#include <vnet/session/application.h>
#include <vnet/session/application_interface.h>
+#include <vnet/session/session.h>
/**
* Pool of workers associated to apps
*/
static app_worker_t *app_workers;
-static inline u64
-application_client_local_connect_key (local_session_t * ls)
-{
- return (((u64) ls->app_wrk_index) << 32 | (u64) ls->session_index);
-}
-
-static inline void
-application_client_local_connect_key_parse (u64 key, u32 * app_wrk_index,
- u32 * session_index)
-{
- *app_wrk_index = key >> 32;
- *session_index = key & 0xFFFFFFFF;
-}
-
-local_session_t *
-app_worker_local_session_alloc (app_worker_t * app_wrk)
-{
- local_session_t *s;
- pool_get (app_wrk->local_sessions, s);
- clib_memset (s, 0, sizeof (*s));
- s->app_wrk_index = app_wrk->wrk_index;
- s->session_index = s - app_wrk->local_sessions;
- s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
- return s;
-}
-
-void
-app_worker_local_session_free (app_worker_t * app_wrk, local_session_t * s)
-{
- pool_put (app_wrk->local_sessions, s);
- if (CLIB_DEBUG)
- clib_memset (s, 0xfc, sizeof (*s));
-}
-
-local_session_t *
-app_worker_get_local_session (app_worker_t * app_wrk, u32 session_index)
-{
- if (pool_is_free_index (app_wrk->local_sessions, session_index))
- return 0;
- return pool_elt_at_index (app_wrk->local_sessions, session_index);
-}
-
-local_session_t *
-app_worker_get_local_session_from_handle (session_handle_t handle)
-{
- app_worker_t *server_wrk;
- u32 session_index, server_wrk_index;
- local_session_parse_handle (handle, &server_wrk_index, &session_index);
- server_wrk = app_worker_get_if_valid (server_wrk_index);
- if (!server_wrk)
- return 0;
- return app_worker_get_local_session (server_wrk, session_index);
-}
-
-void
-app_worker_local_sessions_free (app_worker_t * app_wrk)
-{
- u32 index, server_wrk_index, session_index;
- u64 handle, *handles = 0;
- app_worker_t *server_wrk;
- segment_manager_t *sm;
- local_session_t *ls;
- int i;
-
- /*
- * Local sessions
- */
- if (app_wrk->local_sessions)
- {
- /* *INDENT-OFF* */
- pool_foreach (ls, app_wrk->local_sessions, ({
- app_worker_local_session_disconnect (app_wrk->wrk_index, ls);
- }));
- /* *INDENT-ON* */
- }
-
- /*
- * Local connects
- */
- vec_reset_length (handles);
- /* *INDENT-OFF* */
- hash_foreach (handle, index, app_wrk->local_connects, ({
- vec_add1 (handles, handle);
- }));
- /* *INDENT-ON* */
-
- for (i = 0; i < vec_len (handles); i++)
- {
- application_client_local_connect_key_parse (handles[i],
- &server_wrk_index,
- &session_index);
- server_wrk = app_worker_get_if_valid (server_wrk_index);
- if (server_wrk)
- {
- ls = app_worker_get_local_session (server_wrk, session_index);
- app_worker_local_session_disconnect (app_wrk->wrk_index, ls);
- }
- }
-
- sm = segment_manager_get (app_wrk->local_segment_manager);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_del (sm);
-}
-
app_worker_t *
app_worker_alloc (application_t * app)
{
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;
- app_wrk->local_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- APP_DBG ("New app %v worker %u", app_get_name (app), app_wrk->wrk_index);
+ APP_DBG ("New app %v worker %u", app->name, app_wrk->wrk_index);
return app_wrk;
}
app_worker_free (app_worker_t * app_wrk)
{
application_t *app = application_get (app_wrk->app_index);
- vnet_unbind_args_t _a, *a = &_a;
+ vnet_unlisten_args_t _a, *a = &_a;
u64 handle, *handles = 0;
segment_manager_t *sm;
+ session_t *ls;
u32 sm_index;
int i;
*/
/* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app_wrk->listeners_table,
- ({
- vec_add1 (handles, handle);
+ hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
+ ls = listen_session_get_from_handle (handle);
+ vec_add1 (handles, app_listen_session_handle (ls));
sm = segment_manager_get (sm_index);
sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
}));
a->wrk_map_index = app_wrk->wrk_map_index;
a->handle = handles[i];
/* seg manager is removed when unbind completes */
- vnet_unbind (a);
+ (void) vnet_unlisten (a);
}
/*
{
sm = segment_manager_get (app_wrk->connects_seg_manager);
sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_init_del (sm);
+ sm->first_is_protected = 0;
+ segment_manager_init_free (sm);
}
/* If first segment manager is used by a listener */
/* .. and has no fifos, e.g. it might be used for redirected sessions,
* remove it */
if (!segment_manager_has_fifos (sm))
- segment_manager_del (sm);
+ segment_manager_free (sm);
}
- /*
- * Local sessions
- */
- app_worker_local_sessions_free (app_wrk);
-
- pool_put (app_workers, app_wrk);
if (CLIB_DEBUG)
clib_memset (app_wrk, 0xfe, sizeof (*app_wrk));
+ pool_put (app_workers, app_wrk);
}
application_t *
return sm;
}
- sm = segment_manager_new ();
+ sm = segment_manager_alloc ();
sm->app_wrk_index = app_wrk->wrk_index;
return sm;
}
+static int
+app_worker_alloc_session_fifos (segment_manager_t * sm, session_t * s)
+{
+ svm_fifo_t *rx_fifo = 0, *tx_fifo = 0;
+ int rv;
+
+ if ((rv = segment_manager_alloc_session_fifos (sm, s->thread_index,
+ &rx_fifo, &tx_fifo)))
+ return rv;
+
+ rx_fifo->master_session_index = s->session_index;
+ rx_fifo->master_thread_index = s->thread_index;
+
+ tx_fifo->master_session_index = s->session_index;
+ tx_fifo->master_thread_index = s->thread_index;
+
+ s->rx_fifo = rx_fifo;
+ s->tx_fifo = tx_fifo;
+ return 0;
+}
+
int
-app_worker_start_listen (app_worker_t * app_wrk, session_t * ls)
+app_worker_init_listener (app_worker_t * app_wrk, session_t * ls)
{
segment_manager_t *sm;
if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
return -1;
- /* Add to app's listener table. Useful to find all child listeners
- * when app goes down, although, just for unbinding this is not needed */
+ /* 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 (!ls->rx_fifo
- && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
+ if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
{
- if (session_alloc_fifos (sm, ls))
+ if (!ls->rx_fifo && app_worker_alloc_session_fifos (sm, ls))
return -1;
}
return 0;
}
int
-app_worker_stop_listen (app_worker_t * app_wrk, session_handle_t handle)
+app_worker_start_listen (app_worker_t * app_wrk,
+ app_listener_t * app_listener)
+{
+ session_t *ls;
+
+ if (clib_bitmap_get (app_listener->workers, app_wrk->wrk_map_index))
+ return VNET_API_ERROR_ADDRESS_IN_USE;
+
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ app_wrk->wrk_map_index, 1);
+
+ if (app_listener->session_index != SESSION_INVALID_INDEX)
+ {
+ ls = session_get (app_listener->session_index, 0);
+ if (app_worker_init_listener (app_wrk, ls))
+ return -1;
+ }
+
+ if (app_listener->local_index != SESSION_INVALID_INDEX)
+ {
+ ls = session_get (app_listener->local_index, 0);
+ if (app_worker_init_listener (app_wrk, ls))
+ return -1;
+ }
+
+ return 0;
+}
+
+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;
+ handle = listen_session_get_handle (ls);
sm_indexp = hash_get (app_wrk->listeners_table, handle);
if (PREDICT_FALSE (!sm_indexp))
- {
- clib_warning ("listener handle was removed %llu!", handle);
- return -1;
- }
+ return;
sm = segment_manager_get (*sm_indexp);
if (app_wrk->first_segment_manager == *sm_indexp)
}
else
{
- segment_manager_init_del (sm);
+ segment_manager_init_free (sm);
}
hash_unset (app_wrk->listeners_table, handle);
+}
+
+int
+app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al)
+{
+ session_t *ls;
+
+ if (!clib_bitmap_get (al->workers, app_wrk->wrk_map_index))
+ return 0;
+
+ if (al->session_index != SESSION_INVALID_INDEX)
+ {
+ ls = listen_session_get (al->session_index);
+ app_worker_stop_listen_session (app_wrk, ls);
+ }
+
+ if (al->local_index != SESSION_INVALID_INDEX)
+ {
+ ls = listen_session_get (al->local_index);
+ app_worker_stop_listen_session (app_wrk, ls);
+ }
+
+ clib_bitmap_set_no_check (al->workers, app_wrk->wrk_map_index, 0);
+ if (clib_bitmap_is_zero (al->workers))
+ app_listener_cleanup (al);
+
+ return 0;
+}
+int
+app_worker_init_accepted (session_t * s)
+{
+ app_worker_t *app_wrk;
+ segment_manager_t *sm;
+ session_t *listener;
+ application_t *app;
+
+ listener = listen_session_get_from_handle (s->listener_handle);
+ app_wrk = application_listener_select_worker (listener);
+ 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;
+
+ sm = app_worker_get_listen_segment_manager (app_wrk, listener);
+ if (app_worker_alloc_session_fifos (sm, s))
+ return -1;
+
+ 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);
+}
+
+int
+app_worker_init_connected (app_worker_t * app_wrk, session_t * s)
+{
+ 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);
+ if (app_worker_alloc_session_fifos (sm, s))
+ return -1;
+ }
+
+ if (app->cb_fns.fifo_tuning_callback)
+ s->flags |= SESSION_F_CUSTOM_FIFO_TUNING;
+
+ return 0;
+}
+
+int
+app_worker_connect_notify (app_worker_t * app_wrk, session_t * s, u32 opaque)
+{
+ application_t *app = application_get (app_wrk->app_index);
+ return app->cb_fns.session_connected_callback (app_wrk->wrk_index, opaque,
+ s, s == 0 /* is_fail */ );
+}
+
+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);
+ 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);
+ 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);
+ return 0;
+}
+
+int
+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);
+ return 0;
+}
+
+int
+app_worker_builtin_rx (app_worker_t * app_wrk, session_t * s)
+{
+ application_t *app = application_get (app_wrk->app_index);
+ app->cb_fns.builtin_app_rx_callback (s);
+ return 0;
+}
+
+int
+app_worker_builtin_tx (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);
+ return 0;
+}
+
+int
+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);
return 0;
}
s->tx_fifo = 0;
sm = app_worker_get_or_alloc_connect_segment_manager (app_wrk);
- if (session_alloc_fifos (sm, s))
+ if (app_worker_alloc_session_fifos (sm, s))
return -1;
- if (!svm_fifo_is_empty (rxf))
- {
- clib_memcpy_fast (s->rx_fifo->data, rxf->data, rxf->nitems);
- s->rx_fifo->head = rxf->head;
- s->rx_fifo->tail = rxf->tail;
- s->rx_fifo->cursize = rxf->cursize;
- }
+ if (!svm_fifo_is_empty_cons (rxf))
+ svm_fifo_clone (s->rx_fifo, rxf);
- if (!svm_fifo_is_empty (txf))
- {
- clib_memcpy_fast (s->tx_fifo->data, txf->data, txf->nitems);
- s->tx_fifo->head = txf->head;
- s->tx_fifo->tail = txf->tail;
- s->tx_fifo->cursize = txf->cursize;
- }
+ if (!svm_fifo_is_empty_cons (txf))
+ svm_fifo_clone (s->tx_fifo, txf);
- segment_manager_dealloc_fifos (rxf->segment_index, rxf, txf);
+ segment_manager_dealloc_fifos (rxf, txf);
return 0;
}
int
-app_worker_open_session (app_worker_t * app, session_endpoint_t * sep,
- u32 api_context)
+app_worker_connect_session (app_worker_t * app, session_endpoint_t * sep,
+ u32 api_context)
{
int rv;
return 0;
}
+int
+app_worker_session_fifo_tuning (app_worker_t * app_wrk, session_t * s,
+ svm_fifo_t * f,
+ session_ft_action_t act, u32 len)
+{
+ application_t *app = application_get (app_wrk->app_index);
+ return app->cb_fns.fifo_tuning_callback (s, f, act, len);
+}
+
int
app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
{
{
uword *smp;
smp = hash_get (app->listeners_table, listen_session_get_handle (listener));
- ASSERT (smp != 0);
+ ALWAYS_ASSERT (smp != 0);
return segment_manager_get (*smp);
}
session_t *
-app_worker_first_listener (app_worker_t * app, u8 fib_proto,
+app_worker_first_listener (app_worker_t * app_wrk, u8 fib_proto,
u8 transport_proto)
{
session_t *listener;
fib_proto == FIB_PROTOCOL_IP4);
/* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app->listeners_table, ({
+ hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
listener = listen_session_get_from_handle (handle);
if (listener->session_type == sst
- && listener->enqueue_epoch != SESSION_PROXY_LISTENER_INDEX)
+ && !(listener->flags & SESSION_F_PROXY))
return listener;
}));
/* *INDENT-ON* */
}
session_t *
-app_worker_proxy_listener (app_worker_t * app, u8 fib_proto,
+app_worker_proxy_listener (app_worker_t * app_wrk, u8 fib_proto,
u8 transport_proto)
{
session_t *listener;
fib_proto == FIB_PROTOCOL_IP4);
/* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app->listeners_table, ({
+ hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
listener = listen_session_get_from_handle (handle);
- if (listener->session_type == sst
- && listener->enqueue_epoch == SESSION_PROXY_LISTENER_INDEX)
+ if (listener->session_type == sst && (listener->flags & SESSION_F_PROXY))
return listener;
}));
/* *INDENT-ON* */
* Send an API message to the external app, to map new segment
*/
int
-app_worker_add_segment_notify (u32 app_wrk_index, u64 segment_handle)
+app_worker_add_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
{
- app_worker_t *app_wrk = app_worker_get (app_wrk_index);
application_t *app = application_get (app_wrk->app_index);
- return app->cb_fns.add_segment_callback (app_wrk->api_client_index,
+
+ return app->cb_fns.add_segment_callback (app_wrk->wrk_index,
segment_handle);
}
-u8
-app_worker_application_is_builtin (app_worker_t * app_wrk)
+int
+app_worker_del_segment_notify (app_worker_t * app_wrk, u64 segment_handle)
{
- return app_wrk->app_is_builtin;
+ application_t *app = application_get (app_wrk->app_index);
+ return app->cb_fns.del_segment_callback (app_wrk->wrk_index,
+ segment_handle);
}
-static inline int
-app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock)
+static inline u8
+app_worker_application_is_builtin (app_worker_t * app_wrk)
{
- if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
- {
- clib_warning ("evt q full");
- svm_msg_q_free_msg (mq, msg);
- if (lock)
- svm_msg_q_unlock (mq);
- return -1;
- }
-
- if (lock)
- {
- svm_msg_q_add_and_unlock (mq, msg);
- return 0;
- }
-
- /* Even when not locking the ring, we must wait for queue mutex */
- if (svm_msg_q_add (mq, msg, SVM_Q_WAIT))
- {
- clib_warning ("msg q add returned");
- return -1;
- }
- return 0;
+ return app_wrk->app_is_builtin;
}
static inline int
-app_send_io_evt_rx (app_worker_t * app_wrk, session_t * s, u8 lock)
+app_send_io_evt_rx (app_worker_t * app_wrk, session_t * s)
{
session_event_t *evt;
svm_msg_q_msg_t msg;
svm_msg_q_t *mq;
+ if (app_worker_application_is_builtin (app_wrk))
+ return app_worker_builtin_rx (app_wrk, s);
+
+ /* Make sure the session is in established state within external apps.
+ * Should be removed once we confirm closes to apps */
if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY
&& s->session_state != SESSION_STATE_LISTENING))
- {
- /* Session is closed so app will never clean up. Flush rx fifo */
- if (s->session_state == SESSION_STATE_CLOSED)
- svm_fifo_dequeue_drop_all (s->rx_fifo);
- return 0;
- }
-
- if (app_worker_application_is_builtin (app_wrk))
- {
- application_t *app = application_get (app_wrk->app_index);
- return app->cb_fns.builtin_app_rx_callback (s);
- }
+ return 0;
- if (svm_fifo_has_event (s->rx_fifo) || svm_fifo_is_empty (s->rx_fifo))
+ if (svm_fifo_has_event (s->rx_fifo))
return 0;
mq = app_wrk->event_queue;
- if (lock)
- svm_msg_q_lock (mq);
+ svm_msg_q_lock (mq);
+
+ if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
+ {
+ clib_warning ("evt q full");
+ svm_msg_q_unlock (mq);
+ return -1;
+ }
if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
{
clib_warning ("evt q rings full");
- if (lock)
- svm_msg_q_unlock (mq);
+ svm_msg_q_unlock (mq);
return -1;
}
msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- ASSERT (!svm_msg_q_msg_is_invalid (&msg));
-
evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
- evt->fifo = s->rx_fifo;
- evt->event_type = FIFO_EVENT_APP_RX;
+ 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);
- if (app_enqueue_evt (mq, &msg, lock))
- return -1;
return 0;
}
static inline int
-app_send_io_evt_tx (app_worker_t * app_wrk, session_t * s, u8 lock)
+app_send_io_evt_tx (app_worker_t * app_wrk, session_t * s)
{
svm_msg_q_t *mq;
session_event_t *evt;
svm_msg_q_msg_t msg;
if (app_worker_application_is_builtin (app_wrk))
- return 0;
+ return app_worker_builtin_tx (app_wrk, s);
mq = app_wrk->event_queue;
- if (lock)
- svm_msg_q_lock (mq);
+ svm_msg_q_lock (mq);
+
+ if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
+ {
+ clib_warning ("evt q full");
+ svm_msg_q_unlock (mq);
+ return -1;
+ }
if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
{
clib_warning ("evt q rings full");
- if (lock)
- svm_msg_q_unlock (mq);
+ svm_msg_q_unlock (mq);
return -1;
}
msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- ASSERT (!svm_msg_q_msg_is_invalid (&msg));
-
evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
- evt->event_type = FIFO_EVENT_APP_TX;
- evt->fifo = s->tx_fifo;
+ evt->event_type = SESSION_IO_EVT_TX;
+ evt->session_index = s->tx_fifo->client_session_index;
- return app_enqueue_evt (mq, &msg, lock);
+ svm_msg_q_add_and_unlock (mq, &msg);
+ return 0;
}
/* *INDENT-OFF* */
typedef int (app_send_evt_handler_fn) (app_worker_t *app,
- session_t *s,
- u8 lock);
-static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = {
+ session_t *s);
+static app_send_evt_handler_fn * const app_send_evt_handler_fns[2] = {
app_send_io_evt_rx,
- 0,
app_send_io_evt_tx,
};
/* *INDENT-ON* */
-/**
- * Send event to application
- *
- * Logic from queue perspective is non-blocking. If there's
- * not enough space to enqueue a message, we return.
- */
-int
-app_worker_send_event (app_worker_t * app, session_t * s, u8 evt_type)
-{
- ASSERT (app && evt_type <= FIFO_EVENT_APP_TX);
- return app_send_evt_handler_fns[evt_type] (app, s, 0 /* lock */ );
-}
-
/**
* Send event to application
*
app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
u8 evt_type)
{
- return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ );
-}
-
-segment_manager_t *
-app_worker_get_local_segment_manager (app_worker_t * app_worker)
-{
- return segment_manager_get (app_worker->local_segment_manager);
-}
-
-segment_manager_t *
-app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk,
- local_session_t * ls)
-{
- session_t *listener;
- if (application_local_session_listener_has_transport (ls))
- {
- listener = listen_session_get (ls->listener_index);
- return app_worker_get_listen_segment_manager (app_wrk, listener);
- }
- return segment_manager_get (app_wrk->local_segment_manager);
-}
-
-int
-app_worker_local_session_cleanup (app_worker_t * client_wrk,
- app_worker_t * server_wrk,
- local_session_t * ls)
-{
- svm_fifo_segment_private_t *seg;
- session_t *listener;
- segment_manager_t *sm;
- u64 client_key;
- u8 has_transport;
-
- /* Retrieve listener transport type as it is the one that decides where
- * the fifos are allocated */
- has_transport = application_local_session_listener_has_transport (ls);
- if (!has_transport)
- sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls);
- else
- {
- listener = listen_session_get (ls->listener_index);
- sm = app_worker_get_listen_segment_manager (server_wrk, listener);
- }
-
- seg = segment_manager_get_segment (sm, ls->svm_segment_index);
- if (client_wrk)
- {
- client_key = application_client_local_connect_key (ls);
- hash_unset (client_wrk->local_connects, client_key);
- }
-
- if (!has_transport)
- {
- application_t *server = application_get (server_wrk->app_index);
- u64 segment_handle = segment_manager_segment_handle (sm, seg);
- server->cb_fns.del_segment_callback (server_wrk->api_client_index,
- segment_handle);
- if (client_wrk)
- {
- application_t *client = application_get (client_wrk->app_index);
- client->cb_fns.del_segment_callback (client_wrk->api_client_index,
- segment_handle);
- }
- segment_manager_del_segment (sm, seg);
- }
-
- app_worker_local_session_free (server_wrk, ls);
-
- return 0;
-}
-
-static void
-application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
-{
- int fd;
-
- /*
- * segment manager initializes only the producer eventds, since vpp is
- * typically the producer. But for local sessions, we also pass to the
- * apps the mqs they listen on for events from peer apps, so they are also
- * consumer fds.
- */
- fd = svm_msg_q_get_producer_eventfd (sq);
- svm_msg_q_set_consumer_eventfd (sq, fd);
- fd = svm_msg_q_get_producer_eventfd (cq);
- svm_msg_q_set_consumer_eventfd (cq, fd);
-}
-
-int
-app_worker_local_session_connect (app_worker_t * client_wrk,
- app_worker_t * server_wrk,
- local_session_t * ll, u32 opaque)
-{
- u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10;
- u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index;
- segment_manager_properties_t *props, *cprops;
- int rv, has_transport, seg_index;
- svm_fifo_segment_private_t *seg;
- application_t *server, *client;
- segment_manager_t *sm;
- local_session_t *ls;
- svm_msg_q_t *sq, *cq;
- u64 segment_handle;
-
- ls = app_worker_local_session_alloc (server_wrk);
- server = application_get (server_wrk->app_index);
- client = application_get (client_wrk->app_index);
-
- props = application_segment_manager_properties (server);
- cprops = application_segment_manager_properties (client);
- evt_q_elts = props->evt_q_size + cprops->evt_q_size;
- evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts);
- round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
- round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
- seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin;
-
- has_transport = session_has_transport ((session_t *) ll);
- if (!has_transport)
- {
- /* Local sessions don't have backing transport */
- ls->port = ll->port;
- sm = app_worker_get_local_segment_manager (server_wrk);
- }
- else
- {
- session_t *sl = (session_t *) ll;
- transport_connection_t *tc;
- tc = listen_session_get_transport (sl);
- ls->port = tc->lcl_port;
- sm = app_worker_get_listen_segment_manager (server_wrk, sl);
- }
-
- seg_index = segment_manager_add_segment (sm, seg_size);
- if (seg_index < 0)
- {
- clib_warning ("failed to add new cut-through segment");
- return seg_index;
- }
- seg = segment_manager_get_segment_w_lock (sm, seg_index);
- sq = segment_manager_alloc_queue (seg, props);
- cq = segment_manager_alloc_queue (seg, cprops);
-
- if (props->use_mq_eventfd)
- application_local_session_fix_eventds (sq, cq);
-
- ls->server_evt_q = pointer_to_uword (sq);
- ls->client_evt_q = pointer_to_uword (cq);
- rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size,
- props->tx_fifo_size,
- &ls->rx_fifo, &ls->tx_fifo);
- if (rv)
- {
- clib_warning ("failed to add fifos in cut-through segment");
- segment_manager_segment_reader_unlock (sm);
- goto failed;
- }
- sm_index = segment_manager_index (sm);
- ls->rx_fifo->ct_session_index = ls->session_index;
- ls->tx_fifo->ct_session_index = ls->session_index;
- ls->rx_fifo->segment_manager = sm_index;
- ls->tx_fifo->segment_manager = sm_index;
- ls->rx_fifo->segment_index = seg_index;
- ls->tx_fifo->segment_index = seg_index;
- ls->svm_segment_index = seg_index;
- ls->listener_index = ll->session_index;
- ls->client_wrk_index = client_wrk->wrk_index;
- ls->client_opaque = opaque;
- ls->listener_session_type = ll->session_type;
- ls->session_state = SESSION_STATE_READY;
-
- segment_handle = segment_manager_segment_handle (sm, seg);
- if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index,
- segment_handle)))
- {
- clib_warning ("failed to notify server of new segment");
- segment_manager_segment_reader_unlock (sm);
- goto failed;
- }
- segment_manager_segment_reader_unlock (sm);
- if ((rv = server->cb_fns.session_accept_callback ((session_t *) ls)))
- {
- clib_warning ("failed to send accept cut-through notify to server");
- goto failed;
- }
- if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN)
- app_worker_local_session_connect_notify (ls);
-
- return 0;
-
-failed:
- if (!has_transport)
- segment_manager_del_segment (sm, seg);
- return rv;
-}
-
-int
-app_worker_local_session_connect_notify (local_session_t * ls)
-{
- svm_fifo_segment_private_t *seg;
- app_worker_t *client_wrk, *server_wrk;
- segment_manager_t *sm;
- application_t *client;
- int rv, is_fail = 0;
- u64 segment_handle;
- u64 client_key;
-
- client_wrk = app_worker_get (ls->client_wrk_index);
- server_wrk = app_worker_get (ls->app_wrk_index);
- client = application_get (client_wrk->app_index);
-
- sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls);
- seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
- segment_handle = segment_manager_segment_handle (sm, seg);
- if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index,
- segment_handle)))
- {
- clib_warning ("failed to notify client %u of new segment",
- ls->client_wrk_index);
- segment_manager_segment_reader_unlock (sm);
- app_worker_local_session_disconnect (ls->client_wrk_index, ls);
- is_fail = 1;
- }
- else
- {
- segment_manager_segment_reader_unlock (sm);
- }
-
- client->cb_fns.session_connected_callback (client_wrk->wrk_index,
- ls->client_opaque,
- (session_t *) ls, is_fail);
-
- client_key = application_client_local_connect_key (ls);
- hash_set (client_wrk->local_connects, client_key, client_key);
- return 0;
-}
-
-int
-app_worker_local_session_disconnect (u32 app_index, local_session_t * ls)
-{
- app_worker_t *client_wrk, *server_wrk;
- u8 is_server = 0, is_client = 0;
- application_t *app;
-
- app = application_get_if_valid (app_index);
- if (!app)
- return 0;
-
- client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
- server_wrk = app_worker_get (ls->app_wrk_index);
-
- if (server_wrk->app_index == app_index)
- is_server = 1;
- else if (client_wrk && client_wrk->app_index == app_index)
- is_client = 1;
-
- if (!is_server && !is_client)
- {
- clib_warning ("app %u is neither client nor server for session 0x%lx",
- app_index, application_local_session_handle (ls));
- return VNET_API_ERROR_INVALID_VALUE;
- }
-
- if (ls->session_state == SESSION_STATE_CLOSED)
- return app_worker_local_session_cleanup (client_wrk, server_wrk, ls);
-
- if (app_index == ls->client_wrk_index)
- {
- mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
- }
- else
- {
- if (!client_wrk)
- {
- return app_worker_local_session_cleanup (client_wrk, server_wrk,
- ls);
- }
- else if (ls->session_state < SESSION_STATE_READY)
- {
- application_t *client = application_get (client_wrk->app_index);
- client->cb_fns.session_connected_callback (client_wrk->wrk_index,
- ls->client_opaque,
- (session_t *) ls,
- 1 /* is_fail */ );
- ls->session_state = SESSION_STATE_CLOSED;
- return app_worker_local_session_cleanup (client_wrk, server_wrk,
- ls);
- }
- else
- {
- mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls);
- }
- }
-
- ls->session_state = SESSION_STATE_CLOSED;
-
- return 0;
-}
-
-int
-app_worker_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
-{
- app_worker_t *app_wrk;
- local_session_t *ls;
- app_wrk = app_worker_get (app_wrk_index);
- ls = app_worker_get_local_session (app_wrk, ls_index);
- return app_worker_local_session_disconnect (app_wrk_index, ls);
+ return app_send_evt_handler_fns[evt_type] (app, s);
}
u8 *
app_name = application_name_from_index (app_wrk->app_index);
listener = listen_session_get_from_handle (handle);
- str = format (0, "%U", format_stream_session, listener, verbose);
+ str = format (0, "%U", format_session, listener, verbose);
if (verbose)
{
void
app_worker_format_connects (app_worker_t * app_wrk, int verbose)
{
- svm_fifo_segment_private_t *fifo_segment;
- vlib_main_t *vm = vlib_get_main ();
segment_manager_t *sm;
- const u8 *app_name;
- u8 *s = 0;
/* Header */
if (!app_wrk)
{
- if (verbose)
- vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App",
- "API Client", "SegManager");
- else
- vlib_cli_output (vm, "%-40s%-20s", "Connection", "App");
+ segment_manager_format_sessions (0, verbose);
return;
}
if (app_wrk->connects_seg_manager == (u32) ~ 0)
return;
- app_name = application_name_from_index (app_wrk->app_index);
-
- /* Across all fifo segments */
sm = segment_manager_get (app_wrk->connects_seg_manager);
-
- /* *INDENT-OFF* */
- segment_manager_foreach_segment_w_lock (fifo_segment, sm, ({
- svm_fifo_t *fifo;
- u8 *str;
-
- fifo = svm_fifo_segment_get_fifo_list (fifo_segment);
- while (fifo)
- {
- u32 session_index, thread_index;
- session_t *session;
-
- session_index = fifo->master_session_index;
- thread_index = fifo->master_thread_index;
-
- session = session_get (session_index, thread_index);
- str = format (0, "%U", format_stream_session, session, verbose);
-
- if (verbose)
- s = format (s, "%-40s%-20s%-15u%-10u", str, app_name,
- app_wrk->api_client_index, app_wrk->connects_seg_manager);
- else
- s = format (s, "%-40s%-20s", str, app_name);
-
- vlib_cli_output (vm, "%v", s);
- vec_reset_length (s);
- vec_free (str);
-
- fifo = fifo->next;
- }
- vec_free (s);
- }));
- /* *INDENT-ON* */
-}
-
-void
-app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose)
-{
- vlib_main_t *vm = vlib_get_main ();
- local_session_t *ls;
- transport_proto_t tp;
- u8 *conn = 0;
-
- /* Header */
- if (app_wrk == 0)
- {
- vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp",
- "ClientApp");
- return;
- }
-
- if (!pool_elts (app_wrk->local_sessions)
- && !pool_elts (app_wrk->local_connects))
- return;
-
- /* *INDENT-OFF* */
- pool_foreach (ls, app_wrk->local_sessions, ({
- tp = session_type_transport_proto(ls->listener_session_type);
- conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp,
- ls->port);
- vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_wrk_index,
- ls->client_wrk_index);
- vec_reset_length (conn);
- }));
- /* *INDENT-ON* */
-
- vec_free (conn);
-}
-
-void
-app_worker_format_local_connects (app_worker_t * app, int verbose)
-{
- vlib_main_t *vm = vlib_get_main ();
- u32 app_wrk_index, session_index;
- app_worker_t *server_wrk;
- local_session_t *ls;
- u64 client_key;
- u64 value;
-
- /* Header */
- if (app == 0)
- {
- if (verbose)
- vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App",
- "Peer App", "SegManager");
- else
- vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App",
- "Peer App");
- return;
- }
-
- if (!app->local_connects)
- return;
-
- /* *INDENT-OFF* */
- hash_foreach (client_key, value, app->local_connects, ({
- application_client_local_connect_key_parse (client_key, &app_wrk_index,
- &session_index);
- server_wrk = app_worker_get (app_wrk_index);
- ls = app_worker_get_local_session (server_wrk, session_index);
- vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index,
- ls->client_wrk_index);
- }));
- /* *INDENT-ON* */
+ segment_manager_format_sessions (sm, verbose);
}
/*