/**
********************************************************************************
** \brief
** save a key/value into the ark db
*******************************************************************************/
void kv_async_DEL_KEY(async_CB_t *pCB)
{
uint32_t rc=0;
pCB->tag = pCB->itag + pCB->len_i;
while (EAGAIN == (rc=ark_del_async_cb(pCB->ark,
pCB->db->klen,
pCB->db->kv[pCB->len_i].key,
kv_async_cb,
pCB->tag))) usleep(10000);
if (rc) KV_ERR_STOP(pCB,"DEL_KEY",rc);
}
void kv_async_EXISTS_KEY(async_CB_t *pCB)
{
uint32_t rc=0;
pCB->tag = pCB->itag + pCB->len_i;
while (EAGAIN == (rc=ark_exists_async_cb(pCB->ark,
KV_ASYNC_KLEN,
pCB->db[pCB->len_i].key,
kv_async_cb,
pCB->tag))) usleep(10000);
if (rc) KV_ERR_STOP(pCB,"EXIST_KEY",rc);
}
void kv_async_SET_KEY(async_CB_t *pCB)
{
uint32_t rc=0;
pCB->tag = pCB->itag + pCB->len_i;
while (EAGAIN == (rc=ark_set_async_cb(pCB->ark,
KV_ASYNC_KLEN,
pCB->db[pCB->len_i].key,
KV_ASYNC_VLEN,
pCB->db[pCB->len_i].value,
kv_async_cb,
pCB->tag))) usleep(10000);
if (rc) KV_ERR_STOP(pCB,"SET_KEY",rc);
}
/**
********************************************************************************
** \brief
** callback for ark functions: set,get,exists,del
*******************************************************************************/
void kv_async_cb(int errcode, uint64_t dt, int64_t res)
{
async_context_t *pCT = pCTs+GET_CTXT(dt);
async_CB_t *pCB = NULL;
kv_t *p_kv = NULL;
if (NULL == pCT) KV_ERR_STOP(pCB, "bad dt: ctxt", 0);
pCB = pCT->pCBs+GET_CB(dt);
if (NULL == pCB) KV_ERR_STOP(pCB, "bad dt: cb", 0);
if (0 != errcode) KV_ERR_STOP(pCB, "bad errcode", errcode);
if (dt != pCB->tag) KV_ERR_STOP(pCB, "bad tag", 0);
if (res != pCB->db->vlen) KV_ERR_STOP(pCB, "bad res", 0);
p_kv = pCB->db->kv + pCB->len_i;
++pCB->len_i;
if (pCB->flags & KV_ASYNC_SET)
{
/* end of db len sequence, move to next step */
if (pCB->len_i == pCB->len)
{
pCB->len_i = 0;
pCB->flags &= ~KV_ASYNC_SET;
pCB->flags |= KV_ASYNC_GET;
kv_async_GET_KEY(pCB);
goto done;
}
kv_async_SET_KEY(pCB);
goto done;
}
else if (pCB->flags & KV_ASYNC_GET)
{
if (0 != memcmp(p_kv->value, pCB->gvalue, pCB->db->vlen))
{
KV_ERR_STOP(pCB,"get miscompare",0);
}
/* end of db len sequence, move to next step */
if (pCB->len_i == pCB->len)
{
pCB->len_i = 0;
if (read100 && !(pCB->flags & KV_ASYNC_SHUTDOWN))
{
kv_async_GET_KEY(pCB);
}
else
{
pCB->flags &= ~KV_ASYNC_GET;
pCB->flags |= KV_ASYNC_EXISTS;
kv_async_EXISTS_KEY(pCB);
}
goto done;
}
kv_async_GET_KEY(pCB);
goto done;
}
else if (pCB->flags & KV_ASYNC_EXISTS)
{
/* if end of db len sequence, move to next step */
if (pCB->len_i == pCB->len)
{
pCB->len_i = 0;
pCB->flags &= ~KV_ASYNC_EXISTS;
pCB->flags |= KV_ASYNC_DEL;
kv_async_DEL_KEY(pCB);
goto done;
}
kv_async_EXISTS_KEY(pCB);
goto done;
}
else if (pCB->flags & KV_ASYNC_DEL)
{
/* end of db len sequence, move to next step */
if (pCB->len_i == pCB->len)
{
if (pCB->flags & KV_ASYNC_SHUTDOWN)
{
pCB->flags &= ~KV_ASYNC_RUNNING;
goto done;
}
pCB->flags &= ~KV_ASYNC_DEL;
pCB->flags |= KV_ASYNC_SET;
pCB->len_i = 0;
kv_async_SET_KEY(pCB);
goto done;
}
kv_async_DEL_KEY(pCB);
goto done;
}
else
{
/* should not be here */
assert(0);
}
done:
return;
}
