From b9f47aa45527974711fbd0245687df32282d1919 Mon Sep 17 00:00:00 2001 From: "Frank, Justin (CPT)" <justin.frank@nps.edu> Date: Tue, 31 Aug 2021 12:12:53 -0700 Subject: [PATCH] Delete ExampleSimulationProgram.java --- .../Frank/ExampleSimulationProgram.java | 363 ------------------ 1 file changed, 363 deletions(-) delete mode 100644 assignments/src/MV3500Cohort2021JulySeptember/homework3/Frank/ExampleSimulationProgram.java diff --git a/assignments/src/MV3500Cohort2021JulySeptember/homework3/Frank/ExampleSimulationProgram.java b/assignments/src/MV3500Cohort2021JulySeptember/homework3/Frank/ExampleSimulationProgram.java deleted file mode 100644 index 37a8154138..0000000000 --- a/assignments/src/MV3500Cohort2021JulySeptember/homework3/Frank/ExampleSimulationProgram.java +++ /dev/null @@ -1,363 +0,0 @@ -package MV3500Cohort2021JulySeptember.homework3.Frank; - -import edu.nps.moves.dis7.enumerations.VariableRecordType; -import edu.nps.moves.dis7.pdus.CommentPdu; -import edu.nps.moves.dis7.pdus.EntityID; -import edu.nps.moves.dis7.pdus.EntityStatePdu; -import edu.nps.moves.dis7.pdus.FirePdu; -import edu.nps.moves.dis7.pdus.Pdu; -import edu.nps.moves.dis7.utilities.DisThreadedNetworkInterface; -import edu.nps.moves.dis7.utilities.PduFactory; -import edu.nps.moves.dis7.utilities.stream.PduRecorder; -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. - */ -public class ExampleSimulationProgram -{ - /** - * This runSimulation() method is for you! This block is programmer-modifiable method - * for defining and running a new simulation of interest. - * Support include 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 new simulationists to use and adapt. - * All of the other methods are setup, teardown and configuration that you don't have to worry about. - */ - @SuppressWarnings("SleepWhileInLoop") - public void runSimulation () - { - try - { - /** seconds for real-time execution (not simulation time, which may or may not be the same) */ - final double LOOP_DURATION_SECONDS = 1.0; - final int MAX_LOOP_COUNT = 10; // be deliberate out out there! - int loopCount = 0; // initialized at 0 - boolean simulationComplete = false; // sentinel variable as termination condition,, are we done yet? - - // TODO reset clock to zero each time for consistent outputs - - // your model setup: who's who in this zoo? - // create PDU objects and set their values - - EntityID entityID_1 = new EntityID(); - entityID_1.setSiteID(1).setApplicationID(2).setEntityID(3); // made-up example ID; - // TODO use enumerations; is there a unique site triplet for MOVES Institute? - - EntityStatePdu entityStatePdu = pduFactory.makeEntityStatePdu(); - entityStatePdu.setEntityID(entityID_1); - - FirePdu firePdu = pduFactory.makeFirePdu(); - // should we customize this munition? what is it for your simulation? - - // TODO simulation management PDUs for startup - - // loop the simulation while allowed, programmer can set additional conditions to break out and finish - while (loopCount < MAX_LOOP_COUNT) // are we done yet? - { - loopCount++; // good practice: increment loop counter as first action - - // ============================================================================================= - // 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. - entityStatePdu.getEntityLocation().setX(entityStatePdu.getEntityLocation().getX() + 1.0); // 1m per timestep - - // decide whether to fire, and then update the firePdu. Hmmm, you might want a target to shoort at! - - // etc. etc. your code goes here - - // something happens between my simulation entities, la de da de da... - System.out.println ("... My simulation just did something, no really..."); - - - // make your reports: narrative code for CommentPdu here (set all to empty strings to avoid sending) - narrativeMessage1 = "MV3500 ExampleSimulationProgram"; - narrativeMessage2 = "runSimulation() loop " + loopCount; - narrativeMessage3 = ""; // intentionally blank for testing - - // your loop termination condition goes here - if (loopCount > 4) // for example - { - simulationComplete = true; - } - // your own simulation code is finished here! - // ============================================================================================= - - // keep track of 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)(LOOP_DURATION_SECONDS * 1000)); // seconds * (1000 msec/sec) = milliseconds - System.out.println ("... [Pausing for " + LOOP_DURATION_SECONDS + " seconds]"); - - // send the status PDUs for this loop and continue - System.out.println ("sending PDUs for simulation step " + loopCount + ", monitor loopback to confirm sent"); - sendAllPdusForLoopTimestep(entityStatePdu, firePdu, timeStepComment, narrativeMessage1, narrativeMessage2, narrativeMessage3); - System.out.println ("... [PDUs successfully sent for this loop]"); - - // =============================== - // loop now finished, thus terminate if simulation complete, otherwise send latest PDUs and continue - if (simulationComplete || (loopCount > 10000)) // for example; including fail-safe condition is good - { - System.out.println ("... [Termination condition met, simulationComplete=" + simulationComplete + "]"); // ", final loopCount=" + loopCount + - break; - } - } // end of while loop - // all done - narrativeMessage2 = "runSimulation() completed successfully"; - 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 ************************* */ - - private boolean verboseComments = true; - String narrativeMessage1 = new String(); - String narrativeMessage2 = new String(); - String narrativeMessage3 = new String(); - - /* VariableRecordType enumerations have potential use with CommentPdu logs */ - 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 - */ - private final static String TRACE_PREFIX = "[" + ExampleSimulationProgram.class.getName() + "] "; - - // class variables - PduFactory pduFactory = new PduFactory(); - DisThreadedNetworkInterface disNetworkInterface; - DisThreadedNetworkInterface.PduListener pduListener; - Pdu receivedPdu; - - static final String networkAddress_DEFAULT = "239.1.2.3"; - static final int networkPort_DEFAULT = 3000; - static String networkAddress = networkAddress_DEFAULT; - static int networkPort = networkPort_DEFAULT; - - /** - * Constructor design goal: additional built-in initialization conveniences can go here - * to keep student efforts focused on the runSimulation() method. - */ - 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 - * @param address network address to use - * @param port corresponding network port to use - */ - public ExampleSimulationProgram(String address, int port) - { - setNetworkAddress(address); - - setNetworkPort(port); - } - - /** - * @return the networkAddress - */ - public String getNetworkAddress() - { - return networkAddress; - } - - /** - * @param newNetworkAddress the networkAddress to set - */ - public final void setNetworkAddress(String newNetworkAddress) - { - ExampleSimulationProgram.networkAddress = newNetworkAddress; - } - - /** - * @return the networkPort - */ - public int getNetworkPort() - { - return networkPort; - } - - /** - * @param newNetworkPort the networkPort to set - */ - public final void setNetworkPort(int newNetworkPort) - { - ExampleSimulationProgram.networkPort = newNetworkPort; - } - - /** - * Initialize network interface, choosing best available network interface - */ - public void setUpNetworkInterface() - { - disNetworkInterface = new DisThreadedNetworkInterface(getNetworkAddress(), getNetworkPort()); - - System.out.println("Network confirmation: address=" + disNetworkInterface.getMulticastGroup() + " port=" + disNetworkInterface.getDisPort()); - pduListener = new DisThreadedNetworkInterface.PduListener() - { - /** Callback handler for listener */ - @Override - public void incomingPdu(Pdu newPdu) - { - receivedPdu = newPdu; - } - }; - disNetworkInterface.addListener(pduListener); - } - - /** All done, release network resources */ - public void tearDownNetworkInterface() - { - disNetworkInterface.removeListener(pduListener); - disNetworkInterface.kill(); - disNetworkInterface = null; - } - - /** - * Send a single Protocol Data Unit (PDU) of any type - * @param pdu the pdu to send - */ - private void sendSinglePdu(Pdu pdu) - { - try - { - disNetworkInterface.send(pdu); - Thread.sleep(100); // TODO consider refactoring the wait logic and moving externally - } - catch (InterruptedException ex) - { - System.err.println(this.getClass().getName() + " Error sending PDU: " + ex.getLocalizedMessage()); - System.exit(1); - } - } - - /** - * 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 - */ - public void sendCommentPdu(VariableRecordType commentType, - // 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 - * @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 - */ - public void sendAllPdusForLoopTimestep(EntityStatePdu entityStatePdu, - FirePdu firePdu, - VariableRecordType commentType, - // vararg... variable-length set of String comments can optionally follow - String... comments) - { - if (entityStatePdu != null) - sendSinglePdu(entityStatePdu); - - if (firePdu != null) - sendSinglePdu(firePdu); // bang - - if ((comments != null) && (comments.length > 0)) - { - ArrayList<String> newCommentsList = new ArrayList<>(); - for (int i = 0; i < comments.length; i++) - { - if (!comments[i].isEmpty()) - newCommentsList.add(comments[i]); // OK found something to send - } - if (!newCommentsList.isEmpty()) - { - if (commentType == null) - commentType = otherComment; // fallback value otherComment - // 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()) - 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 - */ - 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()) - thisProgram.setNetworkAddress(args[0]); - - if ((args[1] != null) && !args[1].isEmpty()) - thisProgram.setNetworkPort(Integer.parseInt(args[1])); - } - else if (args.length != 0) - { - System.err.println("Usage: " + thisProgram.getClass().getName() + " [address port]"); - System.exit(-1); - } - // OK here we go... - - thisProgram.setUpNetworkInterface(); - - String DEFAULT_OUTPUT_DIRECTORY = "./pduLog"; - String outputDirectory = DEFAULT_OUTPUT_DIRECTORY; - System.out.println("Beginning pdu save to directory " + outputDirectory); - PduRecorder pduRecorder = new PduRecorder(outputDirectory, networkAddress, networkPort); // assumes save - - thisProgram.runSimulation (); // ... your simulation execution code goes in there ... - - pduRecorder.end(); - - thisProgram.tearDownNetworkInterface(); // make sure no processes are left lingering - - System.out.println(TRACE_PREFIX + "complete."); // report successful completion - } - - /** - * @return whether verboseComments mode is enabled - */ - public boolean isVerboseComments() { - return verboseComments; - } - - /** - * @param newVerboseComments whether verboseComments mode is enabled - */ - public void setVerboseComments(boolean newVerboseComments) { - this.verboseComments = newVerboseComments; - } -} -- GitLab