server/filter/FilterServant.java

//---PACKAGE DECLARATION---
package uk.org.iscream.filter;

//---IMPORTS---
import uk.org.iscream.core.*;
import uk.org.iscream.componentmanager.*;
import uk.org.iscream.filter.*;
import uk.org.iscream.util.*;
import java.net.InetAddress;

/**
 * Passes inbound data from other Filters to a FilterThread
 *
 * @author  $Author: tdb1 $
 * @version $Id: FilterServant.java,v 1.16 2001/03/14 23:25:29 tdb1 Exp $
 */
class FilterServant extends FilterPOA {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.16 $";
    
//---STATIC METHODS---

//---CONSTRUCTORS---

    /**
     * Creates a new FilterServant.
     *
     * @param TCPListenPort the TCP port this filter is listening on
     * @param UDPListenPort the UDP port this filter is listening on
     * @param queue the Queue this filter is using
     */
    public FilterServant(int TCPListenPort, int UDPListenPort, Queue queue) {
        _TCPListenPort = TCPListenPort;
        _UDPListenPort = UDPListenPort;
        _queue = queue;
        _logger.write(toString(), Logger.SYSINIT, "started");
    }
    
//---PUBLIC METHODS---

    /**
     * Method to receive a string over corba.
     *
     * @param xml the String of XML to queue
     */
    public void receiveXML(String xml) {
        _queue.add(xml);
    }
    
    /**
     * Overrides the {@link java.lang.Object#toString() Object.toString()}
     * method to provide clean logging (every class should have this).
     *
     * This uses the uk.org.iscream.util.NameFormat class
     * to format the toString()
     *
     * @return the name of this class and its CVS revision
     */
    public String toString() {
        return FormatName.getName(
            _name,
            getClass().getName(),
            REVISION);
    }

//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---

    /**
     * Provides information to the FilterManager
     */
    public String getUDPPort() {
        return new Integer(_UDPListenPort).toString();
    }
    
    /**
     * Provides information to the FilterManager
     */
    public String getTCPPort() {
        return new Integer(_TCPListenPort).toString();
    }
    
    /**
     * Provides information to the FilterManager
     */
    public String getHostName() {
        try {
            // hacky fix for windows boxes, where getHostName() returns the NetBIOS name !
            return InetAddress.getByName(InetAddress.getLocalHost().getHostAddress()).getHostName();
        } catch (java.net.UnknownHostException e) {
            _logger.write(toString(), Logger.ERROR, e.getMessage());
        }
        return null;
    }


//---ATTRIBUTES---

    /**
     * This is the friendly identifier of the
     * component this class is running in.
     * eg, a Filter may be called "filter1",
     * If this class does not have an owning
     * component,  a name from the configuration
     * can be placed here.  This name could also
     * be changed to null for utility classes.
     */
    private String _name = FilterMain.NAME;

    /**
     * This holds a reference to the
     * system logger that is being used.
     */
    private Logger _logger = ReferenceManager.getInstance().getLogger();

    /**
     * Our Queue object
     */
    private Queue _queue;
    
    /**
     * The UDP port we're listening on
     */
    private int _UDPListenPort;
    
    /**
     * The TCP port we're listening on
     */
    private int _TCPListenPort;
    
//---STATIC ATTRIBUTES---

}
Revision:	1.17
Committed:	Thu Mar 15 17:02:29 2001 UTC (23 years, 2 months ago) by tdb
Branch:	MAIN
CVS Tags:	PROJECT_COMPLETION
Changes since 1.16:	+4 -3 lines
Log Message:	Fixed a long standing problem with the Filter not returning it's own host address (fqdn) on windows machines. It's a bit of a workaround, but at least it works :)
#	User	Rev	Content
1	tdb	1.1	//---PACKAGE DECLARATION---
2	tdb	1.16	package uk.org.iscream.filter;
3	tdb	1.1
4			//---IMPORTS---
5	tdb	1.16	import uk.org.iscream.core.*;
6			import uk.org.iscream.componentmanager.*;
7			import uk.org.iscream.filter.*;
8			import uk.org.iscream.util.*;
9	tdb	1.4	import java.net.InetAddress;
10	tdb	1.1
11			/**
12	ajm	1.11	* Passes inbound data from other Filters to a FilterThread
13	tdb	1.1	*
14	tdb	1.13	* @author $Author: tdb1 $
15	tdb	1.17	* @version $Id: FilterServant.java,v 1.16 2001/03/14 23:25:29 tdb1 Exp $
16	tdb	1.1	*/
17			class FilterServant extends FilterPOA {
18
19			//---FINAL ATTRIBUTES---
20
21			/**
22			* The current CVS revision of this class
23			*/
24	tdb	1.17	public final String REVISION = "$Revision: 1.16 $";
25	tdb	1.1
26			//---STATIC METHODS---
27
28			//---CONSTRUCTORS---
29
30			/**
31	tdb	1.14	* Creates a new FilterServant.
32	tdb	1.1	*
33	tdb	1.14	* @param TCPListenPort the TCP port this filter is listening on
34			* @param UDPListenPort the UDP port this filter is listening on
35			* @param queue the Queue this filter is using
36	tdb	1.1	*/
37	tdb	1.15	public FilterServant(int TCPListenPort, int UDPListenPort, Queue queue) {
38	tdb	1.9	_TCPListenPort = TCPListenPort;
39			_UDPListenPort = UDPListenPort;
40	tdb	1.12	_queue = queue;
41	tdb	1.15	_logger.write(toString(), Logger.SYSINIT, "started");
42	tdb	1.1	}
43	tdb	1.9
44	tdb	1.1	//---PUBLIC METHODS---
45
46			/**
47			* Method to receive a string over corba.
48			*
49	tdb	1.14	* @param xml the String of XML to queue
50	tdb	1.1	*/
51			public void receiveXML(String xml) {
52	tdb	1.12	_queue.add(xml);
53	tdb	1.1	}
54
55			/**
56			* Overrides the {@link java.lang.Object#toString() Object.toString()}
57			* method to provide clean logging (every class should have this).
58			*
59	tdb	1.16	* This uses the uk.org.iscream.util.NameFormat class
60	ajm	1.11	* to format the toString()
61			*
62	tdb	1.1	* @return the name of this class and its CVS revision
63			*/
64			public String toString() {
65	ajm	1.11	return FormatName.getName(
66			_name,
67			getClass().getName(),
68			REVISION);
69	tdb	1.1	}
70
71			//---PRIVATE METHODS---
72
73			//---ACCESSOR/MUTATOR METHODS---
74
75	ajm	1.11	/**
76			* Provides information to the FilterManager
77			*/
78	tdb	1.4	public String getUDPPort() {
79	tdb	1.9	return new Integer(_UDPListenPort).toString();
80	tdb	1.4	}
81
82	ajm	1.11	/**
83			* Provides information to the FilterManager
84			*/
85	tdb	1.4	public String getTCPPort() {
86	tdb	1.9	return new Integer(_TCPListenPort).toString();
87	tdb	1.4	}
88
89	ajm	1.11	/**
90			* Provides information to the FilterManager
91			*/
92	tdb	1.4	public String getHostName() {
93			try {
94	tdb	1.17	// hacky fix for windows boxes, where getHostName() returns the NetBIOS name !
95			return InetAddress.getByName(InetAddress.getLocalHost().getHostAddress()).getHostName();
96	tdb	1.4	} catch (java.net.UnknownHostException e) {
97	tdb	1.9	_logger.write(toString(), Logger.ERROR, e.getMessage());
98	tdb	1.4	}
99			return null;
100			}
101
102
103	tdb	1.1	//---ATTRIBUTES---
104
105			/**
106	ajm	1.11	* This is the friendly identifier of the
107			* component this class is running in.
108			* eg, a Filter may be called "filter1",
109			* If this class does not have an owning
110			* component, a name from the configuration
111			* can be placed here. This name could also
112			* be changed to null for utility classes.
113	tdb	1.1	*/
114	ajm	1.11	private String _name = FilterMain.NAME;
115
116	tdb	1.1	/**
117	ajm	1.11	* This holds a reference to the
118			* system logger that is being used.
119	tdb	1.1	*/
120	ajm	1.11	private Logger _logger = ReferenceManager.getInstance().getLogger();
121	tdb	1.3
122			/**
123	tdb	1.12	* Our Queue object
124	tdb	1.3	*/
125	tdb	1.12	private Queue _queue;
126	tdb	1.4
127	ajm	1.11	/**
128			* The UDP port we're listening on
129			*/
130	tdb	1.9	private int _UDPListenPort;
131	ajm	1.11
132			/**
133			* The TCP port we're listening on
134			*/
135	tdb	1.9	private int _TCPListenPort;
136	tdb	1.1
137			//---STATIC ATTRIBUTES---
138
139			}