示例#1
0
 /** {@inheritDoc} */
 @Override()
 public void restoreBackup(RestoreConfig restoreConfig) throws DirectoryException {
   BackupManager backupManager = new BackupManager(getBackendID());
   File parentDir = getFileForPath(cfg.getDBDirectory());
   File backendDir = new File(parentDir, cfg.getBackendId());
   backupManager.restoreBackup(backendDir, restoreConfig);
 }
示例#2
0
 /** {@inheritDoc} */
 public void diskFullThresholdReached(DiskSpaceMonitor monitor) {
   Message msg =
       ERR_JEB_DISK_FULL_THRESHOLD_REACHED.get(
           monitor.getDirectory().getPath(), cfg.getBackendId(),
           monitor.getFreeSpace(),
               Math.max(monitor.getLowThreshold(), monitor.getFullThreshold()));
   DirectoryServer.sendAlertNotification(this, ALERT_TYPE_DISK_FULL, msg);
 }
示例#3
0
 /** {@inheritDoc} */
 public void diskSpaceRestored(DiskSpaceMonitor monitor) {
   Message msg =
       NOTE_JEB_DISK_SPACE_RESTORED.get(
           monitor.getFreeSpace(),
           monitor.getDirectory().getPath(),
           cfg.getBackendId(),
           Math.max(monitor.getLowThreshold(), monitor.getFullThreshold()));
   logError(msg);
 }
示例#4
0
  /** {@inheritDoc} */
  @Override()
  public void finalizeBackend() {
    // Deregister as a change listener.
    cfg.removeLocalDBChangeListener(this);

    // Deregister our base DNs.
    for (DN dn : rootContainer.getBaseDNs()) {
      try {
        DirectoryServer.deregisterBaseDN(dn);
      } catch (Exception e) {
        if (debugEnabled()) {
          TRACER.debugCaught(DebugLogLevel.ERROR, e);
        }
      }
    }

    DirectoryServer.deregisterMonitorProvider(rootContainerMonitor);
    DirectoryServer.deregisterMonitorProvider(diskMonitor);

    // We presume the server will prevent more operations coming into this
    // backend, but there may be existing operations already in the
    // backend. We need to wait for them to finish.
    waitUntilQuiescent();

    // Close the database.
    try {
      rootContainer.close();
      rootContainer = null;
    } catch (DatabaseException e) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, e);
      }
      Message message = ERR_JEB_DATABASE_EXCEPTION.get(e.getMessage());
      logError(message);
    }

    // Checksum this db environment and register its offline state id/checksum.
    DirectoryServer.registerOfflineBackendStateID(this.getBackendID(), checksumDbEnv());

    // Deregister the alert generator.
    DirectoryServer.deregisterAlertGenerator(this);

    // Make sure the thread counts are zero for next initialization.
    threadTotalCount.set(0);
    threadWriteCount.set(0);

    // Log an informational message.
    Message message = NOTE_BACKEND_OFFLINE.get(cfg.getBackendId());
    logError(message);
  }
示例#5
0
  /**
   * This method will attempt to checksum the current JE db environment by computing the Adler-32
   * checksum on the latest JE log file available.
   *
   * @return The checksum of JE db environment or zero if checksum failed.
   */
  private long checksumDbEnv() {

    File parentDirectory = getFileForPath(cfg.getDBDirectory());
    File backendDirectory = new File(parentDirectory, cfg.getBackendId());

    List<File> jdbFiles = new ArrayList<File>();
    if (backendDirectory.isDirectory()) {
      jdbFiles =
          Arrays.asList(
              backendDirectory.listFiles(
                  new FilenameFilter() {
                    public boolean accept(File dir, String name) {
                      return name.endsWith(".jdb");
                    }
                  }));
    }

    if (!jdbFiles.isEmpty()) {
      Collections.sort(jdbFiles, Collections.reverseOrder());
      FileInputStream fis = null;
      try {
        fis = new FileInputStream(jdbFiles.get(0).toString());
        CheckedInputStream cis = new CheckedInputStream(fis, new Adler32());
        byte[] tempBuf = new byte[8192];
        while (cis.read(tempBuf) >= 0) {}

        return cis.getChecksum().getValue();
      } catch (Exception e) {
        if (debugEnabled()) {
          TRACER.debugCaught(DebugLogLevel.ERROR, e);
        }
      } finally {
        if (fis != null) {
          try {
            fis.close();
          } catch (Exception e) {
            if (debugEnabled()) {
              TRACER.debugCaught(DebugLogLevel.ERROR, e);
            }
          }
        }
      }
    }

    return 0;
  }
示例#6
0
  /** {@inheritDoc} */
  @Override()
  public LDIFImportResult importLDIF(LDIFImportConfig importConfig) throws DirectoryException {
    RuntimeInformation.logInfo();

    // If the backend already has the root container open, we must use the same
    // underlying root container
    boolean openRootContainer = rootContainer == null;

    // If the rootContainer is open, the backend is initialized by something
    // else.
    // We can't do import while the backend is online.
    if (!openRootContainer) {
      Message message = ERR_JEB_IMPORT_BACKEND_ONLINE.get();
      throw new DirectoryException(DirectoryServer.getServerErrorResultCode(), message);
    }

    try {
      EnvironmentConfig envConfig = new EnvironmentConfig();

      envConfig.setAllowCreate(true);
      envConfig.setTransactional(false);
      envConfig.setDurability(Durability.COMMIT_NO_SYNC);
      envConfig.setLockTimeout(0, TimeUnit.SECONDS);
      envConfig.setTxnTimeout(0, TimeUnit.SECONDS);
      envConfig.setConfigParam(
          EnvironmentConfig.CLEANER_MIN_FILE_UTILIZATION,
          String.valueOf(cfg.getDBCleanerMinUtilization()));
      envConfig.setConfigParam(
          EnvironmentConfig.LOG_FILE_MAX, String.valueOf(cfg.getDBLogFileMax()));

      if (!importConfig.appendToExistingData()) {
        if (importConfig.clearBackend() || cfg.getBaseDN().size() <= 1) {
          // We have the writer lock on the environment, now delete the
          // environment and re-open it. Only do this when we are
          // importing to all the base DNs in the backend or if the backend only
          // have one base DN.
          File parentDirectory = getFileForPath(cfg.getDBDirectory());
          File backendDirectory = new File(parentDirectory, cfg.getBackendId());
          // If the backend does not exist the import will create it.
          if (backendDirectory.exists()) {
            EnvManager.removeFiles(backendDirectory.getPath());
          }
        }
      }

      Importer importer = new Importer(importConfig, cfg, envConfig);
      rootContainer = initializeRootContainer(envConfig);
      return importer.processImport(rootContainer);
    } catch (ExecutionException execEx) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, execEx);
      }
      if (execEx.getCause() instanceof DirectoryException) {
        throw ((DirectoryException) execEx.getCause());
      } else {
        Message message = ERR_EXECUTION_ERROR.get(execEx.getMessage());
        throw new DirectoryException(DirectoryServer.getServerErrorResultCode(), message);
      }
    } catch (InterruptedException intEx) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, intEx);
      }
      Message message = ERR_INTERRUPTED_ERROR.get(intEx.getMessage());
      throw new DirectoryException(DirectoryServer.getServerErrorResultCode(), message);
    } catch (JebException je) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, je);
      }
      throw new DirectoryException(
          DirectoryServer.getServerErrorResultCode(), je.getMessageObject());
    } catch (InitializationException ie) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, ie);
      }
      throw new DirectoryException(
          DirectoryServer.getServerErrorResultCode(), ie.getMessageObject());
    } catch (ConfigException ce) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, ce);
      }
      throw new DirectoryException(
          DirectoryServer.getServerErrorResultCode(), ce.getMessageObject());
    } finally {
      // leave the backend in the same state.
      try {
        if (rootContainer != null) {
          long startTime = System.currentTimeMillis();
          rootContainer.close();
          long finishTime = System.currentTimeMillis();
          long closeTime = (finishTime - startTime) / 1000;
          Message msg = NOTE_JEB_IMPORT_LDIF_ROOTCONTAINER_CLOSE.get(closeTime);
          logError(msg);
          rootContainer = null;
        }

        // Sync the environment to disk.
        if (debugEnabled()) {
          Message message = NOTE_JEB_IMPORT_CLOSING_DATABASE.get();
          TRACER.debugInfo(message.toString());
        }
      } catch (DatabaseException de) {
        if (debugEnabled()) {
          TRACER.debugCaught(DebugLogLevel.ERROR, de);
        }
      }
    }
  }
示例#7
0
  /** {@inheritDoc} */
  @Override()
  public void initializeBackend() throws ConfigException, InitializationException {
    // Checksum this db environment and register its offline state id/checksum.
    DirectoryServer.registerOfflineBackendStateID(this.getBackendID(), checksumDbEnv());

    if (rootContainer == null) {
      EnvironmentConfig envConfig = ConfigurableEnvironment.parseConfigEntry(cfg);
      rootContainer = initializeRootContainer(envConfig);
    }

    // Preload the database cache.
    rootContainer.preload(cfg.getPreloadTimeLimit());

    try {
      // Log an informational message about the number of entries.
      Message message =
          NOTE_JEB_BACKEND_STARTED.get(cfg.getBackendId(), rootContainer.getEntryCount());
      logError(message);
    } catch (DatabaseException databaseException) {
      if (debugEnabled()) {
        TRACER.debugCaught(DebugLogLevel.ERROR, databaseException);
      }
      Message message = WARN_JEB_GET_ENTRY_COUNT_FAILED.get(databaseException.getMessage());
      throw new InitializationException(message, databaseException);
    }

    for (DN dn : cfg.getBaseDN()) {
      try {
        DirectoryServer.registerBaseDN(dn, this, false);
      } catch (Exception e) {
        if (debugEnabled()) {
          TRACER.debugCaught(DebugLogLevel.ERROR, e);
        }

        Message message =
            ERR_BACKEND_CANNOT_REGISTER_BASEDN.get(String.valueOf(dn), String.valueOf(e));
        throw new InitializationException(message, e);
      }
    }

    // Register a monitor provider for the environment.
    rootContainerMonitor = rootContainer.getMonitorProvider();
    DirectoryServer.registerMonitorProvider(rootContainerMonitor);

    // Register as disk space monitor handler
    File parentDirectory = getFileForPath(cfg.getDBDirectory());
    File backendDirectory = new File(parentDirectory, cfg.getBackendId());
    diskMonitor =
        new DiskSpaceMonitor(
            getBackendID() + " backend",
            backendDirectory,
            cfg.getDiskLowThreshold(),
            cfg.getDiskFullThreshold(),
            5,
            TimeUnit.SECONDS,
            this);
    diskMonitor.initializeMonitorProvider(null);
    DirectoryServer.registerMonitorProvider(diskMonitor);

    // Register as an AlertGenerator.
    DirectoryServer.registerAlertGenerator(this);
    // Register this backend as a change listener.
    cfg.addLocalDBChangeListener(this);
  }
示例#8
0
 /**
  * Clears all the entries from the backend. This method is for test cases that use the JE backend.
  *
  * @throws ConfigException If an unrecoverable problem arises in the process of performing the
  *     initialization.
  * @throws JebException If an error occurs while removing the data.
  */
 public void clearBackend() throws ConfigException, JebException {
   // Determine the backend database directory.
   File parentDirectory = getFileForPath(cfg.getDBDirectory());
   File backendDirectory = new File(parentDirectory, cfg.getBackendId());
   EnvManager.removeFiles(backendDirectory.getPath());
 }