summaryrefslogtreecommitdiffstats
path: root/src/plugins/hs_apps/sapi/vpp_echo_common.h
blob: 0def7adab36f3d37541b329915f9a7b7aafc8145 (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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
/*
 * Copyright (c) 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 __included_vpp_echo_common_h__
#define __included_vpp_echo_common_h__

#include <vnet/session/application_interface.h>
#include <vpp/api/vpe_msg_enum.h>

#define vl_typedefs		/* define message structures */
#include <vpp/api/vpe_all_api_h.h>
#undef vl_typedefs

/* declare message handlers for each api */

#define vl_endianfun		/* define message structures */
#include <vpp/api/vpe_all_api_h.h>
#undef vl_endianfun

/* instantiate all the print functions we know about */
#define vl_print(handle, ...)
#define vl_printfun
#include <vpp/api/vpe_all_api_h.h>
#undef vl_printfun

#define TIMEOUT 10.0
#define LOGGING_BATCH (100)
#define LOG_EVERY_N_IDLE_CYCLES (1e8)

#define foreach_echo_fail_code                                          \
  _(ECHO_FAIL_NONE, "ECHO_FAIL_NONE")                                   \
  _(ECHO_FAIL_USAGE, "ECHO_FAIL_USAGE")                                 \
  _(ECHO_FAIL_SEND_IO_EVT, "ECHO_FAIL_SEND_IO_EVT")                     \
  _(ECHO_FAIL_SOCKET_CONNECT, "ECHO_FAIL_SOCKET_CONNECT")               \
  _(ECHO_FAIL_INIT_SHM_API, "ECHO_FAIL_INIT_SHM_API")                   \
  _(ECHO_FAIL_SHMEM_CONNECT, "ECHO_FAIL_SHMEM_CONNECT")                 \
  _(ECHO_FAIL_TEST_BYTES_ERR, "ECHO_FAIL_TEST_BYTES_ERR")               \
  _(ECHO_FAIL_BIND, "ECHO_FAIL_BIND")                                   \
  _(ECHO_FAIL_SESSION_ACCEPTED_BAD_LISTENER,                            \
    "ECHO_FAIL_SESSION_ACCEPTED_BAD_LISTENER")                          \
  _(ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,                              \
    "ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC")                            \
  _(ECHO_FAIL_SESSION_CONNECT, "ECHO_FAIL_SESSION_CONNECT")             \
  _(ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,                             \
    "ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC")                           \
  _(ECHO_FAIL_APP_ATTACH, "ECHO_FAIL_APP_ATTACH")                       \
  _(ECHO_FAIL_SERVER_DISCONNECT_TIMEOUT,                                \
    "ECHO_FAIL_SERVER_DISCONNECT_TIMEOUT")                              \
  _(ECHO_FAIL_INVALID_URI, "ECHO_FAIL_INVALID_URI")                     \
  _(ECHO_FAIL_PROTOCOL_NOT_SUPPORTED,                                   \
    "ECHO_FAIL_PROTOCOL_NOT_SUPPORTED")                                 \
  _(ECHO_FAIL_CONNECT_TO_VPP, "ECHO_FAIL_CONNECT_TO_VPP")               \
  _(ECHO_FAIL_ATTACH_TO_VPP, "ECHO_FAIL_ATTACH_TO_VPP")                 \
  _(ECHO_FAIL_1ST_PTHREAD_CREATE, "ECHO_FAIL_1ST_PTHREAD_CREATE")       \
  _(ECHO_FAIL_PTHREAD_CREATE, "ECHO_FAIL_PTHREAD_CREATE")               \
  _(ECHO_FAIL_DETACH, "ECHO_FAIL_DETACH")                               \
  _(ECHO_FAIL_DEL_CERT_KEY, "ECHO_FAIL_DEL_CERT_KEY")                               \
  _(ECHO_FAIL_MQ_PTHREAD, "ECHO_FAIL_MQ_PTHREAD")                       \
  _(ECHO_FAIL_VL_API_APP_ATTACH, "ECHO_FAIL_VL_API_APP_ATTACH")         \
  _(ECHO_FAIL_VL_API_MISSING_SEGMENT_NAME,                              \
    "ECHO_FAIL_VL_API_MISSING_SEGMENT_NAME")                            \
  _(ECHO_FAIL_VL_API_NULL_APP_MQ, "ECHO_FAIL_VL_API_NULL_APP_MQ")       \
  _(ECHO_FAIL_VL_API_RECV_FD_MSG, "ECHO_FAIL_VL_API_RECV_FD_MSG")       \
  _(ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,                               \
    "ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH")                             \
  _(ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,                                   \
    "ECHO_FAIL_VL_API_FIFO_SEG_ATTACH")                                 \
  _(ECHO_FAIL_VL_API_DETACH_REPLY, "ECHO_FAIL_VL_API_DETACH_REPLY")     \
  _(ECHO_FAIL_VL_API_BIND_URI_REPLY, "ECHO_FAIL_VL_API_BIND_URI_REPLY") \
  _(ECHO_FAIL_VL_API_UNBIND_REPLY, "ECHO_FAIL_VL_API_UNBIND_REPLY")     \
  _(ECHO_FAIL_SESSION_DISCONNECT, "ECHO_FAIL_SESSION_DISCONNECT")       \
  _(ECHO_FAIL_SESSION_RESET, "ECHO_FAIL_SESSION_RESET")                 \
  _(ECHO_FAIL_VL_API_CERT_KEY_ADD_REPLY,                                \
    "ECHO_FAIL_VL_API_CERT_KEY_ADD_REPLY")                              \
  _(ECHO_FAIL_VL_API_CERT_KEY_DEL_REPLY,                                \
    "ECHO_FAIL_VL_API_CERT_KEY_DEL_REPLY")                              \
  _(ECHO_FAIL_GET_SESSION_FROM_HANDLE,                                  \
    "ECHO_FAIL_GET_SESSION_FROM_HANDLE")                                \
  _(ECHO_FAIL_QUIC_WRONG_CONNECT, "ECHO_FAIL_QUIC_WRONG_CONNECT")       \
  _(ECHO_FAIL_QUIC_WRONG_ACCEPT, "ECHO_FAIL_QUIC_WRONG_ACCEPT")         \
  _(ECHO_FAIL_TCP_BAPI_CONNECT, "ECHO_FAIL_TCP_BAPI_CONNECT")           \
  _(ECHO_FAIL_UDP_BAPI_CONNECT, "ECHO_FAIL_UDP_BAPI_CONNECT")           \
  _(ECHO_FAIL_MISSING_START_EVENT, "ECHO_FAIL_MISSING_START_EVENT")     \
  _(ECHO_FAIL_MISSING_END_EVENT, "ECHO_FAIL_MISSING_END_EVENT")         \
  _(ECHO_FAIL_TEST_ASSERT_RX_TOTAL, "ECHO_FAIL_TEST_ASSERT_RX_TOTAL")   \
  _(ECHO_FAIL_UNIDIRECTIONAL, "ECHO_FAIL_UNIDIRECTIONAL")               \
  _(ECHO_FAIL_TEST_ASSERT_TX_TOTAL, "ECHO_FAIL_TEST_ASSERT_TX_TOTAL")   \
  _(ECHO_FAIL_TEST_ASSERT_ALL_SESSIONS_CLOSED,                          \
    "ECHO_FAIL_TEST_ASSERT_ALL_SESSIONS_CLOSED")                        \
  _(ECHO_FAIL_RPC_SIZE, "ECHO_FAIL_RPC_SIZE")

typedef enum
{
#define _(sym, str) sym,
  foreach_echo_fail_code
#undef _
} echo_fail_t;

extern char *echo_fail_code_str[];

#define CHECK_SAME(fail, expected, result, _fmt, _args...)      \
do {                                                            \
  if ((expected) != (result))                                   \
    ECHO_FAIL ((fail), "expected same (%lld, got %lld) : "_fmt, \
               (u64)(expected), (u64)(result), ##_args);        \
} while (0)

#define CHECK_DIFF(fail, expected, result, _fmt, _args...)      \
do {                                                            \
  if ((expected) == (result))                                   \
    ECHO_FAIL ((fail), "expected different (both %lld) : "_fmt, \
               (u64)(expected), ##_args);                       \
} while (0)

#define ECHO_FAIL(fail, _fmt, _args...)                                 \
do {                                                                    \
    echo_main_t *em = &echo_main;                                       \
    em->has_failed = (fail);                                            \
    if (vec_len(em->fail_descr))                                        \
      em->fail_descr = format(em->fail_descr, " | %s (%u): "_fmt,       \
                              echo_fail_code_str[fail], fail, ##_args); \
    else                                                                \
      em->fail_descr = format(0, "%s (%u): "_fmt,                       \
                              echo_fail_code_str[fail], fail, ##_args); \
    em->time_to_stop = 1;                                               \
    if (em->log_lvl > 0)                                                \
      clib_warning ("%v", em->fail_descr);                              \
} while (0)

#define ECHO_LOG(lvl, _fmt,_args...)    \
  {                                     \
    echo_main_t *em = &echo_main;       \
    if (em->log_lvl > lvl)              \
         clib_warning (_fmt, ##_args);  \
  }

#define ECHO_REGISTER_PROTO(proto, vft)         	\
  static void __clib_constructor                	\
  vpp_echo_init_##proto ()                      	\
  {                                             	\
    echo_main_t *em = &echo_main;               	\
    vec_validate (em->available_proto_cb_vft, proto);	\
    em->available_proto_cb_vft[proto] = &vft;   	\
  }

typedef struct
{
  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
#define _(type, name) type name;
  foreach_app_session_field
#undef _
  u64 vpp_session_handle;
  u64 bytes_sent;
  u64 bytes_to_send;
  volatile u64 bytes_received;
  volatile u64 bytes_to_receive;
  f64 start;
  u32 listener_index;		/* listener index in echo session pool */
  u32 idle_cycles;		/* consecutive enq/deq with no data */
  volatile u64 accepted_session_count;	/* sessions we accepted (as a listener) */
} echo_session_t;

typedef enum
{
  ECHO_NO_DATA_SOURCE,
  ECHO_TEST_DATA_SOURCE,
  ECHO_RX_DATA_SOURCE,
  ECHO_INVALID_DATA_SOURCE
} data_source_t;

enum echo_close_f_t
{
  ECHO_CLOSE_F_INVALID = 0,
  ECHO_CLOSE_F_PASSIVE,		/* wait for close msg */
  ECHO_CLOSE_F_ACTIVE,		/* send close msg */
  ECHO_CLOSE_F_NONE,		/* don't bother sending close msg */
};

enum quic_session_type_t
{
  ECHO_SESSION_TYPE_QUIC,
  ECHO_SESSION_TYPE_STREAM,
  ECHO_SESSION_TYPE_LISTEN,
};

enum quic_session_state_t
{
  ECHO_SESSION_STATE_INITIAL,
  ECHO_SESSION_STATE_READY,
  ECHO_SESSION_STATE_AWAIT_CLOSING,	/* Data transfer is done, wait for close evt */
  ECHO_SESSION_STATE_AWAIT_DATA,	/* Peer closed, wait for outstanding data */
  ECHO_SESSION_STATE_CLOSING,	/* told vpp to close */
  ECHO_SESSION_STATE_CLOSED,	/* closed in vpp */
};

typedef enum
{
  STATE_START,
  STATE_ATTACHED_NO_CERT,
  STATE_ATTACHED,
  STATE_LISTEN,
  STATE_READY,
  STATE_DATA_DONE,
  STATE_DISCONNECTED,
  STATE_CLEANED_CERT_KEY,
  STATE_DETACHED
} connection_state_t;

typedef enum echo_test_evt_
{
  ECHO_EVT_START = 1,		/* app starts */
  ECHO_EVT_FIRST_QCONNECT = (1 << 1),	/* First connect Quic session sent */
  ECHO_EVT_LAST_QCONNECTED = (1 << 2),	/* All Quic session are connected */
  ECHO_EVT_FIRST_SCONNECT = (1 << 3),	/* First connect Stream session sent */
  ECHO_EVT_LAST_SCONNECTED = (1 << 4),	/* All Stream session are connected */
  ECHO_EVT_LAST_BYTE = (1 << 5),	/* Last byte received */
  ECHO_EVT_EXIT = (1 << 6),	/* app exits */
} echo_test_evt_t;

typedef union session_connected_bundled_msg_
{
  session_connected_msg_t *mp;
} session_connected_bundled_msg_t;

typedef struct echo_proto_cb_vft_
{
  void (*connected_cb) (session_connected_bundled_msg_t * mp, u32 session_index, u8 is_failed);	/* Session is connected */
  void (*accepted_cb) (session_accepted_msg_t * mp, echo_session_t * session);	/* Session got accepted */
  void (*bound_uri_cb) (session_bound_msg_t * mp, echo_session_t * session);	/* Session got bound */
  void (*reset_cb) (session_reset_msg_t * mp, echo_session_t * s);	/* Received RESET on session */
  void (*disconnected_cb) (session_disconnected_msg_t * mp, echo_session_t * s);	/* Received DISCONNECT on session */
  void (*sent_disconnect_cb) (echo_session_t * s);	/* ACK disconnect we sent to vpp */
  void (*cleanup_cb) (echo_session_t * s, u8 parent_died);	/* Session should be cleaned up (parent listener may be dead) */
  /* Add CLI options */
  int (*process_opts_cb) (unformat_input_t * a);
  void (*set_defaults_before_opts_cb) (void);
  void (*set_defaults_after_opts_cb) (void);
  void (*print_usage_cb) (void);
} echo_proto_cb_vft_t;

typedef enum
{
  RETURN_PACKETS_NOTEST,
  RETURN_PACKETS_LOG_WRONG,
  RETURN_PACKETS_ASSERT,
} test_return_packets_t;

typedef struct teardown_stat_
{
  u32 q;			/* quic sessions */
  u32 s;			/* stream sessions */
} teardown_stat_t;

typedef struct echo_stats_
{
  u64 tx_total;
  u64 rx_total;
  u64 tx_expected;
  u64 rx_expected;
  teardown_stat_t reset_count;	/* received reset from vpp */
  teardown_stat_t close_count;	/* received close from vpp */
  teardown_stat_t active_count;	/* sent close to vpp */
  teardown_stat_t clean_count;	/* cleaned up stale session */
  teardown_stat_t connected_count;	/* connected sessions count */
  teardown_stat_t accepted_count;	/* connected sessions count */
} echo_stats_t;

typedef struct
{
  svm_queue_t *vl_input_queue;	/* vpe input queue */
  u32 my_client_index;		/* API client handle */
  u8 *uri;			/* The URI we're playing with */
  u32 n_uris;			/* Cycle through adjacent ips */
  ip46_address_t lcl_ip;	/* Local ip for client */
  u8 lcl_ip_set;
  echo_session_t *sessions;	/* Session pool */
  svm_msg_q_t *app_mq;		/* Our receiveing event queue */
  svm_msg_q_t *ctrl_mq;		/* Our control queue (towards vpp) */
  clib_time_t clib_time;	/* For deadman timers */
  u8 *socket_name;
  int i_am_master;
  u32 *listen_session_indexes;	/* vec of vpp listener sessions */
  volatile u32 listen_session_cnt;

  uword *session_index_by_vpp_handles;	/* Hash table : quic_echo s_id -> vpp s_handle */
  clib_spinlock_t sid_vpp_handles_lock;	/* Hash table lock */

  uword *shared_segment_handles;	/* Hash table : segment_names -> 1 */
  clib_spinlock_t segment_handles_lock;	/* Hash table lock */
  echo_proto_cb_vft_t *proto_cb_vft;
  svm_msg_q_t *rpc_msq_queue;	/* MQ between quic_echo threads */
  fifo_segment_main_t segment_main;

  /* State of the connection, shared between msg RX thread and main thread */
  volatile connection_state_t state;
  volatile u8 time_to_stop;	/* Signal variables */
  u8 rx_results_diff;		/* Rx results will be different than cfg */
  u8 tx_results_diff;		/* Tx results will be different than cfg */
  u8 has_failed;		/* stores the exit code */
  u8 *fail_descr;		/* vector containing fail description */

  /** Flag that decides if socket, instead of svm, api is used to connect to
   * vpp. If sock api is used, shm binary api is subsequently bootstrapped
   * and all other messages are exchanged using shm IPC. */
  u8 use_sock_api;

  u8 *connect_test_data;
  u8 test_return_packets;
  u64 bytes_to_send;		/* target per stream */
  u64 bytes_to_receive;		/* target per stream */
  u32 fifo_size;
  u32 prealloc_fifo_pairs;
  u64 rx_buf_size;
  u64 tx_buf_size;
  data_source_t data_source;	/* Use no/placeholder/mirrored data */
  u8 send_stream_disconnects;	/* actively send disconnect */
  u8 output_json;		/* Output stats as JSON */
  volatile u8 wait_for_gdb;	/* Wait for gdb to attach */
  u8 log_lvl;			/* Verbosity of the logging */
  int max_test_msg;		/* Limit the number of incorrect data messages */
  u32 evt_q_size;		/* Size of the vpp MQ (app<->vpp events) */
  u32 ckpair_index;		/* Cert key pair used */
  u8 crypto_engine;		/* crypto engine used */
  u8 connect_flag;		/* flags to pass to mq connect */
  u32 periodic_stats_delta;	/* seconds between periodic stats */

  u8 *appns_id;
  u64 appns_flags;
  u64 appns_secret;

  pthread_t *data_thread_handles;	/* vec of data thread handles */
  pthread_t mq_thread_handle;	/* Message queue thread handle */
  u32 *volatile data_thread_args;

  u32 n_connects;		/* Target number of connects to send */
  u32 n_sessions;		/* Number of sessions to prealloc */
  u32 n_clients;		/* Target number of clients doing RX/TX */
  u32 n_rx_threads;		/* Number of data threads */

  volatile u32 n_clients_connected;	/* Number of STREAM sessions connected */
  volatile u32 nxt_available_sidx;	/* next unused prealloced session_index */

  volatile int max_sim_connects;

  /* VNET_API_ERROR_FOO -> "Foo" hash table */
  uword *error_string_by_error_number;
  echo_proto_cb_vft_t **available_proto_cb_vft;

  echo_stats_t stats;
  echo_stats_t last_stat_sampling;	/* copy of stats at last sampling */
  f64 last_stat_sampling_ts;

  struct			/* Event based timing : start & end depend on CLI specified events */
  {
    f64 start_time;
    f64 end_time;
    u8 events_sent;
    u8 start_event;
    u8 end_event;
  } timing;

  struct
  {
    u32 transport_proto;
    ip46_address_t ip;
    u32 port;
    u8 is_ip4;
  } uri_elts;
} echo_main_t;

extern echo_main_t echo_main;


typedef struct echo_connect_args_
{
  u32 context;
  u64 parent_session_handle;
  ip46_address_t ip;
  ip46_address_t lcl_ip;
} echo_connect_args_t;

typedef struct echo_disconnect_args_
{
  u64 session_handle;
} echo_disconnect_args_t;

typedef union
{
  echo_connect_args_t connect;
  echo_disconnect_args_t disconnect;
} echo_rpc_args_t;

typedef void (*echo_rpc_t) (echo_main_t * em, echo_rpc_args_t * arg);

typedef struct
{
  void *fp;
  echo_rpc_args_t args;
} echo_rpc_msg_t;


u8 *format_ip4_address (u8 * s, va_list * args);
u8 *format_ip6_address (u8 * s, va_list * args);
u8 *format_ip46_address (u8 * s, va_list * args);
u8 *format_api_error (u8 * s, va_list * args);
void init_error_string_table ();
u8 *echo_format_session (u8 * s, va_list * args);
u8 *echo_format_session_type (u8 * s, va_list * args);
u8 *echo_format_session_state (u8 * s, va_list * args);
u8 *echo_format_app_state (u8 * s, va_list * args);
uword echo_unformat_close (unformat_input_t * input, va_list * args);
uword echo_unformat_timing_event (unformat_input_t * input, va_list * args);
u8 *echo_format_timing_event (u8 * s, va_list * args);
uword unformat_transport_proto (unformat_input_t * input, va_list * args);
u8 *format_transport_proto (u8 * s, va_list * args);
uword unformat_ip4_address (unformat_input_t * input, va_list * args);
uword unformat_ip6_address (unformat_input_t * input, va_list * args);

void echo_session_handle_add_del (echo_main_t * em, u64 handle, u32 sid);
echo_session_t *echo_session_new (echo_main_t * em);
int echo_send_rpc (echo_main_t * em, void *fp, echo_rpc_args_t * args);
echo_session_t *echo_get_session_from_handle (echo_main_t * em, u64 handle);
int wait_for_state_change (echo_main_t * em, connection_state_t state,
			   f64 timeout);
void echo_notify_event (echo_main_t * em, echo_test_evt_t e);
void echo_session_print_stats (echo_main_t * em, echo_session_t * session);
u8 *echo_format_crypto_engine (u8 * s, va_list * args);
uword echo_unformat_crypto_engine (unformat_input_t * input, va_list * args);
u8 *echo_format_bytes_per_sec (u8 * s, va_list * args);
int echo_segment_attach (u64 segment_handle, char *name,
			 ssvm_segment_type_t type, int fd);
u32 echo_segment_lookup (u64 segment_handle);
void echo_segment_detach (u64 segment_handle);

/* Binary API */

void echo_send_attach (echo_main_t * em);
void echo_send_detach (echo_main_t * em);
void echo_send_listen (echo_main_t * em, ip46_address_t * ip);
void echo_send_unbind (echo_main_t * em, echo_session_t * s);
void echo_send_connect (echo_main_t * em, void *args);
void echo_send_disconnect_session (echo_main_t * em, void *args);
void echo_api_hookup (echo_main_t * em);
void echo_send_add_cert_key (echo_main_t * em);
void echo_send_del_cert_key (echo_main_t * em);

#endif /* __included_vpp_echo_common_h__ */

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