diff --git a/assignments/src/MV3500Cohort2021JulySeptember/homework3/Frank/FrankUdpServer.java b/assignments/src/MV3500Cohort2021JulySeptember/homework3/Frank/FrankUdpServer.java
deleted file mode 100644
index b33eb9dd134236dc091e25f4ef6a7ae065cb2005..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2021JulySeptember/homework3/Frank/FrankUdpServer.java
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@@ -1,389 +0,0 @@
-package MV3500Cohort2021JulySeptember.homework3.Frank;
-
-import static com.google.common.collect.Multimaps.index;
-import edu.nps.moves.dis7.enumerations.VariableRecordType;
-import edu.nps.moves.dis7.pdus.CommentPdu;
-import edu.nps.moves.dis7.pdus.EntityID;
-import edu.nps.moves.dis7.pdus.EntityStatePdu;
-import edu.nps.moves.dis7.pdus.FirePdu;
-import edu.nps.moves.dis7.pdus.Pdu;
-import edu.nps.moves.dis7.pdus.Vector3Double;
-import edu.nps.moves.dis7.utilities.CoordinateConversions;
-import edu.nps.moves.dis7.utilities.DisThreadedNetworkInterface;
-import edu.nps.moves.dis7.utilities.PduFactory;
-import edu.nps.moves.dis7.utilities.stream.PduRecorder;
-import java.net.MulticastSocket;
-import java.util.ArrayList;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-/**
- * The purpose of this program is to provide an easily modifiable example
- * simulation program that includes DIS-capable entities doing tasks and
- * reporting them to the network. Default settings include PDU recording turned
- * on by default.
- */
-public class FrankUdpServer {
-
- /**
- * This runSimulation() method is for you! This block is
- * 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. Continuous
- * improvement efforts seek to make this program as easy and straightforward
- * as possible for new simulationists to use and adapt. All of the other
- * methods are setup, teardown and configuration that you don't have to
- * worry about.
- */
- // ICBM coordinates for my office
- double latitude = 36.595517;
- double longitude = -121.877000;
-
-
- @SuppressWarnings("SleepWhileInLoop")
- public void runSimulation() {
- try {
- /**
- * seconds for real-time execution (not simulation time, which may
- * or may not be the same)
- */
-
- // ICBM coordinates for my office
- double latitude = 36.595517;
- double longitude = -121.877000;
-
-
- final double LOOP_DURATION_SECONDS = 1.0;
- final int MAX_LOOP_COUNT = 10; // be deliberate out out there!
- int loopCount = 0; // initialized at 0
- boolean simulationComplete = false; // sentinel variable as termination condition,, are we done yet?
-
- // 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
- EntityID entityID_1 = new EntityID();
- entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID;
- // TODO use enumerations; is there a unique site triplet for MOVES Institute?
-
- EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu();
- entityStatePdu.setEntityID(entityID_1);
-
- FirePdu firePdu = pduFactory.makeFirePdu();
- // should we customize this munition? what is it for your simulation?
-
- // TODO simulation management PDUs for startup
- // loop the simulation while allowed, programmer can set additional conditions to break out and finish
- int port = 3000;
- MulticastSocket socket = null; // must be i
- socket = new MulticastSocket(port);
- while (loopCount < MAX_LOOP_COUNT) // are we done yet?
- {
- loopCount++; // good practice: increment loop counter as first action
-
- // =============================================================================================
- // your own simulation code starts here!
- // are there any other variables to modify at the beginning of your loop?
- // compute a track, update an ESPDU, whatever it is that your model is doing...
- // Where is my entity? Insert changes in position.
- entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX() + 1.0); // 1m per timestep
-
- // decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoort at!
- firePdu.setLocationInWorldCoordinates(entityStatePdu.getEntityLocation());
- byte[] fireArray = firePdu.marshal();
-
- System.out.println("FirePdu #" + loopCount + " firePdu=[FireMissionIndex=" + firePdu.getFireMissionIndex() + ", descriptor=" + firePdu.getDescriptor() + "]");
-
-// etc. etc. your code goes here
- // something happens between my simulation entities, la de da de da...
- System.out.println("... My simulation just did something, no really...");
-
- // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
- narrativeMessage1 = "MV3500 FrankUdpServer";
- narrativeMessage2 = "runSimulation() loop " + loopCount;
- narrativeMessage3 = ""; // intentionally blank for testing
-
- // 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");
- sendAllPdusForLoopTimestep(entityStatePdu, firePdu, timeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
- System.out.println("... [PDUs successfully sent for this loop]");
-
- // ===============================
- // 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 + "]"); // ", final loopCount=" + loopCount +
- break;
- }
- } // end of while loop
- // all done
- narrativeMessage2 = "runSimulation() completed successfully";
- sendCommentPdu(narrativeComment, narrativeMessage1, narrativeMessage2, narrativeMessage3);
- System.out.println("... [final CommentPdu successfully sent for simulation]");
- // TODO simulation management PDUs
- } catch (InterruptedException iex) // handle any exception that your code might choose to provoke!
- {
- Logger.getLogger(FrankUdpServer.class.getName()).log(Level.SEVERE, null, iex);
- } catch (Exception ex) {
- }
- }
- /* **************************** infrastructure code, modification is seldom needed ************************* */
-
- private boolean verboseComments = true;
- String narrativeMessage1 = new String();
- String narrativeMessage2 = new String();
- String narrativeMessage3 = new String();
-
- /* VariableRecordType enumerations have potential use with CommentPdu logs */
- VariableRecordType descriptionComment = VariableRecordType.DESCRIPTION;
- VariableRecordType narrativeComment = VariableRecordType.COMPLETE_EVENT_REPORT;
- VariableRecordType statusComment = VariableRecordType.APPLICATION_STATUS;
- VariableRecordType timeStepComment = VariableRecordType.APPLICATION_TIMESTEP;
- VariableRecordType otherComment = VariableRecordType.OTHER;
-
- /**
- * Output prefix to identify this class, helps with logging
- */
- private final static String TRACE_PREFIX = "[" + FrankUdpServer.class.getName() + "] ";
-
- // class variables
- PduFactory pduFactory = new PduFactory();
- DisThreadedNetworkInterface disNetworkInterface;
- DisThreadedNetworkInterface.PduListener pduListener;
- Pdu receivedPdu;
-
- static final String networkAddress_DEFAULT = "239.1.2.3";
- static final int networkPort_DEFAULT = 3000;
- static String networkAddress = networkAddress_DEFAULT;
- static int networkPort = networkPort_DEFAULT;
-
- /**
- * Constructor design goal: additional built-in initialization conveniences
- * can go here to keep student efforts focused on the runSimulation()
- * method.
- */
- public FrankUdpServer() {
- // Constructor is under consideration. Constructor is not currently needed.
- }
-
- /**
- * Utility Constructor that allows your example simulation program to
- * override default network address and port
- *
- * @param address network address to use
- * @param port corresponding network port to use
- */
- public FrankUdpServer(String address, int port) {
- setNetworkAddress(address);
-
- setNetworkPort(port);
- }
-
- /**
- * @return the networkAddress
- */
- public String getNetworkAddress() {
- return networkAddress;
- }
-
- /**
- * @param newNetworkAddress the networkAddress to set
- */
- public final void setNetworkAddress(String newNetworkAddress) {
- FrankUdpServer.networkAddress = newNetworkAddress;
- }
-
- /**
- * @return the networkPort
- */
- public int getNetworkPort() {
- return networkPort;
- }
-
- /**
- * @param newNetworkPort the networkPort to set
- */
- public final void setNetworkPort(int newNetworkPort) {
- FrankUdpServer.networkPort = newNetworkPort;
- }
-
- /**
- * Initialize network interface, choosing best available network interface
- */
- public void setUpNetworkInterface() {
- disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
-
- System.out.println("Network confirmation: address=" + disNetworkInterface.getMulticastGroup() + " 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 Comment PDU
- *
- * @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 commentType enumeration value describing purpose of the narrative
- * comment
- * @param comments String array of narrative comments
- */
- public void sendCommentPdu(VariableRecordType commentType,
- // vararg... variable-length set of String comments can optionally follow
- String... comments) {
- sendAllPdusForLoopTimestep(null, null, commentType, comments);
- }
-
- /**
- * Send EntityState, Fire, Comment PDUs that got updated for this loop,
- * reflecting state of current simulation timestep.
- *
- * @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 purpose of the narrative
- * comment
- * @param comments String array of narrative comments
- */
- public void sendAllPdusForLoopTimestep(EntityStatePdu entityStatePdu,
- FirePdu firePdu,
- VariableRecordType commentType,
- // vararg... variable-length set of String comments can optionally follow
- 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 = otherComment; // fallback value otherComment
- } // now build the commentPdu from these string inputs, thus constructing a narrative entry
- CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments);
- sendSinglePdu(commentPdu);
- if (isVerboseComments()) {
- System.out.println("*** [Narrative comment sent: " + commentType.name() + "] " + newCommentsList.toString());
- }
- }
- }
- }
-
- /**
- * 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) {
- System.out.println(TRACE_PREFIX + "started...");
-
- FrankUdpServer thisProgram = new FrankUdpServer(); // 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();
-
-
-
- String DEFAULT_OUTPUT_DIRECTORY = "./pduLog";
- String outputDirectory = DEFAULT_OUTPUT_DIRECTORY;
- System.out.println("Beginning pdu save to directory " + outputDirectory);
- //System.out.println(" latitude, longitude: [" + latitude + ", " + longitude + "]");
- PduRecorder pduRecorder = new PduRecorder(outputDirectory, networkAddress, networkPort); // assumes save
-
- thisProgram.runSimulation(); // ... your simulation execution code goes in there ...
-
- pduRecorder.end();
-
- thisProgram.tearDownNetworkInterface(); // make sure no processes are left lingering
-
- System.out.println(TRACE_PREFIX + "complete."); // report successful completion
- }
-
- /**
- * @return whether verboseComments mode is enabled
- */
- public boolean isVerboseComments() {
- return verboseComments;
- }
-
- /**
- * @param newVerboseComments whether verboseComments mode is enabled
- */
- public void setVerboseComments(boolean newVerboseComments) {
- this.verboseComments = newVerboseComments;
- }
-}