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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 1.10 by tdb, Sat May 18 18:15:57 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	+
22	+	//---IMPORTS---
23	+
24	+	import java.io.*;
25	+	import java.net.*;
26	+	import java.util.*;
27	+
28	+	/**
29	+	* Gathers system information then outputs it as XML
30	+	* Collects data based on properties gained from the
31	+	* configurator then packages these up using XMLFormatter
32	+	* and outputs them if the timeout has passed.
33	+	*
34	+	* @author  $Author$
35	+	* @version $Id$
36	+	*/
37		class SystemMonitor {
38
39	<	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;
39	>	//---FINAL ATTRIBUTES---
40
41	+	//---STATIC METHODS---
42
43	<	// 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	<	}
43	>	//---CONSTRUCTORS---
44
45	<	public String getInfo(){
46	<	// called to retrieve the stored averages and output them as a XML string
47	<	XMLFormatter xml = new XMLFormatter("packet");
48	<
49	<	// just send some dummy info for now.
50	<	xml.addNest("packet_info");
51	<	String currentTime = Long.toString(System.currentTimeMillis());
52	<	xml.addElement("date_time", currentTime );
53	<	xml.addElement("sequence", Integer.toString(sequence));
54	<	xml.closeNest();
55	<	xml.addNest("core");
56	<	xml.addElement("cpu","100");
57	<	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()
45	>	/**
46	>	* Public constructor for the class. Takes in a Config
47	>	* object to gain its properties from.
48	>	*
49	>	*/
50	>	public SystemMonitor( Config config ){
51	>	// create a new instace, get the info we need out of config
52	>	// like things to monitor
53	>
54	>	lastCheck = System.currentTimeMillis();
55	>	sequence = 1;
56	>
57	>	}
58
59	<	// last time the system data was returned.
59	>	//---PUBLIC METHODS---
60	>
61	>	/**
62	>	* Gathers system information and will black until the timeout has passed.
63	>	*
64	>	* @return the system information in an XML packet
65	>	*/
66	>	public String getInfo(){
67	>	// called to retrieve the stored averages and output them as a XML string
68	>	String host = new String();
69	>	String ip = new String();
70	>	try {
71	>	host = InetAddress.getLocalHost().getHostName();
72	>	ip = InetAddress.getLocalHost().getHostAddress();
73	>	} catch(UnknownHostException e) {
74	>	System.out.println(e);
75	>	}
76	>	String date = Long.toString(System.currentTimeMillis());
77	>	XMLFormatter xml = new XMLFormatter("packet", "machine_name=\""+host+"\" ip=\""+ip+"\" date=\""+date+"\" seq_no=\""+sequence+"\" type=\"data\"");
78	>
79	>	// get and decode the data
80	>	DecodeCPU_TXT details = new DecodeCPU_TXT();
81	>
82	>	// add the decoded info
83	>	xml.addString(details.getItems());
84	>
85	>	// increment sequence.
86	>	sequence++;
87	>	// lastCheck = System.currentTimeMillis();
88	>
89	>	// finally return a string
90	>	return xml.returnXML();
91	>	} // getinfo()
92	>
93	>	//---PRIVATE METHODS---
94	>
95	>	//---ACCESSOR/MUTATOR METHODS---
96	>
97	>	//---ATTRIBUTES---
98	>
99		private long lastCheck;
100		private int sequence;
101	<	private long checkInterval;
101	>
102	>	//---STATIC ATTRIBUTES---
103
104	<	} // class
104	>	} // class

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