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Re: [paho-dev] asynchronous MQTT protocol parser
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Response inline..
On Mon, Jul 08, 2013 at 03:58:56AM -0700, Andy Piper wrote:
> Just curious whether you looked at the async client API that IBM contributed, which is in the develop branch of Eclipse Git at the moment.
The API is asynchronous but the inner socket code and parser is synchronous which won't scale much more than the current implementation.
>
> I believe that there is also a bug open around moving to NIO at some stage but I may not be remembering correctly.
Tried to find one without success :(
> Is the idea of posting this here that you are looking to contribute your implementation in the future?
Yes, I could contribute here if there is some interest.
Julien
>
>
>
> On Mon, Jul 8, 2013 at 11:05 AM, Julien Vermillard <jvermillar@xxxxxxxxxxxxxxxxxx<mailto:jvermillar@xxxxxxxxxxxxxxxxxx>> wrote:
> Hi,
> I wrote a little MQTT protocol codec (decoder/encoder) whih convert ByteBuffer into high level MQTT protocol message and vice-versa).
> https://github.com/jvermillard/mqtt-experiment
>
> The idea is to be able to handle a very large number of simultaneous connections and not blocking a thread while receiving partial chunk of MQTT messages.
>
> This is not possible today with the current Java Paho code which parse the byte stream in a blocking way (one connection, one native thread needed).
>
> It can be used with java NIO (or any NIO based framework) for implementing a server (I have a very basic one running and built with Apache MINA).
>
> I plan to add the client message for being able to build asynchronous client able to spawn large number of connections (mainly for performance testing servers).
>
> Anyway you should see it as a MQTT implemnter toolbox and not a client or server/broker implementation.
>
> Julien
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>
> --
> Andy Piper | Farnborough, Hampshire (UK)
> blog: http://andypiper.co.uk | skype: andypiperuk
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