diff --git a/projects/Assignments/AngelBlankFP/EspduReceiver.java b/projects/Assignments/AngelBlankFP/EspduReceiver.java
deleted file mode 100644
index 6faf3bf06eab2c19e52fcec30f5c27ee349ae3cc..0000000000000000000000000000000000000000
--- a/projects/Assignments/AngelBlankFP/EspduReceiver.java
+++ /dev/null
@@ -1,73 +0,0 @@
-package edu.nps.moves.examples;
-
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.disutil.*;
-
-import edu.nps.moves.dis.*;
-
-/**
- * Receives PDUs from the network in IEEE format.
- *
- * @author DMcG
- * @version $Id:$
- */
-public class EspduReceiver {
-
- /** 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- * somewhat outdated--PDUs can be larger--but this is a reasonable starting point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;
-
- public static void main(String args[]) {
- MulticastSocket socket;
- DatagramPacket packet;
- InetAddress address;
- PduFactory pduFactory = new PduFactory();
-
- try {
- // Specify the socket to receive data
- socket = new MulticastSocket(3001);
- socket.setBroadcast(true);
-
- //address = InetAddress.getByName(EspduSender.DEFAULT_MULTICAST_GROUP);
- //socket.joinGroup(address);
-
- // Loop infinitely, receiving datagrams
- while (true) {
- byte buffer[] = new byte[MAX_PDU_SIZE];
- packet = new DatagramPacket(buffer, buffer.length);
-
- socket.receive(packet);
-
- List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData());
- System.out.println("Bundle size is " + pduBundle.size());
-
- Iterator it = pduBundle.iterator();
-
- while(it.hasNext())
- {
- Pdu aPdu = (Pdu)it.next();
-
- System.out.print("got PDU of type: " + aPdu.getClass().getName());
- if(aPdu instanceof EntityStatePdu)
- {
- EntityID eid = ((EntityStatePdu)aPdu).getEntityID();
- Vector3Double position = ((EntityStatePdu)aPdu).getEntityLocation();
- System.out.print(" EID:[" + eid.getSite() + ", " + eid.getApplication() + ", " + eid.getEntity() + "] ");
- System.out.print(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
- }
- System.out.println();
- } // end trop through PDU bundle
-
- } // end while
- } // End try
- catch (Exception e) {
-
- System.out.println(e);
- }
-
-
- } // end main
-} // end class
diff --git a/projects/Assignments/AngelBlankFP/EspduReceiverB.java b/projects/Assignments/AngelBlankFP/EspduReceiverB.java
deleted file mode 100644
index d63205138f4f44350d34f10611df6edea73d58fd..0000000000000000000000000000000000000000
--- a/projects/Assignments/AngelBlankFP/EspduReceiverB.java
+++ /dev/null
@@ -1,73 +0,0 @@
-package java.edu.nps.moves.examples;
-
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.disutil.*;
-
-import edu.nps.moves.dis.*;
-
-/**
- * Receives PDUs from the network in IEEE format.
- *
- * @author DMcG
- * @version $Id:$
- */
-public class EspduReceiverB {
-
- /** 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;
-
- public static void main(String args[]) {
- MulticastSocket socket;
- DatagramPacket packet;
- InetAddress address;
- PduFactory pduFactory = new PduFactory();
-
- try {
- // Specify the socket to receive data
- socket = new MulticastSocket(3001);
- socket.setBroadcast(true);
-
- //address = InetAddress.getByName(EspduSender.DEFAULT_MULTICAST_GROUP);
- //socket.joinGroup(address);
-
- // Loop infinitely, receiving datagrams
- while (true) {
- byte buffer[] = new byte[MAX_PDU_SIZE];
- packet = new DatagramPacket(buffer, buffer.length);
-
- socket.receive(packet);
-
- List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData());
- System.out.println("Bundle size is " + pduBundle.size());
-
- Iterator it = pduBundle.iterator();
-
- while(it.hasNext())
- {
- Pdu aPdu = (Pdu)it.next();
-
- System.out.print("got PDU of type: " + aPdu.getClass().getName());
- if(aPdu instanceof EntityStatePdu)
- {
- EntityID eid = ((EntityStatePdu)aPdu).getEntityID();
- Vector3Double position = ((EntityStatePdu)aPdu).getEntityLocation();
- System.out.print(" EID:[" + eid.getSite() + ", " + eid.getApplication() + ", " + eid.getEntity() + "] ");
- System.out.print(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
- }
- System.out.println();
- } // end trop through PDU bundle
-
- } // end while
- } // End try
- catch (Exception e) {
-
- System.out.println(e);
- }
-
-
- } // end main
-} // end class
diff --git a/projects/Assignments/AngelBlankFP/EspduSender.java b/projects/Assignments/AngelBlankFP/EspduSender.java
deleted file mode 100644
index 1758b36b3729ed862fe22b98ad68eef64eeaf2f1..0000000000000000000000000000000000000000
--- a/projects/Assignments/AngelBlankFP/EspduSender.java
+++ /dev/null
@@ -1,323 +0,0 @@
-package edu.nps.moves.examples;
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.dis.*;
-import edu.nps.moves.disutil.CoordinateConversions;
-import edu.nps.moves.disutil.DisTime;
-
-/**
- * Creates and sends ESPDUs in IEEE binary format.
- *
- * @author DMcG
- */
-public class EspduSender
-{
- public static final int NUMBER_TO_SEND = 5000;
-
- public enum NetworkMode{UNICAST, MULTICAST, BROADCAST};
-
- /** default multicast group we send on */
- public static final String DEFAULT_MULTICAST_GROUP="239.1.2.3";
-
- /** Port we send on */
- public static final int DIS_DESTINATION_PORT = 3000;
-
-/** 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 mcast.
- * To determine bcast destination IP, use an online bcast address
- * caclulator, for example http://www.remotemonitoringsystems.ca/broadcast.php
- * If in mcast mode, a join() will be done on the mcast address.
- * port: port used for both source and destination.
- * @param args
- */
-public static void main(String args[])
-{
- /** an entity state pdu */
- EntityStatePdu espdu = new EntityStatePdu();
- MulticastSocket socket = null;
- DisTime disTime = DisTime.getInstance();
- int alternator = -1;
-
- // ICBM coordinates for my office
- double lat = 36.595517;
- double lon = -121.877000;
-
-
- // Default settings. These are used if no system properties are set.
- // If system properties are passed in, these are over ridden.
- int port = DIS_DESTINATION_PORT;
- NetworkMode mode = NetworkMode.BROADCAST;
- InetAddress destinationIp = null;
-
- try
- {
- destinationIp = InetAddress.getByName(DEFAULT_MULTICAST_GROUP);
- }
- catch(Exception 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 a socket to send information
- try
- {
- // Port we send to
- if(portString != null)
- port = Integer.parseInt(portString);
-
- socket = new MulticastSocket(port);
-
- // Where we send packets to, the destination IP address
- if(destinationIpString != null)
- {
- destinationIp = InetAddress.getByName(destinationIpString);
- }
-
- // Type of transport: unicast, broadcast, or multicast
- if(networkModeString != null)
- {
- if(networkModeString.equalsIgnoreCase("unicast"))
- mode = NetworkMode.UNICAST;
- else if(networkModeString.equalsIgnoreCase("broadcast"))
- mode = NetworkMode.BROADCAST;
- else if(networkModeString.equalsIgnoreCase("multicast"))
- {
- mode = NetworkMode.MULTICAST;
- if(!destinationIp.isMulticastAddress())
- {
- throw new RuntimeException("Sending to multicast address, but destination address " + destinationIp.toString() + "is not multicast");
- }
-
- socket.joinGroup(destinationIp);
-
- }
- } // end networkModeString
- }
- catch(Exception e)
- {
- System.out.println("Unable to initialize networking. Exiting.");
- System.out.println(e);
- System.exit(-1);
- }
-
- // 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((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 eid = espdu.getEntityID();
- eid.setSite(1); // 0 is apparently not a valid site number, per the spec
- eid.setApplication(1);
- eid.setEntity(2);
-
- // 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.
- EntityType entityType = espdu.getEntityType();
- entityType.setEntityKind((short)1); // Platform (vs lifeform, munition, sensor, etc.)
- entityType.setCountry(225); // USA
- entityType.setDomain((short)1); // Land (vs air, surface, subsurface, space)
- entityType.setCategory((short)1); // Tank
- entityType.setSubcategory((short)1); // M1 Abrams
- entityType.setSpec((short)3); // M1A2 Abrams
-
-
- Set<InetAddress> bcastAddresses = getBroadcastAddresses();
- // Loop through sending N ESPDUs
- try
- {
- System.out.println("Sending " + NUMBER_TO_SEND + " ESPDU packets to " + destinationIp.toString());
- for(int idx = 0; idx < NUMBER_TO_SEND; idx++)
- {
- // DIS time is a pain in the ass. 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 ts = disTime.getDisAbsoluteTimestamp();
- espdu.setTimestamp(ts);
-
- // 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)(idx));
- lon = lon + (direction * 0.00006);
- System.out.println(lon);
-
- double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(lat, lon, 1.0);
- Vector3Double location = espdu.getEntityLocation();
- location.setX(disCoordinates[0]);
- location.setY(disCoordinates[1]);
- location.setZ(disCoordinates[2]);
- System.out.println("lat, lon:" + lat + ", " + lon);
- System.out.println("DIS coord:" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2]);
-
- // 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);
- espdu.marshal(dos);
-
- FirePdu fire = new FirePdu();
- byte[] fireArray = fire.marshal();
-
- // The byte array here is the packet in DIS format. We put that into a
- // datagram and send it.
- byte[] data = baos.toByteArray();
-
- bcastAddresses = getBroadcastAddresses();
- Iterator it = bcastAddresses.iterator();
- while(it.hasNext())
- {
- InetAddress bcast = (InetAddress)it.next();
- System.out.println("Sending bcast to " + bcast);
- DatagramPacket packet = new DatagramPacket(data, data.length, bcast, 3000);
- socket.send(packet);
- packet = new DatagramPacket(fireArray, fireArray.length, bcast, 3000);
- //socket.send(packet);
- }
-
- // Send every 1 sec. Otherwise this will be all over in a fraction of a second.
- Thread.sleep(3000);
-
- location = espdu.getEntityLocation();
-
- System.out.println("Espdu #" + idx + " EID=[" + eid.getSite() + "," + eid.getApplication() + "," + eid.getEntity() + "]");
- System.out.println(" DIS coordinates location=[" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
- double c[] = {location.getX(), location.getY(), location.getZ()};
- double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
-// System.out.println(" Location (lat/lon/alt): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]");
-
- }
- }
- catch(Exception e)
- {
- System.out.println(e);
- }
-
-}
-
- /**
- * A number of sites get all snippy about using 255.255.255.255 for a bcast
- * address; it trips their security software and they kick you off their
- * network. (Comcast, NPS.) This determines the bcast address for all
- * connected interfaces, based on the IP and subnet mask. If you have
- * a dual-homed host it will return a bcast address for both. If you have
- * some VMs running on your host this will pick up the addresses for those
- * as well--eg 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 bcast addresses
- */
- public static Set<InetAddress> getBroadcastAddresses()
- {
- Set<InetAddress> bcastAddresses = new HashSet<InetAddress>();
- Enumeration interfaces;
-
- try
- {
- interfaces = NetworkInterface.getNetworkInterfaces();
-
- while(interfaces.hasMoreElements())
- {
- NetworkInterface anInterface = (NetworkInterface)interfaces.nextElement();
-
- if(anInterface.isUp())
- {
- Iterator it = anInterface.getInterfaceAddresses().iterator();
- while(it.hasNext())
- {
- InterfaceAddress anAddress = (InterfaceAddress)it.next();
- if((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
- continue;
-
- //System.out.println("Getting bcast address for " + anAddress);
- InetAddress abcast = anAddress.getBroadcast();
- if(abcast != null)
- bcastAddresses.add(abcast);
- }
- }
- }
-
- }
- catch(Exception e)
- {
- e.printStackTrace();
- System.out.println(e);
- }
-
- return bcastAddresses;
- }
-
-}
diff --git a/projects/Assignments/AngelBlankFP/EspduSenderB.java b/projects/Assignments/AngelBlankFP/EspduSenderB.java
deleted file mode 100644
index 80c46213cf5a45176f3ef35307259118c5bd5f9b..0000000000000000000000000000000000000000
--- a/projects/Assignments/AngelBlankFP/EspduSenderB.java
+++ /dev/null
@@ -1,323 +0,0 @@
-package java.edu.nps.moves.examples;
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.dis.*;
-import edu.nps.moves.disutil.CoordinateConversions;
-import edu.nps.moves.disutil.DisTime;
-
-/**
- * Creates and sends ESPDUs in IEEE binary format.
- *
- * @author DMcG
- */
-public class EspduSenderB
-{
- public static final int NUMBER_TO_SEND = 5000;
-
- public enum NetworkMode{UNICAST, MULTICAST, BROADCAST};
-
- /** default multicast group we send on */
- public static final String DEFAULT_MULTICAST_GROUP="239.1.2.3";
-
- /** Port we send on */
- public static final int DIS_DESTINATION_PORT = 3000;
-
-/** 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 mcast.
- * To determine bcast destination IP, use an online bcast address
- * caclulator, for example http://www.remotemonitoringsystems.ca/broadcast.php
- * If in mcast mode, a join() will be done on the mcast address.
- * port: port used for both source and destination.
- * @param args
- */
-public static void main(String args[])
-{
- /** an entity state pdu */
- EntityStatePdu espdu = new EntityStatePdu();
- MulticastSocket socket = null;
- DisTime disTime = DisTime.getInstance();
- int alternator = -1;
-
- // ICBM coordinates for my office
- double lat = 36.595517;
- double lon = -121.877000;
-
-
- // Default settings. These are used if no system properties are set.
- // If system properties are passed in, these are over ridden.
- int port = DIS_DESTINATION_PORT;
- NetworkMode mode = NetworkMode.BROADCAST;
- InetAddress destinationIp = null;
-
- try
- {
- destinationIp = InetAddress.getByName(DEFAULT_MULTICAST_GROUP);
- }
- catch(Exception 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 a socket to send information
- try
- {
- // Port we send to
- if(portString != null)
- port = Integer.parseInt(portString);
-
- socket = new MulticastSocket(port);
-
- // Where we send packets to, the destination IP address
- if(destinationIpString != null)
- {
- destinationIp = InetAddress.getByName(destinationIpString);
- }
-
- // Type of transport: unicast, broadcast, or multicast
- if(networkModeString != null)
- {
- if(networkModeString.equalsIgnoreCase("unicast"))
- mode = NetworkMode.UNICAST;
- else if(networkModeString.equalsIgnoreCase("broadcast"))
- mode = NetworkMode.BROADCAST;
- else if(networkModeString.equalsIgnoreCase("multicast"))
- {
- mode = NetworkMode.MULTICAST;
- if(!destinationIp.isMulticastAddress())
- {
- throw new RuntimeException("Sending to multicast address, but destination address " + destinationIp.toString() + "is not multicast");
- }
-
- socket.joinGroup(destinationIp);
-
- }
- } // end networkModeString
- }
- catch(Exception e)
- {
- System.out.println("Unable to initialize networking. Exiting.");
- System.out.println(e);
- System.exit(-1);
- }
-
- // 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((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 eid = espdu.getEntityID();
- eid.setSite(1); // 0 is apparently not a valid site number, per the spec
- eid.setApplication(1);
- eid.setEntity(2);
-
- // 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.
- EntityType entityType = espdu.getEntityType();
- entityType.setEntityKind((short)1); // Platform (vs lifeform, munition, sensor, etc.)
- entityType.setCountry(225); // USA
- entityType.setDomain((short)1); // Land (vs air, surface, subsurface, space)
- entityType.setCategory((short)1); // Tank
- entityType.setSubcategory((short)1); // M1 Abrams
- entityType.setSpec((short)3); // M1A2 Abrams
-
-
- Set<InetAddress> bcastAddresses = getBroadcastAddresses();
- // Loop through sending N ESPDUs
- try
- {
- System.out.println("Sending " + NUMBER_TO_SEND + " ESPDU packets to " + destinationIp.toString());
- for(int idx = 0; idx < NUMBER_TO_SEND; idx++)
- {
- // DIS time is a pain in the ass. 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 ts = disTime.getDisAbsoluteTimestamp();
- espdu.setTimestamp(ts);
-
- // 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)(idx));
- lon = lon + (direction * 0.00006);
- System.out.println(lon);
-
- double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(lat, lon, 1.0);
- Vector3Double location = espdu.getEntityLocation();
- location.setX(disCoordinates[0]);
- location.setY(disCoordinates[1]);
- location.setZ(disCoordinates[2]);
- System.out.println("lat, lon:" + lat + ", " + lon);
- System.out.println("DIS coord:" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2]);
-
- // 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);
- espdu.marshal(dos);
-
- FirePdu fire = new FirePdu();
- byte[] fireArray = fire.marshal();
-
- // The byte array here is the packet in DIS format. We put that into a
- // datagram and send it.
- byte[] data = baos.toByteArray();
-
- bcastAddresses = getBroadcastAddresses();
- Iterator it = bcastAddresses.iterator();
- while(it.hasNext())
- {
- InetAddress bcast = (InetAddress)it.next();
- System.out.println("Sending bcast to " + bcast);
- DatagramPacket packet = new DatagramPacket(data, data.length, bcast, 3000);
- socket.send(packet);
- packet = new DatagramPacket(fireArray, fireArray.length, bcast, 3000);
- //socket.send(packet);
- }
-
- // Send every 1 sec. Otherwise this will be all over in a fraction of a second.
- Thread.sleep(3000);
-
- location = espdu.getEntityLocation();
-
- System.out.println("Espdu #" + idx + " EID=[" + eid.getSite() + "," + eid.getApplication() + "," + eid.getEntity() + "]");
- System.out.println(" DIS coordinates location=[" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
- double c[] = {location.getX(), location.getY(), location.getZ()};
- double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
-// System.out.println(" Location (lat/lon/alt): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]");
-
- }
- }
- catch(Exception e)
- {
- System.out.println(e);
- }
-
-}
-
- /**
- * A number of sites get all snippy about using 255.255.255.255 for a bcast
- * address; it trips their security software and they kick you off their
- * network. (Comcast, NPS.) This determines the bcast address for all
- * connected interfaces, based on the IP and subnet mask. If you have
- * a dual-homed host it will return a bcast address for both. If you have
- * some VMs running on your host this will pick up the addresses for those
- * as well--eg 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 bcast addresses
- */
- public static Set<InetAddress> getBroadcastAddresses()
- {
- Set<InetAddress> bcastAddresses = new HashSet<InetAddress>();
- Enumeration interfaces;
-
- try
- {
- interfaces = NetworkInterface.getNetworkInterfaces();
-
- while(interfaces.hasMoreElements())
- {
- NetworkInterface anInterface = (NetworkInterface)interfaces.nextElement();
-
- if(anInterface.isUp())
- {
- Iterator it = anInterface.getInterfaceAddresses().iterator();
- while(it.hasNext())
- {
- InterfaceAddress anAddress = (InterfaceAddress)it.next();
- if((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
- continue;
-
- //System.out.println("Getting bcast address for " + anAddress);
- InetAddress abcast = anAddress.getBroadcast();
- if(abcast != null)
- bcastAddresses.add(abcast);
- }
- }
- }
-
- }
- catch(Exception e)
- {
- e.printStackTrace();
- System.out.println(e);
- }
-
- return bcastAddresses;
- }
-
-}
diff --git a/projects/Assignments/homework3/ABEspduReceiverA.java b/projects/Assignments/homework3/ABEspduReceiverA.java
deleted file mode 100644
index 7b28b2b368975e266954717d0c0ea5955769bf8b..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/ABEspduReceiverA.java
+++ /dev/null
@@ -1,73 +0,0 @@
-
-
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.disutil.*;
-
-import edu.nps.moves.dis.*;
-
-/**
- * Receives PDUs from the network in IEEE format.
- *
- * @author DMcG
- * @version $Id:$
- */
-public class ABEspduReceiverA {
-
- /** 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;
- public static final String GROUP = "239.1.2.3";
- public static void main(String args[]) {
- MulticastSocket socket;
- DatagramPacket packet;
- InetAddress address;
- PduFactory pduFactory = new PduFactory();
-
- try {
- // Specify the socket to receive data
- socket = new MulticastSocket(3000);
- socket.setBroadcast(true);
-
- address = InetAddress.getByName(GROUP);
- socket.joinGroup(address);
-
- // Loop infinitely, receiving datagrams
- while (true) {
- byte buffer[] = new byte[MAX_PDU_SIZE];
- packet = new DatagramPacket(buffer, buffer.length);
-
- socket.receive(packet);
-
- List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData());
- System.out.println("Bundle size is " + pduBundle.size());
-
- Iterator it = pduBundle.iterator();
-
- while(it.hasNext())
- {
- Pdu aPdu = (Pdu)it.next();
-
- System.out.print("got PDU of type: " + aPdu.getClass().getName());
- if(aPdu instanceof EntityStatePdu)
- {
- EntityID eid = ((EntityStatePdu)aPdu).getEntityID();
- Vector3Double position = ((EntityStatePdu)aPdu).getEntityLocation();
- System.out.print(" EID:[" + eid.getSite() + ", " + eid.getApplication() + ", " + eid.getEntity() + "] ");
- System.out.print(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
- }
- System.out.println();
- } // end trop through PDU bundle
-
- } // end while
- } // End try
- catch (Exception e) {
-
- System.out.println(e);
- }
-
-
- } // end main
-} // end class
diff --git a/projects/Assignments/homework3/ABEspduReceiverB.java b/projects/Assignments/homework3/ABEspduReceiverB.java
deleted file mode 100644
index c19654ecc603a97eda1e0846fa0ec48c3665dc46..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/ABEspduReceiverB.java
+++ /dev/null
@@ -1,75 +0,0 @@
-
-
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.disutil.*;
-import edu.nps.moves.dis.*;
-
-/**
- * Receives PDUs from the network in IEEE format.
- *
- * @author DMcG
- * @version $Id:$
- */
-public class ABEspduReceiverB {
-
- /** 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;
-
- public static final String GROUP = "239.1.2.3";
-
- public static void main(String args[]) {
- MulticastSocket socket;
- DatagramPacket packet;
- InetAddress address;
- PduFactory pduFactory = new PduFactory();
-
- try {
- // Specify the socket to receive data
- socket = new MulticastSocket(3000);
- socket.setBroadcast(true);
-
-
- address = InetAddress.getByName(GROUP);
- socket.joinGroup(address);
-
- // Loop infinitely, receiving datagrams
- while (true) {
- byte buffer[] = new byte[MAX_PDU_SIZE];
- packet = new DatagramPacket(buffer, buffer.length);
-
- socket.receive(packet);
-
- List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData());
- System.out.println("Bundle size is " + pduBundle.size());
-
- Iterator it = pduBundle.iterator();
-
- while(it.hasNext())
- {
- Pdu aPdu = (Pdu)it.next();
-
- System.out.print("got PDU of type: " + aPdu.getClass().getName());
- if(aPdu instanceof EntityStatePdu)
- {
- EntityID eid = ((EntityStatePdu)aPdu).getEntityID();
- Vector3Double position = ((EntityStatePdu)aPdu).getEntityLocation();
- System.out.print(" EID:[" + eid.getSite() + ", " + eid.getApplication() + ", " + eid.getEntity() + "] ");
- System.out.print(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
- }
- System.out.println();
- } // end trop through PDU bundle
-
- } // end while
- } // End try
- catch (Exception e) {
-
- System.out.println(e);
- }
-
-
- } // end main
-} // end class
diff --git a/projects/Assignments/homework3/ABEspduSenderA.java b/projects/Assignments/homework3/ABEspduSenderA.java
deleted file mode 100644
index d3cd7510899593dda0626ba0803f2903ba027146..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/ABEspduSenderA.java
+++ /dev/null
@@ -1,323 +0,0 @@
-
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.dis.*;
-import edu.nps.moves.disutil.CoordinateConversions;
-import edu.nps.moves.disutil.DisTime;
-
-/**
- * Creates and sends ESPDUs in IEEE binary format.
- *
- * @author DMcG
- */
-public class ABEspduSenderA
-{
- public static final int NUMBER_TO_SEND = 5000;
-
- public enum NetworkMode{UNICAST, MULTICAST, BROADCAST};
-
- /** default multicast group we send on */
- public static final String DEFAULT_MULTICAST_GROUP="239.1.2.3";
-
- /** Port we send on */
- public static final int DIS_DESTINATION_PORT = 3000;
-
-/** 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 mcast.
- * To determine bcast destination IP, use an online bcast address
- * caclulator, for example http://www.remotemonitoringsystems.ca/broadcast.php
- * If in mcast mode, a join() will be done on the mcast address.
- * port: port used for both source and destination.
- * @param args
- */
-public static void main(String args[])
-{
- /** an entity state pdu */
- EntityStatePdu espdu = new EntityStatePdu();
- MulticastSocket socket = null;
- DisTime disTime = DisTime.getInstance();
- int alternator = -1;
-
- // ICBM coordinates for my office
- double lat = 36.595517;
- double lon = -121.877000;
-
-
- // Default settings. These are used if no system properties are set.
- // If system properties are passed in, these are over ridden.
- int port = DIS_DESTINATION_PORT;
- NetworkMode mode = NetworkMode.MULTICAST;
- InetAddress destinationIp = null;
-
- try
- {
- destinationIp = InetAddress.getByName(DEFAULT_MULTICAST_GROUP);
- }
- catch(Exception 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 a socket to send information
- try
- {
- // Port we send to
- if(portString != null)
- port = Integer.parseInt(portString);
-
- socket = new MulticastSocket(port);
-
- // Where we send packets to, the destination IP address
- if(destinationIpString != null)
- {
- destinationIp = InetAddress.getByName(destinationIpString);
- }
-
- // Type of transport: unicast, broadcast, or multicast
- if(networkModeString != null)
- {
- if(networkModeString.equalsIgnoreCase("unicast"))
- mode = NetworkMode.UNICAST;
- else if(networkModeString.equalsIgnoreCase("broadcast"))
- mode = NetworkMode.BROADCAST;
- else if(networkModeString.equalsIgnoreCase("multicast"))
- {
- mode = NetworkMode.MULTICAST;
- if(!destinationIp.isMulticastAddress())
- {
- throw new RuntimeException("Sending to multicast address, but destination address " + destinationIp.toString() + "is not multicast");
- }
-
- socket.joinGroup(destinationIp);
-
- }
- } // end networkModeString
- }
- catch(Exception e)
- {
- System.out.println("Unable to initialize networking. Exiting.");
- System.out.println(e);
- System.exit(-1);
- }
-
- // 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((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 eid = espdu.getEntityID();
- eid.setSite(1); // 0 is apparently not a valid site number, per the spec
- eid.setApplication(1);
- eid.setEntity(2);
-
- // 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.
- EntityType entityType = espdu.getEntityType();
- entityType.setEntityKind((short)1); // Platform (vs lifeform, munition, sensor, etc.)
- entityType.setCountry(225); // USA
- entityType.setDomain((short)1); // Land (vs air, surface, subsurface, space)
- entityType.setCategory((short)1); // Tank
- entityType.setSubcategory((short)1); // M1 Abrams
- entityType.setSpec((short)3); // M1A2 Abrams
-
-
- Set<InetAddress> bcastAddresses = getBroadcastAddresses();
- // Loop through sending N ESPDUs
- try
- {
- System.out.println("Sending " + NUMBER_TO_SEND + " ESPDU packets to " + destinationIp.toString());
- for(int idx = 0; idx < NUMBER_TO_SEND; idx++)
- {
- // DIS time is a pain in the ass. 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 ts = disTime.getDisAbsoluteTimestamp();
- espdu.setTimestamp(ts);
-
- // 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)(idx));
- lon = lon + (direction * 0.00006);
- System.out.println(lon);
-
- double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(lat, lon, 1.0);
- Vector3Double location = espdu.getEntityLocation();
- location.setX(disCoordinates[0]);
- location.setY(disCoordinates[1]);
- location.setZ(disCoordinates[2]);
- System.out.println("lat, lon:" + lat + ", " + lon);
- System.out.println("DIS coord:" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2]);
-
- // 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);
- espdu.marshal(dos);
-
- FirePdu fire = new FirePdu();
- byte[] fireArray = fire.marshal();
-
- // The byte array here is the packet in DIS format. We put that into a
- // datagram and send it.
- byte[] data = baos.toByteArray();
-
- bcastAddresses = getBroadcastAddresses();
- Iterator it = bcastAddresses.iterator();
- while(it.hasNext())
- {
- InetAddress bcast = (InetAddress)it.next();
- System.out.println("Sending bcast to " + bcast);
- DatagramPacket packet = new DatagramPacket(data, data.length, bcast, 3000);
- socket.send(packet);
- packet = new DatagramPacket(fireArray, fireArray.length, bcast, 3000);
- //socket.send(packet);
- }
-
- // Send every 1 sec. Otherwise this will be all over in a fraction of a second.
- Thread.sleep(3000);
-
- location = espdu.getEntityLocation();
-
- System.out.println("Espdu #" + idx + " EID=[" + eid.getSite() + "," + eid.getApplication() + "," + eid.getEntity() + "]");
- System.out.println(" DIS coordinates location=[" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
- double c[] = {location.getX(), location.getY(), location.getZ()};
- double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
-// System.out.println(" Location (lat/lon/alt): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]");
-
- }
- }
- catch(Exception e)
- {
- System.out.println(e);
- }
-
-}
-
- /**
- * A number of sites get all snippy about using 255.255.255.255 for a bcast
- * address; it trips their security software and they kick you off their
- * network. (Comcast, NPS.) This determines the bcast address for all
- * connected interfaces, based on the IP and subnet mask. If you have
- * a dual-homed host it will return a bcast address for both. If you have
- * some VMs running on your host this will pick up the addresses for those
- * as well--eg 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 bcast addresses
- */
- public static Set<InetAddress> getBroadcastAddresses()
- {
- Set<InetAddress> bcastAddresses = new HashSet<InetAddress>();
- Enumeration interfaces;
-
- try
- {
- interfaces = NetworkInterface.getNetworkInterfaces();
-
- while(interfaces.hasMoreElements())
- {
- NetworkInterface anInterface = (NetworkInterface)interfaces.nextElement();
-
- if(anInterface.isUp())
- {
- Iterator it = anInterface.getInterfaceAddresses().iterator();
- while(it.hasNext())
- {
- InterfaceAddress anAddress = (InterfaceAddress)it.next();
- if((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
- continue;
-
- //System.out.println("Getting bcast address for " + anAddress);
- InetAddress abcast = anAddress.getBroadcast();
- if(abcast != null)
- bcastAddresses.add(abcast);
- }
- }
- }
-
- }
- catch(Exception e)
- {
- e.printStackTrace();
- System.out.println(e);
- }
-
- return bcastAddresses;
- }
-
-}
diff --git a/projects/Assignments/homework3/ABEspduSenderB.java b/projects/Assignments/homework3/ABEspduSenderB.java
deleted file mode 100644
index 4e373aa924a7f4c957fd198a2f9b7717b664ba95..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/ABEspduSenderB.java
+++ /dev/null
@@ -1,323 +0,0 @@
-
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.dis.*;
-import edu.nps.moves.disutil.CoordinateConversions;
-import edu.nps.moves.disutil.DisTime;
-
-/**
- * Creates and sends ESPDUs in IEEE binary format.
- *
- * @author DMcG
- */
-public class ABEspduSenderB
-{
- public static final int NUMBER_TO_SEND = 5000;
-
- public enum NetworkMode{UNICAST, MULTICAST, BROADCAST};
-
- /** default multicast group we send on */
- public static final String DEFAULT_MULTICAST_GROUP = "239.1.2.3";
-
- /** Port we send on */
- public static final int DIS_DESTINATION_PORT = 3000;
-
-/** 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 mcast.
- * To determine bcast destination IP, use an online bcast address
- * caclulator, for example http://www.remotemonitoringsystems.ca/broadcast.php
- * If in mcast mode, a join() will be done on the mcast address.
- * port: port used for both source and destination.
- * @param args
- */
-public static void main(String args[])
-{
- /** an entity state pdu */
- EntityStatePdu espdu = new EntityStatePdu();
- MulticastSocket socket = null;
- DisTime disTime = DisTime.getInstance();
- int alternator = -1;
-
- // ICBM coordinates for my office
- double lat = 36.595517;
- double lon = -121.877000;
-
-
- // Default settings. These are used if no system properties are set.
- // If system properties are passed in, these are over ridden.
- int port = DIS_DESTINATION_PORT;
- NetworkMode mode = NetworkMode.MULTICAST;
- InetAddress destinationIp = null;
-
- try
- {
- destinationIp = InetAddress.getByName(DEFAULT_MULTICAST_GROUP);
- }
- catch(Exception 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 a socket to send information
- try
- {
- // Port we send to
- if(portString != null)
- port = Integer.parseInt(portString);
-
- socket = new MulticastSocket(port);
-
- // Where we send packets to, the destination IP address
- if(destinationIpString != null)
- {
- destinationIp = InetAddress.getByName(destinationIpString);
- }
-
- // Type of transport: unicast, broadcast, or multicast
- if(networkModeString != null)
- {
- if(networkModeString.equalsIgnoreCase("unicast"))
- mode = NetworkMode.UNICAST;
- else if(networkModeString.equalsIgnoreCase("broadcast"))
- mode = NetworkMode.BROADCAST;
- else if(networkModeString.equalsIgnoreCase("multicast"))
- {
- mode = NetworkMode.MULTICAST;
- if(!destinationIp.isMulticastAddress())
- {
- throw new RuntimeException("Sending to multicast address, but destination address " + destinationIp.toString() + "is not multicast");
- }
-
- socket.joinGroup(destinationIp);
-
- }
- } // end networkModeString
- }
- catch(Exception e)
- {
- System.out.println("Unable to initialize networking. Exiting.");
- System.out.println(e);
- System.exit(-1);
- }
-
- // 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((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 eid = espdu.getEntityID();
- eid.setSite(1); // 0 is apparently not a valid site number, per the spec
- eid.setApplication(1);
- eid.setEntity(2);
-
- // 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.
- EntityType entityType = espdu.getEntityType();
- entityType.setEntityKind((short)1); // Platform (vs lifeform, munition, sensor, etc.)
- entityType.setCountry(225); // USA
- entityType.setDomain((short)1); // Land (vs air, surface, subsurface, space)
- entityType.setCategory((short)1); // Tank
- entityType.setSubcategory((short)1); // M1 Abrams
- entityType.setSpec((short)3); // M1A2 Abrams
-
-
- Set<InetAddress> bcastAddresses = getBroadcastAddresses();
- // Loop through sending N ESPDUs
- try
- {
- System.out.println("Sending " + NUMBER_TO_SEND + " ESPDU packets to " + destinationIp.toString());
- for(int idx = 0; idx < NUMBER_TO_SEND; idx++)
- {
- // DIS time is a pain in the ass. 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 ts = disTime.getDisAbsoluteTimestamp();
- espdu.setTimestamp(ts);
-
- // 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)(idx));
- lon = lon + (direction * 0.00006);
- System.out.println(lon);
-
- double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(lat, lon, 1.0);
- Vector3Double location = espdu.getEntityLocation();
- location.setX(disCoordinates[0]);
- location.setY(disCoordinates[1]);
- location.setZ(disCoordinates[2]);
- System.out.println("lat, lon:" + lat + ", " + lon);
- System.out.println("DIS coord:" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2]);
-
- // 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);
- espdu.marshal(dos);
-
- FirePdu fire = new FirePdu();
- byte[] fireArray = fire.marshal();
-
- // The byte array here is the packet in DIS format. We put that into a
- // datagram and send it.
- byte[] data = baos.toByteArray();
-
- bcastAddresses = getBroadcastAddresses();
- Iterator it = bcastAddresses.iterator();
- while(it.hasNext())
- {
- InetAddress bcast = (InetAddress)it.next();
- System.out.println("Sending bcast to " + bcast);
- DatagramPacket packet = new DatagramPacket(data, data.length, bcast, 3000);
- socket.send(packet);
- packet = new DatagramPacket(fireArray, fireArray.length, bcast, 3000);
- //socket.send(packet);
- }
-
- // Send every 1 sec. Otherwise this will be all over in a fraction of a second.
- Thread.sleep(3000);
-
- location = espdu.getEntityLocation();
-
- System.out.println("Espdu #" + idx + " EID=[" + eid.getSite() + "," + eid.getApplication() + "," + eid.getEntity() + "]");
- System.out.println(" DIS coordinates location=[" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
- double c[] = {location.getX(), location.getY(), location.getZ()};
- double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
-// System.out.println(" Location (lat/lon/alt): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]");
-
- }
- }
- catch(Exception e)
- {
- System.out.println(e);
- }
-
-}
-
- /**
- * A number of sites get all snippy about using 255.255.255.255 for a bcast
- * address; it trips their security software and they kick you off their
- * network. (Comcast, NPS.) This determines the bcast address for all
- * connected interfaces, based on the IP and subnet mask. If you have
- * a dual-homed host it will return a bcast address for both. If you have
- * some VMs running on your host this will pick up the addresses for those
- * as well--eg 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 bcast addresses
- */
- public static Set<InetAddress> getBroadcastAddresses()
- {
- Set<InetAddress> bcastAddresses = new HashSet<InetAddress>();
- Enumeration interfaces;
-
- try
- {
- interfaces = NetworkInterface.getNetworkInterfaces();
-
- while(interfaces.hasMoreElements())
- {
- NetworkInterface anInterface = (NetworkInterface)interfaces.nextElement();
-
- if(anInterface.isUp())
- {
- Iterator it = anInterface.getInterfaceAddresses().iterator();
- while(it.hasNext())
- {
- InterfaceAddress anAddress = (InterfaceAddress)it.next();
- if((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
- continue;
-
- //System.out.println("Getting bcast address for " + anAddress);
- InetAddress abcast = anAddress.getBroadcast();
- if(abcast != null)
- bcastAddresses.add(abcast);
- }
- }
- }
-
- }
- catch(Exception e)
- {
- e.printStackTrace();
- System.out.println(e);
- }
-
- return bcastAddresses;
- }
-
-}
diff --git a/projects/Assignments/homework3/AngelBlank/ABEspduReceiverA.java b/projects/Assignments/homework3/AngelBlank/ABEspduReceiverA.java
deleted file mode 100644
index 14fa3eb227c44a20f81d48d61739c3c18c155a8f..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/AngelBlank/ABEspduReceiverA.java
+++ /dev/null
@@ -1,79 +0,0 @@
-package AngelBlank;
-
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.disutil.*;
-import edu.nps.moves.dis.*;
-
-/**
- * Receives PDUs from the network in IEEE format.
- *
- * @author DMcG
- * @version $Id:$
- */
-public class ABEspduReceiverA {
-
- /** 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;
- public static final String GROUP = "239.1.2.3";
- public static void main(String args[]) {
- MulticastSocket socket;
- DatagramPacket packet;
- InetAddress address;
- PduFactory pduFactory = new PduFactory();
-
-
-
- try {
- // Create TCP Bridge
- ServerSocket serverSocket = new ServerSocket(2999);
-
-
-
- // Specify the socket to receive data
- socket = new MulticastSocket(3000);
- socket.setBroadcast(true);
-
- address = InetAddress.getByName(GROUP);
- socket.joinGroup(address);
-
- // Loop infinitely, receiving datagrams
- while (true) {
- byte buffer[] = new byte[MAX_PDU_SIZE];
- packet = new DatagramPacket(buffer, buffer.length);
-
- socket.receive(packet);
-
- List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData());
- System.out.println("Bundle size is " + pduBundle.size());
-
- Iterator it = pduBundle.iterator();
-
- while(it.hasNext())
- {
- Pdu aPdu = (Pdu)it.next();
-
- System.out.print("got PDU of type: " + aPdu.getClass().getName());
- if(aPdu instanceof EntityStatePdu)
- {
- EntityID eid = ((EntityStatePdu)aPdu).getEntityID();
- Vector3Double position = ((EntityStatePdu)aPdu).getEntityLocation();
- System.out.print(" EID:[" + eid.getSite() + ", " + eid.getApplication() + ", " + eid.getEntity() + "] ");
- System.out.print(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
- }
- System.out.println();
- } // end trop through PDU bundle
-
- } // end while
- } // End try
- catch (Exception e) {
-
- System.out.println(e);
- }
-
-
- } // end main
-} // end class
diff --git a/projects/Assignments/homework3/AngelBlank/ABEspduReceiverB.java b/projects/Assignments/homework3/AngelBlank/ABEspduReceiverB.java
deleted file mode 100644
index 07c9b290455af164b3475b829ae44598eb20179b..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/AngelBlank/ABEspduReceiverB.java
+++ /dev/null
@@ -1,76 +0,0 @@
-package AngelBlank;
-
-
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.disutil.*;
-import edu.nps.moves.dis.*;
-
-/**
- * Receives PDUs from the network in IEEE format.
- *
- * @author DMcG
- * @version $Id:$
- */
-public class ABEspduReceiverB {
-
- /** 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;
-
- public static final String GROUP = "239.1.2.3";
-
- public static void main(String args[]) {
- MulticastSocket socket;
- DatagramPacket packet;
- InetAddress address;
- PduFactory pduFactory = new PduFactory();
-
- try {
- // Specify the socket to receive data
- socket = new MulticastSocket(3000);
- socket.setBroadcast(true);
-
-
- address = InetAddress.getByName(GROUP);
- socket.joinGroup(address);
-
- // Loop infinitely, receiving datagrams
- while (true) {
- byte buffer[] = new byte[MAX_PDU_SIZE];
- packet = new DatagramPacket(buffer, buffer.length);
-
- socket.receive(packet);
-
- List<Pdu> pduBundle = pduFactory.getPdusFromBundle(packet.getData());
- System.out.println("Bundle size is " + pduBundle.size());
-
- Iterator it = pduBundle.iterator();
-
- while(it.hasNext())
- {
- Pdu aPdu = (Pdu)it.next();
-
- System.out.print("got PDU of type: " + aPdu.getClass().getName());
- if(aPdu instanceof EntityStatePdu)
- {
- EntityID eid = ((EntityStatePdu)aPdu).getEntityID();
- Vector3Double position = ((EntityStatePdu)aPdu).getEntityLocation();
- System.out.print(" EID:[" + eid.getSite() + ", " + eid.getApplication() + ", " + eid.getEntity() + "] ");
- System.out.print(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
- }
- System.out.println();
- } // end trop through PDU bundle
-
- } // end while
- } // End try
- catch (Exception e) {
-
- System.out.println(e);
- }
-
-
- } // end main
-} // end class
diff --git a/projects/Assignments/homework3/AngelBlank/ABEspduSenderA.java b/projects/Assignments/homework3/AngelBlank/ABEspduSenderA.java
deleted file mode 100644
index 4a6391b7681db3fb44248bfaa2bb652298b00ca8..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/AngelBlank/ABEspduSenderA.java
+++ /dev/null
@@ -1,324 +0,0 @@
-package AngelBlank;
-
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.dis.*;
-import edu.nps.moves.disutil.CoordinateConversions;
-import edu.nps.moves.disutil.DisTime;
-
-/**
- * Creates and sends ESPDUs in IEEE binary format.
- *
- * @author DMcG
- */
-public class ABEspduSenderA
-{
- public static final int NUMBER_TO_SEND = 5000;
-
- public enum NetworkMode{UNICAST, MULTICAST, BROADCAST};
-
- /** default multicast group we send on */
- public static final String DEFAULT_MULTICAST_GROUP="239.1.2.3";
-
- /** Port we send on */
- public static final int DIS_DESTINATION_PORT = 3000;
-
-/** 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 mcast.
- * To determine bcast destination IP, use an online bcast address
- * caclulator, for example http://www.remotemonitoringsystems.ca/broadcast.php
- * If in mcast mode, a join() will be done on the mcast address.
- * port: port used for both source and destination.
- * @param args
- */
-public static void main(String args[])
-{
- /** an entity state pdu */
- EntityStatePdu espdu = new EntityStatePdu();
- MulticastSocket socket = null;
- DisTime disTime = DisTime.getInstance();
- int alternator = -1;
-
- // ICBM coordinates for my office
- double lat = 36.595517;
- double lon = -121.877000;
-
-
- // Default settings. These are used if no system properties are set.
- // If system properties are passed in, these are over ridden.
- int port = DIS_DESTINATION_PORT;
- NetworkMode mode = NetworkMode.MULTICAST;
- InetAddress destinationIp = null;
-
- try
- {
- destinationIp = InetAddress.getByName(DEFAULT_MULTICAST_GROUP);
- }
- catch(Exception 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 a socket to send information
- try
- {
- // Port we send to
- if(portString != null)
- port = Integer.parseInt(portString);
-
- socket = new MulticastSocket(port);
-
- // Where we send packets to, the destination IP address
- if(destinationIpString != null)
- {
- destinationIp = InetAddress.getByName(destinationIpString);
- }
-
- // Type of transport: unicast, broadcast, or multicast
- if(networkModeString != null)
- {
- if(networkModeString.equalsIgnoreCase("unicast"))
- mode = NetworkMode.UNICAST;
- else if(networkModeString.equalsIgnoreCase("broadcast"))
- mode = NetworkMode.BROADCAST;
- else if(networkModeString.equalsIgnoreCase("multicast"))
- {
- mode = NetworkMode.MULTICAST;
- if(!destinationIp.isMulticastAddress())
- {
- throw new RuntimeException("Sending to multicast address, but destination address " + destinationIp.toString() + "is not multicast");
- }
-
- socket.joinGroup(destinationIp);
-
- }
- } // end networkModeString
- }
- catch(Exception e)
- {
- System.out.println("Unable to initialize networking. Exiting.");
- System.out.println(e);
- System.exit(-1);
- }
-
- // 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((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 eid = espdu.getEntityID();
- eid.setSite(1); // 0 is apparently not a valid site number, per the spec
- eid.setApplication(1);
- eid.setEntity(2);
-
- // 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.
- EntityType entityType = espdu.getEntityType();
- entityType.setEntityKind((short)1); // Platform (vs lifeform, munition, sensor, etc.)
- entityType.setCountry(225); // USA
- entityType.setDomain((short)1); // Land (vs air, surface, subsurface, space)
- entityType.setCategory((short)1); // Tank
- entityType.setSubcategory((short)1); // M1 Abrams
- entityType.setSpec((short)3); // M1A2 Abrams
-
-
- Set<InetAddress> bcastAddresses = getBroadcastAddresses();
- // Loop through sending N ESPDUs
- try
- {
- System.out.println("Sending " + NUMBER_TO_SEND + " ESPDU packets to " + destinationIp.toString());
- for(int idx = 0; idx < NUMBER_TO_SEND; idx++)
- {
- // DIS time is a pain in the ass. 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 ts = disTime.getDisAbsoluteTimestamp();
- espdu.setTimestamp(ts);
-
- // 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)(idx));
- lon = lon + (direction * 0.00006);
- System.out.println(lon);
-
- double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(lat, lon, 1.0);
- Vector3Double location = espdu.getEntityLocation();
- location.setX(disCoordinates[0]);
- location.setY(disCoordinates[1]);
- location.setZ(disCoordinates[2]);
- System.out.println("lat, lon:" + lat + ", " + lon);
- System.out.println("DIS coord:" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2]);
-
- // 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);
- espdu.marshal(dos);
-
- FirePdu fire = new FirePdu();
- byte[] fireArray = fire.marshal();
-
- // The byte array here is the packet in DIS format. We put that into a
- // datagram and send it.
- byte[] data = baos.toByteArray();
-
- bcastAddresses = getBroadcastAddresses();
- Iterator it = bcastAddresses.iterator();
- while(it.hasNext())
- {
- InetAddress bcast = (InetAddress)it.next();
- System.out.println("Sending bcast to " + bcast);
- DatagramPacket packet = new DatagramPacket(data, data.length, bcast, 3000);
- socket.send(packet);
- packet = new DatagramPacket(fireArray, fireArray.length, bcast, 3000);
- //socket.send(packet);
- }
-
- // Send every 1 sec. Otherwise this will be all over in a fraction of a second.
- Thread.sleep(3000);
-
- location = espdu.getEntityLocation();
-
- System.out.println("Espdu #" + idx + " EID=[" + eid.getSite() + "," + eid.getApplication() + "," + eid.getEntity() + "]");
- System.out.println(" DIS coordinates location=[" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
- double c[] = {location.getX(), location.getY(), location.getZ()};
- double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
-// System.out.println(" Location (lat/lon/alt): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]");
-
- }
- }
- catch(Exception e)
- {
- System.out.println(e);
- }
-
-}
-
- /**
- * A number of sites get all snippy about using 255.255.255.255 for a bcast
- * address; it trips their security software and they kick you off their
- * network. (Comcast, NPS.) This determines the bcast address for all
- * connected interfaces, based on the IP and subnet mask. If you have
- * a dual-homed host it will return a bcast address for both. If you have
- * some VMs running on your host this will pick up the addresses for those
- * as well--eg 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 bcast addresses
- */
- public static Set<InetAddress> getBroadcastAddresses()
- {
- Set<InetAddress> bcastAddresses = new HashSet<InetAddress>();
- Enumeration interfaces;
-
- try
- {
- interfaces = NetworkInterface.getNetworkInterfaces();
-
- while(interfaces.hasMoreElements())
- {
- NetworkInterface anInterface = (NetworkInterface)interfaces.nextElement();
-
- if(anInterface.isUp())
- {
- Iterator it = anInterface.getInterfaceAddresses().iterator();
- while(it.hasNext())
- {
- InterfaceAddress anAddress = (InterfaceAddress)it.next();
- if((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
- continue;
-
- //System.out.println("Getting bcast address for " + anAddress);
- InetAddress abcast = anAddress.getBroadcast();
- if(abcast != null)
- bcastAddresses.add(abcast);
- }
- }
- }
-
- }
- catch(Exception e)
- {
- e.printStackTrace();
- System.out.println(e);
- }
-
- return bcastAddresses;
- }
-
-}
diff --git a/projects/Assignments/homework3/AngelBlank/ABEspduSenderB.java b/projects/Assignments/homework3/AngelBlank/ABEspduSenderB.java
deleted file mode 100644
index c562c08720f8393185c735366975a341e6231bb8..0000000000000000000000000000000000000000
--- a/projects/Assignments/homework3/AngelBlank/ABEspduSenderB.java
+++ /dev/null
@@ -1,323 +0,0 @@
-package AngelBlank;
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.dis.*;
-import edu.nps.moves.disutil.CoordinateConversions;
-import edu.nps.moves.disutil.DisTime;
-
-/**
- * Creates and sends ESPDUs in IEEE binary format.
- *
- * @author DMcG
- */
-public class ABEspduSenderB
-{
- public static final int NUMBER_TO_SEND = 5000;
-
- public enum NetworkMode{UNICAST, MULTICAST, BROADCAST};
-
- /** default multicast group we send on */
- public static final String DEFAULT_MULTICAST_GROUP = "239.1.2.3";
-
- /** Port we send on */
- public static final int DIS_DESTINATION_PORT = 3000;
-
-/** 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 mcast.
- * To determine bcast destination IP, use an online bcast address
- * caclulator, for example http://www.remotemonitoringsystems.ca/broadcast.php
- * If in mcast mode, a join() will be done on the mcast address.
- * port: port used for both source and destination.
- * @param args
- */
-public static void main(String args[])
-{
- /** an entity state pdu */
- EntityStatePdu espdu = new EntityStatePdu();
- MulticastSocket socket = null;
- DisTime disTime = DisTime.getInstance();
- int alternator = -1;
-
- // ICBM coordinates for my office
- double lat = 36.595517;
- double lon = -121.877000;
-
-
- // Default settings. These are used if no system properties are set.
- // If system properties are passed in, these are over ridden.
- int port = DIS_DESTINATION_PORT;
- NetworkMode mode = NetworkMode.MULTICAST;
- InetAddress destinationIp = null;
-
- try
- {
- destinationIp = InetAddress.getByName(DEFAULT_MULTICAST_GROUP);
- }
- catch(Exception 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 a socket to send information
- try
- {
- // Port we send to
- if(portString != null)
- port = Integer.parseInt(portString);
-
- socket = new MulticastSocket(port);
-
- // Where we send packets to, the destination IP address
- if(destinationIpString != null)
- {
- destinationIp = InetAddress.getByName(destinationIpString);
- }
-
- // Type of transport: unicast, broadcast, or multicast
- if(networkModeString != null)
- {
- if(networkModeString.equalsIgnoreCase("unicast"))
- mode = NetworkMode.UNICAST;
- else if(networkModeString.equalsIgnoreCase("broadcast"))
- mode = NetworkMode.BROADCAST;
- else if(networkModeString.equalsIgnoreCase("multicast"))
- {
- mode = NetworkMode.MULTICAST;
- if(!destinationIp.isMulticastAddress())
- {
- throw new RuntimeException("Sending to multicast address, but destination address " + destinationIp.toString() + "is not multicast");
- }
-
- socket.joinGroup(destinationIp);
-
- }
- } // end networkModeString
- }
- catch(Exception e)
- {
- System.out.println("Unable to initialize networking. Exiting.");
- System.out.println(e);
- System.exit(-1);
- }
-
- // 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((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 eid = espdu.getEntityID();
- eid.setSite(1); // 0 is apparently not a valid site number, per the spec
- eid.setApplication(1);
- eid.setEntity(2);
-
- // 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.
- EntityType entityType = espdu.getEntityType();
- entityType.setEntityKind((short)1); // Platform (vs lifeform, munition, sensor, etc.)
- entityType.setCountry(225); // USA
- entityType.setDomain((short)1); // Land (vs air, surface, subsurface, space)
- entityType.setCategory((short)1); // Tank
- entityType.setSubcategory((short)1); // M1 Abrams
- entityType.setSpec((short)3); // M1A2 Abrams
-
-
- Set<InetAddress> bcastAddresses = getBroadcastAddresses();
- // Loop through sending N ESPDUs
- try
- {
- System.out.println("Sending " + NUMBER_TO_SEND + " ESPDU packets to " + destinationIp.toString());
- for(int idx = 0; idx < NUMBER_TO_SEND; idx++)
- {
- // DIS time is a pain in the ass. 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 ts = disTime.getDisAbsoluteTimestamp();
- espdu.setTimestamp(ts);
-
- // 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)(idx));
- lon = lon + (direction * 0.00006);
- System.out.println(lon);
-
- double disCoordinates[] = CoordinateConversions.getXYZfromLatLonDegrees(lat, lon, 1.0);
- Vector3Double location = espdu.getEntityLocation();
- location.setX(disCoordinates[0]);
- location.setY(disCoordinates[1]);
- location.setZ(disCoordinates[2]);
- System.out.println("lat, lon:" + lat + ", " + lon);
- System.out.println("DIS coord:" + disCoordinates[0] + ", " + disCoordinates[1] + ", " + disCoordinates[2]);
-
- // 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);
- espdu.marshal(dos);
-
- FirePdu fire = new FirePdu();
- byte[] fireArray = fire.marshal();
-
- // The byte array here is the packet in DIS format. We put that into a
- // datagram and send it.
- byte[] data = baos.toByteArray();
-
- bcastAddresses = getBroadcastAddresses();
- Iterator it = bcastAddresses.iterator();
- while(it.hasNext())
- {
- InetAddress bcast = (InetAddress)it.next();
- System.out.println("Sending bcast to " + bcast);
- DatagramPacket packet = new DatagramPacket(data, data.length, bcast, 3000);
- socket.send(packet);
- packet = new DatagramPacket(fireArray, fireArray.length, bcast, 3000);
- //socket.send(packet);
- }
-
- // Send every 1 sec. Otherwise this will be all over in a fraction of a second.
- Thread.sleep(3000);
-
- location = espdu.getEntityLocation();
-
- System.out.println("Espdu #" + idx + " EID=[" + eid.getSite() + "," + eid.getApplication() + "," + eid.getEntity() + "]");
- System.out.println(" DIS coordinates location=[" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
- double c[] = {location.getX(), location.getY(), location.getZ()};
- double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);
-// System.out.println(" Location (lat/lon/alt): [" + lla[0] + ", " + lla[1] + ", " + lla[2] + "]");
-
- }
- }
- catch(Exception e)
- {
- System.out.println(e);
- }
-
-}
-
- /**
- * A number of sites get all snippy about using 255.255.255.255 for a bcast
- * address; it trips their security software and they kick you off their
- * network. (Comcast, NPS.) This determines the bcast address for all
- * connected interfaces, based on the IP and subnet mask. If you have
- * a dual-homed host it will return a bcast address for both. If you have
- * some VMs running on your host this will pick up the addresses for those
- * as well--eg 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 bcast addresses
- */
- public static Set<InetAddress> getBroadcastAddresses()
- {
- Set<InetAddress> bcastAddresses = new HashSet<InetAddress>();
- Enumeration interfaces;
-
- try
- {
- interfaces = NetworkInterface.getNetworkInterfaces();
-
- while(interfaces.hasMoreElements())
- {
- NetworkInterface anInterface = (NetworkInterface)interfaces.nextElement();
-
- if(anInterface.isUp())
- {
- Iterator it = anInterface.getInterfaceAddresses().iterator();
- while(it.hasNext())
- {
- InterfaceAddress anAddress = (InterfaceAddress)it.next();
- if((anAddress == null || anAddress.getAddress().isLinkLocalAddress()))
- continue;
-
- //System.out.println("Getting bcast address for " + anAddress);
- InetAddress abcast = anAddress.getBroadcast();
- if(abcast != null)
- bcastAddresses.add(abcast);
- }
- }
- }
-
- }
- catch(Exception e)
- {
- e.printStackTrace();
- System.out.println(e);
- }
-
- return bcastAddresses;
- }
-
-}