Examples with LinkedBlockingQueue java.util.concurrent.LinkedBlockingQueue used on opensource projects

Example 21 with LinkedBlockingQueue

use of java.util.concurrent.LinkedBlockingQueue in project hbase by apache.

the class ThriftServerRunner method setupServer.

/**
   * Setting up the thrift TServer
   */
private void setupServer() throws Exception {
    // Construct correct ProtocolFactory
    TProtocolFactory protocolFactory;
    if (conf.getBoolean(COMPACT_CONF_KEY, false)) {
        LOG.debug("Using compact protocol");
        protocolFactory = new TCompactProtocol.Factory();
    } else {
        LOG.debug("Using binary protocol");
        protocolFactory = new TBinaryProtocol.Factory();
    }
    final TProcessor p = new Hbase.Processor<>(handler);
    ImplType implType = ImplType.getServerImpl(conf);
    TProcessor processor = p;
    // Construct correct TransportFactory
    TTransportFactory transportFactory;
    if (conf.getBoolean(FRAMED_CONF_KEY, false) || implType.isAlwaysFramed) {
        if (qop != null) {
            throw new RuntimeException("Thrift server authentication" + " doesn't work with framed transport yet");
        }
        transportFactory = new TFramedTransport.Factory(conf.getInt(MAX_FRAME_SIZE_CONF_KEY, 2) * 1024 * 1024);
        LOG.debug("Using framed transport");
    } else if (qop == null) {
        transportFactory = new TTransportFactory();
    } else {
        // Extract the name from the principal
        String name = SecurityUtil.getUserFromPrincipal(conf.get("hbase.thrift.kerberos.principal"));
        Map<String, String> saslProperties = new HashMap<>();
        saslProperties.put(Sasl.QOP, qop);
        TSaslServerTransport.Factory saslFactory = new TSaslServerTransport.Factory();
        saslFactory.addServerDefinition("GSSAPI", name, host, saslProperties, new SaslGssCallbackHandler() {

            @Override
            public void handle(Callback[] callbacks) throws UnsupportedCallbackException {
                AuthorizeCallback ac = null;
                for (Callback callback : callbacks) {
                    if (callback instanceof AuthorizeCallback) {
                        ac = (AuthorizeCallback) callback;
                    } else {
                        throw new UnsupportedCallbackException(callback, "Unrecognized SASL GSSAPI Callback");
                    }
                }
                if (ac != null) {
                    String authid = ac.getAuthenticationID();
                    String authzid = ac.getAuthorizationID();
                    if (!authid.equals(authzid)) {
                        ac.setAuthorized(false);
                    } else {
                        ac.setAuthorized(true);
                        String userName = SecurityUtil.getUserFromPrincipal(authzid);
                        LOG.info("Effective user: " + userName);
                        ac.setAuthorizedID(userName);
                    }
                }
            }
        });
        transportFactory = saslFactory;
        // Create a processor wrapper, to get the caller
        processor = new TProcessor() {

            @Override
            public boolean process(TProtocol inProt, TProtocol outProt) throws TException {
                TSaslServerTransport saslServerTransport = (TSaslServerTransport) inProt.getTransport();
                SaslServer saslServer = saslServerTransport.getSaslServer();
                String principal = saslServer.getAuthorizationID();
                hbaseHandler.setEffectiveUser(principal);
                return p.process(inProt, outProt);
            }
        };
    }
    if (conf.get(BIND_CONF_KEY) != null && !implType.canSpecifyBindIP) {
        LOG.error("Server types " + Joiner.on(", ").join(ImplType.serversThatCannotSpecifyBindIP()) + " don't support IP " + "address binding at the moment. See " + "https://issues.apache.org/jira/browse/HBASE-2155 for details.");
        throw new RuntimeException("-" + BIND_CONF_KEY + " not supported with " + implType);
    }
    // Thrift's implementation uses '0' as a placeholder for 'use the default.'
    int backlog = conf.getInt(BACKLOG_CONF_KEY, 0);
    if (implType == ImplType.HS_HA || implType == ImplType.NONBLOCKING || implType == ImplType.THREADED_SELECTOR) {
        InetAddress listenAddress = getBindAddress(conf);
        TNonblockingServerTransport serverTransport = new TNonblockingServerSocket(new InetSocketAddress(listenAddress, listenPort));
        if (implType == ImplType.NONBLOCKING) {
            TNonblockingServer.Args serverArgs = new TNonblockingServer.Args(serverTransport);
            serverArgs.processor(processor).transportFactory(transportFactory).protocolFactory(protocolFactory);
            tserver = new TNonblockingServer(serverArgs);
        } else if (implType == ImplType.HS_HA) {
            THsHaServer.Args serverArgs = new THsHaServer.Args(serverTransport);
            CallQueue callQueue = new CallQueue(new LinkedBlockingQueue<>(), metrics);
            ExecutorService executorService = createExecutor(callQueue, serverArgs.getMaxWorkerThreads(), serverArgs.getMaxWorkerThreads());
            serverArgs.executorService(executorService).processor(processor).transportFactory(transportFactory).protocolFactory(protocolFactory);
            tserver = new THsHaServer(serverArgs);
        } else {
            // THREADED_SELECTOR
            TThreadedSelectorServer.Args serverArgs = new HThreadedSelectorServerArgs(serverTransport, conf);
            CallQueue callQueue = new CallQueue(new LinkedBlockingQueue<>(), metrics);
            ExecutorService executorService = createExecutor(callQueue, serverArgs.getWorkerThreads(), serverArgs.getWorkerThreads());
            serverArgs.executorService(executorService).processor(processor).transportFactory(transportFactory).protocolFactory(protocolFactory);
            tserver = new TThreadedSelectorServer(serverArgs);
        }
        LOG.info("starting HBase " + implType.simpleClassName() + " server on " + Integer.toString(listenPort));
    } else if (implType == ImplType.THREAD_POOL) {
        // Thread pool server. Get the IP address to bind to.
        InetAddress listenAddress = getBindAddress(conf);
        int readTimeout = conf.getInt(THRIFT_SERVER_SOCKET_READ_TIMEOUT_KEY, THRIFT_SERVER_SOCKET_READ_TIMEOUT_DEFAULT);
        TServerTransport serverTransport = new TServerSocket(new TServerSocket.ServerSocketTransportArgs().bindAddr(new InetSocketAddress(listenAddress, listenPort)).backlog(backlog).clientTimeout(readTimeout));
        TBoundedThreadPoolServer.Args serverArgs = new TBoundedThreadPoolServer.Args(serverTransport, conf);
        serverArgs.processor(processor).transportFactory(transportFactory).protocolFactory(protocolFactory);
        LOG.info("starting " + ImplType.THREAD_POOL.simpleClassName() + " on " + listenAddress + ":" + Integer.toString(listenPort) + " with readTimeout " + readTimeout + "ms; " + serverArgs);
        TBoundedThreadPoolServer tserver = new TBoundedThreadPoolServer(serverArgs, metrics);
        this.tserver = tserver;
    } else {
        throw new AssertionError("Unsupported Thrift server implementation: " + implType.simpleClassName());
    }
    // A sanity check that we instantiated the right type of server.
    if (tserver.getClass() != implType.serverClass) {
        throw new AssertionError("Expected to create Thrift server class " + implType.serverClass.getName() + " but got " + tserver.getClass().getName());
    }
    registerFilters(conf);
}

Example 22 with LinkedBlockingQueue

use of java.util.concurrent.LinkedBlockingQueue in project hbase by apache.

the class ThriftServer method createExecutor.

private static ExecutorService createExecutor(int workerThreads, int maxCallQueueSize, ThriftMetrics metrics) {
    CallQueue callQueue;
    if (maxCallQueueSize > 0) {
        callQueue = new CallQueue(new LinkedBlockingQueue<>(maxCallQueueSize), metrics);
    } else {
        callQueue = new CallQueue(new LinkedBlockingQueue<>(), metrics);
    }
    ThreadFactoryBuilder tfb = new ThreadFactoryBuilder();
    tfb.setDaemon(true);
    tfb.setNameFormat("thrift2-worker-%d");
    ThreadPoolExecutor pool = new THBaseThreadPoolExecutor(workerThreads, workerThreads, Long.MAX_VALUE, TimeUnit.SECONDS, callQueue, tfb.build(), metrics);
    pool.prestartAllCoreThreads();
    return pool;
}

Example 23 with LinkedBlockingQueue

use of java.util.concurrent.LinkedBlockingQueue in project tomcat by apache.

the class ContainerBase method reconfigureStartStopExecutor.

/*
     * Implementation note: If there is a demand for more control than this then
     * it is likely that the best solution will be to reference an external
     * executor.
     */
private void reconfigureStartStopExecutor(int threads) {
    if (threads == 1) {
        if (!(startStopExecutor instanceof InlineExecutorService)) {
            startStopExecutor = new InlineExecutorService();
        }
    } else {
        if (startStopExecutor instanceof ThreadPoolExecutor) {
            ((ThreadPoolExecutor) startStopExecutor).setMaximumPoolSize(threads);
            ((ThreadPoolExecutor) startStopExecutor).setCorePoolSize(threads);
        } else {
            BlockingQueue<Runnable> startStopQueue = new LinkedBlockingQueue<>();
            ThreadPoolExecutor tpe = new ThreadPoolExecutor(threads, threads, 10, TimeUnit.SECONDS, startStopQueue, new StartStopThreadFactory(getName() + "-startStop-"));
            tpe.allowCoreThreadTimeOut(true);
            startStopExecutor = tpe;
        }
    }
}

Example 24 with LinkedBlockingQueue

use of java.util.concurrent.LinkedBlockingQueue in project weave by continuuity.

the class ZKClientTest method testExpireRewatch.

@Test
public void testExpireRewatch() throws InterruptedException, IOException, ExecutionException {
    InMemoryZKServer zkServer = InMemoryZKServer.builder().setTickTime(1000).build();
    zkServer.startAndWait();
    try {
        final CountDownLatch expireReconnectLatch = new CountDownLatch(1);
        final AtomicBoolean expired = new AtomicBoolean(false);
        final ZKClientService client = ZKClientServices.delegate(ZKClients.reWatchOnExpire(ZKClientService.Builder.of(zkServer.getConnectionStr()).setSessionTimeout(2000).setConnectionWatcher(new Watcher() {

            @Override
            public void process(WatchedEvent event) {
                if (event.getState() == Event.KeeperState.Expired) {
                    expired.set(true);
                } else if (event.getState() == Event.KeeperState.SyncConnected && expired.compareAndSet(true, true)) {
                    expireReconnectLatch.countDown();
                }
            }
        }).build()));
        client.startAndWait();
        try {
            final BlockingQueue<Watcher.Event.EventType> events = new LinkedBlockingQueue<Watcher.Event.EventType>();
            client.exists("/expireRewatch", new Watcher() {

                @Override
                public void process(WatchedEvent event) {
                    client.exists("/expireRewatch", this);
                    events.add(event.getType());
                }
            });
            client.create("/expireRewatch", null, CreateMode.PERSISTENT);
            Assert.assertEquals(Watcher.Event.EventType.NodeCreated, events.poll(2, TimeUnit.SECONDS));
            KillZKSession.kill(client.getZooKeeperSupplier().get(), zkServer.getConnectionStr(), 1000);
            Assert.assertTrue(expireReconnectLatch.await(5, TimeUnit.SECONDS));
            client.delete("/expireRewatch");
            Assert.assertEquals(Watcher.Event.EventType.NodeDeleted, events.poll(4, TimeUnit.SECONDS));
        } finally {
            client.stopAndWait();
        }
    } finally {
        zkServer.stopAndWait();
    }
}

Example 25 with LinkedBlockingQueue

use of java.util.concurrent.LinkedBlockingQueue in project druid by druid-io.

the class DirectDruidClient method run.

@Override
public Sequence<T> run(final Query<T> query, final Map<String, Object> context) {
    QueryToolChest<T, Query<T>> toolChest = warehouse.getToolChest(query);
    boolean isBySegment = BaseQuery.getContextBySegment(query, false);
    Pair<JavaType, JavaType> types = typesMap.get(query.getClass());
    if (types == null) {
        final TypeFactory typeFactory = objectMapper.getTypeFactory();
        JavaType baseType = typeFactory.constructType(toolChest.getResultTypeReference());
        JavaType bySegmentType = typeFactory.constructParametricType(Result.class, typeFactory.constructParametricType(BySegmentResultValueClass.class, baseType));
        types = Pair.of(baseType, bySegmentType);
        typesMap.put(query.getClass(), types);
    }
    final JavaType typeRef;
    if (isBySegment) {
        typeRef = types.rhs;
    } else {
        typeRef = types.lhs;
    }
    final ListenableFuture<InputStream> future;
    final String url = String.format("http://%s/druid/v2/", host);
    final String cancelUrl = String.format("http://%s/druid/v2/%s", host, query.getId());
    try {
        log.debug("Querying queryId[%s] url[%s]", query.getId(), url);
        final long requestStartTime = System.currentTimeMillis();
        final ServiceMetricEvent.Builder builder = toolChest.makeMetricBuilder(query);
        builder.setDimension("server", host);
        final HttpResponseHandler<InputStream, InputStream> responseHandler = new HttpResponseHandler<InputStream, InputStream>() {

            private long responseStartTime;

            private final AtomicLong byteCount = new AtomicLong(0);

            private final BlockingQueue<InputStream> queue = new LinkedBlockingQueue<>();

            private final AtomicBoolean done = new AtomicBoolean(false);

            @Override
            public ClientResponse<InputStream> handleResponse(HttpResponse response) {
                log.debug("Initial response from url[%s] for queryId[%s]", url, query.getId());
                responseStartTime = System.currentTimeMillis();
                emitter.emit(builder.build("query/node/ttfb", responseStartTime - requestStartTime));
                try {
                    final String responseContext = response.headers().get("X-Druid-Response-Context");
                    // context may be null in case of error or query timeout
                    if (responseContext != null) {
                        context.putAll(objectMapper.<Map<String, Object>>readValue(responseContext, new TypeReference<Map<String, Object>>() {
                        }));
                    }
                    queue.put(new ChannelBufferInputStream(response.getContent()));
                } catch (final IOException e) {
                    log.error(e, "Error parsing response context from url [%s]", url);
                    return ClientResponse.<InputStream>finished(new InputStream() {

                        @Override
                        public int read() throws IOException {
                            throw e;
                        }
                    });
                } catch (InterruptedException e) {
                    log.error(e, "Queue appending interrupted");
                    Thread.currentThread().interrupt();
                    throw Throwables.propagate(e);
                }
                byteCount.addAndGet(response.getContent().readableBytes());
                return ClientResponse.<InputStream>finished(new SequenceInputStream(new Enumeration<InputStream>() {

                    @Override
                    public boolean hasMoreElements() {
                        // Then the stream should be spouting good InputStreams.
                        synchronized (done) {
                            return !done.get() || !queue.isEmpty();
                        }
                    }

                    @Override
                    public InputStream nextElement() {
                        try {
                            return queue.take();
                        } catch (InterruptedException e) {
                            Thread.currentThread().interrupt();
                            throw Throwables.propagate(e);
                        }
                    }
                }));
            }

            @Override
            public ClientResponse<InputStream> handleChunk(ClientResponse<InputStream> clientResponse, HttpChunk chunk) {
                final ChannelBuffer channelBuffer = chunk.getContent();
                final int bytes = channelBuffer.readableBytes();
                if (bytes > 0) {
                    try {
                        queue.put(new ChannelBufferInputStream(channelBuffer));
                    } catch (InterruptedException e) {
                        log.error(e, "Unable to put finalizing input stream into Sequence queue for url [%s]", url);
                        Thread.currentThread().interrupt();
                        throw Throwables.propagate(e);
                    }
                    byteCount.addAndGet(bytes);
                }
                return clientResponse;
            }

            @Override
            public ClientResponse<InputStream> done(ClientResponse<InputStream> clientResponse) {
                long stopTime = System.currentTimeMillis();
                log.debug("Completed queryId[%s] request to url[%s] with %,d bytes returned in %,d millis [%,f b/s].", query.getId(), url, byteCount.get(), stopTime - responseStartTime, byteCount.get() / (0.0001 * (stopTime - responseStartTime)));
                emitter.emit(builder.build("query/node/time", stopTime - requestStartTime));
                emitter.emit(builder.build("query/node/bytes", byteCount.get()));
                synchronized (done) {
                    try {
                        // An empty byte array is put at the end to give the SequenceInputStream.close() as something to close out
                        // after done is set to true, regardless of the rest of the stream's state.
                        queue.put(ByteSource.empty().openStream());
                    } catch (InterruptedException e) {
                        log.error(e, "Unable to put finalizing input stream into Sequence queue for url [%s]", url);
                        Thread.currentThread().interrupt();
                        throw Throwables.propagate(e);
                    } catch (IOException e) {
                        // This should never happen
                        throw Throwables.propagate(e);
                    } finally {
                        done.set(true);
                    }
                }
                return ClientResponse.<InputStream>finished(clientResponse.getObj());
            }

            @Override
            public void exceptionCaught(final ClientResponse<InputStream> clientResponse, final Throwable e) {
                // Don't wait for lock in case the lock had something to do with the error
                synchronized (done) {
                    done.set(true);
                    // Make a best effort to put a zero length buffer into the queue in case something is waiting on the take()
                    // If nothing is waiting on take(), this will be closed out anyways.
                    queue.offer(new InputStream() {

                        @Override
                        public int read() throws IOException {
                            throw new IOException(e);
                        }
                    });
                }
            }
        };
        future = httpClient.go(new Request(HttpMethod.POST, new URL(url)).setContent(objectMapper.writeValueAsBytes(query)).setHeader(HttpHeaders.Names.CONTENT_TYPE, isSmile ? SmileMediaTypes.APPLICATION_JACKSON_SMILE : MediaType.APPLICATION_JSON), responseHandler);
        queryWatcher.registerQuery(query, future);
        openConnections.getAndIncrement();
        Futures.addCallback(future, new FutureCallback<InputStream>() {

            @Override
            public void onSuccess(InputStream result) {
                openConnections.getAndDecrement();
            }

            @Override
            public void onFailure(Throwable t) {
                openConnections.getAndDecrement();
                if (future.isCancelled()) {
                    // forward the cancellation to underlying queriable node
                    try {
                        StatusResponseHolder res = httpClient.go(new Request(HttpMethod.DELETE, new URL(cancelUrl)).setContent(objectMapper.writeValueAsBytes(query)).setHeader(HttpHeaders.Names.CONTENT_TYPE, isSmile ? SmileMediaTypes.APPLICATION_JACKSON_SMILE : MediaType.APPLICATION_JSON), new StatusResponseHandler(Charsets.UTF_8)).get();
                        if (res.getStatus().getCode() >= 500) {
                            throw new RE("Error cancelling query[%s]: queriable node returned status[%d] [%s].", res.getStatus().getCode(), res.getStatus().getReasonPhrase());
                        }
                    } catch (IOException | ExecutionException | InterruptedException e) {
                        Throwables.propagate(e);
                    }
                }
            }
        });
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
    Sequence<T> retVal = new BaseSequence<>(new BaseSequence.IteratorMaker<T, JsonParserIterator<T>>() {

        @Override
        public JsonParserIterator<T> make() {
            return new JsonParserIterator<T>(typeRef, future, url);
        }

        @Override
        public void cleanup(JsonParserIterator<T> iterFromMake) {
            CloseQuietly.close(iterFromMake);
        }
    });
    // avoid the cost of de-serializing and then re-serializing again when adding to cache
    if (!isBySegment) {
        retVal = Sequences.map(retVal, toolChest.makePreComputeManipulatorFn(query, MetricManipulatorFns.deserializing()));
    }
    return retVal;
}