/**
* Check sessions
*
* Designed to be called within a debugger session in order
* to display information regarding "interesting" sessions
*/
void
CheckSessions()
{
SESSION *list_session;
int noclients = 0;
int norouter = 0;
spinlock_acquire(&session_spin);
list_session = allSessions;
while (list_session)
{
if (list_session->state != SESSION_STATE_LISTENER ||
list_session->state != SESSION_STATE_LISTENER_STOPPED)
{
if (list_session->client_dcb == NULL && list_session->refcount)
{
if (noclients == 0)
{
printf("Sessions without a client DCB.\n");
printf("==============================\n");
}
printSession(list_session);
noclients++;
}
}
list_session = list_session->next;
}
spinlock_release(&session_spin);
if (noclients)
{
printf("%d Sessions have no clients\n", noclients);
}
spinlock_acquire(&session_spin);
list_session = allSessions;
while (list_session)
{
if (list_session->state != SESSION_STATE_LISTENER ||
list_session->state != SESSION_STATE_LISTENER_STOPPED)
{
if (list_session->router_session == NULL && list_session->refcount)
{
if (norouter == 0)
{
printf("Sessions without a router session.\n");
printf("==================================\n");
}
printSession(list_session);
norouter++;
}
}
list_session = list_session->next;
}
spinlock_release(&session_spin);
if (norouter)
{
printf("%d Sessions have no router session\n", norouter);
}
}
/**
* Check sessions
*
* Designed to be called within a debugger session in order
* to display information regarding "interesting" sessions
*/
void
CheckSessions()
{
SESSION *ptr;
int noclients = 0;
int norouter = 0;
spinlock_acquire(&session_spin);
ptr = allSessions;
while (ptr)
{
if (ptr->state != SESSION_STATE_LISTENER ||
ptr->state != SESSION_STATE_LISTENER_STOPPED)
{
if (ptr->client == NULL && ptr->refcount)
{
if (noclients == 0)
{
printf("Sessions without a client DCB.\n");
printf("==============================\n");
}
printSession(ptr);
noclients++;
}
}
ptr = ptr->next;
}
spinlock_release(&session_spin);
if (noclients)
printf("%d Sessions have no clients\n", noclients);
spinlock_acquire(&session_spin);
ptr = allSessions;
while (ptr)
{
if (ptr->state != SESSION_STATE_LISTENER ||
ptr->state != SESSION_STATE_LISTENER_STOPPED)
{
if (ptr->router_session == NULL && ptr->refcount)
{
if (norouter == 0)
{
printf("Sessions without a router session.\n");
printf("==================================\n");
}
printSession(ptr);
norouter++;
}
}
ptr = ptr->next;
}
spinlock_release(&session_spin);
if (norouter)
printf("%d Sessions have no router session\n", norouter);
}
/**
* Print all sessions
*
* Designed to be called within a debugger session in order
* to display all active sessions within the gateway
*/
void
printAllSessions()
{
SESSION *list_session;
spinlock_acquire(&session_spin);
list_session = allSessions;
while (list_session)
{
printSession(list_session);
list_session = list_session->next;
}
spinlock_release(&session_spin);
}
/**
* Print all sessions
*
* Designed to be called within a debugger session in order
* to display all active sessions within the gateway
*/
void
printAllSessions()
{
SESSION *ptr;
spinlock_acquire(&session_spin);
ptr = allSessions;
while (ptr)
{
printSession(ptr);
ptr = ptr->next;
}
spinlock_release(&session_spin);
}
int Sdp::createLocalSession(const CodecOrder &selectedCodecs)
{
setLocalMediaCapabilities(selectedCodecs);
localSession_ = PJ_POOL_ZALLOC_T(memPool_, pjmedia_sdp_session);
if (!localSession_) {
ERROR("Could not create local SDP session");
return !PJ_SUCCESS;
}
localSession_->conn = PJ_POOL_ZALLOC_T(memPool_, pjmedia_sdp_conn);
/* Initialize the fields of the struct */
localSession_->origin.version = 0;
pj_time_val tv;
pj_gettimeofday(&tv);
localSession_->origin.user = pj_str(pj_gethostname()->ptr);
// Use Network Time Protocol format timestamp to ensure uniqueness.
localSession_->origin.id = tv.sec + 2208988800UL;
localSession_->origin.net_type = pj_str((char*)"IN");
localSession_->origin.addr_type = pj_str((char*)"IP4");
localSession_->origin.addr = pj_str((char*)localIpAddr_.c_str());
localSession_->name = pj_str((char*)"sflphone");
localSession_->conn->net_type = localSession_->origin.net_type;
localSession_->conn->addr_type = localSession_->origin.addr_type;
localSession_->conn->addr = localSession_->origin.addr;
// RFC 3264: An offer/answer model session description protocol
// As the session is created and destroyed through an external signaling mean (SIP), the line
// should have a value of "0 0".
localSession_->time.start = 0;
localSession_->time.stop = 0;
// For DTMF RTP events
localSession_->media_count = 1;
localSession_->media[0] = setMediaDescriptorLine();
if (!srtpCrypto_.empty())
addSdesAttribute(srtpCrypto_);
DEBUG("Local SDP Session:");
printSession(localSession_);
return pjmedia_sdp_validate(localSession_);
}
void Sdp::receiveOffer(const pjmedia_sdp_session* remote,
const CodecOrder &selectedCodecs)
{
if (!remote) {
ERROR("Remote session is NULL");
return;
}
DEBUG("Remote SDP Session:");
printSession(remote);
if (localSession_ == NULL && createLocalSession(selectedCodecs) != PJ_SUCCESS) {
ERROR("Failed to create initial offer");
return;
}
remoteSession_ = pjmedia_sdp_session_clone(memPool_, remote);
if (pjmedia_sdp_neg_create_w_remote_offer(memPool_, localSession_,
remoteSession_, &negotiator_) != PJ_SUCCESS) {
ERROR("Could not create negotiator with remote offer");
negotiator_ = NULL;
}
}
