/* This callback is called by the STUN session when outgoing transaction
* is complete
*/
static void sess_on_request_complete(pj_stun_session *sess,
pj_status_t status,
void *token,
pj_stun_tx_data *tdata,
const pj_stun_msg *response,
const pj_sockaddr_t *src_addr,
unsigned src_addr_len)
{
pj_stun_sock *stun_sock;
const pj_stun_sockaddr_attr *mapped_attr;
pj_stun_sock_op op;
pj_bool_t mapped_changed;
pj_bool_t resched = PJ_TRUE;
stun_sock = (pj_stun_sock *) pj_stun_session_get_user_data(sess);
PJ_UNUSED_ARG(tdata);
PJ_UNUSED_ARG(token);
PJ_UNUSED_ARG(src_addr);
PJ_UNUSED_ARG(src_addr_len);
/* Check if this is a keep-alive or the first Binding request */
if (pj_sockaddr_has_addr(&stun_sock->mapped_addr))
op = PJ_STUN_SOCK_KEEP_ALIVE_OP;
else
op = PJ_STUN_SOCK_BINDING_OP;
/* Handle failure */
if (status != PJ_SUCCESS) {
resched = sess_fail(stun_sock, op, status);
goto on_return;
}
/* Get XOR-MAPPED-ADDRESS, or MAPPED-ADDRESS when XOR-MAPPED-ADDRESS
* doesn't exist.
*/
mapped_attr = (const pj_stun_sockaddr_attr*)
pj_stun_msg_find_attr(response, PJ_STUN_ATTR_XOR_MAPPED_ADDR,
0);
if (mapped_attr==NULL) {
mapped_attr = (const pj_stun_sockaddr_attr*)
pj_stun_msg_find_attr(response, PJ_STUN_ATTR_MAPPED_ADDR,
0);
}
if (mapped_attr == NULL) {
resched = sess_fail(stun_sock, op, PJNATH_ESTUNNOMAPPEDADDR);
goto on_return;
}
/* Determine if mapped address has changed, and save the new mapped
* address and call callback if so
*/
mapped_changed = !pj_sockaddr_has_addr(&stun_sock->mapped_addr) ||
pj_sockaddr_cmp(&stun_sock->mapped_addr,
&mapped_attr->sockaddr) != 0;
if (mapped_changed) {
/* Print mapped adress */
{
char addrinfo[PJ_INET6_ADDRSTRLEN+10];
PJ_LOG(4,(stun_sock->obj_name,
"STUN mapped address found/changed: %s",
pj_sockaddr_print(&mapped_attr->sockaddr,
addrinfo, sizeof(addrinfo), 3)));
}
pj_sockaddr_cp(&stun_sock->mapped_addr, &mapped_attr->sockaddr);
if (op==PJ_STUN_SOCK_KEEP_ALIVE_OP)
op = PJ_STUN_SOCK_MAPPED_ADDR_CHANGE;
}
/* Notify user */
resched = (*stun_sock->cb.on_status)(stun_sock, op, PJ_SUCCESS);
on_return:
/* Start/restart keep-alive timer */
if (resched)
start_ka_timer(stun_sock);
}
/* This callback is called by the STUN session when outgoing transaction
* is complete
*/
static void sess_on_request_complete(pj_stun_session *sess,
pj_status_t status,
void *token,
pj_stun_tx_data *tdata,
const pj_stun_msg *response,
const pj_sockaddr_t *src_addr,
unsigned src_addr_len)
{
pj_stun_sock *stun_sock;
const pj_stun_sockaddr_attr *mapped_attr;
pj_stun_sock_op op;
pj_bool_t mapped_changed;
pj_bool_t resched = PJ_TRUE;
stun_sock = (pj_stun_sock *) pj_stun_session_get_user_data(sess);
if (!stun_sock)
return;
PJ_UNUSED_ARG(tdata);
PJ_UNUSED_ARG(token);
PJ_UNUSED_ARG(src_addr);
PJ_UNUSED_ARG(src_addr_len);
/* Check if this is a keep-alive or the first Binding request */
if (pj_sockaddr_has_addr(&stun_sock->mapped_addr))
op = PJ_STUN_SOCK_KEEP_ALIVE_OP;
else
op = PJ_STUN_SOCK_BINDING_OP;
/* Handle failure */
if (status != PJ_SUCCESS) {
resched = sess_fail(stun_sock, op, status);
goto on_return;
}
/* Get XOR-MAPPED-ADDRESS, or MAPPED-ADDRESS when XOR-MAPPED-ADDRESS
* doesn't exist.
*/
mapped_attr = (const pj_stun_sockaddr_attr*)
pj_stun_msg_find_attr(response, PJ_STUN_ATTR_XOR_MAPPED_ADDR,
0);
if (mapped_attr==NULL) {
mapped_attr = (const pj_stun_sockaddr_attr*)
pj_stun_msg_find_attr(response, PJ_STUN_ATTR_MAPPED_ADDR,
0);
}
if (mapped_attr == NULL) {
resched = sess_fail(stun_sock, op, PJNATH_ESTUNNOMAPPEDADDR);
goto on_return;
}
/* Determine if mapped address has changed, and save the new mapped
* address and call callback if so
*/
mapped_changed = !pj_sockaddr_has_addr(&stun_sock->mapped_addr) ||
pj_sockaddr_cmp(&stun_sock->mapped_addr,
&mapped_attr->sockaddr) != 0;
if (mapped_changed) {
/* Print mapped adress */
{
char addrinfo[PJ_INET6_ADDRSTRLEN+10];
PJ_LOG(2,(stun_sock->obj_name,
"STUN mapped address found/changed: %s",
pj_sockaddr_print(&mapped_attr->sockaddr,
addrinfo, sizeof(addrinfo), 3)));
}
pj_sockaddr_cp(&stun_sock->mapped_addr, &mapped_attr->sockaddr);
if (op==PJ_STUN_SOCK_KEEP_ALIVE_OP) {
op = PJ_STUN_SOCK_MAPPED_ADDR_CHANGE;
PJ_LOG(2, (THIS_FILE, "sess_on_rquest_complete() Operation is PJ_STUN_SOCK_MAPPED_ADDR_CHANGE."));
}
}
// 2013-10-16 DEAN
// 2013-10-21 DEAN
{
int addr_len = sizeof(stun_sock->current_local_addr);
char addrinfo1[PJ_INET6_ADDRSTRLEN+10];
char addrinfo2[PJ_INET6_ADDRSTRLEN+10];
pj_sock_getsockname(stun_sock->sock_fd, &stun_sock->current_local_addr,
&addr_len);
PJ_LOG(6,(stun_sock->obj_name,
"Current Local address: %s",
pj_sockaddr_print(&stun_sock->current_local_addr,
addrinfo1, sizeof(addrinfo1), 3)));
/*
* Find out which interface is used to send to the server.
*/
status = get_local_interface(&stun_sock->srv_addr, &((pj_sockaddr_in *)(&stun_sock->current_local_addr))->sin_addr);
PJ_LOG(6,(stun_sock->obj_name,
"Current Local address: %s",
pj_sockaddr_print(&stun_sock->current_local_addr,
addrinfo2, sizeof(addrinfo2), 3)));
}
/* Notify user */
resched = (*stun_sock->cb.on_status)(stun_sock, op, PJ_SUCCESS);
PJ_LOG(5, (THIS_FILE, "sess_on_request_complete() resched=%d.", resched));
on_return:
/* Start/restart keep-alive timer */
if (resched)
start_ka_timer(stun_sock);
}
