/*! Load a set of plugin objects from a directory and and call their init-function
* @param[in] h Clicon handle
* @param[in] function Which function symbol to load and call (eg CLIXON_PLUGIN_INIT)
* @param[in] dir Directory. .so files in this dir will be loaded.
* @param[in] regexp Regexp for matching files in plugin directory. Default *.so.
* @retval 0 OK
* @retval -1 Error
*/
int
clixon_plugins_load(clicon_handle h,
char *function,
char *dir,
char *regexp)
{
int retval = -1;
int ndp;
struct dirent *dp = NULL;
int i;
char filename[MAXPATHLEN];
clixon_plugin *cp;
int ret;
clicon_debug(1, "%s", __FUNCTION__);
/* Get plugin objects names from plugin directory */
if((ndp = clicon_file_dirent(dir, &dp, regexp?regexp:"(.so)$", S_IFREG)) < 0)
goto done;
/* Load all plugins */
for (i = 0; i < ndp; i++) {
snprintf(filename, MAXPATHLEN-1, "%s/%s", dir, dp[i].d_name);
clicon_debug(1, "DEBUG: Loading plugin '%.*s' ...",
(int)strlen(filename), filename);
if ((ret = plugin_load_one(h, filename, function, RTLD_NOW, &cp)) < 0)
goto done;
if (ret == 0)
continue;
_clixon_nplugins++;
if ((_clixon_plugins = realloc(_clixon_plugins, _clixon_nplugins*sizeof(clixon_plugin))) == NULL) {
clicon_err(OE_UNIX, errno, "realloc");
goto done;
}
_clixon_plugins[_clixon_nplugins-1] = *cp;
free(cp);
}
retval = 0;
done:
if (dp)
free(dp);
return retval;
}
/*
* netconf_plugin_load
* Load allplugins you can find in CLICON_NETCONF_DIR
*/
int
netconf_plugin_load(clicon_handle h)
{
int retval = -1;
char *dir;
int ndp;
struct dirent *dp;
int i;
char *filename;
plghndl_t *handle;
if ((dir = clicon_netconf_dir(h)) == NULL)
goto quit;
/* Get plugin objects names from plugin directory */
if((ndp = clicon_file_dirent(dir, &dp, "(.so)$", S_IFREG, __FUNCTION__))<0)
goto quit;
/* Load all plugins */
for (i = 0; i < ndp; i++) {
filename = chunk_sprintf(__FUNCTION__, "%s/%s", dir, dp[i].d_name);
clicon_debug(1, "DEBUG: Loading plugin '%.*s' ...",
(int)strlen(filename), filename);
if (filename == NULL) {
clicon_err(OE_UNIX, errno, "chunk");
goto quit;
}
if ((handle = plugin_load (h, filename, RTLD_NOW, __FUNCTION__)) == NULL)
goto quit;
if ((plugins = rechunk(plugins, (nplugins+1) * sizeof (*plugins), NULL)) == NULL) {
clicon_err(OE_UNIX, errno, "chunk");
goto quit;
}
plugins[nplugins++] = handle;
unchunk (filename);
}
retval = 0;
quit:
unchunk_group(__FUNCTION__);
return retval;
}
