public void checkAddr(String aPath, String aSrv)
    {   srvN = aSrv;
        pathN = aPath;
       
        try
        {   Socket clientSocket = new Socket(srvN, portNum);
            DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
            BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
           
            c_s = "GET "+pathN+" HTTP/1.0"+'\r'+'\n'+"HOST: "+srvN+ '\r'+'\n';
            System.out.println("write to client out socket, the line is: "+'\n'+c_s);
            outToServer.writeBytes(c_s);
            System.out.println("wrote");
            s_c = inFromServer.readLine();
            System.out.println("got response");
            System.out.println(s_c);
            clientSocket.close();
        }
        catch (Exception e)
        {   System.out.println ("socket creation fail");
        }
    }