Line data Source code
1 : /*
2 : * Copyright (c) 2015-2019 Cisco and/or its affiliates.
3 : * Licensed under the Apache License, Version 2.0 (the "License");
4 : * you may not use this file except in compliance with the License.
5 : * You may obtain a copy of the License at:
6 : *
7 : * http://www.apache.org/licenses/LICENSE-2.0
8 : *
9 : * Unless required by applicable law or agreed to in writing, software
10 : * distributed under the License is distributed on an "AS IS" BASIS,
11 : * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 : * See the License for the specific language governing permissions and
13 : * limitations under the License.
14 : */
15 :
16 : #include <vnet/vnet.h>
17 : #include <vlibmemory/api.h>
18 : #include <vnet/session/application.h>
19 : #include <vnet/session/application_interface.h>
20 : #include <vnet/session/application_local.h>
21 : #include <vnet/session/session_rules_table.h>
22 : #include <vnet/session/session_table.h>
23 : #include <vnet/session/session.h>
24 : #include <vnet/ip/ip_types_api.h>
25 :
26 : #include <vnet/format_fns.h>
27 : #include <vnet/session/session.api_enum.h>
28 : #include <vnet/session/session.api_types.h>
29 :
30 : #define REPLY_MSG_ID_BASE session_main.msg_id_base
31 : #include <vlibapi/api_helper_macros.h>
32 :
33 : static transport_proto_t
34 0 : api_session_transport_proto_decode (const vl_api_transport_proto_t * api_tp)
35 : {
36 0 : switch (*api_tp)
37 : {
38 0 : case TRANSPORT_PROTO_API_TCP:
39 0 : return TRANSPORT_PROTO_TCP;
40 0 : case TRANSPORT_PROTO_API_UDP:
41 0 : return TRANSPORT_PROTO_UDP;
42 0 : case TRANSPORT_PROTO_API_TLS:
43 0 : return TRANSPORT_PROTO_TLS;
44 0 : case TRANSPORT_PROTO_API_QUIC:
45 0 : return TRANSPORT_PROTO_QUIC;
46 0 : default:
47 0 : return TRANSPORT_PROTO_NONE;
48 : }
49 : }
50 :
51 : static vl_api_transport_proto_t
52 0 : api_session_transport_proto_encode (const transport_proto_t tp)
53 : {
54 0 : switch (tp)
55 : {
56 0 : case TRANSPORT_PROTO_TCP:
57 0 : return TRANSPORT_PROTO_API_TCP;
58 0 : case TRANSPORT_PROTO_UDP:
59 0 : return TRANSPORT_PROTO_API_UDP;
60 0 : case TRANSPORT_PROTO_TLS:
61 0 : return TRANSPORT_PROTO_API_TLS;
62 0 : case TRANSPORT_PROTO_QUIC:
63 0 : return TRANSPORT_PROTO_API_QUIC;
64 0 : default:
65 0 : return TRANSPORT_PROTO_API_NONE;
66 : }
67 : }
68 :
69 : static int
70 42 : session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds)
71 : {
72 : clib_error_t *error;
73 42 : if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
74 0 : return SESSION_E_BAPI_NO_FD;
75 42 : error = vl_api_send_fd_msg (reg, fds, n_fds);
76 42 : if (error)
77 : {
78 0 : clib_error_report (error);
79 0 : return SESSION_E_BAPI_SEND_FD;
80 : }
81 42 : return 0;
82 : }
83 :
84 : static int
85 47 : mq_send_session_accepted_cb (session_t * s)
86 : {
87 47 : app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
88 47 : session_accepted_msg_t m = { 0 };
89 : fifo_segment_t *eq_seg;
90 : session_t *listener;
91 : application_t *app;
92 :
93 47 : app = application_get (app_wrk->app_index);
94 :
95 47 : m.context = app->app_index;
96 47 : m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
97 47 : m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
98 47 : m.segment_handle = session_segment_handle (s);
99 47 : m.flags = s->flags;
100 :
101 47 : eq_seg = application_get_rx_mqs_segment (app);
102 :
103 47 : if (session_has_transport (s))
104 : {
105 35 : listener = listen_session_get_from_handle (s->listener_handle);
106 35 : m.listener_handle = app_listen_session_handle (listener);
107 35 : if (application_is_proxy (app))
108 : {
109 : listener =
110 0 : app_worker_first_listener (app_wrk, session_get_fib_proto (s),
111 0 : session_get_transport_proto (s));
112 0 : if (listener)
113 0 : m.listener_handle = listen_session_get_handle (listener);
114 : }
115 35 : m.vpp_event_queue_address =
116 35 : fifo_segment_msg_q_offset (eq_seg, s->thread_index);
117 35 : m.mq_index = s->thread_index;
118 35 : m.handle = session_handle (s);
119 :
120 35 : session_get_endpoint (s, &m.rmt, 0 /* is_lcl */);
121 35 : session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
122 : }
123 : else
124 : {
125 : ct_connection_t *ct;
126 :
127 12 : ct = (ct_connection_t *) session_get_transport (s);
128 12 : listener = listen_session_get_from_handle (s->listener_handle);
129 12 : m.listener_handle = app_listen_session_handle (listener);
130 12 : m.rmt.is_ip4 = session_type_is_ip4 (listener->session_type);
131 12 : m.rmt.port = ct->c_rmt_port;
132 12 : m.lcl.port = ct->c_lcl_port;
133 12 : m.handle = session_handle (s);
134 12 : m.vpp_event_queue_address =
135 12 : fifo_segment_msg_q_offset (eq_seg, s->thread_index);
136 12 : m.mq_index = s->thread_index;
137 : }
138 :
139 47 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_ACCEPTED, &m, sizeof (m));
140 :
141 47 : return 0;
142 : }
143 :
144 : static inline void
145 38 : mq_send_session_close_evt (app_worker_t * app_wrk, session_handle_t sh,
146 : session_evt_type_t evt_type)
147 : {
148 38 : session_disconnected_msg_t m = { 0 };
149 :
150 38 : m.handle = sh;
151 38 : m.context = app_wrk->api_client_index;
152 :
153 38 : app_wrk_send_ctrl_evt (app_wrk, evt_type, &m, sizeof (m));
154 38 : }
155 :
156 : static inline void
157 0 : mq_notify_close_subscribers (u32 app_index, session_handle_t sh,
158 : svm_fifo_t * f, session_evt_type_t evt_type)
159 : {
160 : app_worker_t *app_wrk;
161 : application_t *app;
162 : int i;
163 :
164 0 : app = application_get (app_index);
165 0 : if (!app)
166 0 : return;
167 :
168 0 : for (i = 0; i < f->shr->n_subscribers; i++)
169 : {
170 0 : if (!(app_wrk = application_get_worker (app, f->shr->subscribers[i])))
171 0 : continue;
172 0 : mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_DISCONNECTED);
173 : }
174 : }
175 :
176 : static void
177 33 : mq_send_session_disconnected_cb (session_t * s)
178 : {
179 33 : app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
180 33 : session_handle_t sh = session_handle (s);
181 :
182 33 : mq_send_session_close_evt (app_wrk, session_handle (s),
183 : SESSION_CTRL_EVT_DISCONNECTED);
184 :
185 33 : if (svm_fifo_n_subscribers (s->rx_fifo))
186 0 : mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
187 : SESSION_CTRL_EVT_DISCONNECTED);
188 33 : }
189 :
190 : static void
191 5 : mq_send_session_reset_cb (session_t * s)
192 : {
193 5 : app_worker_t *app_wrk = app_worker_get (s->app_wrk_index);
194 5 : session_handle_t sh = session_handle (s);
195 :
196 5 : mq_send_session_close_evt (app_wrk, sh, SESSION_CTRL_EVT_RESET);
197 :
198 5 : if (svm_fifo_n_subscribers (s->rx_fifo))
199 0 : mq_notify_close_subscribers (app_wrk->app_index, sh, s->rx_fifo,
200 : SESSION_CTRL_EVT_RESET);
201 5 : }
202 :
203 : int
204 51 : mq_send_session_connected_cb (u32 app_wrk_index, u32 api_context,
205 : session_t * s, session_error_t err)
206 : {
207 51 : session_connected_msg_t m = { 0 };
208 : transport_connection_t *tc;
209 : fifo_segment_t *eq_seg;
210 : app_worker_t *app_wrk;
211 : application_t *app;
212 :
213 51 : app_wrk = app_worker_get (app_wrk_index);
214 :
215 51 : m.context = api_context;
216 51 : m.retval = err;
217 :
218 51 : if (err)
219 0 : goto snd_msg;
220 :
221 51 : app = application_get (app_wrk->app_index);
222 51 : eq_seg = application_get_rx_mqs_segment (app);
223 :
224 51 : if (session_has_transport (s))
225 : {
226 39 : tc = session_get_transport (s);
227 39 : if (!tc)
228 : {
229 0 : clib_warning ("failed to retrieve transport!");
230 0 : m.retval = SESSION_E_REFUSED;
231 0 : goto snd_msg;
232 : }
233 :
234 39 : m.handle = session_handle (s);
235 39 : m.vpp_event_queue_address =
236 39 : fifo_segment_msg_q_offset (eq_seg, s->thread_index);
237 :
238 39 : session_get_endpoint (s, &m.lcl, 1 /* is_lcl */);
239 :
240 39 : m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
241 39 : m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
242 39 : m.segment_handle = session_segment_handle (s);
243 39 : m.mq_index = s->thread_index;
244 : }
245 : else
246 : {
247 : ct_connection_t *cct;
248 : session_t *ss;
249 :
250 12 : cct = (ct_connection_t *) session_get_transport (s);
251 12 : m.handle = session_handle (s);
252 12 : m.lcl.port = cct->c_lcl_port;
253 12 : m.lcl.is_ip4 = cct->c_is_ip4;
254 12 : m.vpp_event_queue_address =
255 12 : fifo_segment_msg_q_offset (eq_seg, s->thread_index);
256 12 : m.server_rx_fifo = fifo_segment_fifo_offset (s->rx_fifo);
257 12 : m.server_tx_fifo = fifo_segment_fifo_offset (s->tx_fifo);
258 12 : m.segment_handle = session_segment_handle (s);
259 12 : ss = ct_session_get_peer (s);
260 12 : m.ct_rx_fifo = fifo_segment_fifo_offset (ss->tx_fifo);
261 12 : m.ct_tx_fifo = fifo_segment_fifo_offset (ss->rx_fifo);
262 12 : m.ct_segment_handle = session_segment_handle (ss);
263 12 : m.mq_index = s->thread_index;
264 : }
265 :
266 : /* Setup client session index in advance, in case data arrives
267 : * before the app processes message and updates it */
268 51 : s->rx_fifo->shr->client_session_index = api_context;
269 51 : s->tx_fifo->shr->client_session_index = api_context;
270 :
271 51 : snd_msg:
272 :
273 51 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_CONNECTED, &m, sizeof (m));
274 :
275 51 : return 0;
276 : }
277 :
278 : int
279 43 : mq_send_session_bound_cb (u32 app_wrk_index, u32 api_context,
280 : session_handle_t handle, int rv)
281 : {
282 43 : session_bound_msg_t m = { 0 };
283 : transport_endpoint_t tep;
284 : fifo_segment_t *eq_seg;
285 : app_worker_t *app_wrk;
286 : application_t *app;
287 : app_listener_t *al;
288 43 : session_t *ls = 0;
289 :
290 43 : app_wrk = app_worker_get (app_wrk_index);
291 :
292 43 : m.context = api_context;
293 43 : m.retval = rv;
294 :
295 43 : if (rv)
296 0 : goto snd_msg;
297 :
298 43 : m.handle = handle;
299 43 : al = app_listener_get_w_handle (handle);
300 43 : if (al->session_index != SESSION_INVALID_INDEX)
301 31 : ls = app_listener_get_session (al);
302 : else
303 12 : ls = app_listener_get_local_session (al);
304 :
305 43 : session_get_endpoint (ls, &tep, 1 /* is_lcl */);
306 43 : m.lcl_port = tep.port;
307 43 : m.lcl_is_ip4 = tep.is_ip4;
308 43 : clib_memcpy_fast (m.lcl_ip, &tep.ip, sizeof (tep.ip));
309 43 : app = application_get (app_wrk->app_index);
310 43 : eq_seg = application_get_rx_mqs_segment (app);
311 43 : m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, ls->thread_index);
312 43 : m.mq_index = ls->thread_index;
313 :
314 43 : if (session_transport_service_type (ls) == TRANSPORT_SERVICE_CL &&
315 3 : ls->rx_fifo)
316 : {
317 3 : m.mq_index = transport_cl_thread ();
318 3 : m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, m.mq_index);
319 3 : m.rx_fifo = fifo_segment_fifo_offset (ls->rx_fifo);
320 3 : m.tx_fifo = fifo_segment_fifo_offset (ls->tx_fifo);
321 3 : m.segment_handle = session_segment_handle (ls);
322 : }
323 :
324 40 : snd_msg:
325 :
326 43 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_BOUND, &m, sizeof (m));
327 :
328 43 : return 0;
329 : }
330 :
331 : void
332 24 : mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh,
333 : u32 context, int rv)
334 : {
335 24 : session_unlisten_reply_msg_t m = { 0 };
336 :
337 24 : m.context = context;
338 24 : m.handle = sh;
339 24 : m.retval = rv;
340 24 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_UNLISTEN_REPLY, &m,
341 : sizeof (m));
342 24 : }
343 :
344 : static void
345 0 : mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh)
346 : {
347 0 : session_migrated_msg_t m = { 0 };
348 : fifo_segment_t *eq_seg;
349 : app_worker_t *app_wrk;
350 : application_t *app;
351 : u32 thread_index;
352 :
353 0 : thread_index = session_thread_from_handle (new_sh);
354 0 : app_wrk = app_worker_get (s->app_wrk_index);
355 0 : app = application_get (app_wrk->app_index);
356 0 : eq_seg = application_get_rx_mqs_segment (app);
357 :
358 0 : m.handle = session_handle (s);
359 0 : m.new_handle = new_sh;
360 0 : m.vpp_thread_index = thread_index;
361 0 : m.vpp_evt_q = fifo_segment_msg_q_offset (eq_seg, thread_index);
362 0 : m.segment_handle = SESSION_INVALID_HANDLE;
363 :
364 0 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_MIGRATED, &m, sizeof (m));
365 0 : }
366 :
367 : static int
368 31 : mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle)
369 : {
370 31 : session_app_add_segment_msg_t m = { 0 };
371 : vl_api_registration_t *reg;
372 : app_worker_t *app_wrk;
373 : fifo_segment_t *fs;
374 : ssvm_private_t *sp;
375 31 : u8 fd_flags = 0;
376 :
377 31 : app_wrk = app_worker_get (app_wrk_index);
378 :
379 31 : reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
380 31 : if (!reg)
381 : {
382 0 : clib_warning ("no api registration for client: %u",
383 : app_wrk->api_client_index);
384 0 : return -1;
385 : }
386 :
387 31 : fs = segment_manager_get_segment_w_handle (segment_handle);
388 31 : sp = &fs->ssvm;
389 31 : if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD)
390 : {
391 31 : if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
392 : {
393 0 : clib_warning ("can't send memfd fd");
394 0 : return -1;
395 : }
396 :
397 31 : fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
398 : }
399 :
400 31 : m.segment_size = sp->ssvm_size;
401 31 : m.fd_flags = fd_flags;
402 31 : m.segment_handle = segment_handle;
403 31 : strncpy ((char *) m.segment_name, (char *) sp->name,
404 : sizeof (m.segment_name) - 1);
405 :
406 31 : app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
407 : sizeof (m), sp->fd);
408 :
409 31 : return 0;
410 : }
411 :
412 : static int
413 5 : mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle)
414 : {
415 5 : session_app_del_segment_msg_t m = { 0 };
416 : vl_api_registration_t *reg;
417 : app_worker_t *app_wrk;
418 :
419 5 : app_wrk = app_worker_get (app_wrk_index);
420 5 : reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index);
421 5 : if (!reg)
422 : {
423 0 : clib_warning ("no registration: %u", app_wrk->api_client_index);
424 0 : return -1;
425 : }
426 :
427 5 : m.segment_handle = segment_handle;
428 :
429 5 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
430 : sizeof (m));
431 :
432 5 : return 0;
433 : }
434 :
435 : static void
436 74 : mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf)
437 : {
438 74 : session_cleanup_msg_t m = { 0 };
439 : app_worker_t *app_wrk;
440 :
441 : /* Propagate transport cleanup notifications only if app didn't close */
442 74 : if (ntf == SESSION_CLEANUP_TRANSPORT
443 37 : && s->session_state != SESSION_STATE_TRANSPORT_DELETED)
444 33 : return;
445 :
446 41 : app_wrk = app_worker_get_if_valid (s->app_wrk_index);
447 41 : if (!app_wrk)
448 0 : return;
449 :
450 41 : m.handle = session_handle (s);
451 41 : m.type = ntf;
452 :
453 41 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_CLEANUP, &m, sizeof (m));
454 : }
455 :
456 : static session_cb_vft_t session_mq_cb_vft = {
457 : .session_accept_callback = mq_send_session_accepted_cb,
458 : .session_disconnect_callback = mq_send_session_disconnected_cb,
459 : .session_connected_callback = mq_send_session_connected_cb,
460 : .session_reset_callback = mq_send_session_reset_cb,
461 : .session_migrate_callback = mq_send_session_migrate_cb,
462 : .session_cleanup_callback = mq_send_session_cleanup_cb,
463 : .add_segment_callback = mq_send_add_segment_cb,
464 : .del_segment_callback = mq_send_del_segment_cb,
465 : };
466 :
467 : static void
468 75 : vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp)
469 : {
470 : vl_api_session_enable_disable_reply_t *rmp;
471 75 : vlib_main_t *vm = vlib_get_main ();
472 75 : int rv = 0;
473 :
474 75 : vnet_session_enable_disable (vm, mp->is_enable);
475 75 : REPLY_MACRO (VL_API_SESSION_ENABLE_DISABLE_REPLY);
476 : }
477 :
478 : static void
479 0 : vl_api_session_sapi_enable_disable_t_handler (
480 : vl_api_session_sapi_enable_disable_t *mp)
481 : {
482 : vl_api_session_sapi_enable_disable_reply_t *rmp;
483 0 : int rv = 0;
484 :
485 0 : rv = appns_sapi_enable_disable (mp->is_enable);
486 0 : REPLY_MACRO (VL_API_SESSION_SAPI_ENABLE_DISABLE_REPLY);
487 : }
488 :
489 : static void
490 42 : vl_api_app_attach_t_handler (vl_api_app_attach_t * mp)
491 : {
492 42 : int rv = 0, *fds = 0, n_fds = 0, n_workers, i;
493 42 : fifo_segment_t *segp, *rx_mqs_seg = 0;
494 42 : vnet_app_attach_args_t _a, *a = &_a;
495 : vl_api_app_attach_reply_t *rmp;
496 42 : u8 fd_flags = 0, ctrl_thread;
497 : vl_api_registration_t *reg;
498 : svm_msg_q_t *rx_mq;
499 : application_t *app;
500 :
501 42 : reg = vl_api_client_index_to_registration (mp->client_index);
502 42 : if (!reg)
503 0 : return;
504 :
505 42 : n_workers = vlib_num_workers ();
506 42 : if (!session_main_is_enabled () || appns_sapi_enabled ())
507 : {
508 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
509 0 : goto done;
510 : }
511 : /* Only support binary api with socket transport */
512 42 : if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI)
513 : {
514 0 : rv = VNET_API_ERROR_APP_UNSUPPORTED_CFG;
515 0 : goto done;
516 : }
517 :
518 : STATIC_ASSERT (sizeof (u64) * APP_OPTIONS_N_OPTIONS <=
519 : sizeof (mp->options),
520 : "Out of options, fix api message definition");
521 :
522 42 : clib_memset (a, 0, sizeof (*a));
523 42 : a->api_client_index = mp->client_index;
524 42 : a->options = mp->options;
525 42 : a->session_cb_vft = &session_mq_cb_vft;
526 42 : a->namespace_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
527 :
528 42 : if ((rv = vnet_application_attach (a)))
529 : {
530 0 : clib_warning ("attach returned: %d", rv);
531 0 : vec_free (a->namespace_id);
532 0 : goto done;
533 : }
534 42 : vec_free (a->namespace_id);
535 :
536 42 : vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
537 :
538 : /* Send rx mqs segment */
539 42 : app = application_get (a->app_index);
540 42 : rx_mqs_seg = application_get_rx_mqs_segment (app);
541 :
542 42 : fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
543 42 : fds[n_fds] = rx_mqs_seg->ssvm.fd;
544 42 : n_fds += 1;
545 :
546 : /* Send fifo segment fd if needed */
547 42 : if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
548 : {
549 42 : fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
550 42 : fds[n_fds] = a->segment->fd;
551 42 : n_fds += 1;
552 : }
553 42 : if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
554 : {
555 0 : fd_flags |= SESSION_FD_F_MQ_EVENTFD;
556 0 : fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
557 0 : n_fds += 1;
558 : }
559 :
560 42 : if (application_use_private_rx_mqs ())
561 : {
562 0 : fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
563 0 : for (i = 0; i < n_workers + 1; i++)
564 : {
565 0 : rx_mq = application_rx_mq_get (app, i);
566 0 : fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
567 0 : n_fds += 1;
568 : }
569 : }
570 :
571 42 : done:
572 : /* *INDENT-OFF* */
573 42 : REPLY_MACRO3 (
574 : VL_API_APP_ATTACH_REPLY,
575 : ((!rv) ? vec_len (((fifo_segment_t *) a->segment)->ssvm.name) : 0), ({
576 : if (!rv)
577 : {
578 : ctrl_thread = n_workers ? 1 : 0;
579 : segp = (fifo_segment_t *) a->segment;
580 : rmp->app_index = clib_host_to_net_u32 (a->app_index);
581 : rmp->app_mq = fifo_segment_msg_q_offset (segp, 0);
582 : rmp->vpp_ctrl_mq =
583 : fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
584 : rmp->vpp_ctrl_mq_thread = ctrl_thread;
585 : rmp->n_fds = n_fds;
586 : rmp->fd_flags = fd_flags;
587 : if (vec_len (segp->ssvm.name))
588 : {
589 : vl_api_vec_to_api_string (segp->ssvm.name, &rmp->segment_name);
590 : }
591 : rmp->segment_size = segp->ssvm.ssvm_size;
592 : rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle);
593 : }
594 : }));
595 : /* *INDENT-ON* */
596 :
597 42 : if (n_fds)
598 42 : session_send_fds (reg, fds, n_fds);
599 42 : vec_free (fds);
600 : }
601 :
602 : static void
603 11 : vl_api_app_worker_add_del_t_handler (vl_api_app_worker_add_del_t * mp)
604 : {
605 11 : int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
606 : vl_api_app_worker_add_del_reply_t *rmp;
607 : vl_api_registration_t *reg;
608 : application_t *app;
609 11 : u8 fd_flags = 0;
610 :
611 11 : if (!session_main_is_enabled () || appns_sapi_enabled ())
612 : {
613 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
614 0 : goto done;
615 : }
616 :
617 11 : reg = vl_api_client_index_to_registration (mp->client_index);
618 11 : if (!reg)
619 0 : return;
620 :
621 11 : app = application_get_if_valid (clib_net_to_host_u32 (mp->app_index));
622 11 : if (!app)
623 : {
624 0 : rv = VNET_API_ERROR_INVALID_VALUE;
625 0 : goto done;
626 : }
627 :
628 22 : vnet_app_worker_add_del_args_t args = {
629 11 : .app_index = app->app_index,
630 11 : .wrk_map_index = clib_net_to_host_u32 (mp->wrk_index),
631 11 : .api_client_index = mp->client_index,
632 11 : .is_add = mp->is_add
633 : };
634 11 : rv = vnet_app_worker_add_del (&args);
635 11 : if (rv)
636 : {
637 0 : clib_warning ("app worker add/del returned: %d", rv);
638 0 : goto done;
639 : }
640 :
641 11 : if (!mp->is_add)
642 11 : goto done;
643 :
644 : /* Send fifo segment fd if needed */
645 0 : if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
646 : {
647 0 : fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
648 0 : fds[n_fds] = args.segment->fd;
649 0 : n_fds += 1;
650 : }
651 0 : if (application_segment_manager_properties (app)->use_mq_eventfd)
652 : {
653 0 : fd_flags |= SESSION_FD_F_MQ_EVENTFD;
654 0 : fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
655 0 : n_fds += 1;
656 : }
657 :
658 : /* *INDENT-OFF* */
659 0 : done:
660 11 : REPLY_MACRO3 (
661 : VL_API_APP_WORKER_ADD_DEL_REPLY,
662 : ((!rv && mp->is_add) ? vec_len (args.segment->name) : 0), ({
663 : rmp->is_add = mp->is_add;
664 : rmp->wrk_index = clib_host_to_net_u32 (args.wrk_map_index);
665 : rmp->segment_handle = clib_host_to_net_u64 (args.segment_handle);
666 : if (!rv && mp->is_add)
667 : {
668 : rmp->app_event_queue_address =
669 : fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
670 : rmp->n_fds = n_fds;
671 : rmp->fd_flags = fd_flags;
672 : if (vec_len (args.segment->name))
673 : {
674 : vl_api_vec_to_api_string (args.segment->name,
675 : &rmp->segment_name);
676 : }
677 : }
678 : }));
679 : /* *INDENT-ON* */
680 :
681 11 : if (n_fds)
682 0 : session_send_fds (reg, fds, n_fds);
683 : }
684 :
685 : static void
686 0 : vl_api_application_detach_t_handler (vl_api_application_detach_t * mp)
687 : {
688 : vl_api_application_detach_reply_t *rmp;
689 0 : int rv = VNET_API_ERROR_INVALID_VALUE_2;
690 0 : vnet_app_detach_args_t _a, *a = &_a;
691 : application_t *app;
692 :
693 0 : if (!session_main_is_enabled () || appns_sapi_enabled ())
694 : {
695 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
696 0 : goto done;
697 : }
698 :
699 0 : app = application_lookup (mp->client_index);
700 0 : if (app)
701 : {
702 0 : a->app_index = app->app_index;
703 0 : a->api_client_index = mp->client_index;
704 0 : rv = vnet_application_detach (a);
705 : }
706 :
707 0 : done:
708 0 : REPLY_MACRO (VL_API_APPLICATION_DETACH_REPLY);
709 : }
710 :
711 : static void
712 0 : vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp)
713 : {
714 : vl_api_app_namespace_add_del_reply_t *rmp;
715 0 : u32 appns_index = 0;
716 0 : u8 *ns_id = 0;
717 0 : int rv = 0;
718 0 : if (session_main_is_enabled () == 0)
719 : {
720 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
721 0 : goto done;
722 : }
723 :
724 0 : ns_id = vl_api_from_api_to_new_vec (mp, &mp->namespace_id);
725 :
726 0 : vnet_app_namespace_add_del_args_t args = {
727 : .ns_id = ns_id,
728 : .sock_name = 0,
729 0 : .secret = clib_net_to_host_u64 (mp->secret),
730 0 : .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
731 0 : .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
732 0 : .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
733 : .is_add = 1
734 : };
735 0 : rv = vnet_app_namespace_add_del (&args);
736 0 : if (!rv)
737 : {
738 0 : appns_index = app_namespace_index_from_id (ns_id);
739 0 : if (appns_index == APP_NAMESPACE_INVALID_INDEX)
740 : {
741 0 : clib_warning ("app ns lookup failed");
742 0 : rv = VNET_API_ERROR_UNSPECIFIED;
743 : }
744 : }
745 0 : vec_free (ns_id);
746 :
747 : /* *INDENT-OFF* */
748 0 : done:
749 0 : REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_REPLY, ({
750 : if (!rv)
751 : rmp->appns_index = clib_host_to_net_u32 (appns_index);
752 : }));
753 : /* *INDENT-ON* */
754 : }
755 :
756 : static void
757 0 : vl_api_app_namespace_add_del_v2_t_handler (
758 : vl_api_app_namespace_add_del_v2_t *mp)
759 : {
760 : vl_api_app_namespace_add_del_v2_reply_t *rmp;
761 0 : u8 *ns_id = 0;
762 0 : u32 appns_index = 0;
763 0 : int rv = 0;
764 :
765 0 : if (session_main_is_enabled () == 0)
766 : {
767 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
768 0 : goto done;
769 : }
770 :
771 0 : mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
772 0 : ns_id = format (0, "%s", &mp->namespace_id);
773 :
774 0 : vnet_app_namespace_add_del_args_t args = {
775 : .ns_id = ns_id,
776 : .sock_name = 0,
777 0 : .secret = clib_net_to_host_u64 (mp->secret),
778 0 : .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
779 0 : .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
780 0 : .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
781 : .is_add = 1
782 : };
783 0 : rv = vnet_app_namespace_add_del (&args);
784 0 : if (!rv)
785 : {
786 0 : appns_index = app_namespace_index_from_id (ns_id);
787 0 : if (appns_index == APP_NAMESPACE_INVALID_INDEX)
788 : {
789 0 : clib_warning ("app ns lookup failed id:%s", ns_id);
790 0 : rv = VNET_API_ERROR_UNSPECIFIED;
791 : }
792 : }
793 0 : vec_free (ns_id);
794 :
795 0 : done:
796 0 : REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V2_REPLY, ({
797 : if (!rv)
798 : rmp->appns_index = clib_host_to_net_u32 (appns_index);
799 : }));
800 : }
801 :
802 : static void
803 42 : vl_api_app_namespace_add_del_v4_t_handler (
804 : vl_api_app_namespace_add_del_v4_t *mp)
805 : {
806 : vl_api_app_namespace_add_del_v4_reply_t *rmp;
807 42 : u8 *ns_id = 0, *sock_name = 0;
808 42 : u32 appns_index = 0;
809 42 : int rv = 0;
810 42 : if (session_main_is_enabled () == 0)
811 : {
812 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
813 0 : goto done;
814 : }
815 42 : mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
816 42 : ns_id = format (0, "%s", &mp->namespace_id);
817 42 : sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
818 210 : vnet_app_namespace_add_del_args_t args = {
819 : .ns_id = ns_id,
820 : .sock_name = sock_name,
821 42 : .secret = clib_net_to_host_u64 (mp->secret),
822 42 : .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
823 42 : .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
824 42 : .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
825 42 : .is_add = mp->is_add,
826 : };
827 42 : rv = vnet_app_namespace_add_del (&args);
828 42 : if (!rv && mp->is_add)
829 : {
830 42 : appns_index = app_namespace_index_from_id (ns_id);
831 42 : if (appns_index == APP_NAMESPACE_INVALID_INDEX)
832 : {
833 0 : clib_warning ("app ns lookup failed id:%s", ns_id);
834 0 : rv = VNET_API_ERROR_UNSPECIFIED;
835 : }
836 : }
837 42 : vec_free (ns_id);
838 42 : vec_free (sock_name);
839 42 : done:
840 42 : REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V4_REPLY, ({
841 : if (!rv)
842 : rmp->appns_index = clib_host_to_net_u32 (appns_index);
843 : }));
844 : }
845 :
846 : static void
847 0 : vl_api_app_namespace_add_del_v3_t_handler (
848 : vl_api_app_namespace_add_del_v3_t *mp)
849 : {
850 : vl_api_app_namespace_add_del_v3_reply_t *rmp;
851 0 : u8 *ns_id = 0, *sock_name = 0, *api_sock_name = 0;
852 0 : u32 appns_index = 0;
853 0 : int rv = 0;
854 0 : if (session_main_is_enabled () == 0)
855 : {
856 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
857 0 : goto done;
858 : }
859 0 : mp->namespace_id[sizeof (mp->namespace_id) - 1] = 0;
860 0 : ns_id = format (0, "%s", &mp->namespace_id);
861 0 : api_sock_name = vl_api_from_api_to_new_vec (mp, &mp->sock_name);
862 0 : mp->netns[sizeof (mp->netns) - 1] = 0;
863 0 : if (strlen ((char *) mp->netns) != 0)
864 : {
865 0 : sock_name =
866 0 : format (0, "abstract:%v,netns_name=%s", api_sock_name, &mp->netns);
867 : }
868 : else
869 : {
870 0 : sock_name = api_sock_name;
871 0 : api_sock_name = 0; // for vec_free
872 : }
873 :
874 0 : vnet_app_namespace_add_del_args_t args = {
875 : .ns_id = ns_id,
876 : .sock_name = sock_name,
877 0 : .secret = clib_net_to_host_u64 (mp->secret),
878 0 : .sw_if_index = clib_net_to_host_u32 (mp->sw_if_index),
879 0 : .ip4_fib_id = clib_net_to_host_u32 (mp->ip4_fib_id),
880 0 : .ip6_fib_id = clib_net_to_host_u32 (mp->ip6_fib_id),
881 0 : .is_add = mp->is_add,
882 : };
883 0 : rv = vnet_app_namespace_add_del (&args);
884 0 : if (!rv && mp->is_add)
885 : {
886 0 : appns_index = app_namespace_index_from_id (ns_id);
887 0 : if (appns_index == APP_NAMESPACE_INVALID_INDEX)
888 : {
889 0 : clib_warning ("app ns lookup failed id:%s", ns_id);
890 0 : rv = VNET_API_ERROR_UNSPECIFIED;
891 : }
892 : }
893 0 : vec_free (ns_id);
894 0 : vec_free (sock_name);
895 0 : vec_free (api_sock_name);
896 0 : done:
897 0 : REPLY_MACRO2 (VL_API_APP_NAMESPACE_ADD_DEL_V3_REPLY, ({
898 : if (!rv)
899 : rmp->appns_index = clib_host_to_net_u32 (appns_index);
900 : }));
901 : }
902 :
903 : static void
904 0 : vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp)
905 : {
906 : vl_api_session_rule_add_del_reply_t *rmp;
907 : session_rule_add_del_args_t args;
908 0 : session_rule_table_add_del_args_t *table_args = &args.table_args;
909 0 : int rv = 0;
910 :
911 0 : clib_memset (&args, 0, sizeof (args));
912 :
913 0 : ip_prefix_decode (&mp->lcl, &table_args->lcl);
914 0 : ip_prefix_decode (&mp->rmt, &table_args->rmt);
915 :
916 0 : table_args->lcl_port = mp->lcl_port;
917 0 : table_args->rmt_port = mp->rmt_port;
918 0 : table_args->action_index = clib_net_to_host_u32 (mp->action_index);
919 0 : table_args->is_add = mp->is_add;
920 0 : mp->tag[sizeof (mp->tag) - 1] = 0;
921 0 : table_args->tag = format (0, "%s", mp->tag);
922 0 : args.appns_index = clib_net_to_host_u32 (mp->appns_index);
923 0 : args.scope = mp->scope;
924 0 : args.transport_proto =
925 0 : api_session_transport_proto_decode (&mp->transport_proto) ==
926 0 : TRANSPORT_PROTO_UDP ? 1 : 0;
927 :
928 0 : rv = vnet_session_rule_add_del (&args);
929 0 : if (rv)
930 0 : clib_warning ("rule add del returned: %d", rv);
931 0 : vec_free (table_args->tag);
932 0 : REPLY_MACRO (VL_API_SESSION_RULE_ADD_DEL_REPLY);
933 : }
934 :
935 : static void
936 0 : send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local,
937 : u8 transport_proto, u32 appns_index, u8 * tag,
938 : vl_api_registration_t * reg, u32 context)
939 : {
940 0 : vl_api_session_rules_details_t *rmp = 0;
941 0 : session_mask_or_match_4_t *match =
942 : (session_mask_or_match_4_t *) & rule->match;
943 0 : session_mask_or_match_4_t *mask =
944 : (session_mask_or_match_4_t *) & rule->mask;
945 : fib_prefix_t lcl, rmt;
946 :
947 0 : rmp = vl_msg_api_alloc (sizeof (*rmp));
948 0 : clib_memset (rmp, 0, sizeof (*rmp));
949 0 : rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
950 0 : rmp->context = context;
951 :
952 0 : clib_memset (&lcl, 0, sizeof (lcl));
953 0 : clib_memset (&rmt, 0, sizeof (rmt));
954 0 : ip_set (&lcl.fp_addr, &match->lcl_ip, 1);
955 0 : ip_set (&rmt.fp_addr, &match->rmt_ip, 1);
956 0 : lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip);
957 0 : rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip);
958 :
959 0 : ip_prefix_encode (&lcl, &rmp->lcl);
960 0 : ip_prefix_encode (&rmt, &rmp->rmt);
961 0 : rmp->lcl_port = match->lcl_port;
962 0 : rmp->rmt_port = match->rmt_port;
963 0 : rmp->action_index = clib_host_to_net_u32 (rule->action_index);
964 0 : rmp->scope =
965 0 : is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
966 0 : rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
967 0 : rmp->appns_index = clib_host_to_net_u32 (appns_index);
968 0 : if (tag)
969 : {
970 0 : clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
971 0 : rmp->tag[vec_len (tag)] = 0;
972 : }
973 :
974 0 : vl_api_send_msg (reg, (u8 *) rmp);
975 0 : }
976 :
977 : static void
978 0 : send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local,
979 : u8 transport_proto, u32 appns_index, u8 * tag,
980 : vl_api_registration_t * reg, u32 context)
981 : {
982 0 : vl_api_session_rules_details_t *rmp = 0;
983 0 : session_mask_or_match_6_t *match =
984 : (session_mask_or_match_6_t *) & rule->match;
985 0 : session_mask_or_match_6_t *mask =
986 : (session_mask_or_match_6_t *) & rule->mask;
987 : fib_prefix_t lcl, rmt;
988 :
989 0 : rmp = vl_msg_api_alloc (sizeof (*rmp));
990 0 : clib_memset (rmp, 0, sizeof (*rmp));
991 0 : rmp->_vl_msg_id = ntohs (REPLY_MSG_ID_BASE + VL_API_SESSION_RULES_DETAILS);
992 0 : rmp->context = context;
993 :
994 0 : clib_memset (&lcl, 0, sizeof (lcl));
995 0 : clib_memset (&rmt, 0, sizeof (rmt));
996 0 : ip_set (&lcl.fp_addr, &match->lcl_ip, 0);
997 0 : ip_set (&rmt.fp_addr, &match->rmt_ip, 0);
998 0 : lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip);
999 0 : rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip);
1000 :
1001 0 : ip_prefix_encode (&lcl, &rmp->lcl);
1002 0 : ip_prefix_encode (&rmt, &rmp->rmt);
1003 0 : rmp->lcl_port = match->lcl_port;
1004 0 : rmp->rmt_port = match->rmt_port;
1005 0 : rmp->action_index = clib_host_to_net_u32 (rule->action_index);
1006 0 : rmp->scope =
1007 0 : is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL;
1008 0 : rmp->transport_proto = api_session_transport_proto_encode (transport_proto);
1009 0 : rmp->appns_index = clib_host_to_net_u32 (appns_index);
1010 0 : if (tag)
1011 : {
1012 0 : clib_memcpy_fast (rmp->tag, tag, vec_len (tag));
1013 0 : rmp->tag[vec_len (tag)] = 0;
1014 : }
1015 :
1016 0 : vl_api_send_msg (reg, (u8 *) rmp);
1017 0 : }
1018 :
1019 : static void
1020 0 : send_session_rules_table_details (session_rules_table_t * srt, u8 fib_proto,
1021 : u8 tp, u8 is_local, u32 appns_index,
1022 : vl_api_registration_t * reg, u32 context)
1023 : {
1024 : mma_rule_16_t *rule16;
1025 : mma_rule_40_t *rule40;
1026 : mma_rules_table_16_t *srt16;
1027 : mma_rules_table_40_t *srt40;
1028 : u32 ri;
1029 :
1030 0 : if (is_local || fib_proto == FIB_PROTOCOL_IP4)
1031 : {
1032 0 : u8 *tag = 0;
1033 : /* *INDENT-OFF* */
1034 0 : srt16 = &srt->session_rules_tables_16;
1035 0 : pool_foreach (rule16, srt16->rules) {
1036 0 : ri = mma_rules_table_rule_index_16 (srt16, rule16);
1037 0 : tag = session_rules_table_rule_tag (srt, ri, 1);
1038 0 : send_session_rule_details4 (rule16, is_local, tp, appns_index, tag,
1039 : reg, context);
1040 : }
1041 : /* *INDENT-ON* */
1042 : }
1043 0 : if (is_local || fib_proto == FIB_PROTOCOL_IP6)
1044 : {
1045 0 : u8 *tag = 0;
1046 : /* *INDENT-OFF* */
1047 0 : srt40 = &srt->session_rules_tables_40;
1048 0 : pool_foreach (rule40, srt40->rules) {
1049 0 : ri = mma_rules_table_rule_index_40 (srt40, rule40);
1050 0 : tag = session_rules_table_rule_tag (srt, ri, 1);
1051 0 : send_session_rule_details6 (rule40, is_local, tp, appns_index, tag,
1052 : reg, context);
1053 : }
1054 : /* *INDENT-ON* */
1055 : }
1056 0 : }
1057 :
1058 : static void
1059 0 : vl_api_session_rules_dump_t_handler (vl_api_session_rules_dump_t * mp)
1060 : {
1061 : vl_api_registration_t *reg;
1062 : session_table_t *st;
1063 : u8 tp;
1064 :
1065 0 : reg = vl_api_client_index_to_registration (mp->client_index);
1066 0 : if (!reg)
1067 0 : return;
1068 :
1069 : /* *INDENT-OFF* */
1070 0 : session_table_foreach (st, ({
1071 : for (tp = 0; tp < TRANSPORT_N_PROTOS; tp++)
1072 : {
1073 : send_session_rules_table_details (&st->session_rules[tp],
1074 : st->active_fib_proto, tp,
1075 : st->is_local, st->appns_index, reg,
1076 : mp->context);
1077 : }
1078 : }));
1079 : /* *INDENT-ON* */
1080 : }
1081 :
1082 : static void
1083 2 : vl_api_app_add_cert_key_pair_t_handler (vl_api_app_add_cert_key_pair_t * mp)
1084 : {
1085 : vl_api_app_add_cert_key_pair_reply_t *rmp;
1086 2 : vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1087 : u32 certkey_len, key_len, cert_len;
1088 2 : int rv = 0;
1089 2 : if (session_main_is_enabled () == 0)
1090 : {
1091 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
1092 0 : goto done;
1093 : }
1094 :
1095 2 : cert_len = clib_net_to_host_u16 (mp->cert_len);
1096 2 : if (cert_len > 10000)
1097 : {
1098 0 : rv = VNET_API_ERROR_INVALID_VALUE;
1099 0 : goto done;
1100 : }
1101 :
1102 2 : certkey_len = clib_net_to_host_u16 (mp->certkey_len);
1103 2 : if (certkey_len < cert_len)
1104 : {
1105 0 : rv = VNET_API_ERROR_INVALID_VALUE;
1106 0 : goto done;
1107 : }
1108 :
1109 2 : key_len = certkey_len - cert_len;
1110 2 : if (key_len > 10000)
1111 : {
1112 0 : rv = VNET_API_ERROR_INVALID_VALUE;
1113 0 : goto done;
1114 : }
1115 :
1116 2 : clib_memset (a, 0, sizeof (*a));
1117 2 : a->cert = mp->certkey;
1118 2 : a->key = mp->certkey + cert_len;
1119 2 : a->cert_len = cert_len;
1120 2 : a->key_len = key_len;
1121 2 : rv = vnet_app_add_cert_key_pair (a);
1122 :
1123 2 : done:
1124 : /* *INDENT-OFF* */
1125 2 : REPLY_MACRO2 (VL_API_APP_ADD_CERT_KEY_PAIR_REPLY, ({
1126 : if (!rv)
1127 : rmp->index = clib_host_to_net_u32 (a->index);
1128 : }));
1129 : /* *INDENT-ON* */
1130 : }
1131 :
1132 : static void
1133 0 : vl_api_app_del_cert_key_pair_t_handler (vl_api_app_del_cert_key_pair_t * mp)
1134 : {
1135 : vl_api_app_del_cert_key_pair_reply_t *rmp;
1136 : u32 ckpair_index;
1137 0 : int rv = 0;
1138 0 : if (session_main_is_enabled () == 0)
1139 : {
1140 0 : rv = VNET_API_ERROR_FEATURE_DISABLED;
1141 0 : goto done;
1142 : }
1143 0 : ckpair_index = clib_net_to_host_u32 (mp->index);
1144 0 : rv = vnet_app_del_cert_key_pair (ckpair_index);
1145 :
1146 0 : done:
1147 0 : REPLY_MACRO (VL_API_APP_DEL_CERT_KEY_PAIR_REPLY);
1148 : }
1149 :
1150 : static clib_error_t *
1151 1207 : application_reaper_cb (u32 client_index)
1152 : {
1153 1207 : application_t *app = application_lookup (client_index);
1154 1207 : vnet_app_detach_args_t _a, *a = &_a;
1155 1207 : if (app)
1156 : {
1157 0 : a->app_index = app->app_index;
1158 0 : a->api_client_index = client_index;
1159 0 : vnet_application_detach (a);
1160 : }
1161 1207 : return 0;
1162 : }
1163 :
1164 559 : VL_MSG_API_REAPER_FUNCTION (application_reaper_cb);
1165 :
1166 : /*
1167 : * Socket api functions
1168 : */
1169 :
1170 : static int
1171 9 : mq_send_add_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1172 : {
1173 9 : session_app_add_segment_msg_t m = { 0 };
1174 : app_worker_t *app_wrk;
1175 : fifo_segment_t *fs;
1176 : ssvm_private_t *sp;
1177 9 : u8 fd_flags = 0;
1178 :
1179 9 : app_wrk = app_worker_get (app_wrk_index);
1180 :
1181 9 : fs = segment_manager_get_segment_w_handle (segment_handle);
1182 9 : sp = &fs->ssvm;
1183 9 : ASSERT (ssvm_type (sp) == SSVM_SEGMENT_MEMFD);
1184 :
1185 9 : fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1186 :
1187 9 : m.segment_size = sp->ssvm_size;
1188 9 : m.fd_flags = fd_flags;
1189 9 : m.segment_handle = segment_handle;
1190 9 : strncpy ((char *) m.segment_name, (char *) sp->name,
1191 : sizeof (m.segment_name) - 1);
1192 :
1193 9 : app_wrk_send_ctrl_evt_fd (app_wrk, SESSION_CTRL_EVT_APP_ADD_SEGMENT, &m,
1194 : sizeof (m), sp->fd);
1195 :
1196 9 : return 0;
1197 : }
1198 :
1199 : static int
1200 1 : mq_send_del_segment_sapi_cb (u32 app_wrk_index, u64 segment_handle)
1201 : {
1202 1 : session_app_del_segment_msg_t m = { 0 };
1203 : app_worker_t *app_wrk;
1204 :
1205 1 : app_wrk = app_worker_get (app_wrk_index);
1206 :
1207 1 : m.segment_handle = segment_handle;
1208 :
1209 1 : app_wrk_send_ctrl_evt (app_wrk, SESSION_CTRL_EVT_APP_DEL_SEGMENT, &m,
1210 : sizeof (m));
1211 :
1212 1 : return 0;
1213 : }
1214 :
1215 : static session_cb_vft_t session_mq_sapi_cb_vft = {
1216 : .session_accept_callback = mq_send_session_accepted_cb,
1217 : .session_disconnect_callback = mq_send_session_disconnected_cb,
1218 : .session_connected_callback = mq_send_session_connected_cb,
1219 : .session_reset_callback = mq_send_session_reset_cb,
1220 : .session_migrate_callback = mq_send_session_migrate_cb,
1221 : .session_cleanup_callback = mq_send_session_cleanup_cb,
1222 : .add_segment_callback = mq_send_add_segment_sapi_cb,
1223 : .del_segment_callback = mq_send_del_segment_sapi_cb,
1224 : };
1225 :
1226 : static void
1227 14 : session_api_attach_handler (app_namespace_t * app_ns, clib_socket_t * cs,
1228 : app_sapi_attach_msg_t * mp)
1229 : {
1230 14 : int rv = 0, *fds = 0, n_fds = 0, i, n_workers;
1231 14 : vnet_app_attach_args_t _a, *a = &_a;
1232 : app_sapi_attach_reply_msg_t *rmp;
1233 14 : u8 fd_flags = 0, ctrl_thread;
1234 : app_ns_api_handle_t *handle;
1235 : fifo_segment_t *rx_mqs_seg;
1236 14 : app_sapi_msg_t msg = { 0 };
1237 : app_worker_t *app_wrk;
1238 : application_t *app;
1239 : svm_msg_q_t *rx_mq;
1240 :
1241 : /* Make sure name is null terminated */
1242 14 : mp->name[63] = 0;
1243 :
1244 14 : clib_memset (a, 0, sizeof (*a));
1245 14 : a->api_client_index = appns_sapi_socket_handle (app_ns, cs);
1246 14 : a->name = format (0, "%s", (char *) mp->name);
1247 14 : a->options = mp->options;
1248 14 : a->session_cb_vft = &session_mq_sapi_cb_vft;
1249 14 : a->use_sock_api = 1;
1250 14 : a->options[APP_OPTIONS_NAMESPACE] = app_namespace_index (app_ns);
1251 :
1252 14 : if ((rv = vnet_application_attach (a)))
1253 : {
1254 0 : clib_warning ("attach returned: %d", rv);
1255 0 : goto done;
1256 : }
1257 :
1258 14 : n_workers = vlib_num_workers ();
1259 14 : vec_validate (fds, 3 /* segs + tx evtfd */ + n_workers);
1260 :
1261 : /* Send event queues segment */
1262 14 : app = application_get (a->app_index);
1263 14 : rx_mqs_seg = application_get_rx_mqs_segment (app);
1264 :
1265 14 : fd_flags |= SESSION_FD_F_VPP_MQ_SEGMENT;
1266 14 : fds[n_fds] = rx_mqs_seg->ssvm.fd;
1267 14 : n_fds += 1;
1268 :
1269 : /* Send fifo segment fd if needed */
1270 14 : if (ssvm_type (a->segment) == SSVM_SEGMENT_MEMFD)
1271 : {
1272 14 : fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1273 14 : fds[n_fds] = a->segment->fd;
1274 14 : n_fds += 1;
1275 : }
1276 14 : if (a->options[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_EVT_MQ_USE_EVENTFD)
1277 : {
1278 0 : fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1279 0 : fds[n_fds] = svm_msg_q_get_eventfd (a->app_evt_q);
1280 0 : n_fds += 1;
1281 : }
1282 :
1283 14 : if (application_use_private_rx_mqs ())
1284 : {
1285 4 : fd_flags |= SESSION_FD_F_VPP_MQ_EVENTFD;
1286 8 : for (i = 0; i < n_workers + 1; i++)
1287 : {
1288 4 : rx_mq = application_rx_mq_get (app, i);
1289 4 : fds[n_fds] = svm_msg_q_get_eventfd (rx_mq);
1290 4 : n_fds += 1;
1291 : }
1292 : }
1293 :
1294 14 : done:
1295 :
1296 14 : msg.type = APP_SAPI_MSG_TYPE_ATTACH_REPLY;
1297 14 : rmp = &msg.attach_reply;
1298 14 : rmp->retval = rv;
1299 14 : if (!rv)
1300 : {
1301 14 : ctrl_thread = n_workers ? 1 : 0;
1302 14 : rmp->app_index = a->app_index;
1303 14 : rmp->app_mq =
1304 14 : fifo_segment_msg_q_offset ((fifo_segment_t *) a->segment, 0);
1305 14 : rmp->vpp_ctrl_mq = fifo_segment_msg_q_offset (rx_mqs_seg, ctrl_thread);
1306 14 : rmp->vpp_ctrl_mq_thread = ctrl_thread;
1307 14 : rmp->n_fds = n_fds;
1308 14 : rmp->fd_flags = fd_flags;
1309 : /* No segment name and size since we only support memfds
1310 : * in this configuration */
1311 14 : rmp->segment_handle = a->segment_handle;
1312 14 : rmp->api_client_handle = a->api_client_index;
1313 :
1314 : /* Update app index for socket */
1315 14 : handle = (app_ns_api_handle_t *) & cs->private_data;
1316 14 : app_wrk = application_get_worker (app, 0);
1317 14 : handle->aah_app_wrk_index = app_wrk->wrk_index;
1318 : }
1319 :
1320 14 : clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1321 14 : vec_free (a->name);
1322 14 : vec_free (fds);
1323 14 : }
1324 :
1325 : void
1326 14 : sapi_socket_close_w_handle (u32 api_handle)
1327 : {
1328 14 : app_namespace_t *app_ns = app_namespace_get (api_handle >> 16);
1329 14 : u16 sock_index = api_handle & 0xffff;
1330 : app_ns_api_handle_t *handle;
1331 : clib_socket_t *cs;
1332 : clib_file_t *cf;
1333 :
1334 14 : cs = appns_sapi_get_socket (app_ns, sock_index);
1335 14 : if (!cs)
1336 0 : return;
1337 :
1338 14 : handle = (app_ns_api_handle_t *) & cs->private_data;
1339 14 : cf = clib_file_get (&file_main, handle->aah_file_index);
1340 14 : clib_file_del (&file_main, cf);
1341 :
1342 14 : clib_socket_close (cs);
1343 14 : appns_sapi_free_socket (app_ns, cs);
1344 : }
1345 :
1346 : static void
1347 2 : sapi_add_del_worker_handler (app_namespace_t * app_ns,
1348 : clib_socket_t * cs,
1349 : app_sapi_worker_add_del_msg_t * mp)
1350 : {
1351 2 : int rv = 0, fds[SESSION_N_FD_TYPE], n_fds = 0;
1352 : app_sapi_worker_add_del_reply_msg_t *rmp;
1353 : app_ns_api_handle_t *handle;
1354 2 : app_sapi_msg_t msg = { 0 };
1355 : app_worker_t *app_wrk;
1356 2 : u32 sapi_handle = -1;
1357 : application_t *app;
1358 2 : u8 fd_flags = 0;
1359 :
1360 2 : app = application_get_if_valid (mp->app_index);
1361 2 : if (!app)
1362 : {
1363 0 : rv = VNET_API_ERROR_INVALID_VALUE;
1364 0 : goto done;
1365 : }
1366 :
1367 2 : sapi_handle = appns_sapi_socket_handle (app_ns, cs);
1368 :
1369 2 : vnet_app_worker_add_del_args_t args = {
1370 2 : .app_index = app->app_index,
1371 2 : .wrk_map_index = mp->wrk_index,
1372 : .api_client_index = sapi_handle,
1373 2 : .is_add = mp->is_add
1374 : };
1375 2 : rv = vnet_app_worker_add_del (&args);
1376 2 : if (rv)
1377 : {
1378 0 : clib_warning ("app worker add/del returned: %d", rv);
1379 0 : goto done;
1380 : }
1381 :
1382 2 : if (!mp->is_add)
1383 2 : goto done;
1384 :
1385 : /* Send fifo segment fd if needed */
1386 0 : if (ssvm_type (args.segment) == SSVM_SEGMENT_MEMFD)
1387 : {
1388 0 : fd_flags |= SESSION_FD_F_MEMFD_SEGMENT;
1389 0 : fds[n_fds] = args.segment->fd;
1390 0 : n_fds += 1;
1391 : }
1392 0 : if (application_segment_manager_properties (app)->use_mq_eventfd)
1393 : {
1394 0 : fd_flags |= SESSION_FD_F_MQ_EVENTFD;
1395 0 : fds[n_fds] = svm_msg_q_get_eventfd (args.evt_q);
1396 0 : n_fds += 1;
1397 : }
1398 :
1399 0 : done:
1400 :
1401 2 : msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_WORKER_REPLY;
1402 2 : rmp = &msg.worker_add_del_reply;
1403 2 : rmp->retval = rv;
1404 2 : rmp->is_add = mp->is_add;
1405 2 : rmp->api_client_handle = sapi_handle;
1406 2 : rmp->wrk_index = args.wrk_map_index;
1407 2 : rmp->segment_handle = args.segment_handle;
1408 2 : if (!rv && mp->is_add)
1409 : {
1410 : /* No segment name and size. This supports only memfds */
1411 0 : rmp->app_event_queue_address =
1412 0 : fifo_segment_msg_q_offset ((fifo_segment_t *) args.segment, 0);
1413 0 : rmp->n_fds = n_fds;
1414 0 : rmp->fd_flags = fd_flags;
1415 :
1416 : /* Update app index for socket */
1417 0 : handle = (app_ns_api_handle_t *) & cs->private_data;
1418 0 : app_wrk = application_get_worker (app, args.wrk_map_index);
1419 0 : handle->aah_app_wrk_index = app_wrk->wrk_index;
1420 : }
1421 :
1422 2 : clib_socket_sendmsg (cs, &msg, sizeof (msg), fds, n_fds);
1423 2 : }
1424 :
1425 : /* This is a workaround for the case when session layer starts reading
1426 : * the socket before the client actualy sends the data
1427 : */
1428 : static clib_error_t *
1429 8 : sapi_socket_receive_wait (clib_socket_t *cs, u8 *msg, u32 msg_len)
1430 : {
1431 : clib_error_t *err;
1432 8 : int n_tries = 5;
1433 :
1434 : while (1)
1435 : {
1436 8 : err = clib_socket_recvmsg (cs, msg, msg_len, 0, 0);
1437 8 : if (!err)
1438 8 : break;
1439 :
1440 0 : if (!n_tries)
1441 0 : return err;
1442 :
1443 0 : n_tries--;
1444 0 : usleep (1);
1445 : }
1446 :
1447 8 : return err;
1448 : }
1449 :
1450 : static void
1451 12 : sapi_add_del_cert_key_handler (app_namespace_t *app_ns, clib_socket_t *cs,
1452 : app_sapi_cert_key_add_del_msg_t *mp)
1453 : {
1454 12 : vnet_app_add_cert_key_pair_args_t _a, *a = &_a;
1455 : app_sapi_cert_key_add_del_reply_msg_t *rmp;
1456 12 : app_sapi_msg_t msg = { 0 };
1457 12 : int rv = 0;
1458 :
1459 12 : if (mp->is_add)
1460 : {
1461 8 : const u32 max_certkey_len = 2e4, max_cert_len = 1e4, max_key_len = 1e4;
1462 : clib_error_t *err;
1463 8 : u8 *certkey = 0;
1464 : u32 key_len;
1465 :
1466 8 : if (mp->certkey_len > max_certkey_len)
1467 : {
1468 0 : rv = SESSION_E_INVALID;
1469 0 : goto send_reply;
1470 : }
1471 :
1472 8 : vec_validate (certkey, mp->certkey_len - 1);
1473 :
1474 8 : err = sapi_socket_receive_wait (cs, certkey, mp->certkey_len);
1475 8 : if (err)
1476 : {
1477 0 : clib_error_report (err);
1478 0 : rv = SESSION_E_INVALID;
1479 0 : goto send_reply;
1480 : }
1481 :
1482 8 : if (mp->cert_len > max_cert_len)
1483 : {
1484 0 : rv = SESSION_E_INVALID;
1485 0 : goto send_reply;
1486 : }
1487 :
1488 8 : if (mp->certkey_len < mp->cert_len)
1489 : {
1490 0 : rv = SESSION_E_INVALID;
1491 0 : goto send_reply;
1492 : }
1493 :
1494 8 : key_len = mp->certkey_len - mp->cert_len;
1495 8 : if (key_len > max_key_len)
1496 : {
1497 0 : rv = SESSION_E_INVALID;
1498 0 : goto send_reply;
1499 : }
1500 :
1501 8 : clib_memset (a, 0, sizeof (*a));
1502 8 : a->cert = certkey;
1503 8 : a->key = certkey + mp->cert_len;
1504 8 : a->cert_len = mp->cert_len;
1505 8 : a->key_len = key_len;
1506 8 : rv = vnet_app_add_cert_key_pair (a);
1507 :
1508 8 : vec_free (certkey);
1509 : }
1510 : else
1511 : {
1512 4 : rv = vnet_app_del_cert_key_pair (mp->index);
1513 : }
1514 :
1515 12 : send_reply:
1516 :
1517 12 : msg.type = APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY_REPLY;
1518 12 : rmp = &msg.cert_key_add_del_reply;
1519 12 : rmp->retval = rv;
1520 12 : rmp->context = mp->context;
1521 12 : if (!rv && mp->is_add)
1522 8 : rmp->index = a->index;
1523 :
1524 12 : clib_socket_sendmsg (cs, &msg, sizeof (msg), 0, 0);
1525 12 : }
1526 :
1527 : static void
1528 8 : sapi_socket_detach (app_namespace_t * app_ns, clib_socket_t * cs)
1529 : {
1530 : app_ns_api_handle_t *handle;
1531 : app_worker_t *app_wrk;
1532 : u32 api_client_handle;
1533 :
1534 8 : api_client_handle = appns_sapi_socket_handle (app_ns, cs);
1535 :
1536 : /* Cleanup everything because app worker closed socket or crashed */
1537 8 : handle = (app_ns_api_handle_t *) & cs->private_data;
1538 8 : app_wrk = app_worker_get_if_valid (handle->aah_app_wrk_index);
1539 8 : if (!app_wrk)
1540 0 : return;
1541 :
1542 8 : vnet_app_worker_add_del_args_t args = {
1543 8 : .app_index = app_wrk->app_index,
1544 8 : .wrk_map_index = app_wrk->wrk_map_index,
1545 : .api_client_index = api_client_handle,
1546 : .is_add = 0
1547 : };
1548 : /* Send rpc to main thread for worker barrier */
1549 8 : vlib_rpc_call_main_thread (vnet_app_worker_add_del, (u8 *) & args,
1550 : sizeof (args));
1551 : }
1552 :
1553 : static clib_error_t *
1554 36 : sapi_sock_read_ready (clib_file_t * cf)
1555 : {
1556 36 : app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1557 36 : vlib_main_t *vm = vlib_get_main ();
1558 36 : app_sapi_msg_t msg = { 0 };
1559 : app_namespace_t *app_ns;
1560 36 : clib_error_t *err = 0;
1561 : clib_socket_t *cs;
1562 :
1563 36 : app_ns = app_namespace_get (handle->aah_app_ns_index);
1564 36 : cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1565 36 : if (!cs)
1566 0 : goto error;
1567 :
1568 36 : err = clib_socket_recvmsg (cs, &msg, sizeof (msg), 0, 0);
1569 36 : if (err)
1570 : {
1571 8 : clib_error_free (err);
1572 8 : sapi_socket_detach (app_ns, cs);
1573 8 : goto error;
1574 : }
1575 :
1576 28 : handle = (app_ns_api_handle_t *) & cs->private_data;
1577 :
1578 28 : vlib_worker_thread_barrier_sync (vm);
1579 :
1580 28 : switch (msg.type)
1581 : {
1582 14 : case APP_SAPI_MSG_TYPE_ATTACH:
1583 14 : session_api_attach_handler (app_ns, cs, &msg.attach);
1584 14 : break;
1585 2 : case APP_SAPI_MSG_TYPE_ADD_DEL_WORKER:
1586 2 : sapi_add_del_worker_handler (app_ns, cs, &msg.worker_add_del);
1587 2 : break;
1588 12 : case APP_SAPI_MSG_TYPE_ADD_DEL_CERT_KEY:
1589 12 : sapi_add_del_cert_key_handler (app_ns, cs, &msg.cert_key_add_del);
1590 12 : break;
1591 0 : default:
1592 0 : clib_warning ("app wrk %u unknown message type: %u",
1593 : handle->aah_app_wrk_index, msg.type);
1594 0 : break;
1595 : }
1596 :
1597 28 : vlib_worker_thread_barrier_release (vm);
1598 :
1599 36 : error:
1600 36 : return 0;
1601 : }
1602 :
1603 : static clib_error_t *
1604 0 : sapi_sock_write_ready (clib_file_t * cf)
1605 : {
1606 0 : app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1607 0 : clib_warning ("called for app ns %u", handle->aah_app_ns_index);
1608 0 : return 0;
1609 : }
1610 :
1611 : static clib_error_t *
1612 0 : sapi_sock_error (clib_file_t * cf)
1613 : {
1614 0 : app_ns_api_handle_t *handle = (app_ns_api_handle_t *) & cf->private_data;
1615 : app_namespace_t *app_ns;
1616 : clib_socket_t *cs;
1617 :
1618 0 : app_ns = app_namespace_get (handle->aah_app_ns_index);
1619 0 : cs = appns_sapi_get_socket (app_ns, handle->aah_sock_index);
1620 0 : if (!cs)
1621 0 : return 0;
1622 :
1623 0 : sapi_socket_detach (app_ns, cs);
1624 0 : return 0;
1625 : }
1626 :
1627 : static clib_error_t *
1628 14 : sapi_sock_accept_ready (clib_file_t * scf)
1629 : {
1630 14 : app_ns_api_handle_t handle = *(app_ns_api_handle_t *) & scf->private_data;
1631 : app_namespace_t *app_ns;
1632 14 : clib_file_t cf = { 0 };
1633 14 : clib_error_t *err = 0;
1634 : clib_socket_t *ccs, *scs;
1635 :
1636 : /* Listener files point to namespace */
1637 14 : app_ns = app_namespace_get (handle.aah_app_ns_index);
1638 :
1639 : /*
1640 : * Initialize client socket
1641 : */
1642 14 : ccs = appns_sapi_alloc_socket (app_ns);
1643 :
1644 : /* Grab server socket after client is initialized */
1645 14 : scs = appns_sapi_get_socket (app_ns, handle.aah_sock_index);
1646 14 : if (!scs)
1647 0 : goto error;
1648 :
1649 14 : err = clib_socket_accept (scs, ccs);
1650 14 : if (err)
1651 : {
1652 0 : clib_error_report (err);
1653 0 : goto error;
1654 : }
1655 :
1656 14 : cf.read_function = sapi_sock_read_ready;
1657 14 : cf.write_function = sapi_sock_write_ready;
1658 14 : cf.error_function = sapi_sock_error;
1659 14 : cf.file_descriptor = ccs->fd;
1660 : /* File points to app namespace and socket */
1661 14 : handle.aah_sock_index = appns_sapi_socket_index (app_ns, ccs);
1662 14 : cf.private_data = handle.as_u64;
1663 14 : cf.description = format (0, "app sock conn fd: %d", ccs->fd);
1664 :
1665 : /* Poll until we get an attach message. Socket points to file and
1666 : * application that owns the socket */
1667 14 : handle.aah_app_wrk_index = APP_INVALID_INDEX;
1668 14 : handle.aah_file_index = clib_file_add (&file_main, &cf);
1669 14 : ccs->private_data = handle.as_u64;
1670 :
1671 14 : return err;
1672 :
1673 0 : error:
1674 0 : appns_sapi_free_socket (app_ns, ccs);
1675 0 : return err;
1676 : }
1677 :
1678 : void
1679 0 : appns_sapi_del_ns_socket (app_namespace_t *app_ns)
1680 : {
1681 : app_ns_api_handle_t *handle;
1682 : clib_socket_t *cs;
1683 :
1684 0 : pool_foreach (cs, app_ns->app_sockets)
1685 : {
1686 0 : handle = (app_ns_api_handle_t *) &cs->private_data;
1687 0 : clib_file_del_by_index (&file_main, handle->aah_file_index);
1688 :
1689 0 : clib_socket_close (cs);
1690 0 : clib_socket_free (cs);
1691 : }
1692 0 : pool_free (app_ns->app_sockets);
1693 0 : }
1694 :
1695 : int
1696 35 : appns_sapi_add_ns_socket (app_namespace_t * app_ns)
1697 : {
1698 35 : char *subdir = "/app_ns_sockets/";
1699 : app_ns_api_handle_t *handle;
1700 35 : clib_file_t cf = { 0 };
1701 : struct stat file_stat;
1702 : clib_error_t *err;
1703 : clib_socket_t *cs;
1704 : char dir[4096];
1705 :
1706 35 : snprintf (dir, sizeof (dir), "%s%s", vlib_unix_get_runtime_dir (), subdir);
1707 :
1708 35 : if (!app_ns->sock_name)
1709 35 : app_ns->sock_name = format (0, "%s%v%c", dir, app_ns->ns_id, 0);
1710 :
1711 : /*
1712 : * Create and initialize socket to listen on
1713 : */
1714 35 : cs = appns_sapi_alloc_socket (app_ns);
1715 35 : cs->config = (char *) vec_dup (app_ns->sock_name);
1716 35 : cs->flags = CLIB_SOCKET_F_IS_SERVER |
1717 35 : CLIB_SOCKET_F_ALLOW_GROUP_WRITE |
1718 35 : CLIB_SOCKET_F_SEQPACKET | CLIB_SOCKET_F_PASSCRED;
1719 :
1720 35 : if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX)
1721 : {
1722 35 : err = vlib_unix_recursive_mkdir ((char *) dir);
1723 35 : if (err)
1724 : {
1725 0 : clib_error_report (err);
1726 0 : return VNET_API_ERROR_SYSCALL_ERROR_1;
1727 : }
1728 : }
1729 :
1730 35 : if ((err = clib_socket_init (cs)))
1731 : {
1732 0 : clib_error_report (err);
1733 0 : return -1;
1734 : }
1735 :
1736 70 : if (clib_socket_prefix_get_type (cs->config) == CLIB_SOCKET_TYPE_UNIX &&
1737 35 : stat ((char *) app_ns->sock_name, &file_stat) == -1)
1738 0 : return -1;
1739 :
1740 : /*
1741 : * Start polling it
1742 : */
1743 35 : cf.read_function = sapi_sock_accept_ready;
1744 35 : cf.file_descriptor = cs->fd;
1745 : /* File points to namespace */
1746 35 : handle = (app_ns_api_handle_t *) & cf.private_data;
1747 35 : handle->aah_app_ns_index = app_namespace_index (app_ns);
1748 35 : handle->aah_sock_index = appns_sapi_socket_index (app_ns, cs);
1749 35 : cf.description = format (0, "app sock listener: %s", app_ns->sock_name);
1750 :
1751 : /* Socket points to clib file index */
1752 35 : handle = (app_ns_api_handle_t *) & cs->private_data;
1753 35 : handle->aah_file_index = clib_file_add (&file_main, &cf);
1754 35 : handle->aah_app_wrk_index = APP_INVALID_INDEX;
1755 :
1756 35 : return 0;
1757 : }
1758 :
1759 : #include <vnet/session/session.api.c>
1760 : static clib_error_t *
1761 559 : session_api_hookup (vlib_main_t *vm)
1762 : {
1763 : /*
1764 : * Set up the (msg_name, crc, message-id) table
1765 : */
1766 559 : REPLY_MSG_ID_BASE = setup_message_id_table ();
1767 :
1768 559 : return 0;
1769 : }
1770 :
1771 16799 : VLIB_API_INIT_FUNCTION (session_api_hookup);
1772 :
1773 : /*
1774 : * fd.io coding-style-patch-verification: ON
1775 : *
1776 : * Local Variables:
1777 : * eval: (c-set-style "gnu")
1778 : * End:
1779 : */
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