git.m6w6.name Git - awesomized/libmemcached/blob - libtest/exception/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,
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  31  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  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 "libtest/exception.hpp"
  40 #include <cstdarg>
  41
  42 namespace libtest {
  43
  44 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
  45
  46 fatal::fatal(const char *file_arg, int line_arg, const char *func_arg, ...) :
  47   libtest::exception(file_arg, line_arg, func_arg)
  48 {
  49   va_list args;
  50   va_start(args, func_arg);
  51   init(args);
  52   va_end(args);
  53 }
  54
  55 fatal::fatal( const fatal& other ) :
  56   libtest::exception(other)
  57 {
  58 }
  59
  60 static bool _disabled= false;
  61 static uint32_t _counter= 0;
  62
  63 bool fatal::is_disabled() throw()
  64 {
  65   return _disabled;
  66 }
  67
  68 void fatal::disable() throw()
  69 {
  70   _counter= 0;
  71   _disabled= true;
  72 }
  73
  74 void fatal::enable() throw()
  75 {
  76   _counter= 0;
  77   _disabled= false;
  78 }
  79
  80 uint32_t fatal::disabled_counter() throw()
  81 {
  82   return _counter;
  83 }
  84
  85 void fatal::increment_disabled_counter() throw()
  86 {
  87   _counter++;
  88 }
  89
  90 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
  91 disconnected::disconnected(const char *file_arg, int line_arg, const char *func_arg,
  92                            const std::string& instance, const unsigned port, ...) :
  93   libtest::exception(file_arg, line_arg, func_arg),
  94   _port(port)
  95 {
  96   va_list args;
  97   va_start(args, port);
  98   const char *format= va_arg(args, const char *);
  99   char last_error[BUFSIZ];
 100   (void)vsnprintf(last_error, sizeof(last_error), format, args);
 101   va_end(args);
 102
 103   char buffer_error[BUFSIZ];
 104   int error_length= snprintf(buffer_error, sizeof(buffer_error), "%s:%u %s", instance.c_str(), uint32_t(port), last_error);
 105
 106   if (error_length > 0)
 107   {
 108     what(size_t(error_length), buffer_error);
 109   }
 110 }
 111
 112 disconnected::disconnected(const disconnected& other):
 113   libtest::exception(other),
 114   _port(other._port)
 115 {
 116   strncpy(_instance, other._instance, BUFSIZ);
 117 }
 118
 119 } // namespace libtest