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This commit is contained in:
Arvid Norberg 2005-07-04 16:33:54 +00:00
parent aa57fde0db
commit c42a8a50d3
1 changed files with 25 additions and 25 deletions
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50
src/torrent.cpp
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@ -666,36 +666,36 @@ namespace libtorrent
// this call is only valid on torrents with metadata
if (!valid_metadata()) return;
try
{
entry::integer_type position = 0;
// the bitmask need to have exactly one bit for every file
// in the torrent
assert(bitmask.size() == m_torrent_file.num_files());
entry::integer_type position = 0;
if (m_torrent_file.num_pieces())
if (m_torrent_file.num_pieces())
{
int piece_length = m_torrent_file.piece_length();
// mark all pieces as filtered, then clear the bits for files
// that should be downloaded
std::vector<bool> piece_filter(m_torrent_file.num_pieces(), true);
for (int i = 0; i < bitmask.size(); ++i)
{
int piece_length = m_torrent_file.piece_length();
// mark all pieces as filtered, then clear the bits for files
// that should be downloaded
std::vector<bool> piece_filter(m_torrent_file.num_pieces(), true);
for (int i = 0; i < bitmask.size(); ++i)
{
entry::integer_type start = position;
position += m_torrent_file.file_at(i).size;
// is the file selected for download?
if (!bitmask[i])
{
// mark all pieces of the file as downloadable
int start_piece = int(start / piece_length);
int last_piece = int(position / piece_length);
// if one piece spans several files, we might
// come here several times with the same start_piece, end_piece
std::fill(piece_filter.begin() + start_piece, piece_filter.begin()
+ last_piece + 1, false);
}
entry::integer_type start = position;
position += m_torrent_file.file_at(i).size;
// is the file selected for download?
if (!bitmask[i])
{
// mark all pieces of the file as downloadable
int start_piece = int(start / piece_length);
int last_piece = int(position / piece_length);
// if one piece spans several files, we might
// come here several times with the same start_piece, end_piece
std::fill(piece_filter.begin() + start_piece, piece_filter.begin()
+ last_piece + 1, false);
}
filter_pieces(piece_filter);
}
filter_pieces(piece_filter);
}
catch (std::exception) {}
}
void torrent::replace_trackers(std::vector<announce_entry> const& urls)