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 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
70 sstrncpy (vl.plugin, "filecount", sizeof (vl.plugin));
71 sstrncpy (vl.plugin_instance, dir->instance, sizeof (vl.plugin_instance));
72 sstrncpy (vl.type, "files", sizeof (vl.type));
74 plugin_dispatch_values (&vl);
76 values[0].gauge = (gauge_t) dir->files_size;
77 sstrncpy (vl.type, "bytes", sizeof (vl.type));
79 plugin_dispatch_values (&vl);
80 } /* void fc_submit_dir */
85 * <Directory /path/to/dir>
98 static int fc_config_set_instance (fc_directory_conf_t *dir, const char *str)
104 sstrncpy (buffer, str, sizeof (buffer));
105 for (ptr = buffer; *ptr != 0; ptr++)
109 for (ptr = buffer; *ptr == '_'; ptr++)
119 sfree (dir->instance);
120 dir->instance = copy;
123 } /* int fc_config_set_instance */
125 static int fc_config_add_dir_instance (fc_directory_conf_t *dir,
128 if ((ci->values_num != 1)
129 || (ci->values[0].type != OCONFIG_TYPE_STRING))
131 WARNING ("filecount plugin: The `Instance' config option needs exactly "
132 "one string argument.");
136 return (fc_config_set_instance (dir, ci->values[0].value.string));
137 } /* int fc_config_add_dir_instance */
139 static int fc_config_add_dir_name (fc_directory_conf_t *dir,
144 if ((ci->values_num != 1)
145 || (ci->values[0].type != OCONFIG_TYPE_STRING))
147 WARNING ("filecount plugin: The `Name' config option needs exactly one "
152 temp = strdup (ci->values[0].value.string);
155 ERROR ("filecount plugin: strdup failed.");
163 } /* int fc_config_add_dir_name */
165 static int fc_config_add_dir_mtime (fc_directory_conf_t *dir,
171 if ((ci->values_num != 1)
172 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
173 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
175 WARNING ("filecount plugin: The `MTime' config option needs exactly one "
176 "string or numeric argument.");
180 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
182 dir->mtime = (int64_t) ci->values[0].value.number;
188 temp = strtod (ci->values[0].value.string, &endptr);
189 if ((errno != 0) || (endptr == NULL)
190 || (endptr == ci->values[0].value.string))
192 WARNING ("filecount plugin: Converting `%s' to a number failed.",
193 ci->values[0].value.string);
226 temp *= 31557600; /* == 365.25 * 86400 */
230 WARNING ("filecount plugin: Invalid suffix for `MTime': `%c'", *endptr);
232 } /* switch (*endptr) */
234 dir->mtime = (int64_t) temp;
237 } /* int fc_config_add_dir_mtime */
239 static int fc_config_add_dir_size (fc_directory_conf_t *dir,
245 if ((ci->values_num != 1)
246 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
247 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
249 WARNING ("filecount plugin: The `Size' config option needs exactly one "
250 "string or numeric argument.");
254 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
256 dir->size = (int64_t) ci->values[0].value.number;
262 temp = strtod (ci->values[0].value.string, &endptr);
263 if ((errno != 0) || (endptr == NULL)
264 || (endptr == ci->values[0].value.string))
266 WARNING ("filecount plugin: Converting `%s' to a number failed.",
267 ci->values[0].value.string);
285 temp *= 1000.0 * 1000.0;
290 temp *= 1000.0 * 1000.0 * 1000.0;
295 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0;
300 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0 * 1000.0;
304 WARNING ("filecount plugin: Invalid suffix for `Size': `%c'", *endptr);
306 } /* switch (*endptr) */
308 dir->size = (int64_t) temp;
311 } /* int fc_config_add_dir_size */
313 static int fc_config_add_dir_recursive (fc_directory_conf_t *dir,
316 if ((ci->values_num != 1)
317 || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
319 WARNING ("filecount plugin: The `Recursive' config options needs exactly "
320 "one boolean argument.");
324 if (ci->values[0].value.boolean)
325 dir->options |= FC_RECURSIVE;
327 dir->options &= ~FC_RECURSIVE;
330 } /* int fc_config_add_dir_recursive */
332 static int fc_config_add_dir (oconfig_item_t *ci)
334 fc_directory_conf_t *dir;
338 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
340 WARNING ("filecount plugin: `Directory' needs exactly one string "
345 /* Initialize `dir' */
346 dir = (fc_directory_conf_t *) malloc (sizeof (*dir));
349 ERROR ("filecount plugin: malloc failed.");
352 memset (dir, 0, sizeof (*dir));
354 dir->path = strdup (ci->values[0].value.string);
355 if (dir->path == NULL)
357 ERROR ("filecount plugin: strdup failed.");
361 fc_config_set_instance (dir, dir->path);
363 dir->options = FC_RECURSIVE;
370 for (i = 0; i < ci->children_num; i++)
372 oconfig_item_t *option = ci->children + i;
374 if (strcasecmp ("Instance", option->key) == 0)
375 status = fc_config_add_dir_instance (dir, option);
376 else if (strcasecmp ("Name", option->key) == 0)
377 status = fc_config_add_dir_name (dir, option);
378 else if (strcasecmp ("MTime", option->key) == 0)
379 status = fc_config_add_dir_mtime (dir, option);
380 else if (strcasecmp ("Size", option->key) == 0)
381 status = fc_config_add_dir_size (dir, option);
382 else if (strcasecmp ("Recursive", option->key) == 0)
383 status = fc_config_add_dir_recursive (dir, option);
386 WARNING ("filecount plugin: fc_config_add_dir: "
387 "Option `%s' not allowed here.", option->key);
393 } /* for (ci->children) */
397 fc_directory_conf_t **temp;
399 temp = (fc_directory_conf_t **) realloc (directories,
400 sizeof (*directories) * (directories_num + 1));
403 ERROR ("filecount plugin: realloc failed.");
409 directories[directories_num] = dir;
417 sfree (dir->instance);
424 } /* int fc_config_add_dir */
426 static int fc_config (oconfig_item_t *ci)
430 for (i = 0; i < ci->children_num; i++)
432 oconfig_item_t *child = ci->children + i;
433 if (strcasecmp ("Directory", child->key) == 0)
434 fc_config_add_dir (child);
437 WARNING ("filecount plugin: Ignoring unknown config option `%s'.",
440 } /* for (ci->children) */
443 } /* int fc_config */
445 static int fc_init (void)
447 if (directories_num < 1)
449 WARNING ("filecount plugin: No directories have been configured.");
456 static int fc_read_dir_callback (const char *dirname, const char *filename,
459 fc_directory_conf_t *dir = user_data;
460 char abs_path[PATH_MAX];
467 ssnprintf (abs_path, sizeof (abs_path), "%s/%s", dirname, filename);
469 status = lstat (abs_path, &statbuf);
472 ERROR ("filecount plugin: stat (%s) failed.", abs_path);
476 if (S_ISDIR (statbuf.st_mode) && (dir->options & FC_RECURSIVE))
478 status = walk_directory (abs_path, fc_read_dir_callback, dir);
481 else if (!S_ISREG (statbuf.st_mode))
486 if (dir->name != NULL)
488 status = fnmatch (dir->name, filename, /* flags = */ 0);
495 time_t mtime = dir->now;
502 DEBUG ("filecount plugin: Only collecting files that were touched %s %u.",
503 (dir->mtime < 0) ? "after" : "before",
504 (unsigned int) mtime);
506 if (((dir->mtime < 0) && (statbuf.st_mtime < mtime))
507 || ((dir->mtime > 0) && (statbuf.st_mtime > mtime)))
516 size = (off_t) ((-1) * dir->size);
518 size = (off_t) dir->size;
520 if (((dir->size < 0) && (statbuf.st_size > size))
521 || ((dir->size > 0) && (statbuf.st_size < size)))
526 dir->files_size += (uint64_t) statbuf.st_size;
529 } /* int fc_read_dir_callback */
531 static int fc_read_dir (fc_directory_conf_t *dir)
539 dir->now = time (NULL);
541 status = walk_directory (dir->path, fc_read_dir_callback, dir);
544 WARNING ("filecount plugin: walk_directory (%s) failed.", dir->path);
551 } /* int fc_read_dir */
553 static int fc_read (void)
557 for (i = 0; i < directories_num; i++)
558 fc_read_dir (directories[i]);
563 void module_register (void)
565 plugin_register_complex_config ("filecount", fc_config);
566 plugin_register_init ("filecount", fc_init);
567 plugin_register_read ("filecount", fc_read);
568 } /* void module_register */
571 * vim: set sw=2 sts=2 et :