/** @param e Error. */
  void onError(Throwable e) {
    tx.commitError(e);

    if (err.compareAndSet(null, e)) {
      boolean marked = tx.setRollbackOnly();

      if (e instanceof GridCacheTxRollbackException) {
        if (marked) {
          try {
            tx.rollback();
          } catch (GridException ex) {
            U.error(log, "Failed to automatically rollback transaction: " + tx, ex);
          }
        }
      } else if (tx.implicit()
          && tx.isSystemInvalidate()) { // Finish implicit transaction on heuristic error.
        try {
          tx.close();
        } catch (GridException ex) {
          U.error(log, "Failed to invalidate transaction: " + tx, ex);
        }
      }

      onComplete();
    }
  }
Beispiel #2
0
  /**
   * Message received callback.
   *
   * @param src Sender node ID.
   * @param msg Received message.
   * @return {@code True}.
   */
  public boolean onMessageReceived(UUID src, GridHadoopMessage msg) {
    if (msg instanceof GridHadoopShuffleMessage) {
      GridHadoopShuffleMessage m = (GridHadoopShuffleMessage) msg;

      try {
        job(m.jobId()).onShuffleMessage(m);
      } catch (GridException e) {
        U.error(log, "Message handling failed.", e);
      }

      try {
        // Reply with ack.
        send0(src, new GridHadoopShuffleAck(m.id(), m.jobId()));
      } catch (GridException e) {
        U.error(
            log,
            "Failed to reply back to shuffle message sender [snd=" + src + ", msg=" + msg + ']',
            e);
      }
    } else if (msg instanceof GridHadoopShuffleAck) {
      GridHadoopShuffleAck m = (GridHadoopShuffleAck) msg;

      try {
        job(m.jobId()).onShuffleAck(m);
      } catch (GridException e) {
        U.error(log, "Message handling failed.", e);
      }
    } else
      throw new IllegalStateException(
          "Unknown message type received to Hadoop shuffle [src=" + src + ", msg=" + msg + ']');

    return true;
  }
  /**
   * Creates new HTTP requests handler.
   *
   * @param hnd Handler.
   * @param authChecker Authentication checking closure.
   * @param log Logger.
   */
  GridJettyRestHandler(
      GridRestProtocolHandler hnd, GridClosure<String, Boolean> authChecker, GridLogger log) {
    assert hnd != null;
    assert log != null;

    this.hnd = hnd;
    this.log = log;
    this.authChecker = authChecker;

    // Init default page and favicon.
    try {
      initDefaultPage();

      if (log.isDebugEnabled()) log.debug("Initialized default page.");
    } catch (IOException e) {
      U.warn(log, "Failed to initialize default page: " + e.getMessage());
    }

    try {
      initFavicon();

      if (log.isDebugEnabled())
        log.debug(
            favicon != null ? "Initialized favicon, size: " + favicon.length : "Favicon is null.");
    } catch (IOException e) {
      U.warn(log, "Failed to initialize favicon: " + e.getMessage());
    }
  }
  /** {@inheritDoc} */
  @Nullable
  @Override
  public Map<? extends GridComputeJob, GridNode> map(
      List<GridNode> subgrid, @Nullable GridBiTuple<Set<UUID>, A> arg) throws GridException {
    assert arg != null;
    assert arg.get1() != null;

    start = U.currentTimeMillis();

    boolean debug = debugState(g);

    if (debug) logStart(g.log(), getClass(), start);

    Set<UUID> nodeIds = arg.get1();

    Map<GridComputeJob, GridNode> map = U.newHashMap(nodeIds.size());

    try {
      taskArg = arg.get2();

      for (GridNode node : subgrid) if (nodeIds.contains(node.id())) map.put(job(taskArg), node);

      return map;
    } finally {
      if (debug) logMapped(g.log(), getClass(), map.values());
    }
  }
  /**
   * Processes unlock request.
   *
   * @param nodeId Sender node ID.
   * @param req Unlock request.
   */
  @SuppressWarnings({"unchecked"})
  private void processUnlockRequest(UUID nodeId, GridDistributedUnlockRequest req) {
    assert nodeId != null;

    try {
      ClassLoader ldr = ctx.deploy().globalLoader();
      List<byte[]> keys = req.keyBytes();

      for (byte[] keyBytes : keys) {
        K key = (K) U.unmarshal(ctx.marshaller(), new ByteArrayInputStream(keyBytes), ldr);

        while (true) {
          boolean created = false;

          GridDistributedCacheEntry<K, V> entry = peekexx(key);

          if (entry == null) {
            entry = entryexx(key);

            created = true;
          }

          try {
            entry.doneRemote(
                req.version(), req.version(), req.committedVersions(), req.rolledbackVersions());

            // Note that we don't reorder completed versions here,
            // as there is no point to reorder relative to the version
            // we are about to remove.
            if (entry.removeLock(req.version())) {
              if (log.isDebugEnabled())
                log.debug("Removed lock [lockId=" + req.version() + ", key=" + key + ']');

              if (created && entry.markObsolete(req.version())) removeIfObsolete(entry.key());
            } else if (log.isDebugEnabled())
              log.debug(
                  "Received unlock request for unknown candidate "
                      + "(added to cancelled locks set): "
                      + req);

            break;
          } catch (GridCacheEntryRemovedException ignored) {
            if (log.isDebugEnabled())
              log.debug(
                  "Received remove lock request for removed entry (will retry) [entry="
                      + entry
                      + ", req="
                      + req
                      + ']');
          }
        }
      }
    } catch (GridException e) {
      U.error(log, "Failed to unmarshal unlock key (unlock will not be performed): " + req, e);
    }
  }
  /** {@inheritDoc} */
  @Override
  public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    depEnabled = in.readBoolean();

    if (depEnabled) {
      topicBytes = U.readByteArray(in);
      predBytes = U.readByteArray(in);
      clsName = U.readString(in);
      depInfo = (GridDeploymentInfoBean) in.readObject();
    } else {
      topic = in.readObject();
      pred = (GridBiPredicate<UUID, Object>) in.readObject();
    }
  }
  /** {@inheritDoc} */
  @Override
  public void writeExternal(ObjectOutput out) throws IOException {
    out.writeBoolean(depEnabled);

    if (depEnabled) {
      U.writeByteArray(out, topicBytes);
      U.writeByteArray(out, predBytes);
      U.writeString(out, clsName);
      out.writeObject(depInfo);
    } else {
      out.writeObject(topic);
      out.writeObject(pred);
    }
  }
  /** {@inheritDoc} */
  @Override
  public void loadCache(GridBiInClosure<K, V> c, @Nullable Object... args) throws GridException {
    ExecutorService exec =
        new ThreadPoolExecutor(
            threadsCnt,
            threadsCnt,
            0L,
            MILLISECONDS,
            new ArrayBlockingQueue<Runnable>(batchQueueSize),
            new BlockingRejectedExecutionHandler());

    Iterator<I> iter = inputIterator(args);

    Collection<I> buf = new ArrayList<>(batchSize);

    try {
      while (iter.hasNext()) {
        if (Thread.currentThread().isInterrupted()) {
          U.warn(log, "Working thread was interrupted while loading data.");

          break;
        }

        buf.add(iter.next());

        if (buf.size() == batchSize) {
          exec.submit(new Worker(c, buf, args));

          buf = new ArrayList<>(batchSize);
        }
      }

      if (!buf.isEmpty()) exec.submit(new Worker(c, buf, args));
    } catch (RejectedExecutionException ignored) {
      // Because of custom RejectedExecutionHandler.
      assert false : "RejectedExecutionException was thrown while it shouldn't.";
    } finally {
      exec.shutdown();

      try {
        exec.awaitTermination(Long.MAX_VALUE, MILLISECONDS);
      } catch (InterruptedException ignored) {
        U.warn(log, "Working thread was interrupted while waiting for put operations to complete.");

        Thread.currentThread().interrupt();
      }
    }
  }
  /** Initializes future. */
  @SuppressWarnings({"unchecked"})
  void finish() {
    if (mappings != null) {
      finish(mappings.values());

      markInitialized();

      if (!isSync()) {
        boolean complete = true;

        for (GridFuture<?> f : pending())
          // Mini-future in non-sync mode gets done when message gets sent.
          if (isMini(f) && !f.isDone()) complete = false;

        if (complete) onComplete();
      }
    } else {
      assert !commit;

      try {
        tx.rollback();
      } catch (GridException e) {
        U.error(log, "Failed to rollback empty transaction: " + tx, e);
      }

      markInitialized();
    }
  }
  /**
   * Method cleans up all events that either outnumber queue size or exceeds time-to-live value. It
   * does none if someone else cleans up queue (lock is locked) or if there are queue readers
   * (readersNum > 0).
   */
  private void cleanupQueue() {
    long now = U.currentTimeMillis();

    long queueOversize = evts.sizex() - expireCnt;

    for (int i = 0; i < queueOversize && evts.sizex() > expireCnt; i++) {
      GridEvent expired = evts.poll();

      if (log.isDebugEnabled()) log.debug("Event expired by count: " + expired);
    }

    while (true) {
      ConcurrentLinkedDeque8.Node<GridEvent> node = evts.peekx();

      if (node == null) // Queue is empty.
      break;

      GridEvent evt = node.item();

      if (evt == null) // Competing with another thread.
      continue;

      if (now - evt.timestamp() < expireAgeMs) break;

      if (evts.unlinkx(node) && log.isDebugEnabled())
        log.debug("Event expired by age: " + node.item());
    }
  }
 /** Checks reversing. */
 private void checkReversing() {
   if (!keepGoing)
     U.warn(
         log,
         "Suspect logic - reversing listener return status (was 'true', then 'false', "
             + "now 'true' again).");
 }
  /** @return Nodes to execute on. */
  private Collection<GridNode> nodes() {
    GridCacheMode cacheMode = cctx.config().getCacheMode();

    switch (cacheMode) {
      case LOCAL:
        if (prj != null)
          U.warn(
              log,
              "Ignoring query projection because it's executed over LOCAL cache "
                  + "(only local node will be queried): "
                  + this);

        return Collections.singletonList(cctx.localNode());

      case REPLICATED:
        if (prj != null) return nodes(cctx, prj);

        GridCacheDistributionMode mode = cctx.config().getDistributionMode();

        return mode == PARTITIONED_ONLY || mode == NEAR_PARTITIONED
            ? Collections.singletonList(cctx.localNode())
            : Collections.singletonList(F.rand(nodes(cctx, null)));

      case PARTITIONED:
        return nodes(cctx, prj);

      default:
        throw new IllegalStateException("Unknown cache distribution mode: " + cacheMode);
    }
  }
  /** {@inheritDoc} */
  @Override
  public boolean onDone(GridCacheTx tx, Throwable err) {
    if ((initialized() || err != null) && super.onDone(tx, err)) {
      if (error() instanceof GridCacheTxHeuristicException) {
        long topVer = this.tx.topologyVersion();

        for (GridCacheTxEntry<K, V> e : this.tx.writeMap().values()) {
          try {
            if (e.op() != NOOP && !cctx.affinity().localNode(e.key(), topVer)) {
              GridCacheEntryEx<K, V> cacheEntry = cctx.cache().peekEx(e.key());

              if (cacheEntry != null) cacheEntry.invalidate(null, this.tx.xidVersion());
            }
          } catch (Throwable t) {
            U.error(log, "Failed to invalidate entry.", t);

            if (t instanceof Error) throw (Error) t;
          }
        }
      }

      // Don't forget to clean up.
      cctx.mvcc().removeFuture(this);

      return true;
    }

    return false;
  }
  /** {@inheritDoc} */
  @SuppressWarnings({"unchecked"})
  @Override
  public void listenAsync(@Nullable final GridInClosure<? super GridFuture<R>> lsnr) {
    if (lsnr != null) {
      checkValid();

      boolean done;

      synchronized (mux) {
        done = this.done;

        if (!done) lsnrs.add(lsnr);
      }

      if (done) {
        try {
          if (syncNotify) notifyListener(lsnr);
          else
            ctx.closure()
                .runLocalSafe(
                    new GPR() {
                      @Override
                      public void run() {
                        notifyListener(lsnr);
                      }
                    },
                    true);
        } catch (IllegalStateException ignore) {
          U.warn(
              null,
              "Future notification will not proceed because grid is stopped: " + ctx.gridName());
        }
      }
    }
  }
  /** @throws IOException If failed. */
  private void initFavicon() throws IOException {
    assert favicon == null;

    InputStream in = getClass().getResourceAsStream("favicon.ico");

    if (in != null) {
      BufferedInputStream bis = new BufferedInputStream(in);

      ByteArrayOutputStream bos = new ByteArrayOutputStream();

      try {
        byte[] buf = new byte[2048];

        while (true) {
          int n = bis.read(buf);

          if (n == -1) break;

          bos.write(buf, 0, n);
        }

        favicon = bos.toByteArray();
      } finally {
        U.closeQuiet(bis);
      }
    }
  }
  /**
   * @param nodeId Sender node ID.
   * @param msg Response to prepare request.
   */
  private void processPrepareResponse(UUID nodeId, GridDistributedTxPrepareResponse<K, V> msg) {
    assert nodeId != null;
    assert msg != null;

    GridReplicatedTxLocal<K, V> tx = ctx.tm().tx(msg.version());

    if (tx == null) {
      if (log.isDebugEnabled())
        log.debug(
            "Received prepare response for non-existing transaction [senderNodeId="
                + nodeId
                + ", res="
                + msg
                + ']');

      return;
    }

    GridReplicatedTxPrepareFuture<K, V> future = (GridReplicatedTxPrepareFuture<K, V>) tx.future();

    if (future != null) future.onResult(nodeId, msg);
    else
      U.error(
          log,
          "Received prepare response for transaction with no future [res="
              + msg
              + ", tx="
              + tx
              + ']');
  }
  /**
   * @param nodeId Sender node ID.
   * @param msg Finish transaction response.
   */
  private void processFinishResponse(UUID nodeId, GridDistributedTxFinishResponse<K, V> msg) {
    GridReplicatedTxCommitFuture<K, V> fut =
        (GridReplicatedTxCommitFuture<K, V>)
            ctx.mvcc().<GridCacheTx>future(msg.xid().id(), msg.futureId());

    if (fut != null) fut.onResult(nodeId);
    else U.warn(log, "Received finish response for unknown transaction: " + msg);
  }
  /** {@inheritDoc} */
  @Override
  public void writeExternal(ObjectOutput out) throws IOException {
    super.writeExternal(out);

    out.writeLong(topVer);
    out.writeBoolean(implicitTx);
    out.writeBoolean(implicitSingleTx);
    out.writeBoolean(syncCommit);
    out.writeBoolean(syncRollback);
    out.writeObject(filterBytes);

    U.writeArray(out, dhtVers);

    assert miniId != null;

    U.writeGridUuid(out, miniId);
  }
 /**
  * @param bytes Bytes to unmarshal.
  * @param ldr Class loader.
  * @param <T> Type to unmarshal.
  * @return Unmarshalled value.
  * @throws GridException If unmarshal failed.
  */
 @SuppressWarnings({"unchecked", "TypeMayBeWeakened"})
 private <T> T unmarshal(GridSwapByteArray bytes, ClassLoader ldr) throws GridException {
   return (T)
       U.unmarshal(
           cctx.marshaller(),
           new ByteArrayInputStream(bytes.getArray(), bytes.getOffset(), bytes.getLength()),
           ldr);
 }
  /** {@inheritDoc} */
  @Override
  public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    super.readExternal(in);

    topVer = in.readLong();
    implicitTx = in.readBoolean();
    implicitSingleTx = in.readBoolean();
    syncCommit = in.readBoolean();
    syncRollback = in.readBoolean();
    filterBytes = (byte[][]) in.readObject();

    dhtVers = U.readArray(in, CU.versionArrayFactory());

    miniId = U.readGridUuid(in);

    assert miniId != null;
  }
  /**
   * Reconstructs object on demarshalling.
   *
   * @return Reconstructed object.
   * @throws ObjectStreamException Thrown in case of demarshalling error.
   */
  private Object readResolve() throws ObjectStreamException {
    GridTuple2<GridCacheContext, String> t = stash.get();

    try {
      return t.get1().dataStructures().sequence(t.get2(), 0L, false, false);
    } catch (GridException e) {
      throw U.withCause(new InvalidObjectException(e.getMessage()), e);
    }
  }
Beispiel #22
0
  /**
   * @param nodeId Sender.
   * @param res Result.
   */
  void onResult(UUID nodeId, GridNearLockResponse<K, V> res) {
    if (!isDone()) {
      if (log.isDebugEnabled())
        log.debug(
            "Received lock response from node [nodeId="
                + nodeId
                + ", res="
                + res
                + ", fut="
                + this
                + ']');

      for (GridFuture<Boolean> fut : pending()) {
        if (isMini(fut)) {
          MiniFuture mini = (MiniFuture) fut;

          if (mini.futureId().equals(res.miniId())) {
            assert mini.node().id().equals(nodeId);

            if (log.isDebugEnabled())
              log.debug("Found mini future for response [mini=" + mini + ", res=" + res + ']');

            mini.onResult(res);

            if (log.isDebugEnabled())
              log.debug(
                  "Future after processed lock response [fut="
                      + this
                      + ", mini="
                      + mini
                      + ", res="
                      + res
                      + ']');

            return;
          }
        }
      }

      U.warn(
          log,
          "Failed to find mini future for response (perhaps due to stale message) [res="
              + res
              + ", fut="
              + this
              + ']');
    } else if (log.isDebugEnabled())
      log.debug(
          "Ignoring lock response from node (future is done) [nodeId="
              + nodeId
              + ", res="
              + res
              + ", fut="
              + this
              + ']');
  }
  /**
   * Removes locks regardless of whether they are owned or not for given version and keys.
   *
   * @param ver Lock version.
   * @param keys Keys.
   */
  @SuppressWarnings({"unchecked"})
  public void removeLocks(GridCacheVersion ver, Collection<? extends K> keys) {
    if (keys.isEmpty()) return;

    Collection<GridRichNode> nodes = ctx.remoteNodes(keys);

    try {
      // Send request to remove from remote nodes.
      GridDistributedUnlockRequest<K, V> req = new GridDistributedUnlockRequest<K, V>(keys.size());

      req.version(ver);

      for (K key : keys) {
        while (true) {
          GridDistributedCacheEntry<K, V> entry = peekexx(key);

          try {
            if (entry != null) {
              GridCacheMvccCandidate<K> cand = entry.candidate(ver);

              if (cand != null) {
                // Remove candidate from local node first.
                if (entry.removeLock(cand.version())) {
                  // If there is only local node in this lock's topology,
                  // then there is no reason to distribute the request.
                  if (nodes.isEmpty()) continue;

                  req.addKey(entry.key(), entry.getOrMarshalKeyBytes(), ctx);
                }
              }
            }

            break;
          } catch (GridCacheEntryRemovedException ignored) {
            if (log.isDebugEnabled())
              log.debug(
                  "Attempted to remove lock from removed entry (will retry) [rmvVer="
                      + ver
                      + ", entry="
                      + entry
                      + ']');
          }
        }
      }

      if (nodes.isEmpty()) return;

      req.completedVersions(ctx.tm().committedVersions(ver), ctx.tm().rolledbackVersions(ver));

      if (!req.keyBytes().isEmpty())
        // We don't wait for reply to this message.
        ctx.io().safeSend(nodes, req, null);
    } catch (GridException ex) {
      U.error(log, "Failed to unlock the lock for keys: " + keys, ex);
    }
  }
  /**
   * Reconstructs object on demarshalling.
   *
   * @return Reconstructed object.
   * @throws ObjectStreamException Thrown in case of demarshalling error.
   */
  @SuppressWarnings({"ConstantConditions"})
  private Object readResolve() throws ObjectStreamException {
    GridTuple2<GridCacheContext, String> t = stash.get();

    try {
      return t.get1().dataStructures().countDownLatch(t.get2(), 0, false, false);
    } catch (GridException e) {
      throw U.withCause(new InvalidObjectException(e.getMessage()), e);
    }
  }
    /** {@inheritDoc} */
    @Override
    public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
      try {
        if (executor.isShutdown()) throw new RejectedExecutionException();
        else executor.getQueue().put(r);
      } catch (InterruptedException ignored) {
        U.warn(log, "Working thread was interrupted while loading data.");

        Thread.currentThread().interrupt();
      }
    }
Beispiel #26
0
  /** @param jobId Job id. */
  public void jobFinished(GridHadoopJobId jobId) {
    GridHadoopShuffleJob job = jobs.remove(jobId);

    if (job != null) {
      try {
        job.close();
      } catch (GridException e) {
        U.error(log, "Failed to close job: " + jobId, e);
      }
    }
  }
Beispiel #27
0
  /**
   * Stops shuffle.
   *
   * @param cancel If should cancel all ongoing activities.
   */
  @Override
  public void stop(boolean cancel) {
    for (GridHadoopShuffleJob job : jobs.values()) {
      try {
        job.close();
      } catch (GridException e) {
        U.error(log, "Failed to close job.", e);
      }
    }

    jobs.clear();
  }
  /**
   * Reconstructs object on demarshalling.
   *
   * @return Reconstructed object.
   * @throws ObjectStreamException Thrown in case of demarshalling error.
   */
  @SuppressWarnings("unchecked")
  private Object readResolve() throws ObjectStreamException {
    try {
      GridBiTuple<GridCacheContext, String> t = stash.get();

      return t.get1().dataStructures().atomicReference(t.get2(), null, false);
    } catch (GridException e) {
      throw U.withCause(new InvalidObjectException(e.getMessage()), e);
    } finally {
      stash.remove();
    }
  }
  /**
   * Flushes every internal buffer if buffer was flushed before passed in threshold.
   *
   * <p>Does not wait for result and does not fail on errors assuming that this method should be
   * called periodically.
   */
  @Override
  public void tryFlush() throws GridInterruptedException {
    if (!busyLock.enterBusy()) return;

    try {
      for (Buffer buf : bufMappings.values()) buf.flush();

      lastFlushTime = U.currentTimeMillis();
    } finally {
      leaveBusy();
    }
  }
  /**
   * Adds new participant to deployment.
   *
   * @param dep Shared deployment.
   * @param meta Request metadata.
   * @return {@code True} if participant was added.
   */
  private boolean addParticipant(SharedDeployment dep, GridDeploymentMetadata meta) {
    assert dep != null;
    assert meta != null;

    assert Thread.holdsLock(mux);

    if (!checkModeMatch(dep, meta)) return false;

    if (meta.participants() != null) {
      for (Map.Entry<UUID, GridTuple2<GridUuid, Long>> e : meta.participants().entrySet()) {
        dep.addParticipant(e.getKey(), e.getValue().get1(), e.getValue().get2());

        if (log.isDebugEnabled())
          log.debug(
              "Added new participant [nodeId="
                  + e.getKey()
                  + ", clsLdrId="
                  + e.getValue().get1()
                  + ", seqNum="
                  + e.getValue().get2()
                  + ']');
      }
    }

    if (dep.deployMode() == CONTINUOUS || meta.participants() == null) {
      if (!dep.addParticipant(meta.senderNodeId(), meta.classLoaderId(), meta.sequenceNumber())) {
        U.warn(
            log,
            "Failed to create shared mode deployment "
                + "(requested class loader was already undeployed, did sender node leave grid?) "
                + "[clsLdrId="
                + meta.classLoaderId()
                + ", senderNodeId="
                + meta.senderNodeId()
                + ']');

        return false;
      }

      if (log.isDebugEnabled())
        log.debug(
            "Added new participant [nodeId="
                + meta.senderNodeId()
                + ", clsLdrId="
                + meta.classLoaderId()
                + ", seqNum="
                + meta.sequenceNumber()
                + ']');
    }

    return true;
  }