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) {
62 value_list_t vl = VALUE_LIST_INIT;
64 vl.values = &(value_t){.gauge = (gauge_t)dir->files_num};
66 sstrncpy(vl.plugin, "filecount", sizeof(vl.plugin));
67 sstrncpy(vl.plugin_instance, dir->instance, sizeof(vl.plugin_instance));
68 sstrncpy(vl.type, "files", sizeof(vl.type));
70 plugin_dispatch_values(&vl);
72 vl.values = &(value_t){.gauge = (gauge_t)dir->files_size};
73 sstrncpy(vl.type, "bytes", sizeof(vl.type));
75 plugin_dispatch_values(&vl);
76 } /* void fc_submit_dir */
81 * <Directory /path/to/dir>
94 static int fc_config_set_instance(fc_directory_conf_t *dir, const char *str) {
99 sstrncpy(buffer, str, sizeof(buffer));
100 for (ptr = buffer; *ptr != 0; ptr++)
104 for (ptr = buffer; *ptr == '_'; ptr++)
114 sfree(dir->instance);
115 dir->instance = copy;
118 } /* int fc_config_set_instance */
120 static int fc_config_add_dir_instance(fc_directory_conf_t *dir,
121 oconfig_item_t *ci) {
122 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
123 WARNING("filecount plugin: The `Instance' config option needs exactly "
124 "one string argument.");
128 return (fc_config_set_instance(dir, ci->values[0].value.string));
129 } /* int fc_config_add_dir_instance */
131 static int fc_config_add_dir_name(fc_directory_conf_t *dir,
132 oconfig_item_t *ci) {
135 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
136 WARNING("filecount plugin: The `Name' config option needs exactly one "
141 temp = strdup(ci->values[0].value.string);
143 ERROR("filecount plugin: strdup failed.");
151 } /* int fc_config_add_dir_name */
153 static int fc_config_add_dir_mtime(fc_directory_conf_t *dir,
154 oconfig_item_t *ci) {
158 if ((ci->values_num != 1) || ((ci->values[0].type != OCONFIG_TYPE_STRING) &&
159 (ci->values[0].type != OCONFIG_TYPE_NUMBER))) {
160 WARNING("filecount plugin: The `MTime' config option needs exactly one "
161 "string or numeric argument.");
165 if (ci->values[0].type == OCONFIG_TYPE_NUMBER) {
166 dir->mtime = (int64_t)ci->values[0].value.number;
172 temp = strtod(ci->values[0].value.string, &endptr);
173 if ((errno != 0) || (endptr == NULL) ||
174 (endptr == ci->values[0].value.string)) {
175 WARNING("filecount plugin: Converting `%s' to a number failed.",
176 ci->values[0].value.string);
208 temp *= 31557600; /* == 365.25 * 86400 */
212 WARNING("filecount plugin: Invalid suffix for `MTime': `%c'", *endptr);
214 } /* switch (*endptr) */
216 dir->mtime = (int64_t)temp;
219 } /* int fc_config_add_dir_mtime */
221 static int fc_config_add_dir_size(fc_directory_conf_t *dir,
222 oconfig_item_t *ci) {
226 if ((ci->values_num != 1) || ((ci->values[0].type != OCONFIG_TYPE_STRING) &&
227 (ci->values[0].type != OCONFIG_TYPE_NUMBER))) {
228 WARNING("filecount plugin: The `Size' config option needs exactly one "
229 "string or numeric argument.");
233 if (ci->values[0].type == OCONFIG_TYPE_NUMBER) {
234 dir->size = (int64_t)ci->values[0].value.number;
240 temp = strtod(ci->values[0].value.string, &endptr);
241 if ((errno != 0) || (endptr == NULL) ||
242 (endptr == ci->values[0].value.string)) {
243 WARNING("filecount plugin: Converting `%s' to a number failed.",
244 ci->values[0].value.string);
261 temp *= 1000.0 * 1000.0;
266 temp *= 1000.0 * 1000.0 * 1000.0;
271 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0;
276 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0 * 1000.0;
280 WARNING("filecount plugin: Invalid suffix for `Size': `%c'", *endptr);
282 } /* switch (*endptr) */
284 dir->size = (int64_t)temp;
287 } /* int fc_config_add_dir_size */
289 static int fc_config_add_dir_option(fc_directory_conf_t *dir,
290 oconfig_item_t *ci, int bit) {
291 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) {
292 WARNING("filecount plugin: The `Recursive' config options needs exactly "
293 "one boolean argument.");
297 if (ci->values[0].value.boolean)
300 dir->options &= ~bit;
303 } /* int fc_config_add_dir_option */
305 static int fc_config_add_dir(oconfig_item_t *ci) {
306 fc_directory_conf_t *dir;
309 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
310 WARNING("filecount plugin: `Directory' needs exactly one string "
315 /* Initialize `dir' */
316 dir = calloc(1, sizeof(*dir));
318 ERROR("filecount plugin: calloc failed.");
322 dir->path = strdup(ci->values[0].value.string);
323 if (dir->path == NULL) {
324 ERROR("filecount plugin: strdup failed.");
329 fc_config_set_instance(dir, dir->path);
331 dir->options = FC_RECURSIVE;
338 for (int i = 0; i < ci->children_num; i++) {
339 oconfig_item_t *option = ci->children + i;
341 if (strcasecmp("Instance", option->key) == 0)
342 status = fc_config_add_dir_instance(dir, option);
343 else if (strcasecmp("Name", option->key) == 0)
344 status = fc_config_add_dir_name(dir, option);
345 else if (strcasecmp("MTime", option->key) == 0)
346 status = fc_config_add_dir_mtime(dir, option);
347 else if (strcasecmp("Size", option->key) == 0)
348 status = fc_config_add_dir_size(dir, option);
349 else if (strcasecmp("Recursive", option->key) == 0)
350 status = fc_config_add_dir_option(dir, option, FC_RECURSIVE);
351 else if (strcasecmp("IncludeHidden", option->key) == 0)
352 status = fc_config_add_dir_option(dir, option, FC_HIDDEN);
354 WARNING("filecount plugin: fc_config_add_dir: "
355 "Option `%s' not allowed here.",
362 } /* for (ci->children) */
365 fc_directory_conf_t **temp;
367 temp = realloc(directories, sizeof(*directories) * (directories_num + 1));
369 ERROR("filecount plugin: realloc failed.");
373 directories[directories_num] = dir;
380 sfree(dir->instance);
387 } /* int fc_config_add_dir */
389 static int fc_config(oconfig_item_t *ci) {
390 for (int i = 0; i < ci->children_num; i++) {
391 oconfig_item_t *child = ci->children + i;
392 if (strcasecmp("Directory", child->key) == 0)
393 fc_config_add_dir(child);
395 WARNING("filecount plugin: Ignoring unknown config option `%s'.",
398 } /* for (ci->children) */
401 } /* int fc_config */
403 static int fc_init(void) {
404 if (directories_num < 1) {
405 WARNING("filecount plugin: No directories have been configured.");
412 static int fc_read_dir_callback(const char *dirname, const char *filename,
414 fc_directory_conf_t *dir = user_data;
415 char abs_path[PATH_MAX];
422 ssnprintf(abs_path, sizeof(abs_path), "%s/%s", dirname, filename);
424 status = lstat(abs_path, &statbuf);
426 ERROR("filecount plugin: stat (%s) failed.", abs_path);
430 if (S_ISDIR(statbuf.st_mode) && (dir->options & FC_RECURSIVE)) {
431 status = walk_directory(
432 abs_path, fc_read_dir_callback, dir,
433 /* include hidden = */ (dir->options & FC_HIDDEN) ? 1 : 0);
435 } else if (!S_ISREG(statbuf.st_mode)) {
439 if (dir->name != NULL) {
440 status = fnmatch(dir->name, filename, /* flags = */ 0);
445 if (dir->mtime != 0) {
446 time_t mtime = dir->now;
453 DEBUG("filecount plugin: Only collecting files that were touched %s %u.",
454 (dir->mtime < 0) ? "after" : "before", (unsigned int)mtime);
456 if (((dir->mtime < 0) && (statbuf.st_mtime < mtime)) ||
457 ((dir->mtime > 0) && (statbuf.st_mtime > mtime)))
461 if (dir->size != 0) {
465 size = (off_t)((-1) * dir->size);
467 size = (off_t)dir->size;
469 if (((dir->size < 0) && (statbuf.st_size > size)) ||
470 ((dir->size > 0) && (statbuf.st_size < size)))
475 dir->files_size += (uint64_t)statbuf.st_size;
478 } /* int fc_read_dir_callback */
480 static int fc_read_dir(fc_directory_conf_t *dir) {
487 dir->now = time(NULL);
490 walk_directory(dir->path, fc_read_dir_callback, dir,
491 /* include hidden */ (dir->options & FC_HIDDEN) ? 1 : 0);
493 WARNING("filecount plugin: walk_directory (%s) failed.", dir->path);
500 } /* int fc_read_dir */
502 static int fc_read(void) {
503 for (size_t i = 0; i < directories_num; i++)
504 fc_read_dir(directories[i]);
509 void module_register(void) {
510 plugin_register_complex_config("filecount", fc_config);
511 plugin_register_init("filecount", fc_init);
512 plugin_register_read("filecount", fc_read);
513 } /* void module_register */