diff options
Diffstat (limited to 'src/vnet/session/application_worker.c')
| -rw-r--r-- | src/vnet/session/application_worker.c | 446 |
1 files changed, 1 insertions, 445 deletions
diff --git a/src/vnet/session/application_worker.c b/src/vnet/session/application_worker.c index 5423733b231..43e3db3c73e 100644 --- a/src/vnet/session/application_worker.c +++ b/src/vnet/session/application_worker.c @@ -15,6 +15,7 @@ #include <vnet/session/application.h> #include <vnet/session/application_interface.h> +#include <vnet/session/application_local.h> #include <vnet/session/session.h> /** @@ -22,110 +23,6 @@ */ static app_worker_t *app_workers; -static inline u64 -application_client_local_connect_key (local_session_t * ls) -{ - return (((u64) ls->app_wrk_index) << 32 | (u64) ls->session_index); -} - -static inline void -application_client_local_connect_key_parse (u64 key, u32 * app_wrk_index, - u32 * session_index) -{ - *app_wrk_index = key >> 32; - *session_index = key & 0xFFFFFFFF; -} - -local_session_t * -app_worker_local_session_alloc (app_worker_t * app_wrk) -{ - local_session_t *s; - pool_get (app_wrk->local_sessions, s); - clib_memset (s, 0, sizeof (*s)); - s->app_wrk_index = app_wrk->wrk_index; - s->session_index = s - app_wrk->local_sessions; - s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0); - return s; -} - -void -app_worker_local_session_free (app_worker_t * app_wrk, local_session_t * s) -{ - pool_put (app_wrk->local_sessions, s); - if (CLIB_DEBUG) - clib_memset (s, 0xfc, sizeof (*s)); -} - -local_session_t * -app_worker_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 * -app_worker_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 app_worker_get_local_session (server_wrk, session_index); -} - -void -app_worker_local_sessions_free (app_worker_t * app_wrk) -{ - u32 index, server_wrk_index, session_index; - u64 handle, *handles = 0; - app_worker_t *server_wrk; - segment_manager_t *sm; - local_session_t *ls; - int i; - - /* - * Local sessions - */ - if (app_wrk->local_sessions) - { - /* *INDENT-OFF* */ - pool_foreach (ls, app_wrk->local_sessions, ({ - app_worker_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 = app_worker_get_local_session (server_wrk, session_index); - app_worker_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); -} - app_worker_t * app_worker_alloc (application_t * app) { @@ -752,274 +649,6 @@ app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk, return segment_manager_get (app_wrk->local_segment_manager); } -int -app_worker_local_session_cleanup (app_worker_t * client_wrk, - app_worker_t * server_wrk, - local_session_t * ls) -{ - svm_fifo_segment_private_t *seg; - session_t *listener; - segment_manager_t *sm; - u64 client_key; - u8 has_transport; - - /* Retrieve listener transport type as it is the one that decides where - * the fifos are allocated */ - has_transport = application_local_session_listener_has_transport (ls); - if (!has_transport) - sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls); - else - { - listener = listen_session_get (ls->listener_index); - sm = app_worker_get_listen_segment_manager (server_wrk, listener); - } - - seg = segment_manager_get_segment (sm, ls->svm_segment_index); - if (client_wrk) - { - client_key = application_client_local_connect_key (ls); - hash_unset (client_wrk->local_connects, client_key); - } - - if (!has_transport) - { - application_t *server = application_get (server_wrk->app_index); - u64 segment_handle = segment_manager_segment_handle (sm, seg); - server->cb_fns.del_segment_callback (server_wrk->api_client_index, - segment_handle); - if (client_wrk) - { - application_t *client = application_get (client_wrk->app_index); - client->cb_fns.del_segment_callback (client_wrk->api_client_index, - segment_handle); - } - segment_manager_del_segment (sm, seg); - } - - app_worker_local_session_free (server_wrk, ls); - - 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 -app_worker_local_session_connect (app_worker_t * client_wrk, - app_worker_t * server_wrk, - local_session_t * ll, u32 opaque) -{ - u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10; - u32 round_rx_fifo_sz, round_tx_fifo_sz, sm_index; - segment_manager_properties_t *props, *cprops; - int rv, has_transport, seg_index; - svm_fifo_segment_private_t *seg; - application_t *server, *client; - segment_manager_t *sm; - local_session_t *ls; - svm_msg_q_t *sq, *cq; - u64 segment_handle; - - ls = app_worker_local_session_alloc (server_wrk); - server = application_get (server_wrk->app_index); - client = application_get (client_wrk->app_index); - - props = application_segment_manager_properties (server); - cprops = application_segment_manager_properties (client); - evt_q_elts = props->evt_q_size + cprops->evt_q_size; - evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts); - round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size); - round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size); - seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin; - - has_transport = session_has_transport ((session_t *) ll); - if (!has_transport) - { - /* Local sessions don't have backing transport */ - ls->port = ll->port; - sm = app_worker_get_local_segment_manager (server_wrk); - } - else - { - session_t *sl = (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->rx_fifo, &ls->tx_fifo); - if (rv) - { - clib_warning ("failed to add fifos in cut-through segment"); - segment_manager_segment_reader_unlock (sm); - goto failed; - } - sm_index = segment_manager_index (sm); - ls->rx_fifo->ct_session_index = ls->session_index; - ls->tx_fifo->ct_session_index = ls->session_index; - ls->rx_fifo->segment_manager = sm_index; - ls->tx_fifo->segment_manager = sm_index; - ls->rx_fifo->segment_index = seg_index; - ls->tx_fifo->segment_index = seg_index; - ls->svm_segment_index = seg_index; - ls->listener_index = ll->session_index; - ls->client_wrk_index = client_wrk->wrk_index; - ls->client_opaque = opaque; - ls->listener_session_type = ll->session_type; - ls->session_state = SESSION_STATE_READY; - - segment_handle = segment_manager_segment_handle (sm, seg); - if ((rv = server->cb_fns.add_segment_callback (server_wrk->api_client_index, - segment_handle))) - { - clib_warning ("failed to notify server of new segment"); - segment_manager_segment_reader_unlock (sm); - goto failed; - } - segment_manager_segment_reader_unlock (sm); - if ((rv = server->cb_fns.session_accept_callback ((session_t *) ls))) - { - clib_warning ("failed to send accept cut-through notify to server"); - goto failed; - } - if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN) - app_worker_local_session_connect_notify (ls); - - return 0; - -failed: - if (!has_transport) - segment_manager_del_segment (sm, seg); - return rv; -} - -int -app_worker_local_session_connect_notify (local_session_t * ls) -{ - svm_fifo_segment_private_t *seg; - app_worker_t *client_wrk, *server_wrk; - segment_manager_t *sm; - application_t *client; - int rv, is_fail = 0; - u64 segment_handle; - u64 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 = app_worker_get_local_segment_manager_w_session (server_wrk, ls); - seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index); - segment_handle = segment_manager_segment_handle (sm, seg); - if ((rv = client->cb_fns.add_segment_callback (client_wrk->api_client_index, - segment_handle))) - { - clib_warning ("failed to notify client %u of new segment", - ls->client_wrk_index); - segment_manager_segment_reader_unlock (sm); - app_worker_local_session_disconnect (ls->client_wrk_index, ls); - is_fail = 1; - } - else - { - segment_manager_segment_reader_unlock (sm); - } - - client->cb_fns.session_connected_callback (client_wrk->wrk_index, - ls->client_opaque, - (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 -app_worker_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 app_worker_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 app_worker_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, - (session_t *) ls, - 1 /* is_fail */ ); - ls->session_state = SESSION_STATE_CLOSED; - return app_worker_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 -app_worker_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 = app_worker_get_local_session (app_wrk, ls_index); - return app_worker_local_session_disconnect (app_wrk_index, ls); -} - u8 * format_app_worker_listener (u8 * s, va_list * args) { @@ -1134,79 +763,6 @@ app_worker_format_connects (app_worker_t * app_wrk, int verbose) /* *INDENT-ON* */ } -void -app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose) -{ - vlib_main_t *vm = vlib_get_main (); - app_worker_t *client_wrk; - local_session_t *ls; - transport_proto_t tp; - u8 *conn = 0; - - /* Header */ - if (app_wrk == 0) - { - vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp", - "ClientApp"); - return; - } - - if (!pool_elts (app_wrk->local_sessions) - && !pool_elts (app_wrk->local_connects)) - return; - - /* *INDENT-OFF* */ - pool_foreach (ls, app_wrk->local_sessions, ({ - tp = session_type_transport_proto(ls->listener_session_type); - conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp, - ls->port); - client_wrk = app_worker_get (ls->client_wrk_index); - vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_index, - client_wrk->app_index); - vec_reset_length (conn); - })); - /* *INDENT-ON* */ - - vec_free (conn); -} - -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; - u64 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 = app_worker_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* */ -} - /* * fd.io coding-style-patch-verification: ON * |