netdev - Re: [PATCH iproute2-next v4 1/1] police: Add support for json output

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Date:   Thu, 8 Jul 2021 09:57:26 +0300
From:   Roi Dayan <roid@...dia.com>
To:     Hangbin Liu <liuhangbin@...il.com>,
        Davide Caratti <dcaratti@...hat.com>
CC:     <netdev@...r.kernel.org>, Paul Blakey <paulb@...dia.com>,
        David Ahern <dsahern@...il.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        "Jamal Hadi Salim" <jhs@...atatu.com>,
        Roman Mashak <mrv@...atatu.com>,
        Baowen Zheng <baowen.zheng@...igine.com>
Subject: Re: [PATCH iproute2-next v4 1/1] police: Add support for json output



On 2021-07-07 9:53 AM, Hangbin Liu wrote:
> On Tue, Jul 06, 2021 at 10:27:34AM +0200, Davide Caratti wrote:
>> my 2 cents:
>>
>> what about using PRINT_FP / PRINT_JSON, so we fix the JSON output only to show "index", and
>> preserve the human-readable printout iproute and kselftests? besides avoiding failures because
>> of mismatching kselftests / iproute, this would preserve functionality of scripts that
>> configure / dump the "police" action. WDYT?
> 
> +1
> 


why not fix the kselftest to look for the correct output?

all actions output unsigned as the index.
though I did find an issue with the fp output that you pasted
that I missed.


         action order 0: police   index 1 rate 1Kbit burst 10Kb mtu 2Kb 
action reclassify overhead 0 ref 1 bind 0


You asked about the \t before index and actually there is a missing
print_nl() call before printing index and the rest as in the other
actions.

then the match should be something like this

	"matchPattern": "action order [0-9]*: police.*index 0x1 rate 1Kbit 
burst 10Kb"