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authorFlorin Coras <fcoras@cisco.com>2018-08-31 14:31:41 -0700
committerDamjan Marion <dmarion@me.com>2018-09-06 08:35:51 +0000
commitab2f6dbf9f7b7164a9810f4c80c8abf8463e42ad (patch)
tree7fb4dd4c70bef17f09a88130eeadeeca86b6d09c /src/vnet/session/application.c
parented234e7f151b05a5b8375dbd9f0add24fe8ebf2f (diff)
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>
Diffstat (limited to 'src/vnet/session/application.c')
-rw-r--r--src/vnet/session/application.c537
1 files changed, 402 insertions, 135 deletions
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index b7498d00881..8cf32896631 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 @@ application_local_session_table (application_t * app)
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 @@ application_free (application_t * app)
{
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 @@ application_free (application_t * app)
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 @@ application_free (application_t * app)
/* *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 @@ application_get_default_worker (application_t * app)
}
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 @@ app_worker_free (app_worker_t * app_wrk)
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 @@ app_worker_free (app_worker_t * app_wrk)
/*
* 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 @@ app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk)
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;
@@ -536,6 +654,59 @@ application_alloc_segment_manager (app_worker_t * app_wrk)
return sm;
}
+int
+app_worker_start_listen (app_worker_t * app_wrk, stream_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. */
+ 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 */
+ hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
+ segment_manager_index (sm));
+
+ if (!ls->server_rx_fifo
+ && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
+ {
+ if (session_alloc_fifos (sm, ls))
+ return -1;
+ }
+ return 0;
+}
+
+int
+app_worker_stop_listen (app_worker_t * app_wrk, session_handle_t handle)
+{
+ segment_manager_t *sm;
+ uword *sm_indexp;
+
+ sm_indexp = hash_get (app_wrk->listeners_table, handle);
+ if (PREDICT_FALSE (!sm_indexp))
+ {
+ clib_warning ("listener handle was removed %llu!", handle);
+ return -1;
+ }
+
+ 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;
+ segment_manager_del_sessions (sm);
+ }
+ else
+ {
+ segment_manager_init_del (sm);
+ }
+ hash_unset (app_wrk->listeners_table, handle);
+
+ return 0;
+}
+
/**
* Start listening local transport endpoint for requested transport.
*
@@ -544,40 +715,75 @@ application_alloc_segment_manager (app_worker_t * app_wrk)
* it's own specific listening connection.
*/
int
-app_worker_start_listen (app_worker_t * app_wrk, session_endpoint_t * sep,
- session_handle_t * res)
+application_start_listen (application_t * app,
+ session_endpoint_extended_t * sep_ext,
+ session_handle_t * res)
{
- segment_manager_t *sm;
- stream_session_t *s;
- session_handle_t handle;
+ 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;
- 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;
+ /*
+ * 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;
- /* 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;
+ 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;
- /* 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));
+ if (app_worker_start_listen (app_wrk, ls))
+ return -1;
- if (stream_session_listen (s, sep))
- {
- segment_manager_del (sm);
- hash_unset (app_wrk->listeners_table, handle);
- goto err;
+ 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;
}
- *res = handle;
+ /*
+ * 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 (s);
+ listen_session_del (ls);
return -1;
}
@@ -585,48 +791,43 @@ err:
* 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
+ * @param app_index index of the app owning the handle.
+ * @param app_wrk_index index of the worker requesting the stop
*/
int
-app_worker_stop_listen (session_handle_t handle, u32 app_index)
+application_stop_listen (u32 app_index, u32 app_wrk_index,
+ session_handle_t handle)
{
+ app_listener_t *app_listener;
stream_session_t *listener;
- segment_manager_t *sm;
app_worker_t *app_wrk;
- uword *indexp;
+ application_t *app;
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))
+ 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;
}
- if (PREDICT_FALSE (hash_get (app_wrk->listeners_table, handle) == 0))
+
+ app_listener = app_listener_get (app, listener->listener_db_index);
+ if (!clib_bitmap_get (app_listener->workers, app_wrk_index))
{
- clib_warning ("listener handle was removed %llu!", handle);
- return -1;
+ clib_warning ("worker not listening on handle %lu", handle);
+ return 0;
}
- stream_session_stop_listen (listener);
-
- indexp = hash_get (app_wrk->listeners_table, handle);
- ASSERT (indexp);
+ 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);
- sm = segment_manager_get (*indexp);
- if (app_wrk->first_segment_manager == *indexp)
- {
- /* Delete sessions but don't remove segment manager */
- app_wrk->first_segment_manager_in_use = 0;
- segment_manager_del_sessions (sm);
- }
- else
+ if (clib_bitmap_is_zero (app_listener->workers))
{
- segment_manager_init_del (sm);
+ session_stop_listen (listener);
+ app_listener_free (app, app_listener);
+ listen_session_del (listener);
}
- hash_unset (app_wrk->listeners_table, handle);
- listen_session_del (listener);
return 0;
}
@@ -653,7 +854,7 @@ app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
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 @@ vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a)
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 @@ app_worker_first_listener (app_worker_t * app, u8 fib_proto,
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 @@ application_proxy_listener (app_worker_t * app, u8 fib_proto,
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 @@ application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto,
{
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 @@ application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto,
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 @@ application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto,
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 @@ static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = {
* 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 @@ application_get_local_session_from_handle (session_handle_t handle)
}
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_t *ll;
+ pool_get (app->local_listen_sessions, ll);
+ memset (ll, 0, sizeof (*ll));
+ return ll;
+}
- 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);
+u32
+application_local_listener_index (application_t * app, local_session_t * ll)
+{
+ return (ll - app->local_listen_sessions);
}
-always_inline void
-application_local_listener_session_endpoint (local_session_t * ll,
- session_endpoint_t * sep)
+void
+application_local_listen_session_free (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;
+ 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 @@ application_start_local_listen (app_worker_t * app_wrk,
* 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 @@ application_stop_local_listen (session_handle_t lh, u32 app_index)
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 @@ application_local_session_connect (app_worker_t * client_wrk,
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 @@ application_local_session_connect (app_worker_t * client_wrk,
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 @@ application_local_session_cleanup (app_worker_t * client_wrk,
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 @@ application_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
}
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 @@ format_app_worker_listener (u8 * s, va_list * args)
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 @@ format_app_worker_listener (u8 * s, va_list * args)
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 @@ app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose)
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 @@ app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose)
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 @@ application_format_local_sessions (application_t * app, int verbose)
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);