Exemplo n.º 1
0
  /**
   * Creates query plans.
   *
   * @param comp compiled flag
   */
  private void plan(final boolean comp) {
    if (comp != options.get(MainOptions.COMPPLAN)) return;

    // show dot plan
    try {
      if (options.get(MainOptions.DOTPLAN)) {
        final String path = options.get(MainOptions.QUERYPATH);
        final String dot =
            path.isEmpty() ? "plan.dot" : new IOFile(path).name().replaceAll("\\..*?$", ".dot");

        try (final BufferOutput bo = new BufferOutput(dot)) {
          try (final DOTSerializer d = new DOTSerializer(bo, options.get(MainOptions.DOTCOMPACT))) {
            d.serialize(qp.plan());
          }
        }
      }

      // show XML plan
      if (options.get(MainOptions.XMLPLAN)) {
        info(NL + QUERY_PLAN + COL);
        info(qp.plan().serialize().toString());
      }
    } catch (final Exception ex) {
      Util.stack(ex);
    }
  }
Exemplo n.º 2
0
 /**
  * Returns the image url.
  *
  * @param name name of image
  * @return url
  */
 private static URL url(final String name) {
   final String path = "/img/" + name + ".png";
   URL url = BaseXImages.class.getResource(path);
   if (url == null) {
     Util.stack("Image not found: " + path);
     url = BaseXImages.class.getResource("/img/warn.png");
   }
   return url;
 }
Exemplo n.º 3
0
 /**
  * Set desktop hints (not supported by all platforms).
  *
  * @param g graphics reference
  */
 public static void hints(final Graphics g) {
   if (HINTS != null && hints) {
     try {
       ((Graphics2D) g).addRenderingHints(HINTS);
     } catch (final Exception ex) {
       Util.stack(ex);
       hints = false;
     }
   }
 }
Exemplo n.º 4
0
 @Override
 public boolean lock(final boolean lock) {
   try {
     if (lock) {
       if (exclusiveLock()) return true;
       if (sharedLock()) return false;
     } else {
       if (sharedLock()) return true;
     }
   } catch (final IOException ex) {
     Util.stack(ex);
   }
   throw Util.notExpected((lock ? "Exclusive" : "Shared") + " lock could not be acquired.");
 }
Exemplo n.º 5
0
 @Override
 public synchronized void flush(final boolean all) {
   try {
     table.flush(all);
     if (all) {
       write();
       texts.flush();
       values.flush();
       if (textIndex != null) ((DiskValues) textIndex).flush();
       if (attrIndex != null) ((DiskValues) attrIndex).flush();
     }
   } catch (final IOException ex) {
     Util.stack(ex);
   }
 }
Exemplo n.º 6
0
 /**
  * Returns the contents of the specified transferable.
  *
  * @param tr transferable
  * @return contents
  */
 @SuppressWarnings("unchecked")
 public static ArrayList<Object> contents(final Transferable tr) {
   final ArrayList<Object> list = new ArrayList<>();
   try {
     if (tr.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
       for (final File fl : (List<File>) tr.getTransferData(DataFlavor.javaFileListFlavor))
         list.add(fl);
     } else if (tr.isDataFlavorSupported(DataFlavor.stringFlavor)) {
       list.add(tr.getTransferData(DataFlavor.stringFlavor));
     }
   } catch (final Exception ex) {
     Util.stack(ex);
   }
   return list;
 }
Exemplo n.º 7
0
 @Override
 public synchronized void close() {
   if (closed) return;
   closed = true;
   try {
     write();
     table.close();
     texts.close();
     values.close();
     close(IndexType.TEXT);
     close(IndexType.ATTRIBUTE);
     close(IndexType.FULLTEXT);
   } catch (final IOException ex) {
     Util.stack(ex);
   }
 }
Exemplo n.º 8
0
  /**
   * Reads a block from disk.
   *
   * @param b block to fetch
   */
  private void readBlock(final int b) {
    if (!bm.cursor(b)) return;

    final Buffer bf = bm.current();
    try {
      if (bf.dirty) writeBlock(bf);
      bf.pos = b;
      if (b >= blocks) {
        blocks = b + 1;
      } else {
        file.seek(bf.pos * IO.BLOCKSIZE);
        file.readFully(bf.data);
      }
    } catch (final IOException ex) {
      Util.stack(ex);
    }
  }
Exemplo n.º 9
0
  @Override
  protected void quit() throws IOException {
    if (!running) return;
    running = false;
    for (final ClientListener cs : context.sessions) cs.quit();
    super.quit();
    context.close();

    try {
      // close interactive input if server was stopped by another process
      if (console) System.in.close();
      esocket.close();
      socket.close();
    } catch (final IOException ex) {
      log.write(ex.getMessage());
      Util.stack(ex);
    }
    console = false;
  }
Exemplo n.º 10
0
  /** Exits the session. */
  public synchronized void quit() {
    running = false;
    if (log != null) log.write(this, "LOGOUT " + context.user.name, OK);

    // wait until running command was stopped
    if (command != null) {
      command.stop();
      while (command != null) Performance.sleep(50);
    }
    context.delete(this);

    try {
      new Close().execute(context);
      socket.close();
      if (events) {
        esocket.close();
        // remove this session from all events in pool
        for (final Sessions s : context.events.values()) s.remove(this);
      }
    } catch (final Exception ex) {
      if (log != null) log.write(ex.getMessage());
      Util.stack(ex);
    }
  }
Exemplo n.º 11
0
 /**
  * Prints the exception stack trace if the {@link Prop#debug} flag is set.
  *
  * @param ex exception
  */
 public static void debug(final Throwable ex) {
   if (Prop.debug && ex != null) stack(ex);
 }
Exemplo n.º 12
0
  @Override
  public void run() {
    // initialize the session via cram-md5 authentication
    try {
      final String ts = Long.toString(System.nanoTime());
      final byte[] address = socket.getInetAddress().getAddress();

      // send {TIMESTAMP}0
      out = PrintOutput.get(socket.getOutputStream());
      out.print(ts);
      send(true);

      // evaluate login data
      in = new BufferInput(socket.getInputStream());
      // receive {USER}0{PASSWORD}0
      final String us = in.readString();
      final String pw = in.readString();
      context.user = context.users.get(us);
      running = context.user != null && md5(string(context.user.password) + ts).equals(pw);

      // write log information
      if (running) {
        log.write(this, "LOGIN " + context.user.name, OK);
        // send {OK}
        send(true);
        server.unblock(address);
        context.add(this);
      } else {
        if (!us.isEmpty()) log.write(this, ACCESS_DENIED + COLS + us);
        new ClientDelayer(server.block(address), this, server).start();
      }
    } catch (final IOException ex) {
      Util.stack(ex);
      log.write(ex.getMessage());
      return;
    }
    if (!running) return;

    // authentification done, start command loop
    ServerCmd sc = null;
    String cmd = null;

    try {
      while (running) {
        command = null;
        try {
          final int b = in.read();
          if (b == -1) {
            // end of stream: exit session
            quit();
            break;
          }

          last = System.currentTimeMillis();
          perf.time();
          sc = ServerCmd.get(b);
          cmd = null;
          if (sc == ServerCmd.CREATE) {
            create();
          } else if (sc == ServerCmd.ADD) {
            add();
          } else if (sc == ServerCmd.WATCH) {
            watch();
          } else if (sc == ServerCmd.UNWATCH) {
            unwatch();
          } else if (sc == ServerCmd.REPLACE) {
            replace();
          } else if (sc == ServerCmd.STORE) {
            store();
          } else if (sc != ServerCmd.COMMAND) {
            query(sc);
          } else {
            // database command
            cmd = new ByteList().add(b).add(in.readBytes()).toString();
          }
        } catch (final IOException ex) {
          // this exception may be thrown if a session is stopped
          quit();
          break;
        }
        if (sc != ServerCmd.COMMAND) continue;

        // parse input and create command instance
        try {
          command = new CommandParser(cmd, context).parseSingle();
        } catch (final QueryException ex) {
          // log invalid command
          final String msg = ex.getMessage();
          log.write(this, cmd, ERROR_C + msg);
          // send 0 to mark end of potential result
          out.write(0);
          // send {INFO}0
          out.writeString(msg);
          // send 1 to mark error
          send(false);
          continue;
        }

        // start timeout
        command.startTimeout(context.mprop.num(MainProp.TIMEOUT));
        log.write(this, command.toString().replace('\r', ' ').replace('\n', ' '));

        // execute command and send {RESULT}
        boolean ok = true;
        String info;
        try {
          command.execute(context, new EncodingOutput(out));
          info = command.info();
        } catch (final BaseXException ex) {
          ok = false;
          info = ex.getMessage();
          if (info.startsWith(INTERRUPTED)) info = TIMEOUT_EXCEEDED;
        }
        // stop timeout
        command.stopTimeout();

        // send 0 to mark end of result
        out.write(0);
        // send info
        info(info, ok);

        // stop console
        if (command instanceof Exit) {
          command = null;
          quit();
        }
      }
    } catch (final IOException ex) {
      log.write(this, sc == ServerCmd.COMMAND ? cmd : sc, ERROR_C + ex.getMessage());
      Util.debug(ex);
      command = null;
      quit();
    }
    command = null;
  }