/* "sip:[::1];maddr=[::01]" */
static pjsip_uri *create_uri36( pj_pool_t *pool )
{
    pjsip_sip_uri *url;
    url = pjsip_sip_uri_create(pool, 0);
    url->host = pj_str("::1");
    url->maddr_param = pj_str("::01");
    return (pjsip_uri*)url;

}

static pjsip_uri *create_uri16(pj_pool_t *pool)
{
    /* "sip:" USER_CHAR ":" PASS_CHAR "@host" */
    pjsip_sip_uri *url;
    url = pjsip_sip_uri_create(pool, 0);
    pj_strdup2(pool, &url->user, USER_CHAR);
    pj_strdup2(pool, &url->passwd, PASS_CHAR);
    pj_strdup2(pool, &url->host, "host");
    return (pjsip_uri*)url;
}

static pjsip_uri *create_uri7(pj_pool_t *pool)
{
    /* "<sip:localhost>" */
    pjsip_name_addr *name_addr = pjsip_name_addr_create(pool);
    pjsip_sip_uri *url;

    url = pjsip_sip_uri_create(pool, 0);
    name_addr->uri = (pjsip_uri*) url;

    pj_strdup2(pool, &url->host, "localhost");
    return (pjsip_uri*)name_addr;
}

/// Adds a Record-Route header to the message with the specified user name,
/// port and transport.  If the user parameter is NULL the user field is left
/// blank.
void PJUtils::add_record_route(pjsip_tx_data* tdata,
                               const char* transport,
                               int port,
                               const char* user)
{
  pjsip_rr_hdr* rr = pjsip_rr_hdr_create(tdata->pool);
  pjsip_sip_uri* uri = pjsip_sip_uri_create(tdata->pool, PJ_FALSE);
  uri->host = stack_data.name[0];
  uri->port = port;
  pj_strdup2(tdata->pool, &uri->transport_param, transport);
  uri->lr_param = PJ_TRUE;

  if (user != NULL)
  {
    pj_strdup2(tdata->pool, &uri->user, user);
  }

  rr->name_addr.uri = (pjsip_uri*)uri;
  pjsip_msg_insert_first_hdr(tdata->msg, (pjsip_hdr*)rr);

  LOG_DEBUG("Added Record-Route header, URI = %s", uri_to_string(PJSIP_URI_IN_ROUTING_HDR, rr->name_addr.uri).c_str());
}

//.........这里部分代码省略.........
      if (uri != NULL)
      {
        // Contact URI is well formed, so include this in the response.
        pjsip_contact_hdr* contact = pjsip_contact_hdr_create(tdata->pool);
        contact->star = 0;
        contact->uri = uri;
        contact->q1000 = binding->_priority;
        contact->expires = binding->_expires - now;
        pj_list_init(&contact->other_param);
        for (std::list<std::pair<std::string, std::string> >::iterator j = binding->_params.begin();
             j != binding->_params.end();
             ++j)
        {
          pjsip_param *new_param = PJ_POOL_ALLOC_T(tdata->pool, pjsip_param);
          pj_strdup2(tdata->pool, &new_param->name, j->first.c_str());
          pj_strdup2(tdata->pool, &new_param->value, j->second.c_str());
          pj_list_insert_before(&contact->other_param, new_param);
        }
        pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)contact);
      }
      else
      {
        // Contact URI is malformed.  Log an error, but otherwise don't try and
        // fix it.
        // LCOV_EXCL_START hard to hit - needs bad data in the store
        LOG_WARNING("Badly formed contact URI %s for address of record %s",
                    binding->_uri.c_str(), aor.c_str());
        // LCOV_EXCL_STOP
      }
    }
  }

  // Deal with path header related fields in the response.
  pjsip_generic_string_hdr* path_hdr =
    (pjsip_generic_string_hdr*)pjsip_msg_find_hdr_by_name(msg, &STR_PATH, NULL);
  if ((path_hdr != NULL) &&
      (!aor_data->bindings().empty()))
  {
    // We have bindings with path headers so we must require outbound.
    pjsip_require_hdr* require_hdr = pjsip_require_hdr_create(tdata->pool);
    require_hdr->count = 1;
    require_hdr->values[0] = STR_OUTBOUND;
    pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)require_hdr);
  }

  // Echo back any Path headers as per RFC 3327, section 5.3.  We take these
  // from the request as they may not exist in the bindings any more if the
  // bindings have expired.
  while (path_hdr)
  {
    pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)pjsip_hdr_clone(tdata->pool, path_hdr));
    path_hdr = (pjsip_generic_string_hdr*)pjsip_msg_find_hdr_by_name(msg, &STR_PATH, path_hdr->next);
  }

  // Construct a Service-Route header pointing at the sprout cluster.  We don't
  // care which sprout handles the subsequent requests as they all have access
  // to all subscriber information.
  pjsip_sip_uri* service_route_uri = pjsip_sip_uri_create(tdata->pool, false);
  pj_strdup(tdata->pool,
            &service_route_uri->host,
            &stack_data.sprout_cluster_domain);
  service_route_uri->port = stack_data.trusted_port;
  service_route_uri->transport_param = pj_str("TCP");
  service_route_uri->lr_param = 1;

  pjsip_route_hdr* service_route = pjsip_route_hdr_create(tdata->pool);
  service_route->name = STR_SERVICE_ROUTE;
  service_route->sname = pj_str("");
  service_route->name_addr.uri = (pjsip_uri*)service_route_uri;

  pjsip_msg_insert_first_hdr(tdata->msg, (pjsip_hdr*)service_route);

  // Add P-Associated-URI headers for all of the associated URIs.
  static const pj_str_t p_associated_uri_hdr_name = pj_str("P-Associated-URI");
  for (Json::ValueIterator it = uris->begin(); it != uris->end(); it++)
  {
    pj_str_t associated_uri = {(char*)(*it).asCString(), strlen((*it).asCString())};
    pjsip_hdr* associated_uri_hdr =
      (pjsip_hdr*)pjsip_generic_string_hdr_create(tdata->pool,
                                                  &p_associated_uri_hdr_name,
                                                  &associated_uri);
    pjsip_msg_add_hdr(tdata->msg, associated_uri_hdr);
  }
  delete uris;

  // Send the response, but prevent the transmitted data from being freed, as we may need to inform the
  // ASes of the 200 OK response we sent.
  pjsip_tx_data_add_ref(tdata);
  status = pjsip_endpt_send_response2(stack_data.endpt, rdata, tdata, NULL, NULL);

  RegistrationUtils::register_with_application_servers(ifchandler, store, rdata, tdata, "");

  // Now we can free the tdata.
  pjsip_tx_data_dec_ref(tdata);

  LOG_DEBUG("Report SAS end marker - trail (%llx)", trail);
  SAS::Marker end_marker(trail, SASMarker::END_TIME, 1u);
  SAS::report_marker(end_marker);
  delete aor_data;
}

//.........这里部分代码省略.........
#endif

#ifdef HAS_PJLIB_HMAC_SHA1
    pj_hmac_sha1(NULL, 0, NULL, 0, NULL);
#endif

#ifdef HAS_PJNATH_STUN
    pj_stun_session_create(NULL, NULL, NULL, PJ_FALSE, NULL);
    pj_stun_session_destroy(NULL);
    pj_stun_session_set_credential(NULL, NULL);
    pj_stun_session_create_req(NULL, 0, NULL, NULL);
    pj_stun_session_create_ind(NULL, 0, NULL);
    pj_stun_session_create_res(NULL, NULL, 0, NULL, NULL);
    pj_stun_session_send_msg(NULL, PJ_FALSE, NULL, 0, NULL);
#endif

#ifdef HAS_PJNATH_ICE
    pj_ice_strans_create(NULL, NULL, 0, NULL, NULL, NULL);
    pj_ice_strans_set_stun_domain(NULL, NULL, NULL);
    pj_ice_strans_create_comp(NULL, 0, 0, NULL);
    pj_ice_strans_add_cand(NULL, 0, PJ_ICE_CAND_TYPE_HOST, 0, NULL, PJ_FALSE);
    pj_ice_strans_init_ice(NULL, PJ_ICE_SESS_ROLE_CONTROLLED, NULL, NULL);
    pj_ice_strans_start_ice(NULL, NULL, NULL, 0, NULL);
    pj_ice_strans_stop_ice(NULL);
    pj_ice_strans_sendto(NULL, 0, NULL, 0, NULL, 0);
#endif

#ifdef HAS_PJSIP_CORE_MSG_ELEM
    /* Parameter container */
    pjsip_param_find(NULL, NULL);
    pjsip_param_print_on(NULL, NULL, 0, NULL, NULL, 0);

    /* SIP URI */
    pjsip_sip_uri_create(NULL, 0);
    pjsip_name_addr_create(NULL);

    /* TEL URI */
    pjsip_tel_uri_create(NULL);

    /* Message and headers */
    pjsip_msg_create(NULL, PJSIP_REQUEST_MSG);
    pjsip_msg_print(NULL, NULL, 0);
    pjsip_accept_hdr_create(NULL);
    pjsip_allow_hdr_create(NULL);
    pjsip_cid_hdr_create(NULL);
    pjsip_clen_hdr_create(NULL);
    pjsip_cseq_hdr_create(NULL);
    pjsip_contact_hdr_create(NULL);
    pjsip_ctype_hdr_create(NULL);
    pjsip_expires_hdr_create(NULL, 0);
    pjsip_from_hdr_create(NULL);
    pjsip_max_fwd_hdr_create(NULL, 0);
    pjsip_min_expires_hdr_create(NULL, 0);
    pjsip_rr_hdr_create(NULL);
    pjsip_require_hdr_create(NULL);
    pjsip_retry_after_hdr_create(NULL, 0);
    pjsip_supported_hdr_create(NULL);
    pjsip_unsupported_hdr_create(NULL);
    pjsip_via_hdr_create(NULL);
    pjsip_warning_hdr_create(NULL, 0, NULL, NULL);

    pjsip_parse_uri(NULL, NULL, 0, 0);
    pjsip_parse_msg(NULL, NULL, 0, NULL);
    pjsip_parse_rdata(NULL, 0, NULL);
    pjsip_find_msg(NULL, 0, 0, NULL);
#endif