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transmission/libtransmission/rpcimpl.cc

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/*
* This file Copyright (C) 2008-2014 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
#include <algorithm>
#include <array>
#include <cctype> /* isdigit */
#include <cerrno>
#include <cstdlib> /* strtol */
#include <cstring> /* strcmp */
#include <iterator>
#include <string_view>
#include <vector>
#ifndef ZLIB_CONST
#define ZLIB_CONST
#endif
#include <zlib.h>
#include "transmission.h"
#include "completion.h"
#include "crypto-utils.h"
#include "error.h"
#include "fdlimit.h"
#include "file.h"
#include "log.h"
#include "platform-quota.h" /* tr_device_info_get_disk_space() */
#include "rpcimpl.h"
#include "session.h"
#include "session-id.h"
#include "stats.h"
#include "torrent.h"
#include "tr-assert.h"
#include "tr-macros.h"
#include "utils.h"
#include "variant.h"
#include "version.h"
#include "web.h"
#include "web-utils.h"
#define RPC_VERSION 17
#define RPC_VERSION_MIN 14
#define RPC_VERSION_SEMVER "5.3.0"
#define RECENTLY_ACTIVE_SECONDS 60
using namespace std::literals;
#if 0
#define dbgmsg(fmt, ...) fprintf(stderr, "%s:%d " fmt "\n", __FILE__, __LINE__, __VA_ARGS__)
#else
#define dbgmsg(...) tr_logAddDeepNamed("RPC", __VA_ARGS__)
#endif
enum tr_format
{
TR_FORMAT_OBJECT = 0,
TR_FORMAT_TABLE
};
/***
****
***/
static tr_rpc_callback_status notify(tr_session* session, tr_rpc_callback_type type, tr_torrent* tor)
{
tr_rpc_callback_status status = TR_RPC_OK;
if (session->rpc_func != nullptr)
{
status = (*session->rpc_func)(session, type, tor, session->rpc_func_user_data);
}
return status;
}
/***
****
***/
/* For functions that can't be immediately executed, like torrentAdd,
* this is the callback data used to pass a response to the caller
* when the task is complete */
struct tr_rpc_idle_data
{
tr_session* session;
tr_variant* response;
tr_variant* args_out;
tr_rpc_response_func callback;
void* callback_user_data;
};
static void tr_idle_function_done(struct tr_rpc_idle_data* data, char const* result)
{
if (result == nullptr)
{
result = "success";
}
tr_variantDictAddStr(data->response, TR_KEY_result, result);
(*data->callback)(data->session, data->response, data->callback_user_data);
tr_variantFree(data->response);
tr_free(data->response);
tr_free(data);
}
/***
****
***/
static auto getTorrents(tr_session* session, tr_variant* args)
{
auto torrents = std::vector<tr_torrent*>{};
auto id = int64_t{};
auto sv = std::string_view{};
tr_variant* ids = nullptr;
if (tr_variantDictFindList(args, TR_KEY_ids, &ids))
{
size_t const n = tr_variantListSize(ids);
torrents.reserve(n);
for (size_t i = 0; i < n; ++i)
{
tr_variant const* const node = tr_variantListChild(ids, i);
tr_torrent* tor = nullptr;
if (tr_variantGetInt(node, &id))
{
tor = tr_torrentFindFromId(session, id);
}
else if (tr_variantGetStrView(node, &sv))
{
tor = tr_torrentFindFromHashString(session, sv);
}
if (tor != nullptr)
{
torrents.push_back(tor);
}
}
}
else if (tr_variantDictFindInt(args, TR_KEY_ids, &id) || tr_variantDictFindInt(args, TR_KEY_id, &id))
{
tr_torrent* const tor = tr_torrentFindFromId(session, id);
if (tor != nullptr)
{
torrents.push_back(tor);
}
}
else if (tr_variantDictFindStrView(args, TR_KEY_ids, &sv))
{
if (sv == "recently-active"sv)
{
time_t const cutoff = tr_time() - RECENTLY_ACTIVE_SECONDS;
torrents.reserve(std::size(session->torrents));
std::copy_if(
std::begin(session->torrents),
std::end(session->torrents),
std::back_inserter(torrents),
[&cutoff](tr_torrent* tor) { return tor->anyDate >= cutoff; });
}
else
{
tr_torrent* const tor = tr_torrentFindFromHashString(session, sv);
if (tor != nullptr)
{
torrents.push_back(tor);
}
}
}
else // all of them
{
torrents.reserve(std::size(session->torrents));
std::copy(std::begin(session->torrents), std::end(session->torrents), std::back_inserter(torrents));
}
return torrents;
}
static void notifyBatchQueueChange(tr_session* session, std::vector<tr_torrent*> const& torrents)
{
for (auto* tor : torrents)
{
notify(session, TR_RPC_TORRENT_CHANGED, tor);
}
notify(session, TR_RPC_SESSION_QUEUE_POSITIONS_CHANGED, nullptr);
}
static char const* queueMoveTop(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto const torrents = getTorrents(session, args_in);
tr_torrentsQueueMoveTop(std::data(torrents), std::size(torrents));
notifyBatchQueueChange(session, torrents);
return nullptr;
}
static char const* queueMoveUp(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto const torrents = getTorrents(session, args_in);
tr_torrentsQueueMoveUp(std::data(torrents), std::size(torrents));
notifyBatchQueueChange(session, torrents);
return nullptr;
}
static char const* queueMoveDown(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto const torrents = getTorrents(session, args_in);
tr_torrentsQueueMoveDown(std::data(torrents), std::size(torrents));
notifyBatchQueueChange(session, torrents);
return nullptr;
}
static char const* queueMoveBottom(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto const torrents = getTorrents(session, args_in);
tr_torrentsQueueMoveBottom(std::data(torrents), std::size(torrents));
notifyBatchQueueChange(session, torrents);
return nullptr;
}
struct CompareTorrentByQueuePosition
{
bool operator()(tr_torrent const* a, tr_torrent const* b) const
{
return a->queuePosition < b->queuePosition;
}
};
static char const* torrentStart(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto torrents = getTorrents(session, args_in);
std::sort(std::begin(torrents), std::end(torrents), CompareTorrentByQueuePosition{});
for (auto* tor : torrents)
{
if (!tor->isRunning)
{
tr_torrentStart(tor);
notify(session, TR_RPC_TORRENT_STARTED, tor);
}
}
return nullptr;
}
static char const* torrentStartNow(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto torrents = getTorrents(session, args_in);
std::sort(std::begin(torrents), std::end(torrents), CompareTorrentByQueuePosition{});
for (auto* tor : torrents)
{
if (!tor->isRunning)
{
tr_torrentStartNow(tor);
notify(session, TR_RPC_TORRENT_STARTED, tor);
}
}
return nullptr;
}
static char const* torrentStop(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
for (auto* tor : getTorrents(session, args_in))
{
if (tor->isRunning || tr_torrentIsQueued(tor))
{
tor->isStopping = true;
notify(session, TR_RPC_TORRENT_STOPPED, tor);
}
}
return nullptr;
}
static char const* torrentRemove(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto delete_flag = bool{ false };
(void)tr_variantDictFindBool(args_in, TR_KEY_delete_local_data, &delete_flag);
tr_rpc_callback_type type = delete_flag ? TR_RPC_TORRENT_TRASHING : TR_RPC_TORRENT_REMOVING;
for (auto* tor : getTorrents(session, args_in))
{
tr_rpc_callback_status const status = notify(session, type, tor);
if ((status & TR_RPC_NOREMOVE) == 0)
{
tr_torrentRemove(tor, delete_flag, nullptr);
}
}
return nullptr;
}
static char const* torrentReannounce(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
for (auto* tor : getTorrents(session, args_in))
{
if (tr_torrentCanManualUpdate(tor))
{
tr_torrentManualUpdate(tor);
notify(session, TR_RPC_TORRENT_CHANGED, tor);
}
}
return nullptr;
}
static char const* torrentVerify(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
for (auto* tor : getTorrents(session, args_in))
{
tr_torrentVerify(tor, nullptr, nullptr);
notify(session, TR_RPC_TORRENT_CHANGED, tor);
}
return nullptr;
}
/***
****
***/
static void addLabels(tr_torrent const* tor, tr_variant* list)
{
tr_variantInitList(list, std::size(tor->labels));
for (auto const& label : tor->labels)
{
tr_variantListAddStr(list, label);
}
}
static void addFileStats(tr_torrent const* tor, tr_variant* list)
{
auto const* const info = tr_torrentInfo(tor);
for (tr_file_index_t i = 0; i < info->fileCount; ++i)
{
auto const* const file = &info->files[i];
tr_variant* const d = tr_variantListAddDict(list, 3);
tr_variantDictAddInt(d, TR_KEY_bytesCompleted, tr_torrentFileProgress(tor, i).bytes_completed);
tr_variantDictAddInt(d, TR_KEY_priority, file->priority);
tr_variantDictAddBool(d, TR_KEY_wanted, !file->dnd);
}
}
static void addFiles(tr_torrent const* tor, tr_variant* list)
{
auto const* const info = tr_torrentInfo(tor);
for (tr_file_index_t i = 0; i < info->fileCount; ++i)
{
tr_file const* file = &info->files[i];
tr_variant* d = tr_variantListAddDict(list, 3);
tr_variantDictAddInt(d, TR_KEY_bytesCompleted, tr_torrentFileProgress(tor, i).bytes_completed);
tr_variantDictAddInt(d, TR_KEY_length, file->length);
tr_variantDictAddStr(d, TR_KEY_name, file->name);
}
}
static void addWebseeds(tr_info const* info, tr_variant* webseeds)
{
for (unsigned int i = 0; i < info->webseedCount; ++i)
{
tr_variantListAddStr(webseeds, info->webseeds[i]);
}
}
static void addTrackers(tr_info const* info, tr_variant* trackers)
{
for (unsigned int i = 0; i < info->trackerCount; ++i)
{
tr_tracker_info const* t = &info->trackers[i];
tr_variant* d = tr_variantListAddDict(trackers, 4);
tr_variantDictAddStrView(d, TR_KEY_announce, t->announce);
tr_variantDictAddInt(d, TR_KEY_id, t->id);
tr_variantDictAddStrView(d, TR_KEY_scrape, t->scrape);
tr_variantDictAddInt(d, TR_KEY_tier, t->tier);
}
}
static void addTrackerStats(tr_tracker_stat const* st, int n, tr_variant* list)
{
for (int i = 0; i < n; ++i)
{
tr_tracker_stat const* s = &st[i];
tr_variant* d = tr_variantListAddDict(list, 26);
tr_variantDictAddStr(d, TR_KEY_announce, s->announce);
tr_variantDictAddInt(d, TR_KEY_announceState, s->announceState);
tr_variantDictAddInt(d, TR_KEY_downloadCount, s->downloadCount);
tr_variantDictAddBool(d, TR_KEY_hasAnnounced, s->hasAnnounced);
tr_variantDictAddBool(d, TR_KEY_hasScraped, s->hasScraped);
tr_variantDictAddStr(d, TR_KEY_host, s->host);
tr_variantDictAddInt(d, TR_KEY_id, s->id);
tr_variantDictAddBool(d, TR_KEY_isBackup, s->isBackup);
tr_variantDictAddInt(d, TR_KEY_lastAnnouncePeerCount, s->lastAnnouncePeerCount);
tr_variantDictAddStr(d, TR_KEY_lastAnnounceResult, s->lastAnnounceResult);
tr_variantDictAddInt(d, TR_KEY_lastAnnounceStartTime, s->lastAnnounceStartTime);
tr_variantDictAddBool(d, TR_KEY_lastAnnounceSucceeded, s->lastAnnounceSucceeded);
tr_variantDictAddInt(d, TR_KEY_lastAnnounceTime, s->lastAnnounceTime);
tr_variantDictAddBool(d, TR_KEY_lastAnnounceTimedOut, s->lastAnnounceTimedOut);
tr_variantDictAddStr(d, TR_KEY_lastScrapeResult, s->lastScrapeResult);
tr_variantDictAddInt(d, TR_KEY_lastScrapeStartTime, s->lastScrapeStartTime);
tr_variantDictAddBool(d, TR_KEY_lastScrapeSucceeded, s->lastScrapeSucceeded);
tr_variantDictAddInt(d, TR_KEY_lastScrapeTime, s->lastScrapeTime);
tr_variantDictAddBool(d, TR_KEY_lastScrapeTimedOut, s->lastScrapeTimedOut);
tr_variantDictAddInt(d, TR_KEY_leecherCount, s->leecherCount);
tr_variantDictAddInt(d, TR_KEY_nextAnnounceTime, s->nextAnnounceTime);
tr_variantDictAddInt(d, TR_KEY_nextScrapeTime, s->nextScrapeTime);
tr_variantDictAddStr(d, TR_KEY_scrape, s->scrape);
tr_variantDictAddInt(d, TR_KEY_scrapeState, s->scrapeState);
tr_variantDictAddInt(d, TR_KEY_seederCount, s->seederCount);
tr_variantDictAddInt(d, TR_KEY_tier, s->tier);
}
}
static void addPeers(tr_torrent* tor, tr_variant* list)
{
auto peerCount = int{};
tr_peer_stat* peers = tr_torrentPeers(tor, &peerCount);
tr_variantInitList(list, peerCount);
for (int i = 0; i < peerCount; ++i)
{
tr_variant* d = tr_variantListAddDict(list, 16);
tr_peer_stat const* peer = peers + i;
tr_variantDictAddStr(d, TR_KEY_address, peer->addr);
tr_variantDictAddStr(d, TR_KEY_clientName, peer->client);
tr_variantDictAddBool(d, TR_KEY_clientIsChoked, peer->clientIsChoked);
tr_variantDictAddBool(d, TR_KEY_clientIsInterested, peer->clientIsInterested);
tr_variantDictAddStr(d, TR_KEY_flagStr, peer->flagStr);
tr_variantDictAddBool(d, TR_KEY_isDownloadingFrom, peer->isDownloadingFrom);
tr_variantDictAddBool(d, TR_KEY_isEncrypted, peer->isEncrypted);
tr_variantDictAddBool(d, TR_KEY_isIncoming, peer->isIncoming);
tr_variantDictAddBool(d, TR_KEY_isUploadingTo, peer->isUploadingTo);
tr_variantDictAddBool(d, TR_KEY_isUTP, peer->isUTP);
tr_variantDictAddBool(d, TR_KEY_peerIsChoked, peer->peerIsChoked);
tr_variantDictAddBool(d, TR_KEY_peerIsInterested, peer->peerIsInterested);
tr_variantDictAddInt(d, TR_KEY_port, peer->port);
tr_variantDictAddReal(d, TR_KEY_progress, peer->progress);
tr_variantDictAddInt(d, TR_KEY_rateToClient, toSpeedBytes(peer->rateToClient_KBps));
tr_variantDictAddInt(d, TR_KEY_rateToPeer, toSpeedBytes(peer->rateToPeer_KBps));
}
tr_torrentPeersFree(peers, peerCount);
}
static void initField(
tr_torrent* const tor,
tr_info const* const inf,
tr_stat const* const st,
tr_variant* const initme,
tr_quark key)
{
char* str = nullptr;
switch (key)
{
case TR_KEY_activityDate:
tr_variantInitInt(initme, st->activityDate);
break;
case TR_KEY_addedDate:
tr_variantInitInt(initme, st->addedDate);
break;
case TR_KEY_bandwidthPriority:
tr_variantInitInt(initme, tr_torrentGetPriority(tor));
break;
case TR_KEY_comment:
tr_variantInitStr(initme, std::string_view{ inf->comment != nullptr ? inf->comment : "" });
break;
case TR_KEY_corruptEver:
tr_variantInitInt(initme, st->corruptEver);
break;
case TR_KEY_creator:
tr_variantInitStr(initme, std::string_view{ inf->creator != nullptr ? inf->creator : "" });
break;
case TR_KEY_dateCreated:
tr_variantInitInt(initme, inf->dateCreated);
break;
case TR_KEY_desiredAvailable:
tr_variantInitInt(initme, st->desiredAvailable);
break;
case TR_KEY_doneDate:
tr_variantInitInt(initme, st->doneDate);
break;
case TR_KEY_downloadDir:
tr_variantInitStrView(initme, tr_torrentGetDownloadDir(tor));
break;
case TR_KEY_downloadedEver:
tr_variantInitInt(initme, st->downloadedEver);
break;
case TR_KEY_downloadLimit:
tr_variantInitInt(initme, tr_torrentGetSpeedLimit_KBps(tor, TR_DOWN));
break;
case TR_KEY_downloadLimited:
tr_variantInitBool(initme, tr_torrentUsesSpeedLimit(tor, TR_DOWN));
break;
case TR_KEY_error:
tr_variantInitInt(initme, st->error);
break;
case TR_KEY_errorString:
tr_variantInitStrView(initme, st->errorString);
break;
case TR_KEY_eta:
tr_variantInitInt(initme, st->eta);
break;
case TR_KEY_file_count:
tr_variantInitInt(initme, inf->fileCount);
break;
case TR_KEY_files:
tr_variantInitList(initme, inf->fileCount);
addFiles(tor, initme);
break;
case TR_KEY_fileStats:
tr_variantInitList(initme, inf->fileCount);
addFileStats(tor, initme);
break;
case TR_KEY_hashString:
tr_variantInitStrView(initme, tor->info.hashString);
break;
case TR_KEY_haveUnchecked:
tr_variantInitInt(initme, st->haveUnchecked);
break;
case TR_KEY_haveValid:
tr_variantInitInt(initme, st->haveValid);
break;
case TR_KEY_honorsSessionLimits:
tr_variantInitBool(initme, tr_torrentUsesSessionLimits(tor));
break;
case TR_KEY_id:
tr_variantInitInt(initme, st->id);
break;
case TR_KEY_editDate:
tr_variantInitInt(initme, st->editDate);
break;
case TR_KEY_isFinished:
tr_variantInitBool(initme, st->finished);
break;
case TR_KEY_isPrivate:
tr_variantInitBool(initme, tr_torrentIsPrivate(tor));
break;
case TR_KEY_isStalled:
tr_variantInitBool(initme, st->isStalled);
break;
case TR_KEY_labels:
addLabels(tor, initme);
break;
case TR_KEY_leftUntilDone:
tr_variantInitInt(initme, st->leftUntilDone);
break;
case TR_KEY_manualAnnounceTime:
tr_variantInitInt(initme, st->manualAnnounceTime);
break;
case TR_KEY_maxConnectedPeers:
tr_variantInitInt(initme, tr_torrentGetPeerLimit(tor));
break;
case TR_KEY_magnetLink:
str = tr_torrentGetMagnetLink(tor);
tr_variantInitStr(initme, str);
tr_free(str);
break;
case TR_KEY_metadataPercentComplete:
tr_variantInitReal(initme, st->metadataPercentComplete);
break;
case TR_KEY_name:
tr_variantInitStrView(initme, tr_torrentName(tor));
break;
case TR_KEY_percentDone:
tr_variantInitReal(initme, st->percentDone);
break;
case TR_KEY_peer_limit:
tr_variantInitInt(initme, tr_torrentGetPeerLimit(tor));
break;
case TR_KEY_peers:
addPeers(tor, initme);
break;
case TR_KEY_peersConnected:
tr_variantInitInt(initme, st->peersConnected);
break;
case TR_KEY_peersFrom:
{
tr_variantInitDict(initme, 7);
int const* f = st->peersFrom;
tr_variantDictAddInt(initme, TR_KEY_fromCache, f[TR_PEER_FROM_RESUME]);
tr_variantDictAddInt(initme, TR_KEY_fromDht, f[TR_PEER_FROM_DHT]);
tr_variantDictAddInt(initme, TR_KEY_fromIncoming, f[TR_PEER_FROM_INCOMING]);
tr_variantDictAddInt(initme, TR_KEY_fromLpd, f[TR_PEER_FROM_LPD]);
tr_variantDictAddInt(initme, TR_KEY_fromLtep, f[TR_PEER_FROM_LTEP]);
tr_variantDictAddInt(initme, TR_KEY_fromPex, f[TR_PEER_FROM_PEX]);
tr_variantDictAddInt(initme, TR_KEY_fromTracker, f[TR_PEER_FROM_TRACKER]);
break;
}
case TR_KEY_peersGettingFromUs:
tr_variantInitInt(initme, st->peersGettingFromUs);
break;
case TR_KEY_peersSendingToUs:
tr_variantInitInt(initme, st->peersSendingToUs);
break;
case TR_KEY_pieces:
if (tr_torrentHasMetadata(tor))
{
auto const bytes = tr_torrentCreatePieceBitfield(tor);
auto* enc = static_cast<char*>(tr_base64_encode(bytes.data(), std::size(bytes), nullptr));
tr_variantInitStr(initme, enc != nullptr ? std::string_view{ enc } : ""sv);
tr_free(enc);
}
else
{
tr_variantInitStrView(initme, ""sv);
}
break;
case TR_KEY_pieceCount:
tr_variantInitInt(initme, inf->pieceCount);
break;
case TR_KEY_pieceSize:
tr_variantInitInt(initme, inf->pieceSize);
break;
case TR_KEY_primary_mime_type:
tr_variantInitStrView(initme, tr_torrentPrimaryMimeType(tor));
break;
case TR_KEY_priorities:
tr_variantInitList(initme, inf->fileCount);
for (tr_file_index_t i = 0; i < inf->fileCount; ++i)
{
tr_variantListAddInt(initme, inf->files[i].priority);
}
break;
case TR_KEY_queuePosition:
tr_variantInitInt(initme, st->queuePosition);
break;
case TR_KEY_etaIdle:
tr_variantInitInt(initme, st->etaIdle);
break;
case TR_KEY_rateDownload:
tr_variantInitInt(initme, toSpeedBytes(st->pieceDownloadSpeed_KBps));
break;
case TR_KEY_rateUpload:
tr_variantInitInt(initme, toSpeedBytes(st->pieceUploadSpeed_KBps));
break;
case TR_KEY_recheckProgress:
tr_variantInitReal(initme, st->recheckProgress);
break;
case TR_KEY_seedIdleLimit:
tr_variantInitInt(initme, tr_torrentGetIdleLimit(tor));
break;
case TR_KEY_seedIdleMode:
tr_variantInitInt(initme, tr_torrentGetIdleMode(tor));
break;
case TR_KEY_seedRatioLimit:
tr_variantInitReal(initme, tr_torrentGetRatioLimit(tor));
break;
case TR_KEY_seedRatioMode:
tr_variantInitInt(initme, tr_torrentGetRatioMode(tor));
break;
case TR_KEY_sizeWhenDone:
tr_variantInitInt(initme, st->sizeWhenDone);
break;
case TR_KEY_source:
tr_variantDictAddStr(initme, key, inf->source);
break;
case TR_KEY_startDate:
tr_variantInitInt(initme, st->startDate);
break;
case TR_KEY_status:
tr_variantInitInt(initme, st->activity);
break;
case TR_KEY_secondsDownloading:
tr_variantInitInt(initme, st->secondsDownloading);
break;
case TR_KEY_secondsSeeding:
tr_variantInitInt(initme, st->secondsSeeding);
break;
case TR_KEY_trackers:
tr_variantInitList(initme, inf->trackerCount);
addTrackers(inf, initme);
break;
case TR_KEY_trackerStats:
{
auto n = int{};
tr_tracker_stat* s = tr_torrentTrackers(tor, &n);
tr_variantInitList(initme, n);
addTrackerStats(s, n, initme);
tr_torrentTrackersFree(s, n);
break;
}
case TR_KEY_torrentFile:
tr_variantInitStr(initme, inf->torrent);
break;
case TR_KEY_totalSize:
tr_variantInitInt(initme, inf->totalSize);
break;
case TR_KEY_uploadedEver:
tr_variantInitInt(initme, st->uploadedEver);
break;
case TR_KEY_uploadLimit:
tr_variantInitInt(initme, tr_torrentGetSpeedLimit_KBps(tor, TR_UP));
break;
case TR_KEY_uploadLimited:
tr_variantInitBool(initme, tr_torrentUsesSpeedLimit(tor, TR_UP));
break;
case TR_KEY_uploadRatio:
tr_variantInitReal(initme, st->ratio);
break;
case TR_KEY_wanted:
tr_variantInitList(initme, inf->fileCount);
for (tr_file_index_t i = 0; i < inf->fileCount; ++i)
{
tr_variantListAddInt(initme, inf->files[i].dnd ? 0 : 1);
}
break;
case TR_KEY_webseeds:
tr_variantInitList(initme, inf->webseedCount);
addWebseeds(inf, initme);
break;
case TR_KEY_webseedsSendingToUs:
tr_variantInitInt(initme, st->webseedsSendingToUs);
break;
default:
break;
}
}
static void addTorrentInfo(tr_torrent* tor, tr_format format, tr_variant* entry, tr_quark const* fields, size_t fieldCount)
{
if (format == TR_FORMAT_TABLE)
{
tr_variantInitList(entry, fieldCount);
}
else
{
tr_variantInitDict(entry, fieldCount);
}
if (fieldCount > 0)
{
tr_info const* const inf = tr_torrentInfo(tor);
tr_stat const* const st = tr_torrentStat(tor);
for (size_t i = 0; i < fieldCount; ++i)
{
tr_variant* child = format == TR_FORMAT_TABLE ? tr_variantListAdd(entry) : tr_variantDictAdd(entry, fields[i]);
initField(tor, inf, st, child, fields[i]);
}
}
}
static char const* torrentGet(tr_session* session, tr_variant* args_in, tr_variant* args_out, tr_rpc_idle_data* /*idle_data*/)
{
auto const torrents = getTorrents(session, args_in);
tr_variant* const list = tr_variantDictAddList(args_out, TR_KEY_torrents, std::size(torrents) + 1);
auto sv = std::string_view{};
tr_format const format = tr_variantDictFindStrView(args_in, TR_KEY_format, &sv) && sv == "table"sv ? TR_FORMAT_TABLE :
TR_FORMAT_OBJECT;
if (tr_variantDictFindStrView(args_in, TR_KEY_ids, &sv) && sv == "recently-active"sv)
{
time_t const now = tr_time();
int const interval = RECENTLY_ACTIVE_SECONDS;
auto const& removed = session->removed_torrents;
tr_variant* removed_out = tr_variantDictAddList(args_out, TR_KEY_removed, std::size(removed));
for (auto const& [id, time_removed] : removed)
{
if (time_removed >= now - interval)
{
tr_variantListAddInt(removed_out, id);
}
}
}
tr_variant* fields = nullptr;
char const* errmsg = nullptr;
if (!tr_variantDictFindList(args_in, TR_KEY_fields, &fields))
{
errmsg = "no fields specified";
}
else
{
/* make an array of property name quarks */
size_t keyCount = 0;
size_t const n = tr_variantListSize(fields);
tr_quark* keys = tr_new(tr_quark, n);
for (size_t i = 0; i < n; ++i)
{
if (!tr_variantGetStrView(tr_variantListChild(fields, i), &sv))
{
continue;
}
auto const key = tr_quark_lookup(sv);
if (!key)
{
continue;
}
keys[keyCount++] = *key;
}
if (format == TR_FORMAT_TABLE)
{
/* first entry is an array of property names */
tr_variant* names = tr_variantListAddList(list, keyCount);
for (size_t i = 0; i < keyCount; ++i)
{
tr_variantListAddQuark(names, keys[i]);
}
}
for (auto* tor : torrents)
{
addTorrentInfo(tor, format, tr_variantListAdd(list), keys, keyCount);
}
tr_free(keys);
}
return errmsg;
}
/***
****
***/
static char const* setLabels(tr_torrent* tor, tr_variant* list)
{
auto labels = tr_labels_t{};
size_t const n = tr_variantListSize(list);
for (size_t i = 0; i < n; ++i)
{
auto label = std::string_view{};
if (!tr_variantGetStrView(tr_variantListChild(list, i), &label))
{
continue;
}
label = tr_strvStrip(label);
if (std::empty(label))
{
return "labels cannot be empty";
}
if (tr_strvContains(label, ','))
{
return "labels cannot contain comma (,) character";
}
labels.emplace(label);
}
tr_torrentSetLabels(tor, std::move(labels));
return nullptr;
}
static char const* setFilePriorities(tr_torrent* tor, int priority, tr_variant* list)
{
int fileCount = 0;
size_t const n = tr_variantListSize(list);
char const* errmsg = nullptr;
tr_file_index_t* files = tr_new0(tr_file_index_t, tor->info.fileCount);
if (n != 0)
{
for (size_t i = 0; i < n; ++i)
{
auto tmp = int64_t{};
if (tr_variantGetInt(tr_variantListChild(list, i), &tmp))
{
if (0 <= tmp && tmp < tor->info.fileCount)
{
files[fileCount++] = tmp;
}
else
{
errmsg = "file index out of range";
}
}
}
}
else /* if empty set, apply to all */
{
for (tr_file_index_t t = 0; t < tor->info.fileCount; ++t)
{
files[fileCount++] = t;
}
}
if (fileCount != 0)
{
tr_torrentSetFilePriorities(tor, files, fileCount, priority);
}
tr_free(files);
return errmsg;
}
static char const* setFileDLs(tr_torrent* tor, bool do_download, tr_variant* list)
{
char const* errmsg = nullptr;
int fileCount = 0;
size_t const n = tr_variantListSize(list);
tr_file_index_t* files = tr_new0(tr_file_index_t, tor->info.fileCount);
if (n != 0) /* if argument list, process them */
{
for (size_t i = 0; i < n; ++i)
{
auto tmp = int64_t{};
if (tr_variantGetInt(tr_variantListChild(list, i), &tmp))
{
if (0 <= tmp && tmp < tor->info.fileCount)
{
files[fileCount++] = tmp;
}
else
{
errmsg = "file index out of range";
}
}
}
}
else /* if empty set, apply to all */
{
for (tr_file_index_t t = 0; t < tor->info.fileCount; ++t)
{
files[fileCount++] = t;
}
}
if (fileCount != 0)
{
tr_torrentSetFileDLs(tor, files, fileCount, do_download);
}
tr_free(files);
return errmsg;
}
static bool hasAnnounceUrl(tr_tracker_info const* t, int n, std::string_view url)
{
return std::any_of(t, t + n, [&url](auto const& row) { return row.announce == url; });
}
static int copyTrackers(tr_tracker_info* tgt, tr_tracker_info const* src, int n)
{
int maxTier = -1;
for (int i = 0; i < n; ++i)
{
tgt[i].tier = src[i].tier;
tgt[i].announce = tr_strdup(src[i].announce);
maxTier = std::max(maxTier, src[i].tier);
}
return maxTier;
}
static void freeTrackers(tr_tracker_info* trackers, int n)
{
for (int i = 0; i < n; ++i)
{
tr_free(trackers[i].announce);
}
tr_free(trackers);
}
static char const* addTrackerUrls(tr_torrent* tor, tr_variant* urls)
{
char const* errmsg = nullptr;
/* make a working copy of the existing announce list */
auto const* const inf = tr_torrentInfo(tor);
int n = inf->trackerCount;
auto* const trackers = tr_new0(tr_tracker_info, n + tr_variantListSize(urls));
int tier = copyTrackers(trackers, inf->trackers, n);
/* and add the new ones */
auto i = int{ 0 };
auto changed = bool{ false };
tr_variant const* val = nullptr;
while ((val = tr_variantListChild(urls, i)) != nullptr)
{
auto announce = std::string_view{};
if (tr_variantGetStrView(val, &announce) && tr_urlIsValidTracker(announce) && !hasAnnounceUrl(trackers, n, announce))
{
trackers[n].tier = ++tier; /* add a new tier */
trackers[n].announce = tr_strvDup(announce);
++n;
changed = true;
}
++i;
}
if (!changed)
{
errmsg = "invalid argument";
}
else if (!tr_torrentSetAnnounceList(tor, trackers, n))
{
errmsg = "error setting announce list";
}
freeTrackers(trackers, n);
return errmsg;
}
static char const* replaceTrackers(tr_torrent* tor, tr_variant* urls)
{
char const* errmsg = nullptr;
/* make a working copy of the existing announce list */
auto const* const inf = tr_torrentInfo(tor);
int const n = inf->trackerCount;
auto* const trackers = tr_new0(tr_tracker_info, n);
copyTrackers(trackers, inf->trackers, n);
/* make the substitutions... */
bool changed = false;
for (size_t i = 0, url_count = tr_variantListSize(urls); i + 1 < url_count; i += 2)
{
auto pos = int64_t{};
auto newval = std::string_view{};
if (tr_variantGetInt(tr_variantListChild(urls, i), &pos) &&
tr_variantGetStrView(tr_variantListChild(urls, i + 1), &newval) && tr_urlIsValidTracker(newval) && pos < n &&
pos >= 0)
{
tr_free(trackers[pos].announce);
trackers[pos].announce = tr_strvDup(newval);
changed = true;
}
}
if (!changed)
{
errmsg = "invalid argument";
}
else if (!tr_torrentSetAnnounceList(tor, trackers, n))
{
errmsg = "error setting announce list";
}
freeTrackers(trackers, n);
return errmsg;
}
static char const* removeTrackers(tr_torrent* tor, tr_variant* ids)
{
/* make a working copy of the existing announce list */
tr_info const* inf = tr_torrentInfo(tor);
int n = inf->trackerCount;
int* tids = tr_new0(int, n);
tr_tracker_info* trackers = tr_new0(tr_tracker_info, n);
copyTrackers(trackers, inf->trackers, n);
/* remove the ones specified in the urls list */
int i = 0;
int t = 0;
tr_variant const* val = nullptr;
while ((val = tr_variantListChild(ids, i)) != nullptr)
{
auto pos = int64_t{};
if (tr_variantGetInt(val, &pos) && 0 <= pos && pos < n)
{
tids[t++] = (int)pos;
}
++i;
}
/* sort trackerIds and remove from largest to smallest so there is no need to recalculate array indicies */
std::sort(tids, tids + t);
bool changed = false;
int dup = -1;
while (t-- != 0)
{
/* check for duplicates */
if (tids[t] == dup)
{
continue;
}
tr_removeElementFromArray(trackers, tids[t], sizeof(tr_tracker_info), n);
--n;
dup = tids[t];
changed = true;
}
char const* errmsg = nullptr;
if (!changed)
{
errmsg = "invalid argument";
}
else if (!tr_torrentSetAnnounceList(tor, trackers, n))
{
errmsg = "error setting announce list";
}
freeTrackers(trackers, n);
tr_free(tids);
return errmsg;
}
static char const* torrentSet(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
char const* errmsg = nullptr;
for (auto* tor : getTorrents(session, args_in))
{
auto tmp = int64_t{};
auto d = double{};
auto boolVal = bool{};
tr_variant* tmp_variant = nullptr;
if (tr_variantDictFindInt(args_in, TR_KEY_bandwidthPriority, &tmp))
{
tr_priority_t const priority = (tr_priority_t)tmp;
if (tr_isPriority(priority))
{
tr_torrentSetPriority(tor, priority);
}
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_labels, &tmp_variant))
{
errmsg = setLabels(tor, tmp_variant);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_files_unwanted, &tmp_variant))
{
errmsg = setFileDLs(tor, false, tmp_variant);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_files_wanted, &tmp_variant))
{
errmsg = setFileDLs(tor, true, tmp_variant);
}
if (tr_variantDictFindInt(args_in, TR_KEY_peer_limit, &tmp))
{
tr_torrentSetPeerLimit(tor, tmp);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_priority_high, &tmp_variant))
{
errmsg = setFilePriorities(tor, TR_PRI_HIGH, tmp_variant);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_priority_low, &tmp_variant))
{
errmsg = setFilePriorities(tor, TR_PRI_LOW, tmp_variant);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_priority_normal, &tmp_variant))
{
errmsg = setFilePriorities(tor, TR_PRI_NORMAL, tmp_variant);
}
if (tr_variantDictFindInt(args_in, TR_KEY_downloadLimit, &tmp))
{
tr_torrentSetSpeedLimit_KBps(tor, TR_DOWN, tmp);
}
if (tr_variantDictFindBool(args_in, TR_KEY_downloadLimited, &boolVal))
{
tr_torrentUseSpeedLimit(tor, TR_DOWN, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_honorsSessionLimits, &boolVal))
{
tr_torrentUseSessionLimits(tor, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_uploadLimit, &tmp))
{
tr_torrentSetSpeedLimit_KBps(tor, TR_UP, tmp);
}
if (tr_variantDictFindBool(args_in, TR_KEY_uploadLimited, &boolVal))
{
tr_torrentUseSpeedLimit(tor, TR_UP, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_seedIdleLimit, &tmp))
{
tr_torrentSetIdleLimit(tor, (uint16_t)tmp);
}
if (tr_variantDictFindInt(args_in, TR_KEY_seedIdleMode, &tmp))
{
tr_torrentSetIdleMode(tor, (tr_idlelimit)tmp);
}
if (tr_variantDictFindReal(args_in, TR_KEY_seedRatioLimit, &d))
{
tr_torrentSetRatioLimit(tor, d);
}
if (tr_variantDictFindInt(args_in, TR_KEY_seedRatioMode, &tmp))
{
tr_torrentSetRatioMode(tor, (tr_ratiolimit)tmp);
}
if (tr_variantDictFindInt(args_in, TR_KEY_queuePosition, &tmp))
{
tr_torrentSetQueuePosition(tor, (int)tmp);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_trackerAdd, &tmp_variant))
{
errmsg = addTrackerUrls(tor, tmp_variant);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_trackerRemove, &tmp_variant))
{
errmsg = removeTrackers(tor, tmp_variant);
}
if (errmsg == nullptr && tr_variantDictFindList(args_in, TR_KEY_trackerReplace, &tmp_variant))
{
errmsg = replaceTrackers(tor, tmp_variant);
}
notify(session, TR_RPC_TORRENT_CHANGED, tor);
}
return errmsg;
}
static char const* torrentSetLocation(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto location = std::string_view{};
if (!tr_variantDictFindStrView(args_in, TR_KEY_location, &location))
{
return "no location";
}
if (tr_sys_path_is_relative(location))
{
return "new location path is not absolute";
}
auto move = bool{};
(void)tr_variantDictFindBool(args_in, TR_KEY_move, &move);
for (auto* tor : getTorrents(session, args_in))
{
tor->setLocation(location, move, nullptr, nullptr);
notify(session, TR_RPC_TORRENT_MOVED, tor);
}
return nullptr;
}
/***
****
***/
static void torrentRenamePathDone(tr_torrent* tor, char const* oldpath, char const* newname, int error, void* user_data)
{
auto* data = static_cast<struct tr_rpc_idle_data*>(user_data);
tr_variantDictAddInt(data->args_out, TR_KEY_id, tr_torrentId(tor));
tr_variantDictAddStr(data->args_out, TR_KEY_path, oldpath);
tr_variantDictAddStr(data->args_out, TR_KEY_name, newname);
char const* const result = error == 0 ? nullptr : tr_strerror(error);
tr_idle_function_done(data, result);
}
static char const* torrentRenamePath(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
struct tr_rpc_idle_data* idle_data)
{
char const* errmsg = nullptr;
auto oldpath = std::string_view{};
(void)tr_variantDictFindStrView(args_in, TR_KEY_path, &oldpath);
auto newname = std::string_view{};
(void)tr_variantDictFindStrView(args_in, TR_KEY_name, &newname);
auto const torrents = getTorrents(session, args_in);
if (std::size(torrents) == 1)
{
torrents[0]->renamePath(oldpath, newname, torrentRenamePathDone, idle_data);
}
else
{
errmsg = "torrent-rename-path requires 1 torrent";
}
/* cleanup */
return errmsg;
}
/***
****
***/
static void portTested(
tr_session* /*session*/,
bool /*did_connect*/,
bool /*did_timeout*/,
long response_code,
std::string_view response,
void* user_data)
{
char result[1024];
auto* data = static_cast<struct tr_rpc_idle_data*>(user_data);
if (response_code != 200)
{
tr_snprintf(
result,
sizeof(result),
"portTested: http error %ld: %s",
response_code,
tr_webGetResponseStr(response_code));
}
else /* success */
{
bool const isOpen = tr_strvStartsWith(response, '1');
tr_variantDictAddBool(data->args_out, TR_KEY_port_is_open, isOpen);
tr_snprintf(result, sizeof(result), "success");
}
tr_idle_function_done(data, result);
}
static char const* portTest(
tr_session* session,
tr_variant* /*args_in*/,
tr_variant* /*args_out*/,
struct tr_rpc_idle_data* idle_data)
{
int const port = tr_sessionGetPeerPort(session);
char* url = tr_strdup_printf("https://portcheck.transmissionbt.com/%d", port);
tr_webRun(session, url, portTested, idle_data);
tr_free(url);
return nullptr;
}
/***
****
***/
static void gotNewBlocklist(
tr_session* session,
bool /*did_connect*/,
bool /*did_timeout*/,
long response_code,
std::string_view response,
void* user_data)
{
char result[1024];
auto* data = static_cast<struct tr_rpc_idle_data*>(user_data);
*result = '\0';
if (response_code != 200)
{
tr_snprintf(
result,
sizeof(result),
"gotNewBlocklist: http error %ld: %s",
response_code,
tr_webGetResponseStr(response_code));
}
else /* successfully fetched the blocklist... */
{
auto stream = z_stream{};
char const* configDir = tr_sessionGetConfigDir(session);
size_t const buflen = 1024 * 128; /* 128 KiB buffer */
auto* const buf = static_cast<uint8_t*>(tr_malloc(buflen));
tr_error* error = nullptr;
/* this is an odd Magic Number required by zlib to enable gz support.
See zlib's inflateInit2() documentation for a full description */
int const windowBits = 15 + 32;
stream.zalloc = (alloc_func)Z_NULL;
stream.zfree = (free_func)Z_NULL;
stream.opaque = (voidpf)Z_NULL;
stream.next_in = reinterpret_cast<Bytef const*>(std::data(response));
stream.avail_in = std::size(response);
inflateInit2(&stream, windowBits);
auto filename = tr_strvPath(configDir, "blocklist.tmp.XXXXXX");
tr_sys_file_t const fd = tr_sys_file_open_temp(std::data(filename), &error);
if (fd == TR_BAD_SYS_FILE)
{
tr_snprintf(result, sizeof(result), _("Couldn't save file \"%1$s\": %2$s"), filename.c_str(), error->message);
tr_error_clear(&error);
}
auto err = int{};
for (;;)
{
stream.next_out = static_cast<Bytef*>(buf);
stream.avail_out = buflen;
err = inflate(&stream, Z_NO_FLUSH);
if ((stream.avail_out < buflen) && (!tr_sys_file_write(fd, buf, buflen - stream.avail_out, nullptr, &error)))
{
tr_snprintf(result, sizeof(result), _("Couldn't save file \"%1$s\": %2$s"), filename.c_str(), error->message);
tr_error_clear(&error);
break;
}
if (err != Z_OK)
{
if (err != Z_STREAM_END && err != Z_DATA_ERROR)
{
tr_snprintf(result, sizeof(result), _("Error uncompressing blocklist: %s (%d)"), zError(err), err);
}
break;
}
}
inflateEnd(&stream);
if ((err == Z_DATA_ERROR) && // couldn't inflate it... it's probably already uncompressed
!tr_sys_file_write(fd, std::data(response), std::size(response), nullptr, &error))
{
tr_snprintf(result, sizeof(result), _("Couldn't save file \"%1$s\": %2$s"), filename.c_str(), error->message);
tr_error_clear(&error);
}
tr_sys_file_close(fd, nullptr);
if (!tr_str_is_empty(result))
{
tr_logAddError("%s", result);
}
else
{
/* feed it to the session and give the client a response */
int const rule_count = tr_blocklistSetContent(session, filename.c_str());
tr_variantDictAddInt(data->args_out, TR_KEY_blocklist_size, rule_count);
tr_snprintf(result, sizeof(result), "success");
}
tr_sys_path_remove(filename.c_str(), nullptr);
tr_free(buf);
}
tr_idle_function_done(data, result);
}
static char const* blocklistUpdate(
tr_session* session,
tr_variant* /*args_in*/,
tr_variant* /*args_out*/,
struct tr_rpc_idle_data* idle_data)
{
tr_webRun(session, session->blocklistUrl().c_str(), gotNewBlocklist, idle_data);
return nullptr;
}
/***
****
***/
static void addTorrentImpl(struct tr_rpc_idle_data* data, tr_ctor* ctor)
{
auto err = int{};
auto duplicate_id = int{};
tr_torrent* tor = tr_torrentNew(ctor, &err, &duplicate_id);
tr_ctorFree(ctor);
auto key = tr_quark{};
char const* result = "invalid or corrupt torrent file";
if (err == 0)
{
key = TR_KEY_torrent_added;
result = nullptr;
}
else if (err == TR_PARSE_DUPLICATE)
{
tor = tr_torrentFindFromId(data->session, duplicate_id);
key = TR_KEY_torrent_duplicate;
result = "duplicate torrent";
}
if (tor != nullptr && key != 0)
{
tr_quark const fields[] = {
TR_KEY_id,
TR_KEY_name,
TR_KEY_hashString,
};
addTorrentInfo(tor, TR_FORMAT_OBJECT, tr_variantDictAdd(data->args_out, key), fields, TR_N_ELEMENTS(fields));
if (result == nullptr)
{
notify(data->session, TR_RPC_TORRENT_ADDED, tor);
}
result = nullptr;
}
tr_idle_function_done(data, result);
}
struct add_torrent_idle_data
{
struct tr_rpc_idle_data* data;
tr_ctor* ctor;
};
static void gotMetadataFromURL(
tr_session* /*session*/,
bool /*did_connect*/,
bool /*did_timeout*/,
long response_code,
std::string_view response,
void* user_data)
{
auto* data = static_cast<struct add_torrent_idle_data*>(user_data);
dbgmsg(
"torrentAdd: HTTP response code was %ld (%s); response length was %zu bytes",
response_code,
tr_webGetResponseStr(response_code),
std::size(response));
if (response_code == 200 || response_code == 221) /* http or ftp success.. */
{
tr_ctorSetMetainfo(data->ctor, std::data(response), std::size(response));
addTorrentImpl(data->data, data->ctor);
}
else
{
char result[1024];
tr_snprintf(
result,
sizeof(result),
"gotMetadataFromURL: http error %ld: %s",
response_code,
tr_webGetResponseStr(response_code));
tr_idle_function_done(data->data, result);
}
tr_free(data);
}
static bool isCurlURL(std::string_view url)
{
auto constexpr Schemes = std::array<std::string_view, 4>{ "http"sv, "https"sv, "ftp"sv, "sftp"sv };
auto const parsed = tr_urlParse(url);
return parsed && std::find(std::begin(Schemes), std::end(Schemes), parsed->scheme) != std::end(Schemes);
}
static auto fileListFromList(tr_variant* list)
{
size_t const n = tr_variantListSize(list);
auto files = std::vector<tr_file_index_t>{};
files.reserve(n);
auto file_index = int64_t{};
for (size_t i = 0; i < n; ++i)
{
if (tr_variantGetInt(tr_variantListChild(list, i), &file_index))
{
files.push_back(file_index);
}
}
return files;
}
static char const* torrentAdd(tr_session* session, tr_variant* args_in, tr_variant* /*args_out*/, tr_rpc_idle_data* idle_data)
{
TR_ASSERT(idle_data != nullptr);
auto filename = std::string_view{};
(void)tr_variantDictFindStrView(args_in, TR_KEY_filename, &filename);
auto metainfo_base64 = std::string_view{};
(void)tr_variantDictFindStrView(args_in, TR_KEY_metainfo, &metainfo_base64);
if (std::empty(filename) && std::empty(metainfo_base64))
{
return "no filename or metainfo specified";
}
auto download_dir = std::string_view{};
if (tr_variantDictFindStrView(args_in, TR_KEY_download_dir, &download_dir) && tr_sys_path_is_relative(download_dir))
{
return "download directory path is not absolute";
}
auto i = int64_t{};
auto boolVal = bool{};
tr_variant* l = nullptr;
tr_ctor* ctor = tr_ctorNew(session);
/* set the optional arguments */
auto cookies = std::string_view{};
(void)tr_variantDictFindStrView(args_in, TR_KEY_cookies, &cookies);
if (!std::empty(download_dir))
{
auto const sz_download_dir = std::string{ download_dir };
tr_ctorSetDownloadDir(ctor, TR_FORCE, sz_download_dir.c_str());
}
if (tr_variantDictFindBool(args_in, TR_KEY_paused, &boolVal))
{
tr_ctorSetPaused(ctor, TR_FORCE, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_peer_limit, &i))
{
tr_ctorSetPeerLimit(ctor, TR_FORCE, (uint16_t)i);
}
if (tr_variantDictFindInt(args_in, TR_KEY_bandwidthPriority, &i))
{
tr_ctorSetBandwidthPriority(ctor, (tr_priority_t)i);
}
if (tr_variantDictFindList(args_in, TR_KEY_files_unwanted, &l))
{
auto const files = fileListFromList(l);
tr_ctorSetFilesWanted(ctor, std::data(files), std::size(files), false);
}
if (tr_variantDictFindList(args_in, TR_KEY_files_wanted, &l))
{
auto const files = fileListFromList(l);
tr_ctorSetFilesWanted(ctor, std::data(files), std::size(files), true);
}
if (tr_variantDictFindList(args_in, TR_KEY_priority_low, &l))
{
auto const files = fileListFromList(l);
tr_ctorSetFilePriorities(ctor, std::data(files), std::size(files), TR_PRI_LOW);
}
if (tr_variantDictFindList(args_in, TR_KEY_priority_normal, &l))
{
auto const files = fileListFromList(l);
tr_ctorSetFilePriorities(ctor, std::data(files), std::size(files), TR_PRI_NORMAL);
}
if (tr_variantDictFindList(args_in, TR_KEY_priority_high, &l))
{
auto const files = fileListFromList(l);
tr_ctorSetFilePriorities(ctor, std::data(files), std::size(files), TR_PRI_HIGH);
}
dbgmsg("torrentAdd: filename is \"%" TR_PRIsv "\"", TR_PRIsv_ARG(filename));
if (isCurlURL(filename))
{
auto* const d = tr_new0(struct add_torrent_idle_data, 1);
d->data = idle_data;
d->ctor = ctor;
tr_webRunWithCookies(session, filename, cookies, gotMetadataFromURL, d);
}
else
{
if (std::empty(filename))
{
std::string const metainfo = tr_base64_decode_str(metainfo_base64);
tr_ctorSetMetainfo(ctor, std::data(metainfo), std::size(metainfo));
}
else
{
// these two tr_ctorSet*() functions require zero-terminated strings
auto const filename_str = std::string{ filename };
if (tr_strvStartsWith(filename, "magnet:?"sv))
{
tr_ctorSetMetainfoFromMagnetLink(ctor, filename_str.c_str());
}
else
{
tr_ctorSetMetainfoFromFile(ctor, filename_str.c_str());
}
}
addTorrentImpl(idle_data, ctor);
}
return nullptr;
}
/***
****
***/
static char const* sessionSet(
tr_session* session,
tr_variant* args_in,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
auto download_dir = std::string_view{};
auto incomplete_dir = std::string_view{};
if (tr_variantDictFindStrView(args_in, TR_KEY_download_dir, &download_dir) && tr_sys_path_is_relative(download_dir))
{
return "download directory path is not absolute";
}
if (tr_variantDictFindStrView(args_in, TR_KEY_incomplete_dir, &incomplete_dir) && tr_sys_path_is_relative(incomplete_dir))
{
return "incomplete torrents directory path is not absolute";
}
auto boolVal = bool{};
auto d = double{};
auto i = int64_t{};
auto sv = std::string_view{};
if (tr_variantDictFindInt(args_in, TR_KEY_cache_size_mb, &i))
{
tr_sessionSetCacheLimit_MB(session, i);
}
if (tr_variantDictFindInt(args_in, TR_KEY_alt_speed_up, &i))
{
tr_sessionSetAltSpeed_KBps(session, TR_UP, i);
}
if (tr_variantDictFindInt(args_in, TR_KEY_alt_speed_down, &i))
{
tr_sessionSetAltSpeed_KBps(session, TR_DOWN, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_alt_speed_enabled, &boolVal))
{
tr_sessionUseAltSpeed(session, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_alt_speed_time_begin, &i))
{
tr_sessionSetAltSpeedBegin(session, i);
}
if (tr_variantDictFindInt(args_in, TR_KEY_alt_speed_time_end, &i))
{
tr_sessionSetAltSpeedEnd(session, i);
}
if (tr_variantDictFindInt(args_in, TR_KEY_alt_speed_time_day, &i))
{
tr_sessionSetAltSpeedDay(session, tr_sched_day(i));
}
if (tr_variantDictFindBool(args_in, TR_KEY_alt_speed_time_enabled, &boolVal))
{
tr_sessionUseAltSpeedTime(session, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_blocklist_enabled, &boolVal))
{
session->useBlocklist(boolVal);
}
if (tr_variantDictFindStrView(args_in, TR_KEY_blocklist_url, &sv))
{
session->setBlocklistUrl(sv);
}
if (!std::empty(download_dir))
{
session->setDownloadDir(download_dir);
}
if (tr_variantDictFindInt(args_in, TR_KEY_queue_stalled_minutes, &i))
{
tr_sessionSetQueueStalledMinutes(session, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_queue_stalled_enabled, &boolVal))
{
tr_sessionSetQueueStalledEnabled(session, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_download_queue_size, &i))
{
tr_sessionSetQueueSize(session, TR_DOWN, (int)i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_download_queue_enabled, &boolVal))
{
tr_sessionSetQueueEnabled(session, TR_DOWN, boolVal);
}
if (!std::empty(incomplete_dir))
{
session->setIncompleteDir(incomplete_dir);
}
if (tr_variantDictFindBool(args_in, TR_KEY_incomplete_dir_enabled, &boolVal))
{
session->useIncompleteDir(boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_peer_limit_global, &i))
{
tr_sessionSetPeerLimit(session, i);
}
if (tr_variantDictFindInt(args_in, TR_KEY_peer_limit_per_torrent, &i))
{
tr_sessionSetPeerLimitPerTorrent(session, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_pex_enabled, &boolVal))
{
tr_sessionSetPexEnabled(session, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_dht_enabled, &boolVal))
{
tr_sessionSetDHTEnabled(session, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_utp_enabled, &boolVal))
{
tr_sessionSetUTPEnabled(session, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_lpd_enabled, &boolVal))
{
tr_sessionSetLPDEnabled(session, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_peer_port_random_on_start, &boolVal))
{
tr_sessionSetPeerPortRandomOnStart(session, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_peer_port, &i))
{
tr_sessionSetPeerPort(session, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_port_forwarding_enabled, &boolVal))
{
tr_sessionSetPortForwardingEnabled(session, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_rename_partial_files, &boolVal))
{
tr_sessionSetIncompleteFileNamingEnabled(session, boolVal);
}
if (tr_variantDictFindReal(args_in, TR_KEY_seedRatioLimit, &d))
{
tr_sessionSetRatioLimit(session, d);
}
if (tr_variantDictFindBool(args_in, TR_KEY_seedRatioLimited, &boolVal))
{
tr_sessionSetRatioLimited(session, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_idle_seeding_limit, &i))
{
tr_sessionSetIdleLimit(session, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_idle_seeding_limit_enabled, &boolVal))
{
tr_sessionSetIdleLimited(session, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_start_added_torrents, &boolVal))
{
tr_sessionSetPaused(session, !boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_seed_queue_enabled, &boolVal))
{
tr_sessionSetQueueEnabled(session, TR_UP, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_seed_queue_size, &i))
{
tr_sessionSetQueueSize(session, TR_UP, (int)i);
}
if (tr_variantDictFindStrView(args_in, TR_KEY_script_torrent_added_filename, &sv))
{
session->setScript(TR_SCRIPT_ON_TORRENT_ADDED, sv);
}
if (tr_variantDictFindBool(args_in, TR_KEY_script_torrent_added_enabled, &boolVal))
{
session->useScript(TR_SCRIPT_ON_TORRENT_ADDED, boolVal);
}
if (tr_variantDictFindStrView(args_in, TR_KEY_script_torrent_done_filename, &sv))
{
session->setScript(TR_SCRIPT_ON_TORRENT_DONE, sv);
}
if (tr_variantDictFindBool(args_in, TR_KEY_script_torrent_done_enabled, &boolVal))
{
session->useScript(TR_SCRIPT_ON_TORRENT_DONE, boolVal);
}
if (tr_variantDictFindBool(args_in, TR_KEY_trash_original_torrent_files, &boolVal))
{
tr_sessionSetDeleteSource(session, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_speed_limit_down, &i))
{
tr_sessionSetSpeedLimit_KBps(session, TR_DOWN, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_speed_limit_down_enabled, &boolVal))
{
tr_sessionLimitSpeed(session, TR_DOWN, boolVal);
}
if (tr_variantDictFindInt(args_in, TR_KEY_speed_limit_up, &i))
{
tr_sessionSetSpeedLimit_KBps(session, TR_UP, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_speed_limit_up_enabled, &boolVal))
{
tr_sessionLimitSpeed(session, TR_UP, boolVal);
}
if (tr_variantDictFindStrView(args_in, TR_KEY_encryption, &sv))
{
if (sv == "required"sv)
{
tr_sessionSetEncryption(session, TR_ENCRYPTION_REQUIRED);
}
else if (sv == "tolerated"sv)
{
tr_sessionSetEncryption(session, TR_CLEAR_PREFERRED);
}
else
{
tr_sessionSetEncryption(session, TR_ENCRYPTION_PREFERRED);
}
}
if (tr_variantDictFindInt(args_in, TR_KEY_anti_brute_force_threshold, &i))
{
tr_sessionSetAntiBruteForceThreshold(session, i);
}
if (tr_variantDictFindBool(args_in, TR_KEY_anti_brute_force_enabled, &boolVal))
{
tr_sessionSetAntiBruteForceEnabled(session, boolVal);
}
notify(session, TR_RPC_SESSION_CHANGED, nullptr);
return nullptr;
}
static char const* sessionStats(
tr_session* session,
tr_variant* /*args_in*/,
tr_variant* args_out,
tr_rpc_idle_data* /*idle_data*/)
{
auto currentStats = tr_session_stats{};
auto cumulativeStats = tr_session_stats{};
int const total = std::size(session->torrents);
int const running = std::count_if(
std::begin(session->torrents),
std::end(session->torrents),
[](auto const* tor) { return tor->isRunning; });
tr_sessionGetStats(session, &currentStats);
tr_sessionGetCumulativeStats(session, &cumulativeStats);
tr_variantDictAddInt(args_out, TR_KEY_activeTorrentCount, running);
tr_variantDictAddReal(args_out, TR_KEY_downloadSpeed, tr_sessionGetPieceSpeed_Bps(session, TR_DOWN));
tr_variantDictAddInt(args_out, TR_KEY_pausedTorrentCount, total - running);
tr_variantDictAddInt(args_out, TR_KEY_torrentCount, total);
tr_variantDictAddReal(args_out, TR_KEY_uploadSpeed, tr_sessionGetPieceSpeed_Bps(session, TR_UP));
tr_variant* d = tr_variantDictAddDict(args_out, TR_KEY_cumulative_stats, 5);
tr_variantDictAddInt(d, TR_KEY_downloadedBytes, cumulativeStats.downloadedBytes);
tr_variantDictAddInt(d, TR_KEY_filesAdded, cumulativeStats.filesAdded);
tr_variantDictAddInt(d, TR_KEY_secondsActive, cumulativeStats.secondsActive);
tr_variantDictAddInt(d, TR_KEY_sessionCount, cumulativeStats.sessionCount);
tr_variantDictAddInt(d, TR_KEY_uploadedBytes, cumulativeStats.uploadedBytes);
d = tr_variantDictAddDict(args_out, TR_KEY_current_stats, 5);
tr_variantDictAddInt(d, TR_KEY_downloadedBytes, currentStats.downloadedBytes);
tr_variantDictAddInt(d, TR_KEY_filesAdded, currentStats.filesAdded);
tr_variantDictAddInt(d, TR_KEY_secondsActive, currentStats.secondsActive);
tr_variantDictAddInt(d, TR_KEY_sessionCount, currentStats.sessionCount);
tr_variantDictAddInt(d, TR_KEY_uploadedBytes, currentStats.uploadedBytes);
return nullptr;
}
static constexpr std::string_view getEncryptionModeString(tr_encryption_mode mode)
{
switch (mode)
{
case TR_CLEAR_PREFERRED:
return "tolerated"sv;
case TR_ENCRYPTION_REQUIRED:
return "required"sv;
default:
return "preferred"sv;
}
}
static void addSessionField(tr_session* s, tr_variant* d, tr_quark key)
{
switch (key)
{
case TR_KEY_alt_speed_up:
tr_variantDictAddInt(d, key, tr_sessionGetAltSpeed_KBps(s, TR_UP));
break;
case TR_KEY_alt_speed_down:
tr_variantDictAddInt(d, key, tr_sessionGetAltSpeed_KBps(s, TR_DOWN));
break;
case TR_KEY_alt_speed_enabled:
tr_variantDictAddBool(d, key, tr_sessionUsesAltSpeed(s));
break;
case TR_KEY_alt_speed_time_begin:
tr_variantDictAddInt(d, key, tr_sessionGetAltSpeedBegin(s));
break;
case TR_KEY_alt_speed_time_end:
tr_variantDictAddInt(d, key, tr_sessionGetAltSpeedEnd(s));
break;
case TR_KEY_alt_speed_time_day:
tr_variantDictAddInt(d, key, tr_sessionGetAltSpeedDay(s));
break;
case TR_KEY_alt_speed_time_enabled:
tr_variantDictAddBool(d, key, tr_sessionUsesAltSpeedTime(s));
break;
case TR_KEY_blocklist_enabled:
tr_variantDictAddBool(d, key, s->useBlocklist());
break;
case TR_KEY_blocklist_url:
tr_variantDictAddStr(d, key, s->blocklistUrl());
break;
case TR_KEY_cache_size_mb:
tr_variantDictAddInt(d, key, tr_sessionGetCacheLimit_MB(s));
break;
case TR_KEY_blocklist_size:
tr_variantDictAddInt(d, key, tr_blocklistGetRuleCount(s));
break;
case TR_KEY_config_dir:
tr_variantDictAddStr(d, key, tr_sessionGetConfigDir(s));
break;
case TR_KEY_download_dir:
tr_variantDictAddStr(d, key, s->downloadDir());
break;
case TR_KEY_download_dir_free_space:
tr_variantDictAddInt(d, key, tr_dirSpace(s->downloadDir()).free);
break;
case TR_KEY_download_queue_enabled:
tr_variantDictAddBool(d, key, tr_sessionGetQueueEnabled(s, TR_DOWN));
break;
case TR_KEY_download_queue_size:
tr_variantDictAddInt(d, key, tr_sessionGetQueueSize(s, TR_DOWN));
break;
case TR_KEY_peer_limit_global:
tr_variantDictAddInt(d, key, tr_sessionGetPeerLimit(s));
break;
case TR_KEY_peer_limit_per_torrent:
tr_variantDictAddInt(d, key, tr_sessionGetPeerLimitPerTorrent(s));
break;
case TR_KEY_incomplete_dir:
tr_variantDictAddStr(d, key, s->incompleteDir());
break;
case TR_KEY_incomplete_dir_enabled:
tr_variantDictAddBool(d, key, s->useIncompleteDir());
break;
case TR_KEY_pex_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsPexEnabled(s));
break;
case TR_KEY_utp_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsUTPEnabled(s));
break;
case TR_KEY_dht_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsDHTEnabled(s));
break;
case TR_KEY_lpd_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsLPDEnabled(s));
break;
case TR_KEY_peer_port:
tr_variantDictAddInt(d, key, tr_sessionGetPeerPort(s));
break;
case TR_KEY_peer_port_random_on_start:
tr_variantDictAddBool(d, key, tr_sessionGetPeerPortRandomOnStart(s));
break;
case TR_KEY_port_forwarding_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsPortForwardingEnabled(s));
break;
case TR_KEY_rename_partial_files:
tr_variantDictAddBool(d, key, tr_sessionIsIncompleteFileNamingEnabled(s));
break;
case TR_KEY_rpc_version:
tr_variantDictAddInt(d, key, RPC_VERSION);
break;
case TR_KEY_rpc_version_semver:
tr_variantDictAddStrView(d, key, RPC_VERSION_SEMVER);
break;
case TR_KEY_rpc_version_minimum:
tr_variantDictAddInt(d, key, RPC_VERSION_MIN);
break;
case TR_KEY_seedRatioLimit:
tr_variantDictAddReal(d, key, tr_sessionGetRatioLimit(s));
break;
case TR_KEY_seedRatioLimited:
tr_variantDictAddBool(d, key, tr_sessionIsRatioLimited(s));
break;
case TR_KEY_idle_seeding_limit:
tr_variantDictAddInt(d, key, tr_sessionGetIdleLimit(s));
break;
case TR_KEY_idle_seeding_limit_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsIdleLimited(s));
break;
case TR_KEY_seed_queue_enabled:
tr_variantDictAddBool(d, key, tr_sessionGetQueueEnabled(s, TR_UP));
break;
case TR_KEY_seed_queue_size:
tr_variantDictAddInt(d, key, tr_sessionGetQueueSize(s, TR_UP));
break;
case TR_KEY_start_added_torrents:
tr_variantDictAddBool(d, key, !tr_sessionGetPaused(s));
break;
case TR_KEY_trash_original_torrent_files:
tr_variantDictAddBool(d, key, tr_sessionGetDeleteSource(s));
break;
case TR_KEY_speed_limit_up:
tr_variantDictAddInt(d, key, tr_sessionGetSpeedLimit_KBps(s, TR_UP));
break;
case TR_KEY_speed_limit_up_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsSpeedLimited(s, TR_UP));
break;
case TR_KEY_speed_limit_down:
tr_variantDictAddInt(d, key, tr_sessionGetSpeedLimit_KBps(s, TR_DOWN));
break;
case TR_KEY_speed_limit_down_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsSpeedLimited(s, TR_DOWN));
break;
case TR_KEY_script_torrent_added_filename:
tr_variantDictAddStr(d, key, tr_sessionGetScript(s, TR_SCRIPT_ON_TORRENT_ADDED));
break;
case TR_KEY_script_torrent_added_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsScriptEnabled(s, TR_SCRIPT_ON_TORRENT_ADDED));
break;
case TR_KEY_script_torrent_done_filename:
tr_variantDictAddStr(d, key, tr_sessionGetScript(s, TR_SCRIPT_ON_TORRENT_DONE));
break;
case TR_KEY_script_torrent_done_enabled:
tr_variantDictAddBool(d, key, tr_sessionIsScriptEnabled(s, TR_SCRIPT_ON_TORRENT_DONE));
break;
case TR_KEY_queue_stalled_enabled:
tr_variantDictAddBool(d, key, tr_sessionGetQueueStalledEnabled(s));
break;
case TR_KEY_queue_stalled_minutes:
tr_variantDictAddInt(d, key, tr_sessionGetQueueStalledMinutes(s));
break;
case TR_KEY_anti_brute_force_enabled:
tr_variantDictAddBool(d, key, tr_sessionGetAntiBruteForceEnabled(s));
break;
case TR_KEY_anti_brute_force_threshold:
tr_variantDictAddInt(d, key, tr_sessionGetAntiBruteForceThreshold(s));
break;
case TR_KEY_units:
tr_formatter_get_units(tr_variantDictAddDict(d, key, 0));
break;
case TR_KEY_version:
tr_variantDictAddStrView(d, key, LONG_VERSION_STRING);
break;
case TR_KEY_encryption:
tr_variantDictAddStr(d, key, getEncryptionModeString(tr_sessionGetEncryption(s)));
break;
case TR_KEY_session_id:
tr_variantDictAddStr(d, key, tr_session_id_get_current(s->session_id));
break;
}
}
static char const* sessionGet(tr_session* s, tr_variant* args_in, tr_variant* args_out, tr_rpc_idle_data* /*idle_data*/)
{
tr_variant* fields = nullptr;
if (tr_variantDictFindList(args_in, TR_KEY_fields, &fields))
{
size_t const field_count = tr_variantListSize(fields);
for (size_t i = 0; i < field_count; ++i)
{
auto field_name = std::string_view{};
if (tr_variantGetStrView(tr_variantListChild(fields, i), &field_name))
{
continue;
}
auto const field_id = tr_quark_lookup(field_name);
if (field_id)
{
addSessionField(s, args_out, *field_id);
}
}
}
else
{
for (tr_quark field_id = TR_KEY_NONE + 1; field_id < TR_N_KEYS; ++field_id)
{
addSessionField(s, args_out, field_id);
}
}
return nullptr;
}
static char const* freeSpace(
tr_session* /*session*/,
tr_variant* args_in,
tr_variant* args_out,
tr_rpc_idle_data* /*idle_data*/)
{
auto path = std::string_view{};
if (!tr_variantDictFindStrView(args_in, TR_KEY_path, &path))
{
return "directory path argument is missing";
}
if (tr_sys_path_is_relative(path))
{
return "directory path is not absolute";
}
/* get the free space */
auto const old_errno = errno;
errno = 0;
auto const dir_space = tr_dirSpace(path);
char const* const err = dir_space.free < 0 || dir_space.total < 0 ? tr_strerror(errno) : nullptr;
errno = old_errno;
/* response */
tr_variantDictAddStr(args_out, TR_KEY_path, path);
tr_variantDictAddInt(args_out, TR_KEY_size_bytes, dir_space.free);
tr_variantDictAddInt(args_out, TR_KEY_total_size, dir_space.total);
return err;
}
/***
****
***/
static char const* sessionClose(
tr_session* session,
tr_variant* /*args_in*/,
tr_variant* /*args_out*/,
tr_rpc_idle_data* /*idle_data*/)
{
notify(session, TR_RPC_SESSION_CLOSE, nullptr);
return nullptr;
}
/***
****
***/
using handler = char const* (*)(tr_session*, tr_variant*, tr_variant*, struct tr_rpc_idle_data*);
struct rpc_method
{
std::string_view name;
bool immediate;
handler func;
};
static auto constexpr Methods = std::array<rpc_method, 22>{ {
{ "blocklist-update"sv, false, blocklistUpdate },
{ "free-space"sv, true, freeSpace },
{ "port-test"sv, false, portTest },
{ "queue-move-bottom"sv, true, queueMoveBottom },
{ "queue-move-down"sv, true, queueMoveDown },
{ "queue-move-top"sv, true, queueMoveTop },
{ "queue-move-up"sv, true, queueMoveUp },
{ "session-close"sv, true, sessionClose },
{ "session-get"sv, true, sessionGet },
{ "session-set"sv, true, sessionSet },
{ "session-stats"sv, true, sessionStats },
{ "torrent-add"sv, false, torrentAdd },
{ "torrent-get"sv, true, torrentGet },
{ "torrent-reannounce"sv, true, torrentReannounce },
{ "torrent-remove"sv, true, torrentRemove },
{ "torrent-rename-path"sv, false, torrentRenamePath },
{ "torrent-set"sv, true, torrentSet },
{ "torrent-set-location"sv, true, torrentSetLocation },
{ "torrent-start"sv, true, torrentStart },
{ "torrent-start-now"sv, true, torrentStartNow },
{ "torrent-stop"sv, true, torrentStop },
{ "torrent-verify"sv, true, torrentVerify },
} };
static void noop_response_callback(tr_session* /*session*/, tr_variant* /*response*/, void* /*user_data*/)
{
}
void tr_rpc_request_exec_json(
tr_session* session,
tr_variant const* request,
tr_rpc_response_func callback,
void* callback_user_data)
{
tr_variant* const mutable_request = const_cast<tr_variant*>(request);
tr_variant* args_in = tr_variantDictFind(mutable_request, TR_KEY_arguments);
char const* result = nullptr;
if (callback == nullptr)
{
callback = noop_response_callback;
}
// parse the request's method name
auto sv = std::string_view{};
rpc_method const* method = nullptr;
if (!tr_variantDictFindStrView(mutable_request, TR_KEY_method, &sv))
{
result = "no method name";
}
else
{
auto const it = std::find_if(std::begin(Methods), std::end(Methods), [&sv](auto const& row) { return row.name == sv; });
if (it == std::end(Methods))
{
result = "method name not recognized";
}
else
{
method = &*it;
}
}
/* if we couldn't figure out which method to use, return an error */
if (result != nullptr)
{
auto response = tr_variant{};
tr_variantInitDict(&response, 3);
tr_variantDictAddDict(&response, TR_KEY_arguments, 0);
tr_variantDictAddStr(&response, TR_KEY_result, result);
auto tag = int64_t{};
if (tr_variantDictFindInt(mutable_request, TR_KEY_tag, &tag))
{
tr_variantDictAddInt(&response, TR_KEY_tag, tag);
}
(*callback)(session, &response, callback_user_data);
tr_variantFree(&response);
}
else if (method->immediate)
{
auto response = tr_variant{};
tr_variantInitDict(&response, 3);
tr_variant* const args_out = tr_variantDictAddDict(&response, TR_KEY_arguments, 0);
result = (*method->func)(session, args_in, args_out, nullptr);
if (result == nullptr)
{
result = "success";
}
tr_variantDictAddStr(&response, TR_KEY_result, result);
auto tag = int64_t{};
if (tr_variantDictFindInt(mutable_request, TR_KEY_tag, &tag))
{
tr_variantDictAddInt(&response, TR_KEY_tag, tag);
}
(*callback)(session, &response, callback_user_data);
tr_variantFree(&response);
}
else
{
struct tr_rpc_idle_data* data = tr_new0(struct tr_rpc_idle_data, 1);
data->session = session;
data->response = tr_new0(tr_variant, 1);
tr_variantInitDict(data->response, 3);
auto tag = int64_t{};
if (tr_variantDictFindInt(mutable_request, TR_KEY_tag, &tag))
{
tr_variantDictAddInt(data->response, TR_KEY_tag, tag);
}
data->args_out = tr_variantDictAddDict(data->response, TR_KEY_arguments, 0);
data->callback = callback;
data->callback_user_data = callback_user_data;
result = (*method->func)(session, args_in, data->args_out, data);
/* Async operation failed prematurely? Invoke callback or else client will not get a reply */
if (result != nullptr)
{
tr_idle_function_done(data, result);
}
}
}
/**
* Munge the URI into a usable form.
*
* We have very loose typing on this to make the URIs as simple as possible:
* - anything not a 'tag' or 'method' is automatically in 'arguments'
* - values that are all-digits are numbers
* - values that are all-digits or commas are number lists
* - all other values are strings
*/
void tr_rpc_parse_list_str(tr_variant* setme, std::string_view str)
{
auto const values = tr_parseNumberRange(str);
auto const valueCount = std::size(values);
if (valueCount == 0)
{
tr_variantInitStr(setme, str);
}
else if (valueCount == 1)
{
tr_variantInitInt(setme, values[0]);
}
else
{
tr_variantInitList(setme, valueCount);
for (auto const& value : values)
{
tr_variantListAddInt(setme, value);
}
}
}
void tr_rpc_request_exec_uri(
tr_session* session,
void const* request_uri,
size_t request_uri_len,
tr_rpc_response_func callback,
void* callback_user_data)
{
char* const request = tr_strndup(request_uri, request_uri_len);
auto top = tr_variant{};
tr_variantInitDict(&top, 3);
tr_variant* const args = tr_variantDictAddDict(&top, TR_KEY_arguments, 0);
char const* pch = strchr(request, '?');
if (pch == nullptr)
{
pch = request;
}
while (pch != nullptr)
{
char const* delim = strchr(pch, '=');
char const* next = strchr(pch, '&');
if (delim != nullptr)
{
auto const key = std::string_view{ pch, size_t(delim - pch) };
bool isArg = key != "method" && key != "tag";
tr_variant* parent = isArg ? args : &top;
auto const val = std::string_view{ delim + 1, next != nullptr ? (size_t)(next - (delim + 1)) : strlen(delim + 1) };
tr_rpc_parse_list_str(tr_variantDictAdd(parent, tr_quark_new(key)), val);
}
pch = next != nullptr ? next + 1 : nullptr;
}
tr_rpc_request_exec_json(session, &top, callback, callback_user_data);
/* cleanup */
tr_variantFree(&top);
tr_free(request);
}
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