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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.filter; |
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package uk.org.iscream.filter; |
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//---IMPORTS--- |
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import java.io.*; |
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import java.util.*; |
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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.ac.ukc.iscream.core.*; |
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import uk.org.iscream.util.*; |
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import uk.org.iscream.componentmanager.*; |
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import uk.org.iscream.core.*; |
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/** |
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* This class setups up and manages Plugins for performing service |
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public final String REVISION = "$Revision$"; |
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/** |
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* file name suffix for plugin filter classes: |
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* file name suffix for plugin service check classes: |
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*/ |
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private final String _suffix = "__ServiceCheck"; |
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//---STATIC METHODS--- |
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/** |
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* Return a reference to the single class. |
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* Return a reference to the singleton class. |
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* Construct it if it does not already exist, otherwise just return the reference. |
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*/ |
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public static PluginServiceCheckManager getInstance() { |
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//---PUBLIC METHODS--- |
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/** |
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* apply all of the filters in the pipeline to the packet. |
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* return true if they all accept the packet. |
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* return false if any single filter rejects the packet. |
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* return true if there are no filters inthe pipeline. |
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* run all registered service checks on a given host, |
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* returning XML data with information about the check. |
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* |
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* @param the host to run service checks for |
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* @return whether the packet can be passed on |
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* @param hostname the host to run service checks for |
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* @return the xml output from the service checks |
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*/ |
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public String runServiceChecks(String hostname){ |
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if (!_hostPipelines.containsKey(hostname)) { |
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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.ac.ukc.iscream.util.NameFormat class |
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* This uses the uk.org.iscream.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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* @return the requested PluginServiceCheck |
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*/ |
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public synchronized PluginServiceCheck getServiceCheck(String className) { |
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_logger.write(toString(), Logger.DEBUG, "got request for service check - " + className); |
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// see if we've already got the service check loaded |
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if(_loadedServiceChecks.containsKey(className)) { |
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_logger.write(toString(), Logger.DEBUG, className + " already loaded - returning reference to it."); |
