OPeNDAP Hyrax Back End Server (BES) Updated for version 3.8.3
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00001 // BESDebug.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 <time.h> 00036 00037 #include <fstream> 00038 #include <iostream> 00039 #include <sstream> 00040 00041 using std::ofstream ; 00042 using std::ios ; 00043 using std::cout ; 00044 using std::endl ; 00045 using std::ostringstream ; 00046 00047 #include "BESDebug.h" 00048 #include "BESInternalError.h" 00049 00050 ostream *BESDebug::_debug_strm = NULL ; 00051 bool BESDebug::_debug_strm_created = false ; 00052 map<string,bool> BESDebug::_debug_map ; 00053 00066 void 00067 BESDebug::SetUp( const string &values ) 00068 { 00069 if( values.empty() ) 00070 { 00071 string err = "Empty debug options" ; 00072 throw BESInternalError( err, __FILE__, __LINE__ ) ; 00073 } 00074 string::size_type comma = 0 ; 00075 comma = values.find( ',' ) ; 00076 if( comma == string::npos ) 00077 { 00078 string err = "Missing comma in debug options: " + values ; 00079 throw BESInternalError( err, __FILE__, __LINE__ ) ; 00080 } 00081 ostream *strm = 0 ; 00082 bool created = false ; 00083 string s_strm = values.substr( 0, comma ) ; 00084 if( s_strm == "cerr" ) 00085 { 00086 strm = &cerr ; 00087 } 00088 else 00089 { 00090 strm = new ofstream( s_strm.c_str(), ios::out ) ; 00091 if( strm && !(*strm) ) 00092 { 00093 delete strm ; 00094 strm = 0 ; 00095 string err = "Unable to open the debug file: " + s_strm ; 00096 throw BESInternalError( err, __FILE__, __LINE__ ) ; 00097 } 00098 created = true ; 00099 } 00100 00101 BESDebug::SetStrm( strm, created ) ; 00102 00103 string::size_type new_comma = 0 ; 00104 while( ( new_comma = values.find( ',', comma+1 ) ) != string::npos ) 00105 { 00106 string flagName = values.substr( comma+1, new_comma-comma-1 ) ; 00107 if( flagName[0] == '-' ) 00108 { 00109 string newflag = flagName.substr( 1, flagName.length() - 1 ) ; 00110 BESDebug::Set( newflag, false ) ; 00111 } 00112 else 00113 { 00114 BESDebug::Set( flagName, true ) ; 00115 } 00116 comma = new_comma ; 00117 } 00118 string flagName = values.substr( comma+1, values.length()-comma-1 ) ; 00119 if( flagName[0] == '-' ) 00120 { 00121 string newflag = flagName.substr( 1, flagName.length() - 1 ) ; 00122 BESDebug::Set( newflag, false ) ; 00123 } 00124 else 00125 { 00126 BESDebug::Set( flagName, true ) ; 00127 } 00128 } 00129 00134 string 00135 BESDebug::GetPidStr() 00136 { 00137 ostringstream strm ; 00138 const time_t sctime = time( NULL ) ; 00139 const struct tm *sttime = localtime( &sctime ) ; 00140 char zone_name[10] ; 00141 strftime( zone_name, sizeof( zone_name ), "%Z", sttime ) ; 00142 char *b = asctime( sttime ) ; 00143 strm << zone_name << " " ; 00144 for( register int j = 0; b[j] != '\n'; j++ ) 00145 strm << b[j] ; 00146 pid_t thepid = getpid() ; 00147 strm << " id: " << thepid ; 00148 return strm.str() ; 00149 } 00150 00159 void 00160 BESDebug::Help( ostream &strm ) 00161 { 00162 strm << "Debug help:" << endl 00163 << " Set on the command line with " 00164 << "-d \"file_name|cerr,[-]context1,...,[-]contextn\"" << endl 00165 << " context with dash (-) in front will be turned off" << endl 00166 << " context of all will turn on debugging for all context" << endl 00167 << endl 00168 << "Possible context:" << endl ; 00169 00170 if( _debug_map.size() ) 00171 { 00172 BESDebug::_debug_citer i = _debug_map.begin() ; 00173 BESDebug::_debug_citer e = _debug_map.end() ; 00174 for( ; i != e; i++ ) 00175 { 00176 strm << " " << (*i).first << ": " ; 00177 if( (*i).second ) 00178 strm << "on" << endl ; 00179 else 00180 strm << "off" << endl ; 00181 } 00182 } 00183 else 00184 { 00185 strm << " none specified" << endl ; 00186 } 00187 } 00188