src/main/java/com/alipay/remoting/util/RemotingUtil.java
public static String parseLocalIP(final Channel channel) {
        if (null == channel) {
            return StringUtils.EMPTY;
        }
        final InetSocketAddress local = (InetSocketAddress) channel.localAddress();
        if (local != null) {
            return local.getAddress().getHostAddress();
        }
        return StringUtils.EMPTY;
    }
public static String parseLocalIP(final Channel channel) {
        if (null == channel) {
            return StringUtils.EMPTY;
        }
        final InetSocketAddress local = (InetSocketAddress) channel.localAddress();
        if (local != null) {
            return local.getAddress().getHostAddress();
        }
        return StringUtils.EMPTY;
    }
public static String parseLocalIP ( final Channel channel ) { if ( null == channel ) { return StringUtils . EMPTY ; } final InetSocketAddress local = ( InetSocketAddress ) channel . localAddress ( ) ; if ( local != null ) { return local . getAddress ( ) . getHostAddress ( ) ; } return StringUtils . EMPTY ; }
Parse the local host ip of the channel.

@param channel
@return
Parse the local host ip of the channel .