On Thu, 22 Jun 2023 19:08:25 +0300 Dmitry Kozlyuk <dmitry.kozl...@gmail.com> wrote:
> 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*. I have use fopencookie and rte_logstream to handle this in the past. Probably the code is still there in Danos and other projects.
