/** * method to start the udp server * * @param portAddress */ @SuppressWarnings("resource") public void TCPServer(int portAddress) { Socket socket = null; try { ServerSocket serverSocket = new ServerSocket(portAddress); while (true) { socket = serverSocket.accept(); InputStream is = socket.getInputStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); OutputStream os = socket.getOutputStream(); DataOutputStream dos = new DataOutputStream(os); String sendMessage = ""; String number = br.readLine(); String temp[]; temp = number.replace("$$$spliter$$$", "|").split("\\|"); // if user wants to get the time from the server if (temp[0].charAt(0) == '1' || temp[0].charAt(0) == '0') { String sendMessage1 = tsapp.name + ""; // if the user wants to get time in calender format if (temp[0].charAt(0) == '0') { Calendar c = Calendar.getInstance(); c.setTimeInMillis(tsapp.name); sendMessage1 = c.toInstant() + "\n"; } dos.writeBytes(sendMessage1 + "\n"); dos.flush(); } // if the user wants to set the time else if (temp[0].charAt(0) == '2') { // if the user did'nt send username or password if (temp[1].equals("")) sendMessage = ("Invalid User:\n"); // if the user sends username and password else if (temp[1].equals(tsapp.actualUserName + tsapp.actualPassWord)) { sendMessage = ("Valid User: Data set on the server is" + temp[2] + "\n"); tsapp.name = Long.parseLong(temp[2]); } // if the username and password does'nt match else sendMessage = ("Invalid User:\n"); dos.writeBytes(sendMessage + "\n"); dos.flush(); } } } catch (Exception e) { e.printStackTrace(); } finally { try { socket.close(); } catch (Exception e) { } } }
/** * method to start udp server * * @param portAddress * @throws IOException */ @SuppressWarnings("resource") public void UDPServer(int portAddress) throws IOException { DatagramSocket receiveSocket = new DatagramSocket(portAddress); while (true) { byte[] receivebuffer = new byte[1024]; byte sendBuffer[] = new byte[1024]; DatagramPacket receivePacket = new DatagramPacket(receivebuffer, receivebuffer.length); receiveSocket.receive(receivePacket); String number = new String((receivePacket.getData())).trim(); String temp[]; temp = number.replace("$$$spliter$$$", "|").split("\\|"); int port = receivePacket.getPort(); InetAddress inet = receivePacket.getAddress(); // if the user wants to get time if (temp[0].charAt(0) == '1' || temp[0].charAt(0) == '0') { String returnMessage = tsapp.name + "\n"; // to send time user in calender format if (temp[0].charAt(0) == '0') { Calendar c = Calendar.getInstance(); c.setTimeInMillis(tsapp.name); returnMessage = c.toInstant() + "\n"; } sendBuffer = returnMessage.getBytes(); DatagramPacket sendPacket = new DatagramPacket(sendBuffer, sendBuffer.length, inet, port); receiveSocket.send(sendPacket); } // if the user wants to set the time else if (temp[0].charAt(0) == '2') { String sendMessage; // if the user didnt send the username or password if (temp[1].equals("")) sendMessage = ("Invalid User:\n"); // if username and password is sent from user else if (temp[1].equals(tsapp.actualUserName + tsapp.actualPassWord)) { sendMessage = ("Valid User: Data set on the server is" + temp[2] + "\n"); tsapp.name = Long.parseLong(temp[2]); } // username and password does not match else sendMessage = ("Invalid User:\n"); // send the message to the client sendBuffer = sendMessage.getBytes(); DatagramPacket sendPacket = new DatagramPacket(sendBuffer, sendBuffer.length, inet, port); receiveSocket.send(sendPacket); } } }