[openamq-dev] Threadsafe channels?

[Martin Sustrik]

Birju,

Thanks for the review :) We'll fix the typos shortly.

Martin

Birju Prajapati wrote:
> Many thanks for the clearup :)
> 
> Couple of other typos:
> ASL Field Table Classes in
> http://www.openamq.net/doc_wireapi.txt_flat.html#TOC29
> Is missing a pointer symbol before field_table in the first bit of code.
> 
> Another in http://www.openamq.org/doc_wireapi.txt_flat.html#TOC16
> Content Access Methods
> For each content class (Basic, File, Stream), WireAPI provides a set of
> methods to access arrived and returned content:
> amq_client_session_[classname]_[arrived|returned] ()
> amq_client_session_[classname]_[arrived|returned]_count ()
> 
> The latter should be
> amq_client_session_get_[classname]_[arrived|returned]_count ()
> 
> HTH
> Birju
> 
> -----Original Message-----
> From: openamq-dev-bounces at lists.openamq.org
> [mailto:openamq-dev-bounces at lists.openamq.org] On Behalf Of Pieter
> Hintjens
> Sent: 25 September 2007 17:50
> To: OpenAMQ development discussion
> Subject: Re: [openamq-dev] Threadsafe channels?
> 
> On 9/25/07, Birju Prajapati <birju.prajapati at schneidertrading.com>
> wrote:
> 
>> "AMQP is a multi-channel protocol, meaning that one network connection
> can carry an arbitrary number of parallel, independent virtual
> connections, which AMQP calls "channels". In WireAPI these are called
> "sessions" for compatability with other middleware APIs. NOTE: OpenAMQ
> supports exactly ONE session per connection."
> 
> The protocol allows multiplexing, but OpenAMQ does not (any longer)
> support it.  We used to but it made the protocol machines quite complex.
> No-one used that code, and in performance tests it was no better than
> one channel per connection.  So we killed it.  AMQP is over-designed in
> this respect.
> 
>> Do you mean to say that the spec allows multiple channels, but the
> WireAPI only allows one?
> 
> Yes, indeed.
> 
> -Pieter
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