usr/src/usr.bin/uucp/libacu/unet.c

/*-
 * Copyright (c) 1985, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.proprietary.c%
 */

#ifndef lint
static char sccsid[] = "@(#)unet.c      8.1 (Berkeley) %G%";
#endif /* not lint */

#include "condevs.h"
#ifdef UNETTCP

/*
 *      unetopn -- make UNET (tcp-ip) connection
 *
 *      return codes:
 *              >0 - file number - ok
 *              FAIL - failed
 */

/* Default port of uucico server */
#define DFLTPORT        33

unetopn(flds)
register char *flds[];
{
        register int ret, port;
        int unetcls();

        port = atoi(flds[F_PHONE]);
        if (port <= 0 || port > 255)
                port = DFLTPORT;
        DEBUG(4, "unetopn host %s, ", flds[F_NAME]);
        DEBUG(4, "port %d\n", port);
        if (setjmp(Sjbuf)) {
                logent("tcpopen", "TIMEOUT");
                endhnent();     /* see below */
                return CF_DIAL;
        }
        signal(SIGALRM, alarmtr);
        alarm(30);
        ret = tcpopen(flds[F_NAME], port, 0, TO_ACTIVE, "rw");
        alarm(0);
        endhnent();     /* wave magic wand at 3com and incant "eat it, bruce" */
        if (ret < 0) {
                DEBUG(5, "tcpopen failed: errno %d\n", errno);
                logent("tcpopen", _FAILED);
                return CF_DIAL;
        }
        CU_end = unetcls;
        return ret;
}

/*
 * unetcls -- close UNET connection.
 */
unetcls(fd)
register int fd;
{
        DEBUG(4, "UNET CLOSE called\n", 0);
        if (fd > 0) {
#ifdef notdef
                /* disable this until a timeout is put in */
                if (ioctl(fd, UIOCCLOSE, STBNULL))
                        logent("UNET CLOSE", _FAILED);
#endif notdef
                close(fd);
                DEBUG(4, "closed fd %d\n", fd);
        }
}
#endif UNETTCP