On Mon, Mar 15, 2010 at 4:25 PM, Gordon Sim <g...@redhat.com> wrote:
> On 03/15/2010 05:48 PM, Rajith Attapattu wrote:
>>
>> On Mon, Mar 15, 2010 at 12:35 PM, Gordon Sim<g...@redhat.com>  wrote:
>>>
>>> On 03/11/2010 11:41 PM, Rajith Attapattu wrote:
>>>>
>>>> 1.2 Syntax
>>>>      <broker>    [ ;<options>    ] [ ,<broker>    [ ;<options>    ]] *
>>>>
>>>>      Where broker is::
>>>>        <protocol>:// [ host [ ":" port ] ]    (protocol = {tcp|vm|rdma}
>>>
>>> The c++ client currently supports the AMQP 0-10 definition of a url
>>> syntax.
>>> Do we want to support that more widely? It would be good to improve
>>> consistency across clients a little.
>>
>> Well my motivation behind the thread was to get this out in the open.
>> IMO I think we as a project *must* have the same connection url/string
>> syntax across all clients.
>> I thought I'd start with the Java side and then take it from there.
>
> Understood. I am responding by pointing out that there is a url scheme
> defined in the 0-10 specification which is currently used by the c++ client.
> The question of whether we want to support that more widely seems to me to
> be worth answering early in any proposal around unification of url schemes
> (whichever way we answer it).

Actually the Java client did support the 0-10 URL format at one point.
But then it got dropped for reasons I can't clearly remember.
Perhaps the archives and svn log might yield some clues.

>> The connection "URL" has been used for two reasons.
>> 1)  To identify which broker(s) to connect to
>> 2)  As a configuration mechanism.
>
> Isn't the former a specific case for the latter?

It is and as you have mentioned below, the URL is infact one of the
options in the connection String.
However in my proposal I gave it a prominent place by moving it out of
the curly brackets.

>> My issue is if we treat the whole thing as a "URL" then supporting the
>> latter makes the whole thing ugly and error prone.
>> The Java connection url is a case in point.
>>
>> I would rather treat it as a connection string which consists of two
>> **distinct** parts.
>> a) A broker (identified by a URL - ex tcp://localhost:5672/vhost )
>> b) A bunch of key:value pairs associated with the broker url.
>
> You could of course view the url as one of the set of options that can be
> configured via the key-value pairs...
>
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>



-- 
Regards,

Rajith Attapattu
Red Hat
http://rajith.2rlabs.com/

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