1 files changed, 0 insertions, 156 deletions

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index ecb939605..8c65c02b4 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -10361,162 +10361,6 @@ u_int32_t ndpi_get_current_time(struct ndpi_flow_struct *flow)
 
 /* ******************************************************************** */
 
-/* LRU cache */
-struct ndpi_lru_cache *ndpi_lru_cache_init(u_int32_t num_entries, u_int32_t ttl, int shared) {
-  struct ndpi_lru_cache *c = (struct ndpi_lru_cache *) ndpi_calloc(1, sizeof(struct ndpi_lru_cache));
-
-  if(!c)
-    return(NULL);
-
-  c->ttl = ttl & 0x7FFFFFFF;
-  c->shared = !!shared;
-#ifdef USE_GLOBAL_CONTEXT
-  if(c->shared) {
-    if(pthread_mutex_init(&c->mutex, NULL) != 0) {
-      ndpi_free(c);
-      return(NULL);
-    }
-  }
-#endif
-  c->entries = (struct ndpi_lru_cache_entry *) ndpi_calloc(num_entries, sizeof(struct ndpi_lru_cache_entry));
-
-  if(!c->entries) {
-    ndpi_free(c);
-    return(NULL);
-  } else
-    c->num_entries = num_entries;
-
-  return(c);
-}
-
-void ndpi_lru_free_cache(struct ndpi_lru_cache *c) {
-  ndpi_free(c->entries);
-  ndpi_free(c);
-}
-
-static void __lru_cache_lock(struct ndpi_lru_cache *c)
-{
-#ifdef USE_GLOBAL_CONTEXT
-  if(c->shared) {
-    pthread_mutex_lock(&c->mutex);
-  }
-#else
-  (void)c;
-#endif
-}
-
-static void __lru_cache_unlock(struct ndpi_lru_cache *c)
-{
-#ifdef USE_GLOBAL_CONTEXT
-  if(c->shared) {
-    pthread_mutex_unlock(&c->mutex);
-  }
-#else
-  (void)c;
-#endif
-}
-
-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) {
-  u_int32_t slot = ndpi_quick_hash((unsigned char *)&key, sizeof(key)) % c->num_entries;
-  u_int8_t ret;
-
-  __lru_cache_lock(c);
-
-  c->stats.n_search++;
-  if(c->entries[slot].is_full && c->entries[slot].key == key &&
-     now_sec >= c->entries[slot].timestamp &&
-     (c->ttl == 0 || now_sec - c->entries[slot].timestamp <= c->ttl)) {
-    *value = c->entries[slot].value;
-    if(clean_key_when_found)
-      c->entries[slot].is_full = 0;
-    c->stats.n_found++;
-    ret = 1;
-  } else
-    ret = 0;
-
-  __lru_cache_unlock(c);
-
-  return ret;
-}
-
-void ndpi_lru_add_to_cache(struct ndpi_lru_cache *c, u_int64_t key, u_int16_t value, u_int32_t now_sec) {
-  u_int32_t slot = ndpi_quick_hash((unsigned char *)&key, sizeof(key)) % c->num_entries;
-
-  __lru_cache_lock(c);
-
-  c->stats.n_insert++;
-  c->entries[slot].is_full = 1, c->entries[slot].key = key, c->entries[slot].value = value, c->entries[slot].timestamp = now_sec;
-
-  __lru_cache_unlock(c);
-}
-
-void ndpi_lru_get_stats(struct ndpi_lru_cache *c, struct ndpi_lru_cache_stats *stats) {
-  if(c) {
-    stats->n_insert = c->stats.n_insert;
-    stats->n_search = c->stats.n_search;
-    stats->n_found = c->stats.n_found;
-  } else {
-    stats->n_insert = 0;
-    stats->n_search = 0;
-    stats->n_found = 0;
-  }
-}
-
-int ndpi_get_lru_cache_stats(struct ndpi_global_context *g_ctx,
-			     struct ndpi_detection_module_struct *ndpi_struct,
-			     lru_cache_type cache_type,
-			     struct ndpi_lru_cache_stats *stats)
-{
-  int scope, is_local = 1;
-  char param[64], buf[8], *rc;
-
-  if(!stats || (!ndpi_struct && !g_ctx))
-    return -1;
-  if(!ndpi_struct) {
-    is_local = 0;
-  } else {
-    snprintf(param, sizeof(param), "lru.%s.scope", ndpi_lru_cache_idx_to_name(cache_type));
-    rc = ndpi_get_config(ndpi_struct, NULL, param, buf, sizeof(buf));
-    if(rc == NULL)
-      return -1;
-    scope = atoi(buf);
-    if(scope == NDPI_LRUCACHE_SCOPE_GLOBAL) {
-      is_local = 0;
-      if(!g_ctx)
-        return -1;
-    }
-  }
-
-  switch(cache_type) {
-  case NDPI_LRUCACHE_OOKLA:
-    ndpi_lru_get_stats(is_local ? ndpi_struct->ookla_cache : g_ctx->ookla_global_cache, stats);
-    return 0;
-  case NDPI_LRUCACHE_BITTORRENT:
-    ndpi_lru_get_stats(is_local ? ndpi_struct->bittorrent_cache : g_ctx->bittorrent_global_cache, stats);
-    return 0;
-  case NDPI_LRUCACHE_STUN:
-    ndpi_lru_get_stats(is_local ? ndpi_struct->stun_cache : g_ctx->stun_global_cache, stats);
-    return 0;
-  case NDPI_LRUCACHE_TLS_CERT:
-    ndpi_lru_get_stats(is_local ? ndpi_struct->tls_cert_cache : g_ctx->tls_cert_global_cache, stats);
-    return 0;
-  case NDPI_LRUCACHE_MINING:
-    ndpi_lru_get_stats(is_local ? ndpi_struct->mining_cache : g_ctx->mining_global_cache, stats);
-    return 0;
-  case NDPI_LRUCACHE_MSTEAMS:
-    ndpi_lru_get_stats(is_local ? ndpi_struct->msteams_cache : g_ctx->msteams_global_cache, stats);
-    return 0;
-  case NDPI_LRUCACHE_FPC_DNS:
-    ndpi_lru_get_stats(is_local ? ndpi_struct->fpc_dns_cache : g_ctx->fpc_dns_global_cache, stats);
-    return 0;
-  default:
-    return -1;
-  }
-}
-
-/* ******************************************************************** */
-
 /*
   This function tells if it's possible to further dissect a given flow
   0 - All possible dissection has been completed