X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_swap.c;h=b92694d90ef923a87b59047a598d2736561d099f;hb=575e82a500d1b097b70883a8e50f4b92451d8270;hp=b213c964fb805d7ad52ce5eeaeaa8ab3de88b459;hpb=0c3386274ef5002dffc20337ef02407f24d7400c;p=nagiosplug.git diff --git a/plugins/check_swap.c b/plugins/check_swap.c index b213c96..b92694d 100644 --- a/plugins/check_swap.c +++ b/plugins/check_swap.c @@ -30,12 +30,11 @@ #include "utils.h" const char *progname = "check_swap"; -#define REVISION "$Revision$" -#define COPYRIGHT "2000-2002" -#define AUTHOR "Karl DeBisschop" -#define EMAIL "kdebisschop@users.sourceforge.net" -#define SUMMARY "Check swap space on local server.\n" +const char *revision = "$Revision$"; +const char *copyright = "2000-2003"; +const char *email = "nagiosplug-devel@lists.sourceforge.net"; +int check_swap (int usp, int free_swap); int process_arguments (int argc, char **argv); int validate_arguments (void); void print_usage (void); @@ -43,20 +42,80 @@ void print_help (void); int warn_percent = 200; int crit_percent = 200; -int warn_size = -1; -int crit_size = -1; +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 %% -c %%\n\ + %s [-a] -w -c \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 (); +} + + + int main (int argc, char **argv) { - int total_swap = 0, used_swap = 0, free_swap = 0, percent_used; - int total, used, free, percent; + int percent_used, percent; + long unsigned int total_swap = 0, used_swap = 0, free_swap = 0; + long unsigned int dsktotal, dskused, dskfree; int result = STATE_OK; char input_buffer[MAX_INPUT_BUFFER]; #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; @@ -65,57 +124,52 @@ main (int argc, char **argv) char *status = ""; if (process_arguments (argc, argv) != OK) - usage ("Invalid command arguments supplied\n"); + usage (_("Invalid command arguments supplied\n")); #ifdef HAVE_PROC_MEMINFO fp = fopen (PROC_MEMINFO, "r"); - asprintf (&status, "%s", "Swap used:"); while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, fp)) { - if (sscanf (input_buffer, " %s %d %d %d", str, &total, &used, &free) == 4 && + if (sscanf (input_buffer, " %s %lu %lu %lu", str, &dsktotal, &dskused, &dskfree) == 4 && strstr (str, "Swap")) { - total_swap += total; - used_swap += used; - free_swap += free; - if (allswaps) { - percent = 100 * (((float) used) / ((float) total)); - if (percent >= crit_percent || free <= crit_size) - result = max_state (STATE_CRITICAL, result); - else if (percent >= warn_percent || free <= warn_size) - result = max_state (STATE_WARNING, result); - if (verbose) - asprintf (&status, "%s [%d/%d]", status, used, total); - } - } - } - percent_used = 100 * (((float) used_swap) / ((float) total_swap)); - if (percent_used >= crit_percent || free_swap <= crit_size) - result = max_state (STATE_CRITICAL, result); - else if (percent_used >= warn_percent || free_swap <= warn_size) - result = max_state (STATE_WARNING, result); - asprintf (&status, "%s %2d%% (%d out of %d)", status, percent_used, - used_swap, total_swap); - fclose (fp); -#else + dsktotal = dsktotal / 1048576; + dskused = dskused / 1048576; + dskfree = dskfree / 1048576; +#endif #ifdef HAVE_SWAP - child_process = spopen (SWAP_COMMAND); + if (!allswaps && sun) { + 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; + } + + if (verbose >= 2) + printf (_("Command: %s\n"), swap_command); + if (verbose >= 3) + printf ("_(Format: %s\n"), swap_format); + + child_process = spopen (swap_command); if (child_process == NULL) { - printf ("Could not open pipe: %s\n", SWAP_COMMAND); + printf (_("Could not open pipe: %s\n"), swap_command); 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", SWAP_COMMAND); + printf (_("Could not open stderr for %s\n"), swap_command); sprintf (str, "%s", ""); /* read 1st line */ fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process); - if (strcmp (SWAP_FORMAT, "") == 0) { + if (strcmp (swap_format, "") == 0) { temp_buffer = strtok (input_buffer, " \n"); while (temp_buffer) { if (strstr (temp_buffer, "blocks")) sprintf (str, "%s %s", str, "%f"); - else if (strstr (temp_buffer, "free")) + else if (strstr (temp_buffer, "dskfree")) sprintf (str, "%s %s", str, "%f"); else sprintf (str, "%s %s", str, "%*s"); @@ -123,31 +177,42 @@ main (int argc, char **argv) } } - asprintf (&status, "%s", "Swap used:"); - while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) { - sscanf (input_buffer, SWAP_FORMAT, &total, &free); - used = total - free; - total_swap += total; - used_swap += used; - free_swap += free; - if (allswaps) { - percent = 100 * (((float) used) / ((float) total)); - if (percent >= crit_percent || free <= crit_size) - result = max_state (STATE_CRITICAL, result); - else if (percent >= warn_percent || free <= warn_size) - result = max_state (STATE_WARNING, result); - if (verbose) - asprintf (&status, "%s [%d/%d]", status, used, total); + if (!allswaps && sun) { + 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 { + while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) { + sscanf (input_buffer, swap_format, &dsktotal, &dskfree); + + dsktotal = dsktotal / conv_factor; + dskfree = dskfree / conv_factor; + if (verbose >= 3) + printf (_("total=%d, free=%d\n"), dsktotal, dskfree); + + dskused = dsktotal - dskfree; +#endif + 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); + } } } - percent_used = 100 * ((float) used_swap) / ((float) total_swap); - asprintf (&status, "%s %2d%% (%d out of %d)", - status, percent_used, used_swap, total_swap); - if (percent_used >= crit_percent || free_swap <= crit_size) - result = max_state (STATE_CRITICAL, result); - else if (percent_used >= warn_percent || free_swap <= warn_size) - result = max_state (STATE_WARNING, result); + 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); +#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); @@ -159,34 +224,30 @@ main (int argc, char **argv) if (spclose (child_process)) result = max_state (result, STATE_WARNING); #endif -#endif -#ifndef SWAP_COMMAND -#ifndef SWAP_FILE -#ifndef HAVE_PROC_MEMINFO + die (result, "SWAP %s:%s\n", state_text (result), status); return STATE_UNKNOWN; -#endif -#endif -#endif - - if (result == STATE_OK) - printf ("Swap ok - %s\n", status); - else if (result == STATE_CRITICAL) - printf ("CRITICAL - %s\n", status); - else if (result == STATE_WARNING) - printf ("WARNING - %s\n", status); - else if (result == STATE_UNKNOWN) - printf ("Unable to read output\n"); - else { - result = STATE_UNKNOWN; - printf ("UNKNOWN - %s\n", status); - } - - return result; } + +int +check_swap (int usp, int free_swap) +{ + int result = STATE_UNKNOWN; + if (usp >= 0 && usp >= (100.0 - crit_percent)) + result = STATE_CRITICAL; + else if (crit_size > 0 && (unsigned)free_swap <= crit_size) + result = STATE_CRITICAL; + else if (usp >= 0 && usp >= (100.0 - warn_percent)) + result = STATE_WARNING; + else if (warn_size > 0 && (unsigned)free_swap <= warn_size) + result = STATE_WARNING; + else if (usp >= 0.0) + result = STATE_OK; + return result; +} /* process command-line arguments */ @@ -197,28 +258,22 @@ process_arguments (int argc, char **argv) int wc = 0; /* warning counter */ int cc = 0; /* critical counter */ -#ifdef HAVE_GETOPT_H int option_index = 0; static struct option long_options[] = { {"warning", required_argument, 0, 'w'}, {"critical", required_argument, 0, 'c'}, - {"all", no_argument, 0, 'a'}, + {"allswaps", no_argument, 0, 'a'}, {"verbose", no_argument, 0, 'v'}, {"version", no_argument, 0, 'V'}, {"help", no_argument, 0, 'h'}, {0, 0, 0, 0} }; -#endif if (argc < 2) return ERROR; while (1) { -#ifdef HAVE_GETOPT_H c = getopt_long (argc, argv, "+?Vvhac:w:", long_options, &option_index); -#else - c = getopt (argc, argv, "+?Vvhac:w:"); -#endif if (c == -1 || c == EOF) break; @@ -231,7 +286,7 @@ process_arguments (int argc, char **argv) } else if (strstr (optarg, ",") && strstr (optarg, "%") && - sscanf (optarg, "%d,%d%%", &warn_size, &warn_percent) == 2) { + sscanf (optarg, "%lu,%d%%", &warn_size, &warn_percent) == 2) { break; } else if (strstr (optarg, "%") && @@ -239,7 +294,7 @@ process_arguments (int argc, char **argv) break; } else { - usage ("Warning threshold must be integer or percentage!\n"); + usage (_("Warning threshold must be integer or percentage!\n")); } wc++; case 'c': /* critical time threshold */ @@ -249,7 +304,7 @@ process_arguments (int argc, char **argv) } else if (strstr (optarg, ",") && strstr (optarg, "%") && - sscanf (optarg, "%d,%d%%", &crit_size, &crit_percent) == 2) { + sscanf (optarg, "%lu,%d%%", &crit_size, &crit_percent) == 2) { break; } else if (strstr (optarg, "%") && @@ -257,23 +312,23 @@ process_arguments (int argc, char **argv) break; } else { - usage ("Critical threshold must be integer or percentage!\n"); + usage (_("Critical threshold must be integer or percentage!\n")); } cc++; - case 'a': /* verbose */ + case 'a': /* all swap */ allswaps = TRUE; break; case 'v': /* verbose */ - verbose = TRUE; + verbose++; break; case 'V': /* version */ - print_revision (progname, "$Revision$"); + print_revision (progname, revision); exit (STATE_OK); case 'h': /* help */ print_help (); exit (STATE_OK); case '?': /* help */ - usage ("Invalid argument\n"); + usage (_("Invalid argument\n")); } } @@ -290,12 +345,12 @@ process_arguments (int argc, char **argv) if (c == argc) return validate_arguments (); - if (warn_size < 0 && is_intnonneg (argv[c])) + if (warn_size == 0 && is_intnonneg (argv[c])) warn_size = atoi (argv[c++]); if (c == argc) return validate_arguments (); - if (crit_size < 0 && is_intnonneg (argv[c])) + if (crit_size == 0 && is_intnonneg (argv[c])) crit_size = atoi (argv[c++]); return validate_arguments (); @@ -308,62 +363,17 @@ process_arguments (int argc, char **argv) int validate_arguments (void) { - if (warn_percent > 100 && crit_percent > 100 && warn_size < 0 - && crit_size < 0) { + if (warn_percent > 100 && crit_percent > 100 && warn_size == 0 + && crit_size == 0) { return ERROR; } - else if (warn_percent > crit_percent) { + else if (warn_percent < crit_percent) { usage - ("Warning percentage should not be less than critical percentage\n"); + (_("Warning percentage should be more than critical percentage\n")); } else if (warn_size < crit_size) { usage - ("Warning free space should not be more than critical free space\n"); + (_("Warning free space should be more than critical free space\n")); } return OK; } - - - - - -void -print_usage (void) -{ - printf - ("Usage:\n" - " %s [-a] -w %% -c %%\n" - " %s [-a] -w -c \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 (c) %s %s <%s>\n\n%s\n", COPYRIGHT, AUTHOR, EMAIL, SUMMARY); - print_usage (); - printf - ("\nOptions:\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 more 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 more than PERCENT of swap space has been used\n" - " -a, --allswaps\n" - " Conduct comparisons for all swap partitions, one by one\n" - " -h, --help\n" - " Print detailed help screen\n" - " -V, --version\n" " Print version information\n\n"); - support (); -}