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Initial revision of FGFS "Native" I/O protocal.

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curt 1999-11-23 05:47:16 +00:00
parent 99e9eb0833
commit 8c70ec7026
3 changed files with 159 additions and 0 deletions
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1
src/Network/Makefile.am
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@ -6,6 +6,7 @@ libNetwork_a_SOURCES = \
fg_serial.cxx fg_serial.hxx \
fg_socket.cxx fg_socket.hxx \
protocol.cxx protocol.hxx \
native.cxx native.hxx \
garmin.cxx garmin.hxx \
nmea.cxx nmea.hxx \
pve.cxx pve.hxx \

97
src/Network/native.cxx Normal file
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@ -0,0 +1,97 @@
// native.cxx -- FGFS "Native" protocal class
//
// Written by Curtis Olson, started November 1999.
//
// Copyright (C) 1999 Curtis L. Olson - curt@flightgear.org
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#include <Debug/logstream.hxx>
#include <Math/fg_geodesy.hxx>
#include <Time/fg_time.hxx>
#include "iochannel.hxx"
#include "native.hxx"
FGNative::FGNative() {
}
FGNative::~FGNative() {
}
// open hailing frequencies
bool FGNative::open() {
if ( is_enabled() ) {
FG_LOG( FG_IO, FG_ALERT, "This shouldn't happen, but the channel "
<< "is already in use, ignoring" );
return false;
}
FGIOChannel *io = get_io_channel();
if ( ! io->open( get_direction() ) ) {
FG_LOG( FG_IO, FG_ALERT, "Error opening channel communication layer." );
return false;
}
set_enabled( true );
return true;
}
// process work for this port
bool FGNative::process() {
FGIOChannel *io = get_io_channel();
int length = sizeof(*cur_fdm_state);
if ( get_direction() == out ) {
// cout << "size of cur_fdm_state = " << length << endl;
buf = *cur_fdm_state;
if ( ! io->write( (char *)(& buf), length ) ) {
FG_LOG( FG_IO, FG_ALERT, "Error writing data." );
return false;
}
} else if ( get_direction() == in ) {
if ( io->read( (char *)(& buf), length ) == length ) {
FG_LOG( FG_IO, FG_ALERT, "Success reading data." );
*cur_fdm_state = buf;
} else {
FG_LOG( FG_IO, FG_ALERT, "Error reading data." );
return false;
}
}
return true;
}
// close the channel
bool FGNative::close() {
FGIOChannel *io = get_io_channel();
set_enabled( false );
if ( ! io->close() ) {
return false;
}
return true;
}

61
src/Network/native.hxx Normal file
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@ -0,0 +1,61 @@
// native.hxx -- FGFS "Native" protocal class
//
// Written by Curtis Olson, started November 1999.
//
// Copyright (C) 1999 Curtis L. Olson - curt@flightgear.org
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifndef _FG_NATIVE_HXX
#define _FG_NATIVE_HXX
#include "Include/compiler.h"
#include STL_STRING
#include <FDM/flight.hxx>
#include "protocol.hxx"
FG_USING_STD(string);
class FGNative : public FGProtocol {
FGInterface buf;
int length;
public:
FGNative();
~FGNative();
// open hailing frequencies
bool open();
// process work for this port
bool process();
// close the channel
bool close();
};
#endif // _FG_NATIVE_HXX