| 1 |
+ |
/* |
| 2 |
+ |
* i-scream central monitoring system |
| 3 |
+ |
* http://www.i-scream.org.uk |
| 4 |
+ |
* Copyright (C) 2000-2002 i-scream |
| 5 |
+ |
* |
| 6 |
+ |
* This program is free software; you can redistribute it and/or |
| 7 |
+ |
* modify it under the terms of the GNU General Public License |
| 8 |
+ |
* as published by the Free Software Foundation; either version 2 |
| 9 |
+ |
* of the License, or (at your option) any later version. |
| 10 |
+ |
* |
| 11 |
+ |
* This program is distributed in the hope that it will be useful, |
| 12 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
+ |
* GNU General Public License for more details. |
| 15 |
+ |
* |
| 16 |
+ |
* You should have received a copy of the GNU General Public License |
| 17 |
+ |
* along with this program; if not, write to the Free Software |
| 18 |
+ |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 |
+ |
*/ |
| 20 |
+ |
|
| 21 |
|
//---PACKAGE DECLARATION--- |
| 22 |
< |
package uk.org.iscream.client; |
| 22 |
> |
package uk.org.iscream.cms.server.client; |
| 23 |
|
|
| 24 |
|
//---IMPORTS--- |
| 25 |
< |
import uk.org.iscream.componentmanager.*; |
| 26 |
< |
import uk.org.iscream.core.*; |
| 27 |
< |
import uk.org.iscream.util.*; |
| 25 |
> |
import uk.org.iscream.cms.server.componentmanager.*; |
| 26 |
> |
import uk.org.iscream.cms.server.core.*; |
| 27 |
> |
import uk.org.iscream.cms.server.util.*; |
| 28 |
|
import java.io.*; |
| 29 |
|
|
| 30 |
|
/** |
| 31 |
|
* Provides a feed to the webpage system. |
| 32 |
|
* |
| 13 |
– |
* !! There may also be need to have a Thread to grab any |
| 14 |
– |
* !! required config (groups, "nice names, etc) and dump |
| 15 |
– |
* !! that to a file. |
| 16 |
– |
* |
| 33 |
|
* @author $Author$ |
| 34 |
|
* @version $Id$ |
| 35 |
|
*/ |
| 52 |
|
*/ |
| 53 |
|
public final int DEFAULT_AGE = 3600; |
| 54 |
|
|
| 55 |
+ |
/** |
| 56 |
+ |
* The default path seperator, here for convienience |
| 57 |
+ |
*/ |
| 58 |
+ |
private final String sep = File.separator; |
| 59 |
+ |
|
| 60 |
|
//---STATIC METHODS--- |
| 61 |
|
|
| 62 |
|
/** |
| 63 |
|
* Return a reference to the single class. |
| 64 |
|
* Construct it if it does not already exist, otherwise just return the reference. |
| 65 |
|
*/ |
| 66 |
< |
public static WebFeeder getInstance() { |
| 66 |
> |
public synchronized static WebFeeder getInstance() { |
| 67 |
|
if (_instance == null){ |
| 68 |
|
_instance = new WebFeeder(); |
| 69 |
|
} |
| 92 |
|
alertSubDir = cp.getProperty("WebFeeder", "WebFeeder.alertSubDir"); |
| 93 |
|
File alertsDir = new File(rootPath, alertSubDir); |
| 94 |
|
if(deleteContents(alertsDir)) { |
| 95 |
< |
_logger.write(this.toString(), Logger.DEBUG, "Deleted all files and directories from: "+rootPath+"/"+alertSubDir); |
| 95 |
> |
_logger.write(this.toString(), Logger.DEBUG, "Deleted all files and directories from: "+rootPath+sep+alertSubDir); |
| 96 |
|
} else { |
| 97 |
< |
_logger.write(this.toString(), Logger.WARNING, "Failed to delete all files and directories from: "+rootPath+"/"+alertSubDir); |
| 97 |
> |
_logger.write(this.toString(), Logger.WARNING, "Failed to delete all files and directories from: "+rootPath+sep+alertSubDir); |
| 98 |
|
} |
| 99 |
|
// cleanup complete |
| 100 |
|
} catch (PropertyNotFoundException e) { |
| 164 |
|
|
| 165 |
|
// list the files and delete as appropriate |
| 166 |
|
File alertsDir = new File(rootPath, alertSubDir); |
| 167 |
< |
File[] contents = alertsDir.listFiles(); |
| 168 |
< |
for(int i=0; i < contents.length; i++) { |
| 169 |
< |
File hostdir = contents[i]; |
| 170 |
< |
if(hostdir.isDirectory()) { |
| 171 |
< |
File[] hostdirContents = hostdir.listFiles(); |
| 172 |
< |
for(int j=0; j < hostdirContents.length; j++) { |
| 173 |
< |
File alertFile = hostdirContents[j]; |
| 174 |
< |
String filename = alertFile.getName(); |
| 175 |
< |
if(filename.endsWith(Alert.alertLevels[0]) || |
| 176 |
< |
filename.endsWith(Alert.alertLevels[Alert.alertLevels.length-1])) { |
| 177 |
< |
// it ends with either OK or FINAL |
| 178 |
< |
// ... so we can check it for deletion |
| 179 |
< |
long lastModified = alertFile.lastModified(); |
| 180 |
< |
long age = System.currentTimeMillis() - lastModified; |
| 181 |
< |
if(age > ((long) deleteOlderThan*1000)) { |
| 182 |
< |
// it's also older than our age to delete older than |
| 183 |
< |
if(!alertFile.delete()) { |
| 184 |
< |
_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following 'old' alert file: "+alertFile.getPath()); |
| 167 |
> |
// check it's a directory |
| 168 |
> |
if(alertsDir.isDirectory()) { |
| 169 |
> |
// get all the hostnames directories |
| 170 |
> |
File[] contents = alertsDir.listFiles(); |
| 171 |
> |
for(int i=0; i < contents.length; i++) { |
| 172 |
> |
// get a single directory from the array.. |
| 173 |
> |
File hostdir = contents[i]; |
| 174 |
> |
// ..and check it's a directory |
| 175 |
> |
if(hostdir.isDirectory()) { |
| 176 |
> |
// if this is set, we clean files older than it |
| 177 |
> |
long deleteFiles = -1; |
| 178 |
> |
// get all the contents of that directory |
| 179 |
> |
File[] hostdirContents = hostdir.listFiles(); |
| 180 |
> |
for(int j=0; j < hostdirContents.length; j++) { |
| 181 |
> |
File alertFile = hostdirContents[j]; |
| 182 |
> |
// get the filename.. |
| 183 |
> |
String filename = alertFile.getName(); |
| 184 |
> |
// ..and see if it ends with OK or FINAL |
| 185 |
> |
if(filename.endsWith(Alert.alertLevels[0]) || |
| 186 |
> |
filename.endsWith(Alert.alertLevels[Alert.alertLevels.length-1])) { |
| 187 |
> |
// it does end with either OK or FINAL |
| 188 |
> |
// ... so we can check it for deletion |
| 189 |
> |
long lastModified = alertFile.lastModified(); |
| 190 |
> |
long age = System.currentTimeMillis() - lastModified; |
| 191 |
> |
if(age > ((long) deleteOlderThan*1000)) { |
| 192 |
> |
// if we're on a final heartbeat, we probably want to |
| 193 |
> |
// clean up any stale alerts left behind |
| 194 |
> |
// by setting this flag, we'll clean them up on leaving this loop |
| 195 |
> |
if(filename.endsWith(".HB."+Alert.alertLevels[Alert.alertLevels.length-1])) { |
| 196 |
> |
// we do this so that delete files is set to the |
| 197 |
> |
// latest date of a HB.FINAL. There should only be |
| 198 |
> |
// one of them though :) |
| 199 |
> |
if(lastModified > deleteFiles) { |
| 200 |
> |
deleteFiles = lastModified; |
| 201 |
> |
} |
| 202 |
> |
} |
| 203 |
> |
// it's also older than our age to delete older than |
| 204 |
> |
if(!alertFile.delete()) { |
| 205 |
> |
_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following 'old' alert file: "+alertFile.getPath()); |
| 206 |
> |
} |
| 207 |
|
} |
| 208 |
|
} |
| 209 |
|
} |
| 210 |
+ |
// cleanup stale alerts |
| 211 |
+ |
if(deleteFiles >= 0) { |
| 212 |
+ |
File[] remainingHostdirContents = hostdir.listFiles(); |
| 213 |
+ |
for(int j=0; j < remainingHostdirContents.length; j++) { |
| 214 |
+ |
File alertFile = remainingHostdirContents[j]; |
| 215 |
+ |
if(alertFile.lastModified() < deleteFiles) { |
| 216 |
+ |
// alert file is older than the most recent |
| 217 |
+ |
// FINAL Heartbeat alert. |
| 218 |
+ |
if(alertFile.delete()) { |
| 219 |
+ |
_logger.write(this.toString(), Logger.DEBUG, "Deleted stale alert file: "+alertFile.getPath()); |
| 220 |
+ |
} |
| 221 |
+ |
else { |
| 222 |
+ |
_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following 'stale' alert file: "+alertFile.getPath()); |
| 223 |
+ |
} |
| 224 |
+ |
} |
| 225 |
+ |
} |
| 226 |
+ |
} |
| 227 |
+ |
// ---- RECAP ---- |
| 228 |
+ |
// at this point, we have cleaned up any OK or FINAL alerts |
| 229 |
+ |
// that have passed our age limit. We have then cleaned up |
| 230 |
+ |
// any alerts older the most recent Heartbeat FINAL alert, |
| 231 |
+ |
// as these are probably stale. Any files left are valid and |
| 232 |
+ |
// active alerts. We are now in a position to remove the host |
| 233 |
+ |
// directory if it's empty. |
| 234 |
+ |
// --------------- |
| 235 |
+ |
// do a quick check to see if the directory is now empty |
| 236 |
+ |
File[] newHostdirContents = hostdir.listFiles(); |
| 237 |
+ |
if(newHostdirContents.length == 0) { |
| 238 |
+ |
// it does seem to be, try and delete it |
| 239 |
+ |
// this will fail anyway if files still remain |
| 240 |
+ |
if(!hostdir.delete()) { |
| 241 |
+ |
_logger.write(this.toString(), Logger.WARNING, "Failed to delete the following empty host directory: "+hostdir.getPath()); |
| 242 |
+ |
} |
| 243 |
+ |
} |
| 244 |
|
} |
| 245 |
|
} |
| 246 |
|
} |
| 247 |
+ |
else { |
| 248 |
+ |
_logger.write(toString(), Logger.WARNING, "IO error reading alerts directory, maybe it doesn't exist? : " +rootPath+sep+alertSubDir); |
| 249 |
+ |
} |
| 250 |
|
} |
| 251 |
|
} |
| 252 |
|
|
| 280 |
|
String data = packet.printAll(); |
| 281 |
|
String hostname = packet.getParam("packet.attributes.machine_name"); |
| 282 |
|
// set paths |
| 283 |
< |
File outDir = new File(rootPath, latestSubDir+"/"+hostname); |
| 284 |
< |
File outFile = new File(rootPath, latestSubDir+"/"+hostname+"/"+latestFileName); |
| 283 |
> |
File outDir = new File(rootPath, latestSubDir+sep+hostname); |
| 284 |
> |
File outFile = new File(rootPath, latestSubDir+sep+hostname+sep+latestFileName); |
| 285 |
|
// write the data out |
| 286 |
|
writeData(outDir, outFile, data); |
| 287 |
|
} |
| 310 |
|
String data = alert.printAll(); |
| 311 |
|
String hostname = alert.getSource(); |
| 312 |
|
// set paths |
| 313 |
< |
File outDir = new File(rootPath, alertSubDir+"/"+hostname); |
| 314 |
< |
String destFile = alertSubDir+"/"+hostname+"/"+alertFileName+"."+String.valueOf(alert.getInitialAlertTime()); |
| 313 |
> |
File outDir = new File(rootPath, alertSubDir+sep+hostname); |
| 314 |
> |
String destFile = alertSubDir+sep+hostname+sep+alertFileName+"."+String.valueOf(alert.getInitialAlertTime()); |
| 315 |
|
File outFile; |
| 316 |
|
// check if we're at a special "end case" (OK or FINAL) |
| 317 |
|
if(alert.getLevel()==0 || alert.getLevel()==Alert.alertLevels.length-1) { |
| 318 |
+ |
if(alert.getAttributeName().equals("Heartbeat") && alert.getLevel()==Alert.alertLevels.length-1) { |
| 319 |
+ |
// new file is something like alert.nnnnnnnn.HB.FINAL |
| 320 |
+ |
outFile = new File(rootPath, destFile+".HB."+Alert.alertLevels[alert.getLevel()]); |
| 321 |
+ |
} else { |
| 322 |
+ |
// new file is something like alert.nnnnnnnn.OK |
| 323 |
+ |
outFile = new File(rootPath, destFile+"."+Alert.alertLevels[alert.getLevel()]); |
| 324 |
+ |
} |
| 325 |
|
File oldFile = new File(rootPath, destFile); |
| 239 |
– |
outFile = new File(rootPath, destFile+"."+Alert.alertLevels[alert.getLevel()]); |
| 326 |
|
if(!oldFile.renameTo(outFile)) { |
| 327 |
|
_logger.write(this.toString(), Logger.WARNING, "Failed to rename old file, "+oldFile.getPath()+" to new file, "+outFile.getPath()); |
| 328 |
|
} |
| 337 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 338 |
|
* method to provide clean logging (every class should have this). |
| 339 |
|
* |
| 340 |
< |
* This uses the uk.org.iscream.util.FormatName class |
| 340 |
> |
* This uses the uk.org.iscream.cms.server.util.FormatName class |
| 341 |
|
* to format the toString() |
| 342 |
|
* |
| 343 |
|
* @return the name of this class and its CVS revision |
