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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 1.8 by ajm, Sat Jan 20 16:06:53 2001 UTC vs.
Revision 1.33 by tdb, Sat May 18 18:15:56 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* Copyright (C) 2000-2002 i-scream
4	+	*
5	+	* This program is free software; you can redistribute it and/or
6	+	* modify it under the terms of the GNU General Public License
7	+	* as published by the Free Software Foundation; either version 2
8	+	* of the License, or (at your option) any later version.
9	+	*
10	+	* This program is distributed in the hope that it will be useful,
11	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13	+	* GNU General Public License for more details.
14	+	*
15	+	* You should have received a copy of the GNU General Public License
16	+	* along with this program; if not, write to the Free Software
17	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18	+	*/
19	+
20		//---PACKAGE DECLARATION---
21	+	package uk.org.iscream.cms.conient;
22
23		//---IMPORTS---
24		import javax.swing.*;
25		import javax.swing.border.*;
6	–	import java.awt.Color;
7	–	import uk.ac.ukc.iscream.util.*;
8	–
26		import java.awt.*;
27		import java.awt.event.*;
11	–	import java.net.*;
12	–	import java.io.*;
13	–	import java.util.Date;
14	–	import java.text.DateFormat;
15	–	import java.util.Locale;
16	–	import java.util.HashMap;
17	–	import javax.swing.border.*;
28
29		/**
30	<	* NASTY AND BASIC, PLEASE DON'T COMPLAIN
30	>	* This is the main class of the Conient client.
31		*
32	+	* This sets up the control panel, the data panel
33	+	* and its own display.
34	+	*
35		* @author  $Author$
36		* @version $Id$
37		*/
38	<	public class SwingClient extends JFrame implements Runnable {
38	>	public class Conient extends JFrame {
39
40		//---FINAL ATTRIBUTES---
41
#	Line 30 | Line 43 | public class SwingClient extends JFrame implements Run
43		* The current CVS revision of this class
44		*/
45		public final String REVISION = "$Revision$";
46	+
47	+	/**
48	+	* The initial width of the window
49	+	*/
50	+	private final int DEFAULT_WIDTH = 700;
51
52	<	private final int width = 400;
53	<	private final int height = 700;
52	>	/**
53	>	* The initial height of the window
54	>	*/
55	>	private final int DEFAULT_HEIGHT = 600;
56
57	+	/**
58	+	* The default configuration fle
59	+	* This can be specified on the command line
60	+	*/
61	+	public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf";
62	+
63	+	/**
64	+	* The time in seconds to display the splash
65	+	* screen for
66	+	*/
67	+	public static final int DISPLAY_SPLASH_TIME_SECONDS = 3;
68	+
69		//---STATIC METHODS---
70
71	+	/**
72	+	* The first method that is called.
73	+	* Sets up the various panels
74	+	*
75	+	* @param args the command line arguments
76	+	*/
77		public static void main(String[] args) {
78	<	try {
79	<	String host = null;
80	<	if (args.length != 1) {
81	<	Object response = null;
82	<	while(!(response instanceof String)) {
83	<	response = JOptionPane.showInputDialog(null, "Please enter the name of a server running the I-Scream client interface:", "I-Scream Server", JOptionPane.INFORMATION_MESSAGE);
46	<	}
47	<	host = (String) response;
48	<	} else {
49	<	host = args[0];
50	<	}
78	>	// get the host from the command line if they gave it
79	>	String host = null;
80	>	String configFile = DEFAULT_CONFIG_FILE;
81	>	if (args.length == 1) {
82	>	configFile = args[0];
83	>	}
84
85	<	int port = 4510;
86	<	Socket socket = new Socket(host, port);
54	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
55	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
85	>	// start the configuration system
86	>	Configuration.initialise(configFile);
87
88	<	Queue dataQueue = new Queue();
89	<	DataReader data = new DataReader(inBound, dataQueue);
88	>	// the data display panel
89	>	DataPanel data = new DataPanel();
90
91	<	SwingClient client = new SwingClient(dataQueue);
92	<	Thread clientThread = new Thread(client);
93	<
94	<	clientThread.start();
95	<	data.start();
91	>	// the control panel
92	>	ControlPanel control = new ControlPanel(data);
93	>
94	>	// the main frame (passed the two panels)
95	>	Conient client = new Conient(data, control);
96	>	conientFrame = (Frame) client;
97	>	Conient.addMessage("Conient {an i-scream Client} (c) 2001 The i-scream Project (http://www.i-scream.org.uk)");
98
99	<	} catch (Exception e) {
100	<	System.err.println("ERROR START: " + e);
68	<	System.exit(1);
69	<	}
99	>	Conient.addMessage("Conient ready.");
100	>
101		}
102
103	+	/**
104	+	* A static accessor, allowing components of the system
105	+	* to get hold of the root frame of the system.
106	+	*
107	+	* see conientFrame attribute for details.
108	+	*
109	+	* @return the root Conient frame
110	+	*/
111	+	public static Frame getFrame() {
112	+	return conientFrame;
113	+	}
114	+
115		//---CONSTRUCTORS---
116
117		/**
118	<	* Creates a new Swing Client.
118	>	* Creates a new Swing Client Frame
119		*/
120	<	public SwingClient(Queue dataQueue) {
78	<
79	<	_dataQueue = dataQueue;
80	<	_myQueue = _dataQueue.getQueue();
120	>	private Conient(JSplitPane data, ControlPanel control) {
121		// set up the Frame
82	–	setTitle("I-Scream Client");
83	–	//setSize(width, height);
84	–	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
85	–	Box box = Box.createVerticalBox();
86	–
87	–	// create the i-scream logo at the top
88	–	JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
89	–	_serverCountLabel = new JLabel("   Monitoring 0 hosts...");
90	–	_serverCountLabel.setForeground( new Color(0, 0, 102));
91	–	Box header = Box.createHorizontalBox();
92	–	header.add(_serverCountLabel);
93	–	header.add(Box.createHorizontalGlue());
94	–	header.add(iscream);
95	–	Box main = Box.createHorizontalBox();
96	–	JButton
122		utton = new JButton("Connect");
123	+	super("Conient {an i-scream Client}");
124	+	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
125	+	setJMenuBar(control.getMenuBar());
126
127	<	// set up the text area
128	<	_status.setEditable(false);
129	<	JScrollPane statusPane = new JScrollPane(_status);
130	<	statusPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
103	<
104	<	Box controlPane = Box.createVerticalBox();
105	<	controlPane.add(button);
106	<	//controlPane.add(Box.createVerticalGlue());
107	<	controlPane.add(statusPane);
108	<	main.add(controlPane);
109	<	main.add(_tabbedPane);
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	<	//_tabbedPane.setSelectedIndex(0);
133	<
134	<	// build the frame
135	<	box.add(header);
115	<	box.add(main);
116	<
117	<	getContentPane().add(box);
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	<	// show the window
138	<	show();
139	<	_status.insert("Running...\n",0);
140	<	}
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 METHODS---
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("./resources/server.gif")).getImage());
160
161	<	public void run() {
162	<	HashMap hostList = new HashMap();
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	<	while(true) {
168	<
169	<	String xml = (String) _dataQueue.get(_myQueue);
132	<	if (xml == null) {
133	<	// shouldn't really happen...but not sure
134	<	_status.insert("No XML to update...",0);
135	<	} else {
136	<
137	<	// Get a string without any null characters in it.
138	<	//  -- maybe String.trim() would be better ?
139	<	if (xml.indexOf(0) != -1) {
140	<	xml = xml.substring(0, xml.indexOf(0));
141	<	}
142	<	else {
143	<	xml = xml.substring(0, xml.length());
144	<	}
145	<
146	<	// Use XMLPacketMaker to make an XMLPacket object.
147	<	XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
148	<	XMLPacket packet = xmlPacketMaker.createXMLPacket();
149	<	String hostName = packet.getParam("packet.attributes.machine_name");
150	<	if(!hostList.containsKey(hostName)) {
151	<	_serverCount++;
152	<	_serverCountLabel.setText("   Monitoring " + _serverCount + " hosts...");
153	<	host = new HostDisplayPanel();
154	<	_tabbedPane.addTab(hostName, _serverIcon, host, "Monitor " + hostName);
155	<	hostList.put(hostName, host);
156	<	_status.insert("New Host added: " + hostName + "\n", 0);
157	<	}
158	<	((HostDisplayPanel) hostList.get(hostName)).updateHost(packet);
159	<	}
160	<	}
161	<	} catch (Exception e) {
162	<	System.err.println("ERROR RUN: " + e);
167	>	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
168	>	} catch (InterruptedException e) {
169	>	// don't do anything, we don't care
170		}
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, java.awt.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);
176	<	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---
183	–
184	–	HostDisplayPanel host;
185	–	JTabbedPane _tabbedPane = new JTabbedPane();
186	–	Queue _dataQueue;
187	–	int _myQueue;
188	–	JTextArea _status = new JTextArea();
189	–	ImageIcon _serverIcon = new ImageIcon("server.gif");
190	–	JLabel _serverCountLabel;
191	–	int _serverCount = 0;
225
193	–
226		//---STATIC ATTRIBUTES---
227
228	+	/**
229	+	* Displays information about the data link
230	+	*/
231	+	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
232	+	{
233	+	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
234	+	}
235	+
236	+	/**
237	+	* Displays information about the data link
238	+	*/
239	+	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
240	+	{
241	+	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
242	+	}
243	+
244	+	/**
245	+	* Displays information about the inbound data queue.
246	+	*/
247	+	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
248	+	{
249	+	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
250	+	}
251	+
252	+	/**
253	+	* The place where system messages are written.
254	+	*/
255	+	static JTextArea _messages = new JTextArea();
256	+	{
257	+	_messages.setLineWrap(true);
258	+	}
259	+
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	+	//---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("./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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