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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.client; |
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package uk.org.iscream.cms.server.client; |
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.util.*; |
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import uk.ac.ukc.iscream.componentmanager.*; |
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import uk.org.iscream.cms.server.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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/** |
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* The Register class holds theshold values, |
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/** |
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* Construct a Register with the hostname and monitorName |
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* (for obtaining the threshold values). |
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* This constructs a generic register for a specific monitor. |
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* |
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* @param hostname the hostname this register is for |
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* @param monitorName the monitor this register is for |
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*/ |
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public Register(String hostname, String monitorName) { |
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this(hostname, monitorName, null); |
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} |
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/** |
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* Construct a Register with the hostname and monitorName |
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* (for obtaining the threshold values). |
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* This constructs a register for a specific attribute check |
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* by a monitor. |
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* |
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* @param hostname the hostname this register is for |
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* @param monitorName the monitor this register is for |
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* @param attributeName the specific attribute this register is for |
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*/ |
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public Register(String hostname, String monitorName, String attributeName) { |
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_hostname = hostname; |
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_monitorName = monitorName; |
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_attributeName = attributeName; |
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_lastAlertLevel = 0; |
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_lastThresholdLevel = 0; |
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_initialAlertTime= 0; |
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_times[x] = 0; |
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} |
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} |
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//---PUBLIC METHODS--- |
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//---PRIVATE METHODS--- |
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/** |
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* Obtains a threshold value from the configuration for a given level. |
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* The attribute name specifies which property to get. |
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* eg, attributeName = idle it will look for |
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* Monitor.<monitor name>.idle.threshold.<alert level> |
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* eg, attributeName = null |
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* Monitor.<monitor name>.threshold.<alert level> |
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* |
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* Note that if its null, this will get the threshold for the monitor |
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* as a whole, not the specific attribute. |
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* |
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* @param level the alert level to get the attribute for |
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* @param attributeName the attribute to get the threshold for |
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* |
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* @return the threshold obtained |
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*/ |
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private String getThresholdConfig(int level, String attributeName) throws PropertyNotFoundException { |
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String temp = ""; |
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if (attributeName != null) { |
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temp = "." + attributeName; |
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} |
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return _cp.getProperty("Host." + _hostname, "Monitor." + _monitorName + temp + ".threshold." + Alert.thresholdLevels[level]); |
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} |
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//---ACCESSOR/MUTATOR METHODS--- |
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/** |
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_lastAlertLevel = level; |
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if (level == Alert.alertOK) { |
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_maxLevelCount = 0; |
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_initialAlertTime = 0; |
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// we won't do this, so OK's still have the initialAlertTime |
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// of the original alert they're OK'ing |
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//_initialAlertTime = 0; |
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} |
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if (level == Alert.alertOK + 1) { |
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_initialAlertTime = System.currentTimeMillis(); |
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// -1.0 means we don't use an alert level |
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double threshold = -1.0; |
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try { |
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String thresholdString = _cp.getProperty("Host." + _hostname, "Monitor." + _monitorName + ".threshold." + Alert.thresholdLevels[level]); |
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String thresholdString = ""; |
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try { |
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thresholdString = getThresholdConfig(level, _attributeName); |
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} catch (PropertyNotFoundException e) { |
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thresholdString = getThresholdConfig(level, null); |
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} |
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threshold = Double.parseDouble(thresholdString); |
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} catch (PropertyNotFoundException e) { |
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threshold = -1.0; |
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* and is converted from the value in the config, |
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* which should be seconds. |
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* |
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* Note that if the alert timeout for the current monitor |
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* is not configured, it will try to obtain the default |
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* timeout for all Monitor's. If there is no alert timeout |
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* for either the monitor or a default setting this returns 0. |
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* |
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* Note that this is dependant on the threshold value |
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* given, the timeout is obatined from the config, then |
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* divided by the threshold value, this allows alerts to |
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* progress faster should a higher threshold value be passed |
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* |
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* If there is no alert timeout for a |
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* given level, this returns 0 |
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* |
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* @param level the alert level |
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* @param thresholdLevel the threshold leve we are on |
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*/ |
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// 0 means we don't use this value |
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long timeout = 0; |
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try { |
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String timeoutString = _cp.getProperty("Host." + _hostname, "Monitor." + _monitorName + ".alertTimeout." + Alert.alertLevels[level]); |
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String timeoutString; |
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try { |
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timeoutString = _cp.getProperty("Host." + _hostname, "Monitor." + _monitorName + ".alertTimeout." + Alert.alertLevels[level]); |
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} catch (PropertyNotFoundException e) { |
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// if there is no timeout for the monitor |
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// check for a default |
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timeoutString = _cp.getProperty("Host." + _hostname, "Monitor.alertTimeout." + Alert.alertLevels[level]); |
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} |
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int threshold = getLastThresholdLevel(); |
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if (threshold > 0) { |
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timeout = (Long.parseLong(timeoutString) / threshold) * 1000; |
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* The monitor this register is for |
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*/ |
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private String _monitorName; |
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/** |
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* The attribute name, as obtained from |
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* the configuration. |
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* eg, idle or /var |
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*/ |
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private String _attributeName; |
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/** |
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* An array of last alert levels for |