git.m6w6.name Git - m6w6/libmemcached/blob - 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 "libtest/yatlcon.h"
  38 #include <libtest/common.h>
  39 #include <cstdarg>
  40
  41 namespace libtest {
  42
  43 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
  44
  45 fatal::fatal(const char *file_arg, int line_arg, const char *func_arg, ...) :
  46   __test_result(file_arg, line_arg, func_arg),
  47   _error_message(NULL),
  48   _error_message_size(0)
  49 {
  50   va_list args;
  51   va_start(args, func_arg);
  52   const char *format= va_arg(args, const char *);
  53   _error_message_size= vasprintf(&_error_message, format, args);
  54   assert(_error_message_size != -1);
  55   if (_error_message_size > 0)
  56   {
  57     _error_message_size++;
  58   }
  59   va_end(args);
  60 }
  61
  62 fatal::fatal( const fatal& other ) :
  63   __test_result(other),
  64   _error_message_size(other._error_message_size)
  65 {
  66   _error_message= (char*) malloc(_error_message_size);
  67   if (_error_message)
  68   {
  69     memcpy(_error_message, other._error_message, _error_message_size);
  70   }
  71   else
  72   {
  73     _error_message_size= -1;
  74   }
  75 }
  76
  77 fatal::~fatal() throw()
  78 {
  79   if ((_error_message_size > 0) and _error_message)
  80   {
  81     free(_error_message);
  82     _error_message= NULL;
  83   }
  84 }
  85
  86 static bool _disabled= false;
  87 static uint32_t _counter= 0;
  88
  89 bool fatal::is_disabled()
  90 {
  91   return _disabled;
  92 }
  93
  94 void fatal::disable()
  95 {
  96   _counter= 0;
  97   _disabled= true;
  98 }
  99
 100 void fatal::enable()
 101 {
 102   _counter= 0;
 103   _disabled= false;
 104 }
 105
 106 uint32_t fatal::disabled_counter()
 107 {
 108   return _counter;
 109 }
 110
 111 void fatal::increment_disabled_counter()
 112 {
 113   _counter++;
 114 }
 115
 116 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
 117 disconnected::disconnected(const char *file_arg, int line_arg, const char *func_arg,
 118                            const std::string& instance, const in_port_t port, ...) :
 119   std::runtime_error(func_arg),
 120   _port(port),
 121   _line(line_arg),
 122   _file(file_arg),
 123   _func(func_arg)
 124 {
 125   va_list args;
 126   va_start(args, port);
 127   const char *format= va_arg(args, const char *);
 128   char last_error[BUFSIZ];
 129   (void)vsnprintf(last_error, sizeof(last_error), format, args);
 130   va_end(args);
 131
 132   snprintf(_error_message, sizeof(_error_message), "%s:%u %s", instance.c_str(), uint32_t(port), last_error);
 133 }
 134
 135 } // namespace libtest