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diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index 485ae82260701bdccaa2b8db73d82fa50241f65d..a7dd5cce02e331e27c82c61f5c1e29f1dabdcb0e 100644 (file)
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
Print version information\n";
#include "common.h"
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#include <assert.h>
#include "popen.h"
#include "utils.h"
#include <stdarg.h>
+#include "../lib/fsusage.h"
+#include "../lib/mountlist.h"
+
+/* If nonzero, show inode information. */
+static int inode_format;
+
+/* If nonzero, show even filesystems with zero size or
+ uninteresting types. */
+static int show_all_fs;
+
+/* If nonzero, show only local filesystems. */
+static int show_local_fs;
+
+/* If nonzero, output data for each filesystem corresponding to a
+ command line argument -- even if it's a dummy (automounter) entry. */
+static int show_listed_fs;
+
+/* If positive, the units to use when printing sizes;
+ if negative, the human-readable base. */
+static int output_block_size;
+
+/* If nonzero, invoke the `sync' system call before getting any usage data.
+ Using this option can make df very slow, especially with many or very
+ busy disks. Note that this may make a difference on some systems --
+ SunOs4.1.3, for one. It is *not* necessary on Linux. */
+static int require_sync = 0;
+
+/* A filesystem type to display. */
+
+struct name_list
+{
+ char *name;
+ struct name_list *name_next;
+};
+
+/* Linked list of filesystem types to display.
+ If `fs_select_list' is NULL, list all types.
+ This table is generated dynamically from command-line options,
+ rather than hardcoding into the program what it thinks are the
+ valid filesystem types; let the user specify any filesystem type
+ they want to, and if there are any filesystems of that type, they
+ will be shown.
+
+ Some filesystem types:
+ 4.2 4.3 ufs nfs swap ignore io vm efs dbg */
+
+static struct name_list *fs_select_list;
+
+/* Linked list of filesystem types to omit.
+ If the list is empty, don't exclude any types. */
+
+static struct name_list *fs_exclude_list;
+
+static struct name_list *dp_exclude_list;
+
+static struct name_list *path_select_list;
+
+static struct name_list *dev_select_list;
+
+/* Linked list of mounted filesystems. */
+static struct mount_entry *mount_list;
+
+/* For long options that have no equivalent short option, use a
+ non-character as a pseudo short option, starting with CHAR_MAX + 1. */
+enum
+{
+ SYNC_OPTION = CHAR_MAX + 1,
+ NO_SYNC_OPTION,
+ BLOCK_SIZE_OPTION
+};
#ifdef _AIX
#pragma alloca
#endif
-#if HAVE_INTTYPES_H
-# include <inttypes.h>
-#endif
-
int process_arguments (int, char **);
int validate_arguments (void);
int check_disk (int usp, int free_disk);
+int walk_name_list (struct name_list *list, const char *name);
void print_help (void);
void print_usage (void);
int erronly = FALSE;
int display_mntp = FALSE;
+/* Linked list of mounted filesystems. */
+static struct mount_entry *mount_list;
int
main (int argc, char **argv)
char file_system[MAX_INPUT_BUFFER];
char mntp[MAX_INPUT_BUFFER];
char *output = "";
+ char *details = "";
-#ifdef HAVE_STRUCT_STATFS
-#ifdef HAVE_SYS_VFS_H
-#include <sys/vfs.h>
-#else
-#include <sys/param.h>
-#include <sys/mount.h>
-#endif
- struct statfs buf;
-#endif
+ struct mount_entry *me;
+ struct fs_usage fsp;
+ char *disk;
+
+ mount_list = read_filesystem_list (0);
if (process_arguments (argc, argv) != OK)
usage ("Could not parse arguments\n");
-#ifdef HAVE_STRUCT_STATFS
-
- if (statfs (path, &buf) == -1) {
- switch (errno)
- {
-#ifdef ENOTDIR
- case ENOTDIR:
- terminate (STATE_UNKNOWN, "A component of the path prefix is not a directory.\n");
-#endif
-#ifdef ENAMETOOLONG
- case ENAMETOOLONG:
- terminate (STATE_UNKNOWN, "path is too long.\n");
-#endif
-#ifdef ENOENT
- case ENOENT:
- terminate (STATE_UNKNOWN, "The file referred to by path does not exist.\n");
-#endif
-#ifdef EACCES
- case EACCES:
- terminate (STATE_UNKNOWN, "Search permission is denied for a component of the path prefix of path.\n");
-#endif
-#ifdef ELOOP
- case ELOOP:
- terminate (STATE_UNKNOWN, "Too many symbolic links were encountered in translating path.\n");
-#endif
-#ifdef EFAULT
- case EFAULT:
- terminate (STATE_UNKNOWN, "Buf or path points to an invalid address.\n");
-#endif
-#ifdef EIO
- case EIO:
- terminate (STATE_UNKNOWN, "An I/O error occurred while reading from or writing to the file system.\n");
-#endif
-#ifdef ENOMEM
- case ENOMEM:
- terminate (STATE_UNKNOWN, "Insufficient kernel memory was available.\n");
-#endif
-#ifdef ENOSYS
- case ENOSYS:
- terminate (STATE_UNKNOWN, "The filesystem path is on does not support statfs.\n");
-#endif
- }
- }
-
- usp = (buf.f_blocks - buf.f_bavail) / buf.f_blocks;
- disk_result = check_disk (usp, buf.f_bavail);
- result = disk_result;
- asprintf (&output, "%ld of %ld kB free (%ld-byte blocks)",
- buf.f_bavail*buf.f_bsize/1024, buf.f_blocks*buf.f_bsize/1024, buf.f_bsize);
-
-#else
+ for (me = mount_list; me; me = me->me_next) {
- asprintf (&command_line, "%s %s", DF_COMMAND, path);
-
- if (verbose>0)
- printf ("%s ==> ", command_line);
-
- child_process = spopen (command_line);
- if (child_process == NULL) {
- printf ("Could not open pipe: %s\n", command_line);
- return STATE_UNKNOWN;
- }
-
- child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
- if (child_stderr == NULL) {
- printf ("Could not open stderr for %s\n", command_line);
- }
-
- while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
-
- if (!index (input_buffer, '/'))
+ if ((dev_select_list &&
+ walk_name_list (dev_select_list, me->me_devname)) ||
+ (path_select_list &&
+ walk_name_list (path_select_list, me->me_mountdir)))
+ get_fs_usage (me->me_mountdir, me->me_devname, &fsp);
+ else if (dev_select_list || path_select_list)
continue;
-
- /* Fixes AIX /proc fs which lists - for size values */
- if (strstr (input_buffer, "/proc ") == input_buffer)
+ else if (fs_exclude_list && walk_name_list (fs_exclude_list, me->me_type))
continue;
+ else if (dp_exclude_list &&
+ walk_name_list (dp_exclude_list, me->me_devname) ||
+ walk_name_list (dp_exclude_list, me->me_mountdir))
+ continue;
+ else
+ get_fs_usage (me->me_mountdir, me->me_devname, &fsp);
- if (sscanf (input_buffer, "%s %d %d %d %d%% %s", file_system,
- &total_disk, &used_disk, &free_disk, &usp, mntp) == 6 ||
- sscanf (input_buffer, "%s %*s %d %d %d %d%% %s", file_system,
- &total_disk, &used_disk, &free_disk, &usp, mntp) == 6) {
-
- if (strcmp(exclude_device,file_system) == 0 ||
- strcmp(exclude_device,mntp) == 0) {
- if (verbose>0)
- printf ("ignoring %s.", file_system);
- continue;
- }
-
- disk_result = check_disk (usp, free_disk);
-
- if (strcmp (file_system, "none") == 0)
- strncpy (file_system, mntp, MAX_INPUT_BUFFER-1);
-
+ if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
+ usp = (fsp.fsu_blocks - fsp.fsu_bavail) * 100 / fsp.fsu_blocks;
+ disk_result = check_disk (usp, fsp.fsu_bavail);
+ result = max_state (disk_result, result);
if (disk_result==STATE_OK && erronly && !verbose)
continue;
if (disk_result!=STATE_OK || verbose>=0)
- asprintf (&output, "%s [%d kB (%d%%) free on %s]", output,
- free_disk, 100 - usp, display_mntp ? mntp : file_system);
-
- result = max_state (result, disk_result);
- }
-
- else {
- printf ("Unable to read output:\n%s\n%s\n", command_line, input_buffer);
- return result;
+ asprintf (&output, "%s [%llu MB (%2.0f%%) free on %s]",
+ output,
+ fsp.fsu_bavail*fsp.fsu_blocksize/1024/1024,
+ (double)fsp.fsu_bavail*100/fsp.fsu_blocks,
+ (!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir);
+ asprintf (&details, "%s\n%llu of %llu MB (%2.0f%%) free on %s (type %s mounted on %s)",
+ details,
+ fsp.fsu_bavail*fsp.fsu_blocksize/1024/1024,
+ fsp.fsu_blocks*fsp.fsu_blocksize/1024/1024,
+ (double)fsp.fsu_bavail*100/fsp.fsu_blocks,
+ me->me_devname,
+ me->me_type,
+ me->me_mountdir);
}
}
- /* If we get anything on stderr, at least set warning */
- while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
- if (result != STATE_CRITICAL) {
- result = STATE_WARNING;
- }
- }
-
- /* close stderr */
- if (child_stderr)
- (void) fclose (child_stderr);
+ if (verbose > 2)
+ asprintf (&output, "%s%s", output, details);
- /* close the pipe */
- if (spclose(child_process)!=0 && result!=STATE_CRITICAL)
- result = STATE_WARNING;
-
- if (usp < 0)
- terminate (result, "Disk \"%s\" not mounted or nonexistant\n", path);
- else if (result == STATE_UNKNOWN)
- terminate (result, "Unable to read output\n%s\n%s\n", command_line, input_buffer);
+ terminate (result, "DISK %s%s\n", state_text (result), output, details);
+}
-#endif
- terminate (result, "DISK %s %s\n", state_text (result), output);
-}
+\f
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{
int c;
+ struct name_list *se;
+ struct name_list **pathtail = &path_select_list;
+ struct name_list **devtail = &dev_select_list;
+ struct name_list **fstail = &fs_exclude_list;
+ struct name_list **dptail = &dp_exclude_list;
int option_index = 0;
static struct option long_options[] = {
{"errors-only", no_argument, 0, 'e'},
{"help", no_argument, 0, 'h'},
{"mountpoint", no_argument, 0, 'm'},
+ {"device", no_argument, 0, 'd'},
{"exclude_device", required_argument, 0, 'x'},
{"quiet", no_argument, 0, 'q'},
strcpy (argv[c], "-t");
while (1) {
- c = getopt_long (argc, argv, "+?Vqhvet:c:w:p:x:m", long_options, &option_index);
+ c = getopt_long (argc, argv, "+?Vqhvet:c:w:p:d:x:X:m", long_options, &option_index);
if (c == -1 || c == EOF)
break;
else {
usage ("Timeout Interval must be an integer!\n");
}
- case 'p': /* path or partition */
- path = optarg;
+ case 'p': /* selec path */
+ se = (struct name_list *) malloc (sizeof (struct name_list));
+ se->name = strdup (optarg);
+ se->name_next = NULL;
+ *pathtail = se;
+ pathtail = &se->name_next;
+ break;
+ case 'd': /* select partition/device */
+ se = (struct name_list *) malloc (sizeof (struct name_list));
+ se->name = strdup (optarg);
+ se->name_next = NULL;
+ *devtail = se;
+ devtail = &se->name_next;
+ break;
+ case 'x': /* exclude path or partition */
+ se = (struct name_list *) malloc (sizeof (struct name_list));
+ se->name = strdup (optarg);
+ se->name_next = NULL;
+ *dptail = se;
+ dptail = &se->name_next;
+ break;
+ break;
+ case 'X': /* exclude file system type */
+ se = (struct name_list *) malloc (sizeof (struct name_list));
+ se->name = strdup (optarg);
+ se->name_next = NULL;
+ *fstail = se;
+ fstail = &se->name_next;
break;
case 'v': /* verbose */
verbose++;
case 'm': /* display mountpoint */
display_mntp = TRUE;
break;
- case 'x': /* exclude path or partition */
- exclude_device = optarg;
- break;
case 'V': /* version */
print_revision (progname, revision);
exit (STATE_OK);
return validate_arguments ();
}
+
+
int
validate_arguments ()
{
}
}
+
+
+\f
int
-check_disk (usp, free_disk)
+check_disk (int usp, int free_disk)
{
int result = STATE_UNKNOWN;
/* check the percent used space against thresholds */
return result;
}
+
+
+int
+walk_name_list (struct name_list *list, const char *name)
+{
+ while (list) {
+ if (! strcmp(list->name, name))
+ return TRUE;
+ list = list->name_next;
+ }
+ return FALSE;
+}
+
+
+
+\f
void
print_help (void)
{