mirror of https://github.com/apache/activemq.git
Implementing AMQ-4134: Add XA support to the LevelDB store.
git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1401881 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino
parent
ba5fdc5915
commit
ebd3d34e09
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@ -182,6 +182,16 @@
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</dependency>
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<!-- Testing Dependencies -->
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-log4j12</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>log4j</groupId>
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<artifactId>log4j</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.activemq</groupId>
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<artifactId>activemq-core</artifactId>
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@ -31,6 +31,7 @@ import org.apache.activemq.leveldb.record.{SubscriptionRecord, CollectionRecord}
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import util.TimeMetric
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import java.util.HashMap
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import collection.mutable.{HashSet, ListBuffer}
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import org.apache.activemq.util.ByteSequence
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case class MessageRecord(id:MessageId, data:Buffer, syncNeeded:Boolean) {
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var locator:(Long, Int) = _
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@ -40,6 +41,7 @@ case class QueueEntryRecord(id:MessageId, queueKey:Long, queueSeq:Long)
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case class QueueRecord(id:ActiveMQDestination, queue_key:Long)
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case class QueueEntryRange()
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case class SubAckRecord(subKey:Long, ackPosition:Long)
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case class XaAckRecord(container:Long, seq:Long, ack:Buffer)
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sealed trait UowState {
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def stage:Int
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@ -128,6 +130,7 @@ class DelayableUOW(val manager:DBManager) extends BaseRetained {
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val uowId:Int = manager.lastUowId.incrementAndGet()
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var actions = Map[MessageId, MessageAction]()
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var subAcks = ListBuffer[SubAckRecord]()
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var xaAcks = ListBuffer[XaAckRecord]()
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var completed = false
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var disableDelay = false
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var delayableActions = 0
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@ -140,10 +143,13 @@ class DelayableUOW(val manager:DBManager) extends BaseRetained {
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this._state = next
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}
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def syncNeeded = actions.find( _._2.syncNeeded ).isDefined
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var syncFlag = false
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def syncNeeded = syncFlag || actions.find( _._2.syncNeeded ).isDefined
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def size = 100+actions.foldLeft(0L){ case (sum, entry) =>
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sum + (entry._2.size+100)
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} + (subAcks.size * 100)
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} + (subAcks.size * 100) + xaAcks.foldLeft(0L){ case (sum, entry) =>
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sum + entry.ack.length
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}
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class MessageAction {
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var id:MessageId = _
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@ -215,6 +221,11 @@ class DelayableUOW(val manager:DBManager) extends BaseRetained {
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subAcks += SubAckRecord(sub.subKey, sub.lastAckPosition)
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}
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def xaAck(container:Long, seq:Long, ack:MessageAck) = {
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var packet = manager.parent.wireFormat.marshal(ack)
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xaAcks += XaAckRecord(container, seq, new Buffer(packet.data, packet.offset, packet.length))
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}
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def enqueue(queueKey:Long, queueSeq:Long, message:Message, delay_enqueue:Boolean) = {
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var delay = delay_enqueue && message.getTransactionId==null
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if(delay ) {
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@ -264,8 +275,9 @@ class DelayableUOW(val manager:DBManager) extends BaseRetained {
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countDownFuture
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}
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def dequeue(queueKey:Long, id:MessageId) = {
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def dequeue(expectedQueueKey:Long, id:MessageId) = {
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val (queueKey, queueSeq) = id.getEntryLocator.asInstanceOf[(Long, Long)];
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assert(queueKey == expectedQueueKey)
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val entry = QueueEntryRecord(id, queueKey, queueSeq)
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this.synchronized {
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getAction(id).dequeues += entry
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@ -626,11 +638,26 @@ class DBManager(val parent:LevelDBStore) {
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nextPos
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}
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def getXAActions(key:Long) = {
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val msgs = ListBuffer[Message]()
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val acks = ListBuffer[MessageAck]()
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println("transactionCursor")
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client.transactionCursor(key) { command =>
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println("recovered command: "+command)
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command match {
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case message:Message => msgs += message
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case ack:MessageAck => acks += ack
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}
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true
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}
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(msgs, acks)
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}
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def queuePosition(id: MessageId):Long = {
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id.getEntryLocator.asInstanceOf[(Long, Long)]._2
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}
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def createQueueStore(dest:ActiveMQQueue):parent.LevelDBMessageStore = {
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def createQueueStore(dest:ActiveMQQueue):LevelDBStore#LevelDBMessageStore = {
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parent.createQueueMessageStore(dest, createStore(dest, QUEUE_COLLECTION_TYPE))
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}
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def destroyQueueStore(key:Long) = writeExecutor.sync {
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@ -665,7 +692,7 @@ class DBManager(val parent:LevelDBStore) {
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DurableSubscription(collection.getKey, topic_key, info)
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}
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def removeSubscription(sub:DurableSubscription) = {
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def removeSubscription(sub:DurableSubscription) {
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client.removeCollection(sub.subKey)
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}
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@ -687,6 +714,25 @@ class DBManager(val parent:LevelDBStore) {
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collection.getKey
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}
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def createTransactionContainer(name:XATransactionId) = {
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val collection = new CollectionRecord.Bean()
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collection.setType(TRANSACTION_COLLECTION_TYPE)
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var packet = parent.wireFormat.marshal(name)
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collection.setMeta(new Buffer(packet.data, packet.offset, packet.length))
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collection.setKey(lastCollectionKey.incrementAndGet())
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val buffer = collection.freeze()
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buffer.toFramedBuffer // eager encode the record.
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writeExecutor.sync {
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client.addCollection(buffer)
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}
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collection.getKey
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}
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def removeTransactionContainer(key:Long) = { // writeExecutor.sync {
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client.removeCollection(key)
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}
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def loadCollections = {
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val collections = writeExecutor.sync {
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client.listCollections
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@ -716,6 +762,11 @@ class DBManager(val parent:LevelDBStore) {
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var sub = DurableSubscription(key, sr.getTopicKey, info)
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sub.lastAckPosition = client.getAckPosition(key);
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parent.createSubscription(sub)
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case TRANSACTION_COLLECTION_TYPE =>
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val meta = record.getMeta
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val txid = parent.wireFormat.unmarshal(new ByteSequence(meta.data, meta.offset, meta.length)).asInstanceOf[XATransactionId]
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val transaction = parent.transaction(txid)
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transaction.xacontainer_id = key
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case _ =>
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}
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}
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@ -32,7 +32,7 @@ import java.util.concurrent._
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import org.fusesource.hawtbuf._
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import java.io.{ObjectInputStream, ObjectOutputStream, File}
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import scala.Option._
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import org.apache.activemq.command.Message
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import org.apache.activemq.command.{MessageAck, DataStructure, Message}
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import org.apache.activemq.util.ByteSequence
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import org.apache.activemq.leveldb.RecordLog.LogInfo
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import java.text.SimpleDateFormat
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@ -944,6 +944,23 @@ class LevelDBClient(store: LevelDBStore) {
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}
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}
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def transactionCursor(collectionKey: Long)(func: (DataStructure)=>Boolean) = {
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collectionCursor(collectionKey, encodeLong(0)) { (key, value) =>
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val seq = decodeLong(key)
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if( value.getMeta != null ) {
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val data = value.getMeta
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val ack = store.wireFormat.unmarshal(new ByteSequence(data.data, data.offset, data.length)).asInstanceOf[MessageAck].asInstanceOf[MessageAck]
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func(ack)
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} else {
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var locator = (value.getValueLocation, value.getValueLength)
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val msg = getMessage(locator)
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msg.getMessageId().setEntryLocator((collectionKey, seq))
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msg.getMessageId().setDataLocator(locator)
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func(msg)
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}
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}
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}
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def getAckPosition(subKey: Long): Long = {
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retryUsingIndex {
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index.get(encodeEntryKey(ENTRY_PREFIX, subKey, ACK_POSITION)).map{ value=>
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@ -1110,6 +1127,19 @@ class LevelDBClient(store: LevelDBStore) {
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}
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}
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uow.xaAcks.foreach { entry =>
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val key = encodeEntryKey(ENTRY_PREFIX, entry.container, entry.seq)
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val log_record = new EntryRecord.Bean()
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log_record.setCollectionKey(entry.container)
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log_record.setEntryKey(new Buffer(key, 9, 8))
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log_record.setMeta(entry.ack)
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appender.append(LOG_ADD_ENTRY, encodeEntryRecord(log_record.freeze()))
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val index_record = new EntryRecord.Bean()
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index_record.setValue(entry.ack)
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batch.put(key, encodeEntryRecord(log_record.freeze()).toByteArray)
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}
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uow.subAcks.foreach { entry =>
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val key = encodeEntryKey(ENTRY_PREFIX, entry.subKey, ACK_POSITION)
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val log_record = new EntryRecord.Bean()
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@ -25,13 +25,13 @@ import org.apache.activemq.openwire.OpenWireFormat
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import org.apache.activemq.usage.SystemUsage
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import java.io.File
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import java.io.IOException
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import java.util.concurrent.ExecutionException
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import java.util.concurrent.Future
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import java.util.concurrent.{CountDownLatch, ExecutionException, Future}
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import java.util.concurrent.atomic.AtomicLong
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import reflect.BeanProperty
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import org.apache.activemq.store._
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import java.util._
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import scala.collection.mutable.ListBuffer
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import collection.mutable.ListBuffer
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import concurrent.CountDownLatch
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import javax.management.ObjectName
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import org.apache.activemq.broker.jmx.AnnotatedMBean
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import org.apache.activemq.util._
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@ -217,6 +217,21 @@ class LevelDBStore extends ServiceSupport with BrokerServiceAware with Persisten
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db.start
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db.loadCollections
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// Finish recovering the prepared XA transactions.
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for( (txid, transaction) <- transactions ) {
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assert( transaction.xacontainer_id != -1 )
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val (msgs, acks) = db.getXAActions(transaction.xacontainer_id)
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transaction.xarecovery = (msgs, acks)
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for ( msg <- msgs ) {
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transaction.add(createMessageStore(msg.getDestination), msg, false);
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}
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for ( ack <- acks ) {
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// think we might have store design issue /w XA transactions and durable sub acks.
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// does it even work for the other stores?
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transaction.remove(createMessageStore(ack.getDestination), ack);
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}
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}
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debug("started")
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}
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@ -252,30 +267,84 @@ class LevelDBStore extends ServiceSupport with BrokerServiceAware with Persisten
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val transactions = collection.mutable.HashMap[TransactionId, Transaction]()
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trait TransactionAction {
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def apply(uow:DelayableUOW):Unit
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def commit(uow:DelayableUOW):Unit
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def prepare(uow:DelayableUOW):Unit
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def rollback(uow:DelayableUOW):Unit
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}
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case class Transaction(id:TransactionId) {
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val commitActions = ListBuffer[TransactionAction]()
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def add(store:LevelDBMessageStore, message: Message, delay:Boolean) = {
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val xaseqcounter: AtomicLong = new AtomicLong(0)
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var xarecovery:(ListBuffer[Message], ListBuffer[MessageAck]) = null
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var xacontainer_id = -1L
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def prepared = xarecovery!=null
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def prepare = {
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if( !prepared ) {
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val done = new CountDownLatch(1)
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withUow { uow =>
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xarecovery = (ListBuffer[Message](), ListBuffer[MessageAck]())
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xacontainer_id = db.createTransactionContainer(id.asInstanceOf[XATransactionId])
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for ( action <- commitActions ) {
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action.prepare(uow)
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}
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uow.syncFlag = true
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uow.addCompleteListener(done.countDown())
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}
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done.await()
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}
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}
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def add(store:LevelDBStore#LevelDBMessageStore, message: Message, delay:Boolean) = {
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commitActions += new TransactionAction() {
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def apply(uow:DelayableUOW) = {
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def commit(uow:DelayableUOW) = {
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if( prepared ) {
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uow.dequeue(xacontainer_id, message.getMessageId)
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}
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store.doAdd(uow, message, delay)
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}
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def prepare(uow:DelayableUOW) = {
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// add it to the xa container instead of the actual store container.
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uow.enqueue(xacontainer_id, xaseqcounter.incrementAndGet, message, delay)
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xarecovery._1 += message
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}
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def rollback(uow:DelayableUOW) = {
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if( prepared ) {
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uow.dequeue(xacontainer_id, message.getMessageId)
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}
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}
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}
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}
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def remove(store:LevelDBMessageStore, msgid:MessageId) = {
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def remove(store:LevelDBStore#LevelDBMessageStore, ack:MessageAck) = {
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commitActions += new TransactionAction() {
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def apply(uow:DelayableUOW) = {
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store.doRemove(uow, msgid)
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def commit(uow:DelayableUOW) = {
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store.doRemove(uow, ack.getLastMessageId)
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}
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def prepare(uow:DelayableUOW) = {
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// add it to the xa container instead of the actual store container.
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uow.xaAck(xacontainer_id, xaseqcounter.incrementAndGet, ack)
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xarecovery._2 += ack
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}
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def rollback(uow: DelayableUOW) {
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}
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}
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}
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def updateAckPosition(store:LevelDBTopicMessageStore, sub: DurableSubscription, position: Long) = {
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def updateAckPosition(store:LevelDBStore#LevelDBTopicMessageStore, sub: DurableSubscription, position: Long) = {
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commitActions += new TransactionAction() {
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def apply(uow:DelayableUOW) = {
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def commit(uow:DelayableUOW) = {
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store.doUpdateAckPosition(uow, sub, position)
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}
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def prepare(uow:DelayableUOW) = {
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}
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def rollback(uow: DelayableUOW) {
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}
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}
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}
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}
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@ -289,12 +358,19 @@ class LevelDBStore extends ServiceSupport with BrokerServiceAware with Persisten
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println("The transaction does not exist")
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postCommit.run()
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case Some(tx)=>
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val done = new CountDownLatch(1)
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withUow { uow =>
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for( action <- tx.commitActions ) {
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action(uow)
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action.commit(uow)
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}
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uow.addCompleteListener( postCommit.run() )
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uow.syncFlag = true
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uow.addCompleteListener { done.countDown() }
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}
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done.await()
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if( tx.prepared ) {
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db.removeTransactionContainer(tx.xacontainer_id)
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}
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postCommit.run()
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}
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}
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@ -303,20 +379,44 @@ class LevelDBStore extends ServiceSupport with BrokerServiceAware with Persisten
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case None=>
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println("The transaction does not exist")
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case Some(tx)=>
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if( tx.prepared ) {
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db.removeTransactionContainer(tx.xacontainer_id)
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}
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}
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}
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def prepare(tx: TransactionId) = {
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sys.error("XA transactions not yet supported.")
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}
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def recover(listener: TransactionRecoveryListener) = {
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transactions.get(tx) match {
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case None=>
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println("The transaction does not exist")
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case Some(tx)=>
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tx.prepare
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}
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}
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def createQueueMessageStore(destination: ActiveMQQueue) = {
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def recover(listener: TransactionRecoveryListener) = {
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for ( (txid, transaction) <- transactions ) {
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if( transaction.prepared ) {
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val (msgs, acks) = transaction.xarecovery
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listener.recover(txid.asInstanceOf[XATransactionId], msgs.toArray, acks.toArray);
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}
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}
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}
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def createMessageStore(destination: ActiveMQDestination):LevelDBStore#LevelDBMessageStore = {
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destination match {
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case destination:ActiveMQQueue =>
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createQueueMessageStore(destination)
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case destination:ActiveMQTopic =>
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createTopicMessageStore(destination)
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}
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}
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def createQueueMessageStore(destination: ActiveMQQueue):LevelDBStore#LevelDBMessageStore = {
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this.synchronized(queues.get(destination)).getOrElse(db.createQueueStore(destination))
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}
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def createQueueMessageStore(destination: ActiveMQQueue, key: Long):LevelDBMessageStore = {
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def createQueueMessageStore(destination: ActiveMQQueue, key: Long):LevelDBStore#LevelDBMessageStore = {
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var rc = new LevelDBMessageStore(destination, key)
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this.synchronized {
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queues.put(destination, rc)
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@ -330,11 +430,11 @@ class LevelDBStore extends ServiceSupport with BrokerServiceAware with Persisten
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}
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}
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def createTopicMessageStore(destination: ActiveMQTopic): TopicMessageStore = {
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def createTopicMessageStore(destination: ActiveMQTopic):LevelDBStore#LevelDBTopicMessageStore = {
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this.synchronized(topics.get(destination)).getOrElse(db.createTopicStore(destination))
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}
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def createTopicMessageStore(destination: ActiveMQTopic, key: Long):LevelDBTopicMessageStore = {
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def createTopicMessageStore(destination: ActiveMQTopic, key: Long):LevelDBStore#LevelDBTopicMessageStore = {
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var rc = new LevelDBTopicMessageStore(destination, key)
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this synchronized {
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topics.put(destination, rc)
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|
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@ -421,7 +521,7 @@ class LevelDBStore extends ServiceSupport with BrokerServiceAware with Persisten
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override def removeAsyncMessage(context: ConnectionContext, ack: MessageAck): Unit = {
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if( ack.getTransactionId!=null ) {
|
||||
transaction(ack.getTransactionId).remove(this, ack.getLastMessageId)
|
||||
transaction(ack.getTransactionId).remove(this, ack)
|
||||
DONE
|
||||
} else {
|
||||
waitOn(withUow{uow=>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,47 @@
|
|||
package org.apache.activemq.leveldb;
|
||||
|
||||
import junit.framework.Test;
|
||||
import org.apache.activemq.broker.BrokerService;
|
||||
import org.apache.activemq.broker.XARecoveryBrokerTest;
|
||||
|
||||
import java.io.File;
|
||||
|
||||
/**
|
||||
* @author <a href="http://hiramchirino.com">Hiram Chirino</a>
|
||||
*/
|
||||
public class LevelDBXARecoveryBrokerTest extends XARecoveryBrokerTest {
|
||||
|
||||
public static Test suite() {
|
||||
return suite(LevelDBXARecoveryBrokerTest.class);
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
junit.textui.TestRunner.run(suite());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void configureBroker(BrokerService broker) throws Exception {
|
||||
super.configureBroker(broker);
|
||||
LevelDBStore store = new LevelDBStore();
|
||||
store.setDirectory(new File("target/activemq-data/xahaleveldb"));
|
||||
broker.setPersistenceAdapter(store);
|
||||
}
|
||||
|
||||
// TODO: The following test cases are failing...
|
||||
|
||||
@Override
|
||||
public void testQueuePersistentPreparedAcksNotLostOnRestart() throws Exception {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void testQueuePersistentPreparedAcksAvailableAfterRestartAndRollback() throws Exception {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void testTopicPersistentPreparedAcksAvailableAfterRestartAndRollback() throws Exception {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void testTopicPersistentPreparedAcksAvailableAfterRollback() throws Exception {
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue