/**
* Transfer the call to a target SIP uri
*
* @param call Call object
* @param uri Target SIP uri
*
* @return 0 if success, otherwise errorcode
*/
int call_transfer(struct call *call, const char *uri)
{
char *nuri;
int err;
if (!call || !uri)
return EINVAL;
err = normalize_uri(&nuri, uri, &call->acc->luri);
if (err)
return err;
info("transferring call to %s\n", nuri);
call->sub = mem_deref(call->sub);
err = sipevent_drefer(&call->sub, uag_sipevent_sock(),
sipsess_dialog(call->sess), ua_cuser(call->ua),
auth_handler, call->acc, true,
sipsub_notify_handler, sipsub_close_handler,
call,
"Refer-To: %s\r\n", nuri);
if (err) {
warning("call: sipevent_drefer: %m\n", err);
}
mem_deref(nuri);
return err;
}
static int mwi_subscribe(struct ua *ua)
{
const char *routev[1];
struct mwi *mwi;
int err;
mwi = mem_zalloc(sizeof(*mwi), destructor);
if (!mwi)
return ENOMEM;
list_append(&mwil, &mwi->le, mwi);
mwi->ua = ua;
routev[0] = ua_outbound(ua);
info("mwi: subscribing to messages for %s\n", ua_aor(ua));
err = sipevent_subscribe(&mwi->sub, uag_sipevent_sock(), ua_aor(ua),
NULL, ua_aor(ua), "message-summary", NULL,
600, ua_cuser(ua),
routev, routev[0] ? 1 : 0,
auth_handler, ua_prm(ua), true, NULL,
notify_handler, close_handler, mwi,
"Accept:"
" application/simple-message-summary\r\n");
if (err) {
warning("mwi: subscribe ERROR: %m\n", err);
}
if (err)
mem_deref(mwi);
return err;
}
static void sipsess_refer_handler(struct sip *sip, const struct sip_msg *msg,
void *arg)
{
struct call *call = arg;
const struct sip_hdr *hdr;
int err;
/* get the transfer target */
hdr = sip_msg_hdr(msg, SIP_HDR_REFER_TO);
if (!hdr) {
warning("call: bad REFER request from %r\n", &msg->from.auri);
(void)sip_reply(sip, msg, 400, "Missing Refer-To header");
return;
}
/* The REFER creates an implicit subscription.
* Reply 202 to the REFER request
*/
call->not = mem_deref(call->not);
err = sipevent_accept(&call->not, uag_sipevent_sock(), msg,
sipsess_dialog(call->sess), NULL,
202, "Accepted", 60, 60, 60,
ua_cuser(call->ua), "message/sipfrag",
auth_handler, call->acc, true,
sipnot_close_handler, call,
"Allow: %s\r\n", uag_allowed_methods());
if (err) {
warning("call: refer: sipevent_accept failed: %m\n", err);
return;
}
(void)call_notify_sipfrag(call, 100, "Trying");
call_event_handler(call, CALL_EVENT_TRANSFER, "%r", &hdr->val);
}
static int subscribe(struct presence *pres)
{
const char *routev[1];
struct ua *ua;
char uri[256];
int err;
/* We use the first UA */
ua = uag_find_aor(NULL);
if (!ua) {
warning("presence: no UA found\n");
return ENOENT;
}
pl_strcpy(&contact_addr(pres->contact)->auri, uri, sizeof(uri));
routev[0] = ua_outbound(ua);
err = sipevent_subscribe(&pres->sub, uag_sipevent_sock(), uri, NULL,
ua_aor(ua), "presence", NULL, 600,
ua_cuser(ua), routev, routev[0] ? 1 : 0,
auth_handler, ua_prm(ua), true, NULL,
notify_handler, close_handler, pres,
"%H", ua_print_supported, ua);
if (err) {
warning("presence: sipevent_subscribe failed: %m\n", err);
}
return err;
}
