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/*
* 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>
typedef enum
{
APP_SERVER,
APP_CLIENT
} 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 api_client_index,
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,
session_fifo_event_t * ep);
/* 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 connection index, ~0 if internal */
u32 api_client_index;
/* */
u32 api_context;
/** Application listens for events on this svm queue */
unix_shared_memory_queue_t *event_queue;
/** Stream session type */
u8 session_type;
/* Stream server mode: accept or connect */
u8 mode;
u32 session_manager_index;
/*
* Bind/Listen specific
*/
/** Accept cookie, for multiple session flavors ($$$ maybe) */
u32 accept_cookie;
/** Index of the listen session or connect session */
u32 session_index;
/** Session thread index for client connect sessions */
u32 thread_index;
/*
* Callbacks: shoulder-taps for the server/client
*/
session_cb_vft_t cb_fns;
} 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);
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_api_queue_is_full (application_t * app);
#endif /* SRC_VNET_SESSION_APPLICATION_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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