/*
 * CMUCS AFStools
 * dumpscan - routines for scanning and manipulating AFS volume dumps
 *
 * Copyright (c) 1998 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software_Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

/* dump.c - Write out parts of a volume dump */

#include "dumpscan.h"
#include "dumpfmt.h"

#define COPYBUFSIZE 65536

afs_uint32
DumpDumpHeader(XFILE * OX, afs_dump_header * hdr)
{
    afs_uint32 r;

    if ((r = WriteTagInt32Pair(OX, TAG_DUMPHEADER, hdr->magic, hdr->version)))
	return r;

    if (hdr->field_mask & F_DUMPHDR_VOLID) {
	if ((r = WriteTagInt32(OX, DHTAG_VOLID, hdr->volid)))
	    return r;
    }
    if (hdr->field_mask & F_DUMPHDR_VOLNAME) {
	if ((r = WriteByte(OX, DHTAG_VOLNAME)))
	    return r;
	if ((r = WriteString(OX, hdr->volname)))
	    return r;
    }
    if (hdr->field_mask & (F_DUMPHDR_FROM | F_DUMPHDR_TO)) {
	if ((r = WriteTagInt16(OX, DHTAG_DUMPTIMES, 2)))
	    return r;
	if ((r = WriteInt32(OX, (hdr->field_mask & F_DUMPHDR_FROM))
			   ? hdr->from_date : 0))
	    return r;
	if ((r = WriteInt32(OX, (hdr->field_mask & F_DUMPHDR_TO)
			    ? hdr->to_date : time(0))))
	    return r;
    }
    return 0;
}


afs_uint32
DumpVolumeHeader(XFILE * OX, afs_vol_header * hdr)
{
    afs_uint32 r;
    int i;

    if ((r = WriteByte(OX, TAG_VOLHEADER)))
	return r;

    if (hdr->field_mask & F_VOLHDR_VOLID) {
	if ((r = WriteTagInt32(OX, VHTAG_VOLID, hdr->volid)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_VOLVERS) {
	if ((r = WriteTagInt32(OX, VHTAG_VERS, hdr->volvers)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_VOLNAME) {
	if ((r = WriteByte(OX, VHTAG_VOLNAME)))
	    return r;
	if ((r = WriteString(OX, hdr->volname)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_INSERV) {
	if ((r = WriteTagByte(OX, VHTAG_INSERV, hdr->flag_inservice)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_BLESSED) {
	if ((r = WriteTagByte(OX, VHTAG_BLESSED, hdr->flag_blessed)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_VOLUNIQ) {
	if ((r = WriteTagInt32(OX, VHTAG_VUNIQ, hdr->voluniq)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_VOLTYPE) {
	if ((r = WriteTagByte(OX, VHTAG_TYPE, hdr->voltype)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_PARENT) {
	if ((r = WriteTagInt32(OX, VHTAG_PARENT, hdr->parent_volid)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_CLONE) {
	if ((r = WriteTagInt32(OX, VHTAG_CLONE, hdr->clone_volid)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_MAXQ) {
	if ((r = WriteTagInt32(OX, VHTAG_MAXQUOTA, hdr->maxquota)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_MINQ) {
	if ((r = WriteTagInt32(OX, VHTAG_MINQUOTA, hdr->minquota)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_DISKUSED) {
	if ((r = WriteTagInt32(OX, VHTAG_DISKUSED, hdr->diskused)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_NFILES) {
	if ((r = WriteTagInt32(OX, VHTAG_FILECNT, hdr->nfiles)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_ACCOUNT) {
	if ((r = WriteTagInt32(OX, VHTAG_ACCOUNT, hdr->account_no)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_OWNER) {
	if ((r = WriteTagInt32(OX, VHTAG_OWNER, hdr->owner)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_CREATE_DATE) {
	if ((r = WriteTagInt32(OX, VHTAG_CREAT, hdr->create_date)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_ACCESS_DATE) {
	if ((r = WriteTagInt32(OX, VHTAG_ACCESS, hdr->access_date)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_UPDATE_DATE) {
	if ((r = WriteTagInt32(OX, VHTAG_UPDATE, hdr->update_date)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_EXPIRE_DATE) {
	if ((r = WriteTagInt32(OX, VHTAG_EXPIRE, hdr->expire_date)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_BACKUP_DATE) {
	if ((r = WriteTagInt32(OX, VHTAG_BACKUP, hdr->backup_date)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_OFFLINE_MSG) {
	if ((r = WriteTagInt32(OX, VHTAG_OFFLINE, *hdr->offline_msg)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_MOTD) {
	if ((r = WriteTagInt32(OX, VHTAG_MOTD, *hdr->motd_msg)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_WEEKUSE) {
	if ((r = WriteTagInt16(OX, VHTAG_WEEKUSE, 7)))
	    return r;
	for (i = 0; i < 7; i++)
	    if ((r = WriteInt32(OX, hdr->weekuse[i])))
		return r;
    }
    if (hdr->field_mask & F_VOLHDR_DAYUSE_DATE) {
	if ((r = WriteTagInt32(OX, VHTAG_DUDATE, hdr->dayuse_date)))
	    return r;
    }
    if (hdr->field_mask & F_VOLHDR_DAYUSE) {
	if ((r = WriteTagInt32(OX, VHTAG_DAYUSE, hdr->dayuse)))
	    return r;
    }
    return 0;
}


afs_uint32
DumpVNode(XFILE * OX, afs_vnode * v)
{
    afs_uint32 r;

    if ((r = WriteTagInt32Pair(OX, TAG_VNODE, v->vnode, v->vuniq)))
	return r;

    if (v->field_mask & F_VNODE_TYPE) {
	if ((r = WriteTagByte(OX, VTAG_TYPE, v->type)))
	    return r;
    }
    if (v->field_mask & F_VNODE_NLINKS) {
	if ((r = WriteTagInt16(OX, VTAG_NLINKS, v->nlinks)))
	    return r;
    }
    if (v->field_mask & F_VNODE_DVERS) {
	if ((r = WriteTagInt32(OX, VTAG_DVERS, v->datavers)))
	    return r;
    }
    if (v->field_mask & F_VNODE_SDATE) {
	if ((r = WriteTagInt32(OX, VTAG_SERVER_DATE, v->server_date)))
	    return r;
    }
    if (v->field_mask & F_VNODE_AUTHOR) {
	if ((r = WriteTagInt32(OX, VTAG_AUTHOR, v->author)))
	    return r;
    }
    if (v->field_mask & F_VNODE_OWNER) {
	if ((r = WriteTagInt32(OX, VTAG_OWNER, v->owner)))
	    return r;
    }
    if (v->field_mask & F_VNODE_GROUP) {
	if ((r = WriteTagInt32(OX, VTAG_GROUP, v->group)))
	    return r;
    }
    if (v->field_mask & F_VNODE_MODE) {
	if ((r = WriteTagInt16(OX, VTAG_MODE, v->mode)))
	    return r;
    }
    if (v->field_mask & F_VNODE_PARENT) {
	if ((r = WriteTagInt32(OX, VTAG_PARENT, v->parent)))
	    return r;
    }
    if (v->field_mask & F_VNODE_CDATE) {
	if ((r = WriteTagInt32(OX, VTAG_CLIENT_DATE, v->client_date)))
	    return r;
    }
    if (v->field_mask & F_VNODE_ACL) {
	if ((r = WriteByte(OX, VTAG_ACL)))
	    return r;
	if ((r =
	    xfwrite(OX, v->acl,
		    SIZEOF_LARGEDISKVNODE - SIZEOF_SMALLDISKVNODE)))
	    return r;
    }
    return 0;
}


afs_uint32
DumpVNodeData(XFILE * OX, char *buf, afs_uint32 size)
{
    afs_uint32 r;

    if ((r = WriteTagInt32(OX, VTAG_DATA, size)))
	return r;
    if ((r = xfwrite(OX, buf, size)))
	return r;
    return 0;
}


afs_uint32
CopyVNodeData(XFILE * OX, XFILE * X, afs_uint32 size)
{
    afs_uint32 r, n;
    static char buf[COPYBUFSIZE];

    if ((r = WriteTagInt32(OX, VTAG_DATA, size)))
	return r;
    while (size) {
	n = (size > COPYBUFSIZE) ? COPYBUFSIZE : size;
	if ((r = xfread(X, buf, n)))
	    return r;
	if ((r = xfwrite(OX, buf, n)))
	    return r;
	size -= n;
    }
    return 0;
}


afs_uint32
DumpDumpEnd(XFILE * OX)
{
    afs_uint32 r;

    if ((r = WriteTagInt32(OX, TAG_DUMPEND, DUMPENDMAGIC)))
	return r;
    return 0;
}
