X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvcl%2Fvppcom.c;h=05c1dbbb50111bcaa430bdc2d51a96aa2908f465;hb=6011699556bc48eac884920d818a2a50339b9f01;hp=29936aa5207c035ae00f96c465e7de6f7002e0b6;hpb=60f1fc1c17f4e15b8a64ad0b0626e88603790eb7;p=vpp.git diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index 29936aa5207..05c1dbbb501 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 +465,77 @@ done_unlock: return session_index; } +static u32 +vcl_session_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; +} + +static u32 +vcl_session_bound_handler (session_bound_msg_t * mp) +{ + vcl_session_t *session; + u32 sid = mp->context; + + session = vcl_session_get (sid); + if (mp->retval) + { + VDBG (0, "VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: bind failed: %U", + getpid (), mp->handle, sid, format_api_error, ntohl (mp->retval)); + if (session) + { + session->session_state = STATE_FAILED; + session->vpp_handle = mp->handle; + return sid; + } + else + { + clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: " + "Invalid session index (%u)!", + getpid (), mp->handle, sid); + return VCL_INVALID_SESSION_INDEX; + } + } + + session->vpp_handle = mp->handle; + session->transport.is_ip4 = mp->lcl_is_ip4; + clib_memcpy (&session->transport.lcl_ip, mp->lcl_ip, + sizeof (ip46_address_t)); + session->transport.lcl_port = mp->lcl_port; + vppcom_session_table_add_listener (mp->handle, sid); + session->session_state = STATE_LISTEN; + + if (session->is_dgram) + { + svm_fifo_t *rx_fifo, *tx_fifo; + session->vpp_evt_q = uword_to_pointer (mp->vpp_evt_q, svm_msg_q_t *); + rx_fifo = uword_to_pointer (mp->rx_fifo, svm_fifo_t *); + rx_fifo->client_session_index = sid; + tx_fifo = uword_to_pointer (mp->tx_fifo, svm_fifo_t *); + tx_fifo->client_session_index = sid; + session->rx_fifo = rx_fifo; + session->tx_fifo = tx_fifo; + } + + VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!", + getpid (), mp->handle, sid); + return sid; +} + int vcl_handle_mq_ctrl_event (session_event_t * e) { @@ -480,8 +574,21 @@ 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_session_reset_handler ((session_reset_msg_t *) e->data); + break; + case SESSION_CTRL_EVT_BOUND: + vcl_session_bound_handler ((session_bound_msg_t *) e->data); break; default: clib_warning ("unhandled %u", e->event_type); @@ -598,15 +705,6 @@ 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 +1833,14 @@ vcl_select_handle_mq (svm_msg_q_t * mq, unsigned long n_bits, *bits_set += 1; } break; + case SESSION_CTRL_EVT_RESET: + sid = vcl_session_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 +2449,23 @@ 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_session_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);