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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.filtermanager; |
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package uk.org.iscream.cms.server.filtermanager; |
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.core.*; |
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import uk.ac.ukc.iscream.filter.*; |
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import uk.ac.ukc.iscream.util.*; |
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import uk.org.iscream.cms.server.core.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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import uk.org.iscream.cms.server.filter.*; |
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import uk.org.iscream.cms.server.util.*; |
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import java.net.*; |
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import java.io.*; |
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* |
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* @param listenPort The port that the server will listen on. |
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*/ |
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public HostListener(int listenPort) { |
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_listenPort = listenPort; |
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public HostListener() { |
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// set the Thread name |
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setName("filtermanager.HostListener"); |
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_logger.write(toString(), Logger.SYSINIT, "started"); |
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} |
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– |
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//---PUBLIC METHODS--- |
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/** |
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* and then passing them off to other processes to deal with. |
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*/ |
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public void run(){ |
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// setup an empty ACL defaulting to ALLOW |
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ACL acl = new ACL(ACL.ALLOW); |
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ServerSocket listenSocket=null; |
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// We use this boolean so we can break out of the while loop if we want |
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boolean run = true; |
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try{ |
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// Work out the port we want |
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int listenPort = Integer.parseInt(ConfigurationProxy.getInstance().getProperty("FilterManager." + FilterManager.NAME, "FilterManager.listenPort")); |
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// Setup the ServerSocket so that clients can connect |
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listenSocket = new ServerSocket(_listenPort); |
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} |
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catch(IOException e){ |
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} |
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// Log what machine/port we're listening on |
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try{ |
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_logger.write(toString(), Logger.SYSMSG, "Server listening on " |
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listenSocket = new ACLServerSocket(acl, listenPort); |
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_logger.write(toString(), Logger.SYSMSG, "Server listening on " |
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+InetAddress.getLocalHost().getHostName() |
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+"/"+InetAddress.getLocalHost().getHostAddress() |
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+" port "+listenSocket.getLocalPort()); |
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} |
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catch(UnknownHostException e){ |
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} |
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catch(UnknownHostException e){ |
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_logger.write(toString(), Logger.SYSMSG, "Server listening on UnknownHost " |
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+"port "+listenSocket.getLocalPort()); |
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} |
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catch(IOException e){ |
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_logger.write(toString(), Logger.FATAL, "IO Error, can't start FilterManager :"+e); |
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run = false; |
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} |
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catch(PropertyNotFoundException e){ |
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_logger.write(toString(), Logger.FATAL, "Fatal Error, can't find config :"+e); |
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run = false; |
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} |
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catch(NumberFormatException e){ |
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_logger.write(toString(), Logger.FATAL, "Invalid port configuration found :"+e); |
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run = false; |
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} |
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// Loop round constantly until we decide to stop |
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ConfigurationProxy cp = ConfigurationProxy.getInstance(); |
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String stringACL = ""; |
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String newStringACL = ""; |
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while(run){ |
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// get hold of the ACL in the configuration |
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try { |
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newStringACL = cp.getProperty("FilterManager." + FilterManager.NAME, "FilterManager.ACL"); |
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} |
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catch(PropertyNotFoundException e) { |
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// if we can't find it, we'll just use a null ACL |
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newStringACL = ""; |
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_logger.write(toString(), Logger.WARNING, "No ACL found for FilterManager, using empty ACL instead: " + e); |
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} |
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// check to see if the ACL has changed |
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if(!newStringACL.equals(stringACL)) { |
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_logger.write(toString(), Logger.SYSMSG, "Reloading Access Control List"); |
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// clear the ACL |
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acl.clear(); |
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// set the default to something sane |
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acl.setDefaultMode(ACL.ALLOW); |
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// add the new ACL (this may change the default) |
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acl.add(newStringACL); |
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stringACL = newStringACL; |
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} |
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Socket hostSocket=null; |
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try{ |
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_logger.write(toString(), Logger.SYSMSG, "Waiting for Connection"); |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.ac.ukc.iscream.util.NameFormat class |
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* This uses the uk.org.iscream.cms.server.util.NameFormat class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
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* be changed to null for utility classes. |
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*/ |
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private String _name = FilterManager.NAME; |
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/** |
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* The port on which the server should listen. |
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*/ |
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private int _listenPort; |
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//---STATIC ATTRIBUTES--- |
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