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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 1.1 by ajm, Sun Jan 14 21:22:34 2001 UTC vs.
Revision 1.23 by ajm, Mon Feb 26 18:40:25 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.*;
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 24 | 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: " + 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) {
56	<	_data = data;
101	>	private Conient(JPanel data, JPanel control) {
102		// set up the Frame
103	<	setTitle("I-Scream Client");
104	<	setSize(width, height);
60	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
61	<	Box box = Box.createVerticalBox();
103	>	super("Conient {an i-scream Client}");
104	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
105
106	<	// create the i-scream logo at the top
107	<	JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
108	<	JLabel comment = new JLabel("   I-Scream Client");
109	<	comment.setForeground( new Color(0, 0, 102));
67	<	Box header = Box.createHorizontalBox();
68	<	header.add(comment);
69	<	header.add(Box.createHorizontalGlue());
70	<	header.add(iscream);
71	<
72	<	ImageIcon icon = new ImageIcon("server.gif");
73	<	JTabbedPane tabbedPane = new JTabbedPane();
74	<	JPanel mainPanel = new JPanel();
75	<	mainPanel.setLayout(new GridLayout(21, 1));
106	>	// set what happens when the X in the corner is clicked
107	>	addWindowListener(new WindowAdapter() {
108	>	public void windowClosing(WindowEvent e) {System.exit(0);}
109	>	});
110
111	<	JPanel panel1 = makeTextPanel("Machine Name : ", _machine_name);
112	<	JPanel panel2 = makeTextPanel("IP : ", _ip);
79	<	JPanel panel3 = makeTextPanel("Date : ", _date);
80	<	JPanel panel4 = makeTextPanel("Sequence Number : ", _seq_no);
81	<	JPanel panel5 = makeTextPanel("sTime : ", _sTime);
82	<	JPanel panel6 = makeTextPanel("Load Average (1 min) : ", _load_load1);
83	<	JPanel panel7 = makeTextPanel("Load Average (5 min) : ", _load_load5);
84	<	JPanel panel8 = makeTextPanel("Load Average (15 min) : ", _load_load15);
85	<	JPanel panel9 = makeTextPanel("Processes Total : ", _processes_total);
86	<	JPanel panel10 = makeTextPanel("Processes Sleeping : ", _processes_sleeping);
87	<	JPanel panel11 = makeTextPanel("Processes Zombie : ", _processes_zombie);
88	<	JPanel panel12 = makeTextPanel("Processes Stopped : ", _processes_stopped);
89	<	JPanel panel13 = makeTextPanel("CPU % idle : ", _cpu_idle);
90	<	JPanel panel14 = makeTextPanel("CPU % user : ", _cpu_user);
91	<	JPanel panel15 = makeTextPanel("CPU % kernel : ", _cpu_kernel);
92	<	JPanel panel16 = makeTextPanel("CPU % i/o wait : ", _cpu_iowait);
93	<	JPanel panel17 = makeTextPanel("CPU % swapping : ", _cpu_swap);
94	<	JPanel panel18 = makeTextPanel("Real Memory : ", _memory_real);
95	<	JPanel panel19 = makeTextPanel("Real Free : ", _memory_free);
96	<	JPanel panel20 = makeTextPanel("Swap in use : ", _memory_swapinuse);
97	<	JPanel panel21 = makeTextPanel("Swap free : ", _memory_swapfree);
98	<	mainPanel.add(panel1);
99	<	mainPanel.add(panel2);
100	<	mainPanel.add(panel3);
101	<	mainPanel.add(panel4);
102	<	mainPanel.add(panel5);
103	<	mainPanel.add(panel6);
104	<	mainPanel.add(panel7);
105	<	mainPanel.add(panel8);
106	<	mainPanel.add(panel9);
107	<	mainPanel.add(panel10);
108	<	mainPanel.add(panel11);
109	<	mainPanel.add(panel12);
110	<	mainPanel.add(panel13);
111	<	mainPanel.add(panel14);
112	<	mainPanel.add(panel15);
113	<	mainPanel.add(panel16);
114	<	mainPanel.add(panel17);
115	<	mainPanel.add(panel18);
116	<	mainPanel.add(panel19);
117	<	mainPanel.add(panel20);
118	<	mainPanel.add(panel21);
111	>	// add the control pane to the top border
112	>	getContentPane().add(control, "North");
113
114	<	tabbedPane.addTab("Raptor", icon, mainPanel, "Monitor raptor.ukc.ac.uk");
115	<
116	<	tabbedPane.setSelectedIndex(0);
114	>	// create a scrollable pane for the data in the centre
115	>	JScrollPane scrollPane = new JScrollPane(data);
116	>	getContentPane().add(scrollPane, "Center");
117
118	<	// build the frame
119	<	box.add(header);
120	<	box.add(tabbedPane);
121	<	getContentPane().add(box);
118	>	// setup the status panel
119	>	JPanel bottom = new JPanel();
120	>	bottom.setLayout(new BorderLayout());
121	>	_messages.setEditable(false);
122	>	_messages.setRows(3);
123	>	JScrollPane messagesPane = new JScrollPane(_messages);
124	>	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
125	>	bottom.add(messagesPane, "Center");
126	>	JPanel statusPanel = new JPanel();
127	>	JPanel linkPanel = new JPanel();
128	>	linkPanel.setLayout(new GridLayout(1,2));
129	>	linkPanel.add(_controlStatus);
130	>	linkPanel.add(_dataStatus);
131	>	statusPanel.setLayout(new GridLayout(2,1));
132	>	statusPanel.add(linkPanel);
133	>	statusPanel.add(_queueStatus);
134	>	bottom.add(statusPanel, "South");
135
136	<	// show the window
136	>	// add the status panel to the bottom border
137	>	getContentPane().add(bottom, "South");
138	>
139	>	// a nice icon for the window
140	>	setIconImage((new ImageIcon("./uk/ac/ukc/iscream/conient/server.gif")).getImage());
141	>
142	>	// and just because we can, a silly splash screen
143	>	// of the dudes that did this funky gibble
144	>	Splash splash = new Splash();
145	>	splash.show();
146	>	// wait
147	>	try {
148	>	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
149	>	} catch (InterruptedException e) {
150	>	// don't do anything, we don't care
151	>	}
152	>	//loose the window
153	>	splash.dispose();
154	>	splash = null;
155	>	// show the main window
156		show();
157		}
158
159		//---PUBLIC METHODS---
160
135	–	public void run() {
136	–	_data.start();
137	–	while(true) {
138	–	String xml = _data.getXML();
139	–	if (xml == null) {
140	–	// nothing
141	–	} else {
142	–
143	–	// Get a string without any null characters in it.
144	–	//  -- maybe String.trim() would be better here ?
145	–	if (xml.indexOf(0) != -1) {
146	–	xml = xml.substring(0, xml.indexOf(0));
147	–	}
148	–	else {
149	–	xml = xml.substring(0, xml.length());
150	–	}
151	–
152	–	// Use XMLPacketMaker to make an XMLPacket object.
153	–	XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
154	–	XMLPacket packet = xmlPacketMaker.createXMLPacket();
155	–
156	–	_machine_name.setText(packet.getParam("packet.attributes.machine_name"));
157	–	_ip.setText(packet.getParam("packet.attributes.ip"));
158	–	_date.setText(packet.getParam("packet.attributes.date"));
159	–	_seq_no.setText(packet.getParam("packet.attributes.seq_no"));
160	–
161	–	_sTime.setText(packet.getParam("packet.sTime"));
162	–
163	–	_load_load1.setText(packet.getParam("packet.load.load1"));
164	–	_load_load5.setText(packet.getParam("packet.load.load5"));
165	–	_load_load15.setText(packet.getParam("packet.load.load15"));
166	–
167	–	_processes_total.setText(packet.getParam("packet.processes.total"));
168	–	_processes_sleeping.setText(packet.getParam("packet.processes.sleeping"));
169	–	_processes_zombie.setText(packet.getParam("packet.processes.zombie"));
170	–	_processes_stopped.setText(packet.getParam("packet.processes.stopped"));
171	–
172	–	_cpu_idle.setText(packet.getParam("packet.cpu.idle"));
173	–	_cpu_user.setText(packet.getParam("packet.cpu.user"));
174	–	_cpu_kernel.setText(packet.getParam("packet.cpu.kernel"));
175	–	_cpu_iowait.setText(packet.getParam("packet.cpu.iowait"));
176	–	_cpu_swap.setText(packet.getParam("packet.cpu.swap"));
177	–
178	–	_memory_real.setText(packet.getParam("packet.memory.real"));
179	–	_memory_free.setText(packet.getParam("packet.memory.free"));
180	–	_memory_swapinuse.setText(packet.getParam("packet.memory.swapinuse"));
181	–	_memory_swapfree.setText(packet.getParam("packet.memory.swapfree"));
182	–	}
183	–	}
184	–	}
185	–
161		//---PRIVATE METHODS---
162	+
163	+	//---ACCESSOR/MUTATOR METHODS---
164	+
165	+	/**
166	+	* Sets the control link status.
167	+	*
168	+	* @param status the message
169	+	*/
170	+	public static void setControlStatus(String status) {
171	+	_controlStatus.setText("Control Link: " + status);
172	+	_controlStatus.repaint();
173	+	}
174
175	<	protected JPanel makeTextPanel(String text, JLabel item) {
176	<	JPanel panel = new JPanel(false);
177	<	JLabel label = new JLabel(text);
178	<	label.setHorizontalAlignment(JLabel.RIGHT);
179	<	item.setHorizontalAlignment(JLabel.LEFT);
180	<	panel.setLayout(new GridLayout(1, 2));
181	<	panel.add(label);
182	<	panel.add(item);
196	<	return panel;
175	>	/**
176	>	* Sets the data link status.
177	>	*
178	>	* @param status the message
179	>	*/
180	>	public static void setDataStatus(String status) {
181	>	_dataStatus.setText("Data Link: " + status);
182	>	_dataStatus.repaint();
183		}
184
185	+	/**
186	+	* Updates the queue status.
187	+	*
188	+	* @param currentQueue
189	+	* @param numElements
190	+	*/
191	+	public static void setQueueStatus(int currentQueue, int numElements) {
192	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
193	+	_queueStatus.repaint();
194	+	}
195
196	<	//---ACCESSOR/MUTATOR METHODS---
196	>	/**
197	>	* Adds a system message to the messages list
198	>	*
199	>	* @param message the new message
200	>	*/
201	>	public static void addMessage(String message) {
202	>	_messages.insert(message + "\n", 0);
203	>	}
204
205		//---ATTRIBUTES---
203	–
204	–	JLabel _machine_name = new JLabel();
205	–	JLabel _ip = new JLabel();
206	–	JLabel _date = new JLabel();
207	–	JLabel _seq_no = new JLabel();
206
207	<	JLabel _sTime = new JLabel();
207	>	//---STATIC ATTRIBUTES---
208
209	<	JLabel _load_load1 = new JLabel();
210	<	JLabel _load_load5 = new JLabel();
211	<	JLabel _load_load15 = new JLabel();
209	>	/**
210	>	* Displays information about the data link
211	>	*/
212	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
213	>	{
214	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
215	>	}
216
217	<	JLabel _processes_total = new JLabel();
218	<	JLabel _processes_sleeping = new JLabel();
219	<	JLabel _processes_zombie = new JLabel();
220	<	JLabel _processes_stopped = new JLabel();
217	>	/**
218	>	* Displays information about the data link
219	>	*/
220	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
221	>	{
222	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
223	>	}
224
225	<	JLabel _cpu_idle = new JLabel();
226	<	JLabel _cpu_user = new JLabel();
227	<	JLabel _cpu_kernel = new JLabel();
228	<	JLabel _cpu_iowait = new JLabel();
229	<	JLabel _cpu_swap = new JLabel();
225	>	/**
226	>	* Displays information about the inbound data queue.
227	>	*/
228	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
229	>	{
230	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
231	>	}
232
233	<	JLabel _memory_real = new JLabel();
234	<	JLabel _memory_free = new JLabel();
235	<	JLabel _memory_swapinuse = new JLabel();
236	<	JLabel _memory_swapfree = new JLabel();
237	<	DataReader _data;
233	>	/**
234	>	* The place where system messages are written.
235	>	*/
236	>	static JTextArea _messages = new JTextArea();
237	>	{
238	>	_messages.setLineWrap(true);
239	>	}
240
241	<	//---STATIC ATTRIBUTES---
241	>	/**
242	>	* Holds a reference to the root frame for Conient
243	>	* This is only used by dialogs (specifically the configurationn
244	>	* dialog) so that it can be modal, please use the accessor.
245	>	*/
246	>	private static Frame conientFrame;
247
248	<	}
248	>	//---INNER CLASSES----
249	>
250	>	/**
251	>	* An inner class to display a splash screen
252	>	*/
253	>	private class Splash extends JWindow {
254	>
255	>	/**
256	>	* Constructs a new splash screen
257	>	*/
258	>	public Splash() {
259	>	setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
260	>	JPanel splash = new JPanel();
261	>	splash.setBackground(Color.black);
262	>	JLabel image = new JLabel((new ImageIcon("./uk/ac/ukc/iscream/conient/i-scream-splash.gif")));
263	>	splash.add(image);
264	>	setContentPane(splash);
265	>	Dimension screen = getToolkit().getScreenSize();
266	>	pack();
267	>	setLocation((screen.width - getSize().width) / 2,
268	>	(screen.height - getSize().height) / 2);
269	>
270	>
271	>	}
272	>	}
273	>	}

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