stream_session_t *
session_alloc (u32 thread_index)
{
- session_manager_main_t *smm = &session_manager_main;
+ session_manager_worker_t *wrk = &session_manager_main.wrk[thread_index];
stream_session_t *s;
u8 will_expand = 0;
- pool_get_aligned_will_expand (smm->sessions[thread_index], will_expand,
+ pool_get_aligned_will_expand (wrk->sessions, will_expand,
CLIB_CACHE_LINE_BYTES);
/* If we have peekers, let them finish */
if (PREDICT_FALSE (will_expand && vlib_num_workers ()))
{
- clib_rwlock_writer_lock (&smm->peekers_rw_locks[thread_index]);
- pool_get_aligned (session_manager_main.sessions[thread_index], s,
- CLIB_CACHE_LINE_BYTES);
- clib_rwlock_writer_unlock (&smm->peekers_rw_locks[thread_index]);
+ clib_rwlock_writer_lock (&wrk->peekers_rw_locks);
+ pool_get_aligned (wrk->sessions, s, CLIB_CACHE_LINE_BYTES);
+ clib_rwlock_writer_unlock (&wrk->peekers_rw_locks);
}
else
{
- pool_get_aligned (session_manager_main.sessions[thread_index], s,
- CLIB_CACHE_LINE_BYTES);
+ pool_get_aligned (wrk->sessions, s, CLIB_CACHE_LINE_BYTES);
}
- memset (s, 0, sizeof (*s));
- s->session_index = s - session_manager_main.sessions[thread_index];
+ clib_memset (s, 0, sizeof (*s));
+ s->session_index = s - wrk->sessions;
s->thread_index = thread_index;
return s;
}
void
session_free (stream_session_t * s)
{
- pool_put (session_manager_main.sessions[s->thread_index], s);
+ pool_put (session_manager_main.wrk[s->thread_index].sessions, s);
if (CLIB_DEBUG)
- memset (s, 0xFA, sizeof (*s));
+ clib_memset (s, 0xFA, sizeof (*s));
}
void
s = session_alloc (thread_index);
s->session_type = session_type_from_proto_and_ip (tc->proto, tc->is_ip4);
- s->session_state = SESSION_STATE_CONNECTING;
s->enqueue_epoch = (u64) ~ 0;
/* Attach transport to session and vice versa */
{
/* Queue RX event on this fifo. Eventually these will need to be flushed
* by calling stream_server_flush_enqueue_events () */
- session_manager_main_t *smm = vnet_get_session_manager_main ();
- u32 thread_index = s->thread_index;
- u64 enqueue_epoch = smm->current_enqueue_epoch[tc->proto][thread_index];
+ session_manager_worker_t *wrk;
- if (s->enqueue_epoch != enqueue_epoch)
+ wrk = session_manager_get_worker (s->thread_index);
+ if (s->enqueue_epoch != wrk->current_enqueue_epoch[tc->proto])
{
- s->enqueue_epoch = enqueue_epoch;
- vec_add1 (smm->session_to_enqueue[tc->proto][thread_index],
- s->session_index);
+ s->enqueue_epoch = wrk->current_enqueue_epoch[tc->proto];
+ vec_add1 (wrk->session_to_enqueue[tc->proto], s->session_index);
}
}
return enqueued;
}
-
int
session_enqueue_dgram_connection (stream_session_t * s,
session_dgram_hdr_t * hdr,
{
/* Queue RX event on this fifo. Eventually these will need to be flushed
* by calling stream_server_flush_enqueue_events () */
- session_manager_main_t *smm = vnet_get_session_manager_main ();
- u32 thread_index = s->thread_index;
- u64 enqueue_epoch = smm->current_enqueue_epoch[proto][thread_index];
+ session_manager_worker_t *wrk;
- if (s->enqueue_epoch != enqueue_epoch)
+ wrk = session_manager_get_worker (s->thread_index);
+ if (s->enqueue_epoch != wrk->current_enqueue_epoch[proto])
{
- s->enqueue_epoch = enqueue_epoch;
- vec_add1 (smm->session_to_enqueue[proto][thread_index],
- s->session_index);
+ s->enqueue_epoch = wrk->current_enqueue_epoch[proto];
+ vec_add1 (wrk->session_to_enqueue[proto], s->session_index);
}
}
return enqueued;
int
session_manager_flush_enqueue_events (u8 transport_proto, u32 thread_index)
{
- session_manager_main_t *smm = &session_manager_main;
+ session_manager_worker_t *wrk = session_manager_get_worker (thread_index);
stream_session_t *s;
int i, errors = 0;
u32 *indices;
- indices = smm->session_to_enqueue[transport_proto][thread_index];
+ indices = wrk->session_to_enqueue[transport_proto];
for (i = 0; i < vec_len (indices); i++)
{
}
vec_reset_length (indices);
- smm->session_to_enqueue[transport_proto][thread_index] = indices;
- smm->current_enqueue_epoch[transport_proto][thread_index]++;
+ wrk->session_to_enqueue[transport_proto] = indices;
+ wrk->current_enqueue_epoch[transport_proto]++;
return errors;
}
}
else
{
+ new_s->session_state = SESSION_STATE_CONNECTING;
new_s->app_wrk_index = app_wrk->wrk_index;
new_si = new_s->session_index;
new_ti = new_s->thread_index;
return 0;
}
-void
+int
stream_session_accept_notify (transport_connection_t * tc)
{
app_worker_t *app_wrk;
s = session_get (tc->s_index, tc->thread_index);
app_wrk = app_worker_get_if_valid (s->app_wrk_index);
if (!app_wrk)
- return;
+ return -1;
app = application_get (app_wrk->app_index);
- app->cb_fns.session_accept_callback (s);
+ return app->cb_fns.session_accept_callback (s);
}
/**
case SESSION_STATE_TRANSPORT_CLOSING:
/* If transport finishes or times out before we get a reply
* from the app, do the whole disconnect since we might still
- * have lingering events */
+ * have lingering events. Cleanup session table in advance
+ * because transport will soon be closed and closed sessions
+ * are assumed to have been removed from the lookup table */
+ session_lookup_del_session (s);
stream_session_disconnect (s);
s->session_state = SESSION_STATE_CLOSED;
break;
break;
case SESSION_STATE_CLOSED:
case SESSION_STATE_ACCEPTING:
+ case SESSION_STATE_CLOSED_WAITING:
stream_session_delete (s);
break;
default:
- /* Assume connection was not yet added the lookup table */
- session_free_w_fifos (s);
+ stream_session_delete (s);
break;
}
}
app_worker_t *app_wrk;
application_t *app;
s = session_get (tc->s_index, tc->thread_index);
- s->session_state = SESSION_STATE_CLOSED;
+ svm_fifo_dequeue_drop_all (s->server_tx_fifo);
+ if (s->session_state >= SESSION_STATE_TRANSPORT_CLOSING)
+ return;
+ s->session_state = SESSION_STATE_TRANSPORT_CLOSING;
app_wrk = app_worker_get (s->app_wrk_index);
app = application_get (app_wrk->app_index);
app->cb_fns.session_reset_callback (s);
if (notify)
{
application_t *app = application_get (app_wrk->app_index);
- app->cb_fns.session_accept_callback (s);
+ return app->cb_fns.session_accept_callback (s);
}
return 0;
session_open_cl (u32 app_wrk_index, session_endpoint_t * rmt, u32 opaque)
{
transport_connection_t *tc;
- transport_endpoint_t *tep;
+ transport_endpoint_cfg_t *tep;
segment_manager_t *sm;
app_worker_t *app_wrk;
stream_session_t *s;
application_t *app;
int rv;
- tep = session_endpoint_to_transport (rmt);
+ tep = session_endpoint_to_transport_cfg (rmt);
rv = tp_vfts[rmt->transport_proto].open (tep);
if (rv < 0)
{
session_open_vc (u32 app_wrk_index, session_endpoint_t * rmt, u32 opaque)
{
transport_connection_t *tc;
- transport_endpoint_t *tep;
+ transport_endpoint_cfg_t *tep;
u64 handle;
int rv;
- tep = session_endpoint_to_transport (rmt);
+ tep = session_endpoint_to_transport_cfg (rmt);
rv = tp_vfts[rmt->transport_proto].open (tep);
if (rv < 0)
{
int
session_open_app (u32 app_wrk_index, session_endpoint_t * rmt, u32 opaque)
{
- session_endpoint_extended_t *sep = (session_endpoint_extended_t *) rmt;
+ session_endpoint_cfg_t *sep = (session_endpoint_cfg_t *) rmt;
+ transport_endpoint_cfg_t *tep_cfg = session_endpoint_to_transport_cfg (sep);
+
sep->app_wrk_index = app_wrk_index;
sep->opaque = opaque;
- return tp_vfts[rmt->transport_proto].open ((transport_endpoint_t *) sep);
+ return tp_vfts[rmt->transport_proto].open (tep_cfg);
}
typedef int (*session_open_service_fn) (u32, session_endpoint_t *, u32);
* @param sep Local endpoint to be listened on.
*/
int
-session_listen (stream_session_t * ls, session_endpoint_extended_t * sep)
+session_listen (stream_session_t * ls, session_endpoint_cfg_t * sep)
{
transport_connection_t *tc;
transport_endpoint_t *tep;
stream_session_disconnect (stream_session_t * s)
{
u32 thread_index = vlib_get_thread_index ();
- session_manager_main_t *smm = &session_manager_main;
+ session_manager_worker_t *wrk;
session_event_t *evt;
if (!s)
* held, just append a new event to pending disconnects vector. */
if (vlib_thread_is_main_w_barrier () || thread_index == s->thread_index)
{
- vec_add2 (smm->pending_disconnects[s->thread_index], evt, 1);
- memset (evt, 0, sizeof (*evt));
+ wrk = session_manager_get_worker (s->thread_index);
+ vec_add2 (wrk->pending_disconnects, evt, 1);
+ clib_memset (evt, 0, sizeof (*evt));
evt->session_handle = session_handle (s);
evt->event_type = FIFO_EVENT_DISCONNECT;
}
session_free_w_fifos (s);
return;
}
- s->session_state = SESSION_STATE_CLOSED;
+
+ /* If tx queue wasn't drained, change state to closed waiting for transport.
+ * This way, the transport, if it so wishes, can continue to try sending the
+ * outstanding data (in closed state it cannot). It MUST however at one
+ * point, either after sending everything or after a timeout, call delete
+ * notify. This will finally lead to the complete cleanup of the session.
+ */
+ if (svm_fifo_max_dequeue (s->server_tx_fifo))
+ s->session_state = SESSION_STATE_CLOSED_WAITING;
+ else
+ s->session_state = SESSION_STATE_CLOSED;
+
tp_vfts[session_get_transport_proto (s)].close (s->connection_index,
s->thread_index);
}
else
oldheap = svm_push_data_heap (am->vlib_rp);
- for (i = 0; i < vec_len (smm->vpp_event_queues); i++)
+ for (i = 0; i < vec_len (smm->wrk); i++)
{
svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
- u32 notif_q_size = clib_max (16, evt_q_length >> 4);
svm_msg_q_ring_cfg_t rc[SESSION_MQ_N_RINGS] = {
{evt_q_length, evt_size, 0}
,
- {notif_q_size, 256, 0}
+ {evt_q_length << 1, 256, 0}
};
cfg->consumer_pid = 0;
cfg->n_rings = 2;
cfg->q_nitems = evt_q_length;
cfg->ring_cfgs = rc;
- smm->vpp_event_queues[i] = svm_msg_q_alloc (cfg);
+ smm->wrk[i].vpp_event_queue = svm_msg_q_alloc (cfg);
if (smm->evt_qs_use_memfd_seg)
{
- if (svm_msg_q_alloc_consumer_eventfd (smm->vpp_event_queues[i]))
+ if (svm_msg_q_alloc_consumer_eventfd (smm->wrk[i].vpp_event_queue))
clib_warning ("eventfd returned");
}
}
session_manager_main_t *smm = &session_manager_main;
vlib_thread_main_t *vtm = vlib_get_thread_main ();
u32 num_threads, preallocated_sessions_per_worker;
+ session_manager_worker_t *wrk;
int i, j;
num_threads = 1 /* main thread */ + vtm->n_threads;
if (num_threads < 1)
return clib_error_return (0, "n_thread_stacks not set");
- /* configure per-thread ** vectors */
- vec_validate (smm->sessions, num_threads - 1);
- vec_validate (smm->tx_buffers, num_threads - 1);
- vec_validate (smm->pending_event_vector, num_threads - 1);
- vec_validate (smm->pending_disconnects, num_threads - 1);
- vec_validate (smm->free_event_vector, num_threads - 1);
- vec_validate (smm->vpp_event_queues, num_threads - 1);
- vec_validate (smm->peekers_rw_locks, num_threads - 1);
- vec_validate_aligned (smm->ctx, num_threads - 1, CLIB_CACHE_LINE_BYTES);
+ /* Allocate cache line aligned worker contexts */
+ vec_validate_aligned (smm->wrk, num_threads - 1, CLIB_CACHE_LINE_BYTES);
for (i = 0; i < TRANSPORT_N_PROTO; i++)
{
- vec_validate (smm->current_enqueue_epoch[i], num_threads - 1);
- vec_validate (smm->session_to_enqueue[i], num_threads - 1);
for (j = 0; j < num_threads; j++)
- smm->current_enqueue_epoch[i][j] = 1;
+ smm->wrk[j].current_enqueue_epoch[i] = 1;
}
for (i = 0; i < num_threads; i++)
{
- vec_validate (smm->free_event_vector[i], 0);
- _vec_len (smm->free_event_vector[i]) = 0;
- vec_validate (smm->pending_event_vector[i], 0);
- _vec_len (smm->pending_event_vector[i]) = 0;
- vec_validate (smm->pending_disconnects[i], 0);
- _vec_len (smm->pending_disconnects[i]) = 0;
+ wrk = &smm->wrk[i];
+ vec_validate (wrk->free_event_vector, 128);
+ _vec_len (wrk->free_event_vector) = 0;
+ vec_validate (wrk->pending_event_vector, 128);
+ _vec_len (wrk->pending_event_vector) = 0;
+ vec_validate (wrk->pending_disconnects, 128);
+ _vec_len (wrk->pending_disconnects) = 0;
+ vec_validate (wrk->postponed_event_vector, 128);
+ _vec_len (wrk->postponed_event_vector) = 0;
+
+ wrk->last_vlib_time = vlib_time_now (vlib_mains[i]);
+ wrk->dispatch_period = 500e-6;
+
if (num_threads > 1)
- clib_rwlock_init (&smm->peekers_rw_locks[i]);
+ clib_rwlock_init (&smm->wrk[i].peekers_rw_locks);
}
#if SESSION_DEBUG
{
if (num_threads == 1)
{
- pool_init_fixed (smm->sessions[0], smm->preallocated_sessions);
+ pool_init_fixed (smm->wrk[0].sessions, smm->preallocated_sessions);
}
else
{
for (j = 1; j < num_threads; j++)
{
- pool_init_fixed (smm->sessions[j],
+ pool_init_fixed (smm->wrk[j].sessions,
preallocated_sessions_per_worker);
}
}
/* Enable transports */
transport_enable_disable (vm, 1);
-
+ transport_init_tx_pacers_period ();
return 0;
}
Code Review / vpp.git / blobdiff