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: releng/11.0/cddl/usr.sbin/zfsd/zfsd_exception.cc 300906 2016-05-28 17:43:40Z asomers $");
56/*============================ Namespace Control =============================*/
57using std::endl;
58using std::string;
59using std::stringstream;
60
61/*=========================== Class Implementations ==========================*/
62/*------------------------------- ZfsdException ------------------------------*/
63ZfsdException::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
75ZfsdException::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
87ZfsdException::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
99void
100ZfsdException::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