Intermediate results of net-install support implementation.

Front-end 80% ready. Backend 5% ready.

src/main/java/nsusbloader/NET/NETCommunications.java

@@ -0,0 +1,62 @@
+package nsusbloader.NET;
+
+import javafx.concurrent.Task;
+
+import java.io.*;
+import java.net.*;
+
+public class NETCommunications extends Task<Void> { // todo: thows IOException
+
+    private String hostIP;
+    private String switchIP;
+
+    private ServerSocket serverSocket;
+
+    public NETCommunications(String switchIP){
+        this.switchIP = switchIP;
+        try{        // todo: check other method if internet unavaliable
+            DatagramSocket socket = new DatagramSocket();
+            socket.connect(InetAddress.getByName("8.8.8.8"), 10002);    //193.0.14.129 RIPE NCC
+            hostIP = socket.getLocalAddress().getHostAddress();
+            System.out.println(hostIP);
+            socket.close();
+        }
+        catch (SocketException | UnknownHostException e){
+            e.printStackTrace();
+        }
+
+        try {
+            serverSocket = new ServerSocket(6000); // TODO: randomize
+            //System.out.println(serverSocket.getInetAddress()); 0.0.0.0
+        }
+        catch (IOException ioe){
+            ioe.printStackTrace();
+            System.out.println("unable to use socket");
+        }
+    }
+
+    @Override
+    protected Void call() throws Exception {
+        Socket clientSocket = serverSocket.accept();
+
+        InputStream is = clientSocket.getInputStream();
+        InputStreamReader isr = new InputStreamReader(is);
+        BufferedReader br = new BufferedReader(isr);
+
+        OutputStream os = clientSocket.getOutputStream();
+        OutputStreamWriter osr = new OutputStreamWriter(os);
+        PrintWriter pw = new PrintWriter(osr);
+
+        String line;
+        while ((line = br.readLine()) != null) {
+            if (line.equals("hello world")) {
+                pw.write("stop doing it!");
+                pw.flush();
+                break;
+            }
+            System.out.println(line);
+        }
+        serverSocket.close();
+        return null;
+    }
+}