static switch_l3_hash_t *switch_l3_search_hash(switch_handle_t vrf,
switch_ip_addr_t *ip_addr) {
unsigned char key[SWITCH_L3_HASH_KEY_SIZE];
unsigned int len = 0;
uint32_t hash = 0;
switch_l3_hash_key_init(key, vrf, ip_addr, &len, &hash);
switch_l3_hash_t *hash_entry = tommy_hashtable_search(
&switch_l3_hash_table, switch_l3_hash_cmp, key, hash);
return hash_entry;
}
static switch_smac_entry_t *
switch_smac_rewrite_search_entry(switch_mac_addr_t *mac)
{
switch_smac_entry_t *smac_entry = NULL;
unsigned char key[ETH_LEN];
unsigned int len = 0;
uint32_t hash;
switch_smac_rewrite_hash_key_init(key, mac, &len, &hash);
smac_entry = tommy_hashtable_search(&smac_rewrite_table, switch_smac_rewrite_hash_cmp, key, hash);
return smac_entry;
}
static switch_dmac_rewrite_t *switch_dmac_rewrite_search_hash(
switch_mac_addr_t *mac) {
unsigned char key[SWITCH_DMAC_REWRITE_HASH_KEY_SIZE];
unsigned int len = 0;
uint32_t hash = 0;
switch_dmac_rewrite_t *dmac_rewrite = NULL;
switch_dmac_rewrite_hash_key_init(key, mac, &len, &hash);
dmac_rewrite = tommy_hashtable_search(
&switch_dmac_rewrite_table, switch_dmac_rewrite_hash_cmp, key, hash);
return dmac_rewrite;
}
switch_neighbor_dmac_t *switch_neighbor_dmac_search_hash(
switch_handle_t bd_handle, switch_mac_addr_t *mac) {
unsigned char key[SWITCH_NEIGHBOR_DMAC_HASH_KEY_SIZE];
unsigned int len = 0;
uint32_t hash = 0;
switch_neighbor_dmac_t *neighbor_dmac = NULL;
switch_neighbor_dmac_hash_key_init(key, bd_handle, mac, &len, &hash);
neighbor_dmac = tommy_hashtable_search(
&switch_neighbor_dmac_table, switch_neighbor_dmac_hash_cmp, key, hash);
return neighbor_dmac;
}
switch_handle_t
switch_api_nhop_handle_get(switch_nhop_key_t *nhop_key)
{
switch_spath_info_t *spath_info = NULL;
unsigned char key[SWITCH_NHOP_HASH_KEY_SIZE];
uint32_t len = 0;
uint32_t hash = 0;
switch_nhop_hash_key_init(key, nhop_key, &len, &hash);
spath_info = tommy_hashtable_search(&switch_nhop_hash_table,
switch_nhop_hash_cmp,
key, hash);
if (!spath_info) {
return SWITCH_API_INVALID_HANDLE;
}
return spath_info->nhop_handle;
}
void* pcore_hash_search(phash_pool pool, const puint32 value)
{
if (!pool) {
plog_error("%s(): Нет phash_pool!", __PRETTY_FUNCTION__);
return NULL;
}
plog_dbg("%s(): Поиск в пуле 0x%08X значения '%d'", __PRETTY_FUNCTION__, pool, value);
phash_object ret = NULL;
switch (pool->type) {
case PHASH_FAST_SEARCH:
ret = tommy_hashdyn_search((tommy_hashdyn *)pool->hash_struct, compare_hash_uint32, &value, tommy_inthash_u32(value));
break;
case PHASH_FAST_INSERT:
default:
ret = tommy_hashtable_search((tommy_hashtable *)pool->hash_struct, compare_hash_uint32, &value, tommy_inthash_u32(value));
break;
}
return ret->data;
}
/* 0: found,
1: not found, insert
2: not found, do NOT insert
*/
int tcam_cache_lookup(tcam_cache_t *cache, uint8_t *key, void **data) {
int acquired = pthread_mutex_trylock(&cache->lock);
if(acquired){
*data = NULL;
return 2;
}
uint32_t hash = hashlittle(key, cache->key_size, 0);
cache_entry_t *entry = tommy_hashtable_search(&cache->hashtable,
cmp,
key,
hash);
int result;
if(entry) {
entry->last_access = time(NULL);
*data = entry->data;
result = 0;
}
else {
*data = NULL;
result = 1;
}
pthread_mutex_unlock(&cache->lock);
return result;
}
