transmission/libtransmission/peer-mgr.h

158 lines
3.9 KiB
C

/*
* This file Copyright (C) 2007-2014 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
#pragma once
#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
#include <inttypes.h> /* uint16_t */
#ifdef _WIN32
#include <winsock2.h> /* struct in_addr */
#endif
#include "net.h" /* tr_address */
#include "peer-common.h"
#include "peer-socket.h"
#include "quark.h"
/**
* @addtogroup peers Peers
* @{
*/
struct UTPSocket;
struct tr_peer_stat;
struct tr_torrent;
typedef struct tr_peerMgr tr_peerMgr;
/* added_f's bitwise-or'ed flags */
enum
{
/* true if the peer supports encryption */
ADDED_F_ENCRYPTION_FLAG = 1,
/* true if the peer is a seed or partial seed */
ADDED_F_SEED_FLAG = 2,
/* true if the peer supports uTP */
ADDED_F_UTP_FLAGS = 4,
/* true if the peer has holepunch support */
ADDED_F_HOLEPUNCH = 8,
/* true if the peer telling us about this peer
* initiated the connection (implying that it is connectible) */
ADDED_F_CONNECTABLE = 16
};
typedef struct tr_pex
{
tr_address addr;
tr_port port; /* this field is in network byte order */
uint8_t flags;
} tr_pex;
struct peer_atom;
struct tr_peerIo;
struct tr_peerMsgs;
struct tr_swarm;
static inline bool tr_isPex(tr_pex const* pex)
{
return pex && tr_address_is_valid(&pex->addr);
}
tr_address const* tr_peerAddress(tr_peer const*);
int tr_pexCompare(void const* a, void const* b);
tr_peerMgr* tr_peerMgrNew(tr_session* session);
void tr_peerMgrFree(tr_peerMgr* manager);
bool tr_peerMgrPeerIsSeed(tr_torrent const* tor, tr_address const* addr);
void tr_peerMgrSetUtpSupported(tr_torrent* tor, tr_address const* addr);
void tr_peerMgrSetUtpFailed(tr_torrent* tor, tr_address const* addr, bool failed);
void tr_peerMgrGetNextRequests(
tr_torrent* torrent,
tr_peer* peer,
int numwant,
tr_block_index_t* setme,
int* numgot,
bool get_intervals);
bool tr_peerMgrDidPeerRequest(tr_torrent const* torrent, tr_peer const* peer, tr_block_index_t block);
void tr_peerMgrRebuildRequests(tr_torrent* torrent);
void tr_peerMgrAddIncoming(tr_peerMgr* manager, tr_address* addr, tr_port port, struct tr_peer_socket const socket);
tr_pex* tr_peerMgrCompactToPex(
void const* compact,
size_t compactLen,
uint8_t const* added_f,
size_t added_f_len,
size_t* setme_pex_count);
tr_pex* tr_peerMgrCompact6ToPex(
void const* compact,
size_t compactLen,
uint8_t const* added_f,
size_t added_f_len,
size_t* pexCount);
/**
* @param seedProbability [0..100] for likelihood that the peer is a seed; -1 for unknown
*/
void tr_peerMgrAddPex(tr_torrent* tor, uint8_t from, tr_pex const* pex, int8_t seedProbability);
enum
{
TR_PEERS_CONNECTED,
TR_PEERS_INTERESTING
};
int tr_peerMgrGetPeers(
tr_torrent const* tor,
tr_pex** setme_pex,
uint8_t address_type,
uint8_t peer_list_mode,
int max_peer_count);
void tr_peerMgrStartTorrent(tr_torrent* tor);
void tr_peerMgrStopTorrent(tr_torrent* tor);
void tr_peerMgrAddTorrent(tr_peerMgr* manager, struct tr_torrent* tor);
void tr_peerMgrRemoveTorrent(tr_torrent* tor);
void tr_peerMgrTorrentAvailability(tr_torrent const* tor, int8_t* tab, unsigned int tabCount);
uint64_t tr_peerMgrGetDesiredAvailable(tr_torrent const* tor);
void tr_peerMgrOnTorrentGotMetainfo(tr_torrent* tor);
void tr_peerMgrOnBlocklistChanged(tr_peerMgr* manager);
struct tr_peer_stat* tr_peerMgrPeerStats(tr_torrent const* tor, int* setmeCount);
double* tr_peerMgrWebSpeeds_KBps(tr_torrent const* tor);
unsigned int tr_peerGetPieceSpeed_Bps(tr_peer const* peer, uint64_t now, tr_direction direction);
void tr_peerMgrClearInterest(tr_torrent* tor);
void tr_peerMgrGotBadPiece(tr_torrent* tor, tr_piece_index_t pieceIndex);
void tr_peerMgrPieceCompleted(tr_torrent* tor, tr_piece_index_t pieceIndex);
/* @} */