OPeNDAP Hyrax Back End Server (BES) Updated for version 3.8.3
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00001 // TheBESKeys.cc 00002 00003 // This file is part of bes, A C++ back-end server implementation framework 00004 // for the OPeNDAP Data Access Protocol. 00005 00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research 00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu> 00008 // 00009 // This library is free software; you can redistribute it and/or 00010 // modify it under the terms of the GNU Lesser General Public 00011 // License as published by the Free Software Foundation; either 00012 // version 2.1 of the License, or (at your option) any later version. 00013 // 00014 // This library is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 // Lesser General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU Lesser General Public 00020 // License along with this library; if not, write to the Free Software 00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 // 00023 // You can contact University Corporation for Atmospheric Research at 00024 // 3080 Center Green Drive, Boulder, CO 80301 00025 00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005 00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR. 00028 // 00029 // Authors: 00030 // pwest Patrick West <pwest@ucar.edu> 00031 // jgarcia Jose Garcia <jgarcia@ucar.edu> 00032 00033 #include "config.h" 00034 00035 #include <sys/stat.h> 00036 #include <cstdlib> 00037 00038 #include "TheBESKeys.h" 00039 #include "BESInternalFatalError.h" 00040 00041 #define BES_CONF getenv("BES_CONF") 00042 00043 BESKeys *TheBESKeys::_instance = 0; 00044 string TheBESKeys::ConfigFile = ""; 00045 00046 BESKeys *TheBESKeys::TheKeys() 00047 { 00048 if (_instance == 0) { 00049 string use_ini = TheBESKeys::ConfigFile; 00050 if (use_ini == "") { 00051 char *ini_file = BES_CONF; 00052 if (!ini_file) 00053 { 00054 string try_ini = "/usr/local/etc/bes/bes.conf" ; 00055 struct stat buf; 00056 int statret = stat( try_ini.c_str(), &buf ) ; 00057 if ( statret == -1 || !S_ISREG( buf.st_mode ) ) 00058 { 00059 try_ini = "/etc/bes/bes.conf" ; 00060 int statret = stat( try_ini.c_str(), &buf ) ; 00061 if ( statret == -1 || !S_ISREG( buf.st_mode ) ) 00062 { 00063 try_ini = "/usr/etc/bes/bes.conf" ; 00064 int statret = stat( try_ini.c_str(), &buf ) ; 00065 if ( statret == -1 || !S_ISREG( buf.st_mode ) ) 00066 { 00067 string s = (string)"Unable to locate BES config file. " 00068 + "Please either pass -c " 00069 + "option when starting the BES, set " 00070 + "the environment variable BES_CONF, " 00071 + "or install in /usr/local/etc/bes/bes.conf " 00072 + "or /etc/bes/bes.conf." ; 00073 throw BESInternalFatalError(s, __FILE__, __LINE__); 00074 } 00075 else 00076 { 00077 use_ini = try_ini ; 00078 } 00079 } 00080 else 00081 { 00082 use_ini = try_ini ; 00083 } 00084 } 00085 else 00086 { 00087 use_ini = try_ini ; 00088 } 00089 } else { 00090 use_ini = ini_file; 00091 } 00092 } 00093 _instance = new TheBESKeys(use_ini); 00094 } 00095 return _instance; 00096 } 00097