X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fapplication.h;h=e33f2ff797e2b98d0f4e71f318c631e77a7bc669;hp=fd6454f21af0aef472052bf444445032c63e5afc;hb=fa76a76;hpb=e86a8edd3c14fb41ace2a12efd17bc7772bf623f diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h index fd6454f21af..e33f2ff797e 100644 --- a/src/vnet/session/application.h +++ b/src/vnet/session/application.h @@ -16,28 +16,31 @@ #ifndef SRC_VNET_SESSION_APPLICATION_H_ #define SRC_VNET_SESSION_APPLICATION_H_ -#include #include #include #include -typedef enum -{ - APP_SERVER, - APP_CLIENT, - APP_N_TYPES -} application_type_t; + +#define APP_DEBUG 0 + +#if APP_DEBUG > 0 +#define APP_DBG(_fmt, _args...) clib_warning (_fmt, ##_args) +#else +#define APP_DBG(_fmt, _args...) +#endif 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, u64 segment_handle); + + /** Notify server of new segment */ + int (*del_segment_callback) (u32 api_client_index, u64 segment_handle); /** 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 opaque, + int (*session_connected_callback) (u32 app_wrk_index, u32 opaque, stream_session_t * s, u8 code); /** Notify app that session is closing */ @@ -46,43 +49,31 @@ typedef struct _stream_session_cb_vft /** 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 +typedef struct app_worker_ { - /** Index in server pool */ - u32 index; + CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); - /** Flags */ - u32 flags; - - /* - * Binary API interface to external app - */ + /** Worker index in global worker pool*/ + u32 wrk_index; - /** Binary API connection index, ~0 if internal */ - u32 api_client_index; + /** Worker index in app's map pool */ + u32 wrk_map_index; - /** Namespace the application belongs to */ - u32 ns_index; + /** Index of owning app */ + u32 app_index; /** Application listens for events on this svm queue */ - svm_queue_t *event_queue; - - /* - * Callbacks: shoulder-taps for the server/client - */ + svm_msg_q_t *event_queue; - session_cb_vft_t cb_fns; - - /* - * svm 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 */ @@ -96,56 +87,300 @@ typedef struct _application u32 first_segment_manager; u8 first_segment_manager_in_use; + /* + * Local "cut through" connections specific + */ + + /** Segment manager used for incoming "cut through" connects */ + u32 local_segment_manager; + + /** 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; + + /** API index for the worker. Needed for multi-process apps */ + u32 api_client_index; + + u8 app_is_builtin; +} app_worker_t; + +typedef struct app_worker_map_ +{ + u32 wrk_index; +} app_worker_map_t; + +typedef struct app_listener_ +{ + clib_bitmap_t *workers; /**< workers accepting connections */ + u32 accept_rotor; /**< last worker to accept a connection */ + u32 al_index; +} app_listener_t; + +typedef struct application_ +{ + /** App index in app pool */ + u32 app_index; + + /** Flags */ + u32 flags; + + /** Callbacks: shoulder-taps for the server/client */ + session_cb_vft_t cb_fns; + /** Segment manager properties. Shared by all segment managers */ - u32 sm_properties; + segment_manager_properties_t sm_properties; + + /** Pool of mappings that keep track of workers associated to this app */ + app_worker_map_t *worker_maps; + + /** Name registered by builtin apps */ + u8 *name; + + /** Namespace the application belongs to */ + u32 ns_index; u16 proxied_transports; + + /** Pool of listeners for the app */ + app_listener_t *listeners; + + /** Pool of local listeners for app */ + app_listener_t *local_listeners; + + /** Pool of local listen sessions */ + local_session_t *local_listen_sessions; + + /* + * 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; +typedef struct app_main_ +{ + /** + * Pool from which we allocate all applications + */ + application_t *app_pool; + + /** + * Pool of workers associated to apps + */ + app_worker_t *workers; + + /** + * Hash table of apps by api client index + */ + uword *app_by_api_client_index; + + /** + * Hash table of builtin apps by name + */ + uword *app_by_name; +} app_main_t; + +#define foreach_app_init_args \ + _(u32, api_client_index) \ + _(u8 *, name) \ + _(u64 *, options) \ + _(u8 *, namespace_id) \ + _(session_cb_vft_t *, session_cb_vft) \ + _(u32, app_index) \ + +typedef struct app_init_args_ +{ +#define _(_type, _name) _type _name; + foreach_app_init_args +#undef _ +} app_init_args_t; + +typedef struct _vnet_app_worker_add_del_args +{ + u32 app_index; /**< App for which a new worker is requested */ + u32 wrk_map_index; /**< Index to delete or return value if add */ + u32 api_client_index; /**< Binary API client index */ + ssvm_private_t *segment; /**< First segment in segment manager */ + u64 segment_handle; /**< Handle for the segment */ + svm_msg_q_t *evt_q; /**< Worker message queue */ + u8 is_add; /**< Flag set if addition */ +} vnet_app_worker_add_del_args_t; + #define APP_INVALID_INDEX ((u32)~0) -#define APP_DROP_INDEX (((u32)~0) - 1) #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); -void application_del (application_t * app); +app_worker_t *app_worker_alloc (application_t * app); +int app_worker_alloc_and_init (application_t * app, app_worker_t ** wrk); +app_worker_t *app_worker_get (u32 wrk_index); +app_worker_t *app_worker_get_if_valid (u32 wrk_index); +application_t *app_worker_get_app (u32 wrk_index); +void app_worker_free (app_worker_t * app_wrk); +int app_worker_open_session (app_worker_t * app, session_endpoint_t * tep, + u32 api_context); +segment_manager_t *app_worker_get_listen_segment_manager (app_worker_t *, + stream_session_t *); +segment_manager_t *app_worker_get_connect_segment_manager (app_worker_t *); +int app_worker_alloc_connects_segment_manager (app_worker_t * app); +int app_worker_add_segment_notify (u32 app_or_wrk, u64 segment_handle); +u32 app_worker_n_listeners (app_worker_t * app); +stream_session_t *app_worker_first_listener (app_worker_t * app, + u8 fib_proto, + u8 transport_proto); +u8 app_worker_application_is_builtin (app_worker_t * app_wrk); +int app_worker_send_event (app_worker_t * app, stream_session_t * s, u8 evt); +int app_worker_lock_and_send_event (app_worker_t * app, stream_session_t * s, + u8 evt_type); +clib_error_t *vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a); + +int application_start_listen (application_t * app, + session_endpoint_cfg_t * tep, + session_handle_t * handle); +int application_stop_listen (u32 app_index, u32 app_or_wrk, + session_handle_t handle); + +application_t *application_alloc (void); +int application_alloc_and_init (app_init_args_t * args); +void application_free (application_t * app); +void application_detach_process (application_t * app, u32 api_client_index); application_t *application_get (u32 index); application_t *application_get_if_valid (u32 index); application_t *application_lookup (u32 api_client_index); -u32 application_get_index (application_t * app); +application_t *application_lookup_name (const u8 * name); +app_worker_t *application_get_worker (application_t * app, u32 wrk_index); +app_worker_t *application_get_default_worker (application_t * app); +app_worker_t *application_listener_select_worker (stream_session_t * ls, + u8 is_local); -int application_start_listen (application_t * app, - session_endpoint_t * tep, u64 * handle); -int application_stop_listen (application_t * srv, u64 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); -segment_manager_t *application_get_connect_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, u32 fifo_segment_index); 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); - +const u8 *application_name_from_index (u32 app_or_wrk); 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); +u8 application_use_mq_for_ctrl (application_t * app); 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 + */ + +local_session_t *application_local_session_alloc (app_worker_t * app); +void application_local_session_free (app_worker_t * app, + local_session_t * ls); +local_session_t *application_get_local_session (app_worker_t * app, + u32 session_index); +local_session_t *application_get_local_session_from_handle (session_handle_t + handle); +local_session_t + * application_get_local_listen_session_from_handle (session_handle_t lh); +int application_start_local_listen (application_t * server, + session_endpoint_cfg_t * sep, + session_handle_t * handle); +int application_stop_local_listen (u32 app_index, u32 app_or_wrk, + session_handle_t lh); +int application_local_session_connect (app_worker_t * client, + app_worker_t * server, + local_session_t * ls, u32 opaque); +int application_local_session_connect_notify (local_session_t * ls); +int application_local_session_disconnect (u32 app_or_wrk, + local_session_t * ls); +int application_local_session_disconnect_w_index (u32 app_or_wrk, + u32 ls_index); +void app_worker_local_sessions_free (app_worker_t * app); + +always_inline u32 +local_session_id (local_session_t * ls) +{ + ASSERT (ls->session_index < (2 << 16)); + u32 app_or_wrk_index; + + if (ls->session_state == SESSION_STATE_LISTENING) + { + ASSERT (ls->app_index < (2 << 16)); + app_or_wrk_index = ls->app_index; + } + else + { + ASSERT (ls->app_wrk_index < (2 << 16)); + app_or_wrk_index = ls->app_wrk_index; + } + + return ((u32) app_or_wrk_index << 16 | (u32) ls->session_index); +} + +always_inline void +local_session_parse_id (u32 ls_id, u32 * app_or_wrk, u32 * session_index) +{ + *app_or_wrk = ls_id >> 16; + *session_index = ls_id & 0xFF; +} + +always_inline void +local_session_parse_handle (session_handle_t handle, u32 * app_or_wrk_index, + u32 * session_index) +{ + u32 bottom; + ASSERT ((handle >> 32) == SESSION_LOCAL_HANDLE_PREFIX); + bottom = (handle & 0xFFFFFFFF); + local_session_parse_id (bottom, app_or_wrk_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 mq_send_local_session_disconnected_cb (u32 app_or_wrk, + local_session_t * ls); + +uword unformat_application_proto (unformat_input_t * input, va_list * args); + #endif /* SRC_VNET_SESSION_APPLICATION_H_ */ /*