X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fapplication.c;h=65d2f08ddcad7db107f0801dd16c5781023add52;hb=61ae056bd;hp=9a540f6b78c5b4f3d955ddb8ad16fc201c020bf4;hpb=c3ddea8fa9b959956fd8df66c8d3c4dbe99e0a77;p=vpp.git diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c index 9a540f6b78c..65d2f08ddca 100644 --- a/src/vnet/session/application.c +++ b/src/vnet/session/application.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 Cisco and/or its affiliates. + * Copyright (c) 2017-2019 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -16,36 +16,316 @@ #include #include #include +#include #include -/** - * Pool from which we allocate all applications - */ -static application_t *app_pool; +static app_main_t app_main; -/** - * Hash table of apps by api client index - */ -static uword *app_by_api_client_index; +#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; \ + } -/** - * Default application event queue size - */ -static u32 default_app_evt_queue_size = 128; +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; + 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; +} -static u8 * -app_get_name_from_reg_index (application_t * app) +app_listener_t * +app_listener_get (application_t * app, u32 app_listener_index) { - u8 *app_name; + return pool_elt_at_index (app->listeners, app_listener_index); +} - vl_api_registration_t *regp; - regp = vl_api_client_index_to_registration (app->api_client_index); - if (!regp) - app_name = format (0, "builtin-%d%c", app->index, 0); - else - app_name = format (0, "%s%c", regp->name, 0); +static void +app_listener_free (application_t * app, app_listener_t * app_listener) +{ + clib_bitmap_free (app_listener->workers); + if (CLIB_DEBUG) + clib_memset (app_listener, 0xfa, sizeof (*app_listener)); + pool_put (app->listeners, app_listener); +} + +session_handle_t +app_listener_handle (app_listener_t * al) +{ + return al->ls_handle; +} + +app_listener_t * +app_listener_get_w_session (session_t * ls) +{ + application_t *app; + + app = application_get_if_valid (ls->app_index); + if (!app) + return 0; + return app_listener_get (app, ls->al_index); +} + +session_handle_t +app_listen_session_handle (session_t * ls) +{ + app_listener_t *al; + al = app_listener_get_w_session (ls); + if (!al) + return listen_session_get_handle (ls); + 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_w_session (ls); +} + +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; + + 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_w_session (ls); + } + } + + 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_w_session ((session_t *) ls); + } + + return 0; +} + +int +app_listener_alloc_and_init (application_t * app, + session_endpoint_cfg_t * sep, + app_listener_t ** listener) +{ + app_listener_t *app_listener; + 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_index = app->app_index; + 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); + return rv; + } + + ls = session_get_from_handle (lh); + app_listener = app_listener_get (app, 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_index = app->app_index; + 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); + return rv; + } + ls = listen_session_get_from_handle (lh); + app_listener = app_listener_get (app, 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); + table_index = session_lookup_get_index_for_fib (fib_proto, + sep->fib_index); + ASSERT (table_index != SESSION_TABLE_INVALID_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 (application_t * app, app_listener_t * al) +{ + 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); +} + +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); +} - return app_name; +static const u8 * +app_get_name (application_t * app) +{ + return app->name; } u32 @@ -73,145 +353,90 @@ application_local_session_table (application_t * app) return app_ns->local_table_index; } -int -application_api_queue_is_full (application_t * app) -{ - unix_shared_memory_queue_t *q; - - /* builtin servers are always OK */ - if (app->api_client_index == ~0) - return 0; - - q = vl_api_client_index_to_input_queue (app->api_client_index); - if (!q) - return 1; - - if (q->cursize == q->maxsize) - return 1; - return 0; -} - /** - * Returns app name - * - * Since the name is not stored per app, we generate it on the fly. It is - * the caller's responsibility to free the vector + * Returns app name for app-index */ -u8 * +const u8 * application_name_from_index (u32 app_index) { application_t *app = application_get (app_index); if (!app) return 0; - return app_get_name_from_reg_index (app); + return app_get_name (app); } static void -application_table_add (application_t * app) +application_api_table_add (u32 app_index, u32 api_client_index) { - hash_set (app_by_api_client_index, app->api_client_index, app->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_table_del (application_t * app) +application_api_table_del (u32 api_client_index) { - hash_unset (app_by_api_client_index, app->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_by_api_client_index, api_client_index); + p = hash_get (app_main.app_by_api_client_index, api_client_index); if (p) - return application_get (p[0]); + return application_get_if_valid (p[0]); return 0; } application_t * -application_new () +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; +} + +static application_t * +application_alloc (void) { application_t *app; - pool_get (app_pool, app); - memset (app, 0, sizeof (*app)); - app->index = application_get_index (app); - app->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX; - app->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX; - if (CLIB_DEBUG > 1) - clib_warning ("[%d] New app (%d)", getpid (), app->index); + pool_get (app_main.app_pool, app); + clib_memset (app, 0, sizeof (*app)); + app->app_index = app - app_main.app_pool; return app; } -void -application_del (application_t * app) +application_t * +application_get (u32 app_index) { - segment_manager_properties_t *props; - vnet_unbind_args_t _a, *a = &_a; - segment_manager_t *sm; - u64 handle, *handles = 0; - u32 index; - int i; - - /* - * The app event queue allocated in first segment is cleared with - * the segment manager. No need to explicitly free it. - */ - if (CLIB_DEBUG > 1) - clib_warning ("[%d] Delete app (%d)", getpid (), app->index); - - if (application_is_proxy (app)) - application_remove_proxy (app); - - /* - * Listener cleanup - */ - - /* *INDENT-OFF* */ - hash_foreach (handle, index, app->listeners_table, - ({ - vec_add1 (handles, handle); - sm = segment_manager_get (index); - sm->app_index = SEGMENT_MANAGER_INVALID_APP_INDEX; - })); - /* *INDENT-ON* */ - - for (i = 0; i < vec_len (handles); i++) - { - a->app_index = app->index; - a->handle = handles[i]; - /* seg manager is removed when unbind completes */ - vnet_unbind (a); - } - - /* - * Connects segment manager cleanup - */ + if (app_index == APP_INVALID_INDEX) + return 0; + return pool_elt_at_index (app_main.app_pool, app_index); +} - if (app->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX) - { - sm = segment_manager_get (app->connects_seg_manager); - sm->app_index = SEGMENT_MANAGER_INVALID_APP_INDEX; - segment_manager_init_del (sm); - } +application_t * +application_get_if_valid (u32 app_index) +{ + if (pool_is_free_index (app_main.app_pool, app_index)) + return 0; - /* If first segment manager is used by a listener */ - if (app->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX - && app->first_segment_manager != app->connects_seg_manager) - { - sm = segment_manager_get (app->first_segment_manager); - /* .. and has no fifos, e.g. it might be used for redirected sessions, - * remove it */ - if (!segment_manager_has_fifos (sm)) - { - sm->app_index = SEGMENT_MANAGER_INVALID_APP_INDEX; - segment_manager_del (sm); - } - } - props = segment_manager_properties_get (app->sm_properties); - segment_manager_properties_free (props); - application_table_del (app); - pool_put (app_pool, app); + return pool_elt_at_index (app_main.app_pool, app_index); } static void @@ -227,309 +452,725 @@ application_verify_cb_fns (session_cb_vft_t * cb_fns) clib_warning ("No session reset callback function provided"); } -int -application_init (application_t * app, u32 api_client_index, u64 * options, - session_cb_vft_t * cb_fns) +/** + * Check app config for given segment type + * + * Returns 1 on success and 0 otherwise + */ +static u8 +application_verify_cfg (ssvm_segment_type_t st) { - segment_manager_t *sm; - segment_manager_properties_t *props; - u32 app_evt_queue_size, first_seg_size; - u32 default_rx_fifo_size = 16 << 10, default_tx_fifo_size = 16 << 10; - int rv; + u8 is_valid; + if (st == SSVM_SEGMENT_MEMFD) + { + is_valid = (session_main_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_main_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; +} - app_evt_queue_size = options[APP_EVT_QUEUE_SIZE] > 0 ? - options[APP_EVT_QUEUE_SIZE] : default_app_evt_queue_size; +static int +application_alloc_and_init (app_init_args_t * a) +{ + ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD; + segment_manager_props_t *props; + vl_api_registration_t *reg; + application_t *app; + u64 *options; + app = application_alloc (); + options = a->options; /* - * Setup segment manager + * Make sure we support the requested configuration */ - sm = segment_manager_new (); - sm->app_index = app->index; - props = segment_manager_properties_alloc (); - app->sm_properties = segment_manager_properties_index (props); - props->add_segment_size = options[SESSION_OPTIONS_ADD_SEGMENT_SIZE]; - props->rx_fifo_size = options[SESSION_OPTIONS_RX_FIFO_SIZE]; - props->rx_fifo_size = - props->rx_fifo_size ? props->rx_fifo_size : default_rx_fifo_size; - props->tx_fifo_size = options[SESSION_OPTIONS_TX_FIFO_SIZE]; - props->tx_fifo_size = - props->tx_fifo_size ? props->tx_fifo_size : default_tx_fifo_size; - props->add_segment = props->add_segment_size != 0; - props->preallocated_fifo_pairs = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS]; - props->use_private_segment = options[APP_OPTIONS_FLAGS] - & APP_OPTIONS_FLAGS_IS_BUILTIN; - props->private_segment_count = options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT]; - props->private_segment_size = options[APP_OPTIONS_PRIVATE_SEGMENT_SIZE]; - - first_seg_size = options[SESSION_OPTIONS_SEGMENT_SIZE]; - if ((rv = segment_manager_init (sm, app->sm_properties, first_seg_size))) - return rv; - sm->first_is_protected = 1; + if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN) + { + seg_type = SSVM_SEGMENT_PRIVATE; + } + else if (!a->use_sock_api) + { + 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; + } + + if ((options[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 VNET_API_ERROR_APP_UNSUPPORTED_CFG; + } + + if (!application_verify_cfg (seg_type)) + return VNET_API_ERROR_APP_UNSUPPORTED_CFG; + + if (options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] + && options[APP_OPTIONS_PREALLOC_FIFO_HDRS]) + return VNET_API_ERROR_APP_UNSUPPORTED_CFG; + + /* Check that the obvious things are properly set up */ + application_verify_cb_fns (a->session_cb_vft); - /* - * Setup application - */ - app->first_segment_manager = segment_manager_index (sm); - app->api_client_index = api_client_index; app->flags = options[APP_OPTIONS_FLAGS]; - app->cb_fns = *cb_fns; + app->cb_fns = *a->session_cb_vft; app->ns_index = options[APP_OPTIONS_NAMESPACE]; - app->listeners_table = hash_create (0, sizeof (u64)); 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; - /* Allocate app event queue in the first shared-memory segment */ - app->event_queue = segment_manager_alloc_queue (sm, app_evt_queue_size); - - /* Check that the obvious things are properly set up */ - application_verify_cb_fns (cb_fns); + props = application_segment_manager_properties (app); + segment_manager_props_init (props); + props->segment_size = options[APP_OPTIONS_SEGMENT_SIZE]; + props->prealloc_fifos = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS]; + props->prealloc_fifo_hdrs = options[APP_OPTIONS_PREALLOC_FIFO_HDRS]; + 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]; + if (options[APP_OPTIONS_MAX_FIFO_SIZE]) + props->max_fifo_size = options[APP_OPTIONS_MAX_FIFO_SIZE]; + if (options[APP_OPTIONS_HIGH_WATERMARK]) + props->high_watermark = options[APP_OPTIONS_HIGH_WATERMARK]; + if (options[APP_OPTIONS_LOW_WATERMARK]) + props->low_watermark = options[APP_OPTIONS_LOW_WATERMARK]; + if (options[APP_OPTIONS_PCT_FIRST_ALLOC]) + props->pct_first_alloc = options[APP_OPTIONS_PCT_FIRST_ALLOC]; + props->segment_type = seg_type; /* Add app to lookup by api_client_index table */ - application_table_add (app); + if (!application_is_builtin (app)) + application_api_table_add (app->app_index, a->api_client_index); + else + application_name_table_add (app); + + a->app_index = app->app_index; + + APP_DBG ("New app name: %v api index: %u index %u", app->name, + a->api_client_index, app->app_index); return 0; } -application_t * -application_get (u32 index) +static void +application_free (application_t * app) { - if (index == APP_INVALID_INDEX) - return 0; - return pool_elt_at_index (app_pool, index); + 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 + */ + + /* *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); + + /* + * Cleanup remaining state + */ + if (application_is_builtin (app)) + application_name_table_del (app); + vec_free (app->name); + pool_put (app_main.app_pool, app); } -application_t * -application_get_if_valid (u32 index) +static void +application_detach_process (application_t * app, u32 api_client_index) { - if (pool_is_free_index (app_pool, 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); + + /* *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); +} - return pool_elt_at_index (app_pool, index); +app_worker_t * +application_get_default_worker (application_t * app) +{ + return application_get_worker (app, 0); } u32 -application_get_index (application_t * app) +application_n_workers (application_t * app) { - return app - app_pool; + return pool_elts (app->worker_maps); } -static segment_manager_t * -application_alloc_segment_manager (application_t * app) +app_worker_t * +application_listener_select_worker (session_t * ls) { - segment_manager_t *sm = 0; + application_t *app; + app_listener_t *al; - /* If the first segment manager is not in use, don't allocate a new one */ - if (app->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX - && app->first_segment_manager_in_use == 0) + app = application_get (ls->app_index); + al = app_listener_get (app, ls->al_index); + return app_listener_select_worker (app, al); +} + +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 (sm))) + { + 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); + + *wrk = app_wrk; + + return 0; +} + +int +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 VNET_API_ERROR_INVALID_VALUE; + + 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->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 VNET_API_ERROR_INVALID_VALUE; + + app_wrk = app_worker_get (wrk_map->wrk_index); + if (!app_wrk) + return VNET_API_ERROR_INVALID_VALUE; + + 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; +} + +static int +app_validate_namespace (u8 * namespace_id, u64 secret, u32 * app_ns_index) +{ + app_namespace_t *app_ns; + if (vec_len (namespace_id) == 0) { - sm = segment_manager_get (app->first_segment_manager); - app->first_segment_manager_in_use = 1; - return sm; + /* Use default namespace */ + *app_ns_index = 0; + return 0; } - sm = segment_manager_new (); - sm->properties_index = app->sm_properties; + *app_ns_index = app_namespace_index_from_id (namespace_id); + if (*app_ns_index == APP_NAMESPACE_INVALID_INDEX) + return VNET_API_ERROR_APP_INVALID_NS; + app_ns = app_namespace_get (*app_ns_index); + if (!app_ns) + return VNET_API_ERROR_APP_INVALID_NS; + if (app_ns->ns_secret != secret) + return VNET_API_ERROR_APP_WRONG_NS_SECRET; + return 0; +} + +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); - return sm; + clib_warning ("api client index %u does not have an api registration!", + api_client_index); + return format (0, "unknown"); } /** - * Start listening local transport endpoint for requested transport. + * Attach application to vpp * - * 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. + * Allocates a vpp app, i.e., a structure that keeps back pointers + * to external app and a segment manager for shared memory fifo based + * communication with the external app. */ int -application_start_listen (application_t * srv, session_endpoint_t * sep, - u64 * res) +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; - stream_session_t *s; - u64 handle; - session_type_t sst; + u32 app_ns_index = 0; + u8 *app_name = 0; + u64 secret; + int rv; - sst = session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4); - s = listen_session_new (sst); - s->app_index = srv->index; + if (a->api_client_index != APP_INVALID_INDEX) + app = application_lookup (a->api_client_index); + else if (a->name) + app = application_lookup_name (a->name); + else + return VNET_API_ERROR_INVALID_VALUE; - if (stream_session_listen (s, sep)) - goto err; + if (app) + return VNET_API_ERROR_APP_ALREADY_ATTACHED; - /* Allocate segment manager. All sessions derived out of a listen session - * have fifos allocated by the same segment manager. */ - sm = application_alloc_segment_manager (srv); - if (sm == 0) - goto err; + /* 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; + } - /* Add to app's listener table. Useful to find all child listeners - * when app goes down, although, just for unbinding this is not needed */ - handle = listen_session_get_handle (s); - hash_set (srv->listeners_table, handle, segment_manager_index (sm)); + 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; + } - *res = handle; - return 0; + if ((rv = application_alloc_and_init ((app_init_args_t *) a))) + return rv; + + app = application_get (a->app_index); + if ((rv = application_alloc_worker_and_init (app, &app_wrk))) + return rv; + + a->app_evt_q = app_wrk->event_queue; + app_wrk->api_client_index = a->api_client_index; + sm = segment_manager_get (app_wrk->first_segment_manager); + fs = segment_manager_get_segment_w_lock (sm, 0); -err: - listen_session_del (s); - return -1; + if (application_is_proxy (app)) + application_setup_proxy (app); + + ASSERT (vec_len (fs->ssvm.name) <= 128); + a->segment = &fs->ssvm; + a->segment_handle = segment_manager_segment_handle (sm, fs); + + segment_manager_segment_reader_unlock (sm); + vec_free (app_name); + return 0; } /** - * Stop listening on session associated to handle + * Detach application from vpp */ int -application_stop_listen (application_t * srv, u64 handle) +vnet_application_detach (vnet_app_detach_args_t * a) { - stream_session_t *listener; - uword *indexp; - segment_manager_t *sm; + application_t *app; - if (srv && hash_get (srv->listeners_table, handle) == 0) + app = application_get_if_valid (a->app_index); + if (!app) { - clib_warning ("app doesn't own handle %llu!", handle); - return -1; + clib_warning ("app not attached"); + return VNET_API_ERROR_APPLICATION_NOT_ATTACHED; } - listener = listen_session_get_from_handle (handle); - stream_session_stop_listen (listener); + app_interface_check_thread_and_barrier (vnet_application_detach, a); + application_detach_process (app, a->api_client_index); + return 0; +} - indexp = hash_get (srv->listeners_table, handle); - ASSERT (indexp); - sm = segment_manager_get (*indexp); - if (srv->first_segment_manager == *indexp) +static u8 +session_endpoint_in_ns (session_endpoint_t * sep) +{ + u8 is_lep = session_endpoint_is_local (sep); + if (!is_lep && sep->sw_if_index != ENDPOINT_INVALID_INDEX + && !ip_interface_has_address (sep->sw_if_index, &sep->ip, sep->is_ip4)) { - /* Delete sessions but don't remove segment manager */ - srv->first_segment_manager_in_use = 0; - segment_manager_del_sessions (sm); + 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) { - segment_manager_init_del (sm); + sep->sw_if_index = app_ns->sw_if_index; } - hash_unset (srv->listeners_table, handle); - listen_session_del (listener); + 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"); - return 0; + sep->peer.sw_if_index = app_ns->sw_if_index; + } } int -application_open_session (application_t * app, session_endpoint_t * sep, - u32 api_context) +vnet_listen (vnet_listen_args_t * a) { - segment_manager_t *sm; + app_listener_t *app_listener; + app_worker_t *app_wrk; + application_t *app; int rv; - /* Make sure we have a segment manager for connects */ - if (app->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX) + 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)) + 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) { - sm = application_alloc_segment_manager (app); - if (sm == 0) - return -1; - app->connects_seg_manager = segment_manager_index (sm); + 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; } - if ((rv = session_open (app->index, sep, api_context))) + /* + * 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; } -segment_manager_t * -application_get_connect_segment_manager (application_t * app) +int +vnet_connect (vnet_connect_args_t * a) { - ASSERT (app->connects_seg_manager != (u32) ~ 0); - return segment_manager_get (app->connects_seg_manager); -} + app_worker_t *client_wrk; + application_t *client; -segment_manager_t * -application_get_listen_segment_manager (application_t * app, - stream_session_t * s) -{ - uword *smp; - smp = hash_get (app->listeners_table, listen_session_get_handle (s)); - ASSERT (smp != 0); - return segment_manager_get (*smp); -} + ASSERT (vlib_thread_is_main_w_barrier ()); -int -application_is_proxy (application_t * app) -{ - return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY); + 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); + + /* + * 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)) + { + int 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, a->api_context); + if (rv <= 0) + return rv; + a->sep_ext.transport_proto = a->sep_ext.original_tp; + } + /* + * Not connecting to a local server, propagate to transport + */ + return app_worker_connect_session (client_wrk, &a->sep, a->api_context); } int -application_is_builtin (application_t * app) +vnet_unlisten (vnet_unlisten_args_t * a) { - return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN); + 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); } int -application_is_builtin_proxy (application_t * app) +vnet_disconnect_session (vnet_disconnect_args_t * a) { - return (application_is_proxy (app) && application_is_builtin (app)); + 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_add_segment_notify (u32 app_index, u32 fifo_segment_index) +application_change_listener_owner (session_t * s, app_worker_t * app_wrk) { - application_t *app = application_get (app_index); - u32 seg_size = 0; - u8 *seg_name; + app_worker_t *old_wrk = app_worker_get (s->app_wrk_index); + app_listener_t *app_listener; + application_t *app; + int rv; - /* Send an API message to the external app, to map new segment */ - ASSERT (app->cb_fns.add_segment_callback); + if (!old_wrk) + return SESSION_E_INVALID_APPWRK; - segment_manager_get_segment_info (fifo_segment_index, &seg_name, &seg_size); - return app->cb_fns.add_segment_callback (app->api_client_index, seg_name, - seg_size); -} + 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); -u8 -application_has_local_scope (application_t * app) -{ - return app->flags & APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; + app = application_get (old_wrk->app_index); + if (!app) + return SESSION_E_NOAPP; + + app_listener = app_listener_get (app, s->al_index); + + /* Only remove from lb for now */ + app_listener->workers = clib_bitmap_set (app_listener->workers, + old_wrk->wrk_map_index, 0); + + if ((rv = app_worker_start_listen (app_wrk, app_listener))) + return rv; + + s->app_wrk_index = app_wrk->wrk_index; + + return 0; } -u8 -application_has_global_scope (application_t * app) +int +application_is_proxy (application_t * app) { - return app->flags & APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; + return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY); } -u32 -application_n_listeners (application_t * app) +int +application_is_builtin (application_t * app) { - return hash_elts (app->listeners_table); + return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN); } -stream_session_t * -application_first_listener (application_t * app, u8 fib_proto, - u8 transport_proto) +int +application_is_builtin_proxy (application_t * app) { - 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); + return (application_is_proxy (app) && application_is_builtin (app)); +} - /* *INDENT-OFF* */ - hash_foreach (handle, sm_index, app->listeners_table, ({ - listener = listen_session_get_from_handle (handle); - if (listener->session_type == sst - && listener->listener_index != SESSION_PROXY_LISTENER_INDEX) - return listener; - })); - /* *INDENT-ON* */ +u8 +application_has_local_scope (application_t * app) +{ + return app->flags & APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE; +} - return 0; +u8 +application_has_global_scope (application_t * app) +{ + return app->flags & APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; } static clib_error_t * @@ -538,25 +1179,43 @@ application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto, { app_namespace_t *app_ns = app_namespace_get (app->ns_index); u8 is_ip4 = (fib_proto == FIB_PROTOCOL_IP4); - session_endpoint_t sep = SESSION_ENDPOINT_NULL; + session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL; transport_connection_t *tc; - stream_session_t *s; - u64 handle; + 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) { - 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; - application_start_listen (app, &sep, &handle); - s = listen_session_get_from_handle (handle); - s->listener_index = SESSION_PROXY_LISTENER_INDEX; + 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 = application_first_listener (app, fib_proto, transport_proto); + 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)) @@ -567,30 +1226,51 @@ application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto, sep.transport_proto = transport_proto; sep.port = 0; sti = session_lookup_get_index_for_fib (fib_proto, sep.fib_index); - session_lookup_add_session_endpoint (sti, &sep, s->session_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; } -void -application_start_stop_proxy (application_t * app, u8 transport_proto, - u8 is_start) +static void +application_start_stop_proxy_local_scope (application_t * app, + u8 transport_proto, u8 is_start) { - if (application_has_local_scope (app)) + 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_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; session_lookup_add_session_endpoint (app_ns->local_table_index, &sep, - app->index); - + app->app_index); sep.is_ip4 = 0; session_lookup_add_session_endpoint (app_ns->local_table_index, &sep, - app->index); + 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)) { @@ -605,125 +1285,178 @@ void application_setup_proxy (application_t * app) { u16 transports = app->proxied_transports; + transport_proto_t tp; + ASSERT (application_is_proxy (app)); - if (application_is_builtin (app)) - return; - if (transports & (1 << TRANSPORT_PROTO_TCP)) - application_start_stop_proxy (app, TRANSPORT_PROTO_TCP, 1); - if (transports & (1 << TRANSPORT_PROTO_UDP)) - application_start_stop_proxy (app, TRANSPORT_PROTO_UDP, 1); + + /* *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)); - if (transports & (1 << TRANSPORT_PROTO_TCP)) - application_start_stop_proxy (app, TRANSPORT_PROTO_TCP, 0); - if (transports & (1 << TRANSPORT_PROTO_UDP)) - application_start_stop_proxy (app, TRANSPORT_PROTO_UDP, 0); + + /* *INDENT-OFF* */ + transport_proto_foreach (tp, ({ + if (transports & (1 << tp)) + application_start_stop_proxy (app, tp, 0); + })); + /* *INDENT-ON* */ } -u8 * -format_application_listener (u8 * s, va_list * args) +segment_manager_props_t * +application_segment_manager_properties (application_t * app) { - application_t *app = va_arg (*args, application_t *); - u64 handle = va_arg (*args, u64); - u32 index = va_arg (*args, u32); - int verbose = va_arg (*args, int); - stream_session_t *listener; - u8 *app_name, *str; + return &app->sm_properties; +} - if (app == 0) - { - if (verbose) - s = format (s, "%-40s%-20s%-15s%-15s%-10s", "Connection", "App", - "API Client", "ListenerID", "SegManager"); - else - s = format (s, "%-40s%-20s", "Connection", "App"); +segment_manager_props_t * +application_get_segment_manager_properties (u32 app_index) +{ + application_t *app = application_get (app_index); + return &app->sm_properties; +} - return s; - } +clib_error_t * +vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a) +{ + /* Deprected, will be remove after 20.01 */ + app_cert_key_pair_t *ckpair; + ckpair = app_cert_key_pair_get_default (); + ckpair->cert = vec_dup (a->cert); + return 0; +} + +clib_error_t * +vnet_app_add_tls_key (vnet_app_add_tls_key_args_t * a) +{ + /* Deprected, will be remove after 20.01 */ + app_cert_key_pair_t *ckpair; + ckpair = app_cert_key_pair_get_default (); + ckpair->key = vec_dup (a->key); + return 0; +} - app_name = app_get_name_from_reg_index (app); - listener = listen_session_get_from_handle (handle); - str = format (0, "%U", format_stream_session, listener, verbose); +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 (verbose) + if (!app) { - s = format (s, "%-40s%-20s%-15u%-15u%-10u", str, app_name, - app->api_client_index, handle, index); + vlib_cli_output (vm, "%U", format_app_worker_listener, 0 /* header */ , + 0, 0, verbose); + return; } - else - s = format (s, "%-40s%-20s", str, app_name); - vec_free (app_name); - return s; + /* *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* */ } -void +static void application_format_connects (application_t * app, int verbose) { - vlib_main_t *vm = vlib_get_main (); - segment_manager_t *sm; - u8 *app_name, *s = 0; - int j; + app_worker_map_t *wrk_map; + app_worker_t *app_wrk; - /* Header */ - if (app == 0) + if (!app) { - if (verbose) - vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App", - "API Client", "SegManager"); - else - vlib_cli_output (vm, "%-40s%-20s", "Connection", "App"); + app_worker_format_connects (0, verbose); return; } - /* make sure */ - if (app->connects_seg_manager == (u32) ~ 0) - 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* */ +} - app_name = app_get_name_from_reg_index (app); +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; +} - /* Across all fifo segments */ - sm = segment_manager_get (app->connects_seg_manager); - for (j = 0; j < vec_len (sm->segment_indices); j++) +u8 * +format_crypto_engine (u8 * s, va_list * args) +{ + u32 engine = va_arg (*args, u32); + switch (engine) { - svm_fifo_segment_private_t *fifo_segment; - svm_fifo_t *fifo; - u8 *str; - - fifo_segment = svm_fifo_segment_get_segment (sm->segment_indices[j]); - fifo = svm_fifo_segment_get_fifo_list (fifo_segment); - while (fifo) - { - u32 session_index, thread_index; - stream_session_t *session; - - session_index = fifo->master_session_index; - thread_index = fifo->master_thread_index; - - session = session_get (session_index, thread_index); - str = format (0, "%U", format_stream_session, session, verbose); - - if (verbose) - s = format (s, "%-40s%-20s%-15u%-10u", str, app_name, - app->api_client_index, app->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); + 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; +} - vec_free (app_name); +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 * @@ -731,45 +1464,144 @@ 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; - u8 *app_name; + 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%-15s%-15s%-15s%-15s%-15s", "Index", "Name", - "API Client", "Namespace", "Add seg size", "Rx fifo size", - "Tx fifo size"); - else - s = - format (s, "%-10s%-20s%-15s%-40s", "Index", "Name", "API Client", - "Namespace"); + if (!verbose) + s = format (s, "%-10s%-20s%-40s", "Index", "Name", "Namespace"); return s; } - app_name = app_get_name_from_reg_index (app); + app_name = app_get_name (app); app_ns_name = app_namespace_id_from_index (app->ns_index); - props = segment_manager_properties_get (app->sm_properties); - if (verbose) - s = - format (s, "%-10d%-20s%-15d%-15d%-15d%-15d%-15d", app->index, app_name, - app->api_client_index, app->ns_index, - props->add_segment_size, - props->rx_fifo_size, props->tx_fifo_size); - else - s = format (s, "%-10d%-20s%-15d%-40s", app->index, app_name, - app->api_client_index, app_ns_name); + 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); + + /* *INDENT-OFF* */ + pool_foreach (wrk_map, app->worker_maps, ({ + app_wrk = app_worker_get (wrk_map->wrk_index); + s = format (s, "%U", format_app_worker, app_wrk); + })); + /* *INDENT-ON* */ + return s; } +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); + + /* *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 verbose) +{ + application_t *app; + + if (!pool_elts (app_main.app_pool)) + { + vlib_cli_output (vm, "No active apps"); + return; + } + + 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_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 (); + + /* *INDENT-OFF* */ + pool_foreach (ckpair, app_main.cert_key_pair_store, ({ + vlib_cli_output (vm, "%U", format_cert_key_pair, ckpair); + })); + /* *INDENT-ON* */ + 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; + /* *INDENT-OFF* */ + 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); + })); + /* *INDENT-ON* */ +} + +static clib_error_t * +appliction_format_all_app_mq (vlib_main_t * vm) +{ + application_t *app; + int i, n_threads; + + n_threads = vec_len (vlib_mains); + + 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)); + } + + /* *INDENT-OFF* */ + pool_foreach (app, app_main.app_pool, ({ + appliction_format_app_mq (vm, app); + })); + /* *INDENT-ON* */ + 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; application_t *app; - int do_server = 0; - int do_client = 0; + u32 app_index = ~0; int verbose = 0; session_cli_return_if_not_enabled (); @@ -780,65 +1612,62 @@ show_app_command_fn (vlib_main_t * vm, unformat_input_t * input, do_server = 1; else if (unformat (input, "client")) do_client = 1; + else if (unformat (input, "mq")) + do_mq = 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_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) { - u64 handle; - u32 index; - if (pool_elts (app_pool)) - { - vlib_cli_output (vm, "%U", format_application_listener, - 0 /* header */ , 0, 0, - verbose); - /* *INDENT-OFF* */ - pool_foreach (app, app_pool, - ({ - /* App's listener sessions */ - if (hash_elts (app->listeners_table) == 0) - continue; - hash_foreach (handle, index, app->listeners_table, - ({ - vlib_cli_output (vm, "%U", format_application_listener, app, - handle, index, verbose); - })); - })); - /* *INDENT-ON* */ - } - else - vlib_cli_output (vm, "No active server bindings"); + application_format_all_listeners (vm, verbose); + return 0; } if (do_client) { - if (pool_elts (app_pool)) - { - application_format_connects (0, verbose); - - /* *INDENT-OFF* */ - pool_foreach (app, app_pool, - ({ - if (app->connects_seg_manager == (u32)~0) - continue; - application_format_connects (app, verbose); - })); - /* *INDENT-ON* */ - } - else - vlib_cli_output (vm, "No active client bindings"); + 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, verbose); + vlib_cli_output (vm, "%U", format_application, 0, 0); /* *INDENT-OFF* */ - pool_foreach (app, app_pool, ({ - vlib_cli_output (vm, "%U", format_application, app, verbose); + pool_foreach (app, app_main.app_pool, ({ + vlib_cli_output (vm, "%U", format_application, app, 0); })); /* *INDENT-ON* */ } @@ -846,15 +1675,123 @@ show_app_command_fn (vlib_main_t * vm, unformat_input_t * input, 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 (); + ckpair->cert = vec_dup (a->cert); + ckpair->key = vec_dup (a->key); + 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 (VNET_API_ERROR_INVALID_VALUE); + + 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) +{ + /* Add a certificate with index 0 to support legacy apis */ + (void) app_cert_key_pair_alloc (); + app_main.last_crypto_engine = CRYPTO_ENGINE_LAST; + app_main.app_by_name = hash_create_vec (0, sizeof (u8), sizeof (uword)); + return 0; +} + /* *INDENT-OFF* */ +VLIB_INIT_FUNCTION (application_init); + VLIB_CLI_COMMAND (show_app_command, static) = { .path = "show app", - .short_help = "show app [server|client] [verbose]", + .short_help = "show app [app_id] [server|client] [mq] [verbose]", .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, +}; /* *INDENT-ON* */ +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 *