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 =============================*/
56using std::endl;
57using std::string;
58using std::stringstream;
59
60/*=========================== Class Implementations ==========================*/
61/*------------------------------- ZfsdException ------------------------------*/
62ZfsdException::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
74ZfsdException::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
86ZfsdException::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
98void
99ZfsdException::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