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Annotation of 43BSDReno/usr.bin/tip/aculib/v3451.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that: (1) source distributions retain this entire copyright
        !             7:  * notice and comment, and (2) distributions including binaries display
        !             8:  * the following acknowledgement:  ``This product includes software
        !             9:  * developed by the University of California, Berkeley and its contributors''
        !            10:  * in the documentation or other materials provided with the distribution
        !            11:  * and in all advertising materials mentioning features or use of this
        !            12:  * software. Neither the name of the University nor the names of its
        !            13:  * contributors may be used to endorse or promote products derived
        !            14:  * from this software without specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  */
        !            19: 
        !            20: #ifndef lint
        !            21: static char sccsid[] = "@(#)v3451.c    5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: /*
        !            25:  * Routines for calling up on a Vadic 3451 Modem
        !            26:  */
        !            27: #include "tip.h"
        !            28: 
        !            29: static jmp_buf Sjbuf;
        !            30: 
        !            31: v3451_dialer(num, acu)
        !            32:        register char *num;
        !            33:        char *acu;
        !            34: {
        !            35:        sig_t func;
        !            36:        int ok;
        !            37:        int slow = number(value(BAUDRATE)) < 1200, rw = 2;
        !            38:        char phone[50];
        !            39: #ifdef ACULOG
        !            40:        char line[80];
        !            41: #endif
        !            42: 
        !            43:        /*
        !            44:         * Get in synch
        !            45:         */
        !            46:        vawrite("I\r", 1 + slow);
        !            47:        vawrite("I\r", 1 + slow);
        !            48:        vawrite("I\r", 1 + slow);
        !            49:        vawrite("\005\r", 2 + slow);
        !            50:        if (!expect("READY")) {
        !            51:                printf("can't synchronize with vadic 3451\n");
        !            52: #ifdef ACULOG
        !            53:                logent(value(HOST), num, "vadic", "can't synch up");
        !            54: #endif
        !            55:                return (0);
        !            56:        }
        !            57:        ioctl(FD, TIOCHPCL, 0);
        !            58:        sleep(1);
        !            59:        vawrite("D\r", 2 + slow);
        !            60:        if (!expect("NUMBER?")) {
        !            61:                printf("Vadic will not accept dial command\n");
        !            62: #ifdef ACULOG
        !            63:                logent(value(HOST), num, "vadic", "will not accept dial");
        !            64: #endif
        !            65:                return (0);
        !            66:        }
        !            67:        strcpy(phone, num);
        !            68:        strcat(phone, "\r");
        !            69:        vawrite(phone, 1 + slow);
        !            70:        if (!expect(phone)) {
        !            71:                printf("Vadic will not accept phone number\n");
        !            72: #ifdef ACULOG
        !            73:                logent(value(HOST), num, "vadic", "will not accept number");
        !            74: #endif
        !            75:                return (0);
        !            76:        }
        !            77:        func = signal(SIGINT,SIG_IGN);
        !            78:        /*
        !            79:         * You cannot interrupt the Vadic when its dialing;
        !            80:         * even dropping DTR does not work (definitely a
        !            81:         * brain damaged design).
        !            82:         */
        !            83:        vawrite("\r", 1 + slow);
        !            84:        vawrite("\r", 1 + slow);
        !            85:        if (!expect("DIALING:")) {
        !            86:                printf("Vadic failed to dial\n");
        !            87: #ifdef ACULOG
        !            88:                logent(value(HOST), num, "vadic", "failed to dial");
        !            89: #endif
        !            90:                return (0);
        !            91:        }
        !            92:        if (boolean(value(VERBOSE)))
        !            93:                printf("\ndialing...");
        !            94:        ok = expect("ON LINE");
        !            95:        signal(SIGINT, func);
        !            96:        if (!ok) {
        !            97:                printf("call failed\n");
        !            98: #ifdef ACULOG
        !            99:                logent(value(HOST), num, "vadic", "call failed");
        !           100: #endif
        !           101:                return (0);
        !           102:        }
        !           103:        ioctl(FD, TIOCFLUSH, &rw);
        !           104:        return (1);
        !           105: }
        !           106: 
        !           107: v3451_disconnect()
        !           108: {
        !           109: 
        !           110:        close(FD);
        !           111: }
        !           112: 
        !           113: v3451_abort()
        !           114: {
        !           115: 
        !           116:        close(FD);
        !           117: }
        !           118: 
        !           119: static
        !           120: vawrite(cp, delay)
        !           121:        register char *cp;
        !           122:        int delay;
        !           123: {
        !           124: 
        !           125:        for (; *cp; sleep(delay), cp++)
        !           126:                write(FD, cp, 1);
        !           127: }
        !           128: 
        !           129: static
        !           130: expect(cp)
        !           131:        register char *cp;
        !           132: {
        !           133:        char buf[300];
        !           134:        register char *rp = buf;
        !           135:        int alarmtr(), timeout = 30, online = 0;
        !           136: 
        !           137:        if (strcmp(cp, "\"\"") == 0)
        !           138:                return (1);
        !           139:        *rp = 0;
        !           140:        /*
        !           141:         * If we are waiting for the Vadic to complete
        !           142:         * dialing and get a connection, allow more time
        !           143:         * Unfortunately, the Vadic times out 24 seconds after
        !           144:         * the last digit is dialed
        !           145:         */
        !           146:        online = strcmp(cp, "ON LINE") == 0;
        !           147:        if (online)
        !           148:                timeout = number(value(DIALTIMEOUT));
        !           149:        signal(SIGALRM, alarmtr);
        !           150:        if (setjmp(Sjbuf))
        !           151:                return (0);
        !           152:        alarm(timeout);
        !           153:        while (notin(cp, buf) && rp < buf + sizeof (buf) - 1) {
        !           154:                if (online && notin("FAILED CALL", buf) == 0)
        !           155:                        return (0);
        !           156:                if (read(FD, rp, 1) < 0) {
        !           157:                        alarm(0);
        !           158:                        return (0);
        !           159:                }
        !           160:                if (*rp &= 0177)
        !           161:                        rp++;
        !           162:                *rp = '\0';
        !           163:        }
        !           164:        alarm(0);
        !           165:        return (1);
        !           166: }
        !           167: 
        !           168: static
        !           169: alarmtr()
        !           170: {
        !           171: 
        !           172:        longjmp(Sjbuf, 1);
        !           173: }
        !           174: 
        !           175: static
        !           176: notin(sh, lg)
        !           177:        char *sh, *lg;
        !           178: {
        !           179: 
        !           180:        for (; *lg; lg++)
        !           181:                if (prefix(sh, lg))
        !           182:                        return (0);
        !           183:        return (1);
        !           184: }
        !           185: 
        !           186: static
        !           187: prefix(s1, s2)
        !           188:        register char *s1, *s2;
        !           189: {
        !           190:        register char c;
        !           191: 
        !           192:        while ((c = *s1++) == *s2++)
        !           193:                if (c == '\0')
        !           194:                        return (1);
        !           195:        return (c == '\0');
        !           196: }

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