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

Example 71 with Append

use of io.pravega.shared.protocol.netty.Append in project pravega by pravega.

the class AppendProcessorTest method testAppendPipeliningWithSeal.

@Test(timeout = 15 * 1000)
public void testAppendPipeliningWithSeal() {
    String streamSegmentName = "scope/stream/testAppendSegment";
    UUID clientId = UUID.randomUUID();
    byte[] data1 = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
    byte[] data2 = new byte[] { 1, 2, 3, 4, 5 };
    byte[] data3 = new byte[] { 1, 2, 3 };
    StreamSegmentStore store = mock(StreamSegmentStore.class);
    ServerConnection connection = mock(ServerConnection.class);
    ConnectionTracker tracker = mock(ConnectionTracker.class);
    @Cleanup AppendProcessor processor = AppendProcessor.defaultBuilder().store(store).connection(new TrackedConnection(connection, tracker)).build();
    InOrder connectionVerifier = Mockito.inOrder(connection);
    setupGetAttributes(streamSegmentName, clientId, store);
    processor.setupAppend(new SetupAppend(1, clientId, streamSegmentName, ""));
    verify(store).getAttributes(anyString(), eq(Collections.singleton(AttributeId.fromUUID(clientId))), eq(true), eq(AppendProcessor.TIMEOUT));
    connectionVerifier.verify(connection).send(new AppendSetup(1, streamSegmentName, clientId, 0));
    // Initiate one append.
    val store1 = new CompletableFuture<Long>();
    val ac1 = interceptAppend(store, streamSegmentName, updateEventNumber(clientId, 1, 0, 1), store1);
    processor.append(new Append(streamSegmentName, clientId, 1, 1, Unpooled.wrappedBuffer(data1), null, requestId));
    verifyStoreAppend(ac1, data1);
    verify(tracker).updateOutstandingBytes(connection, data1.length, data1.length);
    // Second append will fail with StreamSegmentSealedException (this simulates having one append, immediately followed
    // by a Seal, then another append).
    val ac2 = interceptAppend(store, streamSegmentName, updateEventNumber(clientId, 2, 1, 1), Futures.failedFuture(new StreamSegmentSealedException(streamSegmentName)));
    processor.append(new Append(streamSegmentName, clientId, 2, 1, Unpooled.wrappedBuffer(data2), null, requestId));
    verifyStoreAppend(ac2, data2);
    verify(tracker).updateOutstandingBytes(connection, data2.length, data1.length + data2.length);
    verify(tracker).updateOutstandingBytes(connection, -data2.length, data1.length);
    // Third append should fail just like the second one. However this will have a higher event number than that one
    // and we use it to verify it won't prevent sending the SegmentIsSealed message or send it multiple times.
    val ac3 = interceptAppend(store, streamSegmentName, updateEventNumber(clientId, 3, 2, 1), Futures.failedFuture(new StreamSegmentSealedException(streamSegmentName)));
    processor.append(new Append(streamSegmentName, clientId, 3, 1, Unpooled.wrappedBuffer(data3), null, requestId));
    verifyStoreAppend(ac3, data3);
    verify(tracker).updateOutstandingBytes(connection, data3.length, data1.length + data3.length);
    // Complete the first one and verify it is acked properly.
    store1.complete(100L);
    connectionVerifier.verify(connection).send(new DataAppended(requestId, clientId, 1, 0L, 100L));
    // Verify that a SegmentIsSealed message is sent AFTER the ack from the first one (for the second append).
    connectionVerifier.verify(connection).send(new WireCommands.SegmentIsSealed(requestId, streamSegmentName, "", 2L));
    // Verify that a second SegmentIsSealed is sent (for the third append).
    connectionVerifier.verify(connection).send(new WireCommands.SegmentIsSealed(requestId, streamSegmentName, "", 3L));
    verify(tracker).updateOutstandingBytes(connection, -data3.length, data1.length);
    verify(tracker).updateOutstandingBytes(connection, -data1.length, 0);
    interceptAppend(store, streamSegmentName, updateEventNumber(clientId, 4, 3, 1), Futures.failedFuture(new IntentionalException(streamSegmentName)));
    AssertExtensions.assertThrows("append() accepted a new request after sending a SegmentIsSealed message.", () -> processor.append(new Append(streamSegmentName, clientId, 4, 1, Unpooled.wrappedBuffer(data1), null, requestId)), ex -> ex instanceof IllegalStateException);
    // Verify no more messages are sent over the connection.
    connectionVerifier.verifyNoMoreInteractions();
    verifyNoMoreInteractions(store);
}

Example 72 with Append

use of io.pravega.shared.protocol.netty.Append in project pravega by pravega.

the class AppendProcessorTest method testAppendFails.

@Test
public void testAppendFails() {
    String streamSegmentName = "scope/stream/testAppendSegment";
    UUID clientId = UUID.randomUUID();
    byte[] data = new byte[] { 1, 2, 3, 4, 6, 7, 8, 9 };
    StreamSegmentStore store = mock(StreamSegmentStore.class);
    ServerConnection connection = mock(ServerConnection.class);
    val mockedRecorder = mock(SegmentStatsRecorder.class);
    ConnectionTracker tracker = mock(ConnectionTracker.class);
    @Cleanup AppendProcessor processor = AppendProcessor.defaultBuilder().store(store).connection(new TrackedConnection(connection, tracker)).statsRecorder(mockedRecorder).build();
    setupGetAttributes(streamSegmentName, clientId, store);
    interceptAppend(store, streamSegmentName, updateEventNumber(clientId, data.length), Futures.failedFuture(new IntentionalException()));
    processor.setupAppend(new SetupAppend(1, clientId, streamSegmentName, ""));
    processor.append(new Append(streamSegmentName, clientId, data.length, 1, Unpooled.wrappedBuffer(data), null, requestId));
    try {
        processor.append(new Append(streamSegmentName, clientId, data.length * 2, 1, Unpooled.wrappedBuffer(data), null, requestId));
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    verify(connection).send(new AppendSetup(1, streamSegmentName, clientId, 0));
    verify(tracker).updateOutstandingBytes(connection, data.length, data.length);
    verify(connection).close();
    verify(tracker).updateOutstandingBytes(connection, -data.length, 0);
    verify(store, atMost(1)).append(any(), any(), any(), any());
    verifyNoMoreInteractions(connection);
    verify(mockedRecorder, never()).recordAppend(eq(streamSegmentName), eq(8L), eq(1), any());
}

Example 73 with Append

use of io.pravega.shared.protocol.netty.Append in project pravega by pravega.

the class SegmentOutputStreamImpl method write.

/**
 * @see SegmentOutputStream#write(PendingEvent)
 */
@Override
public void write(PendingEvent event) {
    // State is set to sealed during a Transaction abort and the segment writer should not throw an {@link IllegalStateException} in such a case.
    checkState(!state.isAlreadySealed() || NameUtils.isTransactionSegment(segmentName), "Segment: %s is already sealed", segmentName);
    synchronized (writeOrderLock) {
        ClientConnection connection;
        try {
            // if connection is null getConnection() establishes a connection and retransmits all events in inflight
            // list.
            connection = Futures.getThrowingException(getConnection());
        } catch (SegmentSealedException | NoSuchSegmentException e) {
            // Add the event to inflight, this will be resent to the successor during the execution of resendToSuccessorsCallback
            state.addToInflight(event);
            return;
        } catch (RetriesExhaustedException e) {
            event.getAckFuture().completeExceptionally(e);
            log.error("Failed to write event to Pravega due connectivity error ", e);
            return;
        }
        long eventNumber = state.addToInflight(event);
        try {
            Append append = new Append(segmentName, writerId, eventNumber, event.getEventCount(), event.getData(), null, requestId);
            log.trace("Sending append request: {}", append);
            connection.send(append);
        } catch (ConnectionFailedException e) {
            log.warn("Failed writing event through writer " + writerId + " due to: ", e);
            // As the message is inflight, this will perform the retransmission.
            reconnect();
        }
    }
}

Example 74 with Append

use of io.pravega.shared.protocol.netty.Append in project pravega by pravega.

the class AppendTest method sendReceivingAppend.

@Test(timeout = 10000)
public void sendReceivingAppend() throws Exception {
    String segment = "sendReceivingAppend";
    ByteBuf data = Unpooled.wrappedBuffer("Hello world\n".getBytes());
    StreamSegmentStore store = SERVICE_BUILDER.createStreamSegmentService();
    @Cleanup EmbeddedChannel channel = createChannel(store);
    SegmentCreated created = (SegmentCreated) sendRequest(channel, new CreateSegment(1, segment, CreateSegment.NO_SCALE, 0, "", 1024L));
    assertEquals(segment, created.getSegment());
    UUID uuid = UUID.randomUUID();
    AppendSetup setup = (AppendSetup) sendRequest(channel, new SetupAppend(2, uuid, segment, ""));
    assertEquals(segment, setup.getSegment());
    assertEquals(uuid, setup.getWriterId());
    DataAppended ack = (DataAppended) sendRequest(channel, new Append(segment, uuid, data.readableBytes(), new Event(data), 1L));
    assertEquals(uuid, ack.getWriterId());
    assertEquals(data.readableBytes(), ack.getEventNumber());
    assertEquals(Long.MIN_VALUE, ack.getPreviousEventNumber());
}