diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduReceiver.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduReceiver.java
new file mode 100644
index 0000000000000000000000000000000000000000..d392171749dbe10d24091aaa45ddf654f1af7133
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduReceiver.java
@@ -0,0 +1,80 @@
+package MV3500Cohort2019JulySeptember.homework4.Yurkovich;
+
+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 AllPduReceiver
+{
+ public static final int DEFAULT_MULTICAST_PORT = AllPduSender.DEFAULT_MULTICAST_PORT;
+ public static final String DEFAULT_MULTICAST_ADDRESS = AllPduSender.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/Yurkovich/AllPduReceiverLog.txt b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduReceiverLog.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f4b8b485d888ff06fddd51dcde9e6c93237f4e68
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduReceiverLog.txt
@@ -0,0 +1,85 @@
+Invocation instructions:
+1. run or debug AllPduReceiver.java
+2. send PDUs from another program such as AllPduSender.java (shown here)
+3. kill process console when complete.
+
+Program response:
+
+===================================================
+
+DisExamplesOpenDis7.AllPduReceiver started...
+Usage: AllPduReceiver <port> <multicast group>
+Default: AllPduReceiver 3000 239.1.2.3
+received DIS PDU 1 ENTITY_STATE of type edu.nps.moves.dis7.EntityStatePdu (protocolFamily ENTITY_INFORMATION_INTERACTION)
+received DIS PDU 2 FIRE of type edu.nps.moves.dis7.FirePdu (protocolFamily WARFARE)
+received DIS PDU 3 DETONATION of type edu.nps.moves.dis7.DetonationPdu (protocolFamily WARFARE)
+received DIS PDU 4 COLLISION of type edu.nps.moves.dis7.CollisionPdu (protocolFamily ENTITY_INFORMATION_INTERACTION)
+received DIS PDU 5 SERVICE_REQUEST of type edu.nps.moves.dis7.ServiceRequestPdu (protocolFamily LOGISTICS)
+received DIS PDU 6 RESUPPLY_OFFER of type edu.nps.moves.dis7.ResupplyOfferPdu (protocolFamily LOGISTICS)
+received DIS PDU 7 RESUPPLY_RECEIVED of type edu.nps.moves.dis7.ResupplyReceivedPdu (protocolFamily LOGISTICS)
+received DIS PDU 8 RESUPPLY_CANCEL of type edu.nps.moves.dis7.ResupplyCancelPdu (protocolFamily LOGISTICS)
+received DIS PDU 9 REPAIR_COMPLETE of type edu.nps.moves.dis7.RepairCompletePdu (protocolFamily LOGISTICS)
+received DIS PDU 10 REPAIR_RESPONSE of type edu.nps.moves.dis7.RepairResponsePdu (protocolFamily LOGISTICS)
+received DIS PDU 11 CREATE_ENTITY of type edu.nps.moves.dis7.CreateEntityPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 12 REMOVE_ENTITY of type edu.nps.moves.dis7.RemoveEntityPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 13 START_RESUME of type edu.nps.moves.dis7.StartResumePdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 14 STOP_FREEZE of type edu.nps.moves.dis7.StopFreezePdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 15 ACKNOWLEDGE of type edu.nps.moves.dis7.AcknowledgePdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 16 ACTION_REQUEST of type edu.nps.moves.dis7.ActionRequestPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 17 ACTION_RESPONSE of type edu.nps.moves.dis7.ActionResponsePdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 18 DATA_QUERY of type edu.nps.moves.dis7.DataQueryPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 19 SET_DATA of type edu.nps.moves.dis7.SetDataPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 20 DATA of type edu.nps.moves.dis7.DataPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 21 EVENT_REPORT of type edu.nps.moves.dis7.EventReportPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 22 COMMENT of type edu.nps.moves.dis7.CommentPdu (protocolFamily SIMULATION_MANAGEMENT)
+received DIS PDU 23 ELECTROMAGNETIC_EMISSION of type edu.nps.moves.dis7.ElectromagneticEmissionPdu (protocolFamily DISTRIBUTED_EMISSION_REGENERATION)
+received DIS PDU 24 DESIGNATOR of type edu.nps.moves.dis7.DesignatorPdu (protocolFamily DISTRIBUTED_EMISSION_REGENERATION)
+received DIS PDU 25 TRANSMITTER of type edu.nps.moves.dis7.TransmitterPdu (protocolFamily RADIO_COMMUNICATIONS)
+received DIS PDU 26 SIGNAL of type edu.nps.moves.dis7.SignalPdu (protocolFamily RADIO_COMMUNICATIONS)
+received DIS PDU 27 RECEIVER of type edu.nps.moves.dis7.ReceiverPdu (protocolFamily RADIO_COMMUNICATIONS)
+received DIS PDU 28 IDENTIFICATION_FRIEND_OR_FOE of type edu.nps.moves.dis7.IFFPdu (protocolFamily DISTRIBUTED_EMISSION_REGENERATION)
+received DIS PDU 29 UNDERWATER_ACOUSTIC of type edu.nps.moves.dis7.UnderwaterAcousticPdu (protocolFamily DISTRIBUTED_EMISSION_REGENERATION)
+received DIS PDU 30 SUPPLEMENTAL_EMISSION_ENTITY_STATE of type edu.nps.moves.dis7.SEESPdu (protocolFamily DISTRIBUTED_EMISSION_REGENERATION)
+received DIS PDU 31 INTERCOM_SIGNAL of type edu.nps.moves.dis7.IntercomSignalPdu (protocolFamily RADIO_COMMUNICATIONS)
+received DIS PDU 32 INTERCOM_CONTROL of type edu.nps.moves.dis7.IntercomControlPdu (protocolFamily RADIO_COMMUNICATIONS)
+received DIS PDU 33 AGGREGATE_STATE of type edu.nps.moves.dis7.AggregateStatePdu (protocolFamily ENTITY_MANAGEMENT)
+received DIS PDU 34 ISGROUPOF of type edu.nps.moves.dis7.IsGroupOfPdu (protocolFamily ENTITY_MANAGEMENT)
+received DIS PDU 35 TRANSFER_OWNERSHIP of type edu.nps.moves.dis7.TransferOwnershipPdu (protocolFamily ENTITY_MANAGEMENT)
+received DIS PDU 36 ISPARTOF of type edu.nps.moves.dis7.IsPartOfPdu (protocolFamily ENTITY_MANAGEMENT)
+received DIS PDU 37 MINEFIELD_STATE of type edu.nps.moves.dis7.MinefieldStatePdu (protocolFamily MINEFIELD)
+received DIS PDU 38 MINEFIELD_QUERY of type edu.nps.moves.dis7.MinefieldQueryPdu (protocolFamily MINEFIELD)
+received DIS PDU 39 MINEFIELD_DATA of type edu.nps.moves.dis7.MinefieldDataPdu (protocolFamily MINEFIELD)
+received DIS PDU 40 MINEFIELD_RESPONSE_NACK of type edu.nps.moves.dis7.MinefieldResponseNACKPdu (protocolFamily MINEFIELD)
+received DIS PDU 41 ENVIRONMENTAL_PROCESS of type edu.nps.moves.dis7.EnvironmentalProcessPdu (protocolFamily SYNTHETIC_ENVIRONMENT)
+received DIS PDU 42 GRIDDED_DATA of type edu.nps.moves.dis7.GriddedDataPdu (protocolFamily SYNTHETIC_ENVIRONMENT)
+received DIS PDU 43 POINT_OBJECT_STATE of type edu.nps.moves.dis7.PointObjectStatePdu (protocolFamily SYNTHETIC_ENVIRONMENT)
+received DIS PDU 44 LINEAR_OBJECT_STATE of type edu.nps.moves.dis7.LinearObjectStatePdu (protocolFamily SYNTHETIC_ENVIRONMENT)
+received DIS PDU 45 AREAL_OBJECT_STATE of type edu.nps.moves.dis7.ArealObjectStatePdu (protocolFamily SYNTHETIC_ENVIRONMENT)
+received DIS PDU 46 TIME_SPACE_POSITION_INFORMATION of type edu.nps.moves.dis7.TSPIPdu (protocolFamily LIVE_ENTITY_LE_INFORMATION_INTERACTION)
+received DIS PDU 47 APPEARANCE of type edu.nps.moves.dis7.AppearancePdu (protocolFamily LIVE_ENTITY_LE_INFORMATION_INTERACTION)
+received DIS PDU 48 ARTICULATED_PARTS of type edu.nps.moves.dis7.ArticulatedPartsPdu (protocolFamily LIVE_ENTITY_LE_INFORMATION_INTERACTION)
+received DIS PDU 49 LIVE_ENTITY_FIRE of type edu.nps.moves.dis7.LEFirePdu (protocolFamily LIVE_ENTITY_LE_INFORMATION_INTERACTION)
+received DIS PDU 50 LIVE_ENTITY_DETONATION of type edu.nps.moves.dis7.LEDetonationPdu (protocolFamily LIVE_ENTITY_LE_INFORMATION_INTERACTION)
+received DIS PDU 51 CREATE_ENTITY_RELIABLE of type edu.nps.moves.dis7.CreateEntityReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 52 REMOVE_ENTITY_RELIABLE of type edu.nps.moves.dis7.RemoveEntityReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 53 START_RESUME_RELIABLE of type edu.nps.moves.dis7.StartResumeReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 54 STOP_FREEZE_RELIABLE of type edu.nps.moves.dis7.StopFreezeReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 55 ACKNOWLEDGE_RELIABLE of type edu.nps.moves.dis7.AcknowledgeReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 56 ACTION_REQUEST_RELIABLE of type edu.nps.moves.dis7.ActionRequestReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 57 ACTION_RESPONSE_RELIABLE of type edu.nps.moves.dis7.ActionResponseReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 58 DATA_QUERY_RELIABLE of type edu.nps.moves.dis7.DataQueryReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 59 SET_DATA_RELIABLE of type edu.nps.moves.dis7.SetDataReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 60 DATA_RELIABLE of type edu.nps.moves.dis7.DataReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 61 EVENT_REPORT_RELIABLE of type edu.nps.moves.dis7.EventReportReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 62 COMMENT_RELIABLE of type edu.nps.moves.dis7.CommentReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 63 RECORD_RELIABLE of type edu.nps.moves.dis7.RecordReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 64 SET_RECORD_RELIABLE of type edu.nps.moves.dis7.SetRecordReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 65 RECORD_QUERY_RELIABLE of type edu.nps.moves.dis7.RecordQueryReliablePdu (protocolFamily SIMULATION_MANAGEMENT_WITH_RELIABILITY)
+received DIS PDU 66 COLLISION_ELASTIC of type edu.nps.moves.dis7.CollisionElasticPdu (protocolFamily ENTITY_INFORMATION_INTERACTION)
+received DIS PDU 67 ENTITY_STATE_UPDATE of type edu.nps.moves.dis7.EntityStateUpdatePdu (protocolFamily ENTITY_INFORMATION_INTERACTION)
+received DIS PDU 68 DIRECTED_ENERGY_FIRE of type edu.nps.moves.dis7.DirectedEnergyFirePdu (protocolFamily WARFARE)
+received DIS PDU 69 ENTITY_DAMAGE_STATUS of type edu.nps.moves.dis7.EntityDamageStatusPdu (protocolFamily WARFARE)
+received DIS PDU 70 INFORMATION_OPERATIONS_ACTION of type edu.nps.moves.dis7.InformationOperationsActionPdu (protocolFamily INFORMATION_OPERATIONS)
+received DIS PDU 71 INFORMATION_OPERATIONS_REPORT of type edu.nps.moves.dis7.InformationOperationsReportPdu (protocolFamily INFORMATION_OPERATIONS)
+received DIS PDU 72 ATTRIBUTE of type edu.nps.moves.dis7.AttributePdu (protocolFamily ENTITY_INFORMATION_INTERACTION)
+BUILD STOPPED (total time: 53 seconds)
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduSender.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduSender.java
new file mode 100755
index 0000000000000000000000000000000000000000..7f61aba447176c373bb54da774873f606f815158
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduSender.java
@@ -0,0 +1,449 @@
+package MV3500Cohort2019JulySeptember.homework4.Yurkovich;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.*;
+import edu.nps.moves.dis7.enumerations.*;
+
+/**
+ * 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 AllPduSender
+{
+ /** 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 AllPduSender(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 newCommentPdu = (CommentPdu)aPdu;
+ 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)
+ {
+ AllPduSender sender = new AllPduSender(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);
+ AllPduSender sender = new AllPduSender(DEFAULT_MULTICAST_PORT, DEFAULT_MULTICAST_ADDRESS);
+ sender.run();
+ }
+ System.out.println("DisExamplesOpenDis7.AllPduSender complete.");
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduSenderLog.txt b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduSenderLog.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ecca4d4a42dc1f491cacf7eb8a56bf2a152f5be1
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/AllPduSenderLog.txt
@@ -0,0 +1,87 @@
+Invocation instructions:
+1. run or debug AllPduSender.java
+
+Program response:
+
+===================================================
+
+Usage: AllPduSender <port> <multicast group>
+Default: AllPduSender 3000 239.1.2.3
+DisExamplesOpenDis7.AllPduSender started...
+Generate PDUs and note issues, if any...
+*** Note: DISPDUType.OTHER not supported
+Send the 72 PDUs we created...
+Sent DIS PDU 1 ENTITY_STATE of type edu.nps.moves.dis7.EntityStatePdu
+Sent DIS PDU 2 FIRE of type edu.nps.moves.dis7.FirePdu
+Sent DIS PDU 3 DETONATION of type edu.nps.moves.dis7.DetonationPdu
+Sent DIS PDU 4 COLLISION of type edu.nps.moves.dis7.CollisionPdu
+Sent DIS PDU 5 SERVICE_REQUEST of type edu.nps.moves.dis7.ServiceRequestPdu
+Sent DIS PDU 6 RESUPPLY_OFFER of type edu.nps.moves.dis7.ResupplyOfferPdu
+Sent DIS PDU 7 RESUPPLY_RECEIVED of type edu.nps.moves.dis7.ResupplyReceivedPdu
+Sent DIS PDU 8 RESUPPLY_CANCEL of type edu.nps.moves.dis7.ResupplyCancelPdu
+Sent DIS PDU 9 REPAIR_COMPLETE of type edu.nps.moves.dis7.RepairCompletePdu
+Sent DIS PDU 10 REPAIR_RESPONSE of type edu.nps.moves.dis7.RepairResponsePdu
+Sent DIS PDU 11 CREATE_ENTITY of type edu.nps.moves.dis7.CreateEntityPdu
+Sent DIS PDU 12 REMOVE_ENTITY of type edu.nps.moves.dis7.RemoveEntityPdu
+Sent DIS PDU 13 START_RESUME of type edu.nps.moves.dis7.StartResumePdu
+Sent DIS PDU 14 STOP_FREEZE of type edu.nps.moves.dis7.StopFreezePdu
+Sent DIS PDU 15 ACKNOWLEDGE of type edu.nps.moves.dis7.AcknowledgePdu
+Sent DIS PDU 16 ACTION_REQUEST of type edu.nps.moves.dis7.ActionRequestPdu
+Sent DIS PDU 17 ACTION_RESPONSE of type edu.nps.moves.dis7.ActionResponsePdu
+Sent DIS PDU 18 DATA_QUERY of type edu.nps.moves.dis7.DataQueryPdu
+Sent DIS PDU 19 SET_DATA of type edu.nps.moves.dis7.SetDataPdu
+Sent DIS PDU 20 DATA of type edu.nps.moves.dis7.DataPdu
+Sent DIS PDU 21 EVENT_REPORT of type edu.nps.moves.dis7.EventReportPdu
+Sent DIS PDU 22 COMMENT of type edu.nps.moves.dis7.CommentPdu
+Sent DIS PDU 23 ELECTROMAGNETIC_EMISSION of type edu.nps.moves.dis7.ElectromagneticEmissionPdu
+Sent DIS PDU 24 DESIGNATOR of type edu.nps.moves.dis7.DesignatorPdu
+Sent DIS PDU 25 TRANSMITTER of type edu.nps.moves.dis7.TransmitterPdu
+Sent DIS PDU 26 SIGNAL of type edu.nps.moves.dis7.SignalPdu
+Sent DIS PDU 27 RECEIVER of type edu.nps.moves.dis7.ReceiverPdu
+Sent DIS PDU 28 IDENTIFICATION_FRIEND_OR_FOE of type edu.nps.moves.dis7.IdentificationFriendOrFoePdu
+Sent DIS PDU 29 UNDERWATER_ACOUSTIC of type edu.nps.moves.dis7.UnderwaterAcousticPdu
+Sent DIS PDU 30 SUPPLEMENTAL_EMISSION_ENTITY_STATE of type edu.nps.moves.dis7.SupplementalEmissionEntityStatePdu
+Sent DIS PDU 31 INTERCOM_SIGNAL of type edu.nps.moves.dis7.IntercomSignalPdu
+Sent DIS PDU 32 INTERCOM_CONTROL of type edu.nps.moves.dis7.IntercomControlPdu
+Sent DIS PDU 33 AGGREGATE_STATE of type edu.nps.moves.dis7.AggregateStatePdu
+Sent DIS PDU 34 ISGROUPOF of type edu.nps.moves.dis7.IsGroupOfPdu
+Sent DIS PDU 35 TRANSFER_OWNERSHIP of type edu.nps.moves.dis7.TransferOwnershipPdu
+Sent DIS PDU 36 ISPARTOF of type edu.nps.moves.dis7.IsPartOfPdu
+Sent DIS PDU 37 MINEFIELD_STATE of type edu.nps.moves.dis7.MinefieldStatePdu
+Sent DIS PDU 38 MINEFIELD_QUERY of type edu.nps.moves.dis7.MinefieldQueryPdu
+Sent DIS PDU 39 MINEFIELD_DATA of type edu.nps.moves.dis7.MinefieldDataPdu
+Sent DIS PDU 40 MINEFIELD_RESPONSE_NACK of type edu.nps.moves.dis7.MinefieldResponseNACKPdu
+Sent DIS PDU 41 ENVIRONMENTAL_PROCESS of type edu.nps.moves.dis7.EnvironmentalProcessPdu
+Sent DIS PDU 42 GRIDDED_DATA of type edu.nps.moves.dis7.GriddedDataPdu
+Sent DIS PDU 43 POINT_OBJECT_STATE of type edu.nps.moves.dis7.PointObjectStatePdu
+Sent DIS PDU 44 LINEAR_OBJECT_STATE of type edu.nps.moves.dis7.LinearObjectStatePdu
+Sent DIS PDU 45 AREAL_OBJECT_STATE of type edu.nps.moves.dis7.ArealObjectStatePdu
+Sent DIS PDU 46 TIME_SPACE_POSITION_INFORMATION of type edu.nps.moves.dis7.TimeSpacePositionInformationPdu
+Sent DIS PDU 47 APPEARANCE of type edu.nps.moves.dis7.AppearancePdu
+Sent DIS PDU 48 ARTICULATED_PARTS of type edu.nps.moves.dis7.ArticulatedPartsPdu
+Sent DIS PDU 49 LIVE_ENTITY_FIRE of type edu.nps.moves.dis7.LiveEntityFirePdu
+Sent DIS PDU 50 LIVE_ENTITY_DETONATION of type edu.nps.moves.dis7.LiveEntityDetonationPdu
+Sent DIS PDU 51 CREATE_ENTITY_RELIABLE of type edu.nps.moves.dis7.CreateEntityReliablePdu
+Sent DIS PDU 52 REMOVE_ENTITY_RELIABLE of type edu.nps.moves.dis7.RemoveEntityReliablePdu
+Sent DIS PDU 53 START_RESUME_RELIABLE of type edu.nps.moves.dis7.StartResumeReliablePdu
+Sent DIS PDU 54 STOP_FREEZE_RELIABLE of type edu.nps.moves.dis7.StopFreezeReliablePdu
+Sent DIS PDU 55 ACKNOWLEDGE_RELIABLE of type edu.nps.moves.dis7.AcknowledgeReliablePdu
+Sent DIS PDU 56 ACTION_REQUEST_RELIABLE of type edu.nps.moves.dis7.ActionRequestReliablePdu
+Sent DIS PDU 57 ACTION_RESPONSE_RELIABLE of type edu.nps.moves.dis7.ActionResponseReliablePdu
+Sent DIS PDU 58 DATA_QUERY_RELIABLE of type edu.nps.moves.dis7.DataQueryReliablePdu
+Sent DIS PDU 59 SET_DATA_RELIABLE of type edu.nps.moves.dis7.SetDataReliablePdu
+Sent DIS PDU 60 DATA_RELIABLE of type edu.nps.moves.dis7.DataReliablePdu
+Sent DIS PDU 61 EVENT_REPORT_RELIABLE of type edu.nps.moves.dis7.EventReportReliablePdu
+Sent DIS PDU 62 COMMENT_RELIABLE of type edu.nps.moves.dis7.CommentReliablePdu
+Sent DIS PDU 63 RECORD_RELIABLE of type edu.nps.moves.dis7.RecordReliablePdu
+Sent DIS PDU 64 SET_RECORD_RELIABLE of type edu.nps.moves.dis7.SetRecordReliablePdu
+Sent DIS PDU 65 RECORD_QUERY_RELIABLE of type edu.nps.moves.dis7.RecordQueryReliablePdu
+Sent DIS PDU 66 COLLISION_ELASTIC of type edu.nps.moves.dis7.CollisionElasticPdu
+Sent DIS PDU 67 ENTITY_STATE_UPDATE of type edu.nps.moves.dis7.EntityStateUpdatePdu
+Sent DIS PDU 68 DIRECTED_ENERGY_FIRE of type edu.nps.moves.dis7.DirectedEnergyFirePdu
+Sent DIS PDU 69 ENTITY_DAMAGE_STATUS of type edu.nps.moves.dis7.EntityDamageStatusPdu
+Sent DIS PDU 70 INFORMATION_OPERATIONS_ACTION of type edu.nps.moves.dis7.InformationOperationsActionPdu
+Sent DIS PDU 71 INFORMATION_OPERATIONS_REPORT of type edu.nps.moves.dis7.InformationOperationsReportPdu
+Sent DIS PDU 72 ATTRIBUTE of type edu.nps.moves.dis7.AttributePdu
+DisExamplesOpenDis7.AllPduSender complete.
+BUILD SUCCESSFUL (total time: 8 seconds)
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduReceiver.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduReceiver.java
new file mode 100755
index 0000000000000000000000000000000000000000..286587d6f479032da084285ec3267f96ce18aac5
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduReceiver.java
@@ -0,0 +1,93 @@
+package MV3500Cohort2019JulySeptember.homework4.Yurkovich;
+
+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 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;
+
+ /** Default multicast group address we send on. */
+ public static final String DEFAULT_MULTICAST_ADDRESS = EspduSender.DEFAULT_MULTICAST_ADDRESS;
+
+ /** Default multicast port used, matches Wireshark DIS capture default */
+ public static final int DEFAULT_MULTICAST_PORT = EspduSender.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/Yurkovich/EspduSender.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduSender.java
new file mode 100644
index 0000000000000000000000000000000000000000..d181d66badccccd0c8ad1f2cdba78922e7c47715
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduSender.java
@@ -0,0 +1,347 @@
+package MV3500Cohort2019JulySeptember.homework4.Yurkovich;
+
+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 EspduSender
+{
+ 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;
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduTerminalLog.txt b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduTerminalLog.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4dba55c8530bae5461a83ec84f731824570291d1
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/EspduTerminalLog.txt
@@ -0,0 +1,136 @@
+Invocation instructions:
+1. run/debug EspduReceiver.java (since sender does not block, first be ready to listen)
+2. run/debug EspduSender.java
+
+Program responses, sender and receiver:
+
+===================================================
+run:
+
+
+DisExamplesOpenDis7.EspduSender started...
+Sending 5 sets of packets:
+===============
+Create new PDUs
+ latitude, longitude: [36.595517, -121.87693999999999]
+ coordinate conversion: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+Espdu #0 entityID=[1,2,3]
+Sending espdu datagram packet to /127.255.255.255
+Sending fire datagram packet to /127.255.255.255
+Sending espdu datagram packet to /172.20.221.218
+Sending fire datagram packet to /172.20.221.218
+Sending espdu datagram packet to /10.0.0.255
+Sending fire datagram packet to /10.0.0.255
+===============
+Create new PDUs
+ latitude, longitude: [36.595517, -121.877]
+ coordinate conversion: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+Espdu #1 entityID=[1,2,3]
+Sending espdu datagram packet to /127.255.255.255
+Sending fire datagram packet to /127.255.255.255
+Sending espdu datagram packet to /172.20.221.218
+Sending fire datagram packet to /172.20.221.218
+Sending espdu datagram packet to /10.0.0.255
+Sending fire datagram packet to /10.0.0.255
+===============
+Create new PDUs
+ latitude, longitude: [36.595517, -121.87693999999999]
+ coordinate conversion: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+Espdu #2 entityID=[1,2,3]
+Sending espdu datagram packet to /127.255.255.255
+Sending fire datagram packet to /127.255.255.255
+Sending espdu datagram packet to /172.20.221.218
+Sending fire datagram packet to /172.20.221.218
+Sending espdu datagram packet to /10.0.0.255
+Sending fire datagram packet to /10.0.0.255
+===============
+Create new PDUs
+ latitude, longitude: [36.595517, -121.877]
+ coordinate conversion: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+Espdu #3 entityID=[1,2,3]
+Sending espdu datagram packet to /127.255.255.255
+Sending fire datagram packet to /127.255.255.255
+Sending espdu datagram packet to /172.20.221.218
+Sending fire datagram packet to /172.20.221.218
+Sending espdu datagram packet to /10.0.0.255
+Sending fire datagram packet to /10.0.0.255
+===============
+Create new PDUs
+ latitude, longitude: [36.595517, -121.87693999999999]
+ coordinate conversion: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+Espdu #4 entityID=[1,2,3]
+Sending espdu datagram packet to /127.255.255.255
+Sending fire datagram packet to /127.255.255.255
+Sending espdu datagram packet to /172.20.221.218
+Sending fire datagram packet to /172.20.221.218
+Sending espdu datagram packet to /10.0.0.255
+Sending fire datagram packet to /10.0.0.255
+===============
+DisExamplesOpenDis7.EspduSender complete.
+BUILD SUCCESSFUL (total time: 8 seconds)
+
+===================================================
+
+DisExamplesOpenDis7.EspduReceiver started...
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707492.9269245286, -4353663.899966802, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+===============
+received PDU type 1=ENTITY_STATE edu.nps.moves.dis7.EntityStatePdu
+ entityID triplet: [1, 2, 3]
+ Location in DIS coordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+received PDU type 2=FIRE edu.nps.moves.dis7.FirePdu
+ FirePdu locationInWorldCoordinates: [-2707488.3677768684, -4353666.735244378, 3781450.3202754413]
+
+===================================================
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduListenerSaver.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduListenerSaver.java
new file mode 100644
index 0000000000000000000000000000000000000000..4fc9370b799f10ac9eeeccf09731b83928b7ba8b
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduListenerSaver.java
@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 2008-2019, MOVES Institute, Naval Postgraduate School. All rights reserved.
+ * This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
+ */
+package MV3500Cohort2019JulySeptember.homework4.Yurkovich;
+
+import edu.nps.moves.dis7.util.playerrecorder.Recorder;
+import java.io.IOException;
+import java.util.Scanner;
+
+/**
+ * PduSaver.java created on Aug 21, 2019
+ * MOVES Institute Naval Postgraduate School, Monterey, CA, USA www.nps.edu
+ *
+ * @author Mike Bailey, jmbailey@nps.edu
+ * @version $Id$
+ */
+public class PduListenerSaver
+{
+ private final static String DEFAULT_OUTPUTDIR = "./pduLog";
+ private final static String MCAST_ADDR = "239.1.2.3";
+ private final static int DIS_PORT = 3000;
+
+ private enum mystate
+ {
+ RUNNING,
+ PAUSED;
+ }
+
+ public static void main(String[] args)
+ {
+ String outDir = DEFAULT_OUTPUTDIR;
+ String mcast = MCAST_ADDR;
+ int port = DIS_PORT;
+
+ switch (args.length) {
+ case 0:
+ break;
+ case 1:
+ outDir = args[0];
+ break;
+ case 3:
+ outDir = args[0];
+ mcast = args[1];
+ port = Integer.parseInt(args[2]);
+ break;
+ default:
+ System.err.println("Usage: PduListener() or PduListener(\"outputdir\") or PduListener(\"outputdir\",\"multicast address\", ipPort");
+ System.exit(1);
+ }
+
+ System.out.println("Beginning pdu save to directory " + outDir);
+ try {
+ Recorder recorder = new Recorder(outDir, mcast, port);
+
+ recorder.startResume();
+ mystate state = mystate.RUNNING;
+ Scanner scan = new Scanner(System.in);
+
+ while (true) {
+ System.out.println("Type p/enter to pause, r/enter to resume, q/enter to quit");
+ String line = scan.nextLine();
+ if (line.equalsIgnoreCase("p") && state == mystate.RUNNING) {
+ recorder.stopPause();
+ state = mystate.PAUSED;
+ }
+ else if (line.equalsIgnoreCase("r") && state == mystate.PAUSED) {
+ recorder.startResume();
+ state = mystate.RUNNING;
+ }
+ else if (line.equalsIgnoreCase("q")) {
+ recorder.end();
+ break;
+ }
+ }
+ System.out.println("Ending pdu save to "+recorder.getLogFile());
+ }
+ catch (IOException ex) {
+ System.err.println("Exception: " + ex.getClass().getSimpleName() + ": " + ex.getLocalizedMessage());
+ }
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduReaderPlayer.java b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduReaderPlayer.java
new file mode 100644
index 0000000000000000000000000000000000000000..62f917bd55fb301ef7671fc1d3793c708c232eb4
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduReaderPlayer.java
@@ -0,0 +1,86 @@
+/**
+ * Copyright (c) 2008-2019, MOVES Institute, Naval Postgraduate School. All rights reserved.
+ * This work is licensed under the BSD open source license, available at https://www.movesinstitute.org/licenses/bsd.html
+ */
+package MV3500Cohort2019JulySeptember.homework4.Yurkovich;
+
+import edu.nps.moves.dis7.util.playerrecorder.Player;
+import java.io.File;
+import java.io.IOException;
+import java.util.Scanner;
+
+/**
+ * PduSaver.java created on Aug 21, 2019
+ * MOVES Institute Naval Postgraduate School, Monterey, CA, USA www.nps.edu
+ *
+ * @author Mike Bailey, jmbailey@nps.edu
+ * @version $Id$
+ */
+public class PduReaderPlayer
+{
+ private final static String DEFAULT_OUTPUTDIR = "pduLog";
+ private final static String MCAST_ADDR = "239.1.2.3";
+ private final static int DIS_PORT = 3000;
+
+ private enum mystate
+ {
+ RUNNING,
+ PAUSED;
+ }
+
+ public static void main(String[] args)
+ {
+ String outDir = DEFAULT_OUTPUTDIR;
+ String mcast = MCAST_ADDR;
+ int port = DIS_PORT;
+
+ System.out.println("DisExamplesOpenDis7.PduReaderPlayer started...");
+
+ switch (args.length) {
+ case 0:
+ break;
+ case 1:
+ outDir = args[0];
+ break;
+ case 3:
+ outDir = args[0];
+ mcast = args[1];
+ port = Integer.parseInt(args[2]);
+ break;
+ default:
+ System.err.println("Usage: PduReaderPlayer() or PduReaderPlayer(\"outputdir\") or PduReaderPlayer(\"outputdir\",\"multicast address\", ipPort");
+ System.exit(1);
+ }
+
+ System.out.println("Beginning pdu playback from directory " + outDir);
+ try {
+ Player player = new Player(mcast, port, new File(outDir).toPath());
+ player.startResume();
+ mystate state = mystate.RUNNING;
+ Scanner scan = new Scanner(System.in);
+
+ while (true) {
+ System.out.println("Type p/enter to pause, r/enter to resume, q/enter to quit");
+ String line = scan.nextLine();
+ if (line.equalsIgnoreCase("p") && state == mystate.RUNNING) {
+ player.stopPause();
+ state = mystate.PAUSED;
+ }
+ else if (line.equalsIgnoreCase("r") && state == mystate.PAUSED) {
+ player.startResume();
+ state = mystate.RUNNING;
+ }
+ else if (line.equalsIgnoreCase("q")) {
+ player.end();
+ break;
+ }
+ }
+ System.out.println("Ending pdu files playback for directory " + outDir);
+ System.out.println("DisExamplesOpenDis7.PduReaderPlayer complete.");
+ System.exit(0); // not sure why this is necessary with Netbeans...
+ }
+ catch (IOException ex) {
+ System.err.println("Exception: " + ex.getClass().getSimpleName() + ": " + ex.getLocalizedMessage());
+ }
+ }
+}
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduReaderPlayerLog.txt b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduReaderPlayerLog.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c6a4361a8bd52edb1b201b3d1fa30f04e886f5a
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/PduReaderPlayerLog.txt
@@ -0,0 +1,24 @@
+Invocation instructions:
+
+0. check for existence of recorded files in directory, e.g. examples/pduLog/Pdusave.dislog
+1. first running AllPduReceiver can confirm that DIS replay actually occurs.
+2. run or debug PduReaderPlayer.java
+3. Type p/enter to pause, r/enter to resume, q/enter to quit
+
+Program response:
+
+===================================================
+
+DisExamplesOpenDis7.PduReaderPlayer started...
+Beginning pdu playback from directory pduLog
+Replaying DIS logs.
+Replaying C:\x-nps-gitlab\NetworkedGraphicsMV3500\examples\pduLog\Pdusave.dislog
+Beginning of DIS capture file, Pdusave.dislog.
+Type p/enter to pause, r/enter to resume, q/enter to quit
+72
+End of replay from Pdusave.dislog
+End of DIS capture file, Pdusave.dislog.
+q
+Ending pdu files playback for directory pduLog
+DisExamplesOpenDis7.PduReaderPlayer complete.
+BUILD SUCCESSFUL (total time: 20 seconds)
\ No newline at end of file
diff --git a/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/README.md b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..89d90724bc17cff98112589508dcace4ba72345a
--- /dev/null
+++ b/assignments/src/MV3500Cohort2019JulySeptember/homework4/Yurkovich/README.md
@@ -0,0 +1,7 @@
+# DIS Protocol Examples using Open-DIS-Java Library v7
+
+TODO under development!
+
+Course examples using the [Open-DIS-Java](https://github.com/open-dis/open-dis-java) library are presented in this package.
+
+See [specifications](../../../specifications) directory to obtain reference copies of DIS and RPRFOM standards.