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| Commit | Line | Data |
|---|---|---|
| 0088db67 | 1 | #ifndef lint |
| 74040d36 | 2 | static char sccsid[] = "@(#)cds224.c 1.2 (Berkeley) %G%"; |
| 0088db67 JB |
3 | #endif !lint |
| 4 | ||
| 5 | #include "../condevs.h" | |
| 0088db67 JB |
6 | |
| 7 | /* | |
| 8 | * conopn: establish dial-out connection through a Concord CDS 224. | |
| 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 | #define TRYS 5 /* number of trys */ | |
| 14 | ||
| 15 | cdsopn224(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 | char *tempbuf[20]; | |
| 25 | ||
| 26 | sprintf(dcname, "/dev/%s", dev->D_line); | |
| 27 | if (setjmp(Sjbuf)) { | |
| 28 | DEBUG(1, "timeout concord open\n", ""); | |
| 29 | logent("concord open", "TIMEOUT"); | |
| 30 | if (dh >= 0) | |
| 31 | cdscls224(dh); | |
| 32 | delock(dev->D_line); | |
| 33 | return CF_NODEV; | |
| 34 | } | |
| 35 | signal(SIGALRM, alarmtr); | |
| 36 | getnextfd(); | |
| 37 | alarm(10); | |
| 38 | dh = open(dcname, 2); | |
| 39 | alarm(0); | |
| 40 | ||
| 41 | /* modem is open */ | |
| 42 | next_fd = -1; | |
| 43 | if (dh < 0) { | |
| 44 | delock(dev->D_line); | |
| 45 | return CF_NODEV; | |
| 46 | } | |
| 47 | fixline(dh, dev->D_speed); | |
| 48 | ||
| 49 | DEBUG(4, "calling %s -> ", telno); | |
| 50 | if (dochat(dev, flds, dh)) { | |
| 51 | logent(dcname, "CHAT FAILED"); | |
| 52 | cdscls224(dh); | |
| 53 | return CF_DIAL; | |
| 54 | } | |
| 55 | for(i = 0; i < TRYS; ++i) { | |
| 56 | /* wake up Concord */ | |
| 57 | write(dh, "\r\r", 2); | |
| 58 | DEBUG(4, "wanted CDS >", CNULL); | |
| 59 | ok = expect("CDS >", dh); | |
| 60 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 61 | if (ok != 0) | |
| 62 | continue; | |
| 63 | ||
| 64 | write(dh, "\r", 2); | |
| 65 | DEBUG(4, "wanted CDS >", CNULL); | |
| 66 | ok = expect("CDS >", dh); | |
| 67 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 68 | if (ok != 0) | |
| 69 | continue; | |
| 70 | ||
| 71 | /* send telno \r */ | |
| 72 | sprintf(tempbuf,"D%s\r",telno); | |
| 73 | write(dh, tempbuf, strlen(tempbuf)); | |
| 74 | ||
| 75 | DEBUG(4, "wanted DIALING ", CNULL); | |
| 76 | ok = expect("DIALING ", dh); | |
| 77 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 78 | if (ok == 0) | |
| 79 | break; | |
| 80 | } | |
| 81 | ||
| 82 | if (ok == 0) { | |
| 83 | sleep(10); /* give concord some time */ | |
| 84 | DEBUG(4, "wanted INITIATING " , CNULL); | |
| 85 | ok = expect("INITIATING", dh); | |
| 86 | DEBUG(4, "got %s\n", ok ? "?" : "that"); | |
| 87 | } | |
| 88 | ||
| 89 | if (ok != 0) { | |
| 90 | if (dh > 2) | |
| 91 | close(dh); | |
| 92 | DEBUG(4, "conDial failed\n", CNULL); | |
| 93 | delock(dev->D_line); | |
| 94 | return CF_DIAL; | |
| 95 | } | |
| 96 | DEBUG(4, "concord ok\n", CNULL); | |
| 97 | return dh; | |
| 98 | } | |
| 99 | ||
| 100 | cdscls224(fd) | |
| 101 | { | |
| 102 | ||
| 103 | if (fd > 0) { | |
| 104 | close(fd); | |
| 105 | sleep(5); | |
| 106 | delock(devSel); | |
| 107 | } | |
| 108 | } |