filecache.cpp

#include "filecache.h"

#include <algorithm>
#include <fstream>
#include <istream>
#include <sys/stat.h>

namespace vdrlive {

std::time_t FileObject::get_filetime( std::string const& path )
{
  struct stat sbuf;
  if ( stat( path.c_str(), &sbuf ) < 0 )
    return 0;
  return sbuf.st_ctime;
}

bool FileObject::load()
{
  std::ifstream ifs( m_path.c_str(), std::ios::in | std::ios::binary | std::ios::ate );
  if ( !ifs )
    return false;

  std::streamsize size = ifs.tellg();
  ifs.seekg( 0, std::ios::beg );

  std::vector<char> data( size );
  data.resize( size );
  ifs.read( &data[0], size );
  ifs.close();

  m_ctime = get_filetime( m_path );
  m_data.swap( data );
  return true;
}

FileCache& LiveFileCache()
{
  static FileCache instance( 1000000 );
  return instance;
}

} // namespace vdrlive

#if 0
using namespace vdrlive;

int main()
{
  FileCache::ptr_type f = LiveFileCache().get("/tmp/live/active.png");
}
#endif