Init cache_cage.fallback lazily

Prevents lots of redundant fallback lookups.

diff --git a/src/cache.c b/src/cache.c
index 2978e410f0babdad736b6a367c85ef3b5c969732..a396abaf83da7b1a8337a189bfe0ca17d44dee37 100644 (file)
--- a/src/cache.c
+++ b/src/cache.c
@@ -132,6 +132,7 @@ static struct rpki_cache {
 static volatile sig_atomic_t lockfile_owned;
 
 struct cache_cage {
+       struct extension_uris *uris;
        struct cache_node const *refresh;
        struct cache_node const *fallback;
        struct mft_meta *mft;           /* Fallback XXX not set */
@@ -1104,8 +1105,8 @@ cache_refresh_by_uris(struct extension_uris *uris, struct cache_cage **result)
 
 refresh_success:
        *result = cage = pzalloc(sizeof(struct cache_cage));
+       cage->uris = uris;
        cage->refresh = node;
-       cage->fallback = get_fallback(uris);
        return VV_CONTINUE;
 }
 
@@ -1178,6 +1179,7 @@ cage_downgrade(struct cache_cage *cage)
 
        if (cage->refresh) {
                cage->refresh = NULL;
+               cage->fallback = get_fallback(cage->uris);
                return cage->fallback != NULL;
        }
        if (cage->fallback)