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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "uucp.h"
#ifdef D_PROTOCOL
#include <dk.h>
#define XBUFSIZ 1024
time_t time();
static jmp_buf Dfailbuf;
extern int drdblk();
/*
* Datakit protocol
*/
/* ARGSUSED */
static void
dalarm(sig)
int sig;
{
longjmp(Dfailbuf,1);
}
static void (*dsig)();
#ifndef V8
static short dkrmode[3] = { DKR_BLOCK, 0, 0 };
static short dkeof[3] = { 106, 0, 0 }; /* End of File signal */
#endif
/*
* turn on protocol
*/
int
dturnon()
{
#ifdef V8
extern int dkp_ld;
#endif
dsig=signal(SIGALRM, dalarm);
#ifdef V8
if (dkproto(Ofn, dkp_ld) < 0)
{
DEBUG(3, "%s\n", "No dkp_ld");
return(-1);
}
#else
if((*Ioctl)(Ofn, DIOCRMODE, dkrmode) < 0) {
int ret;
ret=(*Ioctl)(Ofn, DIOCRMODE, dkrmode);
DEBUG(4, "dturnon: ret=%d, ", ret);
DEBUG(4, "Ofn=%d, ", Ofn);
DEBUG(4, "errno=%d\n", errno);
return(-1);
}
#endif /* V8 */
return(0);
}
int
dturnoff()
{
(void) signal(SIGALRM, dsig);
return(0);
}
/*
* write message across Datakit link
* type -> message type
* str -> message body (ascii string)
* fn -> Datakit file descriptor
* return
* SUCCESS -> message sent
* FAIL -> write failed
*/
int
dwrmsg(type, str, fn)
register char *str;
int fn;
char type;
{
register char *s;
char bufr[XBUFSIZ];
bufr[0] = type;
s = &bufr[1];
while (*str)
*s++ = *str++;
*s = '\0';
if (*(--s) == '\n')
*s = '\0';
return((*Write)(fn, bufr, (unsigned) strlen(bufr) + 1) < 0 ? FAIL : SUCCESS);
}
/*
* read message from Datakit link
* str -> message buffer
* fn -> Datakit file descriptor
* return
* FAIL -> send timed out
* SUCCESS -> ok message in str
*/
int
drdmsg(str, fn)
register char *str;
{
register int len;
if(setjmp(Dfailbuf))
return(FAIL);
(void) alarm(60);
for (;;) {
if( (len = (*Read)(fn, str, XBUFSIZ)) <= 0) {
(void) alarm(0);
return(FAIL);
}
str += len;
if (*(str - 1) == '\0')
break;
}
(void) alarm(0);
return(SUCCESS);
}
/*
* read data from file fp1 and write
* on Datakit link
* fp1 -> file descriptor
* fn -> Datakit descriptor
* returns:
* FAIL ->failure in Datakit link
* SUCCESS -> ok
*/
int
dwrdata(fp1, fn)
FILE *fp1;
{
register int fd1;
register int len, ret;
unsigned long bytes;
char bufr[XBUFSIZ];
bytes = 0L;
fd1 = fileno( fp1 );
while ((len = read( fd1, bufr, XBUFSIZ )) > 0) {
bytes += len;
putfilesize(bytes);
ret = (*Write)(fn, bufr, (unsigned) len);
if (ret != len) {
return(FAIL);
}
if (len != XBUFSIZ)
break;
}
ASSERT(len >= 0, "DISK READ ERROR", strerror(errno), len);
#ifndef V8
(*Ioctl)(fn, DIOCXCTL, dkeof);
#endif
ret = (*Write)(fn, bufr, (unsigned) 0);
return(SUCCESS);
}
/*
* read data from Datakit link and
* write into file
* fp2 -> file descriptor
* fn -> Datakit descriptor
* returns:
* SUCCESS -> ok
* FAIL -> failure on Datakit link
*/
int
drddata(fn, fp2)
FILE *fp2;
{
register int fd2;
register int len;
register int ret = SUCCESS;
unsigned long bytes;
char bufr[XBUFSIZ];
bytes = 0L;
fd2 = fileno( fp2 );
for (;;) {
len = drdblk(bufr, XBUFSIZ, fn);
if (len < 0) {
return(FAIL);
}
bytes += len;
putfilesize(bytes);
if( ret == SUCCESS && write( fd2, bufr, len ) != len )
ret = errno;
if (len < XBUFSIZ)
break;
}
return(ret);
}
/*
* read block from Datakit link
* reads are timed
* blk -> address of buffer
* len -> size to read
* fn -> Datakit descriptor
* returns:
* FAIL -> link error timeout on link
* i -> # of bytes read
*/
int
drdblk(blk, len, fn)
register char *blk;
{
register int i, ret;
struct dkqqabo why;
if(setjmp(Dfailbuf))
return(FAIL);
for (i = 0; i < len; i += ret) {
(void) alarm(60);
if ((ret = (*Read)(fn, blk, (unsigned) len - i)) < 0) {
(void) alarm(0);
return(FAIL);
}
blk += ret;
if (ret == 0) { /* zero length block contains only EOF signal */
ioctl(fn, DIOCQQABO, &why);
if (why.rcv_ctlchar != dkeof[0])
i = FAIL;
break;
}
}
(void) alarm(0);
return(i);
}
#endif /* D_PROTOCOL */
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