Don't forward hopelessly out-of-date requests.

012a85b6 · Juliusz Chroboczek · c99109be · 012a85b6
Commit 012a85b6 authored Mar 13, 2008 by Juliusz Chroboczek
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message.c message.c +6 -0

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--- a/message.c
+++ b/message.c
@@ -280,6 +280,12 @@ handle_request(struct neighbour *neigh, const unsigned char *prefix,
    if(hop_count <= 1)
        return;

+    if(router_hash == hash_id(route->src->address) &&
+       seqno_minus(seqno, route->seqno) > 100) {
+        /* Hopelessly out-of-date */
+        return;
+    }
+
    /* Let's forward this request. */
    if(route && route->metric < INFINITY)
        successor = route->neigh;