155 lines
4.3 KiB
C++
155 lines
4.3 KiB
C++
// This file Copyright © 2007-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#ifndef __TRANSMISSION__
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#error only libtransmission should #include this header.
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#endif
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#include <array>
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#include <cinttypes> // uintX_t
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#include <cstddef> // size_t
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#include <string>
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#include <string_view>
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#include <vector>
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#ifdef _WIN32
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#include <winsock2.h> /* struct in_addr */
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#endif
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#include "net.h" /* tr_address */
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#include "peer-common.h"
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#include "peer-socket.h"
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/**
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* @addtogroup peers Peers
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* @{
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*/
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class tr_peerIo;
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class tr_peerMsgs;
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class tr_swarm;
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struct UTPSocket;
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struct peer_atom;
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struct tr_peerMgr;
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struct tr_peer_stat;
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struct tr_torrent;
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/* added_f's bitwise-or'ed flags */
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enum
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{
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/* true if the peer supports encryption */
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ADDED_F_ENCRYPTION_FLAG = 1,
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/* true if the peer is a seed or partial seed */
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ADDED_F_SEED_FLAG = 2,
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/* true if the peer supports uTP */
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ADDED_F_UTP_FLAGS = 4,
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/* true if the peer has holepunch support */
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ADDED_F_HOLEPUNCH = 8,
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/* true if the peer telling us about this peer
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* initiated the connection (implying that it is connectible) */
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ADDED_F_CONNECTABLE = 16
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};
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struct tr_pex
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{
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tr_address addr;
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tr_port port; /* this field is in network byte order */
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uint8_t flags;
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std::string_view to_string(char* buf, size_t buflen) const
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{
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tr_address_and_port_to_string(buf, buflen, &addr, port);
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return buf;
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}
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[[nodiscard]] std::string to_string() const
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{
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auto buf = std::array<char, 64>{};
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return std::string{ to_string(std::data(buf), std::size(buf)) };
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}
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};
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constexpr bool tr_isPex(tr_pex const* pex)
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{
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return pex && tr_address_is_valid(&pex->addr);
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}
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tr_address const* tr_peerAddress(tr_peer const*);
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int tr_pexCompare(void const* a, void const* b);
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tr_peerMgr* tr_peerMgrNew(tr_session* session);
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void tr_peerMgrFree(tr_peerMgr* manager);
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bool tr_peerMgrPeerIsSeed(tr_torrent const* tor, tr_address const* addr);
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void tr_peerMgrSetUtpSupported(tr_torrent* tor, tr_address const* addr);
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void tr_peerMgrSetUtpFailed(tr_torrent* tor, tr_address const* addr, bool failed);
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std::vector<tr_block_span_t> tr_peerMgrGetNextRequests(tr_torrent* torrent, tr_peer const* peer, size_t numwant);
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bool tr_peerMgrDidPeerRequest(tr_torrent const* torrent, tr_peer const* peer, tr_block_index_t block);
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void tr_peerMgrClientSentRequests(tr_torrent* torrent, tr_peer* peer, tr_block_span_t span);
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size_t tr_peerMgrCountActiveRequestsToPeer(tr_torrent const* torrent, tr_peer const* peer);
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void tr_peerMgrAddIncoming(tr_peerMgr* manager, tr_address const* addr, tr_port port, struct tr_peer_socket const socket);
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std::vector<tr_pex> tr_peerMgrCompactToPex(void const* compact, size_t compactLen, uint8_t const* added_f, size_t added_f_len);
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std::vector<tr_pex> tr_peerMgrCompact6ToPex(void const* compact, size_t compactLen, uint8_t const* added_f, size_t added_f_len);
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size_t tr_peerMgrAddPex(tr_torrent* tor, uint8_t from, tr_pex const* pex, size_t n_pex);
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void tr_peerMgrSetSwarmIsAllSeeds(tr_torrent* tor);
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enum
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{
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TR_PEERS_CONNECTED,
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TR_PEERS_INTERESTING
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};
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int tr_peerMgrGetPeers(
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tr_torrent const* tor,
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tr_pex** setme_pex,
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uint8_t address_type,
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uint8_t peer_list_mode,
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int max_peer_count);
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void tr_peerMgrStartTorrent(tr_torrent* tor);
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void tr_peerMgrStopTorrent(tr_torrent* tor);
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void tr_peerMgrAddTorrent(tr_peerMgr* manager, struct tr_torrent* tor);
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void tr_peerMgrRemoveTorrent(tr_torrent* tor);
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void tr_peerMgrTorrentAvailability(tr_torrent const* tor, int8_t* tab, unsigned int tabCount);
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uint64_t tr_peerMgrGetDesiredAvailable(tr_torrent const* tor);
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void tr_peerMgrOnTorrentGotMetainfo(tr_torrent* tor);
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void tr_peerMgrOnBlocklistChanged(tr_peerMgr* manager);
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struct tr_peer_stat* tr_peerMgrPeerStats(tr_torrent const* tor, int* setmeCount);
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tr_webseed_view tr_peerMgrWebseed(tr_torrent const* tor, size_t i);
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unsigned int tr_peerGetPieceSpeed_Bps(tr_peer const* peer, uint64_t now, tr_direction direction);
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void tr_peerMgrClearInterest(tr_torrent* tor);
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void tr_peerMgrGotBadPiece(tr_torrent* tor, tr_piece_index_t pieceIndex);
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void tr_peerMgrPieceCompleted(tr_torrent* tor, tr_piece_index_t pieceIndex);
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/* @} */
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