X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_api.c;h=c55aab33541d9ad5fd4d6504485b9af035df17f7;hb=ba0da570f264785f6b50eff7829f6653c0924069;hp=8ee25a9a2ce4b687ebd5b668b5ee17c3d61068f5;hpb=6442401c21f880dbfd25d36859f79ddf54b49178;p=vpp.git diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c index 8ee25a9a2ce..c55aab33541 100755 --- a/src/vnet/session/session_api.c +++ b/src/vnet/session/session_api.c @@ -43,6 +43,7 @@ #define foreach_session_api_msg \ _(MAP_ANOTHER_SEGMENT_REPLY, map_another_segment_reply) \ _(APPLICATION_ATTACH, application_attach) \ +_(APP_ATTACH, app_attach) \ _(APPLICATION_DETACH, application_detach) \ _(BIND_URI, bind_uri) \ _(UNBIND_URI, unbind_uri) \ @@ -83,8 +84,8 @@ send_add_segment_callback (u32 api_client_index, u64 segment_handle) { int fds[SESSION_N_FD_TYPE], n_fds = 0; vl_api_map_another_segment_t *mp; - svm_fifo_segment_private_t *fs; vl_api_registration_t *reg; + fifo_segment_t *fs; ssvm_private_t *sp; u8 fd_flags = 0; @@ -149,54 +150,6 @@ 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 mq_try_lock_and_alloc_msg (svm_msg_q_t * app_mq, svm_msg_q_msg_t * msg) { @@ -222,12 +175,10 @@ mq_send_session_accepted_cb (session_t * s) app_worker_t *app_wrk = app_worker_get (s->app_wrk_index); svm_msg_q_msg_t _msg, *msg = &_msg; svm_msg_q_t *vpp_queue, *app_mq; - transport_connection_t *tc; session_t *listener; session_accepted_msg_t *mp; session_event_t *evt; application_t *app; - app_listener_t *al; app = application_get (app_wrk->app_index); app_mq = app_wrk->event_queue; @@ -246,9 +197,8 @@ mq_send_session_accepted_cb (session_t * s) if (session_has_transport (s)) { - listener = listen_session_get (s->listener_index); - al = app_listener_get (app, listener->al_index); - mp->listener_handle = app_listener_handle (al); + listener = listen_session_get_from_handle (s->listener_handle); + mp->listener_handle = app_listen_session_handle (listener); if (application_is_proxy (app)) { listener = @@ -260,33 +210,21 @@ mq_send_session_accepted_cb (session_t * s) 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)); + + session_get_endpoint (s, &mp->rmt, 0 /* is_lcl */ ); } 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); + listener = listen_session_get_from_handle (s->listener_handle); + mp->listener_handle = app_listen_session_handle (listener); + mp->rmt.is_ip4 = session_type_is_ip4 (listener->session_type); + mp->rmt.port = ct->c_rmt_port; 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); @@ -361,7 +299,7 @@ mq_send_session_reset_cb (session_t * s) SESSION_CTRL_EVT_RESET); } -static int +int mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context, session_t * s, u8 is_fail) { @@ -406,35 +344,31 @@ mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context, vpp_mq = session_main_get_vpp_event_queue (s->thread_index); mp->handle = session_handle (s); mp->vpp_event_queue_address = pointer_to_uword (vpp_mq); - 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; + + session_get_endpoint (s, &mp->lcl, 1 /* is_lcl */ ); + 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 { - 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->lcl.port = cct->c_lcl_port; + mp->lcl.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: @@ -445,19 +379,18 @@ done: return 0; } -static int +int mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context, session_handle_t handle, int rv) { svm_msg_q_msg_t _msg, *msg = &_msg; svm_msg_q_t *app_mq, *vpp_evt_q; - transport_connection_t *tc; + transport_endpoint_t tep; session_bound_msg_t *mp; app_worker_t *app_wrk; session_event_t *evt; app_listener_t *al; session_t *ls = 0; - app_wrk = app_worker_get (app_wrk_index); app_mq = app_wrk->event_queue; if (!app_mq) @@ -485,10 +418,11 @@ mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context, ls = app_listener_get_session (al); else ls = app_listener_get_local_session (al); - tc = listen_session_get_transport (ls); - mp->lcl_port = tc->lcl_port; - mp->lcl_is_ip4 = tc->is_ip4; - clib_memcpy_fast (mp->lcl_ip, &tc->lcl_ip, sizeof (tc->lcl_ip)); + + session_get_endpoint (ls, &tep, 1 /* is_lcl */ ); + mp->lcl_port = tep.port; + mp->lcl_is_ip4 = tep.is_ip4; + clib_memcpy_fast (mp->lcl_ip, &tep.ip, sizeof (tep.ip)); vpp_evt_q = session_main_get_vpp_event_queue (0); mp->vpp_evt_q = pointer_to_uword (vpp_evt_q); @@ -505,11 +439,41 @@ done: return 0; } +void +mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh, + u32 context, int rv) +{ + svm_msg_q_msg_t _msg, *msg = &_msg; + session_unlisten_reply_msg_t *ump; + svm_msg_q_t *app_mq; + session_event_t *evt; + + app_mq = app_wrk->event_queue; + if (mq_try_lock_and_alloc_msg (app_mq, msg)) + return; + + evt = svm_msg_q_msg_data (app_mq, msg); + clib_memset (evt, 0, sizeof (*evt)); + evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY; + ump = (session_unlisten_reply_msg_t *) evt->data; + ump->context = context; + ump->handle = sh; + ump->retval = rv; + svm_msg_q_add_and_unlock (app_mq, msg); +} + +static void +mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh) +{ + clib_warning ("not supported"); +} + static session_cb_vft_t session_mq_cb_vft = { .session_accept_callback = mq_send_session_accepted_cb, .session_disconnect_callback = mq_send_session_disconnected_cb, .session_connected_callback = mq_send_session_connected_cb, .session_reset_callback = mq_send_session_reset_cb, + .session_migrate_callback = mq_send_session_migrate_cb, .add_segment_callback = send_add_segment_callback, .del_segment_callback = send_del_segment_callback, }; @@ -525,6 +489,7 @@ vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp) REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY); } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_application_attach_t_handler (vl_api_application_attach_t * mp) { @@ -622,6 +587,108 @@ done: session_send_fds (reg, fds, n_fds); } +static void +vl_api_app_attach_t_handler (vl_api_app_attach_t * mp) +{ + int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0; + vl_api_app_attach_reply_t *rmp; + ssvm_private_t *segp, *evt_q_segment; + vnet_app_attach_args_t _a, *a = &_a; + u8 fd_flags = 0, ctrl_thread; + vl_api_registration_t *reg; + svm_msg_q_t *ctrl_mq; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + if (session_main_is_enabled () == 0) + { + rv = VNET_API_ERROR_FEATURE_DISABLED; + goto done; + } + + STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <= + sizeof (mp->options), + "Out of options, fix api message definition"); + + clib_memset (a, 0, sizeof (*a)); + a->api_client_index = mp->client_index; + a->options = mp->options; + a->session_cb_vft = &session_mq_cb_vft; + if (mp->namespace_id_len > 64) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto done; + } + + if (mp->namespace_id_len) + { + vec_validate (a->namespace_id, mp->namespace_id_len - 1); + clib_memcpy_fast (a->namespace_id, mp->namespace_id, + mp->namespace_id_len); + } + + if ((rv = vnet_application_attach (a))) + { + clib_warning ("attach returned: %d", rv); + vec_free (a->namespace_id); + goto done; + } + vec_free (a->namespace_id); + + /* Send event queues segment */ + if ((evt_q_segment = session_main_get_evt_q_segment ())) + { + fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT; + fds[n_fds] = evt_q_segment->fd; + n_fds += 1; + } + /* Send fifo segment fd if needed */ + if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD) + { + fd_flags |= SESSION_FD_F_MEMFD_SEGMENT; + fds[n_fds] = a->segment->fd; + n_fds += 1; + } + if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD) + { + fd_flags |= SESSION_FD_F_MQ_EVENTFD; + fds[n_fds] = svm_msg_q_get_producer_eventfd (a->app_evt_q); + n_fds += 1; + } + +done: + + ctrl_thread = vlib_num_workers ()? 1 : 0; + ctrl_mq = session_main_get_vpp_event_queue (ctrl_thread); + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_APP_ATTACH_REPLY, ({ + if (!rv) + { + segp = a->segment; + rmp->app_index = clib_host_to_net_u32 (a->app_index); + rmp->app_mq = pointer_to_uword (a->app_evt_q); + rmp->vpp_ctrl_mq = pointer_to_uword (ctrl_mq); + rmp->vpp_ctrl_mq_thread = ctrl_thread; + rmp->n_fds = n_fds; + rmp->fd_flags = fd_flags; + if (vec_len (segp->name)) + { + memcpy (rmp->segment_name, segp->name, vec_len (segp->name)); + rmp->segment_name_length = vec_len (segp->name); + } + rmp->segment_size = segp->ssvm_size; + rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle); + } + })); + /* *INDENT-ON* */ + + if (n_fds) + session_send_fds (reg, fds, n_fds); +} + +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_application_detach_t_handler (vl_api_application_detach_t * mp) { @@ -648,6 +715,7 @@ done: REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY); } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_bind_uri_t_handler (vl_api_bind_uri_t * mp) { @@ -688,6 +756,7 @@ done: } } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_unbind_uri_t_handler (vl_api_unbind_uri_t * mp) { @@ -707,6 +776,7 @@ vl_api_unbind_uri_t_handler (vl_api_unbind_uri_t * mp) { a->uri = (char *) mp->uri; a->app_index = app->app_index; + a->wrk_map_index = 0; rv = vnet_unbind_uri (a); } else @@ -718,6 +788,7 @@ done: REPLY_MACRO (VL_API_UNBIND_URI_REPLY); } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_connect_uri_t_handler (vl_api_connect_uri_t * mp) { @@ -759,6 +830,7 @@ done: REPLY_MACRO (VL_API_CONNECT_URI_REPLY); } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp) { @@ -789,6 +861,7 @@ done: REPLY_MACRO2 (VL_API_DISCONNECT_SESSION_REPLY, rmp->handle = mp->handle); } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * mp) @@ -820,6 +893,7 @@ vl_api_map_another_segment_reply_t_handler (vl_api_map_another_segment_reply_t clib_warning ("not implemented"); } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp) { @@ -869,6 +943,7 @@ done: } } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_unbind_sock_t_handler (vl_api_unbind_sock_t * mp) { @@ -893,18 +968,14 @@ vl_api_unbind_sock_t_handler (vl_api_unbind_sock_t * mp) if ((rv = vnet_unlisten (a))) clib_warning ("unlisten returned: %d", rv); } + else + { + rv = VNET_API_ERROR_APPLICATION_NOT_ATTACHED; + } done: REPLY_MACRO (VL_API_UNBIND_SOCK_REPLY); - /* - * Send reply over msg queue - */ - svm_msg_q_msg_t _msg, *msg = &_msg; - session_unlisten_reply_msg_t *ump; - svm_msg_q_t *app_mq; - session_event_t *evt; - if (!app) return; @@ -912,20 +983,10 @@ done: if (!app_wrk) return; - app_mq = app_wrk->event_queue; - if (mq_try_lock_and_alloc_msg (app_mq, msg)) - return; - - evt = svm_msg_q_msg_data (app_mq, msg); - clib_memset (evt, 0, sizeof (*evt)); - evt->event_type = SESSION_CTRL_EVT_UNLISTEN_REPLY; - ump = (session_unlisten_reply_msg_t *) evt->data; - ump->context = mp->context; - ump->handle = mp->handle; - ump->retval = rv; - svm_msg_q_add_and_unlock (app_mq, msg); + mq_send_unlisten_reply (app_wrk, mp->handle, mp->context, rv); } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) { @@ -955,6 +1016,7 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) a->sep.transport_proto = mp->proto; a->sep.peer.fib_index = mp->vrf; a->sep.peer.sw_if_index = ENDPOINT_INVALID_INDEX; + a->sep_ext.parent_handle = mp->parent_handle; if (mp->hostname_len) { vec_validate (a->sep_ext.hostname, mp->hostname_len - 1); @@ -965,7 +1027,7 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) a->app_index = app->app_index; a->wrk_map_index = mp->wrk_index; if ((rv = vnet_connect (a))) - clib_warning ("connect returned: %u", rv); + clib_warning ("connect returned: %U", format_vnet_api_errno, rv); vec_free (a->sep_ext.hostname); } else @@ -1404,7 +1466,7 @@ setup_message_id_table (api_main_t * am) /* * session_api_hookup * Add uri's API message handlers to the table. - * vlib has alread mapped shared memory and + * vlib has already mapped shared memory and * added the client registration handlers. * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process() */