-
-/*
- * VPPCOM Utility Functions
- */
-static inline int
-vppcom_session_at_index (u32 session_index, session_t * volatile *sess)
-{
- /* Assumes that caller has acquired spinlock: vcm->sessions_lockp */
- if (PREDICT_FALSE ((session_index == ~0) ||
- pool_is_free_index (vcm->sessions, session_index)))
- {
- clib_warning ("VCL<%d>: invalid session, sid (%u) has been closed!",
- getpid (), session_index);
- return VPPCOM_EBADFD;
- }
- *sess = pool_elt_at_index (vcm->sessions, session_index);
- return VPPCOM_OK;
-}
-
-static inline void
-vppcom_session_table_add_listener (u64 listener_handle, u32 value)
-{
- /* Session and listener handles have different formats. The latter has
- * the thread index in the upper 32 bits while the former has the session
- * type. Knowing that, for listeners we just flip the MSB to 1 */
- listener_handle |= 1ULL << 63;
- hash_set (vcm->session_index_by_vpp_handles, listener_handle, value);
-}
-
-static inline session_t *
-vppcom_session_table_lookup_listener (u64 listener_handle)
-{
- uword *p;
- u64 handle = listener_handle | (1ULL << 63);
- session_t *session;
-
- p = hash_get (vcm->session_index_by_vpp_handles, handle);
- if (!p)
- {
- clib_warning ("VCL<%d>: couldn't find listen session: unknown vpp "
- "listener handle %llx", getpid (), listener_handle);
- return 0;
- }
- if (pool_is_free_index (vcm->sessions, p[0]))
- {
- if (VPPCOM_DEBUG > 1)
- clib_warning ("VCL<%d>: invalid listen session, sid (%u)",
- getpid (), p[0]);
- return 0;
- }
-
- session = pool_elt_at_index (vcm->sessions, p[0]);
- ASSERT (session->state & STATE_LISTEN);
- return session;
-}
-
-static inline void
-vppcom_session_table_del_listener (u64 listener_handle)
-{
- listener_handle |= 1ULL << 63;
- hash_unset (vcm->session_index_by_vpp_handles, listener_handle);
-}
-
-static void
-write_elog (void)
-{
- elog_main_t *em = &vcm->elog_main;
- char *chroot_file;
- clib_error_t *error = 0;
-
- chroot_file =
- (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path,
- vcm->my_client_index, getpid (), 0);
- error = elog_write_file (em, chroot_file, 1 /* flush ring */ );
- if (error)
- {
- clib_error_report (error);
- }
- if (VPPCOM_DEBUG > 0)
- clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file);
-
-}
-
-static inline 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);
-}
-
-/*
- * VPPCOM Event Functions
- */
-
-void
-vce_registered_listener_connect_handler_fn (void *arg)
-{
- vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
- vce_event_connect_request_t *ecr;
- vce_event_t *ev;
- vppcom_endpt_t ep;
-
- session_t *new_session;
- int rv;
-
- vppcom_session_listener_t *session_listener =
- (vppcom_session_listener_t *) reg->handler_fn_args;
-
- ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
-
- ecr = (vce_event_connect_request_t *) ev->data;
- VCL_LOCK_AND_GET_SESSION (ecr->accepted_session_index, &new_session);
-
-
- ep.is_ip4 = new_session->peer_addr.is_ip4;
- ep.port = new_session->peer_port;
- if (new_session->peer_addr.is_ip4)
- clib_memcpy (&ep.ip, &new_session->peer_addr.ip46.ip4,
- sizeof (ip4_address_t));
- else
- clib_memcpy (&ep.ip, &new_session->peer_addr.ip46.ip6,
- sizeof (ip6_address_t));
-
- vppcom_send_accept_session_reply (new_session->vpp_handle,
- new_session->client_context,
- 0 /* retval OK */ );
- clib_spinlock_unlock (&vcm->sessions_lockp);
-
- (session_listener->user_cb) (ecr->accepted_session_index, &ep,
- session_listener->user_cb_data);
-
- /*TODO - Unregister check in close for this listener */
-
- return;
-
-done:
- ASSERT (0); // If we can't get a lock or accepted session fails, lets blow up.
-}
-
-/**
- * * @brief vce_connect_request_handler_fn
- * - used for listener sessions
- * - when a vl_api_accept_session_t_handler() generates an event
- * this callback is alerted and sets fields that consumers such as
- * vppcom_session_accept() expect to see, ie. accepted_client_index
- *
- * @param arg - void* to be cast to vce_event_handler_reg_t*
- */
-void
-vce_connect_request_handler_fn (void *arg)
-{
- vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
-
- pthread_mutex_lock (®->handler_lock);
- pthread_cond_signal (®->handler_cond);
- pthread_mutex_unlock (®->handler_lock);
-}
-
-/**
- * @brief vce_poll_wait_connect_request_handler_fn
- * - used by vppcom_epoll_xxxx() for listener sessions
- * - when a vl_api_accept_session_t_handler() generates an event
- * this callback is alerted and sets the fields that vppcom_epoll_wait()
- * expects to see.
- *
- * @param arg - void* to be cast to vce_event_handler_reg_t*
- */
-void
-vce_poll_wait_connect_request_handler_fn (void *arg)
-{
- vce_event_handler_reg_t *reg = (vce_event_handler_reg_t *) arg;
- vce_event_t *ev;
- /* Retrieve the VCL_EVENT_CONNECT_REQ_ACCEPTED event */
- ev = vce_get_event_from_index (&vcm->event_thread, reg->ev_idx);
- vce_event_connect_request_t *ecr = (vce_event_connect_request_t *) ev->data;
-
- /* Add the accepted_session_index to the FIFO */
- clib_spinlock_lock (&vcm->session_fifo_lockp);
- clib_fifo_add1 (vcm->client_session_index_fifo,
- ecr->accepted_session_index);
- clib_spinlock_unlock (&vcm->session_fifo_lockp);
-
- /* Recycling the event. */
- clib_spinlock_lock (&(vcm->event_thread.events_lockp));
- vcm->event_thread.recycle_event = 1;
- clib_fifo_add1 (vcm->event_thread.event_index_fifo, reg->ev_idx);
- clib_spinlock_unlock (&(vcm->event_thread.events_lockp));
-}
-
-static 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);
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("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;
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("VCL<%d>: app (%s) is connected to VPP!",
- getpid (), app_name);
- }
-
- if (VPPCOM_DEBUG > 0)
- {
- vcm->elog_main.lock =
- clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
- vcm->elog_main.lock[0] = 0;
- vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size;
- elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size);
- elog_enable_disable (&vcm->elog_main, 1);
-
- vcm->elog_track.name =
- (char *) format (0, "P:%d:C:%d%c", getpid (),
- vcm->my_client_index, 0);
- elog_track_register (&vcm->elog_main, &vcm->elog_track);
-
- /* *INDENT-OFF* */
- ELOG_TYPE_DECLARE (e) =
- {
- .format = "connect_vpp:rv:%d",
- .format_args = "i4",
- };
- struct
- {
- u32 data;
- } *ed;
- ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
- ed->data = (u32) rv;
- /* *INDENT-ON* */
- }
- return rv;
-}
-
-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
-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");
-}
-
-static inline int
-vppcom_wait_for_app_state_change (app_state_t app_state)
-{
- f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout;
-
- while (clib_time_now (&vcm->clib_time) < timeout)
- {
- if (vcm->app_state == app_state)
- return VPPCOM_OK;
- }
- if (VPPCOM_DEBUG > 0)
- clib_warning ("VCL<%d>: timeout waiting for state %s (%d)", getpid (),
- vppcom_app_state_str (app_state), app_state);
-
- if (VPPCOM_DEBUG > 0)
- {
- /* *INDENT-OFF* */
- ELOG_TYPE_DECLARE (e) =
- {
- .format = "ERR: timeout state:%d",
- .format_args = "i4",
- };
- struct
- {
- u32 data;
- } *ed;
-
- ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
-
- ed->data = app_state;
- /* *INDENT-ON* */
- }
-
- return VPPCOM_ETIMEDOUT;
-}
-
-static inline int
-vppcom_wait_for_session_state_change (u32 session_index,
- session_state_t state,
- f64 wait_for_time)
-{
- f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
- session_t *volatile session;
- int rv;
-
- do
- {
- clib_spinlock_lock (&vcm->sessions_lockp);
- rv = vppcom_session_at_index (session_index, &session);
- if (PREDICT_FALSE (rv))
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return rv;
- }
- if (session->state & state)
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return VPPCOM_OK;
- }
- if (session->state & STATE_FAILED)
- {
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return VPPCOM_ECONNREFUSED;
- }
-
- clib_spinlock_unlock (&vcm->sessions_lockp);
- }
- while (clib_time_now (&vcm->clib_time) < timeout);
-
- if (VPPCOM_DEBUG > 0)
- clib_warning ("VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (),
- state, vppcom_session_state_str (state));
-
- if (VPPCOM_DEBUG > 0)
- {
- /* *INDENT-OFF* */
- ELOG_TYPE_DECLARE (e) =
- {
- .format = "ERR: timeout state:%d",
- .format_args = "i4",
- };
- struct
- {
- u32 data;
- } *ed;
-
- ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
-
- ed->data = state;
- /* *INDENT-ON* */
- }
-
- return VPPCOM_ETIMEDOUT;
-}
-
-/*
- * VPP-API message functions
- */
-static 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);
-}
-
-static int
-vppcom_app_session_enable (void)
-{
- int rv;
-
- if (vcm->app_state != STATE_APP_ENABLED)
- {
- vppcom_send_session_enable_disable (1 /* is_enabled == TRUE */ );
- rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
- if (PREDICT_FALSE (rv))
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("VCL<%d>: application session enable timed out! "
- "returning %d (%s)",
- getpid (), rv, vppcom_retval_str (rv));
- return rv;
- }
- }
- return VPPCOM_OK;
-}
-
-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
-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] =
- (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);
-}
-
-static int
-vppcom_app_attach (void)
-{
- int rv;
-
- vppcom_app_send_attach ();
- rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED);
- if (PREDICT_FALSE (rv))
- {
- if (VPPCOM_DEBUG > 0)
- clib_warning ("VCL<%d>: application attach timed out! "
- "returning %d (%s)",
- getpid (), rv, vppcom_retval_str (rv));
- return rv;
- }
-
- return VPPCOM_OK;
-}
-
-static void
-vppcom_app_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);
-}
-
-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;
- }
- if (VPPCOM_DEBUG > 1)
- clib_warning ("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
- */
- if (VPPCOM_DEBUG > 1)
- clib_warning ("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;
- session_t *session = 0;
- u32 session_index = p[0];
-
- VCL_LOCK_AND_GET_SESSION (session_index, &session);
- session->state = STATE_CLOSE_ON_EMPTY;
-
- if (VPPCOM_DEBUG > 1)
- clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
- "setting state to 0x%x (%s)",
- getpid (), mp->handle, session_index, session->state,
- vppcom_session_state_str (session->state));
- clib_spinlock_unlock (&vcm->sessions_lockp);
- return;
-
- done:
- if (VPPCOM_DEBUG > 1)
- clib_warning ("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)
-{
- 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;
- clib_spinlock_lock (&vcm->sessions_lockp);
- 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->state = STATE_CLOSE_ON_EMPTY;
-
- if (VPPCOM_DEBUG > 1)
- clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
- "state set to %d (%s)!", getpid (),
- mp->handle, p[0], session->state,
- vppcom_session_state_str (session->state));
- }
- clib_spinlock_unlock (&vcm->sessions_lockp);
- }
- 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)
-{
- session_t *session = 0;
- u32 session_index;
- svm_fifo_t *rx_fifo, *tx_fifo;
- int rv = VPPCOM_OK;
-
- session_index = mp->context;
- VCL_LOCK_AND_GET_SESSION (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->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
- */
- session->vpp_event_queue = 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->lcl_addr.is_ip4 = mp->is_ip4;
- clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
- sizeof (session->peer_addr.ip46));
- session->lcl_port = mp->lcl_port;
- session->state = STATE_CONNECT;
-
- /* Add it to lookup table */
- hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
-
- if (VPPCOM_DEBUG > 1)
- clib_warning ("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:
- clib_spinlock_unlock (&vcm->sessions_lockp);
-}
-
-static void
-vppcom_send_connect_sock (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->peer_addr.is_ip4;
- clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip));
- cmp->port = session->peer_port;
- cmp->proto = session->proto;
- clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
- vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
-}
-
-static inline void
-vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
- int rv)
-{
- vl_api_disconnect_session_reply_t *rmp;
-
- if (VPPCOM_DEBUG > 1)
- clib_warning ("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);
-}
-
-static inline void
-vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
-{
- vl_api_disconnect_session_t *dmp;
-
- if (VPPCOM_DEBUG > 1)
- clib_warning ("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);
-}
-
-static void
-vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
-{
- session_t *session = 0;
- u32 session_index = mp->context;
- int rv;
-
- VCL_LOCK_AND_GET_SESSION (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->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->lcl_addr.is_ip4 = mp->lcl_is_ip4;
- clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
- sizeof (session->peer_addr.ip46));
- session->lcl_port = mp->lcl_port;
- vppcom_session_table_add_listener (mp->handle, session_index);
- session->state = STATE_LISTEN;
-
- if (VPPCOM_DEBUG > 1)
- clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!",
- getpid (), mp->handle, mp->context);
-done_unlock:
- clib_spinlock_unlock (&vcm->sessions_lockp);
-}
-
-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 if (VPPCOM_DEBUG > 1)
- clib_warning ("VCL<%d>: sid %u: unbind succeeded!",
- getpid (), mp->context);
-}
-