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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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//---PACKAGE DECLARATION--- |
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package uk.org.iscream.cms.server.client.monitors; |
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import java.text.NumberFormat; |
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import uk.org.iscream.cms.server.client.*; |
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import uk.org.iscream.cms.server.core.*; |
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import uk.org.iscream.cms.server.util.*; |
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import uk.org.iscream.cms.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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/** |
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// check if we've seen this disk before on a previous run |
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// if not, we need to create a register for it |
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// nb. use the device as the key as this is unlikely to change, |
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// nb. use the mount as the key as this is unlikely to change, |
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// unlike diskNumber which could easily change |
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// (diskNumber is based on the order of df's output!) |
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if(!diskRegisters.containsKey(device)) { |
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diskRegisters.put(device, new Register(source, _name, mount)); |
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if(!diskRegisters.containsKey(mount)) { |
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diskRegisters.put(mount, new Register(source, _name, mount)); |
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} |
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// get the register for this disk |
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Register reg = (Register) diskRegisters.get(device); |
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Register reg = (Register) diskRegisters.get(mount); |
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// get the packet data |
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double diskTotal, diskAvail; |
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boolean useValue = false; |
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try { |
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String option = _cp.getProperty("Host." + source, "Monitor." + _name + ".thresholdMeasure"); |
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// try looking for a mount-point specific thresholdMeasure first |
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String option = _cp.getProperty("Host." + source, "Monitor." + _name + "." + mount + ".thresholdMeasure"); |
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if (option.equals("VALUE")) { |
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useValue = true; |
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} |
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} |
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} catch (PropertyNotFoundException e) { |
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// we default to percentage |
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try { |
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// now look for a more general thresholdMeasure |
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String option = _cp.getProperty("Host." + source, "Monitor." + _name + ".thresholdMeasure"); |
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if (option.equals("VALUE")) { |
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useValue = true; |
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} |
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} catch (PropertyNotFoundException f) { |
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// we default to percentage in any case |
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} |
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} |
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// this bit determines if the disk check is a % check |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.org.iscream.cms.server.util.NameFormat class |
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* This uses the uk.org.iscream.cms.util.NameFormat class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
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* @param negateCheck whether to negate the check |
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* @return the threshold level breached, if any |
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*/ |
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private int checkAttributeThreshold(double diskInUse, Register reg, boolean negateCheck) { |
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private int checkAttributeThreshold(double value, Register reg, boolean negateCheck) { |
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for(int thresholdLevel = Alert.thresholdLevels.length - 1; thresholdLevel >= 0; thresholdLevel--) { |
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if (reg.getThreshold(thresholdLevel) != -1.0) { |
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if(!negateCheck) { |
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// normal check - has the value gone *over* the threshold |
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if(((double) reg.getThreshold(thresholdLevel)) < diskInUse) { |
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if(((double) reg.getThreshold(thresholdLevel)) < value) { |
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return thresholdLevel; |
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} |
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} |
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else { |
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// negated check - has the value gone *under* the threshold |
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if(((double) reg.getThreshold(thresholdLevel)) > diskInUse) { |
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if(((double) reg.getThreshold(thresholdLevel)) > value) { |
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return thresholdLevel; |
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} |
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} |
