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POCustom Netty ServerChannel implementation
 

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  1. POCustom Netty ServerChannel implementation
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    <p>I have two systems I'd like to integrate, one which uses a completely in-house networking stack, and one (specifically Flazr) which uses Netty. I want to proxy the Flazr Netty-based RTMP stream over our in-house HTTP stack, to yield a system that speaks RTMPT. </p> <p>To accomplish this, I need a Netty object that acts like a socket, but lets me do all of the "low-level" stuff myself - basically just wrapping the data in HTTP and passing it down our custom networking stack. In other words, I don't want Netty to manage any sockets for me - I want to insert my own stuff between the socket and Netty.</p> <p>I suspect that the right way to go about this is to extend AbstractServerChannel and create a *Factory class, but I'm uncertain as to how the rest of Netty expects data to be flowing through the ServerChannel.</p> <p>My custom ServerChannel need to be able to:</p> <ul> <li><p>Notify Netty when a new client connects via our existing HTTP system</p></li> <li><p>Push data up to Netty, when it arrives</p></li> <li><p>Poll for new messages from Netty, at the request of a client</p></li> <li><p>Clean up Netty state when the HTTP session times out (or the RTMP stream is closed cleanly)</p></li> </ul> <p>Any pointers on how ServerChannel, ServerChannelFactory are to be implemented? I found the javadocs rather lacking in this area.</p> <p>Some specific questions:</p> <ul> <li><p>How should my implementation respond to "InterestOps"-type stuff?</p></li> <li><p>Is ServerChannel.write what is called for messages that come all the way down the stack? What's up with the two different overloads?</p></li> <li><p>How do I need to implement ServerChannel.(dis)connect?</p></li> <li><p>Should I still do all of this stuff through ServerBootstrap, or is that too high-level for this stuff?</p></li> </ul> <p>Thanks!</p> <p>Before anyone asks: YES, I would love to replace our custom networking stack with a Netty-based one, but that's a large engineering task that I'd have a hard time justifying. Baby steps.</p>
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    1. USJoshua Warner
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