Exemplo n.º 1
0
static int nua_refer_server_preprocess(nua_server_request_t *sr)
{
  nua_handle_t *nh = sr->sr_owner;
  sip_t const *sip = sr->sr_request.sip;
  struct notifier_usage *nu;
  sip_event_t *o;

  if (nh->nh_ds->ds_got_referrals || NH_PGET(nh, refer_with_id))
    o = sip_event_format(nh->nh_home, "refer;id=%u", sip->sip_cseq->cs_seq);
  else
    o = sip_event_make(nh->nh_home, "refer");

  if (o) {
    sr->sr_usage = nua_dialog_usage_add(nh, nh->nh_ds, nua_notify_usage, o);
    msg_header_free(nh->nh_home, (msg_header_t *)o);
  }

  if (!sr->sr_usage)
    return SR_STATUS1(sr, SIP_500_INTERNAL_SERVER_ERROR);

  nu = nua_dialog_usage_private(sr->sr_usage);
  nu->nu_requested = sip_now() + NH_PGET(nh, refer_expires);

  return 0;
}
Exemplo n.º 2
0
static int nua_refer_client_request(nua_client_request_t *cr,
				    msg_t *msg, sip_t *sip,
				    tagi_t const *tags)
{
  nua_handle_t *nh = cr->cr_owner;
  nua_dialog_usage_t *du, *du0 = cr->cr_usage;
  struct event_usage *eu;
  sip_event_t *event;
  int error;

  cr->cr_usage = NULL;

  event = sip_event_format(nh->nh_home, "refer;id=%u", sip->sip_cseq->cs_seq);
  if (!event)
    return -1;

  if (du0 == NULL ||
      du0->du_event == NULL ||
      du0->du_event->o_id == NULL ||
      strcmp(du0->du_event->o_id, event->o_id)) {
    du = nua_dialog_usage_add(nh, nh->nh_ds, nua_subscribe_usage, event);
    if (!du)
      return -1;
  }
  else {
    du = du0, du0 = NULL;
  }

  if (du0)
    nua_dialog_usage_remove(nh, nh->nh_ds, du0, NULL, NULL);

  eu = nua_dialog_usage_private(cr->cr_usage = du);
  eu ->eu_refer = 1;

  error = nua_base_client_request(cr, msg, sip, tags);

  if (!error) {
    /* Give application an Event header for matching NOTIFYs with REFER */
    nua_stack_tevent(nh->nh_nua, nh, NULL,
		     (enum nua_event_e)cr->cr_event, SIP_100_TRYING,
		     NUTAG_REFER_EVENT(event),
		     SIPTAG_EVENT(event),
		     TAG_END());
    su_free(nh->nh_home, event);
  }

  return error;
}