[Gluster-devel] regarding gluster msg ids

[Pranith Kumar Karampuri]

----- Original Message -----
> From: "Pranith Kumar Karampuri" <pkarampu at redhat.com>
> To: "Shyamsundar Ranganathan" <shyamsundarr at gmail.com>
> Cc: "Ravishankar Narayanankutty" <ranaraya at redhat.com>, "Gluster Devel" <gluster-devel at nongnu.org>
> Sent: Friday, April 4, 2014 1:37:30 PM
> Subject: [Gluster-devel] regarding gluster msg ids
> 
> hi Shyam,
>     Instead of printing numbers as msg-ids, could we print the
>     stringification of macro itself as the msg-id? Reasons why I feel this
>     is better:
>     - No need to worry about msg-id range segment overlaps as we are not
>     dealing with numbers anymore.
>     - macro re-use in same file will cause compilation error. Different
>     msg-id.h files will have different prefixes for msg-ids so there should
>     not be any collisions across components.

Macro re-use in same file is not causing compilation failure :-(. So there is still possibility of collision :-(. We can use #ifdef, #error to achieve it if we want to.

>     - We can choose to give easy-to-remember msg-ids like AFR-SPLIT-BRAIN if
>     we want to. No need to lookup what msg-id means etc.
> 
> I sent a first-cut patch at: http://review.gluster.org/7398
> 
> TODO: Remove segment related macros if you guys also like the change.
> 
> This is one of the messages with and without patch above:
> [2014-04-04 07:08:53.113969] I [MSGID: glusterfsd_msg_30]
> [glusterfsd.c:1914:main] 0-glusterd: Started running glusterd version 3git
> (args: glusterd --debug)
> [2014-04-04 07:10:49.687053] I [MSGID: 100030] [glusterfsd.c:1914:main]
> 0-glusterd: Started running glusterd version 3git (args: glusterd --debug)
> 
> 
> Pranith
> 
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