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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 1.19 by ajm, Tue Jan 30 02:15:11 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		//---STATIC METHODS---
45
46	+	/**
47	+	* The first method that is called.
48	+	* Sets up the various panels
49	+	*
50	+	* @param args the command line arguments
51	+	*/
52		public static void main(String[] args) {
53	<	try {
54	<	String host = args[0];
55	<	int port = 4510;
56	<	Socket socket = new Socket(host, port);
57	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
58	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
59	<	DataReader data = new DataReader(inBound);
53	>	// get the host from the command line if they gave it
54	>	String host = null;
55	>	String configFile = DEFAULT_CONFIG_FILE;
56	>	if (args.length == 1) {
57	>	configFile = args[0];
58	>	}
59	>
60	>	// start the configuration system
61	>	Configuration.initialise(configFile);
62	>
63	>	// the data display panel
64	>	DataPanel data = new DataPanel();
65
66	<	SwingClient cli = new SwingClient(data);
67	<	Thread cliThread = new Thread(cli);
68	<	cliThread.start();
69	<	} catch (Exception e) {
70	<	System.err.println("ERROR START: " + e);
71	<	}
66	>	// the control panel
67	>	ControlPanel control = new ControlPanel(data);
68	>
69	>	// the main frame (passed the two panels)
70	>	Conient client = new Conient(data, control);
71	>	Conient.addMessage("Conient {an i-scream Client} © 2001 University of Kent & Project i-scream");
72	>
73	>	Conient.addMessage("Conient ready.");
74		}
75	+
76
77		//---CONSTRUCTORS---
78
79		/**
80	<	* Creates a new Swing Client.
80	>	* Creates a new Swing Client Frame
81		*/
82	<	public SwingClient(DataReader data) {
60	<	_data = data;
82	>	private Conient(JPanel data, JPanel control) {
83		// set up the Frame
84	<	setTitle("I-Scream Client");
85	<	setSize(width, height);
64	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
65	<	Box box = Box.createVerticalBox();
84	>	super("Conient {an i-scream Client}");
85	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
86
87	<	// create the i-scream logo at the top
88	<	JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
89	<	JLabel comment = new JLabel("   I-Scream Client");
90	<	comment.setForeground( new Color(0, 0, 102));
91	<	Box header = Box.createHorizontalBox();
92	<	header.add(comment);
93	<	header.add(Box.createHorizontalGlue());
74	<	header.add(iscream);
87	>	// set what happens when the X in the corner is clicked
88	>	addWindowListener(new WindowAdapter() {
89	>	public void windowClosing(WindowEvent e) {System.exit(0);}
90	>	});
91	>
92	>	// add the control pane to the top border
93	>	getContentPane().add(control, "North");
94
95	<
96	<
97	<	//_tabbedPane.setSelectedIndex(0);
79	<
80	<	// build the frame
81	<	box.add(header);
82	<	box.add(_tabbedPane);
83	<	box.add(_status);
84	<	getContentPane().add(box);
95	>	// create a scrollable pane for the data in the centre
96	>	JScrollPane scrollPane = new JScrollPane(data);
97	>	getContentPane().add(scrollPane, "Center");
98
99	+	// setup the status panel
100	+	JPanel bottom = new JPanel();
101	+	bottom.setLayout(new BorderLayout());
102	+	_messages.setEditable(false);
103	+	_messages.setRows(3);
104	+	JScrollPane messagesPane = new JScrollPane(_messages);
105	+	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
106	+	bottom.add(messagesPane, "Center");
107	+	JPanel statusPanel = new JPanel();
108	+	JPanel linkPanel = new JPanel();
109	+	linkPanel.setLayout(new GridLayout(2,1));
110	+	linkPanel.add(_controlStatus);
111	+	linkPanel.add(_dataStatus);
112	+	statusPanel.setLayout(new GridLayout(1,3));
113	+	statusPanel.add(linkPanel);
114	+	statusPanel.add(_queueStatus);
115	+	bottom.add(statusPanel, "South");
116	+
117	+	// add the status panel to the bottom border
118	+	getContentPane().add(bottom, "South");
119	+
120		// show the window
121		show();
88	–	_status.setText("Running...");
122		}
123
124		//---PUBLIC METHODS---
125
93	–	public void run() {
94	–	HashMap hostList = new HashMap();
95	–	try {
96	–	_data.start();
97	–	while(true) {
98	–	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	–	}
127	–	}
128	–	} catch (Exception e) {
129	–	System.err.println("ERROR RUN: " + e);
130	–	}
131	–	}
132	–
126		//---PRIVATE METHODS---
127	+
128	+	//---ACCESSOR/MUTATOR METHODS---
129	+
130	+	/**
131	+	* Sets the control link status.
132	+	*
133	+	* @param status the message
134	+	*/
135	+	public static void setControlStatus(String status) {
136	+	_controlStatus.setText("Control Link: " + status);
137	+	_controlStatus.repaint();
138	+	}
139
140	<	protected JPanel makeTextPanel(String text, Component item) {
141	<	JPanel panel = new JPanel(false);
142	<	JLabel label = new JLabel(text);
143	<	label.setHorizontalAlignment(JLabel.RIGHT);
144	<	//item.setHorizontalAlignment(JLabel.LEFT);
145	<	panel.setLayout(new GridLayout(1, 2));
146	<	panel.add(label);
147	<	panel.add(item);
143	<	return panel;
140	>	/**
141	>	* Sets the data link status.
142	>	*
143	>	* @param status the message
144	>	*/
145	>	public static void setDataStatus(String status) {
146	>	_dataStatus.setText("Data Link: " + status);
147	>	_dataStatus.repaint();
148		}
149
150	+	/**
151	+	* Updates the queue status.
152	+	*
153	+	* @param currentQueue
154	+	* @param numElements
155	+	*/
156	+	public static void setQueueStatus(int currentQueue, int numElements) {
157	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
158	+	_queueStatus.repaint();
159	+	}
160
161	<	//---ACCESSOR/MUTATOR METHODS---
161	>	/**
162	>	* Adds a system message to the messages list
163	>	*
164	>	* @param message the new message
165	>	*/
166	>	public static void addMessage(String message) {
167	>	_messages.insert(message + "\n", 0);
168	>	}
169
170		//---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();
171
172	<	JLabel _sTime = new JLabel();
172	>	//---STATIC ATTRIBUTES---
173
174	<	JLabel _load_load1 = new JLabel();
175	<	JLabel _load_load5 = new JLabel();
176	<	JLabel _load_load15 = new JLabel();
177	<
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);
174	>	/**
175	>	* Displays information about the data link
176	>	*/
177	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
178		{
179	<	_cpu_idle.setStringPainted(true);
179	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
180		}
181	<	JProgressBar _cpu_user = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
181	>
182	>	/**
183	>	* Displays information about the data link
184	>	*/
185	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
186		{
187	<	_cpu_user.setStringPainted(true);
187	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
188		}
189	<	JProgressBar _cpu_kernel = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
189	>
190	>	/**
191	>	* Displays information about the inbound data queue.
192	>	*/
193	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
194		{
195	<	_cpu_kernel.setStringPainted(true);
195	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
196		}
197	<	JProgressBar _cpu_iowait = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
197	>
198	>	/**
199	>	* The place where system messages are written.
200	>	*/
201	>	static JTextArea _messages = new JTextArea();
202		{
203	<	_cpu_iowait.setStringPainted(true);
203	>	_messages.setLineWrap(true);
204		}
205	<	JProgressBar _cpu_swap = new JProgressBar(JProgressBar.HORIZONTAL, min, max);
188	<	{
189	<	_cpu_swap.setStringPainted(true);
190	<	}
191	<
192	<	JLabel _memory_real = new JLabel();
193	<	JLabel _memory_free = new JLabel();
194	<	JLabel _memory_swapinuse = new JLabel();
195	<	JLabel _memory_swapfree = new JLabel();
196	<	DataReader _data;
197	<	JLabel _status = new JLabel();
198	<	ImageIcon _serverIcon = new ImageIcon("server.gif");
199	<
200	<	//---STATIC ATTRIBUTES---
201	<
202	<	}
205	>	}

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