enable "track_duplicates"

diff --git a/src/modules/proto_radius/proto_radius_udp.c b/src/modules/proto_radius/proto_radius_udp.c
index 09efceb1ff020c23c357a629596b38a7c8afc837..40c85e51b5190a4085af003168f846c668f66abf 100644 (file)
--- a/src/modules/proto_radius/proto_radius_udp.c
+++ b/src/modules/proto_radius/proto_radius_udp.c
@@ -282,15 +282,20 @@ static ssize_t mod_read(void const *instance, void **packet_ctx, fr_time_t **rec
                }
 
                /*
-                *      @todo - if track->reply_len == 1, then we are
-                *      INTENTIONALLY not replying.  In that case,
-                *      return 0.  Otherwise, it's a duplicate packet.
-                *      We MAY want to go poke the worker and say it's
-                *      a duplicate packet.  BUT all of that tracking
-                *      is very hard, so we might as well just ignore
-                *      it.
+                *      We are intentionally not responding.
                 */
-               return 0;
+               if (track->reply_len == 1) {
+                       return 0;
+               }
+
+               /*
+                *      Otherwise it's a duplicate packet.  Send the
+                *      whole thing over to the network stack, noting
+                *      that the tracking code ensures we get
+                *      "recv_time" from the ORIGINAL packet, and not
+                *      from now.
+                */
+               break;
 
        /*
         *      Delete any pre-existing cleanup_delay timers.
@@ -583,6 +588,8 @@ fr_app_io_t proto_radius_udp = {
        .instantiate            = mod_instantiate,
 
        .default_message_size   = 4096,
+       .track_duplicates       = true,
+
        .open                   = mod_open,
        .read                   = mod_read,
        .decode                 = mod_decode,