diff options
Diffstat (limited to 'src/vcl/vcl_bapi.c')
| -rw-r--r-- | src/vcl/vcl_bapi.c | 731 |
1 files changed, 731 insertions, 0 deletions
diff --git a/src/vcl/vcl_bapi.c b/src/vcl/vcl_bapi.c new file mode 100644 index 00000000000..cc3179d860a --- /dev/null +++ b/src/vcl/vcl_bapi.c @@ -0,0 +1,731 @@ +/* + * Copyright (c) 2018 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <vcl/vcl_private.h> +#include <vlibmemory/api.h> +#include <vpp/api/vpe_msg_enum.h> + +#define vl_typedefs /* define message structures */ +#include <vpp/api/vpe_all_api_h.h> +#undef vl_typedefs + +/* declare message handlers for each api */ + +#define vl_endianfun /* define message structures */ +#include <vpp/api/vpe_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) +#define vl_printfun +#include <vpp/api/vpe_all_api_h.h> +#undef vl_printfun + +static u8 * +format_api_error (u8 * s, va_list * args) +{ + i32 error = va_arg (*args, u32); + uword *p; + + p = hash_get (vcm->error_string_by_error_number, -error); + + if (p) + s = format (s, "%s (%d)", p[0], error); + else + s = format (s, "%d", error); + return s; +} + +static void + vl_api_session_enable_disable_reply_t_handler + (vl_api_session_enable_disable_reply_t * mp) +{ + if (mp->retval) + { + clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (), + format_api_error, ntohl (mp->retval)); + } + else + vcm->app_state = STATE_APP_ENABLED; +} + +static void +vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t * + mp) +{ + static svm_fifo_segment_create_args_t _a; + svm_fifo_segment_create_args_t *a = &_a; + int rv; + + memset (a, 0, sizeof (*a)); + if (mp->retval) + { + clib_warning ("VCL<%d>: attach failed: %U", getpid (), + format_api_error, ntohl (mp->retval)); + return; + } + + if (mp->segment_name_length == 0) + { + clib_warning ("VCL<%d>: segment_name_length zero", getpid ()); + return; + } + + a->segment_name = (char *) mp->segment_name; + a->segment_size = mp->segment_size; + + ASSERT (mp->app_event_queue_address); + + /* Attach to the segment vpp created */ + rv = svm_fifo_segment_attach (a); + vec_reset_length (a->new_segment_indices); + if (PREDICT_FALSE (rv)) + { + clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed", + getpid (), mp->segment_name); + return; + } + + vcm->app_event_queue = + uword_to_pointer (mp->app_event_queue_address, svm_queue_t *); + + vcm->app_state = STATE_APP_ATTACHED; +} + +static void +vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t * + mp) +{ + if (mp->retval) + clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error, + ntohl (mp->retval)); + + 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) +{ + static svm_fifo_segment_create_args_t _a; + svm_fifo_segment_create_args_t *a = &_a; + int rv; + + memset (a, 0, sizeof (*a)); + a->segment_name = (char *) mp->segment_name; + a->segment_size = mp->segment_size; + /* Attach to the segment vpp created */ + rv = svm_fifo_segment_attach (a); + vec_reset_length (a->new_segment_indices); + if (PREDICT_FALSE (rv)) + { + clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed", + getpid (), mp->segment_name); + return; + } + + VDBG (1, "VCL<%d>: mapped new segment '%s' size %d", getpid (), + mp->segment_name, mp->segment_size); +} + +static void +vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp) +{ + +/* + * XXX Need segment_name to session_id hash, + * XXX - have sessionID by handle hash currently + */ + + VDBG (1, "Unmapped segment '%s'", mp->segment_name); +} + +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_queue_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) +{ + vcl_session_t *session = 0; + u32 session_index = mp->context; + int rv; + + VCL_SESSION_LOCK_AND_GET (session_index, &session); +done: + if (mp->retval) + { + clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, " + "sid %u: bind failed: %U", + getpid (), mp->handle, session_index, + format_api_error, ntohl (mp->retval)); + rv = vppcom_session_at_index (session_index, &session); + if (rv == VPPCOM_OK) + { + 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; + } + + session->vpp_handle = mp->handle; + session->transport.is_ip4 = mp->lcl_is_ip4; + session->transport.lcl_ip = to_ip46 (mp->lcl_is_ip4 ? IP46_TYPE_IP4 : + IP46_TYPE_IP6, mp->lcl_ip); + session->transport.lcl_port = mp->lcl_port; + vppcom_session_table_add_listener (mp->handle, session_index); + session->session_state = STATE_LISTEN; + + VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!", + getpid (), mp->handle, mp->context); +done_unlock: + VCL_SESSION_UNLOCK (); +} + +static void +vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp) +{ + if (mp->retval) + clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U", + getpid (), mp->context, format_api_error, + ntohl (mp->retval)); + + else + 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_queue_t *); + session->session_state = STATE_ACCEPT; + session->transport.rmt_port = mp->port; + session->transport.is_ip4 = mp->is_ip4; + session->transport.rmt_ip = to_ip46 (mp->is_ip4 ? IP46_TYPE_IP4 : + IP46_TYPE_IP6, mp->ip); + + /* 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) \ +_(UNMAP_SEGMENT, unmap_segment) + +void +vppcom_api_hookup (void) +{ +#define _(N, n) \ + vl_msg_api_set_handlers(VL_API_##N, #n, \ + vl_api_##n##_t_handler, \ + vl_noop_handler, \ + vl_api_##n##_t_endian, \ + vl_api_##n##_t_print, \ + sizeof(vl_api_##n##_t), 1); + foreach_sock_msg; +#undef _ +} + +/* + * VPP-API message functions + */ +void +vppcom_send_session_enable_disable (u8 is_enable) +{ + vl_api_session_enable_disable_t *bmp; + bmp = vl_msg_api_alloc (sizeof (*bmp)); + memset (bmp, 0, sizeof (*bmp)); + + bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE); + bmp->client_index = vcm->my_client_index; + bmp->context = htonl (0xfeedface); + bmp->is_enable = is_enable; + vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); +} + +void +vppcom_app_send_attach (void) +{ + vl_api_application_attach_t *bmp; + u8 nsid_len = vec_len (vcm->cfg.namespace_id); + u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp || + vcm->cfg.app_proxy_transport_udp); + + bmp = vl_msg_api_alloc (sizeof (*bmp)); + memset (bmp, 0, sizeof (*bmp)); + + bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH); + bmp->client_index = vcm->my_client_index; + bmp->context = htonl (0xfeedface); + bmp->options[APP_OPTIONS_FLAGS] = + APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT | + (vcm->cfg.app_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) | + (vcm->cfg.app_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0) | + (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0); + bmp->options[APP_OPTIONS_PROXY_TRANSPORT] = + (u64) ((vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) | + (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0)); + bmp->options[APP_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size; + bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size; + bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size; + bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size; + bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = + vcm->cfg.preallocated_fifo_pairs; + bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = vcm->cfg.event_queue_size; + if (nsid_len) + { + bmp->namespace_id_len = nsid_len; + clib_memcpy (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len); + bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret; + } + vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); +} + +void +vppcom_app_send_detach (void) +{ + vl_api_application_detach_t *bmp; + bmp = vl_msg_api_alloc (sizeof (*bmp)); + memset (bmp, 0, sizeof (*bmp)); + + bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH); + bmp->client_index = vcm->my_client_index; + bmp->context = htonl (0xfeedface); + vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); +} + +void +vppcom_send_connect_sock (vcl_session_t * session, u32 session_index) +{ + vl_api_connect_sock_t *cmp; + + /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */ + cmp = vl_msg_api_alloc (sizeof (*cmp)); + memset (cmp, 0, sizeof (*cmp)); + cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK); + cmp->client_index = vcm->my_client_index; + cmp->context = session_index; + + cmp->is_ip4 = session->transport.is_ip4; + clib_memcpy (cmp->ip, &session->transport.rmt_ip, sizeof (cmp->ip)); + cmp->port = session->transport.rmt_port; + cmp->proto = session->session_type; + clib_memcpy (cmp->options, session->options, sizeof (cmp->options)); + 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) +{ + vl_api_disconnect_session_t *dmp; + + VDBG (1, "VCL<%d>: vpp handle 0x%llx, sid %u: sending disconnect msg", + getpid (), vpp_handle, session_index); + + dmp = vl_msg_api_alloc (sizeof (*dmp)); + memset (dmp, 0, sizeof (*dmp)); + dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION); + dmp->client_index = vcm->my_client_index; + dmp->handle = vpp_handle; + vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp); +} + +/* VPP combines bind and listen as one operation. VCL manages the separation + * of bind and listen locally via vppcom_session_bind() and + * vppcom_session_listen() */ +void +vppcom_send_bind_sock (vcl_session_t * session, u32 session_index) +{ + vl_api_bind_sock_t *bmp; + + /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ + bmp = vl_msg_api_alloc (sizeof (*bmp)); + memset (bmp, 0, sizeof (*bmp)); + + bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK); + bmp->client_index = vcm->my_client_index; + bmp->context = session_index; + bmp->is_ip4 = session->transport.is_ip4; + clib_memcpy (bmp->ip, &session->transport.lcl_ip, sizeof (bmp->ip)); + bmp->port = session->transport.lcl_port; + bmp->proto = session->session_type; + clib_memcpy (bmp->options, session->options, sizeof (bmp->options)); + vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp); +} + +void +vppcom_send_unbind_sock (u64 vpp_handle) +{ + vl_api_unbind_sock_t *ump; + + ump = vl_msg_api_alloc (sizeof (*ump)); + memset (ump, 0, sizeof (*ump)); + + ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK); + ump->client_index = vcm->my_client_index; + ump->handle = vpp_handle; + vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump); +} + +void +vppcom_send_accept_session_reply (u64 handle, u32 context, int retval) +{ + vl_api_accept_session_reply_t *rmp; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY); + rmp->retval = htonl (retval); + rmp->context = context; + rmp->handle = handle; + vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp); +} + +u32 +vcl_max_nsid_len (void) +{ + vl_api_application_attach_t *mp; + return (sizeof (mp->namespace_id) - 1); +} + +void +vppcom_init_error_string_table (void) +{ + vcm->error_string_by_error_number = hash_create (0, sizeof (uword)); + +#define _(n, v, s) hash_set (vcm->error_string_by_error_number, -v, s); + foreach_vnet_api_error; +#undef _ + + hash_set (vcm->error_string_by_error_number, 99, "Misc"); +} + +int +vppcom_connect_to_vpp (char *app_name) +{ + api_main_t *am = &api_main; + vppcom_cfg_t *vcl_cfg = &vcm->cfg; + int rv = VPPCOM_OK; + + if (!vcl_cfg->vpp_api_filename) + vcl_cfg->vpp_api_filename = format (0, "/vpe-api%c", 0); + + VDBG (0, "VCL<%d>: app (%s) connecting to VPP api (%s)...", + getpid (), app_name, vcl_cfg->vpp_api_filename); + + if (vl_client_connect_to_vlib ((char *) vcl_cfg->vpp_api_filename, app_name, + vcm->cfg.vpp_api_q_length) < 0) + { + clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name); + rv = VPPCOM_ECONNREFUSED; + } + else + { + vcm->vl_input_queue = am->shmem_hdr->vl_input_queue; + vcm->my_client_index = (u32) am->my_client_index; + vcm->app_state = STATE_APP_CONN_VPP; + + VDBG (0, "VCL<%d>: app (%s) is connected to VPP!", getpid (), app_name); + } + + vcl_evt (VCL_EVT_INIT, vcm); + return rv; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |