FD.io VPP  v18.01.2-1-g9b554f3
Vector Packet Processing
socksvr_vlib.c
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1 /*
2  *------------------------------------------------------------------
3  * socksvr_vlib.c
4  *
5  * Copyright (c) 2009 Cisco and/or its affiliates.
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at:
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *------------------------------------------------------------------
18  */
19 
20 #include <sys/types.h>
21 #include <sys/socket.h>
22 #include <netinet/in.h>
23 #include <sys/ioctl.h>
24 #include <vppinfra/byte_order.h>
25 #include <svm/memfd.h>
26 
27 #include <fcntl.h>
28 #include <sys/stat.h>
29 
30 #include <vlibmemory/api.h>
31 
33 
34 #define vl_typedefs /* define message structures */
36 #undef vl_typedefs
37 
38 /* instantiate all the print functions we know about */
39 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
40 #define vl_printfun
42 #undef vl_printfun
43 
44 /* instantiate all the endian swap functions we know about */
45 #define vl_endianfun
47 #undef vl_endianfun
48 
49 void
51 {
55  clib_file_t *f;
56 
57  /*
58  * Must have at least one active client, not counting the
59  * REGISTRATION_TYPE_SOCKET_LISTEN bind/accept socket
60  */
61  if (pool_elts (sm->registration_pool) < 2)
62  return;
63 
64  vlib_cli_output (vm, "Socket clients");
65  vlib_cli_output (vm, "%16s %8s", "Name", "Fildesc");
66  /* *INDENT-OFF* */
68  ({
69  if (reg->registration_type == REGISTRATION_TYPE_SOCKET_SERVER) {
70  f = pool_elt_at_index (fm->file_pool, reg->clib_file_index);
71  vlib_cli_output (vm, "%16s %8d",
72  reg->name, f->file_descriptor);
73  }
74  }));
75 /* *INDENT-ON* */
76 }
77 
78 void
80 {
81  u16 msg_id = ntohs (*(u16 *) elem);
82  api_main_t *am = &api_main;
83  msgbuf_t *mb = (msgbuf_t *) (elem - offsetof (msgbuf_t, data));
84 #if CLIB_DEBUG > 1
85  u32 output_length;
86 #endif
88 
90 
91  if (msg_id >= vec_len (am->api_trace_cfg))
92  {
93  clib_warning ("id out of range: %d", msg_id);
94  vl_msg_api_free ((void *) elem);
95  return;
96  }
97 
98  /* Add the msgbuf_t to the output vector */
102  (u8 *) mb, sizeof (*mb));
103  /* Send the message */
107  elem, ntohl (mb->data_len));
108 
109 #if CLIB_DEBUG > 1
110  output_length = sizeof (*mb) + ntohl (mb->data_len);
111  clib_warning ("wrote %u bytes to fd %d", output_length,
112  cf->file_descriptor);
113 #endif
114 
115  vl_msg_api_free ((void *) elem);
116 }
117 
118 void
120 {
121  int i;
124  {
125  clib_warning ("main pool index %d already free", pool_index);
126  return;
127  }
129 
131  for (i = 0; i < vec_len (rp->additional_fds_to_close); i++)
132  if (close (rp->additional_fds_to_close[i]) < 0)
133  clib_unix_warning ("close");
135  vec_free (rp->name);
137  vec_free (rp->output_vector);
140 }
141 
142 void
144  i8 * input_v)
145 {
146  msgbuf_t *mbp = (msgbuf_t *) input_v;
147 
148  u8 *the_msg = (u8 *) (mbp->data);
149  socket_main.current_uf = uf;
150  socket_main.current_rp = rp;
151  vl_msg_api_socket_handler (the_msg);
154 }
155 
156 clib_error_t *
158 {
162  int n;
163  i8 *msg_buffer = 0;
164  u8 *data_for_process;
165  u32 msg_len;
166  u32 save_input_buffer_length = vec_len (socket_main.input_buffer);
168  msgbuf_t *mbp;
169  int mbp_set = 0;
170 
172 
175 
176  if (n <= 0 && errno != EAGAIN)
177  {
178  clib_file_del (fm, uf);
179 
181  {
182  u32 index = rp - socket_main.registration_pool;
184  }
185  else
186  {
187  clib_warning ("client index %d already free?",
189  }
190  return 0;
191  }
192 
193  _vec_len (socket_main.input_buffer) = n;
194 
195  /*
196  * Look for bugs here. This code is tricky because
197  * data read from a stream socket does not honor message
198  * boundaries. In the case of a long message (>4K bytes)
199  * we have to do (at least) 2 reads, etc.
200  */
201  do
202  {
203  if (vec_len (rp->unprocessed_input))
204  {
206  msg_buffer = rp->unprocessed_input;
207  }
208  else
209  {
210  msg_buffer = socket_main.input_buffer;
211  mbp_set = 0;
212  }
213 
214  if (mbp_set == 0)
215  {
216  /* Any chance that we have a complete message? */
217  if (vec_len (msg_buffer) <= sizeof (msgbuf_t))
218  goto save_and_split;
219 
220  mbp = (msgbuf_t *) msg_buffer;
221  msg_len = ntohl (mbp->data_len);
222  mbp_set = 1;
223  }
224 
225  /* We don't have the entire message yet. */
226  if (mbp_set == 0
227  || (msg_len + sizeof (msgbuf_t)) > vec_len (msg_buffer))
228  {
229  save_and_split:
230  /* if we were using the input buffer save the fragment */
231  if (msg_buffer == socket_main.input_buffer)
232  {
233  ASSERT (vec_len (rp->unprocessed_input) == 0);
234  vec_validate (rp->unprocessed_input, vec_len (msg_buffer) - 1);
235  clib_memcpy (rp->unprocessed_input, msg_buffer,
236  vec_len (msg_buffer));
237  _vec_len (rp->unprocessed_input) = vec_len (msg_buffer);
238  }
239  _vec_len (socket_main.input_buffer) = save_input_buffer_length;
240  return 0;
241  }
242 
243  data_for_process = (u8 *) vec_dup (msg_buffer);
244  _vec_len (data_for_process) = (msg_len + sizeof (msgbuf_t));
246  a->clib_file = uf;
247  a->regp = rp;
248  a->data = data_for_process;
249 
253  if (n > (msg_len + sizeof (*mbp)))
254  vec_delete (msg_buffer, msg_len + sizeof (*mbp), 0);
255  else
256  _vec_len (msg_buffer) = 0;
257  n -= msg_len + sizeof (msgbuf_t);
258  msg_len = 0;
259  mbp_set = 0;
260  }
261  while (n > 0);
262 
263  _vec_len (socket_main.input_buffer) = save_input_buffer_length;
264 
265  return 0;
266 }
267 
268 void
271  u8 * buffer, uword buffer_bytes)
272 {
274 
275  vec_add (rp->output_vector, buffer, buffer_bytes);
276  if (vec_len (rp->output_vector) > 0)
277  {
278  int skip_update = 0 != (uf->flags & UNIX_FILE_DATA_AVAILABLE_TO_WRITE);
280  if (!skip_update)
282  }
283 }
284 
285 void
288  u8 * buffer, uword buffer_bytes)
289 {
290  vec_add (rp->output_vector, buffer, buffer_bytes);
291 }
292 
293 static void
295  vl_api_registration_t * rp, uword n_bytes)
296 {
298 
299  vec_delete (rp->output_vector, n_bytes, 0);
300  if (vec_len (rp->output_vector) <= 0)
301  {
302  int skip_update = 0 == (uf->flags & UNIX_FILE_DATA_AVAILABLE_TO_WRITE);
304  if (!skip_update)
306  }
307 }
308 
309 clib_error_t *
311 {
314  int n;
315 
317 
318  /* Flush output vector. */
319  n = write (uf->file_descriptor,
320  rp->output_vector, vec_len (rp->output_vector));
321 
322  if (n < 0)
323  {
324 #if DEBUG > 2
325  clib_warning ("write error, close the file...\n");
326 #endif
327  clib_file_del (fm, uf);
328 
330  return 0;
331  }
332 
333  else if (n > 0)
334  socket_del_pending_output (uf, rp, n);
335 
336  return 0;
337 }
338 
339 clib_error_t *
341 {
344 
346  clib_file_del (fm, uf);
348 
349  return 0;
350 }
351 
352 void
354 {
356  clib_file_t template = { 0 };
357 
359  memset (rp, 0, sizeof (*rp));
360 
361  template.read_function = vl_socket_read_ready;
362  template.write_function = vl_socket_write_ready;
363  template.error_function = vl_socket_error_ready;
364  template.file_descriptor = fd;
365  template.private_data = rp - socket_main.registration_pool;
366 
369  rp->clib_file_index = clib_file_add (fm, &template);
370 }
371 
372 static clib_error_t *
374 {
376  socket_main_t *sm = &socket_main;
378  clib_socket_t client;
379  clib_error_t *error;
380 
381  error = clib_socket_accept (sock, &client);
382 
383  if (error)
384  return error;
385 
386  socksvr_file_add (fm, client.fd);
387  return 0;
388 }
389 
390 static clib_error_t *
392 {
393  clib_warning ("why am I here?");
394  return 0;
395 }
396 
397 /*
398  * vl_api_sockclnt_create_t_handler
399  */
400 void
402 {
403  vl_api_registration_t *regp;
405  int rv = 1;
406 
407  regp = socket_main.current_rp;
408 
410 
411  regp->name = format (0, "%s%c", mp->name, 0);
412 
413  rp = vl_msg_api_alloc (sizeof (*rp));
414  rp->_vl_msg_id = htons (VL_API_SOCKCLNT_CREATE_REPLY);
415  rp->handle = (uword) regp;
417  rp->context = mp->context;
418  rp->response = htonl (rv);
419 
420  vl_msg_api_send (regp, (u8 *) rp);
421 }
422 
423 /*
424  * vl_api_sockclnt_delete_t_handler
425  */
426 void
428 {
429  vl_api_registration_t *regp;
431 
433  {
435 
436  rp = vl_msg_api_alloc (sizeof (*rp));
437  rp->_vl_msg_id = htons (VL_API_SOCKCLNT_DELETE_REPLY);
438  rp->handle = mp->handle;
439  rp->response = htonl (1);
440 
441  vl_msg_api_send (regp, (u8 *) rp);
442 
444 
446  }
447  else
448  {
449  clib_warning ("unknown client ID %d", mp->index);
450  }
451 }
452 
453 static clib_error_t *
454 send_fd_msg (int socket_fd, int fd_to_share)
455 {
456  struct msghdr mh = { 0 };
457  struct iovec iov[1];
458  char ctl[CMSG_SPACE (sizeof (int))];
459  char *msg = "memfd";
460  int rv;
461 
462  iov[0].iov_base = msg;
463  iov[0].iov_len = strlen (msg);
464  mh.msg_iov = iov;
465  mh.msg_iovlen = 1;
466 
467  struct cmsghdr *cmsg;
468  memset (&ctl, 0, sizeof (ctl));
469  mh.msg_control = ctl;
470  mh.msg_controllen = sizeof (ctl);
471  cmsg = CMSG_FIRSTHDR (&mh);
472  cmsg->cmsg_len = CMSG_LEN (sizeof (int));
473  cmsg->cmsg_level = SOL_SOCKET;
474  cmsg->cmsg_type = SCM_RIGHTS;
475  memcpy (CMSG_DATA (cmsg), &fd_to_share, sizeof (int));
476 
477  rv = sendmsg (socket_fd, &mh, 0);
478  if (rv < 0)
479  return clib_error_return_unix (0, "sendmsg");
480  return 0;
481 }
482 
483 /*
484  * Create a memory-fd segment.
485  */
486 void
488 {
490  api_main_t *am = &api_main;
491  clib_file_t *cf;
492  memfd_private_t _memfd_private, *memfd = &_memfd_private;
493  vl_api_registration_t *regp;
495  svm_map_region_args_t _args, *a = &_args;
496  svm_region_t *vlib_rp;
497  int rv;
498 
500 
501  if (regp == 0)
502  {
503  clib_warning ("API client disconnected");
504  return;
505  }
506 
508  {
509  rv = -31; /* VNET_API_ERROR_INVALID_REGISTRATION */
510  goto reply;
511  }
512 
513  memset (memfd, 0, sizeof (*memfd));
514 
515  /* Embed in api_main_t */
516  memfd->memfd_size = mp->requested_size;
517  memfd->requested_va = 0ULL;
518  memfd->i_am_master = 1;
519  memfd->name = format (0, "%s%c", regp->name, 0);
520 
521  /* Set up a memfd segment of the requested size */
522  rv = memfd_master_init (memfd, mp->client_index);
523 
524  if (rv)
525  goto reply;
526 
527  /* Remember to close this fd when the socket connection goes away */
528  vec_add1 (regp->additional_fds_to_close, memfd->fd);
529 
530  /* And create a plausible svm_region in it */
531  memset (a, 0, sizeof (*a));
532  a->baseva = memfd->sh->memfd_va + MMAP_PAGESIZE;
533  a->size = memfd->memfd_size - MMAP_PAGESIZE;
534  /* $$$$ might want a different config parameter */
536  a->flags = SVM_FLAGS_MHEAP;
538 
539  vlib_rp = (svm_region_t *) a->baseva;
540 
541  /*
542  * Part deux, initialize the svm_region_t shared-memory header
543  * api allocation rings, and so on.
544  */
545  vl_init_shmem (vlib_rp, 1 /* is_vlib (dont-care) */ , 1 /* is_private */ );
546 
547  vec_add1 (am->vlib_private_rps, vlib_rp);
548 
549  memfd->sh->ready = 1;
550 
551  /* Recompute the set of input queues to poll in memclnt_process */
553 
554 reply:
555 
556  /* send the reply message */
557 
558  rmp = vl_msg_api_alloc (sizeof (*rmp));
559  rmp->_vl_msg_id = htons (VL_API_MEMFD_SEGMENT_CREATE_REPLY);
560  rmp->context = mp->context;
561  rmp->retval = htonl (rv);
562 
563  vl_msg_api_send (regp, (u8 *) rmp);
564 
565  if (rv != 0)
566  return;
567 
568  /*
569  * We need the reply message to make it out the back door
570  * before we send the magic fd message.
571  */
572  vlib_process_suspend (vm, 11e-6);
573 
574  cf = file_main.file_pool + regp->clib_file_index;
575 
576  /* send the magic "here's your sign (aka fd)" socket message */
577  send_fd_msg (cf->file_descriptor, memfd->fd);
578 }
579 
580 #define foreach_vlib_api_msg \
581 _(SOCKCLNT_CREATE, sockclnt_create) \
582 _(SOCKCLNT_DELETE, sockclnt_delete) \
583 _(MEMFD_SEGMENT_CREATE, memfd_segment_create)
584 
585 clib_error_t *
587 {
589  clib_file_t template = { 0 };
592  vl_msg_api_msg_config_t *c = &cfg;
593  socket_main_t *sm = &socket_main;
595  clib_error_t *error;
596 
597  /* If not explicitly configured, do not bind/enable, etc. */
598  if (sm->socket_name == 0)
599  return 0;
600 
601 #define _(N,n) do { \
602  c->id = VL_API_##N; \
603  c->name = #n; \
604  c->handler = vl_api_##n##_t_handler; \
605  c->cleanup = vl_noop_handler; \
606  c->endian = vl_api_##n##_t_endian; \
607  c->print = vl_api_##n##_t_print; \
608  c->size = sizeof(vl_api_##n##_t); \
609  c->traced = 1; /* trace, so these msgs print */ \
610  c->replay = 0; /* don't replay client create/delete msgs */ \
611  c->message_bounce = 0; /* don't bounce this message */ \
612  vl_msg_api_config(c);} while (0);
613 
615 #undef _
616 
617  vec_resize (sm->input_buffer, 4096);
618 
619  sock->config = (char *) sm->socket_name;
620 
621  /* mkdir of file socket, only under /run */
622  if (strncmp (sock->config, "/run", 4) == 0)
623  {
624  u8 *tmp = format (0, "%s", sock->config);
625  int i = vec_len (tmp);
626  while (i && tmp[--i] != '/')
627  ;
628 
629  tmp[i] = 0;
630 
631  if (i)
632  vlib_unix_recursive_mkdir ((char *) tmp);
633  vec_free (tmp);
634  }
635 
638  error = clib_socket_init (sock);
639  if (error)
640  return error;
641 
642  pool_get (sm->registration_pool, rp);
643  memset (rp, 0, sizeof (*rp));
644 
646 
647  template.read_function = socksvr_accept_ready;
648  template.write_function = socksvr_bogus_write;
649  template.file_descriptor = sock->fd;
650  template.private_data = rp - sm->registration_pool;
651 
652  rp->clib_file_index = clib_file_add (fm, &template);
653  return 0;
654 }
655 
656 static clib_error_t *
658 {
660  socket_main_t *sm = &socket_main;
662 
663  /* Defensive driving in case something wipes out early */
664  if (sm->registration_pool)
665  {
666  u32 index;
667  /* *INDENT-OFF* */
668  pool_foreach (rp, sm->registration_pool, ({
669  clib_file_del (fm, fm->file_pool + rp->clib_file_index);
670  index = rp->vl_api_registration_pool_index;
671  vl_free_socket_registration_index (index);
672  }));
673 /* *INDENT-ON* */
674  }
675 
676  return 0;
677 }
678 
680 
681 static clib_error_t *
683 {
684  socket_main_t *sm = &socket_main;
685 
687  {
688  if (unformat (input, "socket-name %s", &sm->socket_name))
689  ;
690  else if (unformat (input, "default"))
691  {
692  sm->socket_name = format (0, "%s%c", API_SOCKET_FILE, 0);
693  }
694  else
695  {
696  return clib_error_return (0, "unknown input '%U'",
697  format_unformat_error, input);
698  }
699  }
700  return 0;
701 }
702 
704 
705 clib_error_t *
707 {
708  return 0;
709 }
710 
712 
713 /*
714  * fd.io coding-style-patch-verification: ON
715  *
716  * Local Variables:
717  * eval: (c-set-style "gnu")
718  * End:
719  */
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:432
volatile int ** vl_api_queue_cursizes
Definition: memory_vlib.c:1183
vl_api_registration_t * regp
Definition: api_common.h:151
u64 api_pvt_heap_size
size of the api private mheap
Definition: api_common.h:297
void dump_socket_clients(vlib_main_t *vm, api_main_t *am)
Definition: socksvr_vlib.c:50
static void clib_file_del(clib_file_main_t *um, clib_file_t *f)
Definition: file.h:94
u8 * name
Client name.
Definition: api_common.h:51
static clib_error_t * socksvr_config(vlib_main_t *vm, unformat_input_t *input)
Definition: socksvr_vlib.c:682
vl_api_registration_t * registration_pool
Definition: api_common.h:167
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:337
struct msgbuf_ msgbuf_t
Message header structure.
a
Definition: bitmap.h:516
#define API_SOCKET_FILE
Definition: api_common.h:146
void vl_socket_add_pending_output_no_flush(clib_file_t *uf, vl_api_registration_t *rp, u8 *buffer, uword buffer_bytes)
Definition: socksvr_vlib.c:286
volatile u32 ready
Definition: memfd.h:70
static clib_error_t * socket_exit(vlib_main_t *vm)
Definition: socksvr_vlib.c:657
void vl_init_shmem(svm_region_t *vlib_rp, int is_vlib, int is_private_region)
void vl_socket_add_pending_output(clib_file_t *uf, vl_api_registration_t *rp, u8 *buffer, uword buffer_bytes)
Definition: socksvr_vlib.c:269
vl_socket_args_for_process_t * process_args
Definition: api_common.h:179
clib_file_t * current_uf
Definition: api_common.h:174
Message configuration definition.
Definition: api_common.h:117
u32 file_descriptor
Definition: file.h:53
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:518
clib_error_t * clib_socket_init(clib_socket_t *s)
Definition: socket.c:376
u8 data[0]
actual message begins here
Definition: api_common.h:139
uword requested_va
Definition: memfd.h:83
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
#define pool_is_free(P, E)
Use free bitmap to query whether given element is free.
Definition: pool.h:260
#define pool_get(P, E)
Allocate an object E from a pool P (unspecified alignment).
Definition: pool.h:225
trace_cfg_t * api_trace_cfg
Current trace configuration.
Definition: api_common.h:245
u8 * name
Definition: memfd.h:87
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
#define MMAP_PAGESIZE
Definition: memfd.h:44
#define vec_add(V, E, N)
Add N elements to end of vector V (no header, unspecified alignment)
Definition: vec.h:595
#define CLIB_SOCKET_F_IS_SERVER
Definition: socket.h:58
clib_file_t * file_pool
Definition: file.h:76
static uword vlib_process_suspend(vlib_main_t *vm, f64 dt)
Suspend a vlib cooperative multi-tasking thread for a period of time.
Definition: node_funcs.h:448
u32 clib_file_index
Socket only: file index.
Definition: api_common.h:64
i8 * input_buffer
Definition: api_common.h:176
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:438
static clib_error_t * socksvr_bogus_write(clib_file_t *uf)
Definition: socksvr_vlib.c:391
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:111
u64 memfd_size
Definition: memfd.h:80
char i8
Definition: types.h:45
void vl_free_socket_registration_index(u32 pool_index)
Definition: socksvr_vlib.c:119
#define clib_error_return(e, args...)
Definition: error.h:99
clib_file_main_t file_main
Definition: main.c:63
#define vec_resize(V, N)
Resize a vector (no header, unspecified alignment) Add N elements to end of given vector V...
Definition: vec.h:237
u8 * socket_name
Definition: api_common.h:158
void vl_socket_api_send(vl_api_registration_t *rp, u8 *elem)
Definition: socksvr_vlib.c:79
#define SOCKET_READ_EVENT
Definition: api_common.h:144
void * vl_msg_api_alloc(int nbytes)
int memfd_master_init(memfd_private_t *memfd, u32 master_index)
Definition: memfd.c:18
vl_registration_type_t registration_type
type
Definition: api_common.h:46
static clib_error_t * socksvr_accept_ready(clib_file_t *uf)
Definition: socksvr_vlib.c:373
#define SVM_FLAGS_MHEAP
Definition: svm_common.h:27
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:459
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:950
clib_error_t * clib_socket_accept(clib_socket_t *server, clib_socket_t *client)
Definition: socket.c:514
struct _unformat_input_t unformat_input_t
#define clib_error_return_unix(e, args...)
Definition: error.h:102
void vl_msg_api_free(void *)
#define pool_put(P, E)
Free an object E in pool P.
Definition: pool.h:271
vlib_node_registration_t memclnt_node
(constructor) VLIB_REGISTER_NODE (memclnt_node)
Definition: memory_vlib.c:1102
int i_am_master
Definition: memfd.h:84
#define vec_dup(V)
Return copy of vector (no header, no alignment)
Definition: vec.h:370
svm_region_t ** vlib_private_rps
Vector of all mapped shared-VM segments.
Definition: api_common.h:257
u32 flags
Definition: file.h:55
#define VLIB_CONFIG_FUNCTION(x, n,...)
Definition: init.h:119
void socksvr_file_add(clib_file_main_t *fm, int fd)
Definition: socksvr_vlib.c:353
void(* file_update)(clib_file_t *file, clib_file_update_type_t update_type)
Definition: file.h:78
void svm_region_init_mapped_region(svm_map_region_args_t *a, svm_region_t *rp)
Definition: svm.c:438
void vl_msg_api_socket_handler(void *the_msg)
Definition: api_shared.c:643
static clib_error_t * send_fd_msg(int socket_fd, int fd_to_share)
Definition: socksvr_vlib.c:454
API main structure, used by both vpp and binary API clients.
Definition: api_common.h:198
socket_main_t socket_main
Definition: memory_shared.c:42
An API client registration, only in vpp/vlib.
Definition: api_common.h:44
memfd_shared_header_t * sh
Definition: memfd.h:78
api_main_t api_main
Definition: api_shared.c:35
#define UNFORMAT_END_OF_INPUT
Definition: format.h:143
svmdb_client_t * c
void vl_api_socket_process_msg(clib_file_t *uf, vl_api_registration_t *rp, i8 *input_v)
Definition: socksvr_vlib.c:143
vlib_main_t * vm
Definition: buffer.c:283
void vl_api_sockclnt_create_t_handler(vl_api_sockclnt_create_t *mp)
Definition: socksvr_vlib.c:401
clib_socket_t socksvr_listen_socket
Definition: api_common.h:182
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:336
#define foreach_vlib_api_msg
Definition: socksvr_vlib.c:580
#define VLIB_MAIN_LOOP_EXIT_FUNCTION(x)
Definition: init.h:116
#define clib_warning(format, args...)
Definition: error.h:59
clib_error_t * vlibsocket_init(vlib_main_t *vm)
Definition: socksvr_vlib.c:706
#define clib_memcpy(a, b, c)
Definition: string.h:75
u8 * output_vector
Socket only: output vecto.
Definition: api_common.h:67
#define pool_is_free_index(P, I)
Use free bitmap to query whether given index is free.
Definition: pool.h:268
int * additional_fds_to_close
Definition: api_common.h:68
#define ASSERT(truth)
unsigned int u32
Definition: types.h:88
clib_error_t * vl_socket_write_ready(clib_file_t *uf)
Definition: socksvr_vlib.c:310
#define vec_delete(V, N, M)
Delete N elements starting at element M.
Definition: vec.h:781
static uword clib_file_add(clib_file_main_t *um, clib_file_t *template)
Definition: file.h:84
u32 data_len
message length not including header
Definition: api_common.h:137
Message header structure.
Definition: api_common.h:134
#define vec_append(v1, v2)
Append v2 after v1.
Definition: vec.h:815
struct _socket_t clib_socket_t
#define UNIX_FILE_DATA_AVAILABLE_TO_WRITE
Definition: file.h:56
i8 * unprocessed_input
Socket only: pending input.
Definition: api_common.h:65
clib_error_t * vl_socket_read_ready(clib_file_t *uf)
Definition: socksvr_vlib.c:157
vl_api_registration_t * current_rp
Definition: api_common.h:173
#define CLIB_SOCKET_F_SEQPACKET
Definition: socket.h:63
static void socket_del_pending_output(clib_file_t *uf, vl_api_registration_t *rp, uword n_bytes)
Definition: socksvr_vlib.c:294
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
clib_error_t * vl_socket_error_ready(clib_file_t *uf)
Definition: socksvr_vlib.c:340
u64 uword
Definition: types.h:112
clib_error_t * vlib_unix_recursive_mkdir(char *path)
Definition: util.c:102
unsigned short u16
Definition: types.h:57
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
unsigned char u8
Definition: types.h:56
#define clib_unix_warning(format, args...)
Definition: error.h:68
u32 vl_api_registration_pool_index
Index in VLIB&#39;s brain (not shared memory).
Definition: api_common.h:49
void vl_api_memfd_segment_create_t_handler(vl_api_memfd_segment_create_t *mp)
Definition: socksvr_vlib.c:487
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
clib_error_t * socksvr_api_init(vlib_main_t *vm)
Definition: socksvr_vlib.c:586
uword private_data
Definition: file.h:60
vl_api_registration_t * vl_api_client_index_to_registration(u32 index)
Definition: file.h:50
#define CLIB_SOCKET_F_ALLOW_GROUP_WRITE
Definition: socket.h:62
Shared memory connection.
Definition: api_common.h:36
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:680
void vl_msg_api_send(vl_api_registration_t *rp, u8 *elem)
Definition: memory_vlib.c:102
void vl_api_sockclnt_delete_t_handler(vl_api_sockclnt_delete_t *mp)
Definition: socksvr_vlib.c:427
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:169
static uword pool_elts(void *v)
Number of active elements in a pool.
Definition: pool.h:128