#include <vnet/vnet.h>
#include <vnet/session/session.h>
#include <vnet/session/segment_manager.h>
-
-typedef enum
-{
- APP_SERVER,
- APP_CLIENT,
- APP_N_TYPES
-} application_type_t;
+#include <vnet/session/application_namespace.h>
typedef struct _stream_session_cb_vft
{
/** Notify server of new segment */
- int (*add_segment_callback) (u32 api_client_index, const u8 * seg_name,
- u32 seg_size);
+ int (*add_segment_callback) (u32 api_client_index,
+ const ssvm_private_t * ssvm_seg);
+ /** Notify server of new segment */
+ int (*del_segment_callback) (u32 api_client_index,
+ const ssvm_private_t * ssvm_seg);
/** Notify server of newly accepted session */
int (*session_accept_callback) (stream_session_t * new_session);
- /* Connection request callback */
- int (*session_connected_callback) (u32 app_index, u32 api_context,
+ /** Connection request callback */
+ int (*session_connected_callback) (u32 app_index, u32 opaque,
stream_session_t * s, u8 code);
/** Notify app that session is closing */
/** Notify app that session was reset */
void (*session_reset_callback) (stream_session_t * s);
- /* Direct RX callback, for built-in servers */
- int (*builtin_server_rx_callback) (stream_session_t * session);
+ /** Direct RX callback for built-in application */
+ int (*builtin_app_rx_callback) (stream_session_t * session);
+
+ /** Direct TX callback for built-in application */
+ int (*builtin_app_tx_callback) (stream_session_t * session);
- /* Redirect connection to local server */
- int (*redirect_connect_callback) (u32 api_client_index, void *mp);
} session_cb_vft_t;
typedef struct _application
/** Flags */
u32 flags;
+ /** Name registered by builtin apps */
+ u8 *name;
+
/*
* Binary API interface to external app
*/
/** Binary API connection index, ~0 if internal */
u32 api_client_index;
+ /** Namespace the application belongs to */
+ u32 ns_index;
+
/** Application listens for events on this svm queue */
- unix_shared_memory_queue_t *event_queue;
+ svm_queue_t *event_queue;
/*
* Callbacks: shoulder-taps for the server/client
session_cb_vft_t cb_fns;
/*
- * svm segment management
+ * ssvm (fifo) segment management
*/
+ /** Segment manager used for outgoing connects issued by the app */
u32 connects_seg_manager;
- /* Lookup tables for listeners. Value is segment manager index */
+ /** Lookup tables for listeners. Value is segment manager index */
uword *listeners_table;
+ /**
+ * First segment manager has in the the first segment the application's
+ * event fifo. Depending on what the app does, it may be either used for
+ * a listener or for connects.
+ */
u32 first_segment_manager;
+ u8 first_segment_manager_in_use;
/** Segment manager properties. Shared by all segment managers */
segment_manager_properties_t sm_properties;
+
+ u16 proxied_transports;
+
+ /*
+ * Local "cut through" connections specific
+ */
+
+ /** Segment manager used for incoming "cut through" connects */
+ u32 local_segment_manager;
+
+ /** Pool of local listen sessions */
+ local_session_t *local_listen_sessions;
+
+ /** Pool of local sessions the app owns (as a server) */
+ local_session_t *local_sessions;
+
+ /** Hash table of the app's local connects */
+ uword *local_connects;
+
+ /*
+ * TLS Specific
+ */
+
+ /** Certificate to be used for listen sessions */
+ u8 *tls_cert;
+
+ /** PEM encoded key */
+ u8 *tls_key;
+
+ /** Preferred tls engine */
+ u8 tls_engine;
} application_t;
+#define APP_INVALID_INDEX ((u32)~0)
+#define APP_NS_INVALID_INDEX ((u32)~0)
+#define APP_INVALID_SEGMENT_MANAGER_INDEX ((u32) ~0)
+
application_t *application_new ();
-int
-application_init (application_t * app, u32 api_client_index, u64 * options,
- session_cb_vft_t * cb_fns);
+int application_init (application_t * app, u32 api_client_index,
+ u8 * name, u64 * options, session_cb_vft_t * cb_fns);
void application_del (application_t * app);
application_t *application_get (u32 index);
application_t *application_get_if_valid (u32 index);
application_t *application_lookup (u32 api_client_index);
+application_t *application_lookup_name (const u8 * name);
u32 application_get_index (application_t * app);
-int
-application_start_listen (application_t * app, session_type_t session_type,
- transport_endpoint_t * tep, u64 * handle);
-int application_stop_listen (application_t * srv, u64 handle);
-int
-application_open_session (application_t * app, session_type_t sst,
- transport_endpoint_t * tep, u32 api_context);
+int application_start_listen (application_t * app,
+ session_endpoint_t * tep,
+ session_handle_t * handle);
+int application_start_local_listen (application_t * server,
+ session_endpoint_t * sep,
+ session_handle_t * handle);
+int application_stop_listen (application_t * srv, session_handle_t handle);
+int application_stop_local_listen (application_t * server,
+ session_handle_t listener_handle);
+int application_open_session (application_t * app, session_endpoint_t * tep,
+ u32 api_context);
int application_api_queue_is_full (application_t * app);
segment_manager_t *application_get_listen_segment_manager (application_t *
app,
stream_session_t *
- s);
+ ls);
segment_manager_t *application_get_connect_segment_manager (application_t *
app);
+int application_alloc_connects_segment_manager (application_t * app);
+
int application_is_proxy (application_t * app);
+int application_is_builtin (application_t * app);
+int application_is_builtin_proxy (application_t * app);
+int application_add_segment_notify (u32 app_index, ssvm_private_t * fs);
+u32 application_session_table (application_t * app, u8 fib_proto);
+u32 application_local_session_table (application_t * app);
+u8 *application_name_from_index (u32 app_index);
+
+u8 application_has_local_scope (application_t * app);
+u8 application_has_global_scope (application_t * app);
+u32 application_n_listeners (application_t * app);
+stream_session_t *application_first_listener (application_t * app,
+ u8 fib_proto,
+ u8 transport_proto);
+void application_setup_proxy (application_t * app);
+void application_remove_proxy (application_t * app);
+
+segment_manager_properties_t *application_get_segment_manager_properties (u32
+ app_index);
+segment_manager_properties_t
+ * application_segment_manager_properties (application_t * app);
+
+local_session_t *application_alloc_local_session (application_t * app);
+void application_free_local_session (application_t * app,
+ local_session_t * ls);
+local_session_t *application_get_local_session (application_t * app,
+ u32 session_index);
+local_session_t *application_get_local_session_from_handle (session_handle_t
+ handle);
+int application_local_session_connect (u32 table_index,
+ application_t * client,
+ application_t * server,
+ local_session_t * ll, u32 opaque);
+int application_local_session_connect_notify (local_session_t * ls);
+int application_local_session_disconnect (u32 app_index,
+ local_session_t * ls);
+int application_local_session_disconnect_w_index (u32 app_index,
+ u32 ls_index);
+void application_local_sessions_del (application_t * app);
+
+always_inline u32
+local_session_id (local_session_t * ll)
+{
+ ASSERT (ll->app_index < (2 << 16) && ll->session_index < (2 << 16));
+ return ((u32) ll->app_index << 16 | (u32) ll->session_index);
+}
+
+always_inline void
+local_session_parse_id (u32 ls_id, u32 * app_index, u32 * session_index)
+{
+ *app_index = ls_id >> 16;
+ *session_index = ls_id & 0xFFF;
+}
+
+always_inline void
+local_session_parse_handle (session_handle_t handle, u32 * server_index,
+ u32 * session_index)
+{
+ u32 bottom;
+ ASSERT ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX);
+ bottom = (handle & 0xFFFFFFFF);
+ local_session_parse_id (bottom, server_index, session_index);
+}
+
+always_inline session_handle_t
+application_local_session_handle (local_session_t * ls)
+{
+ return ((u64) SESSION_LOCAL_HANDLE_PREFIX << 32)
+ | (u64) local_session_id (ls);
+}
+
+always_inline local_session_t *
+application_get_local_listen_session (application_t * app, u32 session_index)
+{
+ return pool_elt_at_index (app->local_listen_sessions, session_index);
+}
+
+always_inline local_session_t *
+application_get_local_listener_w_handle (session_handle_t handle)
+{
+ u32 server_index, session_index;
+ application_t *app;
+ local_session_parse_handle (handle, &server_index, &session_index);
+ app = application_get (server_index);
+ return application_get_local_listen_session (app, session_index);
+}
+
+always_inline u8
+application_local_session_listener_has_transport (local_session_t * ls)
+{
+ transport_proto_t tp;
+ tp = session_type_transport_proto (ls->listener_session_type);
+ return (tp != TRANSPORT_PROTO_NONE);
+}
+
+void send_local_session_disconnect_callback (u32 app_index,
+ local_session_t * ls);
+
+int application_connect (u32 client_index, u32 api_context,
+ session_endpoint_t * sep);
+
+uword unformat_application_proto (unformat_input_t * input, va_list * args);
#endif /* SRC_VNET_SESSION_APPLICATION_H_ */
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