/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
static app_main_t app_main;
+#define app_interface_check_thread_and_barrier(_fn, _arg) \
+ if (PREDICT_FALSE (!vlib_thread_is_main_w_barrier ())) \
+ { \
+ vlib_rpc_call_main_thread (_fn, (u8 *) _arg, sizeof(*_arg)); \
+ return 0; \
+ }
+
+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;
+}
+
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));
+ clib_memset (app_listener, 0, sizeof (*app_listener));
app_listener->al_index = app_listener - app->listeners;
+ app_listener->app_index = app->app_index;
+ app_listener->session_index = SESSION_INVALID_INDEX;
+ app_listener->local_index = SESSION_INVALID_INDEX;
return app_listener;
}
-static app_listener_t *
+app_listener_t *
app_listener_get (application_t * app, u32 app_listener_index)
{
return pool_elt_at_index (app->listeners, app_listener_index);
clib_bitmap_free (app_listener->workers);
pool_put (app->listeners, app_listener);
if (CLIB_DEBUG)
- memset (app_listener, 0xfa, sizeof (*app_listener));
+ clib_memset (app_listener, 0xfa, sizeof (*app_listener));
+}
+
+local_session_t *
+application_local_listen_session_alloc (application_t * app)
+{
+ local_session_t *ll;
+ pool_get_zero (app->local_listen_sessions, ll);
+ ll->session_index = ll - app->local_listen_sessions;
+ ll->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
+ ll->app_index = app->app_index;
+ return ll;
+}
+
+void
+application_local_listen_session_free (application_t * app,
+ local_session_t * ll)
+{
+ pool_put (app->local_listen_sessions, ll);
+ if (CLIB_DEBUG)
+ clib_memset (ll, 0xfb, sizeof (*ll));
+}
+
+static u32
+app_listener_id (app_listener_t * al)
+{
+ ASSERT (al->app_index < 1 << 16 && al->al_index < 1 << 16);
+ return (al->app_index << 16 | al->al_index);
+}
+
+session_handle_t
+app_listener_handle (app_listener_t * al)
+{
+ return ((u64) SESSION_LISTENER_PREFIX << 32 | (u64) app_listener_id (al));
+}
+
+static void
+app_listener_id_parse (u32 listener_id, u32 * app_index,
+ u32 * app_listener_index)
+{
+ *app_index = listener_id >> 16;
+ *app_listener_index = listener_id & 0xFFFF;
+}
+
+void
+app_listener_handle_parse (session_handle_t handle, u32 * app_index,
+ u32 * app_listener_index)
+{
+ app_listener_id_parse (handle & 0xFFFFFFFF, app_index, app_listener_index);
}
static app_listener_t *
-app_local_listener_alloc (application_t * app)
+app_listener_get_w_id (u32 listener_id)
+{
+ u32 app_index, app_listener_index;
+ application_t *app;
+
+ app_listener_id_parse (listener_id, &app_index, &app_listener_index);
+ app = application_get_if_valid (app_index);
+ if (!app)
+ return 0;
+ return app_listener_get (app, app_listener_index);
+}
+
+app_listener_t *
+app_listener_get_w_session (session_t * ls)
+{
+ application_t *app;
+
+ app = application_get_if_valid (ls->app_index);
+ if (!app)
+ return 0;
+ return app_listener_get (app, ls->al_index);
+}
+
+app_listener_t *
+app_listener_get_w_handle (session_handle_t handle)
+{
+
+ if (handle >> 32 != SESSION_LISTENER_PREFIX)
+ return 0;
+
+ return app_listener_get_w_id (handle & 0xFFFFFFFF);
+}
+
+app_listener_t *
+app_listener_lookup (application_t * app, session_endpoint_cfg_t * sep_ext)
+{
+ u32 table_index, fib_proto;
+ session_endpoint_t *sep;
+ session_handle_t handle;
+ local_session_t *ll;
+ session_t *ls;
+
+ sep = (session_endpoint_t *) sep_ext;
+ if (application_has_local_scope (app) && session_endpoint_is_local (sep))
+ {
+ table_index = application_local_session_table (app);
+ handle = session_lookup_endpoint_listener (table_index, sep, 1);
+ if (handle != SESSION_INVALID_HANDLE)
+ {
+ ll = application_get_local_listener_w_handle (handle);
+ return app_listener_get_w_session ((session_t *) ll);
+ }
+ }
+
+ fib_proto = session_endpoint_fib_proto (sep);
+ table_index = application_session_table (app, fib_proto);
+ handle = session_lookup_endpoint_listener (table_index, sep, 1);
+ if (handle != SESSION_INVALID_HANDLE)
+ {
+ ls = listen_session_get_from_handle (handle);
+ return app_listener_get_w_session ((session_t *) ls);
+ }
+
+ return 0;
+}
+
+int
+app_listener_alloc_and_init (application_t * app,
+ session_endpoint_cfg_t * sep,
+ app_listener_t ** listener)
{
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;
+ local_session_t *ll = 0;
+ session_handle_t lh;
+ session_type_t st;
+ session_t *ls = 0;
+ int rv;
+
+ app_listener = app_listener_alloc (app);
+ st = session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4);
+
+ /*
+ * Add session endpoint to local session table. Only binds to "inaddr_any"
+ * (i.e., zero address) are added to local scope table.
+ */
+ if (application_has_local_scope (app)
+ && session_endpoint_is_local ((session_endpoint_t *) sep))
+ {
+ u32 table_index;
+
+ ll = application_local_listen_session_alloc (app);
+ ll->port = sep->port;
+ /* Store the original session type for the unbind */
+ ll->listener_session_type = st;
+ table_index = application_local_session_table (app);
+ lh = application_local_session_handle (ll);
+ session_lookup_add_session_endpoint (table_index,
+ (session_endpoint_t *) sep, lh);
+ app_listener->local_index = ll->session_index;
+ ll->al_index = app_listener->al_index;
+ }
+
+ if (application_has_global_scope (app))
+ {
+ /*
+ * Start listening on local endpoint for requested transport and scope.
+ * Creates a 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.
+ */
+ ls = listen_session_new (0, st);
+ ls->app_index = app->app_index;
+ ls->app_wrk_index = sep->app_wrk_index;
+
+ /* Listen pool can be reallocated if the transport is
+ * recursive (tls) */
+ lh = session_handle (ls);
+
+ if ((rv = session_listen (ls, sep)))
+ {
+ ls = session_get_from_handle (lh);
+ session_free (ls);
+ return rv;
+ }
+ app_listener->session_index = ls->session_index;
+ ls->al_index = app_listener->al_index;
+ }
+
+ if (!ll && !ls)
+ {
+ app_listener_free (app, app_listener);
+ return -1;
+ }
+
+ *listener = app_listener;
+ return 0;
}
-static app_listener_t *
-app_local_listener_get (application_t * app, u32 app_listener_index)
+void
+app_listener_cleanup (app_listener_t * al)
{
- return pool_elt_at_index (app->local_listeners, app_listener_index);
+ application_t *app = application_get (al->app_index);
+
+ if (al->session_index != SESSION_INVALID_INDEX)
+ {
+ session_t *ls = session_get (al->session_index, 0);
+ session_stop_listen (ls);
+ listen_session_del (ls);
+ }
+ if (al->local_index != SESSION_INVALID_INDEX)
+ {
+ session_endpoint_t sep = SESSION_ENDPOINT_NULL;
+ local_session_t *ll;
+ u32 table_index;
+
+ table_index = application_local_session_table (app);
+ ll = application_get_local_listen_session (app, al->local_index);
+ application_local_listener_session_endpoint (ll, &sep);
+ session_lookup_del_session_endpoint (table_index, &sep);
+ application_local_listen_session_free (app, ll);
+ }
+ app_listener_free (app, al);
}
-static void
-app_local_listener_free (application_t * app, app_listener_t * app_listener)
+app_worker_t *
+app_listener_select_worker (app_listener_t * al)
{
- clib_bitmap_free (app_listener->workers);
- pool_put (app->local_listeners, app_listener);
- if (CLIB_DEBUG)
- memset (app_listener, 0xfa, sizeof (*app_listener));
+ application_t *app;
+ u32 wrk_index;
+
+ app = application_get (al->app_index);
+ wrk_index = clib_bitmap_next_set (al->workers, al->accept_rotor + 1);
+ if (wrk_index == ~0)
+ wrk_index = clib_bitmap_first_set (al->workers);
+
+ ASSERT (wrk_index != ~0);
+ al->accept_rotor = wrk_index;
+ return application_get_worker (app, wrk_index);
+}
+
+session_t *
+app_listener_get_session (app_listener_t * al)
+{
+ if (al->session_index == SESSION_INVALID_INDEX)
+ return 0;
+
+ return listen_session_get (al->session_index);
}
static app_worker_map_t *
{
app_worker_map_t *map;
pool_get (app->worker_maps, map);
- memset (map, 0, sizeof (*map));
+ clib_memset (map, 0, sizeof (*map));
return map;
}
static app_worker_map_t *
app_worker_map_get (application_t * app, u32 map_index)
{
+ if (pool_is_free_index (app->worker_maps, map_index))
+ return 0;
return pool_elt_at_index (app->worker_maps, map_index);
}
-static u8 *
-app_get_name_from_reg_index (application_t * app)
-{
- u8 *app_name;
-
- vl_api_registration_t *regp;
- regp = vl_api_client_index_to_registration (app->api_client_index);
- if (!regp)
- app_name = format (0, "builtin-%d%c", app->app_index, 0);
- else
- app_name = format (0, "%s%c", regp->name, 0);
-
- return app_name;
-}
-
-static u8 *
+static const u8 *
app_get_name (application_t * app)
{
- if (!app->name)
- return app_get_name_from_reg_index (app);
return app->name;
}
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)
-{
- svm_queue_t *q;
-
- /* builtin servers are always OK */
- if (app->api_client_index == ~0)
- return 0;
-
- q = vl_api_client_index_to_input_queue (app->api_client_index);
- if (!q)
- return 1;
-
- if (q->cursize == q->maxsize)
- return 1;
- return 0;
-}
-
/**
- * Returns app name
- *
- * Since the name is not stored per app, we generate it on the fly. It is
- * the caller's responsibility to free the vector
+ * Returns app name for app-index
*/
-u8 *
+const u8 *
application_name_from_index (u32 app_index)
{
application_t *app = application_get (app_index);
if (!app)
return 0;
- return app_get_name_from_reg_index (app);
+ return app_get_name (app);
+}
+
+static void
+application_api_table_add (u32 app_index, u32 api_client_index)
+{
+ if (api_client_index != APP_INVALID_INDEX)
+ hash_set (app_main.app_by_api_client_index, api_client_index, app_index);
+}
+
+static void
+application_api_table_del (u32 api_client_index)
+{
+ hash_unset (app_main.app_by_api_client_index, api_client_index);
}
static void
-application_table_add (application_t * app)
+application_name_table_add (application_t * app)
{
- if (app->api_client_index != APP_INVALID_INDEX)
- hash_set (app_main.app_by_api_client_index, app->api_client_index,
- app->app_index);
- else if (app->name)
- hash_set_mem (app_main.app_by_name, app->name, app->app_index);
+ hash_set_mem (app_main.app_by_name, app->name, app->app_index);
}
static void
-application_table_del (application_t * app)
+application_name_table_del (application_t * app)
{
- if (app->api_client_index != APP_INVALID_INDEX)
- hash_unset (app_main.app_by_api_client_index, app->api_client_index);
- else if (app->name)
- hash_unset_mem (app_main.app_by_name, app->name);
+ hash_unset_mem (app_main.app_by_name, app->name);
}
application_t *
uword *p;
p = hash_get (app_main.app_by_api_client_index, api_client_index);
if (p)
- return application_get (p[0]);
+ return application_get_if_valid (p[0]);
return 0;
}
return 0;
}
-application_t *
+static application_t *
application_alloc (void)
{
application_t *app;
pool_get (app_main.app_pool, app);
- memset (app, 0, sizeof (*app));
+ clib_memset (app, 0, sizeof (*app));
app->app_index = app - app_main.app_pool;
return app;
}
return pool_elt_at_index (app_main.app_pool, app_index);
}
-u32
-application_index (application_t * app)
-{
- return app - app_main.app_pool;
-}
-
static void
application_verify_cb_fns (session_cb_vft_t * cb_fns)
{
return 1;
}
-int
+static int
application_alloc_and_init (app_init_args_t * a)
{
ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD;
/* Check that the obvious things are properly set up */
application_verify_cb_fns (a->session_cb_vft);
- app->api_client_index = a->api_client_index;
app->flags = options[APP_OPTIONS_FLAGS];
app->cb_fns = *a->session_cb_vft;
app->ns_index = options[APP_OPTIONS_NAMESPACE];
props->segment_type = seg_type;
/* Add app to lookup by api_client_index table */
- application_table_add (app);
- a->app_index = application_index (app);
+ if (!application_is_builtin (app))
+ application_api_table_add (app->app_index, a->api_client_index);
+ else
+ application_name_table_add (app);
+
+ a->app_index = app->app_index;
APP_DBG ("New app name: %v api index: %u index %u", app->name,
app->api_client_index, app->app_index);
return 0;
}
-void
+static void
application_free (application_t * app)
{
app_worker_map_t *wrk_map;
/*
* Cleanup remaining state
*/
- application_table_del (app);
+ if (application_is_builtin (app))
+ application_name_table_del (app);
vec_free (app->name);
vec_free (app->tls_cert);
vec_free (app->tls_key);
pool_put (app_main.app_pool, app);
}
+static void
+application_detach_process (application_t * app, u32 api_client_index)
+{
+ vnet_app_worker_add_del_args_t _args = { 0 }, *args = &_args;
+ app_worker_map_t *wrk_map;
+ u32 *wrks = 0, *wrk_index;
+ app_worker_t *app_wrk;
+
+ if (api_client_index == ~0)
+ {
+ application_free (app);
+ return;
+ }
+
+ APP_DBG ("Detaching for app %v index %u api client index %u", app->name,
+ app->app_index, app->api_client_index);
+
+ /* *INDENT-OFF* */
+ pool_foreach (wrk_map, app->worker_maps, ({
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ if (app_wrk->api_client_index == api_client_index)
+ vec_add1 (wrks, app_wrk->wrk_index);
+ }));
+ /* *INDENT-ON* */
+
+ if (!vec_len (wrks))
+ {
+ clib_warning ("no workers for app %u api_index %u", app->app_index,
+ api_client_index);
+ return;
+ }
+
+ args->app_index = app->app_index;
+ args->api_client_index = api_client_index;
+ vec_foreach (wrk_index, wrks)
+ {
+ app_wrk = app_worker_get (wrk_index[0]);
+ args->wrk_map_index = app_wrk->wrk_map_index;
+ args->is_add = 0;
+ vnet_app_worker_add_del (args);
+ }
+ vec_free (wrks);
+}
+
app_worker_t *
application_get_worker (application_t * app, u32 wrk_map_index)
{
return application_get_worker (app, 0);
}
-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)
+u32
+application_n_workers (application_t * app)
{
- app_worker_t *app_wrk;
- pool_get (app_main.workers, app_wrk);
- memset (app_wrk, 0, sizeof (*app_wrk));
- app_wrk->wrk_index = app_wrk - app_main.workers;
- app_wrk->app_index = app->app_index;
- app_wrk->wrk_map_index = ~0;
- app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- app_wrk->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- 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);
- return app_wrk;
+ return pool_elts (app->worker_maps);
}
app_worker_t *
-app_worker_get (u32 wrk_index)
+application_listener_select_worker (session_t * ls)
{
- return pool_elt_at_index (app_main.workers, wrk_index);
-}
+ app_listener_t *al;
-app_worker_t *
-app_worker_get_if_valid (u32 wrk_index)
-{
- if (pool_is_free_index (app_main.workers, wrk_index))
- return 0;
- return pool_elt_at_index (app_main.workers, wrk_index);
+ al = app_listener_get_w_session (ls);
+ return app_listener_select_worker (al);
}
-void
-app_worker_free (app_worker_t * app_wrk)
+int
+application_alloc_worker_and_init (application_t * app, app_worker_t ** wrk)
{
- application_t *app = application_get (app_wrk->app_index);
- vnet_unbind_args_t _a, *a = &_a;
- u64 handle, *handles = 0;
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
segment_manager_t *sm;
- u32 sm_index;
- int i;
+ int rv;
+
+ app_wrk = app_worker_alloc (app);
+ wrk_map = app_worker_map_alloc (app);
+ wrk_map->wrk_index = app_wrk->wrk_index;
+ app_wrk->wrk_map_index = app_worker_map_index (app, wrk_map);
/*
- * Listener cleanup
+ * Setup first segment manager
*/
+ sm = segment_manager_new ();
+ sm->app_wrk_index = app_wrk->wrk_index;
- /* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app_wrk->listeners_table,
- ({
- vec_add1 (handles, handle);
- sm = segment_manager_get (sm_index);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- }));
- /* *INDENT-ON* */
-
- for (i = 0; i < vec_len (handles); i++)
+ if ((rv = segment_manager_init (sm, app->sm_properties.segment_size,
+ app->sm_properties.prealloc_fifos)))
{
- a->app_index = app->app_index;
- a->wrk_map_index = app_wrk->wrk_map_index;
- a->handle = handles[i];
- /* seg manager is removed when unbind completes */
- vnet_unbind (a);
+ app_worker_free (app_wrk);
+ return rv;
}
+ sm->first_is_protected = 1;
/*
- * Connects segment manager cleanup
+ * Setup app worker
*/
-
- if (app_wrk->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX)
- {
- sm = segment_manager_get (app_wrk->connects_seg_manager);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_init_del (sm);
- }
-
- /* If first segment manager is used by a listener */
- if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
- && app_wrk->first_segment_manager != app_wrk->connects_seg_manager)
- {
- sm = segment_manager_get (app_wrk->first_segment_manager);
- /* .. and has no fifos, e.g. it might be used for redirected sessions,
- * remove it */
- if (!segment_manager_has_fifos (sm))
- {
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_del (sm);
- }
- }
+ app_wrk->first_segment_manager = segment_manager_index (sm);
+ app_wrk->listeners_table = hash_create (0, sizeof (u64));
+ app_wrk->event_queue = segment_manager_event_queue (sm);
+ app_wrk->app_is_builtin = application_is_builtin (app);
/*
- * Local sessions
+ * Segment manager for local sessions
*/
- app_worker_local_sessions_free (app_wrk);
+ sm = segment_manager_new ();
+ sm->app_wrk_index = app_wrk->wrk_index;
+ app_wrk->local_segment_manager = segment_manager_index (sm);
+ app_wrk->local_connects = hash_create (0, sizeof (u64));
- pool_put (app_main.workers, app_wrk);
- if (CLIB_DEBUG)
- memset (app_wrk, 0xfe, sizeof (*app_wrk));
+ *wrk = app_wrk;
+
+ return 0;
}
int
-app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk)
+vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a)
{
+ svm_fifo_segment_private_t *fs;
app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
segment_manager_t *sm;
+ application_t *app;
int rv;
- app_wrk = app_worker_alloc (app);
- wrk_map = app_worker_map_alloc (app);
- wrk_map->wrk_index = app_wrk->wrk_index;
- app_wrk->wrk_map_index = app_worker_map_index (app, wrk_map);
-
- /*
- * Setup first segment manager
- */
- sm = segment_manager_new ();
- sm->app_wrk_index = app_wrk->wrk_index;
+ app = application_get (a->app_index);
+ if (!app)
+ return VNET_API_ERROR_INVALID_VALUE;
- if ((rv = segment_manager_init (sm, app->sm_properties.segment_size,
- app->sm_properties.prealloc_fifos)))
+ if (a->is_add)
{
- app_worker_free (app_wrk);
- return rv;
+ if ((rv = application_alloc_worker_and_init (app, &app_wrk)))
+ return rv;
+
+ /* Map worker api index to the app */
+ app_wrk->api_client_index = a->api_client_index;
+ application_api_table_add (app->app_index, a->api_client_index);
+
+ sm = segment_manager_get (app_wrk->first_segment_manager);
+ fs = segment_manager_get_segment_w_lock (sm, 0);
+ a->segment = &fs->ssvm;
+ a->segment_handle = segment_manager_segment_handle (sm, fs);
+ segment_manager_segment_reader_unlock (sm);
+ a->evt_q = app_wrk->event_queue;
+ a->wrk_map_index = app_wrk->wrk_map_index;
}
- sm->first_is_protected = 1;
+ else
+ {
+ wrk_map = app_worker_map_get (app, a->wrk_map_index);
+ if (!wrk_map)
+ return VNET_API_ERROR_INVALID_VALUE;
- /*
- * Setup app worker
- */
- app_wrk->first_segment_manager = segment_manager_index (sm);
- app_wrk->listeners_table = hash_create (0, sizeof (u64));
- app_wrk->event_queue = segment_manager_event_queue (sm);
- app_wrk->app_is_builtin = application_is_builtin (app);
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ if (!app_wrk)
+ return VNET_API_ERROR_INVALID_VALUE;
- /*
- * Segment manager for local sessions
- */
- sm = segment_manager_new ();
- sm->app_wrk_index = app_wrk->wrk_index;
- app_wrk->local_segment_manager = segment_manager_index (sm);
- app_wrk->local_connects = hash_create (0, sizeof (u64));
+ application_api_table_del (app_wrk->api_client_index);
+ app_worker_free (app_wrk);
+ app_worker_map_free (app, wrk_map);
+ if (application_n_workers (app) == 0)
+ application_free (app);
+ }
+ return 0;
+}
- *wrk = app_wrk;
+static int
+app_validate_namespace (u8 * namespace_id, u64 secret, u32 * app_ns_index)
+{
+ app_namespace_t *app_ns;
+ if (vec_len (namespace_id) == 0)
+ {
+ /* Use default namespace */
+ *app_ns_index = 0;
+ return 0;
+ }
+ *app_ns_index = app_namespace_index_from_id (namespace_id);
+ if (*app_ns_index == APP_NAMESPACE_INVALID_INDEX)
+ return VNET_API_ERROR_APP_INVALID_NS;
+ app_ns = app_namespace_get (*app_ns_index);
+ if (!app_ns)
+ return VNET_API_ERROR_APP_INVALID_NS;
+ if (app_ns->ns_secret != secret)
+ return VNET_API_ERROR_APP_WRONG_NS_SECRET;
return 0;
}
-application_t *
-app_worker_get_app (u32 wrk_index)
+static u8 *
+app_name_from_api_index (u32 api_client_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);
+ vl_api_registration_t *regp;
+ regp = vl_api_client_index_to_registration (api_client_index);
+ if (regp)
+ return format (0, "%s%c", regp->name, 0);
+
+ clib_warning ("api client index %u does not have an api registration!",
+ api_client_index);
+ return format (0, "unknown%c", 0);
}
-static segment_manager_t *
-app_worker_alloc_segment_manager (app_worker_t * app_wrk)
+/**
+ * Attach application to vpp
+ *
+ * Allocates a vpp app, i.e., a structure that keeps back pointers
+ * to external app and a segment manager for shared memory fifo based
+ * communication with the external app.
+ */
+int
+vnet_application_attach (vnet_app_attach_args_t * a)
{
- segment_manager_t *sm = 0;
+ svm_fifo_segment_private_t *fs;
+ application_t *app = 0;
+ app_worker_t *app_wrk;
+ segment_manager_t *sm;
+ u32 app_ns_index = 0;
+ u8 *app_name = 0;
+ u64 secret;
+ int rv;
- /* If the first segment manager is not in use, don't allocate a new one */
- if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
- && app_wrk->first_segment_manager_in_use == 0)
+ if (a->api_client_index != APP_INVALID_INDEX)
+ app = application_lookup (a->api_client_index);
+ else if (a->name)
+ app = application_lookup_name (a->name);
+ else
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ if (app)
+ return VNET_API_ERROR_APP_ALREADY_ATTACHED;
+
+ if (a->api_client_index != APP_INVALID_INDEX)
{
- sm = segment_manager_get (app_wrk->first_segment_manager);
- app_wrk->first_segment_manager_in_use = 1;
- return sm;
+ app_name = app_name_from_api_index (a->api_client_index);
+ a->name = app_name;
}
- sm = segment_manager_new ();
- sm->app_wrk_index = app_wrk->wrk_index;
+ secret = a->options[APP_OPTIONS_NAMESPACE_SECRET];
+ if ((rv = app_validate_namespace (a->namespace_id, secret, &app_ns_index)))
+ return rv;
+ a->options[APP_OPTIONS_NAMESPACE] = app_ns_index;
+
+ if ((rv = application_alloc_and_init ((app_init_args_t *) a)))
+ return rv;
+
+ app = application_get (a->app_index);
+ if ((rv = application_alloc_worker_and_init (app, &app_wrk)))
+ return rv;
+
+ a->app_evt_q = app_wrk->event_queue;
+ app_wrk->api_client_index = a->api_client_index;
+ sm = segment_manager_get (app_wrk->first_segment_manager);
+ fs = segment_manager_get_segment_w_lock (sm, 0);
+
+ if (application_is_proxy (app))
+ application_setup_proxy (app);
+
+ ASSERT (vec_len (fs->ssvm.name) <= 128);
+ a->segment = &fs->ssvm;
+ a->segment_handle = segment_manager_segment_handle (sm, fs);
- return sm;
+ segment_manager_segment_reader_unlock (sm);
+ vec_free (app_name);
+ return 0;
}
+/**
+ * Detach application from vpp
+ */
int
-app_worker_start_listen (app_worker_t * app_wrk, stream_session_t * ls)
+vnet_application_detach (vnet_app_detach_args_t * a)
{
- segment_manager_t *sm;
+ application_t *app;
- /* 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;
+ app = application_get_if_valid (a->app_index);
+ if (!app)
+ {
+ clib_warning ("app not attached");
+ return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
+ }
+
+ app_interface_check_thread_and_barrier (vnet_application_detach, a);
+ application_detach_process (app, a->api_client_index);
+ return 0;
+}
- /* 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)
+static u8
+session_endpoint_in_ns (session_endpoint_t * sep)
+{
+ u8 is_lep = session_endpoint_is_local (sep);
+ if (!is_lep && sep->sw_if_index != ENDPOINT_INVALID_INDEX
+ && !ip_interface_has_address (sep->sw_if_index, &sep->ip, sep->is_ip4))
{
- if (session_alloc_fifos (sm, ls))
- return -1;
+ clib_warning ("sw_if_index %u not configured with ip %U",
+ sep->sw_if_index, format_ip46_address, &sep->ip,
+ sep->is_ip4);
+ return 0;
}
- return 0;
+ return (is_lep || ip_is_local (sep->fib_index, &sep->ip, sep->is_ip4));
}
-int
-app_worker_stop_listen (app_worker_t * app_wrk, session_handle_t handle)
+static void
+session_endpoint_update_for_app (session_endpoint_cfg_t * sep,
+ application_t * app, u8 is_connect)
{
- segment_manager_t *sm;
- uword *sm_indexp;
+ app_namespace_t *app_ns;
+ u32 ns_index, fib_index;
+
+ ns_index = app->ns_index;
- sm_indexp = hash_get (app_wrk->listeners_table, handle);
- if (PREDICT_FALSE (!sm_indexp))
+ /* App is a transport proto, so fetch the calling app's ns */
+ if (app->flags & APP_OPTIONS_FLAGS_IS_TRANSPORT_APP)
{
- clib_warning ("listener handle was removed %llu!", handle);
- return -1;
+ app_worker_t *owner_wrk;
+ application_t *owner_app;
+
+ owner_wrk = app_worker_get (sep->app_wrk_index);
+ owner_app = application_get (owner_wrk->app_index);
+ ns_index = owner_app->ns_index;
}
+ app_ns = app_namespace_get (ns_index);
+ if (!app_ns)
+ return;
+
+ /* Ask transport and network to bind to/connect using local interface
+ * that "supports" app's namespace. This will fix our local connection
+ * endpoint.
+ */
+
+ /* If in default namespace and user requested a fib index use it */
+ if (ns_index == 0 && sep->fib_index != ENDPOINT_INVALID_INDEX)
+ fib_index = sep->fib_index;
+ else
+ fib_index = sep->is_ip4 ? app_ns->ip4_fib_index : app_ns->ip6_fib_index;
+ sep->peer.fib_index = fib_index;
+ sep->fib_index = fib_index;
- sm = segment_manager_get (*sm_indexp);
- if (app_wrk->first_segment_manager == *sm_indexp)
+ if (!is_connect)
{
- /* Delete sessions but don't remove segment manager */
- app_wrk->first_segment_manager_in_use = 0;
- segment_manager_del_sessions (sm);
+ sep->sw_if_index = app_ns->sw_if_index;
}
else
{
- segment_manager_init_del (sm);
- }
- hash_unset (app_wrk->listeners_table, handle);
+ if (app_ns->sw_if_index != APP_NAMESPACE_INVALID_INDEX
+ && sep->peer.sw_if_index != ENDPOINT_INVALID_INDEX
+ && sep->peer.sw_if_index != app_ns->sw_if_index)
+ clib_warning ("Local sw_if_index different from app ns sw_if_index");
- return 0;
+ sep->peer.sw_if_index = app_ns->sw_if_index;
+ }
}
-/**
- * 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)
+vnet_listen (vnet_listen_args_t * a)
{
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;
+ application_t *app;
+ int rv;
+
+ app = application_get_if_valid (a->app_index);
+ if (!app)
+ return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
+
+ app_wrk = application_get_worker (app, a->wrk_map_index);
+ if (!app_wrk)
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ a->sep_ext.app_wrk_index = app_wrk->wrk_index;
+
+ session_endpoint_update_for_app (&a->sep_ext, app, 0 /* is_connect */ );
+ if (!session_endpoint_in_ns (&a->sep))
+ return VNET_API_ERROR_INVALID_VALUE_2;
/*
- * Check if sep is already listened on
+ * Check if we already have an app listener
*/
- 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)
+ app_listener = app_listener_lookup (app, &a->sep_ext);
+ if (app_listener)
{
- 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)
+ if (app_listener->app_index != app->app_index)
return VNET_API_ERROR_ADDRESS_IN_USE;
-
- if (app_worker_start_listen (app_wrk, ls))
+ if (app_worker_start_listen (app_wrk, app_listener))
return -1;
+ a->handle = app_listener_handle (app_listener);
+ return 0;
+ }
- 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);
+ /*
+ * Create new app listener
+ */
+ if ((rv = app_listener_alloc_and_init (app, &a->sep_ext, &app_listener)))
+ return rv;
- *res = listen_session_get_handle (ls);
- return 0;
+ if ((rv = app_worker_start_listen (app_wrk, app_listener)))
+ {
+ app_listener_cleanup (app_listener);
+ return rv;
}
+ a->handle = app_listener_handle (app_listener);
+ return 0;
+}
+
+int
+vnet_connect (vnet_connect_args_t * a)
+{
+ app_worker_t *server_wrk, *client_wrk;
+ application_t *client;
+ local_session_t *ll;
+ app_listener_t *al;
+ u32 table_index;
+ session_t *ls;
+ u8 fib_proto;
+ u64 lh;
+
+ if (session_endpoint_is_zero (&a->sep))
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ client = application_get (a->app_index);
+ session_endpoint_update_for_app (&a->sep_ext, client, 1 /* is_connect */ );
+ client_wrk = application_get_worker (client, a->wrk_map_index);
+
/*
- * Allocate new listener for application
+ * First check the local scope for locally attached destinations.
+ * If we have local scope, we pass *all* connects through it since we may
+ * have special policy rules even for non-local destinations, think proxy.
*/
- 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 (application_has_local_scope (client))
+ {
+ table_index = application_local_session_table (client);
+ lh = session_lookup_local_endpoint (table_index, &a->sep);
+ if (lh == SESSION_DROP_HANDLE)
+ return VNET_API_ERROR_APP_CONNECT_FILTERED;
- if (session_listen (ls, sep_ext))
- goto err;
+ if (lh == SESSION_INVALID_HANDLE)
+ goto global_scope;
- app_listener = app_listener_alloc (app);
- ls->listener_db_index = app_listener->al_index;
+ ll = application_get_local_listener_w_handle (lh);
+ al = app_listener_get_w_session ((session_t *) ll);
+
+ /*
+ * Break loop if rule in local table points to connecting app. This
+ * can happen if client is a generic proxy. Route connect through
+ * global table instead.
+ */
+ if (al->app_index == a->app_index)
+ goto global_scope;
+
+ server_wrk = app_listener_select_worker (al);
+ return app_worker_local_session_connect (client_wrk, server_wrk, ll,
+ a->api_context);
+ }
/*
- * Setup app worker as a listener
+ * If nothing found, check the global scope for locally attached
+ * destinations. Make sure first that we're allowed to.
*/
- 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;
+global_scope:
+ if (session_endpoint_is_local (&a->sep))
+ return VNET_API_ERROR_SESSION_CONNECT;
+
+ if (!application_has_global_scope (client))
+ return VNET_API_ERROR_APP_CONNECT_SCOPE;
+
+ fib_proto = session_endpoint_fib_proto (&a->sep);
+ table_index = application_session_table (client, fib_proto);
+ ls = session_lookup_listener (table_index, &a->sep);
+ if (ls)
+ {
+ al = app_listener_get_w_session (ls);
+ server_wrk = app_listener_select_worker (al);
+ ll = (local_session_t *) ls;
+ return app_worker_local_session_connect (client_wrk, server_wrk, ll,
+ a->api_context);
+ }
-err:
- listen_session_del (ls);
- return -1;
+ /*
+ * Not connecting to a local server, propagate to transport
+ */
+ if (app_worker_connect_session (client_wrk, &a->sep, a->api_context))
+ return VNET_API_ERROR_SESSION_CONNECT;
+ return 0;
}
-/**
- * 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)
+vnet_unlisten (vnet_unlisten_args_t * a)
{
- app_listener_t *app_listener;
- stream_session_t *listener;
app_worker_t *app_wrk;
+ app_listener_t *al;
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))
+ if (!(app = application_get_if_valid (a->app_index)))
+ return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
+
+ al = app_listener_get_w_handle (a->handle);
+ if (al->app_index != app->app_index)
{
- clib_warning ("app doesn't own handle %llu!", handle);
+ clib_warning ("app doesn't own handle %llu!", a->handle);
return -1;
}
- app_listener = app_listener_get (app, listener->listener_db_index);
- if (!clib_bitmap_get (app_listener->workers, app_wrk_index))
+ app_wrk = application_get_worker (app, a->wrk_map_index);
+ if (!app_wrk)
{
- clib_warning ("worker not listening on handle %lu", handle);
- return 0;
+ clib_warning ("no app %u worker %u", app->app_index, a->wrk_map_index);
+ return -1;
}
- 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);
+ return app_worker_stop_listen (app_wrk, al);
+}
- if (clib_bitmap_is_zero (app_listener->workers))
+int
+vnet_disconnect_session (vnet_disconnect_args_t * a)
+{
+ if (session_handle_is_local (a->handle))
{
- session_stop_listen (listener);
- app_listener_free (app, app_listener);
- listen_session_del (listener);
+ local_session_t *ls;
+
+ /* Disconnect reply came to worker 1 not main thread */
+ app_interface_check_thread_and_barrier (vnet_disconnect_session, a);
+
+ if (!(ls = app_worker_get_local_session_from_handle (a->handle)))
+ return 0;
+
+ return app_worker_local_session_disconnect (a->app_index, ls);
}
+ else
+ {
+ app_worker_t *app_wrk;
+ session_t *s;
+
+ s = session_get_from_handle_if_valid (a->handle);
+ if (!s)
+ return VNET_API_ERROR_INVALID_VALUE;
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if (app_wrk->app_index != a->app_index)
+ return VNET_API_ERROR_INVALID_VALUE;
+ /* We're peeking into another's thread pool. Make sure */
+ ASSERT (s->session_index == session_index_from_handle (a->handle));
+
+ session_close (s);
+ }
return 0;
}
int
-app_worker_open_session (app_worker_t * app, session_endpoint_t * sep,
- u32 api_context)
+application_change_listener_owner (session_t * s, app_worker_t * app_wrk)
{
- int rv;
+ app_worker_t *old_wrk = app_worker_get (s->app_wrk_index);
+ app_listener_t *app_listener;
+ application_t *app;
+
+ if (!old_wrk)
+ return -1;
- /* Make sure we have a segment manager for connects */
- app_worker_alloc_connects_segment_manager (app);
+ hash_unset (old_wrk->listeners_table, listen_session_get_handle (s));
+ if (session_transport_service_type (s) == TRANSPORT_SERVICE_CL
+ && s->rx_fifo)
+ segment_manager_dealloc_fifos (s->rx_fifo->segment_index, s->rx_fifo,
+ s->tx_fifo);
- if ((rv = session_open (app->wrk_index, sep, api_context)))
- return rv;
+ app = application_get (old_wrk->app_index);
+ if (!app)
+ return -1;
+
+ app_listener = app_listener_get (app, s->al_index);
+
+ /* Only remove from lb for now */
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ old_wrk->wrk_map_index, 0);
+
+ if (app_worker_start_listen (app_wrk, app_listener))
+ return -1;
+
+ s->app_wrk_index = app_wrk->wrk_index;
return 0;
}
int
-app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
+application_is_proxy (application_t * app)
{
- segment_manager_t *sm;
-
- if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
- {
- sm = app_worker_alloc_segment_manager (app_wrk);
- if (sm == 0)
- return -1;
- app_wrk->connects_seg_manager = segment_manager_index (sm);
- }
- return 0;
+ return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY);
}
-segment_manager_t *
-app_worker_get_connect_segment_manager (app_worker_t * app)
+int
+application_is_builtin (application_t * app)
{
- ASSERT (app->connects_seg_manager != (u32) ~ 0);
- return segment_manager_get (app->connects_seg_manager);
+ return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN);
}
-segment_manager_t *
-app_worker_get_listen_segment_manager (app_worker_t * app,
- stream_session_t * s)
+int
+application_is_builtin_proxy (application_t * app)
{
- uword *smp;
- smp = hash_get (app->listeners_table, listen_session_get_handle (s));
- ASSERT (smp != 0);
- return segment_manager_get (*smp);
+ return (application_is_proxy (app) && application_is_builtin (app));
}
-clib_error_t *
-vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a)
-{
- svm_fifo_segment_private_t *fs;
- app_worker_map_t *wrk_map;
- app_worker_t *app_wrk;
- segment_manager_t *sm;
- application_t *app;
- int rv;
-
- app = application_get (a->app_index);
- if (!app)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "App %u does not exist", a->app_index);
-
- if (a->is_add)
- {
- if ((rv = app_worker_alloc_and_init (app, &app_wrk)))
- return clib_error_return_code (0, rv, 0, "app wrk init: %d", rv);
- sm = segment_manager_get (app_wrk->first_segment_manager);
- fs = segment_manager_get_segment_w_lock (sm, 0);
- 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
- {
- wrk_map = app_worker_map_get (app, a->wrk_index);
- if (!wrk_map)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "App %u does not have worker %u",
- app->app_index, a->wrk_index);
- app_wrk = app_worker_get (wrk_map->wrk_index);
- app_worker_map_free (app, wrk_map);
- if (!app_wrk)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "No worker %u", a->wrk_index);
- app_worker_free (app_wrk);
- }
- return 0;
-}
-
-segment_manager_t *
-application_get_local_segment_manager (app_worker_t * app)
-{
- return segment_manager_get (app->local_segment_manager);
-}
-
-segment_manager_t *
-application_get_local_segment_manager_w_session (app_worker_t * app,
- local_session_t * ls)
-{
- stream_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, listener);
- }
- return segment_manager_get (app->local_segment_manager);
-}
-
-int
-application_is_proxy (application_t * app)
-{
- return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY);
-}
-
-int
-application_is_builtin (application_t * app)
-{
- return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN);
-}
-
-int
-application_is_builtin_proxy (application_t * app)
-{
- return (application_is_proxy (app) && application_is_builtin (app));
-}
-
-u8
-application_has_local_scope (application_t * app)
+u8
+application_has_local_scope (application_t * app)
{
return app->flags & APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
}
return app->flags & APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
}
-/**
- * Send an API message to the external app, to map new segment
- */
-int
-app_worker_add_segment_notify (u32 app_wrk_index, ssvm_private_t * fs)
-{
- 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->api_client_index, fs);
-}
-
-u32
-application_n_listeners (app_worker_t * app)
-{
- return hash_elts (app->listeners_table);
-}
-
-stream_session_t *
-app_worker_first_listener (app_worker_t * app, u8 fib_proto,
- u8 transport_proto)
-{
- stream_session_t *listener;
- u64 handle;
- u32 sm_index;
- u8 sst;
-
- sst = session_type_from_proto_and_ip (transport_proto,
- fib_proto == FIB_PROTOCOL_IP4);
-
- /* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app->listeners_table, ({
- listener = listen_session_get_from_handle (handle);
- if (listener->session_type == sst
- && listener->enqueue_epoch != SESSION_PROXY_LISTENER_INDEX)
- return listener;
- }));
- /* *INDENT-ON* */
-
- return 0;
-}
-
-u8
-app_worker_application_is_builtin (app_worker_t * app_wrk)
-{
- return app_wrk->app_is_builtin;
-}
-
-stream_session_t *
-application_proxy_listener (app_worker_t * app, u8 fib_proto,
- u8 transport_proto)
-{
- stream_session_t *listener;
- u64 handle;
- u32 sm_index;
- u8 sst;
-
- sst = session_type_from_proto_and_ip (transport_proto,
- fib_proto == FIB_PROTOCOL_IP4);
-
- /* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app->listeners_table, ({
- listener = listen_session_get_from_handle (handle);
- if (listener->session_type == sst
- && listener->enqueue_epoch == SESSION_PROXY_LISTENER_INDEX)
- return listener;
- }));
- /* *INDENT-ON* */
-
- return 0;
-}
-
static clib_error_t *
application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto,
u8 transport_proto, u8 is_start)
{
app_namespace_t *app_ns = app_namespace_get (app->ns_index);
u8 is_ip4 = (fib_proto == FIB_PROTOCOL_IP4);
- session_endpoint_extended_t sep = SESSION_ENDPOINT_EXT_NULL;
+ session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
transport_connection_t *tc;
app_worker_t *app_wrk;
- stream_session_t *s;
- u64 handle;
+ app_listener_t *al;
+ session_t *s;
+ u32 flags;
/* TODO decide if we want proxy to be enabled for all workers */
app_wrk = application_get_default_worker (app);
if (!s)
{
sep.is_ip4 = is_ip4;
- 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;
- sep.app_wrk_index = app_wrk->wrk_index; /* only default */
- application_start_listen (app, &sep, &handle);
- s = listen_session_get_from_handle (handle);
- s->enqueue_epoch = SESSION_PROXY_LISTENER_INDEX;
- }
- }
- else
- {
- s = application_proxy_listener (app_wrk, fib_proto, transport_proto);
- ASSERT (s);
- }
-
- tc = listen_session_get_transport (s);
-
- if (!ip_is_zero (&tc->lcl_ip, 1))
- {
- u32 sti;
- sep.is_ip4 = is_ip4;
- sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
- sep.transport_proto = transport_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,
- (session_endpoint_t *) & sep,
- s->session_index);
- else
- session_lookup_del_session_endpoint (sti,
- (session_endpoint_t *) & sep);
- }
-
- return 0;
-}
-
-static void
-application_start_stop_proxy_local_scope (application_t * app,
- u8 transport_proto, u8 is_start)
-{
- session_endpoint_t sep = SESSION_ENDPOINT_NULL;
- app_namespace_t *app_ns;
- app_ns = app_namespace_get (app->ns_index);
- sep.is_ip4 = 1;
- sep.transport_proto = transport_proto;
- sep.port = 0;
-
- if (is_start)
- {
- session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
- app->app_index);
- sep.is_ip4 = 0;
- session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
- app->app_index);
- }
- else
- {
- session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
- sep.is_ip4 = 0;
- session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
- }
-}
-
-void
-application_start_stop_proxy (application_t * app,
- transport_proto_t transport_proto, u8 is_start)
-{
- if (application_has_local_scope (app))
- application_start_stop_proxy_local_scope (app, transport_proto, is_start);
-
- if (application_has_global_scope (app))
- {
- application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP4,
- transport_proto, is_start);
- application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP6,
- transport_proto, is_start);
- }
-}
-
-void
-application_setup_proxy (application_t * app)
-{
- u16 transports = app->proxied_transports;
- transport_proto_t tp;
-
- ASSERT (application_is_proxy (app));
-
- /* *INDENT-OFF* */
- transport_proto_foreach (tp, ({
- if (transports & (1 << tp))
- application_start_stop_proxy (app, tp, 1);
- }));
- /* *INDENT-ON* */
-}
-
-void
-application_remove_proxy (application_t * app)
-{
- u16 transports = app->proxied_transports;
- transport_proto_t tp;
-
- ASSERT (application_is_proxy (app));
-
- /* *INDENT-OFF* */
- transport_proto_foreach (tp, ({
- if (transports & (1 << tp))
- application_start_stop_proxy (app, tp, 0);
- }));
- /* *INDENT-ON* */
-}
-
-segment_manager_properties_t *
-application_segment_manager_properties (application_t * app)
-{
- return &app->sm_properties;
-}
-
-segment_manager_properties_t *
-application_get_segment_manager_properties (u32 app_index)
-{
- application_t *app = application_get (app_index);
- return &app->sm_properties;
-}
-
-static inline int
-app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock)
-{
- 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;
-}
-
-static inline int
-app_send_io_evt_rx (app_worker_t * app_wrk, stream_session_t * s, u8 lock)
-{
- session_event_t *evt;
- svm_msg_q_msg_t msg;
- svm_msg_q_t *mq;
-
- 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->server_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);
- }
-
- if (svm_fifo_has_event (s->server_rx_fifo)
- || svm_fifo_is_empty (s->server_rx_fifo))
- return 0;
-
- mq = app_wrk->event_queue;
- if (lock)
- svm_msg_q_lock (mq);
-
- 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);
- 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->server_rx_fifo;
- evt->event_type = FIFO_EVENT_APP_RX;
-
- if (app_enqueue_evt (mq, &msg, lock))
- return -1;
- (void) svm_fifo_set_event (s->server_rx_fifo);
- return 0;
-}
-
-static inline int
-app_send_io_evt_tx (app_worker_t * app_wrk, stream_session_t * s, u8 lock)
-{
- 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;
-
- mq = app_wrk->event_queue;
- if (lock)
- svm_msg_q_lock (mq);
-
- 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);
- 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->server_tx_fifo;
-
- return app_enqueue_evt (mq, &msg, lock);
-}
-
-/* *INDENT-OFF* */
-typedef int (app_send_evt_handler_fn) (app_worker_t *app,
- stream_session_t *s,
- u8 lock);
-static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = {
- app_send_io_evt_rx,
- 0,
- app_send_io_evt_tx,
-};
-/* *INDENT-ON* */
-
-/**
- * Send event to application
- *
- * Logic from queue perspective is non-blocking. That is, if there's
- * not enough space to enqueue a message, we return. However, if the lock
- * flag is set, we do wait for queue mutex.
- */
-int
-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
-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_local_session_alloc (app_worker_t * app_wrk)
-{
- local_session_t *s;
- pool_get (app_wrk->local_sessions, s);
- 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
-application_local_session_free (app_worker_t * app, local_session_t * s)
-{
- pool_put (app->local_sessions, s);
- if (CLIB_DEBUG)
- memset (s, 0xfc, sizeof (*s));
-}
-
-local_session_t *
-application_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 *
-application_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 application_get_local_session (server_wrk, session_index);
-}
-
-local_session_t *
-application_local_listen_session_alloc (application_t * app)
-{
- local_session_t *ll;
- pool_get (app->local_listen_sessions, ll);
- memset (ll, 0, sizeof (*ll));
- return ll;
-}
-
-u32
-application_local_listener_index (application_t * app, local_session_t * ll)
-{
- 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 (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;
- u32 table_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)
- {
- ll = application_get_local_listener_w_handle (lh);
- if (ll->app_index != app->app_index)
- return VNET_API_ERROR_ADDRESS_IN_USE;
-
- 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 = 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_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);
-
- return 0;
-}
-
-/**
- * Clean up local session table. If we have a listener session use it to
- * find the port and proto. If not, the handle must be a local table handle
- * so parse it.
- */
-int
-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_index;
- app_listener_t *app_listener;
- app_worker_t *server_wrk;
- stream_session_t *sl = 0;
- local_session_t *ll, *ls;
- application_t *server;
-
- server = application_get (app_index);
- table_index = application_local_session_table (server);
-
- /* We have both local and global table binds. Figure from global what
- * the sep we should be cleaning up is.
- */
- if (!session_handle_is_local (lh))
- {
- sl = listen_session_get_from_handle (lh);
- if (!sl || listen_session_get_local_session_endpoint (sl, &sep))
- {
- clib_warning ("broken listener");
- return -1;
- }
- lh = session_lookup_endpoint_listener (table_index, &sep, 0);
- if (lh == SESSION_INVALID_HANDLE)
- return -1;
- }
-
- 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, ll_index);
- if (PREDICT_FALSE (!ll))
- {
- clib_warning ("no local listener");
- return -1;
- }
-
- 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* */
-
- 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;
-}
-
-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
-application_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;
- segment_manager_properties_t *props, *cprops;
- u32 round_rx_fifo_sz, round_tx_fifo_sz;
- 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;
-
- ls = application_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 ((stream_session_t *) ll);
- if (!has_transport)
- {
- /* Local sessions don't have backing transport */
- ls->port = ll->port;
- sm = application_get_local_segment_manager (server_wrk);
- }
- else
- {
- stream_session_t *sl = (stream_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->server_rx_fifo,
- &ls->server_tx_fifo);
- if (rv)
- {
- clib_warning ("failed to add fifos in cut-through segment");
- segment_manager_segment_reader_unlock (sm);
- goto failed;
- }
- ls->server_rx_fifo->master_session_index = ls->session_index;
- ls->server_tx_fifo->master_session_index = ls->session_index;
- ls->server_rx_fifo->master_thread_index = ~0;
- ls->server_tx_fifo->master_thread_index = ~0;
- 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;
-
- if ((rv = server->cb_fns.add_segment_callback (server->api_client_index,
- &seg->ssvm)))
- {
- 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 ((stream_session_t *) ls)))
- {
- clib_warning ("failed to send accept cut-through notify to server");
- goto failed;
- }
- if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN)
- application_local_session_connect_notify (ls);
-
- return 0;
-
-failed:
- if (!has_transport)
- segment_manager_del_segment (sm, seg);
- return rv;
-}
-
-static uword
-application_client_local_connect_key (local_session_t * ls)
-{
- return ((uword) ls->app_wrk_index << 32 | (uword) ls->session_index);
-}
-
-static void
-application_client_local_connect_key_parse (uword key, u32 * app_wrk_index,
- u32 * session_index)
-{
- *app_wrk_index = key >> 32;
- *session_index = key & 0xFFFFFFFF;
-}
-
-int
-application_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;
- uword client_key;
+ 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;
+ sep.app_wrk_index = app_wrk->wrk_index; /* only default */
- 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);
+ /* force global scope listener */
+ flags = app->flags;
+ app->flags &= ~APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
+ app_listener_alloc_and_init (app, &sep, &al);
+ app->flags = flags;
- sm = application_get_local_segment_manager_w_session (server_wrk, ls);
- seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
- if ((rv = client->cb_fns.add_segment_callback (client->api_client_index,
- &seg->ssvm)))
- {
- clib_warning ("failed to notify client %u of new segment",
- ls->client_wrk_index);
- segment_manager_segment_reader_unlock (sm);
- application_local_session_disconnect (ls->client_wrk_index, ls);
- is_fail = 1;
+ app_worker_start_listen (app_wrk, al);
+ s = listen_session_get (al->session_index);
+ s->enqueue_epoch = SESSION_PROXY_LISTENER_INDEX;
+ }
}
else
{
- segment_manager_segment_reader_unlock (sm);
+ s = app_worker_proxy_listener (app_wrk, fib_proto, transport_proto);
+ ASSERT (s);
}
- client->cb_fns.session_connected_callback (client_wrk->wrk_index,
- ls->client_opaque,
- (stream_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
-application_local_session_cleanup (app_worker_t * client_wrk,
- app_worker_t * server_wrk,
- local_session_t * ls)
-{
- svm_fifo_segment_private_t *seg;
- segment_manager_t *sm;
- uword client_key;
- u8 has_transport;
-
- has_transport = session_has_transport ((stream_session_t *) ls);
- client_key = application_client_local_connect_key (ls);
- if (!has_transport)
- sm = application_get_local_segment_manager_w_session (server_wrk, ls);
- else
- sm = app_worker_get_listen_segment_manager (server_wrk,
- (stream_session_t *) ls);
-
- seg = segment_manager_get_segment (sm, ls->svm_segment_index);
- if (client_wrk)
- hash_unset (client_wrk->local_connects, client_key);
+ tc = listen_session_get_transport (s);
- if (!has_transport)
+ if (!ip_is_zero (&tc->lcl_ip, 1))
{
- application_t *server = application_get (server_wrk->app_index);
- server->cb_fns.del_segment_callback (server->api_client_index,
- &seg->ssvm);
- if (client_wrk)
- {
- application_t *client = application_get (client_wrk->app_index);
- client->cb_fns.del_segment_callback (client->api_client_index,
- &seg->ssvm);
- }
- segment_manager_del_segment (sm, seg);
+ u32 sti;
+ sep.is_ip4 = is_ip4;
+ sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
+ sep.transport_proto = transport_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,
+ (session_endpoint_t *) & sep,
+ s->session_index);
+ else
+ session_lookup_del_session_endpoint (sti,
+ (session_endpoint_t *) & sep);
}
- application_local_session_free (server_wrk, ls);
-
return 0;
}
-int
-application_local_session_disconnect (u32 app_index, local_session_t * ls)
+static void
+application_start_stop_proxy_local_scope (application_t * app,
+ u8 transport_proto, u8 is_start)
{
- 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);
+ session_endpoint_t sep = SESSION_ENDPOINT_NULL;
+ app_namespace_t *app_ns;
+ app_ns = app_namespace_get (app->ns_index);
+ sep.is_ip4 = 1;
+ sep.transport_proto = transport_proto;
+ sep.port = 0;
- if (app_index == ls->client_wrk_index)
+ if (is_start)
{
- mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
+ session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
+ app->app_index);
+ sep.is_ip4 = 0;
+ session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
+ app->app_index);
}
else
{
- if (!client_wrk)
- {
- return application_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,
- (stream_session_t *) ls,
- 1 /* is_fail */ );
- ls->session_state = SESSION_STATE_CLOSED;
- return application_local_session_cleanup (client_wrk, server_wrk,
- ls);
- }
- else
- {
- mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls);
- }
+ session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
+ sep.is_ip4 = 0;
+ session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
}
+}
- ls->session_state = SESSION_STATE_CLOSED;
+void
+application_start_stop_proxy (application_t * app,
+ transport_proto_t transport_proto, u8 is_start)
+{
+ if (application_has_local_scope (app))
+ application_start_stop_proxy_local_scope (app, transport_proto, is_start);
- return 0;
+ if (application_has_global_scope (app))
+ {
+ application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP4,
+ transport_proto, is_start);
+ application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP6,
+ transport_proto, is_start);
+ }
}
-int
-application_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
+void
+application_setup_proxy (application_t * app)
{
- app_worker_t *app_wrk;
- local_session_t *ls;
- app_wrk = app_worker_get (app_wrk_index);
- ls = application_get_local_session (app_wrk, ls_index);
- return application_local_session_disconnect (app_wrk_index, ls);
+ u16 transports = app->proxied_transports;
+ transport_proto_t tp;
+
+ ASSERT (application_is_proxy (app));
+
+ /* *INDENT-OFF* */
+ transport_proto_foreach (tp, ({
+ if (transports & (1 << tp))
+ application_start_stop_proxy (app, tp, 1);
+ }));
+ /* *INDENT-ON* */
}
void
-app_worker_local_sessions_free (app_worker_t * app_wrk)
+application_remove_proxy (application_t * app)
{
- 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;
+ u16 transports = app->proxied_transports;
+ transport_proto_t tp;
- /*
- * Local sessions
- */
- if (app_wrk->local_sessions)
- {
- /* *INDENT-OFF* */
- pool_foreach (ls, app_wrk->local_sessions, ({
- application_local_session_disconnect (app_wrk->wrk_index, ls);
- }));
- /* *INDENT-ON* */
- }
+ ASSERT (application_is_proxy (app));
- /*
- * Local connects
- */
- vec_reset_length (handles);
/* *INDENT-OFF* */
- hash_foreach (handle, index, app_wrk->local_connects, ({
- vec_add1 (handles, handle);
+ transport_proto_foreach (tp, ({
+ if (transports & (1 << tp))
+ application_start_stop_proxy (app, tp, 0);
}));
/* *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 = application_get_local_session (server_wrk, session_index);
- application_local_session_disconnect (app_wrk->wrk_index, ls);
- }
- }
+segment_manager_properties_t *
+application_segment_manager_properties (application_t * app)
+{
+ return &app->sm_properties;
+}
- sm = segment_manager_get (app_wrk->local_segment_manager);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_del (sm);
+segment_manager_properties_t *
+application_get_segment_manager_properties (u32 app_index)
+{
+ application_t *app = application_get (app_index);
+ return &app->sm_properties;
}
clib_error_t *
return 0;
}
-u8 *
-format_app_worker_listener (u8 * s, va_list * args)
-{
- app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
- u64 handle = va_arg (*args, u64);
- u32 sm_index = va_arg (*args, u32);
- int verbose = va_arg (*args, int);
- stream_session_t *listener;
- application_t *app;
- u8 *app_name, *str;
-
- if (!app_wrk)
- {
- if (verbose)
- s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
- "Wrk", "API Client", "ListenerID", "SegManager");
- else
- s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
-
- return s;
- }
-
- app = application_get (app_wrk->app_index);
- app_name = app_get_name_from_reg_index (app);
- listener = listen_session_get_from_handle (handle);
- str = format (0, "%U", format_stream_session, listener, verbose);
-
- if (verbose)
- {
- 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%=10u", str, app_name, app_wrk->wrk_map_index);
-
- vec_free (app_name);
- return s;
-}
-
static void
application_format_listeners (application_t * app, int verbose)
{
/* *INDENT-ON* */
}
-static 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;
- u8 *app_name, *s = 0;
- application_t *app;
-
- /* 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");
- return;
- }
-
- app = application_get (app_wrk->app_index);
- if (app_wrk->connects_seg_manager == (u32) ~ 0)
- return;
-
- app_name = app_get_name_from_reg_index (app);
-
- /* 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;
- stream_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->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* */
-
- vec_free (app_name);
-}
-
static void
application_format_connects (application_t * app, int verbose)
{
/* *INDENT-ON* */
}
-static 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);
-}
-
static void
application_format_local_sessions (application_t * app, int verbose)
{
/* *INDENT-ON* */
}
-static 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;
- uword 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 = application_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* */
-}
-
static void
application_format_local_connects (application_t * app, int verbose)
{
application_t *app = va_arg (*args, application_t *);
CLIB_UNUSED (int verbose) = va_arg (*args, int);
segment_manager_properties_t *props;
- const u8 *app_ns_name;
- u8 *app_name;
+ const u8 *app_ns_name, *app_name;
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
if (app == 0)
{
- if (verbose)
- s = format (s, "%-10s%-20s%-15s%-15s%-15s%-15s%-15s", "Index", "Name",
- "API Client", "Namespace", "Add seg size", "Rx-f size",
- "Tx-f size");
- else
- s = format (s, "%-10s%-20s%-15s%-40s", "Index", "Name", "API Client",
- "Namespace");
+ if (!verbose)
+ s = format (s, "%-10s%-20s%-40s", "Index", "Name", "Namespace");
return s;
}
app_name = app_get_name (app);
app_ns_name = app_namespace_id_from_index (app->ns_index);
props = application_segment_manager_properties (app);
- if (verbose)
- s = format (s, "%-10u%-20s%-15d%-15u%-15U%-15U%-15U", app->app_index,
- app_name, app->api_client_index, app->ns_index,
- format_memory_size, props->add_segment_size,
- format_memory_size, props->rx_fifo_size, format_memory_size,
- props->tx_fifo_size);
- else
- s = format (s, "%-10u%-20s%-15d%-40s", app->app_index, app_name,
- app->api_client_index, app_ns_name);
+ if (!verbose)
+ {
+ s = format (s, "%-10u%-20s%-40s", app->app_index, app_name,
+ app_ns_name);
+ return s;
+ }
+
+ s = format (s, "app-name %s app-index %u ns-index %u seg-size %U\n",
+ app_name, app->app_index, app->ns_index,
+ format_memory_size, props->add_segment_size);
+ s = format (s, "rx-fifo-size %U tx-fifo-size %U workers:\n",
+ format_memory_size, props->rx_fifo_size,
+ format_memory_size, props->tx_fifo_size);
+
+ /* *INDENT-OFF* */
+ pool_foreach (wrk_map, app->worker_maps, ({
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ s = format (s, "%U", format_app_worker, app_wrk);
+ }));
+ /* *INDENT-ON* */
+
return s;
}
{
int do_server = 0, do_client = 0, do_local = 0;
application_t *app;
+ u32 app_index = ~0;
int verbose = 0;
session_cli_return_if_not_enabled ();
do_client = 1;
else if (unformat (input, "local"))
do_local = 1;
+ else if (unformat (input, "%u", &app_index))
+ ;
else if (unformat (input, "verbose"))
verbose = 1;
else
- break;
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
}
if (do_server)
- application_format_all_listeners (vm, do_local, verbose);
+ {
+ application_format_all_listeners (vm, do_local, verbose);
+ return 0;
+ }
if (do_client)
- application_format_all_clients (vm, do_local, verbose);
+ {
+ application_format_all_clients (vm, do_local, verbose);
+ return 0;
+ }
+
+ if (app_index != ~0)
+ {
+ app = application_get_if_valid (app_index);
+ if (!app)
+ return clib_error_return (0, "No app with index %u", app_index);
+
+ vlib_cli_output (vm, "%U", format_application, app, /* verbose */ 1);
+ return 0;
+ }
/* Print app related info */
if (!do_server && !do_client)
{
- vlib_cli_output (vm, "%U", format_application, 0, verbose);
+ vlib_cli_output (vm, "%U", format_application, 0, 0);
/* *INDENT-OFF* */
pool_foreach (app, app_main.app_pool, ({
- vlib_cli_output (vm, "%U", format_application, app, verbose);
+ vlib_cli_output (vm, "%U", format_application, app, 0);
}));
/* *INDENT-ON* */
}