Connecting two server channels efficiently

[beric]

Hello list of a very nice project.
I'm trying to bridge two listening sockets so that any data on each of them
will reach the other. the UNIX way is: "cat fifo | nc -l -p 3344 | nc -l -p
3355 > fifo" Now help me figure the Netty way :) 

My current way of doing that is by having 2 ServerBootstrap, while one of
them(foo) has a SimpleChannelUpstreamHandler that has access to the pipeline
of the other ServerBootstrap(bar) by holding a ChannelPiple member.

Then, in channelOpen I'm trying to add an OutboundHAndler(from HexDumpProxy)
to the channelpipeline of bar.
It looks like this:

 @Override
    public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e)
throws Exception {
    //Suspend incoming traffic
    final Channel inboundChannel = e.getChannel();
    inboundChannel.setReadable(false);
    this.sb2piChannelPipeline.addLast("handler-sb2", new
OutboundHandler(e.getChannel()));
    }

However I get a IllegalArgumentException : Duplicate handler name.
I guess I did something wrong. I would like to know why, or any (probably
better) alternative implementation of what I'm trying to do here.
Thanks.

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