1 // props.hxx -- FGFS property manager interaction class
3 // Written by Curtis Olson, started September 2000.
5 // Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
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., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <simgear/compiler.h>
25 #include <simgear/debug/logstream.hxx>
26 #include <simgear/io/iochannel.hxx>
27 #include <simgear/math/sg_types.hxx>
29 #include <strstream.h>
41 // open hailing frequencies
42 bool FGProps::open() {
44 FG_LOG( FG_IO, FG_ALERT, "This shouldn't happen, but the channel "
45 << "is already in use, ignoring" );
49 SGIOChannel *io = get_io_channel();
51 if ( ! io->open( get_direction() ) ) {
52 FG_LOG( FG_IO, FG_ALERT, "Error opening channel communication layer." );
62 bool FGProps::process_command( const char *cmd ) {
63 cout << "processing command = " << cmd << endl;
72 tokens.push_back( token );
75 string command = tokens[0];
77 if ( command == "ls" ) {
85 // process work for this port
86 bool FGProps::process() {
87 SGIOChannel *io = get_io_channel();
89 cout << "processing incoming props command" << endl;
91 if ( get_direction() == SG_IO_BI ) {
92 cout << " (bi directional)" << endl;
93 while ( io->read( buf, max_cmd_len ) > 0 ) {
94 FG_LOG( FG_IO, FG_ALERT, "Success reading data." );
95 process_command( buf );
98 FG_LOG( FG_IO, FG_ALERT,
99 "in or out direction not supported for FGProps." );
107 bool FGProps::close() {
108 SGIOChannel *io = get_io_channel();
110 set_enabled( false );
112 if ( ! io->close() ) {