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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.conient; |
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//---IMPORTS--- |
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import javax.swing.*; |
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import javax.swing.border.*; |
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import java.awt.Color; |
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import java.awt.*; |
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import java.awt.event.*; |
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import java.net.*; |
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import java.io.*; |
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/** |
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* NASTY AND BASIC, PLEASE DON'T COMPLAIN |
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* This is the main class of the Conient client. |
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* |
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* This sets up the control panel, the data panel |
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* and its own display. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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public class SwingClient extends JFrame implements Runnable { |
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public class Conient extends JFrame { |
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//---FINAL ATTRIBUTES--- |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision$"; |
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|
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/** |
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* The initial width of the window |
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*/ |
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private final int DEFAULT_WIDTH = 600; |
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private final int width = 300; |
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private final int height = 700; |
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/** |
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* The initial height of the window |
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*/ |
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private final int DEFAULT_HEIGHT = 600; |
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/** |
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* The i-scream server port |
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*/ |
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public static final int PORT = 4510; |
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|
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//---STATIC METHODS--- |
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/** |
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* The first method that is called. |
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* Sets up the various panels |
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* |
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* @param args the command line arguments |
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*/ |
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public static void main(String[] args) { |
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try { |
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String host = args[0]; |
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int port = 4510; |
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Socket socket = new Socket(host, port); |
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BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream())); |
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PrintWriter outBound = new PrintWriter(socket.getOutputStream()); |
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DataReader data = new DataReader(inBound); |
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// get the host from the command line if they gave it |
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String host = null; |
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if (args.length == 1) { |
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host = args[0]; |
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} |
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|
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// the data display panel |
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DataPanel data = new DataPanel(); |
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SwingClient cli = new SwingClient(data); |
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Thread cliThread = new Thread(cli); |
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cliThread.start(); |
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} catch (Exception e) { |
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System.err.println("ERROR: " + e); |
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} |
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// the control panel |
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ControlPanel control = new ControlPanel(data); |
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|
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// the main frame (passed the two panels) |
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Conient client = new Conient(data, control); |
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Conient.addMessage("Conient {an i-scream Client} © 2001 University of Kent & Project i-scream"); |
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Conient.addMessage("Conient ready."); |
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} |
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|
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//---CONSTRUCTORS--- |
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/** |
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* Creates a new Swing Client. |
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* Creates a new Swing Client Frame |
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*/ |
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public SwingClient(DataReader data) { |
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_data = data; |
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private Conient(JPanel data, JPanel control) { |
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// set up the Frame |
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setTitle("I-Scream Client"); |
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setSize(width, height); |
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setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); |
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Box box = Box.createVerticalBox(); |
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super("Conient {an i-scream Client}"); |
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setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT); |
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// create the i-scream logo at the top |
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JLabel iscream = new JLabel(new ImageIcon("i-scream.gif")); |
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JLabel comment = new JLabel(" I-Scream Client"); |
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comment.setForeground( new Color(0, 0, 102)); |
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Box header = Box.createHorizontalBox(); |
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header.add(comment); |
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header.add(Box.createHorizontalGlue()); |
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header.add(iscream); |
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ImageIcon icon = new ImageIcon("server.gif"); |
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JTabbedPane tabbedPane = new JTabbedPane(); |
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JPanel mainPanel = new JPanel(); |
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mainPanel.setLayout(new GridLayout(21, 1)); |
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// set what happens when the X in the corner is clicked |
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addWindowListener(new WindowAdapter() { |
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public void windowClosing(WindowEvent e) {System.exit(0);} |
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}); |
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JPanel panel1 = makeTextPanel("Machine Name : ", _machine_name); |
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JPanel panel2 = makeTextPanel("IP : ", _ip); |
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JPanel panel3 = makeTextPanel("Date : ", _date); |
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JPanel panel4 = makeTextPanel("Sequence Number : ", _seq_no); |
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JPanel panel5 = makeTextPanel("sTime : ", _sTime); |
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JPanel panel6 = makeTextPanel("Load Average (1 min) : ", _load_load1); |
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JPanel panel7 = makeTextPanel("Load Average (5 min) : ", _load_load5); |
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JPanel panel8 = makeTextPanel("Load Average (15 min) : ", _load_load15); |
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JPanel panel9 = makeTextPanel("Processes Total : ", _processes_total); |
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JPanel panel10 = makeTextPanel("Processes Sleeping : ", _processes_sleeping); |
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JPanel panel11 = makeTextPanel("Processes Zombie : ", _processes_zombie); |
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JPanel panel12 = makeTextPanel("Processes Stopped : ", _processes_stopped); |
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JPanel panel13 = makeTextPanel("CPU % idle : ", _cpu_idle); |
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JPanel panel14 = makeTextPanel("CPU % user : ", _cpu_user); |
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JPanel panel15 = makeTextPanel("CPU % kernel : ", _cpu_kernel); |
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JPanel panel16 = makeTextPanel("CPU % i/o wait : ", _cpu_iowait); |
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JPanel panel17 = makeTextPanel("CPU % swapping : ", _cpu_swap); |
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JPanel panel18 = makeTextPanel("Real Memory : ", _memory_real); |
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JPanel panel19 = makeTextPanel("Real Free : ", _memory_free); |
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JPanel panel20 = makeTextPanel("Swap in use : ", _memory_swapinuse); |
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JPanel panel21 = makeTextPanel("Swap free : ", _memory_swapfree); |
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mainPanel.add(panel1); |
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mainPanel.add(panel2); |
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mainPanel.add(panel3); |
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mainPanel.add(panel4); |
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mainPanel.add(panel5); |
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mainPanel.add(panel6); |
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mainPanel.add(panel7); |
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mainPanel.add(panel8); |
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mainPanel.add(panel9); |
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mainPanel.add(panel10); |
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mainPanel.add(panel11); |
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mainPanel.add(panel12); |
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mainPanel.add(panel13); |
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mainPanel.add(panel14); |
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mainPanel.add(panel15); |
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mainPanel.add(panel16); |
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mainPanel.add(panel17); |
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mainPanel.add(panel18); |
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mainPanel.add(panel19); |
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mainPanel.add(panel20); |
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mainPanel.add(panel21); |
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// add the control pane to the top border |
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getContentPane().add(control, "North"); |
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tabbedPane.addTab("Raptor", icon, mainPanel, "Monitor raptor.ukc.ac.uk"); |
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tabbedPane.setSelectedIndex(0); |
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// create a scrollable pane for the data in the centre |
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JScrollPane scrollPane = new JScrollPane(data); |
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getContentPane().add(scrollPane, "Center"); |
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// build the frame |
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box.add(header); |
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box.add(tabbedPane); |
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getContentPane().add(box); |
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// setup the status panel |
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JPanel bottom = new JPanel(); |
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bottom.setLayout(new BorderLayout()); |
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_messages.setEditable(false); |
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_messages.setRows(3); |
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JScrollPane messagesPane = new JScrollPane(_messages); |
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messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages ")); |
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bottom.add(messagesPane, "Center"); |
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JPanel statusPanel = new JPanel(); |
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JPanel linkPanel = new JPanel(); |
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linkPanel.setLayout(new GridLayout(2,1)); |
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linkPanel.add(_controlStatus); |
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linkPanel.add(_dataStatus); |
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statusPanel.setLayout(new GridLayout(1,3)); |
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statusPanel.add(linkPanel); |
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statusPanel.add(_queueStatus); |
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bottom.add(statusPanel, "South"); |
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// add the status panel to the bottom border |
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getContentPane().add(bottom, "South"); |
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|
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// show the window |
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show(); |
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} |
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//---PUBLIC METHODS--- |
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public void run() { |
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_data.start(); |
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while(true) { |
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String xml = _data.getXML(); |
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if (xml == null) { |
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// nothing |
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} else { |
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// Get a string without any null characters in it. |
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// -- maybe String.trim() would be better here ? |
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if (xml.indexOf(0) != -1) { |
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xml = xml.substring(0, xml.indexOf(0)); |
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} |
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else { |
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xml = xml.substring(0, xml.length()); |
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} |
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// Use XMLPacketMaker to make an XMLPacket object. |
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XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml); |
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XMLPacket packet = xmlPacketMaker.createXMLPacket(); |
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_machine_name.setText(packet.getParam("packet.attributes.machine_name")); |
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_ip.setText(packet.getParam("packet.attributes.ip")); |
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_date.setText(packet.getParam("packet.attributes.date")); |
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_seq_no.setText(packet.getParam("packet.attributes.seq_no")); |
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_sTime.setText(packet.getParam("packet.sTime")); |
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_load_load1.setText(packet.getParam("packet.load.load1")); |
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_load_load5.setText(packet.getParam("packet.load.load5")); |
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_load_load15.setText(packet.getParam("packet.load.load15")); |
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_processes_total.setText(packet.getParam("packet.processes.total")); |
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_processes_sleeping.setText(packet.getParam("packet.processes.sleeping")); |
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_processes_zombie.setText(packet.getParam("packet.processes.zombie")); |
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_processes_stopped.setText(packet.getParam("packet.processes.stopped")); |
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_cpu_idle.setText(packet.getParam("packet.cpu.idle")); |
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_cpu_user.setText(packet.getParam("packet.cpu.user")); |
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_cpu_kernel.setText(packet.getParam("packet.cpu.kernel")); |
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_cpu_iowait.setText(packet.getParam("packet.cpu.iowait")); |
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_cpu_swap.setText(packet.getParam("packet.cpu.swap")); |
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_memory_real.setText(packet.getParam("packet.memory.real")); |
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_memory_free.setText(packet.getParam("packet.memory.free")); |
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_memory_swapinuse.setText(packet.getParam("packet.memory.swapinuse")); |
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_memory_swapfree.setText(packet.getParam("packet.memory.swapfree")); |
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} |
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} |
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} |
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|
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//---PRIVATE METHODS--- |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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/** |
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* Sets the control link status. |
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* |
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* @param status the message |
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*/ |
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public static void setControlStatus(String status) { |
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_controlStatus.setText("Control Link: " + status); |
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_controlStatus.repaint(); |
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} |
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protected JPanel makeTextPanel(String text, JLabel item) { |
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JPanel panel = new JPanel(false); |
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JLabel label = new JLabel(text); |
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label.setHorizontalAlignment(JLabel.RIGHT); |
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item.setHorizontalAlignment(JLabel.LEFT); |
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panel.setLayout(new GridLayout(1, 2)); |
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panel.add(label); |
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panel.add(item); |
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return panel; |
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/** |
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* Sets the data link status. |
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* |
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* @param status the message |
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*/ |
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public static void setDataStatus(String status) { |
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_dataStatus.setText("Data Link: " + status); |
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_dataStatus.repaint(); |
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} |
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/** |
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* Updates the queue status. |
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* |
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* @param currentQueue |
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* @param numElements |
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*/ |
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public static void setQueueStatus(int currentQueue, int numElements) { |
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_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements); |
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_queueStatus.repaint(); |
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} |
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//---ACCESSOR/MUTATOR METHODS--- |
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/** |
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* Adds a system message to the messages list |
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* |
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* @param message the new message |
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*/ |
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public static void addMessage(String message) { |
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_messages.insert(message + "\n", 0); |
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} |
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//---ATTRIBUTES--- |
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JLabel _machine_name = new JLabel(); |
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JLabel _ip = new JLabel(); |
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JLabel _date = new JLabel(); |
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JLabel _seq_no = new JLabel(); |
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JLabel _sTime = new JLabel(); |
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//---STATIC ATTRIBUTES--- |
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JLabel _load_load1 = new JLabel(); |
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JLabel _load_load5 = new JLabel(); |
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JLabel _load_load15 = new JLabel(); |
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/** |
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* Displays information about the data link |
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*/ |
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static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT); |
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{ |
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_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED)); |
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} |
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JLabel _processes_total = new JLabel(); |
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JLabel _processes_sleeping = new JLabel(); |
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JLabel _processes_zombie = new JLabel(); |
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JLabel _processes_stopped = new JLabel(); |
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/** |
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* Displays information about the data link |
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*/ |
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static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT); |
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{ |
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_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED)); |
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} |
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JLabel _cpu_idle = new JLabel(); |
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JLabel _cpu_user = new JLabel(); |
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JLabel _cpu_kernel = new JLabel(); |
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JLabel _cpu_iowait = new JLabel(); |
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JLabel _cpu_swap = new JLabel(); |
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/** |
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* Displays information about the inbound data queue. |
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*/ |
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static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT); |
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{ |
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_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED)); |
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} |
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JLabel _memory_real = new JLabel(); |
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JLabel _memory_free = new JLabel(); |
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JLabel _memory_swapinuse = new JLabel(); |
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JLabel _memory_swapfree = new JLabel(); |
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DataReader _data; |
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//---STATIC ATTRIBUTES--- |
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|
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} |
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/** |
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* The place where system messages are written. |
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*/ |
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static JTextArea _messages = new JTextArea(); |
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} |