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The notification handling in ynl is currently very simple, using sleep()
to wait a period of time and then handling all the buffered messages in
a single batch.
This patch adds async notification handling so that messages can be
processed as they are received. This makes it possible to use ynl as a
library that supplies notifications in a timely manner.
- Add poll_ntf() to be a generator that yields 1 notification at a
time and blocks until a notification is available.
- Add a --duration parameter to the CLI, with --sleep as an alias.
./tools/net/ynl/cli.py \
--spec <SPEC> --subscribe <TOPIC> [ --duration <SECS> ]
The cli will report any notifications for duration seconds and then
exit. If duration is not specified, then it will poll forever, until
interrupted.
Here is an example python snippet that shows how to use ynl as a library
for receiving notifications:
ynl = YnlFamily(f"{dir}/rt_route.yaml")
ynl.ntf_subscribe('rtnlgrp-ipv4-route')
for event in ynl.poll_ntf():
handle(event)
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20241113090843.72917-3-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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| certs | ||
| crypto | ||
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| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.