From c9fbd66cdb20c53c6e9cf68ba5ad984be609102f Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Fri, 24 Aug 2018 12:59:56 -0700 Subject: vcl: remove unused binary api handlers Change-Id: Ifc36e3934574ba479f71157f797b2d0745b1d100 Signed-off-by: Florin Coras --- src/vcl/vcl_bapi.c | 285 ----------------------------------------------------- src/vcl/vppcom.c | 84 +++++++++++++--- 2 files changed, 73 insertions(+), 296 deletions(-) diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c index e63696a0166..2b369fe0c72 100644 --- a/src/vcl/vcl_bapi.c +++ b/src/vcl/vcl_bapi.c @@ -146,16 +146,6 @@ vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * vcm->app_state = STATE_APP_ENABLED; } -static void -vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * - mp) -{ - if (mp->retval) - clib_warning ("VCL<%d>: vpp handle 0x%llx: disconnect session failed: %U", - getpid (), mp->handle, format_api_error, - ntohl (mp->retval)); -} - static void vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) { @@ -228,163 +218,6 @@ static void vcl_ct_registration_unlock (); } -static void -vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp) -{ - uword *p; - - p = hash_get (vcm->session_index_by_vpp_handles, mp->handle); - if (p) - { - int rv; - vcl_session_t *session = 0; - u32 session_index = p[0]; - - VCL_SESSION_LOCK_AND_GET (session_index, &session); - session->session_state = STATE_CLOSE_ON_EMPTY; - - VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: setting state to 0x%x " - "(%s)", getpid (), mp->handle, session_index, - session->session_state, - vppcom_session_state_str (session->session_state)); - VCL_SESSION_UNLOCK (); - return; - - done: - VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: session lookup failed!", - getpid (), mp->handle, session_index); - } - else - clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by " - "handle failed!", getpid (), mp->handle); -} - -static void -vl_api_reset_session_t_handler (vl_api_reset_session_t * mp) -{ - vcl_session_t *session = 0; - vl_api_reset_session_reply_t *rmp; - uword *p; - int rv = 0; - - p = hash_get (vcm->session_index_by_vpp_handles, mp->handle); - if (p) - { - int rval; - VCL_SESSION_LOCK (); - rval = vppcom_session_at_index (p[0], &session); - if (PREDICT_FALSE (rval)) - { - rv = VNET_API_ERROR_INVALID_VALUE_2; - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "session lookup failed! returning %d %U", - getpid (), mp->handle, p[0], - rv, format_api_error, rv); - } - else - { - /* TBD: should this disconnect immediately and - * flush the fifos? - */ - session->session_state = STATE_CLOSE_ON_EMPTY; - - VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: state set to %d " - "(%s)!", getpid (), mp->handle, p[0], session->session_state, - vppcom_session_state_str (session->session_state)); - } - VCL_SESSION_UNLOCK (); - } - else - { - rv = VNET_API_ERROR_INVALID_VALUE; - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup " - "failed! returning %d %U", - getpid (), mp->handle, rv, format_api_error, rv); - } - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY); - rmp->retval = htonl (rv); - rmp->handle = mp->handle; - vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp); -} - -static void -vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp) -{ - vcl_session_t *session = 0; - u32 session_index; - svm_fifo_t *rx_fifo, *tx_fifo; - int rv = VPPCOM_OK; - - session_index = mp->context; - VCL_SESSION_LOCK_AND_GET (session_index, &session); -done: - if (mp->retval) - { - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "connect failed! %U", - getpid (), mp->handle, session_index, - format_api_error, ntohl (mp->retval)); - if (session) - { - session->session_state = STATE_FAILED; - session->vpp_handle = mp->handle; - } - else - { - clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: " - "Invalid session index (%u)!", - getpid (), mp->handle, session_index); - } - goto done_unlock; - } - - if (rv) - goto done_unlock; - - /* - * Setup session - */ - if (vcm->session_io_thread.io_sessions_lockp) - { - // Add this connection to the active io sessions list - VCL_IO_SESSIONS_LOCK (); - u32 *active_session_index; - pool_get (vcm->session_io_thread.active_session_indexes, - active_session_index); - *active_session_index = session_index; - VCL_IO_SESSIONS_UNLOCK (); - } - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session_index; - - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_handle = mp->handle; - session->transport.is_ip4 = mp->is_ip4; - clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip, - sizeof (session->transport.rmt_ip)); - session->transport.lcl_port = mp->lcl_port; - session->session_state = STATE_CONNECT; - - /* Add it to lookup table */ - hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index); - - VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded! " - "session_rx_fifo %p, refcnt %d, session_tx_fifo %p, refcnt %d", - getpid (), mp->handle, session_index, session->rx_fifo, - session->rx_fifo->refcnt, session->tx_fifo, session->tx_fifo->refcnt); -done_unlock: - VCL_SESSION_UNLOCK (); -} - static void vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp) { @@ -453,110 +286,10 @@ vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp) VDBG (1, "VCL<%d>: sid %u: unbind succeeded!", getpid (), mp->context); } -static void -vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) -{ - svm_fifo_t *rx_fifo, *tx_fifo; - vcl_session_t *session, *listen_session; - u32 session_index; - vce_event_connect_request_t *ecr; - vce_event_t *ev; - int rv; - u32 ev_idx; - uword elts = 0; - - VCL_SESSION_LOCK (); - - VCL_ACCEPT_FIFO_LOCK (); - elts = clib_fifo_free_elts (vcm->client_session_index_fifo); - VCL_ACCEPT_FIFO_UNLOCK (); - - if (!elts) - { - clib_warning ("VCL<%d>: client session queue is full!", getpid ()); - vppcom_send_accept_session_reply (mp->handle, mp->context, - VNET_API_ERROR_QUEUE_FULL); - VCL_SESSION_UNLOCK (); - return; - } - - listen_session = vppcom_session_table_lookup_listener (mp->listener_handle); - if (!listen_session) - { - clib_warning ("VCL<%d>: ERROR: couldn't find listen session: " - "unknown vpp listener handle %llx", - getpid (), mp->listener_handle); - vppcom_send_accept_session_reply (mp->handle, mp->context, - VNET_API_ERROR_INVALID_ARGUMENT); - VCL_SESSION_UNLOCK (); - return; - } - - /* TODO check listener depth and update */ - /* TODO on "child" fd close, update listener depth */ - - /* Allocate local session and set it up */ - pool_get (vcm->sessions, session); - memset (session, 0, sizeof (*session)); - session_index = (u32) (session - vcm->sessions); - - rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *); - rx_fifo->client_session_index = session_index; - tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); - tx_fifo->client_session_index = session_index; - - session->vpp_handle = mp->handle; - session->client_context = mp->context; - session->rx_fifo = rx_fifo; - session->tx_fifo = tx_fifo; - session->vpp_evt_q = uword_to_pointer (mp->vpp_event_queue_address, - svm_msg_q_t *); - session->session_state = STATE_ACCEPT; - session->transport.rmt_port = mp->port; - session->transport.is_ip4 = mp->is_ip4; - clib_memcpy (&session->transport.rmt_ip, mp->ip, sizeof (ip46_address_t)); - - /* Add it to lookup table */ - hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index); - session->transport.lcl_port = listen_session->transport.lcl_port; - session->transport.lcl_ip = listen_session->transport.lcl_ip; - - /* Create an event for handlers */ - - VCL_EVENTS_LOCK (); - - pool_get (vcm->event_thread.vce_events, ev); - ev_idx = (u32) (ev - vcm->event_thread.vce_events); - ecr = vce_get_event_data (ev, sizeof (*ecr)); - ev->evk.eid = VCL_EVENT_CONNECT_REQ_ACCEPTED; - listen_session = vppcom_session_table_lookup_listener (mp->listener_handle); - ev->evk.session_index = (u32) (listen_session - vcm->sessions); - ecr->accepted_session_index = session_index; - - VCL_EVENTS_UNLOCK (); - - rv = vce_generate_event (&vcm->event_thread, ev_idx); - ASSERT (rv == 0); - - VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: client accept request from %s" - " address %U port %d queue %p!", getpid (), mp->handle, session_index, - mp->is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &mp->ip, - mp->is_ip4 ? IP46_TYPE_IP4 : IP46_TYPE_IP6, - clib_net_to_host_u16 (mp->port), session->vpp_evt_q); - - vcl_evt (VCL_EVT_ACCEPT, session, listen_session, session_index); - VCL_SESSION_UNLOCK (); -} - #define foreach_sock_msg \ _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \ _(BIND_SOCK_REPLY, bind_sock_reply) \ _(UNBIND_SOCK_REPLY, unbind_sock_reply) \ -_(ACCEPT_SESSION, accept_session) \ -_(CONNECT_SESSION_REPLY, connect_session_reply) \ -_(DISCONNECT_SESSION, disconnect_session) \ -_(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ -_(RESET_SESSION, reset_session) \ _(APPLICATION_ATTACH_REPLY, application_attach_reply) \ _(APPLICATION_DETACH_REPLY, application_detach_reply) \ _(MAP_ANOTHER_SEGMENT, map_another_segment) \ @@ -667,24 +400,6 @@ vppcom_send_connect_sock (vcl_session_t * session, u32 session_index) vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp); } -void -vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index, - int rv) -{ - vl_api_disconnect_session_reply_t *rmp; - - VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: sending disconnect msg", - getpid (), vpp_handle, session_index); - - rmp = vl_msg_api_alloc (sizeof (*rmp)); - memset (rmp, 0, sizeof (*rmp)); - - rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY); - rmp->retval = htonl (rv); - rmp->handle = vpp_handle; - vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp); -} - void vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index) { diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index 29936aa5207..f95e72fc94e 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -248,6 +248,15 @@ vppcom_wait_for_app_state_change (app_state_t app_state) return VPPCOM_ETIMEDOUT; } +static svm_msg_q_t * +vcl_session_vpp_evt_q (vcl_session_t * s) +{ + if (vcl_session_is_ct (s)) + return vcm->vpp_event_queues[0]; + else + return vcm->vpp_event_queues[s->tx_fifo->master_thread_index]; +} + static void vcl_send_session_accepted_reply (svm_msg_q_t * mq, u32 context, session_handle_t handle, int retval) @@ -277,6 +286,20 @@ vcl_send_session_disconnected_reply (svm_msg_q_t * mq, u32 context, app_send_ctrl_evt_to_vpp (mq, app_evt); } +static void +vcl_send_session_reset_reply (svm_msg_q_t * mq, u32 context, + session_handle_t handle, int retval) +{ + app_session_evt_t _app_evt, *app_evt = &_app_evt; + session_reset_reply_msg_t *rmp; + app_alloc_ctrl_evt_to_vpp (mq, app_evt, SESSION_CTRL_EVT_RESET_REPLY); + rmp = (session_reset_reply_msg_t *) app_evt->evt->data; + rmp->handle = handle; + rmp->context = context; + rmp->retval = retval; + app_send_ctrl_evt_to_vpp (mq, app_evt); +} + static u32 vcl_session_accepted_handler (session_accepted_msg_t * mp) { @@ -442,6 +465,26 @@ done_unlock: return session_index; } +static u32 +vcl_reset_handler (session_reset_msg_t * reset_msg) +{ + vcl_session_t *session; + u32 sid; + + sid = vcl_session_get_index_from_handle (reset_msg->handle); + session = vcl_session_get (sid); + if (!session) + { + VDBG (0, "request to reset unknown handle 0x%llx", reset_msg->handle); + return VCL_INVALID_SESSION_INDEX; + } + session->session_state = STATE_CLOSE_ON_EMPTY; + VDBG (0, "reset handle 0x%llx, sid %u ", reset_msg->handle, sid); + vcl_send_session_reset_reply (vcl_session_vpp_evt_q (session), + vcm->my_client_index, reset_msg->handle, 0); + return sid; +} + int vcl_handle_mq_ctrl_event (session_event_t * e) { @@ -480,8 +523,18 @@ vcl_handle_mq_ctrl_event (session_event_t * e) disconnected_msg = (session_disconnected_msg_t *) e->data; sid = vcl_session_get_index_from_handle (disconnected_msg->handle); session = vcl_session_get (sid); + if (!session) + { + VDBG (0, "request to disconnect unknown handle 0x%llx", + disconnected_msg->handle); + break; + } session->session_state = STATE_DISCONNECT; - VDBG (0, "disconnected %u", sid); + VDBG (0, "disconnected handle 0xllx, sid %u", disconnected_msg->handle, + sid); + break; + case SESSION_CTRL_EVT_RESET: + vcl_reset_handler ((session_reset_msg_t *) e->data); break; default: clib_warning ("unhandled %u", e->event_type); @@ -598,15 +651,6 @@ done: return rv; } -static svm_msg_q_t * -vcl_session_vpp_evt_q (vcl_session_t * s) -{ - if (vcl_session_is_ct (s)) - return vcm->vpp_event_queues[0]; - else - return vcm->vpp_event_queues[s->tx_fifo->master_thread_index]; -} - static int vppcom_session_disconnect (u32 session_index) { @@ -1735,6 +1779,14 @@ vcl_select_handle_mq (svm_msg_q_t * mq, unsigned long n_bits, *bits_set += 1; } break; + case SESSION_CTRL_EVT_RESET: + sid = vcl_reset_handler ((session_reset_msg_t *) e->data); + if (sid < n_bits && except_map) + { + clib_bitmap_set_no_check (except_map, sid, 1); + *bits_set += 1; + } + break; default: clib_warning ("unhandled: %u", e->event_type); break; @@ -2343,13 +2395,23 @@ vcl_epoll_wait_handle_mq (svm_msg_q_t * mq, struct epoll_event *events, disconnected_msg = (session_disconnected_msg_t *) e->data; sid = vcl_session_get_index_from_handle (disconnected_msg->handle); clib_spinlock_lock (&vcm->sessions_lockp); - session = vcl_session_get (sid); + if (!(session = vcl_session_get (sid))) + break; add_event = 1; events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP; session_evt_data = session->vep.ev.data.u64; session_events = session->vep.ev.events; clib_spinlock_unlock (&vcm->sessions_lockp); break; + case SESSION_CTRL_EVT_RESET: + sid = vcl_reset_handler ((session_reset_msg_t *) e->data); + if (!(session = vcl_session_get (sid))) + break; + add_event = 1; + events[*num_ev].events |= EPOLLHUP | EPOLLRDHUP; + session_evt_data = session->vep.ev.data.u64; + session_events = session->vep.ev.events; + break; default: clib_warning ("unhandled: %u", e->event_type); svm_msg_q_free_msg (mq, msg); -- cgit 1.2.3-korg