*
* Authors:
* Florian octo Forster <octo at verplant.org>
+ * Sebastian tokkee Harl <sh at tokkee.org>
**/
#include "collectd.h"
#include "types_list.h"
#include "utils_threshold.h"
+#if HAVE_WORDEXP_H
+# include <wordexp.h>
+#endif /* HAVE_WORDEXP_H */
+
#define ESCAPE_NULL(str) ((str) == NULL ? "(null)" : (str))
/*
if (ci->children[i].children == NULL)
dispatch_value_plugin (name, ci->children + i);
else
- {DEBUG ("No nested config blocks allow for this plugin.");}
+ {DEBUG ("No nested config blocks allowed for this plugin.");}
}
return (0);
assert (offset >= 0);
assert (dst->children_num > offset);
- /* Resize the memory containing the children to be big enough to hold
- * all children. */
- temp = (oconfig_item_t *) realloc (dst->children,
- sizeof (oconfig_item_t)
- * (dst->children_num + src->children_num - 1));
- if (temp == NULL)
- {
- ERROR ("configfile: realloc failed.");
- return (-1);
- }
- dst->children = temp;
-
/* Free the memory used by the replaced child. Usually that's the
* `Include "blah"' statement. */
temp = dst->children + offset;
sfree (temp->values);
temp = NULL;
- /* If there are children behind the include statement, move them to the
- * end of the list, so that the new children have room before them. */
- if ((dst->children_num - (offset + 1)) > 0)
+ /* If (src->children_num == 0) the array size is decreased. If offset
+ * is _not_ the last element, (offset < (src->children_num - 1)), then
+ * we need to move the trailing elements before resizing the array. */
+ if ((src->children_num == 0) && (offset < (src->children_num - 1)))
+ {
+ int nmemb = src->children_num - (offset + 1);
+ memmove (src->children + offset, src->children + offset + 1,
+ sizeof (oconfig_item_t) * nmemb);
+ }
+
+ /* Resize the memory containing the children to be big enough to hold
+ * all children. */
+ temp = (oconfig_item_t *) realloc (dst->children,
+ sizeof (oconfig_item_t)
+ * (dst->children_num + src->children_num - 1));
+ if (temp == NULL)
+ {
+ ERROR ("configfile: realloc failed.");
+ return (-1);
+ }
+ dst->children = temp;
+
+ /* If there are children behind the include statement, and they have
+ * not yet been moved because (src->children_num == 0), then move them
+ * to the end of the list, so that the new children have room before
+ * them. */
+ if ((src->children_num > 0)
+ && ((dst->children_num - (offset + 1)) > 0))
{
int nmemb = dst->children_num - (offset + 1);
int old_offset = offset + 1;
{
oconfig_item_t *temp;
+ if ((src == NULL) || (src->children_num == 0))
+ return (0);
+
temp = (oconfig_item_t *) realloc (dst->children,
sizeof (oconfig_item_t)
* (dst->children_num + src->children_num));
return (root);
} /* oconfig_item_t *cf_read_file */
+static int cf_compare_string (const void *p1, const void *p2)
+{
+ return strcmp (*(const char **) p1, *(const char **) p2);
+}
+
static oconfig_item_t *cf_read_dir (const char *dir, int depth)
{
oconfig_item_t *root = NULL;
DIR *dh;
struct dirent *de;
- char name[1024];
+ char **filenames = NULL;
+ int filenames_num = 0;
int status;
+ int i;
assert (depth < CF_MAX_DEPTH);
while ((de = readdir (dh)) != NULL)
{
- oconfig_item_t *temp;
+ char name[1024];
+ char **tmp;
if ((de->d_name[0] == '.') || (de->d_name[0] == '\0'))
continue;
ERROR ("configfile: Not including `%s/%s' because its"
" name is too long.",
dir, de->d_name);
- continue;
+ for (i = 0; i < filenames_num; ++i)
+ free (filenames[i]);
+ free (filenames);
+ free (root);
+ return (NULL);
}
+ ++filenames_num;
+ tmp = (char **) realloc (filenames,
+ filenames_num * sizeof (*filenames));
+ if (tmp == NULL) {
+ ERROR ("configfile: realloc failed.");
+ for (i = 0; i < filenames_num - 1; ++i)
+ free (filenames[i]);
+ free (filenames);
+ free (root);
+ return (NULL);
+ }
+ filenames = tmp;
+
+ filenames[filenames_num - 1] = sstrdup (name);
+ }
+
+ qsort ((void *) filenames, filenames_num, sizeof (*filenames),
+ cf_compare_string);
+
+ for (i = 0; i < filenames_num; ++i)
+ {
+ oconfig_item_t *temp;
+ char *name = filenames[i];
+
temp = cf_read_generic (name, depth);
- if (temp == NULL)
- continue;
+ if (temp == NULL) {
+ int j;
+ for (j = i; j < filenames_num; ++j)
+ free (filenames[j]);
+ free (filenames);
+ oconfig_free (root);
+ return (NULL);
+ }
cf_ci_append_children (root, temp);
sfree (temp->children);
sfree (temp);
+
+ free (name);
}
+ free(filenames);
return (root);
} /* oconfig_item_t *cf_read_dir */
*
* Path is stat'ed and either cf_read_file or cf_read_dir is called
* accordingly.
+ *
+ * There are two versions of this function: If `wordexp' exists shell wildcards
+ * will be expanded and the function will include all matches found. If
+ * `wordexp' (or, more precisely, it's header file) is not available the
+ * simpler function is used which does not do any such expansion.
*/
+#if HAVE_WORDEXP_H
static oconfig_item_t *cf_read_generic (const char *path, int depth)
{
- struct stat statbuf;
+ oconfig_item_t *root = NULL;
int status;
+ const char *path_ptr;
+ wordexp_t we;
+ int i;
if (depth >= CF_MAX_DEPTH)
{
return (NULL);
}
- fprintf (stderr, "cf_read_generic (path = %s, depth = %i);", path, depth);
+ status = wordexp (path, &we, WRDE_NOCMD);
+ if (status != 0)
+ {
+ ERROR ("configfile: wordexp (%s) failed.", path);
+ return (NULL);
+ }
+
+ root = (oconfig_item_t *) malloc (sizeof (oconfig_item_t));
+ if (root == NULL)
+ {
+ ERROR ("configfile: malloc failed.");
+ return (NULL);
+ }
+ memset (root, '\0', sizeof (oconfig_item_t));
+
+ /* wordexp() might return a sorted list already. That's not
+ * documented though, so let's make sure we get what we want. */
+ qsort ((void *) we.we_wordv, we.we_wordc, sizeof (*we.we_wordv),
+ cf_compare_string);
+
+ for (i = 0; i < we.we_wordc; i++)
+ {
+ oconfig_item_t *temp;
+ struct stat statbuf;
+
+ path_ptr = we.we_wordv[i];
+
+ status = stat (path_ptr, &statbuf);
+ if (status != 0)
+ {
+ char errbuf[1024];
+ ERROR ("configfile: stat (%s) failed: %s",
+ path_ptr,
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ oconfig_free (root);
+ return (NULL);
+ }
+
+ if (S_ISREG (statbuf.st_mode))
+ temp = cf_read_file (path_ptr, depth);
+ else if (S_ISDIR (statbuf.st_mode))
+ temp = cf_read_dir (path_ptr, depth);
+ else
+ {
+ ERROR ("configfile: %s is neither a file nor a "
+ "directory.", path);
+ continue;
+ }
+
+ if (temp == NULL) {
+ oconfig_free (root);
+ return (NULL);
+ }
+
+ cf_ci_append_children (root, temp);
+ sfree (temp->children);
+ sfree (temp);
+ }
+
+ wordfree (&we);
+
+ return (root);
+} /* oconfig_item_t *cf_read_generic */
+/* #endif HAVE_WORDEXP_H */
+
+#else /* if !HAVE_WORDEXP_H */
+static oconfig_item_t *cf_read_generic (const char *path, int depth)
+{
+ struct stat statbuf;
+ int status;
+
+ if (depth >= CF_MAX_DEPTH)
+ {
+ ERROR ("configfile: Not including `%s' because the maximum "
+ "nesting depth has been reached.", path);
+ return (NULL);
+ }
status = stat (path, &statbuf);
if (status != 0)
ERROR ("configfile: %s is neither a file nor a directory.", path);
return (NULL);
} /* oconfig_item_t *cf_read_generic */
+#endif /* !HAVE_WORDEXP_H */
/*
* Public functions
dispatch_block (conf->children + i);
}
+ oconfig_free (conf);
+
+ /* Read the default types.db if no `TypesDB' option was given. */
if (cf_default_typesdb)
- read_types_list (PLUGINDIR"/types.db"); /* FIXME: Configure path */
+ read_types_list (PLUGINDIR"/types.db");
+
return (0);
} /* int cf_read */
projects / collectd.git / blobdiff