Examples with ConditionalBlockEnd io.pravega.shared.protocol.netty.WireCommands.ConditionalBlockEnd used on opensource projects

Example 1 with ConditionalBlockEnd

use of io.pravega.shared.protocol.netty.WireCommands.ConditionalBlockEnd in project pravega by pravega.

the class LargeEventWriter method write.

private void write(Segment parentSegment, List<ByteBuf> payloads, RawClient client, DelegationTokenProvider tokenProvider) throws TokenExpiredException, NoSuchSegmentException, AuthenticationException, SegmentSealedException, ConnectionFailedException {
    long requestId = client.getFlow().getNextSequenceNumber();
    log.debug("Writing large event to segment {} with writer id {}", parentSegment, writerId);
    String token = getThrowingException(tokenProvider.retrieveToken());
    CreateTransientSegment createSegment = new CreateTransientSegment(requestId, writerId, parentSegment.getScopedName(), token);
    SegmentCreated created = transformSegmentCreated(getThrowingException(client.sendRequest(requestId, createSegment)), parentSegment.getScopedName());
    requestId = client.getFlow().getNextSequenceNumber();
    SetupAppend setup = new SetupAppend(requestId, writerId, created.getSegment(), token);
    AppendSetup appendSetup = transformAppendSetup(getThrowingException(client.sendRequest(requestId, setup)), created.getSegment());
    if (appendSetup.getLastEventNumber() != WireCommands.NULL_ATTRIBUTE_VALUE) {
        throw new IllegalStateException("Server indicates that transient segment was already written to: " + created.getSegment());
    }
    long expectedOffset = 0;
    val futures = new ArrayList<CompletableFuture<Reply>>();
    for (int i = 0; i < payloads.size(); i++) {
        requestId = client.getFlow().getNextSequenceNumber();
        ByteBuf payload = payloads.get(i);
        val request = new ConditionalBlockEnd(writerId, i, expectedOffset, Unpooled.wrappedBuffer(payload), requestId);
        expectedOffset += payload.readableBytes();
        val reply = client.sendRequest(requestId, request);
        failFast(futures, created.getSegment());
        futures.add(reply);
    }
    for (int i = 0; i < futures.size(); i++) {
        transformDataAppended(getThrowingException(futures.get(i)), created.getSegment());
    }
    requestId = client.getFlow().getNextSequenceNumber();
    MergeSegments merge = new MergeSegments(requestId, parentSegment.getScopedName(), created.getSegment(), token);
    transformSegmentMerged(getThrowingException(client.sendRequest(requestId, merge)), created.getSegment());
}

Example 2 with ConditionalBlockEnd

use of io.pravega.shared.protocol.netty.WireCommands.ConditionalBlockEnd in project pravega by pravega.

the class LargeEventWriterTest method testPipelining.

@Test(timeout = 5000)
public void testPipelining() throws NoSuchSegmentException, AuthenticationException, SegmentSealedException, ConnectionFailedException {
    Segment segment = Segment.fromScopedName("foo/bar/1");
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    MockController controller = new MockController("localhost", 0, connectionFactory, false);
    ClientConnection connection = Mockito.mock(ClientConnection.class);
    PravegaNodeUri location = new PravegaNodeUri("localhost", 0);
    connectionFactory.provideConnection(location, connection);
    ArrayList<ByteBuffer> buffers = new ArrayList<>();
    buffers.add(ByteBuffer.allocate(Serializer.MAX_EVENT_SIZE - WireCommands.TYPE_PLUS_LENGTH_SIZE));
    buffers.add(ByteBuffer.allocate(Serializer.MAX_EVENT_SIZE - WireCommands.TYPE_PLUS_LENGTH_SIZE));
    buffers.add(ByteBuffer.allocate(Serializer.MAX_EVENT_SIZE - WireCommands.TYPE_PLUS_LENGTH_SIZE));
    ArrayList<ConditionalBlockEnd> written = new ArrayList<>();
    answerRequest(connectionFactory, connection, location, CreateTransientSegment.class, r -> new SegmentCreated(r.getRequestId(), "transient-segment"));
    answerRequest(connectionFactory, connection, location, SetupAppend.class, r -> new AppendSetup(r.getRequestId(), segment.getScopedName(), r.getWriterId(), WireCommands.NULL_ATTRIBUTE_VALUE));
    // If appends are not pipelined, the call to writeLargeEvents will stall waiting for the first reply.
    Mockito.doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            ConditionalBlockEnd argument = (ConditionalBlockEnd) invocation.getArgument(0);
            written.add(argument);
            if (written.size() == buffers.size()) {
                for (ConditionalBlockEnd append : written) {
                    connectionFactory.getProcessor(location).process(new DataAppended(append.getRequestId(), writerId, append.getEventNumber(), append.getEventNumber() - 1, append.getExpectedOffset() + append.getData().readableBytes()));
                }
            }
            return null;
        }
    }).when(connection).send(any(ConditionalBlockEnd.class));
    answerRequest(connectionFactory, connection, location, MergeSegments.class, r -> {
        return new SegmentsMerged(r.getRequestId(), r.getSource(), r.getTarget(), -1);
    });
    LargeEventWriter writer = new LargeEventWriter(writerId, controller, connectionFactory);
    EmptyTokenProviderImpl tokenProvider = new EmptyTokenProviderImpl();
    writer.writeLargeEvent(segment, buffers, tokenProvider, EventWriterConfig.builder().build());
}

Example 3 with ConditionalBlockEnd

use of io.pravega.shared.protocol.netty.WireCommands.ConditionalBlockEnd in project pravega by pravega.

the class LargeEventWriterTest method testUnexpectedErrors.

@Test(timeout = 5000)
public void testUnexpectedErrors() throws ConnectionFailedException, NoSuchSegmentException, AuthenticationException, SegmentSealedException {
    Segment segment = Segment.fromScopedName("foo/bar/1");
    MockConnectionFactoryImpl connectionFactory = new MockConnectionFactoryImpl();
    MockController controller = new MockController("localhost", 0, connectionFactory, false);
    ClientConnection connection = Mockito.mock(ClientConnection.class);
    PravegaNodeUri location = new PravegaNodeUri("localhost", 0);
    connectionFactory.provideConnection(location, connection);
    EmptyTokenProviderImpl tokenProvider = new EmptyTokenProviderImpl();
    EventWriterConfig config = EventWriterConfig.builder().initialBackoffMillis(0).build();
    ArrayList<ByteBuffer> events = new ArrayList<>();
    events.add(ByteBuffer.allocate(1));
    AtomicBoolean failed = new AtomicBoolean(false);
    AtomicBoolean succeeded = new AtomicBoolean(false);
    answerRequest(connectionFactory, connection, location, CreateTransientSegment.class, r -> new SegmentCreated(r.getRequestId(), "transient-segment"));
    answerRequest(connectionFactory, connection, location, SetupAppend.class, r -> new AppendSetup(r.getRequestId(), segment.getScopedName(), r.getWriterId(), WireCommands.NULL_ATTRIBUTE_VALUE));
    Mockito.doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            ConditionalBlockEnd argument = (ConditionalBlockEnd) invocation.getArgument(0);
            failed.set(true);
            connectionFactory.getProcessor(location).process(new InvalidEventNumber(argument.getWriterId(), argument.getEventNumber(), "stacktrace"));
            return null;
        }
    }).doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            ConditionalBlockEnd argument = (ConditionalBlockEnd) invocation.getArgument(0);
            ByteBuf data = argument.getData();
            succeeded.set(true);
            connectionFactory.getProcessor(location).process(new DataAppended(argument.getRequestId(), argument.getWriterId(), argument.getEventNumber(), argument.getEventNumber() - 1, argument.getExpectedOffset() + data.readableBytes()));
            return null;
        }
    }).when(connection).send(any(ConditionalBlockEnd.class));
    answerRequest(connectionFactory, connection, location, MergeSegments.class, r -> {
        return new SegmentsMerged(r.getRequestId(), r.getSource(), r.getTarget(), -1);
    });
    LargeEventWriter writer = new LargeEventWriter(writerId, controller, connectionFactory);
    writer.writeLargeEvent(segment, events, tokenProvider, EventWriterConfig.builder().build());
    assertTrue(failed.getAndSet(false));
    assertTrue(succeeded.getAndSet(false));
    answerRequest(connectionFactory, connection, location, CreateTransientSegment.class, r -> new SegmentCreated(r.getRequestId(), "transient-segment"));
    answerRequest(connectionFactory, connection, location, SetupAppend.class, r -> new AppendSetup(r.getRequestId(), segment.getScopedName(), r.getWriterId(), WireCommands.NULL_ATTRIBUTE_VALUE));
    Mockito.doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            ConditionalBlockEnd argument = (ConditionalBlockEnd) invocation.getArgument(0);
            failed.set(true);
            connectionFactory.getProcessor(location).process(new ConditionalCheckFailed(argument.getWriterId(), argument.getEventNumber(), argument.getRequestId()));
            return null;
        }
    }).doAnswer(new Answer<Void>() {

        @Override
        public Void answer(InvocationOnMock invocation) throws Throwable {
            ConditionalBlockEnd argument = (ConditionalBlockEnd) invocation.getArgument(0);
            ByteBuf data = argument.getData();
            succeeded.set(true);
            connectionFactory.getProcessor(location).process(new DataAppended(argument.getRequestId(), argument.getWriterId(), argument.getEventNumber(), argument.getEventNumber() - 1, argument.getExpectedOffset() + data.readableBytes()));
            return null;
        }
    }).when(connection).send(any(ConditionalBlockEnd.class));
    answerRequest(connectionFactory, connection, location, MergeSegments.class, r -> {
        return new SegmentsMerged(r.getRequestId(), r.getSource(), r.getTarget(), -1);
    });
    writer = new LargeEventWriter(writerId, controller, connectionFactory);
    writer.writeLargeEvent(segment, events, tokenProvider, EventWriterConfig.builder().build());
    assertTrue(failed.getAndSet(false));
    assertTrue(succeeded.getAndSet(false));
}