BitCache::BitCache(const std::tr1::shared_ptr<BitData>& bitdata,
BitDownloadingInfo *downloading_info)
: piece_length_(bitdata->GetPieceLength()),
piece_map_(bitdata->GetPieceMap()),
info_hash_(bitdata->GetInfoHash()),
metainfo_file_(bitdata->GetMetainfoFile()),
downloading_info_(downloading_info),
file_(bitdata)
{
const std::size_t total_cache_memory = 50 * 1024 * 1024;
max_cache_pieces_ = total_cache_memory / piece_length_;
}
