Applied the TTL-patch for the ping plugin.

diff --git a/ChangeLog b/ChangeLog
index 2e08609..c980d16 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -9,6 +9,7 @@
        * An option to compile collectd with different `step' and `hearbeat'
          settings has been added. The size of RRAs is no longer static but
          calculated based on the settings for `step' and `width'.
+       * The `ping' plugin can now be configured to use a certain TTL.
 
 2006-03-14, Version 3.8.2
        * `utils_mount.c' has been changed to not use the `MNTTAB' defined by

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index 4920460..64c6654 100644 (file)
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -170,6 +170,10 @@ option for what this plugin does.
 Host to ping periodically. This option may be repeated several times to ping
 multiple hosts.
 
+=item B<TTL> I<0-255>
+
+Sets the Time-To-Live of generated ICMP packets.
+
 =back
 
 =head1 SEE ALSO

diff --git a/src/ping.c b/src/ping.c
index f18ea8c..6966170 100644 (file)
--- a/src/ping.c
+++ b/src/ping.c
@@ -45,9 +45,10 @@ static int ds_num = 1;
 static char *config_keys[] =
 {
        "Host",
+       "TTL",
        NULL
 };
-static int config_keys_num = 1;
+static int config_keys_num = 2;
 
 static void ping_init (void)
 {
@@ -56,23 +57,35 @@ static void ping_init (void)
 
 static int ping_config (char *key, char *value)
 {
-       if (strcasecmp (key, "host"))
-       {
-               return (-1);
-       }
-
        if (pingobj == NULL)
        {
                if ((pingobj = ping_construct ()) == NULL)
                {
                        syslog (LOG_ERR, "ping: `ping_construct' failed.\n");
-                       return (-1);
+                       return (1);
                }
        }
 
-       if (ping_host_add (pingobj, value) < 0)
+       if (strcasecmp (key, "host") == 0)
        {
-               syslog (LOG_WARNING, "ping: `ping_host_add' failed.\n");
+               if (ping_host_add (pingobj, value) < 0)
+               {
+                       syslog (LOG_WARNING, "ping: `ping_host_add' failed.");
+                       return (1);
+               }
+       }
+       else if (strcasecmp (key, "ttl") == 0)
+       {
+               int ttl = atoi (value);
+               if (ping_setopt (pingobj, PING_DEF_TIMEOUT, (void *) &ttl))
+               {
+                       syslog (LOG_WARNING, "ping: liboping did not accept the TTL value %i", ttl);
+                       return (1);
+               }
+       }
+       else
+       {
+               return (-1);
        }
 
        return (0);