- } else if ( model == "ufo" ) {
- _impl = new FGUFO( dt );
- } else if ( model == "external" ) {
- // external is a synonym for "--fdm=null" and is
- // maintained here for backwards compatibility
- _impl = new FGNullFDM( dt );
- } else if ( model.find("network") == 0 ) {
- string host = "localhost";
- int port1 = 5501;
- int port2 = 5502;
- int port3 = 5503;
- string net_options = model.substr(8);
- string::size_type begin, end;
- begin = 0;
- // host
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- host = net_options.substr(begin, end - begin);
- begin = end + 1;
- }
- // port1
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- port1 = atoi( net_options.substr(begin, end - begin).c_str() );
- begin = end + 1;
- }
- // port2
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- port2 = atoi( net_options.substr(begin, end - begin).c_str() );
- begin = end + 1;
- }
- // port3
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- port3 = atoi( net_options.substr(begin, end - begin).c_str() );
- begin = end + 1;
- }
- _impl = new FGExternalNet( dt, host, port1, port2, port3 );
- } else if ( model.find("pipe") == 0 ) {
- // /* old */ string pipe_path = model.substr(5);
- // /* old */ _impl = new FGExternalPipe( dt, pipe_path );
- string pipe_path = "";
- string pipe_protocol = "";
- string pipe_options = model.substr(5);
- string::size_type begin, end;
- begin = 0;
- // pipe file path
- end = pipe_options.find( ",", begin );
- if ( end != string::npos ) {
- pipe_path = pipe_options.substr(begin, end - begin);
- begin = end + 1;
- }
- // protocol (last option)
- pipe_protocol = pipe_options.substr(begin);
- _impl = new FGExternalPipe( dt, pipe_path, pipe_protocol );
- } else if ( model == "null" ) {
- _impl = new FGNullFDM( dt );
- } else if ( model == "yasim" ) {