9517f778d23ab7587876eaf897b2d4183ccd599e
[awesomized/libmemcached] / libtest / fatal.cc
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,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 */
36
37 #include <config.h>
38 #include <libtest/common.h>
39 #include <cstdarg>
40
41 namespace libtest {
42
43 exception::exception(const char *file_, int line_, const char *func_) :
44 std::runtime_error(func_),
45 _file(file_),
46 _line(line_),
47 _func(func_)
48 {
49 }
50
51 fatal::fatal(const char *file_, int line_, const char *func_, const char *format, ...) :
52 exception(file_, line_, func_)
53 {
54 va_list args;
55 va_start(args, format);
56 char last_error[BUFSIZ];
57 int last_error_length= vsnprintf(last_error, sizeof(last_error), format, args);
58 va_end(args);
59
60 snprintf(_error_message, sizeof(_error_message), "%.*s", last_error_length, last_error);
61 }
62
63 static bool _disabled= false;
64 static uint32_t _counter= 0;
65
66 bool fatal::is_disabled()
67 {
68 return _disabled;
69 }
70
71 void fatal::disable()
72 {
73 _disabled= true;
74 }
75
76 void fatal::enable()
77 {
78 _disabled= false;
79 }
80
81 uint32_t fatal::disabled_counter()
82 {
83 return _counter;
84 }
85
86 void fatal::increment_disabled_counter()
87 {
88 _counter++;
89 }
90
91 disconnected::disconnected(const char *file_, int line_, const char *func_,
92 const std::string& instance, const in_port_t port,
93 const char *format, ...) :
94 exception(file_, line_, func_),
95 _port(port)
96 {
97 va_list args;
98 va_start(args, format);
99 char last_error[BUFSIZ];
100 (void)vsnprintf(last_error, sizeof(last_error), format, args);
101 va_end(args);
102
103 snprintf(_error_message, sizeof(_error_message), "%s:%u %s", instance.c_str(), uint32_t(port), last_error);
104 }
105
106 start::start(const char *file_, int line_, const char *func_,
107 const std::string& instance, const in_port_t port,
108 const char *format, ...) :
109 exception(file_, line_, func_),
110 _port(port)
111 {
112 va_list args;
113 va_start(args, format);
114 char last_error[BUFSIZ];
115 (void)vsnprintf(last_error, sizeof(last_error), format, args);
116 va_end(args);
117
118 snprintf(_error_message, sizeof(_error_message), "%s:%u %s", instance.c_str(), uint32_t(port), last_error);
119 }
120
121 } // namespace libtest
122