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Commit 361d9230 authored by bweissenbergergy's avatar bweissenbergergy
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initial commit final project 

09/05/2020
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assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduReceiverEspduVPNSender.java 0 → 100755
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View file @ 361d9230
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* somewhat outdated--PDUs can be larger--but this is a reasonable starting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
assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/GermanyEspduVPNReceiver.java 0 → 100755
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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
assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TCPReceiverVPNBridge.java deleted 100644 → 0
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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!");
}
}
}
}
assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/TcpServerForFinal.java deleted 100644 → 0
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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();
}
}
}
assignments/src/MV3500Cohort2020JulySeptember/homework4/WeissenbergerGoericke/UDPResultReceiver.java deleted 100644 → 0
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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
}
}
}
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