Fixed blocking issue

- Fixed byte stream error where it would reinitilise every run
#story[782]

visualiser/src/main/java/seng302/VisualiserInput.java

@@ -9,6 +9,7 @@ import seng302.Networking.Utils.*;
 import javax.xml.parsers.ParserConfigurationException;
 import java.io.*;
 import java.net.*;
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.text.ParseException;
@@ -50,11 +51,13 @@ public class VisualiserInput implements Runnable
 
     private RaceStartStatus raceStartStatus;
 
+    private BufferedInputStream inStream;
+
     public VisualiserInput(Socket socket, StreamedCourse course) throws IOException{
 
         this.connectionSocket = socket;
 //        this.connectionSocket = new Socket("livedata.americascup.com",4941);
-
+        this.inStream = new BufferedInputStream(connectionSocket.getInputStream());
         this.course = course;
         this.boatLocation = new HashMap<>();
         this.boatStatus = new HashMap<>();
@@ -143,11 +146,11 @@ public class VisualiserInput implements Runnable
     /**
      * Takes an inputStream and reads the first 15 bytes (the header) and gets the message length
      * for the whole message then reads that and returns the byte array
-     * @param inStream inputStream from socket
      * @return encoded binary messsage bytes
      * @throws IOException made by the inputstream reading
      */
-     private static byte[] getBytes(InputStream inStream) throws IOException {
+     private byte[] getBytes() throws IOException {
+         inStream.mark(0);
          if (inStream.available() < 15) return null;//if there is not enough bytes foer the headerr
          byte[] headerBytes = new byte[15];
          inStream.read(headerBytes);
@@ -170,11 +173,8 @@ public class VisualiserInput implements Runnable
              //receiver loop that gets the input
              boolean receiverLoop = true;
              while(receiverLoop) {
-                 //gets the input from the socket
-                 InputStream inFromClient = connectionSocket.getInputStream();
-
                  //converts the input into a byte array that can be read by the decoder
-                 byte[] binaryMessage = getBytes(inFromClient);
+                 byte[] binaryMessage = getBytes();
                  //if there is no bytes read.
                  if (binaryMessage == null){
                      continue;