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root/i-scream/projects/cms/source/host/java/SystemMonitor.java

Comparing projects/cms/source/host/java/SystemMonitor.java (file contents):
Revision 1.1 by ab11, Mon Nov 27 19:44:32 2000 UTC vs.
Revision 1.3 by ab11, Thu Nov 30 04:11:00 2000 UTC

#	Line 1 | Line 1
1	+	//---PACKAGE DECLARATION---
2	+
3	+	//---IMPORTS---
4	+
5	+	import java.util.Random;
6	+
7	+	/**
8	+	* Gathers system information then outputs it as XML
9	+	* Collects data based on properties gained from the configurator
10	+	* then packages these up using XMLFormatter and outputs them if
11	+	* the timeout has passed.
12	+	*
13	+	* @author  $Author$
14	+	* @version $Id$
15	+	*/
16		class SystemMonitor {
17
18	<	public SystemMonitor( Config config ){
4	<	// create a new instace, get the info we need out of config
5	<	// like things to monitor
6	<
7	<	lastCheck = System.currentTimeMillis();
8	<	sequence = 0;
18	>	//---FINAL ATTRIBUTES---
19
20	+	//---STATIC METHODS---
21
22	<	// why oh why wont ultra edit let me put Long in the next line? oh its trying to
12	<	// correct keywords =|
13	<	checkInterval = Long.parseLong(config.getProperty("UDPINTEVAL"));
14	<
15	<	}
22	>	//---CONSTRUCTORS---
23
24	<	public String getInfo(){
25	<	// called to retrieve the stored averages and output them as a XML string
26	<	XMLFormatter xml = new XMLFormatter("packet");
27	<
28	<	// just send some dummy info for now.
29	<	xml.addNest("packet_info");
30	<	String currentTime = Long.toString(System.currentTimeMillis());
31	<	xml.addElement("date_time", currentTime );
32	<	xml.addElement("sequence", Integer.toString(sequence));
33	<	xml.closeNest();
34	<	xml.addNest("core");
28	<	xml.addElement("cpu","100");
29	<	xml.addElement("memory","200");
30	<	xml.closeNest();
31	<	xml.addNest("additional");
32	<	xml.addElement("users","20");
33	<	xml.closeNest();
34	<
35	<	// MUST FIX THIS..!!!!
36	<	while ( System.currentTimeMillis() < ( lastCheck + checkInterval ) ){
37	<	// errm do nothing.. block or something.
38	<	}
39	<
40	<	// increment sequence.
41	<	sequence++;
42	<
43	<	// finally return a string
44	<	return xml.returnXML();
45	<	} // getinfo()
24	>	/**
25	>	* Public constructor for the class. Takes in a Config object to gain its
26	>	* properties from.
27	>	*
28	>	*/
29	>	public SystemMonitor( Config config ){
30	>	// create a new instace, get the info we need out of config
31	>	// like things to monitor
32	>
33	>	lastCheck = System.currentTimeMillis();
34	>	sequence = 0;
35
36	<	// last time the system data was returned.
36	>
37	>	// why oh why wont ultra edit let me put Long in the next line? oh its trying to
38	>	// correct keywords =|
39	>	checkInterval = Long.parseLong(config.getProperty("UDPUpdateTime")) * 1000;
40	>	// make the check interval into seconds
41	>
42	>	}
43	>
44	>	//---PUBLIC METHODS---
45	>
46	>	/**
47	>	* Gathers system information and will black until the timeout has passed.
48	>	*
49	>	* @return the system information in an XML packet
50	>	*/
51	>	public String getInfo(){
52	>	// called to retrieve the stored averages and output them as a XML string
53	>	XMLFormatter xml = new XMLFormatter("packet");
54	>
55	>	Random rand = new Random();
56	>
57	>	// just send some dummy info for now.
58	>	xml.addNest("packet_info");
59	>	String currentTime = Long.toString(System.currentTimeMillis());
60	>	xml.addElement("date_time", currentTime );
61	>	xml.addElement("sequence", Integer.toString(sequence));
62	>	xml.closeNest();
63	>	xml.addNest("core");
64	>	xml.addElement("cpu",""+rand.nextInt(100));
65	>	xml.addElement("memory",""+rand.nextInt(100));
66	>	xml.closeNest();
67	>	if ( rand.nextBoolean() ){
68	>	xml.addNest("additional");
69	>	xml.addElement("users",""+rand.nextInt(30));
70	>	xml.closeNest();
71	>	}
72	>	// MUST FIX THIS..!!!!
73	>	try {
74	>	Thread.sleep(( lastCheck + checkInterval )-System.currentTimeMillis());
75	>	}
76	>	catch( InterruptedException e ){
77	>	System.out.println("Sleep interrupted");
78	>	}
79	>
80	>	// increment sequence.
81	>	sequence++;
82	>	lastCheck = System.currentTimeMillis();
83	>
84	>	// finally return a string
85	>	return xml.returnXML();
86	>	} // getinfo()
87	>
88	>	//---PRIVATE METHODS---
89	>
90	>	//---ACCESSOR/MUTATOR METHODS---
91	>
92	>	//---ATTRIBUTES---
93	>
94		private long lastCheck;
95		private int sequence;
96		private long checkInterval;
97	+
98	+	//---STATIC ATTRIBUTES---
99
100		} // class

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