Examples with PagedMessage org.apache.activemq.artemis.core.paging.PagedMessage used on opensource projects

Example 1 with PagedMessage

use of org.apache.activemq.artemis.core.paging.PagedMessage in project activemq-artemis by apache.

the class PagedReferenceImpl method getPagedMessage.

@Override
public synchronized PagedMessage getPagedMessage() {
    PagedMessage returnMessage = message != null ? message.get() : null;
    // unless the Queue has stalled for some time after paging
    if (returnMessage == null) {
        // reference is gone, we will reconstruct it
        returnMessage = subscription.queryMessage(position);
        message = new WeakReference<>(returnMessage);
    }
    return returnMessage;
}

Example 2 with PagedMessage

use of org.apache.activemq.artemis.core.paging.PagedMessage in project activemq-artemis by apache.

the class Page method delete.

public boolean delete(final PagedMessage[] messages) throws Exception {
    if (storageManager != null) {
        storageManager.pageDeleted(storeName, pageId);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Deleting pageNr=" + pageId + " on store " + storeName);
    }
    if (messages != null) {
        for (PagedMessage msg : messages) {
            if (msg.getMessage() instanceof ICoreMessage && (msg.getMessage()).isLargeMessage()) {
                LargeServerMessage lmsg = (LargeServerMessage) msg.getMessage();
                // Remember, cannot call delete directly here
                // Because the large-message may be linked to another message
                // or it may still being delivered even though it has been acked already
                lmsg.decrementDelayDeletionCount();
            }
        }
    }
    try {
        if (suspiciousRecords) {
            ActiveMQServerLogger.LOGGER.pageInvalid(file.getFileName(), file.getFileName());
            file.renameTo(file.getFileName() + ".invalidPage");
        } else {
            file.delete();
        }
        return true;
    } catch (Exception e) {
        ActiveMQServerLogger.LOGGER.pageDeleteError(e);
        return false;
    }
}

Example 3 with PagedMessage

use of org.apache.activemq.artemis.core.paging.PagedMessage in project activemq-artemis by apache.

the class PageCursorProviderImpl method readPage.

private void readPage(int pageId, PageCache cache) throws Exception {
    Page page = null;
    try {
        page = pagingStore.createPage(pageId);
        storageManager.beforePageRead();
        page.open();
        List<PagedMessage> pgdMessages = page.read(storageManager);
        cache.setMessages(pgdMessages.toArray(new PagedMessage[pgdMessages.size()]));
    } finally {
        try {
            if (page != null) {
                page.close(false);
            }
        } catch (Throwable ignored) {
        }
        storageManager.afterPageRead();
    }
}

Example 4 with PagedMessage

use of org.apache.activemq.artemis.core.paging.PagedMessage in project activemq-artemis by apache.

the class XmlDataExporter method printPagedMessagesAsXML.

/**
 * Reads from the page files and prints messages as it finds them (making sure to check acks and transactions
 * from the journal).
 */
private void printPagedMessagesAsXML() {
    try {
        pagingmanager.start();
        SimpleString[] stores = pagingmanager.getStoreNames();
        for (SimpleString store : stores) {
            PagingStore pageStore = pagingmanager.getPageStore(store);
            if (pageStore != null) {
                File folder = pageStore.getFolder();
                ActiveMQServerLogger.LOGGER.debug("Reading page store " + store + " folder = " + folder);
                int pageId = (int) pageStore.getFirstPage();
                for (int i = 0; i < pageStore.getNumberOfPages(); i++) {
                    ActiveMQServerLogger.LOGGER.debug("Reading page " + pageId);
                    Page page = pageStore.createPage(pageId);
                    page.open();
                    List<PagedMessage> messages = page.read(storageManager);
                    page.close();
                    int messageId = 0;
                    for (PagedMessage message : messages) {
                        message.initMessage(storageManager);
                        long[] queueIDs = message.getQueueIDs();
                        List<String> queueNames = new ArrayList<>();
                        for (long queueID : queueIDs) {
                            PagePosition posCheck = new PagePositionImpl(pageId, messageId);
                            boolean acked = false;
                            Set<PagePosition> positions = cursorRecords.get(queueID);
                            if (positions != null) {
                                acked = positions.contains(posCheck);
                            }
                            if (!acked) {
                                PersistentQueueBindingEncoding queueBinding = queueBindings.get(queueID);
                                if (queueBinding != null) {
                                    SimpleString queueName = queueBinding.getQueueName();
                                    queueNames.add(queueName.toString());
                                }
                            }
                        }
                        if (queueNames.size() > 0 && (message.getTransactionID() == -1 || pgTXs.contains(message.getTransactionID()))) {
                            printSingleMessageAsXML(message.getMessage().toCore(), queueNames);
                        }
                        messageId++;
                    }
                    pageId++;
                }
            } else {
                ActiveMQServerLogger.LOGGER.debug("Page store was null");
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 5 with PagedMessage

use of org.apache.activemq.artemis.core.paging.PagedMessage in project activemq-artemis by apache.

the class PagingStoreImplTest method testConcurrentPaging.

protected void testConcurrentPaging(final SequentialFileFactory factory, final int numberOfThreads) throws Exception {
    PagingStoreFactory storeFactory = new FakeStoreFactory(factory);
    final int MAX_SIZE = 1024 * 10;
    final AtomicLong messageIdGenerator = new AtomicLong(0);
    final AtomicInteger aliveProducers = new AtomicInteger(numberOfThreads);
    final CountDownLatch latchStart = new CountDownLatch(numberOfThreads);
    final ConcurrentHashMap<Long, Message> buffers = new ConcurrentHashMap<>();
    final ArrayList<Page> readPages = new ArrayList<>();
    AddressSettings settings = new AddressSettings().setPageSizeBytes(MAX_SIZE).setAddressFullMessagePolicy(AddressFullMessagePolicy.PAGE);
    final PagingStore storeImpl = new PagingStoreImpl(PagingStoreImplTest.destinationTestName, null, 100, createMockManager(), createStorageManagerMock(), factory, storeFactory, new SimpleString("test"), settings, getExecutorFactory().getExecutor(), true);
    storeImpl.start();
    Assert.assertEquals(0, storeImpl.getNumberOfPages());
    // Marked the store to be paged
    storeImpl.startPaging();
    Assert.assertEquals(1, storeImpl.getNumberOfPages());
    final SimpleString destination = new SimpleString("test");
    class WriterThread extends Thread {

        Exception e;

        @Override
        public void run() {
            try {
                boolean firstTime = true;
                while (true) {
                    long id = messageIdGenerator.incrementAndGet();
                    // Each thread will Keep paging until all the messages are depaged.
                    // This is possible because the depage thread is not actually reading the pages.
                    // Just using the internal API to remove it from the page file system
                    Message msg = createMessage(id, storeImpl, destination, createRandomBuffer(id, 5));
                    final RoutingContextImpl ctx2 = new RoutingContextImpl(null);
                    if (storeImpl.page(msg, ctx2.getTransaction(), ctx2.getContextListing(storeImpl.getStoreName()), lock)) {
                        buffers.put(id, msg);
                    } else {
                        break;
                    }
                    if (firstTime) {
                        // We have at least one data paged. So, we can start depaging now
                        latchStart.countDown();
                        firstTime = false;
                    }
                }
            } catch (Exception e1) {
                e1.printStackTrace();
                this.e = e1;
            } finally {
                aliveProducers.decrementAndGet();
            }
        }
    }
    final class ReaderThread extends Thread {

        Exception e;

        @Override
        public void run() {
            try {
                // Wait every producer to produce at least one message
                ActiveMQTestBase.waitForLatch(latchStart);
                while (aliveProducers.get() > 0) {
                    Page page = storeImpl.depage();
                    if (page != null) {
                        readPages.add(page);
                    }
                }
            } catch (Exception e1) {
                e1.printStackTrace();
                this.e = e1;
            }
        }
    }
    WriterThread[] producerThread = new WriterThread[numberOfThreads];
    for (int i = 0; i < numberOfThreads; i++) {
        producerThread[i] = new WriterThread();
        producerThread[i].start();
    }
    ReaderThread consumer = new ReaderThread();
    consumer.start();
    for (int i = 0; i < numberOfThreads; i++) {
        producerThread[i].join();
        if (producerThread[i].e != null) {
            throw producerThread[i].e;
        }
    }
    consumer.join();
    if (consumer.e != null) {
        throw consumer.e;
    }
    final ConcurrentMap<Long, Message> buffers2 = new ConcurrentHashMap<>();
    for (Page page : readPages) {
        page.open();
        List<PagedMessage> msgs = page.read(new NullStorageManager());
        page.close();
        for (PagedMessage msg : msgs) {
            long id = msg.getMessage().toCore().getBodyBuffer().readLong();
            msg.getMessage().toCore().getBodyBuffer().resetReaderIndex();
            Message msgWritten = buffers.remove(id);
            buffers2.put(id, msg.getMessage());
            Assert.assertNotNull(msgWritten);
            Assert.assertEquals(msg.getMessage().getAddress(), msgWritten.getAddress());
            ActiveMQTestBase.assertEqualsBuffers(10, msgWritten.toCore().getBodyBuffer(), msg.getMessage().toCore().getBodyBuffer());
        }
    }
    Assert.assertEquals(0, buffers.size());
    List<String> files = factory.listFiles("page");
    Assert.assertTrue(files.size() != 0);
    for (String file : files) {
        SequentialFile fileTmp = factory.createSequentialFile(file);
        fileTmp.open();
        Assert.assertTrue("The page file size (" + fileTmp.size() + ") shouldn't be > " + MAX_SIZE, fileTmp.size() <= MAX_SIZE);
        fileTmp.close();
    }
    PagingStore storeImpl2 = new PagingStoreImpl(PagingStoreImplTest.destinationTestName, null, 100, createMockManager(), createStorageManagerMock(), factory, storeFactory, new SimpleString("test"), settings, getExecutorFactory().getExecutor(), true);
    storeImpl2.start();
    int numberOfPages = storeImpl2.getNumberOfPages();
    Assert.assertTrue(numberOfPages != 0);
    storeImpl2.startPaging();
    storeImpl2.startPaging();
    Assert.assertEquals(numberOfPages, storeImpl2.getNumberOfPages());
    long lastMessageId = messageIdGenerator.incrementAndGet();
    Message lastMsg = createMessage(lastMessageId, storeImpl, destination, createRandomBuffer(lastMessageId, 5));
    storeImpl2.forceAnotherPage();
    final RoutingContextImpl ctx = new RoutingContextImpl(null);
    storeImpl2.page(lastMsg, ctx.getTransaction(), ctx.getContextListing(storeImpl2.getStoreName()), lock);
    buffers2.put(lastMessageId, lastMsg);
    Page lastPage = null;
    while (true) {
        Page page = storeImpl2.depage();
        if (page == null) {
            break;
        }
        lastPage = page;
        page.open();
        List<PagedMessage> msgs = page.read(new NullStorageManager());
        page.close();
        for (PagedMessage msg : msgs) {
            long id = msg.getMessage().toCore().getBodyBuffer().readLong();
            Message msgWritten = buffers2.remove(id);
            Assert.assertNotNull(msgWritten);
            Assert.assertEquals(msg.getMessage().getAddress(), msgWritten.getAddress());
            ActiveMQTestBase.assertEqualsByteArrays(msgWritten.toCore().getBodyBuffer().writerIndex(), msgWritten.toCore().getBodyBuffer().toByteBuffer().array(), msg.getMessage().toCore().getBodyBuffer().toByteBuffer().array());
        }
    }
    lastPage.open();
    List<PagedMessage> lastMessages = lastPage.read(new NullStorageManager());
    lastPage.close();
    Assert.assertEquals(1, lastMessages.size());
    lastMessages.get(0).getMessage().toCore().getBodyBuffer().resetReaderIndex();
    Assert.assertEquals(lastMessages.get(0).getMessage().toCore().getBodyBuffer().readLong(), lastMessageId);
    Assert.assertEquals(0, buffers2.size());
    Assert.assertEquals(0, storeImpl.getAddressSize());
}