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https://github.com/transmission/transmission.git
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073c6af1d6
* refactor: encapsulate request tracking in a class Introduces a new class to peer-mgr, `ClientRequests`, which tracks what active requests we've got pending: which blocks, when the requests were sent, and who they were sent to. This shouldn't change peer-mgr behavior. Its goal is to carve out some of peer-mgr's data structures and encapsulte them behind an API that's simpler to understand. * refactor: move ActiveRequests to its own file * perf: avoid duplicate call to tr_cpMissingBlocksInPiece
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/*
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* This file Copyright (C) 2021 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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*/
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#pragma once
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#ifndef LIBTRANSMISSION_PEER_MODULE
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#error only the libtransmission peer module should #include this header.
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#endif
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#include "transmission.h"
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#include "torrent.h"
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/**
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* Figures out what blocks we want to request next.
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*/
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class Wishlist
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{
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public:
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struct PeerInfo
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{
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virtual bool clientCanRequestBlock(tr_block_index_t block) const = 0;
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virtual bool clientCanRequestPiece(tr_piece_index_t piece) const = 0;
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virtual bool isEndgame() const = 0;
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virtual size_t countActiveRequests(tr_block_index_t block) const = 0;
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virtual size_t countMissingBlocks(tr_piece_index_t piece) const = 0;
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virtual tr_block_range_t blockRange(tr_piece_index_t) const = 0;
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virtual tr_piece_index_t countAllPieces() const = 0;
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virtual tr_priority_t priority(tr_piece_index_t) const = 0;
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};
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// get a list of the next blocks that we should request from a peer
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std::vector<tr_block_range_t> next(PeerInfo const& peer_info, size_t n_wanted_blocks);
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};
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