1 /*-
2 * Copyright (c) 2011, 2012, 2013 Spectra Logic Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * substantially similar to the "NO WARRANTY" disclaimer below
13 * ("Disclaimer") and any redistribution must be conditioned upon
14 * including a substantially similar Disclaimer requirement for further
15 * binary redistribution.
16 *
17 * NO WARRANTY
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGES.
29 *
30 * Authors: Justin T. Gibbs (Spectra Logic Corporation)
31 */
32
33 /**
34 * \file zfsd_exception
35 *
36 * Implementation of the ZfsdException class.
37 */
38 #include <sys/cdefs.h>
39 #include <sys/fs/zfs.h>
40
41 #include <syslog.h>
42
43 #include <string>
44 #include <list>
45 #include <sstream>
46
47 #include <devdctl/exception.h>
48 #include <devdctl/guid.h>
49
50 #include <libzfs.h>
51
52 #include "vdev.h"
53 #include "zfsd_exception.h"
54
55 __FBSDID("$FreeBSD: stable/12/cddl/usr.sbin/zfsd/zfsd_exception.cc 300906 2016-05-28 17:43:40Z asomers $");
56 /*============================ Namespace Control =============================*/
57 using std::endl;
58 using std::string;
59 using std::stringstream;
60
61 /*=========================== Class Implementations ==========================*/
62 /*------------------------------- ZfsdException ------------------------------*/
ZfsdException(const char * fmt,...)63 ZfsdException::ZfsdException(const char *fmt, ...)
64 : DevdCtl::Exception(),
65 m_poolConfig(NULL),
66 m_vdevConfig(NULL)
67 {
68 va_list ap;
69
70 va_start(ap, fmt);
71 FormatLog(fmt, ap);
72 va_end(ap);
73 }
74
ZfsdException(zpool_handle_t * pool,const char * fmt,...)75 ZfsdException::ZfsdException(zpool_handle_t *pool, const char *fmt, ...)
76 : DevdCtl::Exception(),
77 m_poolConfig(zpool_get_config(pool, NULL)),
78 m_vdevConfig(NULL)
79 {
80 va_list ap;
81
82 va_start(ap, fmt);
83 FormatLog(fmt, ap);
84 va_end(ap);
85 }
86
ZfsdException(nvlist_t * poolConfig,const char * fmt,...)87 ZfsdException::ZfsdException(nvlist_t *poolConfig, const char *fmt, ...)
88 : DevdCtl::Exception(),
89 m_poolConfig(poolConfig),
90 m_vdevConfig(NULL)
91 {
92 va_list ap;
93
94 va_start(ap, fmt);
95 FormatLog(fmt, ap);
96 va_end(ap);
97 }
98
99 void
Log() const100 ZfsdException::Log() const
101 {
102 stringstream output;
103
104 if (m_poolConfig != NULL) {
105
106 output << "Pool ";
107
108 char *poolName;
109 if (nvlist_lookup_string(m_poolConfig, ZPOOL_CONFIG_POOL_NAME,
110 &poolName) == 0)
111 output << poolName;
112 else
113 output << "Unknown";
114 output << ": ";
115 }
116
117 if (m_vdevConfig != NULL) {
118
119 if (m_poolConfig != NULL) {
120 Vdev vdev(m_poolConfig, m_vdevConfig);
121
122 output << "Vdev " << vdev.GUID() << ": ";
123 } else {
124 Vdev vdev(m_vdevConfig);
125
126 output << "Pool " << vdev.PoolGUID() << ": ";
127 output << "Vdev " << vdev.GUID() << ": ";
128 }
129 }
130
131 output << m_log << endl;
132 syslog(LOG_ERR, "%s", output.str().c_str());
133 }
134
135