Merge origin/master

assignments/src/MV3500Cohort2021JulySeptember/homework1/PughTcp2ConnectionCounting.java

@@ -48,7 +48,7 @@ public class PughTcp2ConnectionCounting {
             while (true) {
                 // blocks! then proceeds once a connection is "accept"ed
                 try ( Socket clientConnection = serverSocket.accept()) {
-                    connectionCount++; // got another one!
+                    
 
                     OutputStream os = clientConnection.getOutputStream();
                     PrintStream ps = new PrintStream(os);
@@ -58,11 +58,11 @@ public class PughTcp2ConnectionCounting {
                     if (connectionCount % 2 == 1) {
                         System.out.println("Go\n");
                     }
-                    if (connectionCount % 2 == 0) {
-                        System.out.println("Gators!\n");
+                    if (connectionCount % 2 == 0 && connectionCount % 3 == 1) {
+                        System.out.println("Gators!");
                     }
                     if (connectionCount % 3 == 1 && connectionCount != 0) {
-                        System.out.println("O'Doyle Rules!!! \n");
+                        System.out.println("O'Doyle Rules!!!");
                     }
                     ps.println("You were connection #" + connectionCount + ", by my count");
 
@@ -89,6 +89,7 @@ public class PughTcp2ConnectionCounting {
                     // a while after the client has stopped needing this
                     // connection. Close() explicitly ends the connection.
                     ps.flush();
+                    connectionCount++; // got another one!
                 }
             }
         } catch (IOException e) {

assignments/src/MV3500Cohort2021JulySeptember/homework2/Fisher/FisherClient.java

@@ -10,7 +10,7 @@ import java.io.PrintStream;
 import java.net.Socket;
 
 /**
- * Before, we always used telnet (netcat) to connect to the server. Here we are
+ * Before, we always used telnet (netcat) to connect to server. Here we are
  * now writing our own program to do the connection.
  *
  * As you will see, when we run this after we start the server we will see the
@@ -22,7 +22,7 @@ import java.net.Socket;
 public class FisherClient {
 
     // IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
-    public final static String LOCALHOST = "172.20.145.10";         //"0:0:0:0:0:0:0:1";
+    public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
                                             // Sub with someone's IP 
                                             // Got it to work with McNeely in class
     /**
@@ -89,5 +89,5 @@ public class FisherClient {
             System.out.println("FisherClient exit");
         }
     }
-
+    
 }

assignments/src/MV3500Cohort2021JulySeptember/homework2/Fisher/FisherServer.java

@@ -59,7 +59,7 @@ public class FisherServer {
             // Made a loop counter for server to stop after 10 pings with client
             while (serverLoopCount <= 10) {
 
-                // block until connected to a client
+                // block until connected to the client
                 try ( Socket clientConnectionSocket = serverSocket.accept()) {
 
                     // Now hook everything up (i.e. set up the streams), Java style:

assignments/src/MV3500Cohort2021JulySeptember/homework2/Pugh/Pugh3Client_homework2.java

+package MV3500Cohort2021JulySeptember.homework2.Pugh;
+
+import MV3500Cohort2021JulySeptember.homework2.*;
+import java.io.*;
+import java.net.*;
+
+/**
+ * Before, we always used telnet (netcat) to connect to the server. Here we are
+ * now writing our own program to do the connection.
+ *
+ * As you will see, when we run this after we start the server we will see the
+ * same string telnet printed, sent by the server. The output at the server will
+ * show different socket pairs for each time the loop iterates.
+ *
+ * @author mcgredo
+ * @author brutzman
+ */
+public class Pugh3Client_homework2 {
+
+    /**
+     * IPv6 String constant for localhost address, similarly IPv4 127.0.0.1
+     *
+     * @see
+     * <a href="https://en.wikipedia.org/wiki/localhost">https://en.wikipedia.org/wiki/localhost</a>
+     * @see
+     * <a href="https://en.wikipedia.org/wiki/IPv6_address">https://en.wikipedia.org/wiki/IPv6_address</a>
+     */
+    public final static String LOCALHOST = "0:0:0:0:0:0:0:1"; //Local host
+
+    /**
+     * Program invocation, execution starts here
+     *
+     * @param args command-line arguments
+     */
+    public static void main(String[] args) throws InterruptedException {
+
+        // Local variables/fields
+        Socket socket = null;
+        InputStream is;
+        Reader isr;
+        BufferedReader br;
+        String serverMessage;
+        int clientLoopCount = 0;
+
+        try {
+            while (true) {
+                clientLoopCount++; // increment at beginning of loop for reliability
+                System.out.println(Pugh3Client_homework2.class.getName() + " creating socket...");
+
+                // We request an IP to connect to ("localhost") and
+                // port number at that IP (2317). This establishes
+                // a connection to that IP in the form of a Socket
+                // object; the server uses a ServerSocket to wait for
+                // connections.
+                socket = new Socket(LOCALHOST, 2317); // locohost?
+
+                // Now hook everything up (i.e. set up the streams), Java style:
+                is = socket.getInputStream();
+                isr = new InputStreamReader(is);
+                br = new BufferedReader(isr);
+
+                // Read a single line written by the server. We'd
+                // do things a bit differently if there were many lines to be read
+                // from the server instead of one only.
+                serverMessage = br.readLine();
+                System.out.println("==================================================");
+
+                if (clientLoopCount == 1) {
+                    System.out.print("Client loop " + clientLoopCount + ": ");
+                    System.out.println("now we're talking!");
+                    System.out.println("The message the server sent was: '" + serverMessage + "'");
+                    // socket gets closed, either automatically/silently by this code (or possibly by the server)
+                }
+                
+                if (clientLoopCount == 2){
+                    System.out.println("I'm ready.  Shoot.");
+                }
+                
+                if ( clientLoopCount == 3){
+                    System.out.println("That is a horrible joke.");
+                }
+                
+                if (clientLoopCount >= 4){
+                    System.out.println("No...");
+                }
+                Thread.sleep(500l); // slow things down, for example 500l (long) = 500 msec
+
+            } // end while(true) // infinite loops are dangerous, be sure to kill this process!
+        } catch (IOException e) {
+            System.err.println("Problem with " + Pugh3Client_homework2.class.getName() + " networking:"); // describe what is happening
+            System.err.println("Error: " + e);
+
+            // Provide more helpful information to user if exception occurs due to running twice at one time
+            if (e instanceof java.net.BindException) {
+                System.err.println("*** Be sure to stop any other running instances of programs using this port!");
+            }
+        } finally // occurs after any other activity when shutting down
+        {
+            try {
+                if (socket != null) {
+                    socket.close();
+                }
+            } catch (IOException e) {
+            }
+
+            // program exit: tell somebody about that happening.  Likely cause: server drops connection.
+            System.out.println();
+            System.out.println(Pugh3Client_homework2.class.getName() + " exit");
+        }
+    }
+}

assignments/src/MV3500Cohort2021JulySeptember/homework2/Pugh/Pugh3Server.java

+package MV3500Cohort2021JulySeptember.homework2.Pugh;
+
+import java.io.*;
+import java.net.*;
+
+/**
+ * Very slightly more complex than example1, further modifying example2. The
+ * only thing this does differently is introduce a loop into the response, so
+ * you don't have to restart the program after one response. Also, it prints out
+ * the socket pair the server sees. Run the program via telnet several times and
+ * compare the socket pairs.
+ *
+ * telnet (nc) localhost 2317
+ *
+ * If you're sophisticated you can contact the instructor's computer while
+ * running this program.
+ *
+ * telnet (nc) [ipNumberOfServerLaptop] 2317
+ *
+ * and have the instructor display the socket pairs received.
+ *
+ * @author mcgredo
+ * @author brutzman
+ */
+public class Pugh3Server {
+
+    /**
+     * Program invocation, execution starts here If already compiled, can run
+     * using console in directory ../../build/classes/ by invoking \ java
+     * -classpath . TcpExamples.TcpExample3Server
+     *
+     * @param args command-line arguments
+     */
+    public static void main(String[] args) {
+        try {
+
+            // ServerSocket waits for a connection from a client. 
+            // Notice that it is outside the loop; ServerSocket
+            // needs to be made only once.
+            System.out.println(Pugh3Server.class.getName() + " has started..."); // it helps debugging to put this on console first
+
+            ServerSocket serverSocket = new ServerSocket(2317);
+            OutputStream os;
+            PrintStream ps;
+            InetAddress localAddress, remoteAddress;
+            int localPort, remotePort;
+            int serverLoopCount = 0;
+
+            // Server is up and waiting (i.e. "blocked" or paused)
+            // Loop, infinitely, waiting for client connections.
+            // Stop the program somewhere else.
+            while (true) {
+
+                // block until connected to a client
+                try (Socket clientConnectionSocket = serverSocket.accept()) {
+                    serverLoopCount++; // increment at beginning of loop for reliability
+
+                    // Now hook everything up (i.e. set up the streams), Java style:
+                    os = clientConnectionSocket.getOutputStream();
+                    ps = new PrintStream(os);
+                    ps.println("This is response " + serverLoopCount + " produced by the server.\n"); // this gets sent back to client!
+
+                    // Print some information locally about the Socket connection.
+                    // This includes the port and IP numbers on both sides (the socket pair).
+                    localAddress = clientConnectionSocket.getLocalAddress();
+                    remoteAddress = clientConnectionSocket.getInetAddress();
+                    localPort = clientConnectionSocket.getLocalPort();
+                    remotePort = clientConnectionSocket.getPort();
+
+                    System.out.print("Server loop: " + serverLoopCount + "\n");
+
+                    
+                    // My socket pair connection looks like this, to localhost:
+                    // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54876 ))
+                    // Socket pair: (( /0:0:0:0:0:0:0:1, 2317 ), ( /0:0:0:0:0:0:0:1, 54881 ))
+                    // Why is the first IP/port the same, while the second set has different ports?
+                    if (serverLoopCount == 1) {
+                        System.out.println(Pugh3Server.class.getName() + " socket pair showing host name, address, port:");
+                        System.out.println("  (( "
+                                + localAddress.getHostName() + "=" + localAddress.getHostAddress() + ", " + localPort + " ), ( "
+                                + remoteAddress.getHostName() + "=" + remoteAddress.getHostAddress() + ", " + remotePort + " ))\n");
+
+                        if (localAddress.getHostName().equals(localAddress.getHostAddress())
+                                || remoteAddress.getHostName().equals(remoteAddress.getHostAddress())) {
+                            System.out.println("  note HostName matches address if host has no DNS name\n");
+                        }
+                    }
+
+                    if (serverLoopCount == 1) {
+                        System.out.println("Ready for some great Dad Jokes?!?\n");
+                    }
+                    if (serverLoopCount == 2) {
+                        System.out.println("Ok, get ready...\n");
+                    }
+                    if (serverLoopCount == 3) {
+                        System.out.print("A ham sandwich walks into a bar and orders a beer. The bartender says, Sorry, we don’t serve food here.\n");
+                    }
+
+                    if (serverLoopCount == 4) {
+                        System.out.println("Funny, right?\n");
+                    }
+
+                    if (serverLoopCount >= 5) {
+                        System.out.print("Keep laughing, it's funny!\n");
+                    }
+
+                    // Notice the use of flush() and try w/ resources. Without
+                    // the try w/ resources the Socket object may stay open for
+                    // a while after the client has stopped needing this
+                    // connection. try w/ resources explicitly ends the connection.
+                    ps.flush();
+                    // like it or not, you're outta here!
+                }
+            }
+        } catch (IOException e) {
+            System.err.println("Problem with " + Pugh3Server.class.getName() + " networking: " + e);
+
+            // Provide more helpful information to user if exception occurs due to running twice at one time
+            if (e instanceof java.net.BindException) {
+                System.err.println("*** Be sure to stop any other running instances of programs using this port!");
+            }
+        }
+    }
+}

examples/src/TcpExamples/TcpExample3Client.java

@@ -20,7 +20,7 @@ public class TcpExample3Client {
      * @see <a href="https://en.wikipedia.org/wiki/localhost">https://en.wikipedia.org/wiki/localhost</a>
      * @see <a href="https://en.wikipedia.org/wiki/IPv6_address">https://en.wikipedia.org/wiki/IPv6_address</a> 
      */
-    public final static String LOCALHOST = "0:0:0:0:0:0:0:1";
+    public final static String LOCALHOST = "0:0:0:0:0:0:0:1"; //Local host
 
     /**
      * Program invocation, execution starts here

specifications/build.xml

@@ -2,6 +2,22 @@
 <project name="Download IEEE and SISO Specifications" default="download.all" basedir=".">
 		
 	<target name="download.all" depends="download.clean.specifications,download.SISO,download.IeeeDisStandards.instructions"/>
+    
+    <property name="DIS.1.document" value="6387564"/>
+    <property name="DIS.1.rename"   value="IEEE1278.1-2012.DistributedInteractiveSimulation.ApplicationProtocols.${DIS.1.document}.pdf"/>
+    <property name="DIS.1.title"    value="1278.1-2012 - IEEE Standard for Distributed Interactive Simulation (DIS) -- Application Protocols"/>
+    
+    <property name="DIS.2.document" value="7459689"/>
+    <property name="DIS.2.rename"   value="IEEE1278.2-2015.DistributedInteractiveSimulation.CommunicationsServices.${DIS.2.document}.pdf.SAVEME"/>
+    <property name="DIS.2.title"    value="1278.2-2015 - IEEE Standard for Distributed Interactive Simulation (DIS) -- Communication Services and Profiles"/>
+    
+    <property name="DIS.3.document" value="587529"/>
+    <property name="DIS.3.rename"   value="IEEE1278.3-2015.DistributedInteractiveSimulation.CommunicationsServices.${DIS.3.document}.pdf.SAVEME"/>
+    <property name="DIS.3.title"    value="1278.3-1996 - IEEE Recommended Practice for Distributed Interactive Simulation (DIS) -- Exercise Management and Feedback"/>
+    
+    <property name="DIS.4.document" value="8685803"/>
+    <property name="DIS.4.rename"   value="IEEE1278.4-1997.DistributedInteractiveSimulation.VV+A.${DIS.4.document}.pdf.SAVEME"/>
+    <property name="DIS.4.title"    value="1278.4-1997 - IEEE Recommended Practice for Distributed Interactive Simulation (DIS) -- Verification, Validation, and Accreditation (VV+A)"/>
 	
 	<target name="download.clean.specifications">
 		<echo message="ensure all files are closed before deleting..."/>
@@ -25,18 +41,25 @@
 	<!-- =============================================== -->
 		
 	<target name="download.IeeeDisStandards.rename" description="rename saved DIS specification files to readable filenames">
+        <!-- move files to subdirectory if needed -->
+        <move  file="12781-2012.pdf" todir="downloads/" failonerror="false"/>
+        <move  file="12782-2015.pdf" todir="downloads/" failonerror="false"/>
+        <move  file="00587529.pdf"   todir="downloads/" failonerror="false"/>
+        <move  file="12784-1997.pdf" todir="downloads/" failonerror="false"/>
 		<!-- part 1 6387564.pdf -->
-        <move  file="12781-2012.pdf" tofile="IEEE1278.1-2012.DistributedInteractiveSimulation.ApplicationProtocols.12781-2012.pdf"   verbose="true" quiet="true" failonerror="false"/>
-		<copy todir="archive"          file="IEEE1278.1-2012.DistributedInteractiveSimulation.ApplicationProtocols.12781-2012.pdf"   verbose="true" quiet="true" failonerror="false"/>
+        <move  file="downloads/12781-2012.pdf" tofile="downloads/IEEE1278.1-2012.DistributedInteractiveSimulation.ApplicationProtocols.12781-2012.pdf"   verbose="true" quiet="true" failonerror="false"/>
 		<!-- part 2 7459689.pdf -->
-        <move  file="12782-2015.pdf" tofile="IEEE1278.2-2015.DistributedInteractiveSimulation.CommunicationsServices.12782-2015.pdf" verbose="true" quiet="true" failonerror="false"/>
-		<copy todir="archive"          file="IEEE1278.2-2015.DistributedInteractiveSimulation.CommunicationsServices.12782-2015.pdf" verbose="true" quiet="true" failonerror="false"/>
+        <move  file="downloads/12782-2015.pdf" tofile="downloads/IEEE1278.2-2015.DistributedInteractiveSimulation.CommunicationsServices.12782-2015.pdf" verbose="true" quiet="true" failonerror="false"/>
 		<!-- part 3 00587529.pdf -->
-        <move  file= "00587529.pdf" tofile="IEEE1278.3-2015.DistributedInteractiveSimulation.CommunicationsServices.00587529.pdf"    verbose="true" quiet="true" failonerror="false"/>
-		<copy todir="archive"          file="IEEE1278.3-2015.DistributedInteractiveSimulation.CommunicationsServices.00587529.pdf"   verbose="true" quiet="true" failonerror="false"/>
+        <move  file= "downloads/00587529.pdf" tofile="downloads/IEEE1278.3-2015.DistributedInteractiveSimulation.CommunicationsServices.00587529.pdf"    verbose="true" quiet="true" failonerror="false"/>
 		<!-- part 4 6595010.pdf -->
-        <move  file="12784-1997.pdf" tofile="IEEE1278.4-2013.DistributedInteractiveSimulation.VV+A.12784-1997.pdf"                   verbose="true" quiet="true" failonerror="false"/>
-		<copy todir="archive"          file="IEEE1278.4-2013.DistributedInteractiveSimulation.VV+A.12784-1997.pdf"                   verbose="true" quiet="true" failonerror="false"/>
+        <move  file="downloads/12784-1997.pdf" tofile="downloads/IEEE1278.4-2013.DistributedInteractiveSimulation.VV+A.12784-1997.pdf"                   verbose="true" quiet="true" failonerror="false"/>
+        <!--
+		<copy todir="downloads"          file="IEEE1278.1-2012.DistributedInteractiveSimulation.ApplicationProtocols.12781-2012.pdf"   verbose="true" quiet="true" failonerror="false"/>
+		<copy todir="downloads"          file="IEEE1278.2-2015.DistributedInteractiveSimulation.CommunicationsServices.12782-2015.pdf" verbose="true" quiet="true" failonerror="false"/>
+		<copy todir="downloads"          file="IEEE1278.3-2015.DistributedInteractiveSimulation.CommunicationsServices.00587529.pdf"   verbose="true" quiet="true" failonerror="false"/>
+		<copy todir="downloads"          file="IEEE1278.4-2013.DistributedInteractiveSimulation.VV+A.12784-1997.pdf"                   verbose="true" quiet="true" failonerror="false"/>
+        -->
 	
 		<echo message="check *.pdf directory contents..."/>
 		<!-- https://stackoverflow.com/questions/10528032/listing-all-files-and-subdirectories-using-ant -->
@@ -45,11 +68,11 @@
 		<!-- https://stackoverflow.com/questions/7102793/how-to-put-a-newline-in-ant-property -->
 		<echo message="specifications directory:"/>
 		<echo message="${prop.dist.contents}"/>
-		<fileset     id="archive.contents" dir="archive" includes="*.pdf"/> 
-		<property  name="prop.archive.contents" refid="archive.contents"/>
+		<fileset     id="downloads.contents" dir="downloads" includes="*.pdf"/> 
+		<property  name="prop.downloads.contents" refid="downloads.contents"/>
 		<!-- https://stackoverflow.com/questions/7102793/how-to-put-a-newline-in-ant-property -->
-		<echo message="specifications/archive directory:"/>
-		<echo message="${prop.archive.contents}"/>
+		<echo message="specifications/downloads directory:"/>
+		<echo message="${prop.downloads.contents}"/>
 	</target>
 
 	<!-- =============================================== -->
@@ -63,58 +86,60 @@
 		<echo message="Warning: due to cookie and scripting restrictions, you must download IEEE specifications manually via links found in README.md"/>
         <echo message="TODO: university students/faculty can first login with permissions to the IEEE Explore page, then use target download.IeeeDisStandards.retrieve"/>
         <echo message="IEEE Explore: ${ieeeExploreUrl}"/>
+        <echo/>
         
 		<!-- ======================== -->
-		<property name="DIS.1.document" value="6387564"/>
-		<property name="DIS.1.rename"   value="IEEE1278.1-2012.DistributedInteractiveSimulation.ApplicationProtocols.${DIS.1.document}.pdf"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.1.document}"/>
+		<echo message="${DIS.1.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.1.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.1.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.1.rename}"/>
         <!-- 
 		<get     src="${ieeeBaseLinkUrl}${DIS.1.document}"
-                dest="${DIS.1.rename}" verbose="true"/> -->
+                dest="downloads/${DIS.1.rename}" verbose="true"/> -->
         <property name="warningMessage" value="Restriction: cookie restrictions prevent automated download.&#10;&#10;You must manually download this file while within NPS campus or firewall.&#10;&#10;For "/>
         <echo message="${warningMessage}IEEE1278.1 retrieval to this location, use your browser to save&#10;&#10;   ${ieeeBaseLinkUrl}${DIS.1.document}"
                  file="${DIS.1.rename}.SAVEME"/>
-        <echo message=""/>
+        <echo/>
 		
 		<!-- ======================== -->
-		<property name="DIS.2.document" value="7459689"/>
-		<property name="DIS.2.rename"   value="IEEE1278.2-2015.DistributedInteractiveSimulation.CommunicationsServices.${DIS.2.document}.pdf.SAVEME"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.2.document}"/>
+		<echo message="${DIS.2.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.2.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.2.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.2.rename}"/>
         <!-- 
         <get     src="${ieeeBaseLinkUrl}${DIS.2.document}"
-                dest="${DIS.2.rename}" verbose="true"/> -->
+                dest="downloads/${DIS.2.rename}" verbose="true"/> -->
         <echo message="${warningMessage}IEEE1278.2 retrieval to this location, use your browser to save&#10;&#10;   ${ieeeBaseLinkUrl}${DIS.2.document}"
                  file="${DIS.2.rename}"/>
-        <echo message=""/>
+        <echo/>
 		
 		<!-- ======================== -->
-		<property name="DIS.3.document" value="587529"/>
-		<property name="DIS.3.rename"   value="IEEE1278.3-2015.DistributedInteractiveSimulation.CommunicationsServices.${DIS.3.document}.pdf.SAVEME"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.3.document}"/>
+		<echo message="${DIS.3.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.3.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.3.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.3.rename}"/>
         <!-- 
         <get     src="${ieeeBaseLinkUrl}${DIS.3.document}"
-                dest="${DIS.3.rename}" verbose="true"/> -->
+                dest="downloads/${DIS.3.rename}" verbose="true"/> -->
         <echo message="${warningMessage}IEEE1278.3 retrieval to this location, use your browser to save&#10;&#10;   ${ieeeBaseLinkUrl}${DIS.3.document}"
                  file="${DIS.3.rename}"/>
-        <echo message=""/>
+        <echo/>
 		
 		<!-- ======================== -->
-		<property name="DIS.4.document" value="8685803"/>
-		<property name="DIS.4.rename"   value="IEEE1278.4-2013.DistributedInteractiveSimulation.VV+A.${DIS.4.document}.pdf.SAVEME"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.4.document}"/>
+		<echo message="${DIS.4.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.4.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.4.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.4.rename}"/>
         <!-- 
         <get     src="${ieeeBaseLinkUrl}${DIS.4.document}"
-                dest="${DIS.4.rename}" verbose="true"/> -->
+                dest="downloads/${DIS.4.rename}" verbose="true"/> -->
         <echo message="${warningMessage}IEEE1278.4 retrieval to this location, use your browser to save&#10;&#10;   ${ieeeBaseLinkUrl}${DIS.4.document}"
                  file="${DIS.4.rename}"/>
+        <echo/>
 	</target>
     
 	<target name="download.IeeeDisStandards.retrieve">
@@ -129,40 +154,40 @@
         <echo message="IEEE Explore: ${ieeeExploreUrl}"/>
         
 		<!-- ======================== -->
-		<property name="DIS.1.document" value="6387564"/>
-		<property name="DIS.1.rename"   value="IEEE1278.1-2012.DistributedInteractiveSimulation.ApplicationProtocols.${DIS.1.document}.pdf"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.1.document}"/>
+		<echo message="${DIS.1.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.1.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.1.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.1.rename}"/>
 		<get     src="${ieeeBaseLinkUrl}${DIS.1.document}"
-                dest="${DIS.1.rename}" verbose="true"/>
+                dest="downloads/${DIS.1.rename}" verbose="true"/>
         
 		<!-- ======================== -->
-		<property name="DIS.2.document" value="7459689"/>
-		<property name="DIS.2.rename"   value="IEEE1278.2-2015.DistributedInteractiveSimulation.CommunicationsServices.${DIS.2.document}.pdf"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.2.document}"/>
+		<echo message="${DIS.2.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.2.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.2.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.2.rename}"/>
         <get     src="${ieeeBaseLinkUrl}${DIS.2.document}"
-                dest="${DIS.2.rename}" verbose="true"/>
+                dest="downloads/${DIS.2.rename}" verbose="true"/>
 		
 		<!-- ======================== -->
-		<property name="DIS.3.document" value="587529"/>
-		<property name="DIS.3.rename"   value="IEEE1278.3-2015.DistributedInteractiveSimulation.CommunicationsServices.${DIS.3.document}.pdf"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.3.document}"/>
+		<echo message="${DIS.3.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.3.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.3.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.3.rename}"/>
         <get     src="${ieeeBaseLinkUrl}${DIS.3.document}"
-                dest="${DIS.3.rename}" verbose="true"/> 
+                dest="downloads/${DIS.3.rename}" verbose="true"/> 
 		
 		<!-- ======================== -->
-		<property name="DIS.4.document" value="8685803"/>
-		<property name="DIS.4.rename"   value="IEEE1278.4-2013.DistributedInteractiveSimulation.VV+A.${DIS.4.document}.pdf"/>
-		<echo message="see ${ieeeBasePageUrl}${DIS.4.document}"/>
+		<echo message="${DIS.4.title}"/>
+        <echo message="see ${ieeeBasePageUrl}${DIS.4.document}"/>
         <echo message="get ${ieeeBaseLinkUrl}${DIS.4.document}"/>
+        <echo message="to  downloads/ subdirectory"/>
         <echo message="as  ${DIS.4.rename}"/>
         <get     src="${ieeeBaseLinkUrl}${DIS.4.document}"
-                dest="${DIS.4.rename}" verbose="true"/>
+                dest="downloads/${DIS.4.rename}" verbose="true"/>
 	</target>
 	
 	<!-- =============================================== -->

specifications/downloads/README.md

+This is a convenient directory for saving downloaded specification documents.