| /* |
| * Copyright (c) 2018-2019 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) |
| { |
| vcl_worker_t *wrk = vcl_worker_get (0); |
| |
| if (mp->retval) |
| { |
| clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (), |
| format_api_error, ntohl (mp->retval)); |
| } |
| else |
| wrk->bapi_app_state = STATE_APP_ENABLED; |
| } |
| |
| static void |
| vl_api_app_attach_reply_t_handler (vl_api_app_attach_reply_t * mp) |
| { |
| vcl_worker_t *wrk = vcl_worker_get (0); |
| u64 segment_handle; |
| int *fds = 0, i, rv; |
| u32 n_fds = 0; |
| char *segment_name = 0; |
| |
| if (mp->retval) |
| { |
| VERR ("attach failed: %U", format_api_error, ntohl (mp->retval)); |
| goto failed; |
| } |
| |
| vcl_set_worker_index (0); |
| |
| segment_handle = clib_net_to_host_u64 (mp->segment_handle); |
| if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) |
| { |
| VERR ("invalid segment handle"); |
| goto failed; |
| } |
| |
| if (mp->n_fds) |
| { |
| vec_validate (fds, mp->n_fds); |
| if (vl_socket_client_recv_fd_msg2 (&wrk->bapi_sock_ctx, fds, mp->n_fds, |
| 5)) |
| goto failed; |
| |
| if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) |
| if (vcl_segment_attach (vcl_vpp_worker_segment_handle (0), |
| "vpp-mq-seg", SSVM_SEGMENT_MEMFD, |
| fds[n_fds++])) |
| goto failed; |
| |
| vcl_segment_attach_mq (vcl_vpp_worker_segment_handle (0), |
| mp->vpp_ctrl_mq, mp->vpp_ctrl_mq_thread, |
| &wrk->ctrl_mq); |
| vcm->ctrl_mq = wrk->ctrl_mq; |
| |
| if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) |
| { |
| segment_name = vl_api_from_api_to_new_c_string (&mp->segment_name); |
| rv = |
| vcl_segment_attach (segment_handle, segment_name, |
| SSVM_SEGMENT_MEMFD, fds[n_fds++]); |
| vec_free (segment_name); |
| if (rv != 0) |
| goto failed; |
| } |
| |
| vcl_segment_attach_mq (segment_handle, mp->app_mq, 0, |
| &wrk->app_event_queue); |
| |
| if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD) |
| { |
| svm_msg_q_set_consumer_eventfd (wrk->app_event_queue, fds[n_fds]); |
| vcl_mq_epoll_add_evfd (wrk, wrk->app_event_queue); |
| n_fds++; |
| } |
| |
| vec_free (fds); |
| } |
| else |
| { |
| segment_name = vl_api_from_api_to_new_c_string (&mp->segment_name); |
| rv = |
| vcl_segment_attach (segment_handle, segment_name, SSVM_SEGMENT_SHM, |
| -1); |
| vec_free (segment_name); |
| if (rv != 0) |
| goto failed; |
| } |
| |
| vcm->app_index = clib_net_to_host_u32 (mp->app_index); |
| wrk->bapi_app_state = STATE_APP_ATTACHED; |
| return; |
| |
| failed: |
| wrk->bapi_app_state = STATE_APP_FAILED; |
| for (i = clib_max (n_fds - 1, 0); i < vec_len (fds); i++) |
| close (fds[i]); |
| vec_free (fds); |
| } |
| |
| static void |
| vl_api_app_worker_add_del_reply_t_handler (vl_api_app_worker_add_del_reply_t * |
| mp) |
| { |
| int n_fds = 0, *fds = 0, i, rv; |
| u64 segment_handle; |
| vcl_worker_t *wrk; |
| u32 wrk_index; |
| char *segment_name = 0; |
| |
| if (!mp->is_add) |
| return; |
| |
| wrk_index = mp->context; |
| wrk = vcl_worker_get_if_valid (wrk_index); |
| if (!wrk) |
| return; |
| |
| if (mp->retval) |
| { |
| clib_warning ("VCL<%d>: add/del worker failed: %U", getpid (), |
| format_api_error, ntohl (mp->retval)); |
| goto failed; |
| } |
| |
| vcl_set_worker_index (wrk_index); |
| wrk->vpp_wrk_index = clib_net_to_host_u32 (mp->wrk_index); |
| wrk->ctrl_mq = vcm->ctrl_mq; |
| |
| segment_handle = clib_net_to_host_u64 (mp->segment_handle); |
| if (segment_handle == VCL_INVALID_SEGMENT_HANDLE) |
| { |
| clib_warning ("invalid segment handle"); |
| goto failed; |
| } |
| |
| if (mp->n_fds) |
| { |
| vec_validate (fds, mp->n_fds); |
| if (vl_socket_client_recv_fd_msg2 (&wrk->bapi_sock_ctx, fds, mp->n_fds, |
| 5)) |
| goto failed; |
| |
| if (mp->fd_flags & SESSION_FD_F_VPP_MQ_SEGMENT) |
| if (vcl_segment_attach (vcl_vpp_worker_segment_handle (wrk_index), |
| "vpp-worker-seg", SSVM_SEGMENT_MEMFD, |
| fds[n_fds++])) |
| goto failed; |
| |
| if (mp->fd_flags & SESSION_FD_F_MEMFD_SEGMENT) |
| { |
| segment_name = vl_api_from_api_to_new_c_string (&mp->segment_name); |
| rv = |
| vcl_segment_attach (segment_handle, segment_name, |
| SSVM_SEGMENT_MEMFD, fds[n_fds++]); |
| vec_free (segment_name); |
| if (rv != 0) |
| goto failed; |
| } |
| |
| vcl_segment_attach_mq (segment_handle, mp->app_event_queue_address, 0, |
| &wrk->app_event_queue); |
| |
| if (mp->fd_flags & SESSION_FD_F_MQ_EVENTFD) |
| { |
| svm_msg_q_set_consumer_eventfd (wrk->app_event_queue, fds[n_fds]); |
| vcl_mq_epoll_add_evfd (wrk, wrk->app_event_queue); |
| n_fds++; |
| } |
| |
| vec_free (fds); |
| } |
| else |
| { |
| segment_name = vl_api_from_api_to_new_c_string (&mp->segment_name); |
| rv = |
| vcl_segment_attach (segment_handle, segment_name, SSVM_SEGMENT_SHM, |
| -1); |
| vec_free (segment_name); |
| if (rv != 0) |
| goto failed; |
| } |
| wrk->bapi_app_state = STATE_APP_READY; |
| VDBG (0, "worker %u vpp-worker %u added", wrk_index, wrk->vpp_wrk_index); |
| return; |
| |
| failed: |
| wrk->bapi_app_state = STATE_APP_FAILED; |
| for (i = clib_max (n_fds - 1, 0); i < vec_len (fds); i++) |
| close (fds[i]); |
| vec_free (fds); |
| } |
| |
| static void |
| vl_api_application_tls_cert_add_reply_t_handler |
| (vl_api_application_tls_cert_add_reply_t * mp) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| |
| if (mp->retval) |
| { |
| VDBG (0, "add cert failed: %U", format_api_error, ntohl (mp->retval)); |
| wrk->bapi_app_state = STATE_APP_FAILED; |
| return; |
| } |
| wrk->bapi_app_state = STATE_APP_READY; |
| } |
| |
| static void |
| vl_api_application_tls_key_add_reply_t_handler |
| (vl_api_application_tls_key_add_reply_t * mp) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| |
| if (mp->retval) |
| { |
| VDBG (0, "add key failed: %U", format_api_error, ntohl (mp->retval)); |
| wrk->bapi_app_state = STATE_APP_FAILED; |
| return; |
| } |
| wrk->bapi_app_state = STATE_APP_READY; |
| } |
| |
| #define foreach_sock_msg \ |
| _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \ |
| _(APP_ATTACH_REPLY, app_attach_reply) \ |
| _(APPLICATION_TLS_CERT_ADD_REPLY, application_tls_cert_add_reply) \ |
| _(APPLICATION_TLS_KEY_ADD_REPLY, application_tls_key_add_reply) \ |
| _(APP_WORKER_ADD_DEL_REPLY, app_worker_add_del_reply) \ |
| |
| static void |
| vcl_bapi_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 |
| */ |
| static void |
| vcl_bapi_send_session_enable_disable (u8 is_enable) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| 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 = wrk->api_client_handle; |
| bmp->context = htonl (0xfeedface); |
| bmp->is_enable = is_enable; |
| vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp); |
| } |
| |
| void |
| vcl_bapi_send_attach (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| u8 tls_engine = CRYPTO_ENGINE_OPENSSL; |
| vl_api_app_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); |
| |
| tls_engine = vcm->cfg.tls_engine ? vcm->cfg.tls_engine : tls_engine; |
| |
| bmp = vl_msg_api_alloc (sizeof (*bmp)); |
| memset (bmp, 0, sizeof (*bmp)); |
| |
| bmp->_vl_msg_id = ntohs (VL_API_APP_ATTACH); |
| bmp->client_index = wrk->api_client_handle; |
| 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) | |
| (vcm->cfg.use_mq_eventfd ? APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD : 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; |
| bmp->options[APP_OPTIONS_TLS_ENGINE] = tls_engine; |
| if (nsid_len) |
| { |
| vl_api_vec_to_api_string (vcm->cfg.namespace_id, &bmp->namespace_id); |
| bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret; |
| } |
| vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp); |
| } |
| |
| void |
| vcl_bapi_send_detach (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| 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 = wrk->api_client_handle; |
| bmp->context = htonl (0xfeedface); |
| vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & bmp); |
| } |
| |
| static void |
| vcl_bapi_send_app_worker_add_del (u8 is_add) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vl_api_app_worker_add_del_t *mp; |
| |
| mp = vl_msg_api_alloc (sizeof (*mp)); |
| memset (mp, 0, sizeof (*mp)); |
| |
| mp->_vl_msg_id = ntohs (VL_API_APP_WORKER_ADD_DEL); |
| mp->client_index = wrk->api_client_handle; |
| mp->app_index = clib_host_to_net_u32 (vcm->app_index); |
| mp->context = wrk->wrk_index; |
| mp->is_add = is_add; |
| if (!is_add) |
| mp->wrk_index = clib_host_to_net_u32 (wrk->vpp_wrk_index); |
| |
| vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & mp); |
| } |
| |
| static void |
| vcl_bapi_send_child_worker_del (vcl_worker_t * child_wrk) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vl_api_app_worker_add_del_t *mp; |
| |
| mp = vl_msg_api_alloc (sizeof (*mp)); |
| memset (mp, 0, sizeof (*mp)); |
| |
| mp->_vl_msg_id = ntohs (VL_API_APP_WORKER_ADD_DEL); |
| mp->client_index = wrk->api_client_handle; |
| mp->app_index = clib_host_to_net_u32 (vcm->app_index); |
| mp->context = wrk->wrk_index; |
| mp->is_add = 0; |
| mp->wrk_index = clib_host_to_net_u32 (child_wrk->vpp_wrk_index); |
| |
| vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & mp); |
| } |
| |
| void |
| vcl_bapi_send_application_tls_cert_add (vcl_session_t * session, char *cert, |
| u32 cert_len) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vl_api_application_tls_cert_add_t *cert_mp; |
| |
| cert_mp = vl_msg_api_alloc (sizeof (*cert_mp) + cert_len); |
| clib_memset (cert_mp, 0, sizeof (*cert_mp)); |
| cert_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_CERT_ADD); |
| cert_mp->client_index = wrk->api_client_handle; |
| cert_mp->context = session->session_index; |
| cert_mp->cert_len = clib_host_to_net_u16 (cert_len); |
| clib_memcpy_fast (cert_mp->cert, cert, cert_len); |
| vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & cert_mp); |
| } |
| |
| void |
| vcl_bapi_send_application_tls_key_add (vcl_session_t * session, char *key, |
| u32 key_len) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vl_api_application_tls_key_add_t *key_mp; |
| |
| key_mp = vl_msg_api_alloc (sizeof (*key_mp) + key_len); |
| clib_memset (key_mp, 0, sizeof (*key_mp)); |
| key_mp->_vl_msg_id = ntohs (VL_API_APPLICATION_TLS_KEY_ADD); |
| key_mp->client_index = wrk->api_client_handle; |
| key_mp->context = session->session_index; |
| key_mp->key_len = clib_host_to_net_u16 (key_len); |
| clib_memcpy_fast (key_mp->key, key, key_len); |
| vl_msg_api_send_shmem (wrk->vl_input_queue, (u8 *) & key_mp); |
| } |
| |
| u32 |
| vcl_bapi_max_nsid_len (void) |
| { |
| vl_api_app_attach_t *mp; |
| return (sizeof (mp->namespace_id) - 1); |
| } |
| |
| static void |
| vcl_bapi_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"); |
| } |
| |
| static void |
| vcl_bapi_cleanup (void) |
| { |
| socket_client_main_t *scm = &socket_client_main; |
| api_main_t *am = vlibapi_get_main (); |
| |
| am->my_client_index = ~0; |
| am->my_registration = 0; |
| am->vl_input_queue = 0; |
| am->msg_index_by_name_and_crc = 0; |
| scm->socket_fd = 0; |
| |
| vl_client_api_unmap (); |
| } |
| |
| static int |
| vcl_bapi_connect_to_vpp (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vppcom_cfg_t *vcl_cfg = &vcm->cfg; |
| int rv = VPPCOM_OK; |
| api_main_t *am; |
| u8 *wrk_name; |
| |
| wrk_name = format (0, "%v-wrk-%u%c", vcm->app_name, wrk->wrk_index, 0); |
| |
| /* Make sure api is cleaned up in case this is a connect from a |
| * forked worker */ |
| vcl_bapi_cleanup (); |
| |
| vlibapi_set_main (&wrk->bapi_api_ctx); |
| vcl_bapi_hookup (); |
| |
| if (!vcl_cfg->vpp_bapi_socket_name) |
| { |
| rv = VPPCOM_EINVAL; |
| goto error; |
| } |
| |
| if (vl_socket_client_connect2 (&wrk->bapi_sock_ctx, |
| (char *) vcl_cfg->vpp_bapi_socket_name, |
| (char *) wrk_name, |
| 0 /* default rx/tx buffer */ )) |
| { |
| VERR ("app (%s) socket connect failed!", wrk_name); |
| rv = VPPCOM_ECONNREFUSED; |
| goto error; |
| } |
| |
| if (vl_socket_client_init_shm2 (&wrk->bapi_sock_ctx, 0, |
| 1 /* want_pthread */ )) |
| { |
| VERR ("app (%s) init shm failed!", wrk_name); |
| rv = VPPCOM_ECONNREFUSED; |
| goto error; |
| } |
| |
| am = vlibapi_get_main (); |
| wrk->vl_input_queue = am->shmem_hdr->vl_input_queue; |
| wrk->api_client_handle = (u32) am->my_client_index; |
| |
| VDBG (0, "app (%s) is connected to VPP!", wrk_name); |
| vcl_evt (VCL_EVT_INIT, vcm); |
| |
| error: |
| vec_free (wrk_name); |
| return rv; |
| } |
| |
| void |
| vcl_bapi_disconnect_from_vpp (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vppcom_cfg_t *vcl_cfg = &vcm->cfg; |
| |
| if (vcl_cfg->vpp_bapi_socket_name) |
| vl_socket_client_disconnect2 (&wrk->bapi_sock_ctx); |
| else |
| vl_client_disconnect_from_vlib (); |
| } |
| |
| static const char * |
| vcl_bapi_app_state_str (vcl_bapi_app_state_t state) |
| { |
| char *st; |
| |
| switch (state) |
| { |
| case STATE_APP_START: |
| st = "STATE_APP_START"; |
| break; |
| |
| case STATE_APP_CONN_VPP: |
| st = "STATE_APP_CONN_VPP"; |
| break; |
| |
| case STATE_APP_ENABLED: |
| st = "STATE_APP_ENABLED"; |
| break; |
| |
| case STATE_APP_ATTACHED: |
| st = "STATE_APP_ATTACHED"; |
| break; |
| |
| default: |
| st = "UNKNOWN_APP_STATE"; |
| break; |
| } |
| |
| return st; |
| } |
| |
| static int |
| vcl_bapi_wait_for_wrk_state_change (vcl_bapi_app_state_t app_state) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| f64 timeout = clib_time_now (&wrk->clib_time) + vcm->cfg.app_timeout; |
| |
| while (clib_time_now (&wrk->clib_time) < timeout) |
| { |
| if (wrk->bapi_app_state == app_state) |
| return VPPCOM_OK; |
| if (wrk->bapi_app_state == STATE_APP_FAILED) |
| return VPPCOM_ECONNABORTED; |
| } |
| VDBG (0, "timeout waiting for state %s (%d)", |
| vcl_bapi_app_state_str (app_state), app_state); |
| vcl_evt (VCL_EVT_SESSION_TIMEOUT, vcm, bapi_app_state); |
| |
| return VPPCOM_ETIMEDOUT; |
| } |
| |
| static int |
| vcl_bapi_session_enable (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| int rv; |
| |
| if (wrk->bapi_app_state != STATE_APP_ENABLED) |
| { |
| vcl_bapi_send_session_enable_disable (1 /* is_enabled == TRUE */ ); |
| rv = vcl_bapi_wait_for_wrk_state_change (STATE_APP_ENABLED); |
| if (PREDICT_FALSE (rv)) |
| { |
| VDBG (0, "application session enable timed out! returning %d (%s)", |
| rv, vppcom_retval_str (rv)); |
| return rv; |
| } |
| } |
| return VPPCOM_OK; |
| } |
| |
| static int |
| vcl_bapi_init (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| int rv; |
| |
| wrk->bapi_app_state = STATE_APP_START; |
| vcl_bapi_init_error_string_table (); |
| rv = vcl_bapi_connect_to_vpp (); |
| if (rv) |
| { |
| VERR ("couldn't connect to VPP!"); |
| return rv; |
| } |
| VDBG (0, "sending session enable"); |
| rv = vcl_bapi_session_enable (); |
| if (rv) |
| { |
| VERR ("vppcom_app_session_enable() failed!"); |
| return rv; |
| } |
| |
| return 0; |
| } |
| |
| int |
| vcl_bapi_attach (void) |
| { |
| int rv; |
| |
| /* API hookup and connect to VPP */ |
| if ((rv = vcl_bapi_init ())) |
| return rv; |
| |
| vcl_bapi_send_attach (); |
| rv = vcl_bapi_wait_for_wrk_state_change (STATE_APP_ATTACHED); |
| if (PREDICT_FALSE (rv)) |
| { |
| VDBG (0, "application attach timed out! returning %d (%s)", rv, |
| vppcom_retval_str (rv)); |
| return rv; |
| } |
| |
| return 0; |
| } |
| |
| int |
| vcl_bapi_app_worker_add (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| |
| if (vcl_bapi_connect_to_vpp ()) |
| return -1; |
| |
| wrk->bapi_app_state = STATE_APP_ADDING_WORKER; |
| vcl_bapi_send_app_worker_add_del (1 /* is_add */ ); |
| if (vcl_bapi_wait_for_wrk_state_change (STATE_APP_READY)) |
| return -1; |
| return 0; |
| } |
| |
| void |
| vcl_bapi_app_worker_del (vcl_worker_t * wrk) |
| { |
| /* Notify vpp that the worker is going away */ |
| if (wrk->wrk_index == vcl_get_worker_index ()) |
| vcl_bapi_send_app_worker_add_del (0 /* is_add */ ); |
| else |
| vcl_bapi_send_child_worker_del (wrk); |
| |
| /* Disconnect the binary api */ |
| if (vec_len (vcm->workers) == 1) |
| vcl_bapi_disconnect_from_vpp (); |
| else |
| vl_client_send_disconnect (1 /* vpp should cleanup */ ); |
| } |
| |
| int |
| vcl_bapi_recv_fds (vcl_worker_t * wrk, int *fds, int n_fds) |
| { |
| clib_error_t *err; |
| |
| if ((err = vl_socket_client_recv_fd_msg2 (&wrk->bapi_sock_ctx, fds, n_fds, |
| 5))) |
| { |
| clib_error_report (err); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| int |
| vppcom_session_tls_add_cert (uint32_t session_handle, char *cert, |
| uint32_t cert_len) |
| { |
| |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vcl_session_t *session = 0; |
| |
| session = vcl_session_get_w_handle (wrk, session_handle); |
| if (!session) |
| return VPPCOM_EBADFD; |
| |
| if (cert_len == 0 || cert_len == ~0) |
| return VPPCOM_EBADFD; |
| |
| /* |
| * Send listen request to vpp and wait for reply |
| */ |
| vcl_bapi_send_application_tls_cert_add (session, cert, cert_len); |
| wrk->bapi_app_state = STATE_APP_ADDING_TLS_DATA; |
| vcl_bapi_wait_for_wrk_state_change (STATE_APP_READY); |
| return VPPCOM_OK; |
| } |
| |
| int |
| vppcom_session_tls_add_key (uint32_t session_handle, char *key, |
| uint32_t key_len) |
| { |
| |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| vcl_session_t *session = 0; |
| |
| session = vcl_session_get_w_handle (wrk, session_handle); |
| if (!session) |
| return VPPCOM_EBADFD; |
| |
| if (key_len == 0 || key_len == ~0) |
| return VPPCOM_EBADFD; |
| |
| vcl_bapi_send_application_tls_key_add (session, key, key_len); |
| wrk->bapi_app_state = STATE_APP_ADDING_TLS_DATA; |
| vcl_bapi_wait_for_wrk_state_change (STATE_APP_READY); |
| return VPPCOM_OK; |
| } |
| |
| int |
| vcl_bapi_worker_set (void) |
| { |
| vcl_worker_t *wrk = vcl_worker_get_current (); |
| int i; |
| |
| /* Find the first worker with the same pid */ |
| for (i = 0; i < vec_len (vcm->workers); i++) |
| { |
| if (i == wrk->wrk_index) |
| continue; |
| if (vcm->workers[i].current_pid == wrk->current_pid) |
| { |
| wrk->vl_input_queue = vcm->workers[i].vl_input_queue; |
| wrk->api_client_handle = vcm->workers[i].api_client_handle; |
| return 0; |
| } |
| } |
| return -1; |
| } |
| |
| /* |
| * fd.io coding-style-patch-verification: ON |
| * |
| * Local Variables: |
| * eval: (c-set-style "gnu") |
| * End: |
| */ |