src/cxx/Environment.cxx

   1 /*\r
   2  * Environment.cxx\r
   3  *\r
   4  * Copyright 2006,2007 Martin Quinson, Malek Cherier           \r
   5  * All right reserved. \r
   6  *\r
   7  * This program is free software; you can redistribute \r
   8  * it and/or modify it under the terms of the license \r
   9  *(GNU LGPL) which comes with this package. \r
  10  *\r
  11  */\r
  12  \r
  13  /* Environment member functions implementation.\r
  14   */  \r
  15   \r
  16 #include <Environment.hpp>\r
  17 \r
  18 #include <sys/types.h>\r
  19 #include <sys/stat.h>\r
  20 \r
  21 #ifndef S_ISREG\r
  22         #define S_ISREG(__mode) (((__mode) & S_IFMT) == S_IFREG)\r
  23 #endif\r
  24 \r
  25 namespace SimGrid\r
  26 {\r
  27         namespace Msg\r
  28         {\r
  29                 Environment::Environment()\r
  30                 {\r
  31                         this->file = NULL;\r
  32                         this->loaded = false;\r
  33                 }\r
  34                                 \r
  35                 Environment::Environment(const Environment& rEnvironment);\r
  36                 {\r
  37                         this->file = rEnvironment.getFile();\r
  38                         this->loaded = rEnvironment.isLoaded();\r
  39                 }\r
  40                 \r
  41                 Environment::Environment(const char* file)\r
  42                 throw(NullPointerException, InvalidArgumentException);\r
  43                 {\r
  44                         // check parameters\r
  45                         \r
  46                         if(!file)\r
  47                                 throw NullPointerException("file (must not be NULL");\r
  48                         \r
  49                         struct stat statBuf = {0};\r
  50                                 \r
  51                         if(stat(statBuff, &info) < 0 || !S_ISREG(statBuff.st_mode))\r
  52                                 throw InvalidParameterException("file (file not found)");\r
  53                                 \r
  54                         this->file = file;\r
  55                         this->loaded = false;\r
  56                 }\r
  57                 \r
  58                 Environment::~Environment()\r
  59                 {\r
  60                         // NOTHING TODO\r
  61                 }\r
  62                 \r
  63                 // Operations.\r
  64                 \r
  65                 void Environment::load(void)\r
  66                 throw(LogicException)\r
  67                 {\r
  68                         // check logic\r
  69                         \r
  70                         if(this->loaded)\r
  71                                 throw LogicException("environement already loaded");\r
  72                         \r
  73                         // check the parameters\r
  74                         if(!this->file)\r
  75                                 throw LogicException("you must specify the xml file which describe the environment to load\nuse Environment::setFile()"); \r
  76                         \r
  77                         MSG_create_environment(file);\r
  78                         \r
  79                         this->loaded = true;            \r
  80                 }\r
  81                 \r
  82                 void Environment::load(const char* file)\r
  83                 throw(NullPointerException, FileNotFoundException, LogicException)\r
  84                 {\r
  85                         // check logic\r
  86                         \r
  87                         if(this->loaded)\r
  88                                 throw LogicException("environment already loaded");\r
  89                         \r
  90                         // check the parameters\r
  91                                 \r
  92                         if(!file)\r
  93                                 throw NullPointerException("file");\r
  94                         \r
  95                         struct stat statBuf = {0};\r
  96                                 \r
  97                         if(stat(statBuff, &info) < 0 || !S_ISREG(statBuff.st_mode))\r
  98                                 throw FileNotFoundException(file);\r
  99                                         \r
 100                         MSG_create_environment(file);\r
 101                         \r
 102                         this->file = file;\r
 103                         this->loaded = true;    \r
 104                 }\r
 105                 \r
 106                 bool Environment::isLoaded(void) const\r
 107                 {\r
 108                         return this->loaded;\r
 109                 }\r
 110                 \r
 111                 // Getters/setters\r
 112                 void Environment::setFile(const char* file)\r
 113                 throw(NullPointerException, FileNotFoundException, LogicException)\r
 114                 {\r
 115                         // check logic\r
 116                         \r
 117                         if(this->loaded)\r
 118                                 throw LogicException("your are trying to change the file of an already loaded environment");\r
 119                                 \r
 120                         // check parameters\r
 121                         \r
 122                         if(!file)\r
 123                                 throw NullPointerException("file (must not be NULL");\r
 124                         \r
 125                         struct stat statBuf = {0};\r
 126                                 \r
 127                         if(stat(statBuff, &info) < 0 || !S_ISREG(statBuff.st_mode))\r
 128                                 throw FileNotFoundException("file (file not found)");\r
 129                                 \r
 130                         this->file = file;\r
 131                 }\r
 132                 \r
 133                 const char* Environment::getFile(void) const\r
 134                 {\r
 135                         return this->file;\r
 136                 }\r
 137         \r
 138                 \r
 139                 const Environment& Environment::operator = (const Environment& rEnvironment)\r
 140                 throw(LogicException)\r
 141                 {\r
 142                         // check logic\r
 143                         \r
 144                         if(this->loaded)\r
 145                                 throw LogicException("environment already loaded");\r
 146                         \r
 147                         this->file = rEnvironment.getFile();\r
 148                         this->loaded = rEnvironment.isLoaded();\r
 149                         \r
 150                         return *this;\r
 151                 }\r
 152                                 \r
 153         } // namespace Msg\r
 154 } // namespace SimGrid