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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/clientinterface/CorbaControlHandlerServant.java
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Comparing projects/cms/source/server/uk/org/iscream/cms/server/clientinterface/CorbaControlHandlerServant.java (file contents):
Revision 1.3 by tdb, Mon Feb 5 00:58:46 2001 UTC vs.
Revision 1.16 by tdb, Tue May 21 16:47:16 2002 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   //---PACKAGE DECLARATION---
22 < package uk.ac.ukc.iscream.clientinterface;
22 > package uk.org.iscream.cms.server.clientinterface;
23  
24   //---IMPORTS---
25 < import uk.ac.ukc.iscream.util.*;
26 < import uk.ac.ukc.iscream.componentmanager.*;
27 < import uk.ac.ukc.iscream.core.*;
28 < import uk.ac.ukc.iscream.client.*;
25 > import uk.org.iscream.cms.server.util.*;
26 > import uk.org.iscream.cms.server.componentmanager.*;
27 > import uk.org.iscream.cms.server.core.*;
28 > import uk.org.iscream.cms.server.client.*;
29  
30  
31   /**
32   * Acts as a Control Handler to a CORBA based client.
33   *
14 * !!! FUNDAMENTAL DESIGN PROBLEM !!!
15 * !!! Need a way to "shutdown" this class !!!
16 *
34   * @author  $Author$
35   * @version $Id$
36   */
# Line 35 | Line 52 | class CorbaControlHandlerServant extends CorbaControlH
52       *
53       * @param packetSorter A reference to the PacketSorter in the component
54       * @param client A reference to the "servant" part of the connecting client.
55 +     * @param queueMonitorInterval The interval at which to monitor our Queue.
56 +     * @param clientname A name to identify the client.
57       */
58 <    public CorbaControlHandlerServant(PacketSorter packetSorter, Client client) {
58 >    public CorbaControlHandlerServant(PacketSorter packetSorter, Client client, String clientname) {
59          _packetSorter = packetSorter;
60          _hostList = "";
61          _client = client;
62 +        _clientname = clientname;
63          _dataHandler = null;
64          _logger.write(toString(), Logger.SYSINIT, "created");
65      }
# Line 54 | Line 74 | class CorbaControlHandlerServant extends CorbaControlH
74      public boolean startData() {
75          if(_dataHandler == null) {
76              // create a new DataHandler
77 <            CorbaDataHandler dh = new CorbaDataHandler(_client);
77 >            CorbaDataHandler dh = new CorbaDataHandler(_client, this);
78              // register the Queue
79              _packetSorter.register(dh.getQueue(), _hostList);
80 +            try {
81 +                // startup a monitor on the DataHandler's queue
82 +                ConfigurationProxy cp = ConfigurationProxy.getInstance();
83 +                int queueMonitorInterval = Integer.parseInt(cp.getProperty("ClientInterface", "Queue.MonitorInterval"));
84 +                String queueName = _name + " CorbaHandler:"+_clientname;
85 +                dh.getQueue().startMonitor(queueMonitorInterval*1000, _packetSorter.getQueue(), queueName);
86 +            } catch (PropertyNotFoundException e) {
87 +                _logger.write(toString(), Logger.WARNING, "failed to find queue monitor config, disabling. " + e);
88 +            }
89              // start the DataHandler running
90              dh.start();
91              // keep a reference
# Line 106 | Line 135 | class CorbaControlHandlerServant extends CorbaControlH
135      }
136      
137      /**
138 +     * Disconnect, this will shutdown the data and unhook from
139 +     * the CORBA ORB.
140 +     */
141 +    public void disconnect() {
142 +        // close the data handler
143 +        stopData();
144 +        // disconnect from the ORB
145 +        try {
146 +            byte[] oid = _refman.getRootPOA().servant_to_id(this);
147 +            _refman.getRootPOA().deactivate_object(oid);
148 +        } catch(Exception e) {
149 +            _logger.write(this.toString(), Logger.ERROR, "disconnect failed: "+e);
150 +        }
151 +    }
152 +    
153 +    /**
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.server.util.NameFormat class
158       * to format the toString()
159       *
160       * @return the name of this class and its CVS revision
# Line 123 | Line 168 | class CorbaControlHandlerServant extends CorbaControlH
168  
169   //---PRIVATE METHODS---
170  
171 +    /**
172 +     * Overridden for debugging purposes
173 +     * to see when an instance of this class
174 +     * is destroyed
175 +     */
176 +    protected void finalize() throws Throwable {
177 +        _logger.write(this.toString(), Logger.DEBUG, "finalized by GC");
178 +    }
179 +
180   //---ACCESSOR/MUTATOR METHODS---
181  
182   //---ATTRIBUTES---
# Line 143 | Line 197 | class CorbaControlHandlerServant extends CorbaControlH
197       * system logger that is being used.
198       */
199      private Logger _logger = ReferenceManager.getInstance().getLogger();
200 +
201 +    /**
202 +     * A reference to the reference manager in use
203 +     */
204 +    private ReferenceManager _refman = ReferenceManager.getInstance();
205      
206      /**
207           * A reference to the PacketSorter.
# Line 163 | Line 222 | class CorbaControlHandlerServant extends CorbaControlH
222       * A reference to our DataHandler, if we have one
223       */
224      private CorbaDataHandler _dataHandler;
225 +    
226 +    /**
227 +     * A name to identify the client
228 +     */
229 +    private String _clientname;
230      
231   //---STATIC ATTRIBUTES---
232  

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