xref: /titanic_51/usr/src/cmd/fm/fmdump/common/nvlrender.c (revision 7014882c6a3672fd0e5d60200af8643ae53c5928)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 /*
26  * Rendering functions for nvlist_prt that are of use to all types
27  * of log.
28  */
29 
30 #include <fmdump.h>
31 #include <stdio.h>
32 #include <strings.h>
33 
34 extern topo_hdl_t *fmd_fmri_topo_hold(int);
35 
36 /*
37  * Can be appointed to be called for dumping all nvlist members of
38  * an nvlist we ask to print with nvlist_prt.  Return 0 if the
39  * nvlist is not recognized as an fmri, and default formatting
40  * will be applied; otherwise format as an fmri string and return 1.
41  */
42 
43 /*ARGSUSED*/
44 int
45 fmdump_render_nvlist(nvlist_prtctl_t pctl, void *private, nvlist_t *nvl,
46     const char *name, nvlist_t *fmri)
47 {
48 	topo_hdl_t *thp = fmd_fmri_topo_hold(TOPO_VERSION);
49 	FILE *fp = nvlist_prtctl_getdest(pctl);
50 	char *class, *fmristr = NULL;
51 	uint8_t version;
52 	int err;
53 
54 	if (nvlist_lookup_string(fmri, FM_FMRI_SCHEME, &class) != 0 ||
55 	    nvlist_lookup_uint8(fmri, FM_VERSION, &version) != 0)
56 		return (0);
57 
58 	/*
59 	 * Instead of hardcoding known FMRI classes here we'll try
60 	 * topo_fmri_nvl2str which should fail gracefully for invalid
61 	 * schemes (ie an nvlist that just happens to have the expected
62 	 * class and version members but that isn't an FMRI).
63 	 */
64 	if (topo_fmri_nvl2str(thp, fmri, &fmristr, &err) != 0 ||
65 	    fmristr == NULL)
66 		return (0);
67 
68 	nvlist_prtctl_doindent(pctl, 1);
69 	nvlist_prtctl_dofmt(pctl, NVLIST_FMT_MEMBER_NAME, name);
70 	(void) fprintf(fp, "%s", fmristr);
71 	topo_hdl_strfree(thp, fmristr);
72 
73 	return (1);
74 }
75