git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4892 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
det
17 years ago
parent
40e1b989ea
commit
f597185026
@ -0,0 +1,446 @@
|
|||||||
|
// diskUsage.java
|
||||||
|
// -----------------------
|
||||||
|
// part of YaCy
|
||||||
|
// (C) by Detlef Reichl; detlef!reichl()gmx!org
|
||||||
|
// Pforzheim, Germany, 2008
|
||||||
|
//
|
||||||
|
// This program is free software; you can redistribute it and/or modify
|
||||||
|
// it under the terms of the GNU General Public License as published by
|
||||||
|
// the Free Software Foundation; either version 2 of the License, or
|
||||||
|
// (at your option) any later version.
|
||||||
|
//
|
||||||
|
// This program is distributed in the hope that it will be useful,
|
||||||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
// GNU General Public License for more details.
|
||||||
|
//
|
||||||
|
// You should have received a copy of the GNU General Public License
|
||||||
|
// along with this program; if not, write to the Free Software
|
||||||
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
//
|
||||||
|
// Using this software in any meaning (reading, learning, copying, compiling,
|
||||||
|
// running) means that you agree that the Author(s) is (are) not responsible
|
||||||
|
// for cost, loss of data or any harm that may be caused directly or indirectly
|
||||||
|
// by usage of this softare or this documentation. The usage of this software
|
||||||
|
// is on your own risk. The installation and usage (starting/running) of this
|
||||||
|
// software may allow other people or application to access your computer and
|
||||||
|
// any attached devices and is highly dependent on the configuration of the
|
||||||
|
// software which must be done by the user of the software; the author(s) is
|
||||||
|
// (are) also not responsible for proper configuration and usage of the
|
||||||
|
// software, even if provoked by documentation provided together with
|
||||||
|
// the software.
|
||||||
|
//
|
||||||
|
// Any changes to this file according to the GPL as documented in the file
|
||||||
|
// gpl.txt aside this file in the shipment you received can be done to the
|
||||||
|
// lines that follows this copyright notice here, but changes must not be
|
||||||
|
// done inside the copyright notive above. A re-distribution must contain
|
||||||
|
// the intact and unchanged copyright notice.
|
||||||
|
// Contributions and changes to the program code must be marked as such.
|
||||||
|
|
||||||
|
|
||||||
|
// The HashMap contains the following values:
|
||||||
|
//
|
||||||
|
// key = the device name e.g. /dev/hda1, on windows the drive e.g. c:
|
||||||
|
// value[0] = the total space of the volume, on windows not used
|
||||||
|
// value[1] = the free space of the volume
|
||||||
|
|
||||||
|
package de.anomic.tools;
|
||||||
|
|
||||||
|
import java.lang.String;
|
||||||
|
import java.lang.Long;
|
||||||
|
import java.lang.ProcessBuilder;
|
||||||
|
import java.lang.Process;
|
||||||
|
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Map;
|
||||||
|
import java.util.Set;
|
||||||
|
import java.util.Iterator;
|
||||||
|
import java.util.ArrayList;
|
||||||
|
|
||||||
|
import java.io.BufferedReader;
|
||||||
|
import java.io.InputStreamReader;
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.io.File;
|
||||||
|
import java.io.FileReader;
|
||||||
|
import java.io.FileNotFoundException;
|
||||||
|
|
||||||
|
import de.anomic.plasma.plasmaSwitchboard;
|
||||||
|
|
||||||
|
public class diskUsage {
|
||||||
|
|
||||||
|
private static final HashMap<String, long[]> diskUsage = new HashMap<String, long[]>();
|
||||||
|
|
||||||
|
private static final ArrayList<String> allVolumes = new ArrayList<String>();
|
||||||
|
private static final ArrayList<String> allMountPoints = new ArrayList<String>();
|
||||||
|
private static final ArrayList<Boolean> usedVolumes = new ArrayList<Boolean>();
|
||||||
|
|
||||||
|
private static final ArrayList<String> yacyUsedVolumes = new ArrayList<String>();
|
||||||
|
private static final ArrayList<String> yacyUsedMountPoints = new ArrayList<String>();
|
||||||
|
|
||||||
|
private static plasmaSwitchboard sb;
|
||||||
|
private static int usedOS;
|
||||||
|
private static boolean usable;
|
||||||
|
private static String windowsCommand;
|
||||||
|
private static String errorMessage;
|
||||||
|
|
||||||
|
|
||||||
|
// Unix-like
|
||||||
|
private final int AIX = 0; // IBM
|
||||||
|
private final int BS2000 = 1; // Fujitsu Siemens (oficial BS2000/OSD)
|
||||||
|
private final int BSD = 2; // all kind of BSD
|
||||||
|
private final int HAIKU = 3; // like BeOS; does not have a JRE til now, but they are working on it
|
||||||
|
private final int HP_UX = 4; // Hewlett-Packard
|
||||||
|
private final int TRU64 = 5; // Hewlett-Packard
|
||||||
|
private final int IRIX = 6; // sgi
|
||||||
|
private final int LINUX = 7; // all kind of linux
|
||||||
|
private final int MAC_OS_X = 8; // Apple
|
||||||
|
private final int MINIX = 9; // don't know if there even is a JRE for minix...
|
||||||
|
private final int SOLARIS = 10; // SUN The latest SunOS version is from 1990 and that is much
|
||||||
|
// older as Java 1.5. So we can ignore it.
|
||||||
|
private final int UNICOS = 11; // cray
|
||||||
|
|
||||||
|
private final int UNIX_END = UNICOS;
|
||||||
|
|
||||||
|
// Windows dos based
|
||||||
|
private final int WINDOWS_95 = 12;
|
||||||
|
private final int WINDOWS_98 = 13;
|
||||||
|
private final int WINDOWS_ME = 14;
|
||||||
|
|
||||||
|
// Windows WinNT based
|
||||||
|
private final int WINDOWS_NT = 15;
|
||||||
|
private final int WINDOWS_2000 = 16;
|
||||||
|
private final int WINDOWS_XP = 17;
|
||||||
|
private final int WINDOWS_SERVER = 18;
|
||||||
|
private final int WINDOWS_VISTA = 19;
|
||||||
|
|
||||||
|
String[] OSname = {"aix", "bs2000", "bsd", "haiku", "hp-ux", "tru64", "irix", "linux", "mac os x", "minix",
|
||||||
|
"solaris", "unicos",
|
||||||
|
"windows 95", "windows 98", "windows me",
|
||||||
|
"windows nt", "windows 2000", "windows xp", "windows server", "windows vista"};
|
||||||
|
|
||||||
|
//////////////////
|
||||||
|
// public API //
|
||||||
|
//////////////////
|
||||||
|
|
||||||
|
public diskUsage (plasmaSwitchboard sb) {
|
||||||
|
errorMessage = null;
|
||||||
|
this.sb = sb;
|
||||||
|
usedOS = getOS();
|
||||||
|
if (usedOS == -1) {
|
||||||
|
usable = false;
|
||||||
|
} else {
|
||||||
|
usable = true;
|
||||||
|
|
||||||
|
// some kind of *nix
|
||||||
|
if (usedOS <= UNIX_END) {
|
||||||
|
dfUnix (true);
|
||||||
|
for (int i = 0; i < allMountPoints.size(); i++){
|
||||||
|
usedVolumes.add(false);
|
||||||
|
}
|
||||||
|
|
||||||
|
checkVolumesInUseUnix ("DATA");
|
||||||
|
checkMapedSubDirs ();
|
||||||
|
|
||||||
|
for (int i = 0; i < allVolumes.size(); i++){
|
||||||
|
if (usedVolumes.get(i) == true) {
|
||||||
|
yacyUsedVolumes.add(allVolumes.get (i));
|
||||||
|
yacyUsedMountPoints.add(allMountPoints.get (i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// all Windows version
|
||||||
|
} else {
|
||||||
|
checkWindowsCommandVersion();
|
||||||
|
getAllVolumesWindows ();
|
||||||
|
checkStartVolume();
|
||||||
|
checkMapedSubDirs ();
|
||||||
|
for (int i = 0; i < allVolumes.size(); i++){
|
||||||
|
if (usedVolumes.get(i) == true)
|
||||||
|
yacyUsedVolumes.add(allVolumes.get (i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (yacyUsedVolumes.size() < 1)
|
||||||
|
usable = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public HashMap<String, long[]> getDiskUsage () {
|
||||||
|
if (!usable)
|
||||||
|
return null;
|
||||||
|
|
||||||
|
if (usedOS <= UNIX_END)
|
||||||
|
dfUnix(false);
|
||||||
|
else
|
||||||
|
dfWindows ();
|
||||||
|
return diskUsage;
|
||||||
|
}
|
||||||
|
|
||||||
|
public boolean getUsable () {
|
||||||
|
return usable;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String getErrorMessage () {
|
||||||
|
return errorMessage;
|
||||||
|
}
|
||||||
|
|
||||||
|
public int getNumUsedVolumes () {
|
||||||
|
return yacyUsedVolumes.size();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
////////////
|
||||||
|
// Unix //
|
||||||
|
////////////
|
||||||
|
|
||||||
|
private void dfUnix(boolean getVolumesOnly) {
|
||||||
|
if (!getVolumesOnly)
|
||||||
|
diskUsage.clear ();
|
||||||
|
|
||||||
|
// -k set blocksize to 1024
|
||||||
|
// confirmed with tests:
|
||||||
|
// Linux
|
||||||
|
// verified with man pages or other docs:
|
||||||
|
// AIX, BS2000, *BSD, HP-UX, IRIX, minix, Mac OS X, Solaris, Tru64, UNICOS
|
||||||
|
|
||||||
|
// -l list local filesystems only
|
||||||
|
// confirmed with tests:
|
||||||
|
// Linux
|
||||||
|
// verified with man pages or other docs:
|
||||||
|
// AIX, BS2000, *BSD, HP-UX, IRIX, minix, Mac OS X, Solaris, UNICOS
|
||||||
|
|
||||||
|
// please report all successes or fails for non-confirmed systems to
|
||||||
|
// detlef!reichl()gmx!org. Thanks!
|
||||||
|
|
||||||
|
ArrayList<String> processArgs = new ArrayList<String>();
|
||||||
|
processArgs.add("df");
|
||||||
|
processArgs.add("-k");
|
||||||
|
// Some systems need the additional -P parameter to return the data in Posix format.
|
||||||
|
// Without it the mount point will be in the 7th and not in the 6th column
|
||||||
|
if (usedOS == AIX || usedOS == BS2000 || usedOS == MINIX || usedOS == UNICOS)
|
||||||
|
processArgs.add("-P");
|
||||||
|
// Tru64 does not know the -l parameter
|
||||||
|
// For haiku i didn't found online docs at all; so better exclude it
|
||||||
|
if (usedOS != TRU64 && usedOS != HAIKU)
|
||||||
|
processArgs.add("-l");
|
||||||
|
|
||||||
|
ProcessBuilder processBuilder = new ProcessBuilder(processArgs);
|
||||||
|
Process process;
|
||||||
|
try {
|
||||||
|
process = processBuilder.start();
|
||||||
|
} catch (IOException e){
|
||||||
|
errorMessage = "The system command df returned with an error";
|
||||||
|
usable = false;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader (process.getInputStream ()));
|
||||||
|
String line;
|
||||||
|
while (true) {
|
||||||
|
try {
|
||||||
|
line = bufferedReader.readLine ();
|
||||||
|
} catch (IOException e) {
|
||||||
|
usable = false;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
if (line == null)
|
||||||
|
break;
|
||||||
|
if (! line.startsWith ("/"))
|
||||||
|
continue;
|
||||||
|
String[] tokens = line.split(" ++", 6);
|
||||||
|
if (tokens.length < 6)
|
||||||
|
continue;
|
||||||
|
nextLine:
|
||||||
|
if (getVolumesOnly) {
|
||||||
|
for (int i = 0; i < allMountPoints.size(); i++) {
|
||||||
|
if (tokens[5].trim().compareTo(allMountPoints.get(i)) > 0) {
|
||||||
|
allMountPoints.add(i, tokens[5].trim());
|
||||||
|
allVolumes.add(i, tokens[0]);
|
||||||
|
break nextLine;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
allMountPoints.add(allMountPoints.size(), tokens[5]);
|
||||||
|
allVolumes.add(allVolumes.size(), tokens[0]);
|
||||||
|
} else {
|
||||||
|
for (int i = 0; i < yacyUsedVolumes.size(); i++){
|
||||||
|
if (yacyUsedVolumes.get(i).equals(tokens[0])) {
|
||||||
|
long[] vals = new long[2];
|
||||||
|
try { vals[0] = new Long(tokens[1]); } catch (NumberFormatException e) { break nextLine; }
|
||||||
|
try { vals[1] = new Long(tokens[3]); } catch (NumberFormatException e) { break nextLine; }
|
||||||
|
vals[0] *= 1024;
|
||||||
|
vals[1] *= 1024;
|
||||||
|
diskUsage.put (yacyUsedMountPoints.get(i), vals);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
private void checkVolumesInUseUnix (String path) {
|
||||||
|
File file = new File(path);
|
||||||
|
File[] fileList = file.listFiles();
|
||||||
|
String base;
|
||||||
|
String dir;
|
||||||
|
|
||||||
|
for (int i = 0; i < fileList.length; i++) {
|
||||||
|
if (fileList[i].isDirectory()) {
|
||||||
|
try {
|
||||||
|
dir = fileList[i].getCanonicalPath();
|
||||||
|
} catch (IOException e) {
|
||||||
|
usable = false;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (!dir.endsWith ("HTCACHE")) {
|
||||||
|
checkVolumesInUseUnix (dir);
|
||||||
|
} else {
|
||||||
|
checkPathUsage (dir);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
try {
|
||||||
|
base = fileList[i].getCanonicalPath();
|
||||||
|
} catch (IOException e) {
|
||||||
|
usable = false;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
checkPathUsage (base);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
///////////////
|
||||||
|
// Windows //
|
||||||
|
///////////////
|
||||||
|
|
||||||
|
private void checkWindowsCommandVersion () {
|
||||||
|
windowsCommand = null;
|
||||||
|
String os = System.getProperty("os.name").toLowerCase();
|
||||||
|
String[] oses = {"windows 95", "windows 98", "windows me"};
|
||||||
|
|
||||||
|
for (int i = 0; i < oses.length; i++)
|
||||||
|
{
|
||||||
|
if (os.indexOf(oses[i]) >= 0){
|
||||||
|
windowsCommand = "command.com";
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (windowsCommand == null)
|
||||||
|
windowsCommand = "cmd.exe";
|
||||||
|
}
|
||||||
|
|
||||||
|
private String dfWindowsGetConsoleOutput (String device) {
|
||||||
|
ArrayList<String> processArgs = new ArrayList<String>();
|
||||||
|
processArgs.add(windowsCommand);
|
||||||
|
processArgs.add("/c");
|
||||||
|
processArgs.add("dir");
|
||||||
|
processArgs.add(device);
|
||||||
|
|
||||||
|
|
||||||
|
ProcessBuilder processBuilder = new ProcessBuilder(processArgs);
|
||||||
|
Process process;
|
||||||
|
try {
|
||||||
|
process = processBuilder.start();
|
||||||
|
} catch (IOException e) {return null;}
|
||||||
|
|
||||||
|
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
|
||||||
|
String line;
|
||||||
|
String lastLine = null;
|
||||||
|
while (true) {
|
||||||
|
try {
|
||||||
|
line = bufferedReader.readLine ();
|
||||||
|
} catch (IOException e) { return null; }
|
||||||
|
if (line == null)
|
||||||
|
break;
|
||||||
|
if (line.trim().length() > 0)
|
||||||
|
lastLine = line;
|
||||||
|
}
|
||||||
|
return lastLine;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void getAllVolumesWindows () {
|
||||||
|
for (char c = 'A'; c <= 'Z'; c++) {
|
||||||
|
String dirName = c + ":\\";
|
||||||
|
if (dfWindowsGetConsoleOutput (dirName) != null) {
|
||||||
|
allVolumes.add(String.valueOf(c));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void checkStartVolume() {
|
||||||
|
File file = new File("DATA");
|
||||||
|
|
||||||
|
String path = null;
|
||||||
|
try { path = file.getCanonicalPath().toString(); } catch (IOException e) { return; }
|
||||||
|
if (path.length() < 6)
|
||||||
|
return;
|
||||||
|
|
||||||
|
int index = -1;
|
||||||
|
try { index = allVolumes.indexOf(path.substring(0, 1)); } catch (IndexOutOfBoundsException e) { return; }
|
||||||
|
if (index > -1)
|
||||||
|
usedVolumes.set(index, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void dfWindows () {
|
||||||
|
for (int i = 0; i < yacyUsedVolumes.size(); i++){
|
||||||
|
// in yacyUsedMountPoints aendern
|
||||||
|
String line = dfWindowsGetConsoleOutput(yacyUsedVolumes.get(i) + ":\\");
|
||||||
|
String[] tokens = line.trim().split(" ++");
|
||||||
|
|
||||||
|
long[] vals = new long[2];
|
||||||
|
vals[0] = -1;
|
||||||
|
try { vals[1] = new Long(tokens[2].replaceAll("[.,]", "")); } catch (NumberFormatException e) {continue;}
|
||||||
|
diskUsage.put (yacyUsedVolumes.get(i), vals);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/////////////
|
||||||
|
// common //
|
||||||
|
/////////////
|
||||||
|
|
||||||
|
private int getOS () {
|
||||||
|
String os = System.getProperty("os.name").toLowerCase();
|
||||||
|
for (int i = 0; i < OSname.length; i++)
|
||||||
|
{
|
||||||
|
if (os.indexOf(OSname[i]) >= 0)
|
||||||
|
return i;
|
||||||
|
}
|
||||||
|
errorMessage = "unknown operating system (" + System.getProperty("os.name") + ")";
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
private void checkMapedSubDirs () {
|
||||||
|
// FIXME whats about the secondary path???
|
||||||
|
// = (getConfig(plasmaSwitchboard.INDEX_SECONDARY_PATH, "");
|
||||||
|
String[] pathes = {plasmaSwitchboard.HTDOCS_PATH,
|
||||||
|
plasmaSwitchboard.INDEX_PRIMARY_PATH,
|
||||||
|
plasmaSwitchboard.LISTS_PATH,
|
||||||
|
plasmaSwitchboard.PLASMA_PATH,
|
||||||
|
plasmaSwitchboard.RANKING_PATH,
|
||||||
|
plasmaSwitchboard.WORK_PATH};
|
||||||
|
|
||||||
|
for (int i = 0; i < pathes.length; i++) {
|
||||||
|
String path = null;
|
||||||
|
try {
|
||||||
|
path = sb.getConfigPath(pathes[i], "").getCanonicalPath().toString();
|
||||||
|
} catch (IOException e) { continue; }
|
||||||
|
if (path.length() > 0)
|
||||||
|
checkPathUsage (path);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void checkPathUsage (String path) {
|
||||||
|
for (int i = 0; i < allMountPoints.size(); i++){
|
||||||
|
if (path.startsWith (allMountPoints.get(i))) {
|
||||||
|
usedVolumes.set(i, true);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
@ -0,0 +1,152 @@
|
|||||||
|
// resourceObserver.java
|
||||||
|
// -----------------------
|
||||||
|
// part of YaCy
|
||||||
|
// (C) by Detlef Reichl; detlef!reichl()gmx!org
|
||||||
|
// Pforzheim, Germany, 2008
|
||||||
|
//
|
||||||
|
// This program is free software; you can redistribute it and/or modify
|
||||||
|
// it under the terms of the GNU General Public License as published by
|
||||||
|
// the Free Software Foundation; either version 2 of the License, or
|
||||||
|
// (at your option) any later version.
|
||||||
|
//
|
||||||
|
// This program is distributed in the hope that it will be useful,
|
||||||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
// GNU General Public License for more details.
|
||||||
|
//
|
||||||
|
// You should have received a copy of the GNU General Public License
|
||||||
|
// along with this program; if not, write to the Free Software
|
||||||
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
//
|
||||||
|
// Using this software in any meaning (reading, learning, copying, compiling,
|
||||||
|
// running) means that you agree that the Author(s) is (are) not responsible
|
||||||
|
// for cost, loss of data or any harm that may be caused directly or indirectly
|
||||||
|
// by usage of this softare or this documentation. The usage of this software
|
||||||
|
// is on your own risk. The installation and usage (starting/running) of this
|
||||||
|
// software may allow other people or application to access your computer and
|
||||||
|
// any attached devices and is highly dependent on the configuration of the
|
||||||
|
// software which must be done by the user of the software; the author(s) is
|
||||||
|
// (are) also not responsible for proper configuration and usage of the
|
||||||
|
// software, even if provoked by documentation provided together with
|
||||||
|
// the software.
|
||||||
|
//
|
||||||
|
// Any changes to this file according to the GPL as documented in the file
|
||||||
|
// gpl.txt aside this file in the shipment you received can be done to the
|
||||||
|
// lines that follows this copyright notice here, but changes must not be
|
||||||
|
// done inside the copyright notive above. A re-distribution must contain
|
||||||
|
// the intact and unchanged copyright notice.
|
||||||
|
// Contributions and changes to the program code must be marked as such.
|
||||||
|
|
||||||
|
package de.anomic.yacy;
|
||||||
|
|
||||||
|
import java.lang.String;
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.Map;
|
||||||
|
import java.util.Set;
|
||||||
|
import java.util.Iterator;
|
||||||
|
|
||||||
|
import de.anomic.plasma.plasmaSwitchboard;
|
||||||
|
import de.anomic.server.logging.serverLog;
|
||||||
|
import de.anomic.tools.diskUsage;
|
||||||
|
|
||||||
|
public final class resourceObserver {
|
||||||
|
// The minimal free space on every used volume, for now set to 100 MB.
|
||||||
|
// TODO make it configurable
|
||||||
|
private final static long MIN_FREE_DISK_SPACE = 104857600L;
|
||||||
|
// Unknown for now
|
||||||
|
private final static long MIN_FREE_MEMORY = 0;
|
||||||
|
// We are called with the cleanup job every five minutes;
|
||||||
|
// the disk usage should be checked with every run
|
||||||
|
private final int CHECK_DISK_USAGE_FREQ = 1;
|
||||||
|
// The memory usage should be checked on every run
|
||||||
|
private final int CHECK_MEMORY_USAGE_FREQ = 1;
|
||||||
|
|
||||||
|
private serverLog log = new serverLog("RESOURCE OBSERVER");
|
||||||
|
private diskUsage du;
|
||||||
|
private plasmaSwitchboard sb;
|
||||||
|
|
||||||
|
private int checkDiskUsageCount;
|
||||||
|
private int checkMemoryUsageCount;
|
||||||
|
private boolean disksOK;
|
||||||
|
private boolean memoryOK;
|
||||||
|
|
||||||
|
public resourceObserver(plasmaSwitchboard sb) {
|
||||||
|
this.sb = sb;
|
||||||
|
du = new diskUsage(sb);
|
||||||
|
|
||||||
|
if (!du.getUsable ())
|
||||||
|
this.log.logWarning("Disk usage returned: " + du.getErrorMessage());
|
||||||
|
|
||||||
|
checkDiskUsageCount = 0;
|
||||||
|
checkMemoryUsageCount = 0;
|
||||||
|
disksOK = true;
|
||||||
|
memoryOK = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
public boolean resourceObserverJob() {
|
||||||
|
checkDiskUsageCount++;
|
||||||
|
checkMemoryUsageCount++;
|
||||||
|
boolean tmpDisksOK = true;
|
||||||
|
boolean tmpMemoryOK = true;
|
||||||
|
if (checkDiskUsageCount >= CHECK_DISK_USAGE_FREQ) {
|
||||||
|
checkDiskUsageCount = 0;
|
||||||
|
tmpDisksOK = checkDisks();
|
||||||
|
disksOK = tmpDisksOK;
|
||||||
|
}
|
||||||
|
if (checkMemoryUsageCount >= CHECK_MEMORY_USAGE_FREQ) {
|
||||||
|
checkMemoryUsageCount = 0;
|
||||||
|
tmpMemoryOK = checkMemory();
|
||||||
|
memoryOK = tmpMemoryOK;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!tmpDisksOK || !tmpMemoryOK) {
|
||||||
|
if (!sb.crawlJobIsPaused(plasmaSwitchboard.CRAWLJOB_LOCAL_CRAWL)) {
|
||||||
|
this.log.logInfo("disabling local crawls");
|
||||||
|
sb.pauseCrawlJob(plasmaSwitchboard.CRAWLJOB_LOCAL_CRAWL);
|
||||||
|
}
|
||||||
|
if (!sb.crawlJobIsPaused(plasmaSwitchboard.CRAWLJOB_REMOTE_TRIGGERED_CRAWL)) {
|
||||||
|
this.log.logInfo("disabling remote triggered crawls");
|
||||||
|
sb.pauseCrawlJob(plasmaSwitchboard.CRAWLJOB_REMOTE_TRIGGERED_CRAWL);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
public boolean getDisksOK () {
|
||||||
|
return disksOK;
|
||||||
|
}
|
||||||
|
|
||||||
|
public boolean getMemoryOK () {
|
||||||
|
return memoryOK;
|
||||||
|
}
|
||||||
|
|
||||||
|
public long getMinFreeDiskSpace () {
|
||||||
|
return MIN_FREE_DISK_SPACE;
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean checkDisks() {
|
||||||
|
boolean below = false;
|
||||||
|
|
||||||
|
if (!du.getUsable ())
|
||||||
|
return true;
|
||||||
|
|
||||||
|
HashMap<String, long[]> usage = du.getDiskUsage();
|
||||||
|
Iterator<Map.Entry<String, long[]>> iter = usage.entrySet().iterator();
|
||||||
|
Map.Entry<String, long[]> entry;
|
||||||
|
while (iter.hasNext()) {
|
||||||
|
entry = iter.next ();
|
||||||
|
String key = entry.getKey();
|
||||||
|
long[] val = entry.getValue();
|
||||||
|
if (val[1] < MIN_FREE_DISK_SPACE) {
|
||||||
|
this.log.logWarning("Volume: " + key + " free space to low");
|
||||||
|
below = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return !below;
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean checkMemory() {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
Loading…
Reference in new issue