/* * 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: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include #include #include 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 app_listener_t * app_listener_alloc (application_t * app) { app_main_t *am = &app_main; app_listener_t *app_listener; pool_get (am->listeners, app_listener); clib_memset (app_listener, 0, sizeof (*app_listener)); app_listener->al_index = app_listener - am->listeners; app_listener->app_index = app->app_index; app_listener->session_index = SESSION_INVALID_INDEX; app_listener->local_index = SESSION_INVALID_INDEX; app_listener->ls_handle = SESSION_INVALID_HANDLE; return app_listener; } app_listener_t * app_listener_get (u32 app_listener_index) { app_main_t *am = &app_main; return pool_elt_at_index (am->listeners, app_listener_index); } static void app_listener_free (application_t * app, app_listener_t * app_listener) { app_main_t *am = &app_main; clib_bitmap_free (app_listener->workers); vec_free (app_listener->cl_listeners); if (CLIB_DEBUG) clib_memset (app_listener, 0xfa, sizeof (*app_listener)); pool_put (am->listeners, app_listener); } session_handle_t app_listener_handle (app_listener_t * al) { return al->ls_handle; } session_handle_t app_listen_session_handle (session_t * ls) { app_listener_t *al; /* TODO(fcoras): quic session handles */ if (ls->al_index == SESSION_INVALID_INDEX) return listen_session_get_handle (ls); al = app_listener_get (ls->al_index); return al->ls_handle; } app_listener_t * app_listener_get_w_handle (session_handle_t handle) { session_t *ls; ls = session_get_from_handle_if_valid (handle); if (!ls) return 0; return app_listener_get (ls->al_index); } 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; session_t *ls; void *iface_ip; ip46_address_t original_ip; 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) { ls = listen_session_get_from_handle (handle); return app_listener_get (ls->al_index); } } fib_proto = session_endpoint_fib_proto (sep); table_index = session_lookup_get_index_for_fib (fib_proto, sep->fib_index); 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 (ls->al_index); } /* * When binds to "inaddr_any", we add zero address in the local lookup table * and interface address in the global lookup table. If local scope disable, * the latter is the only clue to find the listener. */ if (!application_has_local_scope (app) && ip_is_zero (&sep_ext->ip, sep_ext->is_ip4) && sep_ext->sw_if_index != ENDPOINT_INVALID_INDEX) { if ((iface_ip = ip_interface_get_first_ip (sep_ext->sw_if_index, sep_ext->is_ip4))) { ip_copy (&original_ip, &sep_ext->ip, sep_ext->is_ip4); ip_set (&sep_ext->ip, iface_ip, sep_ext->is_ip4); handle = session_lookup_endpoint_listener (table_index, sep, 1); ip_copy (&sep_ext->ip, &original_ip, sep_ext->is_ip4); if (handle != SESSION_INVALID_HANDLE) { ls = listen_session_get_from_handle (handle); return app_listener_get (ls->al_index); } } } 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; transport_connection_t *tc; u32 al_index, table_index; session_handle_t lh; session_type_t st; session_t *ls = 0; int rv; app_listener = app_listener_alloc (app); al_index = app_listener->al_index; 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)) { session_type_t local_st; local_st = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, sep->is_ip4); ls = listen_session_alloc (0, local_st); ls->app_wrk_index = sep->app_wrk_index; lh = session_handle (ls); if ((rv = session_listen (ls, sep))) { ls = session_get_from_handle (lh); session_free (ls); app_listener_free (app, app_listener); return rv; } ls = session_get_from_handle (lh); app_listener = app_listener_get (al_index); app_listener->local_index = ls->session_index; app_listener->ls_handle = lh; ls->al_index = al_index; table_index = application_local_session_table (app); session_lookup_add_session_endpoint (table_index, (session_endpoint_t *) sep, lh); } 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_alloc (0, st); ls->app_wrk_index = sep->app_wrk_index; /* Listen pool can be reallocated if the transport is * recursive (tls) */ lh = listen_session_get_handle (ls); if ((rv = session_listen (ls, sep))) { ls = listen_session_get_from_handle (lh); session_free (ls); app_listener_free (app, app_listener); return rv; } ls = listen_session_get_from_handle (lh); app_listener = app_listener_get (al_index); app_listener->session_index = ls->session_index; app_listener->ls_handle = lh; ls->al_index = al_index; /* Add to the global lookup table after transport was initialized. * Lookup table needs to be populated only now because sessions * with cut-through transport are are added to app local tables that * are not related to network fibs, i.e., cannot be added as * connections */ tc = session_get_transport (ls); if (!(tc->flags & TRANSPORT_CONNECTION_F_NO_LOOKUP)) { fib_protocol_t fib_proto; fib_proto = session_endpoint_fib_proto ((session_endpoint_t *) sep); /* Assume namespace vetted previously so make sure table exists */ table_index = session_lookup_get_or_alloc_index_for_fib ( fib_proto, sep->fib_index); session_lookup_add_session_endpoint (table_index, (session_endpoint_t *) sep, lh); } } if (!ls) { app_listener_free (app, app_listener); return -1; } *listener = app_listener; return 0; } void app_listener_cleanup (app_listener_t * al) { application_t *app = application_get (al->app_index); session_t *ls; if (al->session_index != SESSION_INVALID_INDEX) { ls = session_get (al->session_index, 0); session_stop_listen (ls); listen_session_free (ls); } if (al->local_index != SESSION_INVALID_INDEX) { session_endpoint_t sep = SESSION_ENDPOINT_NULL; u32 table_index; table_index = application_local_session_table (app); ls = listen_session_get (al->local_index); ct_session_endpoint (ls, &sep); session_lookup_del_session_endpoint (table_index, &sep); session_stop_listen (ls); listen_session_free (ls); } app_listener_free (app, al); } static app_worker_t * app_listener_select_worker (app_listener_t *al) { 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); } session_t * app_listener_get_local_session (app_listener_t * al) { if (al->local_index == SESSION_INVALID_INDEX) return 0; return listen_session_get (al->local_index); } session_t * app_listener_get_wrk_cl_session (app_listener_t *al, u32 wrk_map_index) { u32 si = vec_elt (al->cl_listeners, wrk_map_index); return session_get (si, 0 /* listener thread */); } 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) { if (pool_is_free_index (app->worker_maps, map_index)) return 0; 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; } /** * 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; } void appsl_pending_rx_mqs_add_tail (appsl_wrk_t *aw, app_rx_mq_elt_t *elt) { app_rx_mq_elt_t *head; if (!aw->pending_rx_mqs) { elt->next = elt->prev = elt; aw->pending_rx_mqs = elt; return; } head = aw->pending_rx_mqs; ASSERT (head != elt); elt->prev = head->prev; elt->next = head; head->prev->next = elt; head->prev = elt; } void appsl_pending_rx_mqs_del (appsl_wrk_t *aw, app_rx_mq_elt_t *elt) { if (elt->next == elt) { elt->next = elt->prev = 0; aw->pending_rx_mqs = 0; return; } if (elt == aw->pending_rx_mqs) aw->pending_rx_mqs = elt->next; elt->next->prev = elt->prev; elt->prev->next = elt->next; elt->next = elt->prev = 0; } vlib_node_registration_t appsl_rx_mqs_input_node; VLIB_NODE_FN (appsl_rx_mqs_input_node) (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame) { u32 thread_index = vm->thread_index, n_msgs = 0; app_rx_mq_elt_t *elt, *next; app_main_t *am = &app_main; session_worker_t *wrk; int __clib_unused rv; appsl_wrk_t *aw; u64 buf; aw = &am->wrk[thread_index]; elt = aw->pending_rx_mqs; if (!elt) return 0; wrk = session_main_get_worker (thread_index); do { if (!(elt->flags & APP_RX_MQ_F_POSTPONED)) rv = read (svm_msg_q_get_eventfd (elt->mq), &buf, sizeof (buf)); n_msgs += session_wrk_handle_mq (wrk, elt->mq); next = elt->next; appsl_pending_rx_mqs_del (aw, elt); if (!svm_msg_q_is_empty (elt->mq)) { elt->flags |= APP_RX_MQ_F_POSTPONED; appsl_pending_rx_mqs_add_tail (aw, elt); } else { elt->flags = 0; } elt = next; } while (aw->pending_rx_mqs && elt != aw->pending_rx_mqs); if (aw->pending_rx_mqs) vlib_node_set_interrupt_pending (vm, appsl_rx_mqs_input_node.index); if (n_msgs && wrk->state == SESSION_WRK_INTERRUPT) vlib_node_set_interrupt_pending (vm, session_queue_node.index); return n_msgs; } VLIB_REGISTER_NODE (appsl_rx_mqs_input_node) = { .name = "appsl-rx-mqs-input", .type = VLIB_NODE_TYPE_INPUT, .state = VLIB_NODE_STATE_DISABLED, }; static clib_error_t * app_rx_mq_fd_read_ready (clib_file_t *cf) { app_rx_mq_handle_t *handle = (app_rx_mq_handle_t *) &cf->private_data; vlib_main_t *vm = vlib_get_main (); app_main_t *am = &app_main; app_rx_mq_elt_t *mqe; application_t *app; appsl_wrk_t *aw; ASSERT (vlib_get_thread_index () == handle->thread_index); app = application_get_if_valid (handle->app_index); if (!app) return 0; mqe = &app->rx_mqs[handle->thread_index]; if ((mqe->flags & APP_RX_MQ_F_PENDING) || svm_msg_q_is_empty (mqe->mq)) return 0; aw = &am->wrk[handle->thread_index]; appsl_pending_rx_mqs_add_tail (aw, mqe); mqe->flags |= APP_RX_MQ_F_PENDING; vlib_node_set_interrupt_pending (vm, appsl_rx_mqs_input_node.index); return 0; } static clib_error_t * app_rx_mq_fd_write_ready (clib_file_t *cf) { clib_warning ("should not be called"); return 0; } static void app_rx_mqs_epoll_add (application_t *app, app_rx_mq_elt_t *mqe) { clib_file_t template = { 0 }; app_rx_mq_handle_t handle; u32 thread_index; int fd; thread_index = mqe - app->rx_mqs; fd = svm_msg_q_get_eventfd (mqe->mq); handle.app_index = app->app_index; handle.thread_index = thread_index; template.read_function = app_rx_mq_fd_read_ready; template.write_function = app_rx_mq_fd_write_ready; template.file_descriptor = fd; template.private_data = handle.as_u64; template.polling_thread_index = thread_index; template.description = format (0, "app-%u-rx-mq-%u", app->app_index, thread_index); mqe->file_index = clib_file_add (&file_main, &template); } static void app_rx_mqs_epoll_del (application_t *app, app_rx_mq_elt_t *mqe) { u32 thread_index = mqe - app->rx_mqs; app_main_t *am = &app_main; appsl_wrk_t *aw; aw = &am->wrk[thread_index]; session_wrk_handle_mq (session_main_get_worker (thread_index), mqe->mq); if (mqe->flags & APP_RX_MQ_F_PENDING) appsl_pending_rx_mqs_del (aw, mqe); clib_file_del_by_index (&file_main, mqe->file_index); } svm_msg_q_t * application_rx_mq_get (application_t *app, u32 mq_index) { if (!app->rx_mqs) return 0; return app->rx_mqs[mq_index].mq; } static int app_rx_mqs_alloc (application_t *app) { u32 evt_q_length, evt_size = sizeof (session_event_t); fifo_segment_t *eqs = &app->rx_mqs_segment; u32 n_mqs = vlib_num_workers () + 1; segment_manager_props_t *props; int i; props = application_segment_manager_properties (app); evt_q_length = clib_max (props->evt_q_size, 128); svm_msg_q_cfg_t _cfg, *cfg = &_cfg; svm_msg_q_ring_cfg_t rc[SESSION_MQ_N_RINGS] = { { evt_q_length, evt_size, 0 }, { evt_q_length >> 1, 256, 0 } }; cfg->consumer_pid = 0; cfg->n_rings = 2; cfg->q_nitems = evt_q_length; cfg->ring_cfgs = rc; eqs->ssvm.ssvm_size = svm_msg_q_size_to_alloc (cfg) * n_mqs + (1 << 20); eqs->ssvm.name = format (0, "%v-rx-mqs-seg%c", app->name, 0); if (ssvm_server_init (&eqs->ssvm, SSVM_SEGMENT_MEMFD)) { clib_warning ("failed to initialize queue segment"); return SESSION_E_SEG_CREATE; } fifo_segment_init (eqs); /* Fifo segment filled only with mqs */ eqs->h->n_mqs = n_mqs; vec_validate (app->rx_mqs, n_mqs - 1); for (i = 0; i < n_mqs; i++) { app->rx_mqs[i].mq = fifo_segment_msg_q_alloc (eqs, i, cfg); if (svm_msg_q_alloc_eventfd (app->rx_mqs[i].mq)) { clib_warning ("eventfd returned"); fifo_segment_cleanup (eqs); ssvm_delete (&eqs->ssvm); return SESSION_E_EVENTFD_ALLOC; } app_rx_mqs_epoll_add (app, &app->rx_mqs[i]); app->rx_mqs[i].app_index = app->app_index; } return 0; } u8 application_use_private_rx_mqs (void) { return session_main.use_private_rx_mqs; } fifo_segment_t * application_get_rx_mqs_segment (application_t *app) { if (application_use_private_rx_mqs ()) return &app->rx_mqs_segment; return session_main_get_wrk_mqs_segment (); } void application_enable_rx_mqs_nodes (u8 is_en) { u8 state = is_en ? VLIB_NODE_STATE_INTERRUPT : VLIB_NODE_STATE_DISABLED; foreach_vlib_main () vlib_node_set_state (this_vlib_main, appsl_rx_mqs_input_node.index, state); } static 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 int _null_app_tx_callback (session_t *s) { return 0; } 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"); if (!cb_fns->builtin_app_tx_callback) cb_fns->builtin_app_tx_callback = _null_app_tx_callback; } /** * 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_main_get_wrk_mqs_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_main_get_wrk_mqs_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; } static session_error_t application_alloc_and_init (app_init_args_t *a) { ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD; segment_manager_props_t *props; application_t *app; u64 *opts; app = application_alloc (); opts = a->options; /* * Make sure we support the requested configuration */ if ((opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN) && !(opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_MEMFD_FOR_BUILTIN)) seg_type = SSVM_SEGMENT_PRIVATE; if ((opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD) && seg_type != SSVM_SEGMENT_MEMFD) { clib_warning ("mq eventfds can only be used if socket transport is " "used for binary api"); return SESSION_E_NOSUPPORT; } if (!application_verify_cfg (seg_type)) return SESSION_E_NOSUPPORT; if (opts[APP_OPTIONS_PREALLOC_FIFO_PAIRS] && opts[APP_OPTIONS_PREALLOC_FIFO_HDRS]) return SESSION_E_NOSUPPORT; /* Check that the obvious things are properly set up */ application_verify_cb_fns (a->session_cb_vft); app->flags = opts[APP_OPTIONS_FLAGS]; app->cb_fns = *a->session_cb_vft; app->ns_index = opts[APP_OPTIONS_NAMESPACE]; app->proxied_transports = opts[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_props_init (props); props->segment_size = opts[APP_OPTIONS_SEGMENT_SIZE]; props->prealloc_fifos = opts[APP_OPTIONS_PREALLOC_FIFO_PAIRS]; props->prealloc_fifo_hdrs = opts[APP_OPTIONS_PREALLOC_FIFO_HDRS]; if (opts[APP_OPTIONS_ADD_SEGMENT_SIZE]) { props->add_segment_size = opts[APP_OPTIONS_ADD_SEGMENT_SIZE]; props->add_segment = 1; } if (opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_USE_HUGE_PAGE) props->huge_page = 1; if (opts[APP_OPTIONS_RX_FIFO_SIZE]) props->rx_fifo_size = opts[APP_OPTIONS_RX_FIFO_SIZE]; if (opts[APP_OPTIONS_TX_FIFO_SIZE]) props->tx_fifo_size = opts[APP_OPTIONS_TX_FIFO_SIZE]; if (opts[APP_OPTIONS_EVT_QUEUE_SIZE]) props->evt_q_size = opts[APP_OPTIONS_EVT_QUEUE_SIZE]; if (opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD) props->use_mq_eventfd = 1; if (opts[APP_OPTIONS_TLS_ENGINE]) app->tls_engine = opts[APP_OPTIONS_TLS_ENGINE]; if (opts[APP_OPTIONS_MAX_FIFO_SIZE]) props->max_fifo_size = opts[APP_OPTIONS_MAX_FIFO_SIZE]; if (opts[APP_OPTIONS_HIGH_WATERMARK]) props->high_watermark = opts[APP_OPTIONS_HIGH_WATERMARK]; if (opts[APP_OPTIONS_LOW_WATERMARK]) props->low_watermark = opts[APP_OPTIONS_LOW_WATERMARK]; if (opts[APP_OPTIONS_PCT_FIRST_ALLOC]) props->pct_first_alloc = opts[APP_OPTIONS_PCT_FIRST_ALLOC]; 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, a->api_client_index, app->app_index); return 0; } static void application_free (application_t * app) { app_worker_map_t *wrk_map; app_worker_t *app_wrk; /* * 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 index: %d", app->name, app->app_index); if (application_is_proxy (app)) application_remove_proxy (app); /* * Free workers */ pool_flush (wrk_map, app->worker_maps, ({ app_wrk = app_worker_get (wrk_map->wrk_index); app_worker_free (app_wrk); })); pool_free (app->worker_maps); /* * Free rx mqs if allocated */ if (app->rx_mqs) { int i; for (i = 0; i < vec_len (app->rx_mqs); i++) app_rx_mqs_epoll_del (app, &app->rx_mqs[i]); fifo_segment_cleanup (&app->rx_mqs_segment); ssvm_delete (&app->rx_mqs_segment.ssvm); vec_free (app->rx_mqs); } /* * Cleanup remaining state */ if (application_is_builtin (app)) application_name_table_del (app); vec_free (app->name); 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, api_client_index); 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); } 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); } void application_namespace_cleanup (app_namespace_t *app_ns) { u32 *app_indices = 0, *app_index; application_t *app; u32 ns_index; ns_index = app_namespace_index (app_ns); pool_foreach (app, app_main.app_pool) if (app->ns_index == ns_index) vec_add1 (app_indices, app->app_index); vec_foreach (app_index, app_indices) { app = application_get (*app_index); if (application_is_proxy (app)) application_remove_proxy (app); app->flags &= ~APP_OPTIONS_FLAGS_IS_PROXY; application_free (app); } vec_free (app_indices); } 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 (session_t * ls) { app_listener_t *al; al = app_listener_get (ls->al_index); return app_listener_select_worker (al); } always_inline u32 app_listener_cl_flow_hash (session_dgram_hdr_t *hdr) { u32 hash = 0; if (hdr->is_ip4) { hash = clib_crc32c_u32 (hash, hdr->rmt_ip.ip4.as_u32); hash = clib_crc32c_u32 (hash, hdr->lcl_ip.ip4.as_u32); hash = clib_crc32c_u16 (hash, hdr->rmt_port); hash = clib_crc32c_u16 (hash, hdr->lcl_port); } else { hash = clib_crc32c_u64 (hash, hdr->rmt_ip.ip6.as_u64[0]); hash = clib_crc32c_u64 (hash, hdr->rmt_ip.ip6.as_u64[1]); hash = clib_crc32c_u64 (hash, hdr->lcl_ip.ip6.as_u64[0]); hash = clib_crc32c_u64 (hash, hdr->lcl_ip.ip6.as_u64[1]); hash = clib_crc32c_u16 (hash, hdr->rmt_port); hash = clib_crc32c_u16 (hash, hdr->lcl_port); } return hash; } session_t * app_listener_select_wrk_cl_session (session_t *ls, session_dgram_hdr_t *hdr) { u32 wrk_map_index = 0; app_listener_t *al; al = app_listener_get (ls->al_index); /* Crude test to check if only worker 0 is set */ if (al->workers[0] != 1) { u32 hash = app_listener_cl_flow_hash (hdr); hash %= vec_len (al->workers) * sizeof (uword); wrk_map_index = clib_bitmap_next_set (al->workers, hash); if (wrk_map_index == ~0) wrk_map_index = clib_bitmap_first_set (al->workers); } return app_listener_get_wrk_cl_session (al, wrk_map_index); } int application_alloc_worker_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_alloc (); sm->app_wrk_index = app_wrk->wrk_index; if ((rv = segment_manager_init_first (sm))) { app_worker_free (app_wrk); return rv; } sm->first_is_protected = 1; /* * Setup app worker */ app_wrk->connects_seg_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); *wrk = app_wrk; return 0; } session_error_t vnet_app_worker_add_del (vnet_app_worker_add_del_args_t *a) { fifo_segment_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 SESSION_E_INVALID; if (a->is_add) { 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->connects_seg_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 SESSION_E_INVALID; app_wrk = app_worker_get (wrk_map->wrk_index); if (!app_wrk) return SESSION_E_INVALID; application_api_table_del (app_wrk->api_client_index); if (appns_sapi_enabled ()) sapi_socket_close_w_handle (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; } static session_error_t 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 SESSION_E_INVALID_NS; app_ns = app_namespace_get (*app_ns_index); if (!app_ns) return SESSION_E_INVALID_NS; if (app_ns->ns_secret != secret) return SESSION_E_WRONG_NS_SECRET; return 0; } static u8 * app_name_from_api_index (u32 api_client_index) { vl_api_registration_t *regp; regp = vl_api_client_index_to_registration (api_client_index); if (regp) return format (0, "%s", regp->name); clib_warning ("api client index %u does not have an api registration!", api_client_index); return format (0, "unknown"); } /** * 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. */ session_error_t vnet_application_attach (vnet_app_attach_args_t *a) { fifo_segment_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; session_error_t rv; 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 SESSION_E_INVALID; if (app) return SESSION_E_APP_ATTACHED; /* Socket api sets the name and validates namespace prior to attach */ if (!a->use_sock_api) { if (a->api_client_index != APP_INVALID_INDEX) { app_name = app_name_from_api_index (a->api_client_index); a->name = app_name; } 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->connects_seg_manager); fs = segment_manager_get_segment_w_lock (sm, 0); if (application_is_proxy (app)) { application_setup_proxy (app); /* The segment manager pool is reallocated because a new listener * is added. Re-grab segment manager to avoid dangling reference */ sm = segment_manager_get (app_wrk->connects_seg_manager); } ASSERT (vec_len (fs->ssvm.name) <= 128); a->segment = &fs->ssvm; a->segment_handle = segment_manager_segment_handle (sm, fs); segment_manager_segment_reader_unlock (sm); if (!application_is_builtin (app) && application_use_private_rx_mqs ()) rv = app_rx_mqs_alloc (app); vec_free (app_name); return rv; } /** * Detach application from vpp */ session_error_t vnet_application_detach (vnet_app_detach_args_t *a) { application_t *app; app = application_get_if_valid (a->app_index); if (!app) { clib_warning ("app not attached"); return SESSION_E_NOAPP; } app_interface_check_thread_and_barrier (vnet_application_detach, a); application_detach_process (app, a->api_client_index); return 0; } static u8 session_endpoint_in_ns (session_endpoint_cfg_t *sep) { u8 is_lep; if (sep->flags & SESSION_ENDPT_CFG_F_PROXY_LISTEN) return 1; is_lep = session_endpoint_is_local ((session_endpoint_t *) sep); if (!is_lep && sep->sw_if_index != ENDPOINT_INVALID_INDEX && !ip_interface_has_address (sep->sw_if_index, &sep->ip, sep->is_ip4)) { 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 (is_lep || ip_is_local (sep->fib_index, &sep->ip, sep->is_ip4)); } static void session_endpoint_update_for_app (session_endpoint_cfg_t * sep, application_t * app, u8 is_connect) { app_namespace_t *app_ns; u32 ns_index, fib_index; ns_index = app->ns_index; /* App is a transport proto, so fetch the calling app's ns */ if (app->flags & APP_OPTIONS_FLAGS_IS_TRANSPORT_APP) ns_index = sep->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; if (!is_connect) { sep->sw_if_index = app_ns->sw_if_index; } else { 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"); sep->peer.sw_if_index = app_ns->sw_if_index; } } session_error_t vnet_listen (vnet_listen_args_t *a) { app_listener_t *app_listener; app_worker_t *app_wrk; application_t *app; int rv; ASSERT (vlib_thread_is_main_w_barrier ()); app = application_get_if_valid (a->app_index); if (!app) return SESSION_E_NOAPP; app_wrk = application_get_worker (app, a->wrk_map_index); if (!app_wrk) return SESSION_E_INVALID_APPWRK; 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_ext)) return SESSION_E_INVALID_NS; /* * Check if we already have an app listener */ app_listener = app_listener_lookup (app, &a->sep_ext); if (app_listener) { if (app_listener->app_index != app->app_index) return SESSION_E_ALREADY_LISTENING; if ((rv = app_worker_start_listen (app_wrk, app_listener))) return rv; a->handle = app_listener_handle (app_listener); return 0; } /* * Create new app listener */ if ((rv = app_listener_alloc_and_init (app, &a->sep_ext, &app_listener))) return rv; 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; } session_error_t vnet_connect (vnet_connect_args_t *a) { app_worker_t *client_wrk; application_t *client; ASSERT (session_vlib_thread_is_cl_thread ()); if (session_endpoint_is_zero (&a->sep)) return SESSION_E_INVALID_RMT_IP; 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); a->sep_ext.opaque = a->api_context; /* * 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. */ if (application_has_local_scope (client)) { session_error_t rv; a->sep_ext.original_tp = a->sep_ext.transport_proto; a->sep_ext.transport_proto = TRANSPORT_PROTO_NONE; rv = app_worker_connect_session (client_wrk, &a->sep_ext, &a->sh); a->sep_ext.transport_proto = a->sep_ext.original_tp; if (!rv || rv != SESSION_E_LOCAL_CONNECT) return rv; } /* * Not connecting to a local server, propagate to transport */ return app_worker_connect_session (client_wrk, &a->sep_ext, &a->sh); } session_error_t vnet_unlisten (vnet_unlisten_args_t *a) { app_worker_t *app_wrk; app_listener_t *al; application_t *app; ASSERT (vlib_thread_is_main_w_barrier ()); if (!(app = application_get_if_valid (a->app_index))) return SESSION_E_NOAPP; if (!(al = app_listener_get_w_handle (a->handle))) return SESSION_E_NOLISTEN; if (al->app_index != app->app_index) { clib_warning ("app doesn't own handle %llu!", a->handle); return SESSION_E_OWNER; } app_wrk = application_get_worker (app, a->wrk_map_index); if (!app_wrk) { clib_warning ("no app %u worker %u", app->app_index, a->wrk_map_index); return SESSION_E_INVALID_APPWRK; } return app_worker_stop_listen (app_wrk, al); } session_error_t vnet_shutdown_session (vnet_shutdown_args_t *a) { app_worker_t *app_wrk; session_t *s; s = session_get_from_handle_if_valid (a->handle); if (!s) return SESSION_E_NOSESSION; app_wrk = app_worker_get (s->app_wrk_index); if (app_wrk->app_index != a->app_index) return SESSION_E_OWNER; /* We're peeking into another's thread pool. Make sure */ ASSERT (s->session_index == session_index_from_handle (a->handle)); session_half_close (s); return 0; } session_error_t vnet_disconnect_session (vnet_disconnect_args_t *a) { app_worker_t *app_wrk; session_t *s; s = session_get_from_handle_if_valid (a->handle); if (!s) return SESSION_E_NOSESSION; app_wrk = app_worker_get (s->app_wrk_index); if (app_wrk->app_index != a->app_index) return SESSION_E_OWNER; /* 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 application_change_listener_owner (session_t * s, app_worker_t * app_wrk) { app_worker_t *old_wrk = app_worker_get (s->app_wrk_index); app_listener_t *app_listener; application_t *app; int rv; if (!old_wrk) return SESSION_E_INVALID_APPWRK; 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, s->tx_fifo); app = application_get (old_wrk->app_index); if (!app) return SESSION_E_NOAPP; app_listener = app_listener_get (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 ((rv = app_worker_start_listen (app_wrk, app_listener))) return rv; s->app_wrk_index = app_wrk->wrk_index; return 0; } 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; } int application_original_dst_is_enabled (application_t *app) { return app->flags & APP_OPTIONS_FLAGS_GET_ORIGINAL_DST; } 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; 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 (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 */ /* 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; app_worker_start_listen (app_wrk, al); s = listen_session_get (al->session_index); s->flags |= SESSION_F_PROXY; } } else { s = app_worker_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)); transport_proto_foreach (tp, transports) application_start_stop_proxy (app, tp, 1); } void application_remove_proxy (application_t * app) { u16 transports = app->proxied_transports; transport_proto_t tp; ASSERT (application_is_proxy (app)); transport_proto_foreach (tp, transports) application_start_stop_proxy (app, tp, 0); } segment_manager_props_t * application_segment_manager_properties (application_t * app) { return &app->sm_properties; } segment_manager_props_t * application_get_segment_manager_properties (u32 app_index) { application_t *app = application_get (app_index); return &app->sm_properties; } static void application_format_listeners (application_t * app, int verbose) { vlib_main_t *vm = vlib_get_main (); app_worker_map_t *wrk_map; app_worker_t *app_wrk; u32 sm_index; u64 handle; if (!app) { vlib_cli_output (vm, "%U", format_app_worker_listener, NULL /* header */, 0, 0, verbose); return; } 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); })); } } 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; } pool_foreach (wrk_map, app->worker_maps) { app_wrk = app_worker_get (wrk_map->wrk_index); app_worker_format_connects (app_wrk, verbose); } } u8 * format_cert_key_pair (u8 * s, va_list * args) { app_cert_key_pair_t *ckpair = va_arg (*args, app_cert_key_pair_t *); int key_len = 0, cert_len = 0; cert_len = vec_len (ckpair->cert); key_len = vec_len (ckpair->key); if (ckpair->cert_key_index == 0) s = format (s, "DEFAULT (cert:%d, key:%d)", cert_len, key_len); else s = format (s, "%d (cert:%d, key:%d)", ckpair->cert_key_index, cert_len, key_len); return s; } u8 * format_crypto_engine (u8 * s, va_list * args) { u32 engine = va_arg (*args, u32); switch (engine) { case CRYPTO_ENGINE_NONE: return format (s, "none"); case CRYPTO_ENGINE_MBEDTLS: return format (s, "mbedtls"); case CRYPTO_ENGINE_OPENSSL: return format (s, "openssl"); case CRYPTO_ENGINE_PICOTLS: return format (s, "picotls"); case CRYPTO_ENGINE_VPP: return format (s, "vpp"); default: return format (s, "unknown engine"); } return s; } uword unformat_crypto_engine (unformat_input_t * input, va_list * args) { u8 *a = va_arg (*args, u8 *); if (unformat (input, "mbedtls")) *a = CRYPTO_ENGINE_MBEDTLS; else if (unformat (input, "openssl")) *a = CRYPTO_ENGINE_OPENSSL; else if (unformat (input, "picotls")) *a = CRYPTO_ENGINE_PICOTLS; else if (unformat (input, "vpp")) *a = CRYPTO_ENGINE_VPP; else return 0; return 1; } u8 * format_crypto_context (u8 * s, va_list * args) { crypto_context_t *crctx = va_arg (*args, crypto_context_t *); s = format (s, "[0x%x][sub%d,ckpair%x]", crctx->ctx_index, crctx->n_subscribers, crctx->ckpair_index); s = format (s, "[%U]", format_crypto_engine, crctx->crypto_engine); 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_props_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%-20v%-40v", app->app_index, app_name, app_ns_name); return s; } s = format (s, "app-name %v 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); 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); } return s; } void application_format_all_listeners (vlib_main_t * vm, int verbose) { application_t *app; if (!pool_elts (app_main.app_pool)) { vlib_cli_output (vm, "No active server bindings"); return; } application_format_listeners (0, verbose); pool_foreach (app, app_main.app_pool) { application_format_listeners (app, verbose); } } void application_format_all_clients (vlib_main_t * vm, int verbose) { application_t *app; if (!pool_elts (app_main.app_pool)) { vlib_cli_output (vm, "No active apps"); return; } application_format_connects (0, verbose); pool_foreach (app, app_main.app_pool) { application_format_connects (app, verbose); } } static clib_error_t * show_certificate_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { app_cert_key_pair_t *ckpair; session_cli_return_if_not_enabled (); pool_foreach (ckpair, app_main.cert_key_pair_store) { vlib_cli_output (vm, "%U", format_cert_key_pair, ckpair); } return 0; } static inline void appliction_format_app_mq (vlib_main_t * vm, application_t * app) { app_worker_map_t *map; app_worker_t *wrk; int i; pool_foreach (map, app->worker_maps) { wrk = app_worker_get (map->wrk_index); vlib_cli_output (vm, "[A%d][%d]%U", app->app_index, map->wrk_index, format_svm_msg_q, wrk->event_queue); } for (i = 0; i < vec_len (app->rx_mqs); i++) vlib_cli_output (vm, "[A%d][R%d]%U", app->app_index, i, format_svm_msg_q, app->rx_mqs[i].mq); } static clib_error_t * appliction_format_all_app_mq (vlib_main_t * vm) { application_t *app; int i, n_threads; n_threads = vlib_get_n_threads (); for (i = 0; i < n_threads; i++) { vlib_cli_output (vm, "[Ctrl%d]%U", i, format_svm_msg_q, session_main_get_vpp_event_queue (i)); } pool_foreach (app, app_main.app_pool) { appliction_format_app_mq (vm, app); } return 0; } 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_mq = 0, do_transports = 0; application_t *app; u32 app_index = ~0; int verbose = 0; u8 is_ta; 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, "transports")) do_transports = 1; else if (unformat (input, "mq")) do_mq = 1; else if (unformat (input, "%u", &app_index)) ; else if (unformat (input, "verbose")) verbose = 1; else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); } if (do_mq && app_index != ~0) { app = application_get_if_valid (app_index); if (!app) return clib_error_return (0, "No app with index %u", app_index); appliction_format_app_mq (vm, app); return 0; } if (do_mq) { appliction_format_all_app_mq (vm); return 0; } if (do_server) { application_format_all_listeners (vm, verbose); return 0; } if (do_client) { application_format_all_clients (vm, 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); pool_foreach (app, app_main.app_pool) { is_ta = app->flags & APP_OPTIONS_FLAGS_IS_TRANSPORT_APP; if ((!do_transports && !is_ta) || (do_transports && is_ta)) vlib_cli_output (vm, "%U", format_application, app, 0); } } return 0; } /* Certificate store */ static app_cert_key_pair_t * app_cert_key_pair_alloc () { app_cert_key_pair_t *ckpair; pool_get (app_main.cert_key_pair_store, ckpair); clib_memset (ckpair, 0, sizeof (*ckpair)); ckpair->cert_key_index = ckpair - app_main.cert_key_pair_store; return ckpair; } app_cert_key_pair_t * app_cert_key_pair_get_if_valid (u32 index) { if (pool_is_free_index (app_main.cert_key_pair_store, index)) return 0; return app_cert_key_pair_get (index); } app_cert_key_pair_t * app_cert_key_pair_get (u32 index) { return pool_elt_at_index (app_main.cert_key_pair_store, index); } app_cert_key_pair_t * app_cert_key_pair_get_default () { /* To maintain legacy bapi */ return app_cert_key_pair_get (0); } int vnet_app_add_cert_key_pair (vnet_app_add_cert_key_pair_args_t * a) { app_cert_key_pair_t *ckpair = app_cert_key_pair_alloc (); vec_validate (ckpair->cert, a->cert_len - 1); clib_memcpy_fast (ckpair->cert, a->cert, a->cert_len); vec_validate (ckpair->key, a->key_len - 1); clib_memcpy_fast (ckpair->key, a->key, a->key_len); a->index = ckpair->cert_key_index; return 0; } int vnet_app_add_cert_key_interest (u32 index, u32 app_index) { app_cert_key_pair_t *ckpair; if (!(ckpair = app_cert_key_pair_get_if_valid (index))) return -1; if (vec_search (ckpair->app_interests, app_index) != ~0) vec_add1 (ckpair->app_interests, app_index); return 0; } int vnet_app_del_cert_key_pair (u32 index) { app_cert_key_pair_t *ckpair; application_t *app; u32 *app_index; if (!(ckpair = app_cert_key_pair_get_if_valid (index))) return SESSION_E_INVALID; vec_foreach (app_index, ckpair->app_interests) { if ((app = application_get_if_valid (*app_index)) && app->cb_fns.app_cert_key_pair_delete_callback) app->cb_fns.app_cert_key_pair_delete_callback (ckpair); } vec_free (ckpair->cert); vec_free (ckpair->key); pool_put (app_main.cert_key_pair_store, ckpair); return 0; } clib_error_t * application_init (vlib_main_t * vm) { app_main_t *am = &app_main; u32 n_workers; n_workers = vlib_num_workers (); /* Index 0 was originally used by legacy apis, maintain as invalid */ (void) app_cert_key_pair_alloc (); am->last_crypto_engine = CRYPTO_ENGINE_LAST; am->app_by_name = hash_create_vec (0, sizeof (u8), sizeof (uword)); vec_validate (am->wrk, n_workers); return 0; } VLIB_INIT_FUNCTION (application_init); VLIB_CLI_COMMAND (show_app_command, static) = { .path = "show app", .short_help = "show app [index] [server|client] [mq] [verbose] " "[transports]", .function = show_app_command_fn, }; VLIB_CLI_COMMAND (show_certificate_command, static) = { .path = "show app certificate", .short_help = "list app certs and keys present in store", .function = show_certificate_command_fn, }; crypto_engine_type_t app_crypto_engine_type_add (void) { return (++app_main.last_crypto_engine); } u8 app_crypto_engine_n_types (void) { return (app_main.last_crypto_engine + 1); } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */