FD.io VPP  v20.05.1-5-g09f167997
Vector Packet Processing
application_interface.h File Reference
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Data Structures

struct  certificate_
 
struct  session_cb_vft_
 
struct  crypto_ctx_
 
struct  app_session_transport_
 
struct  app_session_t
 
struct  session_listen_msg_
 
struct  session_listen_uri_msg_
 
struct  session_bound_msg_
 
struct  session_unlisten_msg_
 
struct  session_unlisten_reply_msg_
 
struct  session_accepted_msg_
 
struct  session_accepted_reply_msg_
 
struct  session_connect_msg_
 
struct  session_connect_uri_msg_
 
struct  session_connected_msg_
 
struct  session_disconnect_msg_
 
struct  session_disconnected_msg_
 
struct  session_disconnected_reply_msg_
 
struct  session_reset_msg_
 
struct  session_reset_reply_msg_
 
struct  session_req_worker_update_msg_
 
struct  session_worker_update_msg_
 
struct  session_worker_update_reply_msg_
 
struct  session_app_detach_msg_
 
struct  app_map_another_segment_msg_
 
struct  app_unmap_segment_msg_
 
struct  session_migrate_msg_
 
struct  session_cleanup_msg_
 
struct  app_session_event_
 

Macros

#define foreach_app_init_args
 
#define foreach_app_options_flags
 
#define foreach_fd_type
 
#define foreach_app_session_field
 flag for dgram mode More...
 

Typedefs

typedef struct certificate_ app_cert_key_pair_t
 
typedef struct session_cb_vft_ session_cb_vft_t
 
typedef struct _vnet_app_attach_args_t vnet_app_attach_args_t
 
typedef struct _vnet_app_detach_args_t vnet_app_detach_args_t
 
typedef struct _vnet_bind_args_t vnet_listen_args_t
 
typedef struct _vnet_unlisten_args_t vnet_unlisten_args_t
 
typedef struct _vnet_connect_args vnet_connect_args_t
 
typedef struct _vnet_disconnect_args_t vnet_disconnect_args_t
 
typedef struct _vnet_application_add_tls_cert_args_t vnet_app_add_tls_cert_args_t
 
typedef struct _vnet_application_add_tls_key_args_t vnet_app_add_tls_key_args_t
 
typedef enum crypto_engine_type_ crypto_engine_type_t
 
typedef struct _vnet_app_add_cert_key_pair_args_ vnet_app_add_cert_key_pair_args_t
 
typedef struct crypto_ctx_ crypto_context_t
 
typedef enum _app_options app_options_t
 
typedef enum _app_options_flags app_options_flags_t
 
typedef enum session_fd_type_ session_fd_type_t
 
typedef enum session_fd_flag_ session_fd_flag_t
 
typedef struct app_session_transport_ app_session_transport_t
 
typedef struct session_listen_msg_ session_listen_msg_t
 
typedef struct session_listen_uri_msg_ session_listen_uri_msg_t
 
typedef struct session_bound_msg_ session_bound_msg_t
 
typedef struct session_unlisten_msg_ session_unlisten_msg_t
 
typedef struct session_unlisten_reply_msg_ session_unlisten_reply_msg_t
 
typedef struct session_accepted_msg_ session_accepted_msg_t
 
typedef struct session_accepted_reply_msg_ session_accepted_reply_msg_t
 
typedef struct session_connect_msg_ session_connect_msg_t
 
typedef struct session_connect_uri_msg_ session_connect_uri_msg_t
 
typedef struct session_connected_msg_ session_connected_msg_t
 
typedef struct session_disconnect_msg_ session_disconnect_msg_t
 
typedef struct session_disconnected_msg_ session_disconnected_msg_t
 
typedef struct session_disconnected_reply_msg_ session_disconnected_reply_msg_t
 
typedef struct session_reset_msg_ session_reset_msg_t
 
typedef struct session_reset_reply_msg_ session_reset_reply_msg_t
 
typedef struct session_req_worker_update_msg_ session_req_worker_update_msg_t
 
typedef struct session_worker_update_msg_ session_worker_update_msg_t
 
typedef struct session_worker_update_reply_msg_ session_worker_update_reply_msg_t
 
typedef struct session_app_detach_msg_ session_app_detach_msg_t
 
typedef struct app_map_another_segment_msg_ session_app_add_segment_msg_t
 
typedef struct app_unmap_segment_msg_ session_app_del_segment_msg_t
 
typedef struct session_migrate_msg_ session_migrated_msg_t
 
typedef struct session_cleanup_msg_ session_cleanup_msg_t
 
typedef struct app_session_event_ app_session_evt_t
 

Enumerations

enum  crypto_engine_type_ {
  CRYPTO_ENGINE_NONE, CRYPTO_ENGINE_OPENSSL, CRYPTO_ENGINE_MBEDTLS, CRYPTO_ENGINE_VPP,
  CRYPTO_ENGINE_PICOTLS, CRYPTO_ENGINE_LAST = CRYPTO_ENGINE_PICOTLS
}
 
enum  app_attach_options_index_t {
  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_PREALLOC_FIFO_HDRS, APP_OPTIONS_NAMESPACE, APP_OPTIONS_NAMESPACE_SECRET, APP_OPTIONS_PROXY_TRANSPORT,
  APP_OPTIONS_ACCEPT_COOKIE, APP_OPTIONS_TLS_ENGINE, APP_OPTIONS_MAX_FIFO_SIZE, APP_OPTIONS_HIGH_WATERMARK,
  APP_OPTIONS_LOW_WATERMARK, APP_OPTIONS_PCT_FIRST_ALLOC, APP_OPTIONS_N_OPTIONS
}
 
enum  session_fd_type_ { SESSION_N_FD_TYPE }
 
enum  session_fd_flag_ { foreach_fd_type }
 

Functions

int parse_uri (char *uri, session_endpoint_cfg_t *sep)
 
int vnet_bind_uri (vnet_listen_args_t *)
 
int vnet_unbind_uri (vnet_unlisten_args_t *a)
 
int vnet_connect_uri (vnet_connect_args_t *a)
 
int vnet_application_attach (vnet_app_attach_args_t *a)
 Attach application to vpp. More...
 
int vnet_application_detach (vnet_app_detach_args_t *a)
 Detach application from vpp. More...
 
int vnet_listen (vnet_listen_args_t *a)
 
int vnet_connect (vnet_connect_args_t *a)
 
int vnet_unlisten (vnet_unlisten_args_t *a)
 
int vnet_disconnect_session (vnet_disconnect_args_t *a)
 
clib_error_tvnet_app_add_tls_cert (vnet_app_add_tls_cert_args_t *a)
 
clib_error_tvnet_app_add_tls_key (vnet_app_add_tls_key_args_t *a)
 
int vnet_app_add_cert_key_pair (vnet_app_add_cert_key_pair_args_t *a)
 
int vnet_app_del_cert_key_pair (u32 index)
 
int vnet_app_add_cert_key_interest (u32 index, u32 app_index)
 Ask for app cb on pair deletion. More...
 
 STATIC_ASSERT (sizeof(session_listen_msg_t)<=SESSION_CTRL_MSG_MAX_SIZE, "msg too large")
 
 STATIC_ASSERT (sizeof(session_listen_uri_msg_t)<=SESSION_CTRL_MSG_MAX_SIZE, "msg too large")
 
 STATIC_ASSERT (sizeof(session_connect_msg_t)<=SESSION_CTRL_MSG_MAX_SIZE, "msg too large")
 
 STATIC_ASSERT (sizeof(session_connect_uri_msg_t)<=SESSION_CTRL_MSG_MAX_SIZE, "msg too large")
 
static void app_alloc_ctrl_evt_to_vpp (svm_msg_q_t *mq, app_session_evt_t *app_evt, u8 evt_type)
 
static void app_send_ctrl_evt_to_vpp (svm_msg_q_t *mq, app_session_evt_t *app_evt)
 
static int app_send_io_evt_to_vpp (svm_msg_q_t *mq, u32 session_index, u8 evt_type, u8 noblock)
 Send fifo io event to vpp worker thread. More...
 
static int app_send_dgram_raw (svm_fifo_t *f, app_session_transport_t *at, svm_msg_q_t *vpp_evt_q, u8 *data, u32 len, u8 evt_type, u8 do_evt, u8 noblock)
 
static int app_send_dgram (app_session_t *s, u8 *data, u32 len, u8 noblock)
 
static int app_send_stream_raw (svm_fifo_t *f, svm_msg_q_t *vpp_evt_q, u8 *data, u32 len, u8 evt_type, u8 do_evt, u8 noblock)
 
static int app_send_stream (app_session_t *s, u8 *data, u32 len, u8 noblock)
 
static int app_send (app_session_t *s, u8 *data, u32 len, u8 noblock)
 
static int app_recv_dgram_raw (svm_fifo_t *f, u8 *buf, u32 len, app_session_transport_t *at, u8 clear_evt, u8 peek)
 
static int app_recv_dgram (app_session_t *s, u8 *buf, u32 len)
 
static int app_recv_stream_raw (svm_fifo_t *f, u8 *buf, u32 len, u8 clear_evt, u8 peek)
 
static int app_recv_stream (app_session_t *s, u8 *buf, u32 len)
 
static int app_recv (app_session_t *s, u8 *data, u32 len)
 
static u8format_session_error (u8 *s, va_list *args)
 

Variables

static char * session_error_str []
 

Macro Definition Documentation

◆ foreach_app_init_args

#define foreach_app_init_args
Value:
_(u32, api_client_index) \
_(u8 *, name) \
_(u64 *, options) \
_(u8 *, namespace_id) \
_(session_cb_vft_t *, session_cb_vft) \
_(u32, app_index) \
unsigned long u64
Definition: types.h:89
unsigned char u8
Definition: types.h:56
unsigned int u32
Definition: types.h:88
string name[64]
Definition: ip.api:44
static struct option options[]
Definition: main.c:52

Definition at line 77 of file application_interface.h.

◆ foreach_app_options_flags

foreach_app_options_flags
Value:
_(ACCEPT_REDIRECT, "Use FIFO with redirects") \
_(ADD_SEGMENT, "Add segment and signal app if needed") \
_(IS_BUILTIN, "Application is builtin") \
_(IS_TRANSPORT_APP, "Application is a transport proto") \
_(IS_PROXY, "Application is proxying") \
_(USE_GLOBAL_SCOPE, "App can use global session scope") \
_(USE_LOCAL_SCOPE, "App can use local session scope") \
_(EVT_MQ_USE_EVENTFD, "Use eventfds for signaling") \

Definition at line 216 of file application_interface.h.

◆ foreach_app_session_field

#define foreach_app_session_field
Value:
_(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_msg_q_t, *vpp_evt_q) /**< vpp event queue */ \
_(u8, is_dgram)
unsigned char u8
Definition: types.h:56
u8 session_type_t
unsigned int u32
Definition: types.h:88
struct _svm_fifo svm_fifo_t

flag for dgram mode

Definition at line 289 of file application_interface.h.

◆ foreach_fd_type

#define foreach_fd_type
Value:
_(VPP_MQ_SEGMENT, "Fd for vpp's event mq segment") \
_(MEMFD_SEGMENT, "Fd for memfd segment") \
_(MQ_EVENTFD, "Event fd used by message queue") \
_(VPP_MQ_EVENTFD, "Event fd used by vpp's message queue") \

Definition at line 240 of file application_interface.h.

Typedef Documentation

◆ app_cert_key_pair_t

◆ app_options_flags_t

typedef enum _app_options_flags app_options_flags_t

◆ app_options_t

typedef enum _app_options app_options_t

◆ app_session_evt_t

◆ app_session_transport_t

◆ crypto_context_t

typedef struct crypto_ctx_ crypto_context_t

◆ crypto_engine_type_t

◆ session_accepted_msg_t

◆ session_accepted_reply_msg_t

◆ session_app_add_segment_msg_t

◆ session_app_del_segment_msg_t

◆ session_app_detach_msg_t

◆ session_bound_msg_t

◆ session_cb_vft_t

◆ session_cleanup_msg_t

◆ session_connect_msg_t

◆ session_connect_uri_msg_t

◆ session_connected_msg_t

◆ session_disconnect_msg_t

◆ session_disconnected_msg_t

◆ session_disconnected_reply_msg_t

◆ session_fd_flag_t

◆ session_fd_type_t

◆ session_listen_msg_t

◆ session_listen_uri_msg_t

◆ session_migrated_msg_t

◆ session_req_worker_update_msg_t

◆ session_reset_msg_t

◆ session_reset_reply_msg_t

◆ session_unlisten_msg_t

◆ session_unlisten_reply_msg_t

◆ session_worker_update_msg_t

◆ session_worker_update_reply_msg_t

◆ vnet_app_add_cert_key_pair_args_t

typedef struct _vnet_app_add_cert_key_pair_args_ vnet_app_add_cert_key_pair_args_t

◆ vnet_app_add_tls_cert_args_t

typedef struct _vnet_application_add_tls_cert_args_t vnet_app_add_tls_cert_args_t

◆ vnet_app_add_tls_key_args_t

typedef struct _vnet_application_add_tls_key_args_t vnet_app_add_tls_key_args_t

◆ vnet_app_attach_args_t

typedef struct _vnet_app_attach_args_t vnet_app_attach_args_t

◆ vnet_app_detach_args_t

typedef struct _vnet_app_detach_args_t vnet_app_detach_args_t

◆ vnet_connect_args_t

typedef struct _vnet_connect_args vnet_connect_args_t

◆ vnet_disconnect_args_t

typedef struct _vnet_disconnect_args_t vnet_disconnect_args_t

◆ vnet_listen_args_t

typedef struct _vnet_bind_args_t vnet_listen_args_t

◆ vnet_unlisten_args_t

typedef struct _vnet_unlisten_args_t vnet_unlisten_args_t

Enumeration Type Documentation

◆ app_attach_options_index_t

Enumerator
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_PREALLOC_FIFO_HDRS 
APP_OPTIONS_NAMESPACE 
APP_OPTIONS_NAMESPACE_SECRET 
APP_OPTIONS_PROXY_TRANSPORT 
APP_OPTIONS_ACCEPT_COOKIE 
APP_OPTIONS_TLS_ENGINE 
APP_OPTIONS_MAX_FIFO_SIZE 
APP_OPTIONS_HIGH_WATERMARK 
APP_OPTIONS_LOW_WATERMARK 
APP_OPTIONS_PCT_FIRST_ALLOC 
APP_OPTIONS_N_OPTIONS 

Definition at line 193 of file application_interface.h.

◆ crypto_engine_type_

Enumerator
CRYPTO_ENGINE_NONE 
CRYPTO_ENGINE_OPENSSL 
CRYPTO_ENGINE_MBEDTLS 
CRYPTO_ENGINE_VPP 
CRYPTO_ENGINE_PICOTLS 
CRYPTO_ENGINE_LAST 

Definition at line 166 of file application_interface.h.

◆ session_fd_flag_

Enumerator
foreach_fd_type 

Definition at line 254 of file application_interface.h.

◆ session_fd_type_

Enumerator
SESSION_N_FD_TYPE 

Definition at line 246 of file application_interface.h.

Function Documentation

◆ app_alloc_ctrl_evt_to_vpp()

static void app_alloc_ctrl_evt_to_vpp ( svm_msg_q_t mq,
app_session_evt_t app_evt,
u8  evt_type 
)
inlinestatic

Definition at line 538 of file application_interface.h.

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◆ app_recv()

static int app_recv ( app_session_t s,
u8 data,
u32  len 
)
inlinestatic

Definition at line 744 of file application_interface.h.

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◆ app_recv_dgram()

static int app_recv_dgram ( app_session_t s,
u8 buf,
u32  len 
)
inlinestatic

Definition at line 720 of file application_interface.h.

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◆ app_recv_dgram_raw()

static int app_recv_dgram_raw ( svm_fifo_t f,
u8 buf,
u32  len,
app_session_transport_t at,
u8  clear_evt,
u8  peek 
)
inlinestatic

Definition at line 681 of file application_interface.h.

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◆ app_recv_stream()

static int app_recv_stream ( app_session_t s,
u8 buf,
u32  len 
)
inlinestatic

Definition at line 738 of file application_interface.h.

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◆ app_recv_stream_raw()

static int app_recv_stream_raw ( svm_fifo_t f,
u8 buf,
u32  len,
u8  clear_evt,
u8  peek 
)
inlinestatic

Definition at line 726 of file application_interface.h.

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◆ app_send()

static int app_send ( app_session_t s,
u8 data,
u32  len,
u8  noblock 
)
inlinestatic

Definition at line 673 of file application_interface.h.

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◆ app_send_ctrl_evt_to_vpp()

static void app_send_ctrl_evt_to_vpp ( svm_msg_q_t mq,
app_session_evt_t app_evt 
)
inlinestatic

Definition at line 550 of file application_interface.h.

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◆ app_send_dgram()

static int app_send_dgram ( app_session_t s,
u8 data,
u32  len,
u8  noblock 
)
inlinestatic

Definition at line 642 of file application_interface.h.

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◆ app_send_dgram_raw()

static int app_send_dgram_raw ( svm_fifo_t f,
app_session_transport_t at,
svm_msg_q_t vpp_evt_q,
u8 data,
u32  len,
u8  evt_type,
u8  do_evt,
u8  noblock 
)
inlinestatic

Definition at line 606 of file application_interface.h.

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◆ app_send_io_evt_to_vpp()

static int app_send_io_evt_to_vpp ( svm_msg_q_t mq,
u32  session_index,
u8  evt_type,
u8  noblock 
)
inlinestatic

Send fifo io event to vpp worker thread.

Because there may be multiple writers to one of vpp's queues, this protects message allocation and enqueueing.

Parameters
mqvpp message queue
ffifo for which the event is sent
evt_typetype of event
noblockflag to indicate is request is blocking or not
Returns
0 if success, negative integer otherwise

Definition at line 568 of file application_interface.h.

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◆ app_send_stream()

static int app_send_stream ( app_session_t s,
u8 data,
u32  len,
u8  noblock 
)
inlinestatic

Definition at line 666 of file application_interface.h.

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◆ app_send_stream_raw()

static int app_send_stream_raw ( svm_fifo_t f,
svm_msg_q_t vpp_evt_q,
u8 data,
u32  len,
u8  evt_type,
u8  do_evt,
u8  noblock 
)
inlinestatic

Definition at line 650 of file application_interface.h.

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◆ format_session_error()

static u8* format_session_error ( u8 s,
va_list *  args 
)
inlinestatic

Definition at line 760 of file application_interface.h.

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◆ parse_uri()

int parse_uri ( char *  uri,
session_endpoint_cfg_t sep 
)

Definition at line 95 of file application_interface.c.

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◆ STATIC_ASSERT() [1/4]

STATIC_ASSERT ( sizeof(session_listen_msg_t)<=  SESSION_CTRL_MSG_MAX_SIZE,
"msg too large"   
)

◆ STATIC_ASSERT() [2/4]

STATIC_ASSERT ( sizeof(session_listen_uri_msg_t)<=  SESSION_CTRL_MSG_MAX_SIZE,
"msg too large"   
)

◆ STATIC_ASSERT() [3/4]

STATIC_ASSERT ( sizeof(session_connect_msg_t)<=  SESSION_CTRL_MSG_MAX_SIZE,
"msg too large"   
)

◆ STATIC_ASSERT() [4/4]

STATIC_ASSERT ( sizeof(session_connect_uri_msg_t)<=  SESSION_CTRL_MSG_MAX_SIZE,
"msg too large"   
)

◆ vnet_app_add_cert_key_interest()

int vnet_app_add_cert_key_interest ( u32  index,
u32  app_index 
)

Ask for app cb on pair deletion.

Definition at line 1717 of file application.c.

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◆ vnet_app_add_cert_key_pair()

int vnet_app_add_cert_key_pair ( vnet_app_add_cert_key_pair_args_t a)

Definition at line 1707 of file application.c.

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◆ vnet_app_add_tls_cert()

clib_error_t* vnet_app_add_tls_cert ( vnet_app_add_tls_cert_args_t a)

Definition at line 1325 of file application.c.

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◆ vnet_app_add_tls_key()

clib_error_t* vnet_app_add_tls_key ( vnet_app_add_tls_key_args_t a)

Definition at line 1335 of file application.c.

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◆ vnet_app_del_cert_key_pair()

int vnet_app_del_cert_key_pair ( u32  index)

Definition at line 1728 of file application.c.

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◆ vnet_application_attach()

int vnet_application_attach ( vnet_app_attach_args_t a)

Attach application to vpp.

Allocates a vpp app, i.e., a structure that keeps back pointers to external app and a segment manager for shared memory fifo based communication with the external app.

Definition at line 827 of file application.c.

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◆ vnet_application_detach()

int vnet_application_detach ( vnet_app_detach_args_t a)

Detach application from vpp.

Definition at line 887 of file application.c.

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◆ vnet_bind_uri()

int vnet_bind_uri ( vnet_listen_args_t )

Definition at line 128 of file application_interface.c.

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◆ vnet_connect()

int vnet_connect ( vnet_connect_args_t a)

Definition at line 1019 of file application.c.

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◆ vnet_connect_uri()

int vnet_connect_uri ( vnet_connect_args_t a)

Definition at line 167 of file application_interface.c.

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◆ vnet_disconnect_session()

int vnet_disconnect_session ( vnet_disconnect_args_t a)

Definition at line 1087 of file application.c.

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◆ vnet_listen()

int vnet_listen ( vnet_listen_args_t a)

Definition at line 965 of file application.c.

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◆ vnet_unbind_uri()

int vnet_unbind_uri ( vnet_unlisten_args_t a)

Definition at line 142 of file application_interface.c.

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◆ vnet_unlisten()

int vnet_unlisten ( vnet_unlisten_args_t a)

Definition at line 1056 of file application.c.

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Variable Documentation

◆ session_error_str

char* session_error_str[]
static
Initial value:

Definition at line 752 of file application_interface.h.