2797 lines
70 KiB
C++
2797 lines
70 KiB
C++
// This file Copyright © 2009-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include <algorithm>
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#include <array>
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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 <ctime>
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#include <map>
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#include <sstream>
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#include <string>
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#include <string_view>
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#include <unordered_map>
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#include <vector>
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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 <fmt/chrono.h>
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#include <fmt/core.h>
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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 "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 "file.h"
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#include "inout.h" /* tr_ioTestPiece() */
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#include "log.h"
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#include "magnet-metainfo.h"
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#include "peer-mgr.h"
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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-magnet.h"
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#include "torrent-metainfo.h"
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#include "torrent.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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#include "web-utils.h"
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using namespace std::literals;
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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->name().c_str() : "";
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}
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uint64_t tr_torrentTotalSize(tr_torrent const* tor)
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{
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TR_ASSERT(tr_isTorrent(tor));
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return tor->totalSize();
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}
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tr_torrent_id_t tr_torrentId(tr_torrent const* tor)
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{
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return tor != nullptr ? tor->id() : -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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return session->torrents().get(id);
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}
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tr_torrent* tr_torrentFindFromMetainfo(tr_session* session, tr_torrent_metainfo const* metainfo)
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{
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if (session == nullptr || metainfo == nullptr)
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{
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return nullptr;
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}
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return session->torrents().get(metainfo->infoHash());
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}
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tr_torrent* tr_torrentFindFromMagnetLink(tr_session* session, char const* magnet_link)
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{
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return magnet_link == nullptr ? nullptr : session->torrents().get(magnet_link);
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}
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tr_torrent* tr_torrentFindFromObfuscatedHash(tr_session* session, tr_sha1_digest_t const& obfuscated_hash)
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{
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for (auto* const tor : session->torrents())
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{
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if (tor->obfuscated_hash == obfuscated_hash)
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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_torrentSetMetainfoFromFile(tr_torrent* tor, tr_torrent_metainfo* metainfo, char const* filename)
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{
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if (tr_torrentHasMetadata(tor))
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{
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return false;
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}
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tr_error* error = nullptr;
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tr_torrentUseMetainfoFromFile(tor, metainfo, filename, &error);
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if (error != nullptr)
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{
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tor->setLocalError(fmt::format(
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_("Couldn't use metaInfo from '{path}' for '{magnet}': {error} ({error_code})"),
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fmt::arg("path", filename),
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fmt::arg("magnet", tor->magnet()),
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fmt::arg("error", error->message),
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fmt::arg("error_code", error->code)));
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tr_error_clear(&error);
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return false;
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}
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return true;
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}
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bool tr_torrent::isPieceTransferAllowed(tr_direction direction) const
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{
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TR_ASSERT(tr_isDirection(direction));
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bool allowed = true;
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if (tr_torrentUsesSpeedLimit(this, direction) && this->speedLimitBps(direction) <= 0)
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{
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allowed = false;
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}
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if (tr_torrentUsesSessionLimits(this))
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{
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unsigned int limit = 0;
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if (tr_sessionGetActiveSpeedLimit_Bps(this->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 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_ = {};
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}
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static int peerIdTTL(tr_torrent const* tor)
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{
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auto const ctime = tor->peer_id_creation_time_;
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return ctime == 0 ? 0 : (int)difftime(ctime + tor->session->peer_id_ttl_hours * 3600, tr_time());
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}
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tr_peer_id_t const& tr_torrentGetPeerId(tr_torrent* tor)
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{
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bool const needs_new_peer_id = tor->peer_id_[0] == '\0' || // doesn't have one
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(tor->isPublic() && (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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tor->peer_id_ = tr_peerIdInit();
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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_torrent::setSpeedLimitBps(tr_direction dir, unsigned int Bps)
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{
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TR_ASSERT(tr_isDirection(dir));
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if (this->bandwidth_.setDesiredSpeedBytesPerSecond(dir, Bps))
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{
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this->setDirty();
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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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tor->setSpeedLimitBps(dir, tr_toSpeedBytes(KBps));
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}
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unsigned int tr_torrent::speedLimitBps(tr_direction dir) const
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{
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TR_ASSERT(tr_isDirection(dir));
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return this->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 tr_toSpeedKBps(tor->speedLimitBps(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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tor->setDirty();
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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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tor->setDirty();
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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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tor->setDirty();
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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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tor->setDirty();
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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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auto isLimited = bool{};
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TR_ASSERT(tr_isTorrent(tor));
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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* setme_left, uint64_t* setme_goal)
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{
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bool seed_ratio_applies = false;
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TR_ASSERT(tr_isTorrent(tor));
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if (auto seed_ratio = double{}; tr_torrentGetSeedRatio(tor, &seed_ratio))
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{
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auto const uploaded = tor->uploadedCur + tor->uploadedPrev;
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auto const baseline = tor->sizeWhenDone();
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auto const goal = baseline * seed_ratio;
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if (setme_left != nullptr)
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{
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*setme_left = goal > uploaded ? goal - uploaded : 0;
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}
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if (setme_goal != nullptr)
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{
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*setme_goal = goal;
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}
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seed_ratio_applies = tor->isDone();
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}
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return seed_ratio_applies;
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}
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static bool tr_torrentIsSeedRatioDone(tr_torrent const* tor)
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{
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auto bytesLeft = uint64_t{};
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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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tor->setDirty();
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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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tor->setDirty();
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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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auto isLimited = bool{};
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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 const* tor)
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{
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auto idleMinutes = uint16_t{};
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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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static void torrentCallScript(tr_torrent const* tor, char const* script);
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static void callScriptIfEnabled(tr_torrent const* tor, TrScript type)
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{
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auto const* session = tor->session;
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if (tr_sessionIsScriptEnabled(session, type))
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{
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torrentCallScript(tor, tr_sessionGetScript(session, type));
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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_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 || !tor->isDone())
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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_logAddInfoTor(tor, _("Seed ratio reached; pausing torrent"));
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tor->isStopping = true;
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tor->session->onRatioLimitHit(tor);
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}
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/* if we're seeding and reach our inactivity limit, stop the torrent */
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else if (tr_torrentIsSeedIdleLimitDone(tor))
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{
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tr_logAddInfoTor(tor, _("Seeding idle limit reached; pausing torrent"));
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tor->isStopping = true;
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tor->finishedSeedingByIdle = true;
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tor->session->onIdleLimitHit(tor);
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}
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if (tor->isStopping)
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{
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callScriptIfEnabled(tor, TR_SCRIPT_ON_TORRENT_DONE_SEEDING);
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}
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}
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/***
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****
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***/
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static void tr_torrentClearError(tr_torrent* tor)
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{
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tor->error = TR_STAT_OK;
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tor->error_announce_url.clear();
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tor->error_string.clear();
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}
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static void onTrackerResponse(tr_torrent* tor, tr_tracker_event const* event, 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_logAddTraceTor(tor, fmt::format("Got {} peers from tracker", std::size(event->pex)));
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tr_peerMgrAddPex(tor, TR_PEER_FROM_TRACKER, std::data(event->pex), std::size(event->pex));
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break;
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case TR_TRACKER_COUNTS:
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if (tor->isPrivate() && (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:
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tr_logAddWarnTor(tor, fmt::format(_("Tracker warning: '{warning}'"), fmt::arg("warning", event->text)));
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tor->error = TR_STAT_TRACKER_WARNING;
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tor->error_announce_url = event->announce_url;
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tor->error_string = event->text;
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break;
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case TR_TRACKER_ERROR:
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tor->error = TR_STAT_TRACKER_ERROR;
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tor->error_announce_url = event->announce_url;
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tor->error_string = event->text;
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break;
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case TR_TRACKER_ERROR_CLEAR:
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if (tor->error != TR_STAT_LOCAL_ERROR)
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{
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tr_torrentClearError(tor);
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}
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break;
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}
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}
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/***
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****
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**** TORRENT INSTANTIATION
|
|
****
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***/
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|
|
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struct torrent_start_opts
|
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{
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bool bypass_queue = false;
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// true or false if we know whether or not local data exists,
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// or unset if we don't know and need to check for ourselves
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std::optional<bool> has_local_data;
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};
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static void torrentStart(tr_torrent* tor, torrent_start_opts opts);
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|
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static void torrentInitFromInfoDict(tr_torrent* tor)
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{
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tor->completion = tr_completion{ tor, &tor->blockInfo() };
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if (auto const obfuscated = tr_sha1("req2"sv, tor->infoHash()); obfuscated)
|
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{
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tor->obfuscated_hash = *obfuscated;
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}
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else
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{
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// lookups by obfuscated hash will fail for this torrent
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tr_logAddErrorTor(tor, _("Couldn't compute obfuscated info hash"));
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tor->obfuscated_hash = tr_sha1_digest_t{};
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}
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tor->fpm_.reset(tor->metainfo_);
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tor->file_mtimes_.resize(tor->fileCount());
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tor->file_priorities_.reset(&tor->fpm_);
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tor->files_wanted_.reset(&tor->fpm_);
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tor->checked_pieces_ = tr_bitfield{ size_t(tor->pieceCount()) };
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}
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void tr_torrent::setMetainfo(tr_torrent_metainfo const& tm)
|
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{
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metainfo_ = tm;
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torrentInitFromInfoDict(this);
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tr_peerMgrOnTorrentGotMetainfo(this);
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session->onMetadataCompleted(this);
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this->setDirty();
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}
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static size_t buildSearchPathArray(tr_torrent const* tor, std::string_view* paths)
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{
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auto* walk = paths;
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if (auto const& path = tor->downloadDir(); !std::empty(path))
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{
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*walk++ = path.sv();
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}
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if (auto const& path = tor->incompleteDir(); !std::empty(path))
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{
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*walk++ = path.sv();
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}
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return walk - paths;
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}
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std::optional<tr_torrent_files::FoundFile> tr_torrent::findFile(tr_file_index_t file_index) const
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{
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auto paths = std::array<std::string_view, 4>{};
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auto const n_paths = buildSearchPathArray(this, std::data(paths));
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return metainfo_.files().find(file_index, std::data(paths), n_paths);
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}
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bool tr_torrent::hasAnyLocalData() const
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{
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auto paths = std::array<std::string_view, 4>{};
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auto const n_paths = buildSearchPathArray(this, std::data(paths));
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return metainfo_.files().hasAnyLocalData(std::data(paths), n_paths);
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}
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static bool setLocalErrorIfFilesDisappeared(tr_torrent* tor, std::optional<bool> has_local_data = {})
|
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{
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auto const has = has_local_data ? *has_local_data : tor->hasAnyLocalData();
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bool const files_disappeared = tor->hasTotal() > 0 && !has;
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if (files_disappeared)
|
|
{
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tr_logAddTraceTor(tor, "[LAZY] uh oh, the files disappeared");
|
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tor->setLocalError(_(
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"No data found! Ensure your drives are connected or use \"Set Location\". To re-download, remove the torrent and re-add it."));
|
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}
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|
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return files_disappeared;
|
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}
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|
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/**
|
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* Sniff out newly-added seeds so that they can skip the verify step
|
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*/
|
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static bool isNewTorrentASeed(tr_torrent* tor)
|
|
{
|
|
if (!tor->hasMetainfo())
|
|
{
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|
return false;
|
|
}
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|
|
|
for (tr_file_index_t i = 0, n = tor->fileCount(); i < n; ++i)
|
|
{
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|
// it's not a new seed if a file is missing
|
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auto const found = tor->findFile(i);
|
|
if (!found)
|
|
{
|
|
return false;
|
|
}
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|
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// it's not a new seed if a file is partial
|
|
if (tr_strvEndsWith(found->filename(), tr_torrent_files::PartialFileSuffix))
|
|
{
|
|
return false;
|
|
}
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|
|
|
// it's not a new seed if a file size is wrong
|
|
if (found->size != tor->fileSize(i))
|
|
{
|
|
return false;
|
|
}
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|
|
|
// it's not a new seed if it was modified after it was added
|
|
if (found->last_modified_at >= tor->addedDate)
|
|
{
|
|
return false;
|
|
}
|
|
}
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|
|
|
// check the first piece
|
|
return tor->ensurePieceIsChecked(0);
|
|
}
|
|
|
|
static void torrentInit(tr_torrent* tor, tr_ctor const* ctor)
|
|
{
|
|
tr_session* session = tr_ctorGetSession(ctor);
|
|
TR_ASSERT(session != nullptr);
|
|
tor->session = session;
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|
|
|
auto const lock = tor->unique_lock();
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|
|
|
tor->queuePosition = tr_sessionCountTorrents(session);
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|
|
|
torrentInitFromInfoDict(tor);
|
|
|
|
char const* dir = nullptr;
|
|
if (tr_ctorGetDownloadDir(ctor, TR_FORCE, &dir) || tr_ctorGetDownloadDir(ctor, TR_FALLBACK, &dir))
|
|
{
|
|
tor->download_dir = dir;
|
|
}
|
|
|
|
if (!tr_ctorGetIncompleteDir(ctor, &dir))
|
|
{
|
|
dir = tr_sessionGetIncompleteDir(session);
|
|
}
|
|
|
|
if (tr_sessionIsIncompleteDirEnabled(session))
|
|
{
|
|
tor->incomplete_dir = dir;
|
|
}
|
|
tor->bandwidth_.setParent(&session->top_bandwidth_);
|
|
tor->bandwidth_.setPriority(tr_ctorGetBandwidthPriority(ctor));
|
|
tor->error = TR_STAT_OK;
|
|
tor->finishedSeedingByIdle = false;
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|
|
|
auto const& labels = tr_ctorGetLabels(ctor);
|
|
tor->setLabels(labels);
|
|
|
|
tor->unique_id_ = session->torrents().add(tor);
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|
|
|
tr_peerMgrAddTorrent(session->peerMgr, tor);
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|
|
|
TR_ASSERT(tor->downloadedCur == 0);
|
|
TR_ASSERT(tor->uploadedCur == 0);
|
|
|
|
auto const now = tr_time();
|
|
tor->addedDate = now; // this is a default that will be overwritten by the resume file
|
|
tor->anyDate = now;
|
|
|
|
tr_resume::fields_t loaded = {};
|
|
if (tor->hasMetainfo())
|
|
{
|
|
// tr_resume::load() calls a lot of tr_torrentSetFoo() methods
|
|
// that set things as dirty, but... these settings being loaded are
|
|
// the same ones that would be saved back again, so don't let them
|
|
// affect the 'is dirty' flag.
|
|
auto const was_dirty = tor->isDirty;
|
|
|
|
bool resume_file_was_migrated = false;
|
|
loaded = tr_resume::load(tor, tr_resume::All, ctor, &resume_file_was_migrated);
|
|
tor->isDirty = was_dirty;
|
|
|
|
if (resume_file_was_migrated)
|
|
{
|
|
tr_torrent_metainfo::migrateFile(session->torrent_dir, tor->name(), tor->infoHashString(), ".torrent"sv);
|
|
}
|
|
}
|
|
|
|
tor->completeness = tor->completion.status();
|
|
|
|
tr_ctorInitTorrentPriorities(ctor, tor);
|
|
tr_ctorInitTorrentWanted(ctor, tor);
|
|
|
|
tor->refreshCurrentDir();
|
|
|
|
bool const doStart = tor->isRunning;
|
|
tor->isRunning = false;
|
|
|
|
if ((loaded & tr_resume::Speedlimit) == 0)
|
|
{
|
|
tr_torrentUseSpeedLimit(tor, TR_UP, false);
|
|
tor->setSpeedLimitBps(TR_UP, tr_sessionGetSpeedLimit_Bps(tor->session, TR_UP));
|
|
tr_torrentUseSpeedLimit(tor, TR_DOWN, false);
|
|
tor->setSpeedLimitBps(TR_DOWN, tr_sessionGetSpeedLimit_Bps(tor->session, TR_DOWN));
|
|
tr_torrentUseSessionLimits(tor, true);
|
|
}
|
|
|
|
if ((loaded & tr_resume::Ratiolimit) == 0)
|
|
{
|
|
tr_torrentSetRatioMode(tor, TR_RATIOLIMIT_GLOBAL);
|
|
tr_torrentSetRatioLimit(tor, tr_sessionGetRatioLimit(tor->session));
|
|
}
|
|
|
|
if ((loaded & tr_resume::Idlelimit) == 0)
|
|
{
|
|
tr_torrentSetIdleMode(tor, TR_IDLELIMIT_GLOBAL);
|
|
tr_torrentSetIdleLimit(tor, tr_sessionGetIdleLimit(tor->session));
|
|
}
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|
|
|
auto has_local_data = std::optional<bool>{};
|
|
if ((loaded & tr_resume::Progress) != 0)
|
|
{
|
|
// if tr_resume::load() loaded progress info, then initCheckedPieces()
|
|
// has already looked for local data on the filesystem
|
|
has_local_data = std::any_of(
|
|
std::begin(tor->file_mtimes_),
|
|
std::end(tor->file_mtimes_),
|
|
[](auto mtime) { return mtime > 0; });
|
|
}
|
|
|
|
auto const filename = tor->hasMetainfo() ? tor->torrentFile() : tor->magnetFile();
|
|
|
|
// if we don't have a local .torrent or .magnet file already,
|
|
// assume the torrent is new
|
|
bool const is_new_torrent = !tr_sys_path_exists(filename);
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|
|
|
if (is_new_torrent)
|
|
{
|
|
tr_error* error = nullptr;
|
|
|
|
if (tor->hasMetainfo()) // torrent file
|
|
{
|
|
tr_ctorSaveContents(ctor, filename, &error);
|
|
}
|
|
else // magnet link
|
|
{
|
|
auto const magnet_link = tor->magnet();
|
|
tr_saveFile(filename, magnet_link, &error);
|
|
}
|
|
|
|
if (error != nullptr)
|
|
{
|
|
tor->setLocalError(fmt::format(
|
|
_("Couldn't save '{path}': {error} ({error_code})"),
|
|
fmt::arg("path", filename),
|
|
fmt::arg("error", error->message),
|
|
fmt::arg("error_code", error->code)));
|
|
tr_error_clear(&error);
|
|
}
|
|
}
|
|
|
|
tor->torrent_announcer = tr_announcerAddTorrent(tor, onTrackerResponse, nullptr);
|
|
|
|
if (is_new_torrent)
|
|
{
|
|
if (tor->hasMetainfo())
|
|
{
|
|
callScriptIfEnabled(tor, TR_SCRIPT_ON_TORRENT_ADDED);
|
|
}
|
|
|
|
if (!tor->hasMetainfo() && !doStart)
|
|
{
|
|
auto opts = torrent_start_opts{};
|
|
opts.bypass_queue = true;
|
|
opts.has_local_data = has_local_data;
|
|
torrentStart(tor, opts);
|
|
}
|
|
else if (isNewTorrentASeed(tor))
|
|
{
|
|
tor->completion.setHasAll();
|
|
tor->doneDate = tor->addedDate;
|
|
tor->recheckCompleteness();
|
|
}
|
|
else
|
|
{
|
|
tor->startAfterVerify = doStart;
|
|
tr_torrentVerify(tor);
|
|
}
|
|
}
|
|
else if (doStart)
|
|
{
|
|
// if checked_pieces_ got populated from the loading the resume
|
|
// file above, then torrentStart doesn't need to check again
|
|
auto opts = torrent_start_opts{};
|
|
opts.has_local_data = has_local_data;
|
|
torrentStart(tor, opts);
|
|
}
|
|
else
|
|
{
|
|
setLocalErrorIfFilesDisappeared(tor, has_local_data);
|
|
}
|
|
}
|
|
|
|
tr_torrent* tr_torrentNew(tr_ctor* ctor, tr_torrent** setme_duplicate_of)
|
|
{
|
|
TR_ASSERT(ctor != nullptr);
|
|
auto* const session = tr_ctorGetSession(ctor);
|
|
TR_ASSERT(tr_isSession(session));
|
|
|
|
// is the metainfo valid?
|
|
auto metainfo = tr_ctorStealMetainfo(ctor);
|
|
if (std::empty(metainfo.infoHashString()))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
// is it a duplicate?
|
|
if (auto* const duplicate_of = session->torrents().get(metainfo.infoHash()); duplicate_of != nullptr)
|
|
{
|
|
if (setme_duplicate_of != nullptr)
|
|
{
|
|
*setme_duplicate_of = duplicate_of;
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
auto* const tor = new tr_torrent{ std::move(metainfo) };
|
|
torrentInit(tor, ctor);
|
|
return tor;
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
void tr_torrentSetDownloadDir(tr_torrent* tor, char const* path)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->download_dir != path)
|
|
{
|
|
tor->setDownloadDir(path);
|
|
}
|
|
}
|
|
|
|
char const* tr_torrentGetDownloadDir(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->downloadDir().c_str();
|
|
}
|
|
|
|
char const* tr_torrentGetCurrentDir(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->currentDir().c_str();
|
|
}
|
|
|
|
void tr_torrentChangeMyPort(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->isRunning)
|
|
{
|
|
tr_announcerChangeMyPort(tor);
|
|
}
|
|
}
|
|
|
|
static inline void tr_torrentManualUpdateImpl(tr_torrent* const tor)
|
|
{
|
|
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_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_torrent::setVerifyState(tr_verify_state state)
|
|
{
|
|
TR_ASSERT(state == TR_VERIFY_NONE || state == TR_VERIFY_WAIT || state == TR_VERIFY_NOW);
|
|
|
|
this->verify_state_ = state;
|
|
this->verify_progress_ = {};
|
|
this->markChanged();
|
|
}
|
|
|
|
tr_torrent_activity tr_torrentGetActivity(tr_torrent const* tor)
|
|
{
|
|
tr_torrent_activity ret = TR_STATUS_STOPPED;
|
|
|
|
bool const is_seed = tor->isDone();
|
|
|
|
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 (tor->isQueued())
|
|
{
|
|
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;
|
|
}
|
|
|
|
tr_stat const* tr_torrentStat(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
uint64_t const now = tr_time_msec();
|
|
|
|
auto swarm_stats = tr_swarm_stats{};
|
|
|
|
tor->lastStatTime = tr_time();
|
|
|
|
if (tor->swarm != nullptr)
|
|
{
|
|
swarm_stats = tr_swarmGetStats(tor->swarm);
|
|
}
|
|
|
|
tr_stat* const s = &tor->stats;
|
|
s->id = tor->id();
|
|
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->error_string.c_str();
|
|
|
|
s->peersConnected = swarm_stats.peer_count;
|
|
s->peersSendingToUs = swarm_stats.active_peer_count[TR_DOWN];
|
|
s->peersGettingFromUs = swarm_stats.active_peer_count[TR_UP];
|
|
s->webseedsSendingToUs = swarm_stats.active_webseed_count;
|
|
|
|
for (int i = 0; i < TR_PEER_FROM__MAX; i++)
|
|
{
|
|
s->peersFrom[i] = swarm_stats.peer_from_count[i];
|
|
}
|
|
|
|
auto const pieceUploadSpeed_Bps = tor->bandwidth_.getPieceSpeedBytesPerSecond(now, TR_UP);
|
|
s->pieceUploadSpeed_KBps = tr_toSpeedKBps(pieceUploadSpeed_Bps);
|
|
auto const pieceDownloadSpeed_Bps = tor->bandwidth_.getPieceSpeedBytesPerSecond(now, TR_DOWN);
|
|
s->pieceDownloadSpeed_KBps = tr_toSpeedKBps(pieceDownloadSpeed_Bps);
|
|
|
|
s->percentComplete = tor->completion.percentComplete();
|
|
s->metadataPercentComplete = tr_torrentGetMetadataPercent(tor);
|
|
|
|
s->percentDone = tor->completion.percentDone();
|
|
s->leftUntilDone = tor->completion.leftUntilDone();
|
|
s->sizeWhenDone = tor->completion.sizeWhenDone();
|
|
|
|
auto const verify_progress = tor->verifyProgress();
|
|
s->recheckProgress = verify_progress ? *verify_progress : 0.0F;
|
|
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 = tor->completion.hasValid();
|
|
s->haveUnchecked = tor->hasTotal() - s->haveValid;
|
|
s->desiredAvailable = tr_peerMgrGetDesiredAvailable(tor);
|
|
|
|
s->ratio = tr_getRatio(s->uploadedEver, tor->sizeWhenDone());
|
|
|
|
auto seedRatioBytesLeft = uint64_t{};
|
|
auto seedRatioBytesGoal = uint64_t{};
|
|
bool const seedRatioApplies = tr_torrentGetSeedRatioBytes(tor, &seedRatioBytesLeft, &seedRatioBytesGoal);
|
|
|
|
switch (s->activity)
|
|
{
|
|
/* etaSpeed 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->etaSpeedCalculatedAt + 800 < now)
|
|
{
|
|
tor->etaSpeed_Bps = tor->etaSpeedCalculatedAt + 4000 < now ?
|
|
pieceDownloadSpeed_Bps : /* if no recent previous speed, no need to smooth */
|
|
(tor->etaSpeed_Bps * 4.0 + pieceDownloadSpeed_Bps) / 5.0; /* smooth across 5 readings */
|
|
tor->etaSpeedCalculatedAt = now;
|
|
}
|
|
|
|
if (s->leftUntilDone > s->desiredAvailable && tor->webseedCount() < 1)
|
|
{
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
}
|
|
else if (tor->etaSpeed_Bps == 0)
|
|
{
|
|
s->eta = TR_ETA_UNKNOWN;
|
|
}
|
|
else
|
|
{
|
|
s->eta = s->leftUntilDone / tor->etaSpeed_Bps;
|
|
}
|
|
|
|
s->etaIdle = TR_ETA_NOT_AVAIL;
|
|
break;
|
|
|
|
case TR_STATUS_SEED:
|
|
if (!seedRatioApplies)
|
|
{
|
|
s->eta = TR_ETA_NOT_AVAIL;
|
|
}
|
|
else
|
|
{
|
|
if (tor->etaSpeedCalculatedAt + 800 < now)
|
|
{
|
|
tor->etaSpeed_Bps = tor->etaSpeedCalculatedAt + 4000 < now ?
|
|
pieceUploadSpeed_Bps : /* if no recent previous speed, no need to smooth */
|
|
(tor->etaSpeed_Bps * 4.0 + pieceUploadSpeed_Bps) / 5.0; /* smooth across 5 readings */
|
|
tor->etaSpeedCalculatedAt = now;
|
|
}
|
|
|
|
if (tor->etaSpeed_Bps == 0)
|
|
{
|
|
s->eta = TR_ETA_UNKNOWN;
|
|
}
|
|
else
|
|
{
|
|
s->eta = seedRatioBytesLeft / tor->etaSpeed_Bps;
|
|
}
|
|
}
|
|
|
|
{
|
|
auto seedIdleMinutes = uint16_t{};
|
|
s->etaIdle = tor->etaSpeed_Bps < 1 && tr_torrentGetSeedIdle(tor, &seedIdleMinutes) ?
|
|
seedIdleMinutes * 60 - s->idleSecs :
|
|
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 = 1.0F;
|
|
}
|
|
else if (seedRatioBytesGoal == 0) /* impossible? safeguard for div by zero */
|
|
{
|
|
s->seedRatioPercentDone = 0.0F;
|
|
}
|
|
else
|
|
{
|
|
s->seedRatioPercentDone = float(seedRatioBytesGoal - seedRatioBytesLeft) / seedRatioBytesGoal;
|
|
}
|
|
|
|
/* test some of the constraints */
|
|
TR_ASSERT(s->sizeWhenDone <= tor->totalSize());
|
|
TR_ASSERT(s->leftUntilDone <= s->sizeWhenDone);
|
|
TR_ASSERT(s->desiredAvailable <= s->leftUntilDone);
|
|
|
|
return s;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
tr_file_view tr_torrentFile(tr_torrent const* tor, tr_file_index_t i)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
auto const& subpath = tor->fileSubpath(i);
|
|
auto const priority = tor->file_priorities_.filePriority(i);
|
|
auto const wanted = tor->files_wanted_.fileWanted(i);
|
|
auto const length = tor->fileSize(i);
|
|
|
|
if (tor->completeness == TR_SEED || length == 0)
|
|
{
|
|
return { subpath.c_str(), length, length, 1.0, priority, wanted };
|
|
}
|
|
|
|
auto const have = tor->completion.countHasBytesInSpan(tor->fpm_.byteSpan(i));
|
|
return { subpath.c_str(), have, length, have >= length ? 1.0 : have / double(length), priority, wanted };
|
|
}
|
|
|
|
size_t tr_torrentFileCount(tr_torrent const* torrent)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(torrent));
|
|
|
|
return torrent->fileCount();
|
|
}
|
|
|
|
tr_webseed_view tr_torrentWebseed(tr_torrent const* tor, size_t i)
|
|
{
|
|
return tr_peerMgrWebseed(tor, i);
|
|
}
|
|
|
|
size_t tr_torrentWebseedCount(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->webseedCount();
|
|
}
|
|
|
|
tr_tracker_view tr_torrentTracker(tr_torrent const* tor, size_t i)
|
|
{
|
|
return tr_announcerTracker(tor, i);
|
|
}
|
|
|
|
size_t tr_torrentTrackerCount(tr_torrent const* tor)
|
|
{
|
|
return tr_announcerTrackerCount(tor);
|
|
}
|
|
|
|
tr_torrent_view tr_torrentView(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
auto ret = tr_torrent_view{};
|
|
ret.name = tr_torrentName(tor);
|
|
ret.hash_string = tor->infoHashString().c_str();
|
|
ret.comment = tor->comment().c_str();
|
|
ret.creator = tor->creator().c_str();
|
|
ret.source = tor->source().c_str();
|
|
ret.total_size = tor->totalSize();
|
|
ret.date_created = tor->dateCreated();
|
|
ret.piece_size = tor->pieceSize();
|
|
ret.n_pieces = tor->pieceCount();
|
|
ret.is_private = tor->isPrivate();
|
|
ret.is_folder = tor->fileCount() > 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
char* tr_torrentFilename(tr_torrent const* tor)
|
|
{
|
|
return tr_strvDup(tor->torrentFile());
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
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, int /*peerCount*/)
|
|
{
|
|
tr_free(peers);
|
|
}
|
|
|
|
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* tabs, int n_tabs)
|
|
{
|
|
return tor->amountDoneBins(tabs, n_tabs);
|
|
}
|
|
|
|
static void tr_torrentResetTransferStats(tr_torrent* tor)
|
|
{
|
|
auto const lock = tor->unique_lock();
|
|
|
|
tor->downloadedPrev += tor->downloadedCur;
|
|
tor->downloadedCur = 0;
|
|
tor->uploadedPrev += tor->uploadedCur;
|
|
tor->uploadedCur = 0;
|
|
tor->corruptPrev += tor->corruptCur;
|
|
tor->corruptCur = 0;
|
|
|
|
tor->setDirty();
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
#ifdef TR_ENABLE_ASSERTS
|
|
static bool queueIsSequenced(tr_session* /*session*/);
|
|
#endif
|
|
|
|
static void freeTorrent(tr_torrent* tor)
|
|
{
|
|
auto const lock = tor->unique_lock();
|
|
|
|
TR_ASSERT(!tor->isRunning);
|
|
|
|
tr_session* session = tor->session;
|
|
|
|
tr_peerMgrRemoveTorrent(tor);
|
|
|
|
tr_announcerRemoveTorrent(session->announcer, tor);
|
|
|
|
session->torrents().remove(tor, tr_time());
|
|
|
|
if (!session->isClosing())
|
|
{
|
|
// "so you die, captain, and we all move up in rank."
|
|
// resequence the queue positions
|
|
for (auto* t : session->torrents())
|
|
{
|
|
if (t->queuePosition > tor->queuePosition)
|
|
{
|
|
t->queuePosition--;
|
|
t->markChanged();
|
|
}
|
|
}
|
|
|
|
TR_ASSERT(queueIsSequenced(session));
|
|
}
|
|
|
|
delete tor;
|
|
}
|
|
|
|
/**
|
|
*** Start/Stop Callback
|
|
**/
|
|
|
|
static void torrentSetQueued(tr_torrent* tor, bool queued);
|
|
|
|
static void torrentStartImpl(tr_torrent* const tor)
|
|
{
|
|
auto const lock = tor->unique_lock();
|
|
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->recheckCompleteness();
|
|
torrentSetQueued(tor, false);
|
|
|
|
time_t const now = tr_time();
|
|
|
|
tor->isRunning = true;
|
|
tor->completeness = tor->completion.status();
|
|
tor->startDate = now;
|
|
tor->markChanged();
|
|
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);
|
|
}
|
|
|
|
static bool torrentShouldQueue(tr_torrent const* tor)
|
|
{
|
|
tr_direction const dir = tor->queueDirection();
|
|
|
|
return tr_sessionCountQueueFreeSlots(tor->session, dir) == 0;
|
|
}
|
|
|
|
static void torrentStart(tr_torrent* tor, torrent_start_opts opts)
|
|
{
|
|
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 (!opts.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 (!opts.bypass_queue && torrentShouldQueue(tor))
|
|
{
|
|
torrentSetQueued(tor, true);
|
|
return;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
/* don't allow the torrent to be started if the files disappeared */
|
|
if (setLocalErrorIfFilesDisappeared(tor, opts.has_local_data))
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* otherwise, start it now... */
|
|
auto const lock = tor->unique_lock();
|
|
|
|
/* allow finished torrents to be resumed */
|
|
if (tr_torrentIsSeedRatioDone(tor))
|
|
{
|
|
tr_logAddInfoTor(tor, _("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;
|
|
tor->setDirty();
|
|
tr_runInEventThread(tor->session, torrentStartImpl, tor);
|
|
}
|
|
|
|
void tr_torrentStart(tr_torrent* tor)
|
|
{
|
|
if (tr_isTorrent(tor))
|
|
{
|
|
tor->startAfterVerify = true;
|
|
torrentStart(tor, {});
|
|
}
|
|
}
|
|
|
|
void tr_torrentStartNow(tr_torrent* tor)
|
|
{
|
|
if (tr_isTorrent(tor))
|
|
{
|
|
auto opts = torrent_start_opts{};
|
|
opts.bypass_queue = true;
|
|
torrentStart(tor, opts);
|
|
}
|
|
}
|
|
|
|
static void onVerifyDoneThreadFunc(tr_torrent* const tor)
|
|
{
|
|
TR_ASSERT(tr_amInEventThread(tor->session));
|
|
|
|
if (tor->isDeleting)
|
|
{
|
|
return;
|
|
}
|
|
|
|
tor->recheckCompleteness();
|
|
|
|
if (tor->startAfterVerify)
|
|
{
|
|
tor->startAfterVerify = false;
|
|
|
|
auto opts = torrent_start_opts{};
|
|
opts.has_local_data = !tor->checked_pieces_.hasNone();
|
|
torrentStart(tor, opts);
|
|
}
|
|
}
|
|
|
|
static void onVerifyDone(tr_torrent* tor, bool aborted, void* /*unused*/)
|
|
{
|
|
if (aborted || tor->isDeleting)
|
|
{
|
|
return;
|
|
}
|
|
|
|
tr_runInEventThread(tor->session, onVerifyDoneThreadFunc, tor);
|
|
}
|
|
|
|
static void verifyTorrent(tr_torrent* const tor)
|
|
{
|
|
TR_ASSERT(tr_amInEventThread(tor->session));
|
|
auto const lock = tor->unique_lock();
|
|
|
|
if (tor->isDeleting)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* if the torrent's already being verified, stop it */
|
|
tr_verifyRemove(tor);
|
|
|
|
bool const startAfter = (tor->isRunning || tor->startAfterVerify) && !tor->isStopping;
|
|
|
|
if (tor->isRunning)
|
|
{
|
|
tr_torrentStop(tor);
|
|
}
|
|
|
|
if (setLocalErrorIfFilesDisappeared(tor))
|
|
{
|
|
tor->startAfterVerify = false;
|
|
}
|
|
else
|
|
{
|
|
tor->startAfterVerify = startAfter;
|
|
tr_verifyAdd(tor, onVerifyDone, nullptr);
|
|
}
|
|
}
|
|
|
|
void tr_torrentVerify(tr_torrent* tor)
|
|
{
|
|
tr_runInEventThread(tor->session, verifyTorrent, tor);
|
|
}
|
|
|
|
void tr_torrentSave(tr_torrent* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->isDirty)
|
|
{
|
|
tor->isDirty = false;
|
|
tr_resume::save(tor);
|
|
}
|
|
}
|
|
|
|
static void stopTorrent(tr_torrent* const tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(tr_amInEventThread(tor->session));
|
|
auto const lock = tor->unique_lock();
|
|
|
|
if (!tor->session->isClosing())
|
|
{
|
|
tr_logAddInfoTor(tor, _("Pausing torrent"));
|
|
}
|
|
|
|
tr_verifyRemove(tor);
|
|
tr_peerMgrStopTorrent(tor);
|
|
tr_announcerTorrentStopped(tor);
|
|
|
|
tor->session->closeTorrentFiles(tor);
|
|
|
|
if (!tor->isDeleting)
|
|
{
|
|
tr_torrentSave(tor);
|
|
}
|
|
|
|
torrentSetQueued(tor, false);
|
|
|
|
if (tor->magnetVerify)
|
|
{
|
|
tor->magnetVerify = false;
|
|
tr_logAddTraceTor(tor, "Magnet Verify");
|
|
tor->refreshCurrentDir();
|
|
tr_torrentVerify(tor);
|
|
|
|
callScriptIfEnabled(tor, TR_SCRIPT_ON_TORRENT_ADDED);
|
|
}
|
|
}
|
|
|
|
void tr_torrentStop(tr_torrent* tor)
|
|
{
|
|
if (!tr_isTorrent(tor))
|
|
{
|
|
return;
|
|
}
|
|
|
|
auto const lock = tor->unique_lock();
|
|
|
|
tor->isRunning = false;
|
|
tor->isStopping = false;
|
|
tor->setDirty();
|
|
tr_runInEventThread(tor->session, stopTorrent, tor);
|
|
}
|
|
|
|
static void closeTorrent(tr_torrent* const tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(tr_amInEventThread(tor->session));
|
|
|
|
if (!tor->session->isClosing())
|
|
{
|
|
tr_logAddInfoTor(tor, _("Removing torrent"));
|
|
}
|
|
|
|
tor->magnetVerify = false;
|
|
stopTorrent(tor);
|
|
|
|
if (tor->isDeleting)
|
|
{
|
|
tr_torrent_metainfo::removeFile(tor->session->torrent_dir, tor->name(), tor->infoHashString(), ".torrent"sv);
|
|
tr_torrent_metainfo::removeFile(tor->session->torrent_dir, tor->name(), tor->infoHashString(), ".magnet"sv);
|
|
tr_torrent_metainfo::removeFile(tor->session->resume_dir, tor->name(), tor->infoHashString(), ".resume"sv);
|
|
}
|
|
|
|
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));
|
|
|
|
auto const lock = tor->unique_lock();
|
|
|
|
tr_runInEventThread(session, closeTorrent, tor);
|
|
}
|
|
}
|
|
|
|
static void removeTorrentInEventThread(tr_torrent* tor, bool delete_flag, tr_fileFunc delete_func)
|
|
{
|
|
auto const lock = tor->unique_lock();
|
|
|
|
if (delete_flag && tor->hasMetainfo())
|
|
{
|
|
// ensure the files are all closed and idle before moving
|
|
tor->session->closeTorrentFiles(tor);
|
|
tr_verifyRemove(tor);
|
|
|
|
if (delete_func == nullptr)
|
|
{
|
|
delete_func = tr_sys_path_remove;
|
|
}
|
|
|
|
auto const delete_func_wrapper = [&delete_func](char const* filename)
|
|
{
|
|
delete_func(filename, nullptr);
|
|
};
|
|
tor->metainfo_.files().remove(tor->currentDir(), tor->name(), delete_func_wrapper);
|
|
}
|
|
|
|
closeTorrent(tor);
|
|
}
|
|
|
|
void tr_torrentRemove(tr_torrent* tor, bool delete_flag, tr_fileFunc delete_func)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->isDeleting = true;
|
|
|
|
tr_runInEventThread(tor->session, removeTorrentInEventThread, tor, delete_flag, delete_func);
|
|
}
|
|
|
|
/**
|
|
*** 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 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 std::string buildTrackersString(tr_torrent const* tor)
|
|
{
|
|
auto buf = std::stringstream{};
|
|
|
|
for (size_t i = 0, n = tr_torrentTrackerCount(tor); i < n; ++i)
|
|
{
|
|
buf << tr_torrentTracker(tor, i).host;
|
|
|
|
if (++i < n)
|
|
{
|
|
buf << ',';
|
|
}
|
|
}
|
|
|
|
return buf.str();
|
|
}
|
|
|
|
static void torrentCallScript(tr_torrent const* tor, char const* script)
|
|
{
|
|
if (tr_str_is_empty(script))
|
|
{
|
|
return;
|
|
}
|
|
|
|
auto torrent_dir = tr_pathbuf{ tor->currentDir() };
|
|
tr_sys_path_native_separators(std::data(torrent_dir));
|
|
|
|
auto const cmd = std::array<char const*, 2>{ script, nullptr };
|
|
|
|
auto const id_str = std::to_string(tr_torrentId(tor));
|
|
auto const labels_str = buildLabelsString(tor);
|
|
auto const trackers_str = buildTrackersString(tor);
|
|
auto const bytes_downloaded_str = std::to_string(tor->downloadedCur + tor->downloadedPrev);
|
|
|
|
auto const env = std::map<std::string_view, std::string_view>{
|
|
{ "TR_APP_VERSION"sv, SHORT_VERSION_STRING },
|
|
{ "TR_TIME_LOCALTIME"sv, fmt::format("{:%a %b %d %T %Y%n}", fmt::localtime(tr_time())) },
|
|
{ "TR_TORRENT_BYTES_DOWNLOADED"sv, bytes_downloaded_str },
|
|
{ "TR_TORRENT_DIR"sv, torrent_dir.c_str() },
|
|
{ "TR_TORRENT_HASH"sv, tor->infoHashString() },
|
|
{ "TR_TORRENT_ID"sv, id_str },
|
|
{ "TR_TORRENT_LABELS"sv, labels_str },
|
|
{ "TR_TORRENT_NAME"sv, tr_torrentName(tor) },
|
|
{ "TR_TORRENT_TRACKERS"sv, trackers_str },
|
|
};
|
|
|
|
tr_logAddInfoTor(tor, fmt::format(_("Calling script '{path}'"), fmt::arg("path", script)));
|
|
|
|
tr_error* error = nullptr;
|
|
|
|
if (!tr_spawn_async(std::data(cmd), env, TR_IF_WIN32("\\", "/"), &error))
|
|
{
|
|
tr_logAddWarnTor(
|
|
tor,
|
|
fmt::format(
|
|
_("Couldn't call script '{path}': {error} ({error_code})"),
|
|
fmt::arg("path", script),
|
|
fmt::arg("error", error->message),
|
|
fmt::arg("error_code", error->code)));
|
|
tr_error_free(error);
|
|
}
|
|
}
|
|
|
|
void tr_torrent::recheckCompleteness()
|
|
{
|
|
auto const lock = unique_lock();
|
|
|
|
auto const new_completeness = completion.status();
|
|
|
|
if (new_completeness != completeness)
|
|
{
|
|
bool const recentChange = downloadedCur != 0;
|
|
bool const wasLeeching = !this->isDone();
|
|
bool const wasRunning = isRunning;
|
|
|
|
if (recentChange)
|
|
{
|
|
tr_logAddTraceTor(
|
|
this,
|
|
fmt::format(
|
|
"State changed from {} to {}",
|
|
getCompletionString(this->completeness),
|
|
getCompletionString(completeness)));
|
|
}
|
|
|
|
this->completeness = new_completeness;
|
|
this->session->closeTorrentFiles(this);
|
|
|
|
if (this->isDone())
|
|
{
|
|
if (recentChange)
|
|
{
|
|
tr_announcerTorrentCompleted(this);
|
|
this->markChanged();
|
|
this->doneDate = tr_time();
|
|
}
|
|
|
|
if (wasLeeching && wasRunning)
|
|
{
|
|
/* clear interested flag on all peers */
|
|
tr_peerMgrClearInterest(this);
|
|
}
|
|
|
|
if (this->currentDir() == this->incompleteDir())
|
|
{
|
|
this->setLocation(this->downloadDir(), true, nullptr, nullptr);
|
|
}
|
|
}
|
|
|
|
this->session->onTorrentCompletenessChanged(this, completeness, wasRunning);
|
|
|
|
if (this->isDone() && wasLeeching && wasRunning)
|
|
{
|
|
/* if completeness was TR_LEECH, the seed limit check
|
|
will have been skipped in bandwidthPulse */
|
|
tr_torrentCheckSeedLimit(this);
|
|
}
|
|
|
|
this->setDirty();
|
|
|
|
if (this->isDone())
|
|
{
|
|
tr_torrentSave(this);
|
|
callScriptIfEnabled(this, TR_SCRIPT_ON_TORRENT_DONE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
*** File DND
|
|
**/
|
|
|
|
void tr_torrentSetFileDLs(tr_torrent* tor, tr_file_index_t const* files, tr_file_index_t n_files, bool wanted)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
tor->setFilesWanted(files, n_files, wanted);
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_torrent::setLabels(std::vector<tr_quark> const& new_labels)
|
|
{
|
|
auto const lock = unique_lock();
|
|
this->labels.clear();
|
|
|
|
for (auto label : new_labels)
|
|
{
|
|
if (std::find(std::begin(this->labels), std::end(this->labels), label) == std::end(this->labels))
|
|
{
|
|
this->labels.push_back(label);
|
|
}
|
|
}
|
|
this->labels.shrink_to_fit();
|
|
this->setDirty();
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_torrent::setBandwidthGroup(std::string_view bandwidth_group) noexcept
|
|
{
|
|
bandwidth_group = tr_strvStrip(bandwidth_group);
|
|
|
|
auto const lock = this->unique_lock();
|
|
|
|
if (std::empty(bandwidth_group))
|
|
{
|
|
this->bandwidth_group_ = tr_interned_string{};
|
|
this->bandwidth_.setParent(&this->session->top_bandwidth_);
|
|
}
|
|
else
|
|
{
|
|
this->bandwidth_group_ = bandwidth_group;
|
|
this->bandwidth_.setParent(&this->session->getBandwidthGroup(bandwidth_group));
|
|
}
|
|
|
|
this->setDirty();
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
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);
|
|
|
|
tor->setDirty();
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void tr_torrentSetPeerLimit(tr_torrent* tor, uint16_t max_connected_peers)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->max_connected_peers != max_connected_peers)
|
|
{
|
|
tor->max_connected_peers = max_connected_peers;
|
|
|
|
tor->setDirty();
|
|
}
|
|
}
|
|
|
|
uint16_t tr_torrentGetPeerLimit(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
return tor->max_connected_peers;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
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->pieceCount())
|
|
{
|
|
err = 1;
|
|
}
|
|
else if (length < 1)
|
|
{
|
|
err = 2;
|
|
}
|
|
else if (offset + length > tor->pieceSize(index))
|
|
{
|
|
err = 3;
|
|
}
|
|
else if (length > tr_block_info::BlockSize)
|
|
{
|
|
err = 4;
|
|
}
|
|
else if (tor->pieceLoc(index, offset, length).byte > tor->totalSize())
|
|
{
|
|
err = 5;
|
|
}
|
|
|
|
if (err != 0)
|
|
{
|
|
tr_logAddTraceTor(tor, fmt::format("index {} offset {} length {} err {}", index, offset, length, err));
|
|
}
|
|
|
|
return err == 0;
|
|
}
|
|
|
|
// TODO(ckerr) migrate to fpm?
|
|
tr_block_span_t tr_torGetFileBlockSpan(tr_torrent const* tor, tr_file_index_t i)
|
|
{
|
|
auto const [begin_byte, end_byte] = tor->fpm_.byteSpan(i);
|
|
|
|
auto const begin_block = tor->byteLoc(begin_byte).block;
|
|
if (begin_byte >= end_byte) // 0-byte file
|
|
{
|
|
return { begin_block, begin_block + 1 };
|
|
}
|
|
|
|
auto const final_block = tor->byteLoc(end_byte - 1).block;
|
|
auto const end_block = final_block + 1;
|
|
return { begin_block, end_block };
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
// TODO: should be const after tr_ioTestPiece() is const
|
|
bool tr_torrent::checkPiece(tr_piece_index_t piece)
|
|
{
|
|
bool const pass = tr_ioTestPiece(this, piece);
|
|
tr_logAddTraceTor(this, fmt::format("[LAZY] tr_torrent.checkPiece tested piece {}, pass=={}", piece, pass));
|
|
return pass;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
bool tr_torrent::setTrackerList(std::string_view text)
|
|
{
|
|
auto const lock = this->unique_lock();
|
|
|
|
auto announce_list = tr_announce_list();
|
|
if (!announce_list.parse(text))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
auto const has_metadata = this->hasMetainfo();
|
|
if (has_metadata && !announce_list.save(torrentFile()))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
this->metainfo_.announceList() = announce_list;
|
|
this->markEdited();
|
|
|
|
// magnet links
|
|
if (!has_metadata)
|
|
{
|
|
auto const magnet_file = magnetFile();
|
|
auto const magnet_link = this->magnet();
|
|
tr_error* save_error = nullptr;
|
|
if (!tr_saveFile(magnet_file, magnet_link, &save_error))
|
|
{
|
|
this->setLocalError(fmt::format(
|
|
_("Couldn't save '{path}': {error} ({error_code})"),
|
|
fmt::arg("path", magnet_file),
|
|
fmt::arg("error", save_error->message),
|
|
fmt::arg("error_code", save_error->code)));
|
|
tr_error_clear(&save_error);
|
|
}
|
|
}
|
|
|
|
/* if we had a tracker-related error on this torrent,
|
|
* and that tracker's been removed,
|
|
* then clear the error */
|
|
if (this->error == TR_STAT_TRACKER_WARNING || this->error == TR_STAT_TRACKER_ERROR)
|
|
{
|
|
auto const error_url = this->error_announce_url;
|
|
|
|
if (std::any_of(
|
|
std::begin(this->announceList()),
|
|
std::end(this->announceList()),
|
|
[error_url](auto const& tracker) { return tracker.announce == error_url; }))
|
|
{
|
|
tr_torrentClearError(this);
|
|
}
|
|
}
|
|
|
|
/* tell the announcer to reload this torrent's tracker list */
|
|
tr_announcerResetTorrent(this->session->announcer, this);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool tr_torrentSetTrackerList(tr_torrent* tor, char const* text)
|
|
{
|
|
return text != nullptr && tor->setTrackerList(text);
|
|
}
|
|
|
|
char* tr_torrentGetTrackerList(tr_torrent const* tor)
|
|
{
|
|
return tr_strvDup(tor->trackerList());
|
|
}
|
|
|
|
/**
|
|
***
|
|
**/
|
|
|
|
uint64_t tr_torrentGetBytesLeftToAllocate(tr_torrent const* tor)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
uint64_t bytes_left = 0;
|
|
|
|
for (tr_file_index_t i = 0, n = tor->fileCount(); i < n; ++i)
|
|
{
|
|
if (auto const wanted = tor->files_wanted_.fileWanted(i); !wanted)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
auto const length = tor->fileSize(i);
|
|
bytes_left += length;
|
|
|
|
auto const found = tor->findFile(i);
|
|
if (found)
|
|
{
|
|
bytes_left -= found->size;
|
|
}
|
|
}
|
|
|
|
return bytes_left;
|
|
}
|
|
|
|
///
|
|
|
|
static void setLocationInEventThread(
|
|
tr_torrent* tor,
|
|
std::string const& path,
|
|
bool move_from_old_path,
|
|
double volatile* setme_progress,
|
|
int volatile* setme_state)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(tr_amInEventThread(tor->session));
|
|
|
|
auto ok = bool{ true };
|
|
if (move_from_old_path)
|
|
{
|
|
if (setme_state != nullptr)
|
|
{
|
|
*setme_state = TR_LOC_MOVING;
|
|
}
|
|
|
|
// ensure the files are all closed and idle before moving
|
|
tor->session->closeTorrentFiles(tor);
|
|
tr_verifyRemove(tor);
|
|
|
|
tr_error* error = nullptr;
|
|
ok = tor->metainfo_.files().move(tor->currentDir(), path, setme_progress, tor->name(), &error);
|
|
if (error != nullptr)
|
|
{
|
|
tr_logAddError(fmt::format(
|
|
_("Couldn't move '{old_path}' to '{path}': {error} ({error_code})"),
|
|
fmt::arg("old_path", tor->currentDir()),
|
|
fmt::arg("path", path),
|
|
fmt::arg("error", error->message),
|
|
fmt::arg("error_code", error->code)));
|
|
tr_error_clear(&error);
|
|
}
|
|
}
|
|
|
|
// tell the torrent where the files are
|
|
if (ok)
|
|
{
|
|
tor->setDownloadDir(path);
|
|
|
|
if (move_from_old_path)
|
|
{
|
|
tor->incomplete_dir.clear();
|
|
tor->current_dir = tor->downloadDir();
|
|
}
|
|
}
|
|
|
|
if (setme_state != nullptr)
|
|
{
|
|
*setme_state = ok ? TR_LOC_DONE : TR_LOC_ERROR;
|
|
}
|
|
}
|
|
|
|
void tr_torrent::setLocation(
|
|
std::string_view path,
|
|
bool move_from_old_path,
|
|
double volatile* setme_progress,
|
|
int volatile* setme_state)
|
|
{
|
|
if (setme_state != nullptr)
|
|
{
|
|
*setme_state = TR_LOC_MOVING;
|
|
}
|
|
|
|
tr_runInEventThread(
|
|
this->session,
|
|
setLocationInEventThread,
|
|
this,
|
|
std::string{ path },
|
|
move_from_old_path,
|
|
setme_progress,
|
|
setme_state);
|
|
}
|
|
|
|
void tr_torrentSetLocation(
|
|
tr_torrent* tor,
|
|
char const* path,
|
|
bool move_from_old_path,
|
|
double volatile* setme_progress,
|
|
int volatile* setme_state)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
TR_ASSERT(!tr_str_is_empty(path));
|
|
|
|
tor->setLocation(path, move_from_old_path, setme_progress, setme_state);
|
|
}
|
|
|
|
///
|
|
|
|
std::string_view tr_torrent::primaryMimeType() const
|
|
{
|
|
// count up how many bytes there are for each mime-type in the torrent
|
|
// NB: get_mime_type_for_filename() always returns the same ptr for a
|
|
// mime_type, so its raw pointer can be used as a key.
|
|
auto size_per_mime_type = std::unordered_map<std::string_view, size_t>{};
|
|
for (tr_file_index_t i = 0, n = this->fileCount(); i < n; ++i)
|
|
{
|
|
auto const mime_type = tr_get_mime_type_for_filename(this->fileSubpath(i));
|
|
size_per_mime_type[mime_type] += this->fileSize(i);
|
|
}
|
|
|
|
if (std::empty(size_per_mime_type))
|
|
{
|
|
// 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.
|
|
auto constexpr Fallback = "application/octet-stream"sv;
|
|
return Fallback;
|
|
}
|
|
|
|
auto const it = std::max_element(
|
|
std::begin(size_per_mime_type),
|
|
std::end(size_per_mime_type),
|
|
[](auto const& a, auto const& b) { return a.second < b.second; });
|
|
return it->first;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
static void tr_torrentFileCompleted(tr_torrent* tor, tr_file_index_t i)
|
|
{
|
|
/* close the file so that we can reopen in read-only mode as needed */
|
|
tor->session->closeTorrentFile(tor, i);
|
|
|
|
/* 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 */
|
|
tor->file_mtimes_[i] = tr_time();
|
|
|
|
/* 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 (auto found = tor->findFile(i); found)
|
|
{
|
|
if (auto const& file_subpath = tor->fileSubpath(i); file_subpath != found->subpath())
|
|
{
|
|
auto const& oldpath = found->filename();
|
|
auto const newpath = tr_pathbuf{ found->base(), '/', file_subpath };
|
|
tr_error* error = nullptr;
|
|
|
|
if (!tr_sys_path_rename(oldpath, newpath, &error))
|
|
{
|
|
tr_logAddErrorTor(
|
|
tor,
|
|
fmt::format(
|
|
_("Couldn't move '{old_path}' to '{path}': {error} ({error_code})"),
|
|
fmt::arg("old_path", oldpath),
|
|
fmt::arg("path", newpath),
|
|
fmt::arg("error", error->message),
|
|
fmt::arg("error_code", error->code)));
|
|
tr_error_free(error);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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
|
|
auto const [begin, end] = tor->fpm_.fileSpan(pieceIndex);
|
|
for (tr_file_index_t file = begin; file < end; ++file)
|
|
{
|
|
if (tor->completion.hasBlocks(tr_torGetFileBlockSpan(tor, file)))
|
|
{
|
|
tr_torrentFileCompleted(tor, file);
|
|
}
|
|
}
|
|
}
|
|
|
|
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 = !tor->hasBlock(block);
|
|
|
|
if (block_is_new)
|
|
{
|
|
tor->completion.addBlock(block);
|
|
tor->setDirty();
|
|
|
|
auto const piece = tor->blockLoc(block).piece;
|
|
|
|
if (tor->hasPiece(piece))
|
|
{
|
|
if (tor->checkPiece(piece))
|
|
{
|
|
tr_torrentPieceCompleted(tor, piece);
|
|
}
|
|
else
|
|
{
|
|
uint32_t const n = tor->pieceSize(piece);
|
|
tr_logAddDebugTor(tor, fmt::format("Piece {}, which was just downloaded, failed its checksum test", piece));
|
|
tor->corruptCur += n;
|
|
tor->downloadedCur -= std::min(tor->downloadedCur, uint64_t{ n });
|
|
tr_peerMgrGotBadPiece(tor, piece);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
uint32_t const n = tor->blockSize(block);
|
|
tor->downloadedCur -= std::min(tor->downloadedCur, uint64_t{ n });
|
|
tr_logAddDebugTor(tor, "we have this block already...");
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
// TODO: clients that call this should call tr_torrent::findFile() instead
|
|
char* tr_torrentFindFile(tr_torrent const* tor, tr_file_index_t fileNum)
|
|
{
|
|
auto const found = tor->findFile(fileNum);
|
|
return found ? tr_strdup(found->filename()) : nullptr;
|
|
}
|
|
|
|
// decide whether we should be looking for files in downloadDir or incompleteDir
|
|
void tr_torrent::refreshCurrentDir()
|
|
{
|
|
auto dir = tr_interned_string{};
|
|
|
|
if (std::empty(incompleteDir()))
|
|
{
|
|
dir = downloadDir();
|
|
}
|
|
else if (!hasMetainfo()) // no files to find
|
|
{
|
|
dir = incompleteDir();
|
|
}
|
|
else
|
|
{
|
|
auto const found = findFile(0);
|
|
dir = found ? tr_interned_string{ found->base() } : incompleteDir();
|
|
}
|
|
|
|
TR_ASSERT(!std::empty(dir));
|
|
TR_ASSERT(dir == downloadDir() || dir == incompleteDir());
|
|
|
|
current_dir = dir;
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
#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;
|
|
|
|
if (pos < 0)
|
|
{
|
|
pos = 0;
|
|
}
|
|
|
|
tor->queuePosition = -1;
|
|
|
|
for (auto* const walk : tor->session->torrents())
|
|
{
|
|
if ((old_pos < pos) && (old_pos <= walk->queuePosition) && (walk->queuePosition <= pos))
|
|
{
|
|
walk->queuePosition--;
|
|
walk->markChanged();
|
|
}
|
|
|
|
if ((old_pos > pos) && (pos <= walk->queuePosition) && (walk->queuePosition < old_pos))
|
|
{
|
|
walk->queuePosition++;
|
|
walk->markChanged();
|
|
}
|
|
|
|
if (back < walk->queuePosition)
|
|
{
|
|
back = walk->queuePosition;
|
|
}
|
|
}
|
|
|
|
tor->queuePosition = std::min(pos, back + 1);
|
|
tor->markChanged();
|
|
|
|
TR_ASSERT(queueIsSequenced(tor->session));
|
|
}
|
|
|
|
struct CompareTorrentByQueuePosition
|
|
{
|
|
bool operator()(tr_torrent const* a, tr_torrent const* b) const
|
|
{
|
|
return a->queuePosition < b->queuePosition;
|
|
}
|
|
};
|
|
|
|
void tr_torrentsQueueMoveTop(tr_torrent* const* torrents_in, size_t n)
|
|
{
|
|
auto torrents = std::vector<tr_torrent*>(torrents_in, torrents_in + n);
|
|
std::sort(std::rbegin(torrents), std::rend(torrents), CompareTorrentByQueuePosition{});
|
|
for (auto* tor : torrents)
|
|
{
|
|
tr_torrentSetQueuePosition(tor, 0);
|
|
}
|
|
}
|
|
|
|
void tr_torrentsQueueMoveUp(tr_torrent* const* torrents_in, size_t n)
|
|
{
|
|
auto torrents = std::vector<tr_torrent*>(torrents_in, torrents_in + n);
|
|
std::sort(std::begin(torrents), std::end(torrents), CompareTorrentByQueuePosition{});
|
|
for (auto* tor : torrents)
|
|
{
|
|
tr_torrentSetQueuePosition(tor, tor->queuePosition - 1);
|
|
}
|
|
}
|
|
|
|
void tr_torrentsQueueMoveDown(tr_torrent* const* torrents_in, size_t n)
|
|
{
|
|
auto torrents = std::vector<tr_torrent*>(torrents_in, torrents_in + n);
|
|
std::sort(std::rbegin(torrents), std::rend(torrents), CompareTorrentByQueuePosition{});
|
|
for (auto* tor : torrents)
|
|
{
|
|
tr_torrentSetQueuePosition(tor, tor->queuePosition + 1);
|
|
}
|
|
}
|
|
|
|
void tr_torrentsQueueMoveBottom(tr_torrent* const* torrents_in, size_t n)
|
|
{
|
|
auto torrents = std::vector<tr_torrent*>(torrents_in, torrents_in + n);
|
|
std::sort(std::begin(torrents), std::end(torrents), CompareTorrentByQueuePosition{});
|
|
for (auto* tor : torrents)
|
|
{
|
|
tr_torrentSetQueuePosition(tor, INT_MAX);
|
|
}
|
|
}
|
|
|
|
static void torrentSetQueued(tr_torrent* tor, bool queued)
|
|
{
|
|
TR_ASSERT(tr_isTorrent(tor));
|
|
|
|
if (tor->isQueued() != queued)
|
|
{
|
|
tor->is_queued = queued;
|
|
tor->markChanged();
|
|
tor->setDirty();
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
**** 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 auto renameFindAffectedFiles(tr_torrent const* tor, std::string_view oldpath)
|
|
{
|
|
auto indices = std::vector<tr_file_index_t>{};
|
|
auto const oldpath_as_dir = tr_pathbuf{ oldpath, '/' };
|
|
auto const n_files = tor->fileCount();
|
|
|
|
for (tr_file_index_t i = 0; i < n_files; ++i)
|
|
{
|
|
auto const& name = tor->fileSubpath(i);
|
|
if (name == oldpath || tr_strvStartsWith(name, oldpath_as_dir))
|
|
{
|
|
indices.push_back(i);
|
|
}
|
|
}
|
|
|
|
return indices;
|
|
}
|
|
|
|
static int renamePath(tr_torrent* tor, char const* oldpath, char const* newname)
|
|
{
|
|
int err = 0;
|
|
|
|
auto const base = tor->isDone() || std::empty(tor->incompleteDir()) ? tor->downloadDir() : tor->incompleteDir();
|
|
|
|
auto src = tr_pathbuf{ base, '/', oldpath };
|
|
|
|
if (!tr_sys_path_exists(src)) /* check for it as a partial */
|
|
{
|
|
src += tr_torrent_files::PartialFileSuffix;
|
|
}
|
|
|
|
if (tr_sys_path_exists(src))
|
|
{
|
|
auto const parent = tr_sys_path_dirname(src);
|
|
auto const tgt = tr_strvEndsWith(src, tr_torrent_files::PartialFileSuffix) ?
|
|
tr_pathbuf{ parent, '/', newname, tr_torrent_files::PartialFileSuffix } :
|
|
tr_pathbuf{ parent, '/', newname };
|
|
|
|
auto tmp = errno;
|
|
bool const tgt_exists = tr_sys_path_exists(tgt);
|
|
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;
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void renameTorrentFileString(tr_torrent* tor, char const* oldpath, char const* newname, tr_file_index_t file_index)
|
|
{
|
|
auto name = std::string{};
|
|
auto const subpath = std::string_view{ tor->fileSubpath(file_index) };
|
|
auto const oldpath_len = strlen(oldpath);
|
|
|
|
if (strchr(oldpath, TR_PATH_DELIMITER) == nullptr)
|
|
{
|
|
if (oldpath_len >= std::size(subpath))
|
|
{
|
|
name = newname;
|
|
}
|
|
else
|
|
{
|
|
name = fmt::format(FMT_STRING("{:s}/{:s}"sv), newname, subpath.substr(oldpath_len + 1));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto const tmp = tr_sys_path_dirname(oldpath);
|
|
|
|
if (std::empty(tmp))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (oldpath_len >= std::size(subpath))
|
|
{
|
|
name = fmt::format(FMT_STRING("{:s}/{:s}"sv), tmp, newname);
|
|
}
|
|
else
|
|
{
|
|
name = fmt::format(FMT_STRING("{:s}/{:s}/{:s}"sv), tmp, newname, subpath.substr(oldpath_len + 1));
|
|
}
|
|
}
|
|
|
|
if (subpath != name)
|
|
{
|
|
tor->setFileSubpath(file_index, name);
|
|
}
|
|
}
|
|
|
|
struct rename_data
|
|
{
|
|
tr_torrent* tor;
|
|
char* oldpath;
|
|
char* newname;
|
|
tr_torrent_rename_done_func callback;
|
|
void* callback_user_data;
|
|
};
|
|
|
|
static void torrentRenamePath(struct rename_data* data)
|
|
{
|
|
auto* 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
|
|
{
|
|
auto const file_indices = renameFindAffectedFiles(tor, oldpath);
|
|
if (std::empty(file_indices))
|
|
{
|
|
error = EINVAL;
|
|
}
|
|
else
|
|
{
|
|
error = renamePath(tor, oldpath, newname);
|
|
|
|
if (error == 0)
|
|
{
|
|
/* update tr_info.files */
|
|
for (auto const& file_index : file_indices)
|
|
{
|
|
renameTorrentFileString(tor, oldpath, newname, file_index);
|
|
}
|
|
|
|
/* update tr_info.name if user changed the toplevel */
|
|
if (std::size(file_indices) == tor->fileCount() && strchr(oldpath, '/') == nullptr)
|
|
{
|
|
tor->setName(newname);
|
|
}
|
|
|
|
tor->markEdited();
|
|
tor->setDirty();
|
|
}
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
tor->markChanged();
|
|
|
|
/* 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_torrent::renamePath(
|
|
std::string_view oldpath,
|
|
std::string_view newname,
|
|
tr_torrent_rename_done_func callback,
|
|
void* callback_user_data)
|
|
{
|
|
auto* const data = tr_new0(struct rename_data, 1);
|
|
data->tor = this;
|
|
data->oldpath = tr_strvDup(oldpath);
|
|
data->newname = tr_strvDup(newname);
|
|
data->callback = callback;
|
|
data->callback_user_data = callback_user_data;
|
|
|
|
tr_runInEventThread(this->session, torrentRenamePath, data);
|
|
}
|
|
|
|
void tr_torrentRenamePath(
|
|
tr_torrent* tor,
|
|
char const* oldpath,
|
|
char const* newname,
|
|
tr_torrent_rename_done_func callback,
|
|
void* callback_user_data)
|
|
{
|
|
oldpath = oldpath != nullptr ? oldpath : "";
|
|
newname = newname != nullptr ? newname : "";
|
|
|
|
tor->renamePath(oldpath, newname, callback, callback_user_data);
|
|
}
|
|
|
|
void tr_torrentSetFilePriorities(
|
|
tr_torrent* tor,
|
|
tr_file_index_t const* files,
|
|
tr_file_index_t fileCount,
|
|
tr_priority_t priority)
|
|
{
|
|
tor->setFilePriorities(files, fileCount, priority);
|
|
}
|
|
|
|
bool tr_torrentHasMetadata(tr_torrent const* tor)
|
|
{
|
|
return tor->hasMetainfo();
|
|
}
|
|
|
|
void tr_torrent::markEdited()
|
|
{
|
|
this->editDate = tr_time();
|
|
}
|
|
|
|
void tr_torrent::markChanged()
|
|
{
|
|
this->anyDate = tr_time();
|
|
}
|
|
|
|
void tr_torrent::setDateActive(time_t t)
|
|
{
|
|
this->activityDate = t;
|
|
this->anyDate = std::max(this->anyDate, this->activityDate);
|
|
}
|
|
|
|
void tr_torrent::setBlocks(tr_bitfield blocks)
|
|
{
|
|
this->completion.setBlocks(std::move(blocks));
|
|
}
|
|
|
|
[[nodiscard]] bool tr_torrent::ensurePieceIsChecked(tr_piece_index_t piece)
|
|
{
|
|
TR_ASSERT(piece < this->pieceCount());
|
|
|
|
if (isPieceChecked(piece))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool const checked = checkPiece(piece);
|
|
this->markChanged();
|
|
this->setDirty();
|
|
|
|
checked_pieces_.set(piece, checked);
|
|
return checked;
|
|
}
|
|
|
|
void tr_torrent::initCheckedPieces(tr_bitfield const& checked, time_t const* mtimes /*fileCount()*/)
|
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{
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TR_ASSERT(std::size(checked) == this->pieceCount());
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checked_pieces_ = checked;
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auto const n = this->fileCount();
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this->file_mtimes_.resize(n);
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for (size_t i = 0; i < n; ++i)
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{
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auto const found = this->findFile(i);
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auto const mtime = found ? found->last_modified_at : 0;
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this->file_mtimes_[i] = mtime;
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// if a file has changed, mark its pieces as unchecked
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if (mtime == 0 || mtime != mtimes[i])
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{
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auto const [begin, end] = piecesInFile(i);
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checked_pieces_.unsetSpan(begin, end);
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}
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}
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}
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