static void bye_handler(struct sipsess_sock *sock, const struct sip_msg *msg)
{
struct sip *sip = sock->sip;
struct sipsess *sess;
sess = sipsess_find(sock, msg);
if (!sess) {
(void)sip_reply(sip, msg, 481, "Call Does Not Exist");
return;
}
if (!sip_dialog_rseq_valid(sess->dlg, msg)) {
(void)sip_reply(sip, msg, 500, "Server Internal Error");
return;
}
(void)sip_treplyf(NULL, NULL, sip, msg, false, 200, "OK",
"%s"
"Content-Length: 0\r\n"
"\r\n",
sess->close_hdrs);
sess->peerterm = true;
if (sess->terminated)
return;
if (sess->st) {
(void)sip_treply(&sess->st, sess->sip, sess->msg,
487, "Request Terminated");
}
sipsess_terminate(sess, ECONNRESET, NULL);
}
static void bye_handler(struct sipsess_sock *sock, const struct sip_msg *msg)
{
struct sip *sip = sock->sip;
struct sipsess *sess;
sess = sipsess_find(sock, msg);
if (!sess) {
(void)sip_reply(sip, msg, 481, "Call Does Not Exist");
return;
}
if (!sip_dialog_rseq_valid(sess->dlg, msg)) {
(void)sip_reply(sip, msg, 500, "Server Internal Error");
return;
}
(void)sip_treply(NULL, sip, msg, 200, "OK");
sess->peerterm = true;
if (sess->terminated)
return;
if (sess->st) {
(void)sip_treply(&sess->st, sess->sip, sess->msg,
487, "Request Terminated");
}
sipsess_terminate(sess, E_SIP_SESSION_CLOSED_BYE, NULL);
}
static void reinvite_handler(struct sipsess_sock *sock,
const struct sip_msg *msg)
{
struct sip *sip = sock->sip;
struct sipsess *sess;
struct mbuf *desc;
char m[256];
int err;
sess = sipsess_find(sock, msg);
if (!sess || sess->terminated) {
(void)sip_treply(NULL, sip, msg, 481, "Call Does Not Exist");
return;
}
if (!sip_dialog_rseq_valid(sess->dlg, msg)) {
(void)sip_treply(NULL, sip, msg, 500, "Server Internal Error");
return;
}
if (sess->st || sess->awaiting_answer) {
(void)sip_treplyf(NULL, NULL, sip, msg, false,
500, "Server Internal Error",
"Retry-After: 5\r\n"
"Content-Length: 0\r\n"
"\r\n");
return;
}
if (sess->req) {
(void)sip_treply(NULL, sip, msg, 491, "Request Pending");
return;
}
err = sess->offerh(&desc, msg, sess->arg);
if (err) {
(void)sip_reply(sip, msg, 488, str_error(err, m, sizeof(m)));
return;
}
(void)sip_dialog_update(sess->dlg, msg);
(void)sipsess_reply_2xx(sess, msg, 200, "OK", desc,
NULL, NULL);
/* pending modifications considered outdated;
sdp may have changed in above exchange */
sess->desc = mem_deref(sess->desc);
sess->modify_pending = false;
tmr_cancel(&sess->tmr);
mem_deref(desc);
}
static void ack_handler(struct sipsess_sock *sock, const struct sip_msg *msg)
{
struct sipsess *sess;
bool awaiting_answer;
int err = 0;
sess = sipsess_find(sock, msg);
if (!sess)
return;
if (sipsess_reply_ack(sess, msg, &awaiting_answer))
return;
if (sess->terminated) {
if (!sess->replyl.head) {
sess->established = true;
mem_deref(sess);
}
return;
}
if (awaiting_answer) {
sess->awaiting_answer = false;
err = sess->answerh(msg, sess->arg);
}
if (sess->modify_pending && !sess->replyl.head)
(void)sipsess_reinvite(sess, true);
if (sess->established)
return;
sess->msg = mem_deref((void *)sess->msg);
sess->established = true;
if (err)
sipsess_terminate(sess, err, NULL);
else
sess->estabh(msg, sess->arg);
}
static void bye_handler(struct sipsess_sock *sock, const struct sip_msg *msg)
{
struct sip *sip = sock->sip;
struct sipsess *sess;
// char tmp[256];
sess = sipsess_find(sock, msg);
if (!sess) {
(void)sip_reply(sip, msg, 481, "Call Does Not Exist");
return;
}
if (!sip_dialog_rseq_valid(sess->dlg, msg)) {
(void)sip_reply(sip, msg, 500, "Server Internal Error");
return;
}
/* QXIP */
if (sess->xrtpstats && !sess->xrtpstats[0] == '\0') {
/* Inject X-RTP-Stat header */
(void)sip_treplyf(NULL, NULL, sip, msg, false,
200, "OK",
"X-RTP-Stat: %s\r\nContent-Length: 0\r\n\r\n", sess->xrtpstats);
} else {
/* Vanilla 200 OK */
(void)sip_treply(NULL, sip, msg, 200, "OK");
}
sess->peerterm = true;
if (sess->terminated)
return;
if (sess->st) {
(void)sip_treply(&sess->st, sess->sip, sess->msg,
487, "Request Terminated");
}
sipsess_terminate(sess, ECONNRESET, NULL);
}
static void refer_handler(struct sipsess_sock *sock, const struct sip_msg *msg)
{
struct sip *sip = sock->sip;
struct sipsess *sess;
sess = sipsess_find(sock, msg);
if (!sess || sess->terminated) {
(void)sip_reply(sip, msg, 481, "Call Does Not Exist");
return;
}
if (!sip_dialog_rseq_valid(sess->dlg, msg)) {
(void)sip_reply(sip, msg, 500, "Server Internal Error");
return;
}
if (!sess->referh) {
(void)sip_reply(sip, msg, 501, "Not Implemented");
return;
}
sess->referh(sip, msg, sess->arg);
}
