Transmission/transmission
1
0
Fork 0
mirror of https://github.com/transmission/transmission.git synced 2025-12-19 18:08:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

refactor: tr_completion (#2220)

Browse Source 
* refactor: refactor tr_completion + add test coverage for it
This commit is contained in:
Charles Kerr
2021-11-25 12:26:51 -06:00
committed by GitHub
parent 06090f113a
commit de169c7ec3
26 changed files with 1178 additions and 810 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
libtransmission/block-info.h
View File

@@ -30,9 +30,9 @@ struct tr_block_info
uint32_t final_piece_size = 0;
tr_block_info() = default;
tr_block_info(uint64_t total_size, uint64_t piece_size)
tr_block_info(uint64_t total_size_in, uint64_t piece_size_in)
{
initSizes(total_size, piece_size);
initSizes(total_size_in, piece_size_in);
}
void initSizes(uint64_t total_size_in, uint64_t piece_size_in);
@@ -54,9 +54,16 @@ struct tr_block_info
return block + 1 == n_blocks ? final_block_size : block_size;
}
constexpr tr_piece_index_t pieceOf(uint64_t offset) const
{
// handle 0-byte files at the end of a torrent
return offset == total_size ? n_pieces - 1 : offset / piece_size;
}
constexpr tr_block_index_t blockOf(uint64_t offset) const
{
return offset / block_size;
// handle 0-byte files at the end of a torrent
return offset == total_size ? n_blocks - 1 : offset / block_size;
}
constexpr uint64_t offset(tr_piece_index_t piece, uint32_t offset, uint32_t length = 0) const
@@ -73,20 +80,16 @@ struct tr_block_info
return blockOf(this->offset(piece, offset, length));
}
constexpr tr_block_range_t blockRangeForPiece(tr_piece_index_t piece) const
constexpr tr_block_span_t blockSpanForPiece(tr_piece_index_t piece) const
{
if (block_size == 0)
{
return {};
}
uint64_t offset = piece_size;
offset *= piece;
tr_block_index_t const first_block = offset / block_size;
offset += countBytesInPiece(piece) - 1;
tr_block_index_t const final_block = offset / block_size;
return { first_block, final_block };
auto const begin = blockOf(offset(piece, 0));
auto const end = 1 + blockOf(offset(piece, countBytesInPiece(piece) - 1));
return { begin, end };
}
static uint32_t bestBlockSize(uint64_t piece_size);