From 231748bb0e6f274eb91824bf1e3b1693370ec0de Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Fri, 15 Mar 2024 10:12:51 +0100
Subject: LRU cache: move to 64 bits long keys (#2346)

Tradeoff between key comparison efficiency (i.e. no `memcmp`) and key
length.
At least in the ipv4 cases, we have no more different entries with the
same key.
---
 src/include/ndpi_api.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/include/ndpi_api.h')

diff --git a/src/include/ndpi_api.h b/src/include/ndpi_api.h
index 33a2c0e84..db1e12ebd 100644
--- a/src/include/ndpi_api.h
+++ b/src/include/ndpi_api.h
@@ -1058,9 +1058,9 @@ extern "C" {
   /* LRU cache */
   struct ndpi_lru_cache* ndpi_lru_cache_init(u_int32_t num_entries, u_int32_t ttl, int shared);
   void ndpi_lru_free_cache(struct ndpi_lru_cache *c);
-  u_int8_t ndpi_lru_find_cache(struct ndpi_lru_cache *c, u_int32_t key,
+  u_int8_t ndpi_lru_find_cache(struct ndpi_lru_cache *c, u_int64_t key,
 			       u_int16_t *value, u_int8_t clean_key_when_found, u_int32_t now_sec);
-  void ndpi_lru_add_to_cache(struct ndpi_lru_cache *c, u_int32_t key, u_int16_t value, u_int32_t now_sec);
+  void ndpi_lru_add_to_cache(struct ndpi_lru_cache *c, u_int64_t key, u_int16_t value, u_int32_t now_sec);
   void ndpi_lru_get_stats(struct ndpi_lru_cache *c, struct ndpi_lru_cache_stats *stats);
 
   int ndpi_get_lru_cache_stats(struct ndpi_global_context *g_ctx,
-- 
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