netdev - Re: [PATCH v2 iproute2-next 04/11] devlink: Add helper functions for name and value separately

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Date:   Fri, 22 Feb 2019 09:58:32 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     Aya Levin <ayal@...lanox.com>, David Ahern <dsahern@...il.com>,
        netdev@...r.kernel.org, Jiri Pirko <jiri@...lanox.com>,
        Moshe Shemesh <moshe@...lanox.com>,
        Eran Ben Elisha <eranbe@...lanox.com>
Subject: Re: [PATCH v2 iproute2-next 04/11] devlink: Add helper functions for
 name and value separately

Thu, Feb 21, 2019 at 07:02:11PM CET, stephen@...workplumber.org wrote:
>On Thu, 21 Feb 2019 15:42:40 +0200
>Aya Levin <ayal@...lanox.com> wrote:
>
>> Add a new helper functions which outputs only values (without name
>> label) for different types: boolean, uint, uint64, string and binary.
>> In addition add a helper function which prints only the name label.
>> 
>> Signed-off-by: Aya Levin <ayal@...lanox.com>
>> Reviewed-by: Moshe Shemesh <moshe@...lanox.com>
>> ---
>>  devlink/devlink.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
>>  1 file changed, 65 insertions(+), 1 deletion(-)
>> 
>> diff --git a/devlink/devlink.c b/devlink/devlink.c
>> index b073ae020d52..5d69c4f24f29 100644
>> --- a/devlink/devlink.c
>> +++ b/devlink/devlink.c
>> @@ -1588,7 +1588,6 @@ static void pr_out_port_handle_end(struct dl *dl)
>>  		pr_out("\n");
>>  }
>>  
>> -
>>  static void pr_out_str(struct dl *dl, const char *name, const char *val)
>>  {
>>  	if (dl->json_output) {
>> @@ -1636,6 +1635,71 @@ static void pr_out_u64(struct dl *dl, const char *name, uint64_t val)
>>  	}
>>  }
>>  
>> +static void pr_out_bool_value(struct dl *dl, bool value)
>> +{
>> +	if (dl->json_output)
>> +		jsonw_bool(dl->jw, value);
>> +	else
>> +		pr_out(" %s", value ? "true" : "false");
>> +}
>> +
>> +static void pr_out_uint_value(struct dl *dl, unsigned int value)
>> +{
>> +	if (dl->json_output)
>> +		jsonw_uint(dl->jw, value);
>> +	else
>> +		pr_out(" %u", value);
>> +}
>> +
>> +static void pr_out_uint64_value(struct dl *dl, uint64_t value)
>> +{
>> +	if (dl->json_output)
>> +		jsonw_u64(dl->jw, value);
>> +	else
>> +		pr_out(" %lu", value);
>> +}
>> +
>> +static void pr_out_binary_value(struct dl *dl, uint8_t *data, uint32_t len)
>> +{
>> +	int i = 1;
>> +
>> +	if (dl->json_output)
>> +		jsonw_start_array(dl->jw);
>> +	else
>> +		pr_out("\n");
>> +
>> +	while (i < len) {
>> +		if (dl->json_output) {
>> +			jsonw_printf(dl->jw, "%d", data[i]);
>> +		} else {
>> +			pr_out(" %02x", data[i]);
>> +			if (!(i % 16))
>> +				pr_out("\n");
>> +		}
>> +		i++;
>> +	}
>> +	if (dl->json_output)
>> +		jsonw_end_array(dl->jw);
>> +	else if ((i - 1) % 16)
>> +		pr_out("\n");
>> +}
>> +
>> +static void pr_out_str_value(struct dl *dl, const char *value)
>> +{
>> +	if (dl->json_output)
>> +		jsonw_string(dl->jw, value);
>> +	else
>> +		pr_out(" %s", value);
>> +}
>> +
>> +static void pr_out_name(struct dl *dl, const char *name)
>> +{
>> +	if (dl->json_output)
>> +		jsonw_name(dl->jw, name);
>> +	else
>> +		pr_out(" %s:", name);
>> +}
>> +
>>  static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr)
>>  {
>>  	if (dl->json_output) {
>
>NAK
>
>Please convert devlink to use existing iproute2 json_print infrasructure
>rather than reinventing it.

That requires whole devlink/devlink.c code change. Could this be done as
a follow-up?