freeswitch/libs/spandsp/tests/pseudo_terminal_tests.c
Steve Underwood f7a407feca Removal of some pointless callback parameters in the spandsp AT command
interpreter, and fixes for my congential inability to reliably spell psuedo,
er, pseudo, er, whatever.
2014-01-16 00:47:29 +08:00

151 lines
3.2 KiB
C

/*
* SpanDSP - a series of DSP components for telephony
*
* pseudo_terminal_tests.c - pseudo terminal handling tests.
*
* Written by Steve Underwood <steveu@coppice.org>
*
* Copyright (C) 2012 Steve Underwood
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <inttypes.h>
#include <stdlib.h>
#if defined(WIN32)
#include <windows.h>
#else
#if defined(__APPLE__)
#include <util.h>
#elif defined(__FreeBSD__)
#include <libutil.h>
#include <termios.h>
#include <sys/socket.h>
#else
#include <pty.h>
#endif
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <poll.h>
#include <errno.h>
#endif
#include "spandsp.h"
#include "spandsp/t30_fcf.h"
#include "spandsp-sim.h"
#undef SPANDSP_EXPOSE_INTERNAL_STRUCTURES
#include "pseudo_terminals.h"
static int master(void)
{
modem_t modem[10];
char buf[1024];
int len;
int i;
for (i = 0; i < 10; i++)
{
if (pseudo_terminal_create(&modem[i]))
{
printf("Failure\n");
exit(2);
}
printf("%s %s\n", modem[i].devlink, modem[i].stty);
}
for (;;)
{
for (i = 0; i < 10; i++)
{
len = read(modem[i].master, buf, 4);
if (len >= 0)
{
buf[len] = '\0';
printf("%d %d '%s' %s\n", i, len, buf, strerror(errno));
}
}
}
for (i = 0; i < 10; i++)
{
if (pseudo_terminal_close(&modem[i]))
{
printf("Failure\n");
exit(2);
}
}
return 0;
}
/*- End of function --------------------------------------------------------*/
static int slave(void)
{
int fd[10];
char name[64];
int i;
int j;
for (i = 0; i < 10; i++)
{
sprintf(name, "/dev/spandsp/%d", i);
if ((fd[i] = open(name, O_RDWR)) < 0)
{
printf("Failed to open %s\n", name);
exit(2);
}
printf("%s\n", name);
}
for (j = 0; j < 10; j++)
{
for (i = 0; i < 10; i++)
{
write(fd[i], "FRED", 4);
}
}
for (i = 0; i < 10; i++)
{
if (close(fd[i]))
{
printf("Failed to close %d\n", i);
exit(2);
}
}
return 0;
}
/*- End of function --------------------------------------------------------*/
int main(int argc, char *argv[])
{
if (argc < 2)
master();
else
slave();
return 0;
}
/*- End of function --------------------------------------------------------*/
/*- End of file ------------------------------------------------------------*/