#include <vnet/session/application.h>
#include <vnet/session/application_interface.h>
+#include <vnet/session/application_namespace.h>
#include <vnet/session/session.h>
/**
*/
static u32 default_app_evt_queue_size = 128;
+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->index, 0);
+ else
+ app_name = format (0, "%s%c", regp->name, 0);
+
+ return app_name;
+}
+
+u32
+application_session_table (application_t * app, u8 fib_proto)
+{
+ app_namespace_t *app_ns;
+ app_ns = app_namespace_get (app->ns_index);
+ if (!application_has_global_scope (app))
+ return APP_INVALID_INDEX;
+ if (fib_proto == FIB_PROTOCOL_IP4)
+ return session_lookup_get_index_for_fib (fib_proto,
+ app_ns->ip4_fib_index);
+ else
+ return session_lookup_get_index_for_fib (fib_proto,
+ app_ns->ip6_fib_index);
+}
+
+u32
+application_local_session_table (application_t * app)
+{
+ app_namespace_t *app_ns;
+ if (!application_has_local_scope (app))
+ return APP_INVALID_INDEX;
+ app_ns = app_namespace_get (app->ns_index);
+ return app_ns->local_table_index;
+}
+
int
application_api_queue_is_full (application_t * app)
{
- unix_shared_memory_queue_t *q;
+ svm_queue_t *q;
/* builtin servers are always OK */
if (app->api_client_index == ~0)
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
+ */
+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);
+}
+
static void
application_table_add (application_t * app)
{
pool_get (app_pool, app);
memset (app, 0, sizeof (*app));
app->index = application_get_index (app);
- app->connects_seg_manager = ~0;
- app->first_segment_manager = ~0;
+ app->connects_seg_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
+ app->first_segment_manager = APP_INVALID_SEGMENT_MANAGER_INDEX;
if (CLIB_DEBUG > 1)
clib_warning ("[%d] New app (%d)", getpid (), app->index);
return app;
void
application_del (application_t * app)
{
+ segment_manager_properties_t *props;
+ vnet_unbind_args_t _a, *a = &_a;
segment_manager_t *sm;
- u64 handle;
- u32 index, *handles = 0;
+ u64 handle, *handles = 0;
+ u32 index;
int i;
- vnet_unbind_args_t _a, *a = &_a;
/*
* The app event queue allocated in first segment is cleared with
if (CLIB_DEBUG > 1)
clib_warning ("[%d] Delete app (%d)", getpid (), app->index);
+ if (application_is_proxy (app))
+ application_remove_proxy (app);
+
/*
- * Cleanup segment managers
+ * Listener cleanup
*/
- if (app->connects_seg_manager != (u32) ~ 0)
- {
- sm = segment_manager_get (app->connects_seg_manager);
- segment_manager_del (sm);
- }
/* *INDENT-OFF* */
hash_foreach (handle, index, app->listeners_table,
({
vec_add1 (handles, handle);
+ sm = segment_manager_get (index);
+ sm->app_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
}));
/* *INDENT-ON* */
- /* Actual listener cleanup */
for (i = 0; i < vec_len (handles); i++)
{
a->app_index = app->index;
vnet_unbind (a);
}
- if (app->first_segment_manager != ~0)
+ /*
+ * Connects segment manager cleanup
+ */
+
+ if (app->connects_seg_manager != APP_INVALID_SEGMENT_MANAGER_INDEX)
{
- sm = segment_manager_get (app->first_segment_manager);
- segment_manager_first_segment_maybe_del (sm);
+ sm = segment_manager_get (app->connects_seg_manager);
+ sm->app_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
+ segment_manager_init_del (sm);
}
+ /* If first segment manager is used by a listener */
+ if (app->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
+ && app->first_segment_manager != app->connects_seg_manager)
+ {
+ sm = segment_manager_get (app->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_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
+ segment_manager_del (sm);
+ }
+ }
+ props = segment_manager_properties_get (app->sm_properties);
+ segment_manager_properties_free (props);
application_table_del (app);
pool_put (app_pool, app);
}
segment_manager_t *sm;
segment_manager_properties_t *props;
u32 app_evt_queue_size, first_seg_size;
+ u32 default_rx_fifo_size = 16 << 10, default_tx_fifo_size = 16 << 10;
int rv;
- app_evt_queue_size = options[APP_EVT_QUEUE_SIZE] > 0 ?
- options[APP_EVT_QUEUE_SIZE] : default_app_evt_queue_size;
+ app_evt_queue_size = options[APP_OPTIONS_EVT_QUEUE_SIZE] > 0 ?
+ options[APP_OPTIONS_EVT_QUEUE_SIZE] : default_app_evt_queue_size;
- /* Setup segment manager */
+ /*
+ * Setup segment manager
+ */
sm = segment_manager_new ();
sm->app_index = app->index;
- props = &app->sm_properties;
- props->add_segment_size = options[SESSION_OPTIONS_ADD_SEGMENT_SIZE];
- props->rx_fifo_size = options[SESSION_OPTIONS_RX_FIFO_SIZE];
- props->tx_fifo_size = options[SESSION_OPTIONS_TX_FIFO_SIZE];
+ props = segment_manager_properties_alloc ();
+ app->sm_properties = segment_manager_properties_index (props);
+ props->add_segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
+ props->rx_fifo_size = options[APP_OPTIONS_RX_FIFO_SIZE];
+ props->rx_fifo_size =
+ props->rx_fifo_size ? props->rx_fifo_size : default_rx_fifo_size;
+ props->tx_fifo_size = options[APP_OPTIONS_TX_FIFO_SIZE];
+ props->tx_fifo_size =
+ props->tx_fifo_size ? props->tx_fifo_size : default_tx_fifo_size;
props->add_segment = props->add_segment_size != 0;
props->preallocated_fifo_pairs = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS];
props->use_private_segment = options[APP_OPTIONS_FLAGS]
- & APP_OPTIONS_FLAGS_BUILTIN_APP;
+ & APP_OPTIONS_FLAGS_IS_BUILTIN;
props->private_segment_count = options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT];
- props->private_segment_size = options[APP_OPTIONS_PRIVATE_SEGMENT_SIZE];
- first_seg_size = options[SESSION_OPTIONS_SEGMENT_SIZE];
- if ((rv = segment_manager_init (sm, props, first_seg_size)))
+ first_seg_size = options[APP_OPTIONS_SEGMENT_SIZE];
+ if ((rv = segment_manager_init (sm, app->sm_properties, first_seg_size)))
return rv;
+ sm->first_is_protected = 1;
+ /*
+ * Setup application
+ */
app->first_segment_manager = segment_manager_index (sm);
app->api_client_index = api_client_index;
app->flags = options[APP_OPTIONS_FLAGS];
app->cb_fns = *cb_fns;
+ app->ns_index = options[APP_OPTIONS_NAMESPACE];
+ app->listeners_table = hash_create (0, sizeof (u64));
+ app->proxied_transports = options[APP_OPTIONS_PROXY_TRANSPORT];
+
+ /* 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;
/* Allocate app event queue in the first shared-memory segment */
app->event_queue = segment_manager_alloc_queue (sm, app_evt_queue_size);
application_t *
application_get (u32 index)
{
+ if (index == APP_INVALID_INDEX)
+ return 0;
return pool_elt_at_index (app_pool, index);
}
{
segment_manager_t *sm = 0;
- if (app->first_segment_manager != (u32) ~ 0)
+ /* If the first segment manager is not in use, don't allocate a new one */
+ if (app->first_segment_manager != APP_INVALID_SEGMENT_MANAGER_INDEX
+ && app->first_segment_manager_in_use == 0)
{
sm = segment_manager_get (app->first_segment_manager);
+ app->first_segment_manager_in_use = 1;
return sm;
}
sm = segment_manager_new ();
- if (segment_manager_init (sm, &app->sm_properties, 0))
- return 0;
+ sm->properties_index = app->sm_properties;
+
return sm;
}
* it's own specific listening connection.
*/
int
-application_start_listen (application_t * srv, session_type_t session_type,
- transport_endpoint_t * tep, u64 * res)
+application_start_listen (application_t * srv, session_endpoint_t * sep,
+ u64 * res)
{
segment_manager_t *sm;
stream_session_t *s;
u64 handle;
+ session_type_t sst;
- s = listen_session_new (session_type);
+ sst = session_type_from_proto_and_ip (sep->transport_proto, sep->is_ip4);
+ s = listen_session_new (sst);
s->app_index = srv->index;
- if (stream_session_listen (s, tep))
+ if (stream_session_listen (s, sep))
goto err;
/* Allocate segment manager. All sessions derived out of a listen session
ASSERT (indexp);
sm = segment_manager_get (*indexp);
- segment_manager_del (sm);
- srv->first_segment_manager = ~0;
+ if (srv->first_segment_manager == *indexp)
+ {
+ /* Delete sessions but don't remove segment manager */
+ srv->first_segment_manager_in_use = 0;
+ segment_manager_del_sessions (sm);
+ }
+ else
+ {
+ segment_manager_init_del (sm);
+ }
hash_unset (srv->listeners_table, handle);
listen_session_del (listener);
}
int
-application_open_session (application_t * app, session_type_t sst,
- transport_endpoint_t * tep, u32 api_context)
+application_open_session (application_t * app, session_endpoint_t * sep,
+ u32 api_context)
{
segment_manager_t *sm;
- transport_connection_t *tc = 0;
int rv;
/* Make sure we have a segment manager for connects */
- if (app->connects_seg_manager == (u32) ~ 0)
+ if (app->connects_seg_manager == APP_INVALID_SEGMENT_MANAGER_INDEX)
{
sm = application_alloc_segment_manager (app);
if (sm == 0)
app->connects_seg_manager = segment_manager_index (sm);
}
- if ((rv = stream_session_open (app->index, sst, tep, &tc)))
+ if ((rv = session_open (app->index, sep, api_context)))
return rv;
- /* Store api_context for when the reply comes. Not the nicest thing
- * but better allocating a separate half-open pool. */
- tc->s_index = api_context;
-
return 0;
}
return segment_manager_get (*smp);
}
-static u8 *
-app_get_name_from_reg_index (application_t * app)
+int
+application_is_proxy (application_t * app)
{
- u8 *app_name;
+ return (app->flags & APP_OPTIONS_FLAGS_IS_PROXY);
+}
- 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->index, 0);
+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));
+}
+
+int
+application_add_segment_notify (u32 app_index, u32 fifo_segment_index)
+{
+ application_t *app = application_get (app_index);
+ u32 seg_size = 0;
+ u8 *seg_name;
+
+ /* Send an API message to the external app, to map new segment */
+ ASSERT (app->cb_fns.add_segment_callback);
+
+ segment_manager_get_segment_info (fifo_segment_index, &seg_name, &seg_size);
+ return app->cb_fns.add_segment_callback (app->api_client_index, seg_name,
+ seg_size);
+}
+
+u8
+application_has_local_scope (application_t * app)
+{
+ return app->flags & APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE;
+}
+
+u8
+application_has_global_scope (application_t * app)
+{
+ return app->flags & APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
+}
+
+u32
+application_n_listeners (application_t * app)
+{
+ return hash_elts (app->listeners_table);
+}
+
+stream_session_t *
+application_first_listener (application_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->listener_index != SESSION_PROXY_LISTENER_INDEX)
+ return listener;
+ }));
+ /* *INDENT-ON* */
+
+ return 0;
+}
+
+stream_session_t *
+application_proxy_listener (application_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->listener_index == SESSION_PROXY_LISTENER_INDEX)
+ return listener;
+ }));
+ /* *INDENT-ON* */
+
+ return 0;
+}
+
+static clib_error_t *
+application_start_stop_proxy_fib_proto (application_t * app, u8 fib_proto,
+ u8 transport_proto, u8 is_start)
+{
+ app_namespace_t *app_ns = app_namespace_get (app->ns_index);
+ u8 is_ip4 = (fib_proto == FIB_PROTOCOL_IP4);
+ session_endpoint_t sep = SESSION_ENDPOINT_NULL;
+ transport_connection_t *tc;
+ stream_session_t *s;
+ u64 handle;
+
+ if (is_start)
+ {
+ s = application_first_listener (app, fib_proto, transport_proto);
+ if (!s)
+ {
+ sep.is_ip4 = is_ip4;
+ sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
+ sep.sw_if_index = app_ns->sw_if_index;
+ sep.transport_proto = transport_proto;
+ application_start_listen (app, &sep, &handle);
+ s = listen_session_get_from_handle (handle);
+ s->listener_index = SESSION_PROXY_LISTENER_INDEX;
+ }
+ }
else
- app_name = format (0, "%s%c", regp->name, 0);
+ {
+ s = application_proxy_listener (app, fib_proto, transport_proto);
+ ASSERT (s);
+ }
- return app_name;
+ tc = listen_session_get_transport (s);
+
+ if (!ip_is_zero (&tc->lcl_ip, 1))
+ {
+ u32 sti;
+ sep.is_ip4 = is_ip4;
+ sep.fib_index = app_namespace_get_fib_index (app_ns, fib_proto);
+ sep.transport_proto = transport_proto;
+ sep.port = 0;
+ sti = session_lookup_get_index_for_fib (fib_proto, sep.fib_index);
+ if (is_start)
+ session_lookup_add_session_endpoint (sti, &sep, s->session_index);
+ else
+ session_lookup_del_session_endpoint (sti, &sep);
+ }
+
+ return 0;
+}
+
+static void
+application_start_stop_proxy_local_scope (application_t * app,
+ u8 transport_proto, u8 is_start)
+{
+ session_endpoint_t sep = SESSION_ENDPOINT_NULL;
+ app_namespace_t *app_ns;
+ app_ns = app_namespace_get (app->ns_index);
+ sep.is_ip4 = 1;
+ sep.transport_proto = transport_proto;
+ sep.port = 0;
+
+ if (is_start)
+ {
+ session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
+ app->index);
+ sep.is_ip4 = 0;
+ session_lookup_add_session_endpoint (app_ns->local_table_index, &sep,
+ app->index);
+ }
+ else
+ {
+ session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
+ sep.is_ip4 = 0;
+ session_lookup_del_session_endpoint (app_ns->local_table_index, &sep);
+ }
+}
+
+void
+application_start_stop_proxy (application_t * app,
+ transport_proto_t transport_proto, u8 is_start)
+{
+ if (application_has_local_scope (app))
+ application_start_stop_proxy_local_scope (app, transport_proto, is_start);
+
+ if (application_has_global_scope (app))
+ {
+ application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP4,
+ transport_proto, is_start);
+ application_start_stop_proxy_fib_proto (app, FIB_PROTOCOL_IP6,
+ transport_proto, is_start);
+ }
+}
+
+void
+application_setup_proxy (application_t * app)
+{
+ u16 transports = app->proxied_transports;
+ transport_proto_t tp;
+
+ ASSERT (application_is_proxy (app));
+ if (application_is_builtin (app))
+ return;
+
+ /* *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* */
}
u8 *
svm_fifo_t *fifo;
u8 *str;
- fifo_segment = svm_fifo_get_segment (sm->segment_indices[j]);
+ fifo_segment = svm_fifo_segment_get_segment (sm->segment_indices[j]);
fifo = svm_fifo_segment_get_fifo_list (fifo_segment);
while (fifo)
{
session_index = fifo->master_session_index;
thread_index = fifo->master_thread_index;
- session = stream_session_get (session_index, thread_index);
+ session = session_get (session_index, thread_index);
str = format (0, "%U", format_stream_session, session, verbose);
if (verbose)
{
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;
if (app == 0)
{
if (verbose)
- s = format (s, "%-10s%-20s%-15s%-15s%-15s%-15s", "Index", "Name",
- "API Client", "Add seg size", "Rx fifo size",
+ s = format (s, "%-10s%-20s%-15s%-15s%-15s%-15s%-15s", "Index", "Name",
+ "API Client", "Namespace", "Add seg size", "Rx fifo size",
"Tx fifo size");
else
- s = format (s, "%-10s%-20s%-20s", "Index", "Name", "API Client");
+ s =
+ format (s, "%-10s%-20s%-15s%-40s", "Index", "Name", "API Client",
+ "Namespace");
return s;
}
app_name = app_get_name_from_reg_index (app);
+ app_ns_name = app_namespace_id_from_index (app->ns_index);
+ props = segment_manager_properties_get (app->sm_properties);
if (verbose)
- s = format (s, "%-10d%-20s%-15d%-15d%-15d%-15d", app->index, app_name,
- app->api_client_index, app->sm_properties.add_segment_size,
- app->sm_properties.rx_fifo_size,
- app->sm_properties.tx_fifo_size);
+ s =
+ format (s, "%-10d%-20s%-15d%-15d%-15d%-15d%-15d", app->index, app_name,
+ app->api_client_index, app->ns_index,
+ props->add_segment_size,
+ props->rx_fifo_size, props->tx_fifo_size);
else
- s = format (s, "%-10d%-20s%-20d", app->index, app_name,
- app->api_client_index);
+ s = format (s, "%-10d%-20s%-15d%-40s", app->index, app_name,
+ app->api_client_index, app_ns_name);
return s;
}
int do_client = 0;
int verbose = 0;
- if (!session_manager_is_enabled ())
- {
- clib_error_return (0, "session layer is not enabled");
- }
+ session_cli_return_if_not_enabled ();
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
vlib_cli_output (vm, "%U", format_application_listener,
0 /* header */ , 0, 0,
verbose);
- /* *INDENT-OFF* */
+ /* *INDENT-OFF* */
pool_foreach (app, app_pool,
({
/* App's listener sessions */
if (!do_server && !do_client)
{
vlib_cli_output (vm, "%U", format_application, 0, verbose);
- pool_foreach (app, app_pool, (
- {
- vlib_cli_output (vm, "%U",
- format_application, app,
- verbose);
- }
- ));
+ /* *INDENT-OFF* */
+ pool_foreach (app, app_pool, ({
+ vlib_cli_output (vm, "%U", format_application, app, verbose);
+ }));
+ /* *INDENT-ON* */
}
return 0;
Code Review / vpp.git / blobdiff