*/
#include <vnet/session/application.h>
+#include <vnet/session/application_interface.h>
+#include <vnet/session/application_namespace.h>
#include <vnet/session/session.h>
-/*
- * Pool from which we allocate all applications
+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);
+ clib_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)
+ clib_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);
+ clib_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)
+ clib_memset (app_listener, 0xfa, sizeof (*app_listener));
+}
+
+static app_worker_map_t *
+app_worker_map_alloc (application_t * app)
+{
+ app_worker_map_t *map;
+ pool_get (app->worker_maps, map);
+ clib_memset (map, 0, sizeof (*map));
+ return map;
+}
+
+static u32
+app_worker_map_index (application_t * app, app_worker_map_t * map)
+{
+ return (map - app->worker_maps);
+}
+
+static void
+app_worker_map_free (application_t * app, app_worker_map_t * map)
+{
+ pool_put (app->worker_maps, map);
+}
+
+static app_worker_map_t *
+app_worker_map_get (application_t * app, u32 map_index)
+{
+ return pool_elt_at_index (app->worker_maps, map_index);
+}
+
+static const u8 *
+app_get_name (application_t * app)
+{
+ return app->name;
+}
+
+u32
+application_session_table (application_t * app, u8 fib_proto)
+{
+ app_namespace_t *app_ns;
+ app_ns = app_namespace_get (app->ns_index);
+ if (!application_has_global_scope (app))
+ return APP_INVALID_INDEX;
+ if (fib_proto == FIB_PROTOCOL_IP4)
+ return session_lookup_get_index_for_fib (fib_proto,
+ app_ns->ip4_fib_index);
+ else
+ return session_lookup_get_index_for_fib (fib_proto,
+ app_ns->ip6_fib_index);
+}
+
+u32
+application_local_session_table (application_t * app)
+{
+ app_namespace_t *app_ns;
+ if (!application_has_local_scope (app))
+ return APP_INVALID_INDEX;
+ app_ns = app_namespace_get (app->ns_index);
+ 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;
+}
+
+/**
+ * Returns app name for app-index
+ */
+const u8 *
+application_name_from_index (u32 app_index)
+{
+ application_t *app = application_get (app_index);
+ if (!app)
+ return 0;
+ 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_name_table_add (application_t * app)
+{
+ hash_set_mem (app_main.app_by_name, app->name, app->app_index);
+}
+
+static void
+application_name_table_del (application_t * app)
+{
+ hash_unset_mem (app_main.app_by_name, app->name);
+}
+
+application_t *
+application_lookup (u32 api_client_index)
+{
+ uword *p;
+ p = hash_get (app_main.app_by_api_client_index, api_client_index);
+ if (p)
+ return application_get_if_valid (p[0]);
+
+ return 0;
+}
+
+application_t *
+application_lookup_name (const u8 * name)
+{
+ uword *p;
+ p = hash_get_mem (app_main.app_by_name, name);
+ if (p)
+ return application_get (p[0]);
+
+ return 0;
+}
+
+application_t *
+application_alloc (void)
+{
+ application_t *app;
+ pool_get (app_main.app_pool, app);
+ clib_memset (app, 0, sizeof (*app));
+ app->app_index = app - app_main.app_pool;
+ return app;
+}
+
+application_t *
+application_get (u32 app_index)
+{
+ if (app_index == APP_INVALID_INDEX)
+ return 0;
+ return pool_elt_at_index (app_main.app_pool, app_index);
+}
+
+application_t *
+application_get_if_valid (u32 app_index)
+{
+ if (pool_is_free_index (app_main.app_pool, app_index))
+ return 0;
+
+ return pool_elt_at_index (app_main.app_pool, app_index);
+}
+
+static void
+application_verify_cb_fns (session_cb_vft_t * cb_fns)
+{
+ if (cb_fns->session_accept_callback == 0)
+ clib_warning ("No accept callback function provided");
+ if (cb_fns->session_connected_callback == 0)
+ clib_warning ("No session connected callback function provided");
+ if (cb_fns->session_disconnect_callback == 0)
+ clib_warning ("No session disconnect callback function provided");
+ if (cb_fns->session_reset_callback == 0)
+ clib_warning ("No session reset callback function provided");
+}
+
+/**
+ * Check app config for given segment type
+ *
+ * Returns 1 on success and 0 otherwise
+ */
+static u8
+application_verify_cfg (ssvm_segment_type_t st)
+{
+ u8 is_valid;
+ if (st == SSVM_SEGMENT_MEMFD)
+ {
+ is_valid = (session_manager_get_evt_q_segment () != 0);
+ if (!is_valid)
+ clib_warning ("memfd seg: vpp's event qs IN binary api svm region");
+ return is_valid;
+ }
+ else if (st == SSVM_SEGMENT_SHM)
+ {
+ is_valid = (session_manager_get_evt_q_segment () == 0);
+ if (!is_valid)
+ clib_warning ("shm seg: vpp's event qs NOT IN binary api svm region");
+ return is_valid;
+ }
+ else
+ return 1;
+}
+
+int
+application_alloc_and_init (app_init_args_t * a)
+{
+ ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD;
+ segment_manager_properties_t *props;
+ vl_api_registration_t *reg;
+ application_t *app;
+ u64 *options;
+
+ app = application_alloc ();
+ options = a->options;
+ /*
+ * Make sure we support the requested configuration
+ */
+ if (!(options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN))
+ {
+ reg = vl_api_client_index_to_registration (a->api_client_index);
+ if (!reg)
+ return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
+ if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
+ seg_type = SSVM_SEGMENT_SHM;
+ }
+ else
+ {
+ if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
+ {
+ clib_warning ("mq eventfds can only be used if socket transport is "
+ "used for api");
+ return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
+ }
+ seg_type = SSVM_SEGMENT_PRIVATE;
+ }
+
+ if (!application_verify_cfg (seg_type))
+ return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
+
+ /* Check that the obvious things are properly set up */
+ application_verify_cb_fns (a->session_cb_vft);
+
+ app->flags = options[APP_OPTIONS_FLAGS];
+ app->cb_fns = *a->session_cb_vft;
+ app->ns_index = options[APP_OPTIONS_NAMESPACE];
+ app->proxied_transports = options[APP_OPTIONS_PROXY_TRANSPORT];
+ app->name = vec_dup (a->name);
+
+ /* If no scope enabled, default to global */
+ if (!application_has_global_scope (app)
+ && !application_has_local_scope (app))
+ app->flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
+
+ props = application_segment_manager_properties (app);
+ segment_manager_properties_init (props);
+ props->segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
+ props->prealloc_fifos = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS];
+ if (options[APP_OPTIONS_ADD_SEGMENT_SIZE])
+ {
+ props->add_segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
+ props->add_segment = 1;
+ }
+ if (options[APP_OPTIONS_RX_FIFO_SIZE])
+ props->rx_fifo_size = options[APP_OPTIONS_RX_FIFO_SIZE];
+ if (options[APP_OPTIONS_TX_FIFO_SIZE])
+ props->tx_fifo_size = options[APP_OPTIONS_TX_FIFO_SIZE];
+ if (options[APP_OPTIONS_EVT_QUEUE_SIZE])
+ props->evt_q_size = options[APP_OPTIONS_EVT_QUEUE_SIZE];
+ if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
+ props->use_mq_eventfd = 1;
+ if (options[APP_OPTIONS_TLS_ENGINE])
+ app->tls_engine = options[APP_OPTIONS_TLS_ENGINE];
+ props->segment_type = seg_type;
+
+ /* Add app to lookup by api_client_index table */
+ 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
+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
+ * the segment manager. No need to explicitly free it.
+ */
+ APP_DBG ("Delete app name %v api index: %d index: %d", app->name,
+ app->api_client_index, app->app_index);
+
+ 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);
+ app_worker_free (app_wrk);
+ }));
+ /* *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
+ */
+ 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);
+}
+
+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)
+{
+ app_worker_map_t *map;
+ map = app_worker_map_get (app, wrk_map_index);
+ if (!map)
+ return 0;
+ return app_worker_get (map->wrk_index);
+}
+
+app_worker_t *
+application_get_default_worker (application_t * app)
+{
+ return application_get_worker (app, 0);
+}
+
+u32
+application_n_workers (application_t * app)
+{
+ return pool_elts (app->worker_maps);
+}
+
+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;
+ pool_get (app_main.workers, app_wrk);
+ clib_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;
+}
+
+app_worker_t *
+app_worker_get (u32 wrk_index)
+{
+ return pool_elt_at_index (app_main.workers, wrk_index);
+}
+
+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);
+}
+
+void
+app_worker_free (app_worker_t * app_wrk)
+{
+ application_t *app = application_get (app_wrk->app_index);
+ vnet_unbind_args_t _a, *a = &_a;
+ u64 handle, *handles = 0;
+ segment_manager_t *sm;
+ u32 sm_index;
+ int i;
+
+ /*
+ * Listener cleanup
+ */
+
+ /* *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++)
+ {
+ 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);
+ }
+
+ /*
+ * Connects segment manager cleanup
+ */
+
+ 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);
+ sm->first_is_protected = 0;
+ sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
+ /* .. and has no fifos, e.g. it might be used for redirected sessions,
+ * remove it */
+ if (!segment_manager_has_fifos (sm))
+ segment_manager_del (sm);
+ }
+
+ /*
+ * Local sessions
+ */
+ app_worker_local_sessions_free (app_wrk);
+
+ pool_put (app_main.workers, app_wrk);
+ if (CLIB_DEBUG)
+ clib_memset (app_wrk, 0xfe, sizeof (*app_wrk));
+}
+
+int
+app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk)
+{
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
+ segment_manager_t *sm;
+ 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;
+
+ if ((rv = segment_manager_init (sm, app->sm_properties.segment_size,
+ app->sm_properties.prealloc_fifos)))
+ {
+ app_worker_free (app_wrk);
+ return rv;
+ }
+ sm->first_is_protected = 1;
+
+ /*
+ * 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);
+
+ /*
+ * 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));
+
+ *wrk = app_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 *
+app_worker_alloc_segment_manager (app_worker_t * app_wrk)
+{
+ segment_manager_t *sm = 0;
+
+ /* If the first segment manager is not in use, don't allocate a new one */
+ if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
+ && app_wrk->first_segment_manager_in_use == 0)
+ {
+ sm = segment_manager_get (app_wrk->first_segment_manager);
+ app_wrk->first_segment_manager_in_use = 1;
+ return sm;
+ }
+
+ sm = segment_manager_new ();
+ sm->app_wrk_index = app_wrk->wrk_index;
+
+ 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.
+ *
+ * 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_cfg_t * sep_ext,
+ session_handle_t * res)
+{
+ app_listener_t *app_listener;
+ u32 table_index, fib_proto;
+ session_endpoint_t *sep;
+ app_worker_t *app_wrk;
+ stream_session_t *ls;
+ session_handle_t lh;
+ session_type_t sst;
+
+ /*
+ * Check if sep is already listened on
+ */
+ sep = (session_endpoint_t *) sep_ext;
+ fib_proto = session_endpoint_fib_proto (sep);
+ table_index = application_session_table (app, fib_proto);
+ lh = session_lookup_endpoint_listener (table_index, sep, 1);
+ if (lh != SESSION_INVALID_HANDLE)
+ {
+ ls = listen_session_get_from_handle (lh);
+ if (ls->app_index != app->app_index)
+ return VNET_API_ERROR_ADDRESS_IN_USE;
+
+ app_wrk = app_worker_get (sep_ext->app_wrk_index);
+ if (ls->app_wrk_index == app_wrk->wrk_index)
+ return VNET_API_ERROR_ADDRESS_IN_USE;
+
+ if (app_worker_start_listen (app_wrk, ls))
+ return -1;
+
+ app_listener = app_listener_get (app, ls->listener_db_index);
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ app_wrk->wrk_map_index, 1);
+
+ *res = listen_session_get_handle (ls);
+ return 0;
+ }
+
+ /*
+ * Allocate new listener for application
+ */
+ sst = session_type_from_proto_and_ip (sep_ext->transport_proto,
+ sep_ext->is_ip4);
+ ls = listen_session_new (0, sst);
+ ls->app_index = app->app_index;
+ lh = listen_session_get_handle (ls);
+ if (session_listen (ls, sep_ext))
+ goto err;
+
+
+ ls = listen_session_get_from_handle (lh);
+ 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 = lh;
+ return 0;
+
+err:
+ listen_session_del (ls);
+ return -1;
+}
+
+/**
+ * Stop listening on session associated to handle
+ *
+ * @param handle listener handle
+ * @param app_index index of the app owning the handle.
+ * @param app_wrk_index index of the worker requesting the stop
+ */
+int
+application_stop_listen (u32 app_index, u32 app_wrk_index,
+ session_handle_t handle)
+{
+ app_listener_t *app_listener;
+ stream_session_t *listener;
+ app_worker_t *app_wrk;
+ application_t *app;
+
+ listener = listen_session_get_from_handle (handle);
+ app = application_get (app_index);
+ if (PREDICT_FALSE (!app || app->app_index != listener->app_index))
+ {
+ clib_warning ("app doesn't own handle %llu!", handle);
+ return -1;
+ }
+
+ app_listener = app_listener_get (app, listener->listener_db_index);
+ if (!clib_bitmap_get (app_listener->workers, app_wrk_index))
+ {
+ clib_warning ("worker %u not listening on handle %lu", app_wrk_index,
+ handle);
+ return 0;
+ }
+
+ app_wrk = application_get_worker (app, app_wrk_index);
+ app_worker_stop_listen (app_wrk, handle);
+ clib_bitmap_set_no_check (app_listener->workers, app_wrk_index, 0);
+
+ if (clib_bitmap_is_zero (app_listener->workers))
+ {
+ session_stop_listen (listener);
+ app_listener_free (app, app_listener);
+ listen_session_del (listener);
+ }
+
+ return 0;
+}
+
+int
+app_worker_open_session (app_worker_t * app, session_endpoint_t * sep,
+ u32 api_context)
+{
+ int rv;
+
+ /* Make sure we have a segment manager for connects */
+ app_worker_alloc_connects_segment_manager (app);
+
+ if ((rv = session_open (app->wrk_index, sep, api_context)))
+ return rv;
+
+ return 0;
+}
+
+int
+app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
+{
+ segment_manager_t *sm;
+
+ if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
+ {
+ sm = app_worker_alloc_segment_manager (app_wrk);
+ if (sm == 0)
+ return -1;
+ app_wrk->connects_seg_manager = segment_manager_index (sm);
+ }
+ return 0;
+}
+
+segment_manager_t *
+app_worker_get_connect_segment_manager (app_worker_t * app)
+{
+ ASSERT (app->connects_seg_manager != (u32) ~ 0);
+ return segment_manager_get (app->connects_seg_manager);
+}
+
+segment_manager_t *
+app_worker_get_listen_segment_manager (app_worker_t * app,
+ stream_session_t * listener)
+{
+ uword *smp;
+ smp = hash_get (app->listeners_table, listen_session_get_handle (listener));
+ ASSERT (smp != 0);
+ return segment_manager_get (*smp);
+}
+
+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);
+
+ /* 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;
+ }
+ else
+ {
+ wrk_map = app_worker_map_get (app, a->wrk_map_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_map_index);
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ if (!app_wrk)
+ return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
+ "No worker %u", a->wrk_map_index);
+ 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;
+}
+
+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)
+{
+ return app->flags & APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
+}
+
+u8
+application_has_global_scope (application_t * app)
+{
+ return app->flags & APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
+}
+
+u8
+application_use_mq_for_ctrl (application_t * app)
+{
+ 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, u64 segment_handle)
+{
+ app_worker_t *app_wrk = app_worker_get (app_wrk_index);
+ application_t *app = application_get (app_wrk->app_index);
+ return app->cb_fns.add_segment_callback (app_wrk->api_client_index,
+ segment_handle);
+}
+
+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_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
+ transport_connection_t *tc;
+ app_worker_t *app_wrk;
+ stream_session_t *s;
+ u64 handle;
+
+ /* TODO decide if we want proxy to be enabled for all workers */
+ app_wrk = application_get_default_worker (app);
+ if (is_start)
+ {
+ s = app_worker_first_listener (app_wrk, fib_proto, transport_proto);
+ 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;
+
+ (void) svm_fifo_set_event (s->server_rx_fifo);
+
+ if (app_enqueue_evt (mq, &msg, lock))
+ return -1;
+ 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. If there's
+ * not enough space to enqueue a message, we return.
+ */
+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 */ );
+}
+
+/**
+ * Send event to application
+ *
+ * Logic from queue perspective is blocking. However, if queue is full,
+ * we return.
*/
-static application_t *app_pool;
+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);
+ clib_memset (s, 0, sizeof (*s));
+ s->app_wrk_index = app_wrk->wrk_index;
+ s->session_index = s - app_wrk->local_sessions;
+ s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
+ return s;
+}
+
+void
+application_local_session_free (app_worker_t * app, local_session_t * s)
+{
+ pool_put (app->local_sessions, s);
+ if (CLIB_DEBUG)
+ clib_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);
+ clib_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)
+ clib_memset (ll, 0xfb, sizeof (*ll));
+}
+
+int
+application_start_local_listen (application_t * app,
+ session_endpoint_cfg_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;
+}
-/*
- * Hash table of apps by api client index
+/**
+ * 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.
*/
-static uword *app_by_api_client_index;
-
int
-application_api_queue_is_full (application_t * app)
+application_stop_local_listen (u32 app_index, u32 wrk_map_index,
+ session_handle_t lh)
{
- unix_shared_memory_queue_t *q;
+ 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;
- /* builtin servers are always OK */
- if (app->api_client_index == ~0)
- return 0;
+ server = application_get (app_index);
+ table_index = application_local_session_table (server);
- q = vl_api_client_index_to_input_queue (app->api_client_index);
- if (!q)
- return 1;
+ /* 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);
+ }
- if (q->cursize == q->maxsize)
- return 1;
return 0;
}
static void
-application_table_add (application_t * app)
+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;
+ u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index;
+ segment_manager_properties_t *props, *cprops;
+ int rv, has_transport, seg_index;
+ svm_fifo_segment_private_t *seg;
+ application_t *server, *client;
+ segment_manager_t *sm;
+ local_session_t *ls;
+ svm_msg_q_t *sq, *cq;
+ u64 segment_handle;
+
+ ls = 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;
+ }
+ sm_index = segment_manager_index (sm);
+ ls->server_rx_fifo->ct_session_index = ls->session_index;
+ ls->server_tx_fifo->ct_session_index = ls->session_index;
+ ls->server_rx_fifo->segment_manager = sm_index;
+ ls->server_tx_fifo->segment_manager = sm_index;
+ ls->server_rx_fifo->segment_index = seg_index;
+ ls->server_tx_fifo->segment_index = seg_index;
+ ls->svm_segment_index = seg_index;
+ ls->listener_index = ll->session_index;
+ ls->client_wrk_index = client_wrk->wrk_index;
+ ls->client_opaque = opaque;
+ ls->listener_session_type = ll->session_type;
+ ls->session_state = SESSION_STATE_READY;
+
+ segment_handle = segment_manager_segment_handle (sm, seg);
+ if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index,
+ segment_handle)))
+ {
+ clib_warning ("failed to notify server of new segment");
+ segment_manager_segment_reader_unlock (sm);
+ goto failed;
+ }
+ segment_manager_segment_reader_unlock (sm);
+ if ((rv = server->cb_fns.session_accept_callback ((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)
{
- hash_set (app_by_api_client_index, app->api_client_index, app->index);
+ return ((uword) ls->app_wrk_index << 32 | (uword) ls->session_index);
}
static void
-application_table_del (application_t * app)
+application_client_local_connect_key_parse (uword key, u32 * app_wrk_index,
+ u32 * session_index)
{
- hash_unset (app_by_api_client_index, app->api_client_index);
+ *app_wrk_index = key >> 32;
+ *session_index = key & 0xFFFFFFFF;
}
-application_t *
-application_lookup (u32 api_client_index)
+int
+application_local_session_connect_notify (local_session_t * ls)
{
- uword *p;
- p = hash_get (app_by_api_client_index, api_client_index);
- if (p)
- return application_get (p[0]);
+ svm_fifo_segment_private_t *seg;
+ app_worker_t *client_wrk, *server_wrk;
+ segment_manager_t *sm;
+ application_t *client;
+ int rv, is_fail = 0;
+ u64 segment_handle;
+ uword client_key;
+
+ client_wrk = app_worker_get (ls->client_wrk_index);
+ server_wrk = app_worker_get (ls->app_wrk_index);
+ client = application_get (client_wrk->app_index);
+
+ sm = application_get_local_segment_manager_w_session (server_wrk, ls);
+ seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
+ segment_handle = segment_manager_segment_handle (sm, seg);
+ if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index,
+ segment_handle)))
+ {
+ clib_warning ("failed to notify client %u of new segment",
+ ls->client_wrk_index);
+ segment_manager_segment_reader_unlock (sm);
+ application_local_session_disconnect (ls->client_wrk_index, ls);
+ is_fail = 1;
+ }
+ else
+ {
+ segment_manager_segment_reader_unlock (sm);
+ }
+ client->cb_fns.session_connected_callback (client_wrk->wrk_index,
+ ls->client_opaque,
+ (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;
}
-void
-application_del (application_t * app)
+int
+application_local_session_cleanup (app_worker_t * client_wrk,
+ app_worker_t * server_wrk,
+ local_session_t * ls)
{
- session_manager_main_t *smm = vnet_get_session_manager_main ();
- api_main_t *am = &api_main;
- void *oldheap;
- session_manager_t *sm;
+ svm_fifo_segment_private_t *seg;
+ stream_session_t *listener;
+ segment_manager_t *sm;
+ uword client_key;
+ u8 has_transport;
- if (app->mode == APP_SERVER)
+ /* Retrieve listener transport type as it is the one that decides where
+ * the fifos are allocated */
+ has_transport = application_local_session_listener_has_transport (ls);
+ if (!has_transport)
+ sm = application_get_local_segment_manager_w_session (server_wrk, ls);
+ else
+ {
+ listener = listen_session_get (ls->listener_index);
+ sm = app_worker_get_listen_segment_manager (server_wrk, listener);
+ }
+
+ seg = segment_manager_get_segment (sm, ls->svm_segment_index);
+ if (client_wrk)
{
- sm = session_manager_get (app->session_manager_index);
- session_manager_del (smm, sm);
+ client_key = application_client_local_connect_key (ls);
+ hash_unset (client_wrk->local_connects, client_key);
}
- /* Free the event fifo in the /vpe-api shared-memory segment */
- oldheap = svm_push_data_heap (am->vlib_rp);
- if (app->event_queue)
- unix_shared_memory_queue_free (app->event_queue);
- svm_pop_heap (oldheap);
+ if (!has_transport)
+ {
+ application_t *server = application_get (server_wrk->app_index);
+ u64 segment_handle = segment_manager_segment_handle (sm, seg);
+ server->cb_fns.del_segment_callback (server_wrk->api_client_index,
+ segment_handle);
+ if (client_wrk)
+ {
+ application_t *client = application_get (client_wrk->app_index);
+ client->cb_fns.del_segment_callback (client_wrk->api_client_index,
+ segment_handle);
+ }
+ segment_manager_del_segment (sm, seg);
+ }
- application_table_del (app);
+ application_local_session_free (server_wrk, ls);
- pool_put (app_pool, app);
+ return 0;
}
-application_t *
-application_new (application_type_t type, session_type_t sst,
- u32 api_client_index, u32 flags, session_cb_vft_t * cb_fns)
+int
+application_local_session_disconnect (u32 app_index, local_session_t * ls)
{
- session_manager_main_t *smm = vnet_get_session_manager_main ();
- api_main_t *am = &api_main;
+ app_worker_t *client_wrk, *server_wrk;
+ u8 is_server = 0, is_client = 0;
application_t *app;
- void *oldheap;
- session_manager_t *sm;
-
- pool_get (app_pool, app);
- memset (app, 0, sizeof (*app));
- /* Allocate event fifo in the /vpe-api shared-memory segment */
- oldheap = svm_push_data_heap (am->vlib_rp);
+ app = application_get_if_valid (app_index);
+ if (!app)
+ return 0;
- /* Allocate server event queue */
- app->event_queue =
- unix_shared_memory_queue_init (128 /* nels $$$$ config */ ,
- sizeof (session_fifo_event_t),
- 0 /* consumer pid */ ,
- 0
- /* (do not) signal when queue non-empty */
- );
+ client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
+ server_wrk = app_worker_get (ls->app_wrk_index);
- svm_pop_heap (oldheap);
+ if (server_wrk->app_index == app_index)
+ is_server = 1;
+ else if (client_wrk && client_wrk->app_index == app_index)
+ is_client = 1;
- /* If a server, allocate session manager */
- if (type == APP_SERVER)
+ if (!is_server && !is_client)
{
- pool_get (smm->session_managers, sm);
- memset (sm, 0, sizeof (*sm));
+ 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;
+ }
- app->session_manager_index = sm - smm->session_managers;
+ if (ls->session_state == SESSION_STATE_CLOSED)
+ return application_local_session_cleanup (client_wrk, server_wrk, ls);
+
+ if (app_index == ls->client_wrk_index)
+ {
+ mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
}
- else if (type == APP_CLIENT)
+ else
{
- /* Allocate connect session manager if needed */
- if (smm->connect_manager_index[sst] == INVALID_INDEX)
- connects_session_manager_init (smm, sst);
- app->session_manager_index = smm->connect_manager_index[sst];
+ 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);
+ }
}
- app->mode = type;
- app->index = application_get_index (app);
- app->session_type = sst;
- app->api_client_index = api_client_index;
- app->flags = flags;
- app->cb_fns = *cb_fns;
+ ls->session_state = SESSION_STATE_CLOSED;
- /* Add app to lookup by api_client_index table */
- application_table_add (app);
-
- return app;
+ return 0;
}
-application_t *
-application_get (u32 index)
+int
+application_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
{
- return pool_elt_at_index (app_pool, index);
+ 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);
}
-u32
-application_get_index (application_t * app)
+void
+app_worker_local_sessions_free (app_worker_t * app_wrk)
{
- return app - app_pool;
-}
+ 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;
-int
-application_server_init (application_t * server, u32 segment_size,
- u32 add_segment_size, u32 rx_fifo_size,
- u32 tx_fifo_size, u8 ** segment_name)
-{
- session_manager_main_t *smm = vnet_get_session_manager_main ();
- session_manager_t *sm;
- int rv;
+ /*
+ * 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* */
+ }
- sm = session_manager_get (server->session_manager_index);
+ /*
+ * Local connects
+ */
+ vec_reset_length (handles);
+ /* *INDENT-OFF* */
+ hash_foreach (handle, index, app_wrk->local_connects, ({
+ vec_add1 (handles, handle);
+ }));
+ /* *INDENT-ON* */
- /* Add first segment */
- if ((rv = session_manager_add_first_segment (smm, sm, segment_size,
- segment_name)))
+ for (i = 0; i < vec_len (handles); i++)
{
- return rv;
+ 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);
+ }
}
- /* Setup session manager */
- sm->add_segment_size = add_segment_size;
- sm->rx_fifo_size = rx_fifo_size;
- sm->tx_fifo_size = tx_fifo_size;
- sm->add_segment = sm->add_segment_size != 0;
+ sm = segment_manager_get (app_wrk->local_segment_manager);
+ sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
+ segment_manager_del (sm);
+}
+
+clib_error_t *
+vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a)
+{
+ application_t *app;
+ app = application_get (a->app_index);
+ if (!app)
+ return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED,
+ 0, "app %u doesn't exist", a->app_index);
+ app->tls_cert = vec_dup (a->cert);
+ return 0;
+}
+
+clib_error_t *
+vnet_app_add_tls_key (vnet_app_add_tls_key_args_t * a)
+{
+ application_t *app;
+ app = application_get (a->app_index);
+ if (!app)
+ return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED,
+ 0, "app %u doesn't exist", a->app_index);
+ app->tls_key = vec_dup (a->key);
return 0;
}
u8 *
-format_application_server (u8 * s, va_list * args)
+format_app_worker_listener (u8 * s, va_list * args)
{
- application_t *srv = va_arg (*args, application_t *);
+ 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);
- vl_api_registration_t *regp;
stream_session_t *listener;
- u8 *server_name, *str, *seg_name;
- u32 segment_size;
+ const u8 *app_name;
+ u8 *str;
- if (srv == 0)
+ if (!app_wrk)
{
if (verbose)
- s = format (s, "%-40s%-20s%-15s%-15s%-10s", "Connection", "Server",
- "Segment", "API Client", "Cookie");
+ s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
+ "Wrk", "API Client", "ListenerID", "SegManager");
else
- s = format (s, "%-40s%-20s", "Connection", "Server");
+ s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
return s;
}
- regp = vl_api_client_index_to_registration (srv->api_client_index);
- if (!regp)
- server_name = format (0, "%s%c", regp->name, 0);
- else
- server_name = regp->name;
-
- listener = stream_session_listener_get (srv->session_type,
- srv->session_index);
+ app_name = application_name_from_index (app_wrk->app_index);
+ listener = listen_session_get_from_handle (handle);
str = format (0, "%U", format_stream_session, listener, verbose);
- session_manager_get_segment_info (listener->server_segment_index, &seg_name,
- &segment_size);
if (verbose)
{
- s = format (s, "%-40s%-20s%-20s%-10d%-10d", str, server_name,
- seg_name, srv->api_client_index, srv->accept_cookie);
+ char buf[32];
+ sprintf (buf, "%u(%u)", app_wrk->wrk_map_index, app_wrk->wrk_index);
+ s = format (s, "%-40s%-25s%=10s%-15u%-15u%-10u", str, app_name,
+ buf, app_wrk->api_client_index, handle, sm_index);
}
else
- s = format (s, "%-40s%-20s", str, server_name);
+ s = format (s, "%-40s%-25s%=10u", str, app_name, app_wrk->wrk_map_index);
+
return s;
}
-u8 *
-format_application_client (u8 * s, va_list * args)
+static void
+application_format_listeners (application_t * app, int verbose)
{
- application_t *client = va_arg (*args, application_t *);
- int verbose = va_arg (*args, int);
- stream_session_t *session;
- u8 *str, *seg_name;
- u32 segment_size;
+ vlib_main_t *vm = vlib_get_main ();
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
+ u32 sm_index;
+ u64 handle;
- if (client == 0)
+ if (!app)
+ {
+ vlib_cli_output (vm, "%U", format_app_worker_listener, 0 /* header */ ,
+ 0, 0, verbose);
+ return;
+ }
+
+ /* *INDENT-OFF* */
+ pool_foreach (wrk_map, app->worker_maps, ({
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ if (hash_elts (app_wrk->listeners_table) == 0)
+ continue;
+ hash_foreach (handle, sm_index, app_wrk->listeners_table, ({
+ vlib_cli_output (vm, "%U", format_app_worker_listener, app_wrk,
+ handle, sm_index, 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;
+ const u8 *app_name;
+ u8 *s = 0;
+
+ /* Header */
+ if (!app_wrk)
+ {
+ if (verbose)
+ vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App",
+ "API Client", "SegManager");
+ else
+ vlib_cli_output (vm, "%-40s%-20s", "Connection", "App");
+ return;
+ }
+
+ if (app_wrk->connects_seg_manager == (u32) ~ 0)
+ return;
+
+ app_name = application_name_from_index (app_wrk->app_index);
+
+ /* Across all fifo segments */
+ sm = segment_manager_get (app_wrk->connects_seg_manager);
+
+ /* *INDENT-OFF* */
+ segment_manager_foreach_segment_w_lock (fifo_segment, sm, ({
+ svm_fifo_t *fifo;
+ u8 *str;
+
+ fifo = svm_fifo_segment_get_fifo_list (fifo_segment);
+ while (fifo)
+ {
+ u32 session_index, thread_index;
+ 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_wrk->api_client_index, app_wrk->connects_seg_manager);
+ else
+ s = format (s, "%-40s%-20s", str, app_name);
+
+ vlib_cli_output (vm, "%v", s);
+ vec_reset_length (s);
+ vec_free (str);
+
+ fifo = fifo->next;
+ }
+ vec_free (s);
+ }));
+ /* *INDENT-ON* */
+
+}
+
+static void
+application_format_connects (application_t * app, int verbose)
+{
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
+
+ if (!app)
+ {
+ app_worker_format_connects (0, verbose);
+ return;
+ }
+
+ /* *INDENT-OFF* */
+ pool_foreach (wrk_map, app->worker_maps, ({
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ app_worker_format_connects (app_wrk, 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)
+{
+ 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)
+ {
+ app_worker_format_local_sessions (0, 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);
+ app_worker_format_local_sessions (app_wrk, 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)
- s =
- format (s, "%-40s%-20s%-10s", "Connection", "Segment",
- "API Client");
+ vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App",
+ "Peer App", "SegManager");
else
- s = format (s, "%-40s", "Connection");
+ 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)
+{
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
+
+ if (!app)
+ {
+ app_worker_format_local_connects (0, verbose);
+ return;
+ }
+
+ /* *INDENT-OFF* */
+ pool_foreach (wrk_map, app->worker_maps, ({
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ app_worker_format_local_connects (app_wrk, verbose);
+ }));
+ /* *INDENT-ON* */
+}
+
+u8 *
+format_application_worker (u8 * s, va_list * args)
+{
+ app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
+ u32 indent = 1;
+
+ s = format (s, "%U wrk-index %u app-index %u map-index %u "
+ "api-client-index %d\n", format_white_space, indent,
+ app_wrk->wrk_index, app_wrk->app_index, app_wrk->wrk_map_index,
+ app_wrk->api_client_index);
+ return s;
+}
+
+u8 *
+format_application (u8 * s, va_list * args)
+{
+ 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, *app_name;
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
+
+ if (app == 0)
+ {
+ 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%-40s", app->app_index, app_name,
+ app_ns_name);
return s;
}
- session = stream_session_get (client->session_index, client->thread_index);
- str = format (0, "%U", format_stream_session, session, verbose);
+ 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);
- session_manager_get_segment_info (session->server_segment_index, &seg_name,
- &segment_size);
- if (verbose)
+ /* *INDENT-OFF* */
+ pool_foreach (wrk_map, app->worker_maps, ({
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ s = format (s, "%U", format_application_worker, app_wrk);
+ }));
+ /* *INDENT-ON* */
+
+ return s;
+}
+
+void
+application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose)
+{
+ application_t *app;
+
+ if (!pool_elts (app_main.app_pool))
+ {
+ vlib_cli_output (vm, "No active server bindings");
+ return;
+ }
+
+ if (do_local)
{
- s = format (s, "%-40s%-20s%-10d%", str, seg_name,
- client->api_client_index);
+ application_format_local_sessions (0, verbose);
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_local_sessions (app, verbose);
+ }));
+ /* *INDENT-ON* */
}
else
- s = format (s, "%-40s", str);
- return s;
+ {
+ application_format_listeners (0, verbose);
+
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_listeners (app, verbose);
+ }));
+ /* *INDENT-ON* */
+ }
+}
+
+void
+application_format_all_clients (vlib_main_t * vm, int do_local, int verbose)
+{
+ application_t *app;
+
+ if (!pool_elts (app_main.app_pool))
+ {
+ vlib_cli_output (vm, "No active apps");
+ return;
+ }
+
+ if (do_local)
+ {
+ application_format_local_connects (0, verbose);
+
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_local_connects (app, verbose);
+ }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ application_format_connects (0, verbose);
+
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_connects (app, verbose);
+ }));
+ /* *INDENT-ON* */
+ }
}
static clib_error_t *
show_app_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
+ int do_server = 0, do_client = 0, do_local = 0;
application_t *app;
- int do_server = 0;
- int do_client = 0;
+ u32 app_index = ~0;
int verbose = 0;
+ session_cli_return_if_not_enabled ();
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "server"))
do_server = 1;
else if (unformat (input, "client"))
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)
{
- if (pool_elts (app_pool))
- {
- vlib_cli_output (vm, "%U", format_application_server,
- 0 /* header */ ,
- verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_pool,
- ({
- if (app->mode == APP_SERVER)
- vlib_cli_output (vm, "%U", format_application_server, app,
- verbose);
- }));
- /* *INDENT-ON* */
- }
- else
- vlib_cli_output (vm, "No active server bindings");
+ application_format_all_listeners (vm, do_local, verbose);
+ return 0;
}
if (do_client)
{
- if (pool_elts (app_pool))
- {
- vlib_cli_output (vm, "%U", format_application_client,
- 0 /* header */ ,
- verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_pool,
- ({
- if (app->mode == APP_CLIENT)
- vlib_cli_output (vm, "%U", format_application_client, app,
- verbose);
- }));
- /* *INDENT-ON* */
- }
- else
- vlib_cli_output (vm, "No active server bindings");
+ 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, 0);
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ vlib_cli_output (vm, "%U", format_application, app, 0);
+ }));
+ /* *INDENT-ON* */
}
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_app_command, static) =
{
-.path = "show app",.short_help =
- "show app [server|client] [verbose]",.function = show_app_command_fn,};
+ .path = "show app",
+ .short_help = "show app [server|client] [verbose]",
+ .function = show_app_command_fn,
+};
+/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
Code Review / vpp.git / blobdiff