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 <stdlib.h>\r
  19 \r
  20 #include <sys/types.h>\r
  21 #include <sys/stat.h>\r
  22 \r
  23 #include <msg/msg.h>\r
  24 \r
  25 #ifndef S_ISREG\r
  26         #define S_ISREG(__mode) (((__mode) & S_IFMT) == S_IFREG)\r
  27 #endif\r
  28 \r
  29 namespace SimGrid\r
  30 {\r
  31         namespace Msg\r
  32         {\r
  33                 Environment::Environment()\r
  34                 {\r
  35                         this->file = NULL;\r
  36                         this->loaded = false;\r
  37                 }\r
  38                                 \r
  39                 Environment::Environment(const Environment& rEnvironment)\r
  40                 {\r
  41                         this->file = rEnvironment.getFile();\r
  42                         this->loaded = rEnvironment.isLoaded();\r
  43                 }\r
  44                 \r
  45                 Environment::Environment(const char* file)\r
  46                 throw(NullPointerException, FileNotFoundException)\r
  47                 {\r
  48                         // check parameters\r
  49                         \r
  50                         if(!file)\r
  51                                 throw NullPointerException("file (must not be NULL");\r
  52                         \r
  53                         struct stat statBuf = {0};\r
  54                                 \r
  55                         if(stat(file, &statBuf) < 0 || !S_ISREG(statBuf.st_mode))\r
  56                                 throw FileNotFoundException("file (file not found)");\r
  57                                 \r
  58                         this->file = file;\r
  59                         this->loaded = false;\r
  60                 }\r
  61                 \r
  62                 Environment::~Environment()\r
  63                 {\r
  64                         // NOTHING TODO\r
  65                 }\r
  66                 \r
  67                 // Operations.\r
  68                 \r
  69                 void Environment::load(void)\r
  70                 throw(LogicException)\r
  71                 {\r
  72                         // check logic\r
  73                         \r
  74                         if(this->loaded)\r
  75                                 throw LogicException("environement already loaded");\r
  76                         \r
  77                         // check the parameters\r
  78                         if(!this->file)\r
  79                                 throw LogicException("you must specify the xml file which describe the environment to load\nuse Environment::setFile()"); \r
  80                         \r
  81                         MSG_create_environment(file);\r
  82                         \r
  83                         this->loaded = true;            \r
  84                 }\r
  85                 \r
  86                 void Environment::load(const char* file)\r
  87                 throw(NullPointerException, FileNotFoundException, LogicException)\r
  88                 {\r
  89                         // check logic\r
  90                         \r
  91                         if(this->loaded)\r
  92                                 throw LogicException("environment already loaded");\r
  93                         \r
  94                         // check the parameters\r
  95                                 \r
  96                         if(!file)\r
  97                                 throw NullPointerException("file");\r
  98                         \r
  99                         struct stat statBuf = {0};\r
 100                                 \r
 101                         if(stat(file, &statBuf) < 0 || !S_ISREG(statBuf.st_mode))\r
 102                                 throw FileNotFoundException(file);\r
 103                                         \r
 104                         MSG_create_environment(file);\r
 105                         \r
 106                         this->file = file;\r
 107                         this->loaded = true;    \r
 108                 }\r
 109                 \r
 110                 bool Environment::isLoaded(void) const\r
 111                 {\r
 112                         return this->loaded;\r
 113                 }\r
 114                 \r
 115                 // Getters/setters\r
 116                 void Environment::setFile(const char* file)\r
 117                 throw(NullPointerException, FileNotFoundException, LogicException)\r
 118                 {\r
 119                         // check logic\r
 120                         \r
 121                         if(this->loaded)\r
 122                                 throw LogicException("your are trying to change the file of an already loaded environment");\r
 123                                 \r
 124                         // check parameters\r
 125                         \r
 126                         if(!file)\r
 127                                 throw NullPointerException("file (must not be NULL");\r
 128                         \r
 129                         struct stat statBuf = {0};\r
 130                                 \r
 131                         if(stat(file, &statBuf) < 0 || !S_ISREG(statBuf.st_mode))\r
 132                                 throw FileNotFoundException("file (file not found)");\r
 133                                 \r
 134                         this->file = file;\r
 135                 }\r
 136                 \r
 137                 const char* Environment::getFile(void) const\r
 138                 {\r
 139                         return this->file;\r
 140                 }\r
 141         \r
 142                 \r
 143                 const Environment& Environment::operator = (const Environment& rEnvironment)\r
 144                 throw(LogicException)\r
 145                 {\r
 146                         // check logic\r
 147                         \r
 148                         if(this->loaded)\r
 149                                 throw LogicException("environment already loaded");\r
 150                         \r
 151                         this->file = rEnvironment.getFile();\r
 152                         this->loaded = rEnvironment.isLoaded();\r
 153                         \r
 154                         return *this;\r
 155                 }\r
 156                                 \r
 157         } // namespace Msg\r
 158 } // namespace SimGrid\r
 159 \r