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 ------------------------------*/ 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 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 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 99 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