static bool debug_handler(struct le *le, void *arg)
{
const struct sip_transport *transp = le->data;
struct re_printf *pf = arg;
(void)re_hprintf(pf, " %J (%s)\n",
&transp->laddr,
sip_transp_name(transp->tp));
return false;
}
static int request(struct sip_request *req, enum sip_transp tp,
const struct sa *dst)
{
struct mbuf *mb = NULL;
char *branch = NULL;
int err = ENOMEM;
struct sa laddr;
req->provrecv = false;
branch = mem_alloc(24, NULL);
mb = mbuf_alloc(1024);
if (!branch || !mb)
goto out;
(void)re_snprintf(branch, 24, "z9hG4bK%016llx", rand_u64());
err = sip_transp_laddr(req->sip, &laddr, tp, dst);
if (err)
goto out;
err = mbuf_printf(mb, "%s %s SIP/2.0\r\n", req->met, req->uri);
err |= mbuf_printf(mb, "Via: SIP/2.0/%s %J;branch=%s;rport\r\n",
sip_transp_name(tp), &laddr, branch);
err |= req->sendh ? req->sendh(tp, &laddr, dst, mb, req->arg) : 0;
err |= mbuf_write_mem(mb, mbuf_buf(req->mb), mbuf_get_left(req->mb));
if (err)
goto out;
mb->pos = 0;
if (!req->stateful)
err = sip_send(req->sip, NULL, tp, dst, mb);
else
err = sip_ctrans_request(&req->ct, req->sip, tp, dst, req->met,
branch, mb, response_handler, req);
if (err)
goto out;
out:
mem_deref(branch);
mem_deref(mb);
return err;
}