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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 1.23 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.*;
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, JPanel control) {
102		// set up the Frame
103	<	setTitle("I-Scream Client");
104	<	setSize(width, height);
64	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
65	<	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));
110	<	Box header = Box.createHorizontalBox();
111	<	header.add(comment);
112	<	header.add(Box.createHorizontalGlue());
74	<	header.add(iscream);
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	>	// add the control pane to the top border
112	>	getContentPane().add(control, "North");
113
114	<
115	<
116	<	//_tabbedPane.setSelectedIndex(0);
79	<
80	<	// build the frame
81	<	box.add(header);
82	<	box.add(_tabbedPane);
83	<	box.add(_status);
84	<	getContentPane().add(box);
114	>	// create a scrollable pane for the data in the centre
115	>	JScrollPane scrollPane = new JScrollPane(data);
116	>	getContentPane().add(scrollPane, "Center");
117
118	<	// show the window
119	<	show();
120	<	_status.setText("Running...");
121	<	}
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	<	//---PUBLIC METHODS---
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	<	public void run() {
143	<	HashMap hostList = new HashMap();
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	<	_data.start();
149	<	while(true) {
150	<	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	<	}
148	>	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
149	>	} catch (InterruptedException e) {
150	>	// don't do anything, we don't care
151		}
152	<	} catch (Exception e) {
153	<	System.err.println("ERROR RUN: " + e);
154	<	}
152	>	//loose the window
153	>	splash.dispose();
154	>	splash = null;
155	>	// show the main window
156	>	show();
157		}
158
159	+	//---PUBLIC METHODS---
160	+
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, Component 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);
143	<	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---
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();
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();
212	<
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);
209	>	/**
210	>	* Displays information about the data link
211	>	*/
212	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
213		{
214	<	_cpu_idle.setStringPainted(true);
214	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
215		}
216	<	JProgressBar _cpu_user = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
216	>
217	>	/**
218	>	* Displays information about the data link
219	>	*/
220	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
221		{
222	<	_cpu_user.setStringPainted(true);
222	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
223		}
224	<	JProgressBar _cpu_kernel = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
224	>
225	>	/**
226	>	* Displays information about the inbound data queue.
227	>	*/
228	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
229		{
230	<	_cpu_kernel.setStringPainted(true);
230	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
231		}
232	<	JProgressBar _cpu_iowait = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
232	>
233	>	/**
234	>	* The place where system messages are written.
235	>	*/
236	>	static JTextArea _messages = new JTextArea();
237		{
238	<	_cpu_iowait.setStringPainted(true);
238	>	_messages.setLineWrap(true);
239		}
187	–	JProgressBar _cpu_swap = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
188	–	{
189	–	_cpu_swap.setStringPainted(true);
190	–	}
240
241	<	JLabel _memory_real = new JLabel();
242	<	JLabel _memory_free = new JLabel();
243	<	JLabel _memory_swapinuse = new JLabel();
244	<	JLabel _memory_swapfree = new JLabel();
245	<	DataReader _data;
246	<	JLabel _status = new JLabel();
198	<	ImageIcon _serverIcon = new ImageIcon("server.gif");
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	<	//---STATIC ATTRIBUTES---
249	<
250	<	}
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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