int UDT_transport_connect(UDT_transport *udt)
{
char * remote_ip = NULL;
char * remote_port = NULL;
remote_ip = ortp_strdup_printf("%s",inet_ntoa(((struct sockaddr_in *)&udt->rtp_session->rtp.rem_addr)->sin_addr));
remote_port = ortp_strdup_printf("%d",ntohs(((struct sockaddr_in *)&udt->rtp_session->rtp.rem_addr)->sin_port));
if (0 != getaddrinfo(remote_ip, remote_port, &udt->hints, &udt->peer)){
return -1;
}
if (UDT::ERROR == UDT::connect(udt->udt_socket,udt-> peer->ai_addr,udt->peer->ai_addrlen)){
ms_error("connect: %s",UDT::getlasterror().getErrorMessage());
return -2;
}
//using CC method
CUDPBlast* cchandle = NULL;
int temp;
UDT::getsockopt(udt->udt_socket, 0, UDT_CC, &cchandle, &temp);
if (NULL != cchandle)
cchandle->setRate(1);
ms_free(remote_ip);
ms_free(remote_port);
return 0;
}
// caller: application
bool UDTConnection::connect( )
{
struct sockaddr address;
CCC *cc = NULL;
int len;
ConstConnectionDescriptionPtr description = getDescription();
LBASSERT( CONNECTIONTYPE_UDT == description->type );
if( !isClosed( ))
return false;
_setState( STATE_CONNECTING );
if( !_parseAddress( description, address, false ))
goto err;
LBASSERT( UDT::INVALID_SOCK == _udt );
_udt = UDT::socket( AF_INET, SOCK_STREAM, 0 );
if( UDT::INVALID_SOCK == _udt )
{
LBERROR << UDTLASTERROR( "UDT::socket" ) << std::endl;
goto err;
}
if( !tuneSocket( ))
goto err;
if( UDT::ERROR == UDT::connect( _udt, &address, sizeof( address )))
{
LBERROR << UDTLASTERROR( "UDT::connect" ) << std::endl;
goto err;
}
// Do this after connect, otherwise connect itself becomes non-blocking
static const bool OFF = false;
if( !setSockOpt( UDT_RCVSYN,
static_cast<const void *>( &OFF ), sizeof(OFF) ))
goto err;
if( UDT::ERROR != UDT::getsockopt( _udt, 0, UDT_CC, &cc, &len ))
{
if( NULL != cc )
{
CUDPBlast *ccblast = dynamic_cast<CUDPBlast *>( cc );
if( NULL != ccblast )
ccblast->setRate( description->bandwidth / 1000. );
}
}
if( initialize( ))
{
_setState( STATE_CONNECTED );
return true;
}
err:
return false;
}