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>
33 #include <sys/types.h>
35 #define FC_RECURSIVE 1
38 struct fc_directory_conf_s {
53 /* Helper for the recursive functions */
56 typedef struct fc_directory_conf_s fc_directory_conf_t;
58 static fc_directory_conf_t **directories = NULL;
59 static size_t directories_num = 0;
61 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) {
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,
125 oconfig_item_t *ci) {
126 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
127 WARNING("filecount plugin: The `Instance' config option needs exactly "
128 "one string argument.");
132 return (fc_config_set_instance(dir, ci->values[0].value.string));
133 } /* int fc_config_add_dir_instance */
135 static int fc_config_add_dir_name(fc_directory_conf_t *dir,
136 oconfig_item_t *ci) {
139 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
140 WARNING("filecount plugin: The `Name' config option needs exactly one "
145 temp = strdup(ci->values[0].value.string);
147 ERROR("filecount plugin: strdup failed.");
155 } /* int fc_config_add_dir_name */
157 static int fc_config_add_dir_mtime(fc_directory_conf_t *dir,
158 oconfig_item_t *ci) {
162 if ((ci->values_num != 1) || ((ci->values[0].type != OCONFIG_TYPE_STRING) &&
163 (ci->values[0].type != OCONFIG_TYPE_NUMBER))) {
164 WARNING("filecount plugin: The `MTime' config option needs exactly one "
165 "string or numeric argument.");
169 if (ci->values[0].type == OCONFIG_TYPE_NUMBER) {
170 dir->mtime = (int64_t)ci->values[0].value.number;
176 temp = strtod(ci->values[0].value.string, &endptr);
177 if ((errno != 0) || (endptr == NULL) ||
178 (endptr == ci->values[0].value.string)) {
179 WARNING("filecount plugin: Converting `%s' to a number failed.",
180 ci->values[0].value.string);
212 temp *= 31557600; /* == 365.25 * 86400 */
216 WARNING("filecount plugin: Invalid suffix for `MTime': `%c'", *endptr);
218 } /* switch (*endptr) */
220 dir->mtime = (int64_t)temp;
223 } /* int fc_config_add_dir_mtime */
225 static int fc_config_add_dir_size(fc_directory_conf_t *dir,
226 oconfig_item_t *ci) {
230 if ((ci->values_num != 1) || ((ci->values[0].type != OCONFIG_TYPE_STRING) &&
231 (ci->values[0].type != OCONFIG_TYPE_NUMBER))) {
232 WARNING("filecount plugin: The `Size' config option needs exactly one "
233 "string or numeric argument.");
237 if (ci->values[0].type == OCONFIG_TYPE_NUMBER) {
238 dir->size = (int64_t)ci->values[0].value.number;
244 temp = strtod(ci->values[0].value.string, &endptr);
245 if ((errno != 0) || (endptr == NULL) ||
246 (endptr == ci->values[0].value.string)) {
247 WARNING("filecount plugin: Converting `%s' to a number failed.",
248 ci->values[0].value.string);
265 temp *= 1000.0 * 1000.0;
270 temp *= 1000.0 * 1000.0 * 1000.0;
275 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0;
280 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0 * 1000.0;
284 WARNING("filecount plugin: Invalid suffix for `Size': `%c'", *endptr);
286 } /* switch (*endptr) */
288 dir->size = (int64_t)temp;
291 } /* int fc_config_add_dir_size */
293 static int fc_config_add_dir_option(fc_directory_conf_t *dir,
294 oconfig_item_t *ci, int bit) {
295 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) {
296 WARNING("filecount plugin: The `Recursive' config options needs exactly "
297 "one boolean argument.");
301 if (ci->values[0].value.boolean)
304 dir->options &= ~bit;
307 } /* int fc_config_add_dir_option */
309 static int fc_config_add_dir(oconfig_item_t *ci) {
310 fc_directory_conf_t *dir;
313 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
314 WARNING("filecount plugin: `Directory' needs exactly one string "
319 /* Initialize `dir' */
320 dir = calloc(1, sizeof(*dir));
322 ERROR("filecount plugin: calloc failed.");
326 dir->path = strdup(ci->values[0].value.string);
327 if (dir->path == NULL) {
328 ERROR("filecount plugin: strdup failed.");
333 fc_config_set_instance(dir, dir->path);
335 dir->options = FC_RECURSIVE;
342 for (int i = 0; i < ci->children_num; i++) {
343 oconfig_item_t *option = ci->children + i;
345 if (strcasecmp("Instance", option->key) == 0)
346 status = fc_config_add_dir_instance(dir, option);
347 else if (strcasecmp("Name", option->key) == 0)
348 status = fc_config_add_dir_name(dir, option);
349 else if (strcasecmp("MTime", option->key) == 0)
350 status = fc_config_add_dir_mtime(dir, option);
351 else if (strcasecmp("Size", option->key) == 0)
352 status = fc_config_add_dir_size(dir, option);
353 else if (strcasecmp("Recursive", option->key) == 0)
354 status = fc_config_add_dir_option(dir, option, FC_RECURSIVE);
355 else if (strcasecmp("IncludeHidden", option->key) == 0)
356 status = fc_config_add_dir_option(dir, option, FC_HIDDEN);
358 WARNING("filecount plugin: fc_config_add_dir: "
359 "Option `%s' not allowed here.",
366 } /* for (ci->children) */
369 fc_directory_conf_t **temp;
371 temp = realloc(directories, sizeof(*directories) * (directories_num + 1));
373 ERROR("filecount plugin: realloc failed.");
377 directories[directories_num] = dir;
384 sfree(dir->instance);
391 } /* int fc_config_add_dir */
393 static int fc_config(oconfig_item_t *ci) {
394 for (int i = 0; i < ci->children_num; i++) {
395 oconfig_item_t *child = ci->children + i;
396 if (strcasecmp("Directory", child->key) == 0)
397 fc_config_add_dir(child);
399 WARNING("filecount plugin: Ignoring unknown config option `%s'.",
402 } /* for (ci->children) */
405 } /* int fc_config */
407 static int fc_init(void) {
408 if (directories_num < 1) {
409 WARNING("filecount plugin: No directories have been configured.");
416 static int fc_read_dir_callback(const char *dirname, const char *filename,
418 fc_directory_conf_t *dir = user_data;
419 char abs_path[PATH_MAX];
426 ssnprintf(abs_path, sizeof(abs_path), "%s/%s", dirname, filename);
428 status = lstat(abs_path, &statbuf);
430 ERROR("filecount plugin: stat (%s) failed.", abs_path);
434 if (S_ISDIR(statbuf.st_mode) && (dir->options & FC_RECURSIVE)) {
435 status = walk_directory(
436 abs_path, fc_read_dir_callback, dir,
437 /* include hidden = */ (dir->options & FC_HIDDEN) ? 1 : 0);
439 } else if (!S_ISREG(statbuf.st_mode)) {
443 if (dir->name != NULL) {
444 status = fnmatch(dir->name, filename, /* flags = */ 0);
449 if (dir->mtime != 0) {
450 time_t mtime = dir->now;
457 DEBUG("filecount plugin: Only collecting files that were touched %s %u.",
458 (dir->mtime < 0) ? "after" : "before", (unsigned int)mtime);
460 if (((dir->mtime < 0) && (statbuf.st_mtime < mtime)) ||
461 ((dir->mtime > 0) && (statbuf.st_mtime > mtime)))
465 if (dir->size != 0) {
469 size = (off_t)((-1) * dir->size);
471 size = (off_t)dir->size;
473 if (((dir->size < 0) && (statbuf.st_size > size)) ||
474 ((dir->size > 0) && (statbuf.st_size < size)))
479 dir->files_size += (uint64_t)statbuf.st_size;
482 } /* int fc_read_dir_callback */
484 static int fc_read_dir(fc_directory_conf_t *dir) {
491 dir->now = time(NULL);
494 walk_directory(dir->path, fc_read_dir_callback, dir,
495 /* include hidden */ (dir->options & FC_HIDDEN) ? 1 : 0);
497 WARNING("filecount plugin: walk_directory (%s) failed.", dir->path);
504 } /* int fc_read_dir */
506 static int fc_read(void) {
507 for (size_t i = 0; i < directories_num; i++)
508 fc_read_dir(directories[i]);
513 void module_register(void) {
514 plugin_register_complex_config("filecount", fc_config);
515 plugin_register_init("filecount", fc_init);
516 plugin_register_read("filecount", fc_read);
517 } /* void module_register */
520 * vim: set sw=2 sts=2 et :