static void turn_handler2(int err, uint16_t scode, const char *reason,
const struct sa *relay_addr,
const struct sa *mapped_addr,
const struct stun_msg *msg,
void *arg)
{
struct mnat_media *m = arg;
(void)mapped_addr;
(void)msg;
if (!err && !scode) {
sdp_media_set_laddr_rtcp(m->sdpm, relay_addr);
m->addr2 = *relay_addr;
if (m->turnc1 && !sa_isset(&m->addr1, SA_ALL))
return;
if (--m->sess->mediac)
return;
}
m->sess->estabh(err, scode, reason, m->sess->arg);
}
static void natpmp_resp_handler(int err, const struct natpmp_resp *resp,
void *arg)
{
struct comp *comp = arg;
struct mnat_media *m = comp->media;
struct sa map_addr;
if (err) {
warning("natpmp: response error: %m\n", err);
complete(m->sess, err);
return;
}
if (resp->op != NATPMP_OP_MAPPING_UDP)
return;
if (resp->result != NATPMP_SUCCESS) {
warning("natpmp: request failed with result code: %d\n",
resp->result);
complete(m->sess, EPROTO);
return;
}
if (resp->u.map.int_port != comp->int_port) {
info("natpmp: ignoring response for internal_port=%u\n",
resp->u.map.int_port);
return;
}
info("natpmp: mapping granted for comp %u:"
" internal_port=%u, external_port=%u, lifetime=%u\n",
comp->id,
resp->u.map.int_port, resp->u.map.ext_port,
resp->u.map.lifetime);
map_addr = natpmp_extaddr;
sa_set_port(&map_addr, resp->u.map.ext_port);
comp->lifetime = resp->u.map.lifetime;
/* Update SDP media with external IP-address mapping */
if (comp->id == 1)
sdp_media_set_laddr(m->sdpm, &map_addr);
else
sdp_media_set_laddr_rtcp(m->sdpm, &map_addr);
comp->granted = true;
tmr_start(&comp->tmr, comp->lifetime * 1000 * 3/4,
refresh_timeout, comp);
is_complete(m->sess);
}
/* todo: detect multiple responses */
static void pcp_resp_handler(int err, struct pcp_msg *msg, void *arg)
{
struct comp *comp = arg;
struct mnat_media *m = comp->media;
const struct pcp_map *map;
if (err) {
warning("pcp: mapping error: %m\n", err);
complete(m->sess, err, NULL);
return;
}
else if (msg->hdr.result != PCP_SUCCESS) {
warning("pcp: mapping error: %s\n",
pcp_result_name(msg->hdr.result));
re_printf("%H\n", pcp_msg_print, msg);
complete(m->sess, EPROTO, "pcp error");
return;
}
map = pcp_msg_payload(msg);
info("pcp: %s: mapping granted for %s:"
" internal_port=%u, external_addr=%J (lifetime %u seconds)\n",
sdp_media_name(m->sdpm),
comp->id==1 ? "RTP" : "RTCP",
map->int_port, &map->ext_addr,
msg->hdr.lifetime);
/* Update SDP media with external IP-address mapping */
if (comp->id == 1)
sdp_media_set_laddr(m->sdpm, &map->ext_addr);
else
sdp_media_set_laddr_rtcp(m->sdpm, &map->ext_addr);
comp->granted = true;
m->srv_epoch = msg->hdr.epoch;
is_complete(m->sess);
}
