1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <errno.h> 30 #include <strings.h> 31 32 #include <cmd_fmri.h> 33 #include <cmd.h> 34 35 void 36 cmd_fmri_init(fmd_hdl_t *hdl, cmd_fmri_t *fmri, nvlist_t *nvl, 37 const char *fmt, ...) 38 { 39 va_list ap; 40 41 va_start(ap, fmt); 42 cmd_vbufname(fmri->fmri_packnm, sizeof (fmri->fmri_packnm), fmt, ap); 43 va_end(ap); 44 45 if ((errno = nvlist_dup(nvl, &fmri->fmri_nvl, 0)) != 0 || 46 (errno = nvlist_size(nvl, &fmri->fmri_packsz, 47 NV_ENCODE_NATIVE)) != 0) 48 fmd_hdl_abort(hdl, "failed to copy fmri for fmri create"); 49 50 fmri->fmri_packbuf = fmd_hdl_alloc(hdl, fmri->fmri_packsz, FMD_SLEEP); 51 52 if ((errno = nvlist_pack(nvl, &fmri->fmri_packbuf, &fmri->fmri_packsz, 53 NV_ENCODE_NATIVE, 0)) != 0) 54 fmd_hdl_abort(hdl, "failed to pack fmri for fmri create"); 55 56 cmd_fmri_write(hdl, fmri); 57 } 58 59 void 60 cmd_fmri_fini(fmd_hdl_t *hdl, cmd_fmri_t *fmri, int destroy) 61 { 62 if (destroy) 63 fmd_buf_destroy(hdl, NULL, fmri->fmri_packnm); 64 65 fmd_hdl_free(hdl, fmri->fmri_packbuf, fmri->fmri_packsz); 66 nvlist_free(fmri->fmri_nvl); 67 } 68 69 void 70 cmd_fmri_restore(fmd_hdl_t *hdl, cmd_fmri_t *fmri) 71 { 72 if (fmd_buf_size(hdl, NULL, fmri->fmri_packnm) == 0) { 73 bzero(fmri, sizeof (cmd_fmri_t)); 74 return; 75 } 76 77 if ((fmri->fmri_packbuf = cmd_buf_read(hdl, NULL, fmri->fmri_packnm, 78 fmri->fmri_packsz)) == NULL) { 79 fmd_hdl_abort(hdl, "failed to read fmri buffer %s", 80 fmri->fmri_packnm); 81 } 82 83 if (nvlist_unpack(fmri->fmri_packbuf, fmri->fmri_packsz, 84 &fmri->fmri_nvl, 0) != 0) { 85 fmd_hdl_abort(hdl, "failed to unpack fmri buffer %s\n", 86 fmri->fmri_packnm); 87 } 88 } 89 90 void 91 cmd_fmri_write(fmd_hdl_t *hdl, cmd_fmri_t *fmri) 92 { 93 size_t sz; 94 95 if ((sz = fmd_buf_size(hdl, NULL, fmri->fmri_packnm)) != 96 fmri->fmri_packsz && sz != 0) 97 fmd_buf_destroy(hdl, NULL, fmri->fmri_packnm); 98 99 fmd_buf_write(hdl, NULL, fmri->fmri_packnm, fmri->fmri_packbuf, 100 fmri->fmri_packsz); 101 } 102