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/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ident "%Z%%M% %I% %E% SMI" /* from UCB 4.8 6/25/83 */
/*
* Dial the DF02-AC or DF03-AC
*/
#include "tip.h"
static sigjmp_buf Sjbuf;
static void timeout();
df02_dialer(num, acu)
char *num, *acu;
{
return (df_dialer(num, acu, 0));
}
df03_dialer(num, acu)
char *num, *acu;
{
return (df_dialer(num, acu, 1));
}
df_dialer(num, acu, df03)
char *num, *acu;
int df03;
{
register int f = FD;
struct termios buf;
int speed = 0;
char c = '\0';
ioctl(f, TCGETS, &buf);
buf.c_cflag |= HUPCL;
ioctl(f, TCSETS, &buf);
if (sigsetjmp(Sjbuf, 1)) {
printf("connection timed out\r\n");
df_disconnect();
return (0);
}
if (boolean(value(VERBOSE)))
printf("\ndialing...");
fflush(stdout);
#ifdef TIOCMSET
if (df03) {
int st = TIOCM_ST; /* secondary Transmit flag */
ioctl(f, TCGETS, &buf);
if (cfgetospeed(&buf) != B1200) { /* must dial at 1200 baud */
speed = cfgetospeed(&buf);
cfsetospeed(&buf, B0);
cfsetispeed(&buf, B0);
cfsetospeed(&buf, B1200);
ioctl(f, TCSETSW, &buf);
ioctl(f, TIOCMBIC, &st); /* clear ST for 300 baud */
} else
ioctl(f, TIOCMBIS, &st); /* set ST for 1200 baud */
}
#endif
signal(SIGALRM, timeout);
alarm(5 * strlen(num) + 10);
ioctl(f, TCFLSH, TCOFLUSH);
write(f, "\001", 1);
sleep(1);
write(f, "\002", 1);
write(f, num, strlen(num));
read(f, &c, 1);
#ifdef TIOCMSET
if (df03 && speed) {
cfsetospeed(&buf, B0);
cfsetispeed(&buf, B0);
cfsetospeed(&buf, speed);
ioctl(f, TCSETSW, &buf);
}
#endif
return (c == 'A');
}
df_disconnect()
{
write(FD, "\001", 1);
sleep(1);
ioctl(FD, TCFLSH, TCOFLUSH);
}
df_abort()
{
df_disconnect();
}
static void
timeout()
{
siglongjmp(Sjbuf, 1);
}
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