ar.com.ktulu.dict
Class Server

java.lang.Object
  |
  +--ar.com.ktulu.dict.Server

public class Server

extends java.lang.Object

DICT Server as defined in RFC 2229. It parses initialization arguments supplied by the user and creates an instance of ServerThread for each connection. It also manages the list of Databases and Strategies known.

Author:

Luis Parravicini

See Also:

ServerThread, Strategy, Database

Field Summary

(package private) java.util.Vector	connections
(package private) java.util.LinkedList	dbs Dictionaries.
(package private) int	delay Maximum number of seconds a connection can be idle.
(package private) java.util.Hashtable	hash_dbs
(package private) int	maxConns Maximun number of simultaneously open connections.
(package private) int	queue Queue length for incoming connections.
(package private) long	startup
(package private) java.util.Hashtable	strategies

Constructor Summary

Server()
Uses default values for arguments.

Server(java.lang.String[] args)

Method Summary

protected boolean	addConnection(java.net.Socket s) Creates a new ServerThread and adds it to the list of open connections
java.util.Iterator	databases()
int	databaseSize()
protected java.lang.String	ensureLength(java.lang.String s, int l) Returns a new string with minimum length l.
protected java.lang.String	getConfBaseDir() Returns the default base dir for the configuration files.
Database	getDatabase(java.lang.String name)
protected java.util.Properties	getDefaultConfig() Returns default values for configuration parameters.
Strategy	getStrategy(java.lang.String name)
protected void	initStrategies(java.lang.String conf)
boolean	isLogging()
void	loginfo(java.lang.String s)
static void	main(java.lang.String[] args)
protected java.util.Properties	processCL(java.lang.String[] args) Parses command line arguments
protected boolean	propIsNumber(java.util.Properties props, java.lang.String name)
protected void	readConfig(java.lang.String conf) Parses dictd.conf and initializes the databases defined in it.
protected org.w3c.dom.Document	readDOMDocument(java.lang.String fname)
void	removeConnection(ServerThread st) Used by ServerThread when the connection is closed to notify the server that this connection is no longer open.
void	run()
java.util.Iterator	strategies()
int	strategiesSize()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

dbs

java.util.LinkedList dbs

Dictionaries.

hash_dbs

java.util.Hashtable hash_dbs

strategies

java.util.Hashtable strategies

maxConns

int maxConns

Maximun number of simultaneously open connections.

connections

java.util.Vector connections

queue

int queue

Queue length for incoming connections.

delay

int delay

Maximum number of seconds a connection can be idle.

startup

long startup

Constructor Detail

Server

public Server()
       throws java.io.IOException,
              java.lang.ClassNotFoundException,
              java.lang.IllegalAccessException,
              java.lang.InstantiationException

Uses default values for arguments.

Server

public Server(java.lang.String[] args)
       throws java.io.IOException,
              java.lang.ClassNotFoundException,
              java.lang.IllegalAccessException,
              java.lang.InstantiationException

Method Detail

isLogging

public boolean isLogging()

loginfo

public void loginfo(java.lang.String s)

getConfBaseDir

protected java.lang.String getConfBaseDir()

Returns the default base dir for the configuration files.

ensureLength

protected java.lang.String ensureLength(java.lang.String s,
                                        int l)

Returns a new string with minimum length l. If the length of s is shorter than l, spaces are added at the end of s.

processCL

protected java.util.Properties processCL(java.lang.String[] args)

Parses command line arguments

propIsNumber

protected boolean propIsNumber(java.util.Properties props,
                               java.lang.String name)

getDefaultConfig

protected java.util.Properties getDefaultConfig()

Returns default values for configuration parameters. See dictd(8) for the explanation of each.

initStrategies

protected void initStrategies(java.lang.String conf)
                       throws java.io.IOException,
                              java.lang.ClassNotFoundException,
                              java.lang.IllegalAccessException,
                              java.lang.InstantiationException

java.io.IOException

java.lang.ClassNotFoundException

java.lang.IllegalAccessException

java.lang.InstantiationException

readDOMDocument

protected org.w3c.dom.Document readDOMDocument(java.lang.String fname)
                                        throws java.io.IOException,
                                               org.xml.sax.SAXException,
                                               javax.xml.parsers.ParserConfigurationException

java.io.IOException

org.xml.sax.SAXException

javax.xml.parsers.ParserConfigurationException

readConfig

protected void readConfig(java.lang.String conf)
                   throws java.io.IOException

Parses dictd.conf and initializes the databases defined in it.

java.io.IOException

getDatabase

public Database getDatabase(java.lang.String name)

databaseSize

public int databaseSize()

databases

public java.util.Iterator databases()

getStrategy

public Strategy getStrategy(java.lang.String name)

strategiesSize

public int strategiesSize()

strategies

public java.util.Iterator strategies()

addConnection

protected boolean addConnection(java.net.Socket s)

Creates a new ServerThread and adds it to the list of open connections

See Also:

ServerThread

removeConnection

public void removeConnection(ServerThread st)

Used by ServerThread when the connection is closed to notify the server that this connection is no longer open.

See Also:

ServerThread

run

public void run()

main

public static void main(java.lang.String[] args)
                 throws java.util.NoSuchElementException,
                        java.lang.IllegalAccessException,
                        java.lang.InstantiationException

java.util.NoSuchElementException

java.lang.IllegalAccessException

java.lang.InstantiationException