void
SES_Delete(struct sess *sp)
{
struct acct *b = &sp->acct_ses;
struct sessmem *sm;
static char noaddr[] = "-";
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
sm = sp->mem;
CHECK_OBJ_NOTNULL(sm, SESSMEM_MAGIC);
AZ(sp->obj);
AZ(sp->vcl);
assert(!isnan(b->first));
assert(!isnan(sp->t_end));
if (sp->addr == NULL)
sp->addr = noaddr;
if (sp->port == NULL)
sp->port = noaddr;
VSL(SLT_StatSess, sp->id, "%s %s %.0f %ju %ju %ju %ju %ju %ju %ju",
sp->addr, sp->port, sp->t_end - b->first,
b->sess, b->req, b->pipe, b->pass,
b->fetch, b->hdrbytes, b->bodybytes);
if (sm->workspace != params->sess_workspace) {
free(sm);
sm = NULL;
} else {
/* Clean and prepare for reuse */
ses_setup(sm);
Lck_Lock(&ses_mem_mtx);
VTAILQ_INSERT_HEAD(&ses_free_mem[1 - ses_qp], sm, list);
Lck_Unlock(&ses_mem_mtx);
}
SES_ClearReqBodyCache(sp);
/* Update statistics */
Lck_Lock(&stat_mtx);
if (sm == NULL)
VSC_C_main->n_sess_mem--;
n_sess_rel++;
VSC_C_main->n_sess = n_sess_grab - n_sess_rel;
Lck_Unlock(&stat_mtx);
/* Try to precreate some ses-mem so the acceptor will not have to */
if (VSC_C_main->n_sess_mem < VSC_C_main->n_sess + 10) {
sm = ses_sm_alloc();
if (sm != NULL) {
ses_setup(sm);
Lck_Lock(&ses_mem_mtx);
VTAILQ_INSERT_HEAD(&ses_free_mem[1 - ses_qp], sm, list);
Lck_Unlock(&ses_mem_mtx);
}
}
}
struct sess *
SES_Alloc(void)
{
struct sess *sp;
ALLOC_OBJ(sp, SESS_MAGIC);
AN(sp);
ses_setup(sp);
/* XXX: sp->req ? */
return (sp);
}
struct sess *
SES_Alloc(void)
{
struct sess *sp;
struct sessmem *sm;
sm = ses_sm_alloc();
AN(sm);
ses_setup(sm);
sp = &sm->sess;
sp->sockaddrlen = 0;
return (sp);
}
static struct sess *
ses_new(struct sesspool *pp)
{
struct sess *sp;
CHECK_OBJ_NOTNULL(pp, SESSPOOL_MAGIC);
sp = MPL_Get(pp->mpl_sess, NULL);
sp->magic = SESS_MAGIC;
sp->sesspool = pp;
ses_setup(sp);
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
return (sp);
}
struct sess *
SES_New(void)
{
struct sessmem *sm;
struct sess *sp;
assert(pthread_self() == VCA_thread);
assert(ses_qp <= 1);
sm = VTAILQ_FIRST(&ses_free_mem[ses_qp]);
if (sm == NULL) {
/*
* If that queue is empty, flip queues holding the lock
* and try the new unlocked queue.
*/
Lck_Lock(&ses_mem_mtx);
ses_qp = 1 - ses_qp;
Lck_Unlock(&ses_mem_mtx);
sm = VTAILQ_FIRST(&ses_free_mem[ses_qp]);
}
if (sm != NULL) {
VTAILQ_REMOVE(&ses_free_mem[ses_qp], sm, list);
sp = &sm->sess;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
} else {
sm = ses_sm_alloc();
if (sm == NULL)
return (NULL);
ses_setup(sm);
sp = &sm->sess;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
}
/* Only updated from the cache acceptor - no lock needed */
n_sess_grab++;
SES_ClearReqBodyCache(sp);
return (sp);
}
struct sess *
SES_New(struct worker *wrk, struct sesspool *pp)
{
struct sessmem *sm;
struct sess *sp;
int do_alloc;
CHECK_OBJ_NOTNULL(pp, SESSPOOL_MAGIC);
do_alloc = 0;
Lck_Lock(&pp->mtx);
sm = VTAILQ_FIRST(&pp->freelist);
if (sm != NULL) {
VTAILQ_REMOVE(&pp->freelist, sm, list);
} else if (pp->nsess < cache_param->max_sess) {
pp->nsess++;
do_alloc = 1;
}
wrk->stats.sessmem_free += pp->dly_free_cnt;
pp->dly_free_cnt = 0;
Lck_Unlock(&pp->mtx);
if (do_alloc) {
sm = ses_sm_alloc();
if (sm != NULL) {
wrk->stats.sessmem_alloc++;
sm->pool = pp;
ses_setup(sm);
} else {
wrk->stats.sessmem_fail++;
}
} else if (sm == NULL) {
wrk->stats.sessmem_limit++;
}
if (sm == NULL)
return (NULL);
sp = &sm->sess;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
return (sp);
}
struct sess *
SES_New(void)
{
struct sessmem *sm;
struct sess *sp;
assert(pthread_self() == VCA_thread);
assert(ses_qp <= 1);
sm = VTAILQ_FIRST(&ses_free_mem[ses_qp]);
if (sm == NULL) {
/*
* If that queue is empty, flip queues holding the lock
* and try the new unlocked queue.
*/
Lck_Lock(&ses_mem_mtx);
ses_qp = 1 - ses_qp;
Lck_Unlock(&ses_mem_mtx);
sm = VTAILQ_FIRST(&ses_free_mem[ses_qp]);
}
if (sm != NULL) {
VTAILQ_REMOVE(&ses_free_mem[ses_qp], sm, list);
sp = &sm->sess;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
} else {
sm = ses_sm_alloc();
if (sm == NULL)
return (NULL);
ses_setup(sm);
sp = &sm->sess;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
}
VSC_C_main->n_sess++; /* XXX: locking ? */
return (sp);
}
void
SES_Delete(struct sess *sp, const char *reason, double now)
{
struct acct *b;
struct sessmem *sm;
struct worker *wrk;
struct sesspool *pp;
pp = ses_getpool(sp);
sm = sp->mem;
CHECK_OBJ_NOTNULL(sm, SESSMEM_MAGIC);
wrk = sp->wrk;
CHECK_OBJ_ORNULL(wrk, WORKER_MAGIC);
if (reason != NULL)
SES_Close(sp, reason);
if (isnan(now))
now = VTIM_real();
assert(!isnan(sp->t_open));
assert(sp->fd < 0);
if (sp->req != NULL) {
AZ(sp->req->vcl);
SES_ReleaseReq(sp);
}
if (*sp->addr == '\0')
strcpy(sp->addr, "-");
if (*sp->port == '\0')
strcpy(sp->addr, "-");
b = &sp->acct_ses;
VSL(SLT_StatSess, sp->vsl_id, "%s %s %.0f %ju %ju %ju %ju %ju %ju %ju",
sp->addr, sp->port,
now - sp->t_open,
b->sess, b->req, b->pipe, b->pass,
b->fetch, b->hdrbytes, b->bodybytes);
if (sm->workspace != cache_param->sess_workspace ||
sm->nhttp != (uint16_t)cache_param->http_max_hdr ||
pp->nsess > cache_param->max_sess) {
free(sm);
Lck_Lock(&pp->mtx);
if (wrk != NULL)
wrk->stats.sessmem_free++;
else
pp->dly_free_cnt++;
pp->nsess--;
Lck_Unlock(&pp->mtx);
} else {
/* Clean and prepare for reuse */
ses_setup(sm);
Lck_Lock(&pp->mtx);
if (wrk != NULL) {
wrk->stats.sessmem_free += pp->dly_free_cnt;
pp->dly_free_cnt = 0;
}
VTAILQ_INSERT_HEAD(&pp->freelist, sm, list);
Lck_Unlock(&pp->mtx);
}
}
void
SES_Delete(struct sess *sp, const char *reason)
{
struct acct *b;
struct sessmem *sm;
static char noaddr[] = "-";
struct worker *wrk;
struct sesspool *pp;
CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
sm = sp->mem;
CHECK_OBJ_NOTNULL(sm, SESSMEM_MAGIC);
pp = sm->pool;
CHECK_OBJ_NOTNULL(pp, SESSPOOL_MAGIC);
wrk = sp->wrk;
CHECK_OBJ_ORNULL(wrk, WORKER_MAGIC);
if (reason != NULL)
SES_Close(sp, reason);
assert(sp->fd < 0);
AZ(sp->obj);
AZ(sp->vcl);
if (sp->addr == NULL)
sp->addr = noaddr;
if (sp->port == NULL)
sp->port = noaddr;
b = &sp->acct_ses;
assert(!isnan(b->first));
assert(!isnan(sp->t_end));
VSL(SLT_StatSess, sp->vsl_id, "%s %s %.0f %ju %ju %ju %ju %ju %ju %ju",
sp->addr, sp->port, sp->t_end - b->first,
b->sess, b->req, b->pipe, b->pass,
b->fetch, b->hdrbytes, b->bodybytes);
if (sm->workspace != cache_param->sess_workspace ||
sm->nhttp != (uint16_t)cache_param->http_max_hdr ||
pp->nsess > cache_param->max_sess) {
free(sm);
Lck_Lock(&pp->mtx);
if (wrk != NULL)
wrk->stats.sessmem_free++;
else
pp->dly_free_cnt++;
pp->nsess--;
Lck_Unlock(&pp->mtx);
} else {
/* Clean and prepare for reuse */
ses_setup(sm);
Lck_Lock(&pp->mtx);
if (wrk != NULL) {
wrk->stats.sessmem_free += pp->dly_free_cnt;
pp->dly_free_cnt = 0;
}
VTAILQ_INSERT_HEAD(&pp->freelist, sm, list);
Lck_Unlock(&pp->mtx);
}
}
