mirror of
https://github.com/transmission/transmission
synced 2024-12-26 17:47:37 +00:00
98e16a178f
* refactor: add an enumeration of the script types This simplifies the API by having a single set of functions that can be used for getting/setting all the script types.
3989 lines
98 KiB
C++
3989 lines
98 KiB
C++
/*
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* This file Copyright (C) 2009-2017 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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#include <algorithm> /* EINVAL */
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#include <cerrno> /* EINVAL */
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#include <climits> /* INT_MAX */
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#include <cmath>
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#include <csignal> /* signal() */
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#include <cstdarg>
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#include <cstdlib> /* qsort */
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#include <cstring> /* memcmp */
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#include <set>
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#include <sstream>
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#include <string>
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#ifndef _WIN32
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#include <sys/wait.h> /* wait() */
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#include <unistd.h> /* fork(), execvp(), _exit() */
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#else
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#include <windows.h> /* CreateProcess(), GetLastError() */
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#endif
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#include <event2/util.h> /* evutil_vsnprintf() */
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#include "transmission.h"
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#include "announcer.h"
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#include "bandwidth.h"
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#include "cache.h"
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#include "completion.h"
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#include "crypto-utils.h" /* for tr_sha1 */
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#include "error.h"
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#include "fdlimit.h" /* tr_fdTorrentClose */
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#include "file.h"
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#include "inout.h" /* tr_ioTestPiece() */
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#include "log.h"
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#include "magnet.h"
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#include "metainfo.h"
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#include "peer-common.h" /* MAX_BLOCK_SIZE */
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#include "peer-mgr.h"
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#include "platform.h" /* TR_PATH_DELIMITER_STR */
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#include "resume.h"
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#include "session.h"
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#include "subprocess.h"
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#include "torrent.h"
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#include "torrent-magnet.h"
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#include "tr-assert.h"
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#include "trevent.h" /* tr_runInEventThread() */
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#include "utils.h"
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#include "variant.h"
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#include "verify.h"
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#include "version.h"
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/***
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****
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***/
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#define tr_deeplog_tor(tor, ...) tr_logAddDeepNamed(tr_torrentName(tor), __VA_ARGS__)
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/***
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****
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***/
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char const* tr_torrentName(tr_torrent const* tor)
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{
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return tor != nullptr ? tor->info.name : "";
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}
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int tr_torrentId(tr_torrent const* tor)
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{
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return tor != nullptr ? tor->uniqueId : -1;
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}
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tr_torrent* tr_torrentFindFromId(tr_session* session, int id)
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{
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auto& src = session->torrentsById;
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auto it = src.find(id);
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return it == std::end(src) ? nullptr : it->second;
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}
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tr_torrent* tr_torrentFindFromHashString(tr_session* session, char const* hashstr)
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{
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auto& src = session->torrentsByHashString;
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auto it = src.find(hashstr);
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return it == std::end(src) ? nullptr : it->second;
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}
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tr_torrent* tr_torrentFindFromHash(tr_session* session, uint8_t const* hash)
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{
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auto& src = session->torrentsByHash;
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auto it = src.find(hash);
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return it == std::end(src) ? nullptr : it->second;
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}
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tr_torrent* tr_torrentFindFromMagnetLink(tr_session* session, char const* magnet)
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{
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tr_magnet_info* info;
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tr_torrent* tor = nullptr;
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if ((info = tr_magnetParse(magnet)) != nullptr)
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{
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tor = tr_torrentFindFromHash(session, info->hash);
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tr_magnetFree(info);
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}
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return tor;
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}
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tr_torrent* tr_torrentFindFromObfuscatedHash(tr_session* session, uint8_t const* obfuscatedTorrentHash)
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{
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for (auto* tor : session->torrents)
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{
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if (memcmp(tor->obfuscatedHash, obfuscatedTorrentHash, SHA_DIGEST_LENGTH) == 0)
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{
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return tor;
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}
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}
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return nullptr;
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}
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bool tr_torrentIsPieceTransferAllowed(tr_torrent const* tor, tr_direction direction)
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{
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TR_ASSERT(tr_isTorrent(tor));
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TR_ASSERT(tr_isDirection(direction));
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bool allowed = true;
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if (tr_torrentUsesSpeedLimit(tor, direction) && tr_torrentGetSpeedLimit_Bps(tor, direction) <= 0)
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{
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allowed = false;
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}
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if (tr_torrentUsesSessionLimits(tor))
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{
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unsigned int limit = 0;
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if (tr_sessionGetActiveSpeedLimit_Bps(tor->session, direction, &limit) && (limit <= 0))
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{
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allowed = false;
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}
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}
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return allowed;
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}
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/***
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****
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***/
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static constexpr void tr_torrentUnsetPeerId(tr_torrent* tor)
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{
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/* triggers a rebuild next time tr_torrentGetPeerId() is called */
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*tor->peer_id = '\0';
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}
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static int peerIdTTL(tr_torrent const* tor)
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{
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int ttl;
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if (tor->peer_id_creation_time == 0)
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{
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ttl = 0;
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}
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else
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{
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ttl = (int)difftime(tor->peer_id_creation_time + tor->session->peer_id_ttl_hours * 3600, tr_time());
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}
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return ttl;
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}
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unsigned char const* tr_torrentGetPeerId(tr_torrent* tor)
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{
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bool const needs_new_peer_id = (*tor->peer_id == '\0') || // doesn't have one
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(!tr_torrentIsPrivate(tor) && (peerIdTTL(tor) <= 0)); // has one but it's expired
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if (needs_new_peer_id)
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{
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tr_peerIdInit(tor->peer_id);
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tor->peer_id_creation_time = tr_time();
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}
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return tor->peer_id;
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}
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/***
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**** PER-TORRENT UL / DL SPEEDS
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***/
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void tr_torrentSetSpeedLimit_Bps(tr_torrent* tor, tr_direction dir, unsigned int Bps)
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{
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TR_ASSERT(tr_isTorrent(tor));
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TR_ASSERT(tr_isDirection(dir));
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if (tor->bandwidth->setDesiredSpeedBytesPerSecond(dir, Bps))
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{
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tr_torrentSetDirty(tor);
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}
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}
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void tr_torrentSetSpeedLimit_KBps(tr_torrent* tor, tr_direction dir, unsigned int KBps)
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{
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tr_torrentSetSpeedLimit_Bps(tor, dir, toSpeedBytes(KBps));
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}
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unsigned int tr_torrentGetSpeedLimit_Bps(tr_torrent const* tor, tr_direction dir)
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{
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TR_ASSERT(tr_isTorrent(tor));
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TR_ASSERT(tr_isDirection(dir));
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return tor->bandwidth->getDesiredSpeedBytesPerSecond(dir);
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}
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unsigned int tr_torrentGetSpeedLimit_KBps(tr_torrent const* tor, tr_direction dir)
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{
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TR_ASSERT(tr_isTorrent(tor));
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TR_ASSERT(tr_isDirection(dir));
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return toSpeedKBps(tr_torrentGetSpeedLimit_Bps(tor, dir));
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}
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void tr_torrentUseSpeedLimit(tr_torrent* tor, tr_direction dir, bool do_use)
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{
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TR_ASSERT(tr_isTorrent(tor));
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TR_ASSERT(tr_isDirection(dir));
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if (tor->bandwidth->setLimited(dir, do_use))
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{
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tr_torrentSetDirty(tor);
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}
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}
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bool tr_torrentUsesSpeedLimit(tr_torrent const* tor, tr_direction dir)
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{
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TR_ASSERT(tr_isTorrent(tor));
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return tor->bandwidth->isLimited(dir);
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}
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void tr_torrentUseSessionLimits(tr_torrent* tor, bool doUse)
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{
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TR_ASSERT(tr_isTorrent(tor));
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if (tor->bandwidth->honorParentLimits(TR_UP, doUse) || tor->bandwidth->honorParentLimits(TR_DOWN, doUse))
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{
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tr_torrentSetDirty(tor);
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}
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}
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bool tr_torrentUsesSessionLimits(tr_torrent const* tor)
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{
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TR_ASSERT(tr_isTorrent(tor));
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return tor->bandwidth->areParentLimitsHonored(TR_UP);
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}
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/***
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****
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***/
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void tr_torrentSetRatioMode(tr_torrent* tor, tr_ratiolimit mode)
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{
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TR_ASSERT(tr_isTorrent(tor));
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TR_ASSERT(mode == TR_RATIOLIMIT_GLOBAL || mode == TR_RATIOLIMIT_SINGLE || mode == TR_RATIOLIMIT_UNLIMITED);
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if (mode != tor->ratioLimitMode)
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{
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tor->ratioLimitMode = mode;
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tr_torrentSetDirty(tor);
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}
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}
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tr_ratiolimit tr_torrentGetRatioMode(tr_torrent const* tor)
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{
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TR_ASSERT(tr_isTorrent(tor));
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return tor->ratioLimitMode;
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}
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void tr_torrentSetRatioLimit(tr_torrent* tor, double desiredRatio)
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{
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TR_ASSERT(tr_isTorrent(tor));
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if ((int)(desiredRatio * 100.0) != (int)(tor->desiredRatio * 100.0))
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{
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tor->desiredRatio = desiredRatio;
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tr_torrentSetDirty(tor);
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}
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}
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double tr_torrentGetRatioLimit(tr_torrent const* tor)
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{
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TR_ASSERT(tr_isTorrent(tor));
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return tor->desiredRatio;
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}
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bool tr_torrentGetSeedRatio(tr_torrent const* tor, double* ratio)
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{
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TR_ASSERT(tr_isTorrent(tor));
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bool isLimited;
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switch (tr_torrentGetRatioMode(tor))
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{
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case TR_RATIOLIMIT_SINGLE:
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isLimited = true;
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if (ratio != nullptr)
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{
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*ratio = tr_torrentGetRatioLimit(tor);
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}
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break;
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case TR_RATIOLIMIT_GLOBAL:
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isLimited = tr_sessionIsRatioLimited(tor->session);
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if (isLimited && ratio != nullptr)
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{
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*ratio = tr_sessionGetRatioLimit(tor->session);
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}
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break;
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default: /* TR_RATIOLIMIT_UNLIMITED */
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isLimited = false;
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break;
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}
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return isLimited;
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}
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/* returns true if the seed ratio applies --
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* it applies if the torrent's a seed AND it has a seed ratio set */
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static bool tr_torrentGetSeedRatioBytes(tr_torrent const* tor, uint64_t* setmeLeft, uint64_t* setmeGoal)
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{
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TR_ASSERT(tr_isTorrent(tor));
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double seedRatio;
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bool seedRatioApplies = false;
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if (tr_torrentGetSeedRatio(tor, &seedRatio))
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{
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uint64_t const u = tor->uploadedCur + tor->uploadedPrev;
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uint64_t const d = tor->downloadedCur + tor->downloadedPrev;
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uint64_t const baseline = d != 0 ? d : tr_cpSizeWhenDone(&tor->completion);
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uint64_t const goal = baseline * seedRatio;
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if (setmeLeft != nullptr)
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{
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*setmeLeft = goal > u ? goal - u : 0;
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}
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if (setmeGoal != nullptr)
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{
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*setmeGoal = goal;
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}
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seedRatioApplies = tr_torrentIsSeed(tor);
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}
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return seedRatioApplies;
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}
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static bool tr_torrentIsSeedRatioDone(tr_torrent const* tor)
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{
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uint64_t bytesLeft;
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return tr_torrentGetSeedRatioBytes(tor, &bytesLeft, nullptr) && bytesLeft == 0;
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}
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/***
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****
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***/
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void tr_torrentSetIdleMode(tr_torrent* tor, tr_idlelimit mode)
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{
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TR_ASSERT(tr_isTorrent(tor));
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TR_ASSERT(mode == TR_IDLELIMIT_GLOBAL || mode == TR_IDLELIMIT_SINGLE || mode == TR_IDLELIMIT_UNLIMITED);
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if (mode != tor->idleLimitMode)
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{
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tor->idleLimitMode = mode;
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tr_torrentSetDirty(tor);
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}
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}
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tr_idlelimit tr_torrentGetIdleMode(tr_torrent const* tor)
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{
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TR_ASSERT(tr_isTorrent(tor));
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return tor->idleLimitMode;
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}
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void tr_torrentSetIdleLimit(tr_torrent* tor, uint16_t idleMinutes)
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{
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TR_ASSERT(tr_isTorrent(tor));
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if (idleMinutes > 0)
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{
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tor->idleLimitMinutes = idleMinutes;
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tr_torrentSetDirty(tor);
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}
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}
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uint16_t tr_torrentGetIdleLimit(tr_torrent const* tor)
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{
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TR_ASSERT(tr_isTorrent(tor));
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return tor->idleLimitMinutes;
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}
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bool tr_torrentGetSeedIdle(tr_torrent const* tor, uint16_t* idleMinutes)
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{
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bool isLimited;
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switch (tr_torrentGetIdleMode(tor))
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{
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case TR_IDLELIMIT_SINGLE:
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isLimited = true;
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if (idleMinutes != nullptr)
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{
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*idleMinutes = tr_torrentGetIdleLimit(tor);
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}
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break;
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case TR_IDLELIMIT_GLOBAL:
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isLimited = tr_sessionIsIdleLimited(tor->session);
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if (isLimited && idleMinutes != nullptr)
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{
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*idleMinutes = tr_sessionGetIdleLimit(tor->session);
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}
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break;
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default: /* TR_IDLELIMIT_UNLIMITED */
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isLimited = false;
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break;
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}
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return isLimited;
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}
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static bool tr_torrentIsSeedIdleLimitDone(tr_torrent* tor)
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{
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uint16_t idleMinutes;
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return tr_torrentGetSeedIdle(tor, &idleMinutes) &&
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difftime(tr_time(), std::max(tor->startDate, tor->activityDate)) >= idleMinutes * 60U;
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}
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/***
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****
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***/
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void tr_torrentCheckSeedLimit(tr_torrent* tor)
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{
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TR_ASSERT(tr_isTorrent(tor));
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if (!tor->isRunning || tor->isStopping || !tr_torrentIsSeed(tor))
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{
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return;
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}
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/* if we're seeding and reach our seed ratio limit, stop the torrent */
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if (tr_torrentIsSeedRatioDone(tor))
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{
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tr_logAddTorInfo(tor, "%s", "Seed ratio reached; pausing torrent");
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tor->isStopping = true;
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/* maybe notify the client */
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if (tor->ratio_limit_hit_func != nullptr)
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{
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(*tor->ratio_limit_hit_func)(tor, tor->ratio_limit_hit_func_user_data);
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}
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}
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/* if we're seeding and reach our inactiviy limit, stop the torrent */
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else if (tr_torrentIsSeedIdleLimitDone(tor))
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{
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tr_logAddTorInfo(tor, "%s", "Seeding idle limit reached; pausing torrent");
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tor->isStopping = true;
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tor->finishedSeedingByIdle = true;
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/* maybe notify the client */
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if (tor->idle_limit_hit_func != nullptr)
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{
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(*tor->idle_limit_hit_func)(tor, tor->idle_limit_hit_func_user_data);
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}
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}
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}
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/***
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****
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***/
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void tr_torrentSetLocalError(tr_torrent* tor, char const* fmt, ...)
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{
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TR_ASSERT(tr_isTorrent(tor));
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va_list ap;
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va_start(ap, fmt);
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tor->error = TR_STAT_LOCAL_ERROR;
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tor->errorTracker[0] = '\0';
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evutil_vsnprintf(tor->errorString, sizeof(tor->errorString), fmt, ap);
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va_end(ap);
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tr_logAddTorErr(tor, "%s", tor->errorString);
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if (tor->isRunning)
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{
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tor->isStopping = true;
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}
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}
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static constexpr void tr_torrentClearError(tr_torrent* tor)
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{
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tor->error = TR_STAT_OK;
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tor->errorString[0] = '\0';
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tor->errorTracker[0] = '\0';
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}
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static void onTrackerResponse(tr_torrent* tor, tr_tracker_event const* event, [[maybe_unused]] void* user_data)
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{
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switch (event->messageType)
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{
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case TR_TRACKER_PEERS:
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tr_logAddTorDbg(tor, "Got %zu peers from tracker", event->pexCount);
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tr_peerMgrAddPex(tor, TR_PEER_FROM_TRACKER, event->pex, event->pexCount);
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break;
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case TR_TRACKER_COUNTS:
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if (tr_torrentIsPrivate(tor) && (event->leechers == 0))
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{
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tr_peerMgrSetSwarmIsAllSeeds(tor);
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}
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break;
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|
|
case TR_TRACKER_WARNING:
|
|
tr_logAddTorErr(tor, _("Tracker warning: \"%s\""), event->text);
|
|
tor->error = TR_STAT_TRACKER_WARNING;
|
|
tr_strlcpy(tor->errorTracker, event->tracker, sizeof(tor->errorTracker));
|
|
tr_strlcpy(tor->errorString, event->text, sizeof(tor->errorString));
|
|
break;
|
|
|
|
case TR_TRACKER_ERROR:
|
|
tr_logAddTorErr(tor, _("Tracker error: \"%s\""), event->text);
|
|
tor->error = TR_STAT_TRACKER_ERROR;
|
|
tr_strlcpy(tor->errorTracker, event->tracker, sizeof(tor->errorTracker));
|
|
tr_strlcpy(tor->errorString, event->text, sizeof(tor->errorString));
|
|
break;
|
|
|
|
case TR_TRACKER_ERROR_CLEAR:
|
|
if (tor->error != TR_STAT_LOCAL_ERROR)
|
|
{
|
|
tr_torrentClearError(tor);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
**** TORRENT INSTANTIATION
|
|
****
|
|
***/
|
|
|
|
static constexpr tr_piece_index_t getBytePiece(tr_info const* info, uint64_t byteOffset)
|
|
{
|
|
TR_ASSERT(info != nullptr);
|
|
TR_ASSERT(info->pieceSize != 0);
|
|
|
|
tr_piece_index_t piece = byteOffset / info->pieceSize;
|
|
|
|
/* handle 0-byte files at the end of a torrent */
|
|
if (byteOffset == info->totalSize)
|
|
{
|
|
piece = info->pieceCount - 1;
|
|
}
|
|
|
|
return piece;
|
|
}
|
|
|
|
static constexpr void initFilePieces(tr_info* info, tr_file_index_t fileIndex)
|
|
{
|
|
TR_ASSERT(info != nullptr);
|
|
TR_ASSERT(fileIndex < info->fileCount);
|
|
|
|
tr_file* file = &info->files[fileIndex];
|
|
uint64_t firstByte = file->offset;
|
|
uint64_t lastByte = firstByte + (file->length != 0 ? file->length - 1 : 0);
|
|
|
|
file->firstPiece = getBytePiece(info, firstByte);
|
|
file->lastPiece = getBytePiece(info, lastByte);
|
|
}
|
|
|
|
static constexpr bool pieceHasFile(tr_piece_index_t piece, tr_file const* file)
|
|
{
|
|
return file->firstPiece <= piece && piece <= file->lastPiece;
|
|
}
|
|
|
|
static tr_priority_t calculatePiecePriority(tr_torrent const* tor, tr_piece_index_t piece, tr_file_index_t file_hint)
|
|
{
|
|
// safeguard against a bad arg
|
|
tr_info const* const inf = tr_torrentInfo(tor);
|
|
file_hint = std::min(file_hint, inf->fileCount - 1);
|
|
|
|
// find the first file with data in this piece
|
|
tr_file_index_t first = file_hint;
|
|
while (first > 0 && pieceHasFile(piece, &inf->files[first - 1]))
|
|
{
|
|
--first;
|
|
}
|
|
|
|
// the priority is the max of all the file priorities in the piece
|
|
tr_priority_t priority = TR_PRI_LOW;
|
|
for (tr_file_index_t i = first; i < inf->fileCount; ++i)
|
|
{
|
|
tr_file const* file = &inf->files[i];
|
|
|
|
if (!pieceHasFile(piece, file))
|
|
{
|
|
break;
|
|
}
|
|
|
|
priority = std::max(priority, file->priority);
|
|
|
|
/* When dealing with multimedia files, getting the first and
|
|
last pieces can sometimes allow you to preview it a bit
|
|
before it's fully downloaded... */
|
|
if ((file->priority >= TR_PRI_NORMAL) && (file->firstPiece == piece || file->lastPiece == piece))
|
|
{
|
|
priority = TR_PRI_HIGH;
|
|
}
|
|
}
|
|
|
|
return priority;
|
|
}
|
|
|
|
static void tr_torrentInitFilePieces(tr_torrent* tor)
|
|
{
|
|
uint64_t offset = 0;
|
|
tr_info* inf = &tor->info;
|
|
|
|
/* assign the file offsets */
|
|
for (tr_file_index_t f = 0; f < inf->fileCount; ++f)
|
|
{
|
|
inf->files[f].offset = offset;
|
|
offset += inf->files[f].length;
|
|
initFilePieces(inf, f);
|
|
}
|
|
|
|
/* build the array of first-file hints to give calculatePiecePriority */
|
|
tr_file_index_t* firstFiles = tr_new(tr_file_index_t, inf->pieceCount);
|
|
tr_file_index_t f = 0;
|
|
|
|
for (tr_piece_index_t p = 0; p < inf->pieceCount; ++p)
|
|
{
|
|
while (inf->files[f].lastPiece < p)
|
|
{
|
|
++f;
|
|
}
|
|
|
|
firstFiles[p] = f;
|
|
}
|
|
|
|
#if 0
|
|
|
|
/* test to confirm the first-file hints are correct */
|
|
for (tr_piece_index_t p = 0; p < inf->pieceCount; ++p)
|
|
{
|
|
tr_file_index_t f = firstFiles[p];
|
|
|
|
TR_ASSERT(inf->files[f].firstPiece <= p);
|
|
TR_ASSERT(inf->files[f].lastPiece >= p);
|
|
|
|
if (f > 0)
|
|
{
|
|
TR_ASSERT(inf->files[f - 1].lastPiece < p);
|
|
}
|
|
|
|
f = 0;
|
|
|
|
for (tr_file_index_t i = 0; i < inf->fileCount; ++i, ++f)
|
|
{
|
|
if (pieceHasFile(p, &inf->files[i]))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
TR_ASSERT((int)f == firstFiles[p]);
|
|
}
|
|
|
|
#endif
|
|
|
|
for (tr_piece_index_t p = 0; p < inf->pieceCount; ++p)
|
|
{
|
|
inf->pieces[p].priority = calculatePiecePriority(tor, p, firstFiles[p]);
|
|
}
|
|
|
|
tr_free(firstFiles);
|
|
}
|
|
|
|
static void torrentStart(tr_torrent* tor, bool bypass_queue);
|
|
|
|
/**
|
|
* Decide on a block size. Constraints:
|
|
* (1) most clients decline requests over 16 KiB
|
|
* (2) pieceSize must be a multiple of block size
|
|
*/
|
|
uint32_t tr_getBlockSize(uint32_t pieceSize)
|
|
{
|
|
uint32_t b = pieceSize;
|
|
|
|
while (b > MAX_BLOCK_SIZE)
|
|
{
|
|
b /= 2U;
|
|
}
|
|
|
|
if (b == 0 || pieceSize % b != 0) /* not cleanly divisible */
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
return b;
|
|
}
|
|
|
|
static void refreshCurrentDir(tr_torrent* tor);
|
|
|
|
static void torrentInitFromInfo(tr_torrent* tor)
|
|
{
|
|
tr_info const* const info = &tor->info;
|
|
|
|
tor->blockSize = tr_getBlockSize(info->pieceSize);
|
|
|
|
if (info->pieceSize != 0)
|
|
{
|
|
tor->lastPieceSize = (uint32_t)(info->totalSize % info->pieceSize);
|
|
}
|
|
|
|
if (tor->lastPieceSize == 0)
|
|
{
|
|
tor->lastPieceSize = info->pieceSize;
|
|
}
|
|
|
|
if (tor->blockSize != 0)
|
|
{
|
|
tor->lastBlockSize = info->totalSize % tor->blockSize;
|
|
}
|
|
|
|
if (tor->lastBlockSize == 0)
|
|
{
|
|
tor->lastBlockSize = tor->blockSize;
|
|
}
|
|
|
|
tor->blockCount = tor->blockSize != 0 ? (info->totalSize + tor->blockSize - 1) / tor->blockSize : 0;
|
|
tor->blockCountInPiece = tor->blockSize != 0 ? info->pieceSize / tor->blockSize : 0;
|
|
tor->blockCountInLastPiece = tor->blockSize != 0 ? (tor->lastPieceSize + tor->blockSize - 1) / tor->blockSize : 0;
|
|
|
|
#ifdef TR_ENABLE_ASSERTS
|
|
/* check our work */
|
|
if (tor->blockSize != 0)
|
|
{
|
|
TR_ASSERT(info->pieceSize % tor->blockSize == 0);
|
|
}
|
|
|
|
uint64_t t = info->pieceCount - 1;
|
|
t *= info->pieceSize;
|
|
t += tor->lastPieceSize;
|
|
TR_ASSERT(t == info->totalSize);
|
|
|
|
t = tor->blockCount - 1;
|
|
t *= tor->blockSize;
|
|
t += tor->lastBlockSize;
|
|
TR_ASSERT(t == info->totalSize);
|
|
|
|
t = info->pieceCount - 1;
|
|
t *= tor->blockCountInPiece;
|
|
t += tor->blockCountInLastPiece;
|
|
TR_ASSERT(t == (uint64_t)tor->blockCount);
|
|
#endif
|
|
|
|
tr_cpConstruct(&tor->completion, tor);
|
|
|
|
tr_torrentInitFilePieces(tor);
|
|
|
|
tor->completeness = tr_cpGetStatus(&tor->completion);
|
|
}
|
|
|
|
static void tr_torrentFireMetadataCompleted(tr_torrent* tor);
|
|
|
|
void tr_torrentGotNewInfoDict(tr_torrent* tor)
|
|
{
|
|
torrentInitFromInfo(tor);
|
|
|
|
tr_peerMgrOnTorrentGotMetainfo(tor);
|
|
|
|
tr_torrentFireMetadataCompleted(tor);
|
|
}
|
|
|
|
static bool hasAnyLocalData(tr_torrent const* tor)
|
|
{
|
|
for (tr_file_index_t i = 0; i < tor->info.fileCount; ++i)
|
|
{
|
|
if (tr_torrentFindFile2(tor, i, nullptr, nullptr, nullptr))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool setLocalErrorIfFilesDisappeared(tr_torrent* tor)
|
|
{
|
|
bool const disappeared = tr_torrentHaveTotal(tor) > 0 && !hasAnyLocalData(tor);
|
|
|
|
if (disappeared)
|
|
{
|
|
tr_deeplog_tor(tor, "%s", "[LAZY] uh oh, the files disappeared");
|
|
tr_torrentSetLocalError(
|
|
tor,
|
|
"%s",
|
|
_("No data found! Ensure your drives are connected or use \"Set Location\". "
|
|
"To re-download, remove the torrent and re-add it."));
|
|
}
|
|
|
|
return disappeared;
|
|
}
|
|
|
|
static void torrentCallScript(tr_torrent const* tor, char const* script);
|
|
|
|
static void callScriptIfEnabled(tr_torrent const* tor, TrScript type)
|
|
{
|
|
auto* session = tor->session;
|
|
|
|
if (tr_sessionIsScriptEnabled(session, type))
|
|
{
|
|
torrentCallScript(tor, tr_sessionGetScript(session, type));
|
|
}
|
|
}
|
|
|
|
static void torrentInit(tr_torrent* tor, tr_ctor const* ctor)
|
|
{
|
|
tr_session* session = tr_ctorGetSession(ctor);
|
|
|
|
TR_ASSERT(session != nullptr);
|
|
|
|
tr_sessionLock(session);
|
|
|
|
bool doStart;
|
|
uint64_t loaded;
|
|
char const* dir;
|
|
bool isNewTorrent;
|
|
static int nextUniqueId = 1;
|
|
|
|
tor->session = session;
|
|
tor->uniqueId = nextUniqueId++;
|
|
tor->magicNumber = TORRENT_MAGIC_NUMBER;
|
|
tor->queuePosition = tr_sessionCountTorrents(session);
|
|
|
|
tr_sha1(tor->obfuscatedHash, "req2", 4, tor->info.hash, SHA_DIGEST_LENGTH, nullptr);
|
|
|
|
if (tr_ctorGetDownloadDir(ctor, TR_FORCE, &dir) || tr_ctorGetDownloadDir(ctor, TR_FALLBACK, &dir))
|
|
{
|
|
tor->downloadDir = tr_strdup(dir);
|
|
}
|
|
|
|
if (!tr_ctorGetIncompleteDir(ctor, &dir))
|
|
{
|
|
dir = tr_sessionGetIncompleteDir(session);
|
|
}
|
|
|
|
if (tr_sessionIsIncompleteDirEnabled(session))
|
|
{
|
|
tor->incompleteDir = tr_strdup(dir);
|
|
}
|
|
|
|
tor->bandwidth = new Bandwidth(session->bandwidth);
|
|
|
|
tor->bandwidth->setPriority(tr_ctorGetBandwidthPriority(ctor));
|
|
tor->error = TR_STAT_OK;
|
|
tor->finishedSeedingByIdle = false;
|
|
|
|
tr_peerMgrAddTorrent(session->peerMgr, tor);
|
|
|
|
TR_ASSERT(tor->downloadedCur == 0);
|
|
TR_ASSERT(tor->uploadedCur == 0);
|
|
|
|
tr_torrentSetDateAdded(tor, tr_time()); /* this is a default value to be overwritten by the resume file */
|
|
|
|
torrentInitFromInfo(tor);
|
|
|
|
bool didRenameResumeFileToHashOnlyName = false;
|
|
loaded = tr_torrentLoadResume(tor, ~(uint64_t)0, ctor, &didRenameResumeFileToHashOnlyName);
|
|
|
|
if (didRenameResumeFileToHashOnlyName)
|
|
{
|
|
/* Rename torrent file as well */
|
|
tr_metainfoMigrateFile(session, &tor->info, TR_METAINFO_BASENAME_NAME_AND_PARTIAL_HASH, TR_METAINFO_BASENAME_HASH);
|
|
}
|
|
|
|
tor->completeness = tr_cpGetStatus(&tor->completion);
|
|
setLocalErrorIfFilesDisappeared(tor);
|
|
|
|
tr_ctorInitTorrentPriorities(ctor, tor);
|
|
tr_ctorInitTorrentWanted(ctor, tor);
|
|
|
|
refreshCurrentDir(tor);
|
|
|
|
doStart = tor->isRunning;
|
|
tor->isRunning = false;
|
|
|
|
if ((loaded & TR_FR_SPEEDLIMIT) == 0)
|
|
{
|
|
tr_torrentUseSpeedLimit(tor, TR_UP, false);
|
|
tr_torrentSetSpeedLimit_Bps(tor, TR_UP, tr_sessionGetSpeedLimit_Bps(tor->session, TR_UP));
|
|
tr_torrentUseSpeedLimit(tor, TR_DOWN, false);
|
|
tr_torrentSetSpeedLimit_Bps(tor, TR_DOWN, tr_sessionGetSpeedLimit_Bps(tor->session, TR_DOWN));
|
|
tr_torrentUseSessionLimits(tor, true);
|
|
}
|
|
|
|
if ((loaded & TR_FR_RATIOLIMIT) == 0)
|
|
{
|
|
tr_torrentSetRatioMode(tor, TR_RATIOLIMIT_GLOBAL);
|
|
tr_torrentSetRatioLimit(tor, tr_sessionGetRatioLimit(tor->session));
|
|
}
|
|
|
|
if ((loaded & TR_FR_IDLELIMIT) == 0)
|
|
{
|
|
tr_torrentSetIdleMode(tor, TR_IDLELIMIT_GLOBAL);
|
|
tr_torrentSetIdleLimit(tor, tr_sessionGetIdleLimit(tor->session));
|
|
}
|
|
|
|
tr_sessionAddTorrent(session, tor);
|
|
|
|
/* if we don't have a local .torrent file already, assume the torrent is new */
|
|
isNewTorrent = !tr_sys_path_exists(tor->info.torrent, nullptr);
|
|
|
|
/* maybe save our own copy of the metainfo */
|
|
if (tr_ctorGetSave(ctor))
|
|
{
|
|
tr_variant const* val;
|
|
|
|
if (tr_ctorGetMetainfo(ctor, &val))
|
|
{
|
|
char const* path = tor->info.torrent;
|
|
int const err = tr_variantToFile(val, TR_VARIANT_FMT_BENC, path);
|
|
|
|
if (err != 0)
|
|
{
|
|
tr_torrentSetLocalError(tor, "Unable to save torrent file: %s", tr_strerror(err));
|
|
}
|
|
|
|
tr_sessionSetTorrentFile(tor->session, tor->info.hashString, path);
|
|
}
|
|
}
|
|
|
|
tor->tiers = tr_announcerAddTorrent(tor, onTrackerResponse, nullptr);
|
|
|
|
if (isNewTorrent)
|
|
{
|
|
if (tr_torrentHasMetadata(tor))
|
|
{
|
|
callScriptIfEnabled(tor, TR_SCRIPT_ON_TORRENT_ADDED);
|
|
}
|
|
|
|
if (!tr_torrentHasMetadata(tor) && !doStart)
|
|
{
|
|
tor->prefetchMagnetMetadata = true;
|
|
tr_torrentStartNow(tor);
|
|
}
|
|
else
|
|
{
|
|
tor->startAfterVerify = doStart;
|
|
tr_torrentVerify(tor, nullptr, nullptr);
|
|
}
|
|
}
|
|
else if (doStart)
|
|
{
|
|
tr_torrentStart(tor);
|
|
}
|
|
|
|
tr_sessionUnlock(session);
|
|
}
|
|
|
|
static tr_parse_result torrentParseImpl(
|
|
tr_ctor const* ctor,
|
|
tr_info* setmeInfo,
|
|
bool* setmeHasInfo,
|
|
size_t* dictLength,
|
|
int* setme_duplicate_id)
|
|
{
|
|
bool doFree;
|
|
bool didParse;
|
|
bool hasInfo = false;
|
|
tr_info tmp;
|
|
tr_variant const* metainfo;
|
|
tr_session* session = tr_ctorGetSession(ctor);
|
|
tr_parse_result result = TR_PARSE_OK;
|
|
|
|
if (setmeInfo == nullptr)
|
|
{
|
|
setmeInfo = &tmp;
|
|
}
|
|
|
|
memset(setmeInfo, 0, sizeof(tr_info));
|
|
|
|
if (!tr_ctorGetMetainfo(ctor, &metainfo))
|
|
{
|
|
return TR_PARSE_ERR;
|
|
}
|
|
|
|
didParse = tr_metainfoParse(session, metainfo, setmeInfo, &hasInfo, dictLength);
|
|
doFree = didParse && (setmeInfo == &tmp);
|
|
|
|
if (!didParse)
|
|
{
|
|
result = TR_PARSE_ERR;
|
|
}
|
|
|
|
if (didParse && hasInfo && tr_getBlockSize(setmeInfo->pieceSize) == 0)
|
|
{
|
|
result = TR_PARSE_ERR;
|
|
}
|
|
|
|
if (didParse && session != nullptr && result == TR_PARSE_OK)
|
|
{
|
|
tr_torrent const* const tor = tr_torrentFindFromHash(session, setmeInfo->hash);
|
|
|
|
if (tor != nullptr)
|
|
{
|
|
result = TR_PARSE_DUPLICATE;
|
|
|
|
if (setme_duplicate_id != nullptr)
|
|
{
|
|
*setme_duplicate_id = tr_torrentId(tor);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (doFree)
|
|
{
|
|
tr_metainfoFree(setmeInfo);
|
|
}
|
|
|
|
if (setmeHasInfo != nullptr)
|
|
{
|
|
*setmeHasInfo = hasInfo;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
tr_parse_result tr_torrentParse(tr_ctor const* ctor, tr_info* setmeInfo)
|
|
{
|
|
return torrentParseImpl(ctor, setmeInfo, nullptr, nullptr, nullptr);
|
|
}
|
|
|
|
tr_torrent* tr_torrentNew(tr_ctor const* ctor, int* setme_error, int* setme_duplicate_id)
|
|
{
|
|
TR_ASSERT(ctor != nullptr);
|
|
TR_ASSERT(tr_isSession(tr_ctorGetSession(ctor)));
|
|
|
|
size_t len;
|
|
bool hasInfo;
|
|
tr_info tmpInfo;
|
|
tr_parse_result r;
|
|
tr_torrent* tor = nullptr;
|
|
|
|
r = torrentParseImpl(ctor, &tmpInfo, &hasInfo, &len, setme_duplicate_id);
|
|
|
|
if (r == TR_PARSE_OK)
|
|
{
|
|
tor = new tr_torrent{};
|
|
tor->info = tmpInfo;
|
|
|
|
if (hasInfo)
|
|
{
|
|
tor->infoDictLength = len;
|
|
}
|
|
|
|
torrentInit(tor, ctor);
|
|
}
|
|
else
|
|
{
|
|
if (r == TR_PARSE_DUPLICATE)
|
|
{
|
|
tr_metainfoFree(&tmpInfo);
|
|
}
|
|
|
|
if (setme_error != nullptr)
|
|
{
|
|
*setme_error = r;
|
|
}
|
|
}
|
|
|
|
return tor;
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
void tr_torrentSetDownloadDir(tr_torrent* tor, char const* path)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (path == nullptr || tor->downloadDir == nullptr || strcmp(path, tor->downloadDir) != 0)
|
|
{
|
|
tr_free(tor->downloadDir);
|
|
tor->downloadDir = tr_strdup(path);
|
|
|
|
tr_torrentMarkEdited(tor);
|
|
tr_torrentSetDirty(tor);
|
|
}
|
|
|
|
refreshCurrentDir(tor);
|
|
}
|
|
|
|
char const* tr_torrentGetDownloadDir(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->downloadDir;
|
|
}
|
|
|
|
char const* tr_torrentGetCurrentDir(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->currentDir;
|
|
}
|
|
|
|
void tr_torrentChangeMyPort(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->isRunning)
|
|
{
|
|
tr_announcerChangeMyPort(tor);
|
|
}
|
|
}
|
|
|
|
static inline void tr_torrentManualUpdateImpl(void* vtor)
|
|
{
|
|
auto* tor = static_cast<tr_torrent*>(vtor);
|
|
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->isRunning)
|
|
{
|
|
tr_announcerManualAnnounce(tor);
|
|
}
|
|
}
|
|
|
|
void tr_torrentManualUpdate(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_runInEventThread(tor->session, tr_torrentManualUpdateImpl, tor);
|
|
}
|
|
|
|
bool tr_torrentCanManualUpdate(tr_torrent const* tor)
|
|
{
|
|
return tr_isTorrent(tor) && tor->isRunning && tr_announcerCanManualAnnounce(tor);
|
|
}
|
|
|
|
tr_info const* tr_torrentInfo(tr_torrent const* tor)
|
|
{
|
|
return tr_isTorrent(tor) ? &tor->info : nullptr;
|
|
}
|
|
|
|
tr_stat const* tr_torrentStatCached(tr_torrent* tor)
|
|
{
|
|
time_t const now = tr_time();
|
|
|
|
return (tr_isTorrent(tor) && now == tor->lastStatTime) ? &tor->stats : tr_torrentStat(tor);
|
|
}
|
|
|
|
void tr_torrentSetVerifyState(tr_torrent* tor, tr_verify_state state)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(state == TR_VERIFY_NONE || state == TR_VERIFY_WAIT || state == TR_VERIFY_NOW);
|
|
|
|
tor->verifyState = state;
|
|
tor->anyDate = tr_time();
|
|
}
|
|
|
|
tr_torrent_activity tr_torrentGetActivity(tr_torrent const* tor)
|
|
{
|
|
tr_torrent_activity ret = TR_STATUS_STOPPED;
|
|
|
|
bool const is_seed = tr_torrentIsSeed(tor);
|
|
|
|
if (tor->verifyState == TR_VERIFY_NOW)
|
|
{
|
|
ret = TR_STATUS_CHECK;
|
|
}
|
|
else if (tor->verifyState == TR_VERIFY_WAIT)
|
|
{
|
|
ret = TR_STATUS_CHECK_WAIT;
|
|
}
|
|
else if (tor->isRunning)
|
|
{
|
|
ret = is_seed ? TR_STATUS_SEED : TR_STATUS_DOWNLOAD;
|
|
}
|
|
else if (tr_torrentIsQueued(tor))
|
|
{
|
|
if (is_seed && tr_sessionGetQueueEnabled(tor->session, TR_UP))
|
|
{
|
|
ret = TR_STATUS_SEED_WAIT;
|
|
}
|
|
else if (!is_seed && tr_sessionGetQueueEnabled(tor->session, TR_DOWN))
|
|
{
|
|
ret = TR_STATUS_DOWNLOAD_WAIT;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int torrentGetIdleSecs(tr_torrent const* tor, tr_torrent_activity activity)
|
|
{
|
|
return ((activity == TR_STATUS_DOWNLOAD || activity == TR_STATUS_SEED) && tor->startDate != 0) ?
|
|
(int)difftime(tr_time(), std::max(tor->startDate, tor->activityDate)) :
|
|
-1;
|
|
}
|
|
|
|
static inline bool tr_torrentIsStalled(tr_torrent const* tor, int idle_secs)
|
|
{
|
|
return tr_sessionGetQueueStalledEnabled(tor->session) && idle_secs > tr_sessionGetQueueStalledMinutes(tor->session) * 60;
|
|
}
|
|
|
|
static double getVerifyProgress(tr_torrent const* tor)
|
|
{
|
|
double d = 0;
|
|
|
|
if (tr_torrentHasMetadata(tor))
|
|
{
|
|
tr_piece_index_t checked = 0;
|
|
|
|
for (tr_piece_index_t i = 0; i < tor->info.pieceCount; ++i)
|
|
{
|
|
if (tor->info.pieces[i].timeChecked != 0)
|
|
{
|
|
++checked;
|
|
}
|
|
}
|
|
|
|
d = checked / (double)tor->info.pieceCount;
|
|
}
|
|
|
|
return d;
|
|
}
|
|
|
|
tr_stat const* tr_torrentStat(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
uint64_t const now = tr_time_msec();
|
|
|
|
tr_stat* s;
|
|
uint64_t seedRatioBytesLeft;
|
|
uint64_t seedRatioBytesGoal;
|
|
bool seedRatioApplies;
|
|
uint16_t seedIdleMinutes;
|
|
unsigned int pieceUploadSpeed_Bps;
|
|
unsigned int pieceDownloadSpeed_Bps;
|
|
auto swarm_stats = tr_swarm_stats{};
|
|
|
|
tor->lastStatTime = tr_time();
|
|
|
|
if (tor->swarm != nullptr)
|
|
{
|
|
tr_swarmGetStats(tor->swarm, &swarm_stats);
|
|
}
|
|
|
|
s = &tor->stats;
|
|
s->id = tor->uniqueId;
|
|
s->activity = tr_torrentGetActivity(tor);
|
|
s->error = tor->error;
|
|
s->queuePosition = tor->queuePosition;
|
|
s->idleSecs = torrentGetIdleSecs(tor, s->activity);
|
|
s->isStalled = tr_torrentIsStalled(tor, s->idleSecs);
|
|
s->errorString = tor->errorString;
|
|
|
|
s->manualAnnounceTime = tr_announcerNextManualAnnounce(tor);
|
|
s->peersConnected = swarm_stats.peerCount;
|
|
s->peersSendingToUs = swarm_stats.activePeerCount[TR_DOWN];
|
|
s->peersGettingFromUs = swarm_stats.activePeerCount[TR_UP];
|
|
s->webseedsSendingToUs = swarm_stats.activeWebseedCount;
|
|
|
|
for (int i = 0; i < TR_PEER_FROM__MAX; i++)
|
|
{
|
|
s->peersFrom[i] = swarm_stats.peerFromCount[i];
|
|
}
|
|
|
|
s->rawUploadSpeed_KBps = toSpeedKBps(tor->bandwidth->getRawSpeedBytesPerSecond(now, TR_UP));
|
|
s->rawDownloadSpeed_KBps = toSpeedKBps(tor->bandwidth->getRawSpeedBytesPerSecond(now, TR_DOWN));
|
|
pieceUploadSpeed_Bps = tor->bandwidth->getPieceSpeedBytesPerSecond(now, TR_UP);
|
|
pieceDownloadSpeed_Bps = tor->bandwidth->getPieceSpeedBytesPerSecond(now, TR_DOWN);
|
|
s->pieceUploadSpeed_KBps = toSpeedKBps(pieceUploadSpeed_Bps);
|
|
s->pieceDownloadSpeed_KBps = toSpeedKBps(pieceDownloadSpeed_Bps);
|
|
|
|
s->percentComplete = tr_cpPercentComplete(&tor->completion);
|
|
s->metadataPercentComplete = tr_torrentGetMetadataPercent(tor);
|
|
|
|
s->percentDone = tr_cpPercentDone(&tor->completion);
|
|
s->leftUntilDone = tr_torrentGetLeftUntilDone(tor);
|
|
s->sizeWhenDone = tr_cpSizeWhenDone(&tor->completion);
|
|
s->recheckProgress = s->activity == TR_STATUS_CHECK ? getVerifyProgress(tor) : 0;
|
|
s->activityDate = tor->activityDate;
|
|
s->addedDate = tor->addedDate;
|
|
s->doneDate = tor->doneDate;
|
|
s->editDate = tor->editDate;
|
|
s->startDate = tor->startDate;
|
|
s->secondsSeeding = tor->secondsSeeding;
|
|
s->secondsDownloading = tor->secondsDownloading;
|
|
|
|
s->corruptEver = tor->corruptCur + tor->corruptPrev;
|
|
s->downloadedEver = tor->downloadedCur + tor->downloadedPrev;
|
|
s->uploadedEver = tor->uploadedCur + tor->uploadedPrev;
|
|
s->haveValid = tr_cpHaveValid(&tor->completion);
|
|
s->haveUnchecked = tr_torrentHaveTotal(tor) - s->haveValid;
|
|
s->desiredAvailable = tr_peerMgrGetDesiredAvailable(tor);
|
|
|
|
s->ratio = tr_getRatio(s->uploadedEver, s->downloadedEver != 0 ? s->downloadedEver : s->haveValid);
|
|
|
|
seedRatioApplies = tr_torrentGetSeedRatioBytes(tor, &seedRatioBytesLeft, &seedRatioBytesGoal);
|
|
|
|
switch (s->activity)
|
|
{
|
|
/* etaXLSpeed exists because if we use the piece speed directly,
|
|
* brief fluctuations cause the ETA to jump all over the place.
|
|
* so, etaXLSpeed is a smoothed-out version of the piece speed
|
|
* to dampen the effect of fluctuations */
|
|
case TR_STATUS_DOWNLOAD:
|
|
if (tor->etaDLSpeedCalculatedAt + 800 < now)
|
|
{
|
|
tor->etaDLSpeed_Bps = tor->etaDLSpeedCalculatedAt + 4000 < now ?
|
|
pieceDownloadSpeed_Bps : /* if no recent previous speed, no need to smooth */
|
|
(tor->etaDLSpeed_Bps * 4.0 + pieceDownloadSpeed_Bps) / 5.0; /* smooth across 5 readings */
|
|
tor->etaDLSpeedCalculatedAt = now;
|
|
}
|
|
|
|
if (s->leftUntilDone > s->desiredAvailable && tor->info.webseedCount < 1)
|
|
{
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
}
|
|
else if (tor->etaDLSpeed_Bps == 0)
|
|
{
|
|
s->eta = TR_ETA_UNKNOWN;
|
|
}
|
|
else
|
|
{
|
|
s->eta = s->leftUntilDone / tor->etaDLSpeed_Bps;
|
|
}
|
|
|
|
s->etaIdle = TR_ETA_NOT_AVAIL;
|
|
break;
|
|
|
|
case TR_STATUS_SEED:
|
|
if (!seedRatioApplies)
|
|
{
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
}
|
|
else
|
|
{
|
|
if (tor->etaULSpeedCalculatedAt + 800 < now)
|
|
{
|
|
tor->etaULSpeed_Bps = tor->etaULSpeedCalculatedAt + 4000 < now ?
|
|
pieceUploadSpeed_Bps : /* if no recent previous speed, no need to smooth */
|
|
(tor->etaULSpeed_Bps * 4.0 + pieceUploadSpeed_Bps) / 5.0; /* smooth across 5 readings */
|
|
tor->etaULSpeedCalculatedAt = now;
|
|
}
|
|
|
|
if (tor->etaULSpeed_Bps == 0)
|
|
{
|
|
s->eta = TR_ETA_UNKNOWN;
|
|
}
|
|
else
|
|
{
|
|
s->eta = seedRatioBytesLeft / tor->etaULSpeed_Bps;
|
|
}
|
|
}
|
|
|
|
if (tor->etaULSpeed_Bps < 1 && tr_torrentGetSeedIdle(tor, &seedIdleMinutes))
|
|
{
|
|
s->etaIdle = seedIdleMinutes * 60 - s->idleSecs;
|
|
}
|
|
else
|
|
{
|
|
s->etaIdle = TR_ETA_NOT_AVAIL;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
s->etaIdle = TR_ETA_NOT_AVAIL;
|
|
break;
|
|
}
|
|
|
|
/* s->haveValid is here to make sure a torrent isn't marked 'finished'
|
|
* when the user hits "uncheck all" prior to starting the torrent... */
|
|
s->finished = tor->finishedSeedingByIdle || (seedRatioApplies && seedRatioBytesLeft == 0 && s->haveValid != 0);
|
|
|
|
if (!seedRatioApplies || s->finished)
|
|
{
|
|
s->seedRatioPercentDone = 1;
|
|
}
|
|
else if (seedRatioBytesGoal == 0) /* impossible? safeguard for div by zero */
|
|
{
|
|
s->seedRatioPercentDone = 0;
|
|
}
|
|
else
|
|
{
|
|
s->seedRatioPercentDone = (double)(seedRatioBytesGoal - seedRatioBytesLeft) / seedRatioBytesGoal;
|
|
}
|
|
|
|
/* test some of the constraints */
|
|
TR_ASSERT(s->sizeWhenDone <= tor->info.totalSize);
|
|
TR_ASSERT(s->leftUntilDone <= s->sizeWhenDone);
|
|
TR_ASSERT(s->desiredAvailable <= s->leftUntilDone);
|
|
|
|
return s;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static uint64_t countFileBytesCompleted(tr_torrent const* tor, tr_file_index_t index)
|
|
{
|
|
uint64_t total = 0;
|
|
tr_file const* f = &tor->info.files[index];
|
|
|
|
if (f->length != 0)
|
|
{
|
|
tr_block_index_t first;
|
|
tr_block_index_t last;
|
|
tr_torGetFileBlockRange(tor, index, &first, &last);
|
|
|
|
if (first == last)
|
|
{
|
|
if (tr_torrentBlockIsComplete(tor, first))
|
|
{
|
|
total = f->length;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* the first block */
|
|
if (tr_torrentBlockIsComplete(tor, first))
|
|
{
|
|
total += tor->blockSize - f->offset % tor->blockSize;
|
|
}
|
|
|
|
/* the middle blocks */
|
|
if (first + 1 < last)
|
|
{
|
|
uint64_t u = tor->completion.blockBitfield->countRange(first + 1, last);
|
|
u *= tor->blockSize;
|
|
total += u;
|
|
}
|
|
|
|
/* the last block */
|
|
if (tr_torrentBlockIsComplete(tor, last))
|
|
{
|
|
total += f->offset + f->length - (uint64_t)tor->blockSize * last;
|
|
}
|
|
}
|
|
}
|
|
|
|
return total;
|
|
}
|
|
|
|
tr_file_stat* tr_torrentFiles(tr_torrent const* tor, tr_file_index_t* fileCount)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_file_index_t const n = tor->info.fileCount;
|
|
tr_file_stat* files = tr_new0(tr_file_stat, n);
|
|
tr_file_stat* walk = files;
|
|
bool const isSeed = tor->completeness == TR_SEED;
|
|
|
|
for (tr_file_index_t i = 0; i < n; ++i)
|
|
{
|
|
uint64_t const length = tor->info.files[i].length;
|
|
uint64_t const b = isSeed ? length : countFileBytesCompleted(tor, i);
|
|
walk->bytesCompleted = b;
|
|
walk->progress = length > 0 ? (float)b / (float)length : 1.0F;
|
|
++walk;
|
|
}
|
|
|
|
if (fileCount != nullptr)
|
|
{
|
|
*fileCount = n;
|
|
}
|
|
|
|
return files;
|
|
}
|
|
|
|
void tr_torrentFilesFree(tr_file_stat* files, [[maybe_unused]] tr_file_index_t fileCount)
|
|
{
|
|
tr_free(files);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
double* tr_torrentWebSpeeds_KBps(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tr_peerMgrWebSpeeds_KBps(tor);
|
|
}
|
|
|
|
tr_peer_stat* tr_torrentPeers(tr_torrent const* tor, int* peerCount)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tr_peerMgrPeerStats(tor, peerCount);
|
|
}
|
|
|
|
void tr_torrentPeersFree(tr_peer_stat* peers, [[maybe_unused]] int peerCount)
|
|
{
|
|
tr_free(peers);
|
|
}
|
|
|
|
tr_tracker_stat* tr_torrentTrackers(tr_torrent const* tor, int* setmeTrackerCount)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tr_announcerStats(tor, setmeTrackerCount);
|
|
}
|
|
|
|
void tr_torrentTrackersFree(tr_tracker_stat* trackers, int trackerCount)
|
|
{
|
|
tr_announcerStatsFree(trackers, trackerCount);
|
|
}
|
|
|
|
void tr_torrentAvailability(tr_torrent const* tor, int8_t* tab, int size)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tab != nullptr && size > 0)
|
|
{
|
|
tr_peerMgrTorrentAvailability(tor, tab, size);
|
|
}
|
|
}
|
|
|
|
void tr_torrentAmountFinished(tr_torrent const* tor, float* tab, int size)
|
|
{
|
|
tr_cpGetAmountDone(&tor->completion, tab, size);
|
|
}
|
|
|
|
static void tr_torrentResetTransferStats(tr_torrent* tor)
|
|
{
|
|
tr_torrentLock(tor);
|
|
|
|
tor->downloadedPrev += tor->downloadedCur;
|
|
tor->downloadedCur = 0;
|
|
tor->uploadedPrev += tor->uploadedCur;
|
|
tor->uploadedCur = 0;
|
|
tor->corruptPrev += tor->corruptCur;
|
|
tor->corruptCur = 0;
|
|
|
|
tr_torrentSetDirty(tor);
|
|
|
|
tr_torrentUnlock(tor);
|
|
}
|
|
|
|
void tr_torrentSetHasPiece(tr_torrent* tor, tr_piece_index_t pieceIndex, bool has)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(pieceIndex < tor->info.pieceCount);
|
|
|
|
if (has)
|
|
{
|
|
tr_cpPieceAdd(&tor->completion, pieceIndex);
|
|
}
|
|
else
|
|
{
|
|
tr_cpPieceRem(&tor->completion, pieceIndex);
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
#ifdef TR_ENABLE_ASSERTS
|
|
static bool queueIsSequenced(tr_session*);
|
|
#endif
|
|
|
|
static void freeTorrent(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(!tor->isRunning);
|
|
|
|
tr_session* session = tor->session;
|
|
tr_info* inf = &tor->info;
|
|
time_t const now = tr_time();
|
|
|
|
tr_sessionLock(session);
|
|
|
|
tr_peerMgrRemoveTorrent(tor);
|
|
|
|
tr_announcerRemoveTorrent(session->announcer, tor);
|
|
|
|
tr_cpDestruct(&tor->completion);
|
|
|
|
tr_free(tor->downloadDir);
|
|
tr_free(tor->incompleteDir);
|
|
|
|
tr_sessionRemoveTorrent(session, tor);
|
|
|
|
/* resequence the queue positions */
|
|
for (auto* t : session->torrents)
|
|
{
|
|
if (t->queuePosition > tor->queuePosition)
|
|
{
|
|
t->queuePosition--;
|
|
t->anyDate = now;
|
|
}
|
|
}
|
|
|
|
TR_ASSERT(queueIsSequenced(session));
|
|
|
|
delete tor->bandwidth;
|
|
|
|
tr_metainfoFree(inf);
|
|
delete tor;
|
|
|
|
tr_sessionUnlock(session);
|
|
}
|
|
|
|
/**
|
|
*** Start/Stop Callback
|
|
**/
|
|
|
|
static void torrentSetQueued(tr_torrent* tor, bool queued);
|
|
|
|
static void torrentStartImpl(void* vtor)
|
|
{
|
|
auto* tor = static_cast<tr_torrent*>(vtor);
|
|
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_sessionLock(tor->session);
|
|
|
|
tr_torrentRecheckCompleteness(tor);
|
|
torrentSetQueued(tor, false);
|
|
|
|
time_t const now = tr_time();
|
|
|
|
tor->isRunning = true;
|
|
tor->completeness = tr_cpGetStatus(&tor->completion);
|
|
tor->startDate = now;
|
|
tor->anyDate = now;
|
|
tr_torrentClearError(tor);
|
|
tor->finishedSeedingByIdle = false;
|
|
|
|
tr_torrentResetTransferStats(tor);
|
|
tr_announcerTorrentStarted(tor);
|
|
tor->dhtAnnounceAt = now + tr_rand_int_weak(20);
|
|
tor->dhtAnnounce6At = now + tr_rand_int_weak(20);
|
|
tor->lpdAnnounceAt = now;
|
|
tr_peerMgrStartTorrent(tor);
|
|
|
|
tr_sessionUnlock(tor->session);
|
|
}
|
|
|
|
uint64_t tr_torrentGetCurrentSizeOnDisk(tr_torrent const* tor)
|
|
{
|
|
uint64_t byte_count = 0;
|
|
tr_file_index_t const n = tor->info.fileCount;
|
|
|
|
for (tr_file_index_t i = 0; i < n; ++i)
|
|
{
|
|
tr_sys_path_info info;
|
|
char* filename = tr_torrentFindFile(tor, i);
|
|
|
|
if (filename != nullptr && tr_sys_path_get_info(filename, 0, &info, nullptr))
|
|
{
|
|
byte_count += info.size;
|
|
}
|
|
|
|
tr_free(filename);
|
|
}
|
|
|
|
return byte_count;
|
|
}
|
|
|
|
static bool torrentShouldQueue(tr_torrent const* tor)
|
|
{
|
|
tr_direction const dir = tr_torrentGetQueueDirection(tor);
|
|
|
|
return tr_sessionCountQueueFreeSlots(tor->session, dir) == 0;
|
|
}
|
|
|
|
static void torrentStart(tr_torrent* tor, bool bypass_queue)
|
|
{
|
|
switch (tr_torrentGetActivity(tor))
|
|
{
|
|
case TR_STATUS_SEED:
|
|
case TR_STATUS_DOWNLOAD:
|
|
return; /* already started */
|
|
|
|
case TR_STATUS_SEED_WAIT:
|
|
case TR_STATUS_DOWNLOAD_WAIT:
|
|
if (!bypass_queue)
|
|
{
|
|
return; /* already queued */
|
|
}
|
|
|
|
break;
|
|
|
|
case TR_STATUS_CHECK:
|
|
case TR_STATUS_CHECK_WAIT:
|
|
/* verifying right now... wait until that's done so
|
|
* we'll know what completeness to use/announce */
|
|
tor->startAfterVerify = true;
|
|
return;
|
|
|
|
case TR_STATUS_STOPPED:
|
|
if (!bypass_queue && torrentShouldQueue(tor))
|
|
{
|
|
torrentSetQueued(tor, true);
|
|
return;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
/* don't allow the torrent to be started if the files disappeared */
|
|
if (setLocalErrorIfFilesDisappeared(tor))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* otherwise, start it now... */
|
|
tr_sessionLock(tor->session);
|
|
|
|
/* allow finished torrents to be resumed */
|
|
if (tr_torrentIsSeedRatioDone(tor))
|
|
{
|
|
tr_logAddTorInfo(tor, "%s", _("Restarted manually -- disabling its seed ratio"));
|
|
tr_torrentSetRatioMode(tor, TR_RATIOLIMIT_UNLIMITED);
|
|
}
|
|
|
|
/* corresponds to the peer_id sent as a tracker request parameter.
|
|
* one tracker admin says: "When the same torrent is opened and
|
|
* closed and opened again without quitting Transmission ...
|
|
* change the peerid. It would help sometimes if a stopped event
|
|
* was missed to ensure that we didn't think someone was cheating. */
|
|
tr_torrentUnsetPeerId(tor);
|
|
tor->isRunning = true;
|
|
tr_torrentSetDirty(tor);
|
|
tr_runInEventThread(tor->session, torrentStartImpl, tor);
|
|
|
|
tr_sessionUnlock(tor->session);
|
|
}
|
|
|
|
void tr_torrentStart(tr_torrent* tor)
|
|
{
|
|
if (tr_isTorrent(tor))
|
|
{
|
|
torrentStart(tor, false);
|
|
}
|
|
}
|
|
|
|
void tr_torrentStartNow(tr_torrent* tor)
|
|
{
|
|
if (tr_isTorrent(tor))
|
|
{
|
|
torrentStart(tor, true);
|
|
}
|
|
}
|
|
|
|
struct verify_data
|
|
{
|
|
bool aborted;
|
|
tr_torrent* tor;
|
|
tr_verify_done_func callback_func;
|
|
void* callback_data;
|
|
};
|
|
|
|
static void onVerifyDoneThreadFunc(void* vdata)
|
|
{
|
|
auto* data = static_cast<struct verify_data*>(vdata);
|
|
tr_torrent* tor = data->tor;
|
|
|
|
if (!tor->isDeleting)
|
|
{
|
|
if (!data->aborted)
|
|
{
|
|
tr_torrentRecheckCompleteness(tor);
|
|
}
|
|
|
|
if (data->callback_func != nullptr)
|
|
{
|
|
(*data->callback_func)(tor, data->aborted, data->callback_data);
|
|
}
|
|
|
|
if (!data->aborted && tor->startAfterVerify)
|
|
{
|
|
tor->startAfterVerify = false;
|
|
torrentStart(tor, false);
|
|
}
|
|
}
|
|
|
|
tr_free(data);
|
|
}
|
|
|
|
static void onVerifyDone(tr_torrent* tor, bool aborted, void* vdata)
|
|
{
|
|
auto* data = static_cast<struct verify_data*>(vdata);
|
|
|
|
TR_ASSERT(data->tor == tor);
|
|
|
|
if (tor->isDeleting)
|
|
{
|
|
tr_free(data);
|
|
return;
|
|
}
|
|
|
|
data->aborted = aborted;
|
|
tr_runInEventThread(tor->session, onVerifyDoneThreadFunc, data);
|
|
}
|
|
|
|
static void verifyTorrent(void* vdata)
|
|
{
|
|
auto* data = static_cast<struct verify_data*>(vdata);
|
|
bool startAfter;
|
|
tr_torrent* tor = data->tor;
|
|
tr_sessionLock(tor->session);
|
|
|
|
if (tor->isDeleting)
|
|
{
|
|
tr_free(data);
|
|
goto unlock;
|
|
}
|
|
|
|
/* if the torrent's already being verified, stop it */
|
|
tr_verifyRemove(tor);
|
|
|
|
startAfter = (tor->isRunning || tor->startAfterVerify) && !tor->isStopping;
|
|
|
|
if (tor->isRunning)
|
|
{
|
|
tr_torrentStop(tor);
|
|
}
|
|
|
|
tor->startAfterVerify = startAfter;
|
|
|
|
if (setLocalErrorIfFilesDisappeared(tor))
|
|
{
|
|
tor->startAfterVerify = false;
|
|
}
|
|
else
|
|
{
|
|
tr_verifyAdd(tor, onVerifyDone, data);
|
|
}
|
|
|
|
unlock:
|
|
tr_sessionUnlock(tor->session);
|
|
}
|
|
|
|
void tr_torrentVerify(tr_torrent* tor, tr_verify_done_func callback_func, void* callback_data)
|
|
{
|
|
struct verify_data* const data = tr_new(struct verify_data, 1);
|
|
data->tor = tor;
|
|
data->aborted = false;
|
|
data->callback_func = callback_func;
|
|
data->callback_data = callback_data;
|
|
tr_runInEventThread(tor->session, verifyTorrent, data);
|
|
}
|
|
|
|
void tr_torrentSave(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->isDirty)
|
|
{
|
|
tor->isDirty = false;
|
|
tr_torrentSaveResume(tor);
|
|
}
|
|
}
|
|
|
|
static void stopTorrent(void* vtor)
|
|
{
|
|
auto* tor = static_cast<tr_torrent*>(vtor);
|
|
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_logAddTorInfo(tor, "%s", "Pausing");
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
tr_verifyRemove(tor);
|
|
tr_peerMgrStopTorrent(tor);
|
|
tr_announcerTorrentStopped(tor);
|
|
tr_cacheFlushTorrent(tor->session->cache, tor);
|
|
|
|
tr_fdTorrentClose(tor->session, tor->uniqueId);
|
|
|
|
if (!tor->isDeleting)
|
|
{
|
|
tr_torrentSave(tor);
|
|
}
|
|
|
|
torrentSetQueued(tor, false);
|
|
|
|
tr_torrentUnlock(tor);
|
|
|
|
if (tor->magnetVerify)
|
|
{
|
|
tor->magnetVerify = false;
|
|
tr_logAddTorInfo(tor, "%s", "Magnet Verify");
|
|
refreshCurrentDir(tor);
|
|
tr_torrentVerify(tor, nullptr, nullptr);
|
|
|
|
callScriptIfEnabled(tor, TR_SCRIPT_ON_TORRENT_ADDED);
|
|
}
|
|
}
|
|
|
|
void tr_torrentStop(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tr_isTorrent(tor))
|
|
{
|
|
tr_sessionLock(tor->session);
|
|
|
|
tor->isRunning = false;
|
|
tor->isStopping = false;
|
|
tor->prefetchMagnetMetadata = false;
|
|
tr_torrentSetDirty(tor);
|
|
tr_runInEventThread(tor->session, stopTorrent, tor);
|
|
|
|
tr_sessionUnlock(tor->session);
|
|
}
|
|
}
|
|
|
|
static void closeTorrent(void* vtor)
|
|
{
|
|
auto* tor = static_cast<tr_torrent*>(vtor);
|
|
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_variant* d = tr_variantListAddDict(&tor->session->removedTorrents, 2);
|
|
tr_variantDictAddInt(d, TR_KEY_id, tor->uniqueId);
|
|
tr_variantDictAddInt(d, TR_KEY_date, tr_time());
|
|
|
|
tr_logAddTorInfo(tor, "%s", _("Removing torrent"));
|
|
|
|
tor->magnetVerify = false;
|
|
stopTorrent(tor);
|
|
|
|
if (tor->isDeleting)
|
|
{
|
|
tr_metainfoRemoveSaved(tor->session, &tor->info);
|
|
tr_torrentRemoveResume(tor);
|
|
}
|
|
|
|
tor->isRunning = false;
|
|
freeTorrent(tor);
|
|
}
|
|
|
|
void tr_torrentFree(tr_torrent* tor)
|
|
{
|
|
if (tr_isTorrent(tor))
|
|
{
|
|
tr_session* session = tor->session;
|
|
|
|
TR_ASSERT(tr_isSession(session));
|
|
|
|
tr_sessionLock(session);
|
|
|
|
tr_torrentClearCompletenessCallback(tor);
|
|
tr_runInEventThread(session, closeTorrent, tor);
|
|
|
|
tr_sessionUnlock(session);
|
|
}
|
|
}
|
|
|
|
struct remove_data
|
|
{
|
|
tr_torrent* tor;
|
|
bool deleteFlag;
|
|
tr_fileFunc deleteFunc;
|
|
};
|
|
|
|
static void tr_torrentDeleteLocalData(tr_torrent*, tr_fileFunc);
|
|
|
|
static void removeTorrent(void* vdata)
|
|
{
|
|
auto* data = static_cast<struct remove_data*>(vdata);
|
|
tr_session* session = data->tor->session;
|
|
tr_sessionLock(session);
|
|
|
|
if (data->deleteFlag)
|
|
{
|
|
tr_torrentDeleteLocalData(data->tor, data->deleteFunc);
|
|
}
|
|
|
|
tr_torrentClearCompletenessCallback(data->tor);
|
|
closeTorrent(data->tor);
|
|
tr_free(data);
|
|
|
|
tr_sessionUnlock(session);
|
|
}
|
|
|
|
void tr_torrentRemove(tr_torrent* tor, bool deleteFlag, tr_fileFunc deleteFunc)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->isDeleting = true;
|
|
|
|
struct remove_data* data = tr_new0(struct remove_data, 1);
|
|
data->tor = tor;
|
|
data->deleteFlag = deleteFlag;
|
|
data->deleteFunc = deleteFunc;
|
|
tr_runInEventThread(tor->session, removeTorrent, data);
|
|
}
|
|
|
|
/**
|
|
*** Completeness
|
|
**/
|
|
|
|
static char const* getCompletionString(int type)
|
|
{
|
|
switch (type)
|
|
{
|
|
case TR_PARTIAL_SEED:
|
|
/* Translators: this is a minor point that's safe to skip over, but FYI:
|
|
"Complete" and "Done" are specific, different terms in Transmission:
|
|
"Complete" means we've downloaded every file in the torrent.
|
|
"Done" means we're done downloading the files we wanted, but NOT all
|
|
that exist */
|
|
return _("Done");
|
|
|
|
case TR_SEED:
|
|
return _("Complete");
|
|
|
|
default:
|
|
return _("Incomplete");
|
|
}
|
|
}
|
|
|
|
static void fireCompletenessChange(tr_torrent* tor, tr_completeness status, bool wasRunning)
|
|
{
|
|
TR_ASSERT(status == TR_LEECH || status == TR_SEED || status == TR_PARTIAL_SEED);
|
|
|
|
if (tor->completeness_func != nullptr)
|
|
{
|
|
(*tor->completeness_func)(tor, status, wasRunning, tor->completeness_func_user_data);
|
|
}
|
|
}
|
|
|
|
void tr_torrentSetCompletenessCallback(tr_torrent* tor, tr_torrent_completeness_func func, void* user_data)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->completeness_func = func;
|
|
tor->completeness_func_user_data = user_data;
|
|
}
|
|
|
|
void tr_torrentClearCompletenessCallback(tr_torrent* torrent)
|
|
{
|
|
tr_torrentSetCompletenessCallback(torrent, nullptr, nullptr);
|
|
}
|
|
|
|
void tr_torrentSetRatioLimitHitCallback(tr_torrent* tor, tr_torrent_ratio_limit_hit_func func, void* user_data)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->ratio_limit_hit_func = func;
|
|
tor->ratio_limit_hit_func_user_data = user_data;
|
|
}
|
|
|
|
void tr_torrentClearRatioLimitHitCallback(tr_torrent* torrent)
|
|
{
|
|
tr_torrentSetRatioLimitHitCallback(torrent, nullptr, nullptr);
|
|
}
|
|
|
|
void tr_torrentSetIdleLimitHitCallback(tr_torrent* tor, tr_torrent_idle_limit_hit_func func, void* user_data)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->idle_limit_hit_func = func;
|
|
tor->idle_limit_hit_func_user_data = user_data;
|
|
}
|
|
|
|
void tr_torrentClearIdleLimitHitCallback(tr_torrent* torrent)
|
|
{
|
|
tr_torrentSetIdleLimitHitCallback(torrent, nullptr, nullptr);
|
|
}
|
|
|
|
static std::string buildLabelsString(tr_torrent const* tor)
|
|
{
|
|
auto buf = std::stringstream{};
|
|
|
|
for (auto it = std::begin(tor->labels), end = std::end(tor->labels); it != end;)
|
|
{
|
|
buf << *it;
|
|
|
|
if (++it != end)
|
|
{
|
|
buf << ',';
|
|
}
|
|
}
|
|
|
|
return buf.str();
|
|
}
|
|
|
|
static void torrentCallScript(tr_torrent const* tor, char const* script)
|
|
{
|
|
if (tr_str_is_empty(script))
|
|
{
|
|
return;
|
|
}
|
|
|
|
time_t const now = tr_time();
|
|
struct tm tm;
|
|
char ctime_str[32];
|
|
tr_localtime_r(&now, &tm);
|
|
strftime(ctime_str, sizeof(ctime_str), "%a %b %2e %T %Y%n", &tm); /* ctime equiv */
|
|
|
|
char* const torrent_dir = tr_sys_path_native_separators(tr_strdup(tor->currentDir));
|
|
|
|
char* const cmd[] = {
|
|
tr_strdup(script),
|
|
nullptr,
|
|
};
|
|
|
|
char* const env[] = {
|
|
tr_strdup_printf("TR_APP_VERSION=%s", SHORT_VERSION_STRING),
|
|
tr_strdup_printf("TR_TIME_LOCALTIME=%s", ctime_str),
|
|
tr_strdup_printf("TR_TORRENT_DIR=%s", torrent_dir),
|
|
tr_strdup_printf("TR_TORRENT_HASH=%s", tor->info.hashString),
|
|
tr_strdup_printf("TR_TORRENT_ID=%d", tr_torrentId(tor)),
|
|
tr_strdup_printf("TR_TORRENT_NAME=%s", tr_torrentName(tor)),
|
|
tr_strdup_printf("TR_TORRENT_LABELS=%s", buildLabelsString(tor).c_str()),
|
|
nullptr,
|
|
};
|
|
|
|
tr_logAddTorInfo(tor, "Calling script \"%s\"", script);
|
|
|
|
tr_error* error = nullptr;
|
|
|
|
if (!tr_spawn_async(cmd, env, TR_IF_WIN32("\\", "/"), &error))
|
|
{
|
|
tr_logAddTorErr(tor, "Error executing script \"%s\" (%d): %s", script, error->code, error->message);
|
|
tr_error_free(error);
|
|
}
|
|
|
|
tr_free_ptrv((void* const*)env);
|
|
tr_free_ptrv((void* const*)cmd);
|
|
tr_free(torrent_dir);
|
|
}
|
|
|
|
void tr_torrentRecheckCompleteness(tr_torrent* tor)
|
|
{
|
|
tr_completeness completeness;
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
completeness = tr_cpGetStatus(&tor->completion);
|
|
|
|
if (completeness != tor->completeness)
|
|
{
|
|
bool const recentChange = tor->downloadedCur != 0;
|
|
bool const wasLeeching = !tr_torrentIsSeed(tor);
|
|
bool const wasRunning = tor->isRunning;
|
|
|
|
if (recentChange)
|
|
{
|
|
tr_logAddTorInfo(
|
|
tor,
|
|
_("State changed from \"%1$s\" to \"%2$s\""),
|
|
getCompletionString(tor->completeness),
|
|
getCompletionString(completeness));
|
|
}
|
|
|
|
tor->completeness = completeness;
|
|
tr_fdTorrentClose(tor->session, tor->uniqueId);
|
|
|
|
if (tr_torrentIsSeed(tor))
|
|
{
|
|
if (recentChange)
|
|
{
|
|
tr_announcerTorrentCompleted(tor);
|
|
tor->doneDate = tor->anyDate = tr_time();
|
|
}
|
|
|
|
if (wasLeeching && wasRunning)
|
|
{
|
|
/* clear interested flag on all peers */
|
|
tr_peerMgrClearInterest(tor);
|
|
}
|
|
|
|
if (tor->currentDir == tor->incompleteDir)
|
|
{
|
|
tr_torrentSetLocation(tor, tor->downloadDir, true, nullptr, nullptr);
|
|
}
|
|
}
|
|
|
|
fireCompletenessChange(tor, completeness, wasRunning);
|
|
|
|
if (tr_torrentIsSeed(tor) && wasLeeching && wasRunning)
|
|
{
|
|
/* if completeness was TR_LEECH, the seed limit check
|
|
will have been skipped in bandwidthPulse */
|
|
tr_torrentCheckSeedLimit(tor);
|
|
}
|
|
|
|
tr_torrentSetDirty(tor);
|
|
|
|
if (tr_torrentIsSeed(tor))
|
|
{
|
|
tr_torrentSave(tor);
|
|
callScriptIfEnabled(tor, TR_SCRIPT_ON_TORRENT_DONE);
|
|
}
|
|
}
|
|
|
|
tr_torrentUnlock(tor);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static void tr_torrentFireMetadataCompleted(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->metadata_func != nullptr)
|
|
{
|
|
(*tor->metadata_func)(tor, tor->metadata_func_user_data);
|
|
}
|
|
}
|
|
|
|
void tr_torrentSetMetadataCallback(tr_torrent* tor, tr_torrent_metadata_func func, void* user_data)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->metadata_func = func;
|
|
tor->metadata_func_user_data = user_data;
|
|
}
|
|
|
|
/**
|
|
*** File priorities
|
|
**/
|
|
|
|
void tr_torrentInitFilePriority(tr_torrent* tor, tr_file_index_t fileIndex, tr_priority_t priority)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(fileIndex < tor->info.fileCount);
|
|
TR_ASSERT(tr_isPriority(priority));
|
|
|
|
tr_file* file = &tor->info.files[fileIndex];
|
|
|
|
file->priority = priority;
|
|
|
|
for (tr_piece_index_t i = file->firstPiece; i <= file->lastPiece; ++i)
|
|
{
|
|
tor->info.pieces[i].priority = calculatePiecePriority(tor, i, fileIndex);
|
|
}
|
|
}
|
|
|
|
void tr_torrentSetFilePriorities(
|
|
tr_torrent* tor,
|
|
tr_file_index_t const* files,
|
|
tr_file_index_t fileCount,
|
|
tr_priority_t priority)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
for (tr_file_index_t i = 0; i < fileCount; ++i)
|
|
{
|
|
if (files[i] < tor->info.fileCount)
|
|
{
|
|
tr_torrentInitFilePriority(tor, files[i], priority);
|
|
}
|
|
}
|
|
|
|
tr_torrentSetDirty(tor);
|
|
tr_peerMgrRebuildRequests(tor);
|
|
|
|
tr_torrentUnlock(tor);
|
|
}
|
|
|
|
tr_priority_t* tr_torrentGetFilePriorities(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_priority_t* p = tr_new0(tr_priority_t, tor->info.fileCount);
|
|
|
|
for (tr_file_index_t i = 0; i < tor->info.fileCount; ++i)
|
|
{
|
|
p[i] = tor->info.files[i].priority;
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
/**
|
|
*** File DND
|
|
**/
|
|
|
|
static void setFileDND(tr_torrent* tor, tr_file_index_t fileIndex, bool doDownload)
|
|
{
|
|
bool const dnd = !doDownload;
|
|
tr_piece_index_t firstPiece;
|
|
bool firstPieceDND;
|
|
tr_piece_index_t lastPiece;
|
|
bool lastPieceDND;
|
|
tr_file* file = &tor->info.files[fileIndex];
|
|
|
|
file->dnd = dnd;
|
|
firstPiece = file->firstPiece;
|
|
lastPiece = file->lastPiece;
|
|
|
|
/* can't set the first piece to DND unless
|
|
every file using that piece is DND */
|
|
firstPieceDND = dnd;
|
|
|
|
if (fileIndex > 0)
|
|
{
|
|
for (tr_file_index_t i = fileIndex - 1; firstPieceDND; --i)
|
|
{
|
|
if (tor->info.files[i].lastPiece != firstPiece)
|
|
{
|
|
break;
|
|
}
|
|
|
|
firstPieceDND = tor->info.files[i].dnd;
|
|
|
|
if (i == 0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* can't set the last piece to DND unless
|
|
every file using that piece is DND */
|
|
lastPieceDND = dnd;
|
|
|
|
for (tr_file_index_t i = fileIndex + 1; lastPieceDND && i < tor->info.fileCount; ++i)
|
|
{
|
|
if (tor->info.files[i].firstPiece != lastPiece)
|
|
{
|
|
break;
|
|
}
|
|
|
|
lastPieceDND = tor->info.files[i].dnd;
|
|
}
|
|
|
|
if (firstPiece == lastPiece)
|
|
{
|
|
tor->info.pieces[firstPiece].dnd = firstPieceDND && lastPieceDND;
|
|
}
|
|
else
|
|
{
|
|
tor->info.pieces[firstPiece].dnd = firstPieceDND;
|
|
tor->info.pieces[lastPiece].dnd = lastPieceDND;
|
|
|
|
for (tr_piece_index_t pp = firstPiece + 1; pp < lastPiece; ++pp)
|
|
{
|
|
tor->info.pieces[pp].dnd = dnd;
|
|
}
|
|
}
|
|
}
|
|
|
|
void tr_torrentInitFileDLs(tr_torrent* tor, tr_file_index_t const* files, tr_file_index_t fileCount, bool doDownload)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
for (tr_file_index_t i = 0; i < fileCount; ++i)
|
|
{
|
|
if (files[i] < tor->info.fileCount)
|
|
{
|
|
setFileDND(tor, files[i], doDownload);
|
|
}
|
|
}
|
|
|
|
tr_cpInvalidateDND(&tor->completion);
|
|
|
|
tr_torrentUnlock(tor);
|
|
}
|
|
|
|
void tr_torrentSetFileDLs(tr_torrent* tor, tr_file_index_t const* files, tr_file_index_t fileCount, bool doDownload)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
tr_torrentInitFileDLs(tor, files, fileCount, doDownload);
|
|
tr_torrentSetDirty(tor);
|
|
tr_torrentRecheckCompleteness(tor);
|
|
tr_peerMgrRebuildRequests(tor);
|
|
|
|
tr_torrentUnlock(tor);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_torrentSetLabels(tr_torrent* tor, tr_labels_t&& labels)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
tor->labels = std::move(labels);
|
|
tr_torrentSetDirty(tor);
|
|
|
|
tr_torrentUnlock(tor);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
tr_priority_t tr_torrentGetPriority(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->bandwidth->getPriority();
|
|
}
|
|
|
|
void tr_torrentSetPriority(tr_torrent* tor, tr_priority_t priority)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(tr_isPriority(priority));
|
|
|
|
if (tor->bandwidth->getPriority() != priority)
|
|
{
|
|
tor->bandwidth->setPriority(priority);
|
|
|
|
tr_torrentSetDirty(tor);
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_torrentSetPeerLimit(tr_torrent* tor, uint16_t maxConnectedPeers)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->maxConnectedPeers != maxConnectedPeers)
|
|
{
|
|
tor->maxConnectedPeers = maxConnectedPeers;
|
|
|
|
tr_torrentSetDirty(tor);
|
|
}
|
|
}
|
|
|
|
uint16_t tr_torrentGetPeerLimit(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->maxConnectedPeers;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_torrentGetBlockLocation(
|
|
tr_torrent const* tor,
|
|
tr_block_index_t block,
|
|
tr_piece_index_t* piece,
|
|
uint32_t* offset,
|
|
uint32_t* length)
|
|
{
|
|
uint64_t pos = block;
|
|
pos *= tor->blockSize;
|
|
*piece = pos / tor->info.pieceSize;
|
|
uint64_t piece_begin = tor->info.pieceSize;
|
|
piece_begin *= *piece;
|
|
*offset = pos - piece_begin;
|
|
*length = tr_torBlockCountBytes(tor, block);
|
|
}
|
|
|
|
tr_block_index_t _tr_block(tr_torrent const* tor, tr_piece_index_t index, uint32_t offset)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_block_index_t ret = 0;
|
|
|
|
if (tor->blockSize > 0)
|
|
{
|
|
ret = index;
|
|
ret *= tor->info.pieceSize / tor->blockSize;
|
|
ret += offset / tor->blockSize;
|
|
}
|
|
else
|
|
{
|
|
tr_logAddTorErr(tor, "Cannot calculate block number when blockSize is zero");
|
|
TR_ASSERT(tor->blockSize > 0);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool tr_torrentReqIsValid(tr_torrent const* tor, tr_piece_index_t index, uint32_t offset, uint32_t length)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
int err = 0;
|
|
|
|
if (index >= tor->info.pieceCount)
|
|
{
|
|
err = 1;
|
|
}
|
|
else if (length < 1)
|
|
{
|
|
err = 2;
|
|
}
|
|
else if (offset + length > tr_torPieceCountBytes(tor, index))
|
|
{
|
|
err = 3;
|
|
}
|
|
else if (length > MAX_BLOCK_SIZE)
|
|
{
|
|
err = 4;
|
|
}
|
|
else if (tr_pieceOffset(tor, index, offset, length) > tor->info.totalSize)
|
|
{
|
|
err = 5;
|
|
}
|
|
|
|
if (err != 0)
|
|
{
|
|
tr_logAddTorDbg(
|
|
tor,
|
|
"index %lu offset %lu length %lu err %d\n",
|
|
(unsigned long)index,
|
|
(unsigned long)offset,
|
|
(unsigned long)length,
|
|
err);
|
|
}
|
|
|
|
return err == 0;
|
|
}
|
|
|
|
uint64_t tr_pieceOffset(tr_torrent const* tor, tr_piece_index_t index, uint32_t offset, uint32_t length)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
uint64_t ret;
|
|
|
|
ret = tor->info.pieceSize;
|
|
ret *= index;
|
|
ret += offset;
|
|
ret += length;
|
|
return ret;
|
|
}
|
|
|
|
void tr_torGetFileBlockRange(tr_torrent const* tor, tr_file_index_t const file, tr_block_index_t* first, tr_block_index_t* last)
|
|
{
|
|
tr_file const* f = &tor->info.files[file];
|
|
uint64_t offset = f->offset;
|
|
|
|
*first = offset / tor->blockSize;
|
|
|
|
if (f->length == 0)
|
|
{
|
|
*last = *first;
|
|
}
|
|
else
|
|
{
|
|
offset += f->length - 1;
|
|
*last = offset / tor->blockSize;
|
|
}
|
|
}
|
|
|
|
void tr_torGetPieceBlockRange(
|
|
tr_torrent const* tor,
|
|
tr_piece_index_t const piece,
|
|
tr_block_index_t* first,
|
|
tr_block_index_t* last)
|
|
{
|
|
uint64_t offset = tor->info.pieceSize;
|
|
offset *= piece;
|
|
*first = offset / tor->blockSize;
|
|
offset += tr_torPieceCountBytes(tor, piece) - 1;
|
|
*last = offset / tor->blockSize;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_torrentSetPieceChecked(tr_torrent* tor, tr_piece_index_t pieceIndex)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(pieceIndex < tor->info.pieceCount);
|
|
|
|
tor->info.pieces[pieceIndex].timeChecked = tr_time();
|
|
}
|
|
|
|
void tr_torrentSetChecked(tr_torrent* tor, time_t when)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
for (tr_piece_index_t i = 0; i < tor->info.pieceCount; ++i)
|
|
{
|
|
tor->info.pieces[i].timeChecked = when;
|
|
}
|
|
}
|
|
|
|
bool tr_torrentCheckPiece(tr_torrent* tor, tr_piece_index_t pieceIndex)
|
|
{
|
|
bool const pass = tr_ioTestPiece(tor, pieceIndex);
|
|
|
|
tr_deeplog_tor(tor, "[LAZY] tr_torrentCheckPiece tested piece %zu, pass==%d", (size_t)pieceIndex, (int)pass);
|
|
tr_torrentSetHasPiece(tor, pieceIndex, pass);
|
|
tr_torrentSetPieceChecked(tor, pieceIndex);
|
|
tor->anyDate = tr_time();
|
|
tr_torrentSetDirty(tor);
|
|
|
|
return pass;
|
|
}
|
|
|
|
time_t tr_torrentGetFileMTime(tr_torrent const* tor, tr_file_index_t i)
|
|
{
|
|
time_t mtime = 0;
|
|
|
|
if (!tr_fdFileGetCachedMTime(tor->session, tor->uniqueId, i, &mtime))
|
|
{
|
|
tr_torrentFindFile2(tor, i, nullptr, nullptr, &mtime);
|
|
}
|
|
|
|
return mtime;
|
|
}
|
|
|
|
bool tr_torrentPieceNeedsCheck(tr_torrent const* tor, tr_piece_index_t p)
|
|
{
|
|
tr_info const* const inf = tr_torrentInfo(tor);
|
|
if (inf == nullptr)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/* if we've never checked this piece, then it needs to be checked */
|
|
if (inf->pieces[p].timeChecked == 0)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/* If we think we've completed one of the files in this piece,
|
|
* but it's been modified since we last checked it,
|
|
* then it needs to be rechecked */
|
|
tr_file_index_t f;
|
|
uint64_t unused;
|
|
tr_ioFindFileLocation(tor, p, 0, &f, &unused);
|
|
|
|
for (tr_file_index_t i = f; i < inf->fileCount && pieceHasFile(p, &inf->files[i]); ++i)
|
|
{
|
|
if (tr_cpFileIsComplete(&tor->completion, i) && (tr_torrentGetFileMTime(tor, i) > inf->pieces[p].timeChecked))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static int compareTrackerByTier(void const* va, void const* vb)
|
|
{
|
|
auto const* const a = static_cast<tr_tracker_info const*>(va);
|
|
auto const* const b = static_cast<tr_tracker_info const*>(vb);
|
|
|
|
/* sort by tier */
|
|
if (a->tier != b->tier)
|
|
{
|
|
return a->tier - b->tier;
|
|
}
|
|
|
|
/* get the effects of a stable sort by comparing the two elements' addresses */
|
|
return a - b;
|
|
}
|
|
|
|
bool tr_torrentSetAnnounceList(tr_torrent* tor, tr_tracker_info const* trackers_in, int trackerCount)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
tr_variant metainfo;
|
|
bool ok = true;
|
|
|
|
/* ensure the trackers' tiers are in ascending order */
|
|
auto* trackers = static_cast<tr_tracker_info*>(tr_memdup(trackers_in, sizeof(tr_tracker_info) * trackerCount));
|
|
qsort(trackers, trackerCount, sizeof(tr_tracker_info), compareTrackerByTier);
|
|
|
|
/* look for bad URLs */
|
|
for (int i = 0; ok && i < trackerCount; ++i)
|
|
{
|
|
if (!tr_urlIsValidTracker(trackers[i].announce))
|
|
{
|
|
ok = false;
|
|
}
|
|
}
|
|
|
|
/* save to the .torrent file */
|
|
if (ok && tr_variantFromFile(&metainfo, TR_VARIANT_FMT_BENC, tor->info.torrent, nullptr))
|
|
{
|
|
bool hasInfo;
|
|
tr_info tmpInfo;
|
|
|
|
/* remove the old fields */
|
|
tr_variantDictRemove(&metainfo, TR_KEY_announce);
|
|
tr_variantDictRemove(&metainfo, TR_KEY_announce_list);
|
|
|
|
/* add the new fields */
|
|
if (trackerCount > 0)
|
|
{
|
|
tr_variantDictAddStr(&metainfo, TR_KEY_announce, trackers[0].announce);
|
|
}
|
|
|
|
if (trackerCount > 1)
|
|
{
|
|
int prevTier = -1;
|
|
tr_variant* tier = nullptr;
|
|
tr_variant* announceList = tr_variantDictAddList(&metainfo, TR_KEY_announce_list, 0);
|
|
|
|
for (int i = 0; i < trackerCount; ++i)
|
|
{
|
|
if (prevTier != trackers[i].tier)
|
|
{
|
|
prevTier = trackers[i].tier;
|
|
tier = tr_variantListAddList(announceList, 0);
|
|
}
|
|
|
|
tr_variantListAddStr(tier, trackers[i].announce);
|
|
}
|
|
}
|
|
|
|
/* try to parse it back again, to make sure it's good */
|
|
memset(&tmpInfo, 0, sizeof(tr_info));
|
|
|
|
if (tr_metainfoParse(tor->session, &metainfo, &tmpInfo, &hasInfo, &tor->infoDictLength))
|
|
{
|
|
/* it's good, so keep these new trackers and free the old ones */
|
|
|
|
tr_info swap;
|
|
swap.trackers = tor->info.trackers;
|
|
swap.trackerCount = tor->info.trackerCount;
|
|
tor->info.trackers = tmpInfo.trackers;
|
|
tor->info.trackerCount = tmpInfo.trackerCount;
|
|
tmpInfo.trackers = swap.trackers;
|
|
tmpInfo.trackerCount = swap.trackerCount;
|
|
tr_torrentMarkEdited(tor);
|
|
|
|
tr_metainfoFree(&tmpInfo);
|
|
tr_variantToFile(&metainfo, TR_VARIANT_FMT_BENC, tor->info.torrent);
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_variantFree(&metainfo);
|
|
|
|
/* if we had a tracker-related error on this torrent,
|
|
* and that tracker's been removed,
|
|
* then clear the error */
|
|
if (tor->error == TR_STAT_TRACKER_WARNING || tor->error == TR_STAT_TRACKER_ERROR)
|
|
{
|
|
bool clear = true;
|
|
|
|
for (int i = 0; clear && i < trackerCount; ++i)
|
|
{
|
|
if (strcmp(trackers[i].announce, tor->errorTracker) == 0)
|
|
{
|
|
clear = false;
|
|
}
|
|
}
|
|
|
|
if (clear)
|
|
{
|
|
tr_torrentClearError(tor);
|
|
}
|
|
}
|
|
|
|
/* tell the announcer to reload this torrent's tracker list */
|
|
tr_announcerResetTorrent(tor->session->announcer, tor);
|
|
}
|
|
|
|
tr_torrentUnlock(tor);
|
|
|
|
tr_free(trackers);
|
|
return ok;
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
#define BACK_COMPAT_FUNC(oldname, newname) \
|
|
void oldname(tr_torrent* tor, time_t t) \
|
|
{ \
|
|
newname(tor, t); \
|
|
}
|
|
BACK_COMPAT_FUNC(tr_torrentSetAddedDate, tr_torrentSetDateAdded)
|
|
BACK_COMPAT_FUNC(tr_torrentSetActivityDate, tr_torrentSetDateActive)
|
|
BACK_COMPAT_FUNC(tr_torrentSetDoneDate, tr_torrentSetDateDone)
|
|
#undef BACK_COMPAT_FUNC
|
|
|
|
void tr_torrentSetDateAdded(tr_torrent* tor, time_t t)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->addedDate = t;
|
|
tor->anyDate = std::max(tor->anyDate, tor->addedDate);
|
|
}
|
|
|
|
void tr_torrentSetDateActive(tr_torrent* tor, time_t t)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->activityDate = t;
|
|
tor->anyDate = std::max(tor->anyDate, tor->activityDate);
|
|
}
|
|
|
|
void tr_torrentSetDateDone(tr_torrent* tor, time_t t)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->doneDate = t;
|
|
tor->anyDate = std::max(tor->anyDate, tor->doneDate);
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
uint64_t tr_torrentGetBytesLeftToAllocate(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
uint64_t bytesLeft = 0;
|
|
|
|
for (tr_file_index_t i = 0; i < tor->info.fileCount; ++i)
|
|
{
|
|
if (!tor->info.files[i].dnd)
|
|
{
|
|
tr_sys_path_info info;
|
|
uint64_t const length = tor->info.files[i].length;
|
|
char* path = tr_torrentFindFile(tor, i);
|
|
|
|
bytesLeft += length;
|
|
|
|
if (path != nullptr && tr_sys_path_get_info(path, 0, &info, nullptr) && info.type == TR_SYS_PATH_IS_FILE &&
|
|
info.size <= length)
|
|
{
|
|
bytesLeft -= info.size;
|
|
}
|
|
|
|
tr_free(path);
|
|
}
|
|
}
|
|
|
|
return bytesLeft;
|
|
}
|
|
|
|
/****
|
|
***** Removing the torrent's local data
|
|
****/
|
|
|
|
static bool isJunkFile(char const* base)
|
|
{
|
|
static char const* files[] = {
|
|
".DS_Store",
|
|
"desktop.ini",
|
|
"Thumbs.db",
|
|
};
|
|
|
|
for (size_t i = 0; i < TR_N_ELEMENTS(files); ++i)
|
|
{
|
|
if (strcmp(base, files[i]) == 0)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
#ifdef __APPLE__
|
|
|
|
/* check for resource forks. <http://support.apple.com/kb/TA20578> */
|
|
if (memcmp(base, "._", 2) == 0)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
static void removeEmptyFoldersAndJunkFiles(char const* folder)
|
|
{
|
|
tr_sys_dir_t odir;
|
|
|
|
if ((odir = tr_sys_dir_open(folder, nullptr)) != TR_BAD_SYS_DIR)
|
|
{
|
|
char const* name;
|
|
|
|
while ((name = tr_sys_dir_read_name(odir, nullptr)) != nullptr)
|
|
{
|
|
if (strcmp(name, ".") != 0 && strcmp(name, "..") != 0)
|
|
{
|
|
tr_sys_path_info info;
|
|
char* filename = tr_buildPath(folder, name, nullptr);
|
|
|
|
if (tr_sys_path_get_info(filename, 0, &info, nullptr) && info.type == TR_SYS_PATH_IS_DIRECTORY)
|
|
{
|
|
removeEmptyFoldersAndJunkFiles(filename);
|
|
}
|
|
else if (isJunkFile(name))
|
|
{
|
|
tr_sys_path_remove(filename, nullptr);
|
|
}
|
|
|
|
tr_free(filename);
|
|
}
|
|
}
|
|
|
|
tr_sys_path_remove(folder, nullptr);
|
|
tr_sys_dir_close(odir, nullptr);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This convoluted code does something (seemingly) simple:
|
|
* remove the torrent's local files.
|
|
*
|
|
* Fun complications:
|
|
* 1. Try to preserve the directory hierarchy in the recycle bin.
|
|
* 2. If there are nontorrent files, don't delete them...
|
|
* 3. ...unless the other files are "junk", such as .DS_Store
|
|
*/
|
|
static void deleteLocalData(tr_torrent* tor, tr_fileFunc func)
|
|
{
|
|
auto files = std::vector<std::string>{};
|
|
auto folders = std::set<std::string>{};
|
|
char const* const top = tor->currentDir;
|
|
|
|
/* don't try to delete local data if the directory's gone missing */
|
|
if (!tr_sys_path_exists(top, nullptr))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* if it's a magnet link, there's nothing to move... */
|
|
if (!tr_torrentHasMetadata(tor))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/***
|
|
**** Move the local data to a new tmpdir
|
|
***/
|
|
|
|
char* base = tr_strdup_printf("%s__XXXXXX", tr_torrentName(tor));
|
|
char* tmpdir = tr_buildPath(top, base, nullptr);
|
|
tr_sys_dir_create_temp(tmpdir, nullptr);
|
|
tr_free(base);
|
|
|
|
for (tr_file_index_t f = 0; f < tor->info.fileCount; ++f)
|
|
{
|
|
char* filename;
|
|
|
|
/* try to find the file, looking in the partial and download dirs */
|
|
filename = tr_buildPath(top, tor->info.files[f].name, nullptr);
|
|
|
|
if (!tr_sys_path_exists(filename, nullptr))
|
|
{
|
|
char* partial = tr_torrentBuildPartial(tor, f);
|
|
tr_free(filename);
|
|
filename = tr_buildPath(top, partial, nullptr);
|
|
tr_free(partial);
|
|
|
|
if (!tr_sys_path_exists(filename, nullptr))
|
|
{
|
|
tr_free(filename);
|
|
filename = nullptr;
|
|
}
|
|
}
|
|
|
|
/* if we found the file, move it */
|
|
if (filename != nullptr)
|
|
{
|
|
char* target = tr_buildPath(tmpdir, tor->info.files[f].name, nullptr);
|
|
tr_moveFile(filename, target, nullptr);
|
|
files.emplace_back(target);
|
|
tr_free(filename);
|
|
tr_free(target);
|
|
}
|
|
}
|
|
|
|
/***
|
|
**** Remove tmpdir.
|
|
****
|
|
**** Try deleting the top-level files & folders to preserve
|
|
**** the directory hierarchy in the recycle bin.
|
|
**** If case that fails -- for example, rmdir () doesn't
|
|
**** delete nonempty folders -- go from the bottom up too.
|
|
***/
|
|
|
|
/* try deleting the local data's top-level files & folders */
|
|
tr_sys_dir_t odir;
|
|
if ((odir = tr_sys_dir_open(tmpdir, nullptr)) != TR_BAD_SYS_DIR)
|
|
{
|
|
char const* name;
|
|
|
|
while ((name = tr_sys_dir_read_name(odir, nullptr)) != nullptr)
|
|
{
|
|
if (strcmp(name, ".") != 0 && strcmp(name, "..") != 0)
|
|
{
|
|
char* file = tr_buildPath(tmpdir, name, nullptr);
|
|
(*func)(file, nullptr);
|
|
tr_free(file);
|
|
}
|
|
}
|
|
|
|
tr_sys_dir_close(odir, nullptr);
|
|
}
|
|
|
|
/* go from the bottom up */
|
|
for (auto const& file : files)
|
|
{
|
|
char* walk = tr_strdup(file.c_str());
|
|
|
|
while (tr_sys_path_exists(walk, nullptr) && !tr_sys_path_is_same(tmpdir, walk, nullptr))
|
|
{
|
|
char* tmp = tr_sys_path_dirname(walk, nullptr);
|
|
(*func)(walk, nullptr);
|
|
tr_free(walk);
|
|
walk = tmp;
|
|
}
|
|
|
|
tr_free(walk);
|
|
}
|
|
|
|
/***
|
|
**** The local data has been removed.
|
|
**** What's left in top are empty folders, junk, and user-generated files.
|
|
**** Remove the first two categories and leave the third.
|
|
***/
|
|
|
|
/* build a list of 'top's child directories that belong to this torrent */
|
|
for (tr_file_index_t f = 0; f < tor->info.fileCount; ++f)
|
|
{
|
|
char* dir;
|
|
char* filename;
|
|
|
|
/* get the directory that this file goes in... */
|
|
filename = tr_buildPath(top, tor->info.files[f].name, nullptr);
|
|
dir = tr_sys_path_dirname(filename, nullptr);
|
|
tr_free(filename);
|
|
|
|
if (dir == nullptr)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/* walk up the directory tree until we reach 'top' */
|
|
if (!tr_sys_path_is_same(top, dir, nullptr) && strcmp(top, dir) != 0)
|
|
{
|
|
for (;;)
|
|
{
|
|
char* parent = tr_sys_path_dirname(dir, nullptr);
|
|
|
|
if (tr_sys_path_is_same(top, parent, nullptr) || strcmp(top, parent) == 0)
|
|
{
|
|
folders.emplace(dir);
|
|
tr_free(parent);
|
|
break;
|
|
}
|
|
|
|
/* walk upwards to parent */
|
|
tr_free(dir);
|
|
dir = parent;
|
|
}
|
|
}
|
|
|
|
tr_free(dir);
|
|
}
|
|
|
|
for (auto const& folder : folders)
|
|
{
|
|
removeEmptyFoldersAndJunkFiles(folder.c_str());
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_sys_path_remove(tmpdir, nullptr);
|
|
tr_free(tmpdir);
|
|
}
|
|
|
|
static void tr_torrentDeleteLocalData(tr_torrent* tor, tr_fileFunc func)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (func == nullptr)
|
|
{
|
|
func = tr_sys_path_remove;
|
|
}
|
|
|
|
/* close all the files because we're about to delete them */
|
|
tr_cacheFlushTorrent(tor->session->cache, tor);
|
|
tr_fdTorrentClose(tor->session, tor->uniqueId);
|
|
|
|
deleteLocalData(tor, func);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
struct LocationData
|
|
{
|
|
bool move_from_old_location;
|
|
int volatile* setme_state;
|
|
double volatile* setme_progress;
|
|
char* location;
|
|
tr_torrent* tor;
|
|
};
|
|
|
|
static void setLocation(void* vdata)
|
|
{
|
|
auto* data = static_cast<struct LocationData*>(vdata);
|
|
tr_torrent* tor = data->tor;
|
|
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tr_torrentLock(tor);
|
|
|
|
bool err = false;
|
|
bool const do_move = data->move_from_old_location;
|
|
char const* location = data->location;
|
|
double bytesHandled = 0;
|
|
|
|
tr_logAddDebug("Moving \"%s\" location from currentDir \"%s\" to \"%s\"", tr_torrentName(tor), tor->currentDir, location);
|
|
|
|
tr_sys_dir_create(location, TR_SYS_DIR_CREATE_PARENTS, 0777, nullptr);
|
|
|
|
if (!tr_sys_path_is_same(location, tor->currentDir, nullptr))
|
|
{
|
|
/* bad idea to move files while they're being verified... */
|
|
tr_verifyRemove(tor);
|
|
|
|
/* try to move the files.
|
|
* FIXME: there are still all kinds of nasty cases, like what
|
|
* if the target directory runs out of space halfway through... */
|
|
for (tr_file_index_t i = 0; !err && i < tor->info.fileCount; ++i)
|
|
{
|
|
char* sub;
|
|
char const* oldbase;
|
|
tr_file const* f = &tor->info.files[i];
|
|
|
|
if (tr_torrentFindFile2(tor, i, &oldbase, &sub, nullptr))
|
|
{
|
|
char* oldpath = tr_buildPath(oldbase, sub, nullptr);
|
|
char* newpath = tr_buildPath(location, sub, nullptr);
|
|
|
|
tr_logAddDebug("Found file #%d: %s", (int)i, oldpath);
|
|
|
|
if (do_move && !tr_sys_path_is_same(oldpath, newpath, nullptr))
|
|
{
|
|
tr_error* error = nullptr;
|
|
|
|
tr_logAddTorInfo(tor, "moving \"%s\" to \"%s\"", oldpath, newpath);
|
|
|
|
if (!tr_moveFile(oldpath, newpath, &error))
|
|
{
|
|
err = true;
|
|
tr_logAddTorErr(tor, "error moving \"%s\" to \"%s\": %s", oldpath, newpath, error->message);
|
|
tr_error_free(error);
|
|
}
|
|
}
|
|
|
|
tr_free(newpath);
|
|
tr_free(oldpath);
|
|
tr_free(sub);
|
|
}
|
|
|
|
if (data->setme_progress != nullptr)
|
|
{
|
|
bytesHandled += f->length;
|
|
*data->setme_progress = bytesHandled / tor->info.totalSize;
|
|
}
|
|
}
|
|
|
|
if (!err && do_move)
|
|
{
|
|
/* blow away the leftover subdirectories in the old location */
|
|
tr_torrentDeleteLocalData(tor, tr_sys_path_remove);
|
|
}
|
|
}
|
|
|
|
if (!err)
|
|
{
|
|
/* set the new location and reverify */
|
|
tr_torrentSetDownloadDir(tor, location);
|
|
|
|
if (do_move)
|
|
{
|
|
tr_free(tor->incompleteDir);
|
|
tor->incompleteDir = nullptr;
|
|
tor->currentDir = tor->downloadDir;
|
|
}
|
|
}
|
|
|
|
if (data->setme_state != nullptr)
|
|
{
|
|
*data->setme_state = err ? TR_LOC_ERROR : TR_LOC_DONE;
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_torrentUnlock(tor);
|
|
tr_free(data->location);
|
|
tr_free(data);
|
|
}
|
|
|
|
void tr_torrentSetLocation(
|
|
tr_torrent* tor,
|
|
char const* location,
|
|
bool move_from_old_location,
|
|
double volatile* setme_progress,
|
|
int volatile* setme_state)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (setme_state != nullptr)
|
|
{
|
|
*setme_state = TR_LOC_MOVING;
|
|
}
|
|
|
|
if (setme_progress != nullptr)
|
|
{
|
|
*setme_progress = 0;
|
|
}
|
|
|
|
/* run this in the libtransmission thread */
|
|
struct LocationData* data = tr_new(struct LocationData, 1);
|
|
data->tor = tor;
|
|
data->location = tr_strdup(location);
|
|
data->move_from_old_location = move_from_old_location;
|
|
data->setme_state = setme_state;
|
|
data->setme_progress = setme_progress;
|
|
tr_runInEventThread(tor->session, setLocation, data);
|
|
}
|
|
|
|
char const* tr_torrentPrimaryMimeType(tr_torrent const* tor)
|
|
{
|
|
struct count
|
|
{
|
|
uint64_t length;
|
|
char const* mime_type;
|
|
};
|
|
|
|
tr_info const* inf = &tor->info;
|
|
struct count* counts = tr_new0(struct count, inf->fileCount);
|
|
size_t num_counts = 0;
|
|
|
|
for (tr_file const *it = inf->files, *end = it + inf->fileCount; it != end; ++it)
|
|
{
|
|
char const* mime_type = tr_get_mime_type_for_filename(it->name);
|
|
size_t i;
|
|
for (i = 0; i < num_counts; ++i)
|
|
{
|
|
if (counts[i].mime_type == mime_type)
|
|
{
|
|
counts[i].length += it->length;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == num_counts)
|
|
{
|
|
counts[i].mime_type = mime_type;
|
|
counts[i].length = it->length;
|
|
++num_counts;
|
|
}
|
|
}
|
|
|
|
uint64_t max_len = 0;
|
|
char const* mime_type = nullptr;
|
|
for (struct count const *it = counts, *end = it + num_counts; it != end; ++it)
|
|
{
|
|
if ((max_len < it->length) && (it->mime_type != nullptr))
|
|
{
|
|
max_len = it->length;
|
|
mime_type = it->mime_type;
|
|
}
|
|
}
|
|
|
|
tr_free(counts);
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
|
|
// application/octet-stream is the default value for all other cases.
|
|
// An unknown file type should use this type.
|
|
return mime_type != nullptr ? mime_type : "application/octet-stream";
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static void tr_torrentFileCompleted(tr_torrent* tor, tr_file_index_t fileIndex)
|
|
{
|
|
char* sub;
|
|
char const* base;
|
|
tr_info const* inf = &tor->info;
|
|
tr_file const* f = &inf->files[fileIndex];
|
|
time_t const now = tr_time();
|
|
|
|
/* close the file so that we can reopen in read-only mode as needed */
|
|
tr_cacheFlushFile(tor->session->cache, tor, fileIndex);
|
|
tr_fdFileClose(tor->session, tor, fileIndex);
|
|
|
|
/* now that the file is complete and closed, we can start watching its
|
|
* mtime timestamp for changes to know if we need to reverify pieces */
|
|
for (tr_piece_index_t i = f->firstPiece; i <= f->lastPiece; ++i)
|
|
{
|
|
inf->pieces[i].timeChecked = now;
|
|
}
|
|
|
|
/* if the torrent's current filename isn't the same as the one in the
|
|
* metadata -- for example, if it had the ".part" suffix appended to
|
|
* it until now -- then rename it to match the one in the metadata */
|
|
if (tr_torrentFindFile2(tor, fileIndex, &base, &sub, nullptr))
|
|
{
|
|
if (strcmp(sub, f->name) != 0)
|
|
{
|
|
char* oldpath = tr_buildPath(base, sub, nullptr);
|
|
char* newpath = tr_buildPath(base, f->name, nullptr);
|
|
tr_error* error = nullptr;
|
|
|
|
if (!tr_sys_path_rename(oldpath, newpath, &error))
|
|
{
|
|
tr_logAddTorErr(tor, "Error moving \"%s\" to \"%s\": %s", oldpath, newpath, error->message);
|
|
tr_error_free(error);
|
|
}
|
|
|
|
tr_free(newpath);
|
|
tr_free(oldpath);
|
|
}
|
|
|
|
tr_free(sub);
|
|
}
|
|
}
|
|
|
|
static void tr_torrentPieceCompleted(tr_torrent* tor, tr_piece_index_t pieceIndex)
|
|
{
|
|
tr_peerMgrPieceCompleted(tor, pieceIndex);
|
|
|
|
/* if this piece completes any file, invoke the fileCompleted func for it */
|
|
for (tr_file_index_t i = 0; i < tor->info.fileCount; ++i)
|
|
{
|
|
tr_file const* file = &tor->info.files[i];
|
|
|
|
if ((file->firstPiece <= pieceIndex) && (pieceIndex <= file->lastPiece) && tr_cpFileIsComplete(&tor->completion, i))
|
|
{
|
|
tr_torrentFileCompleted(tor, i);
|
|
}
|
|
}
|
|
}
|
|
|
|
void tr_torrentGotBlock(tr_torrent* tor, tr_block_index_t block)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(tr_amInEventThread(tor->session));
|
|
|
|
bool const block_is_new = !tr_torrentBlockIsComplete(tor, block);
|
|
|
|
if (block_is_new)
|
|
{
|
|
tr_piece_index_t p;
|
|
|
|
tr_cpBlockAdd(&tor->completion, block);
|
|
tr_torrentSetDirty(tor);
|
|
|
|
p = tr_torBlockPiece(tor, block);
|
|
|
|
if (tr_torrentPieceIsComplete(tor, p))
|
|
{
|
|
tr_logAddTorDbg(tor, "[LAZY] checking just-completed piece %zu", (size_t)p);
|
|
|
|
if (tr_torrentCheckPiece(tor, p))
|
|
{
|
|
tr_torrentPieceCompleted(tor, p);
|
|
}
|
|
else
|
|
{
|
|
uint32_t const n = tr_torPieceCountBytes(tor, p);
|
|
tr_logAddTorErr(tor, _("Piece %" PRIu32 ", which was just downloaded, failed its checksum test"), p);
|
|
tor->corruptCur += n;
|
|
tor->downloadedCur -= std::min(tor->downloadedCur, uint64_t{ n });
|
|
tr_peerMgrGotBadPiece(tor, p);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
uint32_t const n = tr_torBlockCountBytes(tor, block);
|
|
tor->downloadedCur -= std::min(tor->downloadedCur, uint64_t{ n });
|
|
tr_logAddTorDbg(tor, "we have this block already...");
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static void find_file_in_dir(
|
|
char const* name,
|
|
char const* search_dir,
|
|
char const** base,
|
|
char const** subpath,
|
|
tr_sys_path_info* file_info)
|
|
{
|
|
char* filename = tr_buildPath(search_dir, name, nullptr);
|
|
|
|
if (tr_sys_path_get_info(filename, 0, file_info, nullptr))
|
|
{
|
|
*base = search_dir;
|
|
*subpath = name;
|
|
}
|
|
|
|
tr_free(filename);
|
|
}
|
|
|
|
bool tr_torrentFindFile2(tr_torrent const* tor, tr_file_index_t fileNum, char const** base, char** subpath, time_t* mtime)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(fileNum < tor->info.fileCount);
|
|
|
|
char* part = nullptr;
|
|
tr_file const* file;
|
|
char const* b = nullptr;
|
|
char const* s = nullptr;
|
|
auto file_info = tr_sys_path_info{};
|
|
|
|
file = &tor->info.files[fileNum];
|
|
|
|
/* look in the download dir... */
|
|
if (b == nullptr)
|
|
{
|
|
find_file_in_dir(file->name, tor->downloadDir, &b, &s, &file_info);
|
|
}
|
|
|
|
/* look in the incomplete dir... */
|
|
if (b == nullptr && tor->incompleteDir != nullptr)
|
|
{
|
|
find_file_in_dir(file->name, tor->incompleteDir, &b, &s, &file_info);
|
|
}
|
|
|
|
if (b == nullptr)
|
|
{
|
|
part = tr_torrentBuildPartial(tor, fileNum);
|
|
}
|
|
|
|
/* look for a .part file in the incomplete dir... */
|
|
if (b == nullptr && tor->incompleteDir != nullptr)
|
|
{
|
|
find_file_in_dir(part, tor->incompleteDir, &b, &s, &file_info);
|
|
}
|
|
|
|
/* look for a .part file in the download dir... */
|
|
if (b == nullptr)
|
|
{
|
|
find_file_in_dir(part, tor->downloadDir, &b, &s, &file_info);
|
|
}
|
|
|
|
/* return the results */
|
|
if (base != nullptr)
|
|
{
|
|
*base = b;
|
|
}
|
|
|
|
if (subpath != nullptr)
|
|
{
|
|
*subpath = tr_strdup(s);
|
|
}
|
|
|
|
if (mtime != nullptr)
|
|
{
|
|
*mtime = file_info.last_modified_at;
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_free(part);
|
|
return b != nullptr;
|
|
}
|
|
|
|
char* tr_torrentFindFile(tr_torrent const* tor, tr_file_index_t fileNum)
|
|
{
|
|
char* subpath;
|
|
char* ret = nullptr;
|
|
char const* base;
|
|
|
|
if (tr_torrentFindFile2(tor, fileNum, &base, &subpath, nullptr))
|
|
{
|
|
ret = tr_buildPath(base, subpath, nullptr);
|
|
tr_free(subpath);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Decide whether we should be looking for files in downloadDir or incompleteDir. */
|
|
static void refreshCurrentDir(tr_torrent* tor)
|
|
{
|
|
char const* dir = nullptr;
|
|
|
|
if (tor->incompleteDir == nullptr)
|
|
{
|
|
dir = tor->downloadDir;
|
|
}
|
|
else if (!tr_torrentHasMetadata(tor)) /* no files to find */
|
|
{
|
|
dir = tor->incompleteDir;
|
|
}
|
|
else if (!tr_torrentFindFile2(tor, 0, &dir, nullptr, nullptr))
|
|
{
|
|
dir = tor->incompleteDir;
|
|
}
|
|
|
|
TR_ASSERT(dir != nullptr);
|
|
TR_ASSERT(dir == tor->downloadDir || dir == tor->incompleteDir);
|
|
|
|
tor->currentDir = dir;
|
|
}
|
|
|
|
char* tr_torrentBuildPartial(tr_torrent const* tor, tr_file_index_t fileNum)
|
|
{
|
|
return tr_strdup_printf("%s.part", tor->info.files[fileNum].name);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static int compareTorrentByQueuePosition(void const* va, void const* vb)
|
|
{
|
|
tr_torrent const* a = *(tr_torrent const* const*)va;
|
|
tr_torrent const* b = *(tr_torrent const* const*)vb;
|
|
|
|
return a->queuePosition - b->queuePosition;
|
|
}
|
|
|
|
#ifdef TR_ENABLE_ASSERTS
|
|
|
|
static bool queueIsSequenced(tr_session* session)
|
|
{
|
|
auto torrents = tr_sessionGetTorrents(session);
|
|
std::sort(
|
|
std::begin(torrents),
|
|
std::end(torrents),
|
|
[](auto const* a, auto const* b) { return a->queuePosition < b->queuePosition; });
|
|
|
|
#if 0
|
|
|
|
fprintf(stderr, "%s", "queue: ");
|
|
|
|
for (int i = 0; i < n; ++i)
|
|
{
|
|
fprintf(stderr, "%d ", tmp[i]->queuePosition);
|
|
}
|
|
|
|
fputc('\n', stderr);
|
|
|
|
#endif
|
|
|
|
/* test them */
|
|
bool is_sequenced = true;
|
|
|
|
for (int i = 0, n = std::size(torrents); is_sequenced && i < n; ++i)
|
|
{
|
|
is_sequenced = torrents[i]->queuePosition == i;
|
|
}
|
|
|
|
return is_sequenced;
|
|
}
|
|
|
|
#endif
|
|
|
|
int tr_torrentGetQueuePosition(tr_torrent const* tor)
|
|
{
|
|
return tor->queuePosition;
|
|
}
|
|
|
|
void tr_torrentSetQueuePosition(tr_torrent* tor, int pos)
|
|
{
|
|
int back = -1;
|
|
int const old_pos = tor->queuePosition;
|
|
time_t const now = tr_time();
|
|
|
|
if (pos < 0)
|
|
{
|
|
pos = 0;
|
|
}
|
|
|
|
tor->queuePosition = -1;
|
|
|
|
for (auto* walk : tor->session->torrents)
|
|
{
|
|
if ((old_pos < pos) && (old_pos <= walk->queuePosition) && (walk->queuePosition <= pos))
|
|
{
|
|
walk->queuePosition--;
|
|
walk->anyDate = now;
|
|
}
|
|
|
|
if ((old_pos > pos) && (pos <= walk->queuePosition) && (walk->queuePosition < old_pos))
|
|
{
|
|
walk->queuePosition++;
|
|
walk->anyDate = now;
|
|
}
|
|
|
|
if (back < walk->queuePosition)
|
|
{
|
|
back = walk->queuePosition;
|
|
}
|
|
}
|
|
|
|
tor->queuePosition = std::min(pos, back + 1);
|
|
tor->anyDate = now;
|
|
|
|
TR_ASSERT(queueIsSequenced(tor->session));
|
|
}
|
|
|
|
void tr_torrentsQueueMoveTop(tr_torrent** torrents_in, int n)
|
|
{
|
|
auto** torrents = static_cast<tr_torrent**>(tr_memdup(torrents_in, sizeof(tr_torrent*) * n));
|
|
qsort(torrents, n, sizeof(tr_torrent*), compareTorrentByQueuePosition);
|
|
|
|
for (int i = n - 1; i >= 0; --i)
|
|
{
|
|
tr_torrentSetQueuePosition(torrents[i], 0);
|
|
}
|
|
|
|
tr_free(torrents);
|
|
}
|
|
|
|
void tr_torrentsQueueMoveUp(tr_torrent** torrents_in, int n)
|
|
{
|
|
auto** torrents = static_cast<tr_torrent**>(tr_memdup(torrents_in, sizeof(tr_torrent*) * n));
|
|
qsort(torrents, n, sizeof(tr_torrent*), compareTorrentByQueuePosition);
|
|
|
|
for (int i = 0; i < n; ++i)
|
|
{
|
|
tr_torrentSetQueuePosition(torrents[i], torrents[i]->queuePosition - 1);
|
|
}
|
|
|
|
tr_free(torrents);
|
|
}
|
|
|
|
void tr_torrentsQueueMoveDown(tr_torrent** torrents_in, int n)
|
|
{
|
|
auto** torrents = static_cast<tr_torrent**>(tr_memdup(torrents_in, sizeof(tr_torrent*) * n));
|
|
qsort(torrents, n, sizeof(tr_torrent*), compareTorrentByQueuePosition);
|
|
|
|
for (int i = n - 1; i >= 0; --i)
|
|
{
|
|
tr_torrentSetQueuePosition(torrents[i], torrents[i]->queuePosition + 1);
|
|
}
|
|
|
|
tr_free(torrents);
|
|
}
|
|
|
|
void tr_torrentsQueueMoveBottom(tr_torrent** torrents_in, int n)
|
|
{
|
|
auto** torrents = static_cast<tr_torrent**>(tr_memdup(torrents_in, sizeof(tr_torrent*) * n));
|
|
qsort(torrents, n, sizeof(tr_torrent*), compareTorrentByQueuePosition);
|
|
|
|
for (int i = 0; i < n; ++i)
|
|
{
|
|
tr_torrentSetQueuePosition(torrents[i], INT_MAX);
|
|
}
|
|
|
|
tr_free(torrents);
|
|
}
|
|
|
|
static void torrentSetQueued(tr_torrent* tor, bool queued)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tr_torrentIsQueued(tor) != queued)
|
|
{
|
|
tor->isQueued = queued;
|
|
tor->anyDate = tr_time();
|
|
tr_torrentSetDirty(tor);
|
|
}
|
|
}
|
|
|
|
void tr_torrentSetQueueStartCallback(tr_torrent* torrent, void (*callback)(tr_torrent*, void*), void* user_data)
|
|
{
|
|
torrent->queue_started_callback = callback;
|
|
torrent->queue_started_user_data = user_data;
|
|
}
|
|
|
|
/***
|
|
****
|
|
**** RENAME
|
|
****
|
|
***/
|
|
|
|
static bool renameArgsAreValid(char const* oldpath, char const* newname)
|
|
{
|
|
return !tr_str_is_empty(oldpath) && !tr_str_is_empty(newname) && strcmp(newname, ".") != 0 && strcmp(newname, "..") != 0 &&
|
|
strchr(newname, TR_PATH_DELIMITER) == nullptr;
|
|
}
|
|
|
|
static tr_file_index_t* renameFindAffectedFiles(tr_torrent* tor, char const* oldpath, size_t* setme_n)
|
|
{
|
|
size_t n;
|
|
size_t oldpath_len;
|
|
tr_file_index_t* indices = tr_new0(tr_file_index_t, tor->info.fileCount);
|
|
|
|
n = 0;
|
|
oldpath_len = strlen(oldpath);
|
|
|
|
for (tr_file_index_t i = 0; i < tor->info.fileCount; ++i)
|
|
{
|
|
char const* name = tor->info.files[i].name;
|
|
size_t const len = strlen(name);
|
|
|
|
if ((len == oldpath_len || (len > oldpath_len && name[oldpath_len] == '/')) && memcmp(oldpath, name, oldpath_len) == 0)
|
|
{
|
|
indices[n++] = i;
|
|
}
|
|
}
|
|
|
|
*setme_n = n;
|
|
return indices;
|
|
}
|
|
|
|
static int renamePath(tr_torrent* tor, char const* oldpath, char const* newname)
|
|
{
|
|
char* src;
|
|
char const* base;
|
|
int err = 0;
|
|
|
|
if (!tr_torrentIsSeed(tor) && tor->incompleteDir != nullptr)
|
|
{
|
|
base = tor->incompleteDir;
|
|
}
|
|
else
|
|
{
|
|
base = tor->downloadDir;
|
|
}
|
|
|
|
src = tr_buildPath(base, oldpath, nullptr);
|
|
|
|
if (!tr_sys_path_exists(src, nullptr)) /* check for it as a partial */
|
|
{
|
|
char* tmp = tr_strdup_printf("%s.part", src);
|
|
tr_free(src);
|
|
src = tmp;
|
|
}
|
|
|
|
if (tr_sys_path_exists(src, nullptr))
|
|
{
|
|
int tmp;
|
|
bool tgt_exists;
|
|
char* parent = tr_sys_path_dirname(src, nullptr);
|
|
char* tgt;
|
|
|
|
if (tr_str_has_suffix(src, ".part"))
|
|
{
|
|
tgt = tr_strdup_printf("%s" TR_PATH_DELIMITER_STR "%s.part", parent, newname);
|
|
}
|
|
else
|
|
{
|
|
tgt = tr_buildPath(parent, newname, nullptr);
|
|
}
|
|
|
|
tmp = errno;
|
|
tgt_exists = tr_sys_path_exists(tgt, nullptr);
|
|
errno = tmp;
|
|
|
|
if (!tgt_exists)
|
|
{
|
|
tr_error* error = nullptr;
|
|
|
|
tmp = errno;
|
|
|
|
if (!tr_sys_path_rename(src, tgt, &error))
|
|
{
|
|
err = error->code;
|
|
tr_error_free(error);
|
|
}
|
|
|
|
errno = tmp;
|
|
}
|
|
|
|
tr_free(tgt);
|
|
tr_free(parent);
|
|
}
|
|
|
|
tr_free(src);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void renameTorrentFileString(tr_torrent* tor, char const* oldpath, char const* newname, tr_file_index_t fileIndex)
|
|
{
|
|
char* name;
|
|
tr_file* file = &tor->info.files[fileIndex];
|
|
size_t const oldpath_len = strlen(oldpath);
|
|
|
|
if (strchr(oldpath, TR_PATH_DELIMITER) == nullptr)
|
|
{
|
|
if (oldpath_len >= strlen(file->name))
|
|
{
|
|
name = tr_buildPath(newname, nullptr);
|
|
}
|
|
else
|
|
{
|
|
name = tr_buildPath(newname, file->name + oldpath_len + 1, nullptr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
char* tmp = tr_sys_path_dirname(oldpath, nullptr);
|
|
|
|
if (tmp == nullptr)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (oldpath_len >= strlen(file->name))
|
|
{
|
|
name = tr_buildPath(tmp, newname, nullptr);
|
|
}
|
|
else
|
|
{
|
|
name = tr_buildPath(tmp, newname, file->name + oldpath_len + 1, nullptr);
|
|
}
|
|
|
|
tr_free(tmp);
|
|
}
|
|
|
|
if (strcmp(file->name, name) == 0)
|
|
{
|
|
tr_free(name);
|
|
}
|
|
else
|
|
{
|
|
tr_free(file->name);
|
|
file->name = name;
|
|
file->is_renamed = true;
|
|
}
|
|
}
|
|
|
|
struct rename_data
|
|
{
|
|
tr_torrent* tor;
|
|
char* oldpath;
|
|
char* newname;
|
|
tr_torrent_rename_done_func callback;
|
|
void* callback_user_data;
|
|
};
|
|
|
|
static void torrentRenamePath(void* vdata)
|
|
{
|
|
auto* data = static_cast<struct rename_data*>(vdata);
|
|
tr_torrent* const tor = data->tor;
|
|
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
int error = 0;
|
|
char const* const oldpath = data->oldpath;
|
|
char const* const newname = data->newname;
|
|
|
|
if (!renameArgsAreValid(oldpath, newname))
|
|
{
|
|
error = EINVAL;
|
|
}
|
|
else
|
|
{
|
|
size_t n;
|
|
tr_file_index_t* file_indices;
|
|
|
|
file_indices = renameFindAffectedFiles(tor, oldpath, &n);
|
|
|
|
if (n == 0)
|
|
{
|
|
error = EINVAL;
|
|
}
|
|
else
|
|
{
|
|
error = renamePath(tor, oldpath, newname);
|
|
|
|
if (error == 0)
|
|
{
|
|
/* update tr_info.files */
|
|
for (size_t i = 0; i < n; ++i)
|
|
{
|
|
renameTorrentFileString(tor, oldpath, newname, file_indices[i]);
|
|
}
|
|
|
|
/* update tr_info.name if user changed the toplevel */
|
|
if (n == tor->info.fileCount && strchr(oldpath, '/') == nullptr)
|
|
{
|
|
tr_free(tor->info.name);
|
|
tor->info.name = tr_strdup(newname);
|
|
}
|
|
|
|
tr_torrentMarkEdited(tor);
|
|
tr_torrentSetDirty(tor);
|
|
}
|
|
}
|
|
|
|
tr_free(file_indices);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
tor->anyDate = tr_time();
|
|
|
|
/* callback */
|
|
if (data->callback != nullptr)
|
|
{
|
|
(*data->callback)(tor, data->oldpath, data->newname, error, data->callback_user_data);
|
|
}
|
|
|
|
/* cleanup */
|
|
tr_free(data->oldpath);
|
|
tr_free(data->newname);
|
|
tr_free(data);
|
|
}
|
|
|
|
void tr_torrentRenamePath(
|
|
tr_torrent* tor,
|
|
char const* oldpath,
|
|
char const* newname,
|
|
tr_torrent_rename_done_func callback,
|
|
void* callback_user_data)
|
|
{
|
|
struct rename_data* data;
|
|
|
|
data = tr_new0(struct rename_data, 1);
|
|
data->tor = tor;
|
|
data->oldpath = tr_strdup(oldpath);
|
|
data->newname = tr_strdup(newname);
|
|
data->callback = callback;
|
|
data->callback_user_data = callback_user_data;
|
|
|
|
tr_runInEventThread(tor->session, torrentRenamePath, data);
|
|
}
|