debug checks of ByteBuffer marshal/unmarshall of ESPDUs

examples/src/OpenDis7Examples/PduTrack.java

@@ -40,9 +40,11 @@ import edu.nps.moves.dis7.pdus.EntityStatePdu;
 import edu.nps.moves.dis7.pdus.EulerAngles;
 import edu.nps.moves.dis7.pdus.Pdu;
 import edu.nps.moves.dis7.pdus.Vector3Double;
+import java.nio.ByteBuffer;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
@@ -163,10 +165,10 @@ public class PduTrack
         {
             EntityStatePdu deepCopyEspdu = new EntityStatePdu();
             deepCopyEspdu.setTimestamp         (((EntityStatePdu)newPdu).getTimestamp());
+            deepCopyEspdu.setMarking          (((EntityStatePdu)newPdu).getMarking());
             deepCopyEspdu.setEntityID         (((EntityStatePdu)newPdu).getEntityID());
             deepCopyEspdu.setForceId          (((EntityStatePdu)newPdu).getForceId());
             deepCopyEspdu.setEntityType       (((EntityStatePdu)newPdu).getEntityType());
-            deepCopyEspdu.setMarking          (((EntityStatePdu)newPdu).getMarking());
             deepCopyEspdu.setEntityLocation   (((EntityStatePdu)newPdu).getEntityLocation());
             deepCopyEspdu.setEntityOrientation(((EntityStatePdu)newPdu).getEntityOrientation());
             
@@ -717,6 +719,7 @@ public class PduTrack
      */
     public void selfTest()
     {
+        final int TOTAL_PDUS = 5;
         System.out.println(TRACE_PREFIX + "selfTest() start...");
       
         PduTrack pduTrack = new PduTrack();
@@ -725,11 +728,11 @@ public class PduTrack
         pduTrack.setAuthor("Don Brutzman");
         pduTrack.setX3dModelIdentifier("https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/blob/master/examples/src/OpenDis7Examples/PduTrackInterpolation.x3d");
         
-        EntityStatePdu espdu = new EntityStatePdu();
-        espdu.setMarking("PduTrack");
-        for (int i = 0; i < 5; i++)
+        for (int i = 0; i < TOTAL_PDUS; i++)
         {
+            EntityStatePdu espdu = new EntityStatePdu();
             espdu.setTimestamp(i);
+            espdu.setMarking("PduTrack " + i);
             espdu.setEntityLocation(i, i, i);
             espdu.setEntityOrientation(0, (float)(45.0 * Math.PI / 180.0), 0);
             pduTrack.addPdu(espdu);
@@ -742,6 +745,40 @@ public class PduTrack
         System.out.println(TRACE_PREFIX + "getEspduCount()="              + pduTrack.getEspduCount());
         System.out.println(TRACE_PREFIX + "getDefaultWaypointInterval()=" + pduTrack.getDefaultWaypointInterval());
         System.out.println(TRACE_PREFIX + "getTotalDurationSeconds()="    + pduTrack.getTotalDurationSeconds());
+        
+        // marshalling checks
+        try
+        {
+            int BYTE_BUFFER_SIZE = 400; // TODO what is expected max buffer size?
+            for (int i = 0; i < TOTAL_PDUS; i++)
+            {
+                EntityStatePdu espdu = new EntityStatePdu();
+                byte[] byteArray = new byte[BYTE_BUFFER_SIZE];
+                byteArray = espdu.marshal();
+                // https://stackoverflow.com/questions/9655181/how-to-convert-a-byte-array-to-a-hex-string-in-java
+                final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
+                char[] hexChars = new char[byteArray.length * 2];
+                for (int j = 0; j < byteArray.length; j++) {
+                    int v = byteArray[j] & 0xFF;
+                    hexChars[j * 2] = HEX_ARRAY[v >>> 4];
+                    hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
+                }
+                System.out.println("espdu.marshal():                 " + new String(hexChars));
+                System.err.flush(); System.out.flush();
+                
+                ByteBuffer byteBuffer = ByteBuffer.allocate(300);
+                espdu.marshal(byteBuffer);
+                System.out.println("espdu.marshal(byteBuffer):       " + Arrays.toString(byteBuffer.array()).replace(", ", ""));
+                System.err.flush(); System.out.flush();
+                espdu.copy().marshal(byteBuffer);
+                System.out.println("espdu.copy().marshal(byteBuffer):" + Arrays.toString(byteBuffer.array()).replace(", ", ""));
+                System.err.flush(); System.out.flush();
+            }
+        }
+        catch(Exception e)
+        {
+            System.out.println(TRACE_PREFIX + "Marshalling test exception: " + e.getMessage());
+        }
         System.out.println("=================================");
         pduTrack.setAddLineBreaksWithinKeyValues(true);
         System.out.println(pduTrack.createX3dModel()); // 

examples/src/OpenDis7Examples/PduTrackLog.txt

@@ -11,6 +11,36 @@ run-single:
 [PduTrack main() self test] getEspduCount()=5
 [PduTrack main() self test] getDefaultWaypointInterval()=1.0
 [PduTrack main() self test] getTotalDurationSeconds()=5.0
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.Vector3Double
+espdu.marshal():                 070001010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EulerAngles
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EntityStatePdu
+espdu.marshal(byteBuffer):       [701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.Vector3Double
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EulerAngles
+espdu.copy().marshal(byteBuffer):[701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EntityStatePdu
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.Vector3Double
+espdu.marshal():                 070001010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EulerAngles
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EntityStatePdu
+espdu.marshal(byteBuffer):       [701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.Vector3Double
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EulerAngles
+espdu.copy().marshal(byteBuffer):[701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EntityStatePdu
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.Vector3Double
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EulerAngles
+espdu.marshal():                 070001010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+*** buffer underflow error while unmarshalling edu.nps.moves.dis7.pdus.EntityStatePdu
+espdu.marshal(byteBuffer):       [701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+espdu.copy().marshal(byteBuffer):[701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+espdu.marshal():                 070001010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+espdu.marshal(byteBuffer):       [701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+espdu.copy().marshal(byteBuffer):[701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+espdu.marshal():                 070001010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+espdu.marshal(byteBuffer):       [701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
+espdu.copy().marshal(byteBuffer):[701100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
 =================================
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 4.0//EN" "https://www.web3d.org/specifications/x3d-4.0.dtd">
@@ -19,7 +49,7 @@ run-single:
     <meta content='PduTrackInterpolation.x3d' name='title'/>
     <meta content='Conversion of ESPDU track into X3D animation interpolators and LineSet.' name='description'/>
     <meta content='1 January 2022' name='created'/>
-    <meta content='5 January 2022' name='modified'/>
+    <meta content='6 January 2022' name='modified'/>
     <meta content='Don Brutzman' name='creator'/>
     <meta content='https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/blob/master/examples/src/OpenDis7Examples/PduTrackInterpolation.x3d' name='identifier'/>
     <meta content='PduTrack utility, open-dis7-java Library https://github.com/open-dis/open-dis7-java' name='generator'/>