diff options
Diffstat (limited to 'src/vnet/session')
| -rw-r--r-- | src/vnet/session/application.c | 230 | ||||
| -rw-r--r-- | src/vnet/session/application.h | 24 | ||||
| -rw-r--r-- | src/vnet/session/application_local.c | 609 | ||||
| -rw-r--r-- | src/vnet/session/application_local.h | 55 | ||||
| -rw-r--r-- | src/vnet/session/application_worker.c | 119 | ||||
| -rw-r--r-- | src/vnet/session/segment_manager.c | 25 | ||||
| -rw-r--r-- | src/vnet/session/session.c | 7 | ||||
| -rwxr-xr-x | src/vnet/session/session_api.c | 118 | ||||
| -rw-r--r-- | src/vnet/session/session_lookup.c | 6 | ||||
| -rw-r--r-- | src/vnet/session/session_node.c | 60 | ||||
| -rw-r--r-- | src/vnet/session/session_types.h | 107 |
11 files changed, 474 insertions, 886 deletions
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c index 4d95426568e..86e0e6b1919 100644 --- a/src/vnet/session/application.c +++ b/src/vnet/session/application.c @@ -157,7 +157,6 @@ app_listener_alloc_and_init (application_t * app, { app_listener_t *app_listener; transport_connection_t *tc; - local_session_t *ll = 0; session_handle_t lh; session_type_t st; session_t *ls = 0; @@ -238,7 +237,7 @@ app_listener_alloc_and_init (application_t * app, session_lookup_add_connection (tc, lh); } - if (!ll && !ls) + if (!ls) { app_listener_free (app, app_listener); return -1; @@ -267,8 +266,9 @@ app_listener_cleanup (app_listener_t * al) table_index = application_local_session_table (app); ls = listen_session_get (al->local_index); - application_local_listener_session_endpoint (ls, &sep); + 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); @@ -727,14 +727,6 @@ application_alloc_worker_and_init (application_t * app, app_worker_t ** wrk) app_wrk->event_queue = segment_manager_event_queue (sm); app_wrk->app_is_builtin = application_is_builtin (app); - /* - * Segment manager for local sessions - */ - sm = segment_manager_new (); - sm->app_wrk_index = app_wrk->wrk_index; - app_wrk->local_segment_manager = segment_manager_index (sm); - app_wrk->local_connects = hash_create (0, sizeof (u64)); - *wrk = app_wrk; return 0; @@ -1025,13 +1017,8 @@ vnet_listen (vnet_listen_args_t * a) int vnet_connect (vnet_connect_args_t * a) { - app_worker_t *server_wrk, *client_wrk; + app_worker_t *client_wrk; application_t *client; - app_listener_t *al; - u32 table_index; - session_t *ls; - u8 fib_proto; - session_handle_t lh; if (session_endpoint_is_zero (&a->sep)) return VNET_API_ERROR_INVALID_VALUE; @@ -1047,53 +1034,14 @@ vnet_connect (vnet_connect_args_t * a) */ if (application_has_local_scope (client)) { - table_index = application_local_session_table (client); - lh = session_lookup_local_endpoint (table_index, &a->sep); - if (lh == SESSION_DROP_HANDLE) - return VNET_API_ERROR_APP_CONNECT_FILTERED; - - if (lh == SESSION_INVALID_HANDLE) - goto global_scope; - - ls = listen_session_get_from_handle (lh); - al = app_listener_get_w_session (ls); - - /* - * Break loop if rule in local table points to connecting app. This - * can happen if client is a generic proxy. Route connect through - * global table instead. - */ - if (al->app_index == a->app_index) - goto global_scope; + int rv; - server_wrk = app_listener_select_worker (al); - return app_worker_local_session_connect (client_wrk, server_wrk, ls, - a->api_context); - } - - /* - * If nothing found, check the global scope for locally attached - * destinations. Make sure first that we're allowed to. - */ - -global_scope: - if (session_endpoint_is_local (&a->sep)) - return VNET_API_ERROR_SESSION_CONNECT; - - if (!application_has_global_scope (client)) - return VNET_API_ERROR_APP_CONNECT_SCOPE; - - fib_proto = session_endpoint_fib_proto (&a->sep); - table_index = application_session_table (client, fib_proto); - ls = session_lookup_listener (table_index, &a->sep); - if (ls) - { - al = app_listener_get_w_session (ls); - server_wrk = app_listener_select_worker (al); - return app_worker_local_session_connect (client_wrk, server_wrk, ls, - a->api_context); + 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; } - /* * Not connecting to a local server, propagate to transport */ @@ -1132,52 +1080,20 @@ vnet_unlisten (vnet_unlisten_args_t * a) int vnet_disconnect_session (vnet_disconnect_args_t * a) { - if (session_handle_is_local (a->handle)) - { - app_worker_t *client_wrk, *server_wrk; - local_session_t *ls; - u32 wrk_index = ~0; - - /* Disconnect reply came to worker 1 not main thread */ - app_interface_check_thread_and_barrier (vnet_disconnect_session, a); - - if (!(ls = app_worker_get_local_session_from_handle (a->handle))) - return 0; - - client_wrk = app_worker_get_if_valid (ls->client_wrk_index); - server_wrk = app_worker_get (ls->app_wrk_index); - - if (server_wrk->app_index == a->app_index) - wrk_index = server_wrk->wrk_index; - else if (client_wrk && client_wrk->app_index == a->app_index) - wrk_index = client_wrk->wrk_index; - - if (wrk_index == ~0) - { - clib_warning ("app %u does not own session 0x%lx", a->app_index, - application_local_session_handle (ls)); - return VNET_API_ERROR_INVALID_VALUE; - } - - return app_worker_local_session_disconnect (wrk_index, ls); - } - else - { - app_worker_t *app_wrk; - session_t *s; + app_worker_t *app_wrk; + session_t *s; - s = session_get_from_handle_if_valid (a->handle); - if (!s) - return VNET_API_ERROR_INVALID_VALUE; - app_wrk = app_worker_get (s->app_wrk_index); - if (app_wrk->app_index != a->app_index) - return VNET_API_ERROR_INVALID_VALUE; + s = session_get_from_handle_if_valid (a->handle); + if (!s) + return VNET_API_ERROR_INVALID_VALUE; + app_wrk = app_worker_get (s->app_wrk_index); + if (app_wrk->app_index != a->app_index) + return VNET_API_ERROR_INVALID_VALUE; - /* We're peeking into another's thread pool. Make sure */ - ASSERT (s->session_index == session_index_from_handle (a->handle)); + /* We're peeking into another's thread pool. Make sure */ + ASSERT (s->session_index == session_index_from_handle (a->handle)); - session_close (s); - } + session_close (s); return 0; } @@ -1477,49 +1393,6 @@ application_format_connects (application_t * app, int verbose) /* *INDENT-ON* */ } -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; - } - - /* - * Format local accepted/connected sessions - */ - /* *INDENT-OFF* */ - pool_foreach (wrk_map, app->worker_maps, ({ - app_wrk = app_worker_get (wrk_map->wrk_index); - app_worker_format_local_sessions (app_wrk, verbose); - })); - /* *INDENT-ON* */ -} - -static void -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) { @@ -1565,7 +1438,7 @@ format_application (u8 * s, va_list * args) } void -application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose) +application_format_all_listeners (vlib_main_t * vm, int verbose) { application_t *app; @@ -1575,29 +1448,17 @@ application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose) 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); + application_format_listeners (0, verbose); - /* *INDENT-OFF* */ - pool_foreach (app, app_main.app_pool, ({ - application_format_listeners (app, verbose); - })); - /* *INDENT-ON* */ - } + /* *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_format_all_clients (vlib_main_t * vm, int verbose) { application_t *app; @@ -1607,33 +1468,20 @@ application_format_all_clients (vlib_main_t * vm, int do_local, int verbose) 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); + application_format_connects (0, verbose); - /* *INDENT-OFF* */ - pool_foreach (app, app_main.app_pool, ({ - application_format_connects (app, verbose); - })); - /* *INDENT-ON* */ - } + /* *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; + int do_server = 0, do_client = 0; application_t *app; u32 app_index = ~0; int verbose = 0; @@ -1646,8 +1494,6 @@ 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, "%u", &app_index)) ; else if (unformat (input, "verbose")) @@ -1659,13 +1505,13 @@ show_app_command_fn (vlib_main_t * vm, unformat_input_t * input, if (do_server) { - application_format_all_listeners (vm, do_local, verbose); + application_format_all_listeners (vm, verbose); return 0; } if (do_client) { - application_format_all_clients (vm, do_local, verbose); + application_format_all_clients (vm, verbose); return 0; } diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h index 0590c54507a..0904c232f30 100644 --- a/src/vnet/session/application.h +++ b/src/vnet/session/application.h @@ -59,19 +59,6 @@ typedef struct app_worker_ u32 first_segment_manager; u8 first_segment_manager_in_use; - /* - * Local "cut through" connections specific - */ - - /** Segment manager used for incoming "cut through" connects */ - u32 local_segment_manager; - - /** Pool of local sessions the app owns (as a server) */ - local_session_t *local_sessions; - - /** Hash table of the app's local connects */ - uword *local_connects; - /** API index for the worker. Needed for multi-process apps */ u32 api_client_index; @@ -243,7 +230,10 @@ segment_manager_t *app_worker_get_connect_segment_manager (app_worker_t *); segment_manager_t * app_worker_get_or_alloc_connect_segment_manager (app_worker_t *); int app_worker_alloc_connects_segment_manager (app_worker_t * app); -int app_worker_add_segment_notify (u32 app_or_wrk, u64 segment_handle); +int app_worker_add_segment_notify (app_worker_t * app_wrk, + u64 segment_handle); +int app_worker_del_segment_notify (app_worker_t * app_wrk, + u64 segment_handle); u32 app_worker_n_listeners (app_worker_t * app); session_t *app_worker_first_listener (app_worker_t * app, u8 fib_proto, u8 transport_proto); @@ -257,12 +247,6 @@ u8 *format_app_worker (u8 * s, va_list * args); u8 *format_app_worker_listener (u8 * s, va_list * args); void app_worker_format_connects (app_worker_t * app_wrk, int verbose); int vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a); -segment_manager_t *app_worker_get_local_segment_manager (app_worker_t * - app_worker); -segment_manager_t - * app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk, - local_session_t * ls); - uword unformat_application_proto (unformat_input_t * input, va_list * args); diff --git a/src/vnet/session/application_local.c b/src/vnet/session/application_local.c index 9e874ce536e..b5cac56130c 100644 --- a/src/vnet/session/application_local.c +++ b/src/vnet/session/application_local.c @@ -16,15 +16,6 @@ #include <vnet/session/application_local.h> #include <vnet/session/session.h> -typedef struct ct_connection_ -{ - transport_connection_t connection; - u32 client_wrk; - u32 server_wrk; - u32 transport_listener_index; - transport_proto_t actual_tp; -} ct_connection_t; - ct_connection_t *connections; ct_connection_t * @@ -56,9 +47,17 @@ ct_connection_free (ct_connection_t * ct) pool_put (connections, ct); } +session_t * +ct_session_get_peer (session_t * s) +{ + ct_connection_t *ct, *peer_ct; + ct = ct_connection_get (s->connection_index); + peer_ct = ct_connection_get (ct->peer_index); + return session_get (peer_ct->c_s_index, 0); +} + void -application_local_listener_session_endpoint (session_t * ll, - session_endpoint_t * sep) +ct_session_endpoint (session_t * ll, session_endpoint_t * sep) { ct_connection_t *ct; ct = (ct_connection_t *) session_get_transport (ll); @@ -67,184 +66,32 @@ application_local_listener_session_endpoint (session_t * ll, sep->is_ip4 = ct->c_is_ip4; } -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); -} - -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; -} - -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); -} - int -app_worker_local_session_cleanup (app_worker_t * client_wrk, - app_worker_t * server_wrk, - local_session_t * ls) +ct_session_connect_notify (session_t * ss) { 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; -} - -int -app_worker_local_session_connect_notify (local_session_t * ls) -{ - svm_fifo_segment_private_t *seg; - app_worker_t *client_wrk, *server_wrk; + ct_connection_t *sct, *cct; + app_worker_t *client_wrk; segment_manager_t *sm; - application_t *client; - int rv, is_fail = 0; u64 segment_handle; - u64 client_key; + int is_fail = 0; + session_t *cs; + u32 ss_index; - 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); + ss_index = ss->session_index; + sct = (ct_connection_t *) session_get_transport (ss); + client_wrk = app_worker_get (sct->client_wrk); - sm = app_worker_get_local_segment_manager_w_session (server_wrk, ls); - seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index); + sm = segment_manager_get (ss->rx_fifo->segment_manager); + seg = segment_manager_get_segment_w_lock (sm, ss->rx_fifo->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))) + + if (app_worker_add_segment_notify (client_wrk, segment_handle)) { clib_warning ("failed to notify client %u of new segment", - ls->client_wrk_index); + sct->client_wrk); segment_manager_segment_reader_unlock (sm); - app_worker_local_session_disconnect (ls->client_wrk_index, ls); + session_close (ss); is_fail = 1; } else @@ -252,17 +99,44 @@ app_worker_local_session_connect_notify (local_session_t * ls) segment_manager_segment_reader_unlock (sm); } - client->cb_fns.session_connected_callback (client_wrk->wrk_index, - ls->client_opaque, - (session_t *) ls, is_fail); + /* Alloc client session */ + cct = ct_connection_get (sct->peer_index); + + cs = session_alloc (0); + ss = session_get (ss_index, 0); + cs->session_type = ss->session_type; + cs->connection_index = sct->c_c_index; + cs->listener_index = SESSION_INVALID_INDEX; + cs->session_state = SESSION_STATE_CONNECTING; + cs->app_wrk_index = client_wrk->wrk_index; + cs->connection_index = cct->c_c_index; + + cct->c_s_index = cs->session_index; + + /* This will allocate fifos for the session. They won't be used for + * exchanging data but they will be used to close the connection if + * the segment manager/worker is freed */ + if (app_worker_init_connected (client_wrk, cs)) + { + session_close (ss); + return -1; + } + + if (app_worker_connect_notify (client_wrk, is_fail ? 0 : cs, + sct->client_opaque)) + { + session_close (ss); + return -1; + } + + cs = session_get (cct->c_s_index, 0); + cs->session_state = SESSION_STATE_READY; - client_key = application_client_local_connect_key (ls); - hash_set (client_wrk->local_connects, client_key, client_key); return 0; } static void -application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq) +ct_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq) { int fd; @@ -279,22 +153,19 @@ application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq) } int -app_worker_local_session_connect (app_worker_t * client_wrk, - app_worker_t * server_wrk, - session_t * ll, u32 opaque) +ct_init_local_session (app_worker_t * client_wrk, app_worker_t * server_wrk, + ct_connection_t * ct, session_t * ls, session_t * ll) { 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; + int seg_index, rv; - ls = app_worker_local_session_alloc (server_wrk); server = application_get (server_wrk->app_index); client = application_get (client_wrk->app_index); @@ -306,24 +177,7 @@ app_worker_local_session_connect (app_worker_t * client_wrk, 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 (ll); - if (!has_transport) - { - /* Local sessions don't have backing transport */ - transport_connection_t *tc; - tc = session_get_transport (ll); - ls->port = tc->lcl_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); - } - + sm = app_worker_get_listen_segment_manager (server_wrk, ll); seg_index = segment_manager_add_segment (sm, seg_size); if (seg_index < 0) { @@ -335,19 +189,20 @@ app_worker_local_session_connect (app_worker_t * client_wrk, cq = segment_manager_alloc_queue (seg, cprops); if (props->use_mq_eventfd) - application_local_session_fix_eventds (sq, cq); + ct_session_fix_eventds (sq, cq); - ls->server_evt_q = pointer_to_uword (sq); - ls->client_evt_q = pointer_to_uword (cq); + ct->server_evt_q = pointer_to_uword (sq); + ct->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); + 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; @@ -356,162 +211,107 @@ app_worker_local_session_connect (app_worker_t * client_wrk, 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))) + if ((rv = app_worker_add_segment_notify (server_wrk, 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); + ct->segment_handle = segment_handle; return 0; failed: - if (!has_transport) - segment_manager_del_segment (sm, seg); + segment_manager_del_segment (sm, seg); return rv; } int -app_worker_local_session_disconnect (u32 app_wrk_index, local_session_t * ls) +ct_connect (app_worker_t * client_wrk, session_t * ll, + session_endpoint_cfg_t * sep) { - app_worker_t *client_wrk, *server_wrk; + u32 cct_index, ll_index, ll_ct_index; + ct_connection_t *sct, *cct, *ll_ct; + app_worker_t *server_wrk; + session_t *ss; - client_wrk = app_worker_get_if_valid (ls->client_wrk_index); - server_wrk = app_worker_get (ls->app_wrk_index); + ll_index = ll->session_index; + ll_ct_index = ll->connection_index; - if (ls->session_state == SESSION_STATE_CLOSED) - return app_worker_local_session_cleanup (client_wrk, server_wrk, ls); + cct = ct_connection_alloc (); + cct_index = cct->c_c_index; + sct = ct_connection_alloc (); + ll_ct = ct_connection_get (ll_ct_index); - 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); - } - } + /* + * Alloc and init client transport + */ + cct = ct_connection_get (cct_index); + cct->c_thread_index = 0; + cct->c_rmt_port = sep->port; + cct->c_lcl_port = 0; + cct->c_is_ip4 = sep->is_ip4; + clib_memcpy (&cct->c_rmt_ip, &sep->ip, sizeof (sep->ip)); + cct->actual_tp = ll_ct->actual_tp; - ls->session_state = SESSION_STATE_CLOSED; + /* + * Init server transport + */ + sct->c_thread_index = 0; + sct->c_rmt_port = 0; + sct->c_lcl_port = ll_ct->c_lcl_port; + sct->c_is_ip4 = sep->is_ip4; + clib_memcpy (&sct->c_lcl_ip, &ll_ct->c_lcl_ip, sizeof (ll_ct->c_lcl_ip)); + sct->client_wrk = client_wrk->wrk_index; + sct->c_proto = TRANSPORT_PROTO_NONE; + sct->client_opaque = sep->opaque; + sct->actual_tp = ll_ct->actual_tp; + + sct->peer_index = cct->c_c_index; + cct->peer_index = sct->c_c_index; - return 0; -} + /* + * Accept server session. Client session is created only after + * server confirms accept. + */ + ss = session_alloc (0); + ll = listen_session_get (ll_index); + ss->session_type = ll->session_type; + ss->connection_index = sct->c_c_index; + ss->listener_index = ll->session_index; + ss->session_state = SESSION_STATE_CREATED; -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); -} + server_wrk = application_listener_select_worker (ll); + ss->app_wrk_index = server_wrk->wrk_index; -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; + sct->c_s_index = ss->session_index; + sct->server_wrk = ss->app_wrk_index; - /* Header */ - if (app_wrk == 0) + if (ct_init_local_session (client_wrk, server_wrk, sct, ss, ll)) { - vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp", - "ClientApp"); - return; + clib_warning ("failed"); + ct_connection_free (sct); + session_free (ss); + return -1; } - 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) + ss->session_state = SESSION_STATE_ACCEPTING; + if (app_worker_accept_notify (server_wrk, ss)) { - 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; + clib_warning ("failed"); + ct_connection_free (sct); + session_free_w_fifos (ss); + return -1; } - 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* */ + cct->client_evt_q = sct->client_evt_q; + cct->server_evt_q = sct->server_evt_q; + cct->segment_handle = sct->segment_handle; + + return 0; } u32 @@ -545,6 +345,96 @@ ct_listener_get (u32 ct_index) return (transport_connection_t *) ct_connection_get (ct_index); } +int +ct_session_connect (transport_endpoint_cfg_t * tep) +{ + session_endpoint_cfg_t *sep_ext; + session_endpoint_t *sep; + app_worker_t *app_wrk; + session_handle_t lh; + application_t *app; + app_listener_t *al; + u32 table_index; + session_t *ll; + u8 fib_proto; + + sep_ext = (session_endpoint_cfg_t *) tep; + sep = (session_endpoint_t *) tep; + app_wrk = app_worker_get (sep_ext->app_wrk_index); + app = application_get (app_wrk->app_index); + + sep->transport_proto = sep_ext->original_tp; + table_index = application_local_session_table (app); + lh = session_lookup_local_endpoint (table_index, sep); + if (lh == SESSION_DROP_HANDLE) + return VNET_API_ERROR_APP_CONNECT_FILTERED; + + if (lh == SESSION_INVALID_HANDLE) + goto global_scope; + + ll = listen_session_get_from_handle (lh); + al = app_listener_get_w_session (ll); + + /* + * Break loop if rule in local table points to connecting app. This + * can happen if client is a generic proxy. Route connect through + * global table instead. + */ + if (al->app_index == app->app_index) + goto global_scope; + + return ct_connect (app_wrk, ll, sep_ext); + + /* + * If nothing found, check the global scope for locally attached + * destinations. Make sure first that we're allowed to. + */ + +global_scope: + if (session_endpoint_is_local (sep)) + return VNET_API_ERROR_SESSION_CONNECT; + + if (!application_has_global_scope (app)) + return VNET_API_ERROR_APP_CONNECT_SCOPE; + + fib_proto = session_endpoint_fib_proto (sep); + table_index = application_session_table (app, fib_proto); + ll = session_lookup_listener (table_index, sep); + + if (ll) + return ct_connect (app_wrk, ll, sep_ext); + + /* Failed to connect but no error */ + return 1; +} + +void +ct_session_close (u32 ct_index, u32 thread_index) +{ + ct_connection_t *ct, *peer_ct; + session_t *s; + + ct = ct_connection_get (ct_index); + peer_ct = ct_connection_get (ct->peer_index); + if (peer_ct) + { + peer_ct->peer_index = ~0; + session_transport_closing_notify (&peer_ct->connection); + } + + s = session_get (ct->c_s_index, 0); + app_worker_del_segment_notify (app_worker_get (s->app_wrk_index), + ct->segment_handle); + session_free_w_fifos (s); + ct_connection_free (ct); +} + +transport_connection_t * +ct_session_get (u32 ct_index, u32 thread_index) +{ + return (transport_connection_t *) ct_connection_get (ct_index); +} + static u8 * format_ct_connection_id (u8 * s, va_list * args) { @@ -583,14 +473,57 @@ format_ct_listener (u8 * s, va_list * args) return s; } +u8 * +format_ct_connection (u8 * s, va_list * args) +{ + ct_connection_t *ct = va_arg (*args, ct_connection_t *); + u32 verbose = va_arg (*args, u32); + + if (!ct) + return s; + s = format (s, "%-50U", format_ct_connection_id, ct); + if (verbose) + { + s = format (s, "%-15s", "ESTABLISHED"); + if (verbose > 1) + { + s = format (s, "\n"); + } + } + return s; +} + +u8 * +format_ct_session (u8 * s, va_list * args) +{ + u32 ct_index = va_arg (*args, u32); + u32 __clib_unused thread_index = va_arg (*args, u32); + u32 verbose = va_arg (*args, u32); + ct_connection_t *ct; + + ct = ct_connection_get (ct_index); + if (!ct) + { + s = format (s, "empty\n"); + return s; + } + + s = format (s, "%U", format_ct_connection, ct, verbose); + return s; +} + /* *INDENT-OFF* */ const static transport_proto_vft_t cut_thru_proto = { .start_listen = ct_start_listen, .stop_listen = ct_stop_listen, .get_listener = ct_listener_get, + .connect = ct_session_connect, + .close = ct_session_close, + .get_connection = ct_session_get, .tx_type = TRANSPORT_TX_INTERNAL, .service_type = TRANSPORT_SERVICE_APP, .format_listener = format_ct_listener, + .format_connection = format_ct_session, }; /* *INDENT-ON* */ diff --git a/src/vnet/session/application_local.h b/src/vnet/session/application_local.h index d54b5ebdb6a..5d6e6c1ec7b 100644 --- a/src/vnet/session/application_local.h +++ b/src/vnet/session/application_local.h @@ -18,46 +18,25 @@ #define SRC_VNET_SESSION_APPLICATION_LOCAL_H_ #include <vnet/session/application.h> +#include <vnet/session/transport.h> -local_session_t *application_local_listen_session_alloc (application_t * app); -void application_local_listener_session_endpoint (session_t * ll, - session_endpoint_t * sep); - -local_session_t *app_worker_local_session_alloc (app_worker_t * app_wrk); -void app_worker_local_session_free (app_worker_t * app_wrk, - local_session_t * s); -local_session_t *app_worker_get_local_session (app_worker_t * app_wrk, - u32 session_index); -local_session_t *app_worker_get_local_session_from_handle (session_handle_t - handle); - -void app_worker_local_sessions_free (app_worker_t * app_wrk); -int app_worker_local_session_cleanup (app_worker_t * client_wrk, - app_worker_t * server_wrk, - local_session_t * ls); - -int app_worker_local_session_connect_notify (local_session_t * ls); -int app_worker_local_session_connect (app_worker_t * client, - app_worker_t * server, - session_t * ls, u32 opaque); -int app_worker_local_session_disconnect (u32 app_or_wrk, - local_session_t * ls); -int app_worker_local_session_disconnect_w_index (u32 app_or_wrk, - u32 ls_index); - -void app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose); -void app_worker_format_local_connects (app_worker_t * app, int verbose); - -void mq_send_local_session_disconnected_cb (u32 app_or_wrk, - local_session_t * ls); - -always_inline u8 -application_local_session_listener_has_transport (local_session_t * ls) +typedef struct ct_connection_ { - transport_proto_t tp; - tp = session_type_transport_proto (ls->listener_session_type); - return (tp != TRANSPORT_PROTO_NONE); -} + transport_connection_t connection; + u32 client_wrk; + u32 server_wrk; + u32 transport_listener_index; + transport_proto_t actual_tp; + u64 server_evt_q; + u64 client_evt_q; + u32 client_opaque; + u32 peer_index; + u64 segment_handle; +} ct_connection_t; + +session_t *ct_session_get_peer (session_t * s); +void ct_session_endpoint (session_t * ll, session_endpoint_t * sep); +int ct_session_connect_notify (session_t * ls); #endif /* SRC_VNET_SESSION_APPLICATION_LOCAL_H_ */ diff --git a/src/vnet/session/application_worker.c b/src/vnet/session/application_worker.c index 51ebe1c08e6..d02149dc58f 100644 --- a/src/vnet/session/application_worker.c +++ b/src/vnet/session/application_worker.c @@ -15,7 +15,6 @@ #include <vnet/session/application.h> #include <vnet/session/application_interface.h> -#include <vnet/session/application_local.h> #include <vnet/session/session.h> /** @@ -34,7 +33,6 @@ app_worker_alloc (application_t * app) 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; } @@ -113,11 +111,6 @@ app_worker_free (app_worker_t * app_wrk) segment_manager_del (sm); } - /* - * Local sessions - */ - app_worker_local_sessions_free (app_wrk); - pool_put (app_workers, app_wrk); if (CLIB_DEBUG) clib_memset (app_wrk, 0xfe, sizeof (*app_wrk)); @@ -227,12 +220,35 @@ app_worker_start_listen (app_worker_t * app_wrk, return 0; } -int -app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al) +static void +app_worker_stop_listen_session (app_worker_t * app_wrk, session_t * ls) { session_handle_t handle; segment_manager_t *sm; uword *sm_indexp; + + handle = listen_session_get_handle (ls); + sm_indexp = hash_get (app_wrk->listeners_table, handle); + if (PREDICT_FALSE (!sm_indexp)) + return; + + sm = segment_manager_get (*sm_indexp); + if (app_wrk->first_segment_manager == *sm_indexp) + { + /* Delete sessions but don't remove segment manager */ + app_wrk->first_segment_manager_in_use = 0; + segment_manager_del_sessions (sm); + } + else + { + segment_manager_init_del (sm); + } + hash_unset (app_wrk->listeners_table, handle); +} + +int +app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al) +{ session_t *ls; if (!clib_bitmap_get (al->workers, app_wrk->wrk_map_index)) @@ -241,58 +257,13 @@ app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al) if (al->session_index != SESSION_INVALID_INDEX) { ls = listen_session_get (al->session_index); - handle = listen_session_get_handle (ls); - - sm_indexp = hash_get (app_wrk->listeners_table, handle); - if (PREDICT_FALSE (!sm_indexp)) - { - clib_warning ("listener handle was removed %llu!", handle); - return -1; - } - - sm = segment_manager_get (*sm_indexp); - if (app_wrk->first_segment_manager == *sm_indexp) - { - /* Delete sessions but don't remove segment manager */ - app_wrk->first_segment_manager_in_use = 0; - segment_manager_del_sessions (sm); - } - else - { - segment_manager_init_del (sm); - } - hash_unset (app_wrk->listeners_table, handle); + app_worker_stop_listen_session (app_wrk, ls); } if (al->local_index != SESSION_INVALID_INDEX) { - local_session_t *local; ls = listen_session_get (al->local_index); - handle = listen_session_get_handle (ls); - - /* *INDENT-OFF* */ - pool_foreach (local, app_wrk->local_sessions, ({ - if (local->listener_index == ls->session_index) - app_worker_local_session_disconnect (app_wrk->wrk_index, local); - })); - /* *INDENT-ON* */ - - sm_indexp = hash_get (app_wrk->listeners_table, handle); - if (PREDICT_FALSE (!sm_indexp)) - return -1; - - sm = segment_manager_get (*sm_indexp); - if (app_wrk->first_segment_manager == *sm_indexp) - { - /* Delete sessions but don't remove segment manager */ - app_wrk->first_segment_manager_in_use = 0; - segment_manager_del_sessions (sm); - } - else - { - segment_manager_init_del (sm); - } - hash_unset (app_wrk->listeners_table, handle); + app_worker_stop_listen_session (app_wrk, ls); } clib_bitmap_set_no_check (al->workers, app_wrk->wrk_map_index, 0); @@ -312,8 +283,12 @@ app_worker_init_accepted (session_t * s) listener = listen_session_get (s->listener_index); app_wrk = application_listener_select_worker (listener); s->app_wrk_index = app_wrk->wrk_index; + sm = app_worker_get_listen_segment_manager (app_wrk, listener); - return app_worker_alloc_session_fifos (sm, s); + if (app_worker_alloc_session_fifos (sm, s)) + return -1; + + return 0; } int @@ -499,14 +474,21 @@ app_worker_proxy_listener (app_worker_t * app_wrk, u8 fib_proto, * Send an API message to the external app, to map new segment */ int -app_worker_add_segment_notify (u32 app_wrk_index, u64 segment_handle) +app_worker_add_segment_notify (app_worker_t * app_wrk, u64 segment_handle) { - app_worker_t *app_wrk = app_worker_get (app_wrk_index); application_t *app = application_get (app_wrk->app_index); return app->cb_fns.add_segment_callback (app_wrk->api_client_index, segment_handle); } +int +app_worker_del_segment_notify (app_worker_t * app_wrk, u64 segment_handle) +{ + application_t *app = application_get (app_wrk->app_index); + return app->cb_fns.del_segment_callback (app_wrk->api_client_index, + segment_handle); +} + u8 app_worker_application_is_builtin (app_worker_t * app_wrk) { @@ -660,25 +642,6 @@ app_worker_lock_and_send_event (app_worker_t * app, session_t * s, return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ ); } -segment_manager_t * -app_worker_get_local_segment_manager (app_worker_t * app_worker) -{ - return segment_manager_get (app_worker->local_segment_manager); -} - -segment_manager_t * -app_worker_get_local_segment_manager_w_session (app_worker_t * app_wrk, - local_session_t * ls) -{ - 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_wrk, listener); - } - return segment_manager_get (app_wrk->local_segment_manager); -} - u8 * format_app_worker_listener (u8 * s, va_list * args) { diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c index 8e6c2818a20..63af299e9a8 100644 --- a/src/vnet/session/segment_manager.c +++ b/src/vnet/session/segment_manager.c @@ -16,7 +16,6 @@ #include <vnet/session/segment_manager.h> #include <vnet/session/session.h> #include <vnet/session/application.h> -#include <vnet/session/application_local.h> segment_manager_main_t segment_manager_main; @@ -380,6 +379,7 @@ void segment_manager_del_sessions (segment_manager_t * sm) { svm_fifo_segment_private_t *fifo_segment; + session_handle_t *handles = 0, *handle; session_t *session; svm_fifo_t *fifo; @@ -398,16 +398,11 @@ segment_manager_del_sessions (segment_manager_t * sm) while (fifo) { if (fifo->ct_session_index != SVM_FIFO_INVALID_SESSION_INDEX) - { - svm_fifo_t *next = fifo->next; - app_worker_local_session_disconnect_w_index (sm->app_wrk_index, - fifo->ct_session_index); - fifo = next; - continue; - } - session = session_get (fifo->master_session_index, - fifo->master_thread_index); - session_close (session); + session = session_get (fifo->ct_session_index, 0); + else + session = session_get (fifo->master_session_index, + fifo->master_thread_index); + vec_add1 (handles, session_handle (session)); fifo = fifo->next; } @@ -416,6 +411,9 @@ segment_manager_del_sessions (segment_manager_t * sm) */ })); /* *INDENT-ON* */ + + vec_foreach (handle, handles) + session_close (session_get_from_handle (*handle)); } /** @@ -553,9 +551,10 @@ alloc_check: if (added_a_segment) { + app_worker_t *app_wrk; segment_handle = segment_manager_segment_handle (sm, fifo_segment); - rv = app_worker_add_segment_notify (sm->app_wrk_index, - segment_handle); + app_wrk = app_worker_get (sm->app_wrk_index); + rv = app_worker_add_segment_notify (app_wrk, segment_handle); } /* Drop the lock after app is notified */ segment_manager_segment_reader_unlock (sm); diff --git a/src/vnet/session/session.c b/src/vnet/session/session.c index 110db2c2a4a..36aadcb7c40 100644 --- a/src/vnet/session/session.c +++ b/src/vnet/session/session.c @@ -123,6 +123,13 @@ session_program_transport_close (session_t * s) session_manager_worker_t *wrk; session_event_t *evt; + if (!session_has_transport (s)) + { + /* Polling may not be enabled on main thread so close now */ + session_transport_close (s); + return; + } + /* If we are in the handler thread, or being called with the worker barrier * held, just append a new event to pending disconnects vector. */ if (vlib_thread_is_main_w_barrier () || thread_index == s->thread_index) diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c index cf5a5cd7fd1..81654e426b5 100755 --- a/src/vnet/session/session_api.c +++ b/src/vnet/session/session_api.c @@ -252,15 +252,16 @@ send_session_accept_callback (session_t * s) } else { - local_session_t *ls = (local_session_t *) s; - listener = listen_session_get (ls->listener_index); + ct_connection_t *ct; + ct = (ct_connection_t *) session_get_transport (s); + listener = listen_session_get (s->listener_index); al = app_listener_get (server, listener->al_index); mp->listener_handle = app_listener_handle (al); mp->is_ip4 = session_type_is_ip4 (listener->session_type); - mp->handle = application_local_session_handle (ls); - mp->port = ls->port; - mp->vpp_event_queue_address = ls->client_evt_q; - mp->server_event_queue_address = ls->server_evt_q; + mp->handle = session_handle (s); + mp->port = ct->c_rmt_port; + mp->vpp_event_queue_address = ct->client_evt_q; + mp->server_event_queue_address = ct->server_evt_q; } vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp); @@ -355,11 +356,12 @@ send_session_connected_callback (u32 app_wrk_index, u32 api_context, } else { - local_session_t *ls = (local_session_t *) s; - mp->handle = application_local_session_handle (ls); - mp->lcl_port = ls->port; - mp->vpp_event_queue_address = ls->server_evt_q; - mp->client_event_queue_address = ls->client_evt_q; + ct_connection_t *ct; + ct = (ct_connection_t *) session_get_transport (s); + mp->handle = session_handle (s); + mp->lcl_port = ct->c_lcl_port; + mp->vpp_event_queue_address = ct->server_evt_q; + mp->client_event_queue_address = ct->client_evt_q; mp->server_rx_fifo = pointer_to_uword (s->tx_fifo); mp->server_tx_fifo = pointer_to_uword (s->rx_fifo); } @@ -451,24 +453,25 @@ mq_send_session_accepted_cb (session_t * s) } else { - local_session_t *ls = (local_session_t *) s; u8 main_thread = vlib_num_workers ()? 1 : 0; + ct_connection_t *ct; + ct = (ct_connection_t *) session_get_transport (s); send_app_cut_through_registration_add (app_wrk->api_client_index, app_wrk->wrk_map_index, - ls->server_evt_q, - ls->client_evt_q); + ct->server_evt_q, + ct->client_evt_q); - listener = listen_session_get (ls->listener_index); + listener = listen_session_get (s->listener_index); al = app_listener_get (app, listener->al_index); mp->listener_handle = app_listener_handle (al); mp->is_ip4 = session_type_is_ip4 (listener->session_type); - mp->handle = application_local_session_handle (ls); - mp->port = ls->port; + mp->handle = session_handle (s); + mp->port = ct->c_rmt_port; vpp_queue = session_manager_get_vpp_event_queue (main_thread); mp->vpp_event_queue_address = pointer_to_uword (vpp_queue); - mp->client_event_queue_address = ls->client_evt_q; - mp->server_event_queue_address = ls->server_evt_q; + mp->client_event_queue_address = ct->client_evt_q; + mp->server_event_queue_address = ct->server_evt_q; } svm_msg_q_add_and_unlock (app_mq, msg); @@ -530,20 +533,6 @@ mq_send_session_disconnected_cb (session_t * s) SESSION_CTRL_EVT_DISCONNECTED); } -void -mq_send_local_session_disconnected_cb (u32 app_wrk_index, - local_session_t * ls) -{ - app_worker_t *app_wrk = app_worker_get (app_wrk_index); - session_handle_t sh = application_local_session_handle (ls); - - mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED); - - if (svm_fifo_n_subscribers (ls->rx_fifo)) - mq_notify_close_subscribers (app_wrk->app_index, sh, ls->rx_fifo, - SESSION_CTRL_EVT_DISCONNECTED); -} - static void mq_send_session_reset_cb (session_t * s) { @@ -590,8 +579,6 @@ mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context, if (is_fail) goto done; - mp->segment_handle = session_segment_handle (s); - if (session_has_transport (s)) { tc = session_get_transport (s); @@ -609,25 +596,30 @@ mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context, mp->lcl_port = tc->lcl_port; mp->server_rx_fifo = pointer_to_uword (s->rx_fifo); mp->server_tx_fifo = pointer_to_uword (s->tx_fifo); + mp->segment_handle = session_segment_handle (s); } else { - local_session_t *ls = (local_session_t *) s; u8 main_thread = vlib_num_workers ()? 1 : 0; + ct_connection_t *cct; + session_t *ss; + cct = (ct_connection_t *) session_get_transport (s); send_app_cut_through_registration_add (app_wrk->api_client_index, app_wrk->wrk_map_index, - ls->client_evt_q, - ls->server_evt_q); + cct->client_evt_q, + cct->server_evt_q); - mp->handle = application_local_session_handle (ls); - mp->lcl_port = ls->port; + mp->handle = session_handle (s); + mp->lcl_port = cct->c_lcl_port; vpp_mq = session_manager_get_vpp_event_queue (main_thread); mp->vpp_event_queue_address = pointer_to_uword (vpp_mq); - mp->client_event_queue_address = ls->client_evt_q; - mp->server_event_queue_address = ls->server_evt_q; - mp->server_rx_fifo = pointer_to_uword (s->tx_fifo); - mp->server_tx_fifo = pointer_to_uword (s->rx_fifo); + mp->client_event_queue_address = cct->client_evt_q; + mp->server_event_queue_address = cct->server_evt_q; + ss = ct_session_get_peer (s); + mp->server_rx_fifo = pointer_to_uword (ss->tx_fifo); + mp->server_tx_fifo = pointer_to_uword (ss->rx_fifo); + mp->segment_handle = session_segment_handle (ss); } done: @@ -686,7 +678,7 @@ mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context, vpp_evt_q = session_manager_get_vpp_event_queue (0); mp->vpp_evt_q = pointer_to_uword (vpp_evt_q); - if (ls && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL) + if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL) { mp->rx_fifo = pointer_to_uword (ls->rx_fifo); mp->tx_fifo = pointer_to_uword (ls->tx_fifo); @@ -1087,7 +1079,6 @@ static void vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp) { vnet_disconnect_args_t _a = { 0 }, *a = &_a; - local_session_t *ls; session_t *s; /* Server isn't interested, kill the session */ @@ -1099,34 +1090,21 @@ vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp) return; } - if (session_handle_is_local (mp->handle)) + s = session_get_from_handle_if_valid (mp->handle); + if (!s) { - ls = app_worker_get_local_session_from_handle (mp->handle); - if (!ls || ls->app_wrk_index != mp->context) - { - clib_warning ("server %u doesn't own local handle %llu", - mp->context, mp->handle); - return; - } - if (app_worker_local_session_connect_notify (ls)) - return; - ls->session_state = SESSION_STATE_READY; + clib_warning ("session doesn't exist"); + return; } - else + if (s->app_wrk_index != mp->context) { - s = session_get_from_handle_if_valid (mp->handle); - if (!s) - { - clib_warning ("session doesn't exist"); - return; - } - if (s->app_wrk_index != mp->context) - { - clib_warning ("app doesn't own session"); - return; - } - s->session_state = SESSION_STATE_READY; + clib_warning ("app doesn't own session"); + return; } + s->session_state = SESSION_STATE_READY; + + if (!session_has_transport (s)) + ct_session_connect_notify (s); } static void diff --git a/src/vnet/session/session_lookup.c b/src/vnet/session/session_lookup.c index 854da7fdd3c..d7e932a96e4 100644 --- a/src/vnet/session/session_lookup.c +++ b/src/vnet/session/session_lookup.c @@ -1304,7 +1304,7 @@ u8 * format_ip4_session_lookup_kvp (u8 * s, va_list * args) { clib_bihash_kv_16_8_t *kvp = va_arg (*args, clib_bihash_kv_16_8_t *); - u32 is_local = va_arg (*args, u32), app_wrk_index, session_index; + u32 is_local = va_arg (*args, u32); v4_connection_key_t *key = (v4_connection_key_t *) kvp->key; session_t *session; app_worker_t *app_wrk; @@ -1324,8 +1324,8 @@ format_ip4_session_lookup_kvp (u8 * s, va_list * args) } else { - local_session_parse_handle (kvp->value, &app_wrk_index, &session_index); - app_wrk = app_worker_get (app_wrk_index); + session = session_get_from_handle (kvp->value); + app_wrk = app_worker_get (session->app_wrk_index); app_name = application_name_from_index (app_wrk->app_index); str = format (0, "[%U] %U:%d", format_transport_proto_short, key->proto, format_ip4_address, &key->src, diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c index 7855bf8c56d..e6309429194 100644 --- a/src/vnet/session/session_node.c +++ b/src/vnet/session/session_node.c @@ -25,6 +25,14 @@ #include <vnet/session/session_debug.h> #include <svm/queue.h> +static void session_mq_accepted_reply_handler (void *data); + +static void +accepted_notify_cb (void *data, u32 data_len) +{ + session_mq_accepted_reply_handler (data); +} + static void session_mq_accepted_reply_handler (void *data) { @@ -32,7 +40,6 @@ session_mq_accepted_reply_handler (void *data) vnet_disconnect_args_t _a = { 0 }, *a = &_a; session_state_t old_state; app_worker_t *app_wrk; - local_session_t *ls; session_t *s; /* Server isn't interested, kill the session */ @@ -44,38 +51,35 @@ session_mq_accepted_reply_handler (void *data) return; } - if (session_handle_is_local (mp->handle)) + /* Mail this back from the main thread. We're not polling in main + * thread so we're using other workers for notifications. */ + if (vlib_num_workers () && vlib_get_thread_index () != 0 + && session_thread_from_handle (mp->handle) == 0) { - ls = app_worker_get_local_session_from_handle (mp->handle); - if (!ls) - { - clib_warning ("unknown local handle 0x%lx", mp->handle); - return; - } - app_wrk = app_worker_get (ls->app_wrk_index); - if (app_wrk->app_index != mp->context) - { - clib_warning ("server %u doesn't own local handle 0x%lx", - mp->context, mp->handle); - return; - } - if (app_worker_local_session_connect_notify (ls)) + vl_api_rpc_call_main_thread (accepted_notify_cb, data, + sizeof (session_accepted_reply_msg_t)); + return; + } + + s = session_get_from_handle_if_valid (mp->handle); + if (!s) + return; + + app_wrk = app_worker_get (s->app_wrk_index); + if (app_wrk->app_index != mp->context) + { + clib_warning ("app doesn't own session"); + return; + } + + if (!session_has_transport (s)) + { + if (ct_session_connect_notify (s)) return; - ls->session_state = SESSION_STATE_READY; + s->session_state = SESSION_STATE_READY; } else { - s = session_get_from_handle_if_valid (mp->handle); - if (!s) - return; - - app_wrk = app_worker_get (s->app_wrk_index); - if (app_wrk->app_index != mp->context) - { - clib_warning ("app doesn't own session"); - return; - } - old_state = s->session_state; s->session_state = SESSION_STATE_READY; if (!svm_fifo_is_empty (s->rx_fifo)) diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h index 3709445ccac..7f1acdd5bf4 100644 --- a/src/vnet/session/session_types.h +++ b/src/vnet/session/session_types.h @@ -19,7 +19,6 @@ #include <svm/svm_fifo.h> #include <vnet/session/transport_types.h> -#define SESSION_LOCAL_HANDLE_PREFIX 0x7FFFFFFF #define SESSION_LISTENER_PREFIX 0x5FFFFFFF #define foreach_session_endpoint_fields \ @@ -41,6 +40,7 @@ typedef struct _session_endpoint_cfg u32 app_wrk_index; u32 opaque; u32 ns_index; + u8 original_tp; u8 *hostname; } session_endpoint_cfg_t; @@ -275,111 +275,6 @@ session_parse_handle (session_handle_t handle, u32 * index, *thread_index = session_thread_from_handle (handle); } -always_inline u8 -session_handle_is_local (session_handle_t handle) -{ - if ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX) - return 1; - return 0; -} - -typedef struct local_session_ -{ - /** fifo pointers. Once allocated, these do not move */ - svm_fifo_t *rx_fifo; - svm_fifo_t *tx_fifo; - - /** Type */ - session_type_t session_type; - - /** State */ - volatile u8 session_state; - - /** Session index */ - u32 session_index; - - /** Server index */ - u32 app_wrk_index; - - /** Port for connection. Overlaps thread_index/enqueue_epoch */ - u16 port; - - /** Partly overlaps enqueue_epoch */ - u8 pad_epoch[7]; - - /** Segment index where fifos were allocated */ - u32 svm_segment_index; - - /** Transport listener index. Overlaps connection index */ - u32 transport_listener_index; - - union - { - u32 listener_index; - u32 app_index; - }; - - u32 al_index; - - /** Has transport embedded when listener not purely local */ - session_type_t listener_session_type; - - /** - * Client data - */ - u32 client_wrk_index; - u32 client_opaque; - - u64 server_evt_q; - u64 client_evt_q; - - CLIB_CACHE_LINE_ALIGN_MARK (pad); -} local_session_t; - -always_inline u32 -local_session_id (local_session_t * ls) -{ - ASSERT (ls->session_index < (2 << 16)); - u32 app_or_wrk_index; - - if (ls->session_state == SESSION_STATE_LISTENING) - { - ASSERT (ls->app_index < (2 << 16)); - app_or_wrk_index = ls->app_index; - } - else - { - ASSERT (ls->app_wrk_index < (2 << 16)); - app_or_wrk_index = ls->app_wrk_index; - } - - return ((u32) app_or_wrk_index << 16 | (u32) ls->session_index); -} - -always_inline void -local_session_parse_id (u32 ls_id, u32 * app_or_wrk, u32 * session_index) -{ - *app_or_wrk = ls_id >> 16; - *session_index = ls_id & 0xFF; -} - -always_inline void -local_session_parse_handle (session_handle_t handle, u32 * app_or_wrk_index, - u32 * session_index) -{ - u32 bottom; - ASSERT (((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX)); - bottom = (handle & 0xFFFFFFFF); - local_session_parse_id (bottom, app_or_wrk_index, session_index); -} - -always_inline session_handle_t -application_local_session_handle (local_session_t * ls) -{ - return ((u64) SESSION_LOCAL_HANDLE_PREFIX << 32) - | (u64) local_session_id (ls); -} - typedef enum { FIFO_EVENT_APP_RX, |