diff --git a/assignments/src/MV3500Cohort2020JulySeptember/homework3/Weissenberger/TCPNumberReceiverUDPResultSender.java b/assignments/src/MV3500Cohort2020JulySeptember/homework3/Weissenberger/TCPNumberReceiverUDPResultSender.java
deleted file mode 100644
index be5d218f928916fef4a2c5ceb185d6e9d72d3c68..0000000000000000000000000000000000000000
--- a/assignments/src/MV3500Cohort2020JulySeptember/homework3/Weissenberger/TCPNumberReceiverUDPResultSender.java
+++ /dev/null
@@ -1,164 +0,0 @@
-package MV3500Cohort2020JulySeptember.homework3.Weissenberger;
-
-import java.io.BufferedReader;
-import java.io.ByteArrayOutputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-import java.net.InetAddress;
-import java.net.ServerSocket;
-import java.net.Socket;
-
-/**
- * This class will be connected by an TCP sender over VPN (argon), calculating
- * a result of an equation and send the result back via UDP over VPN.
- * @date 08/17/2020
- * @author Loki
- * @group Weissenberger/Goericke
- */
-public class TCPNumberReceiverUDPResultSender {
-
- // Change this to the port where the TCP server is listening
- private static final int TCP_ARGON_SERVER_PORT = 2317;
-
- /**
- * @param args the command line arguments
- */
- public static void main(String[] args) {
- try {
-
- // ServerSocket waits for a connection from a client.
- System.out.println("TCPNumberReceiver has started...");
- ServerSocket serverSocket = new ServerSocket(TCP_ARGON_SERVER_PORT);
- InetAddress remoteAddress;
-
- InputStream inputStream;
- InputStreamReader inputStreamReader;
- BufferedReader bufferedReader;
- String clientMessage;
- int number1, number2;
- String calculation_Method;
- int iUDPResultReceivingPort;
- // 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())
- {
- // Now hook everything up (i.e. set up the streams), Java style:
- inputStream = clientConnectionSocket.getInputStream();
- inputStreamReader = new InputStreamReader(inputStream);
- bufferedReader = new BufferedReader(inputStreamReader);
- clientMessage = bufferedReader.readLine();
- number1 = Integer.parseInt(bufferedReader.readLine());
- number2 = Integer.parseInt(bufferedReader.readLine());
- calculation_Method = bufferedReader.readLine();
- iUDPResultReceivingPort = Integer.parseInt(bufferedReader.readLine());
- System.out.println("Message recived: "+clientMessage);
- System.out.println("Number 1 recived: "+number1);
- System.out.println("Number 2 recived: "+number2);
- System.out.println("Calc Method recived: "+calculation_Method);
- System.out.println("Send result to port: "+iUDPResultReceivingPort);
- // This includes the port and IP numbers on both sides (the socket pair).
- remoteAddress = clientConnectionSocket.getInetAddress();
-
- System.out.println("Send result to IP: "+remoteAddress.getHostAddress());
-
- // try to send the calculated result as a float via UDP...
- sendResultViaUDP(calculateResult(number1, number2, calculation_Method), remoteAddress, iUDPResultReceivingPort);
- }
- }
- } 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!");
- }
- }
- }
-
- private static void sendResultViaUDP(float result, InetAddress inetAddress, int port) 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();
-
- DatagramPacket datagramPacket = new DatagramPacket(byteArray, byteArray.length, inetAddress, port);
-
- for (int index = 1; index <= 10; index++)
- {
- dos.writeFloat (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();
- }
- }
-
- /**
- * calculates the result based on given numbers and operator
- * @param n1 first number
- * @param n2 second number
- * @param operator
- * @return the result as a float
- */
- private static float calculateResult(int n1, int n2, String operator){
- float result = -1;
- switch (operator) {
- case "+":
- result = n1 + n2;
- break;
- case "-":
- result = n1 - n2;
- break;
- case "*":
- result = n1 * n2;
- break;
- case "/":
- result = n1 / n2;
- break;
- default:
- System.err.println(operator +" is not a valid operator!");
- break;
- }
- return result;
- }
-}