Package org.apache.qpid.server.store.berkeleydb.upgrade

Source Code of org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4to5Test

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package org.apache.qpid.server.store.berkeleydb.upgrade;

import static org.apache.qpid.server.store.berkeleydb.BDBStoreUpgradeTestPreparer.NONEXCLUSIVE_WITH_ERRONEOUS_OWNER;
import static org.apache.qpid.server.store.berkeleydb.BDBStoreUpgradeTestPreparer.NON_DURABLE_QUEUE_NAME;
import static org.apache.qpid.server.store.berkeleydb.BDBStoreUpgradeTestPreparer.QUEUE_NAME;
import static org.apache.qpid.server.store.berkeleydb.BDBStoreUpgradeTestPreparer.QUEUE_WITH_DLQ_NAME;
import static org.apache.qpid.server.store.berkeleydb.BDBStoreUpgradeTestPreparer.SELECTOR_TOPIC_NAME;
import static org.apache.qpid.server.store.berkeleydb.BDBStoreUpgradeTestPreparer.TOPIC_NAME;

import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;

import org.apache.qpid.common.AMQPFilterTypes;
import org.apache.qpid.framing.AMQShortString;
import org.apache.qpid.framing.FieldTable;
import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4To5.BindingRecord;
import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4To5.BindingTuple;
import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4To5.MessageContentKey;
import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4To5.MessageContentKeyBinding;
import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4To5.QueueEntryKey;
import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4To5.QueueEntryKeyBinding;
import org.apache.qpid.server.store.berkeleydb.upgrade.UpgradeFrom4To5.QueueRecord;

import com.sleepycat.bind.tuple.LongBinding;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.Transaction;

public class UpgradeFrom4to5Test extends AbstractUpgradeTestCase
{
    private static final String DURABLE_SUBSCRIPTION_QUEUE_WITH_SELECTOR = "clientid:mySelectorDurSubName";
    private static final String DURABLE_SUBSCRIPTION_QUEUE = "clientid:myDurSubName";
    private static final String EXCHANGE_DB_NAME = "exchangeDb_v5";
    private static final String MESSAGE_META_DATA_DB_NAME = "messageMetaDataDb_v5";
    private static final String MESSAGE_CONTENT_DB_NAME = "messageContentDb_v5";
    private static final String DELIVERY_DB_NAME = "deliveryDb_v5";
    private static final String BINDING_DB_NAME = "queueBindingsDb_v5";

    @Override
    protected String getStoreDirectoryName()
    {
        return "bdbstore-v4";
    }

    public void testPerformUpgradeWithHandlerAnsweringYes() throws Exception
    {
        UpgradeFrom4To5 upgrade = new UpgradeFrom4To5();
        upgrade.performUpgrade(_environment, new StaticAnswerHandler(UpgradeInteractionResponse.YES), getVirtualHostName());

        assertQueues(new HashSet<String>(Arrays.asList(QUEUE_NAMES)));

        assertDatabaseRecordCount(DELIVERY_DB_NAME, TOTAL_MESSAGE_NUMBER);
        assertDatabaseRecordCount(MESSAGE_META_DATA_DB_NAME, TOTAL_MESSAGE_NUMBER);
        assertDatabaseRecordCount(EXCHANGE_DB_NAME, TOTAL_EXCHANGES);

        for (int i = 0; i < QUEUE_SIZES.length; i++)
        {
            assertQueueMessages(QUEUE_NAMES[i], QUEUE_SIZES[i]);
        }

        final List<BindingRecord> queueBindings = loadBindings();

        assertEquals("Unxpected bindings size", TOTAL_BINDINGS, queueBindings.size());
        assertBindingRecord(queueBindings, DURABLE_SUBSCRIPTION_QUEUE, "amq.topic", TOPIC_NAME, "");
        assertBindingRecord(queueBindings, DURABLE_SUBSCRIPTION_QUEUE_WITH_SELECTOR, "amq.topic", SELECTOR_TOPIC_NAME, "testprop='true'");
        assertBindingRecord(queueBindings, QUEUE_NAME, "amq.direct", QUEUE_NAME, null);
        assertBindingRecord(queueBindings, NON_DURABLE_QUEUE_NAME, "amq.direct", NON_DURABLE_QUEUE_NAME, null);
        assertBindingRecord(queueBindings, NONEXCLUSIVE_WITH_ERRONEOUS_OWNER, "amq.direct", NONEXCLUSIVE_WITH_ERRONEOUS_OWNER, null);

        assertQueueHasOwner(NONEXCLUSIVE_WITH_ERRONEOUS_OWNER, "misused-owner-as-description");

        assertContent();
    }

    public void testPerformUpgradeWithHandlerAnsweringNo() throws Exception
    {
        UpgradeFrom4To5 upgrade = new UpgradeFrom4To5();
        upgrade.performUpgrade(_environment, new StaticAnswerHandler(UpgradeInteractionResponse.NO), getVirtualHostName());
        HashSet<String> queues = new HashSet<String>(Arrays.asList(QUEUE_NAMES));
        assertTrue(NON_DURABLE_QUEUE_NAME + " should be in the list of queues" , queues.remove(NON_DURABLE_QUEUE_NAME));

        assertQueues(queues);

        assertDatabaseRecordCount(DELIVERY_DB_NAME, 13);
        assertDatabaseRecordCount(MESSAGE_META_DATA_DB_NAME, 13);
        assertDatabaseRecordCount(EXCHANGE_DB_NAME, TOTAL_EXCHANGES);

        assertQueueMessages(DURABLE_SUBSCRIPTION_QUEUE, 1);
        assertQueueMessages(DURABLE_SUBSCRIPTION_QUEUE_WITH_SELECTOR, 1);
        assertQueueMessages(QUEUE_NAME, 10);
        assertQueueMessages(QUEUE_WITH_DLQ_NAME + "_DLQ", 1);

        final List<BindingRecord> queueBindings = loadBindings();

        assertEquals("Unxpected list size", TOTAL_BINDINGS - 2, queueBindings.size());
        assertBindingRecord(queueBindings, DURABLE_SUBSCRIPTION_QUEUE, "amq.topic", TOPIC_NAME, "");
        assertBindingRecord(queueBindings, DURABLE_SUBSCRIPTION_QUEUE_WITH_SELECTOR, "amq.topic",
                SELECTOR_TOPIC_NAME, "testprop='true'");
        assertBindingRecord(queueBindings, QUEUE_NAME, "amq.direct", QUEUE_NAME, null);

        assertQueueHasOwner(NONEXCLUSIVE_WITH_ERRONEOUS_OWNER, "misused-owner-as-description");

        assertContent();
    }

    private List<BindingRecord> loadBindings()
    {
        final BindingTuple bindingTuple = new BindingTuple();
        final List<BindingRecord> queueBindings = new ArrayList<BindingRecord>();
        CursorOperation databaseOperation = new CursorOperation()
        {

            @Override
            public void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction,
                    DatabaseEntry key, DatabaseEntry value)
            {
                BindingRecord bindingRecord = bindingTuple.entryToObject(key);

                AMQShortString queueName = bindingRecord.getQueueName();
                AMQShortString exchangeName = bindingRecord.getExchangeName();
                AMQShortString routingKey = bindingRecord.getRoutingKey();
                FieldTable arguments = bindingRecord.getArguments();
                queueBindings.add(new BindingRecord(exchangeName, queueName, routingKey, arguments));
            }
        };
        new DatabaseTemplate(_environment, BINDING_DB_NAME, null).run(databaseOperation);
        return queueBindings;
    }

    private void assertBindingRecord(List<BindingRecord> queueBindings, String queueName, String exchangeName,
            String routingKey, String selectorKey)
    {
        BindingRecord record = null;
        for (BindingRecord bindingRecord : queueBindings)
        {
            if (bindingRecord.getQueueName().asString().equals(queueName)
                    && bindingRecord.getExchangeName().asString().equals(exchangeName))
            {
                record = bindingRecord;
                break;
            }
        }
        assertNotNull("Binding is not found for queue " + queueName + " and exchange " + exchangeName, record);
        assertEquals("Unexpected routing key", routingKey, record.getRoutingKey().asString());

        if (selectorKey != null)
        {
            assertEquals("Unexpected selector key for " + queueName, selectorKey,
                    record.getArguments().get(AMQPFilterTypes.JMS_SELECTOR.getValue()));
        }
    }

    private void assertQueueMessages(final String queueName, final int expectedQueueSize)
    {
        final Set<Long> messageIdsForQueue = assertDeliveriesForQueue(queueName, expectedQueueSize);

        assertMetadataForQueue(queueName, expectedQueueSize, messageIdsForQueue);

        assertContentForQueue(queueName, expectedQueueSize, messageIdsForQueue);
    }

    private Set<Long> assertDeliveriesForQueue(final String queueName, final int expectedQueueSize)
    {
        final QueueEntryKeyBinding queueEntryKeyBinding = new QueueEntryKeyBinding();
        final AtomicInteger deliveryCounter = new AtomicInteger();
        final Set<Long> messagesForQueue = new HashSet<Long>();

        CursorOperation deliveryDatabaseOperation = new CursorOperation()
        {
            @Override
            public void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction,
                    DatabaseEntry key, DatabaseEntry value)
            {
                QueueEntryKey entryKey = queueEntryKeyBinding.entryToObject(key);
                String thisQueueName = entryKey.getQueueName().asString();
                if (thisQueueName.equals(queueName))
                {
                    deliveryCounter.incrementAndGet();
                    messagesForQueue.add(entryKey.getMessageId());
                }
            }
        };
        new DatabaseTemplate(_environment, DELIVERY_DB_NAME, null).run(deliveryDatabaseOperation);

        assertEquals("Unxpected number of entries in delivery db for queue " + queueName, expectedQueueSize,
                deliveryCounter.get());

        return messagesForQueue;
    }

    private void assertMetadataForQueue(final String queueName, final int expectedQueueSize,
            final Set<Long> messageIdsForQueue)
    {
        final AtomicInteger metadataCounter = new AtomicInteger();
        CursorOperation databaseOperation = new CursorOperation()
        {

            @Override
            public void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction,
                    DatabaseEntry key, DatabaseEntry value)
            {
                Long messageId = LongBinding.entryToLong(key);

                boolean messageIsForTheRightQueue = messageIdsForQueue.contains(messageId);
                if (messageIsForTheRightQueue)
                {
                    metadataCounter.incrementAndGet();
                }
            }
        };
        new DatabaseTemplate(_environment, MESSAGE_META_DATA_DB_NAME, null).run(databaseOperation);

        assertEquals("Unxpected number of entries in metadata db for queue " + queueName, expectedQueueSize,
                metadataCounter.get());
    }

    private void assertContentForQueue(String queueName, int expectedQueueSize, final Set<Long> messageIdsForQueue)
    {
        final AtomicInteger contentCounter = new AtomicInteger();
        final MessageContentKeyBinding keyBinding = new MessageContentKeyBinding();
        CursorOperation cursorOperation = new CursorOperation()
        {
            private long _prevMsgId = -1;

            @Override
            public void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction,
                    DatabaseEntry key, DatabaseEntry value)
            {
                MessageContentKey contentKey = keyBinding.entryToObject(key);
                long msgId = contentKey.getMessageId();

                if (_prevMsgId != msgId && messageIdsForQueue.contains(msgId))
                {
                    contentCounter.incrementAndGet();
                }

                _prevMsgId = msgId;
            }
        };
        new DatabaseTemplate(_environment, MESSAGE_CONTENT_DB_NAME, null).run(cursorOperation);

        assertEquals("Unxpected number of entries in content db for queue " + queueName, expectedQueueSize,
                contentCounter.get());
    }

    private void assertQueues(Set<String> expectedQueueNames)
    {
        List<AMQShortString> durableSubNames = Collections.emptyList();
        final UpgradeFrom4To5.QueueRecordBinding binding = new UpgradeFrom4To5.QueueRecordBinding(durableSubNames);
        final Set<String> actualQueueNames = new HashSet<String>();

        CursorOperation queueNameCollector = new CursorOperation()
        {

            @Override
            public void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction,
                    DatabaseEntry key, DatabaseEntry value)
            {
                QueueRecord record = binding.entryToObject(value);
                String queueName = record.getNameShortString().asString();
                actualQueueNames.add(queueName);
            }
        };
        new DatabaseTemplate(_environment, "queueDb_v5", null).run(queueNameCollector);

        assertEquals("Unexpected queue names", expectedQueueNames, actualQueueNames);
    }

    private void assertQueueHasOwner(String queueName, final String expectedOwner)
    {
        List<AMQShortString> durableSubNames = Collections.emptyList();
        final UpgradeFrom4To5.QueueRecordBinding binding = new UpgradeFrom4To5.QueueRecordBinding(durableSubNames);
        final AtomicReference<String> actualOwner = new AtomicReference<String>();
        final AtomicBoolean foundQueue = new AtomicBoolean(false);

        CursorOperation queueNameCollector = new CursorOperation()
        {

            @Override
            public void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction,
                    DatabaseEntry key, DatabaseEntry value)
            {
                QueueRecord record = binding.entryToObject(value);
                String queueName = record.getNameShortString().asString();
                if (queueName.equals(queueName))
                {
                    foundQueue.set(true);
                    actualOwner.set(AMQShortString.toString(record.getOwner()));
                }
            }
        };
        new DatabaseTemplate(_environment, "queueDb_v5", null).run(queueNameCollector);

        assertTrue("Could not find queue in database", foundQueue.get());
        assertEquals("Queue has unexpected owner", expectedOwner, actualOwner.get());
    }

    private void assertContent()
    {
        final UpgradeFrom4To5.ContentBinding contentBinding = new UpgradeFrom4To5.ContentBinding();
        CursorOperation contentCursorOperation = new CursorOperation()
        {

            @Override
            public void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction, DatabaseEntry key,
                    DatabaseEntry value)
            {
                long id = LongBinding.entryToLong(key);
                assertTrue("Unexpected id", id > 0);
                ByteBuffer content = contentBinding.entryToObject(value);
                assertNotNull("Unexpected content", content);
            }
        };
        new DatabaseTemplate(_environment, MESSAGE_CONTENT_DB_NAME, null).run(contentCursorOperation);
    }
}
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