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>
34 FG_USING_STD(istrstream);
43 // open hailing frequencies
44 bool FGProps::open() {
46 FG_LOG( FG_IO, FG_ALERT, "This shouldn't happen, but the channel "
47 << "is already in use, ignoring" );
51 SGIOChannel *io = get_io_channel();
53 if ( ! io->open( get_direction() ) ) {
54 FG_LOG( FG_IO, FG_ALERT, "Error opening channel communication layer." );
64 bool FGProps::process_command( const char *cmd ) {
65 cout << "processing command = " << cmd << endl;
74 tokens.push_back( token );
77 string command = tokens[0];
79 if ( command == "ls" ) {
87 // process work for this port
88 bool FGProps::process() {
89 SGIOChannel *io = get_io_channel();
91 cout << "processing incoming props command" << endl;
93 if ( get_direction() == SG_IO_BI ) {
94 cout << " (bi directional)" << endl;
95 while ( io->read( buf, max_cmd_len ) > 0 ) {
96 FG_LOG( FG_IO, FG_ALERT, "Success reading data." );
97 process_command( buf );
100 FG_LOG( FG_IO, FG_ALERT,
101 "in or out direction not supported for FGProps." );
109 bool FGProps::close() {
110 SGIOChannel *io = get_io_channel();
112 set_enabled( false );
114 if ( ! io->close() ) {