void CNetRender::SetServer(qint32 portNo)
{
DeleteClient();
DeleteServer();
this->portNo = portNo;
server = new QTcpServer(this);
WriteLog("NetRender - starting server.");
if(!server->listen(QHostAddress::Any, portNo))
{
if(server->serverError() == QAbstractSocket::AddressInUseError)
{
cErrorMessage::showMessage(
QObject::tr("NetRender - address already in use.\n\nIs there already a mandelbulber server instance running on this port?"),
cErrorMessage::errorMessage, gMainInterface->mainWindow);
}
else
{
cErrorMessage::showMessage(
QObject::tr("NetRender - SetServer Error:\n\n") + server->errorString(),
cErrorMessage::errorMessage, gMainInterface->mainWindow);
}
deviceType = netRender_UNKNOWN;
}
else
{
connect(server, SIGNAL(newConnection()), this, SLOT(HandleNewConnection()));
deviceType = netRender_SERVER;
WriteLog("NetRender - Server Setup on localhost, port: " + QString::number(portNo));
if(systemData.noGui)
{
QTextStream out(stdout);
out << "NetRender - Server Setup on localhost, port: " + QString::number(portNo) + "\n";
}
status = netRender_NEW;
emit NewStatusServer();
}
}
int main( int argc, char *argv[] )
{
int iPort;
int iSocket;
if( argc != 2 ) {
printf( "Usage: demoserver <port #>\n" );
return 1;
}
if( geteuid() != 0 ) {
printf( "Warning: Tool must be run as EUID = 0 to use Kerberos/GSSAPI\n" );
}
// if we were relying on Kerberos for this service, we could pre-flight our
// service principal before we start the service, or just let GSSAPI determine
// at the time of connection
//
// we have opted for at time of connection, because we don't know what we
// are using uses for service principal
// let's convert the string provided for the port into a number
iPort = strtol( argv[1], NULL, 10 );
// don't allow privileged ports for this test
if( iPort < 1024 ) {
printf( "Error: Port value must be greater than 1024\n" );
}
// this demonstration code will wait for an authentication identification code
// GSSAPI
// CRAM-MD5
// cleartext
// Once method is determined, it will attempt to authenticate the user
iSocket = BindSocket( iPort );
if( iSocket > 0 ) {
// just informative
printf( "Listening on port %d\n", iPort );
// go into a loop until we are killed
while( 1 ) {
int iAccept;
// Accept a TCP connection
if( (iAccept = accept(iSocket, NULL, 0)) < 0) {
printf("Error: Couldn't accept connection");
continue;
}
// once we have a connection, go to our request-response loop
if( HandleNewConnection( iAccept ) == 0 ) {
// if we had no error we could go do something, but in this case we will
// just close the connection
close( iAccept );
iAccept = 0;
} else {
// close our socket
close( iAccept );
iAccept = 0;
}
}
// close our socket
close( iSocket );
iSocket = 0;
} else {
printf( "Error: Unable to listen on port %d\n", iPort );
return 1;
}
return 0;
}