projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| a0c21c7b C |
1 | /* biz22.c 4.1 81/11/29 */ |
| 2 | #include "tip.h" | |
| 3 | ||
| 4 | #if BIZ1022 | |
| 5 | #define DISCONNECT "\20\04" /* disconnection string */ | |
| 6 | ||
| 7 | static int sigALRM(); | |
| 8 | static int timeout = 0; | |
| 9 | ||
| 10 | /* | |
| 11 | * Dial up on a BIZCOMP Model 1022 with either | |
| 12 | * tone dialing (mod = "V") | |
| 13 | * pulse dialing (mod = "W") | |
| 14 | */ | |
| 15 | static int | |
| 16 | biz_dialer(num, mod) | |
| 17 | char *num, *mod; | |
| 18 | { | |
| 19 | register int connected = 0; | |
| 20 | char cbuf[40]; | |
| 21 | ||
| 22 | if (boolean(value(VERBOSE))) | |
| 23 | printf("\nstarting call..."); | |
| 24 | /* | |
| 25 | * Disable auto-answer and configure for tone/pulse | |
| 26 | * dialing | |
| 27 | */ | |
| 28 | if (cmd("\02K\r")) { | |
| 29 | printf("can't initialize bizcomp..."); | |
| 30 | return (0); | |
| 31 | } | |
| 32 | strcpy(cbuf, "\02.\r"); | |
| 33 | cbuf[1] = *mod; | |
| 34 | if (cmd(cbuf)) { | |
| 35 | printf("can't set dialing mode..."); | |
| 36 | return (0); | |
| 37 | } | |
| 38 | strcpy(cbuf, "\02D"); | |
| 39 | strcat(cbuf, num); | |
| 40 | strcat(cbuf, "\r"); | |
| 41 | write(FD, cbuf, strlen(cbuf)); | |
| 42 | if (!detect("7\r")) { | |
| 43 | printf("can't get dial tone..."); | |
| 44 | return (0); | |
| 45 | } | |
| 46 | if (boolean(value(VERBOSE))) | |
| 47 | printf("ringing..."); | |
| 48 | /* | |
| 49 | * The reply from the BIZCOMP should be: | |
| 50 | * 2 \r or 7 \r failure | |
| 51 | * 1 \r success | |
| 52 | */ | |
| 53 | connected = detect("1\r"); | |
| 54 | #ifdef ACULOG | |
| 55 | if (timeout) { | |
| 56 | char line[80]; | |
| 57 | ||
| 58 | sprintf(line, "%d second dial timeout", | |
| 59 | number(value(DIALTIMEOUT))); | |
| 60 | logent(value(HOST), num, "biz1022", line); | |
| 61 | } | |
| 62 | #endif | |
| 63 | if (timeout) | |
| 64 | biz22_disconnect(); /* insurance */ | |
| 65 | return (connected); | |
| 66 | } | |
| 67 | ||
| 68 | biz22w_dialer(num, acu) | |
| 69 | char *num, *acu; | |
| 70 | { | |
| 71 | return (biz_dialer(num, "W")); | |
| 72 | } | |
| 73 | ||
| 74 | biz22f_dialer(num, acu) | |
| 75 | char *num, *acu; | |
| 76 | { | |
| 77 | return (biz_dialer(num, "V")); | |
| 78 | } | |
| 79 | ||
| 80 | biz22_disconnect() | |
| 81 | { | |
| 82 | write(FD, DISCONNECT, 4); | |
| 83 | sleep(2); | |
| 84 | ioctl(FD, TIOCFLUSH); | |
| 85 | } | |
| 86 | ||
| 87 | biz22_abort() | |
| 88 | { | |
| 89 | write(FD, "\02", 1); | |
| 90 | timeout = 1; | |
| 91 | } | |
| 92 | ||
| 93 | static int | |
| 94 | sigALRM() | |
| 95 | { | |
| 96 | signal(SIGALRM, SIG_IGN); | |
| 97 | printf("\07timeout waiting for reply\n"); | |
| 98 | timeout = 1; | |
| 99 | } | |
| 100 | ||
| 101 | static int | |
| 102 | cmd(s) | |
| 103 | register char *s; | |
| 104 | { | |
| 105 | char c; | |
| 106 | ||
| 107 | write(FD, s, strlen(s)); | |
| 108 | timeout = 0; | |
| 109 | signal(SIGALRM, biz22_abort); | |
| 110 | alarm(number(value(DIALTIMEOUT))); | |
| 111 | read(FD, &c, 1); | |
| 112 | alarm(0); | |
| 113 | signal(SIGALRM, SIG_DFL); | |
| 114 | if (timeout) | |
| 115 | return (1); | |
| 116 | c &= 0177; | |
| 117 | return (c != '\r'); | |
| 118 | } | |
| 119 | ||
| 120 | static int | |
| 121 | detect(s) | |
| 122 | register char *s; | |
| 123 | { | |
| 124 | char c; | |
| 125 | ||
| 126 | signal(SIGALRM, biz22_abort); | |
| 127 | timeout = 0; | |
| 128 | while (*s) { | |
| 129 | alarm(number(value(DIALTIMEOUT))); | |
| 130 | read(FD, &c, 1); | |
| 131 | alarm(0); | |
| 132 | if (timeout) | |
| 133 | return (0); | |
| 134 | c &= 0177; | |
| 135 | if (c != *s++) | |
| 136 | return (0); | |
| 137 | } | |
| 138 | signal(SIGALRM, SIG_DFL); | |
| 139 | return (1); | |
| 140 | } |