Added functionality for more than one visualiser to connect to the mock.

- more than one visualiser can now connect to the mock.
- Created class ConnectionAcceptor that will accept and allocate to each socket
- Issue of sockets connecting after the race starts then disconnecting will use a socket slot.
#story[1010]

racevisionGame/src/main/java/visualiser/Controllers/ConnectionController.java

@@ -75,6 +75,7 @@ public class ConnectionController extends Controller {
         try{
             RaceConnection connection = connectionTable.getSelectionModel().getSelectedItem();
             Socket socket = new Socket(connection.getHostname(), connection.getPort());
+            socket.setKeepAlive(true);
             connectionWrapper.setVisible(false);
             parent.enterLobby(socket);
         } catch (IOException e) { /* Never reached */ }

racevisionGame/src/main/java/visualiser/app/VisualiserInput.java

@@ -20,6 +20,7 @@ import java.nio.ByteBuffer;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ArrayBlockingQueue;
 
 import static network.Utils.ByteConverter.bytesToShort;
 
@@ -372,6 +373,4 @@ public class VisualiserInput implements Runnable {
         }
     }
 
-
-
 }

racevisionGame/src/main/java/visualiser/model/RaceConnection.java

@@ -33,6 +33,10 @@ public class RaceConnection {
         try (Socket s = new Socket()){
             s.connect(i, 750);//TODO this should be at least a second or two, once moved to its own thread
             status.set("Ready");
+            s.shutdownInput();
+            s.shutdownOutput();
+            s.close();
+            System.out.println(String.valueOf(s.isClosed()));
             return true;
         } catch (IOException e) {}