diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework3/Chojnacki/ExampleSimulationProgram.java b/assignments/src/MV3500Cohort2023MarchJune/homework3/Chojnacki/ExampleSimulationProgram.java index 5de984e28e10b7fa3c6c5071a14563c54ddf4c44..8b3bd05a31393d3281e2d1a682bf1fc6d7af64f4 100644 --- a/assignments/src/MV3500Cohort2023MarchJune/homework3/Chojnacki/ExampleSimulationProgram.java +++ b/assignments/src/MV3500Cohort2023MarchJune/homework3/Chojnacki/ExampleSimulationProgram.java @@ -1,11 +1,14 @@ /** * Copyright (c) 2008-2021, MOVES Institute, Naval Postgraduate School (NPS). All rights reserved. * This work is provided under a BSD open-source license, see project license.html and license.txt - * - * This Program is a modified version of ExampleSimulationProgram in order to see the + * + * This Program is a modified version of ExampleSimulationProgram in order to see the * verbose plain text pdu log. This simulates a firewall identifying a malicious packet * and tracing its source before destroying it. * + * and tracing its source before destroying it - updated September 12, 2021 to ensure + * correct file pushed to Gitlab. + * * @author Bruce Chojnacki */ package MV3500Cohort2023MarchJune.homework3.Chojnacki; @@ -19,19 +22,21 @@ import java.util.ArrayList; import java.util.logging.Level; import java.util.logging.Logger; -/** The purpose of this program is to provide an easily modifiable example simulation program - * that includes DIS-capable entities doing tasks and reporting them to the network. - * Default settings include PDU recording turned on by default. +/** + * The purpose of this program is to provide an easily modifiable example + * simulation program that includes DIS-capable entities doing tasks and + * reporting them to the network. Default settings include PDU recording turned + * on by default. */ -public class ExampleSimulationProgram -{ - private boolean verboseComments = true; - static final String NETWORK_ADDRESS_DEFAULT = "239.1.2.3"; - static final int NETWORK_PORT_DEFAULT = 3000; - static String networkAddress = NETWORK_ADDRESS_DEFAULT; - static int networkPort = NETWORK_PORT_DEFAULT; - String DEFAULT_OUTPUT_DIRECTORY = "./pduLog"; - +public class ExampleSimulationProgram { + + private boolean verboseComments = true; + static final String NETWORK_ADDRESS_DEFAULT = "239.1.2.3"; + static final int NETWORK_PORT_DEFAULT = 3000; + static String networkAddress = NETWORK_ADDRESS_DEFAULT; + static int networkPort = NETWORK_PORT_DEFAULT; + String DEFAULT_OUTPUT_DIRECTORY = "./pduLog"; + private EntityID createFriendFireWall() { EntityID FNFireWallID = new EntityID(); // 1.1.225.1.1.1 Platform,Cyber,USA,FireWall FNFireWallID.setSiteID(13); @@ -39,7 +44,7 @@ public class ExampleSimulationProgram FNFireWallID.setEntityID(103); return FNFireWallID; } - + private EntityType createFriendFireWallType() { EntityType FNFireWallType = new EntityType(); FNFireWallType.setEntityKind(EntityKind.PLATFORM); @@ -50,15 +55,15 @@ public class ExampleSimulationProgram FNFireWallType.setSpecific(1); return FNFireWallType; } - - private EntityID createMalPacket() { + + private EntityID createMalPacket() { EntityID MalPacketID = new EntityID(); // 1.1.45.1.7.1 Platform,Cyber,China,MaliciousPacket MalPacketID.setSiteID(66); MalPacketID.setApplicationID(666); MalPacketID.setEntityID(6666); return MalPacketID; } - + private EntityType createMalPacketType() { EntityType MalPacketType = new EntityType(); MalPacketType.setEntityKind(EntityKind.PLATFORM); @@ -69,7 +74,7 @@ public class ExampleSimulationProgram MalPacketType.setSpecific(1); return MalPacketType; } - + private MunitionDescriptor createTraceroute() { EntityType TracerouteType = new EntityType(); //2.2.225.2.13.1 @@ -86,319 +91,307 @@ public class ExampleSimulationProgram Traceroute.setRate(200); return Traceroute; } - + /** - * This runSimulationLoops() method is for you, a - * programmer-modifiable method for defining and running a new simulation of interest. - * Welcome! Other parts of this program handle bookkeeping and plumbing tasks so that - * you can focus on your model entities and activities. - * Expandable support includes DIS EntityStatePdu, FirePdu and CommentPdu all available for - * modification and sending in a simulation loop. - * Continuous improvement efforts seek to make this program as easy and straightforward - * as possible for DIS simulationists to use and adapt. - * All of the other methods are setup, teardown and configuration that you may find - * interesting, even helpful, but don't really have to worry about. + * This runSimulationLoops() method is for you, a programmer-modifiable + * method for defining and running a new simulation of interest. Welcome! + * Other parts of this program handle bookkeeping and plumbing tasks so that + * you can focus on your model entities and activities. Expandable support + * includes DIS EntityStatePdu, FirePdu and CommentPdu all available for + * modification and sending in a simulation loop. Continuous improvement + * efforts seek to make this program as easy and straightforward as possible + * for DIS simulationists to use and adapt. All of the other methods are + * setup, teardown and configuration that you may find interesting, even + * helpful, but don't really have to worry about. */ @SuppressWarnings("SleepWhileInLoop") // yes we do that - public void runSimulationLoops () - { - try - { - /** seconds for real-time execution (not simulation time, which may or may not be the same) */ - final double SIMULATION_LOOP_DURATION_SECONDS = 1.0; - final int SIMULATION_MAX_LOOP_COUNT = 15; // be deliberate out out there! also avoid infinite loops. - int simulationLoopCount = 0; // variable, initialized at 0 - boolean simulationComplete = false; // sentinel variable as termination condition,, are we done yet? - boolean fireBool = false; - boolean destBool = false; - - // TODO reset clock to zero each time for consistent outputs - - // Your model setup: define participants. who's who in this zoo? - // Assuming you keep track of entity objects... here is some support for for Entity 1. - - // create PDU object for US Firewall and set its values. - //EntityID entityID_1 = new EntityID(); - //entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID; - - EntityStatePdu entityStatePdu_1 = pduFactory.makeEntityStatePdu(); - entityStatePdu_1.setEntityID(createFriendFireWall()); - entityStatePdu_1.setEntityType(createFriendFireWallType()); - entityStatePdu_1.getEntityLocation().setX(0); - entityStatePdu_1.setForceId(ForceID.FRIENDLY); - - // TODO someday, use enumerations; is there a unique site triplet for MOVES Institute? - // create PDU object for Malware Packet and set its values. - //EntityID entityID_2 = new EntityID(); - //entityID_2.setSiteID(4).setApplicationID(5).setEntityID(6); - - EntityStatePdu entityStatePdu_2 = pduFactory.makeEntityStatePdu(); - entityStatePdu_2.setEntityID(createMalPacket()); - entityStatePdu_2.setEntityType(createMalPacketType()); - entityStatePdu_2.getEntityLocation().setX(7); - entityStatePdu_2.setForceId(ForceID.OPPOSING); - - int MalPacketPingsReceived = 0; - - FirePdu firePdu = pduFactory.makeFirePdu(); // for entity 1 first weapon (possible traceroute) - // should we customize this munition? what is it for your simulation? - EntityID fireID = new EntityID(); - fireID.setSiteID(13); - fireID.setApplicationID(43); - fireID.setEntityID(103); - EntityID targetID = new EntityID(); - targetID.setSiteID(66); - targetID.setApplicationID(666); - targetID.setEntityID(6666); - - firePdu.setFiringEntityID(fireID); - firePdu.setTargetEntityID(targetID); - - firePdu.setDescriptor(createTraceroute()); // calling create Traceroute Method - - EntityID TracerouteID = new EntityID(); - TracerouteID.setEntityID(1); - firePdu.setMunitionExpendibleID(TracerouteID); - - CommentReliablePdu MalPacketDestroyedComment = pduFactory.makeCommentReliablePdu("Malware Packet DESTROYED BY Firewall"); - CommentReliablePdu MalPacketDetectedComment = pduFactory.makeCommentReliablePdu("Firewall Detects Malware engage Traceroute"); - - // TODO simulation management PDUs for startup, planning to design special class support - - //DetonationPdu detonationPdu = pduFactory.makeDetonationPdu(); - //detonationPdu.setDescriptor(pDescriptor); - - - // loop the simulation while allowed, programmer can set additional conditions to break out and finish - while (simulationLoopCount < SIMULATION_MAX_LOOP_COUNT) // are we done yet? - { - simulationLoopCount++; // good practice: increment loop counter as first action in that loop - - // ============================================================================================= - // * your own simulation code starts here! * - // ============================================================================================= - - // are there any other variables to modify at the beginning of your loop? - - // compute a track, update an ESPDU, whatever it is that your model is doing... - - // Where is my entity? Insert changes in position; this sample only changes X position. - entityStatePdu_1.getEntityLocation().setX(entityStatePdu_1.getEntityLocation().getX()); // stationary defensive posture - entityStatePdu_2.getEntityLocation().setX(entityStatePdu_2.getEntityLocation().getX() - 1.0); // 1m per timestep - - // decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoot at! - Double range = entityStatePdu_2.getEntityLocation().getX(); - System.out.println("range: " + range + " hops from our Network DMZ!"); - - if (range < 5) { // Range 5 - if (!fireBool) { - sendSinglePdu(MalPacketDetectedComment); - } - fireBool = true; - System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing " + firePdu.getDescriptor().getMunitionType().getDomain() + "." + firePdu.getDescriptor().getMunitionType().getCountry() + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "." + firePdu.getDescriptor().getMunitionType().getSubCategory() + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "." + " at Entity#" + firePdu.getTargetEntityID().getEntityID()); + public void runSimulationLoops() { + try { + /** + * seconds for real-time execution (not simulation time, which may + * or may not be the same) + */ + final double SIMULATION_LOOP_DURATION_SECONDS = 1.0; + final int SIMULATION_MAX_LOOP_COUNT = 15; // be deliberate out out there! also avoid infinite loops. + int simulationLoopCount = 0; // variable, initialized at 0 + boolean simulationComplete = false; // sentinel variable as termination condition,, are we done yet? + boolean fireBool = false; + boolean destBool = false; + + // TODO reset clock to zero each time for consistent outputs + // Your model setup: define participants. who's who in this zoo? + // Assuming you keep track of entity objects... here is some support for for Entity 1. + // create PDU object for US Firewall and set its values. + //EntityID entityID_1 = new EntityID(); + //entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID; + EntityStatePdu entityStatePdu_1 = pduFactory.makeEntityStatePdu(); + entityStatePdu_1.setEntityID(createFriendFireWall()); + entityStatePdu_1.setEntityType(createFriendFireWallType()); + entityStatePdu_1.getEntityLocation().setX(0); + entityStatePdu_1.setForceId(ForceID.FRIENDLY); + + // TODO someday, use enumerations; is there a unique site triplet for MOVES Institute? + // create PDU object for Malware Packet and set its values. + //EntityID entityID_2 = new EntityID(); + //entityID_2.setSiteID(4).setApplicationID(5).setEntityID(6); + EntityStatePdu entityStatePdu_2 = pduFactory.makeEntityStatePdu(); + entityStatePdu_2.setEntityID(createMalPacket()); + entityStatePdu_2.setEntityType(createMalPacketType()); + entityStatePdu_2.getEntityLocation().setX(7); + entityStatePdu_2.setForceId(ForceID.OPPOSING); + + int MalPacketPingsReceived = 0; + + FirePdu firePdu = pduFactory.makeFirePdu(); // for entity 1 first weapon (possible traceroute) + // should we customize this munition? what is it for your simulation? + EntityID fireID = new EntityID(); + fireID.setSiteID(13); + fireID.setApplicationID(43); + fireID.setEntityID(103); + EntityID targetID = new EntityID(); + targetID.setSiteID(66); + targetID.setApplicationID(666); + targetID.setEntityID(6666); + + firePdu.setFiringEntityID(fireID); + firePdu.setTargetEntityID(targetID); + + firePdu.setDescriptor(createTraceroute()); // calling create Traceroute Method + + EntityID TracerouteID = new EntityID(); + TracerouteID.setEntityID(1); + firePdu.setMunitionExpendibleID(TracerouteID); + + CommentReliablePdu MalPacketDestroyedComment = pduFactory.makeCommentReliablePdu("Malware Packet DESTROYED BY Firewall"); + CommentReliablePdu MalPacketDetectedComment = pduFactory.makeCommentReliablePdu("Firewall Detects Malware engage Traceroute"); + + // TODO simulation management PDUs for startup, planning to design special class support + //DetonationPdu detonationPdu = pduFactory.makeDetonationPdu(); + //detonationPdu.setDescriptor(pDescriptor); + // loop the simulation while allowed, programmer can set additional conditions to break out and finish + while (simulationLoopCount < SIMULATION_MAX_LOOP_COUNT) // are we done yet? + { + simulationLoopCount++; // good practice: increment loop counter as first action in that loop + + // ============================================================================================= + // * your own simulation code starts here! * + // ============================================================================================= + // are there any other variables to modify at the beginning of your loop? + // compute a track, update an ESPDU, whatever it is that your model is doing... + // Where is my entity? Insert changes in position; this sample only changes X position. + entityStatePdu_1.getEntityLocation().setX(entityStatePdu_1.getEntityLocation().getX()); // stationary defensive posture + entityStatePdu_2.getEntityLocation().setX(entityStatePdu_2.getEntityLocation().getX() - 1.0); // 1m per timestep + + // decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoot at! + Double range = entityStatePdu_2.getEntityLocation().getX(); + System.out.println("range: " + range + " hops from our Network DMZ!"); + + if (range < 5) { // Range 5 + if (!fireBool) { + sendSinglePdu(MalPacketDetectedComment); + } + fireBool = true; + System.out.println("Entity#" + firePdu.getFiringEntityID().getEntityID() + " is firing " + firePdu.getDescriptor().getMunitionType().getDomain() + "." + firePdu.getDescriptor().getMunitionType().getCountry() + "." + firePdu.getDescriptor().getMunitionType().getCategory() + "." + firePdu.getDescriptor().getMunitionType().getSubCategory() + "." + firePdu.getDescriptor().getMunitionType().getSpecific() + "." + " at Entity#" + firePdu.getTargetEntityID().getEntityID()); - if (firePdu.getTargetEntityID().getEntityID() == 6666) { - MalPacketPingsReceived += 1; - if (MalPacketPingsReceived > 1) { - // The Firewall destroys the MalPacket + if (firePdu.getTargetEntityID().getEntityID() == 6666) { + MalPacketPingsReceived += 1; + if (MalPacketPingsReceived > 1) { + // The Firewall destroys the MalPacket - System.out.println("Malware Packet DESTROYED BY Firewall after " + MalPacketPingsReceived + "pings from the traceroute."); - narrativeMessage4 = "Destroyed MalPacket"; - destBool = true; - simulationComplete = true; + System.out.println("Malware Packet DESTROYED BY Firewall after " + MalPacketPingsReceived + "pings from the traceroute."); + narrativeMessage4 = "Destroyed MalPacket"; + destBool = true; + simulationComplete = true; + } } } - } - // etc. etc. your code goes here for your simulation of interest - - // something happens between my simulation entities, la de da de da... - System.out.println ("Phase complete. Next phase initiating..."); - - - // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending) - narrativeMessage1 = "MV3500 Homework 3 - Simulation Program"; - narrativeMessage2 = "runSimulation() loop " + simulationLoopCount; - narrativeMessage3 = "Simulation Started!"; // intentionally blank for testing - - // your loop termination condition goes here - if (simulationLoopCount > 5) // for example - { - simulationComplete = true; - } - // ============================================================================================= - // * your own simulation code is finished here! * - // ============================================================================================= - - // staying synchronized with timestep: wait duration for elapsed time in this loop - // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes - Thread.sleep((long)(SIMULATION_LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds - System.out.println ("... [Pausing for " + SIMULATION_LOOP_DURATION_SECONDS + " seconds]"); - - // OK now send the status PDUs for this loop, and then continue - System.out.println ("sending PDUs for simulation step " + simulationLoopCount + ", monitor loopback to confirm sent"); - sendAllPdusForLoopTimestep(entityStatePdu_1, firePdu, timeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3); - sendSinglePdu(entityStatePdu_2); // me too i.e. 2! - System.out.println ("... [PDUs successfully sent for this loop]"); - - // =============================== - // loop now finished, check whether to terminate if simulation complete, otherwise continue - if (simulationComplete || (simulationLoopCount > 10000)) // for example; including fail-safe condition is good - { - //sendSinglePdu(detonationPdu); - System.out.println ("... [Termination condition met, simulationComplete=" + simulationComplete + "]"); // ", final loopCount=" + loopCount + - break; - } - } // end of simulation loop - - narrativeMessage2 = "runSimulation() completed successfully"; // all done - sendCommentPdu(narrativeComment, narrativeMessage1, narrativeMessage2, narrativeMessage3); - System.out.println ("... [final CommentPdu successfully sent for simulation]"); - // TODO simulation management PDUs - } - catch (InterruptedException iex) // handle any exception that your code might choose to provoke! - { - Logger.getLogger(ExampleSimulationProgram.class.getName()).log(Level.SEVERE, null, iex); - } + // etc. etc. your code goes here for your simulation of interest + + // something happens between my simulation entities, la de da de da... + System.out.println("Phase complete. Next phase initiating..."); + + // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending) + narrativeMessage1 = "MV3500 Homework 3 - Simulation Program"; + narrativeMessage2 = "runSimulation() loop " + simulationLoopCount; + narrativeMessage3 = "Simulation Started!"; // intentionally blank for testing + + // your loop termination condition goes here + if (simulationLoopCount > 5) // for example + { + simulationComplete = true; + } + // ============================================================================================= + // * your own simulation code is finished here! * + // ============================================================================================= + + // staying synchronized with timestep: wait duration for elapsed time in this loop + // Thread.sleep needs a (long) parameter for milliseconds, which are clumsy to use sometimes + Thread.sleep((long) (SIMULATION_LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds + System.out.println("... [Pausing for " + SIMULATION_LOOP_DURATION_SECONDS + " seconds]"); + + // OK now send the status PDUs for this loop, and then continue + System.out.println("sending PDUs for simulation step " + simulationLoopCount + ", monitor loopback to confirm sent"); + sendAllPdusForLoopTimestep(entityStatePdu_1, firePdu, timeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3); + sendSinglePdu(entityStatePdu_2); // me too i.e. 2! + System.out.println("... [PDUs successfully sent for this loop]"); + + // =============================== + // loop now finished, check whether to terminate if simulation complete, otherwise continue + if (simulationComplete || (simulationLoopCount > 10000)) // for example; including fail-safe condition is good + { + //sendSinglePdu(detonationPdu); + System.out.println("... [Termination condition met, simulationComplete=" + simulationComplete + "]"); // ", final loopCount=" + loopCount + + break; + } + } // end of simulation loop + + narrativeMessage2 = "runSimulation() completed successfully"; // all done + sendCommentPdu(narrativeComment, narrativeMessage1, narrativeMessage2, narrativeMessage3); + System.out.println("... [final CommentPdu successfully sent for simulation]"); + // TODO simulation management PDUs + } catch (InterruptedException iex) // handle any exception that your code might choose to provoke! + { + Logger.getLogger(ExampleSimulationProgram.class.getName()).log(Level.SEVERE, null, iex); + } } /* **************************** infrastructure code, modification is seldom needed ************************* */ - + String narrativeMessage1 = new String(); String narrativeMessage2 = new String(); String narrativeMessage3 = new String(); String narrativeMessage4 = new String(); - + /* VariableRecordType enumerations have potential use with CommentPdu logs */ - /* TODO contrast to EntityType */ + /* TODO contrast to EntityType */ VariableRecordType descriptionComment = VariableRecordType.DESCRIPTION; - VariableRecordType narrativeComment = VariableRecordType.COMPLETE_EVENT_REPORT; - VariableRecordType statusComment = VariableRecordType.APPLICATION_STATUS; - VariableRecordType timeStepComment = VariableRecordType.APPLICATION_TIMESTEP; - VariableRecordType otherComment = VariableRecordType.OTHER; - - /** - * Output prefix to identify this class, helps with logging - */ + VariableRecordType narrativeComment = VariableRecordType.COMPLETE_EVENT_REPORT; + VariableRecordType statusComment = VariableRecordType.APPLICATION_STATUS; + VariableRecordType timeStepComment = VariableRecordType.APPLICATION_TIMESTEP; + VariableRecordType otherComment = VariableRecordType.OTHER; + + /** + * Output prefix to identify this class, helps with logging + */ private final static String TRACE_PREFIX = "[" + ExampleSimulationProgram.class.getName() + "] "; - + // class variables - PduFactory pduFactory = new PduFactory(); - DisThreadedNetworkInterface disNetworkInterface; + PduFactory pduFactory = new PduFactory(); + DisThreadedNetworkInterface disNetworkInterface; DisThreadedNetworkInterface.PduListener pduListener; - Pdu receivedPdu; - PduRecorder pduRecorder; - + Pdu receivedPdu; + PduRecorder pduRecorder; + /** - * Constructor design goal: additional built-in initialization conveniences can go here - * to keep student efforts focused on the runSimulation() method. + * Constructor design goal: additional built-in initialization conveniences + * can go here to keep student efforts focused on the runSimulation() + * method. */ - public ExampleSimulationProgram() - { + public ExampleSimulationProgram() { // Constructor is under consideration. Constructor is not currently needed. } - + /** - * Utility Constructor that allows your example simulation program to override default network address and port + * Utility Constructor that allows your example simulation program to + * override default network address and port + * * @param address network address to use * @param port corresponding network port to use */ - public ExampleSimulationProgram(String address, int port) - { + public ExampleSimulationProgram(String address, int port) { setNetworkAddress(address); - + setNetworkPort(port); } /** * get networkAddress + * * @return the networkAddress */ - public String getNetworkAddress() - { + public String getNetworkAddress() { return networkAddress; } /** * set networkAddress + * * @param newNetworkAddress the networkAddress to set */ - public final void setNetworkAddress(String newNetworkAddress) - { + public final void setNetworkAddress(String newNetworkAddress) { ExampleSimulationProgram.networkAddress = newNetworkAddress; } /** * get networkPort + * * @return the networkPort */ - public int getNetworkPort() - { + public int getNetworkPort() { return networkPort; } /** * set networkPort + * * @param newNetworkPort the networkPort to set */ - public final void setNetworkPort(int newNetworkPort) - { + public final void setNetworkPort(int newNetworkPort) { ExampleSimulationProgram.networkPort = newNetworkPort; } /** * Initialize network interface, choosing best available network interface */ - public void setUpNetworkInterface() - { + public void setUpNetworkInterface() { disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort()); - disNetworkInterface.setDescriptor ("ExampleSimulationProgramAllen_3 pdu looping"); - - System.out.println("Network confirmation:" + - " address=" + disNetworkInterface.getAddress()+ // disNetworkInterface.getMulticastGroup() + - " port=" + disNetworkInterface.getPort()); // + disNetworkInterface.getDisPort()); - pduListener = new DisThreadedNetworkInterface.PduListener() - { - /** Callback handler for listener */ + disNetworkInterface.setDescriptor("ExampleSimulationProgramAllen_3 pdu looping"); + + System.out.println("Network confirmation:" + + " address=" + disNetworkInterface.getAddress() + + // disNetworkInterface.getMulticastGroup() + + " port=" + disNetworkInterface.getPort()); // + disNetworkInterface.getDisPort()); + pduListener = new DisThreadedNetworkInterface.PduListener() { + /** + * Callback handler for listener + */ @Override - public void incomingPdu(Pdu newPdu) - { + public void incomingPdu(Pdu newPdu) { receivedPdu = newPdu; } }; disNetworkInterface.addListener(pduListener); - + String outputDirectory = DEFAULT_OUTPUT_DIRECTORY; System.out.println("Beginning pdu save to directory " + outputDirectory); pduRecorder = new PduRecorder(outputDirectory, getNetworkAddress(), getNetworkPort()); // assumes save - pduRecorder.setDescriptor ("ExampleSimulationProgramAllen_3 pduRecorder"); + pduRecorder.setDescriptor("ExampleSimulationProgramAllen_3 pduRecorder"); pduRecorder.start(); // begin running } - /** All done, release network resources */ - public void tearDownNetworkInterface() - { + /** + * All done, release network resources + */ + public void tearDownNetworkInterface() { pduRecorder.stop(); disNetworkInterface.removeListener(pduListener); - + disNetworkInterface.close(); // disNetworkInterface.kill(); // renamed as close(), deprecated // disNetworkInterface = null; // making sure no possibility of zombie process remaining... } - /** + /** * Send a single Protocol Data Unit (PDU) of any type + * * @param pdu the pdu to send */ - private void sendSinglePdu(Pdu pdu) - { - try - { + private void sendSinglePdu(Pdu pdu) { + try { disNetworkInterface.send(pdu); Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally - } - catch (InterruptedException ex) - { + } catch (InterruptedException ex) { System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage()); System.exit(1); } @@ -406,82 +399,91 @@ public class ExampleSimulationProgram /** * Send Comment PDU - * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments - * @param commentType enumeration value describing purpose of the narrative comment - * @param comments String array of narrative comments + * + * @see + * <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing + * Information to a Method or a Constructor</a> Arbitrary Number of + * Arguments + * @param commentType enumeration value describing purpose of the narrative + * comment + * @param comments String array of narrative comments */ public void sendCommentPdu(VariableRecordType commentType, - // vararg... variable-length set of String comments can optionally follow - String... comments) - { - sendAllPdusForLoopTimestep (null, null, commentType, comments); + // vararg... variable-length set of String comments can optionally follow + String... comments) { + sendAllPdusForLoopTimestep(null, null, commentType, comments); } /** - * Send EntityState, Fire, Comment PDUs that got updated for this loop, reflecting state of current simulation timestep. - * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing Information to a Method or a Constructor</a> Arbitrary Number of Arguments + * Send EntityState, Fire, Comment PDUs that got updated for this loop, + * reflecting state of current simulation timestep. + * + * @see + * <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/arguments.html">Passing + * Information to a Method or a Constructor</a> Arbitrary Number of + * Arguments * @param entityStatePdu the ESPDU to send, if any - * @param firePdu the FirePDU to send, if any - * @param commentType enumeration value describing purpose of the narrative comment - * @param comments String array of narrative comments + * @param firePdu the FirePDU to send, if any + * @param commentType enumeration value describing purpose of the narrative + * comment + * @param comments String array of narrative comments */ public void sendAllPdusForLoopTimestep(EntityStatePdu entityStatePdu, - FirePdu firePdu, - VariableRecordType commentType, - // vararg... variable-length set of String comments can optionally follow - String... comments) - { - if (entityStatePdu != null) + FirePdu firePdu, + VariableRecordType commentType, + // vararg... variable-length set of String comments can optionally follow + String... comments) { + if (entityStatePdu != null) { sendSinglePdu(entityStatePdu); - - if (firePdu != null) + } + + if (firePdu != null) { sendSinglePdu(firePdu); // bang - - if ((comments != null) && (comments.length > 0)) - { + } + if ((comments != null) && (comments.length > 0)) { ArrayList<String> newCommentsList = new ArrayList<>(); - for (String comment : comments) - { - if (!comment.isEmpty()) - { + for (String comment : comments) { + if (!comment.isEmpty()) { newCommentsList.add(comment); // OK found something to send } } - if (!newCommentsList.isEmpty()) - { - if (commentType == null) + if (!newCommentsList.isEmpty()) { + if (commentType == null) { commentType = otherComment; // fallback value otherComment - // now build the commentPdu from these string inputs, thus constructing a narrative entry + } // now build the commentPdu from these string inputs, thus constructing a narrative entry CommentPdu commentPdu = pduFactory.makeCommentPdu(commentType, newCommentsList.toArray(new String[0])); // comments); sendSinglePdu(commentPdu); - if (isVerboseComments()) + if (isVerboseComments()) { System.out.println("*** [Narrative comment sent: " + commentType.name() + "] " + newCommentsList.toString()); + } } } } - + /** * Main method is first executed when a program instance is loaded. - * @see <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java Tutorials: A Closer Look at the "Hello World!" Application</a> - * @param args command-line arguments are an array of optional String parameters that are passed from execution environment during invocation + * + * @see + * <a href="https://docs.oracle.com/javase/tutorial/getStarted/application/index.html">Java + * Tutorials: A Closer Look at the "Hello World!" Application</a> + * @param args command-line arguments are an array of optional String + * parameters that are passed from execution environment during invocation */ - public static void main(String[] args) - { + public static void main(String[] args) { System.out.println(TRACE_PREFIX + "started..."); - + ExampleSimulationProgram thisProgram = new ExampleSimulationProgram(); // creates instance - + // initial execution: can handle args array of initialization arguments here - if (args.length == 2) - { - if ((args[0] != null) && !args[0].isEmpty()) + if (args.length == 2) { + if ((args[0] != null) && !args[0].isEmpty()) { thisProgram.setNetworkAddress(args[0]); - - if ((args[1] != null) && !args[1].isEmpty()) + } + + if ((args[1] != null) && !args[1].isEmpty()) { thisProgram.setNetworkPort(Integer.parseInt(args[1])); - } - else if (args.length != 0) - { + } + } else if (args.length != 0) { System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]"); System.exit(-1); } @@ -489,15 +491,16 @@ public class ExampleSimulationProgram thisProgram.setUpNetworkInterface(); - thisProgram.runSimulationLoops (); // ... your simulation execution code goes in there ... - + thisProgram.runSimulationLoops(); // ... your simulation execution code goes in there ... + thisProgram.tearDownNetworkInterface(); // make sure no processes are left lingering - + System.out.println(TRACE_PREFIX + "complete."); // report successful completion } /** * get whether verbose comments are enabled + * * @return whether verboseComments mode is enabled */ public boolean isVerboseComments() { @@ -506,6 +509,7 @@ public class ExampleSimulationProgram /** * set whether verbose comments are enabled + * * @param newVerboseComments whether verboseComments mode is enabled */ public void setVerboseComments(boolean newVerboseComments) { diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/ArrivalProcess.java b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/ArrivalProcess.java new file mode 100644 index 0000000000000000000000000000000000000000..e4b55ab972d226f7cea3bb909b5b1e2526757b6d --- /dev/null +++ b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/ArrivalProcess.java @@ -0,0 +1,97 @@ +package MV3500Cohort2023MarchJune.homework3.Hedgcorth; + +import simkit.SimEntityBase; +import simkit.random.RandomVariate; + +/** + * The ArrivalProcess class represents an arrival process using the + * SimEntityBase from simkit. + * + * @author leahhedgcorth + */ +public class ArrivalProcess extends SimEntityBase { + + // parameter + private RandomVariate interarrivalTimeGenerator; + + // state variable + protected int numberArrivals; + + /** + * The constructor method ArrivalProcess(RandomVariate) sets the + * interarrivalTimeGenerator RandomVariate. + * + * @param interarrivalTimeGenerator + */ + public ArrivalProcess(RandomVariate interarrivalTimeGenerator) { + setInterarrivalTimeGenerator(interarrivalTimeGenerator); + } + + /** + * The constructor method ArrivalProcess() is currently left empty. + * + */ + public ArrivalProcess() { + } + + /** + * The method getInterarrivalTimeGenerator() returns the + * interarrivalTimeGenerator . + * + * @return + */ + public RandomVariate getInterarrivalTimeGenerator() { + return interarrivalTimeGenerator; + } + + /** + * The method setInterarrivalTimeGenerator sets the + * interarrivalTimeGenerator. + * + * @param interarrivalTimeGenerator + */ + public void setInterarrivalTimeGenerator(RandomVariate interarrivalTimeGenerator) { + this.interarrivalTimeGenerator = interarrivalTimeGenerator; + } + + /** + * The method getNumberArrivals returns the numberArrivals. + * + * @return + */ + public int getNumberArrivals() { + return numberArrivals; + } + + /** + * The method reset() sets all state variables to their initial values. + */ + @Override + public void reset() { + super.reset(); + numberArrivals = 0; + } + + /** + * The doRun() method first fires a PropertyChange and then schedules the + * first Arrival event. + */ + public void doRun() { + firePropertyChange("numberArrivals", getNumberArrivals()); + waitDelay("Arrival", interarrivalTimeGenerator); + } + + /** + * The doArrival() method saves the oldNumberArrivals and then passes the it to + * the firePropertyChange method to complete the state transition. It also + * increments numberArrivals by 1. + */ + public void doArrival() { + int oldNumberArrivals = getNumberArrivals(); + numberArrivals = numberArrivals + 1; + firePropertyChange("numberArrivals", oldNumberArrivals, + getNumberArrivals()); + waitDelay("Arrival", interarrivalTimeGenerator); + + } +} diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/ExampleSimulationProgram.java b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/ExampleSimulationProgram.java index 0fb320fec4ab75f4b0864ff06a6c30a7e5d52d47..4424f6e4a77772a106ddf7fb785abcc2839feda1 100644 --- a/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/ExampleSimulationProgram.java +++ b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/ExampleSimulationProgram.java @@ -13,15 +13,22 @@ import edu.nps.moves.dis7.utilities.PduFactory; import java.time.LocalDateTime; import java.util.logging.Level; import java.util.logging.Logger; +import simkit.Schedule; +import simkit.random.RandomVariate; +import simkit.random.RandomVariateFactory; +import simkit.util.SimplePropertyDumper; /** + * The purpose of this program is to provide an easily modifiable example + * simulation program that includes DIS-capable entities doing tasks and + * reporting them to the network. Default settings include PDU recording turned + * on by default. * * @author leahhedgcorth */ public class ExampleSimulationProgram { /* **************************** infrastructure code, modification is seldom needed ************************* */ - private String descriptor = this.getClass().getSimpleName(); /** * DIS channel defined by network address/port combination includes multiple @@ -48,7 +55,7 @@ public class ExampleSimulationProgram { /** * Maximum number of simulation loops */ - int MAX_LOOP_COUNT = 4; + int MAX_LOOP_COUNT = 10; String narrativeMessage1 = new String(); String narrativeMessage2 = new String(); @@ -216,7 +223,7 @@ public class ExampleSimulationProgram { @SuppressWarnings("SleepWhileInLoop") // yes we might do that public void runSimulationLoops() { try { - final int SIMULATION_MAX_LOOP_COUNT = 10; // be deliberate out there! also avoid infinite loops. + final int SIMULATION_MAX_LOOP_COUNT = 20; // be deliberate out there! also avoid infinite loops. int simulationLoopCount = 0; // variable, initialized at 0 boolean simulationComplete = false; // sentinel variable as termination condition, are we done yet? @@ -235,6 +242,23 @@ public class ExampleSimulationProgram { // ============================================================================================= // * your own simulation code starts here! ***************************************************** // ============================================================================================= + + RandomVariate interarrivalTimeGenerator = RandomVariateFactory.getInstance("Exponential", 3.2); + ArrivalProcess arrivalProcess = new ArrivalProcess(interarrivalTimeGenerator); + + SimplePropertyDumper simplePropertyDumper = new SimplePropertyDumper(); + arrivalProcess.addPropertyChangeListener(simplePropertyDumper); + + System.out.println(arrivalProcess); + + Schedule.stopAtTime(15.0); + Schedule.setVerbose(true); + + Schedule.reset(); + Schedule.startSimulation(); + System.out.println("At time " + Schedule.getSimTime() + " there have been " + arrivalProcess.getNumberArrivals() + " arrivals"); + + // are there any other variables to modify at the beginning of your loop? // are your reading any DIS PDUs from the network? check for them here // compute a track, update an ESPDU, whatever it is that your model is doing... diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/README.md b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/README.md index fbb12a9a1e345135b7b239319f6aa34e560cfc0f..93941d70567ac94cf37c6dd3bc28fa99a6d13bb8 100644 --- a/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/README.md +++ b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/README.md @@ -1 +1,6 @@ This program does something different... + +I changed the MAX_LOOP_COUNT value to 10 and changed SIMULATION_LOOP_COUNT value +to 20. I also added code to run the Arrival Process Simulation program and +output the number of arrivals. + diff --git a/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/package-info.java b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/package-info.java index 777b258fd7652d67e6cea6b5da1bfa0c51491417..291e392c4c21d577bb6e3e406bdd97c1932cb8da 100644 --- a/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/package-info.java +++ b/assignments/src/MV3500Cohort2023MarchJune/homework3/Hedgcorth/package-info.java @@ -1,5 +1,6 @@ /** * Assignment 3 - Example Simulation Program for MV3500. + * Final project assignments supporting the NPS MOVES MV3500 Networked Graphics course. * * @see <a href="https://gitlab.nps.edu/Savage/NetworkedGraphicsMV3500/-/tree/master/assignments">networkedGraphicsMV3500 assignments</a> * @see java.lang.Package