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Added configure option CLICON_PLUGIN_DLOPEN_GLOBAL for config of dlopen()

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This commit is contained in:
Olof hagsand 2023-07-06 15:50:36 +02:00
parent ad61570a3d
commit 90b7a550b2
5 changed files with 44 additions and 18 deletions
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8
CHANGELOG.md
View file

@ -53,6 +53,7 @@ Users may have to change how they access the system
* New `clixon-config@2023-05-01.yang` revision
* Added options: `CLICON_CONFIG_EXTEND`
* Moved datastore-format datastype to clixon-lib
* New `clixon-lib@2023-05-01.yang` revision
* Restructured and extended stats rpc to schema mountpoints
@ -97,8 +98,13 @@ project, along with minor improvements and bugfixes.
### API changes on existing protocol/config features
Users may have to change how they access the system
* Changed `configure --with-cligen=dir`
* <dir> is considered as `DESTDIR` and consider cligen installed under `DESTDIR/PREFIX`
* Changed from: consider cligen installed under `<dir>`
* New `clixon-config@2023-03-01.yang` revision
* Added options: `CLICON_RESTCONF_NOALPN_DEFAULT`
* Added options:
* `CLICON_RESTCONF_NOALPN_DEFAULT`
* `CLICON_PLUGIN_DLOPEN_GLOBAL`
* Extended datastore-format with CLI and text
* New `clixon-lib@2023-03-01.yang` revision
* Added creator meta-object

4
doc/CLI.md
View file

@ -179,7 +179,7 @@ A straightforward way to reference a pipe tree is by using an explicit pipe-tree
@|mypipe, regular_cb();
}
```
Note that the `regular_cb()` is stated as an argument to the mypipe reference. This means it will be preended to each callback in 'mypipe'.
Note that the `regular_cb()` is stated as an argument to the mypipe reference. This means it will be prepended to each callback in 'mypipe'.
For example, in the following CLI call:
```
@ -209,7 +209,7 @@ In Clixon:
pipetree="|mypipe"; # in CLIgen
```
This autoamtically expands each terminal command into a pipe-tree reference in a dynamic way. For example, assume the command `set, regular_cb();` is specified and a user types `set `.
This automatically expands each terminal command into a pipe-tree reference in a dynamic way. For example, assume the command `set, regular_cb();` is specified and a user types `set `.
This expands the syntax by adding the `@|mypipe, regular_cb()` which is in turn expanded to:
```

9
lib/src/clixon_plugin.c
View file

@ -299,6 +299,7 @@ clixon_plugin_find(clicon_handle h,
}
/*! Load a dynamic plugin object and call its init-function
*
* @param[in] h Clicon handle
* @param[in] file Which plugin to load
* @param[in] function Which function symbol to load and call
@ -414,6 +415,7 @@ clixon_plugins_load(clicon_handle h,
clixon_plugin_t *cp = NULL;
int ret;
plugin_module_struct *ms = plugin_module_struct_get(h);
int dlflags;
clicon_debug(CLIXON_DBG_DETAIL, "%s", __FUNCTION__);
if (ms == NULL){
@ -427,7 +429,12 @@ clixon_plugins_load(clicon_handle h,
for (i = 0; i < ndp; i++) {
snprintf(filename, MAXPATHLEN-1, "%s/%s", dir, dp[i].d_name);
clicon_debug(CLIXON_DBG_DEFAULT, "Loading plugin '%s'", filename);
if ((ret = plugin_load_one(h, filename, function, RTLD_NOW, &cp)) < 0)
dlflags = RTLD_NOW;
if (clicon_option_bool(h, "CLICON_PLUGIN_DLOPEN_GLOBAL"))
dlflags |= RTLD_GLOBAL;
else
dlflags |= RTLD_LOCAL;
if ((ret = plugin_load_one(h, filename, function, dlflags, &cp)) < 0)
goto done;
if (ret == 0)
continue;

2
lib/src/clixon_xml_map.c
View file

@ -999,7 +999,7 @@ assign_namespace_element(cxobj *x0, /* source */
*
* If origin body has namespace definitions, copy them. The reason is that
* some bodies rely on namespace prefixes, such as NACM path, but there is
* no way we can now this here.
* no way we can know this here.
* However, this may lead to namespace collisions if these prefixes are not
* canonical, and may collide with the assign_namespace_element() above (but that
* is for element symbols)

15
yang/clixon/clixon-config@2023-05-01.yang
View file

@ -53,7 +53,8 @@ module clixon-config {
description
"Added options:
CLICON_CONFIG_EXTEND
Moved datastore-format datastype to clixon-lib
CLICON_PLUGIN_DLOPEN_GLOBAL
Moved datastore-format datatype to clixon-lib
Released in Clixon 6.3";
}
revision 2023-03-01 {
@ -1003,6 +1004,18 @@ module clixon-config {
as well as the CLIgen callbacks.
See https://clixon-docs.readthedocs.io/en/latest/backend.html#plugin-callback-guidelines";
}
leaf CLICON_PLUGIN_DLOPEN_GLOBAL {
type boolean;
default false;
description
"Local/global flag for dlopen as described in the man page.
This applies to the opening of all clixon plugins (backend/cli/netconf/restconf)
when loading the shared .so file with dlopen.
If false: Symbols defined in this shared object are not made available to resolve
references in subsequently loaded shared objects (default).
If true: The symbols defined by this shared object will be made available for symbol res‐
olution of subsequently loaded shared objects.";
}
leaf CLICON_YANG_AUGMENT_ACCEPT_BROKEN {
type boolean;
default false;