1 /*- 2 * Copyright (c) 2011, 2012, 2013, 2014 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 exception.cc 35 */ 36 #include <sys/cdefs.h> 37 38 #include <syslog.h> 39 40 #include <cstdio> 41 #include <cstdarg> 42 #include <sstream> 43 #include <string> 44 45 #include "exception.h" 46 47 __FBSDID("$FreeBSD$"); 48 49 /*============================ Namespace Control =============================*/ 50 using std::string; 51 using std::stringstream; 52 using std::endl; 53 namespace DevdCtl 54 { 55 56 /*=========================== Class Implementations ==========================*/ 57 /*--------------------------------- Exception --------------------------------*/ 58 void 59 Exception::FormatLog(const char *fmt, va_list ap) 60 { 61 char buf[256]; 62 63 vsnprintf(buf, sizeof(buf), fmt, ap); 64 m_log = buf; 65 } 66 67 Exception::Exception(const char *fmt, ...) 68 { 69 va_list ap; 70 71 va_start(ap, fmt); 72 FormatLog(fmt, ap); 73 va_end(ap); 74 } 75 76 Exception::Exception() 77 { 78 } 79 80 void 81 Exception::Log() const 82 { 83 syslog(LOG_ERR, "%s", m_log.c_str()); 84 } 85 86 /*------------------------------ ParseException ------------------------------*/ 87 //- ParseException Inline Public Methods --------------------------------------- 88 ParseException::ParseException(Type type, const std::string &parsedBuffer, 89 size_t offset) 90 : Exception(), 91 m_type(type), 92 m_parsedBuffer(parsedBuffer), 93 m_offset(offset) 94 { 95 stringstream logstream; 96 97 logstream << "Parsing "; 98 99 switch (Type()) { 100 case INVALID_FORMAT: 101 logstream << "invalid format "; 102 break; 103 case DISCARDED_EVENT_TYPE: 104 logstream << "discarded event "; 105 break; 106 case UNKNOWN_EVENT_TYPE: 107 logstream << "unknown event "; 108 break; 109 default: 110 break; 111 } 112 logstream << "exception on buffer: \'"; 113 if (GetOffset() == 0) { 114 logstream << m_parsedBuffer << '\'' << endl; 115 } else { 116 string markedBuffer(m_parsedBuffer); 117 118 markedBuffer.insert(GetOffset(), "<HERE-->"); 119 logstream << markedBuffer << '\'' << endl; 120 } 121 122 GetString() = logstream.str(); 123 } 124 125 } // namespace DevdCtl 126