host/java/SystemMonitor.java

/* 
 * i-scream central monitoring system
 * http://www.i-scream.org.uk
 * Copyright (C) 2000-2002 i-scream
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

//---PACKAGE DECLARATION---

//---IMPORTS---

import java.io.*;
import java.net.*;
import java.util.*;

/**
 * Gathers system information then outputs it as XML
 * Collects data based on properties gained from the 
 * configurator then packages these up using XMLFormatter 
 * and outputs them if the timeout has passed.
 *
 * @author  $Author: tdb $
 * @version $Id: SystemMonitor.java,v 1.10 2002/05/18 18:15:57 tdb Exp $
 */
class SystemMonitor {

//---FINAL ATTRIBUTES---

//---STATIC METHODS---

//---CONSTRUCTORS---

/**
 * Public constructor for the class. Takes in a Config 
 * object to gain its properties from.
 *
 */   
 public SystemMonitor( Config config ){
        // create a new instace, get the info we need out of config
        // like things to monitor
        
        lastCheck = System.currentTimeMillis();
        sequence = 1;
        
    }

//---PUBLIC METHODS---

   /**
    * Gathers system information and will black until the timeout has passed.
    *
    * @return the system information in an XML packet
    */
    public String getInfo(){
        // called to retrieve the stored averages and output them as a XML string
        String host = new String();
        String ip = new String();
        try {
            host = InetAddress.getLocalHost().getHostName();
            ip = InetAddress.getLocalHost().getHostAddress();
        } catch(UnknownHostException e) {
            System.out.println(e);
        }
        String date = Long.toString(System.currentTimeMillis());
        XMLFormatter xml = new XMLFormatter("packet", "machine_name=\""+host+"\" ip=\""+ip+"\" date=\""+date+"\" seq_no=\""+sequence+"\" type=\"data\"");

        // get and decode the data
        DecodeCPU_TXT details = new DecodeCPU_TXT();

        // add the decoded info
        xml.addString(details.getItems());
        
        // increment sequence.
        sequence++;
        // lastCheck = System.currentTimeMillis();
                
        // finally return a string 
        return xml.returnXML();
    } // getinfo()
    
//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---

//---ATTRIBUTES---

    private long lastCheck;
    private int sequence;

//---STATIC ATTRIBUTES---

} // class
Revision:	1.11
Committed:	Tue May 21 16:47:12 2002 UTC (22 years, 6 months ago) by tdb
Branch:	MAIN
Changes since 1.10:	+3 -2 lines
Log Message:	Added URL to GPL headers.
#	User	Rev	Content
1	tdb	1.10	/*
2			* i-scream central monitoring system
3	tdb	1.11	* http://www.i-scream.org.uk
4	tdb	1.10	* 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	ab11	1.2	//---PACKAGE DECLARATION---
22
23			//---IMPORTS---
24
25	ab11	1.5	import java.io.*;
26	tdb	1.6	import java.net.*;
27			import java.util.*;
28	ab11	1.3
29	ab11	1.2	/**
30			* Gathers system information then outputs it as XML
31	ab11	1.9	* 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	ab11	1.2	*
35	tdb	1.11	* @author $Author: tdb $
36			* @version $Id: SystemMonitor.java,v 1.10 2002/05/18 18:15:57 tdb Exp $
37	ab11	1.2	*/
38	ab11	1.1	class SystemMonitor {
39
40	ab11	1.2	//---FINAL ATTRIBUTES---
41
42			//---STATIC METHODS---
43
44			//---CONSTRUCTORS---
45
46			/**
47	ab11	1.9	* Public constructor for the class. Takes in a Config
48			* object to gain its properties from.
49	ab11	1.2	*
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	tdb	1.6	sequence = 1;
57	ab11	1.2
58			}
59
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	tdb	1.6	String host = new String();
70			String ip = new String();
71	ab11	1.5	try {
72	tdb	1.6	host = InetAddress.getLocalHost().getHostName();
73	ab11	1.9	ip = InetAddress.getLocalHost().getHostAddress();
74	tdb	1.6	} catch(UnknownHostException e) {
75			System.out.println(e);
76	ab11	1.5	}
77	ab11	1.9	String date = Long.toString(System.currentTimeMillis());
78	tdb	1.8	XMLFormatter xml = new XMLFormatter("packet", "machine_name=\""+host+"\" ip=\""+ip+"\" date=\""+date+"\" seq_no=\""+sequence+"\" type=\"data\"");
79	tdb	1.6
80	ab11	1.9	// get and decode the data
81			DecodeCPU_TXT details = new DecodeCPU_TXT();
82	tdb	1.6
83			// add the decoded info
84	ab11	1.5	xml.addString(details.getItems());
85
86	ab11	1.2	// increment sequence.
87			sequence++;
88	ab11	1.7	// lastCheck = System.currentTimeMillis();
89	ab11	1.2
90			// finally return a string
91			return xml.returnXML();
92			} // getinfo()
93
94			//---PRIVATE METHODS---
95
96			//---ACCESSOR/MUTATOR METHODS---
97
98			//---ATTRIBUTES---
99	ab11	1.1
100			private long lastCheck;
101			private int sequence;
102	ab11	1.2
103			//---STATIC ATTRIBUTES---
104	ab11	1.1
105	ab11	1.9	} // class