Examples with VersionDecoder org.neo4j.causalclustering.VersionDecoder used on opensource projects

Example 1 with VersionDecoder

use of org.neo4j.causalclustering.VersionDecoder in project neo4j by neo4j.

the class CatchUpClientChannelPipeline method initChannel.

static void initChannel(SocketChannel ch, CatchUpResponseHandler handler, LogProvider logProvider, Monitors monitors) throws Exception {
    CatchupClientProtocol protocol = new CatchupClientProtocol();
    ChannelPipeline pipeline = ch.pipeline();
    pipeline.addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
    pipeline.addLast(new LengthFieldPrepender(4));
    pipeline.addLast(new VersionDecoder(logProvider));
    pipeline.addLast(new VersionPrepender());
    pipeline.addLast(new TxPullRequestEncoder());
    pipeline.addLast(new GetStoreRequestEncoder());
    pipeline.addLast(new CoreSnapshotRequestEncoder());
    pipeline.addLast(new GetStoreIdRequestEncoder());
    pipeline.addLast(new ResponseMessageTypeEncoder());
    pipeline.addLast(new RequestMessageTypeEncoder());
    pipeline.addLast(new ClientMessageTypeHandler(protocol, logProvider));
    RequestDecoderDispatcher<CatchupClientProtocol.State> decoderDispatcher = new RequestDecoderDispatcher<>(protocol, logProvider);
    decoderDispatcher.register(CatchupClientProtocol.State.STORE_ID, new GetStoreIdResponseDecoder());
    decoderDispatcher.register(CatchupClientProtocol.State.TX_PULL_RESPONSE, new TxPullResponseDecoder());
    decoderDispatcher.register(CatchupClientProtocol.State.CORE_SNAPSHOT, new CoreSnapshotDecoder());
    decoderDispatcher.register(CatchupClientProtocol.State.STORE_COPY_FINISHED, new StoreCopyFinishedResponseDecoder());
    decoderDispatcher.register(CatchupClientProtocol.State.TX_STREAM_FINISHED, new TxStreamFinishedResponseDecoder());
    decoderDispatcher.register(CatchupClientProtocol.State.FILE_HEADER, new FileHeaderDecoder());
    decoderDispatcher.register(CatchupClientProtocol.State.FILE_CONTENTS, new FileChunkDecoder());
    pipeline.addLast(decoderDispatcher);
    pipeline.addLast(new TxPullResponseHandler(protocol, handler));
    pipeline.addLast(new CoreSnapshotResponseHandler(protocol, handler));
    pipeline.addLast(new StoreCopyFinishedResponseHandler(protocol, handler));
    pipeline.addLast(new TxStreamFinishedResponseHandler(protocol, handler));
    pipeline.addLast(new FileHeaderHandler(protocol, handler, logProvider));
    pipeline.addLast(new FileChunkHandler(protocol, handler));
    pipeline.addLast(new GetStoreIdResponseHandler(protocol, handler));
    pipeline.addLast(new ExceptionLoggingHandler(logProvider.getLog(CatchUpClient.class)));
    pipeline.addLast(new ExceptionMonitoringHandler(monitors.newMonitor(ExceptionMonitoringHandler.Monitor.class, CatchUpClient.class)));
    pipeline.addLast(new ExceptionSwallowingHandler());
}

Example 2 with VersionDecoder

use of org.neo4j.causalclustering.VersionDecoder in project neo4j by neo4j.

the class RaftServer method startNettyServer.

private void startNettyServer() {
    workerGroup = new NioEventLoopGroup(0, threadFactory);
    log.info("Starting server at: " + listenAddress);
    ServerBootstrap bootstrap = new ServerBootstrap().group(workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_REUSEADDR, true).localAddress(listenAddress.socketAddress()).childHandler(new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline pipeline = ch.pipeline();
            pipeline.addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
            pipeline.addLast(new LengthFieldPrepender(4));
            pipeline.addLast(new VersionDecoder(logProvider));
            pipeline.addLast(new VersionPrepender());
            pipeline.addLast(new RaftMessageDecoder(marshal));
            pipeline.addLast(new RaftMessageHandler());
            pipeline.addLast(new ExceptionLoggingHandler(log));
            pipeline.addLast(new ExceptionMonitoringHandler(monitors.newMonitor(ExceptionMonitoringHandler.Monitor.class, RaftServer.class)));
            pipeline.addLast(new ExceptionSwallowingHandler());
        }
    });
    try {
        channel = bootstrap.bind().syncUninterruptibly().channel();
    } catch (Exception e) {
        //noinspection ConstantConditions
        if (e instanceof BindException) {
            userLog.error("Address is already bound for setting: " + setting + " with value: " + listenAddress);
            log.error("Address is already bound for setting: " + setting + " with value: " + listenAddress, e);
            throw e;
        }
    }
}

Example 3 with VersionDecoder

use of org.neo4j.causalclustering.VersionDecoder in project neo4j by neo4j.

the class CatchupServer method start.

@Override
public synchronized void start() throws Throwable {
    if (channel != null) {
        return;
    }
    workerGroup = new NioEventLoopGroup(0, threadFactory);
    ServerBootstrap bootstrap = new ServerBootstrap().group(workerGroup).channel(NioServerSocketChannel.class).localAddress(listenAddress.socketAddress()).childHandler(new ChannelInitializer<SocketChannel>() {

        @Override
        protected void initChannel(SocketChannel ch) {
            CatchupServerProtocol protocol = new CatchupServerProtocol();
            ChannelPipeline pipeline = ch.pipeline();
            pipeline.addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
            pipeline.addLast(new LengthFieldPrepender(4));
            pipeline.addLast(new VersionDecoder(logProvider));
            pipeline.addLast(new VersionPrepender());
            pipeline.addLast(new ResponseMessageTypeEncoder());
            pipeline.addLast(new RequestMessageTypeEncoder());
            pipeline.addLast(new TxPullResponseEncoder());
            pipeline.addLast(new CoreSnapshotEncoder());
            pipeline.addLast(new GetStoreIdResponseEncoder());
            pipeline.addLast(new StoreCopyFinishedResponseEncoder());
            pipeline.addLast(new TxStreamFinishedResponseEncoder());
            pipeline.addLast(new FileChunkEncoder());
            pipeline.addLast(new FileHeaderEncoder());
            pipeline.addLast(new ServerMessageTypeHandler(protocol, logProvider));
            pipeline.addLast(decoders(protocol));
            pipeline.addLast(new TxPullRequestHandler(protocol, storeIdSupplier, dataSourceAvailabilitySupplier, transactionIdStoreSupplier, logicalTransactionStoreSupplier, txPullBatchSize, monitors, logProvider));
            pipeline.addLast(new ChunkedWriteHandler());
            pipeline.addLast(new GetStoreRequestHandler(protocol, dataSourceSupplier, checkPointerSupplier, fs, pageCache, logProvider, storeCopyCheckPointMutex));
            pipeline.addLast(new GetStoreIdRequestHandler(protocol, storeIdSupplier));
            if (coreState != null) {
                pipeline.addLast(new CoreSnapshotRequestHandler(protocol, coreState));
            }
            pipeline.addLast(new ExceptionLoggingHandler(log));
            pipeline.addLast(new ExceptionMonitoringHandler(monitors.newMonitor(ExceptionMonitoringHandler.Monitor.class, CatchupServer.class)));
            pipeline.addLast(new ExceptionSwallowingHandler());
        }
    });
    try {
        channel = bootstrap.bind().syncUninterruptibly().channel();
    } catch (Exception e) {
        //noinspection ConstantConditions
        if (e instanceof BindException) {
            userLog.error("Address is already bound for setting: " + CausalClusteringSettings.transaction_listen_address + " with value: " + listenAddress);
            log.error("Address is already bound for setting: " + CausalClusteringSettings.transaction_listen_address + " with value: " + listenAddress, e);
            throw e;
        }
    }
}