#include "common.h"
#include "plugin.h"
-#include "utils_mount.h"
#include "utils_ignorelist.h"
+#include "utils_mount.h"
#if HAVE_STATVFS
-# if HAVE_SYS_STATVFS_H
-# include <sys/statvfs.h>
-# endif
-# define STATANYFS statvfs
-# define STATANYFS_STR "statvfs"
-# define BLOCKSIZE(s) ((s).f_frsize ? (s).f_frsize : (s).f_bsize)
+#if HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+#define STATANYFS statvfs
+#define STATANYFS_STR "statvfs"
+#define BLOCKSIZE(s) ((s).f_frsize ? (s).f_frsize : (s).f_bsize)
#elif HAVE_STATFS
-# if HAVE_SYS_STATFS_H
-# include <sys/statfs.h>
-# endif
-# define STATANYFS statfs
-# define STATANYFS_STR "statfs"
-# define BLOCKSIZE(s) (s).f_bsize
+#if HAVE_SYS_STATFS_H
+#include <sys/statfs.h>
+#endif
+#define STATANYFS statfs
+#define STATANYFS_STR "statfs"
+#define BLOCKSIZE(s) (s).f_bsize
#else
-# error "No applicable input method."
+#error "No applicable input method."
#endif
-static const char *config_keys[] =
-{
- "Device",
- "MountPoint",
- "FSType",
- "IgnoreSelected",
- "ReportByDevice",
- "ReportInodes",
- "ValuesAbsolute",
- "ValuesPercentage"
-};
-static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+static const char *config_keys[] = {
+ "Device", "MountPoint", "FSType", "IgnoreSelected",
+ "ReportByDevice", "ReportInodes", "ValuesAbsolute", "ValuesPercentage"};
+static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
static ignorelist_t *il_device = NULL;
static ignorelist_t *il_mountpoint = NULL;
static _Bool values_absolute = 1;
static _Bool values_percentage = 0;
-static int df_init (void)
-{
- if (il_device == NULL)
- il_device = ignorelist_create (1);
- if (il_mountpoint == NULL)
- il_mountpoint = ignorelist_create (1);
- if (il_fstype == NULL)
- il_fstype = ignorelist_create (1);
+static int df_init(void) {
+ if (il_device == NULL)
+ il_device = ignorelist_create(1);
+ if (il_mountpoint == NULL)
+ il_mountpoint = ignorelist_create(1);
+ if (il_fstype == NULL)
+ il_fstype = ignorelist_create(1);
- return (0);
+ return (0);
}
-static int df_config (const char *key, const char *value)
-{
- df_init ();
-
- if (strcasecmp (key, "Device") == 0)
- {
- if (ignorelist_add (il_device, value))
- return (1);
- return (0);
- }
- else if (strcasecmp (key, "MountPoint") == 0)
- {
- if (ignorelist_add (il_mountpoint, value))
- return (1);
- return (0);
- }
- else if (strcasecmp (key, "FSType") == 0)
- {
- if (ignorelist_add (il_fstype, value))
- return (1);
- return (0);
- }
- else if (strcasecmp (key, "IgnoreSelected") == 0)
- {
- if (IS_TRUE (value))
- {
- ignorelist_set_invert (il_device, 0);
- ignorelist_set_invert (il_mountpoint, 0);
- ignorelist_set_invert (il_fstype, 0);
- }
- else
- {
- ignorelist_set_invert (il_device, 1);
- ignorelist_set_invert (il_mountpoint, 1);
- ignorelist_set_invert (il_fstype, 1);
- }
- return (0);
- }
- else if (strcasecmp (key, "ReportByDevice") == 0)
- {
- if (IS_TRUE (value))
- by_device = 1;
-
- return (0);
- }
- else if (strcasecmp (key, "ReportInodes") == 0)
- {
- if (IS_TRUE (value))
- report_inodes = 1;
- else
- report_inodes = 0;
-
- return (0);
- }
- else if (strcasecmp (key, "ValuesAbsolute") == 0)
- {
- if (IS_TRUE (value))
- values_absolute = 1;
- else
- values_absolute = 0;
-
- return (0);
- }
- else if (strcasecmp (key, "ValuesPercentage") == 0)
- {
- if (IS_TRUE (value))
- values_percentage = 1;
- else
- values_percentage = 0;
-
- return (0);
- }
-
- return (-1);
+static int df_config(const char *key, const char *value) {
+ df_init();
+
+ if (strcasecmp(key, "Device") == 0) {
+ if (ignorelist_add(il_device, value))
+ return (1);
+ return (0);
+ } else if (strcasecmp(key, "MountPoint") == 0) {
+ if (ignorelist_add(il_mountpoint, value))
+ return (1);
+ return (0);
+ } else if (strcasecmp(key, "FSType") == 0) {
+ if (ignorelist_add(il_fstype, value))
+ return (1);
+ return (0);
+ } else if (strcasecmp(key, "IgnoreSelected") == 0) {
+ if (IS_TRUE(value)) {
+ ignorelist_set_invert(il_device, 0);
+ ignorelist_set_invert(il_mountpoint, 0);
+ ignorelist_set_invert(il_fstype, 0);
+ } else {
+ ignorelist_set_invert(il_device, 1);
+ ignorelist_set_invert(il_mountpoint, 1);
+ ignorelist_set_invert(il_fstype, 1);
+ }
+ return (0);
+ } else if (strcasecmp(key, "ReportByDevice") == 0) {
+ if (IS_TRUE(value))
+ by_device = 1;
+
+ return (0);
+ } else if (strcasecmp(key, "ReportInodes") == 0) {
+ if (IS_TRUE(value))
+ report_inodes = 1;
+ else
+ report_inodes = 0;
+
+ return (0);
+ } else if (strcasecmp(key, "ValuesAbsolute") == 0) {
+ if (IS_TRUE(value))
+ values_absolute = 1;
+ else
+ values_absolute = 0;
+
+ return (0);
+ } else if (strcasecmp(key, "ValuesPercentage") == 0) {
+ if (IS_TRUE(value))
+ values_percentage = 1;
+ else
+ values_percentage = 0;
+
+ return (0);
+ }
+
+ return (-1);
}
-__attribute__ ((nonnull(2)))
-static void df_submit_one (char *plugin_instance,
- const char *type, const char *type_instance,
- gauge_t value)
-{
- value_list_t vl = VALUE_LIST_INIT;
-
- vl.values = &(value_t) { .gauge = value };
- vl.values_len = 1;
- sstrncpy (vl.plugin, "df", sizeof (vl.plugin));
- if (plugin_instance != NULL)
- sstrncpy (vl.plugin_instance, plugin_instance,
- sizeof (vl.plugin_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
- if (type_instance != NULL)
- sstrncpy (vl.type_instance, type_instance,
- sizeof (vl.type_instance));
-
- plugin_dispatch_values (&vl);
+__attribute__((nonnull(2))) static void df_submit_one(char *plugin_instance,
+ const char *type,
+ const char *type_instance,
+ gauge_t value) {
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = &(value_t){.gauge = value};
+ vl.values_len = 1;
+ sstrncpy(vl.plugin, "df", sizeof(vl.plugin));
+ if (plugin_instance != NULL)
+ sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, type, sizeof(vl.type));
+ if (type_instance != NULL)
+ sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
+
+ plugin_dispatch_values(&vl);
} /* void df_submit_one */
-static int df_read (void)
-{
+static int df_read(void) {
#if HAVE_STATVFS
- struct statvfs statbuf;
+ struct statvfs statbuf;
#elif HAVE_STATFS
- struct statfs statbuf;
+ struct statfs statbuf;
#endif
- /* struct STATANYFS statbuf; */
- cu_mount_t *mnt_list;
-
- mnt_list = NULL;
- if (cu_mount_getlist (&mnt_list) == NULL)
- {
- ERROR ("df plugin: cu_mount_getlist failed.");
- return (-1);
- }
-
- for (cu_mount_t *mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
- {
- unsigned long long blocksize;
- char disk_name[256];
- cu_mount_t *dup_ptr;
- uint64_t blk_free;
- uint64_t blk_reserved;
- uint64_t blk_used;
-
- char const *dev = (mnt_ptr->spec_device != NULL)
- ? mnt_ptr->spec_device
- : mnt_ptr->device;
-
- if (ignorelist_match (il_device, dev))
- continue;
- if (ignorelist_match (il_mountpoint, mnt_ptr->dir))
- continue;
- if (ignorelist_match (il_fstype, mnt_ptr->type))
- continue;
-
- /* search for duplicates *in front of* the current mnt_ptr. */
- for (dup_ptr = mnt_list; dup_ptr != NULL; dup_ptr = dup_ptr->next)
- {
- /* No duplicate found: mnt_ptr is the first of its kind. */
- if (dup_ptr == mnt_ptr)
- {
- dup_ptr = NULL;
- break;
- }
-
- /* Duplicate found: leave non-NULL dup_ptr. */
- if (by_device
- && (mnt_ptr->spec_device != NULL)
- && (dup_ptr->spec_device != NULL)
- && (strcmp (mnt_ptr->spec_device, dup_ptr->spec_device) == 0))
- break;
- else if (!by_device && (strcmp (mnt_ptr->dir, dup_ptr->dir) == 0))
- break;
- }
-
- /* ignore duplicates */
- if (dup_ptr != NULL)
- continue;
-
- if (STATANYFS (mnt_ptr->dir, &statbuf) < 0)
- {
- char errbuf[1024];
- ERROR (STATANYFS_STR"(%s) failed: %s",
- mnt_ptr->dir,
- sstrerror (errno, errbuf,
- sizeof (errbuf)));
- continue;
- }
-
- if (!statbuf.f_blocks)
- continue;
-
- if (by_device)
- {
- /* eg, /dev/hda1 -- strip off the "/dev/" */
- if (strncmp (dev, "/dev/", strlen ("/dev/")) == 0)
- sstrncpy (disk_name, dev + strlen ("/dev/"), sizeof (disk_name));
- else
- sstrncpy (disk_name, dev, sizeof (disk_name));
-
- if (strlen(disk_name) < 1)
- {
- DEBUG("df: no device name for mountpoint %s, skipping", mnt_ptr->dir);
- continue;
- }
- }
- else
- {
- if (strcmp (mnt_ptr->dir, "/") == 0)
- sstrncpy (disk_name, "root", sizeof (disk_name));
- else
- {
- int len;
-
- sstrncpy (disk_name, mnt_ptr->dir + 1, sizeof (disk_name));
- len = strlen (disk_name);
-
- for (int i = 0; i < len; i++)
- if (disk_name[i] == '/')
- disk_name[i] = '-';
- }
- }
-
- blocksize = BLOCKSIZE(statbuf);
-
- /*
- * Sanity-check for the values in the struct
- */
- /* Check for negative "available" byes. For example UFS can
- * report negative free space for user. Notice. blk_reserved
- * will start to diminish after this. */
+ /* struct STATANYFS statbuf; */
+ cu_mount_t *mnt_list;
+
+ mnt_list = NULL;
+ if (cu_mount_getlist(&mnt_list) == NULL) {
+ ERROR("df plugin: cu_mount_getlist failed.");
+ return (-1);
+ }
+
+ for (cu_mount_t *mnt_ptr = mnt_list; mnt_ptr != NULL;
+ mnt_ptr = mnt_ptr->next) {
+ unsigned long long blocksize;
+ char disk_name[256];
+ cu_mount_t *dup_ptr;
+ uint64_t blk_free;
+ uint64_t blk_reserved;
+ uint64_t blk_used;
+
+ char const *dev =
+ (mnt_ptr->spec_device != NULL) ? mnt_ptr->spec_device : mnt_ptr->device;
+
+ if (ignorelist_match(il_device, dev))
+ continue;
+ if (ignorelist_match(il_mountpoint, mnt_ptr->dir))
+ continue;
+ if (ignorelist_match(il_fstype, mnt_ptr->type))
+ continue;
+
+ /* search for duplicates *in front of* the current mnt_ptr. */
+ for (dup_ptr = mnt_list; dup_ptr != NULL; dup_ptr = dup_ptr->next) {
+ /* No duplicate found: mnt_ptr is the first of its kind. */
+ if (dup_ptr == mnt_ptr) {
+ dup_ptr = NULL;
+ break;
+ }
+
+ /* Duplicate found: leave non-NULL dup_ptr. */
+ if (by_device && (mnt_ptr->spec_device != NULL) &&
+ (dup_ptr->spec_device != NULL) &&
+ (strcmp(mnt_ptr->spec_device, dup_ptr->spec_device) == 0))
+ break;
+ else if (!by_device && (strcmp(mnt_ptr->dir, dup_ptr->dir) == 0))
+ break;
+ }
+
+ /* ignore duplicates */
+ if (dup_ptr != NULL)
+ continue;
+
+ if (STATANYFS(mnt_ptr->dir, &statbuf) < 0) {
+ char errbuf[1024];
+ ERROR(STATANYFS_STR "(%s) failed: %s", mnt_ptr->dir,
+ sstrerror(errno, errbuf, sizeof(errbuf)));
+ continue;
+ }
+
+ if (!statbuf.f_blocks)
+ continue;
+
+ if (by_device) {
+ /* eg, /dev/hda1 -- strip off the "/dev/" */
+ if (strncmp(dev, "/dev/", strlen("/dev/")) == 0)
+ sstrncpy(disk_name, dev + strlen("/dev/"), sizeof(disk_name));
+ else
+ sstrncpy(disk_name, dev, sizeof(disk_name));
+
+ if (strlen(disk_name) < 1) {
+ DEBUG("df: no device name for mountpoint %s, skipping", mnt_ptr->dir);
+ continue;
+ }
+ } else {
+ if (strcmp(mnt_ptr->dir, "/") == 0)
+ sstrncpy(disk_name, "root", sizeof(disk_name));
+ else {
+ int len;
+
+ sstrncpy(disk_name, mnt_ptr->dir + 1, sizeof(disk_name));
+ len = strlen(disk_name);
+
+ for (int i = 0; i < len; i++)
+ if (disk_name[i] == '/')
+ disk_name[i] = '-';
+ }
+ }
+
+ blocksize = BLOCKSIZE(statbuf);
+
+/*
+ * Sanity-check for the values in the struct
+ */
+/* Check for negative "available" byes. For example UFS can
+ * report negative free space for user. Notice. blk_reserved
+ * will start to diminish after this. */
#if HAVE_STATVFS
- /* Cast and temporary variable are needed to avoid
- * compiler warnings.
- * ((struct statvfs).f_bavail is unsigned (POSIX)) */
- int64_t signed_bavail = (int64_t) statbuf.f_bavail;
- if (signed_bavail < 0)
- statbuf.f_bavail = 0;
+ /* Cast and temporary variable are needed to avoid
+ * compiler warnings.
+ * ((struct statvfs).f_bavail is unsigned (POSIX)) */
+ int64_t signed_bavail = (int64_t)statbuf.f_bavail;
+ if (signed_bavail < 0)
+ statbuf.f_bavail = 0;
#elif HAVE_STATFS
- if (statbuf.f_bavail < 0)
- statbuf.f_bavail = 0;
+ if (statbuf.f_bavail < 0)
+ statbuf.f_bavail = 0;
#endif
- /* Make sure that f_blocks >= f_bfree >= f_bavail */
- if (statbuf.f_bfree < statbuf.f_bavail)
- statbuf.f_bfree = statbuf.f_bavail;
- if (statbuf.f_blocks < statbuf.f_bfree)
- statbuf.f_blocks = statbuf.f_bfree;
-
- blk_free = (uint64_t) statbuf.f_bavail;
- blk_reserved = (uint64_t) (statbuf.f_bfree - statbuf.f_bavail);
- blk_used = (uint64_t) (statbuf.f_blocks - statbuf.f_bfree);
-
- if (values_absolute)
- {
- df_submit_one (disk_name, "df_complex", "free",
- (gauge_t) (blk_free * blocksize));
- df_submit_one (disk_name, "df_complex", "reserved",
- (gauge_t) (blk_reserved * blocksize));
- df_submit_one (disk_name, "df_complex", "used",
- (gauge_t) (blk_used * blocksize));
- }
-
- if (values_percentage)
- {
- if (statbuf.f_blocks > 0)
- {
- df_submit_one (disk_name, "percent_bytes", "free",
- (gauge_t) ((float_t)(blk_free) / statbuf.f_blocks * 100));
- df_submit_one (disk_name, "percent_bytes", "reserved",
- (gauge_t) ((float_t)(blk_reserved) / statbuf.f_blocks * 100));
- df_submit_one (disk_name, "percent_bytes", "used",
- (gauge_t) ((float_t)(blk_used) / statbuf.f_blocks * 100));
- }
- else return (-1);
- }
-
- /* inode handling */
- if (report_inodes && statbuf.f_files != 0 && statbuf.f_ffree != 0)
- {
- uint64_t inode_free;
- uint64_t inode_reserved;
- uint64_t inode_used;
-
- /* Sanity-check for the values in the struct */
- if (statbuf.f_ffree < statbuf.f_favail)
- statbuf.f_ffree = statbuf.f_favail;
- if (statbuf.f_files < statbuf.f_ffree)
- statbuf.f_files = statbuf.f_ffree;
-
- inode_free = (uint64_t) statbuf.f_favail;
- inode_reserved = (uint64_t) (statbuf.f_ffree - statbuf.f_favail);
- inode_used = (uint64_t) (statbuf.f_files - statbuf.f_ffree);
-
- if (values_percentage)
- {
- if (statbuf.f_files > 0)
- {
- df_submit_one (disk_name, "percent_inodes", "free",
- (gauge_t) ((float_t)(inode_free) / statbuf.f_files * 100));
- df_submit_one (disk_name, "percent_inodes", "reserved",
- (gauge_t) ((float_t)(inode_reserved) / statbuf.f_files * 100));
- df_submit_one (disk_name, "percent_inodes", "used",
- (gauge_t) ((float_t)(inode_used) / statbuf.f_files * 100));
- }
- else return (-1);
- }
- if (values_absolute)
- {
- df_submit_one (disk_name, "df_inodes", "free",
- (gauge_t) inode_free);
- df_submit_one (disk_name, "df_inodes", "reserved",
- (gauge_t) inode_reserved);
- df_submit_one (disk_name, "df_inodes", "used",
- (gauge_t) inode_used);
- }
- }
- }
-
- cu_mount_freelist (mnt_list);
-
- return (0);
+ /* Make sure that f_blocks >= f_bfree >= f_bavail */
+ if (statbuf.f_bfree < statbuf.f_bavail)
+ statbuf.f_bfree = statbuf.f_bavail;
+ if (statbuf.f_blocks < statbuf.f_bfree)
+ statbuf.f_blocks = statbuf.f_bfree;
+
+ blk_free = (uint64_t)statbuf.f_bavail;
+ blk_reserved = (uint64_t)(statbuf.f_bfree - statbuf.f_bavail);
+ blk_used = (uint64_t)(statbuf.f_blocks - statbuf.f_bfree);
+
+ if (values_absolute) {
+ df_submit_one(disk_name, "df_complex", "free",
+ (gauge_t)(blk_free * blocksize));
+ df_submit_one(disk_name, "df_complex", "reserved",
+ (gauge_t)(blk_reserved * blocksize));
+ df_submit_one(disk_name, "df_complex", "used",
+ (gauge_t)(blk_used * blocksize));
+ }
+
+ if (values_percentage) {
+ if (statbuf.f_blocks > 0) {
+ df_submit_one(disk_name, "percent_bytes", "free",
+ (gauge_t)((float_t)(blk_free) / statbuf.f_blocks * 100));
+ df_submit_one(
+ disk_name, "percent_bytes", "reserved",
+ (gauge_t)((float_t)(blk_reserved) / statbuf.f_blocks * 100));
+ df_submit_one(disk_name, "percent_bytes", "used",
+ (gauge_t)((float_t)(blk_used) / statbuf.f_blocks * 100));
+ } else
+ return (-1);
+ }
+
+ /* inode handling */
+ if (report_inodes && statbuf.f_files != 0 && statbuf.f_ffree != 0) {
+ uint64_t inode_free;
+ uint64_t inode_reserved;
+ uint64_t inode_used;
+
+ /* Sanity-check for the values in the struct */
+ if (statbuf.f_ffree < statbuf.f_favail)
+ statbuf.f_ffree = statbuf.f_favail;
+ if (statbuf.f_files < statbuf.f_ffree)
+ statbuf.f_files = statbuf.f_ffree;
+
+ inode_free = (uint64_t)statbuf.f_favail;
+ inode_reserved = (uint64_t)(statbuf.f_ffree - statbuf.f_favail);
+ inode_used = (uint64_t)(statbuf.f_files - statbuf.f_ffree);
+
+ if (values_percentage) {
+ if (statbuf.f_files > 0) {
+ df_submit_one(
+ disk_name, "percent_inodes", "free",
+ (gauge_t)((float_t)(inode_free) / statbuf.f_files * 100));
+ df_submit_one(
+ disk_name, "percent_inodes", "reserved",
+ (gauge_t)((float_t)(inode_reserved) / statbuf.f_files * 100));
+ df_submit_one(
+ disk_name, "percent_inodes", "used",
+ (gauge_t)((float_t)(inode_used) / statbuf.f_files * 100));
+ } else
+ return (-1);
+ }
+ if (values_absolute) {
+ df_submit_one(disk_name, "df_inodes", "free", (gauge_t)inode_free);
+ df_submit_one(disk_name, "df_inodes", "reserved",
+ (gauge_t)inode_reserved);
+ df_submit_one(disk_name, "df_inodes", "used", (gauge_t)inode_used);
+ }
+ }
+ }
+
+ cu_mount_freelist(mnt_list);
+
+ return (0);
} /* int df_read */
-void module_register (void)
-{
- plugin_register_config ("df", df_config,
- config_keys, config_keys_num);
- plugin_register_init ("df", df_init);
- plugin_register_read ("df", df_read);
+void module_register(void) {
+ plugin_register_config("df", df_config, config_keys, config_keys_num);
+ plugin_register_init("df", df_init);
+ plugin_register_read("df", df_read);
} /* void module_register */
projects / collectd.git / blobdiff