#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)
{
pool_get (app->listeners, app_listener);
clib_memset (app_listener, 0, sizeof (*app_listener));
app_listener->al_index = app_listener - app->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_t *
app_listener_get (application_t * app, u32 app_listener_index)
{
return pool_elt_at_index (app->listeners, app_listener_index);
clib_memset (app_listener, 0xfa, sizeof (*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;
+}
+
+app_listener_t *
+app_listener_get_w_session (session_t * ls)
+{
+ application_t *app;
+
+ app = application_get_if_valid (ls->app_index);
+ if (!app)
+ return 0;
+ return app_listener_get (app, ls->al_index);
+}
+
+session_handle_t
+app_listen_session_handle (session_t * ls)
+{
+ app_listener_t *al;
+ al = app_listener_get_w_session (ls);
+ if (!al)
+ return listen_session_get_handle (ls);
+ 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_w_session (ls);
+}
+
+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;
+
+ 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_w_session (ls);
+ }
+ }
+
+ fib_proto = session_endpoint_fib_proto (sep);
+ table_index = application_session_table (app, fib_proto);
+ 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_w_session ((session_t *) ls);
+ }
+
+ 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);
- clib_memset (app_listener, 0, sizeof (*app_listener));
- app_listener->al_index = app_listener - app->local_listeners;
- return app_listener;
+ transport_connection_t *tc;
+ session_handle_t lh;
+ session_type_t st;
+ session_t *ls = 0;
+ u32 al_index;
+ 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;
+ u32 table_index;
+
+ local_st = session_type_from_proto_and_ip (TRANSPORT_PROTO_NONE,
+ sep->is_ip4);
+ ls = listen_session_alloc (0, local_st);
+ ls->app_index = app->app_index;
+ 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);
+ return rv;
+ }
+
+ ls = session_get_from_handle (lh);
+ app_listener = app_listener_get (app, 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_index = app->app_index;
+ 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);
+ return rv;
+ }
+ ls = listen_session_get_from_handle (lh);
+ app_listener = app_listener_get (app, 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))
+ session_lookup_add_connection (tc, 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 (application_t * app, app_listener_t * al)
{
- clib_bitmap_free (app_listener->workers);
- pool_put (app->local_listeners, app_listener);
- if (CLIB_DEBUG)
- clib_memset (app_listener, 0xfa, sizeof (*app_listener));
+ 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);
}
static app_worker_map_t *
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;
-}
-
/**
* Returns app name for app-index
*/
return 0;
}
-application_t *
+static application_t *
application_alloc (void)
{
application_t *app;
u8 is_valid;
if (st == SSVM_SEGMENT_MEMFD)
{
- is_valid = (session_manager_get_evt_q_segment () != 0);
+ is_valid = (session_main_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)
{
- is_valid = (session_manager_get_evt_q_segment () == 0);
+ is_valid = (session_main_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;
return 1;
}
-int
+static int
application_alloc_and_init (app_init_args_t * a)
{
ssvm_segment_type_t seg_type = SSVM_SEGMENT_MEMFD;
- segment_manager_properties_t *props;
+ segment_manager_props_t *props;
vl_api_registration_t *reg;
application_t *app;
u64 *options;
}
else
{
- if (options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
- {
- clib_warning ("mq eventfds can only be used if socket transport is "
- "used for api");
- return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
- }
seg_type = SSVM_SEGMENT_PRIVATE;
}
+ if ((options[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 VNET_API_ERROR_APP_UNSUPPORTED_CFG;
+ }
+
if (!application_verify_cfg (seg_type))
return VNET_API_ERROR_APP_UNSUPPORTED_CFG;
app->flags |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
props = application_segment_manager_properties (app);
- segment_manager_properties_init (props);
- props->segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
+ segment_manager_props_init (props);
+ props->segment_size = options[APP_OPTIONS_SEGMENT_SIZE];
props->prealloc_fifos = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS];
if (options[APP_OPTIONS_ADD_SEGMENT_SIZE])
{
a->app_index = app->app_index;
APP_DBG ("New app name: %v api index: %u index %u", app->name,
- app->api_client_index, app->app_index);
+ a->api_client_index, app->app_index);
return 0;
}
-void
+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);
/* *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.
- */
- 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);
-
/*
* Cleanup remaining state
*/
pool_put (app_main.app_pool, app);
}
-void
+static void
application_detach_process (application_t * app, u32 api_client_index)
{
vnet_app_worker_add_del_args_t _args = { 0 }, *args = &_args;
}
APP_DBG ("Detaching for app %v index %u api client index %u", app->name,
- app->app_index, app->api_client_index);
+ app->app_index, api_client_index);
/* *INDENT-OFF* */
pool_foreach (wrk_map, app->worker_maps, ({
}
app_worker_t *
-application_listener_select_worker (session_t * ls, u8 is_local)
+application_listener_select_worker (session_t * ls)
{
- app_listener_t *app_listener;
application_t *app;
- u32 wrk_index;
+ app_listener_t *al;
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);
-
- 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);
-
- ASSERT (wrk_index != ~0);
- app_listener->accept_rotor = wrk_index;
- return application_get_worker (app, wrk_index);
+ al = app_listener_get (app, ls->al_index);
+ return app_listener_select_worker (app, al);
}
int
/*
* 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_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;
}
-/**
- * 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.
- */
-int
-application_start_listen (application_t * app,
- session_endpoint_cfg_t * sep_ext,
- session_handle_t * res)
-{
- app_listener_t *app_listener;
- u32 table_index, fib_proto;
- session_endpoint_t *sep;
- app_worker_t *app_wrk;
- session_t *ls;
- session_handle_t lh;
- session_type_t sst;
-
- /*
- * 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)
- {
- ls = listen_session_get_from_handle (lh);
- if (ls->app_index != app->app_index)
- return VNET_API_ERROR_ADDRESS_IN_USE;
-
- 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;
-
- if (app_worker_start_listen (app_wrk, ls))
- return -1;
-
- 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);
-
- *res = listen_session_get_handle (ls);
- 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;
- lh = listen_session_get_handle (ls);
- if (session_listen (ls, sep_ext))
- goto err;
-
-
- ls = listen_session_get_from_handle (lh);
- app_listener = app_listener_alloc (app);
- ls->listener_db_index = app_listener->al_index;
-
- /*
- * Setup app worker as a listener
- */
- 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 = lh;
- return 0;
-
-err:
- listen_session_del (ls);
- return -1;
-}
-
-int
-application_change_listener_owner (session_t * s, app_worker_t * app_wrk)
-{
- app_worker_t *old_wrk = app_worker_get (s->app_wrk_index);
- app_listener_t *app_listener;
- application_t *app;
-
- if (!old_wrk)
- return -1;
-
- 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->segment_index, s->rx_fifo,
- s->tx_fifo);
-
- if (app_worker_start_listen (app_wrk, s))
- return -1;
-
- s->app_wrk_index = app_wrk->wrk_index;
-
- app = application_get (old_wrk->app_index);
- if (!app)
- return -1;
-
- app_listener = app_listener_get (app, s->listener_db_index);
- app_listener->workers = clib_bitmap_set (app_listener->workers,
- app_wrk->wrk_map_index, 1);
- app_listener->workers = clib_bitmap_set (app_listener->workers,
- old_wrk->wrk_map_index, 0);
- return 0;
-}
-
-/**
- * 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)
-{
- app_listener_t *app_listener;
- session_t *listener;
- app_worker_t *app_wrk;
- application_t *app;
-
- 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;
- }
-
- app_listener = app_listener_get (app, listener->listener_db_index);
- if (!clib_bitmap_get (app_listener->workers, app_wrk_index))
- {
- clib_warning ("worker %u not listening on handle %lu", app_wrk_index,
- handle);
- 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);
-
- if (clib_bitmap_is_zero (app_listener->workers))
- {
- session_stop_listen (listener);
- app_listener_free (app, app_listener);
- listen_session_del (listener);
- }
-
- return 0;
-}
-
-clib_error_t *
vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a)
{
- svm_fifo_segment_private_t *fs;
+ fifo_segment_t *fs;
app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
segment_manager_t *sm;
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);
+ return VNET_API_ERROR_INVALID_VALUE;
if (a->is_add)
{
if ((rv = application_alloc_worker_and_init (app, &app_wrk)))
- return clib_error_return_code (0, rv, 0, "app wrk init: %d", rv);
+ return rv;
/* Map worker api index to the app */
app_wrk->api_client_index = a->api_client_index;
{
wrk_map = app_worker_map_get (app, a->wrk_map_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_map_index);
+ return VNET_API_ERROR_INVALID_VALUE;
+
app_wrk = app_worker_get (wrk_map->wrk_index);
if (!app_wrk)
- return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
- "No worker %u", a->wrk_map_index);
+ return VNET_API_ERROR_INVALID_VALUE;
+
application_api_table_del (app_wrk->api_client_index);
app_worker_free (app_wrk);
app_worker_map_free (app, wrk_map);
return 0;
}
-int
-application_is_proxy (application_t * app)
+static int
+app_validate_namespace (u8 * namespace_id, u64 secret, u32 * app_ns_index)
{
- return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY);
+ app_namespace_t *app_ns;
+ if (vec_len (namespace_id) == 0)
+ {
+ /* 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 VNET_API_ERROR_APP_INVALID_NS;
+ app_ns = app_namespace_get (*app_ns_index);
+ if (!app_ns)
+ return VNET_API_ERROR_APP_INVALID_NS;
+ if (app_ns->ns_secret != secret)
+ return VNET_API_ERROR_APP_WRONG_NS_SECRET;
+ return 0;
}
-int
-application_is_builtin (application_t * app)
+static u8 *
+app_name_from_api_index (u32 api_client_index)
{
- return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN);
+ 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.
+ */
int
-application_is_builtin_proxy (application_t * app)
+vnet_application_attach (vnet_app_attach_args_t * a)
{
- return (application_is_proxy (app) && application_is_builtin (app));
-}
+ fifo_segment_t *fs;
+ application_t *app = 0;
+ app_worker_t *app_wrk;
+ segment_manager_t *sm;
+ u32 app_ns_index = 0;
+ u8 *app_name = 0;
+ u64 secret;
+ int 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 VNET_API_ERROR_INVALID_VALUE;
+
+ if (app)
+ return VNET_API_ERROR_APP_ALREADY_ATTACHED;
+
+ 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;
+
+ 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->first_segment_manager);
+ fs = segment_manager_get_segment_w_lock (sm, 0);
+
+ if (application_is_proxy (app))
+ application_setup_proxy (app);
+
+ 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);
+ vec_free (app_name);
+ return 0;
+}
+
+/**
+ * Detach application from vpp
+ */
+int
+vnet_application_detach (vnet_app_detach_args_t * a)
+{
+ application_t *app;
+
+ app = application_get_if_valid (a->app_index);
+ if (!app)
+ {
+ clib_warning ("app not attached");
+ return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
+ }
+
+ app_interface_check_thread_and_barrier (vnet_application_detach, a);
+ application_detach_process (app, a->api_client_index);
+ return 0;
+}
+
+
+static u8
+session_endpoint_in_ns (session_endpoint_t * sep)
+{
+ u8 is_lep = session_endpoint_is_local (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;
+ }
+ 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;
+
+ ns_index = app->ns_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;
+
+ 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.
+ */
+
+ /* 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");
+
+ sep->peer.sw_if_index = app_ns->sw_if_index;
+ }
+}
+
+int
+vnet_listen (vnet_listen_args_t * a)
+{
+ app_listener_t *app_listener;
+ app_worker_t *app_wrk;
+ application_t *app;
+ int rv;
+
+ app = application_get_if_valid (a->app_index);
+ if (!app)
+ return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
+
+ app_wrk = application_get_worker (app, a->wrk_map_index);
+ if (!app_wrk)
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ 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))
+ return VNET_API_ERROR_INVALID_VALUE_2;
+
+ /*
+ * 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 VNET_API_ERROR_ADDRESS_IN_USE;
+ if (app_worker_start_listen (app_wrk, app_listener))
+ return -1;
+ a->handle = app_listener_handle (app_listener);
+ return 0;
+ }
+
+ /*
+ * Create new app listener
+ */
+ if ((rv = app_listener_alloc_and_init (app, &a->sep_ext, &app_listener)))
+ return rv;
+
+ if ((rv = app_worker_start_listen (app_wrk, app_listener)))
+ {
+ app_listener_cleanup (app_listener);
+ return rv;
+ }
+
+ a->handle = app_listener_handle (app_listener);
+ return 0;
+}
+
+int
+vnet_connect (vnet_connect_args_t * a)
+{
+ app_worker_t *client_wrk;
+ application_t *client;
+
+ if (session_endpoint_is_zero (&a->sep))
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ 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);
+
+ /*
+ * 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))
+ {
+ int rv;
+
+ 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, a->api_context);
+ if (rv <= 0)
+ return rv;
+ }
+ /*
+ * Not connecting to a local server, propagate to transport
+ */
+ if (app_worker_connect_session (client_wrk, &a->sep, a->api_context))
+ return VNET_API_ERROR_SESSION_CONNECT;
+ return 0;
+}
+
+int
+vnet_unlisten (vnet_unlisten_args_t * a)
+{
+ app_worker_t *app_wrk;
+ app_listener_t *al;
+ application_t *app;
+
+ if (!(app = application_get_if_valid (a->app_index)))
+ return VNET_API_ERROR_APPLICATION_NOT_ATTACHED;
+
+ if (!(al = app_listener_get_w_handle (a->handle)))
+ return -1;
+
+ if (al->app_index != app->app_index)
+ {
+ clib_warning ("app doesn't own handle %llu!", a->handle);
+ return -1;
+ }
+
+ app_wrk = application_get_worker (app, a->wrk_map_index);
+ if (!app_wrk)
+ {
+ clib_warning ("no app %u worker %u", app->app_index, a->wrk_map_index);
+ return -1;
+ }
+
+ return app_worker_stop_listen (app_wrk, al);
+}
+
+int
+vnet_disconnect_session (vnet_disconnect_args_t * a)
+{
+ app_worker_t *app_wrk;
+ session_t *s;
+
+ s = session_get_from_handle_if_valid (a->handle);
+ if (!s)
+ return VNET_API_ERROR_INVALID_VALUE;
+ app_wrk = app_worker_get (s->app_wrk_index);
+ if (app_wrk->app_index != a->app_index)
+ return VNET_API_ERROR_INVALID_VALUE;
+
+ /* 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;
+}
+
+int
+application_change_listener_owner (session_t * s, app_worker_t * app_wrk)
+{
+ app_worker_t *old_wrk = app_worker_get (s->app_wrk_index);
+ app_listener_t *app_listener;
+ application_t *app;
+
+ if (!old_wrk)
+ return -1;
+
+ 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 -1;
+
+ app_listener = app_listener_get (app, 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 (app_worker_start_listen (app_wrk, app_listener))
+ return -1;
+
+ s->app_wrk_index = app_wrk->wrk_index;
+
+ return 0;
+}
+
+int
+application_is_proxy (application_t * app)
+{
+ return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY);
+}
+
+int
+application_is_builtin (application_t * app)
+{
+ return (app->flags & APP_OPTIONS_FLAGS_IS_BUILTIN);
+}
+
+int
+application_is_builtin_proxy (application_t * app)
+{
+ return (application_is_proxy (app) && application_is_builtin (app));
+}
u8
application_has_local_scope (application_t * app)
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;
-}
-
static clib_error_t *
application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto,
u8 transport_proto, u8 is_start)
session_endpoint_cfg_t sep = SESSION_ENDPOINT_CFG_NULL;
transport_connection_t *tc;
app_worker_t *app_wrk;
+ app_listener_t *al;
session_t *s;
- u64 handle;
+ 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
/* *INDENT-ON* */
}
-segment_manager_properties_t *
+segment_manager_props_t *
application_segment_manager_properties (application_t * app)
{
return &app->sm_properties;
}
-segment_manager_properties_t *
+segment_manager_props_t *
application_get_segment_manager_properties (u32 app_index)
{
application_t *app = application_get (app_index);
return &app->sm_properties;
}
-local_session_t *
-application_local_listen_session_alloc (application_t * app)
-{
- local_session_t *ll;
- pool_get (app->local_listen_sessions, ll);
- clib_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)
- clib_memset (ll, 0xfb, sizeof (*ll));
-}
-
-int
-application_start_local_listen (application_t * app,
- session_endpoint_cfg_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;
- 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
- * sep we should be cleaning up.
- */
- 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)
- app_worker_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;
-}
-
clib_error_t *
vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a)
{
/* *INDENT-ON* */
}
-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;
- }
-
- /*
- * 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* */
-}
-
-static void
-application_format_local_connects (application_t * app, int verbose)
-{
- 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* */
-}
-
u8 *
format_application (u8 * s, va_list * args)
{
application_t *app = va_arg (*args, application_t *);
CLIB_UNUSED (int verbose) = va_arg (*args, int);
- segment_manager_properties_t *props;
+ segment_manager_props_t *props;
const u8 *app_ns_name, *app_name;
app_worker_map_t *wrk_map;
app_worker_t *app_wrk;
props = application_segment_manager_properties (app);
if (!verbose)
{
- s = format (s, "%-10u%-20s%-40s", app->app_index, app_name,
+ s = format (s, "%-10u%-20v%-40s", app->app_index, app_name,
app_ns_name);
return s;
}
- s = format (s, "app-name %s app-index %u ns-index %u seg-size %U\n",
+ 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",
}
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* */
- }
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_listeners (app, verbose);
+ }));
+ /* *INDENT-ON* */
}
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);
-
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_local_connects (app, verbose);
- }));
- /* *INDENT-ON* */
- }
- else
- {
- application_format_connects (0, verbose);
+ application_format_connects (0, verbose);
- /* *INDENT-OFF* */
- pool_foreach (app, app_main.app_pool, ({
- application_format_connects (app, verbose);
- }));
- /* *INDENT-ON* */
- }
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_main.app_pool, ({
+ application_format_connects (app, verbose);
+ }));
+ /* *INDENT-ON* */
}
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;
application_t *app;
u32 app_index = ~0;
int verbose = 0;
do_server = 1;
else if (unformat (input, "client"))
do_client = 1;
- else if (unformat (input, "local"))
- do_local = 1;
else if (unformat (input, "%u", &app_index))
;
else if (unformat (input, "verbose"))
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;
}