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/* |
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* i-scream central monitoring system |
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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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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.clientinterface; |
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package uk.org.iscream.cms.server.clientinterface; |
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//---IMPORTS--- |
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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.ac.ukc.iscream.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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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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/** |
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* This class starts the real time clients |
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* This method starts the ClientInterface |
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*/ |
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public void start() throws ComponentStartException { |
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// get references to key objects |
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_logger = _refman.getLogger(); |
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_logger.write(toString(), Logger.SYSINIT, "coming up"); |
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// configuration variables we require |
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String ourName = null; |
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int listenPort = 0; |
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Configuration config = _refman.getCM().getConfiguration("ClientInterface"); |
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if (config == null) { |
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System.err.println("CRITICAL:Unable to obtain configuration" + |
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"\n Advise you check the i-scream log for more information."); |
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_logger.write(toString(), Logger.FATAL, "ERROR - unable to obtain configuration"); |
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System.exit(1); |
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} else { |
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try { |
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ourName = config.getProperty("RootFilter.realtimeInterfaceName"); |
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listenPort = Integer.parseInt(config.getProperty("ClientInterface.listenPort")); |
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} catch (org.omg.CORBA.MARSHAL e) { |
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System.err.println ("CRITICAL:Unable to obtain required configuration property" + |
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"\n Advise you check the i-scream log for more information."); |
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_logger.write(toString(), Logger.FATAL, "ERROR - required configuration property not present"); |
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System.exit(1); |
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} |
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ConfigurationProxy cp = ConfigurationProxy.getInstance(); |
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String configName = "ClientInterface"; |
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// set our name |
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try { |
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NAME = cp.getProperty(configName, "ClientInterface.name"); |
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} catch (PropertyNotFoundException e) { |
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NAME = null; |
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_logger.write(toString(), Logger.WARNING, "ClientInterface name not set: "+e); |
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} |
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// now we have the name of the interface we set it |
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NAME = ourName; |
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_logger.write(toString(), Logger.SYSINIT, "configured"); |
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// Setup a PacketSorter |
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PacketSorter ps = new PacketSorter(); |
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ps.start(); |
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// ClientInterfaceServant start (for inbound data) |
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_logger.write(toString(), Logger.DEBUG, "starting servant for inbound data"); |
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ClientInterfaceServant ciServant = new ClientInterfaceServant(); |
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ClientInterfaceServant ciServant = new ClientInterfaceServant(ps); |
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_refman.bindToOrb(ciServant, "iscream.ClientInterface." + ClientInterfaceMain.NAME); |
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TCPClientListener tcpClientListener = new TCPClientListener(listenPort, ciServant); |
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// Startup the TCPListener |
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TCPClientListener tcpClientListener = new TCPClientListener(ps); |
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tcpClientListener.start(); |
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// Startup the CORBA Listener |
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_logger.write(toString(), Logger.DEBUG, "starting servant for inbound clients"); |
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CorbaClientListenerServant corbaServant = new CorbaClientListenerServant(ps); |
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// !!! verify this name is correct at some point !!! |
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_refman.bindToOrb(corbaServant, "iscream.ClientInterface.CorbaListener"); |
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_logger.write(toString(), Logger.SYSINIT, "started"); |
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} |
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/** |
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* Does a dependency check. Used mainly at startup to |
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* see if the required dependencies (components) are up |
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* and running. |
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* |
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* @return a boolean value, true if the depdencies are satisfied |
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*/ |
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public boolean depCheck() { |
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try { |
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org.omg.CORBA.Object obj; |
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obj = _refman.getCORBARef("iscream.Logger"); |
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obj = _refman.getCORBARef("iscream.ConfigurationManager"); |
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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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} |
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// dependency check suceeded |
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return true; |
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} |
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/** |
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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.cms.server.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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* This holds a reference to the |
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* system logger that is being used. |
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*/ |
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private Logger _logger = ReferenceManager.getInstance().getLogger(); |
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private Logger _logger; |
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/** |
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* A reference to the reference manager in use |
