From 02b4df144e612928d88c55cee07d6de4cfbcf68d Mon Sep 17 00:00:00 2001
From: runem <runem@DESKTOP-OVERHAUL>
Date: Sun, 12 Sep 2021 23:56:36 -0700
Subject: [PATCH] Homework 3: a space battle between two craft using DIS
 example template.

---
 .../ExampleSimulationProgramReynolds.java     | 528 ++++++++++++++++++
 1 file changed, 528 insertions(+)
 create mode 100644 assignments/src/MV3500Cohort2021JulySeptember/homework3/Reynolds/ExampleSimulationProgramReynolds.java

diff --git a/assignments/src/MV3500Cohort2021JulySeptember/homework3/Reynolds/ExampleSimulationProgramReynolds.java b/assignments/src/MV3500Cohort2021JulySeptember/homework3/Reynolds/ExampleSimulationProgramReynolds.java
new file mode 100644
index 0000000000..163923a330
--- /dev/null
+++ b/assignments/src/MV3500Cohort2021JulySeptember/homework3/Reynolds/ExampleSimulationProgramReynolds.java
@@ -0,0 +1,528 @@
+/**
+ * Copyright (c) 2008-2021, 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
+ *
+ * This Program is a modified version of ExampleSimulationProgram in order to see the
+ * verbose plain text pdu log. This simulates a firewall identifying a malicious packet
+ * and tracing its source before destroying it - updated September 12, 2021 to ensure
+ * correct file pushed to Gitlab.
+ *
+ * @author snapp
+ */
+package MV3500Cohort2021JulySeptember.homework3.Reynolds;
+
+import edu.nps.moves.dis7.enumerations.*; // match any
+import edu.nps.moves.dis7.pdus.*;         // match any of the PDU classes, easier than listing individually
+import edu.nps.moves.dis7.utilities.DisThreadedNetworkInterface;
+import edu.nps.moves.dis7.utilities.PduFactory;
+import edu.nps.moves.dis7.utilities.stream.PduRecorder;
+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 ExampleSimulationProgramReynolds {
+
+    private boolean verboseComments = true;
+    static final String NETWORK_ADDRESS_DEFAULT = "239.1.2.3";
+    static final int NETWORK_PORT_DEFAULT = 3000;
+    static String networkAddress = NETWORK_ADDRESS_DEFAULT;
+    static int networkPort = NETWORK_PORT_DEFAULT;
+    String DEFAULT_OUTPUT_DIRECTORY = "./pduLog";
+
+    private EntityID createFriendSpaceCraft() {
+        EntityID FNSPaceCraftID = new EntityID(); // 1.1.225.1.1.1 Platform,Cyber,USA,FireWall
+        FNSPaceCraftID.setSiteID(1);
+        FNSPaceCraftID.setApplicationID(1);
+        FNSPaceCraftID.setEntityID(1);
+        return FNSPaceCraftID;
+    }
+
+    private EntityType createFriendSpaceCraftType() {
+        EntityType FNSpaceCraftType = new EntityType();
+        FNSpaceCraftType.setEntityKind(EntityKind.PLATFORM);
+        FNSpaceCraftType.setDomain(Domain.inst(PlatformDomain.SPACE));
+        FNSpaceCraftType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+        FNSpaceCraftType.setCategory(3);
+        FNSpaceCraftType.setSubCategory(1);
+        FNSpaceCraftType.setSpecific(1);
+        return FNSpaceCraftType;
+    }
+
+    private EntityID createHostileSpaceCraft() {
+        EntityID HHostileSpaceCraftID = new EntityID(); // 1.1.45.1.7.1 Platform,Cyber,China,MaliciousPacket
+        HHostileSpaceCraftID.setSiteID(2);
+        HHostileSpaceCraftID.setApplicationID(2);
+        HHostileSpaceCraftID.setEntityID(2);
+        return HHostileSpaceCraftID;
+    }
+
+    private EntityType createHostileSpaceCraftType() {
+        EntityType HostileSpaceCraftType = new EntityType();
+        HostileSpaceCraftType.setEntityKind(EntityKind.PLATFORM);
+        HostileSpaceCraftType.setDomain(Domain.inst(PlatformDomain.SPACE));
+        HostileSpaceCraftType.setCountry(Country.RUSSIA_RUS);
+        HostileSpaceCraftType.setCategory(3);
+        HostileSpaceCraftType.setSubCategory(1);
+        HostileSpaceCraftType.setSpecific(1);
+        return HostileSpaceCraftType;
+    }
+
+    private MunitionDescriptor createPulseTorpedo() {
+
+        EntityType PulseTorpedoType = new EntityType(); //2.2.225.2.13.1
+        PulseTorpedoType.setEntityKind(EntityKind.MUNITION);
+        PulseTorpedoType.setDomain(Domain.inst(PlatformDomain.SPACE));
+        PulseTorpedoType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA);
+        PulseTorpedoType.setCategory(1);
+        PulseTorpedoType.setSubCategory(3);
+        PulseTorpedoType.setSpecific(1);
+        MunitionDescriptor PulseTorpedo = new MunitionDescriptor();
+        PulseTorpedo.setMunitionType(PulseTorpedoType);
+        PulseTorpedo.setQuantity(1000);
+        PulseTorpedo.setFuse(MunitionDescriptorFuse.CONTACT);
+        PulseTorpedo.setRate(200);
+        return PulseTorpedo;
+    }
+
+    /**
+     * This runSimulationLoops() method is for you, a programmer-modifiable
+     * method for defining and running a new simulation of interest. Welcome!
+     * Other parts of this program handle bookkeeping and plumbing tasks so that
+     * you can focus on your model entities and activities. Expandable support
+     * includes 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 DIS simulationists to use and adapt. All of the other methods are
+     * setup, teardown and configuration that you may find interesting, even
+     * helpful, but don't really have to worry about.
+     */
+    @SuppressWarnings("SleepWhileInLoop") // yes we do that
+    public void runSimulationLoops() {
+        try {
+            /**
+             * seconds for real-time execution (not simulation time, which may
+             * or may not be the same)
+             */
+            final double SIMULATION_LOOP_DURATION_SECONDS = 1.0;
+            final int SIMULATION_MAX_LOOP_COUNT = 10; // be deliberate out out there!  also avoid infinite loops.
+            int simulationLoopCount = 0;        // variable, initialized at 0
+            boolean simulationComplete = false;     // sentinel variable as termination condition,, are we done yet?
+            boolean fireBool = false;
+            boolean destBool = false;
+            int TorpedoDamageRecieved = 0;
+
+            // TODO reset clock to zero each time for consistent outputs
+            // Your model setup: define participants.  who's who in this zoo?
+            // Assuming you keep track of entity objects...  here is some support for for Entity 1.
+            // create PDU object for US Firewall and set its values.
+            EntityStatePdu entityStatePdu_1 = pduFactory.makeEntityStatePdu();
+            entityStatePdu_1.setEntityID(createFriendSpaceCraft());
+            entityStatePdu_1.setEntityType(createFriendSpaceCraftType());
+            entityStatePdu_1.getEntityLocation().setX(-10);
+            entityStatePdu_1.setForceId(ForceID.FRIENDLY);
+
+            // TODO someday, use enumerations; is there a unique site triplet for MOVES Institute?
+            // create PDU object for Malware Packet and set its values.
+            EntityStatePdu entityStatePdu_2 = pduFactory.makeEntityStatePdu();
+            entityStatePdu_2.setEntityID(createHostileSpaceCraft());
+            entityStatePdu_2.setEntityType(createHostileSpaceCraftType());
+            entityStatePdu_2.getEntityLocation().setX(10);
+            entityStatePdu_2.setForceId(ForceID.OPPOSING);
+
+            
+
+            FirePdu firePdu = pduFactory.makeFirePdu(); // for entity 1 first  weapon (possible traceroute)
+            // should we customize this munition?  what is it for your simulation?
+            EntityID fireID = new EntityID();
+            fireID.setSiteID(1);
+            fireID.setApplicationID(1);
+            fireID.setEntityID(1);
+            EntityID targetID = new EntityID();
+            targetID.setSiteID(2);
+            targetID.setApplicationID(2);
+            targetID.setEntityID(2);
+
+            firePdu.setFiringEntityID(fireID);
+            firePdu.setTargetEntityID(targetID);
+
+            firePdu.setDescriptor(createPulseTorpedo()); // calling create PulseTorpedo Method
+
+            EntityID TracerouteID = new EntityID();
+            TracerouteID.setEntityID(1);
+            firePdu.setMunitionExpendibleID(TracerouteID);
+
+            CommentReliablePdu HostileSpaceCraftDestroyedComment = pduFactory.makeCommentReliablePdu("Malware Packet DESTROYED BY Firewall");
+            CommentReliablePdu HostileSpaceCraftDetectedComment = pduFactory.makeCommentReliablePdu("Firewall Detects Malware engage Traceroute");
+
+            // TODO simulation management PDUs for startup, planning to design special class support
+            //DetonationPdu detonationPdu = pduFactory.makeDetonationPdu();
+            //detonationPdu.setDescriptor(pDescriptor);
+            // loop the simulation while allowed, programmer can set additional conditions to break out and finish
+            while (simulationLoopCount < SIMULATION_MAX_LOOP_COUNT) // are we done yet?
+            {
+                simulationLoopCount++; // good practice: increment loop counter as first action in that loop
+
+                // =============================================================================================
+                // * 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; this sample only changes X position.
+                entityStatePdu_1.getEntityLocation().setX(entityStatePdu_1.getEntityLocation().getX() + 1.0); // stationary defensive posture
+                entityStatePdu_2.getEntityLocation().setX(entityStatePdu_2.getEntityLocation().getX() - 1.0); // 1m per timestep
+
+                // decide whether to fire, and then update the firePdu.  Hmmm, you might want a target to shoot at!
+                Double range = entityStatePdu_2.getEntityLocation().getX();
+                System.out.println("range: " + range + " clicks from friendly assets!");
+
+                if (range <= 5) { // Range 5
+                    if (!fireBool) {
+                        sendSinglePdu(HostileSpaceCraftDetectedComment);
+                        // Inform the user of the detection
+                        System.out.println("Friendly SpaceCraft Detects Hostile SpaceCraft from " 
+                                + entityStatePdu_2.getEntityType().getCountry()
+                                + "... Engaging with Pulse Torpedo's");
+                    }
+                    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()
+                            + " from " + entityStatePdu_2.getEntityType().getCountry());
+
+                    if (firePdu.getTargetEntityID().getEntityID() == 6666) {
+                        TorpedoDamageRecieved += 1;
+                        if (TorpedoDamageRecieved > 1) {
+                            // The Firewall destroys the MalPacket
+
+                            System.out.println("Hostile SpaceCraft DESTROYED BY Friendly SpaceCraft after "
+                                    + TorpedoDamageRecieved
+                                    + "direct hits from the Pulse Torpedo's.");
+                            narrativeMessage4 = "Destroyed Hostile SpaceCraft";
+                            destBool = true;
+                            simulationComplete = true;
+
+                        }
+                    }
+                }
+                // etc. etc. your code goes here for your simulation of interest
+
+                // something happens between my simulation entities, la de da de da...
+                System.out.println("... Scanning for Engagements...");
+
+                // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending)
+                narrativeMessage1 = "MV3500 ExampleSimulationProgramReynolds";
+                narrativeMessage2 = "runSimulation() loop " + simulationLoopCount;
+                narrativeMessage3 = "verified PDUs for simulation!"; // intentionally blank for testing
+
+                // your loop termination condition goes here
+                if (simulationLoopCount > 4) // for example
+                {
+                    simulationComplete = true;
+                }
+                // =============================================================================================
+                // * your own simulation code is finished here! *
+                // =============================================================================================
+
+                // staying synchronized with 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) (SIMULATION_LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds
+                System.out.println("... [Pausing for " + SIMULATION_LOOP_DURATION_SECONDS + " seconds] \n");
+
+                // OK now send the status PDUs for this loop, and then continue
+                System.out.println("sending PDUs for simulation step " + simulationLoopCount + ", monitor loopback to confirm sent");
+                sendAllPdusForLoopTimestep(
+                        entityStatePdu_1,
+                        firePdu,
+                        timeStepComment,
+                        narrativeMessage1,
+                        narrativeMessage2,
+                        narrativeMessage3
+                );
+                sendSinglePdu(entityStatePdu_2); // me too i.e. 2!
+                System.out.println("... [PDUs successfully sent for this loop] \n");
+
+                // ===============================
+                // loop now finished, check whether to terminate if simulation complete, otherwise continue
+                if (simulationComplete || (simulationLoopCount > 10000)) // for example; including fail-safe condition is good
+                {
+                    //sendSinglePdu(detonationPdu);
+                    System.out.println("... [Termination condition met, simulationComplete = " + simulationComplete + "]"); // ", final loopCount=" + loopCount + 
+                    break;
+                }
+            }   // end of simulation loop
+
+            narrativeMessage2 = "runSimulation() completed successfully"; // all done
+            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(ExampleSimulationProgramReynolds.class.getName()).log(Level.SEVERE, null, iex);
+        }
+    }
+    /* **************************** infrastructure code, modification is seldom needed ************************* */
+
+    String narrativeMessage1 = new String();
+    String narrativeMessage2 = new String();
+    String narrativeMessage3 = new String();
+    String narrativeMessage4 = new String();
+
+    /* VariableRecordType enumerations have potential use with CommentPdu logs */
+ /* TODO contrast to EntityType */
+    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 = "[" + ExampleSimulationProgramReynolds.class.getName() + "] ";
+
+    // class variables
+    PduFactory pduFactory = new PduFactory();
+    DisThreadedNetworkInterface disNetworkInterface;
+    DisThreadedNetworkInterface.PduListener pduListener;
+    Pdu receivedPdu;
+    PduRecorder pduRecorder;
+
+    /**
+     * Constructor design goal: additional built-in initialization conveniences
+     * can go here to keep student efforts focused on the runSimulation()
+     * method.
+     */
+    public ExampleSimulationProgramReynolds() {
+        // 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 ExampleSimulationProgramReynolds(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) {
+        ExampleSimulationProgramReynolds.networkAddress = newNetworkAddress;
+    }
+
+    /**
+     * @return the networkPort
+     */
+    public int getNetworkPort() {
+        return networkPort;
+    }
+
+    /**
+     * @param newNetworkPort the networkPort to set
+     */
+    public final void setNetworkPort(int newNetworkPort) {
+        ExampleSimulationProgramReynolds.networkPort = newNetworkPort;
+    }
+
+    /**
+     * Initialize network interface, choosing best available network interface
+     */
+    public void setUpNetworkInterface() {
+        disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort());
+        disNetworkInterface.setDescriptor("ExampleSimulationProgramReynolds pdu looping");
+
+        System.out.println("Network confirmation:"
+                + " address=" + disNetworkInterface.getAddress()
+                + //  disNetworkInterface.getMulticastGroup() + 
+                " port=" + disNetworkInterface.getPort());   // + disNetworkInterface.getDisPort());
+        pduListener = new DisThreadedNetworkInterface.PduListener() {
+            /**
+             * Callback handler for listener
+             */
+            @Override
+            public void incomingPdu(Pdu newPdu) {
+                receivedPdu = newPdu;
+            }
+        };
+        disNetworkInterface.addListener(pduListener);
+
+        String outputDirectory = DEFAULT_OUTPUT_DIRECTORY;
+        System.out.println("Beginning pdu save to directory " + outputDirectory);
+        pduRecorder = new PduRecorder(outputDirectory, getNetworkAddress(), getNetworkPort()); // assumes save
+        pduRecorder.setDescriptor("ExampleSimulationProgramReynolds pduRecorder");
+        pduRecorder.start(); // begin running
+    }
+
+    /**
+     * All done, release network resources
+     */
+    public void tearDownNetworkInterface() {
+        pduRecorder.stop();
+
+        disNetworkInterface.removeListener(pduListener);
+
+        disNetworkInterface.close();
+//      disNetworkInterface.kill(); // renamed as close(), deprecated
+//      disNetworkInterface = null; // making sure no possibility of zombie process remaining...
+    }
+
+    /**
+     * 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 (String comment : comments) {
+                if (!comment.isEmpty()) {
+                    newCommentsList.add(comment); // 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...");
+
+        ExampleSimulationProgramReynolds thisProgram = new ExampleSimulationProgramReynolds(); // 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.runSimulationLoops(); // ... your simulation execution code goes in there ...
+
+        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;
+    }
+}
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