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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 1.11 by tdb, Tue May 21 16:47:12 2002 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	+
23	+	//---IMPORTS---
24	+
25	+	import java.io.*;
26	+	import java.net.*;
27	+	import java.util.*;
28	+
29	+	/**
30	+	* Gathers system information then outputs it as XML
31	+	* Collects data based on properties gained from the
32	+	* configurator then packages these up using XMLFormatter
33	+	* and outputs them if the timeout has passed.
34	+	*
35	+	* @author  $Author$
36	+	* @version $Id$
37	+	*/
38		class SystemMonitor {
39
40	<	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;
40	>	//---FINAL ATTRIBUTES---
41
42	+	//---STATIC METHODS---
43
44	<	// 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	<	}
44	>	//---CONSTRUCTORS---
45
46	<	public String getInfo(){
47	<	// called to retrieve the stored averages and output them as a XML string
48	<	XMLFormatter xml = new XMLFormatter("packet");
49	<
50	<	// just send some dummy info for now.
51	<	xml.addNest("packet_info");
52	<	String currentTime = Long.toString(System.currentTimeMillis());
53	<	xml.addElement("date_time", currentTime );
54	<	xml.addElement("sequence", Integer.toString(sequence));
55	<	xml.closeNest();
56	<	xml.addNest("core");
57	<	xml.addElement("cpu","100");
58	<	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()
46	>	/**
47	>	* Public constructor for the class. Takes in a Config
48	>	* object to gain its properties from.
49	>	*
50	>	*/
51	>	public SystemMonitor( Config config ){
52	>	// create a new instace, get the info we need out of config
53	>	// like things to monitor
54	>
55	>	lastCheck = System.currentTimeMillis();
56	>	sequence = 1;
57	>
58	>	}
59
60	<	// last time the system data was returned.
60	>	//---PUBLIC METHODS---
61	>
62	>	/**
63	>	* Gathers system information and will black until the timeout has passed.
64	>	*
65	>	* @return the system information in an XML packet
66	>	*/
67	>	public String getInfo(){
68	>	// called to retrieve the stored averages and output them as a XML string
69	>	String host = new String();
70	>	String ip = new String();
71	>	try {
72	>	host = InetAddress.getLocalHost().getHostName();
73	>	ip = InetAddress.getLocalHost().getHostAddress();
74	>	} catch(UnknownHostException e) {
75	>	System.out.println(e);
76	>	}
77	>	String date = Long.toString(System.currentTimeMillis());
78	>	XMLFormatter xml = new XMLFormatter("packet", "machine_name=\""+host+"\" ip=\""+ip+"\" date=\""+date+"\" seq_no=\""+sequence+"\" type=\"data\"");
79	>
80	>	// get and decode the data
81	>	DecodeCPU_TXT details = new DecodeCPU_TXT();
82	>
83	>	// add the decoded info
84	>	xml.addString(details.getItems());
85	>
86	>	// increment sequence.
87	>	sequence++;
88	>	// lastCheck = System.currentTimeMillis();
89	>
90	>	// finally return a string
91	>	return xml.returnXML();
92	>	} // getinfo()
93	>
94	>	//---PRIVATE METHODS---
95	>
96	>	//---ACCESSOR/MUTATOR METHODS---
97	>
98	>	//---ATTRIBUTES---
99	>
100		private long lastCheck;
101		private int sequence;
102	<	private long checkInterval;
102	>
103	>	//---STATIC ATTRIBUTES---
104
105	<	} // class
105	>	} // class

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