[unix-history] / usr / src / usr.bin / uucp / libacu / vad.c

#ifndef lint
static char sccsid[] = "@(#)vad.c	4.3 (Berkeley) %G%";
#endif

#include "../condevs.h"

/*
 *	vadopn: establish dial-out connection through a Racal-Vadic 3450.
 *	Returns descriptor open to tty for reading and writing.
 *	Negative values (-1...-7) denote errors in connmsg.
 *	Be sure to disconnect tty when done, via HUPCL or stty 0.
 */

vadopn(telno, flds, dev)
char *telno;
char *flds[];
struct Devices *dev;
{
	int	dh = -1;
	int	i, ok, er = 0, delay;
	extern errno;
	char dcname[20];

	sprintf(dcname, "/dev/%s", dev->D_line);
	if (setjmp(Sjbuf)) {
		DEBUG(1, "timeout vadic open\n", "");
		logent("vadic open", "TIMEOUT");
		if (dh >= 0)
			close(dh);
		delock(dev->D_line);
		return CF_NODEV;
	}
	signal(SIGALRM, alarmtr);
	getnextfd();
	alarm(10);
	dh = open(dcname, 2);
	alarm(0);

	/* modem is open */
	next_fd = -1;
	if (dh < 0) {
		delock(dev->D_line);
		return CF_NODEV;
	}
	fixline(dh, dev->D_speed);

	DEBUG(4, "calling %s -> ", telno);
	if (dochat(dev, flds, dh)) {
		logent(dcname, "CHAT FAILED");
		close(dh);
		return CF_DIAL;
	}
	delay = 0;
	for (i = 0; i < strlen(telno); ++i) {
		switch(telno[i]) {
		case '=':	/* await dial tone */
		case '-':
		case ',':
		case '<':
		case 'K':
			telno[i] = 'K';
			delay += 5;
			break;
		}
	}
	DEBUG(4, "%s\n", telno);
	for(i = 0; i < 5; ++i) {	/* make 5 tries */
		/* wake up Vadic */
		write(dh, "\005", 1);
		sleep(1);
		write(dh, "\r", 1);
		DEBUG(4, "wanted * ", CNULL);
		ok = expect("*~5", dh);
		DEBUG(4, "got %s\n", ok ? "?" : "that");
		if (ok != 0)
			continue;

		write(dh, "D\r", 2); /* "D" (enter number) command */
		DEBUG(4, "wanted NUMBER?\\r\\n ", CNULL);
		ok = expect("NUMBER?\r\n~5", dh);
		DEBUG(4, "got %s\n", ok ? "?" : "that");
		if (ok != 0)
			continue;

		/* send telno, send \r */
		write(dh, telno, strlen(telno));
		sleep(1);
		write(dh, "\r", 1);
		DEBUG(4, "wanted %s ", telno);
		ok = expect(telno, dh);
		if (ok == 0)
			ok = expect("\r\n", dh);
		DEBUG(4, "got %s\n", ok ? "?" : "that");
		if (ok != 0)
			continue;

		write(dh, "\r", 1); /* confirm number */
		DEBUG(4, "wanted DIALING: ", CNULL);
		ok = expect("DIALING: ", dh);
		DEBUG(4, "got %s\n", ok ? "?" : "that");
		if (ok == 0)
			break;
	}

	if (ok == 0) {
		sleep(10 + delay);	/* give vadic some time */
		DEBUG(4, "wanted ON LINE\\r\\n ", CNULL);
		ok = expect("ON LINE\r\n", dh);
		DEBUG(4, "got %s\n", ok ? "?" : "that");
	}

	if (ok != 0) {
		if (dh > 2)
			close(dh);
		DEBUG(4, "vadDial failed\n", CNULL);
		delock(dev->D_line);
		return CF_DIAL;
	}
	DEBUG(4, "vadic ok\n", CNULL);
	return dh;
}

vadcls(fd)
{
	if (fd > 0) {
		close(fd);
		sleep(5);
		delock(devSel);
	}
}
Commit	Line	Data
1429dd8a	1	#ifndef lint
74040d36	2	static char sccsid[] = "@(#)vad.c 4.3 (Berkeley) %G%";
1429dd8a RC	3	#endif
	4
	5	#include "../condevs.h"
1429dd8a RC	6
	7	/*
	8	* vadopn: establish dial-out connection through a Racal-Vadic 3450.
	9	* Returns descriptor open to tty for reading and writing.
	10	* Negative values (-1...-7) denote errors in connmsg.
	11	* Be sure to disconnect tty when done, via HUPCL or stty 0.
	12	*/
	13
	14	vadopn(telno, flds, dev)
	15	char *telno;
	16	char *flds[];
	17	struct Devices *dev;
	18	{
	19	int dh = -1;
	20	int i, ok, er = 0, delay;
	21	extern errno;
	22	char dcname[20];
	23
	24	sprintf(dcname, "/dev/%s", dev->D_line);
	25	if (setjmp(Sjbuf)) {
	26	DEBUG(1, "timeout vadic open\n", "");
	27	logent("vadic open", "TIMEOUT");
	28	if (dh >= 0)
	29	close(dh);
	30	delock(dev->D_line);
	31	return CF_NODEV;
	32	}
	33	signal(SIGALRM, alarmtr);
	34	getnextfd();
	35	alarm(10);
	36	dh = open(dcname, 2);
	37	alarm(0);
	38
	39	/* modem is open */
	40	next_fd = -1;
	41	if (dh < 0) {
	42	delock(dev->D_line);
	43	return CF_NODEV;
	44	}
	45	fixline(dh, dev->D_speed);
	46
	47	DEBUG(4, "calling %s -> ", telno);
	48	if (dochat(dev, flds, dh)) {
	49	logent(dcname, "CHAT FAILED");
	50	close(dh);
	51	return CF_DIAL;
	52	}
	53	delay = 0;
	54	for (i = 0; i < strlen(telno); ++i) {
	55	switch(telno[i]) {
	56	case '=': /* await dial tone */
	57	case '-':
	58	case ',':
	59	case '<':
	60	case 'K':
	61	telno[i] = 'K';
	62	delay += 5;
	63	break;
	64	}
	65	}
	66	DEBUG(4, "%s\n", telno);
	67	for(i = 0; i < 5; ++i) { /* make 5 tries */
	68	/* wake up Vadic */
1070b5bc JB	69	write(dh, "\005", 1);
	70	sleep(1);
	71	write(dh, "\r", 1);
1429dd8a	72	DEBUG(4, "wanted * ", CNULL);
1070b5bc	73	ok = expect("*~5", dh);
1429dd8a RC	74	DEBUG(4, "got %s\n", ok ? "?" : "that");
	75	if (ok != 0)
	76	continue;
	77
	78	write(dh, "D\r", 2); /* "D" (enter number) command */
	79	DEBUG(4, "wanted NUMBER?\\r\\n ", CNULL);
1070b5bc	80	ok = expect("NUMBER?\r\n~5", dh);
1429dd8a RC	81	DEBUG(4, "got %s\n", ok ? "?" : "that");
	82	if (ok != 0)
	83	continue;
	84
	85	/* send telno, send \r */
	86	write(dh, telno, strlen(telno));
	87	sleep(1);
	88	write(dh, "\r", 1);
	89	DEBUG(4, "wanted %s ", telno);
	90	ok = expect(telno, dh);
	91	if (ok == 0)
	92	ok = expect("\r\n", dh);
	93	DEBUG(4, "got %s\n", ok ? "?" : "that");
	94	if (ok != 0)
	95	continue;
	96
	97	write(dh, "\r", 1); /* confirm number */
	98	DEBUG(4, "wanted DIALING: ", CNULL);
	99	ok = expect("DIALING: ", dh);
	100	DEBUG(4, "got %s\n", ok ? "?" : "that");
	101	if (ok == 0)
	102	break;
	103	}
	104
	105	if (ok == 0) {
	106	sleep(10 + delay); /* give vadic some time */
	107	DEBUG(4, "wanted ON LINE\\r\\n ", CNULL);
	108	ok = expect("ON LINE\r\n", dh);
	109	DEBUG(4, "got %s\n", ok ? "?" : "that");
	110	}
	111
	112	if (ok != 0) {
	113	if (dh > 2)
	114	close(dh);
	115	DEBUG(4, "vadDial failed\n", CNULL);
	116	delock(dev->D_line);
	117	return CF_DIAL;
	118	}
	119	DEBUG(4, "vadic ok\n", CNULL);
	120	return dh;
	121	}
	122
1070b5bc JB	123	vadcls(fd)
1070b5bc JB	124	{
1429dd8a RC	125	if (fd > 0) {
	126	close(fd);
	127	sleep(5);
	128	delock(devSel);
	129	}
	130	}