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From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
To: "Lukáš Šišmiš" <sismis@cesnet.cz>
Cc: users@dpdk.org
Subject: Re: Wrapping DPDK log messages with an application logger
Date: Thu, 22 Jun 2023 19:08:25 +0300	[thread overview]
Message-ID: <20230622190825.57eebf75@sovereign> (raw)
In-Reply-To: <8575de3e-d63f-f4c6-dd15-92e576c622f6@cesnet.cz>

Hi,

2023-06-22 17:45 (UTC+0200), Lukáš Šišmiš:
> I would think there could be opportunity to  pass my logging callback into
> DPDK but I have not found it.

FWIW, I too think a callback would be better than what DPDK offers now,
because FILE* argument in rte_openlog_stream() is specific to C (libc).

> The only thing that I found was setting the stream (rte_openlog_stream()).

Correct, this is what you're supposed to use.

> So I think I could use a Linux pipe to which DPDK would write to and the 
> application would read the contents of it, parsing it into messages and 
> logging it with the application logger.

> Is there any alternative solution?

https://man7.org/linux/man-pages/man3/fopencookie.3.html

It's effectively a way to pass the callback you want, just wrapped in a FILE*.

  reply	other threads:[~2023-06-22 16:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-22 15:45 Lukáš Šišmiš
2023-06-22 16:08 ` Dmitry Kozlyuk [this message]
2023-06-25 14:51   ` Stephen Hemminger

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