#ifndef SRC_VNET_SESSION_APPLICATION_H_
#define SRC_VNET_SESSION_APPLICATION_H_
-#include <vnet/vnet.h>
#include <vnet/session/session.h>
#include <vnet/session/segment_manager.h>
#include <vnet/session/application_namespace.h>
-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 ssvm_private_t * ssvm_seg);
+ 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 */
/** 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 */
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_ */
/*
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