test_call_hold.c 35.7 KB
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/*
 * This file is part of the Sofia-SIP package
 *
 * Copyright (C) 2005 Nokia Corporation.
 *
 * Contact: Pekka Pessi <pekka.pessi@nokia.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

/**@CFILE test_call_hold.c
 * @brief Test re-INVITE, call hold, un-hold.
 *
 * @author Pekka Pessi <Pekka.Pessi@nokia.com>
 * @author Martti Mela <Martti Mela@nokia.com>
 *
 * @date Created: Wed Aug 17 12:12:12 EEST 2005 ppessi
 */

#include "config.h"

#include "test_nua.h"
#include <sofia-sip/su_tag_class.h>

#if HAVE_FUNC
#elif HAVE_FUNCTION
#define __func__ __FUNCTION__
#else
#define __func__ "test_call_hold"
#endif

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int complete_call(CONDITION_PARAMS);
int until_complete(CONDITION_PARAMS);
int invite_responded(CONDITION_PARAMS);
static size_t remove_first_ack(void *_once, void *message, size_t len);
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/* ======================================================================== */
/* test_call_hold message sequence looks like this:

 A                    B
 |                    |
 |-------INVITE------>|
 |<----100 Trying-----|
 |                    |
 |<----180 Ringing----|
 |                    |
 |<--------200--------|
 |---------ACK------->|
 :                    :
 |--INVITE(sendonly)->|
 |<---200(recvonly)---|
 |---------ACK------->|
 :                    :
 |<-INVITE(inactive)--|
 |----200(inactive)-->|
 |<--------ACK--------|
 :                    :
 |--INVITE(recvonly)->|
 |<---200(sendonly)---|
 |---------ACK------->|
 :                    :
 |<-INVITE(sendrecv)--|
 |----200(sendrecv)-->|
 |<--------ACK--------|
 :                    :
 |--------INFO------->|
 |<--------200--------|
 :                    :
 |---------BYE------->|
 |<--------200--------|
*/

int test_call_hold(struct context *ctx)
{
  BEGIN();

  struct endpoint *a = &ctx->a, *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;
  struct event *e;
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  sip_t *sip;
  int zero = 0;
  struct nat_filter *f;
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  a_call->sdp =
    "m=audio 5008 RTP/AVP 0 8\n"
    "m=video 6008 RTP/AVP 30\n";
  b_call->sdp =
    "m=audio 5010 RTP/AVP 8\n"
    "a=rtcp:5011\n"
    "m=video 6010 RTP/AVP 30\n"
    "a=rtcp:6011\n";

  TEST_1(a_call->nh = nua_handle(a->nua, a_call, SIPTAG_TO(b->to), TAG_END()));
  INVITE(a, a_call, a_call->nh,
	 TAG_IF(!ctx->proxy_tests, NUTAG_URL(b->contact->m_url)),
	 SOATAG_USER_SDP_STR(a_call->sdp),
	 TAG_END());

  run_ab_until(ctx, -1, until_ready, -1, accept_call);

  /*
    Client transitions:
    INIT -(C1)-> CALLING: nua_invite(), nua_i_state
    CALLING -(C2)-> PROCEEDING: nua_r_invite, nua_i_state
    PROCEEDING -(C3+C4)-> READY: nua_r_invite, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding); /* PROCEEDING */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  TEST_1(nua_handle_has_active_call(a_call->nh));
  TEST_1(!nua_handle_has_call_on_hold(a_call->nh));

  /*
   Server transitions:
   INIT -(S1)-> RECEIVED: nua_i_invite, nua_i_state
   RECEIVED -(S2a)-> EARLY: nua_respond(), nua_i_state
   EARLY -(S3b)-> COMPLETED: nua_respond(), nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 100);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_received); /* RECEIVED */
  TEST_1(is_offer_recv(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_ack);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(b_call->nh));
  TEST_1(!nua_handle_has_call_on_hold(b_call->nh));

  free_events_in_list(ctx, b->events);

  /*
 :                    :
 |--INVITE(sendonly)->|
 |<---200(recvonly)---|
 |---------ACK------->|
 :                    :
  */

  if (print_headings)
    printf("TEST NUA-7.1: put B on hold\n");

  /* Put B on hold */
  INVITE(a, a_call, a_call->nh, SOATAG_HOLD("audio"),
	 SIPTAG_SUBJECT_STR("hold b"),
	 TAG_END());
  run_ab_until(ctx, -1, until_ready, -1, until_ready);

  /* Client transitions:
     READY -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C3a+C4)-> READY: nua_r_invite, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDONLY);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(a_call->nh));
  TEST_1(nua_handle_has_call_on_hold(a_call->nh));

  free_events_in_list(ctx, a->events);

  /*
   Server transitions:
   READY -(S3a)-> COMPLETED: nua_i_invite, <auto-answer>, nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_RECVONLY);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_ack);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_RECVONLY);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(b_call->nh));
  TEST_1(!nua_handle_has_call_on_hold(b_call->nh));

  free_events_in_list(ctx, b->events);

  if (print_headings)
    printf("TEST NUA-7.1: PASSED\n");

  /* ------------------------------------------------------------------------ */
  /*
 :                    :
 |<-INVITE(inactive)--|
 |----200(inactive)-->|
 |<--------ACK--------|
 :                    :
  */

  if (print_headings)
    printf("TEST NUA-7.2: put A on hold\n");

  /* Put A on hold, too. */
  INVITE(b, b_call, b_call->nh, SOATAG_HOLD("audio"),
	 SIPTAG_SUBJECT_STR("hold a"),
	 TAG_END());
  run_ab_until(ctx, -1, until_ready, -1, until_ready);

  /* Client transitions:
     READY -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C3a+C4)-> READY: nua_r_invite, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(b_call->nh));
  TEST_1(nua_handle_has_call_on_hold(b_call->nh));

  free_events_in_list(ctx, b->events);

  /*
   Server transitions:
   READY -(S3a)-> COMPLETED: nua_i_invite, <auto-answer>, nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_ack);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(a_call->nh));
  TEST_1(nua_handle_has_call_on_hold(a_call->nh));

  free_events_in_list(ctx, a->events);

  if (print_headings)
    printf("TEST NUA-7.2: PASSED\n");

  /* ------------------------------------------------------------------------ */
  /*
 :                    :
 |--INVITE(recvonly)->|
 |<---200(sendonly)---|
 |---------ACK------->|
 :                    :
  */

  if (print_headings)
    printf("TEST NUA-7.3: resume B\n");

  /* Resume B from hold */
  INVITE(a, a_call, a_call->nh, SOATAG_HOLD(NULL),
	 SIPTAG_SUBJECT_STR("resume b"),
	 TAG_END());
  run_ab_until(ctx, -1, until_ready, -1, until_ready);

  /* Client transitions:
     READY -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C3a+C4)-> READY: nua_r_invite, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_RECVONLY);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  TEST_1(nua_handle_has_active_call(a_call->nh));
  TEST_1(!nua_handle_has_call_on_hold(a_call->nh));

  /*
   Server transitions:
   READY -(S3a)-> COMPLETED: nua_i_invite, <auto-answer>, nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDONLY);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_ack);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDONLY);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(b_call->nh));
  TEST_1(nua_handle_has_call_on_hold(b_call->nh));

  free_events_in_list(ctx, b->events);

  if (print_headings)
    printf("TEST NUA-7.3: PASSED\n");

  /* ------------------------------------------------------------------------ */
  /*
 :                    :
 |<-INVITE(sendrecv)--|
 |----200(sendrecv)-->|
 |<--------ACK--------|
 :                    :
  */

  if (print_headings)
    printf("TEST NUA-7.4: resume A\n");

  /* Resume A on hold, too. */
  INVITE(b, b_call, b_call->nh, SOATAG_HOLD(""),
	 SIPTAG_SUBJECT_STR("TEST NUA-7.4: resume A"),
	 TAG_END());
  run_ab_until(ctx, -1, until_ready, -1, until_ready);

  /* Client transitions:
     READY -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C3a+C4)-> READY: nua_r_invite, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  TEST_1(nua_handle_has_active_call(a_call->nh));
  TEST_1(!nua_handle_has_call_on_hold(a_call->nh));

  /*
   Server transitions:
   READY -(S3a)-> COMPLETED: nua_i_invite, <auto-answer>, nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_ack);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(b_call->nh));
  TEST_1(!nua_handle_has_call_on_hold(b_call->nh));

  free_events_in_list(ctx, a->events);

  if (print_headings)
    printf("TEST NUA-7.4: PASSED\n");

  /* ---------------------------------------------------------------------- */
  /*
 A                    B
 |--------INFO------->|
 |<--------200--------|
   */
  if (print_headings)
    printf("TEST NUA-7.5: send INFO\n");

  INFO(a, a_call, a_call->nh, TAG_END());
  run_a_until(ctx, -1, save_until_final_response);
  /* XXX - B should get a  nua_i_info event with 405 */

  /* A sent INFO, receives 405 */
  TEST_1(e = a->events->head);  TEST_E(e->data->e_event, nua_r_info);
  TEST(e->data->e_status, 405);
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

#if 0				/* XXX */
  /* B received INFO */
  TEST_1(e = b->events->head);  TEST_E(e->data->e_event, nua_i_info);
  TEST(e->data->e_status, 405);
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);
#endif

  /* Add INFO to allowed methods */
  nua_set_hparams(b_call->nh, NUTAG_ALLOW("INFO, PUBLISH"), TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);

  INFO(a, a_call, a_call->nh, TAG_END());
  run_ab_until(ctx, -1, save_until_final_response, -1, save_until_received);

  /* A sent INFO, receives 200 */
  TEST_1(e = a->events->head);  TEST_E(e->data->e_event, nua_r_info);
  TEST(e->data->e_status, 200);
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  /* B received INFO */
  TEST_1(e = b->events->head);  TEST_E(e->data->e_event, nua_i_info);
  TEST(e->data->e_status, 200);
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
    printf("TEST NUA-7.5: PASSED\n");

  /* ------------------------------------------------------------------------ */
  /*
 :                    :
 |<------INVITE-------|
 |--------200-------->|
 |<--------ACK--------|
 :                    :
  */

  if (print_headings)
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    printf("TEST NUA-7.6.1: re-INVITE without auto-ack\n");
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  /* Turn off auto-ack */
  nua_set_hparams(b_call->nh, NUTAG_AUTOACK(0), TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);

  INVITE(b, b_call, b_call->nh, SOATAG_HOLD(""),
	 SIPTAG_SUBJECT_STR("TEST NUA-7.6: re-INVITE without auto-ack"),
	 TAG_END());
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  run_ab_until(ctx, -1, until_complete, -1, complete_call);
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  /* Client transitions:
     READY -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C3a)-> COMPLETING: nua_r_invite, nua_i_state
     COMPLETING -(C4)-> READY: nua_ack(), nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completing); /* COMPLETING */
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);
502

503 504 505 506 507 508 509 510 511 512 513 514 515
  free_events_in_list(ctx, b->events);

  /*
   Server transitions:
   READY -(S3a)-> COMPLETED: nua_i_invite, <auto-answer>, nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
516 517 518 519 520 521 522 523 524 525 526
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  ACK(b, b_call, b_call->nh, TAG_END());

  run_ab_until(ctx, -1, until_ready, -1, until_ready);

  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);
527

528
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_ack);
529 530 531 532 533 534 535 536
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_SENDRECV);
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  if (print_headings)
537
    printf("TEST NUA-7.6.1: PASSED\n");
538

539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610
  /* ------------------------------------------------------------------------ */
  /*
 :                    :
 |<------INVITE-------|
 |--------200-------->|
 |<--------ACK--------|
 :                    :
  */

  if (ctx->proxy_tests && ctx->nat) {
  if (print_headings)
    printf("TEST NUA-7.6.2: almost overlapping re-INVITE\n");

  /* Turn off auto-ack */
  nua_set_hparams(b_call->nh, NUTAG_AUTOACK(0), TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);

  INVITE(b, b_call, b_call->nh, SOATAG_HOLD("#"),
	 SIPTAG_SUBJECT_STR("TEST NUA-7.6.2: re-INVITE"),
	 TAG_END());
  run_ab_until(ctx, -1, until_complete, -1, complete_call);

  /* Client transitions:
     READY -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C3a)-> COMPLETING: nua_r_invite, nua_i_state
     COMPLETING -(C4)-> READY: nua_ack(), nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completing); /* COMPLETING */
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST_1(!e->next);

  free_events_in_list(ctx, b->events);

  /*
   Server transitions:
   READY -(S3a)-> COMPLETED: nua_i_invite, <auto-answer>, nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  f = test_nat_add_filter(ctx->nat, remove_first_ack, &zero, nat_inbound);

  ACK(b, b_call, b_call->nh, TAG_END());
  INVITE(b, b_call, b_call->nh, SOATAG_HOLD("*"),
	 SIPTAG_SUBJECT_STR("TEST NUA-7.6.2: almost overlapping re-INVITE"),
	 NUTAG_AUTOACK(1),
	 TAG_END());

  run_ab_until(ctx, -1, until_ready, -1, invite_responded);

  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST(e->data->e_status, 100);
  TEST_1(sip = sip_object(e->data->e_msg));
  TEST_1(sip->sip_retry_after);
611 612 613 614 615 616 617

#if 1
  if (e->next) {
    free_events_in_list(ctx, b->events);
    free_events_in_list(ctx, a->events);
    goto passed;	/* XXX - once in a while B *does* retry */
  }
618
  TEST_1(!e->next);
619
#endif
620
  free_events_in_list(ctx, b->events);
621

622 623 624 625 626 627 628 629 630 631 632 633 634
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_i_ack);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST(video_activity(e->data->e_tags), SOA_ACTIVE_INACTIVE);
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  test_nat_remove_filter(ctx->nat, f);

  if (print_headings)
    printf("TEST NUA-7.6.2: PASSED\n");
  }
635

636 637 638 639 640 641 642 643 644

  /* ---------------------------------------------------------------------- */
  /*
 A                    B
 |---------BYE------->|
 |<--------200--------|
   */

  if (print_headings)
645
    printf("TEST NUA-7.6.3: terminate call\n");
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665

  BYE(a, a_call, a_call->nh, TAG_END());
  run_ab_until(ctx, -1, until_terminated, -1, until_terminated);

  /*
   Transitions of A:
   READY --(T2)--> TERMINATING: nua_bye()
   TERMINATING --(T3)--> TERMINATED: nua_r_bye, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_r_bye);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_terminated); /* TERMINATED */
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  /* Transitions of B:
     READY -(T1)-> TERMINATED: nua_i_bye, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_bye);
  TEST(e->data->e_status, 200);
666 667 668 669
  if (ctx->proxy_tests && ctx->nat) {
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST(e->data->e_status, 481);
  }
670 671 672 673 674
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_terminated); /* TERMINATED */
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

675 676
 passed:

677
  if (print_headings)
678
    printf("TEST NUA-7.6.3: PASSED\n");
679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694

  nua_handle_destroy(a_call->nh), a_call->nh = NULL;
  nua_handle_destroy(b_call->nh), b_call->nh = NULL;

  END();
}

/*
 INVITE without auto-ack
 X
 |                    |
 |-------INVITE------>|
 |<--------200--------|
 |                    |
 |---------ACK------->|
*/
695
int complete_call(CONDITION_PARAMS)
696 697 698 699 700 701 702 703
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (callstate(tags)) {
  case nua_callstate_completing:
704 705 706 707 708 709 710 711
    return 1;
  case nua_callstate_ready:
    return 1;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
712
    return 0;
713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730
  }
}

/*
 X      INVITE
 |                    |
 |-------INVITE------>|
 |<--------200--------|
*/
int until_complete(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (callstate(tags)) {
  case nua_callstate_completed:
731 732 733 734 735 736 737 738 739 740 741
  case nua_callstate_ready:
    return 1;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
}

742 743 744
static size_t remove_first_ack(void *_once, void *message, size_t len)
{
  int *once = _once;
745

746 747 748 749 750 751 752 753 754 755 756 757
  if (*once)
    return len;

  if (strncmp("ACK ", message, 4) == 0) {
    printf("FILTERING %.*s\n", strcspn(message, "\r\n"), (char *)message);
    *once = 1;
    return 0;
  }

  return len;
}

758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
/* ======================================================================== */
/* test_reinvite message sequence looks like this:

 A                    B
 |                    |
 |-------INVITE------>|
 |<----100 Trying-----|
 |                    |
 |<----180 Ringing----|
 |                    |
 |<--------200--------|
 |---------ACK------->|
 :                    :
 |<----re-INVITE------|
 |<-------BYE---------|
 |--------200-------->|
 |-----487-INVITE---->|
 |<--------ACK--------|
*/

int accept_no_save(CONDITION_PARAMS);
int ringing_until_terminated(CONDITION_PARAMS);
int bye_when_ringing(CONDITION_PARAMS);

int test_reinvite(struct context *ctx)
{
  BEGIN();

  struct endpoint *a = &ctx->a, *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;

  if (print_headings)
    printf("TEST NUA-7.7: Test re-INVITE and BYE\n");

  a_call->sdp = "m=audio 5008 RTP/AVP 0 8\n";
  b_call->sdp = "m=audio 5010 RTP/AVP 8\n";

795 796
  TEST_1(a_call->nh =
	 nua_handle(a->nua, a_call,
797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825
		    SIPTAG_FROM_STR("Alice <sip:alice@example.com>"),
		    SIPTAG_TO(b->to),
		    NUTAG_AUTOANSWER(0),
		    TAG_END()));
  INVITE(a, a_call, a_call->nh,
	 TAG_IF(!ctx->proxy_tests, NUTAG_URL(b->contact->m_url)),
	 SOATAG_USER_SDP_STR(a_call->sdp),
	 TAG_END());

  run_ab_until(ctx, -1, accept_no_save, -1, accept_no_save);

  TEST_1(nua_handle_has_active_call(a_call->nh));
  TEST_1(nua_handle_has_active_call(b_call->nh));

  free_events_in_list(ctx, a->events);
  free_events_in_list(ctx, b->events);

/*
 A                    B
 |<----re-INVITE------|
 |<------CANCEL-------|
 |<-------BYE---------|
 |-----200-CANCEL---->|
 |------200-BYE------>|
 |-----487-INVITE---->|
 |<--------ACK--------|
*/

  /* re-INVITE A, send BYE after receiving 180 */
826
  INVITE(b, b_call, b_call->nh,
827 828 829 830
	 SIPTAG_SUBJECT_STR("re-INVITE"),
	 TAG_END());
  /* Run until both a and b has terminated their call */
  run_ab_until(ctx, -1, ringing_until_terminated, -1, bye_when_ringing);
831

832
#if notyet
833 834
  struct event *e;

835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851
  /* XXX - check events later - now we are happy that calls get terminated  */
  /* Client events:
   READY -(C1)-> CALLING: nua_invite(), nua_i_state
   CALLING --(C2)--> PROCEEDING: nua_r_invite, nua_i_state, nua_bye()
   PROCEEDING--((C3a+C4)-> READY: nua_r_invite, nua_i_state
   READY --(T2)--> TERMINATING: nua_bye()
   TERMINATING --(T3)--> TERMINATED: nua_r_bye, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_calling); /* CALLING */
  TEST_1(is_offer_sent(e->data->e_tags));
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_invite);
  TEST(e->data->e_status, 180);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_terminating); /* READY */
  /* Now we can receive events, in any possible order */
  /* XXX */
852 853
  TEST_1(e = e->next);

854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892
  TEST_1(!nua_handle_has_active_call(a_call->nh));

  /*
   Server transitions:
   READY --(T2)--> CTERMINATING: nua_bye()
   TERMINATING --(T3)--> TERMINATED: nua_r_bye, nua_i_state
   READY -(S3a)-> COMPLETED: nua_i_invite, <auto-answer>, nua_i_state
   COMPLETED -(S4)-> READY: nua_i_ack, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(is_answer_sent(e->data->e_tags));
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_RECVONLY);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_ack);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_ready); /* READY */
  TEST(audio_activity(e->data->e_tags), SOA_ACTIVE_RECVONLY);
  TEST_1(!e->next);

  TEST_1(nua_handle_has_active_call(b_call->nh));
  TEST_1(!nua_handle_has_call_on_hold(b_call->nh));

#endif

  if (print_headings)
    printf("TEST NUA-7.7: PASSED\n");

  free_events_in_list(ctx, a->events);
  free_events_in_list(ctx, b->events);

  nua_handle_destroy(a_call->nh), a_call->nh = NULL;
  nua_handle_destroy(b_call->nh), b_call->nh = NULL;

  END();
}

/*
893
 Accept INVITE
894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944
 X
 |                    |
 |-------INVITE------>|
 |<--------200--------|
 |                    |
 |---------ACK------->|
*/
int accept_no_save(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  switch (callstate(tags)) {
  case nua_callstate_received:
    RESPOND(ep, call, nh, SIP_200_OK,
	    TAG_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    TAG_END());
    return 0;
  case nua_callstate_ready:
    return 1;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
}

int ringing_until_terminated(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (callstate(tags)) {
  case nua_callstate_received:
    RESPOND(ep, call, nh, SIP_180_RINGING, TAG_END());
    return 0;
  case nua_callstate_ready:
    return 0;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
}

945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000
/* ======================================================================== */

int accept_and_attempt_reinvite(CONDITION_PARAMS);
int until_ready2(CONDITION_PARAMS);

/* test_reinvite2 message sequence looks like this:

 A                    B
 |                    |
 |-------INVITE------>|
 |<----100 Trying-----|
 |                    |
 |<----180 Ringing----|
 |                    |
 |           /-INVITE-|
 |           \---900->|
 |                    |
 |<--------200--------|
 |---------ACK------->|
 :                    :
 :   queue INVITE     :
 :                    :
 |-----re-INVITE----->|
 |<--------200--------|
 |---------ACK------->|
 |-----re-INVITE----->|
 |<--------200--------|
 |---------ACK------->|
 :                    :
 :        glare       :
 :                    :
 |-----re-INVITE----->|
 |<----re-INVITE------|
 |<--------491--------|
 |---------491------->|
 |---------ACK------->|
 |<--------ACK--------|
 :                    :
 |---------BYE------->|
 |<--------200--------|
*/

int test_reinvite2(struct context *ctx)
{
  BEGIN();

  struct endpoint *a = &ctx->a, *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;
  struct event *e;

  if (print_headings)
    printf("TEST NUA-7.8.1: Test re-INVITE glare\n");

  a_call->sdp = "m=audio 5008 RTP/AVP 0 8\n";
  b_call->sdp = "m=audio 5010 RTP/AVP 8\n";

1001 1002
  TEST_1(a_call->nh =
	 nua_handle(a->nua, a_call,
1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100
		    SIPTAG_FROM_STR("Alice <sip:alice@example.com>"),
		    SIPTAG_TO(b->to),
		    TAG_END()));
  INVITE(a, a_call, a_call->nh,
	 TAG_IF(!ctx->proxy_tests, NUTAG_URL(b->contact->m_url)),
	 SOATAG_USER_SDP_STR(a_call->sdp),
	 TAG_END());

  run_ab_until(ctx, -1, until_ready, -1, accept_and_attempt_reinvite);

  TEST_1(nua_handle_has_active_call(a_call->nh));
  TEST_1(nua_handle_has_active_call(b_call->nh));

  free_events_in_list(ctx, a->events);
  free_events_in_list(ctx, b->events);

  /* Check that we can queue INVITEs */
  INVITE(a, a_call, a_call->nh, TAG_END());
  INVITE(a, a_call, a_call->nh, TAG_END());

  run_ab_until(ctx, -1, until_ready2, -1, until_ready2);

  free_events_in_list(ctx, a->events);
  free_events_in_list(ctx, b->events);

  /* Check that INVITE glare works */
  INVITE(a, a_call, a_call->nh, TAG_END());
  INVITE(b, b_call, b_call->nh, TAG_END());

  a->flags.n = 0, b->flags.n = 0;
  run_ab_until(ctx, -1, until_ready2, -1, until_ready2);

  free_events_in_list(ctx, a->events);
  free_events_in_list(ctx, b->events);

  if (print_headings)
    printf("TEST NUA-7.8.1: PASSED\n");



  /* ---------------------------------------------------------------------- */
  /*
 A                    B
 |---------BYE------->|
 |<--------200--------|
   */

  if (print_headings)
    printf("TEST NUA-7.8.2: terminate call\n");

  BYE(a, a_call, a_call->nh, TAG_END());
  run_ab_until(ctx, -1, until_terminated, -1, until_terminated);

  /*
   Transitions of A:
   READY --(T2)--> TERMINATING: nua_bye()
   TERMINATING --(T3)--> TERMINATED: nua_r_bye, nua_i_state
  */
  TEST_1(e = a->events->head); TEST_E(e->data->e_event, nua_r_bye);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_terminated); /* TERMINATED */
  TEST_1(!e->next);
  free_events_in_list(ctx, a->events);

  /* Transitions of B:
     READY -(T1)-> TERMINATED: nua_i_bye, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_bye);
  TEST(e->data->e_status, 200);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_terminated); /* TERMINATED */
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
    printf("TEST NUA-7.8.2: PASSED\n");

  nua_handle_destroy(a_call->nh), a_call->nh = NULL;
  nua_handle_destroy(b_call->nh), b_call->nh = NULL;

  END();
}

int accept_and_attempt_reinvite(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  if (event == nua_i_prack) {
    INVITE(ep, call, nh, TAG_END());
    RESPOND(ep, call, nh, SIP_200_OK,
	    TAG_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    TAG_END());
  }
  else switch (callstate(tags)) {
  case nua_callstate_received:
1101
    RESPOND(ep, call, nh, SIP_180_RINGING,
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	    SIPTAG_REQUIRE_STR("100rel"),
	    TAG_END());
    return 0;
  case nua_callstate_early:
    return 0;
  case nua_callstate_ready:
    return 1;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
  return 0;
}

/*
 X      INVITE
 |                    |
 |-------INVITE------>|
 |<--------200--------|
 |---------ACK------->|
*/
int until_ready2(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  if (event == nua_r_invite && status == 491) {
    if (ep == &ctx->a && ++ctx->b.flags.n >= 2) ctx->b.running = 0;
    if (ep == &ctx->b && ++ctx->a.flags.n >= 2) ctx->a.running = 0;
  }

  switch (callstate(tags)) {
  case nua_callstate_ready:
    return ++ep->flags.n >= 2;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
}

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int invite_responded(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  return event == nua_r_invite && status >= 100;
}


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int test_reinvites(struct context *ctx)
{
  int retval = 0;

  if (print_headings)
    printf("TEST NUA-7: Test call hold and re-INVITEs\n");

  retval = test_call_hold(ctx);
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1170
  if (retval == 0)
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    retval = test_reinvite(ctx);

  if (retval == 0)
    retval = test_reinvite2(ctx);
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  if (print_headings && retval == 0)
    printf("TEST NUA-7: PASSED\n");

  return retval;
}