test_100rel.c 66 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_nua_100rel.c
 * @brief NUA-10 tests: early session, PRACK, UPDATE, precondition.
 *
 * @author Pekka Pessi <Pekka.Pessi@nokia.com>
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 * @author Martti Mela <Martti.Mela@nokia.com>
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 *
 * @date Created: Wed Aug 17 12:12:12 EEST 2005 ppessi
 */

#include "config.h"

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

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

/* ======================================================================== */

/*
 X  accept_pracked    ep
 |-------INVITE------>|
 |        (sdp)       |
 |                    |
 |<----100 Trying-----|
 |                    |
 |<-------180---------|
 |       (sdp)        |
 |-------PRACK------->|
 |<-------200---------|
 |                    |
 |<------200 OK-------|
 |--------ACK-------->|
 |                    |
*/
int accept_pracked(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (event) {
  case nua_i_prack:
    if (200 <= status && status < 300) {
      RESPOND(ep, call, nh, SIP_200_OK, TAG_END());
      ep->next_condition = until_ready;
    }
  default:
    break;
  }

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

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int accept_pracked2(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_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    TAG_END());
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    RESPOND(ep, call, nh, SIP_200_OK, 
	    NUTAG_INCLUDE_EXTRA_SDP(1),
	    TAG_END());
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    return 0;
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  case nua_callstate_ready:
    return 1;
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  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
}


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int test_180rel(struct context *ctx)
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{
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  BEGIN();
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  struct endpoint *a = &ctx->a,  *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;
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  struct event *e, *ep, *ei;
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  sip_t *sip;
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  if (print_headings)
    printf("TEST NUA-10.1.1: Call with 100rel and 180\n");
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/* Test for 100rel:

   A			B
   |-------INVITE------>|
   |<----100 Trying-----|
   |			|
   |<-------180---------|
   |-------PRACK------->|
   |<-------200---------|
   |			|
   |<------200 OK-------|
   |--------ACK-------->|
   |			|
   |<-------BYE---------|
   |-------200 OK-------|
   |			|
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*/

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  a_call->sdp = "m=audio 5008 RTP/AVP 8";
  b_call->sdp = "m=audio 5010 RTP/AVP 0 8";
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  nua_set_params(ctx->a.nua,
		 NUTAG_EARLY_MEDIA(1),
		 TAG_END());
  run_a_until(ctx, nua_r_set_params, until_final_response);
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  nua_set_params(ctx->b.nua,
		 NUTAG_EARLY_MEDIA(1),
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		 NUTAG_SESSION_TIMER(180),
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		 TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);
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  TEST_1(a_call->nh = nua_handle(a->nua, a_call, SIPTAG_TO(b->to), TAG_END()));
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  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());
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  run_ab_until(ctx, -1, until_ready, -1, accept_pracked2);
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  /* Client transitions:
     INIT -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C2)-> PROCEEDING: nua_r_invite, nua_i_state, nua_r_prack
     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(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_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

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  ei = event_by_type(e->next, nua_r_invite);
  ep = event_by_type(e->next, nua_r_prack);
  if (!ep) {
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    run_a_until(ctx, -1, save_until_final_response);
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    ep = event_by_type(e->next, nua_r_prack);
  }

  TEST_1(e = ep); TEST_E(e->data->e_event, nua_r_prack);
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  TEST(e->data->e_status, 200);

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  TEST_1(e = ei); TEST_E(e->data->e_event, nua_r_invite);
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  TEST(e->data->e_status, 200);
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  TEST_1(sip = sip_object(e->data->e_msg));
  TEST_1(sip->sip_content_type);
  TEST_S(sip->sip_content_type->c_type, "application/sdp");
  TEST_1(sip->sip_payload);
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  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_offer_answer_done(e->data->e_tags));
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  TEST_1(!e->next || !ep->next);
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  free_events_in_list(ctx, a->events);

  /*
   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));

  /* Responded with 180 Ringing */
  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(is_answer_sent(e->data->e_tags));

  /* 180 is PRACKed */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  /* Does not have effect on call state */

  /* Respond with 200 OK */
  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_offer_answer_done(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_1(!is_offer_answer_done(e->data->e_tags));
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
    printf("TEST NUA-10.1.1: PASSED\n");

  if (print_headings)
    printf("TEST NUA-10.1.2: terminate call\n");

  BYE(b, b_call, b_call->nh, TAG_END());
  run_ab_until(ctx, -1, until_terminated, -1, until_terminated);

  /* B transitions:
   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_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, b->events);

  /* A: READY -(T1)-> TERMINATED: nua_i_bye, nua_i_state */
  TEST_1(e = a->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, a->events);

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

  if (print_headings)
    printf("TEST NUA-10.1.2: PASSED\n");
  
  END();
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}

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

  save_event_in_list(ctx, event, ep, call);

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  if (status == 401 || status == 407) {
    AUTHENTICATE(ep, call, nh,
		 NUTAG_AUTH("Digest:\"test-proxy\":charlie:secret"),
		 TAG_END());
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  }

  switch (callstate(tags)) {
  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;
  }
}

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/** Test authentication for PRACK */
int test_prack_auth(struct context *ctx)
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{
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  if (!ctx->proxy_tests)
    return 0;

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  BEGIN();

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  struct endpoint *c = &ctx->c,  *b = &ctx->b;
  struct call *c_call = c->call, *b_call = b->call;
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  struct event *e, *ep, *ei;
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  sip_t *sip;
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  sip_proxy_authenticate_t *au;
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  if (print_headings)
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    printf("TEST NUA-10.1.3: Call with 100rel, PRACK is challenged\n");
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/* Test for authentication during 100rel
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   C			B
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   |-------INVITE--\    |
   |<-------407----/    |
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   |			|
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   |-------INVITE------>|
   |<----100 Trying-----|
   |			|
   |<-------180---------|
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   |-------PRACK---\    |
   |<-------407----/    |
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   |-------PRACK------->|
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   |<-------200---------|
   |			|
   |<------200 OK-------|
   |--------ACK-------->|
   |			|
   |<-------BYE---------|
   |-------200 OK-------|
   |			|

*/

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

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  nua_set_params(ctx->c.nua,
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		 NUTAG_EARLY_MEDIA(1),
		 TAG_END());
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  run_c_until(ctx, nua_r_set_params, until_final_response);
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  nua_set_params(ctx->b.nua,
		 NUTAG_EARLY_MEDIA(1),
		 TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);

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

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  run_bc_until(ctx, -1, accept_pracked, -1, authenticate_until_ready);
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  /* Client transitions:
     INIT -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C2)-> PROCEEDING: nua_r_invite, nua_i_state, nua_r_prack
     PROCEEDING -(C3+C4)-> READY: nua_r_invite, nua_i_state
  */
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  TEST_1(e = c->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, 407);
  TEST_1(sip = sip_object(e->data->e_msg));
  TEST_1(au = sip->sip_proxy_authenticate); 

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
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  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_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

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  ei = event_by_type(e->next, nua_r_invite);
  ep = event_by_type(e->next, nua_r_prack);
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  TEST_1(e = ep); TEST_E(e->data->e_event, nua_r_prack);
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  if (e->data->e_status == 100 || e->data->e_status == 407) {
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    /* The final response to PRACK may be received after ACK is sent */
    if (!event_by_type(e->next, nua_r_prack))
      run_bc_until(ctx, -1, save_events, -1, save_until_final_response);
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    TEST_1(e = ep = event_by_type(e->next, nua_r_prack));
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  }
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  TEST_E(e->data->e_event, nua_r_prack);
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  TEST(e->data->e_status, 200);
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  TEST_1(sip = sip_object(e->data->e_msg));
  TEST_1(sip->sip_from->a_url->url_user);
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  TEST_1(e = ei); TEST_E(e->data->e_event, nua_r_invite);
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  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_ready); /* READY */
  TEST_1(!is_offer_answer_done(e->data->e_tags));
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  TEST_1(!e->next || !ep->next);
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  free_events_in_list(ctx, c->events);
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  /*
   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));

  /* Responded with 180 Ringing */
  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(is_answer_sent(e->data->e_tags));

  /* 180 is PRACKed */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  /* Does not have effect on call state */

  /* Respond with 200 OK */
  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_offer_answer_done(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_1(!is_offer_answer_done(e->data->e_tags));
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
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    printf("TEST NUA-10.1.3: PASSED\n");
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  if (print_headings)
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    printf("TEST NUA-10.1.4: terminate call\n");
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  BYE(b, b_call, b_call->nh, TAG_END());
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  run_bc_until(ctx, -1, until_terminated, -1, until_terminated);
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  /* B transitions:
   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_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, b->events);

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  /* C: READY -(T1)-> TERMINATED: nua_i_bye, nua_i_state */
  TEST_1(e = c->events->head); TEST_E(e->data->e_event, nua_i_bye);
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  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);
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  free_events_in_list(ctx, c->events);
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  nua_handle_destroy(c_call->nh), c_call->nh = NULL;
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  nua_handle_destroy(b_call->nh), b_call->nh = NULL;

  if (print_headings)
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    printf("TEST NUA-10.1.4: PASSED\n");
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  END();
}
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/*
 X  ringing_pracked    ep
 |-------INVITE------>|
 |<----100 Trying-----|
 |                    |
 |<-------183---------|
 |-------PRACK------->|
 |<-------200---------|
 |                    |
 |<-------180---------|
 |-------PRACK------->|
 |<-------200---------|
 |                    |
 |<------200 OK-------|
 |--------ACK-------->|
 |                    |
*/
int ringing_pracked(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (event) {
  case nua_i_prack:
    if (200 <= status && status < 300) {
      RESPOND(ep, call, nh, SIP_180_RINGING, TAG_END());
      ep->next_condition = accept_pracked;
    }
  default:
    break;
  }

  switch (callstate(tags)) {
  case nua_callstate_received:
    RESPOND(ep, call, nh, SIP_183_SESSION_PROGRESS,
	    TAG_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    TAG_END());
    return 0;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
}

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int respond_483_to_prack(CONDITION_PARAMS);
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static int prack_100rel(CONDITION_PARAMS);
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int test_183rel(struct context *ctx)
{
  BEGIN();

  struct endpoint *a = &ctx->a,  *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;
564
  struct event *e, *ei, *ep;
565 566

  if (print_headings)
567
    printf("TEST NUA-10.2.1: Call with 100rel, 183 and 180\n");
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

  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, ringing_pracked);

  /* Client transitions:
     INIT -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C2)-> PROCEEDING: nua_r_invite, nua_i_state, nua_r_prack
     PROCEEDING -(C2)-> PROCEEDING: nua_r_invite, nua_i_state, nua_r_prack
     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(e->data->e_status, 183);

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

596
  TEST_1(e = e->next);
597

598 599 600 601 602 603 604
  ep = e->data->e_event == nua_r_prack ? e : NULL;

  if (ep) {
    TEST(ep->data->e_status, 200); TEST_1(e = e->next);
  }

  TEST_E(e->data->e_event, nua_r_invite);
605 606 607 608 609
  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_proceeding);
  TEST_1(!is_offer_answer_done(e->data->e_tags));
610 611 612 613 614 615 616 617 618
  
  if (!ep) {
    TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_prack);
    TEST(e->data->e_status, 200);
  }
    
  ei = event_by_type(e->next, nua_r_invite);
  ep = event_by_type(e->next, nua_r_prack);
  if (!ep) {
619
    run_a_until(ctx, -1, save_until_final_response);
620 621
    ep = event_by_type(e->next, nua_r_prack);
  }
622

623
  TEST_1(e = ep); TEST_E(e->data->e_event, nua_r_prack);
624 625
  TEST(e->data->e_status, 200);

626
  TEST_1(e = ei); TEST_E(e->data->e_event, nua_r_invite);
627 628 629 630 631
  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_ready); /* READY */
  TEST_1(!is_offer_answer_done(e->data->e_tags));
632
  TEST_1(!e->next || !ep->next);
633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681
  free_events_in_list(ctx, a->events);

  /*
   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));

  /* Responded with 183 Session Progress */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 183);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(is_answer_sent(e->data->e_tags));

  /* 183 is PRACKed */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  /* Does not have effect on call state */

  /* Responded with 180 Ringing */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 180);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(!is_offer_answer_done(e->data->e_tags));

  /* 180 is PRACKed */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  /* Does not have effect on call state */

  /* Respond with 200 OK */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 200);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(!is_offer_answer_done(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_1(!is_offer_answer_done(e->data->e_tags));
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
682
    printf("TEST NUA-10.2.1: PASSED\n");
683

684
  /* Test for graceful termination by client because 483 sent to PRACK */
685
  if (print_headings)
686
    printf("TEST NUA-10.2.2: graceful termination because PRACK fails\n");
687

688
  nua_set_hparams(a_call->nh, NUTAG_APPL_METHOD("PRACK"), TAG_END());
689 690
  nua_set_hparams(b_call->nh, NUTAG_APPL_METHOD("PRACK"),
		  NUTAG_AUTOANSWER(0), TAG_END());
691
  run_ab_until(ctx, nua_r_set_params, NULL, nua_r_set_params, NULL);
692

693 694
  INVITE(a, a_call, a_call->nh, TAG_END());

695
  run_ab_until(ctx, -1, prack_100rel, -1, respond_483_to_prack);
696 697 698 699 700 701

  /* Client transitions:
     INIT -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C2)-> TERMINATING: nua_r_invite, nua_i_state, 
                                  nua_r_prack, nua_i_state
     TERMINATING -(T1)-> TERMINATED: nua_r_invite, nua_i_state
702
  */
703 704 705 706 707 708 709
  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(e->data->e_status, 183);

710
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_prack);
  TEST(e->data->e_status, 483);

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_terminating);

  {
    int bye = 1, cancel = 1, invite = 1;

    while (bye || cancel || invite) {
      TEST_1(e = e->next); 
      if (e->data->e_event == nua_r_bye) {
	TEST_E(e->data->e_event, nua_r_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);
	bye = 0;
      }
      else if (e->data->e_event == nua_r_invite) {
	TEST_E(e->data->e_event, nua_r_invite);
	TEST(e->data->e_status, 487);
	invite = 0;
      }
      else if (e->data->e_event == nua_r_cancel) {
	TEST_E(e->data->e_event, nua_r_cancel);
	TEST_1(e->data->e_status == 200 || e->data->e_status == 481);
	cancel = 0;
      }
    }
  }
745 746
  TEST_1(!e->next);

747 748 749 750 751 752 753 754 755 756
  free_events_in_list(ctx, a->events);

  /*
   Server transitions:
   INIT -(S1)-> RECEIVED: nua_i_invite, nua_i_state
   RECEIVED -(S2a)-> EARLY: nua_respond(), nua_i_state, nua_respond(to PRACK)
   EARLY -(S3b)-> TERMINATED: nua_i_bye, nua_i_state
  */
  TEST_1(e = b->events->head); TEST_E(e->data->e_event, nua_i_invite);
  TEST(e->data->e_status, 100);
757
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
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
  TEST(callstate(e->data->e_tags), nua_callstate_received); /* RECEIVED */
  TEST_1(is_offer_recv(e->data->e_tags));

  /* Responded with 183 Session Progress */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 183);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(is_answer_sent(e->data->e_tags));

  /* 183 is PRACKed, PRACK is responded with 483 */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);

  /* Client terminates the call 
     - we may (it is received before BYE) or may not (received after BYE) 
       get CANCEL request 
  */
  TEST_1(e = e->next);
  if (e->data->e_event == nua_i_cancel) {
    TEST_E(e->data->e_event, nua_i_cancel);
    TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
    TEST(callstate(e->data->e_tags), nua_callstate_ready);
    TEST_1(e = e->next);
  }

  TEST_E(e->data->e_event, nua_i_bye);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_terminated);
785
  TEST_1(!e->next);
786 787

  free_events_in_list(ctx, b->events);
788 789 790 791 792

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

  if (print_headings)
793
    printf("TEST NUA-10.2.2: PASSED\n");
794

795 796 797
  END();
}

798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820
static int prack_100rel(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 && 100 < status && status < 200 &&
      sip_has_feature(sip->sip_require, "100rel")) {
    sip_rack_t rack[1];

    sip_rack_init(rack);
    rack->ra_response = sip->sip_rseq->rs_response;
    rack->ra_cseq = sip->sip_cseq->cs_seq;
    rack->ra_method = sip->sip_cseq->cs_method;
    rack->ra_method_name = sip->sip_cseq->cs_method_name;

    nua_prack(nh, SIPTAG_RACK(rack), TAG_END());
  }

  return event == nua_i_state && callstate(tags) == nua_callstate_terminated;
}

821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853
int respond_483_to_prack(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  switch (event) {
  case nua_i_prack:
    if (status <= 200) {
      RESPOND(ep, call, nh, 483, "Foo",
	      NUTAG_WITH_THIS(nua),
	      TAG_END());
    }
  default:
    break;
  }

  save_event_in_list(ctx, event, ep, call);

  switch (callstate(tags)) {
  case nua_callstate_received:
    RESPOND(ep, call, nh, SIP_183_SESSION_PROGRESS,
	    TAG_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    TAG_END());
    return 0;
  case nua_callstate_terminated:
    if (call)
      nua_handle_destroy(call->nh), call->nh = NULL;
    return 1;
  default:
    return 0;
  }
}

854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925
/*
 X  ringing_updated   ep
 |-------INVITE------>|
 |       (sdp)        |
 |<----100 Trying-----|
 |                    |
 |<-------183---------|
 |       (sdp)        |
 |-------PRACK------->|
 |       (sdp)        |
 |<-------200---------|
 |       (sdp)        |
 |                    |
 |-------UPDATE------>|
 |       (sdp)        |
 |<-------200---------|
 |       (sdp)        |
 |                    |
<using  acccept_pracked>
 |                    |
 |<-------180---------|
 |-------PRACK------->|
 |<-------200---------|
 |                    |
 |<------200 OK-------|
 |--------ACK-------->|
 |                    |
*/
int ringing_updated(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (event) {
  case nua_i_update:
    if (200 <= status && status < 300) {
      RESPOND(ep, call, nh, SIP_180_RINGING, TAG_END());
      ep->next_condition = accept_pracked;
    }
    return 0;
  default:
    break;
  }

  switch (callstate(tags)) {
  case nua_callstate_received:
    RESPOND(ep, call, nh, SIP_183_SESSION_PROGRESS,
	    SIPTAG_REQUIRE_STR("100rel"),
	    TAG_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    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;
  }
}

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

  struct endpoint *a = &ctx->a,  *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;
926
  struct event *e, *ep, *ei;
927
  sip_t *sip;
928 929

  if (print_headings)
930
    printf("TEST NUA-10.3.1: Call with 100rel and preconditions\n");
931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986

/* Test for precondition:

   A			B
   |-------INVITE------>|
   |<----100 Trying-----|
   |			|
   |<-------183---------|
   |-------PRACK------->|
   |<-------200---------|
   |			|
   |-------UPDATE------>|
   |<-------200---------|
   |			|
   |<-------180---------|
   |-------PRACK------->|
   |<-------200---------|
   |			|
   |<------200 OK-------|
   |--------ACK-------->|
   |			|
   |<-------BYE---------|
   |-------200 OK-------|
   |			|

*/

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

  nua_set_params(ctx->a.nua,
		 NUTAG_EARLY_MEDIA(1),
		 SIPTAG_SUPPORTED_STR("100rel, precondition"),
		 TAG_END());
  run_a_until(ctx, nua_r_set_params, until_final_response);

  nua_set_params(ctx->b.nua,
		 NUTAG_EARLY_MEDIA(0),
		 SIPTAG_SUPPORTED_STR("100rel, precondition, timer"),
		 TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);

  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),
	 SIPTAG_SUPPORTED_STR("100rel"),
	 SIPTAG_REQUIRE_STR("precondition"),
	 TAG_END());

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

  /* Client transitions:
     INIT -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C2)-> PROCEEDING: nua_r_invite, nua_i_state
987 988
     PROCEEDING --> PROCEEDING: nua_r_prack, nua_i_state
     PROCEEDING --> PROCEEDING: nua_r_update, nua_i_state
989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015
     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(e->data->e_status, 183);

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(is_offer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_prack);
  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_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(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_proceeding);
  TEST_1(!is_answer_recv(e->data->e_tags));
  TEST_1(is_offer_sent(e->data->e_tags));

1016 1017 1018 1019
  ei = event_by_type(e->next, nua_r_invite);
  ep = event_by_type(e->next, nua_r_update);

  TEST_1(e = ep); TEST_E(e->data->e_event, nua_r_update);
1020
  TEST(e->data->e_status, 200);
1021 1022
  TEST_1(sip = sip_object(e->data->e_msg));
  TEST_1(sip->sip_session_expires);
1023 1024 1025 1026 1027 1028

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

1029
  TEST_1(e = ei); TEST_E(e->data->e_event, nua_r_invite);
1030 1031 1032 1033 1034
  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_proceeding); /* PROCEEDING */
  TEST_1(!is_offer_answer_done(e->data->e_tags));

1035 1036 1037 1038 1039 1040
  if (e == ep)			/* invite was responded before update */
    e = ep->next->next;

  ei = event_by_type(e->next, nua_r_invite);
  ep = event_by_type(e->next, nua_r_prack);
  if (!ep) {
1041
    run_a_until(ctx, -1, save_until_final_response);
1042 1043 1044 1045
    ep = event_by_type(e->next, nua_r_prack);
  }

  TEST_1(e = ep); TEST_E(e->data->e_event, nua_r_prack);
1046 1047 1048
  TEST(e->data->e_status, 200);
  /* Does not have effect on call state */

1049
  TEST_1(e = ei); TEST_E(e->data->e_event, nua_r_invite);
1050 1051
  TEST(e->data->e_status, 200);
  TEST_1(sip = sip_object(e->data->e_msg));
1052 1053 1054 1055 1056
  if (ctx->proxy_tests) {
    TEST_1(sip->sip_session_expires);
    TEST_S(sip->sip_session_expires->x_refresher, "uas");
    TEST_1(!sip_has_supported(sip->sip_require, "timer"));
  }
1057 1058 1059 1060

  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_offer_answer_done(e->data->e_tags));
1061
  TEST_1(!e->next || !ep->next);
1062 1063 1064 1065 1066 1067
  free_events_in_list(ctx, a->events);

  /*
   Server transitions:
   INIT -(S1)-> RECEIVED: nua_i_invite, nua_i_state
   RECEIVED -(S2a)-> EARLY: nua_respond(), nua_i_state
1068 1069 1070
   EARLY --> EARLY: nua_i_prack, nua_i_state
   EARLY --> EARLY: nua_i_update, nua_i_state
   EARLY --> EARLY: nua_r_update, nua_i_state
1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093
   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 */

  /* Responded with 183 Session Progress */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 183);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(is_answer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  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(is_offer_recv(e->data->e_tags));
  TEST_1(is_answer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_update);
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
1094
  TEST_1(!is_offer_sent(e->data->e_tags)); 
1095 1096
  TEST_1(is_offer_recv(e->data->e_tags));
  TEST_1(is_answer_sent(e->data->e_tags));
1097
  TEST_1(!is_answer_recv(e->data->e_tags));
1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122

  /* Responded with 180 Ringing */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 180);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(!is_offer_answer_done(e->data->e_tags));

  /* 180 PRACKed */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  /* Does not have effect on call state */

  /* Responded with 200 OK */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 200);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(!is_offer_answer_done(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_1(!is_offer_answer_done(e->data->e_tags));
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
1123
    printf("TEST NUA-10.3.1: PASSED\n");
1124 1125

  if (print_headings)
1126
    printf("TEST NUA-10.3.2: terminate call\n");
1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152

  BYE(b, b_call, b_call->nh, TAG_END());
  run_ab_until(ctx, -1, until_terminated, -1, until_terminated);

  /* B transitions:
   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_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, b->events);

  /* A: READY -(T1)-> TERMINATED: nua_i_bye, nua_i_state */
  TEST_1(e = a->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, a->events);

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

  if (print_headings)
1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228
    printf("TEST NUA-10.3.2: PASSED\n");

  END();
}

/*
 X  accept_updated    ep
 |-------INVITE------>|
 |       (sdp)        |
 |<----100 Trying-----|
 |                    |
 |<-------183---------|
 |       (sdp)        |
 |-------PRACK------->|
 |       (sdp)        |
 |<-------200---------|
 |       (sdp)        |
 |                    |
 |-------UPDATE------>|
 |       (sdp)        |
 |<-------200---------|
 |       (sdp)        |
 |                    |
 |                    |
 |<-------180---------|
 |                    |
 |<------200 OK-------|
 |--------ACK-------->|
 |                    |
*/
int accept_updated(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (event) {
  case nua_i_update:
    if (200 <= status && status < 300) {
      RESPOND(ep, call, nh, SIP_180_RINGING, TAG_END());
    }
    return 0;
  default:
    break;
  }

  switch (callstate(tags)) {
  case nua_callstate_received:
    RESPOND(ep, call, nh, SIP_183_SESSION_PROGRESS,
	    SIPTAG_REQUIRE_STR("100rel"),
	    TAG_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    TAG_END());
    return 0;
  case nua_callstate_early:
    if (status == 180)
      RESPOND(ep, call, nh, SIP_200_OK, 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 test_preconditions2(struct context *ctx)
{
  BEGIN();

  struct endpoint *a = &ctx->a,  *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;
1229
  struct event *e, *eu, *ei;
1230
  enum nua_callstate ustate, istate;
1231 1232

  if (print_headings)
1233
    printf("TEST NUA-10.4.1: Call with preconditions and non-100rel 180\n");
1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244

/* Test 100rel and preconditions with NUTAG_ONLY183_100REL(1):

   A			B
   |-------INVITE------>|
   |<----100 Trying-----|
   |			|
   |<-------183---------|
   |-------PRACK------->|
   |<-------200---------|
   |			|
1245 1246 1247 1248 1249 1250 1251 1252
   |-------UPDATE------>|
 +------------------------+
 | |<-------200---------| |
 | |			| |
 | |<-------180---------| |
 | |			| |
 | |<------200 OK-------| |
 +------------------------+
1253 1254 1255 1256 1257 1258
   |--------ACK-------->|
   |			|
   |<-------BYE---------|
   |-------200 OK-------|
   |			|

1259
   Note that the boxed responses above can be re-ordered 
1260 1261
   (180 or 200 OK to INVITE is received before 200 OK to UPDATE).
   ACK, however, is sent only after 200 OK to both UPDATE and INVITE. 
1262 1263 1264 1265 1266 1267 1268
*/

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

  nua_set_params(ctx->a.nua,
		 NUTAG_EARLY_MEDIA(1),
1269
		 SIPTAG_SUPPORTED_STR("100rel, precondition, timer"),
1270 1271 1272 1273 1274 1275
		 TAG_END());
  run_a_until(ctx, nua_r_set_params, until_final_response);

  nua_set_params(ctx->b.nua,
		 NUTAG_EARLY_MEDIA(1),
		 NUTAG_ONLY183_100REL(1),
1276
		 SIPTAG_SUPPORTED_STR("100rel, precondition, timer"),
1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305
		 TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);

  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),
	 SIPTAG_SUPPORTED_STR("100rel"),
	 SIPTAG_REQUIRE_STR("precondition"),
	 TAG_END());

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

  /* 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(e->data->e_status, 183);

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
1306
  /* Offer is sent in PRACK */
1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322
  TEST_1(is_offer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_prack);
  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_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

  /* Send UPDATE */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding);
  TEST_1(!is_answer_recv(e->data->e_tags));
  TEST_1(is_offer_sent(e->data->e_tags));

1323
  /* The final response to the UPDATE and INVITE can be received in any order */
1324 1325
  eu = event_by_type(e->next, nua_r_update);
  ei = event_by_type(e->next, nua_r_invite);
1326

1327 1328
  TEST_1(e = eu); TEST_E(e->data->e_event, nua_r_update);
  TEST(e->data->e_status, 200);
1329
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
1330
  ustate = callstate(e->data->e_tags);
1331 1332 1333
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

1334
  TEST_1(e = ei); TEST_E(e->data->e_event, nua_r_invite);
1335 1336 1337 1338 1339
  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_proceeding); /* PROCEEDING */
  TEST_1(!is_offer_answer_done(e->data->e_tags));

1340
  /* Final response to INVITE  */
1341
  TEST_1(ei = event_by_type(ei->next, nua_r_invite));
1342

1343 1344 1345
  TEST_E(ei->data->e_event, nua_r_invite); TEST(ei->data->e_status, 200);
  TEST_1(e = ei->next); TEST_E(e->data->e_event, nua_i_state);
  istate = callstate(e->data->e_tags);
1346
  TEST_1(!is_offer_answer_done(e->data->e_tags));
1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358

  if (eu == e->next) {
    /* 200 OK to UPDATE is received after 200 OK to INVITE */
    TEST(ustate, nua_callstate_ready);
    TEST(istate, nua_callstate_completing);
  }
  else {
    /* 200 OK to UPDATE is received before 200 OK to INVITE */
    TEST(ustate, nua_callstate_proceeding);
    TEST(istate, nua_callstate_ready);
  }

1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407
  free_events_in_list(ctx, a->events);

  /*
   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 */

  /* Responded with 183 Session Progress */
  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(is_answer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  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(is_offer_recv(e->data->e_tags));
  TEST_1(is_answer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_update);
  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(is_offer_recv(e->data->e_tags));
  TEST_1(is_answer_sent(e->data->e_tags));

  /* Responded with 180 Ringing */
  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(!is_offer_answer_done(e->data->e_tags));

  /* Responded with 200 OK */
  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_offer_answer_done(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_1(!is_offer_answer_done(e->data->e_tags));
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
1408
    printf("TEST NUA-10.4.1: PASSED\n");
1409 1410

  if (print_headings)
1411
    printf("TEST NUA-10.4.2: terminate call\n");
1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437

  BYE(b, b_call, b_call->nh, TAG_END());
  run_ab_until(ctx, -1, until_terminated, -1, until_terminated);

  /* B transitions:
   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_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, b->events);

  /* A: READY -(T1)-> TERMINATED: nua_i_bye, nua_i_state */
  TEST_1(e = a->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, a->events);

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

  if (print_headings)
1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529
    printf("TEST NUA-10.4.2: PASSED\n");

  END();
}

/*
 X  ringing_updated2  ep
 |-------INVITE------>|
 |       (sdp)        |
 |<----100 Trying-----|
 |                    |
 |<-------183---------|
 |       (sdp)        |
 |-------PRACK------->|
 |       (sdp)        |
 |<-------200---------|
 |       (sdp)        |
 |                    |
 |-------UPDATE------>|
 |       (sdp)        |
 |<-------200---------|
 |       (sdp)        |
 |                    |
 |<------UPDATE-------|
 |       (sdp)        |
 |--------200-------->|
 |       (sdp)        |
 |                    |
<using  acccept_pracked>
 |                    |
 |<-------180---------|
 |-------PRACK------->|
 |<-------200---------|
 |                    |
 |<------200 OK-------|
 |--------ACK-------->|
 |                    |
*/
int ringing_updated2(CONDITION_PARAMS)
{
  if (!(check_handle(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR)))
    return 0;

  save_event_in_list(ctx, event, ep, call);

  switch (event) {
  case nua_i_update:
    if (200 <= status && status < 300) {
      UPDATE(ep, call, nh, TAG_END());
    }
    return 0;
  case nua_r_update:
    if (200 <= status && status < 300) {
      RESPOND(ep, call, nh, SIP_180_RINGING, 
	      SIPTAG_REQUIRE_STR("100rel"),
	      TAG_END());
      ep->next_condition = accept_pracked;
    }
    else if (300 <= status) {
      RESPOND(ep, call, nh, SIP_500_INTERNAL_SERVER_ERROR, TAG_END());
    }
    return 0;
  default:
    break;
  }

  switch (callstate(tags)) {
  case nua_callstate_received:
    RESPOND(ep, call, nh, SIP_183_SESSION_PROGRESS,
	    SIPTAG_REQUIRE_STR("100rel"),
	    TAG_IF(call->sdp, SOATAG_USER_SDP_STR(call->sdp)),
	    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;
  }
}

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

  struct endpoint *a = &ctx->a,  *b = &ctx->b;
  struct call *a_call = a->call, *b_call = b->call;
1530
  struct event *e, *ep, *ei;
1531
  sip_t *sip;
1532

1533 1534 1535
  /* -------------------------------------------------------------------- */

  if (print_headings)
1536
    printf("TEST NUA-10.5.1: Call with dual UPDATE\n");
1537

1538
/* Test for update by UAS.
1539 1540 1541 1542 1543 1544 1545 1546 1547 1548

   A			B
   |-------INVITE------>|
   |<----100 Trying-----|
   |			|
   |<-------183---------|
   |-------PRACK------->|
   |<-------200---------|
   |			|
   |-------UPDATE------>|
1549 1550 1551 1552 1553
 +------------------------+
 | |<-------200---------| |
 | |			| |
 | |<------UPDATE-------| |
 +------------------------+
1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566
   |--------200-------->|
   |			|
   |<-------180---------|
   |-------PRACK------->|
   |<-------200---------|
   |			|
   |<------200 OK-------|
   |--------ACK-------->|
   |			|
   |<-------BYE---------|
   |-------200 OK-------|
   |			|

1567 1568 1569
 Note that the 200 OK to UPDATE from A and UPDATE from B may be re-ordered
 In that case, A will respond with 500/Retry-After and B will retry UPDATE.
 See do {} while () loop below.
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*/

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

  nua_set_params(ctx->a.nua,
		 NUTAG_EARLY_MEDIA(1),
		 SIPTAG_SUPPORTED_STR("100rel, precondition"),
		 TAG_END());
  run_a_until(ctx, nua_r_set_params, until_final_response);

  nua_set_params(ctx->b.nua,
		 NUTAG_EARLY_MEDIA(0),
		 SIPTAG_SUPPORTED_STR("100rel, precondition, timer"),
		 TAG_END());
  run_b_until(ctx, nua_r_set_params, until_final_response);

  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),
	 SIPTAG_SUPPORTED_STR("100rel"),
	 SIPTAG_REQUIRE_STR("precondition"),
	 TAG_END());

  run_ab_until(ctx, -1, until_ready, -1, ringing_updated2);

  /* Client transitions:
     INIT -(C1)-> CALLING: nua_invite(), nua_i_state
     CALLING -(C2)-> PROCEEDING: nua_r_invite, nua_i_state
     PROCEEDING: nua_r_prack, nua_i_state
     PROCEEDING: nua_r_update, nua_i_state
     PROCEEDING: nua_i_update, 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(e->data->e_status, 183);

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(is_offer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_prack);
  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_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(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_proceeding);
  TEST_1(!is_answer_recv(e->data->e_tags));
  TEST_1(is_offer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_update);
  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_proceeding);
  TEST_1(is_answer_recv(e->data->e_tags));
  TEST_1(!is_offer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_update);
  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_proceeding);
  TEST_1(is_offer_recv(e->data->e_tags));
  TEST_1(is_answer_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_proceeding); /* PROCEEDING */
  TEST_1(!is_offer_answer_done(e->data->e_tags));

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  ei = event_by_type(e->next, nua_r_invite);
  ep = event_by_type(e->next, nua_r_prack);
  if (!ep) {
1656
    run_a_until(ctx, -1, save_until_final_response);
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    ep = event_by_type(e->next, nua_r_prack);
  }

  TEST_1(e = ep); TEST_E(e->data->e_event, nua_r_prack);
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  TEST(e->data->e_status, 200);
  /* Does not have effect on call state */

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  TEST_1(e = ei); TEST_E(e->data->e_event, nua_r_invite);
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  TEST(e->data->e_status, 200);
  if (ctx->proxy_tests) {
    TEST_1(sip = sip_object(e->data->e_msg));
    TEST_1(sip->sip_session_expires);
    TEST_S(sip->sip_session_expires->x_refresher, "uas");
    TEST_1(!sip_has_supported(sip->sip_require, "timer"));
  }

  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_offer_answer_done(e->data->e_tags));
1676
  TEST_1(!e->next || !ep->next);
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  free_events_in_list(ctx, a->events);

  /*
   Server transitions:
   INIT -(S1)-> RECEIVED: nua_i_invite, nua_i_state
   RECEIVED -(S2a)-> EARLY: nua_respond(183), nua_i_state
   EARLY --> EARLY: nua_i_prack, nua_i_state
   EARLY --> EARLY: nua_i_update, nua_i_state
   EARLY --> EARLY: nua_update(), nua_i_state
   EARLY --> EARLY: nua_r_update, nua_i_state
   EARLY --> EARLY: nua_respond(180), nua_i_state
   EARLY --> EARLY: nua_i_prack, nua_i_state
   EARLY -(S3b)-> COMPLETED: nua_respond(200), 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 */

  /* Responded with 183 Session Progress */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 183);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(is_answer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  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(is_offer_recv(e->data->e_tags));
  TEST_1(is_answer_sent(e->data->e_tags));

  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_update);
  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(is_offer_recv(e->data->e_tags));
  TEST_1(is_answer_sent(e->data->e_tags));

  /* sent UPDATE */
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  do {
    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(is_offer_sent(e->data->e_tags)); 
    TEST_1(!is_offer_recv(e->data->e_tags));
    TEST_1(!is_answer_sent(e->data->e_tags));
    TEST_1(!is_answer_recv(e->data->e_tags));
1723

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    TEST_1(e = e->next); TEST_E(e->data->e_event, nua_r_update);
    if (e->data->e_status == 100) {
      TEST_1(sip = sip_object(e->data->e_msg));
      TEST(sip->sip_status->st_status, 500); TEST_1(sip->sip_retry_after);
    }
  } while (e->data->e_status == 100);
  TEST(e->data->e_status, 200);
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  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
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  TEST_1(!is_offer_sent(e->data->e_tags)); /* XXX */
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  TEST_1(!is_offer_recv(e->data->e_tags));
  TEST_1(!is_answer_sent(e->data->e_tags));
  TEST_1(is_answer_recv(e->data->e_tags));

  /* Responded with 180 Ringing */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 180);
  TEST(callstate(e->data->e_tags), nua_callstate_early); /* EARLY */
  TEST_1(!is_offer_answer_done(e->data->e_tags));

  /* 180 PRACKed */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_prack);
  /* Does not have effect on call state */

  /* Responded with 200 OK */
  TEST_1(e = e->next); TEST_E(e->data->e_event, nua_i_state);
  TEST(e->data->e_status, 200);
  TEST(callstate(e->data->e_tags), nua_callstate_completed); /* COMPLETED */
  TEST_1(!is_offer_answer_done(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_1(!is_offer_answer_done(e->data->e_tags));
  TEST_1(!e->next);
  free_events_in_list(ctx, b->events);

  if (print_headings)
1762
    printf("TEST NUA-10.5.1: PASSED\n");
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  if (print_headings)
1765
    printf("TEST NUA-10.5.2: terminate call\n");
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  BYE(b, b_call, b_call->nh, TAG_END());
  run_ab_until(ctx, -1, until_terminated, -1, until_terminated);

  /* B transitions:
   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_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, b->events);

  /* A: READY -(T1)-> TERMINATED: nua_i_bye, nua_i_state */
  TEST_1(e = a->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, a->events);

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

  if (print_headings)
1792
    printf("TEST NUA-10.5.2: PASSED\n");
1793

1794 1795
  END();
}
1796
 
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int cancel_when_pracked(CONDITION_PARAMS);
int alert_call(CONDITION_PARAMS);

int test_180rel_cancel1(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-10.6: CANCEL after PRACK\n");

/* Test for 100rel:

   A			B
   |-------INVITE------>|
   |<----100 Trying-----|
   |			|
   |<-------180---------|
   |-------PRACK------->|
   |<-------200---------|