FEI Version of the Day
fei_LogFile.cpp
00001 /*
00002 // @HEADER
00003 // ************************************************************************
00004 //             FEI: Finite Element Interface to Linear Solvers
00005 //                  Copyright (2005) Sandia Corporation.
00006 //
00007 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the
00008 // U.S. Government retains certain rights in this software.
00009 //
00010 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions are
00012 // met:
00013 //
00014 // 1. Redistributions of source code must retain the above copyright
00015 // notice, this list of conditions and the following disclaimer.
00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
00018 // notice, this list of conditions and the following disclaimer in the
00019 // documentation and/or other materials provided with the distribution.
00020 //
00021 // 3. Neither the name of the Corporation nor the names of the
00022 // contributors may be used to endorse or promote products derived from
00023 // this software without specific prior written permission.
00024 //
00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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00036 //
00037 // Questions? Contact Alan Williams (william@sandia.gov) 
00038 //
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00040 // @HEADER
00041 */
00042 
00043 
00044 #include "fei_LogFile.hpp"
00045 #include "fei_iostream.hpp"
00046 #include "fei_fstream.hpp"
00047 #include "fei_sstream.hpp"
00048 #include <string>
00049 
00050 fei::LogFile::LogFile()
00051  : output_stream_(0),
00052    counter_(0)
00053 {
00054 }
00055 
00056 fei::LogFile::~LogFile()
00057 {
00058   counter_ = 0;
00059   closeOutputStream();
00060 }
00061 
00062 void fei::LogFile::openOutputStream(const char* path,
00063                                     int nprocs,
00064                                     int localproc)
00065 {
00066   closeOutputStream();
00067 
00068   std::string pathstr("./");
00069   if (path != NULL) {
00070     pathstr = path;
00071   }
00072 
00073   if (pathstr[pathstr.size()] != '/') {
00074     pathstr = pathstr+"/";
00075   }
00076 
00077   FEI_OSTRINGSTREAM osstr;
00078   osstr << pathstr << "fei_log."<<counter_<<"."<<nprocs<<"."<<localproc;
00079   std::string filename = osstr.str();
00080 
00081   ++counter_;
00082 
00083   output_stream_ = new FEI_OFSTREAM(filename.c_str(), IOS_OUT);
00084 
00085   if (output_stream_ == NULL || output_stream_->bad()) {
00086     fei::console_out() << "couldn't open debug output file: " << filename << FEI_ENDL;
00087     delete output_stream_;
00088     output_stream_ = 0;
00089   }
00090 }
00091 
00092 FEI_OSTREAM* fei::LogFile::getOutputStream()
00093 {
00094   return( output_stream_ );
00095 }
00096 
00097 void fei::LogFile::closeOutputStream()
00098 {
00099   delete output_stream_;
00100   output_stream_ = 0;
00101 }
00102 
00103 fei::LogFile& fei::LogFile::getLogFile()
00104 {
00105   static fei::LogFile log_file;
00106   return(log_file);
00107 }
00108 
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