static void turnc_handler(int err, uint16_t scode, const char *reason,
const struct sa *relay, const struct sa *mapped,
const struct stun_msg *msg, void *arg)
{
struct icem_comp *comp = arg;
struct icem *icem = comp->icem;
struct cand *lcand;
(void)msg;
--icem->nstun;
/* TURN failed, so we destroy the client */
if (err || scode) {
comp->turnc = mem_deref(comp->turnc);
}
if (err) {
DEBUG_WARNING("{%s.%u} TURN Client error: %m\n",
icem->name, comp->id, err);
goto out;
}
if (scode) {
DEBUG_WARNING("{%s.%u} TURN Client error: %u %s\n",
icem->name, comp->id, scode, reason);
err = send_binding_request(icem, comp);
if (err)
goto out;
return;
}
lcand = icem_cand_find(&icem->lcandl, comp->id, NULL);
if (!lcand)
goto out;
if (!sa_cmp(relay, &lcand->base->addr, SA_ALL)) {
err = icem_lcand_add(icem, lcand->base,
CAND_TYPE_RELAY, relay);
}
if (mapped) {
err |= icem_lcand_add(icem, lcand->base,
CAND_TYPE_SRFLX, mapped);
}
else {
err |= send_binding_request(icem, comp);
}
out:
call_gather_handler(err, icem, scode, reason);
}
static void handle_success(struct icem *icem, struct ice_candpair *cp,
const struct sa *laddr)
{
if (!icem_cand_find(&icem->lcandl, cp->lcand->compid, laddr)) {
int err;
icecomp_printf(cp->comp, "adding local PRFLX Candidate: %J\n",
laddr);
err = icem_lcand_add(icem, cp->lcand,
ICE_CAND_TYPE_PRFLX, laddr);
if (err) {
DEBUG_WARNING("failed to add PRFLX: %m\n", err);
}
}
cp = construct_valid_pair(icem, cp, laddr, &cp->rcand->addr);
if (!cp) {
DEBUG_WARNING("{%s} no valid candidate pair for %J\n",
icem->name, laddr);
return;
}
icem_candpair_make_valid(cp);
icem_comp_set_selected(cp->comp, cp);
cp->nominated = true;
#if 0
/* stop conncheck now -- conclude */
icem_conncheck_stop(icem, 0);
#endif
}
static void stun_resp_handler(int err, uint16_t scode, const char *reason,
const struct stun_msg *msg, void *arg)
{
struct icem_comp *comp = arg;
struct icem *icem = comp->icem;
struct stun_attr *attr;
struct cand *lcand;
--icem->nstun;
if (err || scode > 0) {
DEBUG_WARNING("{%s.%u} STUN Request failed: %m\n",
icem->name, comp->id, err);
goto out;
}
lcand = icem_cand_find(&icem->lcandl, comp->id, NULL);
if (!lcand)
goto out;
attr = stun_msg_attr(msg, STUN_ATTR_XOR_MAPPED_ADDR);
if (!attr)
attr = stun_msg_attr(msg, STUN_ATTR_MAPPED_ADDR);
if (!attr) {
DEBUG_WARNING("no Mapped Address in Response\n");
err = EPROTO;
goto out;
}
err = icem_lcand_add(icem, lcand->base, CAND_TYPE_SRFLX, &attr->v.sa);
out:
call_gather_handler(err, icem, scode, reason);
}