1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 2006 Antti Kantee.  All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29#if !defined(lint)
30__RCSID("$NetBSD$");
31#endif /* !lint */
32
33#include <sys/types.h>
34
35#include <assert.h>
36#include <puffs.h>
37#include <stdlib.h>
38#include <stdio.h>
39#include <string.h>
40
41#include "puffs_priv.h"
42
43/*
44 * Well, you're probably wondering why this isn't optimized.
45 * The reason is simple: my available time is not optimized for
46 * size ... so please be patient ;)
47 */
48struct puffs_node *
49puffs_pn_new(struct puffs_usermount *pu, void *privdata)
50{
51	struct puffs_node *pn;
52
53	pn = calloc(1, sizeof(struct puffs_node));
54	if (pn == NULL)
55		return NULL;
56
57	pn->pn_data = privdata;
58	pn->pn_mnt = pu;
59	puffs_vattr_null(&pn->pn_va);
60
61	LIST_INSERT_HEAD(&pu->pu_pnodelst, pn, pn_entries);
62
63	pu->pu_flags |= PUFFS_FLAG_PNCOOKIE;
64
65	return pn;
66}
67
68void
69puffs_pn_remove(struct puffs_node *pn)
70{
71
72	LIST_REMOVE(pn, pn_entries);
73	pn->pn_flags |= PUFFS_NODE_REMOVED;
74}
75
76void
77puffs_pn_put(struct puffs_node *pn)
78{
79	struct puffs_usermount *pu = pn->pn_mnt;
80
81	pu->pu_pathfree(pu, &pn->pn_po);
82	if ((pn->pn_flags & PUFFS_NODE_REMOVED) == 0)
83		LIST_REMOVE(pn, pn_entries);
84	free(pn);
85}
86
87/* walk list, rv can be used either to halt or to return a value */
88void *
89puffs_pn_nodewalk(struct puffs_usermount *pu, puffs_nodewalk_fn fn, void *arg)
90{
91	struct puffs_node *pn_cur, *pn_next;
92	void *rv;
93
94	pn_cur = LIST_FIRST(&pu->pu_pnodelst);
95	while (pn_cur) {
96		pn_next = LIST_NEXT(pn_cur, pn_entries);
97		rv = fn(pu, pn_cur, arg);
98		if (rv)
99			return rv;
100		pn_cur = pn_next;
101	}
102
103	return NULL;
104}
105
106struct vattr *
107puffs_pn_getvap(struct puffs_node *pn)
108{
109
110	return &pn->pn_va;
111}
112
113void *
114puffs_pn_getpriv(struct puffs_node *pn)
115{
116
117	return pn->pn_data;
118}
119
120void
121puffs_pn_setpriv(struct puffs_node *pn, void *priv)
122{
123
124	pn->pn_data = priv;
125}
126
127struct puffs_pathobj *
128puffs_pn_getpo(struct puffs_node *pn)
129{
130
131	return &pn->pn_po;
132}
133
134struct puffs_usermount *
135puffs_pn_getmnt(struct puffs_node *pn)
136{
137
138	return pn->pn_mnt;
139}
140
141/* convenience / shortcut */
142void *
143puffs_pn_getmntspecific(struct puffs_node *pn)
144{
145
146	return pn->pn_mnt->pu_privdata;
147}
148
149/*
150 * newnode parameters
151 */
152void
153puffs_newinfo_setcookie(struct puffs_newinfo *pni, puffs_cookie_t cookie)
154{
155
156	*pni->pni_cookie = cookie;
157}
158
159void
160puffs_newinfo_setvtype(struct puffs_newinfo *pni, enum vtype vt)
161{
162
163	*pni->pni_vtype = vt;
164}
165
166void
167puffs_newinfo_setsize(struct puffs_newinfo *pni, voff_t size)
168{
169
170	*pni->pni_size = size;
171}
172
173void
174puffs_newinfo_setrdev(struct puffs_newinfo *pni, dev_t rdev)
175{
176
177	*pni->pni_rdev = rdev;
178}
179
180void
181puffs_newinfo_setva(struct puffs_newinfo *pni, struct vattr *va)
182{
183
184	(void)memcpy(pni->pni_va, va, sizeof(struct vattr));
185}
186
187void
188puffs_newinfo_setvattl(struct puffs_newinfo *pni, struct timespec *va_ttl)
189{
190
191	pni->pni_va_ttl->tv_sec = va_ttl->tv_sec;
192	pni->pni_va_ttl->tv_nsec = va_ttl->tv_nsec;
193}
194
195void
196puffs_newinfo_setcnttl(struct puffs_newinfo *pni, struct timespec *cn_ttl)
197{
198
199	pni->pni_cn_ttl->tv_sec = cn_ttl->tv_sec;
200	pni->pni_cn_ttl->tv_nsec = cn_ttl->tv_nsec;
201}
202
203