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package uk.ac.ukc.iscream.client.monitors; |
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//---IMPORTS--- |
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import java.util.HashMap; |
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import uk.ac.ukc.iscream.client.*; |
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import uk.ac.ukc.iscream.core.*; |
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import uk.ac.ukc.iscream.util.*; |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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public class CPU__Monitor implements Monitor { |
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public class CPU__Monitor implements PluginMonitor { |
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//---FINAL ATTRIBUTES--- |
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try { |
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_levels[x] = Double.parseDouble(config.getProperty("Monitor.CPU.level." + x)); |
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} catch (NumberFormatException e) { |
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_logger.write(toString(), Logger.ERROR, "Invalid configured value for alert level " + x + " - ignoring level."); |
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_levels[x] = -1; |
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} catch (org.omg.CORBA.MARSHAL e2) { |
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_logger.write(toString(), Logger.WARNING, "Alert level " + x + " unused."); |
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_levels[x] = -1; |
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} |
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} |
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} |
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//---PUBLIC METHODS--- |
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public void analysePacket(XMLPacket packet) { |
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for(int x=0; x < _levels.length; x++) { |
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if (_levels[x] != -1) { |
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double idle = Double.parseDouble(packet.getParam("packet.cpu.idle")); |
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if (_levels[x] < idle) fireAlert(x, idle, "idle"); |
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double user = Double.parseDouble(packet.getParam("packet.cpu.user")); |
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if (_levels[x] < user) fireAlert(x, user, "user"); |
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double kernel = Double.parseDouble(packet.getParam("packet.cpu.kernel")); |
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if (_levels[x] < kernel) fireAlert(x, kernel, "kernel"); |
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double iowait = Double.parseDouble(packet.getParam("packet.cpu.iowait")); |
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if (_levels[x] < iowait) fireAlert(x, iowait, "iowait"); |
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double swap = Double.parseDouble(packet.getParam("packet.cpu.swap")); |
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if (_levels[x] < swap) fireAlert(x, swap, "swap"); |
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if (packet.getParam("packet.attributes.type").equals("data")) { |
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String source = packet.getParam("packet.attributes.machine_name"); |
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if (!_hosts.containsKey(source)) { |
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_hosts.put(source, new Register(_attributes.length)); |
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} |
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Register reg = (Register) _hosts.get(source); |
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for(int x = 0; x < _attributes.length; x++) { |
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int result = checkAttribute(packet, _attributes[x]); |
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if (result != reg.getRegister(x)) { |
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reg.setRegister(x, result); |
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fireAlert(result, source, packet.getParam(_attributes[x]), _attributeNames[x]); |
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} |
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} |
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} |
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} |
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//---PRIVATE METHODS--- |
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private void fireAlert(int alertLevel, double currentValue, String type) { |
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String value = Double.toString(currentValue); |
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private int checkAttribute(XMLPacket packet, String packetAttribute) { |
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for(int x= _levels.length; x > 0; x--) { |
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if (_levels[x] != -1) { |
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if(packet.getParam(packetAttribute) != null) { |
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double attribute = Double.parseDouble(packet.getParam(packetAttribute)); |
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if (_levels[x] < attribute) return x; |
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} |
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} |
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} |
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return 0; |
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} |
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private void fireAlert(int alertLevel, String source, String currentValue, String attributeName) { |
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String thresholdValue = Double.toString(_levels[alertLevel]); |
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String attributeName = "CPU " + type; |
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Alert alert = new Alert(alertLevel, thresholdValue, value, attributeName); |
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Alert alert = new Alert(alertLevel, source, thresholdValue, currentValue, attributeName); |
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_alerterQueue.add(alert); |
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_logger.write(toString(), Logger.DEBUG, "Fired alert for source:" + source + " at alert level:" + alertLevel + " on:" + attributeName + " at:" + currentValue + " exceeding threshold:" + _levels[alertLevel]); |
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} |
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//---ACCESSOR/MUTATOR METHODS--- |
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* A reference to the reference manager in use |
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*/ |
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private ReferenceManager _refman = ReferenceManager.getInstance(); |
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private HashMap _hosts = new HashMap(); |
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private String[] _attributes = { "packet.cpu.user", "packet.cpu.kernel", "packet.cpu.iowait", "packet.cpu.swap" }; |
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private String[] _attributeNames = {"User CPU", "Kernel CPU", "I/O Wait CPU", "Swap CPU"}; |
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//---STATIC ATTRIBUTES--- |
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