/**
* collectd - src/df.c
* Copyright (C) 2005-2007 Florian octo Forster
+ * Copyright (C) 2009 Paul Sadauskas
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
*
* Authors:
* Florian octo Forster <octo at verplant.org>
+ * Paul Sadauskas <psadauskas at gmail.com>
**/
#include "collectd.h"
#include "utils_mount.h"
#include "utils_ignorelist.h"
-#if HAVE_STATFS || HAVE_STATVFS
-# define DF_HAVE_READ 1
-#else
-# define DF_HAVE_READ 0
-#endif
-
#if HAVE_STATVFS
# if HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
# endif
# define STATANYFS statfs
# define BLOCKSIZE(s) (s).f_bsize
+#else
+# error "No applicable input method."
#endif
-#if DF_HAVE_READ
static const char *config_keys[] =
{
"Device",
"MountPoint",
"FSType",
"IgnoreSelected",
- NULL
+ "ReportByDevice"
};
-static int config_keys_num = 4;
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
static ignorelist_t *il_device = NULL;
static ignorelist_t *il_mountpoint = NULL;
static ignorelist_t *il_fstype = NULL;
+static _Bool by_device = false;
+
static int df_init (void)
{
if (il_device == NULL)
}
else if (strcasecmp (key, "IgnoreSelected") == 0)
{
- if ((strcasecmp (value, "True") == 0)
- || (strcasecmp (value, "Yes") == 0)
- || (strcasecmp (value, "On") == 0))
+ if (IS_TRUE (value))
{
ignorelist_set_invert (il_device, 0);
ignorelist_set_invert (il_mountpoint, 0);
}
return (0);
}
+ else if (strcasecmp (key, "ReportByDevice") == 0)
+ {
+ if (IS_TRUE (value))
+ by_device = true;
+
+ return (0);
+ }
return (-1);
}
static void df_submit (char *df_name,
+ const char *type,
gauge_t df_used,
gauge_t df_free)
{
vl.values = values;
vl.values_len = 2;
- vl.time = time (NULL);
- strcpy (vl.host, hostname_g);
- strcpy (vl.plugin, "df");
- strcpy (vl.plugin_instance, "");
- strncpy (vl.type_instance, df_name, sizeof (vl.type_instance));
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "df", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, type, sizeof (vl.host));
+ sstrncpy (vl.type_instance, df_name, sizeof (vl.type_instance));
- plugin_dispatch_values ("df", &vl);
+ plugin_dispatch_values (&vl);
} /* void df_submit */
static int df_read (void)
unsigned long long blocksize;
gauge_t df_free;
gauge_t df_used;
- char mnt_name[256];
+ gauge_t df_inodes_free;
+ gauge_t df_inodes_used;
+ char disk_name[256];
mnt_list = NULL;
if (cu_mount_getlist (&mnt_list) == NULL)
for (mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
{
+ if (ignorelist_match (il_device,
+ (mnt_ptr->spec_device != NULL)
+ ? mnt_ptr->spec_device
+ : mnt_ptr->device))
+ continue;
+ if (ignorelist_match (il_mountpoint, mnt_ptr->dir))
+ continue;
+ if (ignorelist_match (il_fstype, mnt_ptr->type))
+ continue;
+
if (STATANYFS (mnt_ptr->dir, &statbuf) < 0)
{
char errbuf[1024];
df_free = statbuf.f_bfree * blocksize;
df_used = (statbuf.f_blocks - statbuf.f_bfree) * blocksize;
- if (strcmp (mnt_ptr->dir, "/") == 0)
+ df_inodes_used = statbuf.f_files - statbuf.f_ffree;
+ df_inodes_free = statbuf.f_ffree;
+
+ if (by_device)
{
- strncpy (mnt_name, "root", sizeof (mnt_name));
- }
- else
+ /* eg, /dev/hda1 -- strip off the "/dev/" */
+ if (strncmp (mnt_ptr->spec_device, "/dev/", strlen ("/dev/")) == 0)
+ sstrncpy (disk_name, mnt_ptr->spec_device + strlen ("/dev/"), sizeof (disk_name));
+ else
+ sstrncpy (disk_name, mnt_ptr->spec_device, sizeof (disk_name));
+
+ if (strlen(disk_name) < 1)
+ {
+ DEBUG("df: no device name name for mountpoint %s, skipping", mnt_ptr->dir);
+ continue;
+ }
+ }
+ else
{
- int i, len;
-
- strncpy (mnt_name, mnt_ptr->dir + 1, sizeof (mnt_name));
- len = strlen (mnt_name);
-
- for (i = 0; i < len; i++)
- if (mnt_name[i] == '/')
- mnt_name[i] = '-';
+ if (strcmp (mnt_ptr->dir, "/") == 0)
+ {
+ sstrncpy (disk_name, "root", sizeof (disk_name));
+ }
+ else
+ {
+ int i, len;
+
+ sstrncpy (disk_name, mnt_ptr->dir + 1, sizeof (disk_name));
+ len = strlen (disk_name);
+
+ for (i = 0; i < len; i++)
+ if (disk_name[i] == '/')
+ disk_name[i] = '-';
+ }
}
- if (ignorelist_match (il_device,
- (mnt_ptr->spec_device != NULL)
- ? mnt_ptr->spec_device
- : mnt_ptr->device))
- continue;
- if (ignorelist_match (il_mountpoint, mnt_ptr->dir))
- continue;
- if (ignorelist_match (il_fstype, mnt_ptr->type))
- continue;
-
- df_submit (mnt_name, df_used, df_free);
+ df_submit (disk_name, "df", df_used, df_free);
+ df_submit (disk_name, "df_inodes", df_inodes_used, df_inodes_free);
}
cu_mount_freelist (mnt_list);
return (0);
} /* int df_read */
-#endif /* DF_HAVE_READ */
void module_register (void)
{
-#if DF_HAVE_READ
plugin_register_config ("df", df_config,
config_keys, config_keys_num);
plugin_register_init ("df", df_init);
plugin_register_read ("df", df_read);
-#endif
} /* void module_register */
projects / collectd.git / blobdiff