

         org.zmq.Socket s = new org.zmq.Socket (ctx, org.zmq.Socket.REP);
         s.bind (bindTo);

         for (int i = 0; i != roundtripCount; i++) {
             byte [] data = s.recv (0);
             assert (data.length == messageSize);
             s.send (data, 0);
         }

         try {
             Thread.sleep (1000);
         }
         catch (InterruptedException e) {
             e.printStackTrace ();
         }

     }
}