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When support for new style `get()` was added inadvertently stopped
generating other callbacks and prototypes. Fix this.
Signed-off-by: Christian Hopps <chopps@labn.net>
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Signed-off-by: Christian Hopps <chopps@labn.net>
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Signed-off-by: Christian Hopps <chopps@labn.net>
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Mgmtd makes use of libyang's internal ietf-yang-library module to add
support for said module to FRR management. Previously, mgmtd was loading
this module explicitly; however, that required that libyang's
`ietf-yang-library.yang` module definition file be co-located with FRR's
yang files so that it (and ietf-datastore.yang) would be found when
searched for by libyang using FRRs search path. This isn't always the
case depending on how the user compiles and installs libyang so mgmtd
was failing to run in some cases.
Instead of doing it the above way we simply tell libyang to load it's
internal version of ietf-yang-library when we initialize the libyang
context.
This required adding a boolean to a couple of the init functions which
is why so many files are touched (although all the changes are minimal).
Signed-off-by: Christian Hopps <chopps@labn.net>
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Add the cli_show (config write) callback when emitting the
create or modify callback in the northbound template. Split
the config-handling and config-output callbacks into two
structs/arrays; this seems to be helpful when doing mgmtd
conversion.
Signed-off-by: Mark Stapp <mjs@labn.net>
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Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Currently, nb_operation enum means two different things - edit operation
type (frontend part), and callback type (backend part). These types
overlap, but they are not identical. We need to add more operation
types to support NETCONF/RESTCONF integration, so it's better to have
separate enums to identify different entities.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
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Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Done with a combination of regex'ing and banging my head against a wall.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Compile with v2.0.0 tag of `libyang2` branch of:
https://github.com/CESNET/libyang
staticd init load time of 10k routes now 6s vs ly1 time of 150s
Signed-off-by: Christian Hopps <chopps@labn.net>
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Combine yang_snodes_iterate_module() and yang_snodes_iterate_all()
into an unified yang_snodes_iterate() function, where the first
"module" parameter is optional. There's no point in having two
separate YANG schema iteration functions anymore now that they are
too similar.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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northbound genrate callback script to use attr->event
in case passed in generated callbacks..
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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Having a fixed set of parameters for each northbound callback isn't a
good idea since it makes it difficult to add new parameters whenever
that becomes necessary, as several hundreds or thousands of existing
callbacks need to be updated accordingly.
To remediate this issue, this commit changes the signature of all
northbound callbacks to have a single parameter: a pointer to a
'nb_cb_x_args' structure (where x is different for each type
of callback). These structures encapsulate all real parameters
(both input and output) the callbacks need to have access to. And
adding a new parameter to a given callback is as simple as adding
a new field to the corresponding 'nb_cb_x_args' structure, without
needing to update any instance of that callback in any daemon.
This commit includes a .cocci semantic patch that can be used to
update old code to the new format automatically.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Our two northbound tools don't have embedded YANG modules like the
other FRR binaries. As such, ly_ctx_set_module_imp_clb() shouldn't be
called when the YANG subsystem it being initialized by a northbound
tool. To make that possible, add a new "embedded_modules" parameter
to the yang_init() function to control whether libyang should look
for embedded modules or not.
With this fix, "gen_northbound_callbacks" and "gen_yang_deviations"
won't emit "YANG model X not embedded, trying external file"
warnings anymore.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Add a new '-s' option which controls whether the generated northbound
callbacks are declared with the 'static' specifier or not. If not
(the default), a prototype is generated for each callback before
their declarations.
It's suggested that daemons shouldn't use the '-s' option so that
their northbound callbacks can be implemented in different files
according to their class (config, state, rpc or notification).
libfrr commands, on the other hand, can use the '-s' option when
their associated YANG module is too small and putting all callbacks
in the same file is desirable.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Help developers to start implementing northbound with more complete
callbacks.
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
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Use the alternate struct instantiation that does not generates warning
on old compilers.
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
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This allows developer to set a temporary YANG model directory path for
generating northbound for models not yet installed.
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
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Change the northbound lib operation from DELETE to DESTROY;
make the required changes in the users of the northbound, in
the cli, rip, ripng, and isis.
Signed-off-by: Mark Stapp <mjs@voltanet.io>
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The northbound infrastructure for operational data was subpar compared
to the infrastructure for configuration data. This commit addresses most
of the existing problems, making it possible to write operational-data
callbacks for more complex YANG models.
Summary of the changes:
* Add support for nested YANG lists.
* Add support for leaf-lists.
* Add support for leafs of type "empty".
* Introduce the "show yang operational-data XPATH" command, and write an
unit test for it. The main purpose of this command is to make it
easier to test the operational-data northbound callbacks.
* Introduce the nb_oper_data_iterate() function, that can be used
to iterate over operational data. Make the CLI and sysrepo use this
function.
* Since ConfD has a very peculiar API, it can't reuse the
nb_oper_data_iterate() like the other northbound clients. In this
case, adapt the existing ConfD callbacks to support the new features
(and make some performance improvements in the process).
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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A YANG list that contains both configuration and state data must have
the following callbacks: create(), delete(), get_next(), get_keys()
and lookup_entry().
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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* Rename yang_snodes_iterate() to yang_snodes_iterate_subtree() and
expose it in the public API.
* Rename yang_module_snodes_iterate() to yang_snodes_iterate_module().
* Rename yang_all_snodes_iterate() to yang_snodes_iterate_all().
* Make it possible to stop the iteration at any time by returning
YANG_ITER_STOP in the iteration callbacks.
* Make the iteration callbacks accept only one user argument and not
two.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Cosmetic change to improve code readability a bit. No binary changes.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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