From 1b44ea9734b759f7081d28d76c0b707f0d451be5 Mon Sep 17 00:00:00 2001
From: Brittokki <Brittokki@192.168.0.6>
Date: Tue, 15 Sep 2020 17:36:18 -0700
Subject: [PATCH] Merge origin/master
Conflicts:
assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TCPReceiverVPNBridge.java
assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TcpServerForFinal.java
examples/src/HttpServletExamples/HttpWebPageSource.java
examples/src/OpenDis7Examples/ExampleSimulationProgram.java
examples/src/UdpMulticastExamples/UdpSender.java
nbproject/nbjdk.properties
---
.../homework4/Britt/PDUReciever.java | 128 +++++
.../homework4/Britt/WhiteSimulation.java | 462 ++++++++++++++++++
2 files changed, 590 insertions(+)
create mode 100644 assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/PDUReciever.java
create mode 100644 assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/WhiteSimulation.java
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/PDUReciever.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/PDUReciever.java
new file mode 100644
index 0000000000..5ab4c55cfd
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/PDUReciever.java
@@ -0,0 +1,128 @@
+package MV3500Cohort2020JulySeptember.homework4.White;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+
+/**
+ * Receives PDUs from GermanyEspduReceiverEspduVPNSender in IEEE DIS format.
+ *
+ * @date 09/05/2020
+ * @author Bernd/Stefan
+ * @version 0.1
+ */
+public class PDUReciever {
+
+ /**
+ * Max size of a PDU in binary format that we can receive. This is actually
+ * somewhat outdated--PDUs can be larger--but this is a reasonable starting
+ * point.
+ */
+ public static final int MAX_PDU_SIZE = 8192;
+
+ /**
+ * Default port used, matches Wireshark DIS capture default
+ */
+ public static final int DEFAULT_PORT = 2317;
+ public static final int SECOND_PORT = 3000;
+ public static final int THIRD_PORT = 2318;
+
+
+ /**
+ * Output prefix to identify this class
+ */
+ private final static String TRACE_PREFIX = "[" + PDUReciever.class.getName() + "] ";
+
+ public static void main(String args[]) {
+ System.out.println(TRACE_PREFIX + "started...");
+
+ MulticastSocket socket1;
+ MulticastSocket socket2;
+ MulticastSocket socket3;
+ DatagramPacket packet;
+ DatagramPacket packet2;
+ DatagramPacket packet3;
+ PduFactory pduFactory = new PduFactory();
+ ArrayList<EntityID> knownEntities = new ArrayList<EntityID>();
+ int pduCount = 0;
+
+ try {
+ // Specify the socket to receive data
+ socket1 = new MulticastSocket(DEFAULT_PORT);
+ socket2 = new MulticastSocket(SECOND_PORT);
+ socket3 = new MulticastSocket(THIRD_PORT);
+
+ System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT );//+ " " + SECOND_PORT + " " + THIRD_PORT);
+ System.out.println("====================================================");
+
+ while (true) // Loop infinitely, receiving datagrams
+ {
+ byte buffer[] = new byte[MAX_PDU_SIZE];
+ packet = new DatagramPacket(buffer, buffer.length);
+
+ socket1.receive(packet);
+
+
+
+ List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData(), packet.getLength());
+ if (pduBundle.size() > 1) { // should be 1 for this project
+ System.out.println("Bundle size is " + pduBundle.size());
+ }
+
+ // end iterator loop through PDU bundle
+ for (Pdu aPdu : pduBundle) {
+ pduCount++;
+ String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+ + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName() + " from " + packet.getAddress();
+ if (aPdu instanceof EntityStatePdu) {
+ System.out.println(receiptMessage);
+ EntityID entityID = ((EntityStatePdu) aPdu).getEntityID();
+ Vector3Double position = ((EntityStatePdu) aPdu).getEntityLocation();
+ System.out.println(" entityID triplet: [" + entityID.getSiteID() + ", " + entityID.getApplicationID() + ", " + entityID.getEntityID() + "] ");
+ if (!knownEntities.contains(entityID)){
+ knownEntities.add(entityID);
+ EntityType entityType = ((EntityStatePdu) aPdu).getEntityType();
+ System.out.println(" New Entity: " +entityType.getEntityKind() + " "+ entityType.getDomain() + " "+ entityType.getCountry() + " "+ entityType.getCategory() + " "+ entityType.getSubCategory() + " "+ entityType.getSpecific() );
+ }
+ System.out.println(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+
+ }
+ else if (aPdu instanceof FirePdu){
+ System.out.println(receiptMessage);
+ EntityID firingEntityID = ((FirePdu) aPdu).getFiringEntityID();
+ EntityID targetEntityID = ((FirePdu) aPdu).getTargetEntityID();
+ MunitionDescriptor munitionDescriptor = ((FirePdu) aPdu).getDescriptor();
+ System.out.println(" firingEntityID triplet: [" + firingEntityID.getSiteID() + ", " + firingEntityID.getApplicationID() + ", " + firingEntityID.getEntityID() + "] ");
+ System.out.println(" targetEntityID triplet: [" + targetEntityID.getSiteID() + ", " + targetEntityID.getApplicationID() + ", " + targetEntityID.getEntityID() + "] ");
+ System.out.println(" Munition Information: [" + munitionDescriptor.getMunitionType().getDomain() + "."+munitionDescriptor.getMunitionType().getCountry() + "." + munitionDescriptor.getMunitionType().getCategory() + "."+ munitionDescriptor.getMunitionType().getSubCategory() + "." + munitionDescriptor.getMunitionType().getSpecific() + "]");
+ }
+ else if (aPdu instanceof CommentReliablePdu){
+ System.out.println(receiptMessage);
+ ArrayList<VariableDatum> payloadList = (ArrayList)((CommentReliablePdu) aPdu).getVariableDatumRecords();
+ 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();
+ }
+ } //OTHER PDU TYPES
+ else {
+ System.out.println(receiptMessage);
+ }
+ } // end of bundle loop
+
+ } // end of while loop
+ } // end try block // end try block // end try block // end try block
+ catch (IOException ioe) {
+ System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+ System.out.println(ioe);
+ }
+ System.out.println(TRACE_PREFIX + "complete.");
+ } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/WhiteSimulation.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/WhiteSimulation.java
new file mode 100644
index 0000000000..9d95854ece
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/Britt/WhiteSimulation.java
@@ -0,0 +1,462 @@
+/**
+ * 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.White;
+
+import MV3500Cohort2020JulySeptember.homework4.White.working.*;
+import MV3500Cohort2020JulySeptember.homework4.White.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class WhiteSimulation
+{
+ // class variables
+ PduFactory pduFactory = new PduFactory();
+ DisThreadedNetworkInterface disNetworkInterface;
+ DisThreadedNetworkInterface.PduListener pduListener;
+ Pdu receivedPdu;
+
+ private String networkAddress = "10.1.105.7";
+ private int networkPort = 2317;
+
+ /**
+ * Constructor design goal: additional built-in initialization conveniences can go here
+ * to keep student efforts focused on the runSimulation() method.
+ */
+ public WhiteSimulation()
+ {
+ // Under consideration. Constructor is not currently needed.
+ }
+
+ /**
+ * Utility Constructor
+ * @param address network address to use
+ * @param port corresponding network port to use
+ */
+ public WhiteSimulation(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)
+ sendPDU(entityStatePdu);
+
+ if (firePdu != null)
+ sendPDU(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);
+ sendPDU(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)
+ {
+ WhiteSimulation thisProgram = new WhiteSimulation(); // 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
+ boolean fireBool = false;
+ boolean destBool = false;
+ // 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(36.600757, -121.869309, 0 );//NPS Corner by lake
+
+ 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 lavID = new EntityID();
+ lavID.setSiteID(1);
+ lavID.setApplicationID(13);
+ lavID.setEntityID(25);
+ entityStatePdu.setEntityID(lavID);
+ EntityType lavType = new EntityType(); //1.1.225.2.41.3 Platform,Ground,USA,ArmoredFightingVehicle,LAV,LAV25A2
+ lavType.setEntityKind(EntityKind.PLATFORM);
+ lavType.setDomain(Domain.inst(PlatformDomain.LAND));
+ lavType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+ lavType.setCategory(2);
+ lavType.setSubCategory(41);
+ lavType.setSpecific(3);
+ entityStatePdu.setEntityType(lavType);
+
+ Vector3Double eloc2 = new Vector3Double();
+ double[] loc2 = CoordinateConversions.getXYZfromLatLonDegrees(36.599831, -121.878842, 0); //sloat delmonte intersection
+ 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) 3.1415);
+ orient1.setPsi((float) 0.0);
+ orient1.setTheta((float) 0.0);
+ entityStatePdu2.setEntityOrientation(orient1);
+
+ int BMPHitsReceived = 0;
+
+ System.out.println(eloc2.toString());
+ 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(); //2.9.225.2.2.1
+ HEType.setEntityKind(EntityKind.MUNITION);
+ HEType.setDomain(Domain.inst(PlatformDomain.AIR));
+ HEType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+ HEType.setCategory(2);
+ HEType.setSubCategory(2);
+ HEType.setSpecific(1);
+ MunitionDescriptor HEIT = new MunitionDescriptor();
+ HEIT.setMunitionType(HEType);
+ HEIT.setQuantity(3);
+ HEIT.setFuse(MunitionDescriptorFuse.CONTACT_GRAZE);
+ HEIT.setRate(200);
+
+ firePdu.setDescriptor(HEIT);
+ EntityID HEID = new EntityID();
+ HEID.setEntityID(1);
+ firePdu.setMunitionExpendibleID(HEID);
+
+
+ CommentReliablePdu bmpDestroyedComment = pduFactory.makeCommentReliablePdu("BMP2 DESTROYED BY LAV25-A2 AFTER TWO BURSTS OF 25mm HEI-T ON TARGET");
+ CommentReliablePdu bmpSightedComment = pduFactory.makeCommentReliablePdu("LAV25-A2 ACQUIRES TARGET BMP2 WITHIN FIRING DISTANCE");
+ //if(eloc1.getX())
+
+ // should we customize this munition? what is it for your simulation?
+
+ 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?
+ entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX() - 20); // 1m per timestep
+ entityStatePdu.getEntityLocation().setY(entityStatePdu.getEntityLocation().getY() - 75);
+ // decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoort at!
+ Double dx = eloc2.getX() - eloc1.getX();
+ Double dy = eloc2.getY() - eloc1.getY();
+ Double dz = eloc2.getZ() - eloc1.getZ();
+ Double range = Math.sqrt(dx*dx + dy*dy);
+ System.out.println("range" + range + " dx:" +dx + " dy:"+ dy);
+ // etc. etc. your code goes here
+
+ if(range < 100){
+ if (!fireBool)
+ sendPDU(bmpSightedComment);
+ fireBool = true;
+ 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() + "."+ " at Entity#"+ firePdu.getTargetEntityID().getEntityID());
+
+
+ if(firePdu.getTargetEntityID().getEntityID() == 2){
+ BMPHitsReceived += 1;
+ if (BMPHitsReceived > 1) {
+ //DESTROY THE BMP!
+
+ System.out.println("BMP Destroyed after "+ BMPHitsReceived + " hits from 25mm HEI-T");
+ narrativeMessage4 = "Destroyed BMP2";
+ destBool = true;
+
+ }
+ }
+ }
+
+ // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+ narrativeMessage1 = "MV3500 ExampleSimulationProgram";
+ narrativeMessage2 = "runSimulation() loop " + loopCount;
+ narrativeMessage3 = "LAV-25A2"; // intentionally blank for testing
+ if (narrativeMessage4.isEmpty()){
+ narrativeMessage4 = "BMP2";
+ }
+ // your loop termination condition goes here
+ if (loopCount > 4) // 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);
+ sendPDU(entityStatePdu);
+ sendPDU(entityStatePdu2);
+ if (fireBool)
+ sendPDU(firePdu);
+ if (destBool)
+ sendPDU(bmpDestroyedComment);
+
+ 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
+ {
+ CommentReliablePdu completionPdu = pduFactory.makeCommentReliablePdu("White Simulation Completed");
+ sendPDU(completionPdu);
+ 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(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+ }
+ }
+
+ public void sendPDU(Pdu pdu) {
+ System.out.println("Sending a PDU");
+ MulticastSocket socket = null; // must be initialized, even if null
+ InetAddress destinationIp = null; // must be initialized, even if null
+
+ try {
+ destinationIp = InetAddress.getByName(networkAddress);
+ } catch (UnknownHostException e) {
+ System.out.println(e + " Cannot create address");
+ System.exit(0);
+ }
+ try {
+ // Set up a socket to send information
+ socket = new MulticastSocket(2317);
+ } catch (IOException ex) {
+ Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+ Set<InetAddress> broadcastAddresses;
+ // Loop through sending one ESPDUs
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ DataOutputStream dos = new DataOutputStream(baos);
+ try {
+ pdu.marshal(dos);
+ byte[] data = baos.toByteArray();
+
+ DatagramPacket packet = new DatagramPacket(data, data.length, destinationIp, 2317);
+ socket.send(packet);
+ socket.close();
+ } catch (Exception ex) {
+ Logger.getLogger(WhiteSimulation.class.getName()).log(Level.SEVERE, null, ex);
+ }
+}
+}
\ No newline at end of file
--
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