mirror of https://github.com/vitalif/grive2
105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
/*
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grive: an GPL program to sync a local directory with Google Drive
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Copyright (C) 2012 Wan Wai Ho
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation version 2
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of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "OS.hh"
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#include "DateTime.hh"
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#include "Exception.hh"
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// boost headers
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#include <boost/throw_exception.hpp>
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#include <boost/exception/errinfo_api_function.hpp>
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#include <boost/exception/errinfo_at_line.hpp>
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#include <boost/exception/errinfo_errno.hpp>
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#include <boost/exception/errinfo_file_name.hpp>
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#include <boost/exception/errinfo_file_open_mode.hpp>
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#include <boost/exception/info.hpp>
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// OS specific headers
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/types.h>
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namespace gr { namespace os {
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void Stat( const fs::path& filename, DateTime *t, off_t *size, FileType *ft )
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{
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Stat( filename.string(), t, size, ft ) ;
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}
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void Stat( const std::string& filename, DateTime *t, off64_t *size, FileType *ft )
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{
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struct stat s = {} ;
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if ( ::stat( filename.c_str(), &s ) != 0 )
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{
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BOOST_THROW_EXCEPTION(
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Error()
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<< boost::errinfo_api_function("stat")
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<< boost::errinfo_errno(errno)
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<< boost::errinfo_file_name(filename)
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) ;
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}
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if ( t )
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{
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#if defined __APPLE__ && defined __DARWIN_64_BIT_INO_T
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*t = DateTime( s.st_ctimespec.tv_sec, s.st_ctimespec.tv_nsec ) ;
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#else
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*t = DateTime( s.st_ctim.tv_sec, s.st_ctim.tv_nsec);
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#endif
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}
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if ( size )
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*size = s.st_size;
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if ( ft )
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*ft = S_ISDIR( s.st_mode ) ? FT_DIR : ( S_ISREG( s.st_mode ) ? FT_FILE : FT_UNKNOWN ) ;
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}
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void SetFileTime( const fs::path& filename, const DateTime& t )
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{
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return SetFileTime( filename.string(), t ) ;
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}
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void SetFileTime( const std::string& filename, const DateTime& t )
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{
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struct timeval tvp[2] = { t.Tv(), t.Tv() } ;
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if ( ::utimes( filename.c_str(), tvp ) != 0 )
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BOOST_THROW_EXCEPTION(
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Error()
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<< boost::errinfo_api_function("utimes")
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<< boost::errinfo_errno(errno)
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<< boost::errinfo_file_name(filename)
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) ;
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}
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void Sleep( unsigned int sec )
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{
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struct timespec ts = { sec, 0 } ;
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int result = 0 ;
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do
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{
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struct timespec rem ;
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nanosleep( &ts, &rem ) ;
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ts = rem ;
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} while ( result == -1 && errno == EINTR ) ;
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}
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} } // end of namespaces
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