libzypp  10.5.0
HardLocksFile.cc
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00001 /*---------------------------------------------------------------------\
00002 |                          ____ _   __ __ ___                          |
00003 |                         |__  / \ / / . \ . \                         |
00004 |                           / / \ V /|  _/  _/                         |
00005 |                          / /__ | | | | | |                           |
00006 |                         /_____||_| |_| |_|                           |
00007 |                                                                      |
00008 \---------------------------------------------------------------------*/
00012 #include <iostream>
00013 #include <fstream>
00014 
00015 #include "zypp/base/LogTools.h"
00016 #include "zypp/base/IOStream.h"
00017 #include "zypp/base/String.h"
00018 
00019 #include "zypp/PathInfo.h"
00020 #include "zypp/TmpPath.h"
00021 #include "zypp/Date.h"
00022 
00023 #include "zypp/target/HardLocksFile.h"
00024 #include "zypp/PoolQueryUtil.tcc"
00025 
00026 using std::endl;
00027 
00029 namespace zypp
00030 { 
00031 
00032   namespace target
00033   { 
00034 
00035     void HardLocksFile::load( const Pathname & file_r, Data & data_r )
00036     {
00037       PathInfo pi( file_r );
00038       if ( ! pi.isFile() )
00039       {
00040         WAR << "Can't read " << pi << endl;
00041         return;
00042       }
00043 
00044       readPoolQueriesFromFile( file_r, std::back_inserter( data_r ) );
00045 
00046       MIL << "Read " << pi << endl;
00047     }
00048 
00049     void HardLocksFile::store( const Pathname & file_r, const Data & data_r )
00050     {
00051       filesystem::TmpFile tmp( filesystem::TmpFile::makeSibling( file_r ) );
00052       filesystem::chmod( tmp.path(), 0644 );
00053 
00054       writePoolQueriesToFile( tmp.path(), data_r.begin(), data_r.end() );
00055 
00056       if ( true ) // by now: no error info from writePoolQueriesToFile
00057       {
00058         filesystem::rename( tmp.path(), file_r );
00059         MIL << "Wrote " << PathInfo(file_r) << endl;
00060       }
00061       else
00062       {
00063         ERR << "Can't write " << PathInfo(tmp.path()) << endl;
00064       }
00065     }
00066 
00067     /******************************************************************
00068     **
00069     **  FUNCTION NAME : operator<<
00070     **  FUNCTION TYPE : std::ostream &
00071     */
00072     std::ostream & operator<<( std::ostream & str, const HardLocksFile & obj )
00073     {
00074       str << obj.file() << ' ';
00075       if ( obj._dataPtr )
00076         str << obj.data();
00077       else
00078         str << "(unloaded)";
00079       return str;
00080     }
00081 
00083   } // namespace target
00086 } // namespace zypp