CANNON PROJECT

assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/AllPduReceiver.java

+package MV3500Cohort2020JulySeptember.homework4.Cannon;
+
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import java.net.*;
+import java.io.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.utilities.PduFactory;
+import java.util.ArrayList;
+
+public class AllPduReceiver
+{
+  public static final String  DEFAULT_MULTICAST_ADDRESS = AllPduSender.DEFAULT_MULTICAST_ADDRESS;
+  public static final int     DEFAULT_MULTICAST_PORT    = AllPduSender.DEFAULT_MULTICAST_PORT;
+  public static final boolean USE_FAST_ESPDU = false;
+
+  public static void main(String args[])
+  {
+    PduFactory factory;
+    MulticastSocket socket;
+    InetAddress address;
+    DatagramPacket packet;
+
+    try {
+      System.out.println("OpenDis7Examples.AllPduReceiver started...");
+      if (args.length == 2) {
+        address = InetAddress.getByName(args[0]);
+        socket  = new MulticastSocket(Integer.parseInt(args[1]));
+      }
+      else {
+        System.out.println("Usage:   AllPduReceiver <multicast group> <port>");
+        System.out.println("Default: AllPduReceiver     " + DEFAULT_MULTICAST_ADDRESS + "      " + DEFAULT_MULTICAST_PORT);
+        socket = new MulticastSocket(DEFAULT_MULTICAST_PORT);
+        address = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+      }
+      socket.joinGroup(address);
+
+      factory = new PduFactory();
+
+      while (true) // Loop infinitely, receiving datagrams
+      {
+        byte buffer[] = new byte[1500]; // typical MTU size
+
+        packet = new DatagramPacket(buffer, buffer.length); // reset
+
+        socket.receive(packet);
+
+        Pdu pdu = factory.createPdu(packet.getData()); // packet.getData() returns byte[] array data buffer
+        if (pdu != null)
+        {
+            DISPDUType currentPduType = pdu.getPduType(); //short  currentPduType = pdu.getPduType();
+            String currentPduTypeName = pdu.getClass().getName();
+            DISProtocolFamily currentProtocolFamilyID = pdu.getProtocolFamily(); //short  currentProtocolFamilyID = pdu.getProtocolFamily();
+            String currentPduFamilyName = pdu.getClass().getSuperclass().getSimpleName();
+
+            StringBuilder message = new StringBuilder();
+            message.append(DisTime.timeStampToString(pdu.getTimestamp()) + " ");
+            message.append("received DIS PDU ");
+            String currentPduTypePadded     = String.format("%-34s", currentPduType);     // - indicates right padding of whitespace
+            message.append(" " ).append(currentPduTypePadded);
+            if (currentPduType.getValue() < 10)
+              message.append(" "); // column spacing
+//            String currentPduTypeNamePadded = String.format("%-49s", currentPduTypeName); // - indicates right padding of whitespace
+//            message.append(" of type ").append(currentPduTypeNamePadded); // package.class name
+            message.append(" (").append(currentProtocolFamilyID);
+//          message.append(" ").append(currentPduFamilyName); // class name is also available
+            message.append(")");
+            System.out.println(message.toString());
+            if (currentPduType == DISPDUType.FIRE){
+                FirePdu firePdu = new FirePdu();
+                firePdu = (FirePdu) pdu;
+                if(firePdu.getFiringEntityID().getEntityID()!= 0){
+                    System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing Muition [" + firePdu.getDescriptor().getMunitionType().getDomain() + "."+firePdu.getDescriptor().getMunitionType().getCountry()   + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "."+ firePdu.getDescriptor().getMunitionType().getSubCategory() + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "." + firePdu.getDescriptor().getMunitionType().getExtra()+ "]"+ " at Entity#"+ firePdu.getTargetEntityID().getEntityID());
+                }
+            }
+
+            switch (currentPduType) // using enumeration values from edu.​nps.​moves.​dis7.​enumerations.​DISPDUType
+            {
+                case COMMENT:
+                    CommentPdu commentPdu = (CommentPdu)pdu; // cast to precise type
+                    ArrayList<VariableDatum> payloadList = (ArrayList)commentPdu.getVariableDatums();
+                    if (!payloadList.isEmpty())
+                        System.out.print  ("   messages: ");
+                    for (VariableDatum variableDatum : payloadList)
+                    {
+                        String nextComment = new String(variableDatum.getVariableDatumValue()); // convert byte[] to String
+                        System.out.print  (" \"" + nextComment + "\"");
+                    }
+                    System.out.println();
+            }
+        }
+        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 OpenDis7Examples.AllPduReceiver, see exception trace:");
+      System.out.println(e);
+    }
+    finally {
+      System.out.println("OpenDis7Examples.AllPduReceiver complete.");
+    }
+  }
+}

assignments/src/MV3500Cohort2020JulySeptember/homework4/Cannon/ExampleArtillerySimulation.java

+/**
+ * Copyright (c) 2008-2020, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved.
+ * This work is provided under a BSD open-source license, see project license.html and license.txt
+ */
+package MV3500Cohort2020JulySeptember.homework4.Cannon;
+
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class ExampleArtillerySimulation {
+
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+
+    private String networkAddress = "239.1.2.3";
+    private int networkPort = 3000;
+
+    /**
+     * Constructor design goal: additional built-in initialization conveniences
+     * can go here to keep student efforts focused on the runSimulation()
+     * method.
+     */
+    public ExampleArtillerySimulation() {
+        // Under consideration.  Constructor is not currently needed.
+    }
+
+    /**
+     * Utility Constructor
+     *
+     * @param address network address to use
+     * @param port corresponding network port to use
+     */
+    public ExampleArtillerySimulation(String address, int port) {
+        setNetworkAddress(address);
+
+        setNetworkPort(port);
+    }
+
+    /**
+     * @return the networkAddress
+     */
+    public String getNetworkAddress() {
+        return networkAddress;
+    }
+
+    /**
+     * @param networkAddress the networkAddress to set
+     */
+    public final void setNetworkAddress(String networkAddress) {
+        this.networkAddress = networkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort() {
+        return networkPort;
+    }
+
+    /**
+     * @param networkPort the networkPort to set
+     */
+    public final void setNetworkPort(int networkPort) {
+        this.networkPort = networkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface() {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+
+        System.out.println("Network confirmation: address=" + disNetworkInterface.getMcastGroup() + " port=" + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener() {
+            /**
+             * Callback handler for listener
+             */
+            @Override
+            public void incomingPdu(Pdu newPdu) {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+    }
+
+    /**
+     * All done, release network resources
+     */
+    public void tearDownNetworkInterface() {
+        disNetworkInterface.removeListener(pduListener);
+        disNetworkInterface.kill();
+        disNetworkInterface = null;
+    }
+
+    /**
+     * Send a single Protocol Data Unit (PDU) of any type
+     *
+     * @param pdu the pdu to send
+     */
+    private void sendSinglePdu(Pdu pdu) {
+        try {
+            disNetworkInterface.send(pdu);
+            Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally
+        } catch (InterruptedException ex) {
+            System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Send EntityState, Fire, Comment PDUs
+     *
+     * @see
+     * <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing
+     * Information to a Method or a Constructor</a> Arbitrary Number of
+     * Arguments
+     * @param entityStatePdu the ESPDU to send, if any
+     * @param firePdu the FirePDU to send, if any
+     * @param commentType enumeration value describing the narrative comment
+     * @param comments String array of narrative comments
+     */
+    public void sendAllPdus(EntityStatePdu entityStatePdu,
+            FirePdu firePdu,
+            VariableRecordType commentType,
+            // vararg... variable length string
+            String... comments) {
+        if (entityStatePdu != null) {
+            sendSinglePdu(entityStatePdu);
+        }
+
+        if (firePdu != null) {
+            sendSinglePdu(firePdu); // bang
+        }
+        if ((comments != null) && (comments.length > 0)) {
+            ArrayList<String> newCommentsList = new ArrayList<>();
+            for (int i = 0; i < comments.length; i++) {
+                if (!comments[i].isEmpty()) {
+                    newCommentsList.add(comments[i]); // OK found something to send
+                }
+            }
+            if (!newCommentsList.isEmpty()) {
+                if (commentType == null) {
+                    commentType = VariableRecordType.OTHER;
+                }
+                CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
+                sendSinglePdu(commentPdu);
+            }
+        }
+    }
+
+    /**
+     * Main method is first executed when a program instance is loaded.
+     *
+     * @see
+     * <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java
+     * Tutorials: A Closer Look at the "Hello World!" Application</a>
+     * @param args command-line arguments are an array of optional String
+     * parameters that are passed from execution environment during invocation
+     */
+    public static void main(String[] args) {
+        ExampleArtillerySimulation thisProgram = new ExampleArtillerySimulation(); // creates instance
+
+        // initial execution: can handle args array of initialization arguments here
+        if (args.length == 2) {
+            if ((args[0] != null) && !args[0].isEmpty()) {
+                thisProgram.setNetworkAddress(args[0]);
+            }
+
+            if ((args[1] != null) && !args[1].isEmpty()) {
+                thisProgram.setNetworkPort(Integer.parseInt(args[1]));
+            }
+        } else if (args.length != 0) {
+            System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]");
+            System.exit(-1);
+        }
+        // OK here we go...
+
+        thisProgram.setUpNetworkInterface();
+
+        thisProgram.runSimulation(); // customization code goes in there
+
+        thisProgram.tearDownNetworkInterface();
+    }
+
+    /**
+     * Programmer-modifiable method for defining and running a new simulation of
+     * interest. Support include DIS EntityStatePdu, FirePdu and CommentPdu all
+     * available for modification and sending in a simulation loop.
+     */
+    @SuppressWarnings("SleepWhileInLoop")
+    public void runSimulation() {
+        try {
+            final double LOOP_DURATION_SECONDS = 1.0; // seconds
+            final int MAX_LOOP_COUNT = 10;
+            int loopCount = 0;
+            VariableRecordType narrativeType = VariableRecordType.OTHER; // of potential use
+            boolean simulationComplete = false; // sentinel variable as termination condition
+
+            // TODO reset clock to zero each time for consistent outputs.
+            // your model setup: who's who in this zoo?
+            // create PDU objects and set their values
+            //Vector3Double eloc3 = new Vector3Double();
+            //double[] loc3 = CoordinateConversions.getXYZfromLatLonDegrees(36.6327591, -121.9232494, 0);//My house will be the firing location of the paladin. 36.6327591,-121.9232494,18.71z
+            EntityID entityID_1 = new EntityID();
+            entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID
+
+            EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
+            entityStatePdu.setEntityID(entityID_1);
+
+            EntityID paladinID = new EntityID();
+            paladinID.setSiteID(1);
+            paladinID.setApplicationID(13);
+            paladinID.setEntityID(25);
+            entityStatePdu.setEntityID(paladinID);
+            EntityType paladinType = new EntityType(); //1.1.225.4.3.7 M109A2 Paladin (Self-proppelled howitzer)
+            paladinType.setEntityKind(EntityKind.PLATFORM);
+            paladinType.setDomain(Domain.inst(PlatformDomain.LAND));
+            paladinType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+            paladinType.setCategory(4); //4
+            paladinType.setSubCategory(3); //3
+            paladinType.setSpecific(7); //7
+
+            entityStatePdu.setEntityType(paladinType);
+            Vector3Double eloc2 = new Vector3Double();
+            double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.6327591, -121.9232494, 0);//My house will be the firing location of the paladin. 36.6327591,-121.9232494,18.71z
+            eloc2.setX(loc2[0]);
+            eloc2.setY(loc2[1]);
+            eloc2.setZ(loc2[2]);
+            entityStatePdu.setEntityLocation(eloc2);
+            EulerAngles orient2 = new EulerAngles();
+            orient2.setPhi((float) 0.0);
+            orient2.setPsi((float) 0.0);
+            orient2.setTheta((float) 0.0);
+            entityStatePdu.setEntityOrientation(orient2);
+
+            EntityStatePdu entityStatePdu2 = pduFactory.makeEntityStatePdu();
+
+            EntityID bmpID = new EntityID();
+            bmpID.setSiteID(1);
+            bmpID.setApplicationID(13);
+            bmpID.setEntityID(2);
+            entityStatePdu2.setEntityID(bmpID);
+            EntityType bmpType = new EntityType(); //1.1.222.2.2.1 Platform,Ground,Russia,ArmoredFightingVehicle,BMP2,BMP2
+            bmpType.setEntityKind(EntityKind.PLATFORM);
+            bmpType.setDomain(Domain.inst(PlatformDomain.LAND));
+            bmpType.setCountry(Country.RUSSIA);
+            bmpType.setCategory(2);
+            bmpType.setSubCategory(41);
+            bmpType.setSpecific(3);
+            entityStatePdu2.setEntityType(bmpType);
+            Vector3Double eloc1 = new Vector3Double();
+            double[] loc1 = CoordinateConversions.getXYZfromLatLonDegrees(36.594116, -121.877463, 0); //NPS Main Gate
+            eloc1.setX(loc1[0]);
+            eloc1.setY(loc1[1]);
+            eloc1.setZ(loc1[2]);
+
+            entityStatePdu2.setEntityLocation(eloc1);
+            EulerAngles orient1 = new EulerAngles();
+            orient1.setPhi((float) 0.0);
+            orient1.setPsi((float) 0.0);
+            orient1.setTheta((float) 0.0);
+            entityStatePdu2.setEntityOrientation(orient1);
+
+            int BMPHitsReceived = 0;
+            System.out.println("Firing Position Location");
+            System.out.println(eloc2.toString());
+            System.out.println("****************");
+            System.out.println("BMP Location");
+            System.out.println(eloc1.toString());
+
+            FirePdu firePduNull = new FirePdu();
+            FirePdu firePdu = pduFactory.makeFirePdu();
+            EntityID fireID = new EntityID();
+            fireID.setSiteID(1);
+            fireID.setApplicationID(13);
+            fireID.setEntityID(25);
+            EntityID targetID = new EntityID();
+            targetID.setSiteID(1);
+            targetID.setApplicationID(13);
+            targetID.setEntityID(2);
+
+            firePdu.setFiringEntityID(fireID);
+            firePdu.setTargetEntityID(targetID);
+
+            EntityType HEType = new EntityType(); //2.9.225.2.14.20.2 HE 795 W/ PD FUZE
+            HEType.setEntityKind(EntityKind.MUNITION);
+            HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+            HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+            HEType.setCategory(2); //HE is 2
+            HEType.setSubCategory(14); //14
+            HEType.setSpecific(1); //20
+            HEType.setExtra(2);  //HE PD
+            MunitionDescriptor HEIT = new MunitionDescriptor();
+            HEIT.setMunitionType(HEType);
+            HEIT.setQuantity(6);
+            HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+            HEIT.setRate(600);
+            firePdu.setDescriptor(HEIT);
+            EntityID HEID = new EntityID();
+            HEID.setEntityID(1);
+            firePdu.setMunitionExpendibleID(HEID);
+
+            Double dx = eloc2.getX() - eloc1.getX();
+            Double dy = eloc2.getY() - eloc1.getY();
+            Double range = Math.sqrt(dx * dx + dy * dy);
+            System.out.println("THE M109A6 PALADIN WILL FIRE 6 VOLLEYS OF HE/PD USING CHARGE 1L FOR DISTANCE OF " + range + " METERS AT HIGH ANGLE");
+            while (loopCount < MAX_LOOP_COUNT) // loop the simulation while allowed, can set additional conditions to break
+            {
+                String narrativeMessage1, narrativeMessage2, narrativeMessage3, narrativeMessage4;
+                narrativeMessage4 = "";
+                // initialize loop variables
+                loopCount++;
+
+                // =============================================================================================
+                // your own simulation code starts here!
+                // compute a track, update an ESPDU, whatever it is that your model is doing...
+                // Where is my entity?
+                firePduNull = firePdu;
+                System.out.println("Entity#"+ firePdu.getFiringEntityID().getEntityID() + " is firing " + 
+                        firePdu.getDescriptor().getMunitionType().getDomain() + "." + firePdu.getDescriptor().getMunitionType().getCountry() +
+                        "." + firePdu.getDescriptor().getMunitionType().getCategory() + "." + firePdu.getDescriptor().getMunitionType().getSubCategory()+
+                        "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "." + firePdu.getDescriptor().getMunitionType().getExtra() + "."+ "at Entity#" + firePdu.getTargetEntityID().getEntityID());
+
+                if (firePduNull.getTargetEntityID().getEntityID() == 2) {
+                    BMPHitsReceived += 1;
+                    if (BMPHitsReceived > 5) {
+                        //DESTROY THE BMP!
+
+                        System.out.println("BMP Destroyed after " + BMPHitsReceived + " hits from 155mm Indirect Fire");
+                        narrativeMessage4 = "Destroyed BMP2";
+                    }
+                }
+
+                // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+                narrativeMessage1 = "MV3500 ExampleSimulationProgram";
+                narrativeMessage2 = "runSimulation() loop " + loopCount;
+                narrativeMessage3 = "M109A2 Paladin"; // intentionally blank for testing
+                if (narrativeMessage4.isEmpty()) {
+                    narrativeMessage4 = "BMP2";
+                }
+                // your loop termination condition goes here
+                if (loopCount > 5) // for example
+                {
+                    simulationComplete = true;
+                }
+                // your own simulation code is finished here!
+                // =============================================================================================
+
+                // keep track of timestep: wait duration for elapsed time in this loop
+                // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes
+                Thread.sleep((long) (LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+                System.out.println("... Pausing for " + LOOP_DURATION_SECONDS + " seconds");
+
+                // send the status PDUs for this loop and continue
+                System.out.println("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent");
+                sendAllPdus(entityStatePdu, firePduNull, null, narrativeMessage1, narrativeMessage2, narrativeMessage3);
+                sendAllPdus(entityStatePdu2, null, null, narrativeMessage1, narrativeMessage2, narrativeMessage4);
+                System.out.println("... PDUs successfully sent");
+
+                // ===============================
+                // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue
+                if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good
+                {
+                    System.out.println("... Termination condition met, simulationComplete=" + simulationComplete);
+                    break;
+                }
+            }   // end of while loop
+        } catch (Exception ex) // handle any exception that your code might choose to provoke!
+        {
+            Logger.getLogger(ExampleArtillerySimulation.class.getName()).log(Level.SEVERE, null, ex);
+        }
+    }
+}