2 * Copyright (c) 2017-2019 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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
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 <hs_apps/proxy.h>
21 #include <vnet/tcp/tcp.h>
23 proxy_main_t proxy_main;
29 session_endpoint_cfg_t sep;
32 } proxy_connect_args_t;
35 proxy_cb_fn (void *data, u32 data_len)
37 proxy_connect_args_t *pa = (proxy_connect_args_t *) data;
38 vnet_connect_args_t a;
40 clib_memset (&a, 0, sizeof (a));
41 a.api_context = pa->api_context;
42 a.app_index = pa->app_index;
43 clib_memcpy (&a.sep_ext, &pa->sep, sizeof (pa->sep));
45 if (a.sep_ext.ext_cfg)
46 clib_mem_free (a.sep_ext.ext_cfg);
50 proxy_call_main_thread (vnet_connect_args_t * a)
52 if (vlib_get_thread_index () == 0)
55 if (a->sep_ext.ext_cfg)
56 clib_mem_free (a->sep_ext.ext_cfg);
60 proxy_connect_args_t args;
61 args.api_context = a->api_context;
62 args.app_index = a->app_index;
63 clib_memcpy (&args.sep, &a->sep_ext, sizeof (a->sep_ext));
64 vl_api_rpc_call_main_thread (proxy_cb_fn, (u8 *) & args, sizeof (args));
68 static proxy_session_t *
69 proxy_session_alloc (void)
71 proxy_main_t *pm = &proxy_main;
74 pool_get_zero (pm->sessions, ps);
75 ps->ps_index = ps - pm->sessions;
80 static inline proxy_session_t *
81 proxy_session_get (u32 ps_index)
83 proxy_main_t *pm = &proxy_main;
85 return pool_elt_at_index (pm->sessions, ps_index);
88 static inline proxy_session_t *
89 proxy_session_get_if_valid (u32 ps_index)
91 proxy_main_t *pm = &proxy_main;
93 if (pool_is_free_index (pm->sessions, ps_index))
95 return pool_elt_at_index (pm->sessions, ps_index);
99 proxy_session_free (proxy_session_t *ps)
101 proxy_main_t *pm = &proxy_main;
104 clib_memset (ps, 0xFE, sizeof (*ps));
105 pool_put (pm->sessions, ps);
109 proxy_session_postponed_free_rpc (void *arg)
111 uword ps_index = pointer_to_uword (arg);
112 proxy_main_t *pm = &proxy_main;
113 proxy_session_t *ps = 0;
115 clib_spinlock_lock_if_init (&pm->sessions_lock);
117 ps = proxy_session_get (ps_index);
118 segment_manager_dealloc_fifos (ps->server_rx_fifo, ps->server_tx_fifo);
119 proxy_session_free (ps);
121 clib_spinlock_unlock_if_init (&pm->sessions_lock);
127 proxy_session_postponed_free (proxy_session_t *ps)
129 session_send_rpc_evt_to_thread (ps->po_thread_index,
130 proxy_session_postponed_free_rpc,
131 uword_to_pointer (ps->ps_index, void *));
135 proxy_try_close_session (session_t * s, int is_active_open)
137 proxy_main_t *pm = &proxy_main;
138 proxy_session_t *ps = 0;
139 vnet_disconnect_args_t _a, *a = &_a;
141 clib_spinlock_lock_if_init (&pm->sessions_lock);
143 ps = proxy_session_get (s->opaque);
147 a->handle = ps->vpp_active_open_handle;
148 a->app_index = pm->active_open_app_index;
149 vnet_disconnect_session (a);
150 ps->ao_disconnected = 1;
152 if (!ps->po_disconnected)
154 ASSERT (ps->vpp_server_handle != SESSION_INVALID_HANDLE);
155 a->handle = ps->vpp_server_handle;
156 a->app_index = pm->server_app_index;
157 vnet_disconnect_session (a);
158 ps->po_disconnected = 1;
163 a->handle = ps->vpp_server_handle;
164 a->app_index = pm->server_app_index;
165 vnet_disconnect_session (a);
166 ps->po_disconnected = 1;
168 if (!ps->ao_disconnected && !ps->active_open_establishing)
170 /* Proxy session closed before active open */
171 if (ps->vpp_active_open_handle != SESSION_INVALID_HANDLE)
173 a->handle = ps->vpp_active_open_handle;
174 a->app_index = pm->active_open_app_index;
175 vnet_disconnect_session (a);
177 ps->ao_disconnected = 1;
180 clib_spinlock_unlock_if_init (&pm->sessions_lock);
184 proxy_try_delete_session (session_t * s, u8 is_active_open)
186 proxy_main_t *pm = &proxy_main;
187 proxy_session_t *ps = 0;
189 clib_spinlock_lock_if_init (&pm->sessions_lock);
191 ps = proxy_session_get (s->opaque);
195 ps->vpp_active_open_handle = SESSION_INVALID_HANDLE;
197 /* Revert master thread index change on connect notification */
198 ps->server_rx_fifo->master_thread_index = ps->po_thread_index;
200 /* Passive open already cleaned up */
201 if (ps->vpp_server_handle == SESSION_INVALID_HANDLE)
203 ASSERT (s->rx_fifo->refcnt == 1);
205 /* The two sides of the proxy on different threads */
206 if (ps->po_thread_index != s->thread_index)
208 /* This is not the right thread to delete the fifos */
211 proxy_session_postponed_free (ps);
214 proxy_session_free (ps);
219 ps->vpp_server_handle = SESSION_INVALID_HANDLE;
221 if (ps->vpp_active_open_handle == SESSION_INVALID_HANDLE)
223 if (!ps->active_open_establishing)
224 proxy_session_free (ps);
227 clib_spinlock_unlock_if_init (&pm->sessions_lock);
231 common_fifo_tuning_callback (session_t * s, svm_fifo_t * f,
232 session_ft_action_t act, u32 bytes)
234 proxy_main_t *pm = &proxy_main;
236 segment_manager_t *sm = segment_manager_get (f->segment_manager);
237 fifo_segment_t *fs = segment_manager_get_segment (sm, f->segment_index);
239 u8 seg_usage = fifo_segment_get_mem_usage (fs);
240 u32 fifo_in_use = svm_fifo_max_dequeue_prod (f);
241 u32 fifo_size = svm_fifo_size (f);
242 u8 fifo_usage = fifo_in_use * 100 / fifo_size;
245 ASSERT (act < SESSION_FT_ACTION_N_ACTIONS);
247 if (act == SESSION_FT_ACTION_ENQUEUED)
249 if (seg_usage < pm->low_watermark && fifo_usage > 50)
250 update_size = fifo_in_use;
251 else if (seg_usage < pm->high_watermark && fifo_usage > 80)
252 update_size = fifo_in_use;
254 update_size = clib_min (update_size, sm->max_fifo_size - fifo_size);
256 svm_fifo_set_size (f, fifo_size + update_size);
260 if (seg_usage > pm->high_watermark || fifo_usage < 20)
262 else if (seg_usage > pm->low_watermark && fifo_usage < 50)
263 update_size = (bytes / 2);
265 ASSERT (fifo_size >= 4096);
266 update_size = clib_min (update_size, fifo_size - 4096);
268 svm_fifo_set_size (f, fifo_size - update_size);
275 proxy_accept_callback (session_t * s)
277 proxy_main_t *pm = &proxy_main;
280 clib_spinlock_lock_if_init (&pm->sessions_lock);
282 ps = proxy_session_alloc ();
283 ps->vpp_server_handle = session_handle (s);
284 ps->vpp_active_open_handle = SESSION_INVALID_HANDLE;
285 ps->po_thread_index = s->thread_index;
287 s->opaque = ps->ps_index;
289 clib_spinlock_unlock_if_init (&pm->sessions_lock);
291 s->session_state = SESSION_STATE_READY;
297 proxy_disconnect_callback (session_t * s)
299 proxy_try_close_session (s, 0 /* is_active_open */ );
303 proxy_reset_callback (session_t * s)
305 proxy_try_close_session (s, 0 /* is_active_open */ );
309 proxy_connected_callback (u32 app_index, u32 api_context,
310 session_t * s, session_error_t err)
312 clib_warning ("called...");
317 proxy_add_segment_callback (u32 client_index, u64 segment_handle)
323 proxy_transport_needs_crypto (transport_proto_t proto)
325 return proto == TRANSPORT_PROTO_TLS;
329 proxy_rx_callback (session_t * s)
331 proxy_main_t *pm = &proxy_main;
332 u32 thread_index = vlib_get_thread_index ();
333 svm_fifo_t *ao_tx_fifo;
336 ASSERT (s->thread_index == thread_index);
338 clib_spinlock_lock_if_init (&pm->sessions_lock);
340 ps = proxy_session_get (s->opaque);
342 if (PREDICT_TRUE (ps->vpp_active_open_handle != SESSION_INVALID_HANDLE))
344 clib_spinlock_unlock_if_init (&pm->sessions_lock);
346 ao_tx_fifo = s->rx_fifo;
349 * Send event for active open tx fifo
351 if (svm_fifo_set_event (ao_tx_fifo))
353 u32 ao_thread_index = ao_tx_fifo->master_thread_index;
354 u32 ao_session_index = ao_tx_fifo->shr->master_session_index;
355 if (session_send_io_evt_to_thread_custom (&ao_session_index,
358 clib_warning ("failed to enqueue tx evt");
361 if (svm_fifo_max_enqueue (ao_tx_fifo) <= TCP_MSS)
362 svm_fifo_add_want_deq_ntf (ao_tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
366 vnet_connect_args_t _a, *a = &_a;
367 svm_fifo_t *tx_fifo, *rx_fifo;
368 u32 max_dequeue, ps_index;
369 int actual_transfer __attribute__ ((unused));
371 rx_fifo = s->rx_fifo;
372 tx_fifo = s->tx_fifo;
374 ASSERT (rx_fifo->master_thread_index == thread_index);
375 ASSERT (tx_fifo->master_thread_index == thread_index);
377 max_dequeue = svm_fifo_max_dequeue_cons (s->rx_fifo);
379 if (PREDICT_FALSE (max_dequeue == 0))
381 clib_spinlock_unlock_if_init (&pm->sessions_lock);
385 max_dequeue = clib_min (pm->rcv_buffer_size, max_dequeue);
386 actual_transfer = svm_fifo_peek (rx_fifo, 0 /* relative_offset */ ,
387 max_dequeue, pm->rx_buf[thread_index]);
389 /* $$$ your message in this space: parse url, etc. */
391 clib_memset (a, 0, sizeof (*a));
393 ps->server_rx_fifo = rx_fifo;
394 ps->server_tx_fifo = tx_fifo;
395 ps->active_open_establishing = 1;
396 ps_index = ps->ps_index;
398 clib_spinlock_unlock_if_init (&pm->sessions_lock);
400 clib_memcpy (&a->sep_ext, &pm->client_sep, sizeof (pm->client_sep));
401 a->api_context = ps_index;
402 a->app_index = pm->active_open_app_index;
404 if (proxy_transport_needs_crypto (a->sep.transport_proto))
406 session_endpoint_alloc_ext_cfg (&a->sep_ext,
407 TRANSPORT_ENDPT_EXT_CFG_CRYPTO);
408 a->sep_ext.ext_cfg->crypto.ckpair_index = pm->ckpair_index;
411 proxy_call_main_thread (a);
418 proxy_force_ack (void *handlep)
420 transport_connection_t *tc;
423 ao_s = session_get_from_handle (pointer_to_uword (handlep));
424 if (session_get_transport_proto (ao_s) != TRANSPORT_PROTO_TCP)
426 tc = session_get_transport (ao_s);
427 tcp_send_ack ((tcp_connection_t *) tc);
431 proxy_tx_callback (session_t * proxy_s)
433 proxy_main_t *pm = &proxy_main;
437 min_free = clib_min (svm_fifo_size (proxy_s->tx_fifo) >> 3, 128 << 10);
438 if (svm_fifo_max_enqueue (proxy_s->tx_fifo) < min_free)
440 svm_fifo_add_want_deq_ntf (proxy_s->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
444 clib_spinlock_lock_if_init (&pm->sessions_lock);
446 ps = proxy_session_get (proxy_s->opaque);
448 if (ps->vpp_active_open_handle == SESSION_INVALID_HANDLE)
451 /* Force ack on active open side to update rcv wnd. Make sure it's done on
452 * the right thread */
453 void *arg = uword_to_pointer (ps->vpp_active_open_handle, void *);
454 session_send_rpc_evt_to_thread (ps->server_rx_fifo->master_thread_index,
455 proxy_force_ack, arg);
458 clib_spinlock_unlock_if_init (&pm->sessions_lock);
464 proxy_cleanup_callback (session_t * s, session_cleanup_ntf_t ntf)
466 if (ntf == SESSION_CLEANUP_TRANSPORT)
469 proxy_try_delete_session (s, 0 /* is_active_open */ );
472 static session_cb_vft_t proxy_session_cb_vft = {
473 .session_accept_callback = proxy_accept_callback,
474 .session_disconnect_callback = proxy_disconnect_callback,
475 .session_connected_callback = proxy_connected_callback,
476 .add_segment_callback = proxy_add_segment_callback,
477 .builtin_app_rx_callback = proxy_rx_callback,
478 .builtin_app_tx_callback = proxy_tx_callback,
479 .session_reset_callback = proxy_reset_callback,
480 .session_cleanup_callback = proxy_cleanup_callback,
481 .fifo_tuning_callback = common_fifo_tuning_callback
485 active_open_connected_callback (u32 app_index, u32 opaque,
486 session_t * s, session_error_t err)
488 proxy_main_t *pm = &proxy_main;
490 u8 thread_index = vlib_get_thread_index ();
493 * Setup proxy session handle.
495 clib_spinlock_lock_if_init (&pm->sessions_lock);
497 ps = proxy_session_get (opaque);
499 /* Connection failed */
502 vnet_disconnect_args_t _a, *a = &_a;
504 a->handle = ps->vpp_server_handle;
505 a->app_index = pm->server_app_index;
506 vnet_disconnect_session (a);
507 ps->po_disconnected = 1;
511 ps->vpp_active_open_handle = session_handle (s);
512 ps->active_open_establishing = 0;
515 /* Passive open session was already closed! */
516 if (ps->po_disconnected)
518 /* Setup everything for the cleanup notification */
519 ps->ao_disconnected = 1;
520 clib_spinlock_unlock_if_init (&pm->sessions_lock);
524 s->tx_fifo = ps->server_rx_fifo;
525 s->rx_fifo = ps->server_tx_fifo;
528 * Reset the active-open tx-fifo master indices so the active-open session
529 * will receive data, etc.
531 s->tx_fifo->shr->master_session_index = s->session_index;
532 s->tx_fifo->master_thread_index = s->thread_index;
535 * Account for the active-open session's use of the fifos
536 * so they won't disappear until the last session which uses
539 s->tx_fifo->refcnt++;
540 s->rx_fifo->refcnt++;
544 clib_spinlock_unlock_if_init (&pm->sessions_lock);
547 * Send event for active open tx fifo
549 ASSERT (s->thread_index == thread_index);
550 if (svm_fifo_set_event (s->tx_fifo))
551 session_send_io_evt_to_thread (s->tx_fifo, SESSION_IO_EVT_TX);
557 active_open_reset_callback (session_t * s)
559 proxy_try_close_session (s, 1 /* is_active_open */ );
563 active_open_create_callback (session_t * s)
569 active_open_disconnect_callback (session_t * s)
571 proxy_try_close_session (s, 1 /* is_active_open */ );
575 active_open_rx_callback (session_t * s)
577 svm_fifo_t *proxy_tx_fifo;
579 proxy_tx_fifo = s->rx_fifo;
582 * Send event for server tx fifo
584 if (svm_fifo_set_event (proxy_tx_fifo))
586 u8 thread_index = proxy_tx_fifo->master_thread_index;
587 u32 session_index = proxy_tx_fifo->shr->master_session_index;
588 return session_send_io_evt_to_thread_custom (&session_index,
593 if (svm_fifo_max_enqueue (proxy_tx_fifo) <= TCP_MSS)
594 svm_fifo_add_want_deq_ntf (proxy_tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
600 active_open_tx_callback (session_t * ao_s)
602 proxy_main_t *pm = &proxy_main;
603 transport_connection_t *tc;
608 min_free = clib_min (svm_fifo_size (ao_s->tx_fifo) >> 3, 128 << 10);
609 if (svm_fifo_max_enqueue (ao_s->tx_fifo) < min_free)
611 svm_fifo_add_want_deq_ntf (ao_s->tx_fifo, SVM_FIFO_WANT_DEQ_NOTIF);
615 clib_spinlock_lock_if_init (&pm->sessions_lock);
617 ps = proxy_session_get_if_valid (ao_s->opaque);
621 if (ps->vpp_server_handle == ~0)
624 proxy_s = session_get_from_handle (ps->vpp_server_handle);
626 /* Force ack on proxy side to update rcv wnd */
627 tc = session_get_transport (proxy_s);
628 tcp_send_ack ((tcp_connection_t *) tc);
631 clib_spinlock_unlock_if_init (&pm->sessions_lock);
637 active_open_cleanup_callback (session_t * s, session_cleanup_ntf_t ntf)
639 if (ntf == SESSION_CLEANUP_TRANSPORT)
642 proxy_try_delete_session (s, 1 /* is_active_open */ );
646 static session_cb_vft_t active_open_clients = {
647 .session_reset_callback = active_open_reset_callback,
648 .session_connected_callback = active_open_connected_callback,
649 .session_accept_callback = active_open_create_callback,
650 .session_disconnect_callback = active_open_disconnect_callback,
651 .session_cleanup_callback = active_open_cleanup_callback,
652 .builtin_app_rx_callback = active_open_rx_callback,
653 .builtin_app_tx_callback = active_open_tx_callback,
654 .fifo_tuning_callback = common_fifo_tuning_callback
659 proxy_server_attach ()
661 proxy_main_t *pm = &proxy_main;
662 u64 options[APP_OPTIONS_N_OPTIONS];
663 vnet_app_attach_args_t _a, *a = &_a;
665 clib_memset (a, 0, sizeof (*a));
666 clib_memset (options, 0, sizeof (options));
668 a->name = format (0, "proxy-server");
669 a->api_client_index = pm->server_client_index;
670 a->session_cb_vft = &proxy_session_cb_vft;
671 a->options = options;
672 a->options[APP_OPTIONS_SEGMENT_SIZE] = pm->segment_size;
673 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = pm->segment_size;
674 a->options[APP_OPTIONS_RX_FIFO_SIZE] = pm->fifo_size;
675 a->options[APP_OPTIONS_TX_FIFO_SIZE] = pm->fifo_size;
676 a->options[APP_OPTIONS_MAX_FIFO_SIZE] = pm->max_fifo_size;
677 a->options[APP_OPTIONS_HIGH_WATERMARK] = (u64) pm->high_watermark;
678 a->options[APP_OPTIONS_LOW_WATERMARK] = (u64) pm->low_watermark;
679 a->options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = pm->private_segment_count;
680 a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
681 pm->prealloc_fifos ? pm->prealloc_fifos : 0;
683 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
685 if (vnet_application_attach (a))
687 clib_warning ("failed to attach server");
690 pm->server_app_index = a->app_index;
697 active_open_attach (void)
699 proxy_main_t *pm = &proxy_main;
700 vnet_app_attach_args_t _a, *a = &_a;
701 u64 options[APP_OPTIONS_N_OPTIONS];
703 clib_memset (a, 0, sizeof (*a));
704 clib_memset (options, 0, sizeof (options));
706 a->api_client_index = pm->active_open_client_index;
707 a->session_cb_vft = &active_open_clients;
708 a->name = format (0, "proxy-active-open");
710 options[APP_OPTIONS_ACCEPT_COOKIE] = 0x12345678;
711 options[APP_OPTIONS_SEGMENT_SIZE] = 512 << 20;
712 options[APP_OPTIONS_RX_FIFO_SIZE] = pm->fifo_size;
713 options[APP_OPTIONS_TX_FIFO_SIZE] = pm->fifo_size;
714 options[APP_OPTIONS_MAX_FIFO_SIZE] = pm->max_fifo_size;
715 options[APP_OPTIONS_HIGH_WATERMARK] = (u64) pm->high_watermark;
716 options[APP_OPTIONS_LOW_WATERMARK] = (u64) pm->low_watermark;
717 options[APP_OPTIONS_PRIVATE_SEGMENT_COUNT] = pm->private_segment_count;
718 options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
719 pm->prealloc_fifos ? pm->prealloc_fifos : 0;
721 options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN
722 | APP_OPTIONS_FLAGS_IS_PROXY;
724 a->options = options;
726 if (vnet_application_attach (a))
729 pm->active_open_app_index = a->app_index;
737 proxy_server_listen ()
739 proxy_main_t *pm = &proxy_main;
740 vnet_listen_args_t _a, *a = &_a;
743 clib_memset (a, 0, sizeof (*a));
745 a->app_index = pm->server_app_index;
746 clib_memcpy (&a->sep_ext, &pm->server_sep, sizeof (pm->server_sep));
747 if (proxy_transport_needs_crypto (a->sep.transport_proto))
749 session_endpoint_alloc_ext_cfg (&a->sep_ext,
750 TRANSPORT_ENDPT_EXT_CFG_CRYPTO);
751 a->sep_ext.ext_cfg->crypto.ckpair_index = pm->ckpair_index;
754 rv = vnet_listen (a);
755 if (a->sep_ext.ext_cfg)
756 clib_mem_free (a->sep_ext.ext_cfg);
762 proxy_server_add_ckpair (void)
764 vnet_app_add_cert_key_pair_args_t _ck_pair, *ck_pair = &_ck_pair;
765 proxy_main_t *pm = &proxy_main;
767 clib_memset (ck_pair, 0, sizeof (*ck_pair));
768 ck_pair->cert = (u8 *) test_srv_crt_rsa;
769 ck_pair->key = (u8 *) test_srv_key_rsa;
770 ck_pair->cert_len = test_srv_crt_rsa_len;
771 ck_pair->key_len = test_srv_key_rsa_len;
772 vnet_app_add_cert_key_pair (ck_pair);
774 pm->ckpair_index = ck_pair->index;
778 proxy_server_create (vlib_main_t * vm)
780 vlib_thread_main_t *vtm = vlib_get_thread_main ();
781 proxy_main_t *pm = &proxy_main;
785 num_threads = 1 /* main thread */ + vtm->n_threads;
786 vec_validate (pm->rx_buf, num_threads - 1);
788 for (i = 0; i < num_threads; i++)
789 vec_validate (pm->rx_buf[i], pm->rcv_buffer_size);
791 proxy_server_add_ckpair ();
793 if (proxy_server_attach ())
795 clib_warning ("failed to attach server app");
798 if (proxy_server_listen ())
800 clib_warning ("failed to start listening");
803 if (active_open_attach ())
805 clib_warning ("failed to attach active open app");
812 static clib_error_t *
813 proxy_server_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
814 vlib_cli_command_t * cmd)
816 unformat_input_t _line_input, *line_input = &_line_input;
817 char *default_server_uri = "tcp://0.0.0.0/23";
818 char *default_client_uri = "tcp://6.0.2.2/23";
819 u8 *server_uri = 0, *client_uri = 0;
820 proxy_main_t *pm = &proxy_main;
821 clib_error_t *error = 0;
825 pm->fifo_size = 64 << 10;
826 pm->max_fifo_size = 128 << 20;
827 pm->high_watermark = 80;
828 pm->low_watermark = 50;
829 pm->rcv_buffer_size = 1024;
830 pm->prealloc_fifos = 0;
831 pm->private_segment_count = 0;
832 pm->segment_size = 512 << 20;
834 if (vlib_num_workers ())
835 clib_spinlock_init (&pm->sessions_lock);
837 if (!unformat_user (input, unformat_line_input, line_input))
840 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
842 if (unformat (line_input, "fifo-size %U", unformat_memory_size,
845 else if (unformat (line_input, "max-fifo-size %U", unformat_memory_size,
848 else if (unformat (line_input, "high-watermark %d", &tmp32))
849 pm->high_watermark = (u8) tmp32;
850 else if (unformat (line_input, "low-watermark %d", &tmp32))
851 pm->low_watermark = (u8) tmp32;
852 else if (unformat (line_input, "rcv-buf-size %d", &pm->rcv_buffer_size))
854 else if (unformat (line_input, "prealloc-fifos %d", &pm->prealloc_fifos))
856 else if (unformat (line_input, "private-segment-count %d",
857 &pm->private_segment_count))
859 else if (unformat (line_input, "private-segment-size %U",
860 unformat_memory_size, &tmp64))
862 pm->segment_size = tmp64;
864 else if (unformat (line_input, "server-uri %s", &server_uri))
865 vec_add1 (server_uri, 0);
866 else if (unformat (line_input, "client-uri %s", &client_uri))
867 vec_add1 (client_uri, 0);
870 error = clib_error_return (0, "unknown input `%U'",
871 format_unformat_error, line_input);
878 clib_warning ("No server-uri provided, Using default: %s",
880 server_uri = format (0, "%s%c", default_server_uri, 0);
884 clib_warning ("No client-uri provided, Using default: %s",
886 client_uri = format (0, "%s%c", default_client_uri, 0);
889 if (parse_uri ((char *) server_uri, &pm->server_sep))
891 error = clib_error_return (0, "Invalid server uri %v", server_uri);
894 if (parse_uri ((char *) client_uri, &pm->client_sep))
896 error = clib_error_return (0, "Invalid client uri %v", client_uri);
900 vnet_session_enable_disable (vm, 1 /* turn on session and transport */ );
902 rv = proxy_server_create (vm);
908 error = clib_error_return (0, "server_create returned %d", rv);
912 unformat_free (line_input);
913 vec_free (client_uri);
914 vec_free (server_uri);
918 VLIB_CLI_COMMAND (proxy_create_command, static) =
920 .path = "test proxy server",
921 .short_help = "test proxy server [server-uri <tcp://ip/port>]"
922 "[client-uri <tcp://ip/port>][fifo-size <nn>[k|m]]"
923 "[max-fifo-size <nn>[k|m]][high-watermark <nn>]"
924 "[low-watermark <nn>][rcv-buf-size <nn>][prealloc-fifos <nn>]"
925 "[private-segment-size <mem>][private-segment-count <nn>]",
926 .function = proxy_server_create_command_fn,
930 proxy_main_init (vlib_main_t * vm)
932 proxy_main_t *pm = &proxy_main;
933 pm->server_client_index = ~0;
934 pm->active_open_client_index = ~0;
939 VLIB_INIT_FUNCTION (proxy_main_init);
942 * fd.io coding-style-patch-verification: ON
945 * eval: (c-set-style "gnu")