src/configfile.[ch]: Implement "cf_util_get_port_number".

[collectd.git] / src / configfile.c

diff --git a/src/configfile.c b/src/configfile.c
index df04289..1a957f6 100644 (file)
--- a/src/configfile.c
+++ b/src/configfile.c
@@ -942,3 +942,18 @@ int cf_util_get_string (const oconfig_item_t *ci, char **ret_string) /* {{{ */
 
        return (0);
 } /* }}} int cf_util_get_string */
+
+/* Assures that the config option is a string. The string is then converted to
+ * a port number using `service_name_to_port_number' and returned. Returns the
+ * port number in the range [1-65535] or less than zero upon failure. */
+int cf_util_get_port_number (const oconfig_item_t *ci) /* {{{ */
+{
+       if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
+       {
+               ERROR ("cf_util_get_port_number: The %s plugin requires "
+                               "exactly one string argument.", ci->key);
+               return (-1);
+       }
+
+       return (service_name_to_port_number (ci->values[0].value.string));
+} /* }}} int cf_util_get_port_number */