static int nua_refer_client_response(nua_client_request_t *cr,
int status, char const *phrase,
sip_t const *sip)
{
nua_dialog_usage_t *du = cr->cr_usage;
enum nua_substate substate = nua_substate_terminated;
if (du) {
struct event_usage *eu = nua_dialog_usage_private(du);
if (status < 200) {
substate = eu->eu_substate;
}
else if (status < 300) {
sip_refer_sub_t const *rs = sip_refer_sub(sip);
if (rs && su_casematch("false", rs->rs_value))
cr->cr_terminated = 1;
if (!cr->cr_terminated)
substate = eu->eu_substate;
}
}
return nua_base_client_tresponse(cr, status, phrase, sip,
NUTAG_SUBSTATE(substate),
SIPTAG_EVENT(du ? du->du_event : NULL),
TAG_END());
}
static
int nua_refer_server_respond(nua_server_request_t *sr, tagi_t const *tags)
{
nua_handle_t *nh = sr->sr_owner;
struct notifier_usage *nu = nua_dialog_usage_private(sr->sr_usage);
sip_refer_sub_t const *rs = sip_refer_sub(sr->sr_response.sip);
if (sr->sr_status < 200 || nu == NULL) {
}
else if (sr->sr_status < 300 &&
/* No subscription if Refer-Sub: false in response */
(rs == NULL || !su_casematch(rs->rs_value, "false"))) {
sr->sr_usage->du_ready = 1;
nu->nu_expires = sip_now() + NH_PGET(nh, refer_expires);
if (sr->sr_application) /* Application responded to REFER */
nu->nu_substate = nua_substate_active;
}
else {
/* Destroy the implicit subscription usage */
sr->sr_terminating = 1;
}
return nua_base_server_respond(sr, tags);
}