Fix byte order in verbose logging

[nagiosplug.git] / plugins-root / check_icmp.c

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index cd059c3815647557d8e6d365355e7b1020a753c3..7e3b00f36a0a2f6b887e0433ef4868f7b453ff74 100644 (file)
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -3,7 +3,7 @@
 * Nagios check_icmp plugin
 *
 * License: GPL
-* Copyright (c) 2005-2006 nagios-plugins team
+* Copyright (c) 2005-2007 nagios-plugins team
 *
 * Original Author : Andreas Ericsson <ae@op5.se>
 *
@@ -46,7 +46,7 @@
 /* char *progname = "check_icmp"; */
 char *progname;
 const char *revision = "$Revision$";
-const char *copyright = "2005-2006";
+const char *copyright = "2005-2007";
 const char *email = "nagiosplug-devel@lists.sourceforge.net";
 
 /** nagios plugins basic includes */
@@ -212,6 +212,7 @@ static struct timeval prog_start;
 static unsigned long long max_completion_time = 0;
 static unsigned char ttl = 0;  /* outgoing ttl */
 static unsigned int warn_down = 1, crit_down = 1; /* host down threshold values */
+static int min_hosts_alive = -1;
 float pkt_backoff_factor = 1.5;
 float target_backoff_factor = 1.5;
 
@@ -394,7 +395,8 @@ main(int argc, char **argv)
        environ = NULL;
 
        /* use the pid to mark packets as ours */
-       pid = getpid();
+       /* Some systems have 32-bit pid_t so mask off only 16 bits */
+       pid = getpid() & 0xffff;
        /* printf("pid = %u\n", pid); */
 
        /* get calling name the old-fashioned way for portability instead
@@ -437,7 +439,7 @@ main(int argc, char **argv)
 
        /* parse the arguments */
        for(i = 1; i < argc; i++) {
-               while((arg = getopt(argc, argv, "vhVw:c:n:p:t:H:i:b:I:l:")) != EOF) {
+               while((arg = getopt(argc, argv, "vhVw:c:n:p:t:H:i:b:I:l:m:")) != EOF) {
                        switch(arg) {
                        case 'v':
                                debug++;
@@ -471,6 +473,9 @@ main(int argc, char **argv)
                        case 'l':
                                ttl = (unsigned char)strtoul(optarg, NULL, 0);
                                break;
+                       case 'm':
+                               min_hosts_alive = (int)strtoul(optarg, NULL, 0);
+                               break;
                        case 'd': /* implement later, for cluster checks */
                                warn_down = (unsigned char)strtoul(optarg, &ptr, 0);
                                if(ptr) {
@@ -587,6 +592,11 @@ main(int argc, char **argv)
                crash("packets is > 20 (%d)", packets);
        }
 
+       if(min_hosts_alive < -1) {
+               errno = 0;
+               crash("minimum alive hosts is negative (%i)", min_hosts_alive);
+       }
+
        host = list;
        table = malloc(sizeof(struct rta_host **) * (argc - 1));
        i = 0;
@@ -879,6 +889,8 @@ finish(int sig)
        struct rta_host *host;
        char *status_string[] =
        {"OK", "WARNING", "CRITICAL", "UNKNOWN", "DEPENDENT"};
+       int hosts_ok = 0;
+       int hosts_warn = 0;
 
        alarm(0);
        if(debug > 1) printf("finish(%d) called\n", sig);
@@ -911,13 +923,25 @@ finish(int sig)
                }
                host->pl = pl;
                host->rta = rta;
-               if(!status && (pl >= warn.pl || rta >= warn.rta)) status = STATE_WARNING;
-               if(pl >= crit.pl || rta >= crit.rta) status = STATE_CRITICAL;
+               if(pl >= crit.pl || rta >= crit.rta) {
+                       status = STATE_CRITICAL;
+               }
+               else if(!status && (pl >= warn.pl || rta >= warn.rta)) {
+                       status = STATE_WARNING;
+                       hosts_warn++;
+               }
+               else {
+                       hosts_ok++;
+               }
 
                host = host->next;
        }
        /* this is inevitable */
        if(!targets_alive) status = STATE_CRITICAL;
+       if(min_hosts_alive > -1) {
+               if(hosts_ok >= min_hosts_alive) status = STATE_OK;
+               else if((hosts_ok + hosts_warn) >= min_hosts_alive) status = STATE_WARNING;
+       }
        printf("%s - ", status_string[status]);
 
        host = list;
@@ -964,10 +988,15 @@ finish(int sig)
                host = host->next;
        }
 
+       if(min_hosts_alive > -1) {
+               if(hosts_ok >= min_hosts_alive) status = STATE_OK;
+               else if((hosts_ok + hosts_warn) >= min_hosts_alive) status = STATE_WARNING;
+       }
+
        /* finish with an empty line */
        puts("");
-       if(debug) printf("targets: %u, targets_alive: %u\n",
-                                        targets, targets_alive);
+       if(debug) printf("targets: %u, targets_alive: %u, hosts_ok: %u, hosts_warn: %u, min_hosts_alive: %i\n",
+                                        targets, targets_alive, hosts_ok, hosts_warn, min_hosts_alive);
 
        exit(status);
 }
@@ -1211,6 +1240,9 @@ print_help(void)
   printf (" %s\n", "-I");
   printf ("    %s", _("max target interval (currently "));
   printf ("%0.3fms)\n", (float)target_interval / 1000);
+  printf (" %s\n", "-m");
+  printf ("    %s",_("number of alive hosts required for success"));
+  printf ("\n");
   printf (" %s\n", "-l");
   printf ("    %s", _("TTL on outgoing packets (currently "));
   printf ("%u)", ttl);
@@ -1228,10 +1260,12 @@ print_help(void)
   printf ("%s\n", _("packet loss.  The default values should work well for most users."));
   printf ("%s\n", _("You can specify different RTA factors using the standardized abbreviations"));
   printf ("%s\n\n", _("us (microseconds), ms (milliseconds, default) or just plain s for seconds."));
-  printf ("%s\n", _("Threshold format for -d is warn,crit.  12,14 means WARNING if >= 12 hops"));
+/* -d not yet implemented */
+/*  printf ("%s\n", _("Threshold format for -d is warn,crit.  12,14 means WARNING if >= 12 hops"));
   printf ("%s\n", _("are spent and CRITICAL if >= 14 hops are spent."));
-  printf ("%s\n\n", _("NOTE: Some systems decrease TTL when forming ICMP_ECHOREPLY, others do not."));
+  printf ("%s\n\n", _("NOTE: Some systems decrease TTL when forming ICMP_ECHOREPLY, others do not."));*/
   printf ("%s\n\n", _("The -v switch can be specified several times for increased verbosity."));
+
 /*  printf ("%s\n", _("Long options are currently unsupported."));
   printf ("%s\n", _("Options marked with * require an argument"));
 */