/* $NetBSD: pnode.c,v 1.13 2012/08/16 09:25:43 manu Exp $ */
/*
* Copyright (c) 2006 Antti Kantee. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: pnode.c,v 1.13 2012/08/16 09:25:43 manu Exp $");
#endif /* !lint */
#include <sys/types.h>
#include <assert.h>
#include <puffs.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "puffs_priv.h"
/*
* Well, you're probably wondering why this isn't optimized.
* The reason is simple: my available time is not optimized for
* size ... so please be patient ;)
*/
struct puffs_node *
puffs_pn_new(struct puffs_usermount *pu, void *privdata)
{
struct puffs_node *pn;
pn = calloc(1, sizeof(struct puffs_node));
if (pn == NULL)
return NULL;
pn->pn_data = privdata;
pn->pn_mnt = pu;
puffs_vattr_null(&pn->pn_va);
LIST_INSERT_HEAD(&pu->pu_pnodelst, pn, pn_entries);
pu->pu_flags |= PUFFS_FLAG_PNCOOKIE;
return pn;
}
void
puffs_pn_remove(struct puffs_node *pn)
{
LIST_REMOVE(pn, pn_entries);
pn->pn_flags |= PUFFS_NODE_REMOVED;
}
void
puffs_pn_put(struct puffs_node *pn)
{
struct puffs_usermount *pu = pn->pn_mnt;
pu->pu_pathfree(pu, &pn->pn_po);
if ((pn->pn_flags & PUFFS_NODE_REMOVED) == 0)
LIST_REMOVE(pn, pn_entries);
free(pn);
}
/* walk list, rv can be used either to halt or to return a value */
void *
puffs_pn_nodewalk(struct puffs_usermount *pu, puffs_nodewalk_fn fn, void *arg)
{
struct puffs_node *pn_cur, *pn_next;
void *rv;
pn_cur = LIST_FIRST(&pu->pu_pnodelst);
while (pn_cur) {
pn_next = LIST_NEXT(pn_cur, pn_entries);
rv = fn(pu, pn_cur, arg);
if (rv)
return rv;
pn_cur = pn_next;
}
return NULL;
}
struct vattr *
puffs_pn_getvap(struct puffs_node *pn)
{
return &pn->pn_va;
}
void *
puffs_pn_getpriv(struct puffs_node *pn)
{
return pn->pn_data;
}
void
puffs_pn_setpriv(struct puffs_node *pn, void *priv)
{
pn->pn_data = priv;
}
struct puffs_pathobj *
puffs_pn_getpo(struct puffs_node *pn)
{
return &pn->pn_po;
}
struct puffs_usermount *
puffs_pn_getmnt(struct puffs_node *pn)
{
return pn->pn_mnt;
}
/* convenience / shortcut */
void *
puffs_pn_getmntspecific(struct puffs_node *pn)
{
return pn->pn_mnt->pu_privdata;
}
/*
* newnode parameters
*/
void
puffs_newinfo_setcookie(struct puffs_newinfo *pni, puffs_cookie_t cookie)
{
*pni->pni_cookie = cookie;
}
void
puffs_newinfo_setvtype(struct puffs_newinfo *pni, enum vtype vt)
{
*pni->pni_vtype = vt;
}
void
puffs_newinfo_setsize(struct puffs_newinfo *pni, voff_t size)
{
*pni->pni_size = size;
}
void
puffs_newinfo_setrdev(struct puffs_newinfo *pni, dev_t rdev)
{
*pni->pni_rdev = rdev;
}
void
puffs_newinfo_setva(struct puffs_newinfo *pni, struct vattr *va)
{
(void)memcpy(pni->pni_va, va, sizeof(struct vattr));
}
void
puffs_newinfo_setvattl(struct puffs_newinfo *pni, struct timespec *va_ttl)
{
pni->pni_va_ttl->tv_sec = va_ttl->tv_sec;
pni->pni_va_ttl->tv_nsec = va_ttl->tv_nsec;
}
void
puffs_newinfo_setcnttl(struct puffs_newinfo *pni, struct timespec *cn_ttl)
{
pni->pni_cn_ttl->tv_sec = cn_ttl->tv_sec;
pni->pni_cn_ttl->tv_nsec = cn_ttl->tv_nsec;
}
