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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.filtermanager; |
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.core.*; |
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import uk.ac.ukc.iscream.filter.*; |
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import org.omg.CORBA.*; |
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import org.omg.CosNaming.*; |
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import org.omg.PortableServer.*; |
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import uk.ac.ukc.iscream.util.*; |
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/** |
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* A FilterManager |
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* The FilterManager handles assignment of Filters to hosts. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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//---STATIC METHODS--- |
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public static void main(String[] args) { |
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// *************************************** |
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// VERY TEMPORARY - will find a better way |
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System.setProperty("org.omg.CORBA.ORBClass","jacorb.orb.ORB"); |
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System.setProperty("org.omg.CORBA.ORBSingletonClass","jacorb.orb.ORBSingleton"); |
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// *************************************** |
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// can't have a real toString() :) |
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String toString = "FilterManager(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
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try { |
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ORB orb = ORB.init(args, null); |
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// something to hold objects |
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org.omg.CORBA.Object objRef = null; |
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// get the Root POA |
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objRef = orb.resolve_initial_references("RootPOA"); |
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POA poa = POAHelper.narrow(objRef); |
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// get a hook to the name service |
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objRef = orb.resolve_initial_references("NameService"); |
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NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef); |
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// get a ref to the Configurator & the Logger |
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objRef = ncRef.resolve(ncRef.to_name("iscream.Configurator")); |
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Configurator configurator = ConfiguratorHelper.narrow(objRef); |
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objRef = ncRef.resolve(ncRef.to_name("iscream.Logger")); |
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Logger logger = LoggerHelper.narrow(objRef); |
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logger.write(toString, "coming up"); |
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// create the filterManagerRef to our servant |
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//filterManagerRef = new FilterManagerServant; |
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// register the servant with the name service |
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//objRef = poa.servant_to_reference(filterManagerRef); |
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//ncRef.bind(ncRef.to_name("iscream.FilterManager"), objRef); |
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// start the POA off |
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poa.the_POAManager().activate(); |
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// get the config |
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Configuration myConfig = configurator.getConfiguration("filterManager"); |
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// some place holders for the configuration |
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int port = 0; |
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// did we? |
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if (myConfig == null) { |
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System.out.println("Failed: is it there?, can you read it?"); |
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System.exit(1); |
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} else { |
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// get the property |
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try { |
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port = new Integer(myConfig.getProperty("listenPort")).intValue(); |
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} catch (org.omg.CORBA.MARSHAL e) { |
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System.out.println("Caught org.omg.CORBA.MARSHAL, must be a null we got back"); |
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System.exit(1); |
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} |
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ReferenceManager refman = ReferenceManager.init(null, null); |
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refman.getLogger().write(toString, Logger.SYSINIT, "coming up"); |
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// configuration variable we require |
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int listenPort = 0; |
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Configuration config = refman.getCM().getConfiguration("FilterManager"); |
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if (config == null) { |
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throw new RuntimeException ("CRITICAL:Unable to obtain configuration" + |
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" Advise you check the i-scream log for more information."); |
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} else { |
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try { |
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listenPort = Integer.parseInt(config.getProperty("FilterManager.listenPort")); |
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} catch (org.omg.CORBA.MARSHAL e) { |
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refman.getLogger().write(toString, Logger.FATAL, "required config property not present"); |
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throw new RuntimeException ("CRITICAL:Unable to obtain required configuration property" + |
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" Advise you check the i-scream log for more information."); |
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} |
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logger.write(toString, "configured"); |
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logger.write(toString, "starting listener"); |
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FilterManagerListener fml = new FilterManagerListener(logger, configurator, port); |
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fml.start(); |
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logger.write(toString, "started"); |
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} catch (Exception e) { |
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System.err.println("FILTER MANAGER ERROR: " + e); |
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e.printStackTrace(System.out); |
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} |
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refman.getLogger().write(toString, Logger.SYSINIT, "configured"); |
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refman.getLogger().write(toString, Logger.SYSINIT, "starting listener"); |
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HostListener hostListener = new HostListener(listenPort); |
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hostListener.start(); |
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refman.getLogger().write(toString, Logger.SYSINIT, "listener started"); |
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} |
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//---CONSTRUCTORS--- |