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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.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 java.net.Socket; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.io.IOException; |
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import java.io.*; |
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import org.omg.CORBA.*; |
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import org.omg.CosNaming.*; |
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/** |
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* <ONE LINE DESCRIPTION> |
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* <DETAILED DESCRIPTION> |
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* Handles setting up a host. |
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* This class provides a host with appropriate configuration |
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* and a reference to a Filter to which it should pass data. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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//---CONSTRUCTORS--- |
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public HostInit(Socket socket, ConfigurationManager configManager, Logger logRef, NamingContextExt ncRef) throws IOException { |
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_configManager = configManager; |
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_logRef = logRef; |
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public HostInit(Socket socket) throws IOException { |
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_socket = socket; |
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_ncRef = ncRef; |
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_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream())); |
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_socketOut = new PrintWriter(_socket.getOutputStream()); |
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_logRef.write(toString(), Logger.SYSINIT, "created"); |
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_logger.write(toString(), Logger.SYSINIT, "created"); |
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} |
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//---PUBLIC METHODS--- |
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// get the property |
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try { |
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String returnedProperty = myConfig.getProperty(inBound); |
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String returnedProperty = myConfig.getProperty("Host."+inBound); |
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_socketOut.println(returnedProperty); |
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_socketOut.flush(); |
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} |
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inBound = _socketIn.readLine(); |
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} |
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_logRef.write(toString(), Logger.SYSMSG, "configured host"); |
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_logger.write(toString(), Logger.SYSMSG, "configured host"); |
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_socketOut.println("OK"); |
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_socketOut.flush(); |
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else { |
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// send info |
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String parentFilter = myConfig.getProperty("Host.filter"); |
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_logRef.write(toString(), Logger.DEBUG, " looking for parent - " + parentFilter); |
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org.omg.CORBA.Object objRef = _ncRef.resolve(_ncRef.to_name("iscream.Filter." + parentFilter)); |
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Filter filter = FilterHelper.narrow(objRef); |
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_logger.write(toString(), Logger.DEBUG, " looking for parent - " + parentFilter); |
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Filter filter = FilterHelper.narrow(ReferenceManager.getInstance().getCORBARef("iscream.Filter." + parentFilter)); |
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_socketOut.println(filter.getHostName() + ";" |
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+ filter.getUDPPort() + ";" |
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+ filter.getTCPPort()); |
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} |
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} catch (Exception e) { |
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_logRef.write(toString(), Logger.ERROR, "ERROR: " + e.getMessage()); |
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_logger.write(toString(), Logger.ERROR, "ERROR - " + e.getMessage()); |
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} |
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_socketOut.flush(); |
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_socketOut.close(); |
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_socket.close(); |
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} catch (IOException e) { |
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_logRef.write(toString(), Logger.ERROR, "exception on socket close"); |
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_logger.write(toString(), Logger.ERROR, "exception on socket close"); |
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} |
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_logRef.write(toString(), Logger.SYSMSG, "finished"); |
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_logger.write(toString(), Logger.SYSMSG, "finished"); |
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} |
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/** |
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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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* 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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*/ |
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public String toString() { |
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return this.getClass().getName() + "{" + _socket.getInetAddress().getHostName() |
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+ "}(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
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return FormatName.getName( |
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_name, |
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this.getClass().getName(), |
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REVISION); |
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} |
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//---PRIVATE METHODS--- |
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//---ATTRIBUTES--- |
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ConfigurationManager _configManager; |
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Logger _logRef; |
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Socket _socket; |
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BufferedReader _socketIn; |
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PrintWriter _socketOut; |
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NamingContextExt _ncRef; |
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/** |
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* This holds a reference to the |
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* system logger that is being used. |
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*/ |
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private Logger _logger = ReferenceManager.getInstance().getLogger(); |
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/** |
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* A reference to the Configuration Manager the system is using |
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*/ |
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private ConfigurationManager _configManager = ReferenceManager.getInstance().getCM(); |
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/** |
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* This is the friendly identifier of the |
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* component this class is running in. |
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* eg, a Filter may be called "filter1", |
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* If this class does not have an owning |
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* component, a name from the configuration |
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* can be placed here. This name could also |
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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 socket this class uses |
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*/ |
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private Socket _socket; |
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/** |
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* Used for the input stream of this socket |
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*/ |
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private BufferedReader _socketIn; |
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/** |
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* Used for the output stream of this socket |
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*/ |
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private PrintWriter _socketOut; |
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//---STATIC ATTRIBUTES--- |
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} |
