int file_storage::piece_size(int index) const
{
TORRENT_ASSERT(index >= 0 && index < num_pieces());
if (index == num_pieces()-1)
{
size_type size_except_last = num_pieces() - 1;
size_except_last *= size_type(piece_length());
size_type size = total_size() - size_except_last;
TORRENT_ASSERT(size > 0);
TORRENT_ASSERT(size <= piece_length());
return int(size);
}
else
return piece_length();
}
// the number of pieces we want and don't have
int num_want_left() const { return num_pieces() - m_num_have - m_num_filtered + m_num_have_filtered; }
bool is_valid() const
{
return m_files.is_valid() &&
int(m_piece_hashes.size()) == num_pieces() + (file_at(0).size % PIECE_SIZE == 0);
}
