git.m6w6.name Git - awesomized/libmemcached/blob - libtest/fatal.hpp

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   2  *
   3  *  Data Differential YATL (i.e. libtest)  library
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   5  *  Copyright (C) 2012 Data Differential, http://datadifferential.com/
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  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 std::string&, 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); }