2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef SRC_VNET_SESSION_APPLICATION_H_
17 #define SRC_VNET_SESSION_APPLICATION_H_
19 #include <vnet/vnet.h>
20 #include <vnet/session/session.h>
21 #include <vnet/session/segment_manager.h>
30 typedef struct _stream_session_cb_vft
32 /** Notify server of new segment */
33 int (*add_segment_callback) (u32 api_client_index, const u8 * seg_name,
36 /** Notify server of newly accepted session */
37 int (*session_accept_callback) (stream_session_t * new_session);
39 /* Connection request callback */
40 int (*session_connected_callback) (u32 app_index, u32 api_context,
41 stream_session_t * s, u8 code);
43 /** Notify app that session is closing */
44 void (*session_disconnect_callback) (stream_session_t * s);
46 /** Notify app that session was reset */
47 void (*session_reset_callback) (stream_session_t * s);
49 /* Direct RX callback, for built-in servers */
50 int (*builtin_server_rx_callback) (stream_session_t * session);
52 /* Redirect connection to local server */
53 int (*redirect_connect_callback) (u32 api_client_index, void *mp);
56 typedef struct _application
58 /** Index in server pool */
64 /* Stream server mode: accept or connect
68 /** Index of the listen session or connect session
72 /** Session thread index for client connect sessions
77 * Binary API interface to external app
80 /** Binary API connection index, ~0 if internal */
83 /** Application listens for events on this svm queue */
84 unix_shared_memory_queue_t *event_queue;
87 * Callbacks: shoulder-taps for the server/client
90 session_cb_vft_t cb_fns;
93 * svm segment management
95 u32 connects_seg_manager;
97 /* Lookup tables for listeners. Value is segment manager index */
98 uword *listeners_table;
100 u32 first_segment_manager;
102 /** Segment manager properties. Shared by all segment managers */
103 segment_manager_properties_t sm_properties;
106 application_t *application_new ();
108 application_init (application_t * app, u32 api_client_index, u64 * options,
109 session_cb_vft_t * cb_fns);
110 void application_del (application_t * app);
111 application_t *application_get (u32 index);
112 application_t *application_get_if_valid (u32 index);
113 application_t *application_lookup (u32 api_client_index);
114 u32 application_get_index (application_t * app);
117 application_start_listen (application_t * app, session_type_t session_type,
118 transport_endpoint_t * tep, u64 * handle);
119 int application_stop_listen (application_t * srv, u64 handle);
121 application_open_session (application_t * app, session_type_t sst,
122 transport_endpoint_t * tep, u32 api_context);
123 int application_api_queue_is_full (application_t * app);
125 segment_manager_t *application_get_listen_segment_manager (application_t *
129 segment_manager_t *application_get_connect_segment_manager (application_t *
132 #endif /* SRC_VNET_SESSION_APPLICATION_H_ */
135 * fd.io coding-style-patch-verification: ON
138 * eval: (c-set-style "gnu")