1 // protocol.cxx -- High level protocol class
3 // Written by Curtis Olson, started November 1999.
5 // Copyright (C) 1999 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 #include <simgear/debug/logstream.hxx>
25 #include <simgear/io/iochannel.hxx>
27 #include "protocol.hxx"
30 FGProtocol::FGProtocol() :
41 FGProtocol::~FGProtocol() {
46 // standard I/O channel open routine
47 bool FGProtocol::open() {
49 SG_LOG( SG_IO, SG_ALERT, "This shouldn't happen, but the channel "
50 << "is already in use, ignoring" );
54 SGIOChannel *io = get_io_channel();
56 if ( ! io->open( get_direction() ) ) {
57 SG_LOG( SG_IO, SG_ALERT, "Error opening channel communication layer." );
67 // dummy process routine
68 bool FGProtocol::process() {
69 SG_LOG( SG_IO, SG_INFO, "dummy FGProtocol::process()" );
74 // dummy close routine
75 bool FGProtocol::close() {
76 SG_LOG( SG_IO, SG_INFO, "dummy FGProtocol::close()" );
81 // standard I/O channel close routine
82 bool FGProtocol::gen_message() {
83 SGIOChannel *io = get_io_channel();
87 if ( ! io->close() ) {
95 // dummy close routine
96 bool FGProtocol::parse_message() {
97 SG_LOG( SG_IO, SG_INFO, "dummy FGProtocol::close()" );
102 void FGProtocol::set_direction( const string& d ) {
105 } else if ( d == "out" ) {
107 } else if ( d == "bi" ) {