diff options
Diffstat (limited to 'usr.bin/tip/aculib/ventel.c')
| -rw-r--r-- | usr.bin/tip/aculib/ventel.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/usr.bin/tip/aculib/ventel.c b/usr.bin/tip/aculib/ventel.c deleted file mode 100644 index 28b0d28..0000000 --- a/usr.bin/tip/aculib/ventel.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)ventel.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -/* - * Routines for calling up on a Ventel Modem - * The Ventel is expected to be strapped for local echo (just like uucp) - */ -#include "tip.h" - -#define MAXRETRY 5 - -static void sigALRM(); -static int timeout = 0; -static jmp_buf timeoutbuf; - -/* - * some sleep calls have been replaced by this macro - * because some ventel modems require two <cr>s in less than - * a second in order to 'wake up'... yes, it is dirty... - */ -#define delay(num,denom) busyloop(CPUSPEED*num/denom) -#define CPUSPEED 1000000 /* VAX 780 is 1MIPS */ -#define DELAY(n) { register long N = (n); while (--N > 0); } -busyloop(n) { DELAY(n); } - -ven_dialer(num, acu) - register char *num; - char *acu; -{ - register char *cp; - register int connected = 0; - char *msg, *index(), line[80]; - static int gobble(), vensync(); - static void echo(); - - /* - * Get in synch with a couple of carriage returns - */ - if (!vensync(FD)) { - printf("can't synchronize with ventel\n"); -#ifdef ACULOG - logent(value(HOST), num, "ventel", "can't synch up"); -#endif - return (0); - } - if (boolean(value(VERBOSE))) - printf("\ndialing..."); - fflush(stdout); - ioctl(FD, TIOCHPCL, 0); - echo("#k$\r$\n$D$I$A$L$:$ "); - for (cp = num; *cp; cp++) { - delay(1, 10); - write(FD, cp, 1); - } - delay(1, 10); - write(FD, "\r", 1); - gobble('\n', line); - if (gobble('\n', line)) - connected = gobble('!', line); - ioctl(FD, TIOCFLUSH); -#ifdef ACULOG - if (timeout) { - sprintf(line, "%d second dial timeout", - number(value(DIALTIMEOUT))); - logent(value(HOST), num, "ventel", line); - } -#endif - if (timeout) - ven_disconnect(); /* insurance */ - if (connected || timeout || !boolean(value(VERBOSE))) - return (connected); - /* call failed, parse response for user */ - cp = index(line, '\r'); - if (cp) - *cp = '\0'; - for (cp = line; cp = index(cp, ' '); cp++) - if (cp[1] == ' ') - break; - if (cp) { - while (*cp == ' ') - cp++; - msg = cp; - while (*cp) { - if (isupper(*cp)) - *cp = tolower(*cp); - cp++; - } - printf("%s...", msg); - } - return (connected); -} - -ven_disconnect() -{ - - close(FD); -} - -ven_abort() -{ - - write(FD, "\03", 1); - close(FD); -} - -static void -echo(s) - register char *s; -{ - char c; - - while (c = *s++) switch (c) { - - case '$': - read(FD, &c, 1); - s++; - break; - - case '#': - c = *s++; - write(FD, &c, 1); - break; - - default: - write(FD, &c, 1); - read(FD, &c, 1); - } -} - -static void -sigALRM() -{ - printf("\07timeout waiting for reply\n"); - timeout = 1; - longjmp(timeoutbuf, 1); -} - -static int -gobble(match, response) - register char match; - char response[]; -{ - register char *cp = response; - sig_t f; - char c; - - f = signal(SIGALRM, sigALRM); - timeout = 0; - do { - if (setjmp(timeoutbuf)) { - signal(SIGALRM, f); - *cp = '\0'; - return (0); - } - alarm(number(value(DIALTIMEOUT))); - read(FD, cp, 1); - alarm(0); - c = (*cp++ &= 0177); -#ifdef notdef - if (boolean(value(VERBOSE))) - putchar(c); -#endif - } while (c != '\n' && c != match); - signal(SIGALRM, SIG_DFL); - *cp = '\0'; - return (c == match); -} - -#define min(a,b) ((a)>(b)?(b):(a)) -/* - * This convoluted piece of code attempts to get - * the ventel in sync. If you don't have FIONREAD - * there are gory ways to simulate this. - */ -static int -vensync(fd) -{ - int already = 0, nread; - char buf[60]; - - /* - * Toggle DTR to force anyone off that might have left - * the modem connected, and insure a consistent state - * to start from. - * - * If you don't have the ioctl calls to diddle directly - * with DTR, you can always try setting the baud rate to 0. - */ - ioctl(FD, TIOCCDTR, 0); - sleep(1); - ioctl(FD, TIOCSDTR, 0); - while (already < MAXRETRY) { - /* - * After reseting the modem, send it two \r's to - * autobaud on. Make sure to delay between them - * so the modem can frame the incoming characters. - */ - write(fd, "\r", 1); - delay(1,10); - write(fd, "\r", 1); - sleep(2); - if (ioctl(fd, FIONREAD, (caddr_t)&nread) < 0) { - perror("tip: ioctl"); - continue; - } - while (nread > 0) { - read(fd, buf, min(nread, 60)); - if ((buf[nread - 1] & 0177) == '$') - return (1); - nread -= min(nread, 60); - } - sleep(1); - already++; - } - return (0); -} - |
