[6fc7d6]: instrument-control / src / tcp / tcp_timeout.cc  Maximize  Restore  History

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// Copyright (C) 2013 Stefan Mahr <dac922@gmx.de>
// Copyright (C) 2012 Andrius Sutas <andrius.sutas@gmail.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, see <http://www.gnu.org/licenses/>.
#include <octave/oct.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#ifdef BUILD_TCP
#include "tcp_class.h"
static bool type_loaded = false;
#endif
DEFUN_DLD (tcp_timeout, args, nargout,
"-*- texinfo -*-\n\
@deftypefn {Loadable Function} {} tcp_timeout (@var{tcp}, @var{timeout})\n \
@deftypefnx {Loadable Function} {@var{t} = } tcp_timeout (@var{tcp})\n \
\n\
Set new or get existing tcp interface timeout parameter used for tcp_read() requests. The timeout value is specified in milliseconds.\n \
\n\
@var{tcp} - instance of @var{octave_tcp} class.@* \
@var{timeout} - tcp_read() timeout value in milliseconds. Value of -1 means a blocking call.\n \
\n\
If @var{timeout} parameter is omitted, the tcp_timeout() shall return current timeout value as the result @var{t}.\n \
@end deftypefn")
{
#ifndef BUILD_TCP
error("tcp: Your system doesn't support the TCP interface");
return octave_value();
#else
if (!type_loaded)
{
octave_tcp::register_type();
type_loaded = true;
}
if (args.length() < 1 || args.length() > 2 || args(0).type_id() != octave_tcp::static_type_id())
{
print_usage();
return octave_value(-1);
}
octave_tcp* tcp = NULL;
const octave_base_value& rep = args(0).get_rep();
tcp = &((octave_tcp &)rep);
// Setting new timeout
if (args.length() > 1)
{
if ( !(args(1).is_integer_type() || args(1).is_float_type()) )
{
print_usage();
return octave_value(-1);
}
tcp->set_timeout(args(1).int_value());
return octave_value(); // Should it return by default?
}
// Returning current timeout
return octave_value(tcp->get_timeout());
#endif
}