X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fapplication_interface.h;h=5fd218533dc36b25a37569952b23d2ba660b8805;hb=7fb0fe1;hp=2c4975315337c83767ee3cab400860c11011b4ac;hpb=6cf30adc2cd3aa818e5d97cf71ea8b2fc2aaefa7;p=vpp.git diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h index 2c497531533..5fd218533dc 100644 --- a/src/vnet/session/application_interface.h +++ b/src/vnet/session/application_interface.h @@ -21,25 +21,29 @@ #include #include #include - -typedef enum _session_api_proto -{ - SESSION_PROTO_TCP, - SESSION_PROTO_UDP -} session_api_proto_t; +#include typedef struct _vnet_app_attach_args_t { + /** Binary API client index */ u32 api_client_index; + + /** Application name. Used by builtin apps */ + u8 *name; + + /** Application and segment manager options */ u64 *options; + + /** ID of the namespace the app has access to */ + u8 *namespace_id; + + /** Session to application callback functions */ session_cb_vft_t *session_cb_vft; /* * Results */ - u8 *segment_name; - u32 segment_name_length; - u32 segment_size; + ssvm_private_t *segment; u64 app_event_queue_address; u32 app_index; } vnet_app_attach_args_t; @@ -54,11 +58,7 @@ typedef struct _vnet_bind_args_t union { char *uri; - struct - { - transport_endpoint_t tep; - session_api_proto_t proto; - }; + session_endpoint_t sep; }; u32 app_index; @@ -87,62 +87,248 @@ typedef struct _vnet_connect_args union { char *uri; - struct - { - transport_endpoint_t tep; - session_api_proto_t proto; - }; + session_endpoint_extended_t sep; }; u32 app_index; u32 api_context; - /* Used for redirects */ - void *mp; + session_handle_t session_handle; } vnet_connect_args_t; typedef struct _vnet_disconnect_args_t { - u64 handle; + session_handle_t handle; u32 app_index; } vnet_disconnect_args_t; +typedef struct _vnet_application_add_tls_cert_args_t +{ + u32 app_index; + u8 *cert; +} vnet_app_add_tls_cert_args_t; + +typedef struct _vnet_application_add_tls_key_args_t +{ + u32 app_index; + u8 *key; +} vnet_app_add_tls_key_args_t; + /* Application attach options */ typedef enum { - APP_EVT_QUEUE_SIZE, - SESSION_OPTIONS_FLAGS, - SESSION_OPTIONS_SEGMENT_SIZE, - SESSION_OPTIONS_ADD_SEGMENT_SIZE, - SESSION_OPTIONS_RX_FIFO_SIZE, - SESSION_OPTIONS_TX_FIFO_SIZE, - SESSION_OPTIONS_ACCEPT_COOKIE, - SESSION_OPTIONS_N_OPTIONS + APP_OPTIONS_FLAGS, + APP_OPTIONS_EVT_QUEUE_SIZE, + APP_OPTIONS_SEGMENT_SIZE, + APP_OPTIONS_ADD_SEGMENT_SIZE, + APP_OPTIONS_PRIVATE_SEGMENT_COUNT, + APP_OPTIONS_RX_FIFO_SIZE, + APP_OPTIONS_TX_FIFO_SIZE, + APP_OPTIONS_PREALLOC_FIFO_PAIRS, + APP_OPTIONS_NAMESPACE, + APP_OPTIONS_NAMESPACE_SECRET, + APP_OPTIONS_PROXY_TRANSPORT, + APP_OPTIONS_ACCEPT_COOKIE, + APP_OPTIONS_TLS_ENGINE, + APP_OPTIONS_N_OPTIONS } app_attach_options_index_t; -/** Server can handle delegated connect requests from local clients */ -#define SESSION_OPTIONS_FLAGS_USE_FIFO (1<<0) +#define foreach_app_options_flags \ + _(ACCEPT_REDIRECT, "Use FIFO with redirects") \ + _(ADD_SEGMENT, "Add segment and signal app if needed") \ + _(IS_BUILTIN, "Application is builtin") \ + _(IS_PROXY, "Application is proxying") \ + _(USE_GLOBAL_SCOPE, "App can use global session scope") \ + _(USE_LOCAL_SCOPE, "App can use local session scope") -/** Server wants vpp to add segments when out of memory for fifos */ -#define SESSION_OPTIONS_FLAGS_ADD_SEGMENT (1<<1) - -#define VNET_CONNECT_REDIRECTED 123 +typedef enum _app_options +{ +#define _(sym, str) APP_OPTIONS_##sym, + foreach_app_options_flags +#undef _ +} app_options_t; -int vnet_application_attach (vnet_app_attach_args_t * a); -int vnet_application_detach (vnet_app_detach_args_t * a); +typedef enum _app_options_flags +{ +#define _(sym, str) APP_OPTIONS_FLAGS_##sym = 1 << APP_OPTIONS_##sym, + foreach_app_options_flags +#undef _ +} app_options_flags_t; int vnet_bind_uri (vnet_bind_args_t *); int vnet_unbind_uri (vnet_unbind_args_t * a); -int vnet_connect_uri (vnet_connect_args_t * a); +clib_error_t *vnet_connect_uri (vnet_connect_args_t * a); + +clib_error_t *vnet_application_attach (vnet_app_attach_args_t * a); +clib_error_t *vnet_bind (vnet_bind_args_t * a); +clib_error_t *vnet_connect (vnet_connect_args_t * a); +clib_error_t *vnet_unbind (vnet_unbind_args_t * a); +int vnet_application_detach (vnet_app_detach_args_t * a); int vnet_disconnect_session (vnet_disconnect_args_t * a); -int vnet_bind (vnet_bind_args_t * a); -int vnet_connect (vnet_connect_args_t * a); -int vnet_unbind (vnet_unbind_args_t * a); -int vnet_disconnect (vnet_disconnect_args_t * a); +clib_error_t *vnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t * a); +clib_error_t *vnet_app_add_tls_key (vnet_app_add_tls_key_args_t * a); + +extern const char test_srv_crt_rsa[]; +extern const u32 test_srv_crt_rsa_len; +extern const char test_srv_key_rsa[]; +extern const u32 test_srv_key_rsa_len; + +typedef struct app_session_transport_ +{ + ip46_address_t rmt_ip; /**< remote ip */ + ip46_address_t lcl_ip; /**< local ip */ + u16 rmt_port; /**< remote port */ + u16 lcl_port; /**< local port */ + u8 is_ip4; /**< set if uses ip4 networking */ +} app_session_transport_t; -int -api_parse_session_handle (u64 handle, u32 * session_index, - u32 * thread_index); +typedef struct app_session_ +{ + svm_fifo_t *rx_fifo; /**< rx fifo */ + svm_fifo_t *tx_fifo; /**< tx fifo */ + session_type_t session_type; /**< session type */ + volatile u8 session_state; /**< session state */ + u32 session_index; /**< index in owning pool */ + app_session_transport_t transport; /**< transport info */ + svm_queue_t *vpp_evt_q; /**< vpp event queue for session */ + u8 is_dgram; /**< set if it works in dgram mode */ +} app_session_t; + +always_inline int +app_send_dgram_raw (svm_fifo_t * f, app_session_transport_t * at, + svm_queue_t * vpp_evt_q, u8 * data, u32 len, u8 noblock) +{ + u32 max_enqueue, actual_write; + session_dgram_hdr_t hdr; + session_fifo_event_t evt; + int rv; + + max_enqueue = svm_fifo_max_enqueue (f); + if (svm_fifo_max_enqueue (f) <= sizeof (session_dgram_hdr_t)) + return 0; + + max_enqueue -= sizeof (session_dgram_hdr_t); + actual_write = clib_min (len, max_enqueue); + hdr.data_length = actual_write; + hdr.data_offset = 0; + clib_memcpy (&hdr.rmt_ip, &at->rmt_ip, sizeof (ip46_address_t)); + hdr.is_ip4 = at->is_ip4; + hdr.rmt_port = at->rmt_port; + clib_memcpy (&hdr.lcl_ip, &at->lcl_ip, sizeof (ip46_address_t)); + hdr.lcl_port = at->lcl_port; + rv = svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr); + if (rv <= 0) + return 0; + + ASSERT (rv == sizeof (hdr)); + + if ((rv = svm_fifo_enqueue_nowait (f, actual_write, data)) > 0) + { + if (svm_fifo_set_event (f)) + { + evt.fifo = f; + evt.event_type = FIFO_EVENT_APP_TX; + svm_queue_add (vpp_evt_q, (u8 *) & evt, noblock); + } + } + return rv; +} + +always_inline int +app_send_dgram (app_session_t * s, u8 * data, u32 len, u8 noblock) +{ + return app_send_dgram_raw (s->tx_fifo, &s->transport, s->vpp_evt_q, data, + len, noblock); +} + +always_inline int +app_send_stream_raw (svm_fifo_t * f, svm_queue_t * vpp_evt_q, u8 * data, + u32 len, u8 noblock) +{ + session_fifo_event_t evt; + int rv; + + if ((rv = svm_fifo_enqueue_nowait (f, len, data)) > 0) + { + if (svm_fifo_set_event (f)) + { + evt.fifo = f; + evt.event_type = FIFO_EVENT_APP_TX; + svm_queue_add (vpp_evt_q, (u8 *) & evt, noblock); + } + } + return rv; +} + +always_inline int +app_send_stream (app_session_t * s, u8 * data, u32 len, u8 noblock) +{ + return app_send_stream_raw (s->tx_fifo, s->vpp_evt_q, data, len, noblock); +} + +always_inline int +app_send (app_session_t * s, u8 * data, u32 len, u8 noblock) +{ + if (s->is_dgram) + return app_send_dgram (s, data, len, noblock); + return app_send_stream (s, data, len, noblock); +} + +always_inline int +app_recv_dgram_raw (svm_fifo_t * f, u8 * buf, u32 len, + app_session_transport_t * at, u8 clear_evt) +{ + session_dgram_pre_hdr_t ph; + u32 max_deq; + int rv; + + if (clear_evt) + svm_fifo_unset_event (f); + max_deq = svm_fifo_max_dequeue (f); + if (max_deq < sizeof (session_dgram_hdr_t)) + return 0; + + svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph); + ASSERT (ph.data_length >= ph.data_offset); + if (!ph.data_offset) + svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at); + len = clib_min (len, ph.data_length - ph.data_offset); + rv = svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN, len, buf); + ph.data_offset += rv; + if (ph.data_offset == ph.data_length) + svm_fifo_dequeue_drop (f, ph.data_length + SESSION_CONN_HDR_LEN); + else + svm_fifo_overwrite_head (f, (u8 *) & ph, sizeof (ph)); + return rv; +} + +always_inline int +app_recv_dgram (app_session_t * s, u8 * buf, u32 len) +{ + return app_recv_dgram_raw (s->rx_fifo, buf, len, &s->transport, 1); +} + +always_inline int +app_recv_stream_raw (svm_fifo_t * f, u8 * buf, u32 len, u8 clear_evt) +{ + if (clear_evt) + svm_fifo_unset_event (f); + return svm_fifo_dequeue_nowait (f, len, buf); +} + +always_inline int +app_recv_stream (app_session_t * s, u8 * buf, u32 len) +{ + return app_recv_stream_raw (s->rx_fifo, buf, len, 1); +} + +always_inline int +app_recv (app_session_t * s, u8 * data, u32 len) +{ + if (s->is_dgram) + return app_recv_dgram (s, data, len); + return app_recv_stream (s, data, len); +} #endif /* __included_uri_h__ */