73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
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// ExternalNet.hxx -- an net interface to an external flight dynamics model
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//
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// Written by Curtis Olson, started November 2001.
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//
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// Copyright (C) 2001 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#include <simgear/debug/logstream.hxx>
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#include "ExternalNet.hxx"
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FGExternalNet::FGExternalNet( double dt ) {
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set_delta_t( dt );
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valid = true;
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// client sends data
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if ( ! data_client.open( false ) ) {
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SG_LOG( SG_FLIGHT, SG_ALERT, "Error opening client data channel" );
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valid = false;
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}
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// fire and forget
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data_client.setBlocking( false );
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// server receives data
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if ( ! data_server.open( false ) ) {
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SG_LOG( SG_FLIGHT, SG_ALERT, "Error opening client server channel" );
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valid = false;
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}
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// we want to block for incoming data in order to syncronize frame
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// rates.
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data_server.setBlocking( true );
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}
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FGExternalNet::~FGExternalNet() {
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data_client.close();
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data_server.close();
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}
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// Initialize the ExternalNet flight model, dt is the time increment
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// for each subsequent iteration through the EOM
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void FGExternalNet::init() {
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// cout << "FGExternalNet::init()" << endl;
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}
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// Run an iteration of the EOM. This is a NOP here because the flight
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// model values are getting filled in elsewhere (most likely from some
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// external source.)
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bool FGExternalNet::update( int multiloop ) {
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// cout << "FGExternalNet::update()" << endl;
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return true;
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}
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