session: support multiple worker binds
Allows app workers to listen on the same session endpoint. Incoming
connects are spread across the workers in a round-robin fashion
Change-Id: Ib5f5817230d9abc6127a85cdbdcad70d980c0f7f
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index b7498d0..8cf3289 100644
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -20,6 +20,56 @@
static app_main_t app_main;
+static app_listener_t *
+app_listener_alloc (application_t * app)
+{
+ app_listener_t *app_listener;
+ pool_get (app->listeners, app_listener);
+ memset (app_listener, 0, sizeof (*app_listener));
+ app_listener->al_index = app_listener - app->listeners;
+ return app_listener;
+}
+
+static app_listener_t *
+app_listener_get (application_t * app, u32 app_listener_index)
+{
+ return pool_elt_at_index (app->listeners, app_listener_index);
+}
+
+static void
+app_listener_free (application_t * app, app_listener_t * app_listener)
+{
+ clib_bitmap_free (app_listener->workers);
+ pool_put (app->listeners, app_listener);
+ if (CLIB_DEBUG)
+ memset (app_listener, 0xfa, sizeof (*app_listener));
+}
+
+static app_listener_t *
+app_local_listener_alloc (application_t * app)
+{
+ app_listener_t *app_listener;
+ pool_get (app->local_listeners, app_listener);
+ memset (app_listener, 0, sizeof (*app_listener));
+ app_listener->al_index = app_listener - app->local_listeners;
+ return app_listener;
+}
+
+static app_listener_t *
+app_local_listener_get (application_t * app, u32 app_listener_index)
+{
+ return pool_elt_at_index (app->local_listeners, app_listener_index);
+}
+
+static void
+app_local_listener_free (application_t * app, app_listener_t * app_listener)
+{
+ clib_bitmap_free (app_listener->workers);
+ pool_put (app->local_listeners, app_listener);
+ if (CLIB_DEBUG)
+ memset (app_listener, 0xfa, sizeof (*app_listener));
+}
+
static app_worker_map_t *
app_worker_map_alloc (application_t * app)
{
@@ -95,6 +145,16 @@
return app_ns->local_table_index;
}
+static void
+application_local_listener_session_endpoint (local_session_t * ll,
+ session_endpoint_t * sep)
+{
+ sep->transport_proto =
+ session_type_transport_proto (ll->listener_session_type);
+ sep->port = ll->port;
+ sep->is_ip4 = ll->listener_session_type & 1;
+}
+
int
application_api_queue_is_full (application_t * app)
{
@@ -329,6 +389,9 @@
{
app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
+ u32 table_index;
+ local_session_t *ll;
+ session_endpoint_t sep;
/*
* The app event queue allocated in first segment is cleared with
@@ -340,6 +403,10 @@
if (application_is_proxy (app))
application_remove_proxy (app);
+ /*
+ * Free workers
+ */
+
/* *INDENT-OFF* */
pool_flush (wrk_map, app->worker_maps, ({
app_wrk = app_worker_get (wrk_map->wrk_index);
@@ -348,6 +415,24 @@
/* *INDENT-ON* */
pool_free (app->worker_maps);
+ /*
+ * Free local listeners. Global table unbinds stop local listeners
+ * as well, but if we have only local binds, these won't be cleaned up.
+ * Don't bother with local accepted sessions, we clean them when
+ * cleaning up the worker.
+ */
+ table_index = application_local_session_table (app);
+ /* *INDENT-OFF* */
+ pool_foreach (ll, app->local_listen_sessions, ({
+ application_local_listener_session_endpoint (ll, &sep);
+ session_lookup_del_session_endpoint (table_index, &sep);
+ }));
+ /* *INDENT-ON* */
+ pool_free (app->local_listen_sessions);
+
+ /*
+ * Cleanup remaining state
+ */
application_table_del (app);
vec_free (app->name);
vec_free (app->tls_cert);
@@ -372,6 +457,29 @@
}
app_worker_t *
+application_listener_select_worker (stream_session_t * ls, u8 is_local)
+{
+ app_listener_t *app_listener;
+ application_t *app;
+ u32 wrk_index;
+
+ app = application_get (ls->app_index);
+ if (!is_local)
+ app_listener = app_listener_get (app, ls->listener_db_index);
+ else
+ app_listener = app_local_listener_get (app, ls->listener_db_index);
+
+ wrk_index = clib_bitmap_next_set (app_listener->workers,
+ app_listener->accept_rotor + 1);
+ if (wrk_index == ~0)
+ wrk_index = clib_bitmap_first_set (app_listener->workers);
+
+ ASSERT (wrk_index != ~0);
+ app_listener->accept_rotor = wrk_index;
+ return application_get_worker (app, wrk_index);
+}
+
+app_worker_t *
app_worker_alloc (application_t * app)
{
app_worker_t *app_wrk;
@@ -427,7 +535,7 @@
for (i = 0; i < vec_len (handles); i++)
{
a->app_index = app->app_index;
- a->app_wrk_index = app_wrk->wrk_map_index;
+ a->wrk_map_index = app_wrk->wrk_map_index;
a->handle = handles[i];
/* seg manager is removed when unbind completes */
vnet_unbind (a);
@@ -461,7 +569,7 @@
/*
* Local sessions
*/
- application_local_sessions_free (app_wrk);
+ app_worker_local_sessions_free (app_wrk);
pool_put (app_main.workers, app_wrk);
if (CLIB_DEBUG)
@@ -516,8 +624,18 @@
return 0;
}
+application_t *
+app_worker_get_app (u32 wrk_index)
+{
+ app_worker_t *app_wrk;
+ app_wrk = app_worker_get_if_valid (wrk_index);
+ if (!app_wrk)
+ return 0;
+ return application_get_if_valid (app_wrk->app_index);
+}
+
static segment_manager_t *
-application_alloc_segment_manager (app_worker_t * app_wrk)
+app_worker_alloc_segment_manager (app_worker_t * app_wrk)
{
segment_manager_t *sm = 0;
@@ -536,86 +654,45 @@
return sm;
}
-/**
- * Start listening local transport endpoint for requested transport.
- *
- * Creates a 'dummy' stream session with state LISTENING to be used in session
- * lookups, prior to establishing connection. Requests transport to build
- * it's own specific listening connection.
- */
int
-app_worker_start_listen (app_worker_t * app_wrk, session_endpoint_t * sep,
- session_handle_t * res)
+app_worker_start_listen (app_worker_t * app_wrk, stream_session_t * ls)
{
segment_manager_t *sm;
- stream_session_t *s;
- session_handle_t handle;
- session_type_t sst;
-
- sst = session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4);
- s = listen_session_new (0, sst);
- s->app_wrk_index = app_wrk->wrk_index;
/* Allocate segment manager. All sessions derived out of a listen session
* have fifos allocated by the same segment manager. */
- if (!(sm = application_alloc_segment_manager (app_wrk)))
- goto err;
+ 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 */
- handle = listen_session_get_handle (s);
- hash_set (app_wrk->listeners_table, handle, segment_manager_index (sm));
+ hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
+ segment_manager_index (sm));
- if (stream_session_listen (s, sep))
+ if (!ls->server_rx_fifo
+ && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
{
- segment_manager_del (sm);
- hash_unset (app_wrk->listeners_table, handle);
- goto err;
+ if (session_alloc_fifos (sm, ls))
+ return -1;
}
-
- *res = handle;
return 0;
-
-err:
- listen_session_del (s);
- return -1;
}
-/**
- * Stop listening on session associated to handle
- *
- * @param handle listener handle
- * @param app_index index of the app owning the handle. This is used
- * only for validating ownership
- */
int
-app_worker_stop_listen (session_handle_t handle, u32 app_index)
+app_worker_stop_listen (app_worker_t * app_wrk, session_handle_t handle)
{
- stream_session_t *listener;
segment_manager_t *sm;
- app_worker_t *app_wrk;
- uword *indexp;
+ uword *sm_indexp;
- listener = listen_session_get_from_handle (handle);
- app_wrk = app_worker_get (listener->app_wrk_index);
- if (PREDICT_FALSE (!app_wrk || app_wrk->app_index != app_index))
- {
- clib_warning ("app doesn't own handle %llu!", handle);
- return -1;
- }
- if (PREDICT_FALSE (hash_get (app_wrk->listeners_table, handle) == 0))
+ sm_indexp = hash_get (app_wrk->listeners_table, handle);
+ if (PREDICT_FALSE (!sm_indexp))
{
clib_warning ("listener handle was removed %llu!", handle);
return -1;
}
- stream_session_stop_listen (listener);
-
- indexp = hash_get (app_wrk->listeners_table, handle);
- ASSERT (indexp);
-
- sm = segment_manager_get (*indexp);
- if (app_wrk->first_segment_manager == *indexp)
+ sm = segment_manager_get (*sm_indexp);
+ if (app_wrk->first_segment_manager == *sm_indexp)
{
/* Delete sessions but don't remove segment manager */
app_wrk->first_segment_manager_in_use = 0;
@@ -626,7 +703,131 @@
segment_manager_init_del (sm);
}
hash_unset (app_wrk->listeners_table, handle);
- listen_session_del (listener);
+
+ return 0;
+}
+
+/**
+ * Start listening local transport endpoint for requested transport.
+ *
+ * Creates a 'dummy' stream session with state LISTENING to be used in session
+ * lookups, prior to establishing connection. Requests transport to build
+ * it's own specific listening connection.
+ */
+int
+application_start_listen (application_t * app,
+ session_endpoint_extended_t * sep_ext,
+ session_handle_t * res)
+{
+ app_listener_t *app_listener;
+ u32 table_index, fib_proto;
+ session_endpoint_t *sep;
+ app_worker_t *app_wrk;
+ stream_session_t *ls;
+ session_handle_t lh;
+ session_type_t sst;
+
+ /*
+ * Check if sep is already listened on
+ */
+ sep = (session_endpoint_t *) sep_ext;
+ fib_proto = session_endpoint_fib_proto (sep);
+ table_index = application_session_table (app, fib_proto);
+ lh = session_lookup_endpoint_listener (table_index, sep, 1);
+ if (lh != SESSION_INVALID_HANDLE)
+ {
+ ls = listen_session_get_from_handle (lh);
+ if (ls->app_index != app->app_index)
+ return VNET_API_ERROR_ADDRESS_IN_USE;
+
+ app_wrk = app_worker_get (sep_ext->app_wrk_index);
+ if (ls->app_wrk_index == app_wrk->wrk_index)
+ return VNET_API_ERROR_ADDRESS_IN_USE;
+
+ if (app_worker_start_listen (app_wrk, ls))
+ return -1;
+
+ app_listener = app_listener_get (app, ls->listener_db_index);
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ app_wrk->wrk_map_index, 1);
+
+ *res = listen_session_get_handle (ls);
+ return 0;
+ }
+
+ /*
+ * Allocate new listener for application
+ */
+ sst = session_type_from_proto_and_ip (sep_ext->transport_proto,
+ sep_ext->is_ip4);
+ ls = listen_session_new (0, sst);
+ ls->app_index = app->app_index;
+
+ if (session_listen (ls, sep_ext))
+ goto err;
+
+ app_listener = app_listener_alloc (app);
+ ls->listener_db_index = app_listener->al_index;
+
+ /*
+ * Setup app worker as a listener
+ */
+ app_wrk = app_worker_get (sep_ext->app_wrk_index);
+ ls->app_wrk_index = app_wrk->wrk_index;
+ if (app_worker_start_listen (app_wrk, ls))
+ goto err;
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ app_wrk->wrk_map_index, 1);
+
+ *res = listen_session_get_handle (ls);
+ return 0;
+
+err:
+ listen_session_del (ls);
+ return -1;
+}
+
+/**
+ * Stop listening on session associated to handle
+ *
+ * @param handle listener handle
+ * @param app_index index of the app owning the handle.
+ * @param app_wrk_index index of the worker requesting the stop
+ */
+int
+application_stop_listen (u32 app_index, u32 app_wrk_index,
+ session_handle_t handle)
+{
+ app_listener_t *app_listener;
+ stream_session_t *listener;
+ app_worker_t *app_wrk;
+ application_t *app;
+
+ listener = listen_session_get_from_handle (handle);
+ app = application_get (app_index);
+ if (PREDICT_FALSE (!app || app->app_index != listener->app_index))
+ {
+ clib_warning ("app doesn't own handle %llu!", handle);
+ return -1;
+ }
+
+ app_listener = app_listener_get (app, listener->listener_db_index);
+ if (!clib_bitmap_get (app_listener->workers, app_wrk_index))
+ {
+ clib_warning ("worker not listening on handle %lu", handle);
+ return 0;
+ }
+
+ app_wrk = application_get_worker (app, app_wrk_index);
+ app_worker_stop_listen (app_wrk, handle);
+ clib_bitmap_set_no_check (app_listener->workers, app_wrk_index, 0);
+
+ if (clib_bitmap_is_zero (app_listener->workers))
+ {
+ session_stop_listen (listener);
+ app_listener_free (app, app_listener);
+ listen_session_del (listener);
+ }
return 0;
}
@@ -653,7 +854,7 @@
if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
{
- sm = application_alloc_segment_manager (app_wrk);
+ sm = app_worker_alloc_segment_manager (app_wrk);
if (sm == 0)
return -1;
app_wrk->connects_seg_manager = segment_manager_index (sm);
@@ -702,6 +903,7 @@
a->segment = &fs->ssvm;
segment_manager_segment_reader_unlock (sm);
a->evt_q = app_wrk->event_queue;
+ a->wrk_index = app_wrk->wrk_map_index;
}
else
{
@@ -808,7 +1010,7 @@
hash_foreach (handle, sm_index, app->listeners_table, ({
listener = listen_session_get_from_handle (handle);
if (listener->session_type == sst
- && listener->listener_index != SESSION_PROXY_LISTENER_INDEX)
+ && listener->enqueue_epoch != SESSION_PROXY_LISTENER_INDEX)
return listener;
}));
/* *INDENT-ON* */
@@ -838,7 +1040,7 @@
hash_foreach (handle, sm_index, app->listeners_table, ({
listener = listen_session_get_from_handle (handle);
if (listener->session_type == sst
- && listener->listener_index == SESSION_PROXY_LISTENER_INDEX)
+ && listener->enqueue_epoch == SESSION_PROXY_LISTENER_INDEX)
return listener;
}));
/* *INDENT-ON* */
@@ -852,7 +1054,7 @@
{
app_namespace_t *app_ns = app_namespace_get (app->ns_index);
u8 is_ip4 = (fib_proto == FIB_PROTOCOL_IP4);
- session_endpoint_t sep = SESSION_ENDPOINT_NULL;
+ session_endpoint_extended_t sep = SESSION_ENDPOINT_EXT_NULL;
transport_connection_t *tc;
app_worker_t *app_wrk;
stream_session_t *s;
@@ -869,9 +1071,10 @@
sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
sep.sw_if_index = app_ns->sw_if_index;
sep.transport_proto = transport_proto;
- app_worker_start_listen (app_wrk, &sep, &handle);
+ sep.app_wrk_index = app_wrk->wrk_index; /* only default */
+ application_start_listen (app, &sep, &handle);
s = listen_session_get_from_handle (handle);
- s->listener_index = SESSION_PROXY_LISTENER_INDEX;
+ s->enqueue_epoch = SESSION_PROXY_LISTENER_INDEX;
}
}
else
@@ -891,9 +1094,12 @@
sep.port = 0;
sti = session_lookup_get_index_for_fib (fib_proto, sep.fib_index);
if (is_start)
- session_lookup_add_session_endpoint (sti, &sep, s->session_index);
+ session_lookup_add_session_endpoint (sti,
+ (session_endpoint_t *) & sep,
+ s->session_index);
else
- session_lookup_del_session_endpoint (sti, &sep);
+ session_lookup_del_session_endpoint (sti,
+ (session_endpoint_t *) & sep);
}
return 0;
@@ -1116,33 +1322,33 @@
* flag is set, we do wait for queue mutex.
*/
int
-application_send_event (app_worker_t * app, stream_session_t * s, u8 evt_type)
+app_worker_send_event (app_worker_t * app, stream_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 */ );
}
int
-application_lock_and_send_event (app_worker_t * app, stream_session_t * s,
- u8 evt_type)
+app_worker_lock_and_send_event (app_worker_t * app, stream_session_t * s,
+ u8 evt_type)
{
return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ );
}
local_session_t *
-application_alloc_local_session (app_worker_t * app)
+application_local_session_alloc (app_worker_t * app_wrk)
{
local_session_t *s;
- pool_get (app->local_sessions, s);
+ pool_get (app_wrk->local_sessions, s);
memset (s, 0, sizeof (*s));
- s->app_wrk_index = app->app_index;
- s->session_index = s - app->local_sessions;
+ 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
-application_free_local_session (app_worker_t * app, local_session_t * s)
+application_local_session_free (app_worker_t * app, local_session_t * s)
{
pool_put (app->local_sessions, s);
if (CLIB_DEBUG)
@@ -1170,54 +1376,79 @@
}
local_session_t *
-application_get_local_listen_session_from_handle (session_handle_t lh)
+application_local_listen_session_alloc (application_t * app)
{
- u32 ll_index, server_wrk_index;
- app_worker_t *server_wrk;
-
- local_session_parse_handle (lh, &server_wrk_index, &ll_index);
- server_wrk = app_worker_get (server_wrk_index);
- return application_get_local_listen_session (server_wrk, ll_index);
+ local_session_t *ll;
+ pool_get (app->local_listen_sessions, ll);
+ memset (ll, 0, sizeof (*ll));
+ return ll;
}
-always_inline void
-application_local_listener_session_endpoint (local_session_t * ll,
- session_endpoint_t * sep)
+u32
+application_local_listener_index (application_t * app, local_session_t * ll)
{
- sep->transport_proto =
- session_type_transport_proto (ll->listener_session_type);
- sep->port = ll->port;
- sep->is_ip4 = ll->listener_session_type & 1;
+ return (ll - app->local_listen_sessions);
+}
+
+void
+application_local_listen_session_free (application_t * app,
+ local_session_t * ll)
+{
+ pool_put (app->local_listen_sessions, ll);
+ if (CLIB_DEBUG)
+ memset (ll, 0xfb, sizeof (*ll));
}
int
-application_start_local_listen (app_worker_t * app_wrk,
- session_endpoint_t * sep,
+application_start_local_listen (application_t * app,
+ session_endpoint_extended_t * sep_ext,
session_handle_t * handle)
{
+ app_listener_t *app_listener;
+ session_endpoint_t *sep;
+ app_worker_t *app_wrk;
session_handle_t lh;
local_session_t *ll;
- application_t *app;
u32 table_index;
- app = application_get (app_wrk->app_index);
+ sep = (session_endpoint_t *) sep_ext;
table_index = application_local_session_table (app);
+ app_wrk = app_worker_get (sep_ext->app_wrk_index);
/* An exact sep match, as opposed to session_lookup_local_listener */
lh = session_lookup_endpoint_listener (table_index, sep, 1);
if (lh != SESSION_INVALID_HANDLE)
- return VNET_API_ERROR_ADDRESS_IN_USE;
+ {
+ ll = application_get_local_listener_w_handle (lh);
+ if (ll->app_index != app->app_index)
+ return VNET_API_ERROR_ADDRESS_IN_USE;
- pool_get (app_wrk->local_listen_sessions, ll);
- memset (ll, 0, sizeof (*ll));
+ if (ll->app_wrk_index == app_wrk->wrk_index)
+ return VNET_API_ERROR_ADDRESS_IN_USE;
+
+ app_listener = app_local_listener_get (app, ll->listener_db_index);
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ app_wrk->wrk_map_index, 1);
+ *handle = application_local_session_handle (ll);
+ return 0;
+ }
+
+ ll = application_local_listen_session_alloc (app);
ll->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
ll->app_wrk_index = app_wrk->app_index;
- ll->session_index = ll - app_wrk->local_listen_sessions;
- ll->port = sep->port;
+ ll->session_index = application_local_listener_index (app, ll);
+ ll->port = sep_ext->port;
/* Store the original session type for the unbind */
ll->listener_session_type =
- session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4);
+ session_type_from_proto_and_ip (sep_ext->transport_proto,
+ sep_ext->is_ip4);
ll->transport_listener_index = ~0;
+ ll->app_index = app->app_index;
+
+ app_listener = app_local_listener_alloc (app);
+ ll->listener_db_index = app_listener->al_index;
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ app_wrk->wrk_map_index, 1);
*handle = application_local_session_handle (ll);
session_lookup_add_session_endpoint (table_index, sep, *handle);
@@ -1231,10 +1462,12 @@
* so parse it.
*/
int
-application_stop_local_listen (session_handle_t lh, u32 app_index)
+application_stop_local_listen (u32 app_index, u32 wrk_map_index,
+ session_handle_t lh)
{
session_endpoint_t sep = SESSION_ENDPOINT_NULL;
- u32 table_index, ll_index, server_wrk_index;
+ u32 table_index, ll_index, server_index;
+ app_listener_t *app_listener;
app_worker_t *server_wrk;
stream_session_t *sl = 0;
local_session_t *ll, *ls;
@@ -1259,28 +1492,44 @@
return -1;
}
- local_session_parse_handle (lh, &server_wrk_index, &ll_index);
- server_wrk = app_worker_get (server_wrk_index);
- if (PREDICT_FALSE (server_wrk->app_index != app_index))
+ local_session_parse_handle (lh, &server_index, &ll_index);
+ if (PREDICT_FALSE (server_index != app_index))
{
clib_warning ("app %u does not own local handle 0x%lx", app_index, lh);
+ return -1;
}
- ll = application_get_local_listen_session (server_wrk, ll_index);
+
+ ll = application_get_local_listen_session (server, ll_index);
if (PREDICT_FALSE (!ll))
{
clib_warning ("no local listener");
return -1;
}
- application_local_listener_session_endpoint (ll, &sep);
- session_lookup_del_session_endpoint (table_index, &sep);
+ app_listener = app_local_listener_get (server, ll->listener_db_index);
+ if (!clib_bitmap_get (app_listener->workers, wrk_map_index))
+ {
+ clib_warning ("app wrk %u not listening on handle %lu", wrk_map_index,
+ lh);
+ return -1;
+ }
+
+ server_wrk = application_get_worker (server, wrk_map_index);
/* *INDENT-OFF* */
pool_foreach (ls, server_wrk->local_sessions, ({
if (ls->listener_index == ll->session_index)
application_local_session_disconnect (server_wrk->app_index, ls);
}));
/* *INDENT-ON* */
- pool_put_index (server_wrk->local_listen_sessions, ll->session_index);
+
+ clib_bitmap_set_no_check (app_listener->workers, wrk_map_index, 0);
+ if (clib_bitmap_is_zero (app_listener->workers))
+ {
+ app_local_listener_free (server, app_listener);
+ application_local_listener_session_endpoint (ll, &sep);
+ session_lookup_del_session_endpoint (table_index, &sep);
+ application_local_listen_session_free (server, ll);
+ }
return 0;
}
@@ -1317,8 +1566,7 @@
local_session_t *ls;
svm_msg_q_t *sq, *cq;
- ls = application_alloc_local_session (server_wrk);
-
+ ls = application_local_session_alloc (server_wrk);
server = application_get (server_wrk->app_index);
client = application_get (client_wrk->app_index);
@@ -1380,6 +1628,7 @@
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;
if ((rv = server->cb_fns.add_segment_callback (server->api_client_index,
&seg->ssvm)))
@@ -1495,24 +1744,41 @@
segment_manager_del_segment (sm, seg);
}
- application_free_local_session (server_wrk, ls);
+ application_local_session_free (server_wrk, ls);
return 0;
}
int
-application_local_session_disconnect (u32 app_wrk_index, local_session_t * ls)
+application_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 application_local_session_cleanup (client_wrk, server_wrk, ls);
- if (app_wrk_index == ls->client_wrk_index)
+ if (app_index == ls->client_wrk_index)
{
mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
}
@@ -1556,30 +1822,16 @@
}
void
-application_local_sessions_free (app_worker_t * app_wrk)
+app_worker_local_sessions_free (app_worker_t * app_wrk)
{
- u32 index, server_wrk_index, session_index, table_index;
- segment_manager_t *sm;
+ u32 index, server_wrk_index, session_index;
u64 handle, *handles = 0;
- local_session_t *ls, *ll;
app_worker_t *server_wrk;
- session_endpoint_t sep;
- application_t *app;
+ segment_manager_t *sm;
+ local_session_t *ls;
int i;
/*
- * Local listens. Don't bother with local sessions, we clean them lower
- */
- app = application_get (app_wrk->app_index);
- table_index = application_local_session_table (app);
- /* *INDENT-OFF* */
- pool_foreach (ll, app_wrk->local_listen_sessions, ({
- application_local_listener_session_endpoint (ll, &sep);
- session_lookup_del_session_endpoint (table_index, &sep);
- }));
- /* *INDENT-ON* */
-
- /*
* Local sessions
*/
if (app_wrk->local_sessions)
@@ -1657,10 +1909,10 @@
if (!app_wrk)
{
if (verbose)
- s = format (s, "%-40s%-25s%-15s%-15s%-10s", "Connection", "App",
- "API Client", "ListenerID", "SegManager");
+ s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
+ "Wrk", "API Client", "ListenerID", "SegManager");
else
- s = format (s, "%-40s%-25s", "Connection", "App");
+ s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
return s;
}
@@ -1672,11 +1924,12 @@
if (verbose)
{
- s = format (s, "%-40s%-25s%-15u%-15u%-10u", str, app_name,
- app->api_client_index, handle, sm_index);
+ s = format (s, "%-40s%-25s%=10u%-15u%-15u%-10u", str, app_name,
+ app_wrk->wrk_map_index, app->api_client_index, handle,
+ sm_index);
}
else
- s = format (s, "%-40s%-25s", str, app_name);
+ s = format (s, "%-40s%-25s%=10u", str, app_name, app_wrk->wrk_map_index);
vec_free (app_name);
return s;
@@ -1817,13 +2070,6 @@
return;
/* *INDENT-OFF* */
- pool_foreach (ls, app_wrk->local_listen_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%-20s", conn, ls->app_wrk_index, "*");
- vec_reset_length (conn);
- }));
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,
@@ -1840,8 +2086,12 @@
static void
application_format_local_sessions (application_t * app, int verbose)
{
+ vlib_main_t *vm = vlib_get_main ();
app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
+ transport_proto_t tp;
+ local_session_t *ls;
+ u8 *conn = 0;
if (!app)
{
@@ -1849,6 +2099,23 @@
return;
}
+ /*
+ * Format local listeners
+ */
+
+ /* *INDENT-OFF* */
+ pool_foreach (ls, app->local_listen_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%-20s", conn, ls->app_wrk_index, "*");
+ vec_reset_length (conn);
+ }));
+ /* *INDENT-ON* */
+
+ /*
+ * Format local accepted/connected sessions
+ */
/* *INDENT-OFF* */
pool_foreach (wrk_map, app->worker_maps, ({
app_wrk = app_worker_get (wrk_map->wrk_index);
diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h
index de609d2..e83b7a6 100644
--- a/src/vnet/session/application.h
+++ b/src/vnet/session/application.h
@@ -60,6 +60,8 @@
typedef struct app_worker_
{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+
/** Worker index in global worker pool*/
u32 wrk_index;
@@ -93,9 +95,6 @@
/** Segment manager used for incoming "cut through" connects */
u32 local_segment_manager;
- /** Pool of local listen sessions */
- local_session_t *local_listen_sessions;
-
/** Pool of local sessions the app owns (as a server) */
local_session_t *local_sessions;
@@ -110,6 +109,13 @@
u32 wrk_index;
} app_worker_map_t;
+typedef struct app_listener_
+{
+ clib_bitmap_t *workers; /**< workers accepting connections */
+ u32 accept_rotor; /**< last worker to accept a connection */
+ u32 al_index;
+} app_listener_t;
+
typedef struct application_
{
/** App index in app pool */
@@ -138,6 +144,15 @@
u16 proxied_transports;
+ /** Pool of listeners for the app */
+ app_listener_t *listeners;
+
+ /** Pool of local listeners for app */
+ app_listener_t *local_listeners;
+
+ /** Pool of local listen sessions */
+ local_session_t *local_listen_sessions;
+
/*
* TLS Specific
*/
@@ -150,6 +165,7 @@
/** Preferred tls engine */
u8 tls_engine;
+
} application_t;
typedef struct app_main_
@@ -207,11 +223,8 @@
int app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk);
app_worker_t *app_worker_get (u32 wrk_index);
app_worker_t *app_worker_get_if_valid (u32 wrk_index);
+application_t *app_worker_get_app (u32 wrk_index);
void app_worker_free (app_worker_t * app_wrk);
-int app_worker_start_listen (app_worker_t * app,
- session_endpoint_t * tep,
- session_handle_t * handle);
-int app_worker_stop_listen (session_handle_t handle, u32 app_wrk_index);
int app_worker_open_session (app_worker_t * app, session_endpoint_t * tep,
u32 api_context);
segment_manager_t *app_worker_get_listen_segment_manager (app_worker_t *,
@@ -224,8 +237,17 @@
u8 fib_proto,
u8 transport_proto);
u8 app_worker_application_is_builtin (app_worker_t * app_wrk);
+int app_worker_send_event (app_worker_t * app, stream_session_t * s, u8 evt);
+int app_worker_lock_and_send_event (app_worker_t * app, stream_session_t * s,
+ u8 evt_type);
clib_error_t *vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a);
+int application_start_listen (application_t * app,
+ session_endpoint_extended_t * tep,
+ session_handle_t * handle);
+int application_stop_listen (u32 app_index, u32 app_wrk_index,
+ session_handle_t handle);
+
application_t *application_alloc (void);
int application_alloc_and_init (app_init_args_t * args);
void application_free (application_t * app);
@@ -236,8 +258,10 @@
u32 application_index (application_t * app);
app_worker_t *application_get_worker (application_t * app, u32 wrk_index);
app_worker_t *application_get_default_worker (application_t * app);
-int application_api_queue_is_full (application_t * app);
+app_worker_t *application_listener_select_worker (stream_session_t * ls,
+ u8 is_local);
+int application_api_queue_is_full (application_t * app);
int application_is_proxy (application_t * app);
int application_is_builtin (application_t * app);
@@ -252,12 +276,17 @@
void application_remove_proxy (application_t * app);
segment_manager_properties_t *application_get_segment_manager_properties (u32
- app_wrk_index);
+ app_index);
+
segment_manager_properties_t
* application_segment_manager_properties (application_t * app);
-local_session_t *application_alloc_local_session (app_worker_t * app);
-void application_free_local_session (app_worker_t * app,
+/*
+ * Local session
+ */
+
+local_session_t *application_local_session_alloc (app_worker_t * app);
+void application_local_session_free (app_worker_t * app,
local_session_t * ls);
local_session_t *application_get_local_session (app_worker_t * app,
u32 session_index);
@@ -265,29 +294,39 @@
handle);
local_session_t
* application_get_local_listen_session_from_handle (session_handle_t lh);
-int application_start_local_listen (app_worker_t * server,
- session_endpoint_t * sep,
+int application_start_local_listen (application_t * server,
+ session_endpoint_extended_t * sep,
session_handle_t * handle);
-int application_stop_local_listen (session_handle_t lh, u32 app_wrk_index);
+int application_stop_local_listen (u32 app_index, u32 app_wrk_index,
+ session_handle_t lh);
int application_local_session_connect (app_worker_t * client,
app_worker_t * server,
- local_session_t * ll, u32 opaque);
+ local_session_t * ls, u32 opaque);
int application_local_session_connect_notify (local_session_t * ls);
int application_local_session_disconnect (u32 app_wrk_index,
local_session_t * ls);
int application_local_session_disconnect_w_index (u32 app_wrk_index,
u32 ls_index);
-void application_local_sessions_free (app_worker_t * app);
-
-int application_send_event (app_worker_t * app, stream_session_t * s, u8 evt);
-int application_lock_and_send_event (app_worker_t * app,
- stream_session_t * s, u8 evt_type);
+void app_worker_local_sessions_free (app_worker_t * app);
always_inline u32
-local_session_id (local_session_t * ll)
+local_session_id (local_session_t * ls)
{
- ASSERT (ll->app_wrk_index < (2 << 16) && ll->session_index < (2 << 16));
- return ((u32) ll->app_wrk_index << 16 | (u32) ll->session_index);
+ ASSERT (ls->session_index < (2 << 16));
+ u32 app_or_wrk_index;
+
+ if (ls->session_state == SESSION_STATE_LISTENING)
+ {
+ ASSERT (ls->app_index < (2 << 16));
+ app_or_wrk_index = ls->app_index;
+ }
+ else
+ {
+ ASSERT (ls->app_wrk_index < (2 << 16));
+ app_or_wrk_index = ls->app_wrk_index;
+ }
+
+ return ((u32) app_or_wrk_index << 16 | (u32) ls->session_index);
}
always_inline void
@@ -315,7 +354,7 @@
}
always_inline local_session_t *
-application_get_local_listen_session (app_worker_t * app, u32 session_index)
+application_get_local_listen_session (application_t * app, u32 session_index)
{
return pool_elt_at_index (app->local_listen_sessions, session_index);
}
@@ -323,10 +362,10 @@
always_inline local_session_t *
application_get_local_listener_w_handle (session_handle_t handle)
{
- u32 server_wrk_index, session_index;
- app_worker_t *app;
- local_session_parse_handle (handle, &server_wrk_index, &session_index);
- app = app_worker_get (server_wrk_index);
+ u32 server_index, session_index;
+ application_t *app;
+ local_session_parse_handle (handle, &server_index, &session_index);
+ app = application_get (server_index);
return application_get_local_listen_session (app, session_index);
}
diff --git a/src/vnet/session/application_interface.c b/src/vnet/session/application_interface.c
index 2e63136..ab87def 100644
--- a/src/vnet/session/application_interface.c
+++ b/src/vnet/session/application_interface.c
@@ -147,11 +147,10 @@
}
}
-static int
-vnet_bind_i (vnet_bind_args_t * a)
+static inline int
+vnet_bind_inline (vnet_bind_args_t * a)
{
- u64 lh, ll_handle = SESSION_INVALID_HANDLE;
- u32 table_index, fib_proto;
+ u64 ll_handle = SESSION_INVALID_HANDLE;
app_worker_t *app_wrk;
application_t *app;
int rv;
@@ -163,17 +162,12 @@
return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
}
app_wrk = application_get_worker (app, a->wrk_map_index);
+ a->sep_ext.app_wrk_index = app_wrk->wrk_index;
session_endpoint_update_for_app (&a->sep, app);
if (!session_endpoint_in_ns (&a->sep))
return VNET_API_ERROR_INVALID_VALUE_2;
- fib_proto = session_endpoint_fib_proto (&a->sep);
- table_index = application_session_table (app, fib_proto);
- lh = session_lookup_endpoint_listener (table_index, &a->sep, 1);
- if (lh != SESSION_INVALID_HANDLE)
- return VNET_API_ERROR_ADDRESS_IN_USE;
-
/*
* Add session endpoint to local session table. Only binds to "inaddr_any"
* (i.e., zero address) are added to local scope table.
@@ -181,8 +175,8 @@
if (application_has_local_scope (app)
&& session_endpoint_is_local (&a->sep))
{
- if ((rv =
- application_start_local_listen (app_wrk, &a->sep, &a->handle)))
+ if ((rv = application_start_local_listen (app, &a->sep_ext,
+ &a->handle)))
return rv;
ll_handle = a->handle;
}
@@ -195,13 +189,17 @@
*/
/* Setup listen path down to transport */
- rv = app_worker_start_listen (app_wrk, &a->sep, &a->handle);
+ rv = application_start_listen (app, &a->sep_ext, &a->handle);
if (rv && ll_handle != SESSION_INVALID_HANDLE)
- session_lookup_del_session_endpoint (table_index, &a->sep);
+ {
+ application_stop_local_listen (a->app_index, a->wrk_map_index,
+ ll_handle);
+ return rv;
+ }
/*
* Store in local table listener the index of the transport layer
- * listener. We'll need local listeners are hit and we need to
+ * listener. We'll need if if local listeners are hit and we need to
* return global handle
*/
if (ll_handle != SESSION_INVALID_HANDLE)
@@ -210,18 +208,19 @@
stream_session_t *tl;
ll = application_get_local_listener_w_handle (ll_handle);
tl = listen_session_get_from_handle (a->handle);
- ll->transport_listener_index = tl->session_index;
+ if (ll->transport_listener_index == ~0)
+ ll->transport_listener_index = tl->session_index;
}
return rv;
}
-int
-vnet_unbind_i (u32 app_index, session_handle_t handle)
+static inline int
+vnet_unbind_inline (vnet_unbind_args_t * a)
{
application_t *app;
int rv;
- if (!(app = application_get_if_valid (app_index)))
+ if (!(app = application_get_if_valid (a->app_index)))
{
SESSION_DBG ("app (%d) not attached", wrk_map_index);
return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
@@ -229,7 +228,8 @@
if (application_has_local_scope (app))
{
- if ((rv = application_stop_local_listen (handle, app_index)))
+ if ((rv = application_stop_local_listen (a->app_index,
+ a->wrk_map_index, a->handle)))
return rv;
}
@@ -237,7 +237,8 @@
* Clear the global scope table of the listener
*/
if (application_has_global_scope (app))
- return app_worker_stop_listen (handle, app_index);
+ return application_stop_listen (a->app_index, a->wrk_map_index,
+ a->handle);
return 0;
}
@@ -247,7 +248,7 @@
app_worker_t *server_wrk, *client_wrk;
u32 table_index, server_index, li;
stream_session_t *listener;
- application_t *client;
+ application_t *client, *server;
local_session_t *ll;
u8 fib_proto;
u64 lh;
@@ -283,8 +284,11 @@
*/
if (server_index != a->app_index)
{
- server_wrk = app_worker_get (server_index);
- ll = application_get_local_listen_session (server_wrk, li);
+ server = application_get (server_index);
+ ll = application_get_local_listen_session (server, li);
+ listener = (stream_session_t *) ll;
+ server_wrk = application_listener_select_worker (listener,
+ 1 /* is_local */ );
return application_local_session_connect (client_wrk,
server_wrk, ll,
a->api_context);
@@ -308,13 +312,11 @@
listener = session_lookup_listener (table_index, &a->sep);
if (listener)
{
- server_wrk = app_worker_get (listener->app_wrk_index);
- if (server_wrk)
- {
- ll = (local_session_t *) listener;
- return application_local_session_connect (client_wrk, server_wrk,
- ll, a->api_context);
- }
+ server_wrk = application_listener_select_worker (listener,
+ 0 /* is_local */ );
+ ll = (local_session_t *) listener;
+ return application_local_session_connect (client_wrk, server_wrk, ll,
+ a->api_context);
}
/*
@@ -531,7 +533,7 @@
if (rv)
return rv;
clib_memcpy (&a->sep_ext, &sep, sizeof (sep));
- return vnet_bind_i (a);
+ return vnet_bind_inline (a);
}
int
@@ -553,8 +555,8 @@
(session_endpoint_t *) & sep);
if (!listener)
return VNET_API_ERROR_ADDRESS_NOT_IN_USE;
-
- return vnet_unbind_i (a->app_index, listen_session_get_handle (listener));
+ a->handle = listen_session_get_handle (listener);
+ return vnet_unbind_inline (a);
}
clib_error_t *
@@ -592,13 +594,6 @@
if (!(ls = application_get_local_session_from_handle (a->handle)))
return 0;
- if (ls->app_wrk_index != a->app_index
- && ls->client_wrk_index != a->app_index)
- {
- clib_warning ("app %u is neither client nor server for session %u",
- a->app_index, a->app_index);
- return VNET_API_ERROR_INVALID_VALUE;
- }
return application_local_session_disconnect (a->app_index, ls);
}
else
@@ -620,7 +615,7 @@
vnet_bind (vnet_bind_args_t * a)
{
int rv;
- if ((rv = vnet_bind_i (a)))
+ if ((rv = vnet_bind_inline (a)))
return clib_error_return_code (0, rv, 0, "bind failed: %d", rv);
return 0;
}
@@ -629,7 +624,7 @@
vnet_unbind (vnet_unbind_args_t * a)
{
int rv;
- if ((rv = vnet_unbind_i (a->app_index, a->handle)))
+ if ((rv = vnet_unbind_inline (a)))
return clib_error_return_code (0, rv, 0, "unbind failed: %d", rv);
return 0;
}
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 1f481dc..1eefb0c 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -64,7 +64,7 @@
u64 handle; /**< Session handle */
};
u32 app_index; /**< Owning application index */
- u32 app_wrk_index; /**< App's local pool worker index */
+ u32 wrk_map_index; /**< App's local pool worker index */
} vnet_unbind_args_t;
typedef struct _vnet_connect_args
diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c
index 158a8e8..83d1963 100644
--- a/src/vnet/session/segment_manager.c
+++ b/src/vnet/session/segment_manager.c
@@ -34,7 +34,8 @@
segment_manager_properties_t *
segment_manager_properties_get (segment_manager_t * sm)
{
- return application_get_segment_manager_properties (sm->app_wrk_index);
+ app_worker_t *app_wrk = app_worker_get (sm->app_wrk_index);
+ return application_get_segment_manager_properties (app_wrk->app_index);
}
segment_manager_properties_t *
diff --git a/src/vnet/session/session.api b/src/vnet/session/session.api
index 24ebfba..aa73212 100644
--- a/src/vnet/session/session.api
+++ b/src/vnet/session/session.api
@@ -294,11 +294,13 @@
/** \brief Unbind
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
+ @param wrk_index - index of worker requesting the bind
@param handle - bind handle obtained from bind reply
*/
autoreply define unbind_sock {
u32 client_index;
u32 context;
+ u32 wrk_index;
u64 handle;
};
diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c
index 57ac384..952a5a9 100644
--- a/src/vnet/session/session.c
+++ b/src/vnet/session/session.c
@@ -505,9 +505,9 @@
/* *INDENT-ON* */
if (lock)
- return application_lock_and_send_event (app, s, FIFO_EVENT_APP_RX);
+ return app_worker_lock_and_send_event (app, s, FIFO_EVENT_APP_RX);
- return application_send_event (app, s, FIFO_EVENT_APP_RX);
+ return app_worker_send_event (app, s, FIFO_EVENT_APP_RX);
}
int
@@ -520,9 +520,9 @@
return -1;
if (session_transport_service_type (s) == TRANSPORT_SERVICE_CL)
- return application_lock_and_send_event (app, s, FIFO_EVENT_APP_RX);
+ return app_worker_lock_and_send_event (app, s, FIFO_EVENT_APP_RX);
- return application_send_event (app, s, FIFO_EVENT_APP_TX);
+ return app_worker_send_event (app, s, FIFO_EVENT_APP_TX);
}
/**
@@ -971,103 +971,35 @@
return session_open_srv_fns[tst] (app_wrk_index, rmt, opaque);
}
-int
-session_listen_vc (stream_session_t * s, session_endpoint_t * sep)
-{
- transport_connection_t *tc;
- u32 tci;
-
- /* Transport bind/listen */
- tci = tp_vfts[sep->transport_proto].bind (s->session_index,
- session_endpoint_to_transport
- (sep));
-
- if (tci == (u32) ~ 0)
- return -1;
-
- /* Attach transport to session */
- s->connection_index = tci;
- tc = tp_vfts[sep->transport_proto].get_listener (tci);
-
- /* Weird but handle it ... */
- if (tc == 0)
- return -1;
-
- /* Add to the main lookup table */
- session_lookup_add_connection (tc, s->session_index);
- return 0;
-}
-
-int
-session_listen_cl (stream_session_t * s, session_endpoint_t * sep)
-{
- transport_connection_t *tc;
- app_worker_t *server;
- segment_manager_t *sm;
- u32 tci;
-
- /* Transport bind/listen */
- tci = tp_vfts[sep->transport_proto].bind (s->session_index,
- session_endpoint_to_transport
- (sep));
-
- if (tci == (u32) ~ 0)
- return -1;
-
- /* Attach transport to session */
- s->connection_index = tci;
- tc = tp_vfts[sep->transport_proto].get_listener (tci);
-
- /* Weird but handle it ... */
- if (tc == 0)
- return -1;
-
- server = app_worker_get (s->app_wrk_index);
- sm = app_worker_get_listen_segment_manager (server, s);
- if (session_alloc_fifos (sm, s))
- return -1;
-
- /* Add to the main lookup table */
- session_lookup_add_connection (tc, s->session_index);
- return 0;
-}
-
-int
-session_listen_app (stream_session_t * s, session_endpoint_t * sep)
-{
- session_endpoint_extended_t esep;
- clib_memcpy (&esep, sep, sizeof (*sep));
- esep.app_wrk_index = s->app_wrk_index;
-
- return tp_vfts[sep->transport_proto].bind (s->session_index,
- (transport_endpoint_t *) & esep);
-}
-
-typedef int (*session_listen_service_fn) (stream_session_t *,
- session_endpoint_t *);
-
-/* *INDENT-OFF* */
-static session_listen_service_fn
-session_listen_srv_fns[TRANSPORT_N_SERVICES] = {
- session_listen_vc,
- session_listen_cl,
- session_listen_app,
-};
-/* *INDENT-ON* */
-
/**
- * Ask transport to listen on local transport endpoint.
+ * Ask transport to listen on session endpoint.
*
* @param s Session for which listen will be called. Note that unlike
* established sessions, listen sessions are not associated to a
* thread.
- * @param tep Local endpoint to be listened on.
+ * @param sep Local endpoint to be listened on.
*/
int
-stream_session_listen (stream_session_t * s, session_endpoint_t * sep)
+session_listen (stream_session_t * ls, session_endpoint_extended_t * sep)
{
- transport_service_type_t tst = tp_vfts[sep->transport_proto].service_type;
- return session_listen_srv_fns[tst] (s, sep);
+ transport_connection_t *tc;
+ transport_endpoint_t *tep;
+ u32 tc_index;
+
+ /* Transport bind/listen */
+ tep = session_endpoint_to_transport (sep);
+ tc_index = tp_vfts[sep->transport_proto].bind (ls->session_index, tep);
+
+ if (tc_index == (u32) ~ 0)
+ return -1;
+
+ /* Attach transport to session */
+ ls->connection_index = tc_index;
+
+ /* Add to the main lookup table after transport was initialized */
+ tc = tp_vfts[sep->transport_proto].get_listener (tc_index);
+ session_lookup_add_connection (tc, ls->session_index);
+ return 0;
}
/**
@@ -1076,7 +1008,7 @@
* @param s Session to stop listening on. It must be in state LISTENING.
*/
int
-stream_session_stop_listen (stream_session_t * s)
+session_stop_listen (stream_session_t * s)
{
transport_proto_t tp = session_get_transport_proto (s);
transport_connection_t *tc;
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index 184fa99..19609da 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -24,7 +24,7 @@
#define HALF_OPEN_LOOKUP_INVALID_VALUE ((u64)~0)
#define INVALID_INDEX ((u32)~0)
-#define SESSION_PROXY_LISTENER_INDEX ((u32)~0 - 1)
+#define SESSION_PROXY_LISTENER_INDEX ((u8)~0 - 1)
#define SESSION_LOCAL_HANDLE_PREFIX 0x7FFFFFFF
/* TODO decide how much since we have pre-data as well */
@@ -550,8 +550,8 @@
int stream_session_accept (transport_connection_t * tc, u32 listener_index,
u8 notify);
int session_open (u32 app_index, session_endpoint_t * tep, u32 opaque);
-int stream_session_listen (stream_session_t * s, session_endpoint_t * tep);
-int stream_session_stop_listen (stream_session_t * s);
+int session_listen (stream_session_t * s, session_endpoint_extended_t * sep);
+int session_stop_listen (stream_session_t * s);
void stream_session_disconnect (stream_session_t * s);
void stream_session_disconnect_transport (stream_session_t * s);
void stream_session_cleanup (stream_session_t * s);
diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c
index 78c05c3..aa29090 100755
--- a/src/vnet/session/session_api.c
+++ b/src/vnet/session/session_api.c
@@ -255,7 +255,7 @@
}
else
{
- ll = application_get_local_listen_session (server_wrk,
+ ll = application_get_local_listen_session (server,
ls->listener_index);
if (ll->transport_listener_index != ~0)
{
@@ -445,7 +445,7 @@
memset (evt, 0, sizeof (*evt));
evt->event_type = SESSION_CTRL_EVT_ACCEPTED;
mp = (session_accepted_msg_t *) evt->data;
- mp->context = app_wrk->wrk_index;
+ mp->context = app->app_index;
mp->server_rx_fifo = pointer_to_uword (s->server_rx_fifo);
mp->server_tx_fifo = pointer_to_uword (s->server_tx_fifo);
@@ -489,9 +489,7 @@
}
else
{
- ll =
- application_get_local_listen_session (app_wrk,
- ls->listener_index);
+ ll = application_get_local_listen_session (app, ls->listener_index);
if (ll->transport_listener_index != ~0)
{
listener = listen_session_get (ll->transport_listener_index);
@@ -687,7 +685,7 @@
else
{
local_session_t *local;
- local = application_get_local_listen_session_from_handle (handle);
+ local = application_get_local_listener_w_handle (handle);
mp->lcl_port = local->port;
mp->lcl_is_ip4 = session_type_is_ip4 (local->session_type);
}
@@ -1239,6 +1237,7 @@
{
a->app_index = app->app_index;
a->handle = mp->handle;
+ a->wrk_map_index = mp->wrk_index;
if ((error = vnet_unbind (a)))
{
rv = clib_error_get_code (error);
@@ -1255,7 +1254,7 @@
{
vl_api_connect_session_reply_t *rmp;
vnet_connect_args_t _a, *a = &_a;
- application_t *app;
+ application_t *app = 0;
clib_error_t *error = 0;
int rv = 0;
@@ -1307,6 +1306,12 @@
done:
REPLY_MACRO (VL_API_CONNECT_SESSION_REPLY);
+
+ if (app && application_use_mq_for_ctrl (app))
+ {
+ app_worker_t *app_wrk = application_get_worker (app, mp->wrk_index);
+ mq_send_session_connected_cb (app_wrk->wrk_index, mp->context, 0, 1);
+ }
}
static void
diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index 2c425ab..119cdd8 100644
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -43,10 +43,19 @@
if (session_handle_is_local (mp->handle))
{
+ app_worker_t *app_wrk;
+ application_t *app;
ls = application_get_local_session_from_handle (mp->handle);
- if (!ls || ls->app_wrk_index != mp->context)
+ if (!ls)
{
- clib_warning ("server %u doesn't own local handle %llu",
+ clib_warning ("unknown local handle 0x%lx", mp->handle);
+ return;
+ }
+ app_wrk = app_worker_get (ls->app_wrk_index);
+ app = application_get (app_wrk->app_index);
+ if (app->app_index != mp->context)
+ {
+ clib_warning ("server %u doesn't own local handle 0x%lx",
mp->context, mp->handle);
return;
}
@@ -72,7 +81,7 @@
{
app_worker_t *app;
app = app_worker_get (s->app_wrk_index);
- application_send_event (app, s, FIFO_EVENT_APP_RX);
+ app_worker_send_event (app, s, FIFO_EVENT_APP_RX);
}
}
}
@@ -726,7 +735,7 @@
stream_session_t * s, int *n_tx_pkts)
{
application_t *app;
- app = application_get (s->opaque);
+ app = application_get (s->t_app_index);
svm_fifo_unset_event (s->server_tx_fifo);
return app->cb_fns.builtin_app_tx_callback (s);
}
diff --git a/src/vnet/session/session_test.c b/src/vnet/session/session_test.c
index 6f162a8..058644d 100644
--- a/src/vnet/session/session_test.c
+++ b/src/vnet/session/session_test.c
@@ -262,7 +262,7 @@
};
ip4_address_t intf_addr = {
- .as_u32 = clib_host_to_net_u32 (0x06000105),
+ .as_u32 = clib_host_to_net_u32 (0x07000105),
};
intf_sep.ip.ip4 = intf_addr;
@@ -1376,7 +1376,7 @@
char *show_listeners = "sh session listeners tcp verbose";
char *show_local_listeners = "sh app ns table default";
unformat_input_t tmp_input;
- u32 server_index, app_index, server_wrk_index;
+ u32 server_index, app_index;
u32 dummy_server_api_index = ~0, sw_if_index = 0;
clib_error_t *error = 0;
u8 is_filtered = 0;
@@ -1384,7 +1384,6 @@
transport_connection_t *tc;
u16 lcl_port = 1234, rmt_port = 4321;
app_namespace_t *app_ns;
- application_t *server;
int verbose = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
@@ -1444,8 +1443,6 @@
error = vnet_application_attach (&attach_args);
SESSION_TEST ((error == 0), "server attachment should work");
server_index = attach_args.app_index;
- server = application_get (server_index);
- server_wrk_index = application_get_default_worker (server)->wrk_index;
if (verbose)
{
@@ -1462,7 +1459,7 @@
SESSION_TEST ((tc != 0), "lookup 1.2.3.4 1234 5.6.7.8 4321 should be "
"successful");
s = listen_session_get (tc->s_index);
- SESSION_TEST ((s->app_wrk_index == server_wrk_index), "lookup should return"
+ SESSION_TEST ((s->app_index == server_index), "lookup should return"
" the server");
tc = session_lookup_connection_wt4 (0, &rmt_ip, &rmt_ip, lcl_port, rmt_port,
diff --git a/src/vnet/session/stream_session.h b/src/vnet/session/stream_session.h
index 567962a..b08f959 100644
--- a/src/vnet/session/stream_session.h
+++ b/src/vnet/session/stream_session.h
@@ -60,7 +60,7 @@
/** Session index in per_thread pool */
u32 session_index;
- /** app worker pool index */
+ /** App worker pool index */
u32 app_wrk_index;
u8 thread_index;
@@ -78,6 +78,19 @@
{
/** Parent listener session if the result of an accept */
u32 listener_index;
+
+ /** Application index if a listener */
+ u32 app_index;
+ };
+
+ union
+ {
+ /** Transport app index for apps acting as transports */
+ u32 t_app_index;
+
+ /** Index in listener app's listener db */
+ u32 listener_db_index;
+
/** Opaque, for general use */
u32 opaque;
};
@@ -103,17 +116,25 @@
/** Server index */
u32 app_wrk_index;
+ /** Port for connection. Overlaps thread_index/enqueue_epoch */
+ u16 port;
+
/** Segment index where fifos were allocated */
u32 svm_segment_index;
- u32 listener_index;
+ /** Transport listener index. Overlaps connection index */
+ u32 transport_listener_index;
- /** Port for connection */
- u16 port;
+ union
+ {
+ u32 listener_index;
+ u32 app_index;
+ };
+
+ u32 listener_db_index;
/** Has transport embedded when listener not purely local */
session_type_t listener_session_type;
- u32 transport_listener_index;
/**
* Client data