Examples with SimpleChannelInboundHandler org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler used on opensource projects

Example 31 with SimpleChannelInboundHandler

use of org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler in project atomix by atomix.

the class NettyBroadcastService method bootstrapServer.

private CompletableFuture<Void> bootstrapServer() {
    Bootstrap serverBootstrap = new Bootstrap().group(group).channelFactory(() -> new NioDatagramChannel(InternetProtocolFamily.IPv4)).handler(new SimpleChannelInboundHandler<Object>() {

        @Override
        public void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
        // Nothing will be sent.
        }
    }).option(ChannelOption.IP_MULTICAST_IF, iface).option(ChannelOption.SO_REUSEADDR, true);
    CompletableFuture<Void> future = new CompletableFuture<>();
    serverBootstrap.bind(localAddress).addListener((ChannelFutureListener) f -> {
        if (f.isSuccess()) {
            serverChannel = f.channel();
            future.complete(null);
        } else {
            future.completeExceptionally(f.cause());
        }
    });
    return future;
}

Example 32 with SimpleChannelInboundHandler

use of org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler in project atomix by atomix.

the class NettyBroadcastService method bootstrapClient.

private CompletableFuture<Void> bootstrapClient() {
    Bootstrap clientBootstrap = new Bootstrap().group(group).channelFactory(() -> new NioDatagramChannel(InternetProtocolFamily.IPv4)).handler(new SimpleChannelInboundHandler<DatagramPacket>() {

        @Override
        protected void channelRead0(ChannelHandlerContext context, DatagramPacket packet) throws Exception {
            byte[] payload = new byte[packet.content().readInt()];
            packet.content().readBytes(payload);
            Message message = SERIALIZER.decode(payload);
            Set<Consumer<byte[]>> listeners = NettyBroadcastService.this.listeners.get(message.subject());
            if (listeners != null) {
                for (Consumer<byte[]> listener : listeners) {
                    listener.accept(message.payload());
                }
            }
        }
    }).option(ChannelOption.IP_MULTICAST_IF, iface).option(ChannelOption.SO_REUSEADDR, true).localAddress(localAddress.getPort());
    CompletableFuture<Void> future = new CompletableFuture<>();
    clientBootstrap.bind().addListener((ChannelFutureListener) f -> {
        if (f.isSuccess()) {
            clientChannel = (DatagramChannel) f.channel();
            log.info("{} joining multicast group {} on port {}", localAddress.getHostName(), groupAddress.getHostName(), groupAddress.getPort());
            clientChannel.joinGroup(groupAddress, iface).addListener(f2 -> {
                if (f2.isSuccess()) {
                    log.info("{} successfully joined multicast group {} on port {}", localAddress.getHostName(), groupAddress.getHostName(), groupAddress.getPort());
                    future.complete(null);
                } else {
                    log.info("{} failed to join group {} on port {}", localAddress.getHostName(), groupAddress.getHostName(), groupAddress.getPort());
                    future.completeExceptionally(f2.cause());
                }
            });
        } else {
            future.completeExceptionally(f.cause());
        }
    });
    return future;
}

Example 33 with SimpleChannelInboundHandler

use of org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler in project atomix by atomix.

the class NettyUnicastService method bootstrap.

private CompletableFuture<Void> bootstrap() {
    Bootstrap serverBootstrap = new Bootstrap().group(group).channel(NioDatagramChannel.class).handler(new SimpleChannelInboundHandler<DatagramPacket>() {

        @Override
        protected void channelRead0(ChannelHandlerContext context, DatagramPacket packet) throws Exception {
            byte[] payload = new byte[packet.content().readInt()];
            packet.content().readBytes(payload);
            Message message = SERIALIZER.decode(payload);
            Map<BiConsumer<Address, byte[]>, Executor> listeners = NettyUnicastService.this.listeners.get(message.subject());
            if (listeners != null) {
                listeners.forEach((consumer, executor) -> executor.execute(() -> consumer.accept(message.source(), message.payload())));
            }
        }
    }).option(ChannelOption.RCVBUF_ALLOCATOR, new DefaultMaxBytesRecvByteBufAllocator()).option(ChannelOption.SO_BROADCAST, true).option(ChannelOption.SO_REUSEADDR, true);
    return bind(serverBootstrap);
}