src/main/java/com/alipay/remoting/util/RemotingUtil.java
public static String parseLocalAddress(final Channel channel) {
        if (null == channel) {
            return StringUtils.EMPTY;
        }
        final SocketAddress local = channel.localAddress();
        return doParse(local != null ? local.toString().trim() : StringUtils.EMPTY);
    }
public static String parseLocalAddress(final Channel channel) {
        if (null == channel) {
            return StringUtils.EMPTY;
        }
        final SocketAddress local = channel.localAddress();
        return doParse(local != null ? local.toString().trim() : StringUtils.EMPTY);
    }
Parse the local address of the channel.

@param channel
@return