/**
* Update the current call by sending Re-INVITE or UPDATE
*
* @param call Call object
*
* @return 0 if success, otherwise errorcode
*/
int call_modify(struct call *call)
{
struct mbuf *desc;
int err;
if (!call)
return EINVAL;
err = call_sdp_get(call, &desc, true);
if (!err)
err = sipsess_modify(call->sess, desc);
mem_deref(desc);
return err;
}
static void handle_options(struct ua *ua, const struct sip_msg *msg)
{
struct sip_contact contact;
struct call *call = NULL;
struct mbuf *desc = NULL;
int err;
err = ua_call_alloc(&call, ua, VIDMODE_ON, NULL, NULL, NULL);
if (err) {
(void)sip_treply(NULL, uag.sip, msg, 500, "Call Error");
return;
}
err = call_sdp_get(call, &desc, true);
if (err)
goto out;
sip_contact_set(&contact, ua_cuser(ua), &msg->dst, msg->tp);
err = sip_treplyf(NULL, NULL, uag.sip,
msg, true, 200, "OK",
"Allow: %s\r\n"
"%H"
"%H"
"Content-Type: application/sdp\r\n"
"Content-Length: %zu\r\n"
"\r\n"
"%b",
uag_allowed_methods(),
ua_print_supported, ua,
sip_contact_print, &contact,
mbuf_get_left(desc),
mbuf_buf(desc),
mbuf_get_left(desc));
if (err) {
warning("ua: options: sip_treplyf: %m\n", err);
}
out:
mem_deref(desc);
mem_deref(call);
}
int call_progress(struct call *call)
{
struct mbuf *desc;
int err;
if (!call)
return EINVAL;
err = call_sdp_get(call, &desc, false);
if (err)
return err;
err = sipsess_progress(call->sess, 183, "Session Progress",
desc, "Allow: %s\r\n", uag_allowed_methods());
if (!err)
call_stream_start(call, false);
mem_deref(desc);
return 0;
}
static int send_invite(struct call *call)
{
const char *routev[1];
struct mbuf *desc;
int err;
routev[0] = ua_outbound(call->ua);
err = call_sdp_get(call, &desc, true);
if (err)
return err;
err = sipsess_connect(&call->sess, uag_sipsess_sock(),
call->peer_uri,
call->local_name,
call->local_uri,
ua_cuser(call->ua),
routev[0] ? routev : NULL,
routev[0] ? 1 : 0,
"application/sdp", desc,
auth_handler, call->acc, true,
sipsess_offer_handler, sipsess_answer_handler,
sipsess_progr_handler, sipsess_estab_handler,
sipsess_info_handler, sipsess_refer_handler,
sipsess_close_handler, call,
"Allow: %s\r\n%H", uag_allowed_methods(),
ua_print_supported, call->ua);
if (err) {
warning("call: sipsess_connect: %m\n", err);
}
/* save call setup timer */
call->time_conn = time(NULL);
mem_deref(desc);
return err;
}
