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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.filtermanager; |
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|
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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.*; |
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|
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/** |
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* Handles setting up a host. |
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* |
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* @author $Author: tdb1 $ |
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* @version $Id: HostInit.java,v 1.10 2000/11/30 02:20:05 tdb1 Exp $ |
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*/ |
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class HostInit extends Thread { |
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|
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//---FINAL ATTRIBUTES--- |
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|
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/** |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision: 1.10 $"; |
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|
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//---STATIC METHODS--- |
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|
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//---CONSTRUCTORS--- |
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|
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public HostInit(Socket socket) throws IOException { |
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_socket = socket; |
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_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream())); |
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_socketOut = new PrintWriter(_socket.getOutputStream()); |
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_logger.write(toString(), Logger.SYSINIT, "created"); |
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} |
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|
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//---PUBLIC METHODS--- |
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|
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public void run() { |
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try { |
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String inBound = _socketIn.readLine(); |
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if (!inBound.equals("STARTCONFIG")) { |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expected:STARTCONFIG got:" + inBound); |
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} |
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|
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Configuration myConfig = _configManager.getConfiguration("Host." + _socket.getInetAddress().getHostName().toLowerCase()); |
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if (myConfig == null) { |
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_socketOut.println("ERROR"); |
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throw new IOException("error in host configuration"); |
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} else { |
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_socketOut.println("OK"); |
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_socketOut.flush(); |
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|
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// get lastmodified |
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inBound = _socketIn.readLine(); |
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if(!inBound.equals("LASTMODIFIED")) { |
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// protocol error |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expected:LASTMODIFIED got:" + inBound); |
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} |
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else { |
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// send info |
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_socketOut.println(myConfig.getLastModified()); |
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_socketOut.flush(); |
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} |
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|
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// get config fileList |
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inBound = _socketIn.readLine(); |
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if(!inBound.equals("FILELIST")) { |
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// protocol error |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expected:FILELIST got:" + inBound); |
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} |
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else { |
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// send info |
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_socketOut.println(myConfig.getFileList()); |
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_socketOut.flush(); |
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} |
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|
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// get properties |
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inBound = _socketIn.readLine(); |
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while(!inBound.equals("ENDCONFIG")) { |
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|
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// get the property |
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try { |
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String returnedProperty = myConfig.getProperty("Host."+inBound); |
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|
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_socketOut.println(returnedProperty); |
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_socketOut.flush(); |
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|
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} catch (org.omg.CORBA.MARSHAL e) { |
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_socketOut.println("ERROR"); |
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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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_logger.write(toString(), Logger.SYSMSG, "configured host"); |
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_socketOut.println("OK"); |
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_socketOut.flush(); |
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|
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// get filter reference |
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inBound = _socketIn.readLine(); |
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if(!inBound.equals("FILTER")) { |
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// protocol error |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expected:FILTER got:" + inBound); |
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} |
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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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_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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_socketOut.flush(); |
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} |
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|
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// confirm that all is ok |
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inBound = _socketIn.readLine(); |
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if(!inBound.equals("END")) { |
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// protocol error |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expected:END got:" + inBound); |
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} |
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else { |
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// send ok |
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_socketOut.println("OK"); |
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_socketOut.flush(); |
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} |
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|
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} |
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|
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} catch (Exception e) { |
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_logger.write(toString(), Logger.ERROR, "ERROR: " + e.getMessage()); |
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} |
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|
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_socketOut.flush(); |
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// Disconnect streams & socket |
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try { |
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_socketIn.close(); |
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_socketOut.close(); |
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_socket.close(); |
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} catch (IOException e) { |
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_logger.write(toString(), Logger.ERROR, "exception on socket close"); |
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} |
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_logger.write(toString(), Logger.SYSMSG, "finished"); |
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} |
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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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* @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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|
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} |
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|
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//---PRIVATE METHODS--- |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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|
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//---ATTRIBUTES--- |
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|
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/** |
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* A reference to the logger the system is using |
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*/ |
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Logger _logger = ReferenceManager.getInstance().getLogger(); |
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|
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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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ConfigurationManager _configManager = ReferenceManager.getInstance().getCM(); |
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|
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Socket _socket; |
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BufferedReader _socketIn; |
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PrintWriter _socketOut; |
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|
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//---STATIC ATTRIBUTES--- |
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|
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} |
