X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fapplication.c;h=1ad94cc27783a0c332c4a76f87b15f0d076d8c11;hb=1553197f;hp=076c66f1fff7855ac595d8503027400db0874a20;hpb=503766955cbadbeb0962ee602dca0b2159973b0a;p=vpp.git diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c index 076c66f1fff..1ad94cc2778 100644 --- a/src/vnet/session/application.c +++ b/src/vnet/session/application.c @@ -15,27 +15,90 @@ #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; +static app_worker_map_t * +app_worker_map_alloc (application_t * app) +{ + app_worker_map_t *map; + pool_get (app->worker_maps, map); + memset (map, 0, sizeof (*map)); + return map; +} -/** - * Default application event queue size - */ -static u32 default_app_evt_queue_size = 128; +static u32 +app_worker_map_index (application_t * app, app_worker_map_t * map) +{ + return (map - app->worker_maps); +} + +static void +app_worker_map_free (application_t * app, app_worker_map_t * map) +{ + pool_put (app->worker_maps, map); +} + +static app_worker_map_t * +app_worker_map_get (application_t * app, u32 map_index) +{ + return pool_elt_at_index (app->worker_maps, map_index); +} + +static u8 * +app_get_name_from_reg_index (application_t * app) +{ + u8 *app_name; + + vl_api_registration_t *regp; + regp = vl_api_client_index_to_registration (app->api_client_index); + if (!regp) + app_name = format (0, "builtin-%d%c", app->app_index, 0); + else + app_name = format (0, "%s%c", regp->name, 0); + + return app_name; +} + +static u8 * +app_get_name (application_t * app) +{ + if (!app->name) + return app_get_name_from_reg_index (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; +} int application_api_queue_is_full (application_t * app) { - unix_shared_memory_queue_t *q; + svm_queue_t *q; /* builtin servers are always OK */ if (app->api_client_index == ~0) @@ -50,23 +113,56 @@ application_api_queue_is_full (application_t * app) 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 + */ +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); +} + static void application_table_add (application_t * app) { - hash_set (app_by_api_client_index, app->api_client_index, app->index); + if (app->api_client_index != APP_INVALID_INDEX) + hash_set (app_main.app_by_api_client_index, app->api_client_index, + app->app_index); + else if (app->name) + hash_set_mem (app_main.app_by_name, app->name, app->app_index); } static void application_table_del (application_t * app) { - hash_unset (app_by_api_client_index, app->api_client_index); + if (app->api_client_index != APP_INVALID_INDEX) + hash_unset (app_main.app_by_api_client_index, app->api_client_index); + else if (app->name) + hash_unset_mem (app_main.app_by_name, app->name); } 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 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]); @@ -74,166 +170,369 @@ application_lookup (u32 api_client_index) } application_t * -application_new () +application_alloc (void) { application_t *app; - pool_get (app_pool, app); + pool_get (app_main.app_pool, app); memset (app, 0, sizeof (*app)); - app->index = application_get_index (app); - app->connects_seg_manager = ~0; - app->first_segment_manager = ~0; - if (CLIB_DEBUG > 1) - clib_warning ("[%d] New app (%d)", getpid (), app->index); + 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); +} + +u32 +application_index (application_t * app) +{ + return app - app_main.app_pool; +} + +static void +application_verify_cb_fns (session_cb_vft_t * cb_fns) +{ + if (cb_fns->session_accept_callback == 0) + clib_warning ("No accept callback function provided"); + if (cb_fns->session_connected_callback == 0) + clib_warning ("No session connected callback function provided"); + if (cb_fns->session_disconnect_callback == 0) + clib_warning ("No session disconnect callback function provided"); + if (cb_fns->session_reset_callback == 0) + clib_warning ("No session reset callback function provided"); +} + +/** + * Check app config for given segment type + * + * Returns 1 on success and 0 otherwise + */ +static u8 +application_verify_cfg (ssvm_segment_type_t st) +{ + u8 is_valid; + if (st == SSVM_SEGMENT_MEMFD) + { + is_valid = (session_manager_get_evt_q_segment () != 0); + if (!is_valid) + clib_warning ("memfd seg: vpp's event qs IN binary api svm region"); + return is_valid; + } + else if (st == SSVM_SEGMENT_SHM) + { + is_valid = (session_manager_get_evt_q_segment () == 0); + if (!is_valid) + clib_warning ("shm seg: vpp's event qs NOT IN binary api svm region"); + return is_valid; + } + else + return 1; +} + +int +application_alloc_and_init (app_init_args_t * a) +{ + ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD; + segment_manager_properties_t *props; + vl_api_registration_t *reg; + application_t *app; + u64 *options; + + app = application_alloc (); + options = a->options; + /* + * Make sure we support the requested configuration + */ + if (!(options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN)) + { + reg = vl_api_client_index_to_registration (a->api_client_index); + if (!reg) + return VNET_API_ERROR_APP_UNSUPPORTED_CFG; + if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI) + seg_type = SSVM_SEGMENT_SHM; + } + else + { + if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD) + { + clib_warning ("mq eventfds can only be used if socket transport is " + "used for api"); + return VNET_API_ERROR_APP_UNSUPPORTED_CFG; + } + seg_type = SSVM_SEGMENT_PRIVATE; + } + + if (!application_verify_cfg (seg_type)) + return VNET_API_ERROR_APP_UNSUPPORTED_CFG; + + /* Check that the obvious things are properly set up */ + application_verify_cb_fns (a->session_cb_vft); + + app->api_client_index = a->api_client_index; + app->flags = options[APP_OPTIONS_FLAGS]; + app->cb_fns = *a->session_cb_vft; + app->ns_index = options[APP_OPTIONS_NAMESPACE]; + app->proxied_transports = options[APP_OPTIONS_PROXY_TRANSPORT]; + app->name = vec_dup (a->name); + + /* If no scope enabled, default to global */ + if (!application_has_global_scope (app) + && !application_has_local_scope (app)) + app->flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE; + + props = application_segment_manager_properties (app); + segment_manager_properties_init (props); + props->segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE]; + props->prealloc_fifos = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS]; + if (options[APP_OPTIONS_ADD_SEGMENT_SIZE]) + { + props->add_segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE]; + props->add_segment = 1; + } + if (options[APP_OPTIONS_RX_FIFO_SIZE]) + props->rx_fifo_size = options[APP_OPTIONS_RX_FIFO_SIZE]; + if (options[APP_OPTIONS_TX_FIFO_SIZE]) + props->tx_fifo_size = options[APP_OPTIONS_TX_FIFO_SIZE]; + if (options[APP_OPTIONS_EVT_QUEUE_SIZE]) + props->evt_q_size = options[APP_OPTIONS_EVT_QUEUE_SIZE]; + if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD) + props->use_mq_eventfd = 1; + if (options[APP_OPTIONS_TLS_ENGINE]) + app->tls_engine = options[APP_OPTIONS_TLS_ENGINE]; + props->segment_type = seg_type; + + /* Add app to lookup by api_client_index table */ + application_table_add (app); + a->app_index = application_index (app); + + APP_DBG ("New app name: %v api index: %u index %u", app->name, + app->api_client_index, app->app_index); + + return 0; +} + void -application_del (application_t * app) +application_free (application_t * app) { - segment_manager_t *sm; - u64 handle; - u32 index, *handles = 0; - int i; - vnet_unbind_args_t _a, *a = &_a; + 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. */ - if (CLIB_DEBUG > 1) - clib_warning ("[%d] Delete app (%d)", getpid (), app->index); + APP_DBG ("Delete app name %v api index: %d index: %d", app->name, + app->api_client_index, app->app_index); + + if (application_is_proxy (app)) + application_remove_proxy (app); + + /* *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); + + application_table_del (app); + vec_free (app->name); + vec_free (app->tls_cert); + vec_free (app->tls_key); + pool_put (app_main.app_pool, app); +} + +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); +} + +app_worker_t * +app_worker_alloc (application_t * app) +{ + app_worker_t *app_wrk; + pool_get (app_main.workers, app_wrk); + memset (app_wrk, 0, sizeof (*app_wrk)); + app_wrk->wrk_index = app_wrk - app_main.workers; + app_wrk->app_index = app->app_index; + app_wrk->wrk_map_index = ~0; + app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX; + app_wrk->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX; + app_wrk->local_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX; + APP_DBG ("New app %v worker %u", app_get_name (app), app_wrk->wrk_index); + return app_wrk; +} + +app_worker_t * +app_worker_get (u32 wrk_index) +{ + return pool_elt_at_index (app_main.workers, wrk_index); +} + +app_worker_t * +app_worker_get_if_valid (u32 wrk_index) +{ + if (pool_is_free_index (app_main.workers, wrk_index)) + return 0; + return pool_elt_at_index (app_main.workers, wrk_index); +} + +void +app_worker_free (app_worker_t * app_wrk) +{ + application_t *app = application_get (app_wrk->app_index); + vnet_unbind_args_t _a, *a = &_a; + u64 handle, *handles = 0; + segment_manager_t *sm; + u32 sm_index; + int i; /* - * Cleanup segment managers + * Listener cleanup */ - if ((app->connects_seg_manager != (u32) ~ 0) && - (app->connects_seg_manager != app->first_segment_manager)) - { - sm = segment_manager_get (app->connects_seg_manager); - segment_manager_del (sm); - } /* *INDENT-OFF* */ - hash_foreach (handle, index, app->listeners_table, + hash_foreach (handle, sm_index, app_wrk->listeners_table, ({ vec_add1 (handles, handle); + sm = segment_manager_get (sm_index); + sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX; })); /* *INDENT-ON* */ - /* Actual listener cleanup */ for (i = 0; i < vec_len (handles); i++) { - a->app_index = app->index; + a->app_index = app->app_index; + a->app_wrk_index = app_wrk->wrk_map_index; a->handle = handles[i]; /* seg manager is removed when unbind completes */ vnet_unbind (a); } - if (app->first_segment_manager != ~0) + /* + * Connects segment manager cleanup + */ + + if (app_wrk->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX) { - sm = segment_manager_get (app->first_segment_manager); - segment_manager_first_segment_maybe_del (sm); + sm = segment_manager_get (app_wrk->connects_seg_manager); + sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX; + segment_manager_init_del (sm); } - application_table_del (app); - pool_put (app_pool, app); -} + /* If first segment manager is used by a listener */ + if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX + && app_wrk->first_segment_manager != app_wrk->connects_seg_manager) + { + sm = segment_manager_get (app_wrk->first_segment_manager); + /* .. and has no fifos, e.g. it might be used for redirected sessions, + * remove it */ + if (!segment_manager_has_fifos (sm)) + { + sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX; + segment_manager_del (sm); + } + } -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"); + /* + * Local sessions + */ + application_local_sessions_free (app_wrk); + + pool_put (app_main.workers, app_wrk); + if (CLIB_DEBUG) + memset (app_wrk, 0xfe, sizeof (*app_wrk)); } int -application_init (application_t * app, u32 api_client_index, u64 * options, - session_cb_vft_t * cb_fns) +app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk) { + app_worker_map_t *wrk_map; + app_worker_t *app_wrk; segment_manager_t *sm; - segment_manager_properties_t *props; - u32 app_evt_queue_size, first_seg_size; int rv; - app_evt_queue_size = options[APP_EVT_QUEUE_SIZE] > 0 ? - options[APP_EVT_QUEUE_SIZE] : default_app_evt_queue_size; + 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 segment manager */ + /* + * Setup first segment manager + */ sm = segment_manager_new (); - sm->app_index = app->index; - props = &app->sm_properties; - props->add_segment_size = options[SESSION_OPTIONS_ADD_SEGMENT_SIZE]; - props->rx_fifo_size = options[SESSION_OPTIONS_RX_FIFO_SIZE]; - props->tx_fifo_size = options[SESSION_OPTIONS_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_BUILTIN_APP; - 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, props, first_seg_size))) - return rv; + sm->app_wrk_index = app_wrk->wrk_index; - 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; + if ((rv = segment_manager_init (sm, app->sm_properties.segment_size, + app->sm_properties.prealloc_fifos))) + { + app_worker_free (app_wrk); + return rv; + } + sm->first_is_protected = 1; - /* Allocate app event queue in the first shared-memory segment */ - app->event_queue = segment_manager_alloc_queue (sm, app_evt_queue_size); + /* + * 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); - /* Check that the obvious things are properly set up */ - application_verify_cb_fns (cb_fns); + /* + * Segment manager for local sessions + */ + sm = segment_manager_new (); + sm->app_wrk_index = app_wrk->wrk_index; + app_wrk->local_segment_manager = segment_manager_index (sm); + app_wrk->local_connects = hash_create (0, sizeof (u64)); - /* Add app to lookup by api_client_index table */ - application_table_add (app); + *wrk = app_wrk; return 0; } -application_t * -application_get (u32 index) -{ - return pool_elt_at_index (app_pool, index); -} - -application_t * -application_get_if_valid (u32 index) -{ - if (pool_is_free_index (app_pool, index)) - return 0; - - return pool_elt_at_index (app_pool, index); -} - -u32 -application_get_index (application_t * app) -{ - return app - app_pool; -} - static segment_manager_t * -application_alloc_segment_manager (application_t * app) +application_alloc_segment_manager (app_worker_t * app_wrk) { segment_manager_t *sm = 0; - if (app->first_segment_manager != (u32) ~ 0) + /* If the first segment manager is not in use, don't allocate a new one */ + if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX + && app_wrk->first_segment_manager_in_use == 0) { - sm = segment_manager_get (app->first_segment_manager); + sm = segment_manager_get (app_wrk->first_segment_manager); + app_wrk->first_segment_manager_in_use = 1; return sm; } sm = segment_manager_new (); - if (segment_manager_init (sm, &app->sm_properties, 0)) - return 0; + sm->app_wrk_index = app_wrk->wrk_index; + return sm; } @@ -245,29 +544,34 @@ application_alloc_segment_manager (application_t * app) * it's own specific listening connection. */ int -application_start_listen (application_t * srv, session_type_t session_type, - transport_endpoint_t * tep, u64 * res) +app_worker_start_listen (app_worker_t * app_wrk, session_endpoint_t * sep, + session_handle_t * res) { segment_manager_t *sm; stream_session_t *s; - u64 handle; - - s = listen_session_new (session_type); - s->app_index = srv->index; + session_handle_t handle; + session_type_t sst; - if (stream_session_listen (s, tep)) - goto err; + sst = session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4); + s = listen_session_new (0, sst); + s->app_wrk_index = app_wrk->wrk_index; /* 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) + if (!(sm = application_alloc_segment_manager (app_wrk))) goto err; /* 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)); + hash_set (app_wrk->listeners_table, handle, segment_manager_index (sm)); + + if (stream_session_listen (s, sep)) + { + segment_manager_del (sm); + hash_unset (app_wrk->listeners_table, handle); + goto err; + } *res = handle; return 0; @@ -279,141 +583,1128 @@ err: /** * Stop listening on session associated to handle + * + * @param handle listener handle + * @param app_index index of the app owning the handle. This is used + * only for validating ownership */ int -application_stop_listen (application_t * srv, u64 handle) +app_worker_stop_listen (session_handle_t handle, u32 app_index) { stream_session_t *listener; - uword *indexp; segment_manager_t *sm; + app_worker_t *app_wrk; + uword *indexp; - if (srv && hash_get (srv->listeners_table, handle) == 0) + listener = listen_session_get_from_handle (handle); + app_wrk = app_worker_get (listener->app_wrk_index); + if (PREDICT_FALSE (!app_wrk || app_wrk->app_index != app_index)) { clib_warning ("app doesn't own handle %llu!", handle); return -1; } + if (PREDICT_FALSE (hash_get (app_wrk->listeners_table, handle) == 0)) + { + clib_warning ("listener handle was removed %llu!", handle); + return -1; + } - listener = listen_session_get_from_handle (handle); stream_session_stop_listen (listener); - indexp = hash_get (srv->listeners_table, handle); + indexp = hash_get (app_wrk->listeners_table, handle); ASSERT (indexp); sm = segment_manager_get (*indexp); - segment_manager_del (sm); - srv->first_segment_manager = ~0; - hash_unset (srv->listeners_table, handle); + if (app_wrk->first_segment_manager == *indexp) + { + /* Delete sessions but don't remove segment manager */ + app_wrk->first_segment_manager_in_use = 0; + segment_manager_del_sessions (sm); + } + else + { + segment_manager_init_del (sm); + } + hash_unset (app_wrk->listeners_table, handle); listen_session_del (listener); return 0; } int -application_open_session (application_t * app, session_type_t sst, - transport_endpoint_t * tep, u32 api_context) +app_worker_open_session (app_worker_t * app, session_endpoint_t * sep, + u32 api_context) { - segment_manager_t *sm; - transport_connection_t *tc = 0; int rv; /* Make sure we have a segment manager for connects */ - if (app->connects_seg_manager == (u32) ~ 0) - { - sm = application_alloc_segment_manager (app); - if (sm == 0) - return -1; - app->connects_seg_manager = segment_manager_index (sm); - } + app_worker_alloc_connects_segment_manager (app); - if ((rv = stream_session_open (app->index, sst, tep, &tc))) + if ((rv = session_open (app->wrk_index, sep, api_context))) return rv; - /* Store api_context for when the reply comes. Not the nicest thing - * but better allocating a separate half-open pool. */ - tc->s_index = api_context; - return 0; } -segment_manager_t * -application_get_connect_segment_manager (application_t * app) +int +app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk) { - ASSERT (app->connects_seg_manager != (u32) ~ 0); - return segment_manager_get (app->connects_seg_manager); -} + segment_manager_t *sm; -segment_manager_t * -application_get_listen_segment_manager (application_t * app, - stream_session_t * s) + if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX) + { + sm = application_alloc_segment_manager (app_wrk); + if (sm == 0) + return -1; + app_wrk->connects_seg_manager = segment_manager_index (sm); + } + return 0; +} + +segment_manager_t * +app_worker_get_connect_segment_manager (app_worker_t * app) +{ + ASSERT (app->connects_seg_manager != (u32) ~ 0); + return segment_manager_get (app->connects_seg_manager); +} + +segment_manager_t * +app_worker_get_listen_segment_manager (app_worker_t * app, + stream_session_t * s) +{ + uword *smp; + smp = hash_get (app->listeners_table, listen_session_get_handle (s)); + ASSERT (smp != 0); + return segment_manager_get (*smp); +} + +clib_error_t * +vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a) +{ + svm_fifo_segment_private_t *fs; + app_worker_map_t *wrk_map; + app_worker_t *app_wrk; + segment_manager_t *sm; + application_t *app; + int rv; + + app = application_get (a->app_index); + if (!app) + return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0, + "App %u does not exist", a->app_index); + + if (a->is_add) + { + if ((rv = app_worker_alloc_and_init (app, &app_wrk))) + return clib_error_return_code (0, rv, 0, "app wrk init: %d", rv); + sm = segment_manager_get (app_wrk->first_segment_manager); + fs = segment_manager_get_segment_w_lock (sm, 0); + a->segment = &fs->ssvm; + segment_manager_segment_reader_unlock (sm); + a->evt_q = app_wrk->event_queue; + } + else + { + wrk_map = app_worker_map_get (app, a->wrk_index); + if (!wrk_map) + return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0, + "App %u does not have worker %u", + app->app_index, a->wrk_index); + app_wrk = app_worker_get (wrk_map->wrk_index); + app_worker_map_free (app, wrk_map); + if (!app_wrk) + return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0, + "No worker %u", a->wrk_index); + app_worker_free (app_wrk); + } + return 0; +} + +segment_manager_t * +application_get_local_segment_manager (app_worker_t * app) +{ + return segment_manager_get (app->local_segment_manager); +} + +segment_manager_t * +application_get_local_segment_manager_w_session (app_worker_t * app, + local_session_t * ls) +{ + stream_session_t *listener; + if (application_local_session_listener_has_transport (ls)) + { + listener = listen_session_get (ls->listener_index); + return app_worker_get_listen_segment_manager (app, listener); + } + return segment_manager_get (app->local_segment_manager); +} + +int +application_is_proxy (application_t * app) +{ + return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY); +} + +int +application_is_builtin (application_t * app) +{ + return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN); +} + +int +application_is_builtin_proxy (application_t * app) +{ + return (application_is_proxy (app) && application_is_builtin (app)); +} + +u8 +application_has_local_scope (application_t * app) +{ + 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; +} + +/** + * Send an API message to the external app, to map new segment + */ +int +app_worker_add_segment_notify (u32 app_wrk_index, ssvm_private_t * fs) +{ + app_worker_t *app_wrk = app_worker_get (app_wrk_index); + application_t *app = application_get (app_wrk->app_index); + return app->cb_fns.add_segment_callback (app->api_client_index, fs); +} + +u32 +application_n_listeners (app_worker_t * app) +{ + return hash_elts (app->listeners_table); +} + +stream_session_t * +app_worker_first_listener (app_worker_t * app, u8 fib_proto, + u8 transport_proto) +{ + stream_session_t *listener; + u64 handle; + u32 sm_index; + u8 sst; + + sst = session_type_from_proto_and_ip (transport_proto, + fib_proto == FIB_PROTOCOL_IP4); + + /* *INDENT-OFF* */ + hash_foreach (handle, sm_index, app->listeners_table, ({ + listener = listen_session_get_from_handle (handle); + if (listener->session_type == sst + && listener->listener_index != SESSION_PROXY_LISTENER_INDEX) + return listener; + })); + /* *INDENT-ON* */ + + return 0; +} + +u8 +app_worker_application_is_builtin (app_worker_t * app_wrk) +{ + return app_wrk->app_is_builtin; +} + +stream_session_t * +application_proxy_listener (app_worker_t * app, u8 fib_proto, + u8 transport_proto) +{ + stream_session_t *listener; + u64 handle; + u32 sm_index; + u8 sst; + + sst = session_type_from_proto_and_ip (transport_proto, + fib_proto == FIB_PROTOCOL_IP4); + + /* *INDENT-OFF* */ + hash_foreach (handle, sm_index, app->listeners_table, ({ + listener = listen_session_get_from_handle (handle); + if (listener->session_type == sst + && listener->listener_index == SESSION_PROXY_LISTENER_INDEX) + return listener; + })); + /* *INDENT-ON* */ + + return 0; +} + +static clib_error_t * +application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto, + u8 transport_proto, u8 is_start) +{ + app_namespace_t *app_ns = app_namespace_get (app->ns_index); + u8 is_ip4 = (fib_proto == FIB_PROTOCOL_IP4); + session_endpoint_t sep = SESSION_ENDPOINT_NULL; + transport_connection_t *tc; + app_worker_t *app_wrk; + stream_session_t *s; + u64 handle; + + /* TODO decide if we want proxy to be enabled for all workers */ + app_wrk = application_get_default_worker (app); + if (is_start) + { + s = app_worker_first_listener (app_wrk, fib_proto, transport_proto); + if (!s) + { + sep.is_ip4 = is_ip4; + sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto); + sep.sw_if_index = app_ns->sw_if_index; + sep.transport_proto = transport_proto; + app_worker_start_listen (app_wrk, &sep, &handle); + s = listen_session_get_from_handle (handle); + s->listener_index = SESSION_PROXY_LISTENER_INDEX; + } + } + else + { + s = application_proxy_listener (app_wrk, fib_proto, transport_proto); + ASSERT (s); + } + + tc = listen_session_get_transport (s); + + if (!ip_is_zero (&tc->lcl_ip, 1)) + { + u32 sti; + sep.is_ip4 = is_ip4; + sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto); + sep.transport_proto = transport_proto; + sep.port = 0; + sti = session_lookup_get_index_for_fib (fib_proto, sep.fib_index); + if (is_start) + session_lookup_add_session_endpoint (sti, &sep, s->session_index); + else + session_lookup_del_session_endpoint (sti, &sep); + } + + return 0; +} + +static void +application_start_stop_proxy_local_scope (application_t * app, + u8 transport_proto, u8 is_start) +{ + session_endpoint_t sep = SESSION_ENDPOINT_NULL; + app_namespace_t *app_ns; + app_ns = app_namespace_get (app->ns_index); + sep.is_ip4 = 1; + sep.transport_proto = transport_proto; + sep.port = 0; + + if (is_start) + { + session_lookup_add_session_endpoint (app_ns->local_table_index, &sep, + app->app_index); + sep.is_ip4 = 0; + session_lookup_add_session_endpoint (app_ns->local_table_index, &sep, + app->app_index); + } + else + { + session_lookup_del_session_endpoint (app_ns->local_table_index, &sep); + sep.is_ip4 = 0; + session_lookup_del_session_endpoint (app_ns->local_table_index, &sep); + } +} + +void +application_start_stop_proxy (application_t * app, + transport_proto_t transport_proto, u8 is_start) +{ + if (application_has_local_scope (app)) + application_start_stop_proxy_local_scope (app, transport_proto, is_start); + + if (application_has_global_scope (app)) + { + application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP4, + transport_proto, is_start); + application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP6, + transport_proto, is_start); + } +} + +void +application_setup_proxy (application_t * app) +{ + u16 transports = app->proxied_transports; + transport_proto_t tp; + + ASSERT (application_is_proxy (app)); + + /* *INDENT-OFF* */ + transport_proto_foreach (tp, ({ + if (transports & (1 << tp)) + application_start_stop_proxy (app, tp, 1); + })); + /* *INDENT-ON* */ +} + +void +application_remove_proxy (application_t * app) +{ + u16 transports = app->proxied_transports; + transport_proto_t tp; + + ASSERT (application_is_proxy (app)); + + /* *INDENT-OFF* */ + transport_proto_foreach (tp, ({ + if (transports & (1 << tp)) + application_start_stop_proxy (app, tp, 0); + })); + /* *INDENT-ON* */ +} + +segment_manager_properties_t * +application_segment_manager_properties (application_t * app) +{ + return &app->sm_properties; +} + +segment_manager_properties_t * +application_get_segment_manager_properties (u32 app_index) +{ + application_t *app = application_get (app_index); + return &app->sm_properties; +} + +static inline int +app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock) +{ + if (PREDICT_FALSE (svm_msg_q_is_full (mq))) + { + clib_warning ("evt q full"); + svm_msg_q_free_msg (mq, msg); + if (lock) + svm_msg_q_unlock (mq); + return -1; + } + + if (lock) + { + svm_msg_q_add_and_unlock (mq, msg); + return 0; + } + + /* Even when not locking the ring, we must wait for queue mutex */ + if (svm_msg_q_add (mq, msg, SVM_Q_WAIT)) + { + clib_warning ("msg q add returned"); + return -1; + } + return 0; +} + +static inline int +app_send_io_evt_rx (app_worker_t * app_wrk, stream_session_t * s, u8 lock) +{ + session_event_t *evt; + svm_msg_q_msg_t msg; + svm_msg_q_t *mq; + + if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY + && s->session_state != SESSION_STATE_LISTENING)) + { + /* Session is closed so app will never clean up. Flush rx fifo */ + if (s->session_state == SESSION_STATE_CLOSED) + svm_fifo_dequeue_drop_all (s->server_rx_fifo); + return 0; + } + + if (app_worker_application_is_builtin (app_wrk)) + { + application_t *app = application_get (app_wrk->app_index); + return app->cb_fns.builtin_app_rx_callback (s); + } + + if (svm_fifo_has_event (s->server_rx_fifo) + || svm_fifo_is_empty (s->server_rx_fifo)) + return 0; + + mq = app_wrk->event_queue; + if (lock) + svm_msg_q_lock (mq); + + if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING))) + { + clib_warning ("evt q rings full"); + if (lock) + svm_msg_q_unlock (mq); + return -1; + } + + msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING); + ASSERT (!svm_msg_q_msg_is_invalid (&msg)); + + evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg); + evt->fifo = s->server_rx_fifo; + evt->event_type = FIFO_EVENT_APP_RX; + + if (app_enqueue_evt (mq, &msg, lock)) + return -1; + (void) svm_fifo_set_event (s->server_rx_fifo); + return 0; +} + +static inline int +app_send_io_evt_tx (app_worker_t * app_wrk, stream_session_t * s, u8 lock) +{ + svm_msg_q_t *mq; + session_event_t *evt; + svm_msg_q_msg_t msg; + + if (app_worker_application_is_builtin (app_wrk)) + return 0; + + mq = app_wrk->event_queue; + if (lock) + svm_msg_q_lock (mq); + + if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING))) + { + clib_warning ("evt q rings full"); + if (lock) + svm_msg_q_unlock (mq); + return -1; + } + + msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING); + ASSERT (!svm_msg_q_msg_is_invalid (&msg)); + + evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg); + evt->event_type = FIFO_EVENT_APP_TX; + evt->fifo = s->server_tx_fifo; + + return app_enqueue_evt (mq, &msg, lock); +} + +/* *INDENT-OFF* */ +typedef int (app_send_evt_handler_fn) (app_worker_t *app, + stream_session_t *s, + u8 lock); +static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = { + app_send_io_evt_rx, + 0, + app_send_io_evt_tx, +}; +/* *INDENT-ON* */ + +/** + * Send event to application + * + * Logic from queue perspective is non-blocking. That is, if there's + * not enough space to enqueue a message, we return. However, if the lock + * flag is set, we do wait for queue mutex. + */ +int +application_send_event (app_worker_t * app, stream_session_t * s, u8 evt_type) +{ + ASSERT (app && evt_type <= FIFO_EVENT_APP_TX); + return app_send_evt_handler_fns[evt_type] (app, s, 0 /* lock */ ); +} + +int +application_lock_and_send_event (app_worker_t * app, stream_session_t * s, + u8 evt_type) +{ + return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ ); +} + +local_session_t * +application_alloc_local_session (app_worker_t * app) +{ + local_session_t *s; + pool_get (app->local_sessions, s); + memset (s, 0, sizeof (*s)); + s->app_wrk_index = app->app_index; + s->session_index = s - app->local_sessions; + s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0); + return s; +} + +void +application_free_local_session (app_worker_t * app, local_session_t * s) +{ + pool_put (app->local_sessions, s); + if (CLIB_DEBUG) + memset (s, 0xfc, sizeof (*s)); +} + +local_session_t * +application_get_local_session (app_worker_t * app_wrk, u32 session_index) +{ + if (pool_is_free_index (app_wrk->local_sessions, session_index)) + return 0; + return pool_elt_at_index (app_wrk->local_sessions, session_index); +} + +local_session_t * +application_get_local_session_from_handle (session_handle_t handle) +{ + app_worker_t *server_wrk; + u32 session_index, server_wrk_index; + local_session_parse_handle (handle, &server_wrk_index, &session_index); + server_wrk = app_worker_get_if_valid (server_wrk_index); + if (!server_wrk) + return 0; + return application_get_local_session (server_wrk, session_index); +} + +always_inline void +application_local_listener_session_endpoint (local_session_t * ll, + session_endpoint_t * sep) +{ + sep->transport_proto = + session_type_transport_proto (ll->listener_session_type); + sep->port = ll->port; + sep->is_ip4 = ll->listener_session_type & 1; +} + +int +application_start_local_listen (app_worker_t * app_wrk, + session_endpoint_t * sep, + session_handle_t * handle) +{ + session_handle_t lh; + local_session_t *ll; + application_t *app; + u32 table_index; + + app = application_get (app_wrk->app_index); + table_index = application_local_session_table (app); + + /* An exact sep match, as opposed to session_lookup_local_listener */ + lh = session_lookup_endpoint_listener (table_index, sep, 1); + if (lh != SESSION_INVALID_HANDLE) + return VNET_API_ERROR_ADDRESS_IN_USE; + + pool_get (app_wrk->local_listen_sessions, ll); + memset (ll, 0, sizeof (*ll)); + ll->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0); + ll->app_wrk_index = app_wrk->app_index; + ll->session_index = ll - app_wrk->local_listen_sessions; + ll->port = sep->port; + /* Store the original session type for the unbind */ + ll->listener_session_type = + session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4); + ll->transport_listener_index = ~0; + + *handle = application_local_session_handle (ll); + session_lookup_add_session_endpoint (table_index, sep, *handle); + + return 0; +} + +/** + * Clean up local session table. If we have a listener session use it to + * find the port and proto. If not, the handle must be a local table handle + * so parse it. + */ +int +application_stop_local_listen (session_handle_t lh, u32 app_index) +{ + session_endpoint_t sep = SESSION_ENDPOINT_NULL; + u32 table_index, ll_index, server_wrk_index; + app_worker_t *server_wrk; + stream_session_t *sl = 0; + local_session_t *ll, *ls; + application_t *server; + + server = application_get (app_index); + table_index = application_local_session_table (server); + + /* We have both local and global table binds. Figure from global what + * the sep we should be cleaning up is. + */ + if (!session_handle_is_local (lh)) + { + sl = listen_session_get_from_handle (lh); + if (!sl || listen_session_get_local_session_endpoint (sl, &sep)) + { + clib_warning ("broken listener"); + return -1; + } + lh = session_lookup_endpoint_listener (table_index, &sep, 0); + if (lh == SESSION_INVALID_HANDLE) + return -1; + } + + local_session_parse_handle (lh, &server_wrk_index, &ll_index); + server_wrk = app_worker_get (server_wrk_index); + if (PREDICT_FALSE (server_wrk->app_index != app_index)) + { + clib_warning ("app %u does not own local handle 0x%lx", app_index, lh); + } + ll = application_get_local_listen_session (server_wrk, ll_index); + if (PREDICT_FALSE (!ll)) + { + clib_warning ("no local listener"); + return -1; + } + application_local_listener_session_endpoint (ll, &sep); + session_lookup_del_session_endpoint (table_index, &sep); + + /* *INDENT-OFF* */ + pool_foreach (ls, server_wrk->local_sessions, ({ + if (ls->listener_index == ll->session_index) + application_local_session_disconnect (server_wrk->app_index, ls); + })); + /* *INDENT-ON* */ + pool_put_index (server_wrk->local_listen_sessions, ll->session_index); + + return 0; +} + +static void +application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq) +{ + int fd; + + /* + * segment manager initializes only the producer eventds, since vpp is + * typically the producer. But for local sessions, we also pass to the + * apps the mqs they listen on for events from peer apps, so they are also + * consumer fds. + */ + fd = svm_msg_q_get_producer_eventfd (sq); + svm_msg_q_set_consumer_eventfd (sq, fd); + fd = svm_msg_q_get_producer_eventfd (cq); + svm_msg_q_set_consumer_eventfd (cq, fd); +} + +int +application_local_session_connect (app_worker_t * client_wrk, + app_worker_t * server_wrk, + local_session_t * ll, u32 opaque) +{ + u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10; + segment_manager_properties_t *props, *cprops; + u32 round_rx_fifo_sz, round_tx_fifo_sz; + int rv, has_transport, seg_index; + svm_fifo_segment_private_t *seg; + application_t *server, *client; + segment_manager_t *sm; + local_session_t *ls; + svm_msg_q_t *sq, *cq; + + ls = application_alloc_local_session (server_wrk); + + server = application_get (server_wrk->app_index); + client = application_get (client_wrk->app_index); + + props = application_segment_manager_properties (server); + cprops = application_segment_manager_properties (client); + evt_q_elts = props->evt_q_size + cprops->evt_q_size; + evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts); + round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size); + round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size); + seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin; + + has_transport = session_has_transport ((stream_session_t *) ll); + if (!has_transport) + { + /* Local sessions don't have backing transport */ + ls->port = ll->port; + sm = application_get_local_segment_manager (server_wrk); + } + else + { + stream_session_t *sl = (stream_session_t *) ll; + transport_connection_t *tc; + tc = listen_session_get_transport (sl); + ls->port = tc->lcl_port; + sm = app_worker_get_listen_segment_manager (server_wrk, sl); + } + + seg_index = segment_manager_add_segment (sm, seg_size); + if (seg_index < 0) + { + clib_warning ("failed to add new cut-through segment"); + return seg_index; + } + seg = segment_manager_get_segment_w_lock (sm, seg_index); + sq = segment_manager_alloc_queue (seg, props); + cq = segment_manager_alloc_queue (seg, cprops); + + if (props->use_mq_eventfd) + application_local_session_fix_eventds (sq, cq); + + ls->server_evt_q = pointer_to_uword (sq); + ls->client_evt_q = pointer_to_uword (cq); + rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size, + props->tx_fifo_size, + &ls->server_rx_fifo, + &ls->server_tx_fifo); + if (rv) + { + clib_warning ("failed to add fifos in cut-through segment"); + segment_manager_segment_reader_unlock (sm); + goto failed; + } + ls->server_rx_fifo->master_session_index = ls->session_index; + ls->server_tx_fifo->master_session_index = ls->session_index; + ls->server_rx_fifo->master_thread_index = ~0; + ls->server_tx_fifo->master_thread_index = ~0; + ls->svm_segment_index = seg_index; + ls->listener_index = ll->session_index; + ls->client_wrk_index = client_wrk->wrk_index; + ls->client_opaque = opaque; + ls->listener_session_type = ll->session_type; + + if ((rv = server->cb_fns.add_segment_callback (server->api_client_index, + &seg->ssvm))) + { + clib_warning ("failed to notify server of new segment"); + segment_manager_segment_reader_unlock (sm); + goto failed; + } + segment_manager_segment_reader_unlock (sm); + if ((rv = server->cb_fns.session_accept_callback ((stream_session_t *) ls))) + { + clib_warning ("failed to send accept cut-through notify to server"); + goto failed; + } + if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN) + application_local_session_connect_notify (ls); + + return 0; + +failed: + if (!has_transport) + segment_manager_del_segment (sm, seg); + return rv; +} + +static uword +application_client_local_connect_key (local_session_t * ls) +{ + return ((uword) ls->app_wrk_index << 32 | (uword) ls->session_index); +} + +static void +application_client_local_connect_key_parse (uword key, u32 * app_wrk_index, + u32 * session_index) { - uword *smp; - smp = hash_get (app->listeners_table, listen_session_get_handle (s)); - ASSERT (smp != 0); - return segment_manager_get (*smp); + *app_wrk_index = key >> 32; + *session_index = key & 0xFFFFFFFF; } -static u8 * -app_get_name_from_reg_index (application_t * app) +int +application_local_session_connect_notify (local_session_t * ls) { - u8 *app_name; + svm_fifo_segment_private_t *seg; + app_worker_t *client_wrk, *server_wrk; + segment_manager_t *sm; + application_t *client; + int rv, is_fail = 0; + uword client_key; + + client_wrk = app_worker_get (ls->client_wrk_index); + server_wrk = app_worker_get (ls->app_wrk_index); + client = application_get (client_wrk->app_index); + + sm = application_get_local_segment_manager_w_session (server_wrk, ls); + seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index); + if ((rv = client->cb_fns.add_segment_callback (client->api_client_index, + &seg->ssvm))) + { + clib_warning ("failed to notify client %u of new segment", + ls->client_wrk_index); + segment_manager_segment_reader_unlock (sm); + application_local_session_disconnect (ls->client_wrk_index, ls); + is_fail = 1; + } + else + { + segment_manager_segment_reader_unlock (sm); + } - 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); + client->cb_fns.session_connected_callback (client_wrk->wrk_index, + ls->client_opaque, + (stream_session_t *) ls, + is_fail); + + client_key = application_client_local_connect_key (ls); + hash_set (client_wrk->local_connects, client_key, client_key); + return 0; +} + +int +application_local_session_cleanup (app_worker_t * client_wrk, + app_worker_t * server_wrk, + local_session_t * ls) +{ + svm_fifo_segment_private_t *seg; + segment_manager_t *sm; + uword client_key; + u8 has_transport; + + has_transport = session_has_transport ((stream_session_t *) ls); + client_key = application_client_local_connect_key (ls); + if (!has_transport) + sm = application_get_local_segment_manager_w_session (server_wrk, ls); else - app_name = format (0, "%s%c", regp->name, 0); + sm = app_worker_get_listen_segment_manager (server_wrk, + (stream_session_t *) ls); - return app_name; + seg = segment_manager_get_segment (sm, ls->svm_segment_index); + if (client_wrk) + hash_unset (client_wrk->local_connects, client_key); + + if (!has_transport) + { + application_t *server = application_get (server_wrk->app_index); + server->cb_fns.del_segment_callback (server->api_client_index, + &seg->ssvm); + if (client_wrk) + { + application_t *client = application_get (client_wrk->app_index); + client->cb_fns.del_segment_callback (client->api_client_index, + &seg->ssvm); + } + segment_manager_del_segment (sm, seg); + } + + application_free_local_session (server_wrk, ls); + + return 0; +} + +int +application_local_session_disconnect (u32 app_wrk_index, local_session_t * ls) +{ + app_worker_t *client_wrk, *server_wrk; + + client_wrk = app_worker_get_if_valid (ls->client_wrk_index); + server_wrk = app_worker_get (ls->app_wrk_index); + + + if (ls->session_state == SESSION_STATE_CLOSED) + return application_local_session_cleanup (client_wrk, server_wrk, ls); + + if (app_wrk_index == ls->client_wrk_index) + { + mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls); + } + else + { + if (!client_wrk) + { + return application_local_session_cleanup (client_wrk, server_wrk, + ls); + } + else if (ls->session_state < SESSION_STATE_READY) + { + application_t *client = application_get (client_wrk->app_index); + client->cb_fns.session_connected_callback (client_wrk->wrk_index, + ls->client_opaque, + (stream_session_t *) ls, + 1 /* is_fail */ ); + ls->session_state = SESSION_STATE_CLOSED; + return application_local_session_cleanup (client_wrk, server_wrk, + ls); + } + else + { + mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls); + } + } + + ls->session_state = SESSION_STATE_CLOSED; + + return 0; +} + +int +application_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index) +{ + app_worker_t *app_wrk; + local_session_t *ls; + app_wrk = app_worker_get (app_wrk_index); + ls = application_get_local_session (app_wrk, ls_index); + return application_local_session_disconnect (app_wrk_index, ls); +} + +void +application_local_sessions_free (app_worker_t * app_wrk) +{ + u32 index, server_wrk_index, session_index, table_index; + segment_manager_t *sm; + u64 handle, *handles = 0; + local_session_t *ls, *ll; + app_worker_t *server_wrk; + session_endpoint_t sep; + application_t *app; + int i; + + /* + * Local listens. Don't bother with local sessions, we clean them lower + */ + app = application_get (app_wrk->app_index); + table_index = application_local_session_table (app); + /* *INDENT-OFF* */ + pool_foreach (ll, app_wrk->local_listen_sessions, ({ + application_local_listener_session_endpoint (ll, &sep); + session_lookup_del_session_endpoint (table_index, &sep); + })); + /* *INDENT-ON* */ + + /* + * Local sessions + */ + if (app_wrk->local_sessions) + { + /* *INDENT-OFF* */ + pool_foreach (ls, app_wrk->local_sessions, ({ + application_local_session_disconnect (app_wrk->wrk_index, ls); + })); + /* *INDENT-ON* */ + } + + /* + * Local connects + */ + vec_reset_length (handles); + /* *INDENT-OFF* */ + hash_foreach (handle, index, app_wrk->local_connects, ({ + vec_add1 (handles, handle); + })); + /* *INDENT-ON* */ + + for (i = 0; i < vec_len (handles); i++) + { + application_client_local_connect_key_parse (handles[i], + &server_wrk_index, + &session_index); + server_wrk = app_worker_get_if_valid (server_wrk_index); + if (server_wrk) + { + ls = application_get_local_session (server_wrk, session_index); + application_local_session_disconnect (app_wrk->wrk_index, ls); + } + } + + sm = segment_manager_get (app_wrk->local_segment_manager); + sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX; + segment_manager_del (sm); +} + +clib_error_t * +vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a) +{ + application_t *app; + app = application_get (a->app_index); + if (!app) + return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED, + 0, "app %u doesn't exist", a->app_index); + app->tls_cert = vec_dup (a->cert); + return 0; +} + +clib_error_t * +vnet_app_add_tls_key (vnet_app_add_tls_key_args_t * a) +{ + application_t *app; + app = application_get (a->app_index); + if (!app) + return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED, + 0, "app %u doesn't exist", a->app_index); + app->tls_key = vec_dup (a->key); + return 0; } u8 * -format_application_listener (u8 * s, va_list * args) +format_app_worker_listener (u8 * s, va_list * args) { - application_t *app = va_arg (*args, application_t *); + app_worker_t *app_wrk = va_arg (*args, app_worker_t *); u64 handle = va_arg (*args, u64); - u32 index = va_arg (*args, u32); + u32 sm_index = va_arg (*args, u32); int verbose = va_arg (*args, int); stream_session_t *listener; + application_t *app; u8 *app_name, *str; - if (app == 0) + if (!app_wrk) { if (verbose) - s = format (s, "%-40s%-20s%-15s%-15s%-10s", "Connection", "App", + s = format (s, "%-40s%-25s%-15s%-15s%-10s", "Connection", "App", "API Client", "ListenerID", "SegManager"); else - s = format (s, "%-40s%-20s", "Connection", "App"); + s = format (s, "%-40s%-25s", "Connection", "App"); return s; } + app = application_get (app_wrk->app_index); app_name = app_get_name_from_reg_index (app); listener = listen_session_get_from_handle (handle); str = format (0, "%U", format_stream_session, listener, verbose); if (verbose) { - s = format (s, "%-40s%-20s%-15u%-15u%-10u", str, app_name, - app->api_client_index, handle, index); + s = format (s, "%-40s%-25s%-15u%-15u%-10u", str, app_name, + app->api_client_index, handle, sm_index); } else - s = format (s, "%-40s%-20s", str, app_name); + s = format (s, "%-40s%-25s", str, app_name); vec_free (app_name); return s; } -void -application_format_connects (application_t * app, int 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 (!app) + { + vlib_cli_output (vm, "%U", format_app_worker_listener, 0 /* header */ , + 0, 0, verbose); + return; + } + + /* *INDENT-OFF* */ + pool_foreach (wrk_map, app->worker_maps, ({ + app_wrk = app_worker_get (wrk_map->wrk_index); + if (hash_elts (app_wrk->listeners_table) == 0) + continue; + hash_foreach (handle, sm_index, app_wrk->listeners_table, ({ + vlib_cli_output (vm, "%U", format_app_worker_listener, app_wrk, + handle, sm_index, verbose); + })); + })); + /* *INDENT-ON* */ +} + +static void +app_worker_format_connects (app_worker_t * app_wrk, int verbose) { + svm_fifo_segment_private_t *fifo_segment; vlib_main_t *vm = vlib_get_main (); segment_manager_t *sm; u8 *app_name, *s = 0; - int j; + application_t *app; /* Header */ - if (app == 0) + if (!app_wrk) { if (verbose) vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App", @@ -423,23 +1714,22 @@ application_format_connects (application_t * app, int verbose) return; } - /* make sure */ - if (app->connects_seg_manager == (u32) ~ 0) + app = application_get (app_wrk->app_index); + if (app_wrk->connects_seg_manager == (u32) ~ 0) return; app_name = app_get_name_from_reg_index (app); /* Across all fifo segments */ - sm = segment_manager_get (app->connects_seg_manager); - for (j = 0; j < vec_len (sm->segment_indices); j++) - { - svm_fifo_segment_private_t *fifo_segment; - svm_fifo_t *fifo; - u8 *str; + sm = segment_manager_get (app_wrk->connects_seg_manager); + + /* *INDENT-OFF* */ + segment_manager_foreach_segment_w_lock (fifo_segment, sm, ({ + svm_fifo_t *fifo; + u8 *str; - fifo_segment = svm_fifo_get_segment (sm->segment_indices[j]); - fifo = svm_fifo_segment_get_fifo_list (fifo_segment); - while (fifo) + fifo = svm_fifo_segment_get_fifo_list (fifo_segment); + while (fifo) { u32 session_index, thread_index; stream_session_t *session; @@ -447,12 +1737,12 @@ application_format_connects (application_t * app, int verbose) session_index = fifo->master_session_index; thread_index = fifo->master_thread_index; - session = stream_session_get (session_index, 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); + app->api_client_index, app_wrk->connects_seg_manager); else s = format (s, "%-40s%-20s", str, app_name); @@ -462,55 +1752,261 @@ application_format_connects (application_t * app, int verbose) fifo = fifo->next; } - vec_free (s); - } + vec_free (s); + })); + /* *INDENT-ON* */ vec_free (app_name); } +static void +application_format_connects (application_t * app, int verbose) +{ + app_worker_map_t *wrk_map; + app_worker_t *app_wrk; + + if (!app) + { + app_worker_format_connects (0, verbose); + return; + } + + /* *INDENT-OFF* */ + pool_foreach (wrk_map, app->worker_maps, ({ + app_wrk = app_worker_get (wrk_map->wrk_index); + app_worker_format_connects (app_wrk, verbose); + })); + /* *INDENT-ON* */ +} + +static void +app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose) +{ + vlib_main_t *vm = vlib_get_main (); + local_session_t *ls; + transport_proto_t tp; + u8 *conn = 0; + + /* Header */ + if (app_wrk == 0) + { + vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp", + "ClientApp"); + return; + } + + if (!pool_elts (app_wrk->local_sessions) + && !pool_elts (app_wrk->local_connects)) + return; + + /* *INDENT-OFF* */ + pool_foreach (ls, app_wrk->local_listen_sessions, ({ + tp = session_type_transport_proto(ls->listener_session_type); + conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp, + ls->port); + vlib_cli_output (vm, "%-40v%-15u%-20s", conn, ls->app_wrk_index, "*"); + vec_reset_length (conn); + })); + pool_foreach (ls, app_wrk->local_sessions, ({ + tp = session_type_transport_proto(ls->listener_session_type); + conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp, + ls->port); + vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_wrk_index, + ls->client_wrk_index); + vec_reset_length (conn); + })); + /* *INDENT-ON* */ + + vec_free (conn); +} + +static void +application_format_local_sessions (application_t * app, int verbose) +{ + app_worker_map_t *wrk_map; + app_worker_t *app_wrk; + + if (!app) + { + app_worker_format_local_sessions (0, verbose); + return; + } + + /* *INDENT-OFF* */ + pool_foreach (wrk_map, app->worker_maps, ({ + app_wrk = app_worker_get (wrk_map->wrk_index); + app_worker_format_local_sessions (app_wrk, verbose); + })); + /* *INDENT-ON* */ +} + +static void +app_worker_format_local_connects (app_worker_t * app, int verbose) +{ + vlib_main_t *vm = vlib_get_main (); + u32 app_wrk_index, session_index; + app_worker_t *server_wrk; + local_session_t *ls; + uword client_key; + u64 value; + + /* Header */ + if (app == 0) + { + if (verbose) + vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App", + "Peer App", "SegManager"); + else + vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App", + "Peer App"); + return; + } + + if (!app->local_connects) + return; + + /* *INDENT-OFF* */ + hash_foreach (client_key, value, app->local_connects, ({ + application_client_local_connect_key_parse (client_key, &app_wrk_index, + &session_index); + server_wrk = app_worker_get (app_wrk_index); + ls = application_get_local_session (server_wrk, session_index); + vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index, + ls->client_wrk_index); + })); + /* *INDENT-ON* */ +} + +static void +application_format_local_connects (application_t * app, int verbose) +{ + app_worker_map_t *wrk_map; + app_worker_t *app_wrk; + + if (!app) + { + app_worker_format_local_connects (0, verbose); + return; + } + + /* *INDENT-OFF* */ + pool_foreach (wrk_map, app->worker_maps, ({ + app_wrk = app_worker_get (wrk_map->wrk_index); + app_worker_format_local_connects (app_wrk, verbose); + })); + /* *INDENT-ON* */ +} + u8 * format_application (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; if (app == 0) { if (verbose) - s = format (s, "%-10s%-20s%-15s%-15s%-15s%-15s", "Index", "Name", - "API Client", "Add seg size", "Rx fifo size", - "Tx fifo size"); + s = format (s, "%-10s%-20s%-15s%-15s%-15s%-15s%-15s", "Index", "Name", + "API Client", "Namespace", "Add seg size", "Rx-f size", + "Tx-f size"); else - s = format (s, "%-10s%-20s%-20s", "Index", "Name", "API Client"); + s = format (s, "%-10s%-20s%-15s%-40s", "Index", "Name", "API Client", + "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 = application_segment_manager_properties (app); if (verbose) - s = format (s, "%-10d%-20s%-15d%-15d%-15d%-15d", app->index, app_name, - app->api_client_index, app->sm_properties.add_segment_size, - app->sm_properties.rx_fifo_size, - app->sm_properties.tx_fifo_size); + s = format (s, "%-10u%-20s%-15d%-15u%-15U%-15U%-15U", app->app_index, + app_name, app->api_client_index, app->ns_index, + format_memory_size, props->add_segment_size, + format_memory_size, props->rx_fifo_size, format_memory_size, + props->tx_fifo_size); else - s = format (s, "%-10d%-20s%-20d", app->index, app_name, - app->api_client_index); + s = format (s, "%-10u%-20s%-15d%-40s", app->app_index, app_name, + app->api_client_index, app_ns_name); return s; } +void +application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose) +{ + application_t *app; + + if (!pool_elts (app_main.app_pool)) + { + vlib_cli_output (vm, "No active server bindings"); + return; + } + + if (do_local) + { + application_format_local_sessions (0, verbose); + /* *INDENT-OFF* */ + pool_foreach (app, app_main.app_pool, ({ + application_format_local_sessions (app, verbose); + })); + /* *INDENT-ON* */ + } + else + { + application_format_listeners (0, verbose); + + /* *INDENT-OFF* */ + pool_foreach (app, app_main.app_pool, ({ + application_format_listeners (app, verbose); + })); + /* *INDENT-ON* */ + } +} + +void +application_format_all_clients (vlib_main_t * vm, int do_local, int verbose) +{ + application_t *app; + + if (!pool_elts (app_main.app_pool)) + { + vlib_cli_output (vm, "No active apps"); + return; + } + + if (do_local) + { + application_format_local_connects (0, verbose); + + /* *INDENT-OFF* */ + pool_foreach (app, app_main.app_pool, ({ + application_format_local_connects (app, verbose); + })); + /* *INDENT-ON* */ + } + else + { + application_format_connects (0, verbose); + + /* *INDENT-OFF* */ + pool_foreach (app, app_main.app_pool, ({ + application_format_connects (app, verbose); + })); + /* *INDENT-ON* */ + } +} + static clib_error_t * show_app_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { + int do_server = 0, do_client = 0, do_local = 0; application_t *app; - int do_server = 0; - int do_client = 0; int verbose = 0; - if (!session_manager_is_enabled ()) - { - clib_error_return (0, "session layer is not enabled"); - } + session_cli_return_if_not_enabled (); while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { @@ -518,6 +2014,8 @@ 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, "local")) + do_local = 1; else if (unformat (input, "verbose")) verbose = 1; else @@ -525,62 +2023,20 @@ show_app_command_fn (vlib_main_t * vm, unformat_input_t * input, } 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, do_local, verbose); 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, do_local, verbose); /* Print app related info */ if (!do_server && !do_client) { vlib_cli_output (vm, "%U", format_application, 0, verbose); - pool_foreach (app, app_pool, ( - { - vlib_cli_output (vm, "%U", - format_application, app, - verbose); - } - )); + /* *INDENT-OFF* */ + pool_foreach (app, app_main.app_pool, ({ + vlib_cli_output (vm, "%U", format_application, app, verbose); + })); + /* *INDENT-ON* */ } return 0;