| 2 |
|
package uk.ac.ukc.iscream.client.monitors; |
| 3 |
|
|
| 4 |
|
//---IMPORTS--- |
| 5 |
+ |
import java.util.HashMap; |
| 6 |
|
import uk.ac.ukc.iscream.client.*; |
| 7 |
|
import uk.ac.ukc.iscream.core.*; |
| 8 |
|
import uk.ac.ukc.iscream.util.*; |
| 14 |
|
* @author $Author$ |
| 15 |
|
* @version $Id$ |
| 16 |
|
*/ |
| 17 |
< |
public class CPU__Monitor implements Monitor { |
| 17 |
> |
public class CPU__Monitor extends MonitorSkeleton { |
| 18 |
|
|
| 19 |
|
//---FINAL ATTRIBUTES--- |
| 20 |
|
|
| 29 |
|
|
| 30 |
|
//---CONSTRUCTORS--- |
| 31 |
|
|
| 31 |
– |
public CPU__Monitor() { |
| 32 |
– |
_alerterQueue = ClientMain._alerterQueue; |
| 33 |
– |
// get the configuration for this plug-in |
| 34 |
– |
Configuration config = _refman.getCM().getConfiguration(_name); |
| 35 |
– |
_levels = new double[(Alert.alerts).length]; |
| 36 |
– |
for (int x = 0; x < Alert.alerts.length; x++) { |
| 37 |
– |
try { |
| 38 |
– |
_levels[x] = Double.parseDouble(config.getProperty("Monitor.CPU.level." + x)); |
| 39 |
– |
} catch (NumberFormatException e) { |
| 40 |
– |
_logger.write(toString(), Logger.ERROR, "Invalid configured value for alert level " + x + " - ignoring level."); |
| 41 |
– |
_levels[x] = -1; |
| 42 |
– |
} catch (org.omg.CORBA.MARSHAL e2) { |
| 43 |
– |
_logger.write(toString(), Logger.WARNING, "Alert level " + x + " unused."); |
| 44 |
– |
_levels[x] = -1; |
| 45 |
– |
} |
| 46 |
– |
|
| 47 |
– |
} |
| 48 |
– |
} |
| 32 |
|
//---PUBLIC METHODS--- |
| 33 |
|
|
| 34 |
|
public void analysePacket(XMLPacket packet) { |
| 35 |
< |
String source = packet.getParam("packet.attributes.hostname"); |
| 36 |
< |
for(int x=0; x < _levels.length; x++) { |
| 37 |
< |
if (_levels[x] != -1) { |
| 38 |
< |
double idle = Double.parseDouble(packet.getParam("packet.cpu.idle")); |
| 39 |
< |
if (_levels[x] < idle) fireAlert(x, source, idle, "idle"); |
| 40 |
< |
double user = Double.parseDouble(packet.getParam("packet.cpu.user")); |
| 58 |
< |
if (_levels[x] < user) fireAlert(x, source, user, "user"); |
| 59 |
< |
double kernel = Double.parseDouble(packet.getParam("packet.cpu.kernel")); |
| 60 |
< |
if (_levels[x] < kernel) fireAlert(x, source, kernel, "kernel"); |
| 61 |
< |
double iowait = Double.parseDouble(packet.getParam("packet.cpu.iowait")); |
| 62 |
< |
if (_levels[x] < iowait) fireAlert(x, source, iowait, "iowait"); |
| 63 |
< |
double swap = Double.parseDouble(packet.getParam("packet.cpu.swap")); |
| 64 |
< |
if (_levels[x] < swap) fireAlert(x, source, swap, "swap"); |
| 35 |
> |
if (packet.getParam("packet.attributes.type").equals("data")) { |
| 36 |
> |
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 |
+ |
} |
| 53 |
|
} |
| 54 |
|
} |
| 55 |
|
|
| 70 |
|
} |
| 71 |
|
|
| 72 |
|
/** |
| 73 |
< |
* return the String representation of what the filter does |
| 73 |
> |
* return the String representation of what the monitor does |
| 74 |
|
*/ |
| 75 |
|
public String getDescription(){ |
| 76 |
|
return DESC; |
| 78 |
|
|
| 79 |
|
//---PRIVATE METHODS--- |
| 80 |
|
|
| 81 |
< |
private void fireAlert(int alertLevel, String source, double currentValue, String type) { |
| 82 |
< |
String value = Double.toString(currentValue); |
| 83 |
< |
String thresholdValue = Double.toString(_levels[alertLevel]); |
| 84 |
< |
String attributeName = "CPU " + type; |
| 85 |
< |
Alert alert = new Alert(alertLevel, source, thresholdValue, value, attributeName); |
| 86 |
< |
_alerterQueue.add(alert); |
| 81 |
> |
private int checkAttributeThreshold(String attributeString, Register reg) { |
| 82 |
> |
for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) { |
| 83 |
> |
if (reg.getThreshold(thresholdLevel) != -1.0) { |
| 84 |
> |
if(attributeString != null) { |
| 85 |
> |
try { |
| 86 |
> |
double attribute = Double.parseDouble(attributeString); |
| 87 |
> |
if (reg.getThreshold(thresholdLevel) < attribute) return thresholdLevel; |
| 88 |
> |
} catch (NumberFormatException e) { |
| 89 |
> |
// we got some duff data in the packet, but we shouldn't have |
| 90 |
> |
_logger.write(toString(), Logger.DEBUG, "possible errenous packet data, should be double value - " + attributeString); |
| 91 |
> |
} |
| 92 |
> |
} |
| 93 |
> |
} |
| 94 |
> |
} |
| 95 |
> |
return Alert.thresholdNORMAL; |
| 96 |
|
} |
| 97 |
|
|
| 98 |
+ |
private void initAttributeRegsiters(String source, HashMap attributeRegisters) { |
| 99 |
+ |
for(int attributeNum = 0; attributeNum < _attributes.length; attributeNum++) { |
| 100 |
+ |
attributeRegisters.put(_attributes[attributeNum], new Register(source, _name)); |
| 101 |
+ |
} |
| 102 |
+ |
} |
| 103 |
+ |
|
| 104 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 105 |
|
|
| 106 |
|
//---ATTRIBUTES--- |
| 114 |
|
* can be placed here. This name could also |
| 115 |
|
* be changed to null for utility classes. |
| 116 |
|
*/ |
| 117 |
< |
private String _name = ClientMain.NAME; |
| 116 |
< |
|
| 117 |
< |
/** |
| 118 |
< |
* This holds a reference to the |
| 119 |
< |
* system logger that is being used. |
| 120 |
< |
*/ |
| 121 |
< |
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
| 117 |
> |
private String _name = "CPU"; |
| 118 |
|
|
| 123 |
– |
private double[] _levels; |
| 124 |
– |
|
| 125 |
– |
private Queue _alerterQueue; |
| 126 |
– |
|
| 119 |
|
/** |
| 120 |
< |
* A reference to the reference manager in use |
| 120 |
> |
* A reference to the configuration proxy in use |
| 121 |
|
*/ |
| 122 |
< |
private ReferenceManager _refman = ReferenceManager.getInstance(); |
| 122 |
> |
private ConfigurationProxy _cp = ConfigurationProxy.getInstance(); |
| 123 |
> |
|
| 124 |
> |
private HashMap _hosts = new HashMap(); |
| 125 |
> |
|
| 126 |
> |
private String[] _attributes = { "packet.cpu.user", "packet.cpu.kernel", "packet.cpu.iowait", "packet.cpu.swap" }; |
| 127 |
> |
private String[] _attributeNames = {"User CPU", "Kernel CPU", "I/O Wait CPU", "Swap CPU"}; |
| 128 |
|
|
| 129 |
|
//---STATIC ATTRIBUTES--- |
| 130 |
|
|
