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 <config.h>
  38 #include <libtest/common.h>
  39 #include <cstdarg>
  40
  41 namespace libtest {
  42
  43 fatal::fatal(const char *file, int line, const char *func, const char *format, ...) :
  44   std::runtime_error(func)
  45   {
  46     va_list args;
  47     va_start(args, format);
  48     char last_error[BUFSIZ];
  49     (void)vsnprintf(last_error, sizeof(last_error), format, args);
  50     va_end(args);
  51
  52     snprintf(_error_message, sizeof(_error_message), "%s:%d FATAL:%s (%s)", file, int(line), last_error, func);
  53   }
  54
  55 static bool _disabled= false;
  56 static uint32_t _counter= 0;
  57
  58 bool fatal::is_disabled()
  59 {
  60   return _disabled;
  61 }
  62
  63 void fatal::disable()
  64 {
  65   _disabled= true;
  66 }
  67
  68 void fatal::enable()
  69 {
  70   _disabled= false;
  71 }
  72
  73 uint32_t fatal::disabled_counter()
  74 {
  75   return _counter;
  76 }
  77
  78 void fatal::increment_disabled_counter()
  79 {
  80   _counter++;
  81 }
  82
  83 disconnected::disconnected(const char *file, int line, const char *func, const char *instance, const in_port_t port, const char *format, ...) :
  84   _port(port),
  85   std::runtime_error(func)
  86 {
  87   strncpy(_instance, instance, sizeof(_instance));
  88   va_list args;
  89   va_start(args, format);
  90   char last_error[BUFSIZ];
  91   (void)vsnprintf(last_error, sizeof(last_error), format, args);
  92   va_end(args);
  93
  94   snprintf(_error_message, sizeof(_error_message), "%s:%d FATAL:%s (%s)", file, int(line), last_error, func);
  95 }
  96
  97 } // namespace libtest
  98