static void response_handler(int err, const struct sip_msg *msg, void *arg)
{
struct sipnot *not = arg;
DEBUG_WARNING("re.sipevent.notify.response_handler()\n");
if (err) {
if (err == ETIMEDOUT)
not->subscribed = false;
goto out;
}
if (sip_request_loops(¬->ls, msg->scode)) {
not->subscribed = false;
goto out;
}
if (msg->scode < 200) {
return;
}
else if (msg->scode < 300) {
(void)sip_dialog_update(not->dlg, msg);
}
else {
switch (msg->scode) {
case 401:
case 407:
err = sip_auth_authenticate(not->auth, msg);
if (err) {
err = (err == EAUTH) ? 0 : err;
break;
}
err = notify_request(not, false);
if (err)
break;
return;
}
not->subscribed = false;
}
out:
if (not->termsent) {
mem_deref(not);
}
else if (not->terminated) {
if (!not->subscribed || notify_request(not, true))
mem_deref(not);
}
else if (!not->subscribed) {
sipnot_terminate(not, err, msg, -1);
}
else if (not->notify_pending) {
(void)notify_request(not, true);
}
}
int notify_create_request(const knot_zone_contents_t *zone, uint8_t *buffer,
size_t *size)
{
const knot_rrset_t *soa_rrset = knot_node_rrset(
knot_zone_contents_apex(zone), KNOT_RRTYPE_SOA);
if (soa_rrset == NULL) {
return KNOT_ERROR;
}
return notify_request(soa_rrset, buffer, size);
}
int sipnot_notify(struct sipnot *not)
{
if (not->expires == 0) {
return 0;
}
if (not->req) {
not->notify_pending = true;
return 0;
}
return notify_request(not, true);
}
static bool terminate(struct sipnot *not, enum sipevent_reason reason)
{
not->terminated = true;
not->reason = reason;
not->closeh = internal_close_handler;
if (not->req) {
mem_ref(not);
return true;
}
if (not->subscribed && !notify_request(not, true)) {
mem_ref(not);
return true;
}
return false;
}
