diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/Pdusave2.dislog b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/Pdusave2.dislog
new file mode 100644
index 0000000000000000000000000000000000000000..85e8b4b40c1717e16cab6e58d52587a007bfc8f1
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/Pdusave2.dislog
@@ -0,0 +1,7 @@
+!Begin!Beginning of DIS capture file, Pdusave2.dislog.
+AAAAAAAAAAA=,BwEBAewOIGsAAAAAAAEAAgADAAABAQDhAQEDAAAAAAAAAAAAQ0gAAD+peNXAFcKPwUSoEC8TT/vBUJugrw4+cEFM2aUo/skhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAADvaJpU=,BwEBAewglf8AAAAAAAEAAgADAAABAQDhAQEDAAAAAAAAAAAAQ0gAAD+peNXAFcKPwUSoEnaldoTBUJuf+ZkOXEFM2aUo/skhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAHemvso=,BwEBAewy2FEAAAAAAAEAAgADAAABAQDhAQEDAAAAAAAAAAAAQ0gAAD+peNXAFcKPwUSoEC8TT/vBUJugrw4+cEFM2aUo/skhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAALNyst8=,BwEBAexFH0sAAAAAAAEAAgADAAABAQDhAQEDAAAAAAAAAAAAQ0gAAD+peNXAFcKPwUSoEnaldoTBUJuf+ZkOXEFM2aUo/skhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+AAAAAO9xjwc=,BwEBAexXb5kAAAAAAAEAAgADAAABAQDhAQEDAAAAAAAAAAAAQ0gAAD+peNXAFcKPwUSoEC8TT/vBUJugrw4+cEFM2aUo/skhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+!End!End of DIS capture file, Pdusave2.dislog.
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttESPDUSender.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttESPDUSender.java
new file mode 100644
index 0000000000000000000000000000000000000000..7654f887144617eadde7f432252c00702cd9414f
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttESPDUSender.java
@@ -0,0 +1,347 @@
+/*
+ * 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 MV3500Cohort2019JulySeptember.homework4.Schutt;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.*;
+import edu.nps.moves.dis7.util.*;
+import edu.nps.moves.dis7.enumerations.Country;
+import edu.nps.moves.dis7.enumerations.EntityKind;
+import edu.nps.moves.dis7.enumerations.PlatformDomain;
+import java.nio.ByteBuffer;
+
+/**
+ * Creates and sends ESPDUs in IEEE binary format. Adapted from OpenDIS library
+ * example package edu.nps.moves.examples
+ *
+ * @author Don Brutzman
+ * @author Don Mcgregor
+ * Edited By Thomas Schutt
+ */
+public class SchuttESPDUSender {
+
+ public static final int NUMBER_TO_SEND = 5; // 5000
+
+ /**
+ * Default multicast group address we send on.
+ */
+ public static final String DEFAULT_MULTICAST_ADDRESS = "239.1.2.3";
+
+ /**
+ * Default multicast port used, matches Wireshark DIS capture default
+ */
+ public static final int DEFAULT_MULTICAST_PORT = 3002;
+
+ public enum NetworkMode {
+ UNICAST, MULTICAST, BROADCAST
+ };
+
+ /**
+ * Possible system properties, passed in via -Dattr=val networkMode:
+ * unicast, broadcast, multicast destinationIp: where to send the packet. If
+ * in multicast mode, this can be multicast. To determine broadcast
+ * destination IP, use an online broadcast address calculator, for example
+ * http://www.remotemonitoringsystems.ca/broadcast.php If in multicast mode,
+ * a join() will be done on the multicast address. port: port used for both
+ * source and destination.
+ *
+ * @param args
+ */
+ public static void main(String args[]) {
+ System.out.println("SchuttESPDUSender started...");
+
+ // Default settings. These are used if no system properties are set.
+ // If system properties are passed in, these are overridden later.
+ NetworkMode networkMode = NetworkMode.BROADCAST;
+ InetAddress address = null; // must be initialized, even if null
+ int port = DEFAULT_MULTICAST_PORT;
+ MulticastSocket socket = null; // must be initialized to avoid later error, even if null;
+ EntityStatePdu espdu = new EntityStatePdu();
+ DisTime disTime = new DisTime();
+
+ // Entity Location
+ double latitude = 36.595517;
+ double longitude = -121.877000;
+
+ //Target Location
+ double tarLat = 36.435345;
+ double tarLong = -121.54325;
+
+ try {
+ address = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+ } catch (UnknownHostException e) {
+ System.out.println(e + " Cannot create multicast address");
+ System.exit(0);
+ }
+
+ // All system properties, passed in on the command line via -Dattribute=value
+ Properties systemProperties = System.getProperties();
+
+ // IP address we send to
+ String destinationIpString = systemProperties.getProperty("destinationIp");
+
+ // Port we send to, and local port we open the socket on
+ String portString = systemProperties.getProperty("port");
+
+ // Network mode: unicast, multicast, broadcast
+ String networkModeString = systemProperties.getProperty("networkMode"); // unicast or multicast or broadcast
+
+ // Set up socket to send information
+ try {
+ if (portString != null) // Update port we send to, if provided
+ {
+ port = Integer.parseInt(portString);
+ }
+ socket = new MulticastSocket(port);
+
+ // Where we send packets to, the destination IP address
+ if (destinationIpString != null) {
+ address = InetAddress.getByName(destinationIpString);
+ }
+
+ // Type of transport: unicast, broadcast, or multicast
+ if (networkModeString != null) {
+ if (networkModeString.equalsIgnoreCase("unicast")) {
+ networkMode = NetworkMode.UNICAST;
+ } else if (networkModeString.equalsIgnoreCase("broadcast")) {
+ networkMode = NetworkMode.BROADCAST;
+ } else if (networkModeString.equalsIgnoreCase("multicast")) {
+ networkMode = NetworkMode.MULTICAST;
+ if (!address.isMulticastAddress()) {
+ throw new RuntimeException("*** Error: sending to multicast address, but destination address " + address.toString() + "is not multicast");
+ }
+ socket.joinGroup(address);
+ }
+ } // end networkModeString
+ } catch (IOException | RuntimeException e) {
+ System.out.println("Unable to initialize network correctly, exiting.");
+ System.out.println(e);
+ System.exit(-1); // outta here
+ }
+
+ // Initialize values in the Entity State PDU object. The exercise ID is
+ // a way to differentiate between different virtual worlds on one network.
+ // Note that some values (such as the PDU type and PDU family) are set
+ // automatically when you create the ESPDU.
+ espdu.setExerciseID((byte) 1); //(short) 1);
+
+ // The EID is the unique identifier for objects in the world. This
+ // EID should match up with the ID for the object specified in the
+ // VMRL/x3d/virtual world.
+ EntityID entityID = espdu.getEntityID(); // initialize, reset, override
+ // TODO check: 0 is apparently not a valid site number, per DIS specification
+ entityID.setSiteID((short) 1); // TODO utility method to allow int values
+ entityID.setApplicationID((short) 2);
+ entityID.setEntityID((short) 3);
+ espdu.setEntityID(entityID);
+
+ // Set the entity type. SISO has a big list of enumerations, so that by
+ // specifying various numbers we can say this is an M1A2 American tank,
+ // the USS Enterprise, and so on. We'll make this a tank. There is a
+ // separate project elsehwhere in this project that implements DIS
+ // enumerations in C++ and Java, but to keep things simple we just use
+ // numbers here.
+ // New way using entity jar(s)
+ espdu.setEntityType(new edu.nps.moves.dis7.entities.usa.platform.land.M1A2());
+
+ // Manual way:
+ /*
+ EntityType entityType = espdu.getEntityType();
+ entityType.setEntityKind(EntityKind.PLATFORM); //(short) 1); // Platform (vs lifeform, munition, sensor, etc.)
+ entityType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA); //225); // USA
+ entityType.setDomain(Domain.inst(PlatformDomain.LAND)); // Land (vs air, surface, subsurface, space)
+ entityType.setCategory((byte) 1); // Tank
+ entityType.setSubCategory((byte) 1); // M1 Abrams
+ entityType.setSpecific((byte) 3); // M1A2 Abrams
+ */
+ Set<InetAddress> broadcastAddresses;
+
+ try // Loop through sending N ESPDUs
+ {
+ System.out.println("Sending " + NUMBER_TO_SEND + " sets of packets:"); // + address.toString()
+
+ for (int index = 0; index < NUMBER_TO_SEND; index++) {
+ // DIS time is a pain in the uh, neck. DIS time units are 2^31-1 units per
+ // hour, and time is set to DIS time units from the top of the hour.
+ // This means that if you start sending just before the top of the hour
+ // the time units can roll over to zero as you are sending. The receivers
+ // (escpecially homegrown ones) are often not able to detect rollover
+ // and may start discarding packets as dupes or out of order. We use
+ // an NPS timestamp here, hundredths of a second since the start of the
+ // year. The DIS standard for time is often ignored in the wild; I've seen
+ // people use Unix time (seconds since 1970) and more. Or you can
+ // just stuff idx into the timestamp field to get something that is monotonically
+ // increasing.
+
+ // Note that timestamp is used to detect duplicate and out of order packets.
+ // That means if you DON'T change the timestamp, many implementations will simply
+ // discard subsequent packets that have an identical timestamp. Also, if they
+ // receive a PDU with an timestamp lower than the last one they received, they
+ // may discard it as an earlier, out-of-order PDU. So it is a good idea to
+ // update the timestamp on ALL packets sent.
+ // An alterative approach: actually follow the standard. It's a crazy concept,
+ // but it might just work.
+ int timestamp = disTime.getDisAbsoluteTimestamp();
+ espdu.setTimestamp(timestamp);
+
+ // Set the position of the entity in the world. DIS uses a cartesian
+ // coordinate system with the origin at the center of the earth, the x
+ // axis out at the equator and prime meridian, y out at the equator and
+ // 90 deg east, and z up and out the north pole. To place an object on
+ // the earth's surface you also need a model for the shape of the earth
+ // (it's not a sphere.) All the fancy math necessary to do this is in
+ // the SEDRIS SRM package. There are also some one-off formulas for
+ // doing conversions from, for example, lat/lon/altitude to DIS coordinates.
+ // Here we use those one-off formulas.
+ // Modify the position of the object. This will send the object a little
+ // due east by adding some to the longitude every iteration. Since we
+ // are on the Pacific coast, this sends the object east. Assume we are
+ // at zero altitude. In other worlds you'd use DTED to determine the
+ // local ground altitude at that lat/lon, or you'd just use ground clamping.
+ // The x and y values will change, but the z value should not.
+ //lon = lon + (double)((double)idx / 100000.0);
+ //System.out.println("lla=" + lat + "," + lon + ", 0.0");
+ double direction = Math.pow((double) (-1.0), (double) (index));
+ longitude = longitude + (direction * 0.00006);
+
+ double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(latitude, longitude, 1.0);
+ Vector3Double location = espdu.getEntityLocation();
+ location.setX(disCoordinates[0]);
+ location.setY(disCoordinates[1]);
+ location.setZ(disCoordinates[2]);
+ System.out.println("===============");
+ System.out.println("Create new PDUs");
+ System.out.println(" latitude, longitude: [" + latitude + ", " + longitude + "]");
+ System.out.println(" coordinate conversion: [" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2] + "]");
+ //Schutt Edit
+ Vector3Float espduVelocity = new Vector3Float();
+ espduVelocity.setX((float) 200.0);
+ espduVelocity.setY((float) 1.324);
+ espduVelocity.setZ((float) -2.34);
+ espdu.setEntityLinearVelocity(espduVelocity);
+ // End Schutt Edit
+
+
+ location = espdu.getEntityLocation();
+
+ System.out.println("Espdu #" + index + " entityID=[" + entityID.getSiteID() + "," + entityID.getApplicationID() + "," + entityID.getEntityID() + "]");
+ double c[] = {location.getX(), location.getY(), location.getZ()};
+ double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
+// System.out.println(" DIS entityLocation: [" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
+ String debugString = " Location (latitude/longitude/altitude): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]";
+// System.out.println(debugString);
+
+ // Optionally, we can do some rotation of the entity
+ /*
+ Orientation orientation = espdu.getEntityOrientation();
+ float psi = orientation.getPsi();
+ psi = psi + idx;
+ orientation.setPsi(psi);
+ orientation.setTheta((float)(orientation.getTheta() + idx /2.0));
+ */
+ // You can set other ESPDU values here, such as the velocity, acceleration,
+ // and so on.
+ // Marshal out the espdu object to a byte array, then send a datagram
+ // packet with that data in it.
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ DataOutputStream dos = new DataOutputStream(baos);
+ DatagramPacket packet;
+
+ // The byte array here is the packet in DIS format. We put that into a
+ // datagram and send it.
+ espdu.marshal(dos);
+ byte[] espduArray = baos.toByteArray();
+ //Schutt Edit
+ tarLong = tarLong + (direction * 0.00006);
+ double tarDisCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(tarLat, tarLong, 1.0);
+ Vector3Double tarLocation = new Vector3Double();
+ tarLocation.setX(tarDisCoordinates[0]);
+ tarLocation.setY(tarDisCoordinates[1]);
+ tarLocation.setZ(tarDisCoordinates[2]);
+
+ FirePdu firePdu = new FirePdu();
+
+ firePdu.setLocationInWorldCoordinates(tarLocation);
+ firePdu.setRange((float) 4000.0);
+ byte[] fireArray = firePdu.marshal();
+
+ broadcastAddresses = getBroadcastAddresses();
+ Iterator iterator = broadcastAddresses.iterator();
+ while (iterator.hasNext()) {
+ InetAddress broadcast = (InetAddress) iterator.next();
+ if (espduArray.length > 0) {
+ System.out.println("Sending espdu datagram packet to " + broadcast);
+ packet = new DatagramPacket(espduArray, espduArray.length, broadcast, port);
+ socket.send(packet);
+ }
+ // TODO experiment with these! 8)
+ if (fireArray.length > 0) {
+ System.out.println("Sending fire datagram packet to " + broadcast);
+ packet = new DatagramPacket(fireArray, fireArray.length, broadcast, port); // alternate
+ socket.send(packet);
+ }
+ }
+
+ // Send every 1 second within loop. Otherwise all this will be all over in a fraction of a second.
+ Thread.sleep(1000); // msec
+ }
+ } catch (Exception e) {
+ System.out.println("Problem with DisExamplesOpenDis7.EspduSender, see exception trace:");
+ System.out.println(e);
+ }
+ System.out.println("===============");
+ System.out.println("DisExamplesOpenDis7.EspduSender complete.");
+ }
+
+ /**
+ * A number of sites get all snippy about using 255.255.255.255 for a
+ * broadcast address; it trips their security software and they kick you off
+ * their network. (Comcast, NPS, etc.) This determines the broadcast address
+ * for all connected interfaces, based on the IP and subnet mask. If you
+ * have a dual-homed host it will return a broadcast address for both. If
+ * you have some VMs running on your host this will pick up the addresses
+ * for those as well--e.g. running VMWare on your laptop with a local IP
+ * this will also pick up a 192.168 address assigned to the VM by the host
+ * OS.
+ *
+ * @return set of all broadcast addresses
+ */
+ public static Set<InetAddress> getBroadcastAddresses() {
+ Set<InetAddress> broadcastAddresses = new HashSet<>();
+ Enumeration interfaces;
+
+ try {
+ interfaces = NetworkInterface.getNetworkInterfaces();
+
+ while (interfaces.hasMoreElements()) {
+ NetworkInterface anInterface = (NetworkInterface) interfaces.nextElement();
+
+ if (anInterface.isUp()) {
+ Iterator iterator = anInterface.getInterfaceAddresses().iterator();
+ while (iterator.hasNext()) {
+ InterfaceAddress anAddress = (InterfaceAddress) iterator.next();
+ if ((anAddress == null || anAddress.getAddress().isLinkLocalAddress())) {
+ continue;
+ }
+
+ //System.out.println("Getting broadcast address for " + anAddress);
+ InetAddress broadcastAddress = anAddress.getBroadcast();
+ if (broadcastAddress != null) {
+ broadcastAddresses.add(broadcastAddress);
+ }
+ }
+ }
+ }
+ } catch (SocketException e) {
+ System.out.println("Problem with DisExamplesOpenDis7.EspduSender.getBroadcastAddresses(), see exception trace:");
+ System.out.println(e);
+ }
+ return broadcastAddresses;
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttEspduReceiver.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttEspduReceiver.java
new file mode 100644
index 0000000000000000000000000000000000000000..5beafd0129efaadf905f12d8a7bbab61fa304c7e
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttEspduReceiver.java
@@ -0,0 +1,99 @@
+package MV3500Cohort2019JulySeptember.homework4.Schutt;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.*;
+import edu.nps.moves.dis7.util.*;
+
+/**
+ * Receives PDUs from the network in IEEE DIS format.
+ * Adapted from OpenDIS library example package edu.nps.moves.examples
+ *
+ * @author DMcG
+ * @version $Id:$
+ * Edited by Thomas Schutt
+ */
+public class SchuttEspduReceiver
+{
+ /** 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 multicast group address we send on. */
+ public static final String DEFAULT_MULTICAST_ADDRESS = SchuttESPDUSender.DEFAULT_MULTICAST_ADDRESS;
+
+ /** Default multicast port used, matches Wireshark DIS capture default */
+ public static final int DEFAULT_MULTICAST_PORT = SchuttESPDUSender.DEFAULT_MULTICAST_PORT;
+
+ public static void main(String args[])
+ {
+ System.out.println("DisExamplesOpenDis7.EspduReceiver started...");
+
+ MulticastSocket socket;
+ DatagramPacket packet;
+ InetAddress address;
+ PduFactory pduFactory = new PduFactory();
+
+ try {
+ // Specify the socket to receive data
+ socket = new MulticastSocket(DEFAULT_MULTICAST_PORT);
+// socket.setBroadcast(true);
+
+ address = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+ socket.joinGroup(address);
+
+ while (true) // Loop infinitely, receiving datagrams
+ {
+ byte buffer[] = new byte[MAX_PDU_SIZE];
+ packet = new DatagramPacket(buffer, buffer.length);
+
+ socket.receive(packet);
+
+ List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData(),packet.getLength());
+ if (pduBundle.size() > 1)
+ System.out.println("Bundle size is " + pduBundle.size());
+ Iterator iterator = pduBundle.iterator();
+
+ while (iterator.hasNext())
+ {
+ Pdu aPdu = (Pdu)iterator.next();
+ String receiptMessage = "received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName();
+ if (aPdu instanceof EntityStatePdu)
+ {
+ System.out.println("===============");
+ System.out.println(receiptMessage);
+ EntityID entityID = ((EntityStatePdu)aPdu).getEntityID();
+ Vector3Double position = ((EntityStatePdu)aPdu).getEntityLocation();
+ Vector3Float velocity = ((EntityStatePdu)aPdu).getEntityLinearVelocity();
+ System.out.println(" entityID triplet: [" + entityID.getSiteID()+ ", " + entityID.getApplicationID()+ ", " + entityID.getEntityID()+ "] ");
+ System.out.println(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+ //Schutt Edit
+ System.out.println(" Velocity: [" + velocity.getX() + ", " + velocity.getY() + ", " + velocity.getZ() + "]");
+ }
+ else if (aPdu instanceof FirePdu)
+ {
+ System.out.println(receiptMessage);
+ Vector3Double position = ((FirePdu)aPdu).getLocationInWorldCoordinates();
+ float range = ((FirePdu)aPdu).getRange();
+ System.out.println(" FirePdu locationInWorldCoordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+ //Schutt Edit
+ System.out.println(" FirePdu Range: [" + range + "]");
+ }
+ else
+ {
+ System.out.println(receiptMessage);
+ }
+ } // end iterator loop through PDU bundle
+ } // end while
+ } // end try block
+ catch (IOException e)
+ {
+ System.out.println("Problem with DisExamplesOpenDis7.EspduReceiver, see exception trace:");
+ System.out.println(e);
+ }
+ System.out.println("DisExamplesOpenDis7.EspduReceiver complete.");
+ } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttPDUSaverListener.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttPDUSaverListener.java
new file mode 100644
index 0000000000000000000000000000000000000000..8b1471b700f24988f3f36168147d97001f34f53f
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Schutt/SchuttPDUSaverListener.java
@@ -0,0 +1,89 @@
+/*
+ * 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 MV3500Cohort2019JulySeptember.homework4.Schutt;
+import edu.nps.moves.dis7.util.playerrecorder.Recorder;
+import java.io.IOException;
+import java.util.Scanner;
+
+/**
+ * PduSaver.java created on Aug 21, 2019
+ * MOVES Institute Naval Postgraduate School, Monterey, CA, USA www.nps.edu
+ *
+ * @author Mike Bailey, jmbailey@nps.edu
+ * @version $Id$
+ */
+public class SchuttPDUSaverListener
+{
+ private final static String DEFAULT_OUTPUTDIR = "pduLog";
+ private final static String MCAST_ADDR = "239.1.2.3";
+ private final static int DIS_PORT = 3002;
+
+ private enum mystate
+ {
+ RUNNING,
+ PAUSED;
+ }
+
+ public static void main(String[] args)
+ {
+ String outDir = DEFAULT_OUTPUTDIR;
+ String mcast = MCAST_ADDR;
+ int port = DIS_PORT;
+
+ System.out.println("DisExamplesOpenDis7.PduListenerSaver started...");
+
+ switch (args.length) {
+ case 0:
+ break;
+ case 1:
+ outDir = args[0];
+ break;
+ case 3:
+ outDir = args[0];
+ mcast = args[1];
+ port = Integer.parseInt(args[2]);
+ break;
+ default:
+ System.err.println("Usage: PduListener() or PduListener(\"outputdir\") or PduListener(\"outputdir\",\"multicast address\", ipPort");
+ System.exit(1);
+ }
+
+ System.out.println("Beginning pdu save to directory " + outDir);
+ try {
+ Recorder recorder = new Recorder(outDir, mcast, port);
+
+ recorder.startResume();
+ mystate state = mystate.RUNNING;
+ System.out.println("* recorder.startResume(), state=RUNNING, recording in progress...");
+ Scanner scan = new Scanner(System.in);
+
+ while (true) {
+ System.out.println("Warning: you must quit when complete, otherwise recorded PDUs are lost!");
+ System.out.println("Type p/enter to pause, r/enter to resume, q/enter to stop recording, save and quit");
+ String line = scan.nextLine();
+ if (line.equalsIgnoreCase("p") && state == mystate.RUNNING) {
+ recorder.stopPause();
+ state = mystate.PAUSED;
+ System.out.println("* recorder.stopPause(), state=PAUSED, recording paused...");
+ }
+ else if (line.equalsIgnoreCase("r") && state == mystate.PAUSED) {
+ recorder.startResume();
+ state = mystate.RUNNING;
+ System.out.println("* recorder.startResume(), state=RUNNING, recording in progress...");
+ }
+ else if (line.equalsIgnoreCase("q")) {
+ recorder.end();
+ System.out.println("* recorder.end(), recording complete.");
+ break;
+ }
+ }
+ System.out.println("Ending pdu save to "+recorder.getLogFile());
+ }
+ catch (IOException ex) {
+ System.err.println("*** Exception: " + ex.getClass().getSimpleName() + ": " + ex.getLocalizedMessage());
+ }
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/PduListenerSaver.java b/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/PduListenerSaver.java
new file mode 100644
index 0000000000000000000000000000000000000000..63ff97e155704d705c99f4c52efb819bcb36e183
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/PduListenerSaver.java
@@ -0,0 +1,89 @@
+/**
+ * Copyright (c) 2008-2019, MOVES Institute, Naval Postgraduate School. All rights reserved.
+ * This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
+ */
+package MV3500Cohort2019JulySeptember.projects.SchuttFetterolf;
+
+import edu.nps.moves.dis7.util.playerrecorder.Recorder;
+import java.io.IOException;
+import java.util.Scanner;
+
+/**
+ * PduSaver.java created on Aug 21, 2019
+ * MOVES Institute Naval Postgraduate School, Monterey, CA, USA www.nps.edu
+ *
+ * @author Mike Bailey, jmbailey@nps.edu
+ * @version $Id$
+ */
+public class PduListenerSaver
+{
+ private final static String DEFAULT_OUTPUTDIR = "pduLog";
+ private final static String MCAST_ADDR = "239.1.2.3";
+ private final static int DIS_PORT = 3000;
+
+ private enum mystate
+ {
+ RUNNING,
+ PAUSED;
+ }
+
+ public static void main(String[] args)
+ {
+ String outDir = DEFAULT_OUTPUTDIR;
+ String mcast = MCAST_ADDR;
+ int port = DIS_PORT;
+
+ System.out.println("DisExamplesOpenDis7.PduListenerSaver started...");
+
+ switch (args.length) {
+ case 0:
+ break;
+ case 1:
+ outDir = args[0];
+ break;
+ case 3:
+ outDir = args[0];
+ mcast = args[1];
+ port = Integer.parseInt(args[2]);
+ break;
+ default:
+ System.err.println("Usage: PduListener() or PduListener(\"outputdir\") or PduListener(\"outputdir\",\"multicast address\", ipPort");
+ System.exit(1);
+ }
+
+ System.out.println("Beginning pdu save to directory " + outDir);
+ try {
+ Recorder recorder = new Recorder(outDir, mcast, port);
+
+ recorder.startResume();
+ mystate state = mystate.RUNNING;
+ System.out.println("* recorder.startResume(), state=RUNNING, recording in progress...");
+ Scanner scan = new Scanner(System.in);
+
+ while (true) {
+ System.out.println("Warning: you must quit when complete, otherwise recorded PDUs are lost!");
+ System.out.println("Type p/enter to pause, r/enter to resume, q/enter to stop recording, save and quit");
+ String line = scan.nextLine();
+ if (line.equalsIgnoreCase("p") && state == mystate.RUNNING) {
+ recorder.stopPause();
+ state = mystate.PAUSED;
+ System.out.println("* recorder.stopPause(), state=PAUSED, recording paused...");
+ }
+ else if (line.equalsIgnoreCase("r") && state == mystate.PAUSED) {
+ recorder.startResume();
+ state = mystate.RUNNING;
+ System.out.println("* recorder.startResume(), state=RUNNING, recording in progress...");
+ }
+ else if (line.equalsIgnoreCase("q")) {
+ recorder.end();
+ System.out.println("* recorder.end(), recording complete.");
+ break;
+ }
+ }
+ System.out.println("Ending pdu save to "+recorder.getLogFile());
+ }
+ catch (IOException ex) {
+ System.err.println("*** Exception: " + ex.getClass().getSimpleName() + ": " + ex.getLocalizedMessage());
+ }
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/S_F_FiringUnit.java b/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/S_F_FiringUnit.java
new file mode 100644
index 0000000000000000000000000000000000000000..95bb2b15ca7171d42362cd7d5a99a175c45da8a5
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/S_F_FiringUnit.java
@@ -0,0 +1,317 @@
+package MV3500Cohort2019JulySeptember.projects.SchuttFetterolf;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.util.CoordinateConversions;
+
+/**
+ * This is an example that sends many/most types of PDUs. Useful for testing standards
+ * compliance or getting a full set of PDUs. It also writes the generated PDUs to an XML file.
+ * Adapted from OpenDIS library example package edu.nps.moves.examples
+ *
+ * @author DMcG
+ * @version $Id:$
+ */
+public class S_F_FiringUnit
+{
+ public static final int NUMBER_TO_SEND = 5; // 5000
+
+ /**
+ * Default multicast group address we send on.
+ */
+ public static final String DEFAULT_MULTICAST_ADDRESS = "239.1.2.3";
+
+ /**
+ * Default multicast port used, matches Wireshark DIS capture default
+ */
+ public static final int DEFAULT_MULTICAST_PORT = 3000;
+
+ public enum NetworkMode {
+ UNICAST, MULTICAST, BROADCAST
+ };
+
+ /**
+ * Possible system properties, passed in via -Dattr=val networkMode:
+ * unicast, broadcast, multicast destinationIp: where to send the packet. If
+ * in multicast mode, this can be multicast. To determine broadcast
+ * destination IP, use an online broadcast address calculator, for example
+ * http://www.remotemonitoringsystems.ca/broadcast.php If in multicast mode,
+ * a join() will be done on the multicast address. port: port used for both
+ * source and destination.
+ *
+ * @param args
+ */
+ public static void main(String args[]) {
+ System.out.println("Firing Unit started...");
+
+ // Default settings. These are used if no system properties are set.
+ // If system properties are passed in, these are overridden later.
+ NetworkMode networkMode = NetworkMode.BROADCAST;
+ InetAddress address = null; // must be initialized, even if null
+ int port = DEFAULT_MULTICAST_PORT;
+ MulticastSocket socket = null; // must be initialized to avoid later error, even if null;
+ EntityStatePdu espdu = new EntityStatePdu();
+ DisTime disTime = new DisTime();
+
+ // Firing Unit Location
+ double latitude = 36.350100;
+ double longitude = -121.451000;
+ try {
+ address = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+ } catch (UnknownHostException e) {
+ System.out.println(e + " Cannot create multicast address");
+ System.exit(0);
+ }
+
+ // All system properties, passed in on the command line via -Dattribute=value
+ Properties systemProperties = System.getProperties();
+
+ // IP address we send to
+ String destinationIpString = systemProperties.getProperty("destinationIp");
+
+ // Port we send to, and local port we open the socket on
+ String portString = systemProperties.getProperty("port");
+
+ // Network mode: unicast, multicast, broadcast
+ String networkModeString = systemProperties.getProperty("networkMode"); // unicast or multicast or broadcast
+
+ // Set up socket to send information
+ try {
+ if (portString != null) // Update port we send to, if provided
+ {
+ port = Integer.parseInt(portString);
+ }
+ socket = new MulticastSocket(port);
+
+ // Where we send packets to, the destination IP address
+ if (destinationIpString != null) {
+ address = InetAddress.getByName(destinationIpString);
+ }
+
+ // Type of transport: unicast, broadcast, or multicast
+ if (networkModeString != null) {
+ if (networkModeString.equalsIgnoreCase("unicast")) {
+ networkMode = NetworkMode.UNICAST;
+ } else if (networkModeString.equalsIgnoreCase("broadcast")) {
+ networkMode = NetworkMode.BROADCAST;
+ } else if (networkModeString.equalsIgnoreCase("multicast")) {
+ networkMode = NetworkMode.MULTICAST;
+ if (!address.isMulticastAddress()) {
+ throw new RuntimeException("*** Error: sending to multicast address, but destination address " + address.toString() + "is not multicast");
+ }
+ socket.joinGroup(address);
+ }
+ } // end networkModeString
+ } catch (IOException | RuntimeException e) {
+ System.out.println("Unable to initialize network correctly, exiting.");
+ System.out.println(e);
+ System.exit(-1); // outta here
+ }
+
+ // Initialize values in the Entity State PDU object. The exercise ID is
+ // a way to differentiate between different virtual worlds on one network.
+ // Note that some values (such as the PDU type and PDU family) are set
+ // automatically when you create the ESPDU.
+ espdu.setExerciseID((byte) 1); //(short) 1);
+
+ // The EID is the unique identifier for objects in the world. This
+ // EID should match up with the ID for the object specified in the
+ // VMRL/x3d/virtual world.
+ EntityID entityID = espdu.getEntityID(); // initialize, reset, override
+ // TODO check: 0 is apparently not a valid site number, per DIS specification
+ entityID.setSiteID((short) 1); // TODO utility method to allow int values
+ entityID.setApplicationID((short) 2);
+ entityID.setEntityID((short) 3);
+ espdu.setEntityID(entityID);
+
+ // Set the entity type. SISO has a big list of enumerations, so that by
+ // specifying various numbers we can say this is an M1A2 American tank,
+ // the USS Enterprise, and so on. We'll make this a tank. There is a
+ // separate project elsehwhere in this project that implements DIS
+ // enumerations in C++ and Java, but to keep things simple we just use
+ // numbers here.
+ // New way using entity jar(s)
+ espdu.setEntityType(new edu.nps.moves.dis7.entities.usa.platform.land.M119105_mmlightHowitzer());
+
+ // Manual way:
+ /*
+ EntityType entityType = espdu.getEntityType();
+ entityType.setEntityKind(EntityKind.PLATFORM); //(short) 1); // Platform (vs lifeform, munition, sensor, etc.)
+ entityType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA); //225); // USA
+ entityType.setDomain(Domain.inst(PlatformDomain.LAND)); // Land (vs air, surface, subsurface, space)
+ entityType.setCategory((byte) 1); // Tank
+ entityType.setSubCategory((byte) 1); // M1 Abrams
+ entityType.setSpecific((byte) 3); // M1A2 Abrams
+ */
+ Set<InetAddress> broadcastAddresses;
+
+ try // Loop through sending N ESPDUs
+ {
+ System.out.println("Sending " + NUMBER_TO_SEND + " sets of packets:"); // + address.toString()
+
+ for (int index = 0; index < NUMBER_TO_SEND; index++) {
+ // DIS time is a pain in the uh, neck. DIS time units are 2^31-1 units per
+ // hour, and time is set to DIS time units from the top of the hour.
+ // This means that if you start sending just before the top of the hour
+ // the time units can roll over to zero as you are sending. The receivers
+ // (escpecially homegrown ones) are often not able to detect rollover
+ // and may start discarding packets as dupes or out of order. We use
+ // an NPS timestamp here, hundredths of a second since the start of the
+ // year. The DIS standard for time is often ignored in the wild; I've seen
+ // people use Unix time (seconds since 1970) and more. Or you can
+ // just stuff idx into the timestamp field to get something that is monotonically
+ // increasing.
+
+ // Note that timestamp is used to detect duplicate and out of order packets.
+ // That means if you DON'T change the timestamp, many implementations will simply
+ // discard subsequent packets that have an identical timestamp. Also, if they
+ // receive a PDU with an timestamp lower than the last one they received, they
+ // may discard it as an earlier, out-of-order PDU. So it is a good idea to
+ // update the timestamp on ALL packets sent.
+ // An alterative approach: actually follow the standard. It's a crazy concept,
+ // but it might just work.
+ int timestamp = disTime.getDisAbsoluteTimestamp();
+ espdu.setTimestamp(timestamp);
+
+ // Set the position of the entity in the world. DIS uses a cartesian
+ // coordinate system with the origin at the center of the earth, the x
+ // axis out at the equator and prime meridian, y out at the equator and
+ // 90 deg east, and z up and out the north pole. To place an object on
+ // the earth's surface you also need a model for the shape of the earth
+ // (it's not a sphere.) All the fancy math necessary to do this is in
+ // the SEDRIS SRM package. There are also some one-off formulas for
+ // doing conversions from, for example, lat/lon/altitude to DIS coordinates.
+ // Here we use those one-off formulas.
+ // Modify the position of the object. This will send the object a little
+ // due east by adding some to the longitude every iteration. Since we
+ // are on the Pacific coast, this sends the object east. Assume we are
+ // at zero altitude. In other worlds you'd use DTED to determine the
+ // local ground altitude at that lat/lon, or you'd just use ground clamping.
+ // The x and y values will change, but the z value should not.
+ //lon = lon + (double)((double)idx / 100000.0);
+ //System.out.println("lla=" + lat + "," + lon + ", 0.0");
+ double direction = Math.pow((double) (-1.0), (double) (index));
+ longitude = longitude + (direction * 0.00006);
+
+ double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(latitude, longitude, 1.0);
+ Vector3Double location = espdu.getEntityLocation();
+ location.setX(disCoordinates[0]);
+ location.setY(disCoordinates[1]);
+ location.setZ(disCoordinates[2]);
+ System.out.println("===============");
+ System.out.println("Create new PDUs");
+ System.out.println(" latitude, longitude: [" + latitude + ", " + longitude + "]");
+ System.out.println(" coordinate conversion: [" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2] + "]");
+
+ location = espdu.getEntityLocation();
+
+ System.out.println("Espdu #" + index + " entityID=[" + entityID.getSiteID() + "," + entityID.getApplicationID() + "," + entityID.getEntityID() + "]");
+ double c[] = {location.getX(), location.getY(), location.getZ()};
+ double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
+// System.out.println(" DIS entityLocation: [" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
+ String debugString = " Location (latitude/longitude/altitude): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]";
+// System.out.println(debugString);
+
+ // Optionally, we can do some rotation of the entity
+ /*
+ Orientation orientation = espdu.getEntityOrientation();
+ float psi = orientation.getPsi();
+ psi = psi + idx;
+ orientation.setPsi(psi);
+ orientation.setTheta((float)(orientation.getTheta() + idx /2.0));
+ */
+ // You can set other ESPDU values here, such as the velocity, acceleration,
+ // and so on.
+ // Marshal out the espdu object to a byte array, then send a datagram
+ // packet with that data in it.
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ DataOutputStream dos = new DataOutputStream(baos);
+ DatagramPacket packet;
+
+ // The byte array here is the packet in DIS format. We put that into a
+ // datagram and send it.
+ espdu.marshal(dos);
+ byte[] espduArray = baos.toByteArray();
+
+ FirePdu firePdu = new FirePdu();
+ firePdu.setLocationInWorldCoordinates(espdu.getEntityLocation());
+ byte[] fireArray = firePdu.marshal();
+
+ broadcastAddresses = getBroadcastAddresses();
+ Iterator iterator = broadcastAddresses.iterator();
+ while (iterator.hasNext()) {
+ InetAddress broadcast = (InetAddress) iterator.next();
+ if (espduArray.length > 0) {
+ System.out.println("Sending espdu datagram packet to " + broadcast);
+ packet = new DatagramPacket(espduArray, espduArray.length, broadcast, port);
+ socket.send(packet);
+ }
+ // TODO experiment with these! 8)
+ if (fireArray.length > 0) {
+ System.out.println("Sending fire datagram packet to " + broadcast);
+ packet = new DatagramPacket(fireArray, fireArray.length, broadcast, port); // alternate
+ socket.send(packet);
+ }
+ }
+
+ // Send every 1 second within loop. Otherwise all this will be all over in a fraction of a second.
+ Thread.sleep(1000); // msec
+ }
+ } catch (Exception e) {
+ System.out.println("Problem with DisExamplesOpenDis7.EspduSender, see exception trace:");
+ System.out.println(e);
+ }
+ System.out.println("===============");
+ System.out.println("DisExamplesOpenDis7.EspduSender complete.");
+ }
+
+ /**
+ * A number of sites get all snippy about using 255.255.255.255 for a
+ * broadcast address; it trips their security software and they kick you off
+ * their network. (Comcast, NPS, etc.) This determines the broadcast address
+ * for all connected interfaces, based on the IP and subnet mask. If you
+ * have a dual-homed host it will return a broadcast address for both. If
+ * you have some VMs running on your host this will pick up the addresses
+ * for those as well--e.g. running VMWare on your laptop with a local IP
+ * this will also pick up a 192.168 address assigned to the VM by the host
+ * OS.
+ *
+ * @return set of all broadcast addresses
+ */
+ public static Set<InetAddress> getBroadcastAddresses() {
+ Set<InetAddress> broadcastAddresses = new HashSet<>();
+ Enumeration interfaces;
+
+ try {
+ interfaces = NetworkInterface.getNetworkInterfaces();
+
+ while (interfaces.hasMoreElements()) {
+ NetworkInterface anInterface = (NetworkInterface) interfaces.nextElement();
+
+ if (anInterface.isUp()) {
+ Iterator iterator = anInterface.getInterfaceAddresses().iterator();
+ while (iterator.hasNext()) {
+ InterfaceAddress anAddress = (InterfaceAddress) iterator.next();
+ if ((anAddress == null || anAddress.getAddress().isLinkLocalAddress())) {
+ continue;
+ }
+
+ //System.out.println("Getting broadcast address for " + anAddress);
+ InetAddress broadcastAddress = anAddress.getBroadcast();
+ if (broadcastAddress != null) {
+ broadcastAddresses.add(broadcastAddress);
+ }
+ }
+ }
+ }
+ } catch (SocketException e) {
+ System.out.println("Problem with DisExamplesOpenDis7.EspduSender.getBroadcastAddresses(), see exception trace:");
+ System.out.println(e);
+ }
+ return broadcastAddresses;
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/S_F_RequestingUnit.java b/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/S_F_RequestingUnit.java
new file mode 100644
index 0000000000000000000000000000000000000000..2fd0ee8f748917773e58e77d6ae233e123b58342
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/projects/SchuttFetterolf/S_F_RequestingUnit.java
@@ -0,0 +1,325 @@
+package MV3500Cohort2019JulySeptember.projects.SchuttFetterolf;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.*;
+import edu.nps.moves.dis7.enumerations.*;
+import edu.nps.moves.dis7.util.CoordinateConversions;
+
+/**
+ * This is an example that sends many/most types of PDUs. Useful for testing standards
+ * compliance or getting a full set of PDUs. It also writes the generated PDUs to an XML file.
+ * Adapted from OpenDIS library example package edu.nps.moves.examples
+ *
+ * @author DMcG
+ * @version $Id:$
+ */
+public class S_F_RequestingUnit
+{
+ public static final int NUMBER_TO_SEND = 5; // 5000
+
+ /**
+ * Default multicast group address we send on.
+ */
+ public static final String DEFAULT_MULTICAST_ADDRESS = "239.1.2.3";
+
+ /**
+ * Default multicast port used, matches Wireshark DIS capture default
+ */
+ public static final int DEFAULT_MULTICAST_PORT = 3000;
+
+ public enum NetworkMode {
+ UNICAST, MULTICAST, BROADCAST
+ };
+
+ /**
+ * Possible system properties, passed in via -Dattr=val networkMode:
+ * unicast, broadcast, multicast destinationIp: where to send the packet. If
+ * in multicast mode, this can be multicast. To determine broadcast
+ * destination IP, use an online broadcast address calculator, for example
+ * http://www.remotemonitoringsystems.ca/broadcast.php If in multicast mode,
+ * a join() will be done on the multicast address. port: port used for both
+ * source and destination.
+ *
+ * @param args
+ */
+ public static void main(String args[]) {
+ System.out.println("Requesting Unit started...");
+
+ // Default settings. These are used if no system properties are set.
+ // If system properties are passed in, these are overridden later.
+ NetworkMode networkMode = NetworkMode.BROADCAST;
+ InetAddress address = null; // must be initialized, even if null
+ int port = DEFAULT_MULTICAST_PORT;
+ MulticastSocket socket = null; // must be initialized to avoid later error, even if null;
+ EntityStatePdu espdu = new EntityStatePdu();
+ DisTime disTime = new DisTime();
+
+ // Requesting Unit Location
+ double latitude = 36.372000;
+ double longitude = -121.503200;
+
+ // Target Location
+ double tarLat = 36.371600;
+ double tarLon = -121.150300;
+
+ EventReportPdu actionReq = new edu.nps.moves.dis7.EventReportPdu();
+ actionReq.setEventType(EventReportEventType.REQUEST_FOR_INDIRECT_FIRE_OR_CAS_MISSION);
+
+ try {
+ address = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
+ } catch (UnknownHostException e) {
+ System.out.println(e + " Cannot create multicast address");
+ System.exit(0);
+ }
+
+ // All system properties, passed in on the command line via -Dattribute=value
+ Properties systemProperties = System.getProperties();
+
+ // IP address we send to
+ String destinationIpString = systemProperties.getProperty("destinationIp");
+
+ // Port we send to, and local port we open the socket on
+ String portString = systemProperties.getProperty("port");
+
+ // Network mode: unicast, multicast, broadcast
+ String networkModeString = systemProperties.getProperty("networkMode"); // unicast or multicast or broadcast
+
+ // Set up socket to send information
+ try {
+ if (portString != null) // Update port we send to, if provided
+ {
+ port = Integer.parseInt(portString);
+ }
+ socket = new MulticastSocket(port);
+
+ // Where we send packets to, the destination IP address
+ if (destinationIpString != null) {
+ address = InetAddress.getByName(destinationIpString);
+ }
+
+ // Type of transport: unicast, broadcast, or multicast
+ if (networkModeString != null) {
+ if (networkModeString.equalsIgnoreCase("unicast")) {
+ networkMode = NetworkMode.UNICAST;
+ } else if (networkModeString.equalsIgnoreCase("broadcast")) {
+ networkMode = NetworkMode.BROADCAST;
+ } else if (networkModeString.equalsIgnoreCase("multicast")) {
+ networkMode = NetworkMode.MULTICAST;
+ if (!address.isMulticastAddress()) {
+ throw new RuntimeException("*** Error: sending to multicast address, but destination address " + address.toString() + "is not multicast");
+ }
+ socket.joinGroup(address);
+ }
+ } // end networkModeString
+ } catch (IOException | RuntimeException e) {
+ System.out.println("Unable to initialize network correctly, exiting.");
+ System.out.println(e);
+ System.exit(-1); // outta here
+ }
+
+ // Initialize values in the Entity State PDU object. The exercise ID is
+ // a way to differentiate between different virtual worlds on one network.
+ // Note that some values (such as the PDU type and PDU family) are set
+ // automatically when you create the ESPDU.
+ espdu.setExerciseID((byte) 1); //(short) 1);
+
+ // The EID is the unique identifier for objects in the world. This
+ // EID should match up with the ID for the object specified in the
+ // VMRL/x3d/virtual world.
+ EntityID entityID = espdu.getEntityID(); // initialize, reset, override
+ // TODO check: 0 is apparently not a valid site number, per DIS specification
+ entityID.setSiteID((short) 1); // TODO utility method to allow int values
+ entityID.setApplicationID((short) 2);
+ entityID.setEntityID((short) 3);
+ espdu.setEntityID(entityID);
+
+ // Set the entity type. SISO has a big list of enumerations, so that by
+ // specifying various numbers we can say this is an M1A2 American tank,
+ // the USS Enterprise, and so on. We'll make this a tank. There is a
+ // separate project elsehwhere in this project that implements DIS
+ // enumerations in C++ and Java, but to keep things simple we just use
+ // numbers here.
+ // New way using entity jar(s)
+ espdu.setEntityType(new edu.nps.moves.dis7.entities.usa.platform.land.M1A2());
+
+ // Manual way:
+ /*
+ EntityType entityType = espdu.getEntityType();
+ entityType.setEntityKind(EntityKind.PLATFORM); //(short) 1); // Platform (vs lifeform, munition, sensor, etc.)
+ entityType.setCountry(Country.UNITED_STATES_OF_AMERICA_USA); //225); // USA
+ entityType.setDomain(Domain.inst(PlatformDomain.LAND)); // Land (vs air, surface, subsurface, space)
+ entityType.setCategory((byte) 1); // Tank
+ entityType.setSubCategory((byte) 1); // M1 Abrams
+ entityType.setSpecific((byte) 3); // M1A2 Abrams
+ */
+ Set<InetAddress> broadcastAddresses;
+
+ try // Loop through sending N ESPDUs
+ {
+ System.out.println("Sending " + NUMBER_TO_SEND + " sets of packets:"); // + address.toString()
+
+ for (int index = 0; index < NUMBER_TO_SEND; index++) {
+ // DIS time is a pain in the uh, neck. DIS time units are 2^31-1 units per
+ // hour, and time is set to DIS time units from the top of the hour.
+ // This means that if you start sending just before the top of the hour
+ // the time units can roll over to zero as you are sending. The receivers
+ // (escpecially homegrown ones) are often not able to detect rollover
+ // and may start discarding packets as dupes or out of order. We use
+ // an NPS timestamp here, hundredths of a second since the start of the
+ // year. The DIS standard for time is often ignored in the wild; I've seen
+ // people use Unix time (seconds since 1970) and more. Or you can
+ // just stuff idx into the timestamp field to get something that is monotonically
+ // increasing.
+
+ // Note that timestamp is used to detect duplicate and out of order packets.
+ // That means if you DON'T change the timestamp, many implementations will simply
+ // discard subsequent packets that have an identical timestamp. Also, if they
+ // receive a PDU with an timestamp lower than the last one they received, they
+ // may discard it as an earlier, out-of-order PDU. So it is a good idea to
+ // update the timestamp on ALL packets sent.
+ // An alterative approach: actually follow the standard. It's a crazy concept,
+ // but it might just work.
+ int timestamp = disTime.getDisAbsoluteTimestamp();
+ espdu.setTimestamp(timestamp);
+
+ // Set the position of the entity in the world. DIS uses a cartesian
+ // coordinate system with the origin at the center of the earth, the x
+ // axis out at the equator and prime meridian, y out at the equator and
+ // 90 deg east, and z up and out the north pole. To place an object on
+ // the earth's surface you also need a model for the shape of the earth
+ // (it's not a sphere.) All the fancy math necessary to do this is in
+ // the SEDRIS SRM package. There are also some one-off formulas for
+ // doing conversions from, for example, lat/lon/altitude to DIS coordinates.
+ // Here we use those one-off formulas.
+ // Modify the position of the object. This will send the object a little
+ // due east by adding some to the longitude every iteration. Since we
+ // are on the Pacific coast, this sends the object east. Assume we are
+ // at zero altitude. In other worlds you'd use DTED to determine the
+ // local ground altitude at that lat/lon, or you'd just use ground clamping.
+ // The x and y values will change, but the z value should not.
+ //lon = lon + (double)((double)idx / 100000.0);
+ //System.out.println("lla=" + lat + "," + lon + ", 0.0");
+ double direction = Math.pow((double) (-1.0), (double) (index));
+ longitude = longitude + (direction * 0.00006);
+
+ double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(latitude, longitude, 1.0);
+ Vector3Double location = espdu.getEntityLocation();
+ location.setX(disCoordinates[0]);
+ location.setY(disCoordinates[1]);
+ location.setZ(disCoordinates[2]);
+ System.out.println("===============");
+ System.out.println("Create new PDUs");
+ System.out.println(" latitude, longitude: [" + latitude + ", " + longitude + "]");
+ System.out.println(" coordinate conversion: [" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2] + "]");
+
+ location = espdu.getEntityLocation();
+
+ System.out.println("Espdu #" + index + " entityID=[" + entityID.getSiteID() + "," + entityID.getApplicationID() + "," + entityID.getEntityID() + "]");
+ double c[] = {location.getX(), location.getY(), location.getZ()};
+ double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
+// System.out.println(" DIS entityLocation: [" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
+ String debugString = " Location (latitude/longitude/altitude): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]";
+// System.out.println(debugString);
+
+ // Optionally, we can do some rotation of the entity
+ /*
+ Orientation orientation = espdu.getEntityOrientation();
+ float psi = orientation.getPsi();
+ psi = psi + idx;
+ orientation.setPsi(psi);
+ orientation.setTheta((float)(orientation.getTheta() + idx /2.0));
+ */
+ // You can set other ESPDU values here, such as the velocity, acceleration,
+ // and so on.
+ // Marshal out the espdu object to a byte array, then send a datagram
+ // packet with that data in it.
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ DataOutputStream dos = new DataOutputStream(baos);
+ DatagramPacket packet;
+
+ // The byte array here is the packet in DIS format. We put that into a
+ // datagram and send it.
+ espdu.marshal(dos);
+ byte[] espduArray = baos.toByteArray();
+
+ FirePdu firePdu = new FirePdu();
+ firePdu.setLocationInWorldCoordinates(espdu.getEntityLocation());
+ byte[] fireArray = firePdu.marshal();
+
+ broadcastAddresses = getBroadcastAddresses();
+ Iterator iterator = broadcastAddresses.iterator();
+ while (iterator.hasNext()) {
+ InetAddress broadcast = (InetAddress) iterator.next();
+ if (espduArray.length > 0) {
+ System.out.println("Sending espdu datagram packet to " + broadcast);
+ packet = new DatagramPacket(espduArray, espduArray.length, broadcast, port);
+ socket.send(packet);
+ }
+ // TODO experiment with these! 8)
+ if (fireArray.length > 0) {
+ System.out.println("Sending fire datagram packet to " + broadcast);
+ packet = new DatagramPacket(fireArray, fireArray.length, broadcast, port); // alternate
+ socket.send(packet);
+ }
+ }
+
+ // Send every 1 second within loop. Otherwise all this will be all over in a fraction of a second.
+ Thread.sleep(1000); // msec
+ }
+ } catch (Exception e) {
+ System.out.println("Problem with DisExamplesOpenDis7.EspduSender, see exception trace:");
+ System.out.println(e);
+ }
+ System.out.println("===============");
+ System.out.println("DisExamplesOpenDis7.EspduSender complete.");
+ }
+
+ /**
+ * A number of sites get all snippy about using 255.255.255.255 for a
+ * broadcast address; it trips their security software and they kick you off
+ * their network. (Comcast, NPS, etc.) This determines the broadcast address
+ * for all connected interfaces, based on the IP and subnet mask. If you
+ * have a dual-homed host it will return a broadcast address for both. If
+ * you have some VMs running on your host this will pick up the addresses
+ * for those as well--e.g. running VMWare on your laptop with a local IP
+ * this will also pick up a 192.168 address assigned to the VM by the host
+ * OS.
+ *
+ * @return set of all broadcast addresses
+ */
+ public static Set<InetAddress> getBroadcastAddresses() {
+ Set<InetAddress> broadcastAddresses = new HashSet<>();
+ Enumeration interfaces;
+
+ try {
+ interfaces = NetworkInterface.getNetworkInterfaces();
+
+ while (interfaces.hasMoreElements()) {
+ NetworkInterface anInterface = (NetworkInterface) interfaces.nextElement();
+
+ if (anInterface.isUp()) {
+ Iterator iterator = anInterface.getInterfaceAddresses().iterator();
+ while (iterator.hasNext()) {
+ InterfaceAddress anAddress = (InterfaceAddress) iterator.next();
+ if ((anAddress == null || anAddress.getAddress().isLinkLocalAddress())) {
+ continue;
+ }
+
+ //System.out.println("Getting broadcast address for " + anAddress);
+ InetAddress broadcastAddress = anAddress.getBroadcast();
+ if (broadcastAddress != null) {
+ broadcastAddresses.add(broadcastAddress);
+ }
+ }
+ }
+ }
+ } catch (SocketException e) {
+ System.out.println("Problem with DisExamplesOpenDis7.EspduSender.getBroadcastAddresses(), see exception trace:");
+ System.out.println(e);
+ }
+ return broadcastAddresses;
+ }
+}