projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1429dd8a RC |
1 | #ifndef lint |
| 2 | static char sccsid[] = "@(#)vad.c 4.1 (Berkeley) %G%"; | |
| 3 | #endif | |
| 4 | ||
| 5 | #include "../condevs.h" | |
| 6 | #ifdef VADIC | |
| 7 | ||
| 8 | /* | |
| 9 | * vadopn: establish dial-out connection through a Racal-Vadic 3450. | |
| 10 | * Returns descriptor open to tty for reading and writing. | |
| 11 | * Negative values (-1...-7) denote errors in connmsg. | |
| 12 | * Be sure to disconnect tty when done, via HUPCL or stty 0. | |
| 13 | */ | |
| 14 | ||
| 15 | vadopn(telno, flds, dev) | |
| 16 | char *telno; | |
| 17 | char *flds[]; | |
| 18 | struct Devices *dev; | |
| 19 | { | |
| 20 | int dh = -1; | |
| 21 | int i, ok, er = 0, delay; | |
| 22 | extern errno; | |
| 23 | char dcname[20]; | |
| 24 | ||
| 25 | sprintf(dcname, "/dev/%s", dev->D_line); | |
| 26 | if (setjmp(Sjbuf)) { | |
| 27 | DEBUG(1, "timeout vadic open\n", ""); | |
| 28 | logent("vadic open", "TIMEOUT"); | |
| 29 | if (dh >= 0) | |
| 30 | close(dh); | |
| 31 | delock(dev->D_line); | |
| 32 | return CF_NODEV; | |
| 33 | } | |
| 34 | signal(SIGALRM, alarmtr); | |
| 35 | getnextfd(); | |
| 36 | alarm(10); | |
| 37 | dh = open(dcname, 2); | |
| 38 | alarm(0); | |
| 39 | ||
| 40 | /* modem is open */ | |
| 41 | next_fd = -1; | |
| 42 | if (dh < 0) { | |
| 43 | delock(dev->D_line); | |
| 44 | return CF_NODEV; | |
| 45 | } | |
| 46 | fixline(dh, dev->D_speed); | |
| 47 | ||
| 48 | DEBUG(4, "calling %s -> ", telno); | |
| 49 | if (dochat(dev, flds, dh)) { | |
| 50 | logent(dcname, "CHAT FAILED"); | |
| 51 | close(dh); | |
| 52 | return CF_DIAL; | |
| 53 | } | |
| 54 | delay = 0; | |
| 55 | for (i = 0; i < strlen(telno); ++i) { | |
| 56 | switch(telno[i]) { | |
| 57 | case '=': /* await dial tone */ | |
| 58 | case '-': | |
| 59 | case ',': | |
| 60 | case '<': | |
| 61 | case 'K': | |
| 62 | telno[i] = 'K'; | |
| 63 | delay += 5; | |
| 64 | break; | |
| 65 | } | |
| 66 | } | |
| 67 | DEBUG(4, "%s\n", telno); | |
| 68 | for(i = 0; i < 5; ++i) { /* make 5 tries */ | |
| 69 | /* wake up Vadic */ | |
| 70 | write(dh, "\005\r", 2); | |
| 71 | DEBUG(4, "wanted * ", CNULL); | |
| 72 | ok = expect("*", dh); | |
| 73 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 74 | if (ok != 0) | |
| 75 | continue; | |
| 76 | ||
| 77 | write(dh, "D\r", 2); /* "D" (enter number) command */ | |
| 78 | DEBUG(4, "wanted NUMBER?\\r\\n ", CNULL); | |
| 79 | ok = expect("NUMBER?\r\n", dh); | |
| 80 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 81 | if (ok != 0) | |
| 82 | continue; | |
| 83 | ||
| 84 | /* send telno, send \r */ | |
| 85 | write(dh, telno, strlen(telno)); | |
| 86 | sleep(1); | |
| 87 | write(dh, "\r", 1); | |
| 88 | DEBUG(4, "wanted %s ", telno); | |
| 89 | ok = expect(telno, dh); | |
| 90 | if (ok == 0) | |
| 91 | ok = expect("\r\n", dh); | |
| 92 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 93 | if (ok != 0) | |
| 94 | continue; | |
| 95 | ||
| 96 | write(dh, "\r", 1); /* confirm number */ | |
| 97 | DEBUG(4, "wanted DIALING: ", CNULL); | |
| 98 | ok = expect("DIALING: ", dh); | |
| 99 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 100 | if (ok == 0) | |
| 101 | break; | |
| 102 | } | |
| 103 | ||
| 104 | if (ok == 0) { | |
| 105 | sleep(10 + delay); /* give vadic some time */ | |
| 106 | DEBUG(4, "wanted ON LINE\\r\\n ", CNULL); | |
| 107 | ok = expect("ON LINE\r\n", dh); | |
| 108 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 109 | } | |
| 110 | ||
| 111 | if (ok != 0) { | |
| 112 | if (dh > 2) | |
| 113 | close(dh); | |
| 114 | DEBUG(4, "vadDial failed\n", CNULL); | |
| 115 | delock(dev->D_line); | |
| 116 | return CF_DIAL; | |
| 117 | } | |
| 118 | DEBUG(4, "vadic ok\n", CNULL); | |
| 119 | return dh; | |
| 120 | } | |
| 121 | ||
| 122 | vadcls(fd) { | |
| 123 | ||
| 124 | if (fd > 0) { | |
| 125 | close(fd); | |
| 126 | sleep(5); | |
| 127 | delock(devSel); | |
| 128 | } | |
| 129 | } | |
| 130 | #endif VADIC |