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/byteorder.h>
40 #include <sys/fs/zfs.h>
41
42 #include <syslog.h>
43
44 #include <string>
45 #include <list>
46 #include <sstream>
47
48 #include <devdctl/exception.h>
49 #include <devdctl/guid.h>
50
51 #include <libzfs.h>
52
53 #include "vdev.h"
54 #include "zfsd_exception.h"
55 /*============================ Namespace Control =============================*/
56 using std::endl;
57 using std::string;
58 using std::stringstream;
59
60 /*=========================== Class Implementations ==========================*/
61 /*------------------------------- ZfsdException ------------------------------*/
ZfsdException(const char * fmt,...)62 ZfsdException::ZfsdException(const char *fmt, ...)
63 : DevdCtl::Exception(),
64 m_poolConfig(NULL),
65 m_vdevConfig(NULL)
66 {
67 va_list ap;
68
69 va_start(ap, fmt);
70 FormatLog(fmt, ap);
71 va_end(ap);
72 }
73
ZfsdException(zpool_handle_t * pool,const char * fmt,...)74 ZfsdException::ZfsdException(zpool_handle_t *pool, const char *fmt, ...)
75 : DevdCtl::Exception(),
76 m_poolConfig(zpool_get_config(pool, NULL)),
77 m_vdevConfig(NULL)
78 {
79 va_list ap;
80
81 va_start(ap, fmt);
82 FormatLog(fmt, ap);
83 va_end(ap);
84 }
85
ZfsdException(nvlist_t * poolConfig,const char * fmt,...)86 ZfsdException::ZfsdException(nvlist_t *poolConfig, const char *fmt, ...)
87 : DevdCtl::Exception(),
88 m_poolConfig(poolConfig),
89 m_vdevConfig(NULL)
90 {
91 va_list ap;
92
93 va_start(ap, fmt);
94 FormatLog(fmt, ap);
95 va_end(ap);
96 }
97
98 void
Log() const99 ZfsdException::Log() const
100 {
101 stringstream output;
102
103 if (m_poolConfig != NULL) {
104
105 output << "Pool ";
106
107 const char *poolName;
108 if (nvlist_lookup_string(m_poolConfig, ZPOOL_CONFIG_POOL_NAME,
109 &poolName) == 0)
110 output << poolName;
111 else
112 output << "Unknown";
113 output << ": ";
114 }
115
116 if (m_vdevConfig != NULL) {
117
118 if (m_poolConfig != NULL) {
119 Vdev vdev(m_poolConfig, m_vdevConfig);
120
121 output << "Vdev " << vdev.GUID() << ": ";
122 } else {
123 Vdev vdev(m_vdevConfig);
124
125 output << "Pool " << vdev.PoolGUID() << ": ";
126 output << "Vdev " << vdev.GUID() << ": ";
127 }
128 }
129
130 output << m_log << endl;
131 syslog(LOG_ERR, "%s", output.str().c_str());
132 }
133
134