From 6f81e5b7021c3e24b7c39de629a8dec1190252da Mon Sep 17 00:00:00 2001
From: Tobias <tobias.brennenstuhl.gy@nps.edu>
Date: Tue, 3 Sep 2019 19:56:15 -0700
Subject: [PATCH] Merge origin/master
Conflicts:
assignments/ReportingForDuty.md
---
.../BrennenstuhlEspduReceiver.java | 93 ++++
.../Brennenstuhl/BrennenstuhlPduReceiver.java | 80 ----
.../Brennenstuhl/BrennenstuhlPduSender.java | 453 ------------------
.../BrennenstuhllEspduSender.java | 347 ++++++++++++++
4 files changed, 440 insertions(+), 533 deletions(-)
create mode 100755 assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlEspduReceiver.java
delete mode 100644 assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlPduReceiver.java
delete mode 100755 assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlPduSender.java
create mode 100644 assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhllEspduSender.java
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlEspduReceiver.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlEspduReceiver.java
new file mode 100755
index 0000000000..9c60e93950
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlEspduReceiver.java
@@ -0,0 +1,93 @@
+package MV3500Cohort2019JulySeptember.homework4.Brennenstuhl;
+
+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 $Id:$
+ */
+public class BrennenstuhlEspduReceiver
+{
+ /** 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+ * somewhat outdated--PDUs can be larger--but this is a reasonable starting point.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 = BrennenstuhllEspduSender.DEFAULT_MULTICAST_ADDRESS;
+
+ /** Default multicast port used, matches Wireshark DIS capture default */
+ public static final int DEFAULT_MULTICAST_PORT = BrennenstuhllEspduSender.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();
+ System.out.println(" entityID triplet: [" + entityID.getSiteID()+ ", " + entityID.getApplicationID()+ ", " + entityID.getEntityID()+ "] ");
+ System.out.println(" Location in DIS coordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+ }
+ else if (aPdu instanceof FirePdu)
+ {
+ System.out.println(receiptMessage);
+ Vector3Double position = ((FirePdu)aPdu).getLocationInWorldCoordinates();
+ System.out.println(" FirePdu locationInWorldCoordinates: [" + position.getX() + ", " + position.getY() + ", " + position.getZ() + "]");
+
+ }
+ 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/Brennenstuhl/BrennenstuhlPduReceiver.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlPduReceiver.java
deleted file mode 100644
index 971d8620a5..0000000000
--- a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlPduReceiver.java
+++ /dev/null
@@ -1,80 +0,0 @@
-package MV3500Cohort2019JulySeptember.homework4.Brennenstuhl;
-
-import java.net.*;
-import java.io.*;
-
-import edu.nps.moves.dis7.*;
-import edu.nps.moves.dis7.enumerations.*;
-import edu.nps.moves.dis7.util.*;
-
-public class BrennenstuhlPduReceiver
-{
- public static final int DEFAULT_MULTICAST_PORT = BrennenstuhlPduSender.DEFAULT_MULTICAST_PORT;
- public static final String DEFAULT_MULTICAST_ADDRESS = BrennenstuhlPduSender.DEFAULT_MULTICAST_ADDRESS;
- public static final boolean USE_FAST_ESPDU = false;
-
- public static void main(String args[])
- {
- PduFactory factory;
- MulticastSocket socket;
- InetAddress address;
- DatagramPacket packet;
-
- try {
- System.out.println("DisExamplesOpenDis7.AllPduReceiver started...");
- if (args.length == 2) {
- socket = new MulticastSocket(Integer.parseInt(args[0]));
- address = InetAddress.getByName(args[1]);
- }
- else {
- System.out.println("Usage: AllPduReceiver <port> <multicast group>");
- System.out.println("Default: AllPduReceiver " + DEFAULT_MULTICAST_PORT + " " + DEFAULT_MULTICAST_ADDRESS);
- socket = new MulticastSocket(DEFAULT_MULTICAST_PORT);
- address = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
- }
- socket.joinGroup(address);
-
- factory = new PduFactory();
-
- while (true) // Loop infinitely, receiving datagrams
- {
- byte buffer[] = new byte[1500]; // typical MTU size
-
- packet = new DatagramPacket(buffer, buffer.length); // reset
-
- socket.receive(packet);
-
- Pdu pdu = factory.createPdu(packet.getData());
- if (pdu != null) {
- DISPDUType currentPduType = pdu.getPduType(); //short currentPduType = pdu.getPduType();
- String currentPduTypeName = pdu.getClass().getName();
- DISProtocolFamily currentProtocolFamilyID = pdu.getProtocolFamily(); //short currentProtocolFamilyID = pdu.getProtocolFamily();
- String currentPduFamilyName = pdu.getClass().getSuperclass().getSimpleName();
-
- StringBuilder message = new StringBuilder();
- message.append("received DIS PDU ");
- if (currentPduType.getValue() < 10)
- message.append(" ");
- message.append(currentPduType.getValue());
- String currentPduTypePadded = String.format("%-34s", currentPduType); // - indicates right padding of whitespace
- message.append(" " ).append(currentPduTypePadded);
- String currentPduTypeNamePadded = String.format("%-49s", currentPduTypeName); // - indicates right padding of whitespace
- message.append(" of type ").append(currentPduTypeNamePadded); // package.class name
- message.append(" (protocolFamily ").append(currentProtocolFamilyID);
-// message.append(" ").append(currentPduFamilyName); // class name is also available
- message.append(")");
- System.out.println(message.toString());
- }
- else
- System.out.println("received packet but pdu is null, packet.getData().length=" + packet.getData().length + ", error...");
- }
- }
- catch (IOException e) {
- System.out.println("Problem with DisExamplesOpenDis7.AllPduReceiver, see exception trace:");
- System.out.println(e);
- }
- finally {
- System.out.println("DisExamplesOpenDis7.AllPduReceiver complete.");
- }
- }
-}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlPduSender.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlPduSender.java
deleted file mode 100755
index ca8e9bf458..0000000000
--- a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhlPduSender.java
+++ /dev/null
@@ -1,453 +0,0 @@
-package MV3500Cohort2019JulySeptember.homework4.Brennenstuhl;
-
-import java.io.*;
-import java.net.*;
-import java.util.*;
-
-import edu.nps.moves.dis7.*;
-import edu.nps.moves.dis7.enumerations.*;
-import javax.swing.text.html.parser.Entity;
-
-/**
- * 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 BrennenstuhlPduSender
-{
- /** 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;
-
- private int port;
- InetAddress multicastAddress;
-
- public BrennenstuhlPduSender(int port, String multicast) {
- try
- {
- this.port = port;
- multicastAddress = InetAddress.getByName(multicast);
- if (!multicastAddress.isMulticastAddress())
- {
- System.out.println("Not a multicast address: " + multicast);
- }
- }
- catch (UnknownHostException e) {
- System.out.println("Unable to open socket: " + e);
- }
- }
-
- public void run()
- {
-
- System.out.println("DisExamplesOpenDis7.AllPduSender started...");
- try
- {
- System.out.println("Generate PDUs and note issues, if any...");
- List<Pdu> generatedPdusList = new ArrayList<>();
-
- // Loop through all the enumerated PDU types, create a PDU for each type,
- // add that PDU to generatedPdusList, and send each one
- for (DISPDUType pdu : DISPDUType.values())
- {
-// System.out.println("PDU " + pdu.getValue() + " " + pdu.name() + " " + pdu.getDescription()); // diagnostic
-
- Pdu aPdu = null; // edu.​nps.​moves7.​dis.PDU superclass for all PDUs, in preparation for custom assignment
-
- try {
- switch (pdu) // using enumeration values from edu.​nps.​moves.​dis7.​enumerations.​DISPDUType
- {
- case OTHER: // 0
- System.out.println ("*** Note: DISPDUType." + pdu.name() + " not supported"); // TODO why was this received?
- // nothing to send
- break;
-
- case ENTITY_STATE: // 1
- aPdu = new EntityStatePdu();
-
- EntityStatePdu espdu = (EntityStatePdu) aPdu;
- EntityMarking entityMarking = new EntityMarking ();
- entityMarking.setCharacters("AllPduSender".getBytes()); //entityMarking.setCharacters(Byte.valueOf("0")); // 11 characters max?
-
- espdu.setMarking(entityMarking);
- Vector3Double espduLocation = new Vector3Double();
- espduLocation.setX(1.0);
- espduLocation.setY(2.0);
- espduLocation.setZ(3.0);
- espdu.setEntityLocation(espduLocation);
- // it is important to identify questions as you think of them
- // TODO how to set azimuth, i.e. course direction over ground?
- break;
-
- case FIRE: // 2
- aPdu = new FirePdu();
- break;
-
- case DETONATION: // 3
- aPdu = new DetonationPdu();
- break;
-
- case COLLISION: // 4
- aPdu = new CollisionPdu();
- break;
-
- case SERVICE_REQUEST: // 5
- aPdu = new ServiceRequestPdu();
- break;
-
- case RESUPPLY_OFFER: // 6
- aPdu = new ResupplyOfferPdu();
- break;
-
- case RESUPPLY_RECEIVED: // 7
- aPdu = new ResupplyReceivedPdu();
- break;
-
- case RESUPPLY_CANCEL: //8
- aPdu = new ResupplyCancelPdu();
- break;
-
- case REPAIR_COMPLETE: // 9
- aPdu = new RepairCompletePdu();
- break;
-
- case REPAIR_RESPONSE: // 10
- aPdu = new RepairResponsePdu();
- break;
-
- case CREATE_ENTITY: // 11
- aPdu = new CreateEntityPdu();
- break;
-
- case REMOVE_ENTITY: // 12
- aPdu = new RemoveEntityPdu();
- break;
-
- case START_RESUME: // 13
- aPdu = new StartResumePdu();
- break;
-
- case STOP_FREEZE: // 14
- aPdu = new StopFreezePdu();
- break;
-
- case ACKNOWLEDGE: // 15
- aPdu = new AcknowledgePdu();
- break;
-
- case ACTION_REQUEST: // 16
- aPdu = new ActionRequestPdu();
- break;
-
- case ACTION_RESPONSE: // 17
- aPdu = new ActionResponsePdu();
- break;
-
- case DATA_QUERY: // 18
- aPdu = new DataQueryPdu();
- break;
-
- case SET_DATA: // 19
- aPdu = new SetDataPdu();
- break;
-
- case DATA: // 20
- aPdu = new DataPdu();
- break;
-
- case EVENT_REPORT: // 21
- aPdu = new EventReportPdu();
- break;
-
- case ELECTROMAGNETIC_EMISSION: // 23
- aPdu = new ElectromagneticEmissionPdu();
- break;
-
- case DESIGNATOR: // 24
- aPdu = new DesignatorPdu();
- break;
-
- case TRANSMITTER: // 25
- aPdu = new TransmitterPdu();
- break;
-
- case SIGNAL: // 26
- aPdu = new SignalPdu();
- break;
-
- case RECEIVER: // 27
- aPdu = new ReceiverPdu();
- break;
-
- case IDENTIFICATION_FRIEND_OR_FOE: // 28
- aPdu = new IdentificationFriendOrFoePdu();
- break;
-
- case UNDERWATER_ACOUSTIC: // 29
- aPdu = new UnderwaterAcousticPdu();
- break;
-
- case SUPPLEMENTAL_EMISSION_ENTITY_STATE: // 30
- aPdu = new SupplementalEmissionEntityStatePdu();
- break;
-
- case INTERCOM_SIGNAL: // 31
- aPdu = new IntercomSignalPdu();
- break;
-
- case INTERCOM_CONTROL: // 32
- aPdu = new IntercomControlPdu();
- break;
-
- case AGGREGATE_STATE: // 33
- aPdu = new AggregateStatePdu();
- break;
-
- case ISGROUPOF: // 34
- aPdu = new IsGroupOfPdu();
- break;
-
- case TRANSFER_OWNERSHIP: // 35
- aPdu = new TransferOwnershipPdu();
- break;
-
- case ISPARTOF: // 36
- aPdu = new IsPartOfPdu();
- break;
-
- case MINEFIELD_STATE: // 37
- aPdu = new MinefieldStatePdu();
- break;
-
- case MINEFIELD_QUERY: // 38
- aPdu = new MinefieldQueryPdu();
- break;
-
- case MINEFIELD_DATA: // 39
- aPdu = new MinefieldDataPdu();
- break;
-
- case MINEFIELD_RESPONSE_NACK: // 40
- aPdu = new MinefieldResponseNACKPdu();
- break;
-
- case ENVIRONMENTAL_PROCESS: // 41
- aPdu = new EnvironmentalProcessPdu();
- break;
-
- case GRIDDED_DATA: // 42
- aPdu = new GriddedDataPdu();
- break;
-
- case POINT_OBJECT_STATE: // 43
- aPdu = new PointObjectStatePdu();
- break;
-
- case LINEAR_OBJECT_STATE: // 44
- aPdu = new LinearObjectStatePdu();
- break;
-
- case AREAL_OBJECT_STATE: // 45
- aPdu = new ArealObjectStatePdu();
- break;
-
- case TIME_SPACE_POSITION_INFORMATION: // 46
- aPdu = new TimeSpacePositionInformationPdu();
- break;
-
- case APPEARANCE: // 47
- aPdu = new AppearancePdu();
- break;
-
- case ARTICULATED_PARTS: // 48
- aPdu = new ArticulatedPartsPdu();
- break;
-
- case LIVE_ENTITY_FIRE: // 49
- aPdu = new LiveEntityFirePdu();
- break;
-
- case LIVE_ENTITY_DETONATION: // 50
- aPdu = new LiveEntityDetonationPdu();
- break;
-
- case CREATE_ENTITY_RELIABLE: // 51
- aPdu = new CreateEntityReliablePdu();
- break;
-
- case REMOVE_ENTITY_RELIABLE: // 52
- aPdu = new RemoveEntityReliablePdu();
- break;
-
- case START_RESUME_RELIABLE: // 53
- aPdu = new StartResumeReliablePdu();
- break;
-
- case STOP_FREEZE_RELIABLE: // 54
- aPdu = new StopFreezeReliablePdu();
- break;
-
- case ACKNOWLEDGE_RELIABLE: // 55
- aPdu = new AcknowledgeReliablePdu();
- break;
-
- case ACTION_REQUEST_RELIABLE: // 56
- aPdu = new ActionRequestReliablePdu();
- break;
-
- case ACTION_RESPONSE_RELIABLE: // 57
- aPdu = new ActionResponseReliablePdu();
- break;
-
- case DATA_QUERY_RELIABLE: // 58
- aPdu = new DataQueryReliablePdu();
- break;
-
- case SET_DATA_RELIABLE: // 59
- aPdu = new SetDataReliablePdu();
- break;
-
- case DATA_RELIABLE: // 60
- aPdu = new DataReliablePdu();
- break;
-
- case EVENT_REPORT_RELIABLE: // 61
- aPdu = new EventReportReliablePdu();
- break;
-
- case COMMENT_RELIABLE: // 62
- aPdu = new CommentReliablePdu();
- break;
-
- case RECORD_RELIABLE: // 63
- aPdu = new RecordReliablePdu();
- break;
-
- case SET_RECORD_RELIABLE: // 64
- aPdu = new SetRecordReliablePdu();
- break;
-
- case RECORD_QUERY_RELIABLE: // 65
- aPdu = new RecordQueryReliablePdu();
- break;
-
- case COLLISION_ELASTIC: // 66
- aPdu = new CollisionElasticPdu();
- break;
-
- case ENTITY_STATE_UPDATE: // 67
- aPdu = new EntityStateUpdatePdu();
- break;
-
- case DIRECTED_ENERGY_FIRE: // 68
- aPdu = new DirectedEnergyFirePdu();
- break;
-
- case ENTITY_DAMAGE_STATUS: // 69
- aPdu = new EntityDamageStatusPdu();
- break;
-
- case INFORMATION_OPERATIONS_ACTION: // 70
- aPdu = new InformationOperationsActionPdu();
- break;
-
- case INFORMATION_OPERATIONS_REPORT: // 71
- aPdu = new InformationOperationsReportPdu();
- break;
-
- case ATTRIBUTE: // 72
- aPdu = new AttributePdu();
- break;
-
- case COMMENT:
- aPdu = new CommentPdu();
- CommentPdu chuckNorris = (CommentPdu)aPdu;
- chuckNorris.setExerciseID((byte)0);
- //chuckNorris.setOriginatingID(ChuckNorrisEntityID);
- VariableDatum newVariableDatum = new VariableDatum();
- // etc. see Garrett and Pete's code
- break;
-
- default:
- System.out.println("*** Warning: PDU " + pdu.getValue() + " " + pdu + " not supported, created or sent ");
-
- // code generation block for this class follows:
-// System.out.println(" case " + pdu + ": // " + pdu.getValue());
-// System.out.println(" aPdu = new " + pdu.getDescription().replace(" ","").replace("-","").replace("/","") +
-// "Pdu();");
-// System.out.println(" break;");
-// System.out.println();
- }
- if (aPdu != null)
- {
- generatedPdusList.add(aPdu);
- }
- }
- catch (Exception e)
- {
- System.out.print("Exception thrown for PDU " + pdu.getValue() + " " + pdu);
- System.out.print(Arrays.toString(e.getStackTrace()));
- // continue looping
- }
- }
- // Send the PDUs we created
- System.out.println("Send the " + generatedPdusList.size() + " PDUs we created...");
-
- InetAddress localMulticastAddress = InetAddress.getByName(DEFAULT_MULTICAST_ADDRESS);
- MulticastSocket socket = new MulticastSocket(DEFAULT_MULTICAST_PORT);
- socket.joinGroup(localMulticastAddress);
-
- for (int idx = 0; idx < generatedPdusList.size(); idx++)
- {
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- DataOutputStream dos = new DataOutputStream(baos);
- byte[] buffer;
-
- Pdu aPdu = generatedPdusList.get(idx);
- aPdu.marshal(dos);
-
- buffer = baos.toByteArray();
- DatagramPacket packet = new DatagramPacket(buffer, buffer.length, localMulticastAddress, DEFAULT_MULTICAST_PORT);
- socket.send(packet);
- try {
- Thread.sleep(100L);
- } catch (InterruptedException ex) {
- }
- String currentPduTypeValuePadded = String.format("%2s", aPdu.getPduType().getValue());
- String currentPduTypePadded = String.format("%-34s", aPdu.getPduType()); // - indicates right padding of whitespace
- System.out.print ("Sent DIS PDU " + currentPduTypeValuePadded + " " + currentPduTypePadded );
- System.out.println(" of type " + aPdu.getClass().getName());
- }
- // write the PDUs out to an XML file.
- //PduContainer container = new PduContainer();
- //container.setPdus(generatedPdus);
- //container.marshallToXml("examplePdus.xml");
- }
- catch (IOException e)
- {
- System.out.println(e);
- }
- }
-
- public static void main(String args[])
- {
- if (args.length == 2)
- {
- BrennenstuhlPduSender sender = new BrennenstuhlPduSender(Integer.parseInt(args[0]), args[1]);
- sender.run();
- }
- else
- {
- System.out.println("Usage: AllPduSender <port> <multicast group>");
- System.out.println("Default: AllPduSender " + DEFAULT_MULTICAST_PORT + " " + DEFAULT_MULTICAST_ADDRESS);
- BrennenstuhlPduSender sender = new BrennenstuhlPduSender(DEFAULT_MULTICAST_PORT, DEFAULT_MULTICAST_ADDRESS);
- sender.run();
- }
- System.out.println("DisExamplesOpenDis7.AllPduSender complete.");
- }
-}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhllEspduSender.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhllEspduSender.java
new file mode 100644
index 0000000000..545e4de7ab
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Brennenstuhl/BrennenstuhllEspduSender.java
@@ -0,0 +1,347 @@
+package MV3500Cohort2019JulySeptember.homework4.Brennenstuhl;
+
+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;
+
+/**
+ * Creates and sends ESPDUs in IEEE binary format. Adapted from OpenDIS library
+ * example package edu.nps.moves.examples
+ *
+ * @author Don McGregor
+ * @author Don Brutzman
+ */
+public class BrennenstuhllEspduSender
+{
+ 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("DisExamplesOpenDis7.EspduSender 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();
+
+ // ICBM coordinates for my office
+ double latitude = 36.595517;
+ double longitude = -121.877000;
+ 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;
+ }
+}
--
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