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/* ISC license. */
#include <string.h>
#include <skalibs/uint16.h>
#include <skalibs/posixplz.h>
#include <skalibs/strerr.h>
#include <s6-dns/s6dns-domain.h>
#include <shibari/dcache.h>
#include "shibari-cache-internal.h"
static dcache_t cache = DCACHE_ZERO ;
void cache_init (uint64_t cachesize)
{
dcache_init(&cache, cachesize) ;
}
void cache_dump (void)
{
if (g->dumpfile)
{
if (!dcache_save(&cache, g->dumpfile))
{
strerr_warnwu2sys("save cache contents to ", g->dumpfile) ;
unlink_void(g->dumpfile) ;
}
}
}
void cache_load (void)
{
if (g->dumpfile)
{
if (!dcache_load(&cache, g->dumpfile))
strerr_warnwu2sys("load cache contents from ", g->dumpfile) ;
}
}
int cache_search (s6dns_domain_t const *name, uint16_t qtype, dcache_key_t *data)
{
dcache_node_t *node ;
char key[name->len + 1] ;
uint16_pack_big(key, qtype) ;
memcpy(key + 2, name->s, name->len - 1) ;
node = dcache_search_g(&cache, key, name->len + 1) ;
if (!node) return 0 ;
data->s = node->key.s + node->key.len ;
data->len = node->datalen ;
return 1 ;
}
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