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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/rootfilter/RootFilter.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/rootfilter/RootFilter.java (file contents):
Revision 1.29 by tdb, Wed Mar 14 01:34:34 2001 UTC vs.
Revision 1.43 by tdb, Mon May 5 22:05:14 2003 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* http://www.i-scream.org.uk
4	+	* Copyright (C) 2000-2002 i-scream
5	+	*
6	+	* This program is free software; you can redistribute it and/or
7	+	* modify it under the terms of the GNU General Public License
8	+	* as published by the Free Software Foundation; either version 2
9	+	* of the License, or (at your option) any later version.
10	+	*
11	+	* This program is distributed in the hope that it will be useful,
12	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	+	* GNU General Public License for more details.
15	+	*
16	+	* You should have received a copy of the GNU General Public License
17	+	* along with this program; if not, write to the Free Software
18	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19	+	*/
20
21	+
22		//---PACKAGE DECLARATION---
23	<	package uk.ac.ukc.iscream.rootfilter;
23	>	package uk.org.iscream.cms.server.rootfilter;
24
25		//---IMPORTS---
26	<	import uk.ac.ukc.iscream.util.*;
27	<	import uk.ac.ukc.iscream.core.*;
28	<	import uk.ac.ukc.iscream.componentmanager.*;
29	<	import uk.ac.ukc.iscream.clientinterface.*;
26	>	import uk.org.iscream.cms.util.*;
27	>	import uk.org.iscream.cms.server.core.*;
28	>	import uk.org.iscream.cms.server.componentmanager.*;
29	>	import uk.org.iscream.cms.server.clientinterface.*;
30
31		/**
32		* The root filter is what all filters talk to
#	Line 39 | Line 59 | public class RootFilter implements Component {
59		*/
60		public void start() throws ComponentStartException {
61		// get references to key objects
62	<	_refman = ReferenceManager.getInstance();
43	<	_logger = ReferenceManager.getInstance().getLogger();
62	>	_logger = _refman.getLogger();
63
64		_logger.write(toString(), Logger.SYSINIT, "coming up");
65
#	Line 55 | Line 74 | public class RootFilter implements Component {
74		_logger.write(toString(), Logger.WARNING, "RootFilter name not set: "+e);
75		}
76
77	<	// try and get the names of the ciReal and ciDB
78	<	String realInterface, dbInterface;
77	>	// setup a queue
78	>	Queue queue;
79	>	// see if this Queue needs a size limit
80		try {
81	<	realInterface = cp.getProperty(configName, "RootFilter.realtimeInterfaceName");
82	<	dbInterface = cp.getProperty(configName, "RootFilter.dbInterfaceName");
81	>	int queueSizeLimit = Integer.parseInt(cp.getProperty(configName, "Queue.SizeLimit"));
82	>	String queueRemoveAlgorithm = cp.getProperty(configName, "Queue.RemoveAlgorithm");
83	>	int algorithm = StringUtils.getStringPos(queueRemoveAlgorithm, Queue.algorithms);
84	>	if(algorithm != -1) {
85	>	_logger.write(toString(), Logger.DEBUG, "Starting Queue with size limit of "+queueSizeLimit+", using remove algorithm "+queueRemoveAlgorithm);
86	>	// we have valid values, so lets start it.
87	>	queue = new Queue(queueSizeLimit, algorithm);
88	>	}
89	>	else {
90	>	_logger.write(toString(), Logger.WARNING, "Bad Queue Algorithm configuration, not known: "+queueRemoveAlgorithm);
91	>	// just don't activate a limit
92	>	queue = new Queue();
93	>	}
94	>
95		} catch (PropertyNotFoundException e) {
96		_logger.write(toString(), Logger.DEBUG, "Optional config not set: "+e);
97	<	realInterface = null;
98	<	dbInterface = null;
97	>	// just don't activate a limit
98	>	queue = new Queue();
99	>	} catch (NumberFormatException e) {
100	>	_logger.write(toString(), Logger.WARNING, "Bad Queue SizeLimit configuration: "+e);
101	>	// just don't activate a limit
102	>	queue = new Queue();
103		}
104
69	–	ClientInterface ciReal = null, ciDB = null;
70	–	// get reference to the client interfaces - the real time one
71	–	if (realInterface != null) {
72	–	ciReal = ClientInterfaceHelper.narrow(_refman.getCORBARef("iscream.ClientInterface." + realInterface));
73	–	}
74	–	// get reference to the client interfaces - and the db one
75	–	if (dbInterface != null) {
76	–	ciDB = ClientInterfaceHelper.narrow(_refman.getCORBARef("iscream.ClientInterface." + dbInterface));
77	–	}
78	–
79	–	// setup a queue
80	–	Queue queue = new Queue();
81	–
105		// startup a monitor on this queue
106		try {
107		// try to get the interval, if this fails, we won't start up the monitor
#	Line 89 | Line 112 | public class RootFilter implements Component {
112		_logger.write(toString(), Logger.WARNING, "failed to find queue monitor config, disabling. " + e);
113		}
114
92	–	if (realInterface == null) {
93	–	_logger.write(toString(), Logger.DEBUG, "hooked to interfaces - " + dbInterface);
94	–	CIWrapper c = new CIWrapper(ciDB, queue);
95	–	c.start();
96	–	} else if (dbInterface == null) {
97	–	_logger.write(toString(), Logger.DEBUG, "hooked to interfaces - " + realInterface);
98	–	CIWrapper c = new CIWrapper(ciReal, queue);
99	–	c.start();
100	–	} else {
101	–	_logger.write(toString(), Logger.DEBUG, "hooked to interfaces - " + realInterface + " & " + dbInterface);
102	–	CIWrapper c = new CIWrapper(ciReal, queue);
103	–	c.start();
104	–	c = new CIWrapper(ciDB, queue);
105	–	c.start();
106	–	}
107	–
115		// RootFilterServant start (for inbound child filter data)
116		_logger.write(toString(), Logger.DEBUG, "starting Root Filter");
117		RootFilterServant filterServant = new RootFilterServant(queue);
118		// bind to the naming service as a filter
119	<	_refman.bindToOrb(filterServant, "iscream.Filter." + RootFilter.NAME);
119	>	_refman.bindToOrb(filterServant, "iscream.Filter\\." + RootFilter.NAME);
120
121	+	// Startup the CORBA Listener
122	+	_logger.write(toString(), Logger.DEBUG, "starting servant for inbound clients");
123	+	CorbaClientListenerServant corbaServant = new CorbaClientListenerServant(queue);
124	+	_refman.bindToOrb(corbaServant, "iscream.ClientInterface\\." + RootFilter.NAME);
125	+
126		_logger.write(toString(), Logger.SYSINIT, "started");
127
128		}
#	Line 123 | Line 135 | public class RootFilter implements Component {
135		* @return a boolean value, true if the depdencies are satisfied
136		*/
137		public boolean depCheck() {
138	+	org.omg.CORBA.Object obj;
139	+
140	+	// first we need to check the Configuration system is available
141		try {
127	–	org.omg.CORBA.Object obj;
142		// first check the ConfigurationManager is alive
143		obj = _refman.getCORBARef("iscream.ConfigurationManager");
130	–	// then get some info on the CLI and DBI
131	–	ConfigurationProxy cp = ConfigurationProxy.getInstance();
132	–	String cli = cp.getProperty("RootFilter", "RootFilter.realtimeInterfaceName");
133	–	String dbi = cp.getProperty("RootFilter", "RootFilter.dbInterfaceName");
134	–	// finally check the CLI and DBI are alive
135	–	obj = _refman.getCORBARef("iscream.ClientInterface." + cli);
136	–	obj = _refman.getCORBARef("iscream.ClientInterface." + dbi);
144		} catch(ComponentCORBAException e) {
145	<	_logger.write(toString(), Logger.WARNING, "Dependency Failure: "+e);
145	>	System.err.println(toString() + ": Dependency Failure: "+e);
146		return false;
140	–	} catch(PropertyNotFoundException e) {
141	–	_logger.write(toString(), Logger.WARNING, "Unable to obtain configuration: "+e);
142	–	return false;
147		}
148	+
149		// dependency check suceeded
150		return true;
151		}
#	Line 149 | Line 154 | public class RootFilter implements Component {
154		* Overrides the {@link java.lang.Object#toString() Object.toString()}
155		* method to provide clean logging (every class should have this).
156		*
157	<	* This uses the uk.ac.ukc.iscream.util.NameFormat class
157	>	* This uses the uk.org.iscream.cms.util.NameFormat class
158		* to format the toString()
159		*
160		* @return the name of this class and its CVS revision
#	Line 176 | Line 181 | public class RootFilter implements Component {
181		/**
182		* A reference to the reference manager in use
183		*/
184	<	private ReferenceManager _refman;
184	>	private ReferenceManager _refman = ReferenceManager.getInstance();
185
186		//---STATIC ATTRIBUTES---
187
#	Line 187 | Line 192 | public class RootFilter implements Component {
192		*/
193		public static String NAME;
194
195	<	}
195	>	}

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