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Annotation of 43BSDReno/usr.bin/uucp/aculib/va811.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)va811.c    4.2 (Berkeley) 2/24/88";
        !             3: #endif
        !             4: 
        !             5: #include "../condevs.h"
        !             6: 
        !             7: /*
        !             8:  * Racal-Vadic VA811 dialer with 831 adaptor.
        !             9:  * A typical 300 baud L-devices entry is
        !            10:  *     ACU /dev/tty10 unused 300 va811s
        !            11:  * where tty10 is the communication line (D_Line),
        !            12:  * and 300 is the line speed.
        !            13:  * This is almost identical to RVMACS except that we don't need to
        !            14:  * send addresses and modem types, and don't need the fork.
        !            15:  *     Joe Kelsey, fluke!joe, vax4.1526, Apr 11 1984.
        !            16:  */
        !            17: 
        !            18: #define        STX     02      /* Access Adaptor */
        !            19: #define        ETX     03      /* Transfer to Dialer */
        !            20: #define        SI      017     /* Buffer Empty (end of phone number) */
        !            21: #define        SOH     01      /* Abort */
        !            22: 
        !            23: va811opn(ph, flds, dev)
        !            24: char *ph, *flds[];
        !            25: struct Devices *dev;
        !            26: {
        !            27:        int va;
        !            28:        register int i, tries;
        !            29:        char c, dcname[20];
        !            30:        char vabuf[35];         /* STX, 31 phone digits, SI, ETX, NUL */
        !            31: 
        !            32:        va = 0;
        !            33:        sprintf(dcname, "/dev/%s", dev->D_line);
        !            34:        if (setjmp(Sjbuf)) {
        !            35:                DEBUG(1, "timeout va811 open\n", 0);
        !            36:                logent("va811opn", "TIMEOUT");
        !            37:                if (va >= 0)
        !            38:                        close(va);
        !            39:                delock(dev->D_line);
        !            40:                return CF_NODEV;
        !            41:        }
        !            42:        DEBUG(4, "va811: STARTING CALL\n", 0);
        !            43:        getnextfd();
        !            44:        signal(SIGALRM, alarmtr);
        !            45:        alarm(10);
        !            46:        va = open(dcname, 2);
        !            47:        alarm(0);
        !            48: 
        !            49:        /* line is open */
        !            50:        next_fd = -1;
        !            51:        if (va < 0) {
        !            52:                DEBUG(4, errno == 4 ? "%s: no carrier\n" : "%s: can't open\n",
        !            53:                        dcname);
        !            54:                delock(dev->D_line);
        !            55:                logent(dcname, "CAN'T OPEN");
        !            56:                return(errno == 4 ? CF_DIAL : CF_NODEV);
        !            57:        }
        !            58:        fixline(va, dev->D_speed);
        !            59: 
        !            60:        /* first, reset everything */
        !            61:        sendthem("\\01\\c", va);
        !            62:        DEBUG(4, "wanted %c ", 'B');
        !            63:        i = expect("B", va);
        !            64:        DEBUG(4, "got %s\n", i ? "?" : "that");
        !            65:        if (i != 0) {
        !            66:            DEBUG(4, "va811: NO RESPONSE\n", 0);
        !            67:            logent("va811 reset", "TIMEOUT");
        !            68:            close(va);
        !            69:            delock(dev->D_line);
        !            70:            return CF_DIAL;
        !            71:        }
        !            72: 
        !            73:        sprintf(vabuf, "%c%.31s%c%c\\c", STX, ph, SI, SOH);
        !            74:        sendthem(vabuf, va);
        !            75:        DEBUG(4, "wanted %c ", 'B');
        !            76:        i = expect("B", va);
        !            77:        DEBUG(4, "got %s\n", i ? "?" : "that");
        !            78: 
        !            79:        if (i != 0) {
        !            80:            DEBUG(4, "va811: STORE NUMBER\n", 0);
        !            81:            logent("va811 STORE", _FAILED);
        !            82:            close(va);
        !            83:            delock(dev->D_line);
        !            84:            return CF_DIAL;
        !            85:        }
        !            86: 
        !            87:        for (tries = 0; tries < TRYCALLS; tries++) {
        !            88:            sprintf(vabuf, "%c%c\\c", STX, ETX);
        !            89:            sendthem(vabuf, va);
        !            90:            DEBUG(4, "DIALING...", CNULL);
        !            91:            i = expect("A", va);
        !            92:            DEBUG(4, " %s\n", i ? _FAILED : "SUCCEEDED");
        !            93:            if (i != 0) {
        !            94:                DEBUG(4, "va811: RESETTING\n", CNULL);
        !            95:                logent("va811 DIAL", _FAILED);
        !            96:                sendthem("\\01\\c", va);
        !            97:                expect("B", va);
        !            98:            }
        !            99:            else
        !           100:                break;
        !           101:        }
        !           102: 
        !           103:        if (tries >= TRYCALLS) {
        !           104:            close(va);
        !           105:            delock(dev->D_line);
        !           106:            return CF_DIAL;
        !           107:        }
        !           108: 
        !           109:        DEBUG(4, "va811 ok\n", CNULL);
        !           110:        return va;
        !           111: }
        !           112: 
        !           113: va811cls(fd)
        !           114: register int fd;
        !           115: {
        !           116:        DEBUG(2, "va811 close %d\n", fd);
        !           117:        p_chwrite(fd, SOH);
        !           118: /*     ioctl(fd, TIOCCDTR, NULL);*/
        !           119:        close(fd);
        !           120:        delock(devSel);
        !           121: }

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