1 // sg_socket.hxx -- Socket I/O routines
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 _SG_SOCKET_HXX
25 #define _SG_SOCKET_HXX
29 # error This library requires C++
32 #include <simgear/compiler.h>
36 #include <simgear/math/fg_types.hxx>
38 #include "iochannel.hxx"
43 #define SG_MAX_SOCKET_QUEUE 32
46 class SGSocket : public SGIOChannel {
51 char save_buf[ 2 * SG_IO_MAX_MSG_SIZE ];
55 short unsigned int port;
56 int sock_style; // SOCK_STREAM or SOCK_DGRAM
58 // make a server (master listening) socket
59 int make_server_socket();
61 // make a client socket
62 int make_client_socket();
64 // int_list client_connections;
68 SGSocket( const string& host, const string& port, const string& style );
71 // If specified as a server (in direction for now) open the master
72 // listening socket. If specified as a client (out direction),
73 // open a connection to a server.
74 bool open( SGProtocolDir dir );
76 // read data from socket
77 int read( char *buf, int length );
79 // read data from socket
80 int readline( char *buf, int length );
82 // write data to a socket
83 int write( char *buf, int length );
85 // write null terminated string to a socket
86 int writestring( char *str );
91 inline string get_hostname() const { return hostname; }
92 inline string get_port_str() const { return port_str; }
96 #endif // _SG_SOCKET_HXX