org.apache.flink.queryablestate.messages.KvStateInternalRequest Java Examples
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org.apache.flink.queryablestate.messages.KvStateInternalRequest.
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Example #1
Source File: KvStateClientProxyHandler.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
private CompletableFuture<KvStateResponse> getState( final KvStateRequest request, final boolean forceUpdate) { return getKvStateLookupInfo(request.getJobId(), request.getStateName(), forceUpdate) .thenComposeAsync((Function<KvStateLocation, CompletableFuture<KvStateResponse>>) location -> { final int keyGroupIndex = KeyGroupRangeAssignment.computeKeyGroupForKeyHash( request.getKeyHashCode(), location.getNumKeyGroups()); final InetSocketAddress serverAddress = location.getKvStateServerAddress(keyGroupIndex); if (serverAddress == null) { return FutureUtils.completedExceptionally(new UnknownKvStateKeyGroupLocationException(getServerName())); } else { // Query server final KvStateID kvStateId = location.getKvStateID(keyGroupIndex); final KvStateInternalRequest internalRequest = new KvStateInternalRequest( kvStateId, request.getSerializedKeyAndNamespace()); return kvStateClient.sendRequest(serverAddress, internalRequest); } }, queryExecutor); }
Example #2
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests response serialization with zero-length serialized result. */ @Test public void testResponseSerializationWithZeroLengthSerializedResult() throws Exception { byte[] serializedResult = new byte[0]; final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, 72727278L, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(72727278L, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
Example #3
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests response serialization. */ @Test public void testResponseSerialization() throws Exception { long requestId = Integer.MAX_VALUE + 72727278L; byte[] serializedResult = randomByteArray(1024); final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, requestId, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
Example #4
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests request serialization with zero-length serialized key and namespace. */ @Test public void testRequestSerializationWithZeroLengthKeyAndNamespace() throws Exception { long requestId = Integer.MAX_VALUE + 1337L; KvStateID kvStateId = new KvStateID(); byte[] serializedKeyAndNamespace = new byte[0]; final KvStateInternalRequest request = new KvStateInternalRequest(kvStateId, serializedKeyAndNamespace); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeRequest(alloc, requestId, request); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateInternalRequest requestDeser = serializer.deserializeRequest(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertEquals(kvStateId, requestDeser.getKvStateId()); assertArrayEquals(serializedKeyAndNamespace, requestDeser.getSerializedKeyAndNamespace()); }
Example #5
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests request serialization. */ @Test public void testRequestSerialization() throws Exception { long requestId = Integer.MAX_VALUE + 1337L; KvStateID kvStateId = new KvStateID(); byte[] serializedKeyAndNamespace = randomByteArray(1024); final KvStateInternalRequest request = new KvStateInternalRequest(kvStateId, serializedKeyAndNamespace); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeRequest(alloc, requestId, request); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateInternalRequest requestDeser = serializer.deserializeRequest(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertEquals(kvStateId, requestDeser.getKvStateId()); assertArrayEquals(serializedKeyAndNamespace, requestDeser.getSerializedKeyAndNamespace()); }
Example #6
Source File: KvStateServerHandler.java From flink with Apache License 2.0 | 6 votes |
@Override public CompletableFuture<KvStateResponse> handleRequest(final long requestId, final KvStateInternalRequest request) { final CompletableFuture<KvStateResponse> responseFuture = new CompletableFuture<>(); try { final KvStateEntry<?, ?, ?> kvState = registry.getKvState(request.getKvStateId()); if (kvState == null) { responseFuture.completeExceptionally(new UnknownKvStateIdException(getServerName(), request.getKvStateId())); } else { byte[] serializedKeyAndNamespace = request.getSerializedKeyAndNamespace(); byte[] serializedResult = getSerializedValue(kvState, serializedKeyAndNamespace); if (serializedResult != null) { responseFuture.complete(new KvStateResponse(serializedResult)); } else { responseFuture.completeExceptionally(new UnknownKeyOrNamespaceException(getServerName())); } } return responseFuture; } catch (Throwable t) { String errMsg = "Error while processing request with ID " + requestId + ". Caused by: " + ExceptionUtils.stringifyException(t); responseFuture.completeExceptionally(new RuntimeException(errMsg)); return responseFuture; } }
Example #7
Source File: KvStateClientProxyHandler.java From flink with Apache License 2.0 | 6 votes |
private CompletableFuture<KvStateResponse> getState( final KvStateRequest request, final boolean forceUpdate) { return getKvStateLookupInfo(request.getJobId(), request.getStateName(), forceUpdate) .thenComposeAsync((Function<KvStateLocation, CompletableFuture<KvStateResponse>>) location -> { final int keyGroupIndex = KeyGroupRangeAssignment.computeKeyGroupForKeyHash( request.getKeyHashCode(), location.getNumKeyGroups()); final InetSocketAddress serverAddress = location.getKvStateServerAddress(keyGroupIndex); if (serverAddress == null) { return FutureUtils.completedExceptionally(new UnknownKvStateKeyGroupLocationException(getServerName())); } else { // Query server final KvStateID kvStateId = location.getKvStateID(keyGroupIndex); final KvStateInternalRequest internalRequest = new KvStateInternalRequest( kvStateId, request.getSerializedKeyAndNamespace()); return kvStateClient.sendRequest(serverAddress, internalRequest); } }, queryExecutor); }
Example #8
Source File: KvStateServerHandlerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests that the channel is closed if an Exception reaches the channel handler. */ @Test public void testCloseChannelOnExceptionCaught() throws Exception { KvStateRegistry registry = new KvStateRegistry(); AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats(); MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats); EmbeddedChannel channel = new EmbeddedChannel(handler); channel.pipeline().fireExceptionCaught(new RuntimeException("Expected test Exception")); ByteBuf buf = (ByteBuf) readInboundBlocking(channel); buf.skipBytes(4); // skip frame length // Verify the response assertEquals(MessageType.SERVER_FAILURE, MessageSerializer.deserializeHeader(buf)); Throwable response = MessageSerializer.deserializeServerFailure(buf); assertTrue(response.getMessage().contains("Expected test Exception")); channel.closeFuture().await(READ_TIMEOUT_MILLIS); assertFalse(channel.isActive()); }
Example #9
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests response serialization with zero-length serialized result. */ @Test public void testResponseSerializationWithZeroLengthSerializedResult() throws Exception { byte[] serializedResult = new byte[0]; final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, 72727278L, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(72727278L, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
Example #10
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests response serialization. */ @Test public void testResponseSerialization() throws Exception { long requestId = Integer.MAX_VALUE + 72727278L; byte[] serializedResult = randomByteArray(1024); final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, requestId, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
Example #11
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests request serialization with zero-length serialized key and namespace. */ @Test public void testRequestSerializationWithZeroLengthKeyAndNamespace() throws Exception { long requestId = Integer.MAX_VALUE + 1337L; KvStateID kvStateId = new KvStateID(); byte[] serializedKeyAndNamespace = new byte[0]; final KvStateInternalRequest request = new KvStateInternalRequest(kvStateId, serializedKeyAndNamespace); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeRequest(alloc, requestId, request); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateInternalRequest requestDeser = serializer.deserializeRequest(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertEquals(kvStateId, requestDeser.getKvStateId()); assertArrayEquals(serializedKeyAndNamespace, requestDeser.getSerializedKeyAndNamespace()); }
Example #12
Source File: MessageSerializerTest.java From flink with Apache License 2.0 | 6 votes |
/** * Tests request serialization. */ @Test public void testRequestSerialization() throws Exception { long requestId = Integer.MAX_VALUE + 1337L; KvStateID kvStateId = new KvStateID(); byte[] serializedKeyAndNamespace = randomByteArray(1024); final KvStateInternalRequest request = new KvStateInternalRequest(kvStateId, serializedKeyAndNamespace); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeRequest(alloc, requestId, request); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateInternalRequest requestDeser = serializer.deserializeRequest(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertEquals(kvStateId, requestDeser.getKvStateId()); assertArrayEquals(serializedKeyAndNamespace, requestDeser.getSerializedKeyAndNamespace()); }
Example #13
Source File: KvStateServerHandler.java From flink with Apache License 2.0 | 6 votes |
@Override public CompletableFuture<KvStateResponse> handleRequest(final long requestId, final KvStateInternalRequest request) { final CompletableFuture<KvStateResponse> responseFuture = new CompletableFuture<>(); try { final KvStateEntry<?, ?, ?> kvState = registry.getKvState(request.getKvStateId()); if (kvState == null) { responseFuture.completeExceptionally(new UnknownKvStateIdException(getServerName(), request.getKvStateId())); } else { byte[] serializedKeyAndNamespace = request.getSerializedKeyAndNamespace(); byte[] serializedResult = getSerializedValue(kvState, serializedKeyAndNamespace); if (serializedResult != null) { responseFuture.complete(new KvStateResponse(serializedResult)); } else { responseFuture.completeExceptionally(new UnknownKeyOrNamespaceException(getServerName())); } } return responseFuture; } catch (Throwable t) { String errMsg = "Error while processing request with ID " + requestId + ". Caused by: " + ExceptionUtils.stringifyException(t); responseFuture.completeExceptionally(new RuntimeException(errMsg)); return responseFuture; } }
Example #14
Source File: KvStateClientProxyHandler.java From flink with Apache License 2.0 | 6 votes |
private CompletableFuture<KvStateResponse> getState( final KvStateRequest request, final boolean forceUpdate) { return getKvStateLookupInfo(request.getJobId(), request.getStateName(), forceUpdate) .thenComposeAsync((Function<KvStateLocation, CompletableFuture<KvStateResponse>>) location -> { final int keyGroupIndex = KeyGroupRangeAssignment.computeKeyGroupForKeyHash( request.getKeyHashCode(), location.getNumKeyGroups()); final InetSocketAddress serverAddress = location.getKvStateServerAddress(keyGroupIndex); if (serverAddress == null) { return FutureUtils.completedExceptionally(new UnknownKvStateKeyGroupLocationException(getServerName())); } else { // Query server final KvStateID kvStateId = location.getKvStateID(keyGroupIndex); final KvStateInternalRequest internalRequest = new KvStateInternalRequest( kvStateId, request.getSerializedKeyAndNamespace()); return kvStateClient.sendRequest(serverAddress, internalRequest); } }, queryExecutor); }
Example #15
Source File: KvStateServerHandlerTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Tests that the channel is closed if an Exception reaches the channel handler. */ @Test public void testCloseChannelOnExceptionCaught() throws Exception { KvStateRegistry registry = new KvStateRegistry(); AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats(); MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats); EmbeddedChannel channel = new EmbeddedChannel(handler); channel.pipeline().fireExceptionCaught(new RuntimeException("Expected test Exception")); ByteBuf buf = (ByteBuf) readInboundBlocking(channel); buf.skipBytes(4); // skip frame length // Verify the response assertEquals(MessageType.SERVER_FAILURE, MessageSerializer.deserializeHeader(buf)); Throwable response = MessageSerializer.deserializeServerFailure(buf); assertTrue(response.getMessage().contains("Expected test Exception")); channel.closeFuture().await(READ_TIMEOUT_MILLIS); assertFalse(channel.isActive()); }
Example #16
Source File: KvStateServerHandler.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public CompletableFuture<KvStateResponse> handleRequest(final long requestId, final KvStateInternalRequest request) { final CompletableFuture<KvStateResponse> responseFuture = new CompletableFuture<>(); try { final KvStateEntry<?, ?, ?> kvState = registry.getKvState(request.getKvStateId()); if (kvState == null) { responseFuture.completeExceptionally(new UnknownKvStateIdException(getServerName(), request.getKvStateId())); } else { byte[] serializedKeyAndNamespace = request.getSerializedKeyAndNamespace(); byte[] serializedResult = getSerializedValue(kvState, serializedKeyAndNamespace); if (serializedResult != null) { responseFuture.complete(new KvStateResponse(serializedResult)); } else { responseFuture.completeExceptionally(new UnknownKeyOrNamespaceException(getServerName())); } } return responseFuture; } catch (Throwable t) { String errMsg = "Error while processing request with ID " + requestId + ". Caused by: " + ExceptionUtils.stringifyException(t); responseFuture.completeExceptionally(new RuntimeException(errMsg)); return responseFuture; } }
Example #17
Source File: MessageSerializerTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Tests request serialization. */ @Test public void testRequestSerialization() throws Exception { long requestId = Integer.MAX_VALUE + 1337L; KvStateID kvStateId = new KvStateID(); byte[] serializedKeyAndNamespace = randomByteArray(1024); final KvStateInternalRequest request = new KvStateInternalRequest(kvStateId, serializedKeyAndNamespace); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeRequest(alloc, requestId, request); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateInternalRequest requestDeser = serializer.deserializeRequest(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertEquals(kvStateId, requestDeser.getKvStateId()); assertArrayEquals(serializedKeyAndNamespace, requestDeser.getSerializedKeyAndNamespace()); }
Example #18
Source File: MessageSerializerTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Tests request serialization with zero-length serialized key and namespace. */ @Test public void testRequestSerializationWithZeroLengthKeyAndNamespace() throws Exception { long requestId = Integer.MAX_VALUE + 1337L; KvStateID kvStateId = new KvStateID(); byte[] serializedKeyAndNamespace = new byte[0]; final KvStateInternalRequest request = new KvStateInternalRequest(kvStateId, serializedKeyAndNamespace); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeRequest(alloc, requestId, request); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateInternalRequest requestDeser = serializer.deserializeRequest(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertEquals(kvStateId, requestDeser.getKvStateId()); assertArrayEquals(serializedKeyAndNamespace, requestDeser.getSerializedKeyAndNamespace()); }
Example #19
Source File: MessageSerializerTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Tests response serialization with zero-length serialized result. */ @Test public void testResponseSerializationWithZeroLengthSerializedResult() throws Exception { byte[] serializedResult = new byte[0]; final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, 72727278L, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(72727278L, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
Example #20
Source File: MessageSerializerTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
/** * Tests response serialization. */ @Test public void testResponseSerialization() throws Exception { long requestId = Integer.MAX_VALUE + 72727278L; byte[] serializedResult = randomByteArray(1024); final KvStateResponse response = new KvStateResponse(serializedResult); final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); ByteBuf buf = MessageSerializer.serializeResponse(alloc, requestId, response); int frameLength = buf.readInt(); assertEquals(MessageType.REQUEST_RESULT, MessageSerializer.deserializeHeader(buf)); assertEquals(requestId, MessageSerializer.getRequestId(buf)); KvStateResponse responseDeser = serializer.deserializeResponse(buf); assertEquals(buf.readerIndex(), frameLength + 4); assertArrayEquals(serializedResult, responseDeser.getContent()); }
Example #21
Source File: KvStateServerHandlerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests the failure response with {@link UnknownKvStateIdException} as cause on * queries for unregistered KvStateIDs. */ @Test public void testQueryUnknownKvStateID() throws Exception { KvStateRegistry registry = new KvStateRegistry(); AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats(); MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats); EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler); long requestId = Integer.MAX_VALUE + 182828L; KvStateInternalRequest request = new KvStateInternalRequest(new KvStateID(), new byte[0]); ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), requestId, request); // Write the request and wait for the response channel.writeInbound(serRequest); ByteBuf buf = (ByteBuf) readInboundBlocking(channel); buf.skipBytes(4); // skip frame length // Verify the response assertEquals(MessageType.REQUEST_FAILURE, MessageSerializer.deserializeHeader(buf)); RequestFailure response = MessageSerializer.deserializeRequestFailure(buf); buf.release(); assertEquals(requestId, response.getRequestId()); assertTrue("Did not respond with expected failure cause", response.getCause() instanceof UnknownKvStateIdException); assertEquals(1L, stats.getNumRequests()); assertEquals(1L, stats.getNumFailed()); }
Example #22
Source File: KvStateServerHandler.java From flink with Apache License 2.0 | 5 votes |
/** * Create the handler used by the {@link KvStateServerImpl}. * * @param server the {@link KvStateServerImpl} using the handler. * @param kvStateRegistry registry to query. * @param serializer the {@link MessageSerializer} used to (de-) serialize the different messages. * @param stats server statistics collector. */ public KvStateServerHandler( final KvStateServerImpl server, final KvStateRegistry kvStateRegistry, final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer, final KvStateRequestStats stats) { super(server, serializer, stats); this.registry = Preconditions.checkNotNull(kvStateRegistry); }
Example #23
Source File: KvStateServerImpl.java From flink with Apache License 2.0 | 5 votes |
@Override public AbstractServerHandler<KvStateInternalRequest, KvStateResponse> initializeHandler() { this.serializer = new MessageSerializer<>( new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); return new KvStateServerHandler(this, kvStateRegistry, serializer, stats); }
Example #24
Source File: KvStateClientProxyHandler.java From flink with Apache License 2.0 | 5 votes |
private static Client<KvStateInternalRequest, KvStateResponse> createInternalClient(int threads) { final MessageSerializer<KvStateInternalRequest, KvStateResponse> messageSerializer = new MessageSerializer<>( new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); return new Client<>( "Queryable State Proxy Client", threads, messageSerializer, new DisabledKvStateRequestStats()); }
Example #25
Source File: KvStateServerHandler.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
/** * Create the handler used by the {@link KvStateServerImpl}. * * @param server the {@link KvStateServerImpl} using the handler. * @param kvStateRegistry registry to query. * @param serializer the {@link MessageSerializer} used to (de-) serialize the different messages. * @param stats server statistics collector. */ public KvStateServerHandler( final KvStateServerImpl server, final KvStateRegistry kvStateRegistry, final MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer, final KvStateRequestStats stats) { super(server, serializer, stats); this.registry = Preconditions.checkNotNull(kvStateRegistry); }
Example #26
Source File: KvStateServerHandlerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests that incoming buffer instances are recycled. */ @Test public void testIncomingBufferIsRecycled() throws Exception { KvStateRegistry registry = new KvStateRegistry(); AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats(); MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats); EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler); KvStateInternalRequest request = new KvStateInternalRequest(new KvStateID(), new byte[0]); ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), 282872L, request); assertEquals(1L, serRequest.refCnt()); // Write regular request channel.writeInbound(serRequest); assertEquals("Buffer not recycled", 0L, serRequest.refCnt()); // Write unexpected msg ByteBuf unexpected = channel.alloc().buffer(8); unexpected.writeInt(4); unexpected.writeInt(4); assertEquals(1L, unexpected.refCnt()); channel.writeInbound(unexpected); assertEquals("Buffer not recycled", 0L, unexpected.refCnt()); }
Example #27
Source File: KvStateServerImpl.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
@Override public AbstractServerHandler<KvStateInternalRequest, KvStateResponse> initializeHandler() { this.serializer = new MessageSerializer<>( new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); return new KvStateServerHandler(this, kvStateRegistry, serializer, stats); }
Example #28
Source File: KvStateClientProxyHandler.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
private static Client<KvStateInternalRequest, KvStateResponse> createInternalClient(int threads) { final MessageSerializer<KvStateInternalRequest, KvStateResponse> messageSerializer = new MessageSerializer<>( new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); return new Client<>( "Queryable State Proxy Client", threads, messageSerializer, new DisabledKvStateRequestStats()); }
Example #29
Source File: KvStateServerHandlerTest.java From flink with Apache License 2.0 | 5 votes |
/** * Tests the failure response with {@link UnknownKvStateIdException} as cause on * queries for unregistered KvStateIDs. */ @Test public void testQueryUnknownKvStateID() throws Exception { KvStateRegistry registry = new KvStateRegistry(); AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats(); MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats); EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler); long requestId = Integer.MAX_VALUE + 182828L; KvStateInternalRequest request = new KvStateInternalRequest(new KvStateID(), new byte[0]); ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), requestId, request); // Write the request and wait for the response channel.writeInbound(serRequest); ByteBuf buf = (ByteBuf) readInboundBlocking(channel); buf.skipBytes(4); // skip frame length // Verify the response assertEquals(MessageType.REQUEST_FAILURE, MessageSerializer.deserializeHeader(buf)); RequestFailure response = MessageSerializer.deserializeRequestFailure(buf); assertEquals(requestId, response.getRequestId()); assertTrue("Did not respond with expected failure cause", response.getCause() instanceof UnknownKvStateIdException); assertEquals(1L, stats.getNumRequests()); assertEquals(1L, stats.getNumFailed()); }
Example #30
Source File: KvStateServerHandlerTest.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
/** * Tests the failure response with {@link UnknownKvStateIdException} as cause on * queries for unregistered KvStateIDs. */ @Test public void testQueryUnknownKvStateID() throws Exception { KvStateRegistry registry = new KvStateRegistry(); AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats(); MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer()); KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats); EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler); long requestId = Integer.MAX_VALUE + 182828L; KvStateInternalRequest request = new KvStateInternalRequest(new KvStateID(), new byte[0]); ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), requestId, request); // Write the request and wait for the response channel.writeInbound(serRequest); ByteBuf buf = (ByteBuf) readInboundBlocking(channel); buf.skipBytes(4); // skip frame length // Verify the response assertEquals(MessageType.REQUEST_FAILURE, MessageSerializer.deserializeHeader(buf)); RequestFailure response = MessageSerializer.deserializeRequestFailure(buf); assertEquals(requestId, response.getRequestId()); assertTrue("Did not respond with expected failure cause", response.getCause() instanceof UnknownKvStateIdException); assertEquals(1L, stats.getNumRequests()); assertEquals(1L, stats.getNumFailed()); }