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added support for torrents with odd piece sizes

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This commit is contained in:
Arvid Norberg
2010-02-23 16:26:24 +00:00
parent 5c5f1d23a9
commit eff49e42a7
9 changed files with 28 additions and 52 deletions
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9
src/piece_picker.cpp
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@@ -76,18 +76,17 @@ namespace libtorrent
#endif
}
void piece_picker::init(int blocks_per_piece, int total_num_blocks)
void piece_picker::init(int blocks_per_piece, int blocks_in_last_piece, int total_num_pieces)
{
TORRENT_ASSERT(blocks_per_piece > 0);
TORRENT_ASSERT(total_num_blocks >= 0);
TORRENT_ASSERT(total_num_pieces > 0);
#ifdef TORRENT_PICKER_LOG
std::cerr << "piece_picker::init()" << std::endl;
#endif
// allocate the piece_map to cover all pieces
// and make them invalid (as if we don't have a single piece)
m_piece_map.resize((total_num_blocks + blocks_per_piece-1) / blocks_per_piece
, piece_pos(0, 0));
m_piece_map.resize(total_num_pieces, piece_pos(0, 0));
m_reverse_cursor = int(m_piece_map.size());
m_cursor = 0;
@@ -118,7 +117,7 @@ namespace libtorrent
TORRENT_ASSERT(m_piece_map.size() < piece_pos::we_have_index);
m_blocks_per_piece = blocks_per_piece;
m_blocks_in_last_piece = total_num_blocks % blocks_per_piece;
m_blocks_in_last_piece = blocks_in_last_piece;
if (m_blocks_in_last_piece == 0) m_blocks_in_last_piece = blocks_per_piece;
TORRENT_ASSERT(m_blocks_in_last_piece <= m_blocks_per_piece);