Merge up to gearmand.
[m6w6/libmemcached] / libtest / fatal.hpp
1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
2 *
3 * Data Differential YATL (i.e. libtest) library
4 *
5 * Copyright (C) 2012 Data Differential, http://datadifferential.com/
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met:
10 *
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * * Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following disclaimer
16 * in the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * * The names of its contributors may not be used to endorse or
20 * promote products derived from this software without specific prior
21 * written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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35 */
36
37 #pragma once
38
39 #include <stdexcept>
40
41 #ifndef __PRETTY_FUNCTION__
42 #define __PRETTY_FUNCTION__ __func__
43 #endif
44
45 #define YATL_STRINGIFY(x) #x
46 #define YATL_TOSTRING(x) YATL_STRINGIFY(x)
47 #define YATL_AT __FILE__ ":" YATL_TOSTRING(__LINE__)
48 #define YATL_AT_PARAM __func__, AT
49 #define YATL_UNIQUE __FILE__ ":" YATL_TOSTRING(__LINE__) "_unique"
50 #define YATL_UNIQUE_FUNC_NAME __FILE__ ":" YATL_TOSTRING(__LINE__) "_unique_func"
51
52 #define LIBYATL_DEFAULT_PARAM __FILE__, __LINE__, __PRETTY_FUNCTION__
53
54 namespace libtest {
55
56 class fatal : std::runtime_error
57 {
58 public:
59 fatal(const char *file, int line, const char *func, const char *format, ...);
60
61 const char* what() const throw()
62 {
63 return _error_message;
64 }
65
66 const char* mesg() const throw()
67 {
68 return _error_message;
69 }
70
71 // The following are just for unittesting the exception class
72 static bool is_disabled();
73 static void disable();
74 static void enable();
75 static uint32_t disabled_counter();
76 static void increment_disabled_counter();
77
78 int line()
79 {
80 return _line;
81 }
82
83 const char* file()
84 {
85 return _file;
86 }
87
88 const char* func()
89 {
90 return _func;
91 }
92
93 private:
94 char _error_message[BUFSIZ];
95 char _mesg[BUFSIZ];
96 int _line;
97 const char* _file;
98 const char* _func;
99 };
100
101 class disconnected : std::runtime_error
102 {
103 public:
104 disconnected(const char *file, int line, const char *func, const char *instance, const in_port_t port, const char *format, ...);
105
106 const char* what() const throw()
107 {
108 return _error_message;
109 }
110
111 // The following are just for unittesting the exception class
112 static bool is_disabled();
113 static void disable();
114 static void enable();
115 static uint32_t disabled_counter();
116 static void increment_disabled_counter();
117
118 int line()
119 {
120 return _line;
121 }
122
123 const char* file()
124 {
125 return _file;
126 }
127
128 const char* func()
129 {
130 return _func;
131 }
132
133 private:
134 char _error_message[BUFSIZ];
135 in_port_t _port;
136 char _instance[1024];
137 int _line;
138 const char* _file;
139 const char* _func;
140 };
141
142
143 } // namespace libtest
144
145 #define fatal_message(__mesg) throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "%s", __mesg)
146 #define fatal_assert(__assert) if((__assert)) {} else { throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "%s", #__assert); }