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 /*============================ Namespace Control =============================*/
47 using std::string;
48 using std::stringstream;
49 using std::endl;
50 namespace DevdCtl
51 {
52
53 /*=========================== Class Implementations ==========================*/
54 /*--------------------------------- Exception --------------------------------*/
55 void
FormatLog(const char * fmt,va_list ap)56 Exception::FormatLog(const char *fmt, va_list ap)
57 {
58 char buf[256];
59
60 vsnprintf(buf, sizeof(buf), fmt, ap);
61 m_log = buf;
62 }
63
Exception(const char * fmt,...)64 Exception::Exception(const char *fmt, ...)
65 {
66 va_list ap;
67
68 va_start(ap, fmt);
69 FormatLog(fmt, ap);
70 va_end(ap);
71 }
72
Exception()73 Exception::Exception()
74 {
75 }
76
77 void
Log() const78 Exception::Log() const
79 {
80 syslog(LOG_ERR, "%s", m_log.c_str());
81 }
82
83 /*------------------------------ ParseException ------------------------------*/
84 //- ParseException Inline Public Methods ---------------------------------------
ParseException(Type type,const std::string & parsedBuffer,size_t offset)85 ParseException::ParseException(Type type, const std::string &parsedBuffer,
86 size_t offset)
87 : Exception(),
88 m_type(type),
89 m_parsedBuffer(parsedBuffer),
90 m_offset(offset)
91 {
92 stringstream logstream;
93
94 logstream << "Parsing ";
95
96 switch (Type()) {
97 case INVALID_FORMAT:
98 logstream << "invalid format ";
99 break;
100 case DISCARDED_EVENT_TYPE:
101 logstream << "discarded event ";
102 break;
103 case UNKNOWN_EVENT_TYPE:
104 logstream << "unknown event ";
105 break;
106 default:
107 break;
108 }
109 logstream << "exception on buffer: \'";
110 if (GetOffset() == 0) {
111 logstream << m_parsedBuffer << '\'' << endl;
112 } else {
113 string markedBuffer(m_parsedBuffer);
114
115 markedBuffer.insert(GetOffset(), "<HERE-->");
116 logstream << markedBuffer << '\'' << endl;
117 }
118
119 GetString() = logstream.str();
120 }
121
122 } // namespace DevdCtl
123