Examples with MessageDeserializer org.apache.ignite.network.serialization.MessageDeserializer used on opensource projects

Example 1 with MessageDeserializer

use of org.apache.ignite.network.serialization.MessageDeserializer in project ignite-3 by apache.

the class NettyServerTest method testHandshakeManagerInvoked.

/**
 * Tests that handshake manager is invoked upon a client connecting to a server.
 *
 * @throws Exception If failed.
 */
@Test
public void testHandshakeManagerInvoked() throws Exception {
    HandshakeManager handshakeManager = mock(HandshakeManager.class);
    when(handshakeManager.handshakeFuture()).thenReturn(CompletableFuture.completedFuture(mock(NettySender.class)));
    HandshakeResult noOp = HandshakeResult.noOp();
    when(handshakeManager.init(any())).thenReturn(noOp);
    when(handshakeManager.onConnectionOpen(any())).thenReturn(noOp);
    when(handshakeManager.onMessage(any(), any())).thenReturn(noOp);
    MessageSerializationRegistry registry = mock(MessageSerializationRegistry.class);
    when(registry.createDeserializer(anyShort(), anyShort())).thenReturn(new MessageDeserializer<>() {

        /**
         * {@inheritDoc}
         */
        @Override
        public boolean readMessage(MessageReader reader) throws MessageMappingException {
            return true;
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public Class<NetworkMessage> klass() {
            return NetworkMessage.class;
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public NetworkMessage getMessage() {
            return mock(NetworkMessage.class);
        }
    });
    bootstrapFactory = new NettyBootstrapFactory(serverCfg, "");
    bootstrapFactory.start();
    server = new NettyServer(serverCfg.value(), () -> handshakeManager, sender -> {
    }, (message) -> {
    }, new SerializationService(registry, mock(UserObjectSerializationContext.class)), bootstrapFactory);
    server.start().get(3, TimeUnit.SECONDS);
    CompletableFuture<Channel> connectFut = NettyUtils.toChannelCompletableFuture(new Bootstrap().channel(NioSocketChannel.class).group(new NioEventLoopGroup()).handler(new ChannelInitializer<>() {

        /**
         * {@inheritDoc}
         */
        @Override
        protected void initChannel(Channel ch) throws Exception {
        // No-op.
        }
    }).connect(server.address()));
    Channel channel = connectFut.get(3, TimeUnit.SECONDS);
    ByteBuf buffer = ByteBufAllocator.DEFAULT.buffer();
    // One message only.
    for (int i = 0; i < (NetworkMessage.MSG_TYPE_SIZE_BYTES + 1); i++) {
        buffer.writeByte(1);
    }
    channel.writeAndFlush(buffer).get(3, TimeUnit.SECONDS);
    channel.close().get(3, TimeUnit.SECONDS);
    InOrder order = Mockito.inOrder(handshakeManager);
    order.verify(handshakeManager, timeout()).init(any());
    order.verify(handshakeManager, timeout()).handshakeFuture();
    order.verify(handshakeManager, timeout()).onConnectionOpen(any());
    order.verify(handshakeManager, timeout()).onMessage(any(), any());
}

Example 2 with MessageDeserializer

use of org.apache.ignite.network.serialization.MessageDeserializer in project ignite-3 by apache.

the class SerializationFactoryGenerator method generateFactory.

/**
 * Generates a {@link MessageSerializationFactory} class for the given network message type.
 *
 * @param message      network message
 * @param serializer   {@link MessageSerializer}, generated for the given {@code message}
 * @param deserializer {@link MessageDeserializer}, generated for the given {@code message}
 * @return {@code TypeSpec} of the generated {@code MessageSerializationFactory}
 */
public TypeSpec generateFactory(MessageClass message, TypeSpec serializer, TypeSpec deserializer) {
    processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Generating a MessageSerializationFactory", message.element());
    ClassName messageFactoryClassName = messageGroup.messageFactoryClassName();
    FieldSpec messageFactoryField = FieldSpec.builder(messageFactoryClassName, "messageFactory").addModifiers(Modifier.PRIVATE, Modifier.FINAL).build();
    return TypeSpec.classBuilder(message.simpleName() + "SerializationFactory").addModifiers(Modifier.PUBLIC).addSuperinterface(ParameterizedTypeName.get(ClassName.get(MessageSerializationFactory.class), message.className())).addField(messageFactoryField).addMethod(MethodSpec.constructorBuilder().addModifiers(Modifier.PUBLIC).addParameter(messageFactoryClassName, "messageFactory").addStatement("this.$N = messageFactory", messageFactoryField).build()).addMethod(MethodSpec.methodBuilder("createDeserializer").addAnnotation(Override.class).addModifiers(Modifier.PUBLIC).returns(ParameterizedTypeName.get(ClassName.get(MessageDeserializer.class), message.className())).addStatement("return new $N($N)", deserializer, messageFactoryField).build()).addMethod(MethodSpec.methodBuilder("createSerializer").addAnnotation(Override.class).addModifiers(Modifier.PUBLIC).returns(ParameterizedTypeName.get(ClassName.get(MessageSerializer.class), message.className())).addStatement("return new $N()", serializer).build()).addOriginatingElement(message.element()).addOriginatingElement(messageGroup.element()).build();
}

Example 3 with MessageDeserializer

use of org.apache.ignite.network.serialization.MessageDeserializer in project ignite-3 by apache.

the class InboundDecoder method decode.

/**
 * {@inheritDoc}
 */
@Override
public void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
    ByteBuffer buffer = in.nioBuffer();
    Attribute<MessageReader> readerAttr = ctx.channel().attr(READER_KEY);
    MessageReader reader = readerAttr.get();
    if (reader == null) {
        reader = new DirectMessageReader(serializationService, ConnectionManager.DIRECT_PROTOCOL_VERSION);
        readerAttr.set(reader);
    }
    Attribute<MessageDeserializer<NetworkMessage>> messageAttr = ctx.channel().attr(DESERIALIZER_KEY);
    while (buffer.hasRemaining()) {
        int initialNioBufferPosition = buffer.position();
        MessageDeserializer<NetworkMessage> msg = messageAttr.get();
        try {
            // Read message type.
            if (msg == null) {
                if (buffer.remaining() >= NetworkMessage.MSG_TYPE_SIZE_BYTES) {
                    msg = serializationService.createMessageDeserializer(DirectMarshallingUtils.getShort(buffer), DirectMarshallingUtils.getShort(buffer));
                } else {
                    break;
                }
            }
            boolean finished = false;
            // Read message if buffer has remaining data.
            if (msg != null && buffer.hasRemaining()) {
                reader.setCurrentReadClass(msg.klass());
                reader.setBuffer(buffer);
                finished = msg.readMessage(reader);
            }
            int readBytes = buffer.position() - initialNioBufferPosition;
            // Set read position to Netty's ByteBuf.
            in.readerIndex(in.readerIndex() + readBytes);
            if (finished) {
                reader.reset();
                messageAttr.set(null);
                NetworkMessage message = msg.getMessage();
                if (message instanceof ClassDescriptorListMessage) {
                    onClassDescriptorMessage((ClassDescriptorListMessage) message);
                } else {
                    out.add(message);
                }
            } else {
                messageAttr.set(msg);
            }
            if (readBytes == 0) {
                // less than N bytes available.
                break;
            }
        } catch (Throwable e) {
            if (LOG.isDebugEnabled()) {
                LOG.debug(String.format("Failed to read message [msg=%s, buf=%s, reader=%s]: %s", msg, buffer, reader, e.getMessage()), e);
            }
            throw e;
        }
    }
}