void camd_stop(struct ts *ts) {
struct camd *c = &ts->camd;
if (c->constant_codeword)
return;
ts->camd_stop = 1;
if (c->thread) {
queue_add(c->req_queue, NULL);
queue_wakeup(c->req_queue);
pthread_join(c->thread, NULL);
queue_free(&c->req_queue);
queue_free(&c->ecm_queue);
queue_free(&c->emm_queue);
c->thread = 0;
}
c->ops.disconnect(c);
}
int queue_enq_unsafe(queue_t *q, int32_t v) {
int rc = ENOSPC;
if (q->c < q->n) {
int h = q->h;
q->q[h++] = v;
h %= q->n;
q->c++;
q->h = h;
rc = 0;
if (q->waiters > 0)
{
queue_wakeup(q);
}
}
return rc;
}
int queue_enq(queue_t *q, int32_t v) {
int rc = ENOSPC;
pthread_mutex_lock(&q->m);
if (q->c < q->n) {
int h = q->h;
q->q[h++] = v;
h %= q->n;
q->c++;
q->h = h;
rc = 0;
if (q->waiters > 0)
{
queue_wakeup(q);
}
}
pthread_mutex_unlock(&q->m);
return rc;
}
int ark_delete(ARK *ark) {
int rc = 0;
int i = 0;
_ARK *_arkp = (_ARK *)ark;
scb_t *scbp = NULL;
if (NULL == ark)
{
rc = EINVAL;
KV_TRC_FFDC(pAT, "Invalid ARK control block parameter: %d", rc);
goto ark_delete_ark_err;
}
// Wait for all active threads to exit
for (i = 0; i < _arkp->nthrds; i++)
{
scbp = &(_arkp->poolthreads[i]);
scbp->poolstate = PT_EXIT;
queue_lock(scbp->rqueue);
queue_wakeup(scbp->rqueue);
queue_unlock(scbp->rqueue);
pthread_join(scbp->pooltid, NULL);
queue_free(scbp->rqueue);
queue_free(scbp->tqueue);
queue_free(scbp->ioqueue);
pthread_mutex_destroy(&(scbp->poolmutex));
pthread_cond_destroy(&(scbp->poolcond));
KV_TRC(pAT, "thread %d joined", i);
}
if (_arkp->poolthreads) am_free(_arkp->poolthreads);
if (_arkp->pts) am_free(_arkp->pts);
for ( i = 0; i < _arkp->nasyncs ; i++ )
{
pthread_cond_destroy(&(_arkp->rcbs[i].acond));
pthread_mutex_destroy(&(_arkp->rcbs[i].alock));
}
for ( i = 0; i < _arkp->ntasks; i++ )
{
bt_delete(_arkp->tcbs[i].inb);
bt_delete(_arkp->tcbs[i].oub);
am_free(_arkp->tcbs[i].vb_orig);
}
if (_arkp->iocbs)
{
am_free(_arkp->iocbs);
}
if (_arkp->tcbs)
{
am_free(_arkp->tcbs);
}
if (_arkp->rcbs)
{
am_free(_arkp->rcbs);
}
if (_arkp->ttags)
{
tag_free(_arkp->ttags);
}
if (_arkp->rtags)
{
tag_free(_arkp->rtags);
}
if (!(_arkp->flags & ARK_KV_VIRTUAL_LUN))
{
rc = ark_persist(_arkp);
if ( rc != 0 )
{
KV_TRC_FFDC(pAT, "FFDC: ark_persist failed: %d", rc);
}
}
pthread_mutex_destroy(&_arkp->mainmutex);
(void)ea_delete(_arkp->ea);
hash_free(_arkp->ht);
bl_delete(_arkp->bl);
KV_TRC(pAT, "ark_delete done %p", _arkp);
am_free(_arkp);
ark_delete_ark_err:
KV_TRC_CLOSE(pAT);
return rc;
}
int ark_create_verbose(char *path, ARK **arkret,
uint64_t size, uint64_t bsize, uint64_t hcount,
int nthrds, int nqueue, int basyncs, uint64_t flags)
{
int rc = 0;
int p_rc = 0;
uint64_t bcount = 0;
uint64_t x = 0;
int i = 0;
int tnum = 0;
int rnum = 0;
scb_t *scbp = NULL;
KV_TRC_OPEN(pAT, "arkdb");
if (NULL == arkret)
{
KV_TRC_FFDC(pAT, "Incorrect value for ARK control block: rc=EINVAL");
rc = EINVAL;
goto ark_create_ark_err;
}
if ( (flags & (ARK_KV_PERSIST_LOAD|ARK_KV_PERSIST_STORE)) &&
(flags & ARK_KV_VIRTUAL_LUN) )
{
KV_TRC_FFDC(pAT, "Invalid persistence combination with ARK flags: %016lx",
flags);
rc = EINVAL;
goto ark_create_ark_err;
}
if (nthrds <= 0)
{
KV_TRC_FFDC(pAT, "invalid nthrds:%d", nthrds);
rc = EINVAL;
goto ark_create_ark_err;
}
_ARK *ark = am_malloc(sizeof(_ARK));
if (ark == NULL) {
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Out of memory allocating ARK control structure for %ld",
sizeof(_ARK));
goto ark_create_ark_err;
}
KV_TRC(pAT, "%p path(%s) size %ld bsize %ld hcount %ld "
"nthrds %d nqueue %d basyncs %d flags:%08lx",
ark, path, size, bsize, hcount,
nthrds, nqueue, basyncs, flags);
ark->bsize = bsize;
ark->rthread = 0;
ark->persload = 0;
ark->nasyncs = ((nqueue <= 0) ? ARK_MAX_ASYNC_OPS : nqueue);
ark->basyncs = basyncs;
ark->ntasks = ARK_MAX_TASK_OPS;
ark->nthrds = ARK_VERBOSE_NTHRDS_DEF; // hardcode, perf requirement
// Create the KV storage, whether that will be memory based
// or flash
ark->ea = ea_new(path, ark->bsize, basyncs, &size, &bcount,
(flags & ARK_KV_VIRTUAL_LUN));
if (ark->ea == NULL)
{
if (!errno) {KV_TRC_FFDC(pAT, "UNSET_ERRNO"); errno=ENOMEM;}
rc = errno;
KV_TRC_FFDC(pAT, "KV storage initialization failed: rc/errno:%d", rc);
goto ark_create_ea_err;
}
// Now that the "connection" to the store has been established
// we need to check to see if data was persisted from a previous
// instantiation of the KV store.
p_rc = ark_check_persistence(ark, flags);
if (p_rc > 0)
{
// We ran into an error while trying to read from
// the store.
rc = p_rc;
KV_TRC_FFDC(pAT, "Persistence check failed: %d", rc);
goto ark_create_persist_err;
}
else if (p_rc == -1)
{
KV_TRC(pAT, "NO PERSIST LOAD FLAG");
// There was no persistence data, so we just build off
// of what was passed into the API.
ark->size = size;
ark->bcount = bcount;
ark->hcount = hcount;
ark->vlimit = ARK_VERBOSE_VLIMIT_DEF;
ark->blkbits = ARK_VERBOSE_BLKBITS_DEF;
ark->grow = ARK_VERBOSE_GROW_DEF;
ark->rthread = 0;
ark->flags = flags;
ark->astart = 0;
ark->blkused = 1;
ark->ark_exit = 0;
ark->nactive = 0;
ark->pers_stats.kv_cnt = 0;
ark->pers_stats.blk_cnt = 0;
ark->pers_stats.byte_cnt = 0;
ark->pcmd = PT_IDLE;
// Create the requests and tag control blocks and queues.
x = ark->hcount / ark->nthrds;
ark->npart = x + (ark->hcount % ark->nthrds ? 1 : 0);
// Create the hash table
ark->ht = hash_new(ark->hcount);
if (ark->ht == NULL)
{
if (!errno) {KV_TRC_FFDC(pAT, "UNSET_ERRNO"); errno=ENOMEM;}
rc = errno;
KV_TRC_FFDC(pAT, "Hash initialization failed: %d", rc);
goto ark_create_ht_err;
}
// Create the block list
ark->bl = bl_new(ark->bcount, ark->blkbits);
if (ark->bl == NULL)
{
if (!errno) {KV_TRC_FFDC(pAT, "UNSET_ERRNO"); errno=ENOMEM;}
rc = errno;
KV_TRC_FFDC(pAT, "Block list initialization failed: %d", rc);
goto ark_create_bl_err;
}
if (flags & ARK_KV_PERSIST_STORE)
{
ark_persistence_calc(ark);
if (bl_reserve(ark->bl, ark->pers_max_blocks))
{goto ark_create_bl_err;}
}
}
else
{
KV_TRC(pAT, "PERSIST: %p path(%s) size %ld bsize %ld hcount %ld "
"nthrds %d nqueue %ld basyncs %d bcount %ld blkbits %ld",
ark, path, ark->size, ark->bsize, ark->hcount,
ark->nthrds, ark->nasyncs, ark->basyncs,
ark->bcount, ark->blkbits);
}
rc = pthread_mutex_init(&ark->mainmutex,NULL);
if (rc != 0)
{
KV_TRC_FFDC(pAT, "pthread_mutex_init for main mutex failed: %d", rc);
goto ark_create_pth_mutex_err;
}
ark->rtags = tag_new(ark->nasyncs);
if ( NULL == ark->rtags )
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Tag initialization for requests failed: %d", rc);
goto ark_create_rtag_err;
}
ark->ttags = tag_new(ark->ntasks);
if ( NULL == ark->ttags )
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Tag initialization for tasks failed: %d", rc);
goto ark_create_ttag_err;
}
ark->rcbs = am_malloc(ark->nasyncs * sizeof(rcb_t));
if ( NULL == ark->rcbs )
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Out of memory allocation of %"PRIu64" bytes for request control blocks", (ark->nasyncs * sizeof(rcb_t)));
goto ark_create_rcbs_err;
}
ark->tcbs = am_malloc(ark->ntasks * sizeof(tcb_t));
if ( NULL == ark->tcbs )
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Out of memory allocation of %"PRIu64" bytes for task control blocks", (ark->ntasks * sizeof(rcb_t)));
goto ark_create_tcbs_err;
}
ark->iocbs = am_malloc(ark->ntasks * sizeof(iocb_t));
if ( NULL == ark->iocbs )
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Out of memory allocation of %"PRIu64" bytes for io control blocks", (ark->ntasks * sizeof(iocb_t)));
goto ark_create_iocbs_err;
}
ark->poolthreads = am_malloc(ark->nthrds * sizeof(scb_t));
if ( NULL == ark->poolthreads )
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Out of memory allocation of %"PRIu64" bytes for server thread control blocks", (ark->nthrds * sizeof(scb_t)));
goto ark_create_poolthreads_err;
}
for ( rnum = 0; rnum < ark->nasyncs ; rnum++ )
{
ark->rcbs[rnum].stat = A_NULL;
pthread_cond_init(&(ark->rcbs[rnum].acond), NULL);
pthread_mutex_init(&(ark->rcbs[rnum].alock), NULL);
}
for ( tnum = 0; tnum < ark->ntasks; tnum++ )
{
ark->tcbs[tnum].inb = bt_new(0, ark->vlimit, sizeof(uint64_t),
&(ark->tcbs[tnum].inblen),
&(ark->tcbs[tnum].inb_orig));
if (ark->tcbs[tnum].inb == NULL)
{
if (!errno) {KV_TRC_FFDC(pAT, "UNSET_ERRNO"); errno=ENOMEM;}
rc = errno;
KV_TRC_FFDC(pAT, "Bucket allocation for inbuffer failed: %d", rc);
goto ark_create_taskloop_err;
}
ark->tcbs[tnum].oub = bt_new(0, ark->vlimit, sizeof(uint64_t),
&(ark->tcbs[tnum].oublen),
&(ark->tcbs[tnum].oub_orig));
if (ark->tcbs[tnum].oub == NULL)
{
if (!errno) {KV_TRC_FFDC(pAT, "UNSET_ERRNO"); errno=ENOMEM;}
rc = errno;
KV_TRC_FFDC(pAT, "Bucket allocation for outbuffer failed: %d", rc);
goto ark_create_taskloop_err;
}
//ark->tcbs[tnum].vbsize = bsize * 1024;
ark->tcbs[tnum].vbsize = bsize * 256;
ark->tcbs[tnum].vb_orig = am_malloc(ark->tcbs[tnum].vbsize);
if (ark->tcbs[tnum].vb_orig == NULL)
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Out of memory allocation for %"PRIu64" bytes for variable size buffer", (bsize * 1024));
goto ark_create_taskloop_err;
}
ark->tcbs[tnum].vb = ptr_align(ark->tcbs[tnum].vb_orig);
}
*arkret = (void *)ark;
ark->pts = (PT *)am_malloc(sizeof(PT) * ark->nthrds);
if ( ark->pts == NULL )
{
rc = ENOMEM;
KV_TRC_FFDC(pAT, "Out of memory allocation for %"PRIu64" bytes for server thread data", (sizeof(PT) * ark->nthrds));
goto ark_create_taskloop_err;
}
for (i = 0; i < ark->nthrds; i++) {
PT *pt = &(ark->pts[i]);
scbp = &(ark->poolthreads[i]);
memset(scbp, 0, sizeof(scb_t));
// Start off the random start point for this thread
// at -1, to show that it has not been part of a
// ark_random call.
scbp->rlast = -1;
scbp->holds = 0;
scbp->poolstate = PT_RUN;
scbp->poolstats.io_cnt = 0;
scbp->poolstats.ops_cnt = 0;
scbp->poolstats.kv_cnt = 0;
scbp->poolstats.blk_cnt = 0;
scbp->poolstats.byte_cnt = 0;
pthread_mutex_init(&(scbp->poolmutex), NULL);
pthread_cond_init(&(scbp->poolcond), NULL);
scbp->rqueue = queue_new(ark->nasyncs);
scbp->tqueue = queue_new(ark->ntasks);
scbp->ioqueue = queue_new(ark->ntasks);
pt->id = i;
pt->ark = ark;
rc = pthread_create(&(scbp->pooltid), NULL, pool_function, pt);
if (rc != 0)
{
KV_TRC_FFDC(pAT, "pthread_create of server thread failed: %d", rc);
goto ark_create_poolloop_err;
}
}
#if 0
while (ark->nactive < ark->nthrds) {
usleep(1);
//printf("Create waiting %d/%d\n", ark->nactive, ark->nthrds);
}
#endif
ark->pcmd = PT_RUN;
goto ark_create_return;
ark_create_poolloop_err:
for (; i >= 0; i--)
{
scbp = &(ark->poolthreads[i]);
if (scbp->pooltid != 0)
{
queue_lock(scbp->rqueue);
queue_wakeup(scbp->rqueue);
queue_unlock(scbp->rqueue);
pthread_join(scbp->pooltid, NULL);
pthread_mutex_destroy(&(scbp->poolmutex));
pthread_cond_destroy(&(scbp->poolcond));
if ( scbp->rqueue != NULL )
{
queue_free(scbp->rqueue);
}
if ( scbp->tqueue != NULL )
{
queue_free(scbp->tqueue);
}
if ( scbp->ioqueue != NULL )
{
queue_free(scbp->ioqueue);
}
}
}
if ( ark->pts != NULL )
{
am_free(ark->pts);
}
ark_create_taskloop_err:
for ( tnum = 0; tnum < ark->ntasks; tnum++ )
{
if (ark->tcbs[tnum].inb)
{
bt_delete(ark->tcbs[tnum].inb);
}
if (ark->tcbs[tnum].oub)
{
bt_delete(ark->tcbs[tnum].oub);
}
if (ark->tcbs[tnum].vb_orig)
{
am_free(ark->tcbs[tnum].vb_orig);
}
}
for (rnum = 0; rnum < ark->nasyncs; rnum++)
{
pthread_cond_destroy(&(ark->rcbs[rnum].acond));
pthread_mutex_destroy(&(ark->rcbs[rnum].alock));
}
if ( ark->poolthreads != NULL )
{
am_free(ark->poolthreads);
}
ark_create_poolthreads_err:
if (ark->iocbs)
{
am_free(ark->iocbs);
}
ark_create_iocbs_err:
if (ark->tcbs)
{
am_free(ark->tcbs);
}
ark_create_tcbs_err:
if (ark->rcbs)
{
am_free(ark->rcbs);
}
ark_create_rcbs_err:
if (ark->ttags)
{
tag_free(ark->ttags);
}
ark_create_ttag_err:
if (ark->rtags)
{
tag_free(ark->rtags);
}
ark_create_rtag_err:
pthread_mutex_destroy(&ark->mainmutex);
ark_create_pth_mutex_err:
bl_delete(ark->bl);
ark_create_bl_err:
hash_free(ark->ht);
ark_create_ht_err:
ark_create_persist_err:
ea_delete(ark->ea);
ark_create_ea_err:
am_free(ark);
*arkret = NULL;
ark_create_ark_err:
KV_TRC_CLOSE(pAT);
ark_create_return:
return rc;
}
