diff options
author | Sachin Saxena <sachin.saxena@freescale.com> | 2018-02-28 20:28:52 +0530 |
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committer | Sachin Saxena <sachin.saxena@nxp.com> | 2018-02-28 20:34:56 +0530 |
commit | 0689fce93ba269c48f83a2f70f971b3976d04c90 (patch) | |
tree | 4cc2908df3598507cc1828ac19d8c43b22450ffa /src/vnet/session/application.h | |
parent | 746b57564deede624261ab8a96c94f562f24d22c (diff) | |
parent | d594711a5d79859a7d0bde83a516f7ab52051d9b (diff) |
Merge branch 'stable/1710' of https://gerrit.fd.io/r/vpp into 17101710
Diffstat (limited to 'src/vnet/session/application.h')
-rw-r--r-- | src/vnet/session/application.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h new file mode 100644 index 00000000..e030c376 --- /dev/null +++ b/src/vnet/session/application.h @@ -0,0 +1,136 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#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> + +typedef enum +{ + APP_SERVER, + 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); + + /** 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, + stream_session_t * s, u8 code); + + /** Notify app that session is closing */ + void (*session_disconnect_callback) (stream_session_t * s); + + /** 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); + + /* Redirect connection to local server */ + int (*redirect_connect_callback) (u32 api_client_index, void *mp); +} session_cb_vft_t; + +typedef struct _application +{ + /** Index in server pool */ + u32 index; + + /** Flags */ + u32 flags; + + /* + * Binary API interface to external app + */ + + /** Binary API connection index, ~0 if internal */ + u32 api_client_index; + + /** Application listens for events on this svm queue */ + unix_shared_memory_queue_t *event_queue; + + /* + * Callbacks: shoulder-taps for the server/client + */ + + session_cb_vft_t cb_fns; + + /* + * svm segment management + */ + u32 connects_seg_manager; + + /** 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; +} application_t; + +#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_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_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_add_segment_notify (u32 app_index, u32 fifo_segment_index); + +#endif /* SRC_VNET_SESSION_APPLICATION_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |