1 // iochannel.hxx -- High level IO channel class
3 // Written by Curtis Olson, started November 1999.
5 // Copyright (C) 1999 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 #ifndef _IOCHANNEL_HXX
25 #define _IOCHANNEL_HXX
28 #include <simgear/compiler.h>
30 // #include "protocol.hxx"
39 #define SG_IO_MAX_MSG_SIZE 16384
64 virtual ~SGIOChannel();
66 virtual bool open( const SGProtocolDir d );
67 virtual int read( char *buf, int length );
68 virtual int readline( char *buf, int length );
69 virtual int write( const char *buf, const int length );
70 virtual int writestring( const char *str );
73 inline void set_type( SGChannelType t ) { type = t; }
74 inline SGChannelType get_type() const { return type; }
76 inline void set_dir( const SGProtocolDir d ) { dir = d; }
77 inline SGProtocolDir get_dir() const { return dir; }
78 inline bool isvalid() const { return valid; }
82 #endif // _IOCHANNEL_HXX