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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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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.filter; |
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//---IMPORTS--- |
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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.core.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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import uk.org.iscream.cms.server.filter.*; |
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// which input methods do we need to activate? |
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// default to activating them |
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boolean activateTCPReader = true; |
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boolean activateUDPReader = true; |
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boolean activateCORBAReader = true; |
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|
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// check for TCP Reader |
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try { |
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int tcp = Integer.parseInt(cp.getProperty("Filter." + FilterMain.NAME, "Filter.ActivateTCPReader")); |
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activateTCPReader = (tcp == 1); |
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} catch (PropertyNotFoundException e) { |
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activateTCPReader = false; |
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} catch (NumberFormatException e) { |
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activateTCPReader = false; |
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} |
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// check for UDP Reader |
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try { |
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int udp = Integer.parseInt(cp.getProperty("Filter." + FilterMain.NAME, "Filter.ActivateUDPReader")); |
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// there's little point starting a Queue and a FilterThread |
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// if nothing is going to be giving us any data |
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if(activateTCPReader || activateUDPReader || activateCORBAReader) { |
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if(activateUDPReader || activateCORBAReader) { |
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// see if this Queue needs a size limit |
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try { |
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int queueSizeLimit = Integer.parseInt(cp.getProperty("Filter." + FilterMain.NAME, "Queue.SizeLimit")); |
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// the corba listener needs these to be set, so lets |
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// make them something obviously invalid initially |
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int TCPListenPort = -1; |
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int UDPListenPort = -1; |
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// TCP Reader start (for heartbeats) |
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if(activateTCPReader) { |
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try { |
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// get the port number from the configuration |
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TCPListenPort = Integer.parseInt(cp.getProperty("Filter." + FilterMain.NAME, "Filter.TCPListenPort")); |
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// start the TCPReader |
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_logger.write(toString(), Logger.SYSINIT, "starting Filter TCP listener"); |
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TCPReader tcpReader = new TCPReader(TCPListenPort, queue); |
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tcpReader.start(); |
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} catch (PropertyNotFoundException e) { |
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_logger.write(toString(), Logger.WARNING, "Unable to start TCPReader due to missing configuration: " + e); |
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} catch (NumberFormatException e) { |
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_logger.write(toString(), Logger.WARNING, "Unable to start TCPReader due to invalid configuration: " + e); |
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} |
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} |
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// UDP Reader start (for inbound host data) |
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if(activateUDPReader) { |
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try { |
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if(activateCORBAReader) { |
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// start the FilterServant |
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_logger.write(toString(), Logger.SYSINIT, "starting Servant to listen for downstream filters"); |
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FilterServant filterServant = new FilterServant(TCPListenPort, UDPListenPort, queue); |
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_refman.bindToOrb(filterServant, "iscream.Filter." + FilterMain.NAME); |
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FilterServant filterServant = new FilterServant(queue); |
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_refman.bindToOrb(filterServant, "iscream.Filter\\." + FilterMain.NAME); |
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} |
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// FilterInfoServant start (to provide filter information to the server) |
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_logger.write(toString(), Logger.SYSINIT, "starting Servant to provide filter information"); |
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FilterInfoServant filterInfoServant = new FilterInfoServant(UDPListenPort); |
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_refman.bindToOrb(filterInfoServant, "iscream.FilterInfo\\." + FilterMain.NAME); |
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_logger.write(toString(), Logger.SYSINIT, "started"); |
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} |
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ConfigurationProxy cp = ConfigurationProxy.getInstance(); |
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String parentFilterName = cp.getProperty("Filter." + FilterMain.NAME, "Filter.parentFilter"); |
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// finally check the parent filter is alive |
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obj = _refman.getCORBARef("iscream.Filter." + parentFilterName); |
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obj = _refman.getCORBARef("iscream.Filter\\." + parentFilterName); |
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} catch(ComponentCORBAException e) { |
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System.err.println(toString() + ": Dependency Failure: "+e); |
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return false; |
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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 |
