[rabbitmq-discuss] Simplest possible embedded message producer

Simon MacMullen simon at rabbitmq.com
Tue Mar 20 15:13:06 GMT 2012

And if rabbitmq-c is still too big, and all you need to do is publish 
messages from the tiniest client possible, you might want to look at 
STOMP - you could probably write a minimal publish-only client quite 
simply, and it would be pretty small.

Cheers, Simon

On 20/03/12 15:06, Alan Antonuk wrote:
> I'm not sure AMQP/rabbitmq-c client would be able to run on that
> constrained of a system (someone else on this list might correct me though).
> In general you're going to need a TCP/IP stack so you can connect to the
> broker, then enough memory to hold a couple frames (the minimum frame
> size is 4096 bytes).  You could probably do it with smaller buffers but
> it's not something done with most client libraries.
> If that all will fit in your constrained system, I would probably pick
> apart the the rabbitmq-c library and pare it down to something that does
> the minimum you need. Then again I'm not experienced with development of
> embedded devices, so I'm not sure how people typically accomplish these
> things.
> -Alan
> On Mon, Mar 19, 2012 at 11:41 AM, Dirk <dirk.swart at gmail.com
> <mailto:dirk.swart at gmail.com>> wrote:
>     - Does anyone have code for the simplest possible message producer?
>     I would like to produce messages from a _very_ memory constrained
>     embedded system*. Can anyone advise me on what the absolute minimum I
>     have to do to produce and send a message is?
>     Also, if anyone can point me towards what a simple "hello world"
>     message template looks like, it would be appreciated. More details:
>     I'm thinking of the sort of message that the Tutorials cover (eg:
>     http://www.rabbitmq.com/tutorials/tutorial-one-python.html)
>     Thanks in advance - I'm a Rabbit noob, apologies if this post is not
>     using the correct terms.
>     * ATMega 328p, same chip the Arduino uses.
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Simon MacMullen
RabbitMQ, VMware

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