/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
#include <vnet/session/application.h>
#include <vnet/session/application_interface.h>
#include <vnet/session/application_namespace.h>
+#include <vnet/session/application_local.h>
#include <vnet/session/session.h>
static app_main_t app_main;
+#define app_interface_check_thread_and_barrier(_fn, _arg) \
+ if (PREDICT_FALSE (!vlib_thread_is_main_w_barrier ())) \
+ { \
+ vlib_rpc_call_main_thread (_fn, (u8 *) _arg, sizeof(*_arg)); \
+ return 0; \
+ }
+
static app_listener_t *
app_listener_alloc (application_t * app)
{
+ app_main_t *am = &app_main;
app_listener_t *app_listener;
- pool_get (app->listeners, app_listener);
- memset (app_listener, 0, sizeof (*app_listener));
- app_listener->al_index = app_listener - app->listeners;
+
+ pool_get (am->listeners, app_listener);
+ clib_memset (app_listener, 0, sizeof (*app_listener));
+ app_listener->al_index = app_listener - am->listeners;
+ app_listener->app_index = app->app_index;
+ app_listener->session_index = SESSION_INVALID_INDEX;
+ app_listener->local_index = SESSION_INVALID_INDEX;
+ app_listener->ls_handle = SESSION_INVALID_HANDLE;
return app_listener;
}
-static app_listener_t *
-app_listener_get (application_t * app, u32 app_listener_index)
+app_listener_t *
+app_listener_get (u32 app_listener_index)
{
- return pool_elt_at_index (app->listeners, app_listener_index);
+ app_main_t *am = &app_main;
+
+ return pool_elt_at_index (am->listeners, app_listener_index);
}
static void
app_listener_free (application_t * app, app_listener_t * app_listener)
{
+ app_main_t *am = &app_main;
+
clib_bitmap_free (app_listener->workers);
- pool_put (app->listeners, app_listener);
+ vec_free (app_listener->cl_listeners);
if (CLIB_DEBUG)
- memset (app_listener, 0xfa, sizeof (*app_listener));
+ clib_memset (app_listener, 0xfa, sizeof (*app_listener));
+ pool_put (am->listeners, app_listener);
}
-static app_listener_t *
-app_local_listener_alloc (application_t * app)
+session_handle_t
+app_listener_handle (app_listener_t * al)
+{
+ return al->ls_handle;
+}
+
+session_handle_t
+app_listen_session_handle (session_t * ls)
+{
+ app_listener_t *al;
+ /* TODO(fcoras): quic session handles */
+ if (ls->al_index == SESSION_INVALID_INDEX)
+ return listen_session_get_handle (ls);
+ al = app_listener_get (ls->al_index);
+ return al->ls_handle;
+}
+
+app_listener_t *
+app_listener_get_w_handle (session_handle_t handle)
+{
+ session_t *ls;
+ ls = session_get_from_handle_if_valid (handle);
+ if (!ls)
+ return 0;
+ return app_listener_get (ls->al_index);
+}
+
+app_listener_t *
+app_listener_lookup (application_t * app, session_endpoint_cfg_t * sep_ext)
+{
+ u32 table_index, fib_proto;
+ session_endpoint_t *sep;
+ session_handle_t handle;
+ session_t *ls;
+ void *iface_ip;
+ ip46_address_t original_ip;
+
+ sep = (session_endpoint_t *) sep_ext;
+ if (application_has_local_scope (app) && session_endpoint_is_local (sep))
+ {
+ table_index = application_local_session_table (app);
+ handle = session_lookup_endpoint_listener (table_index, sep, 1);
+ if (handle != SESSION_INVALID_HANDLE)
+ {
+ ls = listen_session_get_from_handle (handle);
+ return app_listener_get (ls->al_index);
+ }
+ }
+
+ fib_proto = session_endpoint_fib_proto (sep);
+ table_index = session_lookup_get_index_for_fib (fib_proto, sep->fib_index);
+ handle = session_lookup_endpoint_listener (table_index, sep, 1);
+ if (handle != SESSION_INVALID_HANDLE)
+ {
+ ls = listen_session_get_from_handle (handle);
+ return app_listener_get (ls->al_index);
+ }
+
+ /*
+ * When binds to "inaddr_any", we add zero address in the local lookup table
+ * and interface address in the global lookup table. If local scope disable,
+ * the latter is the only clue to find the listener.
+ */
+ if (!application_has_local_scope (app) &&
+ ip_is_zero (&sep_ext->ip, sep_ext->is_ip4) &&
+ sep_ext->sw_if_index != ENDPOINT_INVALID_INDEX)
+ {
+ if ((iface_ip = ip_interface_get_first_ip (sep_ext->sw_if_index,
+ sep_ext->is_ip4)))
+ {
+ ip_copy (&original_ip, &sep_ext->ip, sep_ext->is_ip4);
+ ip_set (&sep_ext->ip, iface_ip, sep_ext->is_ip4);
+ handle = session_lookup_endpoint_listener (table_index, sep, 1);
+ ip_copy (&sep_ext->ip, &original_ip, sep_ext->is_ip4);
+ if (handle != SESSION_INVALID_HANDLE)
+ {
+ ls = listen_session_get_from_handle (handle);
+ return app_listener_get (ls->al_index);
+ }
+ }
+ }
+
+ return 0;
+}
+
+int
+app_listener_alloc_and_init (application_t * app,
+ session_endpoint_cfg_t * sep,
+ app_listener_t ** listener)
{
app_listener_t *app_listener;
- pool_get (app->local_listeners, app_listener);
- memset (app_listener, 0, sizeof (*app_listener));
- app_listener->al_index = app_listener - app->local_listeners;
- return app_listener;
+ transport_connection_t *tc;
+ u32 al_index, table_index;
+ session_handle_t lh;
+ session_type_t st;
+ session_t *ls = 0;
+ int rv;
+
+ app_listener = app_listener_alloc (app);
+ al_index = app_listener->al_index;
+ st = session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4);
+
+ /*
+ * Add session endpoint to local session table. Only binds to "inaddr_any"
+ * (i.e., zero address) are added to local scope table.
+ */
+ if (application_has_local_scope (app)
+ && session_endpoint_is_local ((session_endpoint_t *) sep))
+ {
+ session_type_t local_st;
+
+ local_st = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE,
+ sep->is_ip4);
+ ls = listen_session_alloc (0, local_st);
+ ls->app_wrk_index = sep->app_wrk_index;
+ lh = session_handle (ls);
+
+ if ((rv = session_listen (ls, sep)))
+ {
+ ls = session_get_from_handle (lh);
+ session_free (ls);
+ app_listener_free (app, app_listener);
+ return rv;
+ }
+
+ ls = session_get_from_handle (lh);
+ app_listener = app_listener_get (al_index);
+ app_listener->local_index = ls->session_index;
+ app_listener->ls_handle = lh;
+ ls->al_index = al_index;
+
+ table_index = application_local_session_table (app);
+ session_lookup_add_session_endpoint (table_index,
+ (session_endpoint_t *) sep, lh);
+ }
+
+ if (application_has_global_scope (app))
+ {
+ /*
+ * Start listening on local endpoint for requested transport and scope.
+ * Creates a stream session with state LISTENING to be used in session
+ * lookups, prior to establishing connection. Requests transport to
+ * build it's own specific listening connection.
+ */
+ ls = listen_session_alloc (0, st);
+ ls->app_wrk_index = sep->app_wrk_index;
+
+ /* Listen pool can be reallocated if the transport is
+ * recursive (tls) */
+ lh = listen_session_get_handle (ls);
+
+ if ((rv = session_listen (ls, sep)))
+ {
+ ls = listen_session_get_from_handle (lh);
+ session_free (ls);
+ app_listener_free (app, app_listener);
+ return rv;
+ }
+ ls = listen_session_get_from_handle (lh);
+ app_listener = app_listener_get (al_index);
+ app_listener->session_index = ls->session_index;
+ app_listener->ls_handle = lh;
+ ls->al_index = al_index;
+
+ /* Add to the global lookup table after transport was initialized.
+ * Lookup table needs to be populated only now because sessions
+ * with cut-through transport are are added to app local tables that
+ * are not related to network fibs, i.e., cannot be added as
+ * connections */
+ tc = session_get_transport (ls);
+ if (!(tc->flags & TRANSPORT_CONNECTION_F_NO_LOOKUP))
+ {
+ fib_protocol_t fib_proto;
+ fib_proto = session_endpoint_fib_proto ((session_endpoint_t *) sep);
+ /* Assume namespace vetted previously so make sure table exists */
+ table_index = session_lookup_get_or_alloc_index_for_fib (
+ fib_proto, sep->fib_index);
+ session_lookup_add_session_endpoint (table_index,
+ (session_endpoint_t *) sep,
+ lh);
+ }
+ }
+
+ if (!ls)
+ {
+ app_listener_free (app, app_listener);
+ return -1;
+ }
+
+ *listener = app_listener;
+ return 0;
}
-static app_listener_t *
-app_local_listener_get (application_t * app, u32 app_listener_index)
+void
+app_listener_cleanup (app_listener_t * al)
{
- return pool_elt_at_index (app->local_listeners, app_listener_index);
+ application_t *app = application_get (al->app_index);
+ session_t *ls;
+
+ if (al->session_index != SESSION_INVALID_INDEX)
+ {
+ ls = session_get (al->session_index, 0);
+ session_stop_listen (ls);
+ listen_session_free (ls);
+ }
+ if (al->local_index != SESSION_INVALID_INDEX)
+ {
+ session_endpoint_t sep = SESSION_ENDPOINT_NULL;
+ u32 table_index;
+
+ table_index = application_local_session_table (app);
+ ls = listen_session_get (al->local_index);
+ ct_session_endpoint (ls, &sep);
+ session_lookup_del_session_endpoint (table_index, &sep);
+ session_stop_listen (ls);
+ listen_session_free (ls);
+ }
+ app_listener_free (app, al);
}
-static void
-app_local_listener_free (application_t * app, app_listener_t * app_listener)
+static app_worker_t *
+app_listener_select_worker (app_listener_t *al)
{
- clib_bitmap_free (app_listener->workers);
- pool_put (app->local_listeners, app_listener);
- if (CLIB_DEBUG)
- memset (app_listener, 0xfa, sizeof (*app_listener));
+ application_t *app;
+ u32 wrk_index;
+
+ app = application_get (al->app_index);
+ wrk_index = clib_bitmap_next_set (al->workers, al->accept_rotor + 1);
+ if (wrk_index == ~0)
+ wrk_index = clib_bitmap_first_set (al->workers);
+
+ ASSERT (wrk_index != ~0);
+ al->accept_rotor = wrk_index;
+ return application_get_worker (app, wrk_index);
+}
+
+session_t *
+app_listener_get_session (app_listener_t * al)
+{
+ if (al->session_index == SESSION_INVALID_INDEX)
+ return 0;
+
+ return listen_session_get (al->session_index);
+}
+
+session_t *
+app_listener_get_local_session (app_listener_t * al)
+{
+ if (al->local_index == SESSION_INVALID_INDEX)
+ return 0;
+ return listen_session_get (al->local_index);
+}
+
+session_t *
+app_listener_get_wrk_cl_session (app_listener_t *al, u32 wrk_map_index)
+{
+ u32 si = vec_elt (al->cl_listeners, wrk_map_index);
+ return session_get (si, 0 /* listener thread */);
}
static app_worker_map_t *
{
app_worker_map_t *map;
pool_get (app->worker_maps, map);
- memset (map, 0, sizeof (*map));
+ clib_memset (map, 0, sizeof (*map));
return map;
}
static app_worker_map_t *
app_worker_map_get (application_t * app, u32 map_index)
{
+ if (pool_is_free_index (app->worker_maps, map_index))
+ return 0;
return pool_elt_at_index (app->worker_maps, map_index);
}
-static u8 *
-app_get_name_from_reg_index (application_t * app)
-{
- u8 *app_name;
-
- vl_api_registration_t *regp;
- regp = vl_api_client_index_to_registration (app->api_client_index);
- if (!regp)
- app_name = format (0, "builtin-%d%c", app->app_index, 0);
- else
- app_name = format (0, "%s%c", regp->name, 0);
-
- return app_name;
-}
-
-static u8 *
+static const u8 *
app_get_name (application_t * app)
{
- if (!app->name)
- return app_get_name_from_reg_index (app);
return app->name;
}
return app_ns->local_table_index;
}
-static void
-application_local_listener_session_endpoint (local_session_t * ll,
- session_endpoint_t * sep)
-{
- sep->transport_proto =
- session_type_transport_proto (ll->listener_session_type);
- sep->port = ll->port;
- sep->is_ip4 = ll->listener_session_type & 1;
-}
-
-int
-application_api_queue_is_full (application_t * app)
-{
- svm_queue_t *q;
-
- /* builtin servers are always OK */
- if (app->api_client_index == ~0)
- return 0;
-
- q = vl_api_client_index_to_input_queue (app->api_client_index);
- if (!q)
- return 1;
-
- if (q->cursize == q->maxsize)
- return 1;
- return 0;
-}
-
/**
- * Returns app name
- *
- * Since the name is not stored per app, we generate it on the fly. It is
- * the caller's responsibility to free the vector
+ * Returns app name for app-index
*/
-u8 *
+const u8 *
application_name_from_index (u32 app_index)
{
application_t *app = application_get (app_index);
if (!app)
return 0;
- return app_get_name_from_reg_index (app);
+ return app_get_name (app);
+}
+
+static void
+application_api_table_add (u32 app_index, u32 api_client_index)
+{
+ if (api_client_index != APP_INVALID_INDEX)
+ hash_set (app_main.app_by_api_client_index, api_client_index, app_index);
+}
+
+static void
+application_api_table_del (u32 api_client_index)
+{
+ hash_unset (app_main.app_by_api_client_index, api_client_index);
}
static void
-application_table_add (application_t * app)
+application_name_table_add (application_t * app)
{
- if (app->api_client_index != APP_INVALID_INDEX)
- hash_set (app_main.app_by_api_client_index, app->api_client_index,
- app->app_index);
- else if (app->name)
- hash_set_mem (app_main.app_by_name, app->name, app->app_index);
+ hash_set_mem (app_main.app_by_name, app->name, app->app_index);
}
static void
-application_table_del (application_t * app)
+application_name_table_del (application_t * app)
{
- if (app->api_client_index != APP_INVALID_INDEX)
- hash_unset (app_main.app_by_api_client_index, app->api_client_index);
- else if (app->name)
- hash_unset_mem (app_main.app_by_name, app->name);
+ hash_unset_mem (app_main.app_by_name, app->name);
}
application_t *
uword *p;
p = hash_get (app_main.app_by_api_client_index, api_client_index);
if (p)
- return application_get (p[0]);
+ return application_get_if_valid (p[0]);
return 0;
}
return 0;
}
-application_t *
-application_alloc (void)
+void
+appsl_pending_rx_mqs_add_tail (appsl_wrk_t *aw, app_rx_mq_elt_t *elt)
{
- application_t *app;
- pool_get (app_main.app_pool, app);
- memset (app, 0, sizeof (*app));
- app->app_index = app - app_main.app_pool;
- return app;
-}
+ app_rx_mq_elt_t *head;
-application_t *
-application_get (u32 app_index)
-{
- if (app_index == APP_INVALID_INDEX)
- return 0;
- return pool_elt_at_index (app_main.app_pool, app_index);
-}
+ if (!aw->pending_rx_mqs)
+ {
+ elt->next = elt->prev = elt;
+ aw->pending_rx_mqs = elt;
+ return;
+ }
-application_t *
-application_get_if_valid (u32 app_index)
-{
- if (pool_is_free_index (app_main.app_pool, app_index))
- return 0;
+ head = aw->pending_rx_mqs;
- return pool_elt_at_index (app_main.app_pool, app_index);
-}
+ ASSERT (head != elt);
-u32
-application_index (application_t * app)
-{
- return app - app_main.app_pool;
-}
+ elt->prev = head->prev;
+ elt->next = head;
-static void
-application_verify_cb_fns (session_cb_vft_t * cb_fns)
-{
- if (cb_fns->session_accept_callback == 0)
- clib_warning ("No accept callback function provided");
- if (cb_fns->session_connected_callback == 0)
- clib_warning ("No session connected callback function provided");
- if (cb_fns->session_disconnect_callback == 0)
- clib_warning ("No session disconnect callback function provided");
- if (cb_fns->session_reset_callback == 0)
- clib_warning ("No session reset callback function provided");
+ head->prev->next = elt;
+ head->prev = elt;
}
-/**
- * Check app config for given segment type
- *
- * Returns 1 on success and 0 otherwise
- */
-static u8
-application_verify_cfg (ssvm_segment_type_t st)
+void
+appsl_pending_rx_mqs_del (appsl_wrk_t *aw, app_rx_mq_elt_t *elt)
{
- u8 is_valid;
- if (st == SSVM_SEGMENT_MEMFD)
- {
- is_valid = (session_manager_get_evt_q_segment () != 0);
- if (!is_valid)
- clib_warning ("memfd seg: vpp's event qs IN binary api svm region");
- return is_valid;
- }
- else if (st == SSVM_SEGMENT_SHM)
+ if (elt->next == elt)
{
- is_valid = (session_manager_get_evt_q_segment () == 0);
- if (!is_valid)
- clib_warning ("shm seg: vpp's event qs NOT IN binary api svm region");
- return is_valid;
+ elt->next = elt->prev = 0;
+ aw->pending_rx_mqs = 0;
+ return;
}
- else
- return 1;
+
+ if (elt == aw->pending_rx_mqs)
+ aw->pending_rx_mqs = elt->next;
+
+ elt->next->prev = elt->prev;
+ elt->prev->next = elt->next;
+ elt->next = elt->prev = 0;
}
-int
-application_alloc_and_init (app_init_args_t * a)
+vlib_node_registration_t appsl_rx_mqs_input_node;
+
+VLIB_NODE_FN (appsl_rx_mqs_input_node)
+(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
{
- ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD;
- segment_manager_properties_t *props;
- vl_api_registration_t *reg;
- application_t *app;
- u64 *options;
+ u32 thread_index = vm->thread_index, n_msgs = 0;
+ app_rx_mq_elt_t *elt, *next;
+ app_main_t *am = &app_main;
+ session_worker_t *wrk;
+ int __clib_unused rv;
+ appsl_wrk_t *aw;
+ u64 buf;
- app = application_alloc ();
- options = a->options;
- /*
- * Make sure we support the requested configuration
- */
- if (!(options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN))
- {
- reg = vl_api_client_index_to_registration (a->api_client_index);
- if (!reg)
- return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
- if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
- seg_type = SSVM_SEGMENT_SHM;
- }
- else
+ aw = &am->wrk[thread_index];
+ elt = aw->pending_rx_mqs;
+ if (!elt)
+ return 0;
+
+ wrk = session_main_get_worker (thread_index);
+
+ do
{
- if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
+ if (!(elt->flags & APP_RX_MQ_F_POSTPONED))
+ rv = read (svm_msg_q_get_eventfd (elt->mq), &buf, sizeof (buf));
+ n_msgs += session_wrk_handle_mq (wrk, elt->mq);
+
+ next = elt->next;
+ appsl_pending_rx_mqs_del (aw, elt);
+ if (!svm_msg_q_is_empty (elt->mq))
+ {
+ elt->flags |= APP_RX_MQ_F_POSTPONED;
+ appsl_pending_rx_mqs_add_tail (aw, elt);
+ }
+ else
{
- clib_warning ("mq eventfds can only be used if socket transport is "
- "used for api");
- return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
+ elt->flags = 0;
}
- seg_type = SSVM_SEGMENT_PRIVATE;
+ elt = next;
}
+ while (aw->pending_rx_mqs && elt != aw->pending_rx_mqs);
- if (!application_verify_cfg (seg_type))
- return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
+ if (aw->pending_rx_mqs)
+ vlib_node_set_interrupt_pending (vm, appsl_rx_mqs_input_node.index);
- /* Check that the obvious things are properly set up */
- application_verify_cb_fns (a->session_cb_vft);
+ if (n_msgs && wrk->state == SESSION_WRK_INTERRUPT)
+ vlib_node_set_interrupt_pending (vm, session_queue_node.index);
- app->api_client_index = a->api_client_index;
- app->flags = options[APP_OPTIONS_FLAGS];
- app->cb_fns = *a->session_cb_vft;
- app->ns_index = options[APP_OPTIONS_NAMESPACE];
- app->proxied_transports = options[APP_OPTIONS_PROXY_TRANSPORT];
- app->name = vec_dup (a->name);
+ return n_msgs;
+}
- /* If no scope enabled, default to global */
- if (!application_has_global_scope (app)
- && !application_has_local_scope (app))
- app->flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
+VLIB_REGISTER_NODE (appsl_rx_mqs_input_node) = {
+ .name = "appsl-rx-mqs-input",
+ .type = VLIB_NODE_TYPE_INPUT,
+ .state = VLIB_NODE_STATE_DISABLED,
+};
- props = application_segment_manager_properties (app);
- segment_manager_properties_init (props);
- props->segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
- props->prealloc_fifos = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS];
- if (options[APP_OPTIONS_ADD_SEGMENT_SIZE])
- {
- props->add_segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
- props->add_segment = 1;
- }
- if (options[APP_OPTIONS_RX_FIFO_SIZE])
- props->rx_fifo_size = options[APP_OPTIONS_RX_FIFO_SIZE];
- if (options[APP_OPTIONS_TX_FIFO_SIZE])
- props->tx_fifo_size = options[APP_OPTIONS_TX_FIFO_SIZE];
- if (options[APP_OPTIONS_EVT_QUEUE_SIZE])
- props->evt_q_size = options[APP_OPTIONS_EVT_QUEUE_SIZE];
- if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
- props->use_mq_eventfd = 1;
- if (options[APP_OPTIONS_TLS_ENGINE])
- app->tls_engine = options[APP_OPTIONS_TLS_ENGINE];
- props->segment_type = seg_type;
+static clib_error_t *
+app_rx_mq_fd_read_ready (clib_file_t *cf)
+{
+ app_rx_mq_handle_t *handle = (app_rx_mq_handle_t *) &cf->private_data;
+ vlib_main_t *vm = vlib_get_main ();
+ app_main_t *am = &app_main;
+ app_rx_mq_elt_t *mqe;
+ application_t *app;
+ appsl_wrk_t *aw;
- /* Add app to lookup by api_client_index table */
- application_table_add (app);
- a->app_index = application_index (app);
+ ASSERT (vlib_get_thread_index () == handle->thread_index);
+ app = application_get_if_valid (handle->app_index);
+ if (!app)
+ return 0;
- APP_DBG ("New app name: %v api index: %u index %u", app->name,
- app->api_client_index, app->app_index);
+ mqe = &app->rx_mqs[handle->thread_index];
+ if ((mqe->flags & APP_RX_MQ_F_PENDING) || svm_msg_q_is_empty (mqe->mq))
+ return 0;
+
+ aw = &am->wrk[handle->thread_index];
+ appsl_pending_rx_mqs_add_tail (aw, mqe);
+ mqe->flags |= APP_RX_MQ_F_PENDING;
+
+ vlib_node_set_interrupt_pending (vm, appsl_rx_mqs_input_node.index);
return 0;
}
-void
-application_free (application_t * app)
+static clib_error_t *
+app_rx_mq_fd_write_ready (clib_file_t *cf)
+{
+ clib_warning ("should not be called");
+ return 0;
+}
+
+static void
+app_rx_mqs_epoll_add (application_t *app, app_rx_mq_elt_t *mqe)
+{
+ clib_file_t template = { 0 };
+ app_rx_mq_handle_t handle;
+ u32 thread_index;
+ int fd;
+
+ thread_index = mqe - app->rx_mqs;
+ fd = svm_msg_q_get_eventfd (mqe->mq);
+
+ handle.app_index = app->app_index;
+ handle.thread_index = thread_index;
+
+ template.read_function = app_rx_mq_fd_read_ready;
+ template.write_function = app_rx_mq_fd_write_ready;
+ template.file_descriptor = fd;
+ template.private_data = handle.as_u64;
+ template.polling_thread_index = thread_index;
+ template.description =
+ format (0, "app-%u-rx-mq-%u", app->app_index, thread_index);
+ mqe->file_index = clib_file_add (&file_main, &template);
+}
+
+static void
+app_rx_mqs_epoll_del (application_t *app, app_rx_mq_elt_t *mqe)
+{
+ u32 thread_index = mqe - app->rx_mqs;
+ app_main_t *am = &app_main;
+ appsl_wrk_t *aw;
+
+ aw = &am->wrk[thread_index];
+
+ session_wrk_handle_mq (session_main_get_worker (thread_index), mqe->mq);
+
+ if (mqe->flags & APP_RX_MQ_F_PENDING)
+ appsl_pending_rx_mqs_del (aw, mqe);
+
+ clib_file_del_by_index (&file_main, mqe->file_index);
+}
+
+svm_msg_q_t *
+application_rx_mq_get (application_t *app, u32 mq_index)
+{
+ if (!app->rx_mqs)
+ return 0;
+
+ return app->rx_mqs[mq_index].mq;
+}
+
+static int
+app_rx_mqs_alloc (application_t *app)
+{
+ u32 evt_q_length, evt_size = sizeof (session_event_t);
+ fifo_segment_t *eqs = &app->rx_mqs_segment;
+ u32 n_mqs = vlib_num_workers () + 1;
+ segment_manager_props_t *props;
+ int i;
+
+ props = application_segment_manager_properties (app);
+ evt_q_length = clib_max (props->evt_q_size, 128);
+
+ svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
+ svm_msg_q_ring_cfg_t rc[SESSION_MQ_N_RINGS] = {
+ { evt_q_length, evt_size, 0 }, { evt_q_length >> 1, 256, 0 }
+ };
+ cfg->consumer_pid = 0;
+ cfg->n_rings = 2;
+ cfg->q_nitems = evt_q_length;
+ cfg->ring_cfgs = rc;
+
+ eqs->ssvm.ssvm_size = svm_msg_q_size_to_alloc (cfg) * n_mqs + (1 << 20);
+ eqs->ssvm.name = format (0, "%v-rx-mqs-seg%c", app->name, 0);
+
+ if (ssvm_server_init (&eqs->ssvm, SSVM_SEGMENT_MEMFD))
+ {
+ clib_warning ("failed to initialize queue segment");
+ return SESSION_E_SEG_CREATE;
+ }
+
+ fifo_segment_init (eqs);
+
+ /* Fifo segment filled only with mqs */
+ eqs->h->n_mqs = n_mqs;
+ vec_validate (app->rx_mqs, n_mqs - 1);
+
+ for (i = 0; i < n_mqs; i++)
+ {
+ app->rx_mqs[i].mq = fifo_segment_msg_q_alloc (eqs, i, cfg);
+ if (svm_msg_q_alloc_eventfd (app->rx_mqs[i].mq))
+ {
+ clib_warning ("eventfd returned");
+ fifo_segment_cleanup (eqs);
+ ssvm_delete (&eqs->ssvm);
+ return SESSION_E_EVENTFD_ALLOC;
+ }
+ app_rx_mqs_epoll_add (app, &app->rx_mqs[i]);
+ app->rx_mqs[i].app_index = app->app_index;
+ }
+
+ return 0;
+}
+
+u8
+application_use_private_rx_mqs (void)
+{
+ return session_main.use_private_rx_mqs;
+}
+
+fifo_segment_t *
+application_get_rx_mqs_segment (application_t *app)
+{
+ if (application_use_private_rx_mqs ())
+ return &app->rx_mqs_segment;
+ return session_main_get_wrk_mqs_segment ();
+}
+
+void
+application_enable_rx_mqs_nodes (u8 is_en)
+{
+ u8 state = is_en ? VLIB_NODE_STATE_INTERRUPT : VLIB_NODE_STATE_DISABLED;
+
+ foreach_vlib_main ()
+ vlib_node_set_state (this_vlib_main, appsl_rx_mqs_input_node.index, state);
+}
+
+static application_t *
+application_alloc (void)
+{
+ application_t *app;
+ pool_get (app_main.app_pool, app);
+ clib_memset (app, 0, sizeof (*app));
+ app->app_index = app - app_main.app_pool;
+ return app;
+}
+
+application_t *
+application_get (u32 app_index)
+{
+ if (app_index == APP_INVALID_INDEX)
+ return 0;
+ return pool_elt_at_index (app_main.app_pool, app_index);
+}
+
+application_t *
+application_get_if_valid (u32 app_index)
+{
+ if (pool_is_free_index (app_main.app_pool, app_index))
+ return 0;
+
+ return pool_elt_at_index (app_main.app_pool, app_index);
+}
+
+static int
+_null_app_tx_callback (session_t *s)
+{
+ return 0;
+}
+
+static void
+application_verify_cb_fns (session_cb_vft_t * cb_fns)
+{
+ if (cb_fns->session_accept_callback == 0)
+ clib_warning ("No accept callback function provided");
+ if (cb_fns->session_connected_callback == 0)
+ clib_warning ("No session connected callback function provided");
+ if (cb_fns->session_disconnect_callback == 0)
+ clib_warning ("No session disconnect callback function provided");
+ if (cb_fns->session_reset_callback == 0)
+ clib_warning ("No session reset callback function provided");
+ if (!cb_fns->builtin_app_tx_callback)
+ cb_fns->builtin_app_tx_callback = _null_app_tx_callback;
+}
+
+/**
+ * Check app config for given segment type
+ *
+ * Returns 1 on success and 0 otherwise
+ */
+static u8
+application_verify_cfg (ssvm_segment_type_t st)
+{
+ u8 is_valid;
+ if (st == SSVM_SEGMENT_MEMFD)
+ {
+ is_valid = (session_main_get_wrk_mqs_segment () != 0);
+ if (!is_valid)
+ clib_warning ("memfd seg: vpp's event qs IN binary api svm region");
+ return is_valid;
+ }
+ else if (st == SSVM_SEGMENT_SHM)
+ {
+ is_valid = (session_main_get_wrk_mqs_segment () == 0);
+ if (!is_valid)
+ clib_warning ("shm seg: vpp's event qs NOT IN binary api svm region");
+ return is_valid;
+ }
+ else
+ return 1;
+}
+
+static session_error_t
+application_alloc_and_init (app_init_args_t *a)
+{
+ ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD;
+ segment_manager_props_t *props;
+ application_t *app;
+ u64 *opts;
+
+ app = application_alloc ();
+ opts = a->options;
+ /*
+ * Make sure we support the requested configuration
+ */
+ if ((opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_IS_BUILTIN) &&
+ !(opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_MEMFD_FOR_BUILTIN))
+ seg_type = SSVM_SEGMENT_PRIVATE;
+
+ if ((opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD) &&
+ seg_type != SSVM_SEGMENT_MEMFD)
+ {
+ clib_warning ("mq eventfds can only be used if socket transport is "
+ "used for binary api");
+ return SESSION_E_NOSUPPORT;
+ }
+
+ if (!application_verify_cfg (seg_type))
+ return SESSION_E_NOSUPPORT;
+
+ if (opts[APP_OPTIONS_PREALLOC_FIFO_PAIRS] &&
+ opts[APP_OPTIONS_PREALLOC_FIFO_HDRS])
+ return SESSION_E_NOSUPPORT;
+
+ /* Check that the obvious things are properly set up */
+ application_verify_cb_fns (a->session_cb_vft);
+
+ app->flags = opts[APP_OPTIONS_FLAGS];
+ app->cb_fns = *a->session_cb_vft;
+ app->ns_index = opts[APP_OPTIONS_NAMESPACE];
+ app->proxied_transports = opts[APP_OPTIONS_PROXY_TRANSPORT];
+ app->name = vec_dup (a->name);
+
+ /* If no scope enabled, default to global */
+ if (!application_has_global_scope (app)
+ && !application_has_local_scope (app))
+ app->flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
+
+ props = application_segment_manager_properties (app);
+ segment_manager_props_init (props);
+ props->segment_size = opts[APP_OPTIONS_SEGMENT_SIZE];
+ props->prealloc_fifos = opts[APP_OPTIONS_PREALLOC_FIFO_PAIRS];
+ props->prealloc_fifo_hdrs = opts[APP_OPTIONS_PREALLOC_FIFO_HDRS];
+ if (opts[APP_OPTIONS_ADD_SEGMENT_SIZE])
+ {
+ props->add_segment_size = opts[APP_OPTIONS_ADD_SEGMENT_SIZE];
+ props->add_segment = 1;
+ }
+ if (opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_USE_HUGE_PAGE)
+ props->huge_page = 1;
+ if (opts[APP_OPTIONS_RX_FIFO_SIZE])
+ props->rx_fifo_size = opts[APP_OPTIONS_RX_FIFO_SIZE];
+ if (opts[APP_OPTIONS_TX_FIFO_SIZE])
+ props->tx_fifo_size = opts[APP_OPTIONS_TX_FIFO_SIZE];
+ if (opts[APP_OPTIONS_EVT_QUEUE_SIZE])
+ props->evt_q_size = opts[APP_OPTIONS_EVT_QUEUE_SIZE];
+ if (opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
+ props->use_mq_eventfd = 1;
+ if (opts[APP_OPTIONS_TLS_ENGINE])
+ app->tls_engine = opts[APP_OPTIONS_TLS_ENGINE];
+ if (opts[APP_OPTIONS_MAX_FIFO_SIZE])
+ props->max_fifo_size = opts[APP_OPTIONS_MAX_FIFO_SIZE];
+ if (opts[APP_OPTIONS_HIGH_WATERMARK])
+ props->high_watermark = opts[APP_OPTIONS_HIGH_WATERMARK];
+ if (opts[APP_OPTIONS_LOW_WATERMARK])
+ props->low_watermark = opts[APP_OPTIONS_LOW_WATERMARK];
+ if (opts[APP_OPTIONS_PCT_FIRST_ALLOC])
+ props->pct_first_alloc = opts[APP_OPTIONS_PCT_FIRST_ALLOC];
+ props->segment_type = seg_type;
+
+ /* Add app to lookup by api_client_index table */
+ if (!application_is_builtin (app))
+ application_api_table_add (app->app_index, a->api_client_index);
+ else
+ application_name_table_add (app);
+
+ a->app_index = app->app_index;
+
+ APP_DBG ("New app name: %v api index: %u index %u", app->name,
+ a->api_client_index, app->app_index);
+
+ return 0;
+}
+
+static void
+application_free (application_t * app)
{
app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
- u32 table_index;
- local_session_t *ll;
- session_endpoint_t sep;
/*
* The app event queue allocated in first segment is cleared with
* the segment manager. No need to explicitly free it.
*/
- APP_DBG ("Delete app name %v api index: %d index: %d", app->name,
- app->api_client_index, app->app_index);
+ APP_DBG ("Delete app name %v index: %d", app->name, app->app_index);
if (application_is_proxy (app))
application_remove_proxy (app);
* Free workers
*/
- /* *INDENT-OFF* */
pool_flush (wrk_map, app->worker_maps, ({
app_wrk = app_worker_get (wrk_map->wrk_index);
app_worker_free (app_wrk);
}));
- /* *INDENT-ON* */
pool_free (app->worker_maps);
/*
- * Free local listeners. Global table unbinds stop local listeners
- * as well, but if we have only local binds, these won't be cleaned up.
- * Don't bother with local accepted sessions, we clean them when
- * cleaning up the worker.
+ * Free rx mqs if allocated
*/
- table_index = application_local_session_table (app);
- /* *INDENT-OFF* */
- pool_foreach (ll, app->local_listen_sessions, ({
- application_local_listener_session_endpoint (ll, &sep);
- session_lookup_del_session_endpoint (table_index, &sep);
- }));
- /* *INDENT-ON* */
- pool_free (app->local_listen_sessions);
+ if (app->rx_mqs)
+ {
+ int i;
+ for (i = 0; i < vec_len (app->rx_mqs); i++)
+ app_rx_mqs_epoll_del (app, &app->rx_mqs[i]);
+
+ fifo_segment_cleanup (&app->rx_mqs_segment);
+ ssvm_delete (&app->rx_mqs_segment.ssvm);
+ vec_free (app->rx_mqs);
+ }
/*
* Cleanup remaining state
*/
- application_table_del (app);
+ if (application_is_builtin (app))
+ application_name_table_del (app);
vec_free (app->name);
- vec_free (app->tls_cert);
- vec_free (app->tls_key);
pool_put (app_main.app_pool, app);
}
-app_worker_t *
-application_get_worker (application_t * app, u32 wrk_map_index)
+static void
+application_detach_process (application_t * app, u32 api_client_index)
{
- app_worker_map_t *map;
- map = app_worker_map_get (app, wrk_map_index);
- if (!map)
- return 0;
- return app_worker_get (map->wrk_index);
-}
+ vnet_app_worker_add_del_args_t _args = { 0 }, *args = &_args;
+ app_worker_map_t *wrk_map;
+ u32 *wrks = 0, *wrk_index;
+ app_worker_t *app_wrk;
-app_worker_t *
-application_get_default_worker (application_t * app)
-{
- return application_get_worker (app, 0);
+ if (api_client_index == ~0)
+ {
+ application_free (app);
+ return;
+ }
+
+ APP_DBG ("Detaching for app %v index %u api client index %u", app->name,
+ app->app_index, api_client_index);
+
+ pool_foreach (wrk_map, app->worker_maps) {
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ if (app_wrk->api_client_index == api_client_index)
+ vec_add1 (wrks, app_wrk->wrk_index);
+ }
+
+ if (!vec_len (wrks))
+ {
+ clib_warning ("no workers for app %u api_index %u", app->app_index,
+ api_client_index);
+ return;
+ }
+
+ args->app_index = app->app_index;
+ args->api_client_index = api_client_index;
+ vec_foreach (wrk_index, wrks)
+ {
+ app_wrk = app_worker_get (wrk_index[0]);
+ args->wrk_map_index = app_wrk->wrk_map_index;
+ args->is_add = 0;
+ vnet_app_worker_add_del (args);
+ }
+ vec_free (wrks);
}
-app_worker_t *
-application_listener_select_worker (stream_session_t * ls, u8 is_local)
+void
+application_namespace_cleanup (app_namespace_t *app_ns)
{
- app_listener_t *app_listener;
+ u32 *app_indices = 0, *app_index;
application_t *app;
- u32 wrk_index;
+ u32 ns_index;
- app = application_get (ls->app_index);
- if (!is_local)
- app_listener = app_listener_get (app, ls->listener_db_index);
- else
- app_listener = app_local_listener_get (app, ls->listener_db_index);
+ ns_index = app_namespace_index (app_ns);
+ pool_foreach (app, app_main.app_pool)
+ if (app->ns_index == ns_index)
+ vec_add1 (app_indices, app->app_index);
- wrk_index = clib_bitmap_next_set (app_listener->workers,
- app_listener->accept_rotor + 1);
- if (wrk_index == ~0)
- wrk_index = clib_bitmap_first_set (app_listener->workers);
+ vec_foreach (app_index, app_indices)
+ {
+ app = application_get (*app_index);
- ASSERT (wrk_index != ~0);
- app_listener->accept_rotor = wrk_index;
- return application_get_worker (app, wrk_index);
+ if (application_is_proxy (app))
+ application_remove_proxy (app);
+ app->flags &= ~APP_OPTIONS_FLAGS_IS_PROXY;
+
+ application_free (app);
+ }
+ vec_free (app_indices);
}
app_worker_t *
-app_worker_alloc (application_t * app)
+application_get_worker (application_t * app, u32 wrk_map_index)
{
- app_worker_t *app_wrk;
- pool_get (app_main.workers, app_wrk);
- memset (app_wrk, 0, sizeof (*app_wrk));
- app_wrk->wrk_index = app_wrk - app_main.workers;
- app_wrk->app_index = app->app_index;
- app_wrk->wrk_map_index = ~0;
- app_wrk->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- app_wrk->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- app_wrk->local_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
- APP_DBG ("New app %v worker %u", app_get_name (app), app_wrk->wrk_index);
- return app_wrk;
+ app_worker_map_t *map;
+ map = app_worker_map_get (app, wrk_map_index);
+ if (!map)
+ return 0;
+ return app_worker_get (map->wrk_index);
}
app_worker_t *
-app_worker_get (u32 wrk_index)
+application_get_default_worker (application_t * app)
{
- return pool_elt_at_index (app_main.workers, wrk_index);
+ return application_get_worker (app, 0);
}
-app_worker_t *
-app_worker_get_if_valid (u32 wrk_index)
+u32
+application_n_workers (application_t * app)
{
- if (pool_is_free_index (app_main.workers, wrk_index))
- return 0;
- return pool_elt_at_index (app_main.workers, wrk_index);
+ return pool_elts (app->worker_maps);
}
-void
-app_worker_free (app_worker_t * app_wrk)
+app_worker_t *
+application_listener_select_worker (session_t * ls)
{
- application_t *app = application_get (app_wrk->app_index);
- vnet_unbind_args_t _a, *a = &_a;
- u64 handle, *handles = 0;
- segment_manager_t *sm;
- u32 sm_index;
- int i;
+ app_listener_t *al;
- /*
- * Listener cleanup
- */
+ al = app_listener_get (ls->al_index);
+ return app_listener_select_worker (al);
+}
- /* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app_wrk->listeners_table,
- ({
- vec_add1 (handles, handle);
- sm = segment_manager_get (sm_index);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- }));
- /* *INDENT-ON* */
+always_inline u32
+app_listener_cl_flow_hash (session_dgram_hdr_t *hdr)
+{
+ u32 hash = 0;
- for (i = 0; i < vec_len (handles); i++)
+ if (hdr->is_ip4)
{
- a->app_index = app->app_index;
- a->wrk_map_index = app_wrk->wrk_map_index;
- a->handle = handles[i];
- /* seg manager is removed when unbind completes */
- vnet_unbind (a);
+ hash = clib_crc32c_u32 (hash, hdr->rmt_ip.ip4.as_u32);
+ hash = clib_crc32c_u32 (hash, hdr->lcl_ip.ip4.as_u32);
+ hash = clib_crc32c_u16 (hash, hdr->rmt_port);
+ hash = clib_crc32c_u16 (hash, hdr->lcl_port);
}
-
- /*
- * Connects segment manager cleanup
- */
-
- if (app_wrk->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX)
+ else
{
- sm = segment_manager_get (app_wrk->connects_seg_manager);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_init_del (sm);
+ hash = clib_crc32c_u64 (hash, hdr->rmt_ip.ip6.as_u64[0]);
+ hash = clib_crc32c_u64 (hash, hdr->rmt_ip.ip6.as_u64[1]);
+ hash = clib_crc32c_u64 (hash, hdr->lcl_ip.ip6.as_u64[0]);
+ hash = clib_crc32c_u64 (hash, hdr->lcl_ip.ip6.as_u64[1]);
+ hash = clib_crc32c_u16 (hash, hdr->rmt_port);
+ hash = clib_crc32c_u16 (hash, hdr->lcl_port);
}
- /* If first segment manager is used by a listener */
- if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
- && app_wrk->first_segment_manager != app_wrk->connects_seg_manager)
+ return hash;
+}
+
+session_t *
+app_listener_select_wrk_cl_session (session_t *ls, session_dgram_hdr_t *hdr)
+{
+ u32 wrk_map_index = 0;
+ app_listener_t *al;
+
+ al = app_listener_get (ls->al_index);
+ /* Crude test to check if only worker 0 is set */
+ if (al->workers[0] != 1)
{
- sm = segment_manager_get (app_wrk->first_segment_manager);
- /* .. and has no fifos, e.g. it might be used for redirected sessions,
- * remove it */
- if (!segment_manager_has_fifos (sm))
- {
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_del (sm);
- }
+ u32 hash = app_listener_cl_flow_hash (hdr);
+ hash %= vec_len (al->workers) * sizeof (uword);
+ wrk_map_index = clib_bitmap_next_set (al->workers, hash);
+ if (wrk_map_index == ~0)
+ wrk_map_index = clib_bitmap_first_set (al->workers);
}
- /*
- * Local sessions
- */
- app_worker_local_sessions_free (app_wrk);
-
- pool_put (app_main.workers, app_wrk);
- if (CLIB_DEBUG)
- memset (app_wrk, 0xfe, sizeof (*app_wrk));
+ return app_listener_get_wrk_cl_session (al, wrk_map_index);
}
int
-app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk)
+application_alloc_worker_and_init (application_t * app, app_worker_t ** wrk)
{
app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
/*
* Setup first segment manager
*/
- sm = segment_manager_new ();
+ sm = segment_manager_alloc ();
sm->app_wrk_index = app_wrk->wrk_index;
- if ((rv = segment_manager_init (sm, app->sm_properties.segment_size,
- app->sm_properties.prealloc_fifos)))
+ if ((rv = segment_manager_init_first (sm)))
{
app_worker_free (app_wrk);
return rv;
/*
* Setup app worker
*/
- app_wrk->first_segment_manager = segment_manager_index (sm);
+ app_wrk->connects_seg_manager = segment_manager_index (sm);
app_wrk->listeners_table = hash_create (0, sizeof (u64));
app_wrk->event_queue = segment_manager_event_queue (sm);
app_wrk->app_is_builtin = application_is_builtin (app);
- /*
- * Segment manager for local sessions
- */
- sm = segment_manager_new ();
- sm->app_wrk_index = app_wrk->wrk_index;
- app_wrk->local_segment_manager = segment_manager_index (sm);
- app_wrk->local_connects = hash_create (0, sizeof (u64));
-
*wrk = app_wrk;
return 0;
}
-application_t *
-app_worker_get_app (u32 wrk_index)
+session_error_t
+vnet_app_worker_add_del (vnet_app_worker_add_del_args_t *a)
{
+ fifo_segment_t *fs;
+ app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
- app_wrk = app_worker_get_if_valid (wrk_index);
- if (!app_wrk)
- return 0;
- return application_get_if_valid (app_wrk->app_index);
-}
+ segment_manager_t *sm;
+ application_t *app;
+ int rv;
-static segment_manager_t *
-app_worker_alloc_segment_manager (app_worker_t * app_wrk)
-{
- segment_manager_t *sm = 0;
+ app = application_get (a->app_index);
+ if (!app)
+ return SESSION_E_INVALID;
- /* If the first segment manager is not in use, don't allocate a new one */
- if (app_wrk->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
- && app_wrk->first_segment_manager_in_use == 0)
+ if (a->is_add)
{
- sm = segment_manager_get (app_wrk->first_segment_manager);
- app_wrk->first_segment_manager_in_use = 1;
- return sm;
+ if ((rv = application_alloc_worker_and_init (app, &app_wrk)))
+ return rv;
+
+ /* Map worker api index to the app */
+ app_wrk->api_client_index = a->api_client_index;
+ application_api_table_add (app->app_index, a->api_client_index);
+
+ sm = segment_manager_get (app_wrk->connects_seg_manager);
+ fs = segment_manager_get_segment_w_lock (sm, 0);
+ a->segment = &fs->ssvm;
+ a->segment_handle = segment_manager_segment_handle (sm, fs);
+ segment_manager_segment_reader_unlock (sm);
+ a->evt_q = app_wrk->event_queue;
+ a->wrk_map_index = app_wrk->wrk_map_index;
}
+ else
+ {
+ wrk_map = app_worker_map_get (app, a->wrk_map_index);
+ if (!wrk_map)
+ return SESSION_E_INVALID;
- sm = segment_manager_new ();
- sm->app_wrk_index = app_wrk->wrk_index;
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ if (!app_wrk)
+ return SESSION_E_INVALID;
- return sm;
+ application_api_table_del (app_wrk->api_client_index);
+ if (appns_sapi_enabled ())
+ sapi_socket_close_w_handle (app_wrk->api_client_index);
+ app_worker_free (app_wrk);
+ app_worker_map_free (app, wrk_map);
+ if (application_n_workers (app) == 0)
+ application_free (app);
+ }
+ return 0;
}
-int
-app_worker_start_listen (app_worker_t * app_wrk, stream_session_t * ls)
+static session_error_t
+app_validate_namespace (u8 *namespace_id, u64 secret, u32 *app_ns_index)
{
- segment_manager_t *sm;
-
- /* Allocate segment manager. All sessions derived out of a listen session
- * have fifos allocated by the same segment manager. */
- if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
- return -1;
-
- /* Add to app's listener table. Useful to find all child listeners
- * when app goes down, although, just for unbinding this is not needed */
- hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
- segment_manager_index (sm));
-
- if (!ls->server_rx_fifo
- && session_transport_service_type (ls) == TRANSPORT_SERVICE_CL)
+ app_namespace_t *app_ns;
+ if (vec_len (namespace_id) == 0)
{
- if (session_alloc_fifos (sm, ls))
- return -1;
+ /* Use default namespace */
+ *app_ns_index = 0;
+ return 0;
}
+
+ *app_ns_index = app_namespace_index_from_id (namespace_id);
+ if (*app_ns_index == APP_NAMESPACE_INVALID_INDEX)
+ return SESSION_E_INVALID_NS;
+ app_ns = app_namespace_get (*app_ns_index);
+ if (!app_ns)
+ return SESSION_E_INVALID_NS;
+ if (app_ns->ns_secret != secret)
+ return SESSION_E_WRONG_NS_SECRET;
return 0;
}
-int
-app_worker_stop_listen (app_worker_t * app_wrk, session_handle_t handle)
+static u8 *
+app_name_from_api_index (u32 api_client_index)
+{
+ vl_api_registration_t *regp;
+ regp = vl_api_client_index_to_registration (api_client_index);
+ if (regp)
+ return format (0, "%s", regp->name);
+
+ clib_warning ("api client index %u does not have an api registration!",
+ api_client_index);
+ return format (0, "unknown");
+}
+
+/**
+ * Attach application to vpp
+ *
+ * Allocates a vpp app, i.e., a structure that keeps back pointers
+ * to external app and a segment manager for shared memory fifo based
+ * communication with the external app.
+ */
+session_error_t
+vnet_application_attach (vnet_app_attach_args_t *a)
{
+ fifo_segment_t *fs;
+ application_t *app = 0;
+ app_worker_t *app_wrk;
segment_manager_t *sm;
- uword *sm_indexp;
+ u32 app_ns_index = 0;
+ u8 *app_name = 0;
+ u64 secret;
+ session_error_t rv;
+
+ if (a->api_client_index != APP_INVALID_INDEX)
+ app = application_lookup (a->api_client_index);
+ else if (a->name)
+ app = application_lookup_name (a->name);
+ else
+ return SESSION_E_INVALID;
- sm_indexp = hash_get (app_wrk->listeners_table, handle);
- if (PREDICT_FALSE (!sm_indexp))
- {
- clib_warning ("listener handle was removed %llu!", handle);
- return -1;
- }
+ if (app)
+ return SESSION_E_APP_ATTACHED;
- sm = segment_manager_get (*sm_indexp);
- if (app_wrk->first_segment_manager == *sm_indexp)
+ /* Socket api sets the name and validates namespace prior to attach */
+ if (!a->use_sock_api)
{
- /* Delete sessions but don't remove segment manager */
- app_wrk->first_segment_manager_in_use = 0;
- segment_manager_del_sessions (sm);
+ if (a->api_client_index != APP_INVALID_INDEX)
+ {
+ app_name = app_name_from_api_index (a->api_client_index);
+ a->name = app_name;
+ }
+
+ secret = a->options[APP_OPTIONS_NAMESPACE_SECRET];
+ if ((rv = app_validate_namespace (a->namespace_id, secret,
+ &app_ns_index)))
+ return rv;
+ a->options[APP_OPTIONS_NAMESPACE] = app_ns_index;
}
- else
+
+ if ((rv = application_alloc_and_init ((app_init_args_t *) a)))
+ return rv;
+
+ app = application_get (a->app_index);
+ if ((rv = application_alloc_worker_and_init (app, &app_wrk)))
+ return rv;
+
+ a->app_evt_q = app_wrk->event_queue;
+ app_wrk->api_client_index = a->api_client_index;
+ sm = segment_manager_get (app_wrk->connects_seg_manager);
+ fs = segment_manager_get_segment_w_lock (sm, 0);
+
+ if (application_is_proxy (app))
{
- segment_manager_init_del (sm);
+ application_setup_proxy (app);
+ /* The segment manager pool is reallocated because a new listener
+ * is added. Re-grab segment manager to avoid dangling reference */
+ sm = segment_manager_get (app_wrk->connects_seg_manager);
}
- hash_unset (app_wrk->listeners_table, handle);
- return 0;
+ ASSERT (vec_len (fs->ssvm.name) <= 128);
+ a->segment = &fs->ssvm;
+ a->segment_handle = segment_manager_segment_handle (sm, fs);
+
+ segment_manager_segment_reader_unlock (sm);
+
+ if (!application_is_builtin (app) && application_use_private_rx_mqs ())
+ rv = app_rx_mqs_alloc (app);
+
+ vec_free (app_name);
+ return rv;
}
/**
- * Start listening local transport endpoint for requested transport.
- *
- * Creates a 'dummy' stream session with state LISTENING to be used in session
- * lookups, prior to establishing connection. Requests transport to build
- * it's own specific listening connection.
+ * Detach application from vpp
*/
-int
-application_start_listen (application_t * app,
- session_endpoint_extended_t * sep_ext,
- session_handle_t * res)
+session_error_t
+vnet_application_detach (vnet_app_detach_args_t *a)
{
- app_listener_t *app_listener;
- u32 table_index, fib_proto;
- session_endpoint_t *sep;
- app_worker_t *app_wrk;
- stream_session_t *ls;
- session_handle_t lh;
- session_type_t sst;
+ application_t *app;
- /*
- * Check if sep is already listened on
- */
- sep = (session_endpoint_t *) sep_ext;
- fib_proto = session_endpoint_fib_proto (sep);
- table_index = application_session_table (app, fib_proto);
- lh = session_lookup_endpoint_listener (table_index, sep, 1);
- if (lh != SESSION_INVALID_HANDLE)
+ app = application_get_if_valid (a->app_index);
+ if (!app)
{
- ls = listen_session_get_from_handle (lh);
- if (ls->app_index != app->app_index)
- return VNET_API_ERROR_ADDRESS_IN_USE;
+ clib_warning ("app not attached");
+ return SESSION_E_NOAPP;
+ }
- app_wrk = app_worker_get (sep_ext->app_wrk_index);
- if (ls->app_wrk_index == app_wrk->wrk_index)
- return VNET_API_ERROR_ADDRESS_IN_USE;
+ app_interface_check_thread_and_barrier (vnet_application_detach, a);
+ application_detach_process (app, a->api_client_index);
+ return 0;
+}
- if (app_worker_start_listen (app_wrk, ls))
- return -1;
+static u8
+session_endpoint_in_ns (session_endpoint_cfg_t *sep)
+{
+ u8 is_lep;
- app_listener = app_listener_get (app, ls->listener_db_index);
- app_listener->workers = clib_bitmap_set (app_listener->workers,
- app_wrk->wrk_map_index, 1);
+ if (sep->flags & SESSION_ENDPT_CFG_F_PROXY_LISTEN)
+ return 1;
- *res = listen_session_get_handle (ls);
+ is_lep = session_endpoint_is_local ((session_endpoint_t *) sep);
+ if (!is_lep && sep->sw_if_index != ENDPOINT_INVALID_INDEX
+ && !ip_interface_has_address (sep->sw_if_index, &sep->ip, sep->is_ip4))
+ {
+ clib_warning ("sw_if_index %u not configured with ip %U",
+ sep->sw_if_index, format_ip46_address, &sep->ip,
+ sep->is_ip4);
return 0;
}
- /*
- * Allocate new listener for application
- */
- sst = session_type_from_proto_and_ip (sep_ext->transport_proto,
- sep_ext->is_ip4);
- ls = listen_session_new (0, sst);
- ls->app_index = app->app_index;
+ return (is_lep || ip_is_local (sep->fib_index, &sep->ip, sep->is_ip4));
+}
+
+static void
+session_endpoint_update_for_app (session_endpoint_cfg_t * sep,
+ application_t * app, u8 is_connect)
+{
+ app_namespace_t *app_ns;
+ u32 ns_index, fib_index;
- if (session_listen (ls, sep_ext))
- goto err;
+ ns_index = app->ns_index;
- app_listener = app_listener_alloc (app);
- ls->listener_db_index = app_listener->al_index;
+ /* App is a transport proto, so fetch the calling app's ns */
+ if (app->flags & APP_OPTIONS_FLAGS_IS_TRANSPORT_APP)
+ ns_index = sep->ns_index;
- /*
- * Setup app worker as a listener
+ app_ns = app_namespace_get (ns_index);
+ if (!app_ns)
+ return;
+
+ /* Ask transport and network to bind to/connect using local interface
+ * that "supports" app's namespace. This will fix our local connection
+ * endpoint.
*/
- app_wrk = app_worker_get (sep_ext->app_wrk_index);
- ls->app_wrk_index = app_wrk->wrk_index;
- if (app_worker_start_listen (app_wrk, ls))
- goto err;
- app_listener->workers = clib_bitmap_set (app_listener->workers,
- app_wrk->wrk_map_index, 1);
- *res = listen_session_get_handle (ls);
- return 0;
+ /* If in default namespace and user requested a fib index use it */
+ if (ns_index == 0 && sep->fib_index != ENDPOINT_INVALID_INDEX)
+ fib_index = sep->fib_index;
+ else
+ fib_index = sep->is_ip4 ? app_ns->ip4_fib_index : app_ns->ip6_fib_index;
+ sep->peer.fib_index = fib_index;
+ sep->fib_index = fib_index;
+
+ if (!is_connect)
+ {
+ sep->sw_if_index = app_ns->sw_if_index;
+ }
+ else
+ {
+ if (app_ns->sw_if_index != APP_NAMESPACE_INVALID_INDEX
+ && sep->peer.sw_if_index != ENDPOINT_INVALID_INDEX
+ && sep->peer.sw_if_index != app_ns->sw_if_index)
+ clib_warning ("Local sw_if_index different from app ns sw_if_index");
-err:
- listen_session_del (ls);
- return -1;
+ sep->peer.sw_if_index = app_ns->sw_if_index;
+ }
}
-/**
- * Stop listening on session associated to handle
- *
- * @param handle listener handle
- * @param app_index index of the app owning the handle.
- * @param app_wrk_index index of the worker requesting the stop
- */
-int
-application_stop_listen (u32 app_index, u32 app_wrk_index,
- session_handle_t handle)
+session_error_t
+vnet_listen (vnet_listen_args_t *a)
{
app_listener_t *app_listener;
- stream_session_t *listener;
app_worker_t *app_wrk;
application_t *app;
+ int rv;
- listener = listen_session_get_from_handle (handle);
- app = application_get (app_index);
- if (PREDICT_FALSE (!app || app->app_index != listener->app_index))
- {
- clib_warning ("app doesn't own handle %llu!", handle);
- return -1;
- }
+ ASSERT (vlib_thread_is_main_w_barrier ());
- app_listener = app_listener_get (app, listener->listener_db_index);
- if (!clib_bitmap_get (app_listener->workers, app_wrk_index))
- {
- clib_warning ("worker not listening on handle %lu", handle);
+ app = application_get_if_valid (a->app_index);
+ if (!app)
+ return SESSION_E_NOAPP;
+
+ app_wrk = application_get_worker (app, a->wrk_map_index);
+ if (!app_wrk)
+ return SESSION_E_INVALID_APPWRK;
+
+ a->sep_ext.app_wrk_index = app_wrk->wrk_index;
+
+ session_endpoint_update_for_app (&a->sep_ext, app, 0 /* is_connect */ );
+ if (!session_endpoint_in_ns (&a->sep_ext))
+ return SESSION_E_INVALID_NS;
+
+ /*
+ * Check if we already have an app listener
+ */
+ app_listener = app_listener_lookup (app, &a->sep_ext);
+ if (app_listener)
+ {
+ if (app_listener->app_index != app->app_index)
+ return SESSION_E_ALREADY_LISTENING;
+ if ((rv = app_worker_start_listen (app_wrk, app_listener)))
+ return rv;
+ a->handle = app_listener_handle (app_listener);
return 0;
}
- app_wrk = application_get_worker (app, app_wrk_index);
- app_worker_stop_listen (app_wrk, handle);
- clib_bitmap_set_no_check (app_listener->workers, app_wrk_index, 0);
+ /*
+ * Create new app listener
+ */
+ if ((rv = app_listener_alloc_and_init (app, &a->sep_ext, &app_listener)))
+ return rv;
- if (clib_bitmap_is_zero (app_listener->workers))
+ if ((rv = app_worker_start_listen (app_wrk, app_listener)))
{
- session_stop_listen (listener);
- app_listener_free (app, app_listener);
- listen_session_del (listener);
+ app_listener_cleanup (app_listener);
+ return rv;
}
+ a->handle = app_listener_handle (app_listener);
return 0;
}
-int
-app_worker_open_session (app_worker_t * app, session_endpoint_t * sep,
- u32 api_context)
+session_error_t
+vnet_connect (vnet_connect_args_t *a)
{
- int rv;
+ app_worker_t *client_wrk;
+ application_t *client;
- /* Make sure we have a segment manager for connects */
- app_worker_alloc_connects_segment_manager (app);
+ ASSERT (session_vlib_thread_is_cl_thread ());
- if ((rv = session_open (app->wrk_index, sep, api_context)))
- return rv;
+ if (session_endpoint_is_zero (&a->sep))
+ return SESSION_E_INVALID_RMT_IP;
- return 0;
-}
+ client = application_get (a->app_index);
+ session_endpoint_update_for_app (&a->sep_ext, client, 1 /* is_connect */ );
+ client_wrk = application_get_worker (client, a->wrk_map_index);
-int
-app_worker_alloc_connects_segment_manager (app_worker_t * app_wrk)
-{
- segment_manager_t *sm;
+ a->sep_ext.opaque = a->api_context;
- if (app_wrk->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
+ /*
+ * First check the local scope for locally attached destinations.
+ * If we have local scope, we pass *all* connects through it since we may
+ * have special policy rules even for non-local destinations, think proxy.
+ */
+ if (application_has_local_scope (client))
{
- sm = app_worker_alloc_segment_manager (app_wrk);
- if (sm == 0)
- return -1;
- app_wrk->connects_seg_manager = segment_manager_index (sm);
- }
- return 0;
-}
+ session_error_t rv;
-segment_manager_t *
-app_worker_get_connect_segment_manager (app_worker_t * app)
-{
- ASSERT (app->connects_seg_manager != (u32) ~ 0);
- return segment_manager_get (app->connects_seg_manager);
-}
-
-segment_manager_t *
-app_worker_get_listen_segment_manager (app_worker_t * app,
- stream_session_t * s)
-{
- uword *smp;
- smp = hash_get (app->listeners_table, listen_session_get_handle (s));
- ASSERT (smp != 0);
- return segment_manager_get (*smp);
+ a->sep_ext.original_tp = a->sep_ext.transport_proto;
+ a->sep_ext.transport_proto = TRANSPORT_PROTO_NONE;
+ rv = app_worker_connect_session (client_wrk, &a->sep_ext, &a->sh);
+ a->sep_ext.transport_proto = a->sep_ext.original_tp;
+ if (!rv || rv != SESSION_E_LOCAL_CONNECT)
+ return rv;
+ }
+ /*
+ * Not connecting to a local server, propagate to transport
+ */
+ return app_worker_connect_session (client_wrk, &a->sep_ext, &a->sh);
}
-clib_error_t *
-vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a)
+session_error_t
+vnet_unlisten (vnet_unlisten_args_t *a)
{
- svm_fifo_segment_private_t *fs;
- app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
- segment_manager_t *sm;
+ app_listener_t *al;
application_t *app;
- int rv;
- app = application_get (a->app_index);
- if (!app)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "App %u does not exist", a->app_index);
+ ASSERT (vlib_thread_is_main_w_barrier ());
- if (a->is_add)
+ if (!(app = application_get_if_valid (a->app_index)))
+ return SESSION_E_NOAPP;
+
+ if (!(al = app_listener_get_w_handle (a->handle)))
+ return SESSION_E_NOLISTEN;
+
+ if (al->app_index != app->app_index)
{
- if ((rv = app_worker_alloc_and_init (app, &app_wrk)))
- return clib_error_return_code (0, rv, 0, "app wrk init: %d", rv);
- sm = segment_manager_get (app_wrk->first_segment_manager);
- fs = segment_manager_get_segment_w_lock (sm, 0);
- a->segment = &fs->ssvm;
- segment_manager_segment_reader_unlock (sm);
- a->evt_q = app_wrk->event_queue;
- a->wrk_index = app_wrk->wrk_map_index;
+ clib_warning ("app doesn't own handle %llu!", a->handle);
+ return SESSION_E_OWNER;
}
- else
+
+ app_wrk = application_get_worker (app, a->wrk_map_index);
+ if (!app_wrk)
{
- wrk_map = app_worker_map_get (app, a->wrk_index);
- if (!wrk_map)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "App %u does not have worker %u",
- app->app_index, a->wrk_index);
- app_wrk = app_worker_get (wrk_map->wrk_index);
- app_worker_map_free (app, wrk_map);
- if (!app_wrk)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "No worker %u", a->wrk_index);
- app_worker_free (app_wrk);
+ clib_warning ("no app %u worker %u", app->app_index, a->wrk_map_index);
+ return SESSION_E_INVALID_APPWRK;
}
+
+ return app_worker_stop_listen (app_wrk, al);
+}
+
+session_error_t
+vnet_shutdown_session (vnet_shutdown_args_t *a)
+{
+ app_worker_t *app_wrk;
+ session_t *s;
+
+ s = session_get_from_handle_if_valid (a->handle);
+ if (!s)
+ return SESSION_E_NOSESSION;
+
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if (app_wrk->app_index != a->app_index)
+ return SESSION_E_OWNER;
+
+ /* We're peeking into another's thread pool. Make sure */
+ ASSERT (s->session_index == session_index_from_handle (a->handle));
+
+ session_half_close (s);
return 0;
}
-segment_manager_t *
-application_get_local_segment_manager (app_worker_t * app)
+session_error_t
+vnet_disconnect_session (vnet_disconnect_args_t *a)
{
- return segment_manager_get (app->local_segment_manager);
+ app_worker_t *app_wrk;
+ session_t *s;
+
+ s = session_get_from_handle_if_valid (a->handle);
+ if (!s)
+ return SESSION_E_NOSESSION;
+
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if (app_wrk->app_index != a->app_index)
+ return SESSION_E_OWNER;
+
+ /* We're peeking into another's thread pool. Make sure */
+ ASSERT (s->session_index == session_index_from_handle (a->handle));
+
+ session_close (s);
+ return 0;
}
-segment_manager_t *
-application_get_local_segment_manager_w_session (app_worker_t * app,
- local_session_t * ls)
+int
+application_change_listener_owner (session_t * s, app_worker_t * app_wrk)
{
- stream_session_t *listener;
- if (application_local_session_listener_has_transport (ls))
- {
- listener = listen_session_get (ls->listener_index);
- return app_worker_get_listen_segment_manager (app, listener);
- }
- return segment_manager_get (app->local_segment_manager);
+ app_worker_t *old_wrk = app_worker_get (s->app_wrk_index);
+ app_listener_t *app_listener;
+ application_t *app;
+ int rv;
+
+ if (!old_wrk)
+ return SESSION_E_INVALID_APPWRK;
+
+ hash_unset (old_wrk->listeners_table, listen_session_get_handle (s));
+ if (session_transport_service_type (s) == TRANSPORT_SERVICE_CL
+ && s->rx_fifo)
+ segment_manager_dealloc_fifos (s->rx_fifo, s->tx_fifo);
+
+ app = application_get (old_wrk->app_index);
+ if (!app)
+ return SESSION_E_NOAPP;
+
+ app_listener = app_listener_get (s->al_index);
+
+ /* Only remove from lb for now */
+ app_listener->workers = clib_bitmap_set (app_listener->workers,
+ old_wrk->wrk_map_index, 0);
+
+ if ((rv = app_worker_start_listen (app_wrk, app_listener)))
+ return rv;
+
+ s->app_wrk_index = app_wrk->wrk_index;
+
+ return 0;
}
int
return app->flags & APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
}
-u8
-application_use_mq_for_ctrl (application_t * app)
-{
- return app->flags & APP_OPTIONS_FLAGS_USE_MQ_FOR_CTRL_MSGS;
-}
-
-/**
- * Send an API message to the external app, to map new segment
- */
int
-app_worker_add_segment_notify (u32 app_wrk_index, ssvm_private_t * fs)
-{
- app_worker_t *app_wrk = app_worker_get (app_wrk_index);
- application_t *app = application_get (app_wrk->app_index);
- return app->cb_fns.add_segment_callback (app->api_client_index, fs);
-}
-
-u32
-application_n_listeners (app_worker_t * app)
-{
- return hash_elts (app->listeners_table);
-}
-
-stream_session_t *
-app_worker_first_listener (app_worker_t * app, u8 fib_proto,
- u8 transport_proto)
-{
- stream_session_t *listener;
- u64 handle;
- u32 sm_index;
- u8 sst;
-
- sst = session_type_from_proto_and_ip (transport_proto,
- fib_proto == FIB_PROTOCOL_IP4);
-
- /* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app->listeners_table, ({
- listener = listen_session_get_from_handle (handle);
- if (listener->session_type == sst
- && listener->enqueue_epoch != SESSION_PROXY_LISTENER_INDEX)
- return listener;
- }));
- /* *INDENT-ON* */
-
- return 0;
-}
-
-u8
-app_worker_application_is_builtin (app_worker_t * app_wrk)
-{
- return app_wrk->app_is_builtin;
-}
-
-stream_session_t *
-application_proxy_listener (app_worker_t * app, u8 fib_proto,
- u8 transport_proto)
+application_original_dst_is_enabled (application_t *app)
{
- stream_session_t *listener;
- u64 handle;
- u32 sm_index;
- u8 sst;
-
- sst = session_type_from_proto_and_ip (transport_proto,
- fib_proto == FIB_PROTOCOL_IP4);
-
- /* *INDENT-OFF* */
- hash_foreach (handle, sm_index, app->listeners_table, ({
- listener = listen_session_get_from_handle (handle);
- if (listener->session_type == sst
- && listener->enqueue_epoch == SESSION_PROXY_LISTENER_INDEX)
- return listener;
- }));
- /* *INDENT-ON* */
-
- return 0;
+ return app->flags & APP_OPTIONS_FLAGS_GET_ORIGINAL_DST;
}
static clib_error_t *
{
app_namespace_t *app_ns = app_namespace_get (app->ns_index);
u8 is_ip4 = (fib_proto == FIB_PROTOCOL_IP4);
- session_endpoint_extended_t sep = SESSION_ENDPOINT_EXT_NULL;
+ session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
transport_connection_t *tc;
app_worker_t *app_wrk;
- stream_session_t *s;
- u64 handle;
+ app_listener_t *al;
+ session_t *s;
+ u32 flags;
/* TODO decide if we want proxy to be enabled for all workers */
app_wrk = application_get_default_worker (app);
sep.sw_if_index = app_ns->sw_if_index;
sep.transport_proto = transport_proto;
sep.app_wrk_index = app_wrk->wrk_index; /* only default */
- application_start_listen (app, &sep, &handle);
- s = listen_session_get_from_handle (handle);
- s->enqueue_epoch = SESSION_PROXY_LISTENER_INDEX;
+
+ /* force global scope listener */
+ flags = app->flags;
+ app->flags &= ~APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
+ app_listener_alloc_and_init (app, &sep, &al);
+ app->flags = flags;
+
+ app_worker_start_listen (app_wrk, al);
+ s = listen_session_get (al->session_index);
+ s->flags |= SESSION_F_PROXY;
}
}
else
{
- s = application_proxy_listener (app_wrk, fib_proto, transport_proto);
+ s = app_worker_proxy_listener (app_wrk, fib_proto, transport_proto);
ASSERT (s);
}
}
}
-void
-application_setup_proxy (application_t * app)
-{
- u16 transports = app->proxied_transports;
- transport_proto_t tp;
-
- ASSERT (application_is_proxy (app));
-
- /* *INDENT-OFF* */
- transport_proto_foreach (tp, ({
- if (transports & (1 << tp))
- application_start_stop_proxy (app, tp, 1);
- }));
- /* *INDENT-ON* */
-}
-
-void
-application_remove_proxy (application_t * app)
-{
- u16 transports = app->proxied_transports;
- transport_proto_t tp;
-
- ASSERT (application_is_proxy (app));
-
- /* *INDENT-OFF* */
- transport_proto_foreach (tp, ({
- if (transports & (1 << tp))
- application_start_stop_proxy (app, tp, 0);
- }));
- /* *INDENT-ON* */
-}
-
-segment_manager_properties_t *
-application_segment_manager_properties (application_t * app)
-{
- return &app->sm_properties;
-}
-
-segment_manager_properties_t *
-application_get_segment_manager_properties (u32 app_index)
-{
- application_t *app = application_get (app_index);
- return &app->sm_properties;
-}
-
-static inline int
-app_enqueue_evt (svm_msg_q_t * mq, svm_msg_q_msg_t * msg, u8 lock)
-{
- if (PREDICT_FALSE (svm_msg_q_is_full (mq)))
- {
- clib_warning ("evt q full");
- svm_msg_q_free_msg (mq, msg);
- if (lock)
- svm_msg_q_unlock (mq);
- return -1;
- }
-
- if (lock)
- {
- svm_msg_q_add_and_unlock (mq, msg);
- return 0;
- }
-
- /* Even when not locking the ring, we must wait for queue mutex */
- if (svm_msg_q_add (mq, msg, SVM_Q_WAIT))
- {
- clib_warning ("msg q add returned");
- return -1;
- }
- return 0;
-}
-
-static inline int
-app_send_io_evt_rx (app_worker_t * app_wrk, stream_session_t * s, u8 lock)
-{
- session_event_t *evt;
- svm_msg_q_msg_t msg;
- svm_msg_q_t *mq;
-
- if (PREDICT_FALSE (s->session_state != SESSION_STATE_READY
- && s->session_state != SESSION_STATE_LISTENING))
- {
- /* Session is closed so app will never clean up. Flush rx fifo */
- if (s->session_state == SESSION_STATE_CLOSED)
- svm_fifo_dequeue_drop_all (s->server_rx_fifo);
- return 0;
- }
-
- if (app_worker_application_is_builtin (app_wrk))
- {
- application_t *app = application_get (app_wrk->app_index);
- return app->cb_fns.builtin_app_rx_callback (s);
- }
-
- if (svm_fifo_has_event (s->server_rx_fifo)
- || svm_fifo_is_empty (s->server_rx_fifo))
- return 0;
-
- mq = app_wrk->event_queue;
- if (lock)
- svm_msg_q_lock (mq);
-
- if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
- {
- clib_warning ("evt q rings full");
- if (lock)
- svm_msg_q_unlock (mq);
- return -1;
- }
-
- msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- ASSERT (!svm_msg_q_msg_is_invalid (&msg));
-
- evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
- evt->fifo = s->server_rx_fifo;
- evt->event_type = FIFO_EVENT_APP_RX;
-
- if (app_enqueue_evt (mq, &msg, lock))
- return -1;
- (void) svm_fifo_set_event (s->server_rx_fifo);
- return 0;
-}
-
-static inline int
-app_send_io_evt_tx (app_worker_t * app_wrk, stream_session_t * s, u8 lock)
-{
- svm_msg_q_t *mq;
- session_event_t *evt;
- svm_msg_q_msg_t msg;
-
- if (app_worker_application_is_builtin (app_wrk))
- return 0;
-
- mq = app_wrk->event_queue;
- if (lock)
- svm_msg_q_lock (mq);
-
- if (PREDICT_FALSE (svm_msg_q_ring_is_full (mq, SESSION_MQ_IO_EVT_RING)))
- {
- clib_warning ("evt q rings full");
- if (lock)
- svm_msg_q_unlock (mq);
- return -1;
- }
-
- msg = svm_msg_q_alloc_msg_w_ring (mq, SESSION_MQ_IO_EVT_RING);
- ASSERT (!svm_msg_q_msg_is_invalid (&msg));
-
- evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
- evt->event_type = FIFO_EVENT_APP_TX;
- evt->fifo = s->server_tx_fifo;
-
- return app_enqueue_evt (mq, &msg, lock);
-}
-
-/* *INDENT-OFF* */
-typedef int (app_send_evt_handler_fn) (app_worker_t *app,
- stream_session_t *s,
- u8 lock);
-static app_send_evt_handler_fn * const app_send_evt_handler_fns[3] = {
- app_send_io_evt_rx,
- 0,
- app_send_io_evt_tx,
-};
-/* *INDENT-ON* */
-
-/**
- * Send event to application
- *
- * Logic from queue perspective is non-blocking. That is, if there's
- * not enough space to enqueue a message, we return. However, if the lock
- * flag is set, we do wait for queue mutex.
- */
-int
-app_worker_send_event (app_worker_t * app, stream_session_t * s, u8 evt_type)
-{
- ASSERT (app && evt_type <= FIFO_EVENT_APP_TX);
- return app_send_evt_handler_fns[evt_type] (app, s, 0 /* lock */ );
-}
-
-int
-app_worker_lock_and_send_event (app_worker_t * app, stream_session_t * s,
- u8 evt_type)
-{
- return app_send_evt_handler_fns[evt_type] (app, s, 1 /* lock */ );
-}
-
-local_session_t *
-application_local_session_alloc (app_worker_t * app_wrk)
-{
- local_session_t *s;
- pool_get (app_wrk->local_sessions, s);
- memset (s, 0, sizeof (*s));
- s->app_wrk_index = app_wrk->wrk_index;
- s->session_index = s - app_wrk->local_sessions;
- s->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
- return s;
-}
-
-void
-application_local_session_free (app_worker_t * app, local_session_t * s)
-{
- pool_put (app->local_sessions, s);
- if (CLIB_DEBUG)
- memset (s, 0xfc, sizeof (*s));
-}
-
-local_session_t *
-application_get_local_session (app_worker_t * app_wrk, u32 session_index)
-{
- if (pool_is_free_index (app_wrk->local_sessions, session_index))
- return 0;
- return pool_elt_at_index (app_wrk->local_sessions, session_index);
-}
-
-local_session_t *
-application_get_local_session_from_handle (session_handle_t handle)
-{
- app_worker_t *server_wrk;
- u32 session_index, server_wrk_index;
- local_session_parse_handle (handle, &server_wrk_index, &session_index);
- server_wrk = app_worker_get_if_valid (server_wrk_index);
- if (!server_wrk)
- return 0;
- return application_get_local_session (server_wrk, session_index);
-}
-
-local_session_t *
-application_local_listen_session_alloc (application_t * app)
-{
- local_session_t *ll;
- pool_get (app->local_listen_sessions, ll);
- memset (ll, 0, sizeof (*ll));
- return ll;
-}
-
-u32
-application_local_listener_index (application_t * app, local_session_t * ll)
-{
- return (ll - app->local_listen_sessions);
-}
-
-void
-application_local_listen_session_free (application_t * app,
- local_session_t * ll)
-{
- pool_put (app->local_listen_sessions, ll);
- if (CLIB_DEBUG)
- memset (ll, 0xfb, sizeof (*ll));
-}
-
-int
-application_start_local_listen (application_t * app,
- session_endpoint_extended_t * sep_ext,
- session_handle_t * handle)
-{
- app_listener_t *app_listener;
- session_endpoint_t *sep;
- app_worker_t *app_wrk;
- session_handle_t lh;
- local_session_t *ll;
- u32 table_index;
-
- sep = (session_endpoint_t *) sep_ext;
- table_index = application_local_session_table (app);
- app_wrk = app_worker_get (sep_ext->app_wrk_index);
-
- /* An exact sep match, as opposed to session_lookup_local_listener */
- lh = session_lookup_endpoint_listener (table_index, sep, 1);
- if (lh != SESSION_INVALID_HANDLE)
- {
- ll = application_get_local_listener_w_handle (lh);
- if (ll->app_index != app->app_index)
- return VNET_API_ERROR_ADDRESS_IN_USE;
-
- if (ll->app_wrk_index == app_wrk->wrk_index)
- return VNET_API_ERROR_ADDRESS_IN_USE;
-
- app_listener = app_local_listener_get (app, ll->listener_db_index);
- app_listener->workers = clib_bitmap_set (app_listener->workers,
- app_wrk->wrk_map_index, 1);
- *handle = application_local_session_handle (ll);
- return 0;
- }
-
- ll = application_local_listen_session_alloc (app);
- ll->session_type = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE, 0);
- ll->app_wrk_index = app_wrk->app_index;
- ll->session_index = application_local_listener_index (app, ll);
- ll->port = sep_ext->port;
- /* Store the original session type for the unbind */
- ll->listener_session_type =
- session_type_from_proto_and_ip (sep_ext->transport_proto,
- sep_ext->is_ip4);
- ll->transport_listener_index = ~0;
- ll->app_index = app->app_index;
-
- app_listener = app_local_listener_alloc (app);
- ll->listener_db_index = app_listener->al_index;
- app_listener->workers = clib_bitmap_set (app_listener->workers,
- app_wrk->wrk_map_index, 1);
-
- *handle = application_local_session_handle (ll);
- session_lookup_add_session_endpoint (table_index, sep, *handle);
-
- return 0;
-}
-
-/**
- * Clean up local session table. If we have a listener session use it to
- * find the port and proto. If not, the handle must be a local table handle
- * so parse it.
- */
-int
-application_stop_local_listen (u32 app_index, u32 wrk_map_index,
- session_handle_t lh)
-{
- session_endpoint_t sep = SESSION_ENDPOINT_NULL;
- u32 table_index, ll_index, server_index;
- app_listener_t *app_listener;
- app_worker_t *server_wrk;
- stream_session_t *sl = 0;
- local_session_t *ll, *ls;
- application_t *server;
-
- server = application_get (app_index);
- table_index = application_local_session_table (server);
-
- /* We have both local and global table binds. Figure from global what
- * the sep we should be cleaning up is.
- */
- if (!session_handle_is_local (lh))
- {
- sl = listen_session_get_from_handle (lh);
- if (!sl || listen_session_get_local_session_endpoint (sl, &sep))
- {
- clib_warning ("broken listener");
- return -1;
- }
- lh = session_lookup_endpoint_listener (table_index, &sep, 0);
- if (lh == SESSION_INVALID_HANDLE)
- return -1;
- }
-
- local_session_parse_handle (lh, &server_index, &ll_index);
- if (PREDICT_FALSE (server_index != app_index))
- {
- clib_warning ("app %u does not own local handle 0x%lx", app_index, lh);
- return -1;
- }
-
- ll = application_get_local_listen_session (server, ll_index);
- if (PREDICT_FALSE (!ll))
- {
- clib_warning ("no local listener");
- return -1;
- }
-
- app_listener = app_local_listener_get (server, ll->listener_db_index);
- if (!clib_bitmap_get (app_listener->workers, wrk_map_index))
- {
- clib_warning ("app wrk %u not listening on handle %lu", wrk_map_index,
- lh);
- return -1;
- }
-
- server_wrk = application_get_worker (server, wrk_map_index);
- /* *INDENT-OFF* */
- pool_foreach (ls, server_wrk->local_sessions, ({
- if (ls->listener_index == ll->session_index)
- application_local_session_disconnect (server_wrk->app_index, ls);
- }));
- /* *INDENT-ON* */
-
- clib_bitmap_set_no_check (app_listener->workers, wrk_map_index, 0);
- if (clib_bitmap_is_zero (app_listener->workers))
- {
- app_local_listener_free (server, app_listener);
- application_local_listener_session_endpoint (ll, &sep);
- session_lookup_del_session_endpoint (table_index, &sep);
- application_local_listen_session_free (server, ll);
- }
-
- return 0;
-}
-
-static void
-application_local_session_fix_eventds (svm_msg_q_t * sq, svm_msg_q_t * cq)
-{
- int fd;
-
- /*
- * segment manager initializes only the producer eventds, since vpp is
- * typically the producer. But for local sessions, we also pass to the
- * apps the mqs they listen on for events from peer apps, so they are also
- * consumer fds.
- */
- fd = svm_msg_q_get_producer_eventfd (sq);
- svm_msg_q_set_consumer_eventfd (sq, fd);
- fd = svm_msg_q_get_producer_eventfd (cq);
- svm_msg_q_set_consumer_eventfd (cq, fd);
-}
-
-int
-application_local_session_connect (app_worker_t * client_wrk,
- app_worker_t * server_wrk,
- local_session_t * ll, u32 opaque)
-{
- u32 seg_size, evt_q_sz, evt_q_elts, margin = 16 << 10;
- segment_manager_properties_t *props, *cprops;
- u32 round_rx_fifo_sz, round_tx_fifo_sz;
- int rv, has_transport, seg_index;
- svm_fifo_segment_private_t *seg;
- application_t *server, *client;
- segment_manager_t *sm;
- local_session_t *ls;
- svm_msg_q_t *sq, *cq;
-
- ls = application_local_session_alloc (server_wrk);
- server = application_get (server_wrk->app_index);
- client = application_get (client_wrk->app_index);
-
- props = application_segment_manager_properties (server);
- cprops = application_segment_manager_properties (client);
- evt_q_elts = props->evt_q_size + cprops->evt_q_size;
- evt_q_sz = segment_manager_evt_q_expected_size (evt_q_elts);
- round_rx_fifo_sz = 1 << max_log2 (props->rx_fifo_size);
- round_tx_fifo_sz = 1 << max_log2 (props->tx_fifo_size);
- seg_size = round_rx_fifo_sz + round_tx_fifo_sz + evt_q_sz + margin;
-
- has_transport = session_has_transport ((stream_session_t *) ll);
- if (!has_transport)
- {
- /* Local sessions don't have backing transport */
- ls->port = ll->port;
- sm = application_get_local_segment_manager (server_wrk);
- }
- else
- {
- stream_session_t *sl = (stream_session_t *) ll;
- transport_connection_t *tc;
- tc = listen_session_get_transport (sl);
- ls->port = tc->lcl_port;
- sm = app_worker_get_listen_segment_manager (server_wrk, sl);
- }
-
- seg_index = segment_manager_add_segment (sm, seg_size);
- if (seg_index < 0)
- {
- clib_warning ("failed to add new cut-through segment");
- return seg_index;
- }
- seg = segment_manager_get_segment_w_lock (sm, seg_index);
- sq = segment_manager_alloc_queue (seg, props);
- cq = segment_manager_alloc_queue (seg, cprops);
-
- if (props->use_mq_eventfd)
- application_local_session_fix_eventds (sq, cq);
-
- ls->server_evt_q = pointer_to_uword (sq);
- ls->client_evt_q = pointer_to_uword (cq);
- rv = segment_manager_try_alloc_fifos (seg, props->rx_fifo_size,
- props->tx_fifo_size,
- &ls->server_rx_fifo,
- &ls->server_tx_fifo);
- if (rv)
- {
- clib_warning ("failed to add fifos in cut-through segment");
- segment_manager_segment_reader_unlock (sm);
- goto failed;
- }
- ls->server_rx_fifo->master_session_index = ls->session_index;
- ls->server_tx_fifo->master_session_index = ls->session_index;
- ls->server_rx_fifo->master_thread_index = ~0;
- ls->server_tx_fifo->master_thread_index = ~0;
- ls->svm_segment_index = seg_index;
- ls->listener_index = ll->session_index;
- ls->client_wrk_index = client_wrk->wrk_index;
- ls->client_opaque = opaque;
- ls->listener_session_type = ll->session_type;
- ls->session_state = SESSION_STATE_READY;
-
- if ((rv = server->cb_fns.add_segment_callback (server->api_client_index,
- &seg->ssvm)))
- {
- clib_warning ("failed to notify server of new segment");
- segment_manager_segment_reader_unlock (sm);
- goto failed;
- }
- segment_manager_segment_reader_unlock (sm);
- if ((rv = server->cb_fns.session_accept_callback ((stream_session_t *) ls)))
- {
- clib_warning ("failed to send accept cut-through notify to server");
- goto failed;
- }
- if (server->flags & APP_OPTIONS_FLAGS_IS_BUILTIN)
- application_local_session_connect_notify (ls);
-
- return 0;
-
-failed:
- if (!has_transport)
- segment_manager_del_segment (sm, seg);
- return rv;
-}
-
-static uword
-application_client_local_connect_key (local_session_t * ls)
-{
- return ((uword) ls->app_wrk_index << 32 | (uword) ls->session_index);
-}
-
-static void
-application_client_local_connect_key_parse (uword key, u32 * app_wrk_index,
- u32 * session_index)
-{
- *app_wrk_index = key >> 32;
- *session_index = key & 0xFFFFFFFF;
-}
-
-int
-application_local_session_connect_notify (local_session_t * ls)
-{
- svm_fifo_segment_private_t *seg;
- app_worker_t *client_wrk, *server_wrk;
- segment_manager_t *sm;
- application_t *client;
- int rv, is_fail = 0;
- uword client_key;
-
- client_wrk = app_worker_get (ls->client_wrk_index);
- server_wrk = app_worker_get (ls->app_wrk_index);
- client = application_get (client_wrk->app_index);
-
- sm = application_get_local_segment_manager_w_session (server_wrk, ls);
- seg = segment_manager_get_segment_w_lock (sm, ls->svm_segment_index);
- if ((rv = client->cb_fns.add_segment_callback (client->api_client_index,
- &seg->ssvm)))
- {
- clib_warning ("failed to notify client %u of new segment",
- ls->client_wrk_index);
- segment_manager_segment_reader_unlock (sm);
- application_local_session_disconnect (ls->client_wrk_index, ls);
- is_fail = 1;
- }
- else
- {
- segment_manager_segment_reader_unlock (sm);
- }
-
- client->cb_fns.session_connected_callback (client_wrk->wrk_index,
- ls->client_opaque,
- (stream_session_t *) ls,
- is_fail);
-
- client_key = application_client_local_connect_key (ls);
- hash_set (client_wrk->local_connects, client_key, client_key);
- return 0;
-}
-
-int
-application_local_session_cleanup (app_worker_t * client_wrk,
- app_worker_t * server_wrk,
- local_session_t * ls)
-{
- svm_fifo_segment_private_t *seg;
- segment_manager_t *sm;
- uword client_key;
- u8 has_transport;
-
- has_transport = session_has_transport ((stream_session_t *) ls);
- client_key = application_client_local_connect_key (ls);
- if (!has_transport)
- sm = application_get_local_segment_manager_w_session (server_wrk, ls);
- else
- sm = app_worker_get_listen_segment_manager (server_wrk,
- (stream_session_t *) ls);
-
- seg = segment_manager_get_segment (sm, ls->svm_segment_index);
- if (client_wrk)
- hash_unset (client_wrk->local_connects, client_key);
-
- if (!has_transport)
- {
- application_t *server = application_get (server_wrk->app_index);
- server->cb_fns.del_segment_callback (server->api_client_index,
- &seg->ssvm);
- if (client_wrk)
- {
- application_t *client = application_get (client_wrk->app_index);
- client->cb_fns.del_segment_callback (client->api_client_index,
- &seg->ssvm);
- }
- segment_manager_del_segment (sm, seg);
- }
-
- application_local_session_free (server_wrk, ls);
-
- return 0;
-}
-
-int
-application_local_session_disconnect (u32 app_index, local_session_t * ls)
-{
- app_worker_t *client_wrk, *server_wrk;
- u8 is_server = 0, is_client = 0;
- application_t *app;
-
- app = application_get_if_valid (app_index);
- if (!app)
- return 0;
-
- client_wrk = app_worker_get_if_valid (ls->client_wrk_index);
- server_wrk = app_worker_get (ls->app_wrk_index);
-
- if (server_wrk->app_index == app_index)
- is_server = 1;
- else if (client_wrk && client_wrk->app_index == app_index)
- is_client = 1;
-
- if (!is_server && !is_client)
- {
- clib_warning ("app %u is neither client nor server for session 0x%lx",
- app_index, application_local_session_handle (ls));
- return VNET_API_ERROR_INVALID_VALUE;
- }
-
- if (ls->session_state == SESSION_STATE_CLOSED)
- return application_local_session_cleanup (client_wrk, server_wrk, ls);
-
- if (app_index == ls->client_wrk_index)
- {
- mq_send_local_session_disconnected_cb (ls->app_wrk_index, ls);
- }
- else
- {
- if (!client_wrk)
- {
- return application_local_session_cleanup (client_wrk, server_wrk,
- ls);
- }
- else if (ls->session_state < SESSION_STATE_READY)
- {
- application_t *client = application_get (client_wrk->app_index);
- client->cb_fns.session_connected_callback (client_wrk->wrk_index,
- ls->client_opaque,
- (stream_session_t *) ls,
- 1 /* is_fail */ );
- ls->session_state = SESSION_STATE_CLOSED;
- return application_local_session_cleanup (client_wrk, server_wrk,
- ls);
- }
- else
- {
- mq_send_local_session_disconnected_cb (client_wrk->wrk_index, ls);
- }
- }
-
- ls->session_state = SESSION_STATE_CLOSED;
-
- return 0;
-}
-
-int
-application_local_session_disconnect_w_index (u32 app_wrk_index, u32 ls_index)
-{
- app_worker_t *app_wrk;
- local_session_t *ls;
- app_wrk = app_worker_get (app_wrk_index);
- ls = application_get_local_session (app_wrk, ls_index);
- return application_local_session_disconnect (app_wrk_index, ls);
-}
-
-void
-app_worker_local_sessions_free (app_worker_t * app_wrk)
-{
- u32 index, server_wrk_index, session_index;
- u64 handle, *handles = 0;
- app_worker_t *server_wrk;
- segment_manager_t *sm;
- local_session_t *ls;
- int i;
-
- /*
- * Local sessions
- */
- if (app_wrk->local_sessions)
- {
- /* *INDENT-OFF* */
- pool_foreach (ls, app_wrk->local_sessions, ({
- application_local_session_disconnect (app_wrk->wrk_index, ls);
- }));
- /* *INDENT-ON* */
- }
-
- /*
- * Local connects
- */
- vec_reset_length (handles);
- /* *INDENT-OFF* */
- hash_foreach (handle, index, app_wrk->local_connects, ({
- vec_add1 (handles, handle);
- }));
- /* *INDENT-ON* */
-
- for (i = 0; i < vec_len (handles); i++)
- {
- application_client_local_connect_key_parse (handles[i],
- &server_wrk_index,
- &session_index);
- server_wrk = app_worker_get_if_valid (server_wrk_index);
- if (server_wrk)
- {
- ls = application_get_local_session (server_wrk, session_index);
- application_local_session_disconnect (app_wrk->wrk_index, ls);
- }
- }
-
- sm = segment_manager_get (app_wrk->local_segment_manager);
- sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
- segment_manager_del (sm);
-}
-
-clib_error_t *
-vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a)
+void
+application_setup_proxy (application_t * app)
{
- application_t *app;
- app = application_get (a->app_index);
- if (!app)
- return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED,
- 0, "app %u doesn't exist", a->app_index);
- app->tls_cert = vec_dup (a->cert);
- return 0;
-}
+ u16 transports = app->proxied_transports;
+ transport_proto_t tp;
-clib_error_t *
-vnet_app_add_tls_key (vnet_app_add_tls_key_args_t * a)
-{
- application_t *app;
- app = application_get (a->app_index);
- if (!app)
- return clib_error_return_code (0, VNET_API_ERROR_APPLICATION_NOT_ATTACHED,
- 0, "app %u doesn't exist", a->app_index);
- app->tls_key = vec_dup (a->key);
- return 0;
+ ASSERT (application_is_proxy (app));
+
+ transport_proto_foreach (tp, transports)
+ application_start_stop_proxy (app, tp, 1);
}
-u8 *
-format_app_worker_listener (u8 * s, va_list * args)
+void
+application_remove_proxy (application_t * app)
{
- app_worker_t *app_wrk = va_arg (*args, app_worker_t *);
- u64 handle = va_arg (*args, u64);
- u32 sm_index = va_arg (*args, u32);
- int verbose = va_arg (*args, int);
- stream_session_t *listener;
- application_t *app;
- u8 *app_name, *str;
-
- if (!app_wrk)
- {
- if (verbose)
- s = format (s, "%-40s%-25s%=10s%-15s%-15s%-10s", "Connection", "App",
- "Wrk", "API Client", "ListenerID", "SegManager");
- else
- s = format (s, "%-40s%-25s%=10s", "Connection", "App", "Wrk");
+ u16 transports = app->proxied_transports;
+ transport_proto_t tp;
- return s;
- }
+ ASSERT (application_is_proxy (app));
- app = application_get (app_wrk->app_index);
- app_name = app_get_name_from_reg_index (app);
- listener = listen_session_get_from_handle (handle);
- str = format (0, "%U", format_stream_session, listener, verbose);
+ transport_proto_foreach (tp, transports)
+ application_start_stop_proxy (app, tp, 0);
+}
- if (verbose)
- {
- s = format (s, "%-40s%-25s%=10u%-15u%-15u%-10u", str, app_name,
- app_wrk->wrk_map_index, app->api_client_index, handle,
- sm_index);
- }
- else
- s = format (s, "%-40s%-25s%=10u", str, app_name, app_wrk->wrk_map_index);
+segment_manager_props_t *
+application_segment_manager_properties (application_t * app)
+{
+ return &app->sm_properties;
+}
- vec_free (app_name);
- return s;
+segment_manager_props_t *
+application_get_segment_manager_properties (u32 app_index)
+{
+ application_t *app = application_get (app_index);
+ return &app->sm_properties;
}
static void
if (!app)
{
- vlib_cli_output (vm, "%U", format_app_worker_listener, 0 /* header */ ,
+ vlib_cli_output (vm, "%U", format_app_worker_listener, NULL /* header */,
0, 0, verbose);
return;
}
- /* *INDENT-OFF* */
- pool_foreach (wrk_map, app->worker_maps, ({
+ pool_foreach (wrk_map, app->worker_maps) {
app_wrk = app_worker_get (wrk_map->wrk_index);
if (hash_elts (app_wrk->listeners_table) == 0)
continue;
vlib_cli_output (vm, "%U", format_app_worker_listener, app_wrk,
handle, sm_index, verbose);
}));
- }));
- /* *INDENT-ON* */
-}
-
-static void
-app_worker_format_connects (app_worker_t * app_wrk, int verbose)
-{
- svm_fifo_segment_private_t *fifo_segment;
- vlib_main_t *vm = vlib_get_main ();
- segment_manager_t *sm;
- u8 *app_name, *s = 0;
- application_t *app;
-
- /* Header */
- if (!app_wrk)
- {
- if (verbose)
- vlib_cli_output (vm, "%-40s%-20s%-15s%-10s", "Connection", "App",
- "API Client", "SegManager");
- else
- vlib_cli_output (vm, "%-40s%-20s", "Connection", "App");
- return;
- }
-
- app = application_get (app_wrk->app_index);
- if (app_wrk->connects_seg_manager == (u32) ~ 0)
- return;
-
- app_name = app_get_name_from_reg_index (app);
-
- /* Across all fifo segments */
- sm = segment_manager_get (app_wrk->connects_seg_manager);
-
- /* *INDENT-OFF* */
- segment_manager_foreach_segment_w_lock (fifo_segment, sm, ({
- svm_fifo_t *fifo;
- u8 *str;
-
- fifo = svm_fifo_segment_get_fifo_list (fifo_segment);
- while (fifo)
- {
- u32 session_index, thread_index;
- stream_session_t *session;
-
- session_index = fifo->master_session_index;
- thread_index = fifo->master_thread_index;
-
- session = session_get (session_index, thread_index);
- str = format (0, "%U", format_stream_session, session, verbose);
-
- if (verbose)
- s = format (s, "%-40s%-20s%-15u%-10u", str, app_name,
- app->api_client_index, app_wrk->connects_seg_manager);
- else
- s = format (s, "%-40s%-20s", str, app_name);
-
- vlib_cli_output (vm, "%v", s);
- vec_reset_length (s);
- vec_free (str);
-
- fifo = fifo->next;
- }
- vec_free (s);
- }));
- /* *INDENT-ON* */
-
- vec_free (app_name);
+ }
}
static void
return;
}
- /* *INDENT-OFF* */
- pool_foreach (wrk_map, app->worker_maps, ({
+ pool_foreach (wrk_map, app->worker_maps) {
app_wrk = app_worker_get (wrk_map->wrk_index);
app_worker_format_connects (app_wrk, verbose);
- }));
- /* *INDENT-ON* */
+ }
}
-static void
-app_worker_format_local_sessions (app_worker_t * app_wrk, int verbose)
-{
- vlib_main_t *vm = vlib_get_main ();
- local_session_t *ls;
- transport_proto_t tp;
- u8 *conn = 0;
-
- /* Header */
- if (app_wrk == 0)
- {
- vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "ServerApp",
- "ClientApp");
- return;
- }
-
- if (!pool_elts (app_wrk->local_sessions)
- && !pool_elts (app_wrk->local_connects))
- return;
-
- /* *INDENT-OFF* */
- pool_foreach (ls, app_wrk->local_sessions, ({
- tp = session_type_transport_proto(ls->listener_session_type);
- conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp,
- ls->port);
- vlib_cli_output (vm, "%-40v%-15u%-20u", conn, ls->app_wrk_index,
- ls->client_wrk_index);
- vec_reset_length (conn);
- }));
- /* *INDENT-ON* */
-
- vec_free (conn);
+u8 *
+format_cert_key_pair (u8 * s, va_list * args)
+{
+ app_cert_key_pair_t *ckpair = va_arg (*args, app_cert_key_pair_t *);
+ int key_len = 0, cert_len = 0;
+ cert_len = vec_len (ckpair->cert);
+ key_len = vec_len (ckpair->key);
+ if (ckpair->cert_key_index == 0)
+ s = format (s, "DEFAULT (cert:%d, key:%d)", cert_len, key_len);
+ else
+ s = format (s, "%d (cert:%d, key:%d)", ckpair->cert_key_index,
+ cert_len, key_len);
+ return s;
}
-static void
-application_format_local_sessions (application_t * app, int verbose)
-{
- vlib_main_t *vm = vlib_get_main ();
- app_worker_map_t *wrk_map;
- app_worker_t *app_wrk;
- transport_proto_t tp;
- local_session_t *ls;
- u8 *conn = 0;
-
- if (!app)
- {
- app_worker_format_local_sessions (0, verbose);
- return;
+u8 *
+format_crypto_engine (u8 * s, va_list * args)
+{
+ u32 engine = va_arg (*args, u32);
+ switch (engine)
+ {
+ case CRYPTO_ENGINE_NONE:
+ return format (s, "none");
+ case CRYPTO_ENGINE_MBEDTLS:
+ return format (s, "mbedtls");
+ case CRYPTO_ENGINE_OPENSSL:
+ return format (s, "openssl");
+ case CRYPTO_ENGINE_PICOTLS:
+ return format (s, "picotls");
+ case CRYPTO_ENGINE_VPP:
+ return format (s, "vpp");
+ default:
+ return format (s, "unknown engine");
}
-
- /*
- * Format local listeners
- */
-
- /* *INDENT-OFF* */
- pool_foreach (ls, app->local_listen_sessions, ({
- tp = session_type_transport_proto (ls->listener_session_type);
- conn = format (0, "[L][%U] *:%u", format_transport_proto_short, tp,
- ls->port);
- vlib_cli_output (vm, "%-40v%-15u%-20s", conn, ls->app_wrk_index, "*");
- vec_reset_length (conn);
- }));
- /* *INDENT-ON* */
-
- /*
- * Format local accepted/connected sessions
- */
- /* *INDENT-OFF* */
- pool_foreach (wrk_map, app->worker_maps, ({
- app_wrk = app_worker_get (wrk_map->wrk_index);
- app_worker_format_local_sessions (app_wrk, verbose);
- }));
- /* *INDENT-ON* */
+ return s;
}
-static void
-app_worker_format_local_connects (app_worker_t * app, int verbose)
+uword
+unformat_crypto_engine (unformat_input_t * input, va_list * args)
{
- vlib_main_t *vm = vlib_get_main ();
- u32 app_wrk_index, session_index;
- app_worker_t *server_wrk;
- local_session_t *ls;
- uword client_key;
- u64 value;
-
- /* Header */
- if (app == 0)
- {
- if (verbose)
- vlib_cli_output (vm, "%-40s%-15s%-20s%-10s", "Connection", "App",
- "Peer App", "SegManager");
- else
- vlib_cli_output (vm, "%-40s%-15s%-20s", "Connection", "App",
- "Peer App");
- return;
- }
-
- if (!app->local_connects)
- return;
-
- /* *INDENT-OFF* */
- hash_foreach (client_key, value, app->local_connects, ({
- application_client_local_connect_key_parse (client_key, &app_wrk_index,
- &session_index);
- server_wrk = app_worker_get (app_wrk_index);
- ls = application_get_local_session (server_wrk, session_index);
- vlib_cli_output (vm, "%-40s%-15s%-20s", "TODO", ls->app_wrk_index,
- ls->client_wrk_index);
- }));
- /* *INDENT-ON* */
+ u8 *a = va_arg (*args, u8 *);
+ if (unformat (input, "mbedtls"))
+ *a = CRYPTO_ENGINE_MBEDTLS;
+ else if (unformat (input, "openssl"))
+ *a = CRYPTO_ENGINE_OPENSSL;
+ else if (unformat (input, "picotls"))
+ *a = CRYPTO_ENGINE_PICOTLS;
+ else if (unformat (input, "vpp"))
+ *a = CRYPTO_ENGINE_VPP;
+ else
+ return 0;
+ return 1;
}
-static void
-application_format_local_connects (application_t * app, int verbose)
+u8 *
+format_crypto_context (u8 * s, va_list * args)
{
- app_worker_map_t *wrk_map;
- app_worker_t *app_wrk;
-
- if (!app)
- {
- app_worker_format_local_connects (0, verbose);
- return;
- }
-
- /* *INDENT-OFF* */
- pool_foreach (wrk_map, app->worker_maps, ({
- app_wrk = app_worker_get (wrk_map->wrk_index);
- app_worker_format_local_connects (app_wrk, verbose);
- }));
- /* *INDENT-ON* */
+ crypto_context_t *crctx = va_arg (*args, crypto_context_t *);
+ s = format (s, "[0x%x][sub%d,ckpair%x]", crctx->ctx_index,
+ crctx->n_subscribers, crctx->ckpair_index);
+ s = format (s, "[%U]", format_crypto_engine, crctx->crypto_engine);
+ return s;
}
u8 *
{
application_t *app = va_arg (*args, application_t *);
CLIB_UNUSED (int verbose) = va_arg (*args, int);
- segment_manager_properties_t *props;
- const u8 *app_ns_name;
- u8 *app_name;
+ segment_manager_props_t *props;
+ const u8 *app_ns_name, *app_name;
+ app_worker_map_t *wrk_map;
+ app_worker_t *app_wrk;
if (app == 0)
{
- if (verbose)
- s = format (s, "%-10s%-20s%-15s%-15s%-15s%-15s%-15s", "Index", "Name",
- "API Client", "Namespace", "Add seg size", "Rx-f size",
- "Tx-f size");
- else
- s = format (s, "%-10s%-20s%-15s%-40s", "Index", "Name", "API Client",
- "Namespace");
+ if (!verbose)
+ s = format (s, "%-10s%-20s%-40s", "Index", "Name", "Namespace");
return s;
}
app_name = app_get_name (app);
app_ns_name = app_namespace_id_from_index (app->ns_index);
props = application_segment_manager_properties (app);
- if (verbose)
- s = format (s, "%-10u%-20s%-15d%-15u%-15U%-15U%-15U", app->app_index,
- app_name, app->api_client_index, app->ns_index,
- format_memory_size, props->add_segment_size,
- format_memory_size, props->rx_fifo_size, format_memory_size,
- props->tx_fifo_size);
- else
- s = format (s, "%-10u%-20s%-15d%-40s", app->app_index, app_name,
- app->api_client_index, app_ns_name);
+ if (!verbose)
+ {
+ s = format (s, "%-10u%-20v%-40v", app->app_index, app_name,
+ app_ns_name);
+ return s;
+ }
+
+ s = format (s, "app-name %v app-index %u ns-index %u seg-size %U\n",
+ app_name, app->app_index, app->ns_index,
+ format_memory_size, props->add_segment_size);
+ s = format (s, "rx-fifo-size %U tx-fifo-size %U workers:\n",
+ format_memory_size, props->rx_fifo_size,
+ format_memory_size, props->tx_fifo_size);
+
+ pool_foreach (wrk_map, app->worker_maps) {
+ app_wrk = app_worker_get (wrk_map->wrk_index);
+ s = format (s, "%U", format_app_worker, app_wrk);
+ }
+
return s;
}
void
-application_format_all_listeners (vlib_main_t * vm, int do_local, int verbose)
+application_format_all_listeners (vlib_main_t * vm, int verbose)
{
application_t *app;
return;
}
- if (do_local)
- {
- application_format_local_sessions (0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_local_sessions (app, verbose);
- }));
- /* *INDENT-ON* */
- }
- else
- {
- application_format_listeners (0, verbose);
+ application_format_listeners (0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_listeners (app, verbose);
- }));
- /* *INDENT-ON* */
- }
+ pool_foreach (app, app_main.app_pool) {
+ application_format_listeners (app, verbose);
+ }
}
void
-application_format_all_clients (vlib_main_t * vm, int do_local, int verbose)
+application_format_all_clients (vlib_main_t * vm, int verbose)
{
application_t *app;
return;
}
- if (do_local)
- {
- application_format_local_connects (0, verbose);
+ application_format_connects (0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_local_connects (app, verbose);
- }));
- /* *INDENT-ON* */
- }
- else
- {
- application_format_connects (0, verbose);
+ pool_foreach (app, app_main.app_pool) {
+ application_format_connects (app, verbose);
+ }
+}
+
+static clib_error_t *
+show_certificate_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ app_cert_key_pair_t *ckpair;
+ session_cli_return_if_not_enabled ();
+
+ pool_foreach (ckpair, app_main.cert_key_pair_store) {
+ vlib_cli_output (vm, "%U", format_cert_key_pair, ckpair);
+ }
+ return 0;
+}
+
+static inline void
+appliction_format_app_mq (vlib_main_t * vm, application_t * app)
+{
+ app_worker_map_t *map;
+ app_worker_t *wrk;
+ int i;
+
+ pool_foreach (map, app->worker_maps) {
+ wrk = app_worker_get (map->wrk_index);
+ vlib_cli_output (vm, "[A%d][%d]%U", app->app_index,
+ map->wrk_index, format_svm_msg_q,
+ wrk->event_queue);
+ }
+
+ for (i = 0; i < vec_len (app->rx_mqs); i++)
+ vlib_cli_output (vm, "[A%d][R%d]%U", app->app_index, i, format_svm_msg_q,
+ app->rx_mqs[i].mq);
+}
+
+static clib_error_t *
+appliction_format_all_app_mq (vlib_main_t * vm)
+{
+ application_t *app;
+ int i, n_threads;
+
+ n_threads = vlib_get_n_threads ();
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_connects (app, verbose);
- }));
- /* *INDENT-ON* */
+ for (i = 0; i < n_threads; i++)
+ {
+ vlib_cli_output (vm, "[Ctrl%d]%U", i, format_svm_msg_q,
+ session_main_get_vpp_event_queue (i));
}
+
+ pool_foreach (app, app_main.app_pool) {
+ appliction_format_app_mq (vm, app);
+ }
+ return 0;
}
static clib_error_t *
show_app_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- int do_server = 0, do_client = 0, do_local = 0;
+ int do_server = 0, do_client = 0, do_mq = 0, do_transports = 0;
application_t *app;
+ u32 app_index = ~0;
int verbose = 0;
+ u8 is_ta;
session_cli_return_if_not_enabled ();
do_server = 1;
else if (unformat (input, "client"))
do_client = 1;
- else if (unformat (input, "local"))
- do_local = 1;
+ else if (unformat (input, "transports"))
+ do_transports = 1;
+ else if (unformat (input, "mq"))
+ do_mq = 1;
+ else if (unformat (input, "%u", &app_index))
+ ;
else if (unformat (input, "verbose"))
verbose = 1;
else
- break;
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+
+ if (do_mq && app_index != ~0)
+ {
+ app = application_get_if_valid (app_index);
+ if (!app)
+ return clib_error_return (0, "No app with index %u", app_index);
+
+ appliction_format_app_mq (vm, app);
+ return 0;
+ }
+
+ if (do_mq)
+ {
+ appliction_format_all_app_mq (vm);
+ return 0;
}
if (do_server)
- application_format_all_listeners (vm, do_local, verbose);
+ {
+ application_format_all_listeners (vm, verbose);
+ return 0;
+ }
if (do_client)
- application_format_all_clients (vm, do_local, verbose);
+ {
+ application_format_all_clients (vm, verbose);
+ return 0;
+ }
+
+ if (app_index != ~0)
+ {
+ app = application_get_if_valid (app_index);
+ if (!app)
+ return clib_error_return (0, "No app with index %u", app_index);
+
+ vlib_cli_output (vm, "%U", format_application, app, /* verbose */ 1);
+ return 0;
+ }
/* Print app related info */
if (!do_server && !do_client)
{
- vlib_cli_output (vm, "%U", format_application, 0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- vlib_cli_output (vm, "%U", format_application, app, verbose);
- }));
- /* *INDENT-ON* */
+ vlib_cli_output (vm, "%U", format_application, 0, 0);
+ pool_foreach (app, app_main.app_pool) {
+ is_ta = app->flags & APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
+ if ((!do_transports && !is_ta) || (do_transports && is_ta))
+ vlib_cli_output (vm, "%U", format_application, app, 0);
+ }
}
return 0;
}
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_app_command, static) =
+/* Certificate store */
+
+static app_cert_key_pair_t *
+app_cert_key_pair_alloc ()
+{
+ app_cert_key_pair_t *ckpair;
+ pool_get (app_main.cert_key_pair_store, ckpair);
+ clib_memset (ckpair, 0, sizeof (*ckpair));
+ ckpair->cert_key_index = ckpair - app_main.cert_key_pair_store;
+ return ckpair;
+}
+
+app_cert_key_pair_t *
+app_cert_key_pair_get_if_valid (u32 index)
+{
+ if (pool_is_free_index (app_main.cert_key_pair_store, index))
+ return 0;
+ return app_cert_key_pair_get (index);
+}
+
+app_cert_key_pair_t *
+app_cert_key_pair_get (u32 index)
+{
+ return pool_elt_at_index (app_main.cert_key_pair_store, index);
+}
+
+app_cert_key_pair_t *
+app_cert_key_pair_get_default ()
+{
+ /* To maintain legacy bapi */
+ return app_cert_key_pair_get (0);
+}
+
+int
+vnet_app_add_cert_key_pair (vnet_app_add_cert_key_pair_args_t * a)
+{
+ app_cert_key_pair_t *ckpair = app_cert_key_pair_alloc ();
+ vec_validate (ckpair->cert, a->cert_len - 1);
+ clib_memcpy_fast (ckpair->cert, a->cert, a->cert_len);
+ vec_validate (ckpair->key, a->key_len - 1);
+ clib_memcpy_fast (ckpair->key, a->key, a->key_len);
+ a->index = ckpair->cert_key_index;
+ return 0;
+}
+
+int
+vnet_app_add_cert_key_interest (u32 index, u32 app_index)
+{
+ app_cert_key_pair_t *ckpair;
+ if (!(ckpair = app_cert_key_pair_get_if_valid (index)))
+ return -1;
+ if (vec_search (ckpair->app_interests, app_index) != ~0)
+ vec_add1 (ckpair->app_interests, app_index);
+ return 0;
+}
+
+int
+vnet_app_del_cert_key_pair (u32 index)
+{
+ app_cert_key_pair_t *ckpair;
+ application_t *app;
+ u32 *app_index;
+
+ if (!(ckpair = app_cert_key_pair_get_if_valid (index)))
+ return SESSION_E_INVALID;
+
+ vec_foreach (app_index, ckpair->app_interests)
+ {
+ if ((app = application_get_if_valid (*app_index))
+ && app->cb_fns.app_cert_key_pair_delete_callback)
+ app->cb_fns.app_cert_key_pair_delete_callback (ckpair);
+ }
+
+ vec_free (ckpair->cert);
+ vec_free (ckpair->key);
+ pool_put (app_main.cert_key_pair_store, ckpair);
+ return 0;
+}
+
+clib_error_t *
+application_init (vlib_main_t * vm)
{
+ app_main_t *am = &app_main;
+ u32 n_workers;
+
+ n_workers = vlib_num_workers ();
+
+ /* Index 0 was originally used by legacy apis, maintain as invalid */
+ (void) app_cert_key_pair_alloc ();
+ am->last_crypto_engine = CRYPTO_ENGINE_LAST;
+ am->app_by_name = hash_create_vec (0, sizeof (u8), sizeof (uword));
+
+ vec_validate (am->wrk, n_workers);
+
+ return 0;
+}
+
+VLIB_INIT_FUNCTION (application_init);
+
+VLIB_CLI_COMMAND (show_app_command, static) = {
.path = "show app",
- .short_help = "show app [server|client] [verbose]",
+ .short_help = "show app [index] [server|client] [mq] [verbose] "
+ "[transports]",
.function = show_app_command_fn,
};
-/* *INDENT-ON* */
+
+VLIB_CLI_COMMAND (show_certificate_command, static) = {
+ .path = "show app certificate",
+ .short_help = "list app certs and keys present in store",
+ .function = show_certificate_command_fn,
+};
+
+crypto_engine_type_t
+app_crypto_engine_type_add (void)
+{
+ return (++app_main.last_crypto_engine);
+}
+
+u8
+app_crypto_engine_n_types (void)
+{
+ return (app_main.last_crypto_engine + 1);
+}
/*
* fd.io coding-style-patch-verification: ON