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root/i-scream/projects/cms/source/conient/uk/org/iscream/cms/conient/Conient.java

Comparing projects/cms/source/conient/uk/org/iscream/cms/conient/Conient.java (file contents):
Revision 1.4 by ajm, Mon Jan 15 00:12:31 2001 UTC vs.
Revision 1.24 by ajm, Tue Feb 27 03:09:58 2001 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	+	package uk.ac.ukc.iscream.conient;
3
4		//---IMPORTS---
5		import javax.swing.*;
6		import javax.swing.border.*;
6	–	import java.awt.Color;
7	–
7		import java.awt.*;
8		import java.awt.event.*;
10	–	import java.net.*;
11	–	import java.io.*;
12	–	import java.util.Date;
13	–	import java.text.DateFormat;
14	–	import java.util.Locale;
15	–	import java.util.HashMap;
9
10		/**
11	<	* NASTY AND BASIC, PLEASE DON'T COMPLAIN
11	>	* This is the main class of the Conient client.
12		*
13	+	* This sets up the control panel, the data panel
14	+	* and its own display.
15	+	*
16		* @author  $Author$
17		* @version $Id$
18		*/
19	<	public class SwingClient extends JFrame implements Runnable {
19	>	public class Conient extends JFrame {
20
21		//---FINAL ATTRIBUTES---
22
#	Line 28 | Line 24 | public class SwingClient extends JFrame implements Run
24		* The current CVS revision of this class
25		*/
26		public final String REVISION = "$Revision$";
27	+
28	+	/**
29	+	* The initial width of the window
30	+	*/
31	+	private final int DEFAULT_WIDTH = 600;
32
33	<	private final int width = 300;
34	<	private final int height = 700;
33	>	/**
34	>	* The initial height of the window
35	>	*/
36	>	private final int DEFAULT_HEIGHT = 600;
37
38	+	/**
39	+	* The default configuration fle
40	+	* This can be specified on the command line
41	+	*/
42	+	public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf";
43	+
44	+	/**
45	+	* The time in seconds to display the splash
46	+	* screen for
47	+	*/
48	+	public static final int DISPLAY_SPLASH_TIME_SECONDS = 3;
49	+
50		//---STATIC METHODS---
51
52	+	/**
53	+	* The first method that is called.
54	+	* Sets up the various panels
55	+	*
56	+	* @param args the command line arguments
57	+	*/
58		public static void main(String[] args) {
59	<	try {
60	<	String host = args[0];
61	<	int port = 4510;
62	<	Socket socket = new Socket(host, port);
63	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
64	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
65	<	DataReader data = new DataReader(inBound);
59	>	// get the host from the command line if they gave it
60	>	String host = null;
61	>	String configFile = DEFAULT_CONFIG_FILE;
62	>	if (args.length == 1) {
63	>	configFile = args[0];
64	>	}
65	>
66	>	// start the configuration system
67	>	Configuration.initialise(configFile);
68	>
69	>	// the data display panel
70	>	DataPanel data = new DataPanel();
71
72	<	SwingClient cli = new SwingClient(data);
73	<	Thread cliThread = new Thread(cli);
74	<	cliThread.start();
75	<	} catch (Exception e) {
76	<	System.err.println("ERROR START: " + e);
77	<	}
72	>	// the control panel
73	>	ControlPanel control = new ControlPanel(data);
74	>
75	>	// the main frame (passed the two panels)
76	>	Conient client = new Conient(data, control);
77	>	conientFrame = (Frame) client;
78	>	Conient.addMessage("Conient {an i-scream Client} © 2001 University of Kent & Project i-scream");
79	>
80	>	Conient.addMessage("Conient ready.");
81	>
82		}
83
84	+	/**
85	+	* A static accessor, allowing components of the system
86	+	* to get hold of the root frame of the system.
87	+	*
88	+	* see conientFrame attribute for details.
89	+	*
90	+	* @return the root Conient frame
91	+	*/
92	+	public static Frame getFrame() {
93	+	return conientFrame;
94	+	}
95	+
96		//---CONSTRUCTORS---
97
98		/**
99	<	* Creates a new Swing Client.
99	>	* Creates a new Swing Client Frame
100		*/
101	<	public SwingClient(DataReader data) {
60	<	_data = data;
101	>	private Conient(JPanel data, ControlPanel control) {
102		// set up the Frame
103	<	setTitle("I-Scream Client");
104	<	setSize(width, height);
105	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
106	<	Box box = Box.createVerticalBox();
103	>	super("Conient {an i-scream Client}");
104	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
105	>	setJMenuBar(control.getMenuBar());
106	>
107	>	// set what happens when the X in the corner is clicked
108	>	addWindowListener(new WindowAdapter() {
109	>	public void windowClosing(WindowEvent e) {System.exit(0);}
110	>	});
111
112	<	// create the i-scream logo at the top
113	<	JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
69	<	JLabel comment = new JLabel("   I-Scream Client");
70	<	comment.setForeground( new Color(0, 0, 102));
71	<	Box header = Box.createHorizontalBox();
72	<	header.add(comment);
73	<	header.add(Box.createHorizontalGlue());
74	<	header.add(iscream);
112	>	// add the control pane to the top border
113	>	getContentPane().add(control, "North");
114
115	<
116	<
117	<	//_tabbedPane.setSelectedIndex(0);
79	<
80	<	// build the frame
81	<	box.add(header);
82	<	box.add(_tabbedPane);
83	<	box.add(_status);
84	<	getContentPane().add(box);
115	>	// create a scrollable pane for the data in the centre
116	>	JScrollPane scrollPane = new JScrollPane(data);
117	>	getContentPane().add(scrollPane, "Center");
118
119	<	// show the window
120	<	show();
121	<	_status.setText("Running...");
122	<	}
119	>	// setup the status panel
120	>	JPanel bottom = new JPanel();
121	>	bottom.setLayout(new BorderLayout());
122	>	_messages.setEditable(false);
123	>	_messages.setRows(3);
124	>	JScrollPane messagesPane = new JScrollPane(_messages);
125	>	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
126	>	bottom.add(messagesPane, "Center");
127	>	JPanel statusPanel = new JPanel();
128	>	JPanel linkPanel = new JPanel();
129	>	linkPanel.setLayout(new GridLayout(1,2));
130	>	linkPanel.add(_controlStatus);
131	>	linkPanel.add(_dataStatus);
132	>	statusPanel.setLayout(new GridLayout(2,1));
133	>	statusPanel.add(linkPanel);
134	>	statusPanel.add(_queueStatus);
135	>	bottom.add(statusPanel, "South");
136
137	<	//---PUBLIC METHODS---
137	>	// add the status panel to the bottom border
138	>	getContentPane().add(bottom, "South");
139	>
140	>	// a nice icon for the window
141	>	setIconImage((new ImageIcon("./uk/ac/ukc/iscream/conient/server.gif")).getImage());
142
143	<	public void run() {
144	<	HashMap hostList = new HashMap();
143	>	// and just because we can, a silly splash screen
144	>	// of the dudes that did this funky gibble
145	>	Splash splash = new Splash();
146	>	splash.show();
147	>	// wait
148		try {
149	<	_data.start();
150	<	while(true) {
151	<	synchronized (_data) {
99	<	_data.wait();
100	<	}
101	<	String xml = _data.getXML();
102	<	if (xml == null) {
103	<	_status.setText("No XML to update...");
104	<	} else {
105	<
106	<	// Get a string without any null characters in it.
107	<	//  -- maybe String.trim() would be better here ?
108	<	if (xml.indexOf(0) != -1) {
109	<	xml = xml.substring(0, xml.indexOf(0));
110	<	}
111	<	else {
112	<	xml = xml.substring(0, xml.length());
113	<	}
114	<
115	<	// Use XMLPacketMaker to make an XMLPacket object.
116	<	XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
117	<	XMLPacket packet = xmlPacketMaker.createXMLPacket();
118	<	String hostName = packet.getParam("packet.attributes.machine_name");
119	<	if(!hostList.containsKey(hostName)) {
120	<	host = new HostDisplayPanel();
121	<	_tabbedPane.addTab(hostName, _serverIcon, host, "Monitor " + hostName);
122	<	hostList.put(hostName, host);
123	<	_status.setText("New Host added: " + hostName);
124	<	}
125	<	((HostDisplayPanel) hostList.get(hostName)).updateHost(packet);
126	<	}
149	>	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
150	>	} catch (InterruptedException e) {
151	>	// don't do anything, we don't care
152		}
153	<	} catch (Exception e) {
154	<	System.err.println("ERROR RUN: " + e);
155	<	}
153	>	//loose the window
154	>	splash.dispose();
155	>	splash = null;
156	>	// show the main window
157	>	show();
158		}
159
160	+	//---PUBLIC METHODS---
161	+
162		//---PRIVATE METHODS---
163	+
164	+	//---ACCESSOR/MUTATOR METHODS---
165	+
166	+	/**
167	+	* Sets the control link status.
168	+	*
169	+	* @param status the message
170	+	*/
171	+	public static void setControlStatus(String status) {
172	+	_controlStatus.setText("Control Link: " + status);
173	+	_controlStatus.repaint();
174	+	}
175
176	<	protected JPanel makeTextPanel(String text, Component item) {
177	<	JPanel panel = new JPanel(false);
178	<	JLabel label = new JLabel(text);
179	<	label.setHorizontalAlignment(JLabel.RIGHT);
180	<	//item.setHorizontalAlignment(JLabel.LEFT);
181	<	panel.setLayout(new GridLayout(1, 2));
182	<	panel.add(label);
183	<	panel.add(item);
143	<	return panel;
176	>	/**
177	>	* Sets the data link status.
178	>	*
179	>	* @param status the message
180	>	*/
181	>	public static void setDataStatus(String status) {
182	>	_dataStatus.setText("Data Link: " + status);
183	>	_dataStatus.repaint();
184		}
185
186	+	/**
187	+	* Updates the queue status.
188	+	*
189	+	* @param currentQueue
190	+	* @param numElements
191	+	*/
192	+	public static void setQueueStatus(int currentQueue, int numElements) {
193	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
194	+	_queueStatus.repaint();
195	+	}
196
197	<	//---ACCESSOR/MUTATOR METHODS---
197	>	/**
198	>	* Adds a system message to the messages list
199	>	*
200	>	* @param message the new message
201	>	*/
202	>	public static void addMessage(String message) {
203	>	_messages.insert(message + "\n", 0);
204	>	}
205
206		//---ATTRIBUTES---
150	–	HostDisplayPanel host;
151	–	JTabbedPane _tabbedPane = new JTabbedPane();
152	–
153	–	JLabel _machine_name = new JLabel();
154	–	JLabel _ip = new JLabel();
155	–	JLabel _date = new JLabel();
156	–	JLabel _seq_no = new JLabel();
207
208	<	JLabel _sTime = new JLabel();
208	>	//---STATIC ATTRIBUTES---
209
210	<	JLabel _load_load1 = new JLabel();
211	<	JLabel _load_load5 = new JLabel();
212	<	JLabel _load_load15 = new JLabel();
213	<
164	<	JLabel _processes_total = new JLabel();
165	<	JLabel _processes_sleeping = new JLabel();
166	<	JLabel _processes_zombie = new JLabel();
167	<	JLabel _processes_stopped = new JLabel();
168	<
169	<	int min = 0;
170	<	int max = 100;
171	<	JProgressBar _cpu_idle = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
210	>	/**
211	>	* Displays information about the data link
212	>	*/
213	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
214		{
215	<	_cpu_idle.setStringPainted(true);
215	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
216		}
217	<	JProgressBar _cpu_user = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
217	>
218	>	/**
219	>	* Displays information about the data link
220	>	*/
221	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
222		{
223	<	_cpu_user.setStringPainted(true);
223	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
224		}
225	<	JProgressBar _cpu_kernel = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
225	>
226	>	/**
227	>	* Displays information about the inbound data queue.
228	>	*/
229	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
230		{
231	<	_cpu_kernel.setStringPainted(true);
231	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
232		}
233	<	JProgressBar _cpu_iowait = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
233	>
234	>	/**
235	>	* The place where system messages are written.
236	>	*/
237	>	static JTextArea _messages = new JTextArea();
238		{
239	<	_cpu_iowait.setStringPainted(true);
239	>	_messages.setLineWrap(true);
240		}
187	–	JProgressBar _cpu_swap = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
188	–	{
189	–	_cpu_swap.setStringPainted(true);
190	–	}
241
242	<	JLabel _memory_real = new JLabel();
243	<	JLabel _memory_free = new JLabel();
244	<	JLabel _memory_swapinuse = new JLabel();
245	<	JLabel _memory_swapfree = new JLabel();
246	<	DataReader _data;
247	<	JLabel _status = new JLabel();
198	<	ImageIcon _serverIcon = new ImageIcon("server.gif");
242	>	/**
243	>	* Holds a reference to the root frame for Conient
244	>	* This is only used by dialogs (specifically the configurationn
245	>	* dialog) so that it can be modal, please use the accessor.
246	>	*/
247	>	private static Frame conientFrame;
248
249	<	//---STATIC ATTRIBUTES---
250	<
251	<	}
249	>	//---INNER CLASSES----
250	>
251	>	/**
252	>	* An inner class to display a splash screen
253	>	*/
254	>	private class Splash extends JWindow {
255	>
256	>	/**
257	>	* Constructs a new splash screen
258	>	*/
259	>	public Splash() {
260	>	setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
261	>	JPanel splash = new JPanel();
262	>	splash.setBackground(Color.black);
263	>	JLabel image = new JLabel((new ImageIcon("./uk/ac/ukc/iscream/conient/i-scream-splash.gif")));
264	>	splash.add(image);
265	>	setContentPane(splash);
266	>	Dimension screen = getToolkit().getScreenSize();
267	>	pack();
268	>	setLocation((screen.width - getSize().width) / 2,
269	>	(screen.height - getSize().height) / 2);
270	>
271	>
272	>	}
273	>	}
274	>	}

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