/*
* @brief Insère un couple key/val dans la base
*
* Insère un couple key/val dans la base en fonction de la méthode d'allocation
* et de la fonction de hachage en argument (kv)
*
* @param kv descripteur d'accès à la base
* @param key clé
* @param val valeur
*/
int kv_put (KV *kv, const kv_datum *key, const kv_datum *val)
{
len_t offset_tmp;
if(offset_cle(kv,key,&offset_tmp) == 1) // la clé existe déjà
{
if((kv_del(kv,key)) == -1) {
return -1;
}
if((kv_put(kv,key,val)) == -1) {
return -1;
}
return 42;
}
else // la clé n'existe pas
{
len_t offset;
if(kv_put_dkv(kv, key, val, &offset) == -1) {
return -1; // modification dans le .dkv
}
if(kv_put_blk(kv, key, &offset) == -1) {
return -1; // modification dans le .blk
}
if(writeData(kv, key, val, offset) == -1) {
return -1; // écriture du couple key/val
}
}
return 42;
}
/**
********************************************************************************
** \brief
** write and read k/v in a database from the ark to equal 50% reads 50% writes
*******************************************************************************/
void do_50_percent_read(worker_t *w)
{
int start=0,cur=0,rc=0;
start = time(0);
do
{
if ((rc=kv_load (w->ark, w->db))) break;
if ((rc=kv_exists(w->ark, w->db))) break;
if ((rc=kv_del (w->ark, w->db))) break;
cur = time(0);
}
while (cur-start < KV_MIN_SECS);
}
/**
********************************************************************************
** \brief
** write and read k/v in a database from the ark to equal 75% reads 25% writes
*******************************************************************************/
void read_75_percent(worker_t *w)
{
int start=0,cur=0,rc=0;
start = time(0);
do
{
if ((rc=kv_load (w->ark, w->db))) break;
if ((rc=kv_query(w->ark, w->db))) break;
if ((rc=kv_del (w->ark, w->db))) break;
cur = time(0);
}
while (cur-start < KV_MIN_SECS);
}
void do_100_percent_read(worker_t *w)
{
int start=0,cur=0,rc=0;
kv_load(w->ark, w->db);
start = time(0);
do
{
if ((rc=kv_query(w->ark, w->db))) break;
cur = time(0);
}
while (cur-start < KV_WORKER_MIN_SECS);
kv_del(w->ark, w->db);
}
