Examples with KafkaOffsetFW io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetFW used on opensource projects

Example 1 with KafkaOffsetFW

use of io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetFW in project zilla by aklivity.

the class KafkaCacheClientFetchFactory method newStream.

@Override
public MessageConsumer newStream(int msgTypeId, DirectBuffer buffer, int index, int length, MessageConsumer sender) {
    final BeginFW begin = beginRO.wrap(buffer, index, index + length);
    final long routeId = begin.routeId();
    final long initialId = begin.streamId();
    final long affinity = begin.affinity();
    final long authorization = begin.authorization();
    assert (initialId & 0x0000_0000_0000_0001L) != 0L;
    final OctetsFW extension = begin.extension();
    final ExtensionFW beginEx = extension.get(extensionRO::tryWrap);
    assert beginEx != null && beginEx.typeId() == kafkaTypeId;
    final KafkaBeginExFW kafkaBeginEx = extension.get(kafkaBeginExRO::wrap);
    assert kafkaBeginEx.kind() == KafkaBeginExFW.KIND_FETCH;
    final KafkaFetchBeginExFW kafkaFetchBeginEx = kafkaBeginEx.fetch();
    final String16FW beginTopic = kafkaFetchBeginEx.topic();
    final KafkaOffsetFW progress = kafkaFetchBeginEx.partition();
    final ArrayFW<KafkaFilterFW> filters = kafkaFetchBeginEx.filters();
    final KafkaDeltaType deltaType = kafkaFetchBeginEx.deltaType().get();
    final String topicName = beginTopic.asString();
    MessageConsumer newStream = null;
    final KafkaBindingConfig binding = supplyBinding.apply(routeId);
    final KafkaRouteConfig resolved = binding != null ? binding.resolve(authorization, topicName) : null;
    if (resolved != null) {
        final long resolvedId = resolved.id;
        final int partitionId = progress.partitionId();
        final long partitionOffset = progress.partitionOffset();
        final KafkaCacheRoute cacheRoute = supplyCacheRoute.apply(resolvedId);
        final long partitionKey = cacheRoute.topicPartitionKey(topicName, partitionId);
        KafkaCacheClientFetchFanout fanout = cacheRoute.clientFetchFanoutsByTopicPartition.get(partitionKey);
        if (fanout == null) {
            final String cacheName = String.format("%s.%s", supplyNamespace.apply(resolvedId), supplyLocalName.apply(resolvedId));
            final KafkaCache cache = supplyCache.apply(cacheName);
            final KafkaCacheTopic topic = cache.supplyTopic(topicName);
            final KafkaCachePartition partition = topic.supplyFetchPartition(partitionId);
            final long defaultOffset = resolved.with != null ? resolved.with.defaultOffset.value() : KafkaOffsetType.HISTORICAL.value();
            final KafkaCacheClientFetchFanout newFanout = new KafkaCacheClientFetchFanout(resolvedId, authorization, affinity, partition, defaultOffset);
            cacheRoute.clientFetchFanoutsByTopicPartition.put(partitionKey, newFanout);
            fanout = newFanout;
        }
        final KafkaFilterCondition condition = cursorFactory.asCondition(filters);
        final long latestOffset = kafkaFetchBeginEx.partition().latestOffset();
        final KafkaOffsetType maximumOffset = KafkaOffsetType.valueOf((byte) latestOffset);
        final int leaderId = cacheRoute.leadersByPartitionId.get(partitionId);
        newStream = new KafkaCacheClientFetchStream(fanout, sender, routeId, initialId, leaderId, authorization, partitionOffset, condition, maximumOffset, deltaType)::onClientMessage;
    }
    return newStream;
}

Example 2 with KafkaOffsetFW

use of io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetFW in project zilla by aklivity.

the class KafkaClientFetchFactory method newStream.

@Override
public MessageConsumer newStream(int msgTypeId, DirectBuffer buffer, int index, int length, MessageConsumer application) {
    final BeginFW begin = beginRO.wrap(buffer, index, index + length);
    final long routeId = begin.routeId();
    final long initialId = begin.streamId();
    final long leaderId = begin.affinity();
    final long authorization = begin.authorization();
    final OctetsFW extension = begin.extension();
    final ExtensionFW beginEx = extensionRO.tryWrap(extension.buffer(), extension.offset(), extension.limit());
    final KafkaBeginExFW kafkaBeginEx = beginEx.typeId() == kafkaTypeId ? extension.get(kafkaBeginExRO::wrap) : null;
    assert kafkaBeginEx == null || kafkaBeginEx.kind() == KafkaBeginExFW.KIND_FETCH;
    final KafkaFetchBeginExFW kafkaFetchBeginEx = kafkaBeginEx != null ? kafkaBeginEx.fetch() : null;
    MessageConsumer newStream = null;
    if (beginEx != null && kafkaFetchBeginEx != null && kafkaFetchBeginEx.filters().isEmpty()) {
        final String16FW beginTopic = kafkaFetchBeginEx.topic();
        final String topicName = beginTopic.asString();
        final KafkaBindingConfig binding = supplyBinding.apply(routeId);
        final KafkaRouteConfig resolved = binding != null ? binding.resolve(authorization, topicName) : null;
        if (resolved != null) {
            final long resolvedId = resolved.id;
            final KafkaOffsetFW partition = kafkaFetchBeginEx.partition();
            final int partitionId = partition.partitionId();
            final long initialOffset = partition.partitionOffset();
            final long latestOffset = partition.latestOffset();
            newStream = new KafkaFetchStream(application, routeId, initialId, resolvedId, topicName, partitionId, latestOffset, leaderId, initialOffset)::onApplication;
        }
    }
    return newStream;
}

Example 3 with KafkaOffsetFW

use of io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetFW in project zilla by aklivity.

the class KafkaCacheServerFetchFactory method newStream.

@Override
public MessageConsumer newStream(int msgTypeId, DirectBuffer buffer, int index, int length, MessageConsumer sender) {
    final BeginFW begin = beginRO.wrap(buffer, index, index + length);
    final long routeId = begin.routeId();
    final long initialId = begin.streamId();
    final long affinity = begin.affinity();
    final long authorization = begin.authorization();
    assert (initialId & 0x0000_0000_0000_0001L) != 0L;
    final OctetsFW extension = begin.extension();
    final ExtensionFW beginEx = extension.get(extensionRO::wrap);
    assert beginEx != null && beginEx.typeId() == kafkaTypeId;
    final KafkaBeginExFW kafkaBeginEx = extension.get(kafkaBeginExRO::wrap);
    final KafkaFetchBeginExFW kafkaFetchBeginEx = kafkaBeginEx.fetch();
    final String16FW beginTopic = kafkaFetchBeginEx.topic();
    final KafkaOffsetFW progress = kafkaFetchBeginEx.partition();
    final int partitionId = progress.partitionId();
    final long partitionOffset = progress.partitionOffset();
    final KafkaDeltaType deltaType = kafkaFetchBeginEx.deltaType().get();
    final String topicName = beginTopic.asString();
    MessageConsumer newStream = null;
    final KafkaBindingConfig binding = supplyBinding.apply(routeId);
    final KafkaRouteConfig resolved = binding != null ? binding.resolve(authorization, topicName) : null;
    if (resolved != null) {
        final long resolvedId = resolved.id;
        final KafkaCacheRoute cacheRoute = supplyCacheRoute.apply(resolvedId);
        final long partitionKey = cacheRoute.topicPartitionKey(topicName, partitionId);
        KafkaCacheServerFetchFanout fanout = cacheRoute.serverFetchFanoutsByTopicPartition.get(partitionKey);
        if (fanout == null) {
            final KafkaTopicConfig topic = binding.topic(topicName);
            final KafkaDeltaType routeDeltaType = topic != null ? topic.deltaType : deltaType;
            final KafkaOffsetType defaultOffset = topic != null ? topic.defaultOffset : HISTORICAL;
            final String cacheName = String.format("%s.%s", supplyNamespace.apply(routeId), supplyLocalName.apply(routeId));
            final KafkaCache cache = supplyCache.apply(cacheName);
            final KafkaCacheTopic cacheTopic = cache.supplyTopic(topicName);
            final KafkaCachePartition partition = cacheTopic.supplyFetchPartition(partitionId);
            final KafkaCacheServerFetchFanout newFanout = new KafkaCacheServerFetchFanout(resolvedId, authorization, affinity, partition, routeDeltaType, defaultOffset);
            cacheRoute.serverFetchFanoutsByTopicPartition.put(partitionKey, newFanout);
            fanout = newFanout;
        }
        final int leaderId = cacheRoute.leadersByPartitionId.get(partitionId);
        newStream = new KafkaCacheServerFetchStream(fanout, sender, routeId, initialId, leaderId, authorization, partitionOffset)::onServerMessage;
    }
    return newStream;
}

Example 4 with KafkaOffsetFW

use of io.aklivity.zilla.runtime.binding.kafka.internal.types.KafkaOffsetFW in project zilla by aklivity.

the class KafkaMergedFactory method newStream.

@Override
public MessageConsumer newStream(int msgTypeId, DirectBuffer buffer, int index, int length, MessageConsumer sender) {
    final BeginFW begin = beginRO.wrap(buffer, index, index + length);
    final long routeId = begin.routeId();
    final long initialId = begin.streamId();
    final long authorization = begin.authorization();
    final long affinity = begin.affinity();
    assert (initialId & 0x0000_0000_0000_0001L) != 0L;
    final OctetsFW extension = begin.extension();
    final ExtensionFW beginEx = extensionRO.tryWrap(extension.buffer(), extension.offset(), extension.limit());
    final KafkaBeginExFW kafkaBeginEx = beginEx != null && beginEx.typeId() == kafkaTypeId ? kafkaBeginExRO.tryWrap(extension.buffer(), extension.offset(), extension.limit()) : null;
    assert kafkaBeginEx != null;
    assert kafkaBeginEx.kind() == KafkaBeginExFW.KIND_MERGED;
    final KafkaMergedBeginExFW kafkaMergedBeginEx = kafkaBeginEx.merged();
    final KafkaCapabilities capabilities = kafkaMergedBeginEx.capabilities().get();
    final String16FW beginTopic = kafkaMergedBeginEx.topic();
    final String topicName = beginTopic.asString();
    final KafkaDeltaType deltaType = kafkaMergedBeginEx.deltaType().get();
    MessageConsumer newStream = null;
    final KafkaBindingConfig binding = supplyBinding.apply(routeId);
    if (binding != null && binding.merged(topicName)) {
        final long resolvedId = routeId;
        final ArrayFW<KafkaOffsetFW> partitions = kafkaMergedBeginEx.partitions();
        final KafkaOffsetFW partition = partitions.matchFirst(p -> p.partitionId() == -1L);
        final long defaultOffset = partition != null ? partition.partitionOffset() : HISTORICAL.value();
        final Long2LongHashMap initialOffsetsById = new Long2LongHashMap(-3L);
        partitions.forEach(p -> {
            final long partitionId = p.partitionId();
            if (partitionId >= 0L) {
                final long partitionOffset = p.partitionOffset();
                initialOffsetsById.put(partitionId, partitionOffset);
            }
        });
        newStream = new KafkaMergedStream(sender, routeId, initialId, affinity, authorization, topicName, resolvedId, capabilities, initialOffsetsById, defaultOffset, deltaType)::onMergedMessage;
    }
    return newStream;
}