app_worker_alloc (application_t * app)
{
app_worker_t *app_wrk;
+
pool_get (app_workers, app_wrk);
clib_memset (app_wrk, 0, sizeof (*app_wrk));
app_wrk->wrk_index = app_wrk - app_workers;
app_wrk->app_index = app->app_index;
app_wrk->wrk_map_index = ~0;
app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- app_wrk->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
+ clib_spinlock_init (&app_wrk->detached_seg_managers_lock);
+ vec_validate (app_wrk->wrk_evts, vlib_num_workers ());
+ vec_validate (app_wrk->wrk_mq_congested, vlib_num_workers ());
APP_DBG ("New app %v worker %u", app->name, app_wrk->wrk_index);
return app_wrk;
}
{
application_t *app = application_get (app_wrk->app_index);
vnet_unlisten_args_t _a, *a = &_a;
- u64 handle, *handles = 0;
+ u64 handle, *handles = 0, *sm_indices = 0;
segment_manager_t *sm;
+ session_handle_t *sh;
session_t *ls;
u32 sm_index;
int i;
+ /*
+ * Cleanup vpp wrk events
+ */
+ app_worker_del_all_events (app_wrk);
+ for (i = 0; i < vec_len (app_wrk->wrk_evts); i++)
+ clib_fifo_free (app_wrk->wrk_evts[i]);
+
+ vec_free (app_wrk->wrk_evts);
+ vec_free (app_wrk->wrk_mq_congested);
+
/*
* Listener cleanup
*/
- /* *INDENT-OFF* */
hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
ls = listen_session_get_from_handle (handle);
vec_add1 (handles, app_listen_session_handle (ls));
+ vec_add1 (sm_indices, sm_index);
sm = segment_manager_get (sm_index);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
}));
- /* *INDENT-ON* */
-
- hash_free (app_wrk->listeners_table);
for (i = 0; i < vec_len (handles); i++)
{
+ /* Cleanup listener */
a->app_index = app->app_index;
a->wrk_map_index = app_wrk->wrk_map_index;
a->handle = handles[i];
- /* seg manager is removed when unbind completes */
(void) vnet_unlisten (a);
+
+ sm = segment_manager_get_if_valid (sm_indices[i]);
+ if (sm && !segment_manager_app_detached (sm))
+ {
+ sm->first_is_protected = 0;
+ segment_manager_init_free (sm);
+ }
}
- vec_reset_length (handles);
+ vec_free (handles);
+ vec_free (sm_indices);
+ hash_free (app_wrk->listeners_table);
/*
* Connects segment manager cleanup
* Half-open cleanup
*/
- for (i = 0; i < vec_len (app_wrk->half_open_table); i++)
- {
- if (!app_wrk->half_open_table[i])
- continue;
-
- /* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app_wrk->half_open_table[i], ({
- vec_add1 (handles, handle);
- }));
- /* *INDENT-ON* */
-
- for (i = 0; i < vec_len (handles); i++)
- session_cleanup_half_open (i, handles[i]);
+ pool_foreach (sh, app_wrk->half_open_table)
+ session_cleanup_half_open (*sh);
- hash_free (app_wrk->half_open_table[i]);
- vec_reset_length (handles);
- }
-
- vec_free (app_wrk->half_open_table);
- vec_free (handles);
+ pool_free (app_wrk->half_open_table);
- /* If first segment manager is used by a listener */
- if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
- && app_wrk->first_segment_manager != app_wrk->connects_seg_manager)
+ /*
+ * Detached listener segment managers cleanup
+ */
+ for (i = 0; i < vec_len (app_wrk->detached_seg_managers); i++)
{
- sm = segment_manager_get (app_wrk->first_segment_manager);
- sm->first_is_protected = 0;
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- /* .. and has no fifos, e.g. it might be used for redirected sessions,
- * remove it */
- if (!segment_manager_has_fifos (sm))
- segment_manager_free (sm);
+ sm = segment_manager_get (app_wrk->detached_seg_managers[i]);
+ segment_manager_init_free (sm);
}
+ vec_free (app_wrk->detached_seg_managers);
+ clib_spinlock_free (&app_wrk->detached_seg_managers_lock);
if (CLIB_DEBUG)
clib_memset (app_wrk, 0xfe, sizeof (*app_wrk));
static segment_manager_t *
app_worker_alloc_segment_manager (app_worker_t * app_wrk)
{
- segment_manager_t *sm = 0;
-
- /* If the first segment manager is not in use, don't allocate a new one */
- if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
- && app_wrk->first_segment_manager_in_use == 0)
- {
- sm = segment_manager_get (app_wrk->first_segment_manager);
- app_wrk->first_segment_manager_in_use = 1;
- return sm;
- }
+ segment_manager_t *sm;
sm = segment_manager_alloc ();
sm->app_wrk_index = app_wrk->wrk_index;
-
+ segment_manager_init (sm);
return sm;
}
&rx_fifo, &tx_fifo)))
return rv;
- rx_fifo->master_session_index = s->session_index;
+ rx_fifo->shr->master_session_index = s->session_index;
rx_fifo->master_thread_index = s->thread_index;
- tx_fifo->master_session_index = s->session_index;
+ tx_fifo->shr->master_session_index = s->session_index;
tx_fifo->master_thread_index = s->thread_index;
s->rx_fifo = rx_fifo;
return 0;
}
+int
+app_worker_alloc_wrk_cl_session (app_worker_t *app_wrk, session_t *ls)
+{
+ svm_fifo_t *rx_fifo = 0, *tx_fifo = 0;
+ segment_manager_t *sm;
+ session_handle_t lsh;
+ app_listener_t *al;
+ session_t *s;
+
+ al = app_listener_get (ls->al_index);
+ sm = app_worker_get_listen_segment_manager (app_wrk, ls);
+ lsh = session_handle (ls);
+
+ s = session_alloc (0 /* listener on main worker */);
+ session_set_state (s, SESSION_STATE_LISTENING);
+ s->flags |= SESSION_F_IS_CLESS;
+ s->app_wrk_index = app_wrk->wrk_index;
+ ls = session_get_from_handle (lsh);
+ s->session_type = ls->session_type;
+ s->connection_index = ls->connection_index;
+
+ segment_manager_alloc_session_fifos (sm, s->thread_index, &rx_fifo,
+ &tx_fifo);
+
+ rx_fifo->shr->master_session_index = s->session_index;
+ rx_fifo->master_thread_index = s->thread_index;
+
+ tx_fifo->shr->master_session_index = s->session_index;
+ tx_fifo->master_thread_index = s->thread_index;
+
+ s->rx_fifo = rx_fifo;
+ s->tx_fifo = tx_fifo;
+
+ vec_validate (al->cl_listeners, app_wrk->wrk_map_index);
+ al->cl_listeners[app_wrk->wrk_map_index] = s->session_index;
+
+ return 0;
+}
+
+void
+app_worker_free_wrk_cl_session (app_worker_t *app_wrk, session_t *ls)
+{
+ app_listener_t *al;
+ session_t *s;
+
+ al = app_listener_get (ls->al_index);
+
+ s = app_listener_get_wrk_cl_session (al, app_wrk->wrk_map_index);
+ segment_manager_dealloc_fifos (s->rx_fifo, s->tx_fifo);
+ session_free (s);
+
+ al->cl_listeners[app_wrk->wrk_map_index] = SESSION_INVALID_INDEX;
+}
+
int
app_worker_init_listener (app_worker_t * app_wrk, session_t * ls)
{
segment_manager_t *sm;
/* Allocate segment manager. All sessions derived out of a listen session
- * have fifos allocated by the same segment manager. */
+ * have fifos allocated by the same segment manager.
+ * TODO(fcoras): limit memory consumption by cless listeners */
if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
return SESSION_E_ALLOC;
+ /* Once the first segment is mapped, don't remove it until unlisten */
+ sm->first_is_protected = 1;
+
/* Keep track of the segment manager for the listener or this worker */
hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
segment_manager_index (sm));
- if (transport_connection_is_cless (session_get_transport (ls)))
- {
- if (ls->rx_fifo)
- return SESSION_E_NOSUPPORT;
- return app_worker_alloc_session_fifos (sm, ls);
- }
+ if (ls->flags & SESSION_F_IS_CLESS)
+ return app_worker_alloc_wrk_cl_session (app_wrk, ls);
+
return 0;
}
-int
-app_worker_start_listen (app_worker_t * app_wrk,
- app_listener_t * app_listener)
+session_error_t
+app_worker_start_listen (app_worker_t *app_wrk, app_listener_t *app_listener)
{
session_t *ls;
int rv;
return 0;
}
+static void
+app_worker_add_detached_sm (app_worker_t * app_wrk, u32 sm_index)
+{
+ vec_add1 (app_wrk->detached_seg_managers, sm_index);
+}
+
+void
+app_worker_del_detached_sm (app_worker_t * app_wrk, u32 sm_index)
+{
+ u32 i;
+
+ clib_spinlock_lock (&app_wrk->detached_seg_managers_lock);
+ for (i = 0; i < vec_len (app_wrk->detached_seg_managers); i++)
+ {
+ if (app_wrk->detached_seg_managers[i] == sm_index)
+ {
+ vec_del1 (app_wrk->detached_seg_managers, i);
+ break;
+ }
+ }
+ clib_spinlock_unlock (&app_wrk->detached_seg_managers_lock);
+}
+
static void
app_worker_stop_listen_session (app_worker_t * app_wrk, session_t * ls)
{
session_handle_t handle;
segment_manager_t *sm;
uword *sm_indexp;
+ session_state_t *states = 0;
handle = listen_session_get_handle (ls);
sm_indexp = hash_get (app_wrk->listeners_table, handle);
if (PREDICT_FALSE (!sm_indexp))
return;
- /* Dealloc fifos, if any (dgram listeners) */
- if (ls->rx_fifo)
- {
- segment_manager_dealloc_fifos (ls->rx_fifo, ls->tx_fifo);
- ls->tx_fifo = ls->rx_fifo = 0;
- }
+ if (ls->flags & SESSION_F_IS_CLESS)
+ app_worker_free_wrk_cl_session (app_wrk, ls);
/* Try to cleanup segment manager */
sm = segment_manager_get (*sm_indexp);
- if (sm && app_wrk->first_segment_manager != *sm_indexp)
+ if (sm)
{
+ sm->first_is_protected = 0;
segment_manager_app_detach (sm);
if (!segment_manager_has_fifos (sm))
- segment_manager_free (sm);
+ {
+ /* Empty segment manager, cleanup it up */
+ segment_manager_free (sm);
+ }
+ else
+ {
+ /* Delete sessions in CREATED state */
+ vec_add1 (states, SESSION_STATE_CREATED);
+ segment_manager_del_sessions_filter (sm, states);
+ vec_free (states);
+
+ /* Track segment manager in case app detaches and all the
+ * outstanding sessions need to be closed */
+ app_worker_add_detached_sm (app_wrk, *sm_indexp);
+ sm->flags |= SEG_MANAGER_F_DETACHED_LISTENER;
+ }
}
hash_unset (app_wrk->listeners_table, handle);
listener = listen_session_get_from_handle (s->listener_handle);
app_wrk = application_listener_select_worker (listener);
- s->app_wrk_index = app_wrk->wrk_index;
+ if (PREDICT_FALSE (app_worker_mq_is_congested (app_wrk)))
+ return -1;
+ s->app_wrk_index = app_wrk->wrk_index;
app = application_get (app_wrk->app_index);
if (app->cb_fns.fifo_tuning_callback)
s->flags |= SESSION_F_CUSTOM_FIFO_TUNING;
return 0;
}
+int
+app_worker_listened_notify (app_worker_t *app_wrk, session_handle_t alsh,
+ u32 opaque, session_error_t err)
+{
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_BOUND,
+ .as_u64[0] = alsh,
+ .as_u64[1] = (u64) opaque << 32 | (u32) err };
+
+ app_worker_add_event_custom (app_wrk, 0 /* thread index */, &evt);
+
+ return 0;
+}
+
+int
+app_worker_unlisten_reply (app_worker_t *app_wrk, session_handle_t sh,
+ u32 opaque, session_error_t err)
+{
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY,
+ .as_u64[0] = sh,
+ .as_u64[1] = (u64) opaque << 32 | (u32) err };
+
+ app_worker_add_event_custom (app_wrk, 0 /* thread index */, &evt);
+ return 0;
+}
+
int
app_worker_accept_notify (app_worker_t * app_wrk, session_t * s)
{
- application_t *app = application_get (app_wrk->app_index);
- return app->cb_fns.session_accept_callback (s);
+ app_worker_add_event (app_wrk, s, SESSION_CTRL_EVT_ACCEPTED);
+ return 0;
}
int
application_t *app = application_get (app_wrk->app_index);
segment_manager_t *sm;
- /* Allocate fifos for session, unless the app is a builtin proxy */
- if (!application_is_builtin_proxy (app))
- {
- sm = app_worker_get_connect_segment_manager (app_wrk);
- return app_worker_alloc_session_fifos (sm, s);
- }
-
if (app->cb_fns.fifo_tuning_callback)
s->flags |= SESSION_F_CUSTOM_FIFO_TUNING;
- return 0;
+ /* Allocate fifos for session, unless the app is a builtin proxy */
+ if (application_is_builtin_proxy (app))
+ return app->cb_fns.proxy_alloc_session_fifos (s);
+
+ sm = app_worker_get_connect_segment_manager (app_wrk);
+ return app_worker_alloc_session_fifos (sm, s);
}
int
app_worker_connect_notify (app_worker_t * app_wrk, session_t * s,
session_error_t err, u32 opaque)
{
- application_t *app = application_get (app_wrk->app_index);
- return app->cb_fns.session_connected_callback (app_wrk->wrk_index, opaque,
- s, err);
-}
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_CONNECTED,
+ .as_u64[0] = s ? s->session_index : ~0,
+ .as_u64[1] = (u64) opaque << 32 | (u32) err };
+ u32 thread_index = s ? s->thread_index : vlib_get_thread_index ();
-int
-app_worker_add_half_open (app_worker_t * app_wrk, transport_proto_t tp,
- session_handle_t ho_handle,
- session_handle_t wrk_handle)
-{
- ASSERT (vlib_get_thread_index () == 0);
- vec_validate (app_wrk->half_open_table, tp);
- hash_set (app_wrk->half_open_table[tp], ho_handle, wrk_handle);
+ app_worker_add_event_custom (app_wrk, thread_index, &evt);
return 0;
}
int
-app_worker_del_half_open (app_worker_t * app_wrk, transport_proto_t tp,
- session_handle_t ho_handle)
+app_worker_add_half_open (app_worker_t *app_wrk, session_handle_t sh)
{
- ASSERT (vlib_get_thread_index () == 0);
- hash_unset (app_wrk->half_open_table[tp], ho_handle);
- return 0;
-}
+ session_handle_t *shp;
-u64
-app_worker_lookup_half_open (app_worker_t * app_wrk, transport_proto_t tp,
- session_handle_t ho_handle)
-{
- u64 *ho_wrk_handlep;
+ ASSERT (session_vlib_thread_is_cl_thread ());
+ pool_get (app_wrk->half_open_table, shp);
+ *shp = sh;
- /* No locking because all updates are done from main thread */
- ho_wrk_handlep = hash_get (app_wrk->half_open_table[tp], ho_handle);
- if (!ho_wrk_handlep)
- return SESSION_INVALID_HANDLE;
+ return (shp - app_wrk->half_open_table);
+}
- return *ho_wrk_handlep;
+int
+app_worker_del_half_open (app_worker_t *app_wrk, session_t *s)
+{
+ app_worker_add_event (app_wrk, s, SESSION_CTRL_EVT_HALF_CLEANUP);
+ return 0;
}
int
app_worker_close_notify (app_worker_t * app_wrk, session_t * s)
{
- application_t *app = application_get (app_wrk->app_index);
- app->cb_fns.session_disconnect_callback (s);
+ app_worker_add_event (app_wrk, s, SESSION_CTRL_EVT_DISCONNECTED);
return 0;
}
int
app_worker_transport_closed_notify (app_worker_t * app_wrk, session_t * s)
{
- application_t *app = application_get (app_wrk->app_index);
- if (app->cb_fns.session_transport_closed_callback)
- app->cb_fns.session_transport_closed_callback (s);
+ app_worker_add_event (app_wrk, s, SESSION_CTRL_EVT_TRANSPORT_CLOSED);
return 0;
}
int
app_worker_reset_notify (app_worker_t * app_wrk, session_t * s)
{
- application_t *app = application_get (app_wrk->app_index);
- app->cb_fns.session_reset_callback (s);
+ app_worker_add_event (app_wrk, s, SESSION_CTRL_EVT_RESET);
return 0;
}
app_worker_cleanup_notify (app_worker_t * app_wrk, session_t * s,
session_cleanup_ntf_t ntf)
{
- application_t *app = application_get (app_wrk->app_index);
- if (app->cb_fns.session_cleanup_callback)
- app->cb_fns.session_cleanup_callback (s, ntf);
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_CLEANUP,
+ .as_u64[0] = (u64) ntf << 32 | s->session_index,
+ .as_u64[1] = pointer_to_uword (session_cleanup) };
+
+ app_worker_add_event_custom (app_wrk, s->thread_index, &evt);
+
return 0;
}
int
-app_worker_builtin_rx (app_worker_t * app_wrk, session_t * s)
+app_worker_cleanup_notify_custom (app_worker_t *app_wrk, session_t *s,
+ session_cleanup_ntf_t ntf,
+ void (*cleanup_cb) (session_t *s))
{
- application_t *app = application_get (app_wrk->app_index);
- app->cb_fns.builtin_app_rx_callback (s);
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_CLEANUP,
+ .as_u64[0] = (u64) ntf << 32 | s->session_index,
+ .as_u64[1] = pointer_to_uword (cleanup_cb) };
+
+ app_worker_add_event_custom (app_wrk, s->thread_index, &evt);
+
return 0;
}
int
-app_worker_builtin_tx (app_worker_t * app_wrk, session_t * s)
+app_worker_rx_notify (app_worker_t *app_wrk, session_t *s)
{
- application_t *app = application_get (app_wrk->app_index);
-
- if (!app->cb_fns.builtin_app_tx_callback)
- return 0;
-
- app->cb_fns.builtin_app_tx_callback (s);
+ app_worker_add_event (app_wrk, s, SESSION_IO_EVT_RX);
return 0;
}
app_worker_migrate_notify (app_worker_t * app_wrk, session_t * s,
session_handle_t new_sh)
{
- application_t *app = application_get (app_wrk->app_index);
- app->cb_fns.session_migrate_callback (s, new_sh);
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_MIGRATED,
+ .as_u64[0] = s->session_index,
+ .as_u64[1] = new_sh };
+
+ app_worker_add_event_custom (app_wrk, s->thread_index, &evt);
return 0;
}
{
segment_manager_t *sm;
svm_fifo_t *rxf, *txf;
+ int rv;
if (s->session_state == SESSION_STATE_LISTENING)
return application_change_listener_owner (s, app_wrk);
s->rx_fifo = 0;
s->tx_fifo = 0;
- sm = app_worker_get_or_alloc_connect_segment_manager (app_wrk);
- if (app_worker_alloc_session_fifos (sm, s))
- return -1;
+ sm = app_worker_get_connect_segment_manager (app_wrk);
+ if ((rv = app_worker_alloc_session_fifos (sm, s)))
+ return rv;
if (!svm_fifo_is_empty_cons (rxf))
svm_fifo_clone (s->rx_fifo, rxf);
}
int
-app_worker_connect_session (app_worker_t * app, session_endpoint_t * sep,
- u32 api_context)
+app_worker_connect_session (app_worker_t *app_wrk, session_endpoint_cfg_t *sep,
+ session_handle_t *rsh)
{
- int rv;
-
- /* Make sure we have a segment manager for connects */
- app_worker_alloc_connects_segment_manager (app);
+ if (PREDICT_FALSE (app_worker_mq_is_congested (app_wrk)))
+ return SESSION_E_REFUSED;
- if ((rv = session_open (app->wrk_index, sep, api_context)))
- return rv;
+ sep->app_wrk_index = app_wrk->wrk_index;
- return 0;
+ return session_open (sep, rsh);
}
int
return app->cb_fns.fifo_tuning_callback (s, f, act, len);
}
-int
-app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
-{
- segment_manager_t *sm;
-
- if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
- {
- sm = app_worker_alloc_segment_manager (app_wrk);
- if (sm == 0)
- return -1;
- app_wrk->connects_seg_manager = segment_manager_index (sm);
- }
- return 0;
-}
-
segment_manager_t *
app_worker_get_connect_segment_manager (app_worker_t * app)
{
return segment_manager_get (app->connects_seg_manager);
}
-segment_manager_t *
-app_worker_get_or_alloc_connect_segment_manager (app_worker_t * app_wrk)
-{
- if (app_wrk->connects_seg_manager == (u32) ~ 0)
- app_worker_alloc_connects_segment_manager (app_wrk);
- return segment_manager_get (app_wrk->connects_seg_manager);
-}
-
segment_manager_t *
app_worker_get_listen_segment_manager (app_worker_t * app,
session_t * listener)
sst = session_type_from_proto_and_ip (transport_proto,
fib_proto == FIB_PROTOCOL_IP4);
- /* *INDENT-OFF* */
hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
listener = listen_session_get_from_handle (handle);
if (listener->session_type == sst
&& !(listener->flags & SESSION_F_PROXY))
return listener;
}));
- /* *INDENT-ON* */
return 0;
}
sst = session_type_from_proto_and_ip (transport_proto,
fib_proto == FIB_PROTOCOL_IP4);
- /* *INDENT-OFF* */
hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
listener = listen_session_get_from_handle (handle);
if (listener->session_type == sst && (listener->flags & SESSION_F_PROXY))
return listener;
}));
- /* *INDENT-ON* */
return 0;
}
int
app_worker_add_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
{
- application_t *app = application_get (app_wrk->app_index);
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT,
+ .as_u64[1] = segment_handle };
+
+ app_worker_add_event_custom (app_wrk, vlib_get_thread_index (), &evt);
- return app->cb_fns.add_segment_callback (app_wrk->wrk_index,
- segment_handle);
+ return 0;
}
int
app_worker_del_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
{
- application_t *app = application_get (app_wrk->app_index);
- return app->cb_fns.del_segment_callback (app_wrk->wrk_index,
- segment_handle);
-}
+ session_event_t evt = { .event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT,
+ .as_u64[1] = segment_handle };
-static inline u8
-app_worker_application_is_builtin (app_worker_t * app_wrk)
-{
- return app_wrk->app_is_builtin;
+ app_worker_add_event_custom (app_wrk, vlib_get_thread_index (), &evt);
+
+ return 0;
}
-static inline int
-app_send_io_evt_rx (app_worker_t * app_wrk, session_t * s)
+static int
+app_wrk_send_fd (app_worker_t *app_wrk, int fd)
{
- session_event_t *evt;
- svm_msg_q_msg_t msg;
- svm_msg_q_t *mq;
+ if (!appns_sapi_enabled ())
+ {
+ vl_api_registration_t *reg;
+ clib_error_t *error;
+
+ reg =
+ vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
+ if (!reg)
+ {
+ clib_warning ("no api registration for client: %u",
+ app_wrk->api_client_index);
+ return -1;
+ }
+
+ if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
+ return -1;
- if (app_worker_application_is_builtin (app_wrk))
- return app_worker_builtin_rx (app_wrk, s);
+ error = vl_api_send_fd_msg (reg, &fd, 1);
+ if (error)
+ {
+ clib_error_report (error);
+ return -1;
+ }
- if (svm_fifo_has_event (s->rx_fifo))
- return 0;
+ return 0;
+ }
- mq = app_wrk->event_queue;
- svm_msg_q_lock (mq);
+ app_sapi_msg_t smsg = { 0 };
+ app_namespace_t *app_ns;
+ clib_error_t *error;
+ application_t *app;
+ clib_socket_t *cs;
+ u32 cs_index;
- if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
- {
- clib_warning ("evt q full");
- svm_msg_q_unlock (mq);
- return -1;
- }
+ app = application_get (app_wrk->app_index);
+ app_ns = app_namespace_get (app->ns_index);
+ cs_index = appns_sapi_handle_sock_index (app_wrk->api_client_index);
+ cs = appns_sapi_get_socket (app_ns, cs_index);
+ if (PREDICT_FALSE (!cs))
+ return -1;
- if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
+ /* There's no payload for the message only the type */
+ smsg.type = APP_SAPI_MSG_TYPE_SEND_FDS;
+ error = clib_socket_sendmsg (cs, &smsg, sizeof (smsg), &fd, 1);
+ if (error)
{
- clib_warning ("evt q rings full");
- svm_msg_q_unlock (mq);
+ clib_error_report (error);
return -1;
}
- msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
- evt->session_index = s->rx_fifo->client_session_index;
- evt->event_type = SESSION_IO_EVT_RX;
-
- (void) svm_fifo_set_event (s->rx_fifo);
- svm_msg_q_add_and_unlock (mq, &msg);
-
return 0;
}
-static inline int
-app_send_io_evt_tx (app_worker_t * app_wrk, session_t * s)
+void
+app_worker_add_event (app_worker_t *app_wrk, session_t *s,
+ session_evt_type_t evt_type)
{
- svm_msg_q_t *mq;
session_event_t *evt;
- svm_msg_q_msg_t msg;
- if (app_worker_application_is_builtin (app_wrk))
- return app_worker_builtin_tx (app_wrk, s);
+ ASSERT (s->thread_index == vlib_get_thread_index ());
+ clib_fifo_add2 (app_wrk->wrk_evts[s->thread_index], evt);
+ evt->session_index = s->session_index;
+ evt->event_type = evt_type;
+ evt->postponed = 0;
- mq = app_wrk->event_queue;
- svm_msg_q_lock (mq);
-
- if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
+ /* First event for this app_wrk. Schedule it for handling in session input */
+ if (clib_fifo_elts (app_wrk->wrk_evts[s->thread_index]) == 1)
{
- clib_warning ("evt q full");
- svm_msg_q_unlock (mq);
- return -1;
+ session_worker_t *wrk = session_main_get_worker (s->thread_index);
+ session_wrk_program_app_wrk_evts (wrk, app_wrk->wrk_index);
}
+}
- if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
+void
+app_worker_add_event_custom (app_worker_t *app_wrk, u32 thread_index,
+ session_event_t *evt)
+{
+ clib_fifo_add1 (app_wrk->wrk_evts[thread_index], *evt);
+
+ /* First event for this app_wrk. Schedule it for handling in session input */
+ if (clib_fifo_elts (app_wrk->wrk_evts[thread_index]) == 1)
{
- clib_warning ("evt q rings full");
- svm_msg_q_unlock (mq);
- return -1;
+ session_worker_t *wrk = session_main_get_worker (thread_index);
+ session_wrk_program_app_wrk_evts (wrk, app_wrk->wrk_index);
}
+}
- msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
- evt->event_type = SESSION_IO_EVT_TX;
- evt->session_index = s->tx_fifo->client_session_index;
+always_inline void
+app_wrk_send_ctrl_evt_inline (app_worker_t *app_wrk, u8 evt_type, void *msg,
+ u32 msg_len, int fd)
+{
+ svm_msg_q_msg_t _mq_msg, *mq_msg = &_mq_msg;
+ svm_msg_q_t *mq = app_wrk->event_queue;
+ session_event_t *evt;
- svm_msg_q_add_and_unlock (mq, &msg);
- return 0;
+ ASSERT (!svm_msg_q_or_ring_is_full (mq, SESSION_MQ_CTRL_EVT_RING));
+ *mq_msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_CTRL_EVT_RING);
+
+ evt = svm_msg_q_msg_data (mq, mq_msg);
+ clib_memset (evt, 0, sizeof (*evt));
+ evt->event_type = evt_type;
+ clib_memcpy_fast (evt->data, msg, msg_len);
+
+ if (fd != -1)
+ app_wrk_send_fd (app_wrk, fd);
+
+ svm_msg_q_add_raw (mq, mq_msg);
}
-/* *INDENT-OFF* */
-typedef int (app_send_evt_handler_fn) (app_worker_t *app,
- session_t *s);
-static app_send_evt_handler_fn * const app_send_evt_handler_fns[2] = {
- app_send_io_evt_rx,
- app_send_io_evt_tx,
-};
-/* *INDENT-ON* */
+void
+app_wrk_send_ctrl_evt_fd (app_worker_t *app_wrk, u8 evt_type, void *msg,
+ u32 msg_len, int fd)
+{
+ app_wrk_send_ctrl_evt_inline (app_wrk, evt_type, msg, msg_len, fd);
+}
-/**
- * Send event to application
- *
- * Logic from queue perspective is blocking. However, if queue is full,
- * we return.
- */
-int
-app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
- u8 evt_type)
+void
+app_wrk_send_ctrl_evt (app_worker_t *app_wrk, u8 evt_type, void *msg,
+ u32 msg_len)
{
- return app_send_evt_handler_fns[evt_type] (app, s);
+ app_wrk_send_ctrl_evt_inline (app_wrk, evt_type, msg, msg_len, -1);
+}
+
+u8
+app_worker_mq_wrk_is_congested (app_worker_t *app_wrk, u32 thread_index)
+{
+ return app_wrk->wrk_mq_congested[thread_index] > 0;
+}
+
+void
+app_worker_set_mq_wrk_congested (app_worker_t *app_wrk, u32 thread_index)
+{
+ clib_atomic_fetch_add_relax (&app_wrk->mq_congested, 1);
+ ASSERT (thread_index == vlib_get_thread_index ());
+ app_wrk->wrk_mq_congested[thread_index] = 1;
+}
+
+void
+app_worker_unset_wrk_mq_congested (app_worker_t *app_wrk, u32 thread_index)
+{
+ clib_atomic_fetch_sub_relax (&app_wrk->mq_congested, 1);
+ ASSERT (thread_index == vlib_get_thread_index ());
+ app_wrk->wrk_mq_congested[thread_index] = 0;
}
u8 *
if (!app_wrk)
{
if (verbose)
- s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
- "Wrk", "API Client", "ListenerID", "SegManager");
+ s = format (s, "%-" SESSION_CLI_ID_LEN "s%-25s%-10s%-15s%-15s%-10s",
+ "Connection", "App", "Wrk", "API Client", "ListenerID",
+ "SegManager");
else
- s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
+ s = format (s, "%-" SESSION_CLI_ID_LEN "s%-25s%-10s", "Connection",
+ "App", "Wrk");
return s;
}
{
u8 *buf;
buf = format (0, "%u(%u)", app_wrk->wrk_map_index, app_wrk->wrk_index);
- s = format (s, "%-40s%-25s%=10v%-15u%-15u%-10u", str, app_name,
- buf, app_wrk->api_client_index, handle, sm_index);
+ s = format (s, "%-" SESSION_CLI_ID_LEN "v%-25v%-10v%-15u%-15u%-10u", str,
+ app_name, buf, app_wrk->api_client_index, handle, sm_index);
vec_free (buf);
}
else
- s = format (s, "%-40s%-25s%=10u", str, app_name, app_wrk->wrk_map_index);
+ s = format (s, "%-" SESSION_CLI_ID_LEN "v%-25v%=10u", str, app_name,
+ app_wrk->wrk_map_index);
+
+ vec_free (str);
return s;
}
app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
u32 indent = 1;
- s = format (s, "%U wrk-index %u app-index %u map-index %u "
- "api-client-index %d\n", format_white_space, indent,
- app_wrk->wrk_index, app_wrk->app_index, app_wrk->wrk_map_index,
- app_wrk->api_client_index);
+ s = format (s,
+ "%U wrk-index %u app-index %u map-index %u "
+ "api-client-index %d mq-cong %u\n",
+ format_white_space, indent, app_wrk->wrk_index,
+ app_wrk->app_index, app_wrk->wrk_map_index,
+ app_wrk->api_client_index, app_wrk->mq_congested);
return s;
}