Merge devel code into the trunk.

[tinyos-2.x.git] / support / sdk / java / net / tinyos / tools / Listen.java

diff --git a/support/sdk/java/net/tinyos/tools/Listen.java b/support/sdk/java/net/tinyos/tools/Listen.java
new file mode 100644 (file)
index 0000000..cfea0b6
--- /dev/null
+++ b/support/sdk/java/net/tinyos/tools/Listen.java
@@ -0,0 +1,77 @@
+// $Id$
+
+/*                                                                     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);
+       }
+    }
+}
+