summaryrefslogtreecommitdiffstats
path: root/src/vlib-api.am
blob: 5bbd4599729a45b10a9711a72ba6d0531529f89f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
# Copyright (c) 2015 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.

lib_LTLIBRARIES += libvlibmemory.la libvlibmemoryclient.la

libvlibmemory_la_DEPENDENCIES = libvppinfra.la libsvm.la libvlib.la
libvlibmemory_la_LIBADD = $(libvlibmemory_la_DEPENDENCIES) -lpthread
libvlibmemory_la_SOURCES =			\
	vlibapi/api.h				\
        vlibapi/api_helper_macros.h		\
	vlibapi/api_shared.c			\
	vlibapi/node_serialize.c		\
	vlibmemory/api.h			\
	vlibmemory/memclnt.api			\
	vlibmemory/memory_shared.c		\
	vlibmemory/memory_vlib.c		\
	vlibmemory/socksvr_vlib.c		\
	vlibmemory/unix_shared_memory_queue.c	\
	vlibmemory/unix_shared_memory_queue.h	\
	vlibmemory/vl_memory_api_h.h		\
	vlibmemory/vl_memory_msg_enum.h

nobase_include_HEADERS += vlibapi/api.h		\
	vlibapi/api_common.h			\
	vlibapi/api_helper_macros.h		\
	vlibapi/vat_helper_macros.h

libvlibmemoryclient_la_DEPENDENCIES = libvppinfra.la libsvm.la
libvlibmemoryclient_la_LIBADD = $(libvlibmemoryclient_la_DEPENDENCIES) -lpthread
libvlibmemoryclient_la_SOURCES = 		\
        vlibapi/api_helper_macros.h		\
	vlibapi/api_shared.c			\
	vlibapi/node_unserialize.c		\
	vlibmemory/api.h			\
	vlibmemory/memclnt.api			\
	vlibmemory/memory_client.c		\
	vlibmemory/memory_shared.c		\
	vlibmemory/socket_client.c		\
	vlibmemory/unix_shared_memory_queue.c	\
	vlibmemory/unix_shared_memory_queue.h	\
	vlibmemory/vl_memory_api_h.h		\
	vlibmemory/vl_memory_msg_enum.h

nobase_include_HEADERS +=			\
	vlibmemory/api.h			\
	vlibmemory/api_common.h			\
	vlibmemory/vl_memory_api_h.h		\
	vlibmemory/vl_memory_msg_enum.h		\
	vlibmemory/unix_shared_memory_queue.h 	\
	vlibmemory/memclnt.api.h

BUILT_SOURCES +=				\
	vlibmemory/memclnt.api.h		\
	vlibmemory/memclnt.api.json

noinst_PROGRAMS += sock_test

sock_test_SOURCES = vlibsocket/sock_test.c

API_FILES += vlibmemory/memclnt.api 

# vi:syntax=automake
{ color: #75715e } /* Comment.Hashbang */ .highlight .cm { color: #75715e } /* Comment.Multiline */ .highlight .cp { color: #75715e } /* Comment.Preproc */ .highlight .cpf { color: #75715e } /* Comment.PreprocFile */ .highlight .c1 { color: #75715e } /* Comment.Single */ .highlight .cs { color: #75715e } /* Comment.Special */ .highlight .gd { color: #f92672 } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gi { color: #a6e22e } /* Generic.Inserted */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #75715e } /* Generic.Subheading */ .highlight .kc { color: #66d9ef } /* Keyword.Constant */ .highlight .kd { color: #66d9ef } /* Keyword.Declaration */ .highlight .kn { color: #f92672 } /* Keyword.Namespace */ .highlight .kp { color: #66d9ef } /* Keyword.Pseudo */ .highlight .kr { color: #66d9ef } /* Keyword.Reserved */ .highlight .kt { color: #66d9ef } /* Keyword.Type */ .highlight .ld { color: #e6db74 } /* Literal.Date */ .highlight .m { color: #ae81ff } /* Literal.Number */ .highlight .s { color: #e6db74 } /* Literal.String */ .highlight .na { color: #a6e22e } /* Name.Attribute */ .highlight .nb { color: #f8f8f2 } /* Name.Builtin */ .highlight .nc { color: #a6e22e } /* Name.Class */ .highlight .no { color: #66d9ef } /* Name.Constant */ .highlight .nd { color: #a6e22e } /* Name.Decorator */ .highlight .ni { color: #f8f8f2 } /* Name.Entity */ .highlight .ne { color: #a6e22e } /* Name.Exception */ .highlight .nf { color: #a6e22e } /* Name.Function */ .highlight .nl { color: #f8f8f2 } /* Name.Label */ .highlight .nn { color: #f8f8f2 } /* Name.Namespace */ .highlight .nx { color: #a6e22e } /* Name.Other */ .highlight .py { color: #f8f8f2 } /* Name.Property */ .highlight .nt { color: #f92672 } /* Name.Tag */ .highlight .nv { color: #f8f8f2 } /* Name.Variable */ .highlight .ow { color: #f92672 } /* Operator.Word */ .highlight .w { color: #f8f8f2 } /* Text.Whitespace */ .highlight .mb { color: #ae81ff } /* Literal.Number.Bin */ .highlight .mf { color: #ae81ff } /* Literal.Number.Float */ .highlight .mh { color: #ae81ff } /* Literal.Number.Hex */ .highlight .mi { color: #ae81ff } /* Literal.Number.Integer */ .highlight .mo { color: #ae81ff } /* Literal.Number.Oct */ .highlight .sa { color: #e6db74 } /* Literal.String.Affix */ .highlight .sb { color: #e6db74 } /* Literal.String.Backtick */ .highlight .sc { color: #e6db74 } /* Literal.String.Char */ .highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */ .highlight .sd { color: #e6db74 } /* Literal.String.Doc */ .highlight .s2 { color: #e6db74 } /* Literal.String.Double */ .highlight .se { color: #ae81ff } /* Literal.String.Escape */ .highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */ .highlight .si { color: #e6db74 } /* Literal.String.Interpol */ .highlight .sx { color: #e6db74 } /* Literal.String.Other */ .highlight .sr { color: #e6db74 } /* Literal.String.Regex */ .highlight .s1 { color: #e6db74 } /* Literal.String.Single */ .highlight .ss { color: #e6db74 } /* Literal.String.Symbol */ .highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #a6e22e } /* Name.Function.Magic */ .highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */ .highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */ .highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */ .highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */ .highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */ } @media (prefers-color-scheme: light) { .highlight .hll { background-color: #ffffcc } .highlight .c { color: #888888 } /* Comment */ .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */ .highlight .k { color: #008800; font-weight: bold } /* Keyword */ .highlight .ch { color: #888888 } /* Comment.Hashbang */ .highlight .cm { color: #888888 } /* Comment.Multiline */ .highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */ .highlight .cpf { color: #888888 } /* Comment.PreprocFile */ .highlight .c1 { color: #888888 } /* Comment.Single */ .highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ }
/*
 * Copyright (c) 2017-2019 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/session/application_interface.h>
#include <vnet/session/application_namespace.h>
#include <vnet/session/session_types.h>
#include <vnet/session/segment_manager.h>

#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 app_wrk_postponed_msg_
{
  u32 len;
  u8 event_type;
  u8 ring;
  u8 is_sapi;
  int fd;
  u8 data[SESSION_CTRL_MSG_TX_MAX_SIZE];
} app_wrk_postponed_msg_t;

typedef struct app_worker_
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);

  /** Worker index in global worker pool*/
  u32 wrk_index;

  /** Worker index in app's map pool */
  u32 wrk_map_index;

  /** Index of owning app */
  u32 app_index;

  /** Application listens for events on this svm queue */
  svm_msg_q_t *event_queue;

  /**
   * Segment manager used for outgoing connects issued by the app. By
   * convention this is the first segment manager allocated by the worker
   * so it's also the one that holds the first segment with the app's
   * message queue in it.
   */
  u32 connects_seg_manager;

  /** Lookup tables for listeners. Value is segment manager index */
  uword *listeners_table;

  /** API index for the worker. Needed for multi-process apps */
  u32 api_client_index;

  /** Set if mq is congested */
  u8 mq_congested;

  u8 app_is_builtin;

  /** Pool of half-open session handles. Tracked in case worker detaches */
  session_handle_t *half_open_table;

  /** Protects detached seg managers */
  clib_spinlock_t detached_seg_managers_lock;

  /** Vector of detached listener segment managers */
  u32 *detached_seg_managers;

  /** Fifo of messages postponed because of mq congestion */
  app_wrk_postponed_msg_t *postponed_mq_msgs;

  /** Lock to add/sub message from ref @postponed_mq_msgs */
  clib_spinlock_t postponed_mq_msgs_lock;
} 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 index in app pool */
  u32 app_index;		/**< owning app index */
  u32 local_index;		/**< local listening session index */
  u32 session_index;		/**< global listening session index */
  session_handle_t ls_handle;	/**< session handle of the local or global
				     listening session that also identifies
				     the app listener */
} app_listener_t;

typedef enum app_rx_mq_flags_
{
  APP_RX_MQ_F_PENDING = 1 << 0,
  APP_RX_MQ_F_POSTPONED = 1 << 1,
} app_rx_mq_flags_t;

typedef struct app_rx_mq_elt_
{
  struct app_rx_mq_elt_ *next;
  struct app_rx_mq_elt_ *prev;
  svm_msg_q_t *mq;
  uword file_index;
  u32 app_index;
  u8 flags;
} app_rx_mq_elt_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 */
  segment_manager_props_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;

  /** Preferred tls engine */
  u8 tls_engine;

  /** quic initialization vector */
  char quic_iv[17];
  u8 quic_iv_set;

  /** Segment where rx mqs were allocated */
  fifo_segment_t rx_mqs_segment;

  /**
   * Fixed vector of rx mqs that can be a part of pending_rx_mqs
   * linked list maintained by the app sublayer for each worker
   */
  app_rx_mq_elt_t *rx_mqs;
} application_t;

typedef struct app_rx_mq_handle_
{
  union
  {
    struct
    {
      u32 app_index;
      u32 thread_index;
    };
    u64 as_u64;
  };
} __attribute__ ((aligned (sizeof (u64)))) app_rx_mq_handle_t;

/**
 * App sublayer per vpp worker state
 */
typedef struct asl_wrk_
{
  /** Linked list of mqs with pending messages */
  app_rx_mq_elt_t *pending_rx_mqs;
} appsl_wrk_t;

typedef struct app_main_
{
  /**
   * Pool from which we allocate all applications
   */
  application_t *app_pool;

  /**
   * 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;

  /**
   * Pool from which we allocate certificates (key, cert)
   */
  app_cert_key_pair_t *cert_key_pair_store;

  /*
   * Last registered crypto engine type
   */
  crypto_engine_type_t last_crypto_engine;

  /**
   * App sublayer per-worker state
   */
  appsl_wrk_t *wrk;
} app_main_t;

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_NS_INVALID_INDEX ((u32)~0)
#define APP_INVALID_SEGMENT_MANAGER_INDEX ((u32) ~0)

app_listener_t *app_listener_get (application_t * app, u32 al_index);
int app_listener_alloc_and_init (application_t * app,
				 session_endpoint_cfg_t * sep,
				 app_listener_t ** listener);
void app_listener_cleanup (app_listener_t * app_listener);
session_handle_t app_listener_handle (app_listener_t * app_listener);
app_listener_t *app_listener_lookup (application_t * app,
				     session_endpoint_cfg_t * sep);

/**
 * Get app listener handle for listening session
 *
 * For a given listening session, this can return either the session
 * handle of the app listener associated to the listening session or,
 * if no such app listener exists, the session's handle
 *
 * @param ls		listening session
 * @return		app listener or listening session handle
 */
session_handle_t app_listen_session_handle (session_t * ls);
/**
 * Get app listener for listener session handle
 *
 * Should only be called on handles that have an app listener, i.e.,
 * were obtained at the end of a @ref vnet_listen call.
 *
 * @param handle	handle of the app listener. This is the handle of
 * 			either the global or local listener
 * @return		pointer to app listener or 0
 */
app_listener_t *app_listener_get_w_handle (session_handle_t handle);
app_listener_t *app_listener_get_w_session (session_t * ls);
session_t *app_listener_get_session (app_listener_t * al);
session_t *app_listener_get_local_session (app_listener_t * al);

application_t *application_get (u32 index);
application_t *application_get_if_valid (u32 index);
application_t *application_lookup (u32 api_client_index);
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 (session_t * ls);
int application_change_listener_owner (session_t * s, app_worker_t * app_wrk);
int application_is_proxy (application_t * app);
int application_is_builtin (application_t * app);
int application_is_builtin_proxy (application_t * app);
u32 application_session_table (application_t * app, u8 fib_proto);
u32 application_local_session_table (application_t * app);
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);
void application_setup_proxy (application_t * app);
void application_remove_proxy (application_t * app);
void application_namespace_cleanup (app_namespace_t *app_ns);

segment_manager_props_t *application_get_segment_manager_properties (u32
								     app_index);

segment_manager_props_t
  * application_segment_manager_properties (application_t * app);

svm_msg_q_t *application_rx_mq_get (application_t *app, u32 mq_index);
u8 application_use_private_rx_mqs (void);
fifo_segment_t *application_get_rx_mqs_segment (application_t *app);
void application_enable_rx_mqs_nodes (u8 is_en);

/*
 * App worker
 */

app_worker_t *app_worker_alloc (application_t * app);
int application_alloc_worker_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);
int app_worker_own_session (app_worker_t * app_wrk, session_t * s);
void app_worker_free (app_worker_t * app_wrk);
int app_worker_connect_session (app_worker_t *app, session_endpoint_cfg_t *sep,
				session_handle_t *rsh);
int app_worker_start_listen (app_worker_t * app_wrk, app_listener_t * lstnr);
int app_worker_stop_listen (app_worker_t * app_wrk, app_listener_t * al);
int app_worker_init_accepted (session_t * s);
int app_worker_accept_notify (app_worker_t * app_wrk, session_t * s);
int app_worker_init_connected (app_worker_t * app_wrk, session_t * s);
int app_worker_connect_notify (app_worker_t * app_wrk, session_t * s,
			       session_error_t err, u32 opaque);
int app_worker_add_half_open (app_worker_t *app_wrk, session_handle_t sh);
int app_worker_del_half_open (app_worker_t *app_wrk, session_t *s);
int app_worker_close_notify (app_worker_t * app_wrk, session_t * s);
int app_worker_transport_closed_notify (app_worker_t * app_wrk,
					session_t * s);
int app_worker_reset_notify (app_worker_t * app_wrk, session_t * s);
int app_worker_cleanup_notify (app_worker_t * app_wrk, session_t * s,
			       session_cleanup_ntf_t ntf);
int app_worker_migrate_notify (app_worker_t * app_wrk, session_t * s,
			       session_handle_t new_sh);
int app_worker_builtin_rx (app_worker_t * app_wrk, session_t * s);
int app_worker_builtin_tx (app_worker_t * app_wrk, session_t * s);
int app_worker_session_fifo_tuning (app_worker_t * app_wrk, session_t * s,
				    svm_fifo_t * f,
				    session_ft_action_t act, u32 len);
segment_manager_t *app_worker_get_listen_segment_manager (app_worker_t *,
							  session_t *);
segment_manager_t *app_worker_get_connect_segment_manager (app_worker_t *);
int app_worker_add_segment_notify (app_worker_t * app_wrk,
				   u64 segment_handle);
int app_worker_del_segment_notify (app_worker_t * app_wrk,
				   u64 segment_handle);
u32 app_worker_n_listeners (app_worker_t * app);
session_t *app_worker_first_listener (app_worker_t * app,
				      u8 fib_proto, u8 transport_proto);
void app_wrk_send_ctrl_evt_fd (app_worker_t *app_wrk, u8 evt_type, void *msg,
			       u32 msg_len, int fd);
void app_wrk_send_ctrl_evt (app_worker_t *app_wrk, u8 evt_type, void *msg,
			    u32 msg_len);
int app_worker_send_event (app_worker_t * app, session_t * s, u8 evt);
int app_worker_lock_and_send_event (app_worker_t * app, session_t * s,
				    u8 evt_type);
session_t *app_worker_proxy_listener (app_worker_t * app, u8 fib_proto,
				      u8 transport_proto);
void app_worker_del_detached_sm (app_worker_t * app_wrk, u32 sm_index);
u8 *format_app_worker (u8 * s, va_list * args);
u8 *format_app_worker_listener (u8 * s, va_list * args);
u8 *format_crypto_engine (u8 * s, va_list * args);
u8 *format_crypto_context (u8 * s, va_list * args);
void app_worker_format_connects (app_worker_t * app_wrk, int verbose);
int vnet_app_worker_add_del (vnet_app_worker_add_del_args_t * a);

uword unformat_application_proto (unformat_input_t * input, va_list * args);

app_cert_key_pair_t *app_cert_key_pair_get (u32 index);
app_cert_key_pair_t *app_cert_key_pair_get_if_valid (u32 index);
app_cert_key_pair_t *app_cert_key_pair_get_default ();

/* Needed while we support both bapi and mq ctrl messages */
int mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
			      session_handle_t handle, int rv);
int mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
				  session_t * s, session_error_t err);
void mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
			     u32 context, int rv);
void sapi_socket_close_w_handle (u32 api_handle);

crypto_engine_type_t app_crypto_engine_type_add (void);
u8 app_crypto_engine_n_types (void);

#endif /* SRC_VNET_SESSION_APPLICATION_H_ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */