diff --git a/plugins/check_swap.c b/plugins/check_swap.c
index 65cd899c65915b97d683a8ef173c92a04103f782..3bf7d432c9f63839bdcde92cd759c833fdcbea00 100644 (file)
--- a/plugins/check_swap.c
+++ b/plugins/check_swap.c
const char *copyright = "2000-2003";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
-int check_swap (int usp, int free_swap);
+int check_swap (int usp, long unsigned int free_swap);
int process_arguments (int argc, char **argv);
int validate_arguments (void);
void print_usage (void);
void print_help (void);
-int warn_percent = 200;
-int crit_percent = 200;
+int warn_percent = 0;
+int crit_percent = 0;
long unsigned int warn_size = 0;
long unsigned int crit_size = 0;
int verbose;
int allswaps;
-#if !defined(sun)
-int sun = 0; /* defined by compiler if it is a sun solaris system */
-#endif
-
-void
-print_usage (void)
-{
- printf (_("Usage:\n\
- %s [-a] -w <used_percentage>%% -c <used_percentage>%%\n\
- %s [-a] -w <bytes_free> -c <bytes_free>\n\
- %s (-h | --help) for detailed help\n\
- %s (-V | --version) for version information\n"),
- progname, progname, progname, progname);
-}
-
-
-
-
-
-void
-print_help (void)
-{
- print_revision (progname, revision);
-
- printf (_(COPYRIGHT), copyright, email);
-
- printf (_("Check swap space on local server.\n\n"));
-
- print_usage ();
-
- printf (_(UT_HELP_VRSN));
-
- printf (_("\n\
- -w, --warning=INTEGER\n\
- Exit with WARNING status if less than INTEGER bytes of swap space are free\n\
- -w, --warning=PERCENT%%\n\
- Exit with WARNING status if less than PERCENT of swap space has been used\n\
- -c, --critical=INTEGER\n\
- Exit with CRITICAL status if less than INTEGER bytes of swap space are free\n\
- -c, --critical=PERCENT%%\n\
- Exit with CRITCAL status if less than PERCENT of swap space has been used\n\
- -a, --allswaps\n\
- Conduct comparisons for all swap partitions, one by one\n"));
-
-#ifdef sun
- printf (_("\n\
-On Solaris, if -a specified, uses swap -l, otherwise uses swap -s.\n\
-Will be discrepencies because swap -s counts allocated swap and includes\n\
-real memory\n"));
-#endif
-
- support ();
-}
-\f
-
-
int
main (int argc, char **argv)
{
long unsigned int dsktotal, dskused, dskfree;
int result = STATE_OK;
char input_buffer[MAX_INPUT_BUFFER];
-#ifdef HAVE_SWAP
+ char *perf;
+#ifdef HAVE_PROC_MEMINFO
+ FILE *fp;
+#else
+# ifdef HAVE_SWAP
int conv_factor; /* Convert to MBs */
char *temp_buffer;
char *swap_command;
char *swap_format;
-#endif
-#ifdef HAVE_PROC_MEMINFO
- FILE *fp;
+# endif
#endif
char str[32];
- char *status = "";
+ char *status;
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
+ status = strdup("");
+ perf = strdup("");
if (process_arguments (argc, argv) != OK)
usage (_("Invalid command arguments supplied\n"));
dsktotal = dsktotal / 1048576;
dskused = dskused / 1048576;
dskfree = dskfree / 1048576;
-#endif
-#ifdef HAVE_SWAP
- if (!allswaps && sun) {
+ total_swap += dsktotal;
+ used_swap += dskused;
+ free_swap += dskfree;
+ if (allswaps) {
+ percent = 100 * (((double) dskused) / ((double) dsktotal));
+ result = max_state (result, check_swap (percent, dskfree));
+ if (verbose)
+ asprintf (&status, "%s [%lu (%d%%)]", status, dskfree, 100 - percent);
+ }
+ }
+ }
+ fclose(fp);
+#else
+# ifdef HAVE_SWAP
+ asprintf(&swap_command, "%s", SWAP_COMMAND);
+ asprintf(&swap_format, "%s", SWAP_FORMAT);
+ conv_factor = SWAP_CONVERSION;
+
+/* These override the command used if a summary (and thus ! allswaps) is required */
+/* The summary flag returns more accurate information about swap usage on these OSes */
+# ifdef _AIX
+ if (!allswaps) {
+ asprintf(&swap_command, "%s", "/usr/sbin/lsps -s");
+ asprintf(&swap_format, "%s", "%d%*s %d");
+ conv_factor = 1;
+ }
+# else
+# ifdef sun
+ if (!allswaps) {
asprintf(&swap_command, "%s", "/usr/sbin/swap -s");
asprintf(&swap_format, "%s", "%*s %*dk %*s %*s + %*dk %*s = %dk %*s %dk %*s");
conv_factor = 2048;
- } else {
- asprintf(&swap_command, "%s", SWAP_COMMAND);
- asprintf(&swap_format, "%s", SWAP_FORMAT);
- conv_factor = SWAP_CONVERSION;
}
+# endif
+# endif
if (verbose >= 2)
printf (_("Command: %s\n"), swap_command);
if (verbose >= 3)
- printf ("_(Format: %s\n"), swap_format);
+ printf (_("Format: %s\n"), swap_format);
child_process = spopen (swap_command);
if (child_process == NULL) {
}
}
- if (!allswaps && sun) {
+/* If different swap command is used for summary switch, need to read format differently */
+# ifdef _AIX
+ if (!allswaps) {
+ fgets(input_buffer, MAX_INPUT_BUFFER - 1, child_process); /* Ignore first line */
+ sscanf (input_buffer, swap_format, &total_swap, &used_swap);
+ free_swap = total_swap * (100 - used_swap) /100;
+ used_swap = total_swap - free_swap;
+ if (verbose >= 3)
+ printf (_("total=%d, used=%d, free=%d\n"), total_swap, used_swap, free_swap);
+ } else {
+# else
+# ifdef sun
+ if (!allswaps) {
sscanf (input_buffer, swap_format, &used_swap, &free_swap);
used_swap = used_swap / 1024;
free_swap = free_swap / 1024;
total_swap = used_swap + free_swap;
} else {
+# endif
+# endif
while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
sscanf (input_buffer, swap_format, &dsktotal, &dskfree);
dsktotal = dsktotal / conv_factor;
+ /* AIX lists percent used, so this converts to dskfree in MBs */
+# ifdef _AIX
+ dskfree = dsktotal * (100 - dskfree) / 100;
+# else
dskfree = dskfree / conv_factor;
+# endif
if (verbose >= 3)
printf (_("total=%d, free=%d\n"), dsktotal, dskfree);
dskused = dsktotal - dskfree;
-#endif
total_swap += dsktotal;
used_swap += dskused;
free_swap += dskfree;
asprintf (&status, "%s [%lu (%d%%)]", status, dskfree, 100 - percent);
}
}
+# ifdef _AIX
}
- percent_used = 100 * ((double) used_swap) / ((double) total_swap);
- result = max_state (result, check_swap (percent_used, free_swap));
- asprintf (&status, _(" %d%% free (%lu MB out of %lu MB)%s"),
- (100 - percent_used), free_swap, total_swap, status);
+# else
+# ifdef sun
+ }
+# endif
+# endif
-#ifdef HAVE_PROC_MEMINFO
- fclose(fp);
-#endif
-#ifdef HAVE_SWAP
/* If we get anything on STDERR, at least set warning */
while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
result = max_state (result, STATE_WARNING);
/* close the pipe */
if (spclose (child_process))
result = max_state (result, STATE_WARNING);
-#endif
+# endif /* HAVE_SWAP */
+#endif /* HAVE_PROC_MEMINFO */
+
+ percent_used = 100 * ((double) used_swap) / ((double) total_swap);
+ result = max_state (result, check_swap (percent_used, free_swap));
+ asprintf (&status, _(" %d%% free (%lu MB out of %lu MB)%s"),
+ (100 - percent_used), free_swap, total_swap, status);
- terminate (result, "SWAP %s:%s\n", state_text (result), status);
+ asprintf (&perf, "%s", perfdata ("swap", free_swap, "MB",
+ TRUE, max (warn_size/1024, warn_percent/100.0*total_swap),
+ TRUE, max (crit_size/1024, crit_percent/100.0*total_swap),
+ TRUE, 0,
+ TRUE, total_swap));
+ die (result, "SWAP %s:%s |%s\n", state_text (result), status, perf);
return STATE_UNKNOWN;
}
\f
int
-check_swap (int usp, int free_swap)
+check_swap (int usp, long unsigned int free_swap)
{
int result = STATE_UNKNOWN;
- if (usp >= 0 && usp >= (100.0 - crit_percent))
+ free_swap = free_swap * 1024; /* Convert back to bytes as warn and crit specified in bytes */
+ if (usp >= 0 && crit_percent != 0 && usp >= (100.0 - crit_percent))
result = STATE_CRITICAL;
- else if (crit_size > 0 && (unsigned)free_swap <= crit_size)
+ else if (crit_size > 0 && free_swap <= crit_size)
result = STATE_CRITICAL;
- else if (usp >= 0 && usp >= (100.0 - warn_percent))
+ else if (usp >= 0 && warn_percent != 0 && usp >= (100.0 - warn_percent))
result = STATE_WARNING;
- else if (warn_size > 0 && (unsigned)free_swap <= warn_size)
+ else if (warn_size > 0 && free_swap <= warn_size)
result = STATE_WARNING;
else if (usp >= 0.0)
result = STATE_OK;
process_arguments (int argc, char **argv)
{
int c = 0; /* option character */
- int wc = 0; /* warning counter */
- int cc = 0; /* critical counter */
- int option_index = 0;
- static struct option long_options[] = {
+ int option = 0;
+ static struct option longopts[] = {
{"warning", required_argument, 0, 'w'},
{"critical", required_argument, 0, 'c'},
{"allswaps", no_argument, 0, 'a'},
return ERROR;
while (1) {
- c = getopt_long (argc, argv, "+?Vvhac:w:", long_options, &option_index);
+ c = getopt_long (argc, argv, "+?Vvhac:w:", longopts, &option);
if (c == -1 || c == EOF)
break;
switch (c) {
- case 'w': /* warning time threshold */
+ case 'w': /* warning size threshold */
if (is_intnonneg (optarg)) {
warn_size = atoi (optarg);
break;
else {
usage (_("Warning threshold must be integer or percentage!\n"));
}
- wc++;
- case 'c': /* critical time threshold */
+ case 'c': /* critical size threshold */
if (is_intnonneg (optarg)) {
crit_size = atoi (optarg);
break;
else {
usage (_("Critical threshold must be integer or percentage!\n"));
}
- cc++;
case 'a': /* all swap */
allswaps = TRUE;
break;
c = optind;
if (c == argc)
return validate_arguments ();
- if (warn_percent > 100 && is_intnonneg (argv[c]))
+ if (warn_percent == 0 && is_intnonneg (argv[c]))
warn_percent = atoi (argv[c++]);
if (c == argc)
return validate_arguments ();
- if (crit_percent > 100 && is_intnonneg (argv[c]))
+ if (crit_percent == 0 && is_intnonneg (argv[c]))
crit_percent = atoi (argv[c++]);
if (c == argc)
int
validate_arguments (void)
{
- if (warn_percent > 100 && crit_percent > 100 && warn_size == 0
+ if (warn_percent == 0 && crit_percent == 0 && warn_size == 0
&& crit_size == 0) {
return ERROR;
}
}
return OK;
}
+
+
+
+
+
+\f
+void
+print_help (void)
+{
+ print_revision (progname, revision);
+
+ printf (_(COPYRIGHT), copyright, email);
+
+ printf (_("Check swap space on local server.\n\n"));
+
+ print_usage ();
+
+ printf (_(UT_HELP_VRSN));
+
+ printf (_("\n\
+ -w, --warning=INTEGER\n\
+ Exit with WARNING status if less than INTEGER bytes of swap space are free\n\
+ -w, --warning=PERCENT%%\n\
+ Exit with WARNING status if less than PERCENT of swap space has been used\n\
+ -c, --critical=INTEGER\n\
+ Exit with CRITICAL status if less than INTEGER bytes of swap space are free\n\
+ -c, --critical=PERCENT%%\n\
+ Exit with CRITCAL status if less than PERCENT of swap space has been used\n\
+ -a, --allswaps\n\
+ Conduct comparisons for all swap partitions, one by one\n"));
+
+ printf (_("\n\
+On Solaris, if -a specified, uses swap -l, otherwise uses swap -s.\n\
+Will be discrepencies because swap -s counts allocated swap and includes\n\
+real memory\n"));
+ printf (_("\n\
+On AIX, if -a is specified, uses lsps -a, otherwise uses lsps -s.\n"));
+
+ printf (_(UT_SUPPORT));
+}
+
+
+
+
+void
+print_usage (void)
+{
+ printf (_("Usage:\n\
+ %s [-a] -w <used_percentage>%% -c <used_percentage>%%\n\
+ %s [-a] -w <bytes_free> -c <bytes_free>\n\
+ %s (-h | --help) for detailed help\n\
+ %s (-V | --version) for version information\n"),
+ progname, progname, progname, progname);
+}