1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
28*7c478bd9Sstevel@tonic-gate #include <sys/syscall.h>
29*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
30*7c478bd9Sstevel@tonic-gate #include <stdio.h>
31*7c478bd9Sstevel@tonic-gate #include <strings.h>
32*7c478bd9Sstevel@tonic-gate #include <unistd.h>
33*7c478bd9Sstevel@tonic-gate #include <errno.h>
34*7c478bd9Sstevel@tonic-gate #include <libintl.h>
35*7c478bd9Sstevel@tonic-gate #include <libnvpair.h>
36*7c478bd9Sstevel@tonic-gate #include <thread.h>
37*7c478bd9Sstevel@tonic-gate #include <synch.h>
38*7c478bd9Sstevel@tonic-gate
39*7c478bd9Sstevel@tonic-gate #include "libcpc.h"
40*7c478bd9Sstevel@tonic-gate #include "libcpc_impl.h"
41*7c478bd9Sstevel@tonic-gate
42*7c478bd9Sstevel@tonic-gate /*
43*7c478bd9Sstevel@tonic-gate * Pack a request set into a buffer using libnvpair. Size of buffer is returned
44*7c478bd9Sstevel@tonic-gate * in buflen.
45*7c478bd9Sstevel@tonic-gate */
46*7c478bd9Sstevel@tonic-gate char *
__cpc_pack_set(cpc_set_t * set,uint_t flags,size_t * buflen)47*7c478bd9Sstevel@tonic-gate __cpc_pack_set(cpc_set_t *set, uint_t flags, size_t *buflen)
48*7c478bd9Sstevel@tonic-gate {
49*7c478bd9Sstevel@tonic-gate cpc_request_t *req;
50*7c478bd9Sstevel@tonic-gate nvlist_t *setlist, **reqlist;
51*7c478bd9Sstevel@tonic-gate size_t packsize = 0;
52*7c478bd9Sstevel@tonic-gate char *buf = NULL;
53*7c478bd9Sstevel@tonic-gate int i;
54*7c478bd9Sstevel@tonic-gate int j;
55*7c478bd9Sstevel@tonic-gate
56*7c478bd9Sstevel@tonic-gate if (nvlist_alloc(&setlist, 0, 0) == ENOMEM) {
57*7c478bd9Sstevel@tonic-gate errno = ENOMEM;
58*7c478bd9Sstevel@tonic-gate return (NULL);
59*7c478bd9Sstevel@tonic-gate }
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate if ((reqlist = (nvlist_t **)malloc(set->cs_nreqs * sizeof (*reqlist)))
62*7c478bd9Sstevel@tonic-gate == NULL) {
63*7c478bd9Sstevel@tonic-gate nvlist_free(setlist);
64*7c478bd9Sstevel@tonic-gate errno = ENOMEM;
65*7c478bd9Sstevel@tonic-gate return (NULL);
66*7c478bd9Sstevel@tonic-gate }
67*7c478bd9Sstevel@tonic-gate
68*7c478bd9Sstevel@tonic-gate bzero((void *)reqlist, set->cs_nreqs * sizeof (*reqlist));
69*7c478bd9Sstevel@tonic-gate
70*7c478bd9Sstevel@tonic-gate i = 0;
71*7c478bd9Sstevel@tonic-gate for (req = set->cs_request; req != NULL; req = req->cr_next) {
72*7c478bd9Sstevel@tonic-gate if (nvlist_alloc(&reqlist[i], 0, 0) == ENOMEM)
73*7c478bd9Sstevel@tonic-gate goto nomem;
74*7c478bd9Sstevel@tonic-gate
75*7c478bd9Sstevel@tonic-gate if (nvlist_add_string(reqlist[i], "cr_event",
76*7c478bd9Sstevel@tonic-gate req->cr_event) != 0)
77*7c478bd9Sstevel@tonic-gate goto nomem;
78*7c478bd9Sstevel@tonic-gate if (nvlist_add_uint64(reqlist[i], "cr_preset",
79*7c478bd9Sstevel@tonic-gate req->cr_preset) != 0)
80*7c478bd9Sstevel@tonic-gate goto nomem;
81*7c478bd9Sstevel@tonic-gate if (nvlist_add_uint32(reqlist[i], "cr_flags",
82*7c478bd9Sstevel@tonic-gate req->cr_flags) != 0)
83*7c478bd9Sstevel@tonic-gate goto nomem;
84*7c478bd9Sstevel@tonic-gate if (nvlist_add_uint32(reqlist[i], "cr_index",
85*7c478bd9Sstevel@tonic-gate req->cr_index) != 0)
86*7c478bd9Sstevel@tonic-gate goto nomem;
87*7c478bd9Sstevel@tonic-gate
88*7c478bd9Sstevel@tonic-gate if (req->cr_nattrs != 0) {
89*7c478bd9Sstevel@tonic-gate nvlist_t *attrs;
90*7c478bd9Sstevel@tonic-gate
91*7c478bd9Sstevel@tonic-gate if (nvlist_alloc(&attrs, NV_UNIQUE_NAME, 0) == ENOMEM)
92*7c478bd9Sstevel@tonic-gate goto nomem;
93*7c478bd9Sstevel@tonic-gate
94*7c478bd9Sstevel@tonic-gate for (j = 0; j < req->cr_nattrs; j++) {
95*7c478bd9Sstevel@tonic-gate if (nvlist_add_uint64(attrs,
96*7c478bd9Sstevel@tonic-gate req->cr_attr[j].ka_name,
97*7c478bd9Sstevel@tonic-gate req->cr_attr[j].ka_val) != 0) {
98*7c478bd9Sstevel@tonic-gate nvlist_free(attrs);
99*7c478bd9Sstevel@tonic-gate goto nomem;
100*7c478bd9Sstevel@tonic-gate }
101*7c478bd9Sstevel@tonic-gate }
102*7c478bd9Sstevel@tonic-gate
103*7c478bd9Sstevel@tonic-gate if (nvlist_add_nvlist(reqlist[i], "cr_attr",
104*7c478bd9Sstevel@tonic-gate attrs) != 0) {
105*7c478bd9Sstevel@tonic-gate nvlist_free(attrs);
106*7c478bd9Sstevel@tonic-gate goto nomem;
107*7c478bd9Sstevel@tonic-gate }
108*7c478bd9Sstevel@tonic-gate
109*7c478bd9Sstevel@tonic-gate nvlist_free(attrs);
110*7c478bd9Sstevel@tonic-gate }
111*7c478bd9Sstevel@tonic-gate i++;
112*7c478bd9Sstevel@tonic-gate }
113*7c478bd9Sstevel@tonic-gate
114*7c478bd9Sstevel@tonic-gate if (nvlist_add_nvlist_array(setlist, "reqs", reqlist,
115*7c478bd9Sstevel@tonic-gate set->cs_nreqs) != 0)
116*7c478bd9Sstevel@tonic-gate goto nomem;
117*7c478bd9Sstevel@tonic-gate
118*7c478bd9Sstevel@tonic-gate if (nvlist_add_uint32(setlist, "flags", flags) != 0)
119*7c478bd9Sstevel@tonic-gate goto nomem;
120*7c478bd9Sstevel@tonic-gate
121*7c478bd9Sstevel@tonic-gate if (nvlist_pack(setlist, &buf, &packsize, NV_ENCODE_NATIVE,
122*7c478bd9Sstevel@tonic-gate 0) != 0)
123*7c478bd9Sstevel@tonic-gate goto nomem;
124*7c478bd9Sstevel@tonic-gate
125*7c478bd9Sstevel@tonic-gate for (i = 0; i < set->cs_nreqs; i++)
126*7c478bd9Sstevel@tonic-gate nvlist_free(reqlist[i]);
127*7c478bd9Sstevel@tonic-gate
128*7c478bd9Sstevel@tonic-gate nvlist_free(setlist);
129*7c478bd9Sstevel@tonic-gate free(reqlist);
130*7c478bd9Sstevel@tonic-gate
131*7c478bd9Sstevel@tonic-gate *buflen = packsize;
132*7c478bd9Sstevel@tonic-gate return (buf);
133*7c478bd9Sstevel@tonic-gate
134*7c478bd9Sstevel@tonic-gate nomem:
135*7c478bd9Sstevel@tonic-gate for (i = 0; i < set->cs_nreqs; i++) {
136*7c478bd9Sstevel@tonic-gate if (reqlist[i] != 0)
137*7c478bd9Sstevel@tonic-gate nvlist_free(reqlist[i]);
138*7c478bd9Sstevel@tonic-gate }
139*7c478bd9Sstevel@tonic-gate nvlist_free(setlist);
140*7c478bd9Sstevel@tonic-gate free(reqlist);
141*7c478bd9Sstevel@tonic-gate errno = ENOMEM;
142*7c478bd9Sstevel@tonic-gate return (NULL);
143*7c478bd9Sstevel@tonic-gate }
144*7c478bd9Sstevel@tonic-gate
145*7c478bd9Sstevel@tonic-gate cpc_strhash_t *
__cpc_strhash_alloc(void)146*7c478bd9Sstevel@tonic-gate __cpc_strhash_alloc(void)
147*7c478bd9Sstevel@tonic-gate {
148*7c478bd9Sstevel@tonic-gate cpc_strhash_t *p;
149*7c478bd9Sstevel@tonic-gate
150*7c478bd9Sstevel@tonic-gate if ((p = malloc(sizeof (cpc_strhash_t))) == NULL)
151*7c478bd9Sstevel@tonic-gate return (NULL);
152*7c478bd9Sstevel@tonic-gate
153*7c478bd9Sstevel@tonic-gate p->str = "";
154*7c478bd9Sstevel@tonic-gate p->cur = NULL;
155*7c478bd9Sstevel@tonic-gate p->next = NULL;
156*7c478bd9Sstevel@tonic-gate
157*7c478bd9Sstevel@tonic-gate return (p);
158*7c478bd9Sstevel@tonic-gate }
159*7c478bd9Sstevel@tonic-gate
160*7c478bd9Sstevel@tonic-gate void
__cpc_strhash_free(cpc_strhash_t * hash)161*7c478bd9Sstevel@tonic-gate __cpc_strhash_free(cpc_strhash_t *hash)
162*7c478bd9Sstevel@tonic-gate {
163*7c478bd9Sstevel@tonic-gate cpc_strhash_t *p = hash, *f;
164*7c478bd9Sstevel@tonic-gate
165*7c478bd9Sstevel@tonic-gate while (p != NULL) {
166*7c478bd9Sstevel@tonic-gate f = p;
167*7c478bd9Sstevel@tonic-gate p = p->next;
168*7c478bd9Sstevel@tonic-gate free(f);
169*7c478bd9Sstevel@tonic-gate }
170*7c478bd9Sstevel@tonic-gate }
171*7c478bd9Sstevel@tonic-gate
172*7c478bd9Sstevel@tonic-gate /*
173*7c478bd9Sstevel@tonic-gate * Insert a new key into the hash table.
174*7c478bd9Sstevel@tonic-gate *
175*7c478bd9Sstevel@tonic-gate * Returns 0 if key was unique and insert successful.
176*7c478bd9Sstevel@tonic-gate *
177*7c478bd9Sstevel@tonic-gate * Returns 1 if key was already in table and no insert took place.
178*7c478bd9Sstevel@tonic-gate *
179*7c478bd9Sstevel@tonic-gate * Returns -1 if out of memory.
180*7c478bd9Sstevel@tonic-gate */
181*7c478bd9Sstevel@tonic-gate int
__cpc_strhash_add(cpc_strhash_t * hash,char * key)182*7c478bd9Sstevel@tonic-gate __cpc_strhash_add(cpc_strhash_t *hash, char *key)
183*7c478bd9Sstevel@tonic-gate {
184*7c478bd9Sstevel@tonic-gate cpc_strhash_t *p, *tmp;
185*7c478bd9Sstevel@tonic-gate
186*7c478bd9Sstevel@tonic-gate for (p = hash; p != NULL; p = p->next) {
187*7c478bd9Sstevel@tonic-gate if (strcmp(p->str, key) == 0)
188*7c478bd9Sstevel@tonic-gate return (1);
189*7c478bd9Sstevel@tonic-gate }
190*7c478bd9Sstevel@tonic-gate
191*7c478bd9Sstevel@tonic-gate if ((p = malloc(sizeof (*p))) == NULL)
192*7c478bd9Sstevel@tonic-gate return (-1);
193*7c478bd9Sstevel@tonic-gate
194*7c478bd9Sstevel@tonic-gate p->str = key;
195*7c478bd9Sstevel@tonic-gate tmp = hash->next;
196*7c478bd9Sstevel@tonic-gate hash->next = p;
197*7c478bd9Sstevel@tonic-gate p->next = tmp;
198*7c478bd9Sstevel@tonic-gate /*
199*7c478bd9Sstevel@tonic-gate * The head node's current pointer must stay pointed at the first
200*7c478bd9Sstevel@tonic-gate * real node. We just inserted at the head.
201*7c478bd9Sstevel@tonic-gate */
202*7c478bd9Sstevel@tonic-gate hash->cur = p;
203*7c478bd9Sstevel@tonic-gate
204*7c478bd9Sstevel@tonic-gate return (0);
205*7c478bd9Sstevel@tonic-gate }
206*7c478bd9Sstevel@tonic-gate
207*7c478bd9Sstevel@tonic-gate char *
__cpc_strhash_next(cpc_strhash_t * hash)208*7c478bd9Sstevel@tonic-gate __cpc_strhash_next(cpc_strhash_t *hash)
209*7c478bd9Sstevel@tonic-gate {
210*7c478bd9Sstevel@tonic-gate cpc_strhash_t *p;
211*7c478bd9Sstevel@tonic-gate
212*7c478bd9Sstevel@tonic-gate if (hash->cur != NULL) {
213*7c478bd9Sstevel@tonic-gate p = hash->cur;
214*7c478bd9Sstevel@tonic-gate hash->cur = hash->cur->next;
215*7c478bd9Sstevel@tonic-gate return (p->str);
216*7c478bd9Sstevel@tonic-gate }
217*7c478bd9Sstevel@tonic-gate
218*7c478bd9Sstevel@tonic-gate return (NULL);
219*7c478bd9Sstevel@tonic-gate }
220