X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_api.c;h=780c765cca5555673e422193a89e2783f02ca98e;hb=a04ebb88e5fd726a9d343cc288c1858e69cf7872;hp=c4be556f63757ba85b55ba971c12f8a078dcb285;hpb=31c9955a4e83578422b3328ef0d7b2b248536644;p=vpp.git diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c index c4be556f637..780c765cca5 100755 --- a/src/vnet/session/session_api.c +++ b/src/vnet/session/session_api.c @@ -49,8 +49,6 @@ _(UNBIND_URI, unbind_uri) \ _(CONNECT_URI, connect_uri) \ _(DISCONNECT_SESSION, disconnect_session) \ _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ -_(ACCEPT_SESSION_REPLY, accept_session_reply) \ -_(RESET_SESSION_REPLY, reset_session_reply) \ _(BIND_SOCK, bind_sock) \ _(UNBIND_SOCK, unbind_sock) \ _(CONNECT_SOCK, connect_sock) \ @@ -151,237 +149,6 @@ send_del_segment_callback (u32 api_client_index, u64 segment_handle) return 0; } -static int -send_app_cut_through_registration_add (u32 api_client_index, - u32 wrk_map_index, u64 mq_addr, - u64 peer_mq_addr) -{ - vl_api_app_cut_through_registration_add_t *mp; - vl_api_registration_t *reg; - svm_msg_q_t *mq, *peer_mq; - int fds[2]; - - reg = vl_mem_api_client_index_to_registration (api_client_index); - if (!reg) - { - clib_warning ("no registration: %u", api_client_index); - return -1; - } - - mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp)); - clib_memset (mp, 0, sizeof (*mp)); - mp->_vl_msg_id = - clib_host_to_net_u16 (VL_API_APP_CUT_THROUGH_REGISTRATION_ADD); - - mp->evt_q_address = mq_addr; - mp->peer_evt_q_address = peer_mq_addr; - mp->wrk_index = wrk_map_index; - - mq = uword_to_pointer (mq_addr, svm_msg_q_t *); - peer_mq = uword_to_pointer (peer_mq_addr, svm_msg_q_t *); - - if (svm_msg_q_get_producer_eventfd (mq) != -1) - { - mp->fd_flags |= SESSION_FD_F_MQ_EVENTFD; - mp->n_fds = 2; - /* app will overwrite exactly the fds we pass here. So - * when we swap mq with peer_mq (accept vs connect) the - * fds will still be valid */ - fds[0] = svm_msg_q_get_consumer_eventfd (mq); - fds[1] = svm_msg_q_get_producer_eventfd (peer_mq); - } - - vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp); - - if (mp->n_fds != 0) - session_send_fds (reg, fds, mp->n_fds); - - return 0; -} - -static int -send_session_accept_callback (session_t * s) -{ - app_worker_t *server_wrk = app_worker_get (s->app_wrk_index); - vl_api_accept_session_t *mp; - vl_api_registration_t *reg; - transport_connection_t *tc; - session_t *listener; - svm_msg_q_t *vpp_queue; - application_t *server; - app_listener_t *al; - - server = application_get (server_wrk->app_index); - reg = - vl_mem_api_client_index_to_registration (server_wrk->api_client_index); - if (!reg) - { - clib_warning ("no registration: %u", server_wrk->api_client_index); - return -1; - } - - mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp)); - clib_memset (mp, 0, sizeof (*mp)); - - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_ACCEPT_SESSION); - mp->context = server_wrk->wrk_index; - mp->server_rx_fifo = pointer_to_uword (s->rx_fifo); - mp->server_tx_fifo = pointer_to_uword (s->tx_fifo); - - if (session_has_transport (s)) - { - listener = listen_session_get (s->listener_index); - al = app_listener_get (server, listener->al_index); - mp->listener_handle = app_listener_handle (al); - if (application_is_proxy (server)) - { - listener = - app_worker_first_listener (server_wrk, session_get_fib_proto (s), - session_get_transport_proto (s)); - if (listener) - mp->listener_handle = listen_session_get_handle (listener); - } - vpp_queue = session_main_get_vpp_event_queue (s->thread_index); - mp->vpp_event_queue_address = pointer_to_uword (vpp_queue); - mp->handle = session_handle (s); - tc = transport_get_connection (session_get_transport_proto (s), - s->connection_index, s->thread_index); - mp->port = tc->rmt_port; - mp->is_ip4 = tc->is_ip4; - clib_memcpy_fast (&mp->ip, &tc->rmt_ip, sizeof (tc->rmt_ip)); - } - else - { - 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 = 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); - - return 0; -} - -static void -send_session_disconnect_callback (session_t * s) -{ - app_worker_t *app_wrk = app_worker_get (s->app_wrk_index); - vl_api_disconnect_session_t *mp; - vl_api_registration_t *reg; - - reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index); - if (!reg) - { - clib_warning ("no registration: %u", app_wrk->api_client_index); - return; - } - - mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp)); - clib_memset (mp, 0, sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_DISCONNECT_SESSION); - mp->handle = session_handle (s); - mp->context = app_wrk->api_client_index; - vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp); -} - -static void -send_session_reset_callback (session_t * s) -{ - app_worker_t *app_wrk = app_worker_get (s->app_wrk_index); - vl_api_registration_t *reg; - vl_api_reset_session_t *mp; - - reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index); - if (!reg) - { - clib_warning ("no registration: %u", app_wrk->api_client_index); - return; - } - - mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp)); - clib_memset (mp, 0, sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_RESET_SESSION); - mp->handle = session_handle (s); - vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp); -} - -int -send_session_connected_callback (u32 app_wrk_index, u32 api_context, - session_t * s, u8 is_fail) -{ - vl_api_connect_session_reply_t *mp; - transport_connection_t *tc; - vl_api_registration_t *reg; - svm_msg_q_t *vpp_queue; - app_worker_t *app_wrk; - - app_wrk = app_worker_get (app_wrk_index); - reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index); - if (!reg) - { - clib_warning ("no registration: %u", app_wrk->api_client_index); - return -1; - } - - mp = vl_mem_api_alloc_as_if_client_w_reg (reg, sizeof (*mp)); - mp->_vl_msg_id = clib_host_to_net_u16 (VL_API_CONNECT_SESSION_REPLY); - mp->context = api_context; - - if (is_fail) - goto done; - - if (session_has_transport (s)) - { - tc = session_get_transport (s); - if (!tc) - { - is_fail = 1; - goto done; - } - - vpp_queue = session_main_get_vpp_event_queue (s->thread_index); - mp->handle = session_handle (s); - mp->vpp_event_queue_address = pointer_to_uword (vpp_queue); - clib_memcpy_fast (mp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip)); - mp->is_ip4 = tc->is_ip4; - 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); - } - else - { - 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); - } - -done: - mp->retval = is_fail ? - clib_host_to_net_u32 (VNET_API_ERROR_SESSION_CONNECT) : 0; - vl_msg_api_send_shmem (reg->vl_input_queue, (u8 *) & mp); - return 0; -} - -static session_cb_vft_t session_cb_vft = { - .session_accept_callback = send_session_accept_callback, - .session_disconnect_callback = send_session_disconnect_callback, - .session_connected_callback = send_session_connected_callback, - .session_reset_callback = send_session_reset_callback, - .add_segment_callback = send_add_segment_callback, - .del_segment_callback = send_del_segment_callback, -}; - static int mq_try_lock_and_alloc_msg (svm_msg_q_t * app_mq, svm_msg_q_msg_t * msg) { @@ -453,25 +220,17 @@ mq_send_session_accepted_cb (session_t * s) } else { - 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, - ct->server_evt_q, - ct->client_evt_q); - 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 = session_handle (s); mp->port = ct->c_rmt_port; - vpp_queue = session_main_get_vpp_event_queue (main_thread); + vpp_queue = session_main_get_vpp_event_queue (0); mp->vpp_event_queue_address = pointer_to_uword (vpp_queue); - 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); @@ -600,26 +359,22 @@ mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context, } else { - 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, - cct->client_evt_q, - cct->server_evt_q); - mp->handle = session_handle (s); mp->lcl_port = cct->c_lcl_port; - vpp_mq = session_main_get_vpp_event_queue (main_thread); + mp->is_ip4 = cct->c_is_ip4; + vpp_mq = session_main_get_vpp_event_queue (0); mp->vpp_event_queue_address = pointer_to_uword (vpp_mq); - mp->client_event_queue_address = cct->client_evt_q; - mp->server_event_queue_address = cct->server_evt_q; + 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); 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); + mp->ct_rx_fifo = pointer_to_uword (ss->tx_fifo); + mp->ct_tx_fifo = pointer_to_uword (ss->rx_fifo); + mp->ct_segment_handle = session_segment_handle (ss); } done: @@ -737,12 +492,7 @@ vl_api_application_attach_t_handler (vl_api_application_attach_t * mp) clib_memset (a, 0, sizeof (*a)); a->api_client_index = mp->client_index; a->options = mp->options; - - if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS) - a->session_cb_vft = &session_mq_cb_vft; - else - a->session_cb_vft = &session_cb_vft; - + a->session_cb_vft = &session_mq_cb_vft; if (mp->namespace_id_len > 64) { rv = VNET_API_ERROR_INVALID_VALUE; @@ -841,12 +591,9 @@ done: static void vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp) { - transport_connection_t *tc = 0; - vnet_listen_args_t _a, *a = &_a; vl_api_bind_uri_reply_t *rmp; - session_t *s; + vnet_listen_args_t _a, *a = &_a; application_t *app = 0; - svm_msg_q_t *vpp_evt_q; app_worker_t *app_wrk; int rv; @@ -871,33 +618,9 @@ vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp) done: - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_BIND_URI_REPLY, ({ - if (!rv) - { - rmp->handle = a->handle; - if (app && application_has_global_scope (app)) - { - app_listener_t* al = app_listener_get_w_handle(a->handle); - s = app_listener_get_session(al); - tc = listen_session_get_transport (s); - rmp->lcl_is_ip4 = tc->is_ip4; - rmp->lcl_port = tc->lcl_port; - clib_memcpy_fast (rmp->lcl_ip, &tc->lcl_ip, sizeof(tc->lcl_ip)); - if (session_transport_service_type (s) == TRANSPORT_SERVICE_CL) - { - rmp->rx_fifo = pointer_to_uword (s->rx_fifo); - rmp->tx_fifo = pointer_to_uword (s->tx_fifo); - vpp_evt_q = session_main_get_vpp_event_queue (0); - rmp->vpp_evt_q = pointer_to_uword (vpp_evt_q); - } - } - } - })); - /* *INDENT-ON* */ + REPLY_MACRO (VL_API_BIND_URI_REPLY); - /* If app uses mq for control messages, send an mq message as well */ - if (app && application_use_mq_for_ctrl (app)) + if (app) { app_wrk = application_get_worker (app, 0); mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle, @@ -938,7 +661,7 @@ done: static void vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp) { - vl_api_connect_session_reply_t *rmp; + vl_api_connect_uri_reply_t *rmp; vnet_connect_args_t _a, *a = &_a; application_t *app; int rv = 0; @@ -973,9 +696,7 @@ vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp) return; done: - /* *INDENT-OFF* */ - REPLY_MACRO (VL_API_CONNECT_SESSION_REPLY); - /* *INDENT-ON* */ + REPLY_MACRO (VL_API_CONNECT_URI_REPLY); } static void @@ -1032,81 +753,6 @@ vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * } } -static void -vl_api_reset_session_reply_t_handler (vl_api_reset_session_reply_t * mp) -{ - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - app_worker_t *app_wrk; - application_t *app; - session_t *s; - u32 index, thread_index; - - app = application_lookup (mp->context); - if (!app) - return; - - session_parse_handle (mp->handle, &index, &thread_index); - s = session_get_if_valid (index, thread_index); - if (!s) - { - clib_warning ("Invalid session!"); - return; - } - - app_wrk = app_worker_get (s->app_wrk_index); - if (app_wrk->app_index != app->app_index) - { - clib_warning ("app %u does not own handle 0x%lx", app->app_index, - mp->handle); - return; - } - - /* Client objected to resetting the session, log and continue */ - if (mp->retval) - { - clib_warning ("client retval %d", mp->retval); - return; - } - - /* This comes as a response to a reset, transport only waiting for - * confirmation to remove connection state, no need to disconnect */ - a->handle = mp->handle; - a->app_index = app->app_index; - vnet_disconnect_session (a); -} - -static void -vl_api_accept_session_reply_t_handler (vl_api_accept_session_reply_t * mp) -{ - vnet_disconnect_args_t _a = { 0 }, *a = &_a; - session_t *s; - - /* Server isn't interested, kill the session */ - if (mp->retval) - { - a->app_index = mp->context; - a->handle = mp->handle; - vnet_disconnect_session (a); - return; - } - - 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; - - if (!session_has_transport (s)) - ct_session_connect_notify (s); -} - static void vl_api_map_another_segment_reply_t_handler (vl_api_map_another_segment_reply_t * mp) @@ -1118,14 +764,10 @@ static void vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp) { vnet_listen_args_t _a, *a = &_a; - transport_connection_t *tc = 0; vl_api_bind_sock_reply_t *rmp; - svm_msg_q_t *vpp_evt_q; application_t *app = 0; app_worker_t *app_wrk; ip46_address_t *ip46; - app_listener_t *al; - session_t *s; int rv = 0; if (session_main_is_enabled () == 0) @@ -1156,33 +798,10 @@ vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp) clib_warning ("listen returned: %d", rv); done: - /* *INDENT-OFF* */ - REPLY_MACRO2 (VL_API_BIND_SOCK_REPLY,({ - if (!rv) - { - rmp->handle = a->handle; - rmp->lcl_port = mp->port; - rmp->lcl_is_ip4 = mp->is_ip4; - if (app && application_has_global_scope (app)) - { - al = app_listener_get_w_handle (a->handle); - s = app_listener_get_session (al); - tc = listen_session_get_transport (s); - clib_memcpy_fast (rmp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip)); - if (session_transport_service_type (s) == TRANSPORT_SERVICE_CL) - { - rmp->rx_fifo = pointer_to_uword (s->rx_fifo); - rmp->tx_fifo = pointer_to_uword (s->tx_fifo); - vpp_evt_q = session_main_get_vpp_event_queue (0); - rmp->vpp_evt_q = pointer_to_uword (vpp_evt_q); - } - } - } - })); - /* *INDENT-ON* */ + /* Actual reply sent only over mq */ + REPLY_MACRO (VL_API_BIND_SOCK_REPLY); - /* If app uses mq for control messages, send an mq message as well */ - if (app && application_use_mq_for_ctrl (app)) + if (app) { app_wrk = application_get_worker (app, mp->wrk_index); mq_send_session_bound_cb (app_wrk->wrk_index, mp->context, a->handle, @@ -1250,7 +869,7 @@ done: static void vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) { - vl_api_connect_session_reply_t *rmp; + vl_api_connect_sock_reply_t *rmp; vnet_connect_args_t _a, *a = &_a; application_t *app = 0; int rv = 0; @@ -1300,9 +919,9 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) /* Got some error, relay it */ done: - REPLY_MACRO (VL_API_CONNECT_SESSION_REPLY); + REPLY_MACRO (VL_API_CONNECT_SOCK_REPLY); - if (app && application_use_mq_for_ctrl (app)) + if (app) { app_worker_t *app_wrk = application_get_worker (app, mp->wrk_index); mq_send_session_connected_cb (app_wrk->wrk_index, mp->context, 0, 1);