Example usage for io.netty.util NetUtil LOOPBACK_IF

Introduction

In this page you can find the example usage for io.netty.util NetUtil LOOPBACK_IF.

Prototype

NetworkInterface LOOPBACK_IF

To view the source code for io.netty.util NetUtil LOOPBACK_IF.

Click Source Link

Document

The loopback NetworkInterface of the current machine

Usage

From source file:com.barchart.netty.server.stream.MulticastTransceiver.java

License:BSD License

/**
 * Valid interface or loop back interface for error.
 *//*from ww  w . java2  s  .  c  o  m*/
protected NetworkInterface bindInterface(final InetSocketAddress local) {

    try {

        final InetAddress address = local.getAddress();

        final NetworkInterface iface = NetworkInterface.getByInetAddress(address);

        if (iface == null) {
            throw new IllegalArgumentException("address is not assigned to any iterface : " + address);
        }

        return iface;

    } catch (final Throwable e) {
        return NetUtil.LOOPBACK_IF;
    }

}

---

From source file:com.heliosapm.shorthand.caster.broadcast.BroadcastListener.java

License:Open Source License

/**
 * Starts a listener on the passed socket address
 * @param isa The socket address to listen on
 * @param nic The network interface to listen on
 *///from  w w  w. j  a v  a  2 s .  c o m
public void startListener(InetSocketAddress isa, NetworkInterface nic) {
    Channel channel = null;
    if (isa.getAddress().isMulticastAddress()) {
        channel = bootstrap.group(group).channel(NioDatagramChannel.class)
                //                 .option(ChannelOption.SO_BROADCAST, true)
                .option(ChannelOption.IP_MULTICAST_ADDR, isa.getAddress())
                .option(ChannelOption.SO_REUSEADDR, true)
                .option(ChannelOption.IP_MULTICAST_IF, NetUtil.LOOPBACK_IF)
                .handler(new ChannelInitializer<Channel>() {
                    @Override
                    protected void initChannel(Channel channel) throws Exception {
                        ChannelPipeline pipeline = channel.pipeline();
                        pipeline.addLast(new LoggingHandler(BroadcastListener.class, LogLevel.DEBUG));
                        pipeline.addLast(router);
                    }
                }).localAddress(isa).bind(isa.getPort()).syncUninterruptibly().channel();
        ((NioDatagramChannel) channel).joinGroup(isa, NetUtil.LOOPBACK_IF).syncUninterruptibly();

        //.bind(isa.getPort()).syncUninterruptibly().channel();
        log("Bound to Multicast [%s]", isa);
    } else {
        channel = bootstrap.group(group).channel(NioDatagramChannel.class)
                .option(ChannelOption.SO_BROADCAST, true).handler(new ChannelInitializer<Channel>() {
                    @Override
                    protected void initChannel(Channel channel) throws Exception {
                        ChannelPipeline pipeline = channel.pipeline();
                        pipeline.addLast(new LoggingHandler(BroadcastListener.class, LogLevel.DEBUG));
                        pipeline.addLast(router);
                    }
                }).localAddress(isa).bind(isa).syncUninterruptibly().channel();
        log("Bound to Broadcast UDP [%s]", isa);
    }
    boundChannels.add(channel);

    //.bind().syncUninterruptibly().channel();
    boundChannels.add(channel);
    log("Started Broadcast Listener on [%s]", isa);

}

---

From source file:reactor.ipc.netty.udp.UdpServerTests.java

License:Open Source License

private NetworkInterface findMulticastEnabledIPv4Interface() throws SocketException {
    if (isMulticastEnabledIPv4Interface(NetUtil.LOOPBACK_IF)) {
        return NetUtil.LOOPBACK_IF;
    }/*from  w ww .  ja  v a  2 s. c o m*/

    for (Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces(); ifaces
            .hasMoreElements();) {
        NetworkInterface iface = ifaces.nextElement();
        if (isMulticastEnabledIPv4Interface(iface)) {
            return iface;
        }
    }

    throw new UnsupportedOperationException(
            "This test requires a multicast enabled IPv4 network interface, but " + "none" + " "
                    + "were found");
}

---