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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 1.42 by tdb, Wed Feb 5 16:43:48 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 57 | Line 76 | public class RootFilter implements Component {
76
77		// try and get the names of the ciReal and ciDB
78		String realInterface, dbInterface;
79	+	// first realtime
80		try {
81		realInterface = cp.getProperty(configName, "RootFilter.realtimeInterfaceName");
62	–	dbInterface = cp.getProperty(configName, "RootFilter.dbInterfaceName");
82		} catch (PropertyNotFoundException e) {
83		_logger.write(toString(), Logger.DEBUG, "Optional config not set: "+e);
84		realInterface = null;
85	+	}
86	+	// next dbi
87	+	try {
88	+	dbInterface = cp.getProperty(configName, "RootFilter.dbInterfaceName");
89	+	} catch (PropertyNotFoundException e) {
90	+	_logger.write(toString(), Logger.DEBUG, "Optional config not set: "+e);
91		dbInterface = null;
92		}
93
94		ClientInterface ciReal = null, ciDB = null;
95		// get reference to the client interfaces - the real time one
96		if (realInterface != null) {
97	<	ciReal = ClientInterfaceHelper.narrow(_refman.getCORBARef("iscream.ClientInterface." + realInterface));
97	>	ciReal = ClientInterfaceHelper.narrow(_refman.getCORBARef("iscream.ClientInterface\\." + realInterface));
98		}
99		// get reference to the client interfaces - and the db one
100		if (dbInterface != null) {
101	<	ciDB = ClientInterfaceHelper.narrow(_refman.getCORBARef("iscream.ClientInterface." + dbInterface));
101	>	ciDB = ClientInterfaceHelper.narrow(_refman.getCORBARef("iscream.ClientInterface\\." + dbInterface));
102		}
103	<
103	>
104		// setup a queue
105	<	Queue queue = new Queue();
105	>	Queue queue;
106	>	// see if this Queue needs a size limit
107	>	try {
108	>	int queueSizeLimit = Integer.parseInt(cp.getProperty(configName, "Queue.SizeLimit"));
109	>	String queueRemoveAlgorithm = cp.getProperty(configName, "Queue.RemoveAlgorithm");
110	>	int algorithm = StringUtils.getStringPos(queueRemoveAlgorithm, Queue.algorithms);
111	>	if(algorithm != -1) {
112	>	_logger.write(toString(), Logger.DEBUG, "Starting Queue with size limit of "+queueSizeLimit+", using remove algorithm "+queueRemoveAlgorithm);
113	>	// we have valid values, so lets start it.
114	>	queue = new Queue(queueSizeLimit, algorithm);
115	>	}
116	>	else {
117	>	_logger.write(toString(), Logger.WARNING, "Bad Queue Algorithm configuration, not known: "+queueRemoveAlgorithm);
118	>	// just don't activate a limit
119	>	queue = new Queue();
120	>	}
121	>
122	>	} catch (PropertyNotFoundException e) {
123	>	_logger.write(toString(), Logger.DEBUG, "Optional config not set: "+e);
124	>	// just don't activate a limit
125	>	queue = new Queue();
126	>	} catch (NumberFormatException e) {
127	>	_logger.write(toString(), Logger.WARNING, "Bad Queue SizeLimit configuration: "+e);
128	>	// just don't activate a limit
129	>	queue = new Queue();
130	>	}
131
132		// startup a monitor on this queue
133		try {
#	Line 89 | Line 139 | public class RootFilter implements Component {
139		_logger.write(toString(), Logger.WARNING, "failed to find queue monitor config, disabling. " + e);
140		}
141
142	<	if (realInterface == null) {
142	>	if (realInterface != null && dbInterface != null) {
143	>	_logger.write(toString(), Logger.DEBUG, "hooked to interfaces - " + realInterface + " & " + dbInterface);
144	>	CIWrapper c = new CIWrapper(ciReal, queue);
145	>	c.start();
146	>	c = new CIWrapper(ciDB, queue);
147	>	c.start();
148	>	} else if (realInterface == null) {
149		_logger.write(toString(), Logger.DEBUG, "hooked to interfaces - " + dbInterface);
150		CIWrapper c = new CIWrapper(ciDB, queue);
151		c.start();
#	Line 98 | Line 154 | public class RootFilter implements Component {
154		CIWrapper c = new CIWrapper(ciReal, queue);
155		c.start();
156		} else {
157	<	_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();
157	>	_logger.write(toString(), Logger.WARNING, "not hooked to any client interfaces, this is probably not intentional!");
158		}
159
160		// RootFilterServant start (for inbound child filter data)
161		_logger.write(toString(), Logger.DEBUG, "starting Root Filter");
162		RootFilterServant filterServant = new RootFilterServant(queue);
163		// bind to the naming service as a filter
164	<	_refman.bindToOrb(filterServant, "iscream.Filter." + RootFilter.NAME);
164	>	_refman.bindToOrb(filterServant, "iscream.Filter\\." + RootFilter.NAME);
165
166		_logger.write(toString(), Logger.SYSINIT, "started");
167
#	Line 123 | Line 175 | public class RootFilter implements Component {
175		* @return a boolean value, true if the depdencies are satisfied
176		*/
177		public boolean depCheck() {
178	+	org.omg.CORBA.Object obj;
179	+
180	+	// first we need to check the Configuration system is available
181		try {
127	–	org.omg.CORBA.Object obj;
182		// first check the ConfigurationManager is alive
183		obj = _refman.getCORBARef("iscream.ConfigurationManager");
184	<	// then get some info on the CLI and DBI
185	<	ConfigurationProxy cp = ConfigurationProxy.getInstance();
184	>	} catch(ComponentCORBAException e) {
185	>	System.err.println(toString() + ": Dependency Failure: "+e);
186	>	return false;
187	>	}
188	>
189	>	// next we need to check which client interfaces *should*
190	>	// be active, and check them. Note they do not have to
191	>	// be enabled, and we should check this.
192	>	// -- each check only forces a dependency if it's configured
193	>	ConfigurationProxy cp = ConfigurationProxy.getInstance();
194	>	// first check the client interface
195	>	try {
196		String cli = cp.getProperty("RootFilter", "RootFilter.realtimeInterfaceName");
197	<	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);
197	>	obj = _refman.getCORBARef("iscream.ClientInterface\\." + cli);
198		} catch(ComponentCORBAException e) {
199	<	_logger.write(toString(), Logger.WARNING, "Dependency Failure: "+e);
199	>	System.err.println(toString() + ": Dependency Failure: "+e);
200		return false;
201		} catch(PropertyNotFoundException e) {
202	<	_logger.write(toString(), Logger.WARNING, "Unable to obtain configuration: "+e);
202	>	System.err.println(toString() + ": Client interface not configured and thus not enabled.");
203	>	}
204	>	// second check the database interface
205	>	try {
206	>	String dbi = cp.getProperty("RootFilter", "RootFilter.dbInterfaceName");
207	>	obj = _refman.getCORBARef("iscream.ClientInterface\\." + dbi);
208	>	} catch(ComponentCORBAException e) {
209	>	System.err.println(toString() + ": Dependency Failure: "+e);
210		return false;
211	+	} catch(PropertyNotFoundException e) {
212	+	System.err.println(toString() + ": Database interface not configured and thus not enabled.");
213		}
214	+
215		// dependency check suceeded
216		return true;
217		}
#	Line 149 | Line 220 | public class RootFilter implements Component {
220		* Overrides the {@link java.lang.Object#toString() Object.toString()}
221		* method to provide clean logging (every class should have this).
222		*
223	<	* This uses the uk.ac.ukc.iscream.util.NameFormat class
223	>	* This uses the uk.org.iscream.cms.util.NameFormat class
224		* to format the toString()
225		*
226		* @return the name of this class and its CVS revision
#	Line 176 | Line 247 | public class RootFilter implements Component {
247		/**
248		* A reference to the reference manager in use
249		*/
250	<	private ReferenceManager _refman;
250	>	private ReferenceManager _refman = ReferenceManager.getInstance();
251
252		//---STATIC ATTRIBUTES---
253

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