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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.filter; |
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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 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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/** |
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* <ONE LINE DESCRIPTION> |
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* <DETAILED DESCRIPTION> |
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* |
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* @author $Author: tdb1 $ |
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* @version $Id: TCPReaderInit.java,v 1.4 2000/11/29 01:23:28 tdb1 Exp $ |
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*/ |
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class TCPReaderInit 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: 1.4 $"; |
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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 TCPReaderInit(Socket socket, ConfigurationManager configManager, Logger logRef, Filter parent) throws IOException { |
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_configManager = configManager; |
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_logRef = logRef; |
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_socket = socket; |
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_parent = parent; |
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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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} |
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|
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//---PUBLIC METHODS--- |
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|
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//NEED TO MAJORILY CHANGE THIS BIT ! |
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public void run() { |
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try { |
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//variables |
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String filelist = ""; |
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String lastModified = ""; |
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String inBound = ""; |
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|
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inBound = _socketIn.readLine(); |
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if(!inBound.equals("HEARTBEAT")) { |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expecting:HEARTBEAT got:" + inBound); |
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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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|
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inBound = _socketIn.readLine(); |
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if(!inBound.equals("CONFIG")) { |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expecting:CONFIG got:" + inBound); |
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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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|
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inBound = _socketIn.readLine(); |
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filelist = inBound; |
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_socketOut.println("OK"); |
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_socketOut.flush(); |
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|
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inBound = _socketIn.readLine(); |
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lastModified = inBound; |
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|
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boolean newConfig = _configManager.isModified(filelist, Long.parseLong(lastModified)); |
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|
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if(newConfig) { |
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_socketOut.println("ERROR"); |
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} |
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else { |
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_socketOut.println("OK"); |
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} |
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_socketOut.flush(); |
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|
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inBound = _socketIn.readLine(); |
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if(!inBound.equals("ENDHEARTBEAT")) { |
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_socketOut.println("ERROR"); |
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_socketOut.flush(); |
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throw new IOException("protocol error - expecting:ENDHEARTBEAT got:" + inBound); |
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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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|
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// NEED TO LOG THE HEARTBEAT IN XML HERE. |
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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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} |
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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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_logRef.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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} |
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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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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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Filter _parent; |
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//---STATIC ATTRIBUTES--- |
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|
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} |
