Re: [dpdk-dev] [RFC] app/test-regex: add RegEx test application.

[Jerin Jacob <jerinjacobk@gmail.com>]

On Thu, Jun 4, 2020 at 2:59 AM Ori Kam <orika@mellanox.com> wrote:
>
> Following the new RegEx class [1].
> There is a need to create a dedecated test application in order to
> validate this class and PMD.
>
> Unlike net device this application loads data from a file.
>
> This commit introduce the new RegEx test app.
>
> The basic app flow:
> 1. query probed RegEx device.
> 2. configure the probed device accoding to the device caps.
> 3. read a rule database file.
> 4. read a data file to be searched.
> 5. allocate one mbuf.
> 6. select the request job len, based on the number of jobs requsted.
> 7. create one RegEx op which uses the mbuf defined in step 5.
> 8. attach the data buffer at offset 0 with len accoding to request
>    len to the mbuf as external buffer.
> 9. enqueue one job.
> 10. wait for completion of the job.
> 11. check job results and print them.
> 12. move the mbuf to point to the next part of the buffer.
> 13. while there are more parts jump to 9.
>
> Future improvments to this application may include:
> 1. submiting more then one job at a time.
> 2. working with more then one queue.
> 3. support out of order.
> 4. allow runtime rule updating.
>
> This commit is only at RFC level, which means that
> the code is only basic reference and can't be compiled and doesn't
> include error or edge case handling.
>
> [1]https://patches.dpdk.org/cover/69919/
>
> Signed-off-by: Ori Kam <orika@mellanox.com>

IMO, this kind simile application with fixed-function can go in the
example folder.
I think, for app/test-regex, it better to have a framework to add new
tests, modes, parse the modes, etc.
Please see git log app/test-eventdev/ initial check-ins for the
skeleton as a reference