Exemplo n.º 1
0
 public static void disableInputs(Browser browser) {
   if (browser != null && !browser.isDisposed()) {
     String disableInputs =
         "function() {"
             + //$NON-NLS-1$
             "var inputs = document.getElementsByTagName('INPUT');"
             + //$NON-NLS-1$
             "for (var i = 0; i < inputs.length; i++) {"
             + //$NON-NLS-1$
             "inputs[i].blur();"
             + //$NON-NLS-1$ Disabling autofocus
             "inputs[i].disabled = true;"
             + //$NON-NLS-1$
             "}"
             + //$NON-NLS-1$
             "}"; //$NON-NLS-1$
     OS platform = PlatformUtil.getOs();
     if (OS.WINDOWS.equals(platform)) {
       browser.execute("(" + disableInputs + ")();"); // $NON-NLS-1$ //$NON-NLS-2$
     } else {
       int timeout = 30;
       if (OS.LINUX.equals(platform)) {
         timeout = 150; // timeout increased for old xulrunner
       }
       browser.execute(
           "(setTimeout("
               + disableInputs
               + ", "
               + timeout
               + "))();"); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
     }
   }
 }
Exemplo n.º 2
0
 public PlatformUtil.DF getRepositoryDF(String repoName) {
   String path = LockssRepositoryImpl.getLocalRepositoryPath(repoName);
   log.debug("path: " + path);
   //    try {
   return platInfo.getJavaDF(path);
   //    } catch (PlatformUtil.UnsupportedException e) {
   //      return null;
   //    }
 }
Exemplo n.º 3
0
  /**
   * Find location of user's default(current) Firefox profile.
   *
   * @return IPath
   */
  public static IPath findDefaultProfileLocation() {
    String[] locations = (String[]) LOCATIONS.get(Platform.getOS());
    if (locations != null) {
      for (int i = 0; i < locations.length; ++i) {
        String location = PlatformUtil.expandEnvironmentStrings(locations[i]);
        File dir = new File(location);
        if (!dir.isDirectory()) {
          continue;
        }
        IdeLog.logInfo(
            CorePlugin.getDefault(),
            MessageFormat.format(
                "Check location {0} for default profile", location)); // $NON-NLS-1$

        File[] profiles = readProfiles(dir);
        if (profiles.length == 0) {
          File dirProfiles = new File(dir, "Profiles"); // $NON-NLS-1$
          if (!dirProfiles.exists() || !dirProfiles.isDirectory()) {
            dirProfiles = dir;
          }
          profiles =
              dirProfiles.listFiles(
                  new FilenameFilter() {
                    public boolean accept(File dir, String name) {
                      return name.endsWith(".default"); // $NON-NLS-1$
                    }
                  });
        }

        // Debug output
        StringBuffer sb = new StringBuffer();
        for (int j = 0; j < profiles.length; ++j) {
          if (j != 0) {
            sb.append(',');
          }
          sb.append(profiles[j].toString());
        }
        IdeLog.logInfo(
            CorePlugin.getDefault(),
            MessageFormat.format("Profiles found: {0}", sb.toString())); // $NON-NLS-1$
        // End of Debug output

        for (File profile : profiles) {
          if (profile.isDirectory()) {
            IdeLog.logInfo(
                CorePlugin.getDefault(),
                MessageFormat.format(
                    "Default profile was found at {0}", profile.toString())); // $NON-NLS-1$
            return Path.fromOSString(profile.getAbsolutePath());
          }
        }
      }
    }
    return null;
  }
Exemplo n.º 4
0
  public static void outlineSelectedElement(Browser browser, Long currentSelectionId) {
    if (browser != null && !browser.isDisposed()) {
      String styleAttributeSelector;
      if (currentSelectionId == null) {
        styleAttributeSelector = ""; // $NON-NLS-1$
      } else {
        styleAttributeSelector =
            "'["
                + VpvDomBuilder.ATTR_VPV_ID
                + "=\""
                + currentSelectionId
                + "\"] {outline: 1px solid blue; border: 1px solid blue;  z-index: 2147483638;}'"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
      }

      String outlineJsFunction =
          "function() {"
              + //$NON-NLS-1$
              "var style=document.getElementById('"
              + VPV_SELECTION_STYLE_ID
              + "');"
              + //$NON-NLS-1$ //$NON-NLS-2$
              "if (!style) {"
              + //$NON-NLS-1$
              "style = document.createElement('STYLE');"
              + //$NON-NLS-1$
              "style.type = 'text/css';"
              + //$NON-NLS-1$
              "}"
              + //$NON-NLS-1$
              "style.id = '"
              + VPV_SELECTION_STYLE_ID
              + "';"
              + //$NON-NLS-1$ //$NON-NLS-2$
              "style.innerHTML = "
              + styleAttributeSelector
              + ";"
              + //$NON-NLS-1$ //$NON-NLS-2$
              "var head = document.head || document.getElementsByTagName('head')[0] ;"
              + //$NON-NLS-1$
              "head.appendChild(style);"
              + //$NON-NLS-1$
              "}"; //$NON-NLS-1$

      if (OS.WINDOWS.equals(PlatformUtil.getOs())) {
        browser.execute("(" + outlineJsFunction + ")();"); // $NON-NLS-1$ //$NON-NLS-2$
      } else {
        // JBIDE-17155 Visual Preview: no selection after element changed on Mac Os and Linux
        browser.execute(
            "(setTimeout(" + outlineJsFunction + ", 10))();"); // $NON-NLS-1$//$NON-NLS-2$
      }
    }
  }
Exemplo n.º 5
0
 private void writeFiles() {
   PlatformUtil platutil = PlatformUtil.getInstance();
   CuIterator iter = AuUtil.getCuIterator(au);
   int errs = 0;
   CachedUrl curCu = null;
   CachedUrl nextCu = getNextCu(iter);
   while (nextCu != null) {
     curCu = nextCu;
     nextCu = getNextCu(iter);
     if (excludeDirNodes && nextCu != null && isDirOf(curCu, nextCu)) {
       continue;
     }
     CachedUrl[] cuVersions =
         curCu.getCuVersions(maxVersions > 0 ? maxVersions : Integer.MAX_VALUE);
     for (CachedUrl cu : cuVersions) {
       try {
         log.debug2("Exporting " + cu.getUrl());
         writeCu(cu);
       } catch (IOException e) {
         if (platutil.isDiskFullError(e)) {
           recordError("Disk full, can't write export file.");
           isDiskFull = true;
           return;
         }
       } catch (Exception e) {
         // XXX Would like to differentiate between errors opening or
         // reading CU, which shouldn't cause abort, and errors writing
         // to export file, which should.
         recordError("Unable to copy " + cu.getUrl(), e);
         if (errs++ >= maxErrors) {
           recordError("Aborting after " + errs + " errors");
           return;
         }
       }
     }
   }
 }
Exemplo n.º 6
0
 String getMachineName() {
   return PlatformUtil.getLocalHostname();
 }
Exemplo n.º 7
0
  public static void navigateToVisual(
      IEditorPart currentEditor, Browser browser, VpvVisualModel visualModel, int x, int y) {
    String stringToEvaluate = ""; // $NON-NLS-1$
    if (OS.LINUX.equals(PlatformUtil.getOs())) {
      /* outerHTML is not available with XulRunner we shipping, so <code>result</code> variable will be null
       * because we make it default browser on Linux this workaround is used
       * @see JBIDE-17454
       */
      stringToEvaluate =
          "var selected = document.elementFromPoint("
              + x
              + ", "
              + y
              + ");"
              + //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
              "var temp = document.createElement('div');"
              + //$NON-NLS-1$
              "temp.appendChild(selected.cloneNode(true));"
              + //$NON-NLS-1$
              "return temp.innerHTML;"; //$NON-NLS-1$
    } else {
      stringToEvaluate =
          "return document.elementFromPoint("
              + x
              + ", "
              + y
              + ").outerHTML;"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
    }
    String result = (String) browser.evaluate(stringToEvaluate);
    if (result != null) {
      String selectedElementId =
          TransformUtil.getSelectedElementId(result, "(?<=data-vpvid=\").*?(?=\")"); // $NON-NLS-1$

      Long id =
          (selectedElementId != null
                  && !selectedElementId.isEmpty()) // avoiding NumberFormatException
              ? Long.parseLong(selectedElementId)
              : null;
      NavigationUtil.outlineSelectedElement(browser, id);

      String fileExtension = EditorUtil.getFileExtensionFromEditor(currentEditor);

      if (SuitableFileExtensions.isHTML(fileExtension)) {
        try {
          Node visualNode = TransformUtil.getVisualNodeByVpvId(visualModel, selectedElementId);
          Node sourseNode = TransformUtil.getSourseNodeByVisualNode(visualModel, visualNode);

          if (sourseNode != null && sourseNode instanceof IDOMNode) {
            int startOffset = ((IDOMNode) sourseNode).getStartOffset();
            int endOffset = ((IDOMNode) sourseNode).getEndOffset();

            StructuredTextEditor editor =
                (StructuredTextEditor) currentEditor.getAdapter(StructuredTextEditor.class);
            editor.selectAndReveal(startOffset, endOffset - startOffset);
          }

        } catch (XPathExpressionException e) {
          Activator.logError(e);
        }
      }
    }
  }
Exemplo n.º 8
0
/**
 * RepositoryManager is the center of the per AU repositories. It manages the repository config
 * parameters.
 */
public class RepositoryManager extends BaseLockssDaemonManager implements ConfigurableManager {

  private static Logger log = Logger.getLogger("RepositoryManager");

  public static final String PREFIX = Configuration.PREFIX + "repository.";

  /** Maximum size of per-AU repository node cache */
  public static final String PARAM_MAX_PER_AU_CACHE_SIZE = PREFIX + "nodeCache.size";

  public static final int DEFAULT_MAX_PER_AU_CACHE_SIZE = 10;

  /*
   * This needs to be a small multiple of the number of simultaneous
   * polls (poller and voter), as there is a cache entry per active AU.
   * Each poll will have one active AU at a time.
   */
  public static final String PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE =
      PREFIX + "suspectVersionsCache.size";
  public static final int DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE = 10;

  static final String GLOBAL_CACHE_PREFIX = PREFIX + "globalNodeCache.";
  public static final String PARAM_MAX_GLOBAL_CACHE_SIZE = GLOBAL_CACHE_PREFIX + "size";
  public static final int DEFAULT_MAX_GLOBAL_CACHE_SIZE = 500;

  public static final String PARAM_GLOBAL_CACHE_ENABLED = GLOBAL_CACHE_PREFIX + "enabled";
  public static final boolean DEFAULT_GLOBAL_CACHE_ENABLED = false;

  /** Max times to loop looking for unused AU directory. */
  public static final String PARAM_MAX_UNUSED_DIR_SEARCH = PREFIX + "maxUnusedDirSearch";

  public static final int DEFAULT_MAX_UNUSED_DIR_SEARCH = 30000;

  /** If true, LocalRepository keeps track of next subdir name to probe. */
  public static final String PARAM_IS_STATEFUL_UNUSED_DIR_SEARCH =
      PREFIX + "enableStatefulUnusedDirSearch";

  public static final boolean DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH = true;

  /** Max percent of time size calculation thread may run. */
  public static final String PARAM_SIZE_CALC_MAX_LOAD = PREFIX + "sizeCalcMaxLoad";

  public static final float DEFAULT_SIZE_CALC_MAX_LOAD = 0.5F;

  /**
   * If true, path components longer than the maximum filesystem path component are encodes are
   * multiple levels of directories
   */
  public static final String PARAM_ENABLE_LONG_COMPONENTS = PREFIX + "enableLongComponents";

  public static final boolean DEFAULT_ENABLE_LONG_COMPONENTS = true;

  /**
   * Prior to 1.61.6, when long component support is enabled, backslahes were normalized to %5c
   * instead of %5C. This is harmless if checkUnnormalized is set to Fix, as they'll be normalized.
   * Otherwise, this can be set true for compatibility with old repositories. Setting
   * checkUnnormalized to Fix is preferred.
   */
  public static final String PARAM_ENABLE_LONG_COMPONENTS_COMPATIBILITY =
      PREFIX + "enableLongComponentsCompatibility";

  public static final boolean DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY = false;

  /** Maximum length of a filesystem path component. */
  public static final String PARAM_MAX_COMPONENT_LENGTH = PREFIX + "maxComponentLength";

  public static final int DEFAULT_MAX_COMPONENT_LENGTH = 255;

  /** @see #PARAM_CHECK_UNNORMALIZED */
  public enum CheckUnnormalizedMode {
    No,
    Log,
    Fix
  };

  /**
   * Check for existing nodes with unnormalized names (created by very old daemon that didn't
   * normalize): None, Log, Fix
   */
  public static final String PARAM_CHECK_UNNORMALIZED = PREFIX + "checkUnnormalized";

  public static final CheckUnnormalizedMode DEFAULT_CHECK_UNNORMALIZED = CheckUnnormalizedMode.Log;

  static final String WDOG_PARAM_SIZE_CALC = "SizeCalc";
  static final long WDOG_DEFAULT_SIZE_CALC = Constants.DAY;

  static final String PRIORITY_PARAM_SIZE_CALC = "SizeCalc";
  static final int PRIORITY_DEFAULT_SIZE_CALC = Thread.NORM_PRIORITY - 1;

  static final String DISK_PREFIX = PREFIX + "diskSpace.";

  static final String PARAM_DISK_WARN_FRRE_MB = DISK_PREFIX + "warn.freeMB";
  static final int DEFAULT_DISK_WARN_FRRE_MB = 5000;
  static final String PARAM_DISK_FULL_FRRE_MB = DISK_PREFIX + "full.freeMB";
  static final int DEFAULT_DISK_FULL_FRRE_MB = 100;
  static final String PARAM_DISK_WARN_FRRE_PERCENT = DISK_PREFIX + "warn.freePercent";
  static final double DEFAULT_DISK_WARN_FRRE_PERCENT = .02;
  static final String PARAM_DISK_FULL_FRRE_PERCENT = DISK_PREFIX + "full.freePercent";
  static final double DEFAULT_DISK_FULL_FRRE_PERCENT = .01;

  private PlatformUtil platInfo = PlatformUtil.getInstance();
  private List repoList = Collections.EMPTY_LIST;
  int paramNodeCacheSize = DEFAULT_MAX_PER_AU_CACHE_SIZE;
  boolean paramIsGlobalNodeCache = DEFAULT_GLOBAL_CACHE_ENABLED;
  int paramGlobalNodeCacheSize = DEFAULT_MAX_GLOBAL_CACHE_SIZE;
  int paramSuspectVersionsCacheSize = DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE;
  UniqueRefLruCache globalNodeCache = new UniqueRefLruCache(DEFAULT_MAX_GLOBAL_CACHE_SIZE);
  UniqueRefLruCache suspectVersionsCache =
      new UniqueRefLruCache(DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE);
  Map localRepos = new HashMap();
  private static int maxUnusedDirSearch = DEFAULT_MAX_UNUSED_DIR_SEARCH;
  private static boolean isStatefulUnusedDirSearch = DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH;
  private static boolean enableLongComponents = DEFAULT_ENABLE_LONG_COMPONENTS;
  private static boolean enableLongComponentsCompatibility =
      DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY;
  private static int maxComponentLength = DEFAULT_MAX_COMPONENT_LENGTH;
  private static CheckUnnormalizedMode checkUnnormalized = DEFAULT_CHECK_UNNORMALIZED;

  PlatformUtil.DF paramDFWarn =
      PlatformUtil.DF.makeThreshold(DEFAULT_DISK_WARN_FRRE_MB, DEFAULT_DISK_WARN_FRRE_PERCENT);
  PlatformUtil.DF paramDFFull =
      PlatformUtil.DF.makeThreshold(DEFAULT_DISK_FULL_FRRE_MB, DEFAULT_DISK_FULL_FRRE_PERCENT);

  private float sizeCalcMaxLoad = DEFAULT_SIZE_CALC_MAX_LOAD;

  public void startService() {
    super.startService();
    localRepos = new HashMap();
  }

  public void setConfig(
      Configuration config, Configuration oldConfig, Configuration.Differences changedKeys) {
    //  Build list of repositories from list of disk (fs) paths).  Needs to
    //  be generalized if ever another repository implementation.
    if (changedKeys.contains(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST)) {
      List lst = new ArrayList();
      String dspace = config.get(ConfigManager.PARAM_PLATFORM_DISK_SPACE_LIST, "");
      List paths = StringUtil.breakAt(dspace, ';');
      if (paths != null) {
        for (Iterator iter = paths.iterator(); iter.hasNext(); ) {
          lst.add("local:" + (String) iter.next());
        }
      }
      repoList = lst;
    }
    if (changedKeys.contains(PARAM_MAX_PER_AU_CACHE_SIZE)) {
      paramNodeCacheSize =
          config.getInt(PARAM_MAX_PER_AU_CACHE_SIZE, DEFAULT_MAX_PER_AU_CACHE_SIZE);
      for (Iterator iter = getDaemon().getAllLockssRepositories().iterator(); iter.hasNext(); ) {
        LockssRepository repo = (LockssRepository) iter.next();
        if (repo instanceof LockssRepositoryImpl) {
          LockssRepositoryImpl repoImpl = (LockssRepositoryImpl) repo;
          repoImpl.setNodeCacheSize(paramNodeCacheSize);
        }
      }
    }
    if (changedKeys.contains(PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE)) {
      paramSuspectVersionsCacheSize =
          config.getInt(
              PARAM_MAX_SUSPECT_VERSIONS_CACHE_SIZE, DEFAULT_MAX_SUSPECT_VERSIONS_CACHE_SIZE);
      suspectVersionsCache.setMaxSize(paramSuspectVersionsCacheSize);
    }
    if (changedKeys.contains(GLOBAL_CACHE_PREFIX)) {
      paramIsGlobalNodeCache =
          config.getBoolean(PARAM_GLOBAL_CACHE_ENABLED, DEFAULT_GLOBAL_CACHE_ENABLED);
      if (paramIsGlobalNodeCache) {
        paramGlobalNodeCacheSize =
            config.getInt(PARAM_MAX_GLOBAL_CACHE_SIZE, DEFAULT_MAX_GLOBAL_CACHE_SIZE);
        log.debug("global node cache size: " + paramGlobalNodeCacheSize);
        globalNodeCache.setMaxSize(paramGlobalNodeCacheSize);
      }
    }
    if (changedKeys.contains(DISK_PREFIX)) {
      int minMB = config.getInt(PARAM_DISK_WARN_FRRE_MB, DEFAULT_DISK_WARN_FRRE_MB);
      double minPer =
          config.getPercentage(PARAM_DISK_WARN_FRRE_PERCENT, DEFAULT_DISK_WARN_FRRE_PERCENT);
      paramDFWarn = PlatformUtil.DF.makeThreshold(minMB, minPer);
      minMB = config.getInt(PARAM_DISK_FULL_FRRE_MB, DEFAULT_DISK_FULL_FRRE_MB);
      minPer = config.getPercentage(PARAM_DISK_FULL_FRRE_PERCENT, DEFAULT_DISK_FULL_FRRE_PERCENT);
      paramDFFull = PlatformUtil.DF.makeThreshold(minMB, minPer);
    }
    if (changedKeys.contains(PARAM_SIZE_CALC_MAX_LOAD)) {
      sizeCalcMaxLoad = config.getPercentage(PARAM_SIZE_CALC_MAX_LOAD, DEFAULT_SIZE_CALC_MAX_LOAD);
    }
    if (changedKeys.contains(PREFIX)) {
      maxUnusedDirSearch =
          config.getInt(PARAM_MAX_UNUSED_DIR_SEARCH, DEFAULT_MAX_UNUSED_DIR_SEARCH);
      isStatefulUnusedDirSearch =
          config.getBoolean(
              PARAM_IS_STATEFUL_UNUSED_DIR_SEARCH, DEFAULT_IS_STATEFUL_UNUSED_DIR_SEARCH);
      enableLongComponents =
          config.getBoolean(PARAM_ENABLE_LONG_COMPONENTS, DEFAULT_ENABLE_LONG_COMPONENTS);
      enableLongComponentsCompatibility =
          config.getBoolean(
              PARAM_ENABLE_LONG_COMPONENTS_COMPATIBILITY,
              DEFAULT_ENABLE_LONG_COMPONENTS_COMPATIBILITY);
      maxComponentLength = config.getInt(PARAM_MAX_COMPONENT_LENGTH, DEFAULT_MAX_COMPONENT_LENGTH);
      checkUnnormalized =
          (CheckUnnormalizedMode)
              config.getEnum(
                  CheckUnnormalizedMode.class,
                  PARAM_CHECK_UNNORMALIZED,
                  DEFAULT_CHECK_UNNORMALIZED);
    }
  }

  public static boolean isEnableLongComponents() {
    return enableLongComponents;
  }

  public static boolean isEnableLongComponentsCompatibility() {
    return enableLongComponentsCompatibility;
  }

  public static int getMaxComponentLength() {
    return maxComponentLength;
  }

  public static CheckUnnormalizedMode getCheckUnnormalizedMode() {
    return checkUnnormalized;
  }

  /**
   * Return list of known repository names. Needs a registration mechanism if ever another
   * repository implementation.
   */
  public List<String> getRepositoryList() {
    return repoList;
  }

  public PlatformUtil.DF getRepositoryDF(String repoName) {
    String path = LockssRepositoryImpl.getLocalRepositoryPath(repoName);
    log.debug("path: " + path);
    //    try {
    return platInfo.getJavaDF(path);
    //    } catch (PlatformUtil.UnsupportedException e) {
    //      return null;
    //    }
  }

  public Map<String, PlatformUtil.DF> getRepositoryMap() {
    Map<String, PlatformUtil.DF> repoMap = new LinkedMap();
    for (String repo : getRepositoryList()) {
      repoMap.put(repo, getRepositoryDF(repo));
    }
    return repoMap;
  }

  public String findLeastFullRepository() {
    return findLeastFullRepository(getRepositoryMap());
  }

  public String findLeastFullRepository(Map<String, PlatformUtil.DF> repoMap) {
    String mostFree = null;
    for (String repo : repoMap.keySet()) {
      PlatformUtil.DF df = repoMap.get(repo);
      if (df != null) {
        if (mostFree == null || (repoMap.get(mostFree)).getAvail() < df.getAvail()) {
          mostFree = repo;
        }
      }
    }
    return mostFree;
  }

  public PlatformUtil.DF getDiskWarnThreshold() {
    return paramDFWarn;
  }

  public PlatformUtil.DF getDiskFullThreshold() {
    return paramDFFull;
  }

  public static int getMaxUnusedDirSearch() {
    return maxUnusedDirSearch;
  }

  public static boolean isStatefulUnusedDirSearch() {
    return isStatefulUnusedDirSearch;
  }

  public List findExistingRepositoriesFor(String auid) {
    List res = null;
    for (Iterator iter = getRepositoryList().iterator(); iter.hasNext(); ) {
      String repoName = (String) iter.next();
      String path = LockssRepositoryImpl.getLocalRepositoryPath(repoName);
      if (LockssRepositoryImpl.doesAuDirExist(auid, path)) {
        if (res == null) {
          res = new ArrayList();
        }
        res.add(repoName);
      }
    }
    return res == null ? Collections.EMPTY_LIST : res;
  }

  // hack only local
  public synchronized LockssRepositoryImpl getRepositoryFromPath(String path) {
    LockssRepositoryImpl repo = (LockssRepositoryImpl) localRepos.get(path);
    if (repo == null) {
      repo = new LockssRepositoryImpl(path);
      repo.initService(getDaemon());
      repo.startService();
      localRepos.put(path, repo);
    }
    return repo;
  }

  /**
   * Return the disk space used by the AU, including all overhead, optionally calculating it if
   * necessary.
   *
   * @param repoAuPath the full path to an AU dir in a LockssRepositoryImpl
   * @param calcIfUnknown if true, size will calculated if unknown (time consumeing)
   * @return the AU's disk usage in bytes, or -1 if unknown
   */
  public long getRepoDiskUsage(String repoAuPath, boolean calcIfUnknown) {
    LockssRepository repo = getRepositoryFromPath(repoAuPath);
    if (repo != null) {
      try {
        RepositoryNode repoNode = repo.getNode(AuCachedUrlSetSpec.URL);
        if (repoNode instanceof AuNodeImpl) {
          return ((AuNodeImpl) repoNode).getDiskUsage(calcIfUnknown);
        }
      } catch (MalformedURLException ignore) {
      }
    }
    return -1;
  }

  public synchronized void setRepositoryForPath(String path, LockssRepositoryImpl repo) {
    localRepos.put(path, repo);
  }

  public boolean isGlobalNodeCache() {
    return paramIsGlobalNodeCache;
  }

  public UniqueRefLruCache getGlobalNodeCache() {
    return globalNodeCache;
  }

  public UniqueRefLruCache getSuspectVersionsCache() {
    return suspectVersionsCache;
  }

  // Background thread to (re)calculate AU size and disk usage.

  private Set sizeCalcQueue = new HashSet();
  private BinarySemaphore sizeCalcSem = new BinarySemaphore();
  private SizeCalcThread sizeCalcThread;

  /** engqueue a size calculation for the AU */
  public void queueSizeCalc(ArchivalUnit au) {
    queueSizeCalc(AuUtil.getAuRepoNode(au));
  }

  /** engqueue a size calculation for the node */
  public void queueSizeCalc(RepositoryNode node) {
    synchronized (sizeCalcQueue) {
      if (sizeCalcQueue.add(node)) {
        log.debug2("Queue size calc: " + node);
        startOrKickThread();
      }
    }
  }

  public int sizeCalcQueueLen() {
    synchronized (sizeCalcQueue) {
      return sizeCalcQueue.size();
    }
  }

  void startOrKickThread() {
    if (sizeCalcThread == null) {
      log.debug2("Starting thread");
      sizeCalcThread = new SizeCalcThread();
      sizeCalcThread.start();
      sizeCalcThread.waitRunning();
    }
    sizeCalcSem.give();
  }

  void stopThread() {
    if (sizeCalcThread != null) {
      log.debug2("Stopping thread");
      sizeCalcThread.stopSizeCalc();
      sizeCalcThread = null;
    }
  }

  void doSizeCalc(RepositoryNode node) {
    node.getTreeContentSize(null, true);
    if (node instanceof AuNodeImpl) {
      ((AuNodeImpl) node).getDiskUsage(true);
    }
  }

  long sleepTimeToAchieveLoad(long runDuration, float maxLoad) {
    return Math.round(((double) runDuration / maxLoad) - runDuration);
  }

  private class SizeCalcThread extends LockssThread {
    private volatile boolean goOn = true;

    private SizeCalcThread() {
      super("SizeCalc");
    }

    public void lockssRun() {
      setPriority(PRIORITY_PARAM_SIZE_CALC, PRIORITY_DEFAULT_SIZE_CALC);
      startWDog(WDOG_PARAM_SIZE_CALC, WDOG_DEFAULT_SIZE_CALC);
      triggerWDogOnExit(true);
      nowRunning();

      while (goOn) {
        try {
          pokeWDog();
          if (sizeCalcQueue.isEmpty()) {
            Deadline timeout = Deadline.in(Constants.HOUR);
            sizeCalcSem.take(timeout);
          }
          RepositoryNode node;
          synchronized (sizeCalcQueue) {
            node = (RepositoryNode) CollectionUtil.getAnElement(sizeCalcQueue);
          }
          if (node != null) {
            long start = TimeBase.nowMs();
            log.debug2("CalcSize start: " + node);
            long dur = 0;
            try {
              doSizeCalc(node);
              dur = TimeBase.nowMs() - start;
              log.debug2("CalcSize finish (" + StringUtil.timeIntervalToString(dur) + "): " + node);
            } catch (RuntimeException e) {
              log.warning("doSizeCalc: " + node, e);
            }
            synchronized (sizeCalcQueue) {
              sizeCalcQueue.remove(node);
            }
            pokeWDog();
            long sleep = sleepTimeToAchieveLoad(dur, sizeCalcMaxLoad);
            Deadline.in(sleep).sleep();
          }
        } catch (InterruptedException e) {
          // just wakeup and check for exit
        }
      }
      if (!goOn) {
        triggerWDogOnExit(false);
      }
    }

    private void stopSizeCalc() {
      goOn = false;
      interrupt();
    }
  }
}