// $Id: Listen.java,v 1.1.2.4 2005/08/26 17:00:18 idgay Exp $ /* tab:4 * "Copyright (c) 2000-2003 The Regents of the University of California. * All rights reserved. * * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose, without fee, and without written agreement is * hereby granted, provided that the above copyright notice, the following * two paragraphs and the author appear in all copies of this software. * * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS." * * Copyright (c) 2002-2003 Intel Corporation * All rights reserved. * * This file is distributed under the terms in the attached INTEL-LICENSE * file. If you do not find these files, copies can be found by writing to * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA, * 94704. Attention: Intel License Inquiry. */ package net.tinyos.tools; import java.io.*; import net.tinyos.packet.*; import net.tinyos.util.*; import net.tinyos.message.*; public class Listen { public static void main(String args[]) throws IOException { String source = null; PacketSource reader; if (args.length == 2 && args[0].equals("-comm")) { source = args[1]; } else if (args.length > 0) { System.err.println("usage: java net.tinyos.tools.Listen [-comm PACKETSOURCE]"); System.err.println(" (default packet source from MOTECOM environment variable)"); System.exit(2); } if (source == null) { reader = BuildSource.makePacketSource(); } else { reader = BuildSource.makePacketSource(source); } if (reader == null) { System.err.println("Invalid packet source (check your MOTECOM environment variable)"); System.exit(2); } try { reader.open(PrintStreamMessenger.err); for (;;) { byte[] packet = reader.readPacket(); Dump.printPacket(System.out, packet); System.out.println(); System.out.flush(); } } catch (IOException e) { System.err.println("Error on " + reader.getName() + ": " + e); } } }
