client/monitors/Process__Monitor.java

//---PACKAGE DECLARATION---
package uk.org.iscream.client.monitors;

//---IMPORTS---
import java.util.HashMap;
import uk.org.iscream.client.*;
import uk.org.iscream.core.*;
import uk.org.iscream.util.*;
import uk.org.iscream.componentmanager.*;

/**
 * This Monitor watches the Process Counts for all machines
 *
 * @author  $Author: tdb1 $
 * @version $Id: Process__Monitor.java,v 1.1 2001/03/22 00:52:48 tdb1 Exp $
 */
public class Process__Monitor extends MonitorSkeleton {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.1 $";
    
    public final String DESC = "Monitors Process Counts.";
    
//---STATIC METHODS---

//---CONSTRUCTORS---

//---PUBLIC METHODS---

    public void analysePacket(XMLPacket packet) {

        String source = packet.getParam("packet.attributes.machine_name");
        if (!_hosts.containsKey(source)) {
            HashMap attributeRegisters = new HashMap();
            initAttributeRegsiters(source, attributeRegisters);
            _hosts.put(source, attributeRegisters);
        }

        HashMap attributeRegisters = (HashMap) _hosts.get(source);
        for(int attributeNum = 0; attributeNum < _attributes.length; attributeNum++) {
            Register reg = (Register) attributeRegisters.get(_attributes[attributeNum]);
            // find out the threshold level we're at
            String attribute = _attributes[attributeNum];
            String attributeName = _attributeNames[attributeNum];
            String currentValue = packet.getParam(attribute);
            int newThreshold = checkAttributeThreshold(currentValue, reg);
            processAlert(newThreshold, attributeName, reg, source, currentValue);
        }
    }

    /**
     * Overrides the {@link java.lang.Object#toString() Object.toString()}
     * method to provide clean logging (every class should have this).
     *
     * This uses the uk.org.iscream.util.NameFormat class
     * to format the toString()
     *
     * @return the name of this class and its CVS revision
     */
    public String toString() {
        return FormatName.getName(
            _name,
            getClass().getName(),
            REVISION);
    }

    /**
     * return the String representation of what the monitor does
     */
    public String getDescription(){
        return DESC;
    }

//---PRIVATE METHODS---

    private int checkAttributeThreshold(String attributeString, Register reg) {
        for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) {
            if (reg.getThreshold(thresholdLevel) != -1.0) {
                if(attributeString != null) {
                    try {
                        double attribute = Double.parseDouble(attributeString);
                        if (reg.getThreshold(thresholdLevel) < attribute) return thresholdLevel;
                    } catch (NumberFormatException e) {
                        // we got some duff data in the packet, but we shouldn't have
                        _logger.write(toString(), Logger.DEBUG, "possible errenous packet data, should be double value - " + attributeString);
                    }
                }
            }
        }
        return Alert.thresholdNORMAL;
    }

    private void initAttributeRegsiters(String source, HashMap attributeRegisters) {
        for(int attributeNum = 0; attributeNum < _attributes.length; attributeNum++) {
            String attributeName = _attributes[attributeNum].substring(_attributes[attributeNum].lastIndexOf(".") + 1);
            attributeRegisters.put(_attributes[attributeNum], new Register(source, _name, attributeName));
        }
    }

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

    protected Queue getQueue() {
        return MonitorManager.getInstance().getDataQueue();
    }

//---ATTRIBUTES---

    /**
     * This is the friendly identifier of the
     * component this class is running in.
     * eg, a Filter may be called "filter1",
     * If this class does not have an owning
     * component,  a name from the configuration
     * can be placed here.  This name could also
     * be changed to null for utility classes.
     */
    private String _name = "Process";
    
    /**
     * A reference to the configuration proxy in use
     */
    private ConfigurationProxy _cp = ConfigurationProxy.getInstance();

    private HashMap _hosts = new HashMap();

    private String[] _attributes = { "packet.processes.total", "packet.processes.cpu", "packet.processes.sleeping", "packet.processes.stopped", "packet.processes.zombie" };
    private String[] _attributeNames = {"Total Processes", "on CPU Processes", "Sleeping Processes", "Stopped Processes", "Zombie Processes"};

//---STATIC ATTRIBUTES---

}
Revision:	1.2
Committed:	Thu Mar 22 17:57:06 2001 UTC (23 years, 2 months ago) by ajm
Branch:	MAIN
Changes since 1.1:	+23 -20 lines
Log Message:	Modified to use the new style queuing in the local client
#	User	Rev	Content
1	tdb	1.1	//---PACKAGE DECLARATION---
2			package uk.org.iscream.client.monitors;
3
4			//---IMPORTS---
5			import java.util.HashMap;
6			import uk.org.iscream.client.*;
7			import uk.org.iscream.core.*;
8			import uk.org.iscream.util.*;
9			import uk.org.iscream.componentmanager.*;
10
11			/**
12			* This Monitor watches the Process Counts for all machines
13			*
14	ajm	1.2	* @author $Author: tdb1 $
15			* @version $Id: Process__Monitor.java,v 1.1 2001/03/22 00:52:48 tdb1 Exp $
16	tdb	1.1	*/
17			public class Process__Monitor extends MonitorSkeleton {
18
19			//---FINAL ATTRIBUTES---
20
21			/**
22			* The current CVS revision of this class
23			*/
24	ajm	1.2	public final String REVISION = "$Revision: 1.1 $";
25	tdb	1.1
26			public final String DESC = "Monitors Process Counts.";
27
28			//---STATIC METHODS---
29
30			//---CONSTRUCTORS---
31
32			//---PUBLIC METHODS---
33
34			public void analysePacket(XMLPacket packet) {
35
36	ajm	1.2	String source = packet.getParam("packet.attributes.machine_name");
37			if (!_hosts.containsKey(source)) {
38			HashMap attributeRegisters = new HashMap();
39			initAttributeRegsiters(source, attributeRegisters);
40			_hosts.put(source, attributeRegisters);
41			}
42
43			HashMap attributeRegisters = (HashMap) _hosts.get(source);
44			for(int attributeNum = 0; attributeNum < _attributes.length; attributeNum++) {
45			Register reg = (Register) attributeRegisters.get(_attributes[attributeNum]);
46			// find out the threshold level we're at
47			String attribute = _attributes[attributeNum];
48			String attributeName = _attributeNames[attributeNum];
49			String currentValue = packet.getParam(attribute);
50			int newThreshold = checkAttributeThreshold(currentValue, reg);
51			processAlert(newThreshold, attributeName, reg, source, currentValue);
52	tdb	1.1	}
53			}
54
55			/**
56			* Overrides the {@link java.lang.Object#toString() Object.toString()}
57			* method to provide clean logging (every class should have this).
58			*
59			* This uses the uk.org.iscream.util.NameFormat class
60			* to format the toString()
61			*
62			* @return the name of this class and its CVS revision
63			*/
64			public String toString() {
65			return FormatName.getName(
66			_name,
67			getClass().getName(),
68			REVISION);
69			}
70
71			/**
72			* return the String representation of what the monitor does
73			*/
74			public String getDescription(){
75			return DESC;
76			}
77
78			//---PRIVATE METHODS---
79
80			private int checkAttributeThreshold(String attributeString, Register reg) {
81			for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) {
82			if (reg.getThreshold(thresholdLevel) != -1.0) {
83			if(attributeString != null) {
84			try {
85			double attribute = Double.parseDouble(attributeString);
86			if (reg.getThreshold(thresholdLevel) < attribute) return thresholdLevel;
87			} catch (NumberFormatException e) {
88			// we got some duff data in the packet, but we shouldn't have
89			_logger.write(toString(), Logger.DEBUG, "possible errenous packet data, should be double value - " + attributeString);
90			}
91			}
92			}
93			}
94			return Alert.thresholdNORMAL;
95			}
96
97			private void initAttributeRegsiters(String source, HashMap attributeRegisters) {
98			for(int attributeNum = 0; attributeNum < _attributes.length; attributeNum++) {
99			String attributeName = _attributes[attributeNum].substring(_attributes[attributeNum].lastIndexOf(".") + 1);
100			attributeRegisters.put(_attributes[attributeNum], new Register(source, _name, attributeName));
101			}
102			}
103
104			//---ACCESSOR/MUTATOR METHODS---
105	ajm	1.2
106			protected Queue getQueue() {
107			return MonitorManager.getInstance().getDataQueue();
108			}
109	tdb	1.1
110			//---ATTRIBUTES---
111
112			/**
113			* This is the friendly identifier of the
114			* component this class is running in.
115			* eg, a Filter may be called "filter1",
116			* If this class does not have an owning
117			* component, a name from the configuration
118			* can be placed here. This name could also
119			* be changed to null for utility classes.
120			*/
121			private String _name = "Process";
122
123			/**
124			* A reference to the configuration proxy in use
125			*/
126			private ConfigurationProxy _cp = ConfigurationProxy.getInstance();
127
128			private HashMap _hosts = new HashMap();
129
130			private String[] _attributes = { "packet.processes.total", "packet.processes.cpu", "packet.processes.sleeping", "packet.processes.stopped", "packet.processes.zombie" };
131			private String[] _attributeNames = {"Total Processes", "on CPU Processes", "Sleeping Processes", "Stopped Processes", "Zombie Processes"};
132
133			//---STATIC ATTRIBUTES---
134
135			}