X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fapplication.h;h=4938bef08bddbbeca3b5a113e9a1300cc2fcf68c;hb=f8f516a8b0ccab2f5d9796f90419bf2661c750af;hp=027d6967fd788b75dd31a45dd1e4d0aba6b3c7d2;hpb=68b0fb0c620c7451ef1a6380c43c39de6614db51;p=vpp.git diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h index 027d6967fd7..4938bef08bd 100644 --- a/src/vnet/session/application.h +++ b/src/vnet/session/application.h @@ -18,24 +18,29 @@ #include #include - +#include +#include typedef enum { APP_SERVER, - APP_CLIENT + APP_CLIENT, + APP_N_TYPES } application_type_t; 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 api_client_index, + /** Connection request callback */ + int (*session_connected_callback) (u32 app_index, u32 opaque, stream_session_t * s, u8 code); /** Notify app that session is closing */ @@ -44,11 +49,9 @@ 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 */ + /** Direct RX callback, for built-in servers */ int (*builtin_server_rx_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 @@ -59,56 +62,179 @@ typedef struct _application /** Flags */ u32 flags; + /* + * Binary API interface to external app + */ + /** Binary API connection index, ~0 if internal */ u32 api_client_index; - /* */ - u32 api_context; + /** Namespace the application belongs to */ + u32 ns_index; /** Application listens for events on this svm queue */ - unix_shared_memory_queue_t *event_queue; - - /** Stream session type */ - u8 session_type; + svm_queue_t *event_queue; - /* Stream server mode: accept or connect */ - u8 mode; + /* + * Callbacks: shoulder-taps for the server/client + */ - u32 session_manager_index; + session_cb_vft_t cb_fns; /* - * Bind/Listen specific + * ssvm (fifo) segment management */ + /** Segment manager used for outgoing connects issued by the app */ + u32 connects_seg_manager; - /** Accept cookie, for multiple session flavors ($$$ maybe) */ - u32 accept_cookie; + /** 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; - /** Index of the listen session or connect session */ - u32 session_index; + /** Segment manager properties. Shared by all segment managers */ + segment_manager_properties_t sm_properties; - /** Session thread index for client connect sessions */ - u32 thread_index; + u16 proxied_transports; /* - * Callbacks: shoulder-taps for the server/client + * Local "cut through" connections specific */ - session_cb_vft_t cb_fns; + + /** 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; } application_t; -application_t *application_new (application_type_t type, session_type_t sst, - u32 api_client_index, u32 flags, - session_cb_vft_t * cb_fns); +#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); 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); u32 application_get_index (application_t * app); -int -application_server_init (application_t * server, u32 segment_size, - u32 add_segment_size, u32 rx_fifo_size, - u32 tx_fifo_size, u8 ** segment_name); +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 * + ls); +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, 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); +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_TABLE_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_TABLE_PREFIX << 32) | 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 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); +} + + #endif /* SRC_VNET_SESSION_APPLICATION_H_ */ /*