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/*
Copyright (C) 2002 Hayato Fujiwara
Copyright (C) 2010-2013 Olaf Till <i7tiol@t-online.de>
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 2 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>
#include <oct-stream.h>
#include "defun-dld.h"
#include "dirfns.h"
#include "error.h"
#include "help.h"
#include "oct-map.h"
// #include "systime.h"
#include "ov.h"
#include "oct-obj.h"
#include "utils.h"
#include "oct-env.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/poll.h>
#include <netinet/in.h>
#include <errno.h>
#include <netdb.h>
#include <unistd.h>
#define BUFF_SIZE SSIZE_MAX
// COMM
DEFUN_DLD (sclose, args, ,
"sclose (sockets)\n\
\n\
Close sockets.")
{
octave_value retval;
errno = 0;
if (args.length () == 1)
{
int i, nsock = 0, sock, k, err = 0, nl, rows;
rows = args(0).matrix_value().rows ();
nsock = rows * 2;
if ((int) args(0).matrix_value ().data ()[0] == 0)
{
int num, pid;
struct pollfd *pollfd;
pollfd = (struct pollfd *) malloc (nsock * sizeof (struct pollfd));
for (i = 0; i < nsock; i++)
{
sock = (int) args(0).matrix_value ().data ()[i+nsock];
pollfd[i].fd = sock;
pollfd[i].events = POLLIN;
}
num = poll (pollfd, nsock, 0);
if(num)
for(k=0;k<nsock;k++)
if(pollfd[k].revents && (pollfd[k].fd !=0))
{
sockaddr_in r_addr;
struct hostent *hehe;
socklen_t len = sizeof (r_addr);
getpeername (pollfd[k].fd, (sockaddr *) &r_addr, &len);
hehe = gethostbyaddr ((char *) &r_addr.sin_addr.s_addr,
sizeof (r_addr.sin_addr), AF_INET);
if (pollfd[k].revents & POLLIN)
{
pid=getpid();
if (read (pollfd[k].fd, &nl, sizeof(int)) <
(ssize_t) sizeof (int))
error ("read error");
if (! error_state)
if (write (pollfd[k].fd, &nl, sizeof(int)) <
(ssize_t) sizeof (int))
error ("write error");
error ("error occurred in %s\n\tsee "
"%s:/tmp/octave_error-%s_%5d.log for detail",
hehe->h_name, hehe->h_name, hehe->h_name, pid);
}
if (pollfd[k].revents & POLLERR)
error ("Error condition - %s", hehe->h_name);
if (pollfd[k].revents & POLLHUP)
error ("Hung up - %s", hehe->h_name);
if (pollfd[k].revents & POLLNVAL)
error ("fd not open - %s", hehe->h_name);
}
}
for (i = nsock - 1; i >= rows; i--)
{
sock = (int) args(0).matrix_value ().data ()[i];
if (sock && close (sock))
err++;
}
for (i = rows - 1; i >= 0; i--)
{
sock = (int) args(0).matrix_value ().data ()[i];
if (sock && octave_stream_list::remove (octave_value (sock), ""))
err++;
}
if (err)
error("sclose error %d", err);
retval = (double) err;
}
else
print_usage ();
return retval;
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/

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