2 * collectd - src/filecount.c
3 * Copyright (C) 2008 Alessandro Iurlano
4 * Copyright (C) 2008 Florian octo Forster
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; only version 2 of the License is applicable.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * Alessandro Iurlano <alessandro.iurlano at gmail.com>
21 * Florian octo Forster <octo at verplant.org>
28 #include <sys/types.h>
34 #define FC_RECURSIVE 1
36 struct fc_directory_conf_s
52 /* Helper for the recursive functions */
55 typedef struct fc_directory_conf_s fc_directory_conf_t;
57 static fc_directory_conf_t **directories = NULL;
58 static size_t directories_num = 0;
60 static void fc_submit_dir (const fc_directory_conf_t *dir)
63 value_list_t vl = VALUE_LIST_INIT;
65 values[0].gauge = (gauge_t) dir->files_num;
68 vl.values_len = STATIC_ARRAY_SIZE (values);
69 vl.time = time (NULL);
70 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
71 sstrncpy (vl.plugin, "filecount", sizeof (vl.plugin));
72 sstrncpy (vl.plugin_instance, dir->instance, sizeof (vl.plugin_instance));
73 sstrncpy (vl.type, "files", sizeof (vl.type));
75 plugin_dispatch_values (&vl);
77 values[0].gauge = (gauge_t) dir->files_size;
78 sstrncpy (vl.type, "bytes", sizeof (vl.type));
80 plugin_dispatch_values (&vl);
81 } /* void fc_submit_dir */
86 * <Directory /path/to/dir>
99 static int fc_config_set_instance (fc_directory_conf_t *dir, const char *str)
105 sstrncpy (buffer, str, sizeof (buffer));
106 for (ptr = buffer; *ptr != 0; ptr++)
110 for (ptr = buffer; *ptr == '_'; ptr++)
120 sfree (dir->instance);
121 dir->instance = copy;
124 } /* int fc_config_set_instance */
126 static int fc_config_add_dir_instance (fc_directory_conf_t *dir,
129 if ((ci->values_num != 1)
130 || (ci->values[0].type != OCONFIG_TYPE_STRING))
132 WARNING ("filecount plugin: The `Instance' config option needs exactly "
133 "one string argument.");
137 return (fc_config_set_instance (dir, ci->values[0].value.string));
138 } /* int fc_config_add_dir_instance */
140 static int fc_config_add_dir_name (fc_directory_conf_t *dir,
145 if ((ci->values_num != 1)
146 || (ci->values[0].type != OCONFIG_TYPE_STRING))
148 WARNING ("filecount plugin: The `Name' config option needs exactly one "
153 temp = strdup (ci->values[0].value.string);
156 ERROR ("filecount plugin: strdup failed.");
164 } /* int fc_config_add_dir_name */
166 static int fc_config_add_dir_mtime (fc_directory_conf_t *dir,
172 if ((ci->values_num != 1)
173 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
174 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
176 WARNING ("filecount plugin: The `MTime' config option needs exactly one "
177 "string or numeric argument.");
181 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
183 dir->mtime = (int64_t) ci->values[0].value.number;
189 temp = strtod (ci->values[0].value.string, &endptr);
190 if ((errno != 0) || (endptr == NULL)
191 || (endptr == ci->values[0].value.string))
193 WARNING ("filecount plugin: Converting `%s' to a number failed.",
194 ci->values[0].value.string);
227 temp *= 31557600; /* == 365.25 * 86400 */
231 WARNING ("filecount plugin: Invalid suffix for `MTime': `%c'", *endptr);
233 } /* switch (*endptr) */
235 dir->mtime = (int64_t) temp;
238 } /* int fc_config_add_dir_mtime */
240 static int fc_config_add_dir_size (fc_directory_conf_t *dir,
246 if ((ci->values_num != 1)
247 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
248 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
250 WARNING ("filecount plugin: The `Size' config option needs exactly one "
251 "string or numeric argument.");
255 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
257 dir->size = (int64_t) ci->values[0].value.number;
263 temp = strtod (ci->values[0].value.string, &endptr);
264 if ((errno != 0) || (endptr == NULL)
265 || (endptr == ci->values[0].value.string))
267 WARNING ("filecount plugin: Converting `%s' to a number failed.",
268 ci->values[0].value.string);
286 temp *= 1000.0 * 1000.0;
291 temp *= 1000.0 * 1000.0 * 1000.0;
296 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0;
301 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0 * 1000.0;
305 WARNING ("filecount plugin: Invalid suffix for `Size': `%c'", *endptr);
307 } /* switch (*endptr) */
309 dir->size = (int64_t) temp;
312 } /* int fc_config_add_dir_size */
314 static int fc_config_add_dir_recursive (fc_directory_conf_t *dir,
317 if ((ci->values_num != 1)
318 || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
320 WARNING ("filecount plugin: The `Recursive' config options needs exactly "
321 "one boolean argument.");
325 if (ci->values[0].value.boolean)
326 dir->options |= FC_RECURSIVE;
328 dir->options &= ~FC_RECURSIVE;
331 } /* int fc_config_add_dir_recursive */
333 static int fc_config_add_dir (oconfig_item_t *ci)
335 fc_directory_conf_t *dir;
339 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
341 WARNING ("filecount plugin: `Directory' needs exactly one string "
346 /* Initialize `dir' */
347 dir = (fc_directory_conf_t *) malloc (sizeof (*dir));
350 ERROR ("filecount plugin: malloc failed.");
353 memset (dir, 0, sizeof (*dir));
355 dir->path = strdup (ci->values[0].value.string);
356 if (dir->path == NULL)
358 ERROR ("filecount plugin: strdup failed.");
362 fc_config_set_instance (dir, dir->path);
364 dir->options = FC_RECURSIVE;
371 for (i = 0; i < ci->children_num; i++)
373 oconfig_item_t *option = ci->children + i;
375 if (strcasecmp ("Instance", option->key) == 0)
376 status = fc_config_add_dir_instance (dir, option);
377 else if (strcasecmp ("Name", option->key) == 0)
378 status = fc_config_add_dir_name (dir, option);
379 else if (strcasecmp ("MTime", option->key) == 0)
380 status = fc_config_add_dir_mtime (dir, option);
381 else if (strcasecmp ("Size", option->key) == 0)
382 status = fc_config_add_dir_size (dir, option);
383 else if (strcasecmp ("Recursive", option->key) == 0)
384 status = fc_config_add_dir_recursive (dir, option);
387 WARNING ("filecount plugin: fc_config_add_dir: "
388 "Option `%s' not allowed here.", option->key);
394 } /* for (ci->children) */
398 fc_directory_conf_t **temp;
400 temp = (fc_directory_conf_t **) realloc (directories,
401 sizeof (*directories) * (directories_num + 1));
404 ERROR ("filecount plugin: realloc failed.");
410 directories[directories_num] = dir;
418 sfree (dir->instance);
425 } /* int fc_config_add_dir */
427 static int fc_config (oconfig_item_t *ci)
431 for (i = 0; i < ci->children_num; i++)
433 oconfig_item_t *child = ci->children + i;
434 if (strcasecmp ("Directory", child->key) == 0)
435 fc_config_add_dir (child);
438 WARNING ("filecount plugin: Ignoring unknown config option `%s'.",
441 } /* for (ci->children) */
444 } /* int fc_config */
446 static int fc_init (void)
448 if (directories_num < 1)
450 WARNING ("filecount plugin: No directories have been configured.");
457 static int fc_read_dir_callback (const char *dirname, const char *filename,
460 fc_directory_conf_t *dir = user_data;
461 char abs_path[PATH_MAX];
468 ssnprintf (abs_path, sizeof (abs_path), "%s/%s", dirname, filename);
470 status = lstat (abs_path, &statbuf);
473 ERROR ("filecount plugin: stat (%s) failed.", abs_path);
477 if (S_ISDIR (statbuf.st_mode) && (dir->options & FC_RECURSIVE))
479 status = walk_directory (abs_path, fc_read_dir_callback, dir);
482 else if (!S_ISREG (statbuf.st_mode))
487 if (dir->name != NULL)
489 status = fnmatch (dir->name, filename, /* flags = */ 0);
496 time_t mtime = dir->now;
503 DEBUG ("filecount plugin: Only collecting files that were touched %s %u.",
504 (dir->mtime < 0) ? "after" : "before",
505 (unsigned int) mtime);
507 if (((dir->mtime < 0) && (statbuf.st_mtime < mtime))
508 || ((dir->mtime > 0) && (statbuf.st_mtime > mtime)))
517 size = (off_t) ((-1) * dir->size);
519 size = (off_t) dir->size;
521 if (((dir->size < 0) && (statbuf.st_size > size))
522 || ((dir->size > 0) && (statbuf.st_size < size)))
527 dir->files_size += (uint64_t) statbuf.st_size;
530 } /* int fc_read_dir_callback */
532 static int fc_read_dir (fc_directory_conf_t *dir)
540 dir->now = time (NULL);
542 status = walk_directory (dir->path, fc_read_dir_callback, dir);
545 WARNING ("filecount plugin: walk_directory (%s) failed.", dir->path);
552 } /* int fc_read_dir */
554 static int fc_read (void)
558 for (i = 0; i < directories_num; i++)
559 fc_read_dir (directories[i]);
564 void module_register (void)
566 plugin_register_complex_config ("filecount", fc_config);
567 plugin_register_init ("filecount", fc_init);
568 plugin_register_read ("filecount", fc_read);
569 } /* void module_register */
572 * vim: set sw=2 sts=2 et :