server/filtermanager/HostInit.java

//---PACKAGE DECLARATION---

//---IMPORTS---
import uk.ac.ukc.iscream.core.*;
import java.net.Socket;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.io.*;

/**
 * <ONE LINE DESCRIPTION>
 * <DETAILED DESCRIPTION>
 *
 * @author  $Author: tdb1 $
 * @version $Id: TemplateClass.java,v 1.5 2000/11/13 18:20:09 tdb1 Exp $
 */
class HostInit extends Thread {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.5 $";
    
//---STATIC METHODS---

//---CONSTRUCTORS---

    public HostInit(Socket socket, Configurator configurator, Logger logger) throws IOException {
        _configurator = configurator;
        _logger = logger;
        _socket = socket;
        _socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream()));
        _socketOut = new PrintWriter(_socket.getOutputStream());
        _logger.write(toString(), "created");
    }
    
//---PUBLIC METHODS---

    public void run() {
        try {
            String inBound = _socketIn.readLine();
            if (!inBound.equals("STARTCONFIG")) {
                _socketOut.println("ERROR");
                _socketOut.flush();
                throw new IOException("Protocol Error");
            }

            Configuration myConfig = _configurator.getConfiguration(_socket.getInetAddress().getHostName().toLowerCase());
            if (myConfig == null) {
                _socketOut.println("ERROR");
                throw new IOException("No Configuration File For Host");
            } else {
                _socketOut.println("OK");
                _socketOut.flush();
                
                inBound = _socketIn.readLine();
                while(!inBound.equals("ENDCONFIG")) {
                          
                    // get the property
                    try {
                        String returnedProperty = myConfig.getProperty(inBound);    
                        
                        _socketOut.println(returnedProperty);
                        _socketOut.flush();
    
                    } catch (org.omg.CORBA.MARSHAL e) {
                        _socketOut.println("ERROR");
                        _socketOut.flush();
                    }
                    inBound = _socketIn.readLine();
                }
                _logger.write(toString(), "configured host");
                _socketOut.println("OK");
                _socketOut.flush();
            }
            
        } catch (Exception e) {
            _logger.write(toString(), e.toString());
        }
        
        _socketOut.flush();
        // Disconnect streams & socket
        try {
            _socketIn.close();
            _socketOut.close();
            _socket.close();
        } catch (IOException e) {
            _logger.write(toString(), "exception on socket close");
        }
        _logger.write(toString(), "finished");
    }
    
    /**
     * Overrides the {@link java.lang.Object#toString() Object.toString()}
     * method to provide clean logging (every class should have this).
     *
     * @return the name of this class and its CVS revision
     */
    public String toString() {
        return this.getClass().getName() + "{" + _socket.getInetAddress().getHostName() 
         + "}(" + REVISION.substring(11, REVISION.length() - 2) + ")";
        
    }

//---PRIVATE METHODS---

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

//---ATTRIBUTES---

    Configurator _configurator;
    Logger _logger;
    Socket _socket;
    BufferedReader _socketIn;
    PrintWriter _socketOut;

//---STATIC ATTRIBUTES---

}
Revision:	1.1
Committed:	Mon Nov 13 20:40:40 2000 UTC (23 years, 6 months ago) by tdb
Branch:	MAIN
Log Message:	Initial check in of the FilterManager Current support for Host connections and passing back configuration. Support missing for filter contacting etc. Not finished or fully commented.
#	User	Rev	Content
1	tdb	1.1	//---PACKAGE DECLARATION---
2
3			//---IMPORTS---
4			import uk.ac.ukc.iscream.core.*;
5			import java.net.Socket;
6			import java.io.InputStream;
7			import java.io.OutputStream;
8			import java.io.IOException;
9			import java.io.*;
10
11			/**
12			* <ONE LINE DESCRIPTION>
13			* <DETAILED DESCRIPTION>
14			*
15			* @author $Author: tdb1 $
16			* @version $Id: TemplateClass.java,v 1.5 2000/11/13 18:20:09 tdb1 Exp $
17			*/
18			class HostInit extends Thread {
19
20			//---FINAL ATTRIBUTES---
21
22			/**
23			* The current CVS revision of this class
24			*/
25			public final String REVISION = "$Revision: 1.5 $";
26
27			//---STATIC METHODS---
28
29			//---CONSTRUCTORS---
30
31			public HostInit(Socket socket, Configurator configurator, Logger logger) throws IOException {
32			_configurator = configurator;
33			_logger = logger;
34			_socket = socket;
35			_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream()));
36			_socketOut = new PrintWriter(_socket.getOutputStream());
37			_logger.write(toString(), "created");
38			}
39
40			//---PUBLIC METHODS---
41
42			public void run() {
43			try {
44			String inBound = _socketIn.readLine();
45			if (!inBound.equals("STARTCONFIG")) {
46			_socketOut.println("ERROR");
47			_socketOut.flush();
48			throw new IOException("Protocol Error");
49			}
50
51			Configuration myConfig = _configurator.getConfiguration(_socket.getInetAddress().getHostName().toLowerCase());
52			if (myConfig == null) {
53			_socketOut.println("ERROR");
54			throw new IOException("No Configuration File For Host");
55			} else {
56			_socketOut.println("OK");
57			_socketOut.flush();
58
59			inBound = _socketIn.readLine();
60			while(!inBound.equals("ENDCONFIG")) {
61
62			// get the property
63			try {
64			String returnedProperty = myConfig.getProperty(inBound);
65
66			_socketOut.println(returnedProperty);
67			_socketOut.flush();
68
69			} catch (org.omg.CORBA.MARSHAL e) {
70			_socketOut.println("ERROR");
71			_socketOut.flush();
72			}
73			inBound = _socketIn.readLine();
74			}
75			_logger.write(toString(), "configured host");
76			_socketOut.println("OK");
77			_socketOut.flush();
78			}
79
80			} catch (Exception e) {
81			_logger.write(toString(), e.toString());
82			}
83
84			_socketOut.flush();
85			// Disconnect streams & socket
86			try {
87			_socketIn.close();
88			_socketOut.close();
89			_socket.close();
90			} catch (IOException e) {
91			_logger.write(toString(), "exception on socket close");
92			}
93			_logger.write(toString(), "finished");
94			}
95
96			/**
97			* Overrides the {@link java.lang.Object#toString() Object.toString()}
98			* method to provide clean logging (every class should have this).
99			*
100			* @return the name of this class and its CVS revision
101			*/
102			public String toString() {
103			return this.getClass().getName() + "{" + _socket.getInetAddress().getHostName()
104			+ "}(" + REVISION.substring(11, REVISION.length() - 2) + ")";
105
106			}
107
108			//---PRIVATE METHODS---
109
110			//---ACCESSOR/MUTATOR METHODS---
111
112			//---ATTRIBUTES---
113
114			Configurator _configurator;
115			Logger _logger;
116			Socket _socket;
117			BufferedReader _socketIn;
118			PrintWriter _socketOut;
119
120			//---STATIC ATTRIBUTES---
121
122			}