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//---PACKAGE DECLARATION--- |
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package uk.org.iscream.client; |
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package uk.org.iscream.cms.server.client; |
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//---IMPORTS--- |
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import uk.org.iscream.componentmanager.*; |
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import uk.org.iscream.core.*; |
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import uk.org.iscream.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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import uk.org.iscream.cms.server.core.*; |
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import uk.org.iscream.cms.server.util.*; |
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import java.io.*; |
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/** |
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*/ |
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public final int DEFAULT_AGE = 3600; |
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/** |
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* The default path seperator, here for convienience |
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*/ |
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private final String sep = File.separator; |
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//---STATIC METHODS--- |
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/** |
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* Return a reference to the single class. |
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* Construct it if it does not already exist, otherwise just return the reference. |
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*/ |
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public static WebFeeder getInstance() { |
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public synchronized static WebFeeder getInstance() { |
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if (_instance == null){ |
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_instance = new WebFeeder(); |
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} |
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// work out where things are |
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rootPath = cp.getProperty("WebFeeder", "WebFeeder.rootPath"); |
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alertSubDir = cp.getProperty("WebFeeder", "WebFeeder.alertSubDir"); |
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File alertsDir = new File(rootPath+"/"+alertSubDir); |
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File alertsDir = new File(rootPath, alertSubDir); |
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if(deleteContents(alertsDir)) { |
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_logger.write(this.toString(), Logger.DEBUG, "Deleted all files and directories from: "+rootPath+"/"+alertSubDir); |
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_logger.write(this.toString(), Logger.DEBUG, "Deleted all files and directories from: "+rootPath+sep+alertSubDir); |
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} else { |
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_logger.write(this.toString(), Logger.WARNING, "Failed to delete all files and directories from: "+rootPath+"/"+alertSubDir); |
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_logger.write(this.toString(), Logger.WARNING, "Failed to delete all files and directories from: "+rootPath+sep+alertSubDir); |
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} |
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// cleanup complete |
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} catch (PropertyNotFoundException e) { |
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_logger.write(toString(), Logger.WARNING, "WebFeeder.alertDeleteOlderThan value unavailable using default of " + deleteOlderThan + " seconds"); |
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} |
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// list the files |
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String alertsPath = rootPath+"/"+alertSubDir; |
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File alertsDir = new File(alertsPath); |
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// list the files and delete as appropriate |
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File alertsDir = new File(rootPath, alertSubDir); |
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// get all the hostnames directories |
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File[] contents = alertsDir.listFiles(); |
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for(int i=0; i < contents.length; i++) { |
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// get a single directory from the array.. |
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File hostdir = contents[i]; |
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File[] hostdirContents = hostdir.listFiles(); |
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for(int j=0; j < hostdirContents.length; j++) { |
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File alertFile = hostdirContents[j]; |
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String filename = alertFile.getName(); |
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if(filename.endsWith(Alert.alertLevels[0]) || |
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filename.endsWith(Alert.alertLevels[Alert.alertLevels.length-1])) { |
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// it ends with either OK or FINAL |
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// ... so we can check it for deletion |
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long lastModified = alertFile.lastModified(); |
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long age = System.currentTimeMillis() - lastModified; |
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if(age > ((long) deleteOlderThan*1000)) { |
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// it's also older than our age to delete older than |
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if(!alertFile.delete()) { |
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_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following 'old' alert file: "+alertFile.getPath()); |
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// ..and check it's a directory |
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if(hostdir.isDirectory()) { |
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// if this is set, we clean files older than it |
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long deleteFiles = -1; |
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// get all the contents of that directory |
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File[] hostdirContents = hostdir.listFiles(); |
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for(int j=0; j < hostdirContents.length; j++) { |
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File alertFile = hostdirContents[j]; |
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// get the filename.. |
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String filename = alertFile.getName(); |
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// ..and see if it ends with OK or FINAL |
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if(filename.endsWith(Alert.alertLevels[0]) || |
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filename.endsWith(Alert.alertLevels[Alert.alertLevels.length-1])) { |
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// it does end with either OK or FINAL |
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// ... so we can check it for deletion |
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long lastModified = alertFile.lastModified(); |
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long age = System.currentTimeMillis() - lastModified; |
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if(age > ((long) deleteOlderThan*1000)) { |
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// if we're on a final heartbeat, we probably want to |
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// clean up any stale alerts left behind |
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// by setting this flag, we'll clean them up on leaving this loop |
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if(filename.endsWith(".HB."+Alert.alertLevels[Alert.alertLevels.length-1])) { |
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// we do this so that delete files is set to the |
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// latest date of a HB.FINAL. There should only be |
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// one of them though :) |
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if(lastModified > deleteFiles) { |
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deleteFiles = lastModified; |
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} |
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} |
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// it's also older than our age to delete older than |
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if(!alertFile.delete()) { |
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_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following 'old' alert file: "+alertFile.getPath()); |
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} |
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} |
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} |
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} |
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// cleanup stale alerts |
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if(deleteFiles >= 0) { |
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File[] remainingHostdirContents = hostdir.listFiles(); |
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for(int j=0; j < remainingHostdirContents.length; j++) { |
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File alertFile = remainingHostdirContents[j]; |
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if(alertFile.lastModified() < deleteFiles) { |
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// alert file is older than the most recent |
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// FINAL Heartbeat alert. |
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if(alertFile.delete()) { |
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_logger.write(this.toString(), Logger.DEBUG, "Deleted stale alert file: "+alertFile.getPath()); |
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} |
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else { |
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_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following 'stale' alert file: "+alertFile.getPath()); |
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} |
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} |
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} |
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} |
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// ---- RECAP ---- |
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// at this point, we have cleaned up any OK or FINAL alerts |
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// that have passed our age limit. We have then cleaned up |
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// any alerts older the most recent Heartbeat FINAL alert, |
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// as these are probably stale. Any files left are valid and |
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// active alerts. We are now in a position to remove the host |
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// directory if it's empty. |
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// --------------- |
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// do a quick check to see if the directory is now empty |
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File[] newHostdirContents = hostdir.listFiles(); |
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if(newHostdirContents.length == 0) { |
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// it does seem to be, try and delete it |
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// this will fail anyway if files still remain |
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if(!hostdir.delete()) { |
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_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following empty host directory: "+hostdir.getPath()); |
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} |
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} |
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} |
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} |
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// check through, deleting those passed the age barrier |
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} |
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} |
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String data = packet.printAll(); |
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String hostname = packet.getParam("packet.attributes.machine_name"); |
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// set paths |
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String destDir = rootPath+"/"+latestSubDir+"/"+hostname; |
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File outDir = new File(destDir); |
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String destFile = destDir+"/"+latestFileName; |
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File outFile = new File(destFile); |
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File outDir = new File(rootPath, latestSubDir+sep+hostname); |
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File outFile = new File(rootPath, latestSubDir+sep+hostname+sep+latestFileName); |
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// write the data out |
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writeData(outDir, outFile, data); |
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} |
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String data = alert.printAll(); |
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String hostname = alert.getSource(); |
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// set paths |
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String destDir = rootPath+"/"+alertSubDir+"/"+hostname; |
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File outDir = new File(destDir); |
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String destFile = destDir+"/"+alertFileName+"."+String.valueOf(alert.getInitialAlertTime()); |
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File outDir = new File(rootPath, alertSubDir+sep+hostname); |
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String destFile = alertSubDir+sep+hostname+sep+alertFileName+"."+String.valueOf(alert.getInitialAlertTime()); |
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File outFile; |
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// check if we're at a special "end case" (OK or FINAL) |
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if(alert.getLevel()==0 || alert.getLevel()==Alert.alertLevels.length-1) { |
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File oldFile = new File(destFile); |
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outFile = new File(destFile+"."+Alert.alertLevels[alert.getLevel()]); |
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if(alert.getAttributeName().equals("Heartbeat") && alert.getLevel()==Alert.alertLevels.length-1) { |
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// new file is something like alert.nnnnnnnn.HB.FINAL |
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outFile = new File(rootPath, destFile+".HB."+Alert.alertLevels[alert.getLevel()]); |
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} else { |
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// new file is something like alert.nnnnnnnn.OK |
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outFile = new File(rootPath, destFile+"."+Alert.alertLevels[alert.getLevel()]); |
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} |
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File oldFile = new File(rootPath, destFile); |
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if(!oldFile.renameTo(outFile)) { |
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_logger.write(this.toString(), Logger.WARNING, "Failed to rename old file, "+oldFile.getPath()+" to new file, "+outFile.getPath()); |
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} |
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} else { |
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outFile = new File(destFile); |
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outFile = new File(rootPath, destFile); |
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} |
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// write the data out |
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writeData(outDir, outFile, data); |
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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.org.iscream.util.FormatName class |
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* This uses the uk.org.iscream.cms.server.util.FormatName 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 |
