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 collectd.org>
29 #include <sys/types.h>
35 #define FC_RECURSIVE 1
38 struct fc_directory_conf_s
54 /* Helper for the recursive functions */
57 typedef struct fc_directory_conf_s fc_directory_conf_t;
59 static fc_directory_conf_t **directories = NULL;
60 static size_t directories_num = 0;
62 static void fc_submit_dir (const fc_directory_conf_t *dir)
64 value_list_t vl = VALUE_LIST_INIT;
66 vl.values = &(value_t) { .gauge = (gauge_t) dir->files_num };
68 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
69 sstrncpy (vl.plugin, "filecount", sizeof (vl.plugin));
70 sstrncpy (vl.plugin_instance, dir->instance, sizeof (vl.plugin_instance));
71 sstrncpy (vl.type, "files", sizeof (vl.type));
73 plugin_dispatch_values (&vl);
75 vl.values = &(value_t) { .gauge = (gauge_t) dir->files_size };
76 sstrncpy (vl.type, "bytes", sizeof (vl.type));
78 plugin_dispatch_values (&vl);
79 } /* void fc_submit_dir */
84 * <Directory /path/to/dir>
97 static int fc_config_set_instance (fc_directory_conf_t *dir, const char *str)
103 sstrncpy (buffer, str, sizeof (buffer));
104 for (ptr = buffer; *ptr != 0; ptr++)
108 for (ptr = buffer; *ptr == '_'; ptr++)
118 sfree (dir->instance);
119 dir->instance = copy;
122 } /* int fc_config_set_instance */
124 static int fc_config_add_dir_instance (fc_directory_conf_t *dir,
127 if ((ci->values_num != 1)
128 || (ci->values[0].type != OCONFIG_TYPE_STRING))
130 WARNING ("filecount plugin: The `Instance' config option needs exactly "
131 "one string argument.");
135 return (fc_config_set_instance (dir, ci->values[0].value.string));
136 } /* int fc_config_add_dir_instance */
138 static int fc_config_add_dir_name (fc_directory_conf_t *dir,
143 if ((ci->values_num != 1)
144 || (ci->values[0].type != OCONFIG_TYPE_STRING))
146 WARNING ("filecount plugin: The `Name' config option needs exactly one "
151 temp = strdup (ci->values[0].value.string);
154 ERROR ("filecount plugin: strdup failed.");
162 } /* int fc_config_add_dir_name */
164 static int fc_config_add_dir_mtime (fc_directory_conf_t *dir,
170 if ((ci->values_num != 1)
171 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
172 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
174 WARNING ("filecount plugin: The `MTime' config option needs exactly one "
175 "string or numeric argument.");
179 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
181 dir->mtime = (int64_t) ci->values[0].value.number;
187 temp = strtod (ci->values[0].value.string, &endptr);
188 if ((errno != 0) || (endptr == NULL)
189 || (endptr == ci->values[0].value.string))
191 WARNING ("filecount plugin: Converting `%s' to a number failed.",
192 ci->values[0].value.string);
225 temp *= 31557600; /* == 365.25 * 86400 */
229 WARNING ("filecount plugin: Invalid suffix for `MTime': `%c'", *endptr);
231 } /* switch (*endptr) */
233 dir->mtime = (int64_t) temp;
236 } /* int fc_config_add_dir_mtime */
238 static int fc_config_add_dir_size (fc_directory_conf_t *dir,
244 if ((ci->values_num != 1)
245 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
246 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
248 WARNING ("filecount plugin: The `Size' config option needs exactly one "
249 "string or numeric argument.");
253 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
255 dir->size = (int64_t) ci->values[0].value.number;
261 temp = strtod (ci->values[0].value.string, &endptr);
262 if ((errno != 0) || (endptr == NULL)
263 || (endptr == ci->values[0].value.string))
265 WARNING ("filecount plugin: Converting `%s' to a number failed.",
266 ci->values[0].value.string);
284 temp *= 1000.0 * 1000.0;
289 temp *= 1000.0 * 1000.0 * 1000.0;
294 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0;
299 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0 * 1000.0;
303 WARNING ("filecount plugin: Invalid suffix for `Size': `%c'", *endptr);
305 } /* switch (*endptr) */
307 dir->size = (int64_t) temp;
310 } /* int fc_config_add_dir_size */
312 static int fc_config_add_dir_option (fc_directory_conf_t *dir,
313 oconfig_item_t *ci, int bit)
315 if ((ci->values_num != 1)
316 || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
318 WARNING ("filecount plugin: The `Recursive' config options needs exactly "
319 "one boolean argument.");
323 if (ci->values[0].value.boolean)
326 dir->options &= ~bit;
329 } /* int fc_config_add_dir_option */
331 static int fc_config_add_dir (oconfig_item_t *ci)
333 fc_directory_conf_t *dir;
336 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
338 WARNING ("filecount plugin: `Directory' needs exactly one string "
343 /* Initialize `dir' */
344 dir = calloc (1, sizeof (*dir));
347 ERROR ("filecount plugin: calloc failed.");
351 dir->path = strdup (ci->values[0].value.string);
352 if (dir->path == NULL)
354 ERROR ("filecount plugin: strdup failed.");
359 fc_config_set_instance (dir, dir->path);
361 dir->options = FC_RECURSIVE;
368 for (int i = 0; i < ci->children_num; i++)
370 oconfig_item_t *option = ci->children + i;
372 if (strcasecmp ("Instance", option->key) == 0)
373 status = fc_config_add_dir_instance (dir, option);
374 else if (strcasecmp ("Name", option->key) == 0)
375 status = fc_config_add_dir_name (dir, option);
376 else if (strcasecmp ("MTime", option->key) == 0)
377 status = fc_config_add_dir_mtime (dir, option);
378 else if (strcasecmp ("Size", option->key) == 0)
379 status = fc_config_add_dir_size (dir, option);
380 else if (strcasecmp ("Recursive", option->key) == 0)
381 status = fc_config_add_dir_option (dir, option, FC_RECURSIVE);
382 else if (strcasecmp ("IncludeHidden", option->key) == 0)
383 status = fc_config_add_dir_option (dir, option, FC_HIDDEN);
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 = 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)
428 for (int i = 0; i < ci->children_num; i++)
430 oconfig_item_t *child = ci->children + i;
431 if (strcasecmp ("Directory", child->key) == 0)
432 fc_config_add_dir (child);
435 WARNING ("filecount plugin: Ignoring unknown config option `%s'.",
438 } /* for (ci->children) */
441 } /* int fc_config */
443 static int fc_init (void)
445 if (directories_num < 1)
447 WARNING ("filecount plugin: No directories have been configured.");
454 static int fc_read_dir_callback (const char *dirname, const char *filename,
457 fc_directory_conf_t *dir = user_data;
458 char abs_path[PATH_MAX];
465 ssnprintf (abs_path, sizeof (abs_path), "%s/%s", dirname, filename);
467 status = lstat (abs_path, &statbuf);
470 ERROR ("filecount plugin: stat (%s) failed.", abs_path);
474 if (S_ISDIR (statbuf.st_mode) && (dir->options & FC_RECURSIVE))
476 status = walk_directory (abs_path, fc_read_dir_callback, dir,
477 /* include hidden = */ (dir->options & FC_HIDDEN) ? 1 : 0);
480 else if (!S_ISREG (statbuf.st_mode))
485 if (dir->name != NULL)
487 status = fnmatch (dir->name, filename, /* flags = */ 0);
494 time_t mtime = dir->now;
501 DEBUG ("filecount plugin: Only collecting files that were touched %s %u.",
502 (dir->mtime < 0) ? "after" : "before",
503 (unsigned int) mtime);
505 if (((dir->mtime < 0) && (statbuf.st_mtime < mtime))
506 || ((dir->mtime > 0) && (statbuf.st_mtime > mtime)))
515 size = (off_t) ((-1) * dir->size);
517 size = (off_t) dir->size;
519 if (((dir->size < 0) && (statbuf.st_size > size))
520 || ((dir->size > 0) && (statbuf.st_size < size)))
525 dir->files_size += (uint64_t) statbuf.st_size;
528 } /* int fc_read_dir_callback */
530 static int fc_read_dir (fc_directory_conf_t *dir)
538 dir->now = time (NULL);
540 status = walk_directory (dir->path, fc_read_dir_callback, dir,
541 /* include hidden */ (dir->options & FC_HIDDEN) ? 1 : 0);
544 WARNING ("filecount plugin: walk_directory (%s) failed.", dir->path);
551 } /* int fc_read_dir */
553 static int fc_read (void)
555 for (size_t i = 0; i < directories_num; i++)
556 fc_read_dir (directories[i]);
561 void module_register (void)
563 plugin_register_complex_config ("filecount", fc_config);
564 plugin_register_init ("filecount", fc_init);
565 plugin_register_read ("filecount", fc_read);
566 } /* void module_register */
569 * vim: set sw=2 sts=2 et :