Merge origin/master

deliverables/src/MV3500Cohort2018JulySeptember/FinalProject/LoeffelmanSeverson/LoeffelmanSeversonDISImageReceiver.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package MV3500Cohort2018JulySeptember.FinalProject.LoeffelmanSeverson;
+
+import edu.nps.moves.dis.CommentPdu;
+import edu.nps.moves.dis.EntityID;
+import edu.nps.moves.dis.EntityStatePdu;
+import edu.nps.moves.dis.Pdu;
+import edu.nps.moves.dis.OneByteChunk;
+import edu.nps.moves.dis.VariableDatum;
+import edu.nps.moves.dis.Vector3Double;
+import edu.nps.moves.disutil.PduFactory;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.util.Iterator;
+import java.util.List;
+import javax.imageio.ImageIO;
+import javax.swing.ImageIcon;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import edu.nps.moves.disenum.PduType;
+import java.util.ArrayList;
+
+/**
+ *
+ * @author garrettloeffelman
+ */
+public class LoeffelmanSeversonDISImageReceiver {
+
+   public static final int    MULTICAST_PORT  = 3000;
+    public static final String MULTICAST_GROUP = "239.1.2.15";
+    public static final boolean USE_FAST_ESPDU = false;
+    
+    public static void main(String args[])
+    {
+        Image image = null;
+        PduFactory      factory;
+        MulticastSocket socket = null;
+        InetAddress     address = null;
+		DatagramPacket  packet;
+		
+        try
+        {
+            System.setProperty("java.net.preferIPv4Stack", "true");
+            System.out.println("DisExamples.PduReceiver started...");
+            socket  = new MulticastSocket  (MULTICAST_PORT);
+            address = InetAddress.getByName(MULTICAST_GROUP);
+            socket.joinGroup(address);
+            
+            factory = new PduFactory();
+            
+            while (true) // Loop infinitely, receiving datagrams
+            {
+                byte buffer[] = new byte[100000]; // typical MTU size
+                
+                packet = new DatagramPacket(buffer, buffer.length); // reset
+                
+                socket.receive(packet);
+                
+                Pdu pdu = factory.createPdu (packet.getData());
+		if (pdu != null)
+		{
+                    short pduType        = pdu.getPduType();
+                    String pduTypeName   = pdu.getClass().getName();
+                    short protocolFamily = pdu.getProtocolFamily(); // TODO get string enumeration
+                    
+                    if(pdu.getPduTypeEnum() == PduType.COMMENT){
+                        CommentPdu cPdu = (CommentPdu)pdu;
+                        ArrayList<VariableDatum> payload = (ArrayList)cPdu.getVariableDatums();
+                        VariableDatum payloadWrapper = payload.get(0);
+                        ArrayList<OneByteChunk> oBC = (ArrayList)payloadWrapper.getVariableData();
+                        
+                        byte[] imageByte = new byte[100000];
+                        
+                        for(int i = 0; i < oBC.size(); i++){
+                            imageByte[i] = oBC.get(i).getOtherParameters()[0];
+                        }
+                        
+                        ByteArrayInputStream bais = new ByteArrayInputStream(imageByte);
+                        BufferedImage bimage = ImageIO.read(bais);
+                        image = bimage;
+                        JFrame frame = new JFrame();
+                        frame.setSize(300, 300);
+                        JLabel label = new JLabel(new ImageIcon(image));
+                        frame.add(label);
+                        frame.setVisible(true);
+                        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+                    }
+                    
+                    
+                    StringBuilder message = new StringBuilder();
+                    message.append("received DIS PDU: ");
+                    message.append("pduType ");
+                    if (pduType < 10)
+			message.append(" ");
+			message.append(pduType).append(" ").append(pduTypeName);
+			message.append(", protocolFamily=").append(protocolFamily);
+                        System.out.println(message.toString());
+                    }
+                    else System.out.println("received packet but pdu is null, packet.getData().length=" + packet.getData().length + ", error...");
+
+            }
+        }
+        catch (IOException e)
+        {
+            System.out.println("Problem with DisExamples.PduReceiver, see exception trace:");
+            System.out.println(e);
+        }
+        finally
+        {
+            System.out.println("DisExamples.PduReceiver complete.");
+        }
+    }
+}

deliverables/src/MV3500Cohort2018JulySeptember/FinalProject/LoeffelmanSeverson/LoeffelmanSeversonDISImageSender.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package MV3500Cohort2018JulySeptember.FinalProject.LoeffelmanSeverson;
+
+import edu.nps.moves.dis.AcknowledgePdu;
+import edu.nps.moves.dis.ActionRequestPdu;
+import edu.nps.moves.dis.CollisionPdu;
+import edu.nps.moves.dis.CommentPdu;
+import edu.nps.moves.dis.CreateEntityPdu;
+import edu.nps.moves.dis.DetonationPdu;
+import edu.nps.moves.dis.EntityID;
+import edu.nps.moves.dis.EntityStatePdu;
+import edu.nps.moves.dis.EntityType;
+import edu.nps.moves.dis.FirePdu;
+import edu.nps.moves.dis.Pdu;
+import edu.nps.moves.dis.VariableDatum;
+import edu.nps.moves.dis.RemoveEntityPdu;
+import edu.nps.moves.dis.RepairCompletePdu;
+import edu.nps.moves.dis.RepairResponsePdu;
+import edu.nps.moves.dis.ResupplyCancelPdu;
+import edu.nps.moves.dis.ResupplyOfferPdu;
+import edu.nps.moves.dis.ResupplyReceivedPdu;
+import edu.nps.moves.dis.ServiceRequestPdu;
+import edu.nps.moves.dis.StartResumePdu;
+import edu.nps.moves.dis.StopFreezePdu;
+import edu.nps.moves.dis.Vector3Double;
+import edu.nps.moves.disenum.PduType;
+import edu.nps.moves.disutil.CoordinateConversions;
+import edu.nps.moves.disutil.DisTime;
+import edu.nps.moves.dis.OneByteChunk;
+import edu.nps.moves.examples.ClassNameComparator;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.InterfaceAddress;
+import java.net.MalformedURLException;
+import java.net.MulticastSocket;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.net.URL;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Properties;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.imageio.ImageIO;
+
+/**
+ *
+ * @author garrettloeffelman
+ */
+public class LoeffelmanSeversonDISImageSender {
+
+  /** Default multicast group address we send on. */
+    public static final String DEFAULT_MULTICAST_ADDRESS = "239.1.2.15";
+	
+    /** Default multicast port used, matches Wire-shark DIS capture default */
+    public static final int    DEFAULT_MULTICAST_PORT    = 3000;
+	
+    private int port;
+    InetAddress multicastAddress;
+
+    public LoeffelmanSeversonDISImageSender (int port, String multicast) {
+        try
+	{
+            System.setProperty("java.net.preferIPv4Stack", "true");
+            this.port = port;
+            multicastAddress = InetAddress.getByName(multicast);
+            if (!multicastAddress.isMulticastAddress())
+            {
+                System.out.println("Not a multicast address: " + multicast);
+            }
+        } 
+		catch (UnknownHostException e) {
+            System.out.println("Unable to open socket: " + e);
+        }
+    }
+
+    public void run()
+	{
+		System.out.println("DisExamples.PduSender started...");
+        try {
+            URL url1 = new URL("https://cdn1.iconfinder.com/data/icons/cute-monkey-emoticon/595/MONKEY_EMOTICON-05-512.png");
+            URL url2 = new URL("https://images.all-free-download.com/images/graphicthumb/yammi_banana_99225.jpg");
+            List<Pdu> generatedPdus = new ArrayList<>();
+
+            // Loop through all the enumerated PDU types, create a PDU for each type,
+            // and add that PDU to a list.
+            for (PduType pdu : PduType.values()) {
+                Pdu aPdu = null;
+
+                switch (pdu) // using enumeration values from edu.nps.moves.disenum.*
+				{
+                    case ENTITY_STATE:
+                        aPdu = new EntityStatePdu();
+                        break;
+                        
+                    case COMMENT:
+                        aPdu = new CommentPdu();
+                        CommentPdu cPdu = (CommentPdu)aPdu;
+                        BufferedImage image = ImageIO.read(url1);
+                        
+                        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                        ImageIO.write(image, "png", baos);
+                        byte[] buffer;
+                        buffer = baos.toByteArray();
+                        ArrayList<VariableDatum> payload = new ArrayList<VariableDatum>();
+                        ArrayList<OneByteChunk> payloadWrapper = new ArrayList<OneByteChunk>();
+                        VariableDatum variableDatum = new VariableDatum();
+                        for(int i = 0; i < buffer.length; i++){
+                            OneByteChunk oBC = new OneByteChunk();
+                            byte[] oneBite = new byte[1];
+                            oneBite[0] = buffer[i];
+                            oBC.setOtherParameters(oneBite);
+                            payloadWrapper.add(oBC);
+                        }
+                        System.out.println("Sending Picture");
+
+                        variableDatum.setVariableData(payloadWrapper);
+                        
+                        payload.add(variableDatum);
+                        cPdu.setVariableDatums(payload);
+                        break;
+
+                    case FIRE:
+                        aPdu = new FirePdu();
+                        break;
+
+                    case DETONATION:
+                        aPdu = new DetonationPdu();
+                        break;
+
+                    case COLLISION:
+                        aPdu = new CollisionPdu();
+                        break;
+
+                    case SERVICE_REQUEST:
+                        aPdu = new ServiceRequestPdu();
+                        break;
+
+                    case RESUPPLY_OFFER:
+                        aPdu = new ResupplyOfferPdu();
+                        break;
+
+                    case RESUPPLY_RECEIVED:
+                        aPdu = new ResupplyReceivedPdu();
+                        break;
+
+                    case RESUPPLY_CANCEL:
+                        aPdu = new ResupplyCancelPdu();
+                        break;
+
+                    case REPAIR_COMPLETE:
+                        aPdu = new RepairCompletePdu();
+                        break;
+
+                    case REPAIR_RESPONSE:
+                        aPdu = new RepairResponsePdu();
+                        break;
+
+                    case CREATE_ENTITY:
+                        aPdu = new CreateEntityPdu();
+                        break;
+
+                    case REMOVE_ENTITY:
+                        aPdu = new RemoveEntityPdu();
+                        break;
+
+                    case START_RESUME:
+                        aPdu = new StartResumePdu();
+                        break;
+
+                    case STOP_FREEZE:
+                        aPdu = new StopFreezePdu();
+                        break;
+
+                    case ACKNOWLEDGE:
+                        aPdu = new AcknowledgePdu();
+                        break;
+
+                    case ACTION_REQUEST:
+                        aPdu = new ActionRequestPdu();
+                        break;
+
+                    default:
+                        System.out.print("PDU of type " + pdu + " not supported, created or sent ");
+                        System.out.println();
+                }
+                if (aPdu != null)
+		{
+                    generatedPdus.add(aPdu);
+                }
+            }
+
+            // Sort the created PDUs by class name
+            Collections.sort(generatedPdus, new ClassNameComparator());
+
+            // Send the PDUs we created
+            InetAddress localMulticastAddress = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+            MulticastSocket socket = new MulticastSocket(DEFAULT_MULTICAST_PORT);
+            socket.joinGroup(localMulticastAddress);
+
+            for (int idx = 0; idx < generatedPdus.size(); idx++)
+		{
+                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                DataOutputStream dos = new DataOutputStream(baos);
+                byte[] buffer;
+
+                Pdu aPdu = generatedPdus.get(idx);
+
+                aPdu.marshal(dos);
+
+                buffer = baos.toByteArray();
+                DatagramPacket packet = new DatagramPacket(buffer, buffer.length, localMulticastAddress, DEFAULT_MULTICAST_PORT);
+                socket.send(packet);
+                System.out.println("Sent PDU of type " + aPdu.getClass().getName());
+            }
+            // write the PDUs out to an XML file.
+            //PduContainer container = new PduContainer();
+            //container.setPdus(generatedPdus);
+            //container.marshallToXml("examplePdus.xml");
+        } catch (IOException e)
+		{
+            System.out.println(e);
+        }
+    }
+
+    public static void main(String args[])
+	{
+        if (args.length == 2) {
+            LoeffelmanSeversonDISImageSender sender = new LoeffelmanSeversonDISImageSender(Integer.parseInt(args[0]), args[1]);
+            sender.run();
+        } else {
+            System.out.println("Usage:   PduSender <port> <multicast group>");
+            System.out.println("Default: PduSender  " + DEFAULT_MULTICAST_PORT + "   " + DEFAULT_MULTICAST_ADDRESS);
+            LoeffelmanSeversonDISImageSender sender = new  LoeffelmanSeversonDISImageSender(DEFAULT_MULTICAST_PORT, DEFAULT_MULTICAST_ADDRESS);
+            sender.run();
+        }
+    }
+}

deliverables/src/MV3500Cohort2018JulySeptember/FinalProjects/LoeffelmanSeverson/LoeffelmanSeversonDISImageReceiver.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package MV3500Cohort2018JulySeptember.FinalProjects.LoeffelmanSeverson;
+
+import edu.nps.moves.dis.CommentPdu;
+import edu.nps.moves.dis.EntityID;
+import edu.nps.moves.dis.EntityStatePdu;
+import edu.nps.moves.dis.Pdu;
+import edu.nps.moves.dis.OneByteChunk;
+import edu.nps.moves.dis.VariableDatum;
+import edu.nps.moves.dis.Vector3Double;
+import edu.nps.moves.disutil.PduFactory;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.util.Iterator;
+import java.util.List;
+import javax.imageio.ImageIO;
+import javax.swing.ImageIcon;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import edu.nps.moves.disenum.PduType;
+import java.util.ArrayList;
+
+/**
+ *
+ * @author garrettloeffelman
+ */
+public class LoeffelmanSeversonDISImageReceiver {
+
+   public static final int    MULTICAST_PORT  = 3000;
+    public static final String MULTICAST_GROUP = "239.1.2.15";
+    public static final boolean USE_FAST_ESPDU = false;
+    
+    public static void main(String args[])
+    {
+        Image image = null;
+        PduFactory      factory;
+        MulticastSocket socket = null;
+        InetAddress     address = null;
+		DatagramPacket  packet;
+		
+        try
+        {
+            System.setProperty("java.net.preferIPv4Stack", "true");
+            System.out.println("DisExamples.PduReceiver started...");
+            socket  = new MulticastSocket  (MULTICAST_PORT);
+            address = InetAddress.getByName(MULTICAST_GROUP);
+            socket.joinGroup(address);
+            
+            factory = new PduFactory();
+            
+            while (true) // Loop infinitely, receiving datagrams
+            {
+                byte buffer[] = new byte[100000]; // typical MTU size
+                
+                packet = new DatagramPacket(buffer, buffer.length); // reset
+                
+                socket.receive(packet);
+                
+                Pdu pdu = factory.createPdu (packet.getData());
+		if (pdu != null)
+		{
+                    short pduType        = pdu.getPduType();
+                    String pduTypeName   = pdu.getClass().getName();
+                    short protocolFamily = pdu.getProtocolFamily(); // TODO get string enumeration
+                    
+                    if(pdu.getPduTypeEnum() == PduType.COMMENT){
+                        CommentPdu cPdu = (CommentPdu)pdu;
+                        ArrayList<VariableDatum> payload = (ArrayList)cPdu.getVariableDatums();
+                        VariableDatum payloadWrapper = payload.get(0);
+                        ArrayList<OneByteChunk> oBC = (ArrayList)payloadWrapper.getVariableData();
+                        
+                        byte[] imageByte = new byte[100000];
+                        
+                        for(int i = 0; i < oBC.size(); i++){
+                            imageByte[i] = oBC.get(i).getOtherParameters()[0];
+                        }
+                        
+                        ByteArrayInputStream bais = new ByteArrayInputStream(imageByte);
+                        BufferedImage bimage = ImageIO.read(bais);
+                        image = bimage;
+                        JFrame frame = new JFrame();
+                        frame.setSize(300, 300);
+                        JLabel label = new JLabel(new ImageIcon(image));
+                        frame.add(label);
+                        frame.setVisible(true);
+                        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+                    }
+                    
+                    
+                    StringBuilder message = new StringBuilder();
+                    message.append("received DIS PDU: ");
+                    message.append("pduType ");
+                    if (pduType < 10)
+			message.append(" ");
+			message.append(pduType).append(" ").append(pduTypeName);
+			message.append(", protocolFamily=").append(protocolFamily);
+                        System.out.println(message.toString());
+                    }
+                    else System.out.println("received packet but pdu is null, packet.getData().length=" + packet.getData().length + ", error...");
+
+            }
+        }
+        catch (IOException e)
+        {
+            System.out.println("Problem with DisExamples.PduReceiver, see exception trace:");
+            System.out.println(e);
+        }
+        finally
+        {
+            System.out.println("DisExamples.PduReceiver complete.");
+        }
+    }
+}

deliverables/src/MV3500Cohort2018JulySeptember/FinalProjects/LoeffelmanSeverson/LoeffelmanSeversonDISImageSender.java

+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package MV3500Cohort2018JulySeptember.FinalProjects.LoeffelmanSeverson;
+
+import edu.nps.moves.dis.AcknowledgePdu;
+import edu.nps.moves.dis.ActionRequestPdu;
+import edu.nps.moves.dis.CollisionPdu;
+import edu.nps.moves.dis.CommentPdu;
+import edu.nps.moves.dis.CreateEntityPdu;
+import edu.nps.moves.dis.DetonationPdu;
+import edu.nps.moves.dis.EntityID;
+import edu.nps.moves.dis.EntityStatePdu;
+import edu.nps.moves.dis.EntityType;
+import edu.nps.moves.dis.FirePdu;
+import edu.nps.moves.dis.Pdu;
+import edu.nps.moves.dis.VariableDatum;
+import edu.nps.moves.dis.RemoveEntityPdu;
+import edu.nps.moves.dis.RepairCompletePdu;
+import edu.nps.moves.dis.RepairResponsePdu;
+import edu.nps.moves.dis.ResupplyCancelPdu;
+import edu.nps.moves.dis.ResupplyOfferPdu;
+import edu.nps.moves.dis.ResupplyReceivedPdu;
+import edu.nps.moves.dis.ServiceRequestPdu;
+import edu.nps.moves.dis.StartResumePdu;
+import edu.nps.moves.dis.StopFreezePdu;
+import edu.nps.moves.dis.Vector3Double;
+import edu.nps.moves.disenum.PduType;
+import edu.nps.moves.disutil.CoordinateConversions;
+import edu.nps.moves.disutil.DisTime;
+import edu.nps.moves.dis.OneByteChunk;
+import edu.nps.moves.examples.ClassNameComparator;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.InterfaceAddress;
+import java.net.MalformedURLException;
+import java.net.MulticastSocket;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.net.URL;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Properties;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.imageio.ImageIO;
+
+/**
+ *
+ * @author garrettloeffelman
+ */
+public class LoeffelmanSeversonDISImageSender {
+
+  /** Default multicast group address we send on. */
+    public static final String DEFAULT_MULTICAST_ADDRESS = "239.1.2.15";
+	
+    /** Default multicast port used, matches Wire-shark DIS capture default */
+    public static final int    DEFAULT_MULTICAST_PORT    = 3000;
+	
+    private int port;
+    InetAddress multicastAddress;
+
+    public LoeffelmanSeversonDISImageSender (int port, String multicast) {
+        try
+	{
+            System.setProperty("java.net.preferIPv4Stack", "true");
+            this.port = port;
+            multicastAddress = InetAddress.getByName(multicast);
+            if (!multicastAddress.isMulticastAddress())
+            {
+                System.out.println("Not a multicast address: " + multicast);
+            }
+        } 
+		catch (UnknownHostException e) {
+            System.out.println("Unable to open socket: " + e);
+        }
+    }
+
+    public void run()
+	{
+		System.out.println("DisExamples.PduSender started...");
+        try {
+            URL url1 = new URL("https://cdn1.iconfinder.com/data/icons/cute-monkey-emoticon/595/MONKEY_EMOTICON-05-512.png");
+            URL url2 = new URL("https://images.all-free-download.com/images/graphicthumb/yammi_banana_99225.jpg");
+            List<Pdu> generatedPdus = new ArrayList<>();
+
+            // Loop through all the enumerated PDU types, create a PDU for each type,
+            // and add that PDU to a list.
+            for (PduType pdu : PduType.values()) {
+                Pdu aPdu = null;
+
+                switch (pdu) // using enumeration values from edu.nps.moves.disenum.*
+				{
+                    case ENTITY_STATE:
+                        aPdu = new EntityStatePdu();
+                        break;
+                        
+                    case COMMENT:
+                        aPdu = new CommentPdu();
+                        CommentPdu cPdu = (CommentPdu)aPdu;
+                        BufferedImage image = ImageIO.read(url1);
+                        
+                        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                        ImageIO.write(image, "png", baos);
+                        byte[] buffer;
+                        buffer = baos.toByteArray();
+                        ArrayList<VariableDatum> payload = new ArrayList<VariableDatum>();
+                        ArrayList<OneByteChunk> payloadWrapper = new ArrayList<OneByteChunk>();
+                        VariableDatum variableDatum = new VariableDatum();
+                        for(int i = 0; i < buffer.length; i++){
+                            OneByteChunk oBC = new OneByteChunk();
+                            byte[] oneBite = new byte[1];
+                            oneBite[0] = buffer[i];
+                            oBC.setOtherParameters(oneBite);
+                            payloadWrapper.add(oBC);
+                        }
+                        System.out.println("Sending Picture");
+
+                        variableDatum.setVariableData(payloadWrapper);
+                        
+                        payload.add(variableDatum);
+                        cPdu.setVariableDatums(payload);
+                        break;
+
+                    case FIRE:
+                        aPdu = new FirePdu();
+                        break;
+
+                    case DETONATION:
+                        aPdu = new DetonationPdu();
+                        break;
+
+                    case COLLISION:
+                        aPdu = new CollisionPdu();
+                        break;
+
+                    case SERVICE_REQUEST:
+                        aPdu = new ServiceRequestPdu();
+                        break;
+
+                    case RESUPPLY_OFFER:
+                        aPdu = new ResupplyOfferPdu();
+                        break;
+
+                    case RESUPPLY_RECEIVED:
+                        aPdu = new ResupplyReceivedPdu();
+                        break;
+
+                    case RESUPPLY_CANCEL:
+                        aPdu = new ResupplyCancelPdu();
+                        break;
+
+                    case REPAIR_COMPLETE:
+                        aPdu = new RepairCompletePdu();
+                        break;
+
+                    case REPAIR_RESPONSE:
+                        aPdu = new RepairResponsePdu();
+                        break;
+
+                    case CREATE_ENTITY:
+                        aPdu = new CreateEntityPdu();
+                        break;
+
+                    case REMOVE_ENTITY:
+                        aPdu = new RemoveEntityPdu();
+                        break;
+
+                    case START_RESUME:
+                        aPdu = new StartResumePdu();
+                        break;
+
+                    case STOP_FREEZE:
+                        aPdu = new StopFreezePdu();
+                        break;
+
+                    case ACKNOWLEDGE:
+                        aPdu = new AcknowledgePdu();
+                        break;
+
+                    case ACTION_REQUEST:
+                        aPdu = new ActionRequestPdu();
+                        break;
+
+                    default:
+                        System.out.print("PDU of type " + pdu + " not supported, created or sent ");
+                        System.out.println();
+                }
+                if (aPdu != null)
+		{
+                    generatedPdus.add(aPdu);
+                }
+            }
+
+            // Sort the created PDUs by class name
+            Collections.sort(generatedPdus, new ClassNameComparator());
+
+            // Send the PDUs we created
+            InetAddress localMulticastAddress = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+            MulticastSocket socket = new MulticastSocket(DEFAULT_MULTICAST_PORT);
+            socket.joinGroup(localMulticastAddress);
+
+            for (int idx = 0; idx < generatedPdus.size(); idx++)
+		{
+                ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                DataOutputStream dos = new DataOutputStream(baos);
+                byte[] buffer;
+
+                Pdu aPdu = generatedPdus.get(idx);
+
+                aPdu.marshal(dos);
+
+                buffer = baos.toByteArray();
+                DatagramPacket packet = new DatagramPacket(buffer, buffer.length, localMulticastAddress, DEFAULT_MULTICAST_PORT);
+                socket.send(packet);
+                System.out.println("Sent PDU of type " + aPdu.getClass().getName());
+            }
+            // write the PDUs out to an XML file.
+            //PduContainer container = new PduContainer();
+            //container.setPdus(generatedPdus);
+            //container.marshallToXml("examplePdus.xml");
+        } catch (IOException e)
+		{
+            System.out.println(e);
+        }
+    }
+
+    public static void main(String args[])
+	{
+        if (args.length == 2) {
+            LoeffelmanSeversonDISImageSender sender = new LoeffelmanSeversonDISImageSender(Integer.parseInt(args[0]), args[1]);
+            sender.run();
+        } else {
+            System.out.println("Usage:   PduSender <port> <multicast group>");
+            System.out.println("Default: PduSender  " + DEFAULT_MULTICAST_PORT + "   " + DEFAULT_MULTICAST_ADDRESS);
+            LoeffelmanSeversonDISImageSender sender = new  LoeffelmanSeversonDISImageSender(DEFAULT_MULTICAST_PORT, DEFAULT_MULTICAST_ADDRESS);
+            sender.run();
+        }
+    }
+}