2 * collectd - src/qmail.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 struct fc_directory_conf_s
48 /* Helper for the recursive functions */
51 typedef struct fc_directory_conf_s fc_directory_conf_t;
53 static fc_directory_conf_t **directories = NULL;
54 static size_t directories_num = 0;
56 static void fc_submit_dir (const fc_directory_conf_t *dir)
59 value_list_t vl = VALUE_LIST_INIT;
61 values[0].gauge = (gauge_t) dir->files_num;
64 vl.values_len = STATIC_ARRAY_SIZE (values);
65 vl.time = time (NULL);
66 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
67 sstrncpy (vl.plugin, "qmail", sizeof (vl.plugin));
68 sstrncpy (vl.plugin_instance, dir->instance, sizeof (vl.plugin_instance));
69 sstrncpy (vl.type, "files", sizeof (vl.type));
71 plugin_dispatch_values (&vl);
73 values[0].gauge = (gauge_t) dir->files_size;
74 sstrncpy (vl.type, "bytes", sizeof (vl.type));
76 plugin_dispatch_values (&vl);
77 } /* void qmail_submit */
82 * <Directory /path/to/dir>
95 static int fc_config_set_instance (fc_directory_conf_t *dir, const char *str)
101 strncpy (buffer, str, sizeof (buffer));
102 for (ptr = buffer; *ptr != 0; ptr++)
106 for (ptr = buffer; *ptr == '-'; ptr++)
116 sfree (dir->instance);
117 dir->instance = copy;
120 } /* int fc_config_set_instance */
122 static int fc_config_add_dir_instance (fc_directory_conf_t *dir,
125 if ((ci->values_num != 1)
126 || (ci->values[0].type != OCONFIG_TYPE_STRING))
128 WARNING ("qmail plugin: The `Instance' config option needs exactly one "
133 return (fc_config_set_instance (dir, ci->values[0].value.string));
134 } /* int fc_config_add_dir_instance */
136 static int fc_config_add_dir_name (fc_directory_conf_t *dir,
141 if ((ci->values_num != 1)
142 || (ci->values[0].type != OCONFIG_TYPE_STRING))
144 WARNING ("qmail plugin: The `Name' config option needs exactly one "
149 temp = strdup (ci->values[0].value.string);
152 ERROR ("qmail plugin: strdup failed.");
160 } /* int fc_config_add_dir_name */
162 static int fc_config_add_dir_mtime (fc_directory_conf_t *dir,
168 if ((ci->values_num != 1)
169 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
170 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
172 WARNING ("qmail plugin: The `MTime' config option needs exactly one "
173 "string or numeric argument.");
177 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
179 dir->mtime = (int64_t) ci->values[0].value.number;
185 temp = strtod (ci->values[0].value.string, &endptr);
186 if ((errno != 0) || (endptr == NULL)
187 || (endptr == ci->values[0].value.string))
189 WARNING ("qmail plugin: Converting `%s' to a number failed.",
190 ci->values[0].value.string);
223 temp *= 31557600; /* == 365.25 * 86400 */
227 WARNING ("qmail plugin: Invalid suffix for `MTime': `%c'", *endptr);
229 } /* switch (*endptr) */
231 dir->mtime = (int64_t) temp;
234 } /* int fc_config_add_dir_mtime */
236 static int fc_config_add_dir_size (fc_directory_conf_t *dir,
242 if ((ci->values_num != 1)
243 || ((ci->values[0].type != OCONFIG_TYPE_STRING)
244 && (ci->values[0].type != OCONFIG_TYPE_NUMBER)))
246 WARNING ("qmail plugin: The `Size' config option needs exactly one "
247 "string or numeric argument.");
251 if (ci->values[0].type == OCONFIG_TYPE_NUMBER)
253 dir->size = (int64_t) ci->values[0].value.number;
259 temp = strtod (ci->values[0].value.string, &endptr);
260 if ((errno != 0) || (endptr == NULL)
261 || (endptr == ci->values[0].value.string))
263 WARNING ("qmail plugin: Converting `%s' to a number failed.",
264 ci->values[0].value.string);
282 temp *= 1000.0 * 1000.0;
287 temp *= 1000.0 * 1000.0 * 1000.0;
292 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0;
297 temp *= 1000.0 * 1000.0 * 1000.0 * 1000.0 * 1000.0;
301 WARNING ("qmail plugin: Invalid suffix for `Size': `%c'", *endptr);
303 } /* switch (*endptr) */
305 dir->size = (int64_t) temp;
308 } /* int fc_config_add_dir_size */
310 static int fc_config_add_dir (oconfig_item_t *ci)
312 fc_directory_conf_t *dir;
316 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
318 WARNING ("qmail plugin: `Directory' needs exactly one string argument.");
322 /* Initialize `dir' */
323 dir = (fc_directory_conf_t *) malloc (sizeof (*dir));
326 ERROR ("qmail plugin: mallow failed.");
329 memset (dir, 0, sizeof (*dir));
331 dir->path = strdup (ci->values[0].value.string);
332 if (dir->path == NULL)
334 ERROR ("qmail plugin: strdup failed.");
338 fc_config_set_instance (dir, dir->path);
344 for (i = 0; i < ci->children_num; i++)
346 oconfig_item_t *option = ci->children + i;
349 if (strcasecmp ("Instance", option->key) == 0)
350 status = fc_config_add_dir_instance (dir, option);
351 else if (strcasecmp ("Name", option->key) == 0)
352 status = fc_config_add_dir_name (dir, option);
353 else if (strcasecmp ("MTime", option->key) == 0)
354 status = fc_config_add_dir_mtime (dir, option);
355 else if (strcasecmp ("Size", option->key) == 0)
356 status = fc_config_add_dir_size (dir, option);
359 WARNING ("qmail plugin: fc_config_add_dir: "
360 "Option `%s' not allowed here.", option->key);
366 } /* for (ci->children) */
370 fc_directory_conf_t **temp;
372 temp = (fc_directory_conf_t **) realloc (directories,
373 sizeof (*directories) * directories_num);
376 ERROR ("qmail plugin: realloc failed.");
382 directories[directories_num] = dir;
390 sfree (dir->instance);
397 } /* int fc_config_add_dir */
399 static int fc_config (oconfig_item_t *ci)
403 for (i = 0; i < ci->children_num; i++)
405 oconfig_item_t *child = ci->children + i;
406 if (strcasecmp ("Directory", child->key) == 0)
407 fc_config_add_dir (child);
410 WARNING ("qmail plugin: Ignoring unknown config option `%s'.",
413 } /* for (ci->children) */
416 } /* int qmail_config */
418 static int fc_init (void)
420 if (directories_num < 1)
422 WARNING ("qmail plugin: No directories have been configured.");
429 static int fc_read_dir_callback (const char *dirname, const char *filename,
432 fc_directory_conf_t *dir = user_data;
433 char abs_path[PATH_MAX];
440 ssnprintf (abs_path, sizeof (abs_path), "%s/%s", dirname, filename);
442 status = lstat (abs_path, &statbuf);
445 ERROR ("qmail plugin: stat (%s) failed.", abs_path);
449 if (S_ISDIR (statbuf.st_mode))
451 status = walk_directory (abs_path, fc_read_dir_callback, dir);
454 else if (!S_ISREG (statbuf.st_mode))
459 if (dir->name != NULL)
461 status = fnmatch (dir->name, filename, /* flags = */ 0);
468 time_t mtime = dir->now;
475 DEBUG ("qmail plugin: Only collecting files that were touched %s %u.",
476 (dir->mtime < 0) ? "after" : "before",
477 (unsigned int) mtime);
479 if (((dir->mtime < 0) && (statbuf.st_mtime < mtime))
480 || ((dir->mtime > 0) && (statbuf.st_mtime > mtime)))
489 size = (off_t) ((-1) * dir->size);
491 size = (off_t) dir->size;
493 if (((dir->size < 0) && (statbuf.st_size > size))
494 || ((dir->size > 0) && (statbuf.st_size < size)))
499 dir->files_size += (uint64_t) statbuf.st_size;
502 } /* int fc_read_dir_callback */
504 static int fc_read_dir (fc_directory_conf_t *dir)
512 dir->now = time (NULL);
514 status = walk_directory (dir->path, fc_read_dir_callback, dir);
517 WARNING ("qmail plugin: walk_directory (%s) failed.", dir->path);
524 } /* int fc_read_dir */
526 static int fc_read (void)
530 for (i = 0; i < directories_num; i++)
531 fc_read_dir (directories[i]);
536 void module_register (void)
538 plugin_register_complex_config ("qmail", fc_config);
539 plugin_register_init ("qmail", fc_init);
540 plugin_register_read ("qmail", fc_read);
541 } /* void module_register */
544 * vim: set sw=2 sts=2 et :