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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 1.35 by tdb, Fri Jan 31 17:05:50 2003 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* http://www.i-scream.org.uk
4	+	* Copyright (C) 2000-2002 i-scream
5	+	*
6	+	* This program is free software; you can redistribute it and/or
7	+	* modify it under the terms of the GNU General Public License
8	+	* as published by the Free Software Foundation; either version 2
9	+	* of the License, or (at your option) any later version.
10	+	*
11	+	* This program is distributed in the hope that it will be useful,
12	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	+	* GNU General Public License for more details.
15	+	*
16	+	* You should have received a copy of the GNU General Public License
17	+	* along with this program; if not, write to the Free Software
18	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19	+	*/
20	+
21		//---PACKAGE DECLARATION---
22	+	package uk.org.iscream.cms.conient;
23
24		//---IMPORTS---
25		import javax.swing.*;
26		import javax.swing.border.*;
6	–	import java.awt.Color;
7	–
27		import java.awt.*;
28		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;
29
30		/**
31	<	* NASTY AND BASIC, PLEASE DON'T COMPLAIN
31	>	* This is the main class of the Conient client.
32		*
33	+	* This sets up the control panel, the data panel
34	+	* and its own display.
35	+	*
36		* @author  $Author$
37		* @version $Id$
38		*/
39	<	public class SwingClient extends JFrame implements Runnable {
39	>	public class Conient extends JFrame {
40
41		//---FINAL ATTRIBUTES---
42
#	Line 28 | Line 44 | public class SwingClient extends JFrame implements Run
44		* The current CVS revision of this class
45		*/
46		public final String REVISION = "$Revision$";
47	+
48	+	/**
49	+	* The initial width of the window
50	+	*/
51	+	private final int DEFAULT_WIDTH = 700;
52
53	<	private final int width = 300;
54	<	private final int height = 700;
53	>	/**
54	>	* The initial height of the window
55	>	*/
56	>	private final int DEFAULT_HEIGHT = 600;
57
58	+	/**
59	+	* The default configuration fle
60	+	* This can be specified on the command line
61	+	*/
62	+	public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf";
63	+
64	+	/**
65	+	* The time in seconds to display the splash
66	+	* screen for
67	+	*/
68	+	public static final int DISPLAY_SPLASH_TIME_SECONDS = 3;
69	+
70		//---STATIC METHODS---
71
72	+	/**
73	+	* The first method that is called.
74	+	* Sets up the various panels
75	+	*
76	+	* @param args the command line arguments
77	+	*/
78		public static void main(String[] args) {
79	<	try {
80	<	String host = args[0];
81	<	int port = 4510;
82	<	Socket socket = new Socket(host, port);
83	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
84	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
85	<	DataReader data = new DataReader(inBound);
79	>	// get the host from the command line if they gave it
80	>	String host = null;
81	>	String configFile = DEFAULT_CONFIG_FILE;
82	>	if (args.length == 1) {
83	>	configFile = args[0];
84	>	}
85	>
86	>	// start the configuration system
87	>	Configuration.initialise(configFile);
88	>
89	>	// the data display panel
90	>	DataPanel data = new DataPanel();
91
92	<	SwingClient cli = new SwingClient(data);
93	<	Thread cliThread = new Thread(cli);
94	<	cliThread.start();
95	<	} catch (Exception e) {
96	<	System.err.println("ERROR START: " + e);
97	<	}
92	>	// the control panel
93	>	ControlPanel control = new ControlPanel(data);
94	>
95	>	// the main frame (passed the two panels)
96	>	Conient client = new Conient(data, control);
97	>	conientFrame = (Frame) client;
98	>	Conient.addMessage("Conient {an i-scream Client} (c) 2001 The i-scream Project (http://www.i-scream.org.uk)");
99	>
100	>	Conient.addMessage("Conient ready.");
101	>
102		}
103
104	+	/**
105	+	* A static accessor, allowing components of the system
106	+	* to get hold of the root frame of the system.
107	+	*
108	+	* see conientFrame attribute for details.
109	+	*
110	+	* @return the root Conient frame
111	+	*/
112	+	public static Frame getFrame() {
113	+	return conientFrame;
114	+	}
115	+
116		//---CONSTRUCTORS---
117
118		/**
119	<	* Creates a new Swing Client.
119	>	* Creates a new Swing Client Frame
120		*/
121	<	public SwingClient(DataReader data) {
60	<	_data = data;
121	>	private Conient(JSplitPane data, ControlPanel control) {
122		// set up the Frame
123	<	setTitle("I-Scream Client");
124	<	setSize(width, height);
125	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
65	<	Box box = Box.createVerticalBox();
66	<
67	<	// create the i-scream logo at the top
68	<	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);
123	>	super("Conient {an i-scream Client}");
124	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
125	>	setJMenuBar(control.getMenuBar());
126
127	<
128	<
129	<	//_tabbedPane.setSelectedIndex(0);
130	<
80	<	// build the frame
81	<	box.add(header);
82	<	box.add(_tabbedPane);
83	<	box.add(_status);
84	<	getContentPane().add(box);
127	>	// set what happens when the X in the corner is clicked
128	>	addWindowListener(new WindowAdapter() {
129	>	public void windowClosing(WindowEvent e) {System.exit(0);}
130	>	});
131
132	<	// show the window
133	<	show();
134	<	_status.setText("Running...");
135	<	}
132	>	// add the control pane to the top border
133	>	getContentPane().add(control, "North");
134	>	// add the data pane to the centre
135	>	getContentPane().add(data);
136
137	<	//---PUBLIC METHODS---
137	>	// setup the status panel
138	>	JPanel bottom = new JPanel();
139	>	bottom.setLayout(new BorderLayout());
140	>	_messages.setEditable(false);
141	>	_messages.setRows(3);
142	>	JScrollPane messagesPane = new JScrollPane(_messages);
143	>	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
144	>	bottom.add(messagesPane, "Center");
145	>	JPanel statusPanel = new JPanel();
146	>	JPanel linkPanel = new JPanel();
147	>	linkPanel.setLayout(new GridLayout(1,2));
148	>	linkPanel.add(_controlStatus);
149	>	linkPanel.add(_dataStatus);
150	>	statusPanel.setLayout(new GridLayout(2,1));
151	>	statusPanel.add(linkPanel);
152	>	statusPanel.add(_queueStatus);
153	>	bottom.add(statusPanel, "South");
154
155	<	public void run() {
156	<	HashMap hostList = new HashMap();
155	>	// add the status panel to the bottom border
156	>	getContentPane().add(bottom, "South");
157	>
158	>	// a nice icon for the window
159	>	setIconImage((new ImageIcon(getClass().getResource("/resources/server.gif"))).getImage());
160	>
161	>	// and just because we can, a silly splash screen
162	>	// of the dudes that did this funky jibble
163	>	Splash splash = new Splash();
164	>	splash.show();
165	>	// wait
166		try {
167	<	_data.start();
168	<	while(true) {
169	<	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	<	}
167	>	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
168	>	} catch (InterruptedException e) {
169	>	// don't do anything, we don't care
170		}
171	<	} catch (Exception e) {
172	<	System.err.println("ERROR RUN: " + e);
173	<	}
171	>	//loose the window
172	>	splash.dispose();
173	>	splash = null;
174	>	// show the main window
175	>	show();
176		}
177
178	+	//---PUBLIC METHODS---
179	+
180		//---PRIVATE METHODS---
181	+
182	+	//---ACCESSOR/MUTATOR METHODS---
183	+
184	+	/**
185	+	* Sets the control link status.
186	+	*
187	+	* @param status the message
188	+	*/
189	+	public static void setControlStatus(String status) {
190	+	_controlStatus.setText("Control Link: " + status);
191	+	_controlStatus.repaint();
192	+	}
193
194	<	protected JPanel makeTextPanel(String text, Component item) {
195	<	JPanel panel = new JPanel(false);
196	<	JLabel label = new JLabel(text);
197	<	label.setHorizontalAlignment(JLabel.RIGHT);
198	<	//item.setHorizontalAlignment(JLabel.LEFT);
199	<	panel.setLayout(new GridLayout(1, 2));
200	<	panel.add(label);
201	<	panel.add(item);
143	<	return panel;
194	>	/**
195	>	* Sets the data link status.
196	>	*
197	>	* @param status the message
198	>	*/
199	>	public static void setDataStatus(String status) {
200	>	_dataStatus.setText("Data Link: " + status);
201	>	_dataStatus.repaint();
202		}
203
204	+	/**
205	+	* Updates the queue status.
206	+	*
207	+	* @param currentQueue
208	+	* @param numElements
209	+	*/
210	+	public static void setQueueStatus(int currentQueue, int numElements) {
211	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
212	+	_queueStatus.repaint();
213	+	}
214
215	<	//---ACCESSOR/MUTATOR METHODS---
215	>	/**
216	>	* Adds a system message to the messages list
217	>	*
218	>	* @param message the new message
219	>	*/
220	>	public static void addMessage(String message) {
221	>	_messages.insert(message + "\n", 0);
222	>	}
223
224		//---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();
225
226	<	JLabel _sTime = new JLabel();
226	>	//---STATIC ATTRIBUTES---
227
228	<	JLabel _load_load1 = new JLabel();
229	<	JLabel _load_load5 = new JLabel();
230	<	JLabel _load_load15 = new JLabel();
231	<
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);
228	>	/**
229	>	* Displays information about the data link
230	>	*/
231	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
232		{
233	<	_cpu_idle.setStringPainted(true);
233	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
234		}
235	<	JProgressBar _cpu_user = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
235	>
236	>	/**
237	>	* Displays information about the data link
238	>	*/
239	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
240		{
241	<	_cpu_user.setStringPainted(true);
241	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
242		}
243	<	JProgressBar _cpu_kernel = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
243	>
244	>	/**
245	>	* Displays information about the inbound data queue.
246	>	*/
247	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
248		{
249	<	_cpu_kernel.setStringPainted(true);
249	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
250		}
251	<	JProgressBar _cpu_iowait = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
251	>
252	>	/**
253	>	* The place where system messages are written.
254	>	*/
255	>	static JTextArea _messages = new JTextArea();
256		{
257	<	_cpu_iowait.setStringPainted(true);
257	>	_messages.setLineWrap(true);
258		}
187	–	JProgressBar _cpu_swap = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
188	–	{
189	–	_cpu_swap.setStringPainted(true);
190	–	}
259
260	<	JLabel _memory_real = new JLabel();
261	<	JLabel _memory_free = new JLabel();
262	<	JLabel _memory_swapinuse = new JLabel();
263	<	JLabel _memory_swapfree = new JLabel();
264	<	DataReader _data;
265	<	JLabel _status = new JLabel();
198	<	ImageIcon _serverIcon = new ImageIcon("server.gif");
260	>	/**
261	>	* Holds a reference to the root frame for Conient
262	>	* This is only used by dialogs (specifically the configurationn
263	>	* dialog) so that it can be modal, please use the accessor.
264	>	*/
265	>	private static Frame conientFrame;
266
267	<	//---STATIC ATTRIBUTES---
268	<
269	<	}
267	>	//---INNER CLASSES----
268	>
269	>	/**
270	>	* An inner class to display a splash screen
271	>	*/
272	>	private class Splash extends JWindow {
273	>
274	>	/**
275	>	* Constructs a new splash screen
276	>	*/
277	>	public Splash() {
278	>	setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
279	>	JPanel splash = new JPanel();
280	>	splash.setBackground(Color.black);
281	>	JLabel image = new JLabel((new ImageIcon(getClass().getResource("/resources/i-scream-splash.gif"))));
282	>	splash.add(image);
283	>	setContentPane(splash);
284	>	Dimension screen = getToolkit().getScreenSize();
285	>	pack();
286	>	setLocation((screen.width - getSize().width) / 2,
287	>	(screen.height - getSize().height) / 2);
288	>
289	>
290	>	}
291	>	}
292	>	}

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