accept comma-delimted list of hosts for checking if a multihomed host is alive

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@362 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 38 insertions, 21 deletions

diff --git a/plugins/check_ping.c b/plugins/check_ping.c
index c75ad587..480f631e 100644
--- a/plugins/check_ping.c
+++ b/plugins/check_ping.c
@@ -83,6 +83,7 @@ main (int argc, char **argv)
 {
         char *command_line = NULL;
         int result = STATE_UNKNOWN;
+        int this_result = STATE_UNKNOWN;
         int i;
 
         addresses = malloc (max_addr);
@@ -113,7 +114,7 @@ main (int argc, char **argv)
                         printf ("%s ==> ", command_line);
 
                 /* run the command */
-                run_ping (command_line, addresses[i]);
+                this_result = run_ping (command_line, addresses[i]);
 
                 if (pl == UNKNOWN_PACKET_LOSS || rta == UNKNOWN_TRIP_TIME) {
                         printf ("%s\n", command_line);
@@ -122,30 +123,32 @@ main (int argc, char **argv)
                 }
 
                 if (pl >= cpl || rta >= crta || rta < 0)
-                        result = STATE_CRITICAL;
+                        this_result = STATE_CRITICAL;
                 else if (pl >= wpl || rta >= wrta)
-                        result = STATE_WARNING;
-                else if (pl < wpl && rta < wrta && pl >= 0 && rta >= 0)
-                        /* cannot use the max function because STATE_UNKNOWN is now 3 gt STATE_OK                       
-                                 result = max (result, STATE_OK);  */
-                        if( !( (result == STATE_WARNING) || (result == STATE_CRITICAL) )  ) {
-                                result = STATE_OK;      
-                        }
+                        this_result = STATE_WARNING;
+                else if (pl >= 0 && rta >= 0)
+                        this_result = max_state (STATE_OK, this_result);        
         
+                if (n_addresses > 1 && this_result != STATE_UNKNOWN)
+                        terminate (STATE_OK, "%s is alive\n", addresses[i]);
+
                 if (display_html == TRUE)
                         printf ("<A HREF='%s/traceroute.cgi?%s'>", CGIURL, addresses[i]);
                 if (pl == 100)
-                        printf ("PING %s - %sPacket loss = %d%%", state_text (result), warn_text,
+                        printf ("PING %s - %sPacket loss = %d%%", state_text (this_result), warn_text,
                                                         pl);
                 else
                         printf ("PING %s - %sPacket loss = %d%%, RTA = %2.2f ms",
-                                                        state_text (result), warn_text, pl, rta);
+                                                        state_text (this_result), warn_text, pl, rta);
                 if (display_html == TRUE)
                         printf ("</A>");
                 printf ("\n");
 
                 if (verbose)
                         printf ("%f:%d%% %f:%d%%\n", wrta, wpl, crta, cpl);
+
+                result = max_state (result, this_result);
+
         }
 
         return result;
@@ -157,6 +160,7 @@ int
 process_arguments (int argc, char **argv)
 {
         int c = 1;
+        char *ptr;
 
 #ifdef HAVE_GETOPT_H
         int option_index = 0;
@@ -169,7 +173,7 @@ process_arguments (int argc, char **argv)
         };
 #endif
 
-#define OPTCHARS "Vvht:c:w:H:p:nL"
+#define OPTCHARS "VvhnLt:c:w:H:p:"
 
         if (argc < 2)
                 return ERROR;
@@ -206,16 +210,23 @@ process_arguments (int argc, char **argv)
                         verbose = TRUE;
                         break;
                 case 'H':       /* hostname */
-                        if (is_host (optarg) == FALSE)
-                                usage2 ("Invalid host name/address", optarg);
-                        n_addresses++;
-                        if (n_addresses > max_addr) {
-                                max_addr *= 2;
-                                addresses = realloc (addresses, max_addr);
-                                if (addresses == NULL)
-                                        terminate (STATE_UNKNOWN, "Could not realloc() addresses\n");
+                        ptr=optarg;
+                        while (1) {
+                                n_addresses++;
+                                if (n_addresses > max_addr) {
+                                        max_addr *= 2;
+                                        addresses = realloc (addresses, max_addr);
+                                        if (addresses == NULL)
+                                                terminate (STATE_UNKNOWN, "Could not realloc() addresses\n");
+                                }
+                                addresses[n_addresses-1] = ptr;
+                                if (ptr = index (ptr, ',')) {
+                                        strcpy (ptr, "");
+                                        ptr += sizeof(char);
+                                } else {
+                                        break;
+                                }
                         }
-                        addresses[n_addresses-1] = optarg;
                         break;
                 case 'p':       /* number of packets to send */
                         if (is_intnonneg (optarg))
@@ -326,6 +337,7 @@ int
 validate_arguments ()
 {
         float max_seconds;
+        int i;
 
         if (wrta == UNKNOWN_TRIP_TIME) {
                 printf ("<wrta> was not set\n");
@@ -359,6 +371,11 @@ validate_arguments ()
         if (max_seconds > timeout_interval)
                 timeout_interval = (int)max_seconds;
 
+        for (i=0; i<n_addresses; i++) {
+                if (is_host(addresses[i]) == FALSE)
+                        usage2 ("Invalid host name/address", addresses[i]);
+        }
+
         return OK;
 }