diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduReceiverEspduVPNSender.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduReceiverEspduVPNSender.java
new file mode 100755
index 0000000000000000000000000000000000000000..9f48a19dbd11707777bd3f198a8e9b27494137c1
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduReceiverEspduVPNSender.java
@@ -0,0 +1,130 @@
+package MV3500Cohort2020JulySeptember.homework4.WeissenbergerGoericke;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Receives PDUs from mobile devise in IEEE DIS format. Send it over VPN (argon)
+ * to Stefan's PDU Receiver
+ *
+ * @date 09/05/2020
+ * @author Bernd
+ * @version 0.1
+ */
+public class GermanyEspduReceiverEspduVPNSender {
+
+ /**
+ * Stefan's IP in argon
+ */
+ public static final String VPN_RECEIVER_ADDRESS = "10.0.105.10";
+
+ /**
+ * 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+ * somewhat outdated--PDUs can be larger--but this is a reasonable starting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 port used, matches Wireshark DIS capture default
+ */
+ public static final int DEFAULT_PORT = 3000;
+
+ /**
+ * Output prefix to identify this class
+ */
+ private final static String TRACE_PREFIX = "[" + GermanyEspduVPNReceiver.class.getName() + "] ";
+
+ public static void main(String args[]) {
+ System.out.println(TRACE_PREFIX + "started...");
+
+ MulticastSocket socket;
+ DatagramPacket packet;
+ PduFactory pduFactory = new PduFactory();
+ int pduCount = 0;
+
+ try {
+ // Specify the socket to receive data
+ socket = new MulticastSocket(DEFAULT_PORT);
+
+
+
+ System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT);
+ System.out.println("===============");
+
+ 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());
+ }
+
+ // end iterator loop through PDU bundle
+ for (Pdu aPdu : pduBundle) {
+ pduCount++;
+ String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+ + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName();
+ if (aPdu instanceof EntityStatePdu) {
+ 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() + "]");
+ sendESPDU((EntityStatePdu) aPdu);
+ }else {
+ System.out.println(receiptMessage);
+ }
+
+ } // end of bundle loop
+ } // end of while loop
+ } // end try block // end try block // end try block // end try block
+ catch (IOException ioe) {
+ System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+ System.out.println(ioe);
+ }
+ System.out.println(TRACE_PREFIX + "complete.");
+ } // end main
+
+ public static void sendESPDU(EntityStatePdu espdu) {
+ MulticastSocket socket = null; // must be initialized, even if null
+ InetAddress destinationIp = null; // must be initialized, even if null
+
+ try {
+ destinationIp = InetAddress.getByName(VPN_RECEIVER_ADDRESS);
+ } catch (UnknownHostException e) {
+ System.out.println(e + " Cannot create address");
+ System.exit(0);
+ }
+ try {
+ // Set up a socket to send information
+ socket = new MulticastSocket(DEFAULT_PORT);
+ } catch (IOException ex) {
+ Logger.getLogger(GermanyEspduReceiverEspduVPNSender.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+ Set<InetAddress> broadcastAddresses;
+ // Loop through sending N ESPDUs
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ DataOutputStream dos = new DataOutputStream(baos);
+ try {
+ espdu.marshal(dos);
+ byte[] data = baos.toByteArray();
+
+ DatagramPacket packet = new DatagramPacket(data, data.length, destinationIp, DEFAULT_PORT);
+ socket.send(packet);
+ } catch (Exception ex) {
+ Logger.getLogger(GermanyEspduReceiverEspduVPNSender.class.getName()).log(Level.SEVERE, null, ex);
+ }
+ } // end sendESPDU
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduVPNReceiver.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduVPNReceiver.java
new file mode 100755
index 0000000000000000000000000000000000000000..9615649a8a83fb7bc66110f0596bab5c5a4fc29c
--- /dev/null
+++ b/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduVPNReceiver.java
@@ -0,0 +1,88 @@
+package MV3500Cohort2020JulySeptember.homework4.WeissenbergerGoericke;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+
+import edu.nps.moves.dis7.pdus.*;
+import edu.nps.moves.dis7.utilities.*;
+
+/**
+ * Receives PDUs from GermanyEspduReceiverEspduVPNSender in IEEE DIS format.
+ *
+ * @date 09/05/2020
+ * @author Bernd/Stefan
+ * @version 0.1
+ */
+public class GermanyEspduVPNReceiver {
+
+ /**
+ * 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 port used, matches Wireshark DIS capture default
+ */
+ public static final int DEFAULT_PORT = 3000;
+
+ /**
+ * Output prefix to identify this class
+ */
+ private final static String TRACE_PREFIX = "[" + GermanyEspduVPNReceiver.class.getName() + "] ";
+
+ public static void main(String args[]) {
+ System.out.println(TRACE_PREFIX + "started...");
+
+ MulticastSocket socket;
+ DatagramPacket packet;
+ PduFactory pduFactory = new PduFactory();
+ int pduCount = 0;
+
+ try {
+ // Specify the socket to receive data
+ socket = new MulticastSocket(DEFAULT_PORT);
+
+
+
+ System.out.println(TRACE_PREFIX + "listening for PDU packets on port " + DEFAULT_PORT);
+ System.out.println("===============");
+
+ 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());
+ }
+
+ // end iterator loop through PDU bundle
+ for (Pdu aPdu : pduBundle) {
+ pduCount++;
+ String receiptMessage = String.format("%3s", pduCount) // right justify, 3 characters
+ + ". received PDU type " + aPdu.getPduType().getValue() + "=" + aPdu.getPduType().name() + " " + aPdu.getClass().getName();
+ if (aPdu instanceof EntityStatePdu) {
+ 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 {
+ System.out.println(receiptMessage);
+ }
+ } // end of bundle loop
+ } // end of while loop
+ } // end try block // end try block // end try block // end try block
+ catch (IOException ioe) {
+ System.out.println(TRACE_PREFIX + "Problem with input/output, see exception trace:");
+ System.out.println(ioe);
+ }
+ System.out.println(TRACE_PREFIX + "complete.");
+ } // end main
+} // end class
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TCPReceiverVPNBridge.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TCPReceiverVPNBridge.java
deleted file mode 100644
index 9c051f935efe94615f9c3102a73ba91f095caeac..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TCPReceiverVPNBridge.java
+++ /dev/null
@@ -1,99 +0,0 @@
-
-package MV3500Cohort2020JulySeptember.homework4.WeissenbergerGoericke;
-
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.PrintStream;
-import java.net.InetAddress;
-import java.net.ServerSocket;
-import java.net.Socket;
-
-/**
- * Just for me for testing - not part of Homework #3!
- * @author Loki
- */
-public class TCPReceiverVPNBridge {
-
- protected static String server_IP_VPN = "10.1.105.9"; // argon IP
- protected static String server_IP_Local = "192.168.188.103"; // Local IP
-
- private static final int server_Port = 2317 ;
- protected static String client_IP ;
-
- /**
- * @param args the 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("TcpExample3Server has started..."); // it helps debugging to put this on console first
-
- ServerSocket serverSocket = new ServerSocket(server_Port);
- 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."); // 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 + ": ");
-
- // 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?
- System.out.println("TcpExample3Server socket pair showing host name, address, port:");
- System.out.println(" (( " +
- localAddress.getHostName() + "=" + localAddress.getHostAddress() + ", " + localPort + " ), ( " +
- remoteAddress.getHostName() + "=" + remoteAddress.getHostAddress() + ", " + remotePort + " ))");
-
- if ( localAddress.getHostName().equals( localAddress.getHostAddress()) ||
- remoteAddress.getHostName().equals(remoteAddress.getHostAddress()))
- System.out.println(" note HostName matches address if host has no DNS name");
-
- // 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 TcpExample3Server 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!");
- }
- }
- }
-
-}
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TcpServerForFinal.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TcpServerForFinal.java
deleted file mode 100644
index f7a8082ede0b933c2927c45b470ebe83394c4f9a..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TcpServerForFinal.java
+++ /dev/null
@@ -1,152 +0,0 @@
-package MV3500Cohort2020JulySeptember.homework4.WeissenbergerGoericke;
-
-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 TcpServerForFinal {
-
- public static final String DEST_INET_AD = "127.0.0.1";
- public static final String LOCAL_WIFI_INET = "192.168.188.106";
-
- 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("TcpExample3Server has started..."); // it helps debugging to put this on console first
-
- //ServerSocket serverSocket = new ServerSocket(2317);
- InetAddress[] ia = InetAddress.getAllByName(LOCAL_WIFI_INET);
- for (int i = 0;i < ia.length; i++){
- System.out.println("---: "+ia[i]);
- }
- ServerSocket serverSocket = new ServerSocket(2317, 100, ia[0]);
-
- InputStream is;
- InputStreamReader isr;
- BufferedReader br;
- String serverMessage;
-
-
- 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) {
- System.out.println("Look for connection....");
- // 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:
- is = clientConnectionSocket.getInputStream();
- isr = new InputStreamReader(is);
- br = new BufferedReader(isr);
-
- serverMessage = br.readLine();
- System.out.println("The message the mobile sent was: '" + serverMessage + "'");
- // 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.println ("Server loop " + serverLoopCount + ": ");
-
- System.out.println("TcpExample3Server socket pair showing host name, address, port:");
-
- }
- sendResultViaUDP(serverMessage);
- }
- } catch (IOException e) {
- System.err.println("Problem with TcpExample3Server 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!");
- }
- }
- }
-
- /**
- * send the result to Stefan 2x
- * @param result
- * @param inetAddress Stefans's IP
- * @param port Stefans's UDP port number
- * @throws IOException
- */
- private static void sendResultViaUDP(String result) throws IOException{
- DatagramSocket udpSocket = null;
- DataOutputStream dos = null;
-
- try
- {
- // Create a UDP socket
- udpSocket = new DatagramSocket(); // let system assign output port, then SENDING_PORT not needed
-
- // Put together a message with binary content. "ByteArrayOutputStream"
- // is a java.io utility that lets us put together an array of binary
- // data, which we put into the UDP packet.
-
- ByteArrayOutputStream baos = new ByteArrayOutputStream(1500); // how many bytes are in buffer? MTU=1500 is good
- dos = new DataOutputStream(baos); // wrapper for writing values, connects both streams
-
- // Put together a packet to send
- // these types and order of variables must match on sender and receiver
- byte[] byteArray = baos.toByteArray();
- InetAddress destinationAddress = InetAddress.getByName(DEST_INET_AD);
- DatagramPacket datagramPacket = new DatagramPacket(byteArray, byteArray.length, destinationAddress, 1415);
-
- for (int index = 1; index <= 2; index++)
- {
- dos.writeUTF (result);
- dos.flush(); // sends DataOutputStream to ByteArrayOutputStream
- byteArray = baos.toByteArray(); // OK so go get the flushed result...
- datagramPacket.setData(byteArray); // and put it in the packet...
- udpSocket.send(datagramPacket); // and send it away. boom gone, nonblocking.
-
- Thread.sleep(1000); // Send packets at rate of one per second
- baos.reset(); // clear the output stream after sending
- }
- dos.close();
- }
- catch (IOException | InterruptedException e)
- {
- System.err.println("Problem with UdpSender, see exception trace:");
- System.err.println(e);
- }
- finally // clean up prior to exit, don't want to leave behind zombies
- {
- if (udpSocket != null)
- udpSocket.close();
-
- if (dos != null)
- dos.close();
- }
- }
-}
diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/UDPResultReceiver.java b/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/UDPResultReceiver.java
deleted file mode 100644
index 36390f308218cd8d9d9b43b2a0b9b120e5321922..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/UDPResultReceiver.java
+++ /dev/null
@@ -1,71 +0,0 @@
-
-package MV3500Cohort2020JulySeptember.homework4.Weissenberger;
-
-import java.io.ByteArrayInputStream;
-import java.io.DataInputStream;
-import java.io.IOException;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-
-/**
- * This class will be connected by an UDP sender over VPN (argon)
- * @date 09/02/2020
- * @author Loki
- * @group Weissenberger/Goericke
- */
-public class UDPResultReceiver {
-
- public static final int RECEIVING_PORT = 1415;
-
- /**
- * @param args the command line arguments
- * @throws java.io.IOException
- */
- public static void main(String[] args) throws IOException
- {
- DatagramSocket udpSocket = null;
-
- try
- {
- System.out.println(UDPResultReceiver.class.getName() + " started...");
-
- // Create a UDP socket
- udpSocket = new DatagramSocket(RECEIVING_PORT);
- udpSocket.setReceiveBufferSize(1500); // how many bytes are in buffer? MTU=1500 is good
- udpSocket.setBroadcast(false); // we're just receiving here
-
- byte[] byteArray = new byte[1500];
- DatagramPacket receivePacket = new DatagramPacket(byteArray, byteArray.length);
-
- ByteArrayInputStream bais = new ByteArrayInputStream(byteArray);
- DataInputStream dis = new DataInputStream(bais);
-
- String received;
-
- // You need a new receiving packet to read from every packet received
- while (true)
- {
- udpSocket.receive(receivePacket); // blocks until packet is received
-
- received = dis.readUTF();
-
- dis.reset(); // now clear the input stream after reading, in preparation for next loop
-
- System.out.println("Received from Bernd: "+received);
-
- }
- }
- catch(IOException e)
- {
- System.err.println("Problem with UdpReceiver, see exception trace:");
- System.err.println(e);
- }
- finally // clean up prior to exit, don't want to leave behind zombie socket
- {
- if (udpSocket != null)
- udpSocket.close();
- System.out.println(UDPResultReceiver.class.getName() + " complete."); // all done
- }
- }
-
-}