zypp/target/CommitLog.cc

   1  /*---------------------------------------------------------------------\
   2 |                          ____ _   __ __ ___                          |
   3 |                         |__  / \ / / . \ . \                         |
   4 |                           / / \ V /|  _/  _/                         |
   5 |                          / /__ | | | | | |                           |
   6 |                         /_____||_| |_| |_|                           |
   7 |                                                                      |
   8 \---------------------------------------------------------------------*/
   9 /** \file zypp/target/CommitLog.cc
  10  *
  11 */
  12 #include <iostream>
  13 #include <fstream>
  14
  15 #include "zypp/base/Logger.h"
  16
  17 #include "zypp/target/CommitLog.h"
  18 #include "zypp/PathInfo.h"
  19 #include "zypp/Date.h"
  20
  21 using std::endl;
  22
  23 namespace zypp {
  24   namespace target {
  25
  26     ///////////////////////////////////////////////////////////////////
  27
  28     Pathname CommitLog::_fname;
  29     std::ofstream CommitLog::_log;
  30     unsigned CommitLog::_refcnt = 0;
  31
  32     ///////////////////////////////////////////////////////////////////
  33
  34     void CommitLog::openLog() {
  35       if ( !_fname.empty() ) {
  36         _log.clear();
  37         _log.open( _fname.asString().c_str(), std::ios::out|std::ios::app );
  38         if( !_log )
  39           ERR << "Could not open logfile '" << _fname << "'" << endl;
  40       }
  41     }
  42     void CommitLog::closeLog() {
  43       _log.clear();
  44       _log.close();
  45     }
  46     void CommitLog::refUp() {
  47       if ( !_refcnt )
  48         openLog();
  49       ++_refcnt;
  50     }
  51     void CommitLog::refDown() {
  52       --_refcnt;
  53       if ( !_refcnt )
  54         closeLog();
  55     }
  56
  57     std::ostream & CommitLog::operator()( bool timestamp ) {
  58       if ( timestamp ) {
  59         _log << Date(Date::now()).form( "%Y-%m-%d %H:%M:%S ");
  60       }
  61       return _log;
  62     }
  63
  64     void CommitLog::setFname( const Pathname & fname_r ) {
  65       MIL << "installation log file " << fname_r << endl;
  66       if ( _refcnt )
  67         closeLog();
  68       _fname = fname_r;
  69       if ( ! _fname.empty() )
  70         filesystem::assert_dir( _fname.dirname() );
  71       if ( _refcnt )
  72         openLog();
  73     }
  74
  75     const Pathname & CommitLog::fname()
  76     { return _fname; }
  77
  78   } // namespace target
  79 } // namespace zypp