mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
bb21f732fd
* Fix error handling in Torrent.cpp, improve choosing peers for upload * Various improvements in storage daemon "get-pieces-info" Store "added at" Improve calculating up/down speed Improve TL protocol for future compatibility Remove empty directories on "--remove-files" Better windows support Debug logs in PeerActor More restrictions on TorrentInfo Bugfixes * Global speed limits for download and upload +bugfix * Reset download/upload speed on changing settings or completion * Exclude some system files in TorrentCreator
391 lines
No EOL
17 KiB
C++
391 lines
No EOL
17 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "StorageManager.h"
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#include "td/utils/filesystem.h"
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#include "td/utils/port/path.h"
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#include "td/db/RocksDb.h"
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#include "td/actor/MultiPromise.h"
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namespace ton {
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static overlay::OverlayIdFull get_overlay_id(td::Bits256 hash) {
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td::BufferSlice hash_str(hash.as_slice());
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return overlay::OverlayIdFull(std::move(hash_str));
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}
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StorageManager::StorageManager(adnl::AdnlNodeIdShort local_id, std::string db_root, td::unique_ptr<Callback> callback,
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bool client_mode, td::actor::ActorId<adnl::Adnl> adnl,
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td::actor::ActorId<ton_rldp::Rldp> rldp, td::actor::ActorId<overlay::Overlays> overlays)
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: local_id_(local_id)
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, db_root_(std::move(db_root))
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, callback_(std::move(callback))
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, client_mode_(client_mode)
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, adnl_(std::move(adnl))
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, rldp_(std::move(rldp))
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, overlays_(std::move(overlays)) {
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}
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void StorageManager::start_up() {
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CHECK(db_root_ != "");
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td::mkdir(db_root_).ensure();
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db_root_ = td::realpath(db_root_).move_as_ok();
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td::mkdir(db_root_ + "/torrent-db").ensure();
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td::mkdir(db_root_ + "/torrent-files").ensure();
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LOG(INFO) << "Starting Storage manager. DB = " << db_root_;
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db_ = std::make_shared<db::DbType>(
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std::make_shared<td::RocksDb>(td::RocksDb::open(db_root_ + "/torrent-db").move_as_ok()));
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db::db_get<ton_api::storage_db_config>(
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*db_, create_hash_tl_object<ton_api::storage_db_key_config>(), true,
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[SelfId = actor_id(this)](td::Result<tl_object_ptr<ton_api::storage_db_config>> R) {
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if (R.is_error()) {
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LOG(ERROR) << "Failed to load config from db: " << R.move_as_error();
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td::actor::send_closure(SelfId, &StorageManager::loaded_config_from_db, nullptr);
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} else {
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td::actor::send_closure(SelfId, &StorageManager::loaded_config_from_db, R.move_as_ok());
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}
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});
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}
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void StorageManager::loaded_config_from_db(tl_object_ptr<ton_api::storage_db_config> config) {
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if (config) {
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LOG(INFO) << "Loaded config from DB. Speed limits: download=" << config->download_speed_limit_
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<< ", upload=" << config->upload_speed_limit_;
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download_speed_limit_ = config->download_speed_limit_;
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upload_speed_limit_ = config->upload_speed_limit_;
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td::actor::send_closure(download_speed_limiter_, &SpeedLimiter::set_max_speed, download_speed_limit_);
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td::actor::send_closure(upload_speed_limiter_, &SpeedLimiter::set_max_speed, upload_speed_limit_);
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}
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db::db_get<ton_api::storage_db_torrentList>(
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*db_, create_hash_tl_object<ton_api::storage_db_key_torrentList>(), true,
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[SelfId = actor_id(this)](td::Result<tl_object_ptr<ton_api::storage_db_torrentList>> R) {
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std::vector<td::Bits256> torrents;
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if (R.is_error()) {
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LOG(ERROR) << "Failed to load torrent list from db: " << R.move_as_error();
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} else {
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auto r = R.move_as_ok();
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if (r != nullptr) {
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torrents = std::move(r->torrents_);
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}
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}
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td::actor::send_closure(SelfId, &StorageManager::load_torrents_from_db, std::move(torrents));
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});
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}
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void StorageManager::load_torrents_from_db(std::vector<td::Bits256> torrents) {
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td::MultiPromise mp;
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auto ig = mp.init_guard();
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ig.add_promise([SelfId = actor_id(this)](td::Result<td::Unit> R) {
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td::actor::send_closure(SelfId, &StorageManager::after_load_torrents_from_db);
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});
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for (auto hash : torrents) {
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CHECK(!torrents_.count(hash))
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auto& entry = torrents_[hash];
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entry.peer_manager = td::actor::create_actor<PeerManager>("PeerManager", local_id_, get_overlay_id(hash),
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client_mode_, overlays_, adnl_, rldp_);
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NodeActor::load_from_db(
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db_, hash, create_callback(hash, entry.closing_state), PeerManager::create_callback(entry.peer_manager.get()),
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SpeedLimiters{download_speed_limiter_.get(), upload_speed_limiter_.get()},
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[SelfId = actor_id(this), hash,
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promise = ig.get_promise()](td::Result<td::actor::ActorOwn<NodeActor>> R) mutable {
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td::actor::send_closure(SelfId, &StorageManager::loaded_torrent_from_db, hash, std::move(R));
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promise.set_result(td::Unit());
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});
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}
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}
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void StorageManager::loaded_torrent_from_db(td::Bits256 hash, td::Result<td::actor::ActorOwn<NodeActor>> R) {
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if (R.is_error()) {
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LOG(ERROR) << "Failed to load torrent " << hash.to_hex() << " from db: " << R.move_as_error();
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torrents_.erase(hash);
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} else {
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auto it = torrents_.find(hash);
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CHECK(it != torrents_.end());
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it->second.actor = R.move_as_ok();
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LOG(INFO) << "Loaded torrent " << hash.to_hex() << " from db";
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}
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}
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void StorageManager::after_load_torrents_from_db() {
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LOG(INFO) << "Finished loading torrents from db (" << torrents_.size() << " torrents)";
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db_store_torrent_list();
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callback_->on_ready();
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}
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td::unique_ptr<NodeActor::Callback> StorageManager::create_callback(
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td::Bits256 hash, std::shared_ptr<TorrentEntry::ClosingState> closing_state) {
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class Callback : public NodeActor::Callback {
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public:
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Callback(td::actor::ActorId<StorageManager> id, td::Bits256 hash,
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std::shared_ptr<TorrentEntry::ClosingState> closing_state)
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: id_(std::move(id)), hash_(hash), closing_state_(std::move(closing_state)) {
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}
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void on_completed() override {
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}
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void on_closed(Torrent torrent) override {
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CHECK(torrent.get_hash() == hash_);
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td::actor::send_closure(id_, &StorageManager::on_torrent_closed, std::move(torrent), closing_state_);
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}
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private:
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td::actor::ActorId<StorageManager> id_;
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td::Bits256 hash_;
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std::shared_ptr<TorrentEntry::ClosingState> closing_state_;
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};
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return td::make_unique<Callback>(actor_id(this), hash, std::move(closing_state));
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}
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void StorageManager::add_torrent(Torrent torrent, bool start_download, bool allow_upload, bool copy_inside,
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td::Promise<td::Unit> promise) {
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td::Bits256 hash = torrent.get_hash();
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TRY_STATUS_PROMISE(promise, add_torrent_impl(std::move(torrent), start_download, allow_upload));
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db_store_torrent_list();
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if (!copy_inside) {
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promise.set_result(td::Unit());
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return;
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}
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TorrentEntry& entry = torrents_[hash];
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std::string new_dir = db_root_ + "/torrent-files/" + hash.to_hex();
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LOG(INFO) << "Copy torrent to " << new_dir;
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td::actor::send_closure(
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entry.actor, &NodeActor::copy_to_new_root_dir, std::move(new_dir),
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[SelfId = actor_id(this), hash, promise = std::move(promise)](td::Result<td::Unit> R) mutable {
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if (R.is_error()) {
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LOG(WARNING) << "Copy torrent: " << R.error();
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td::actor::send_closure(SelfId, &StorageManager::remove_torrent, hash, false, [](td::Result<td::Unit> R) {});
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}
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promise.set_result(std::move(R));
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});
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}
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td::Status StorageManager::add_torrent_impl(Torrent torrent, bool start_download, bool allow_upload) {
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td::Bits256 hash = torrent.get_hash();
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if (torrents_.count(hash)) {
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return td::Status::Error(PSTRING() << "Cannot add torrent: duplicate hash " << hash.to_hex());
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}
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TorrentEntry& entry = torrents_[hash];
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entry.hash = hash;
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entry.peer_manager = td::actor::create_actor<PeerManager>("PeerManager", local_id_, get_overlay_id(hash),
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client_mode_, overlays_, adnl_, rldp_);
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auto context = PeerManager::create_callback(entry.peer_manager.get());
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LOG(INFO) << "Added torrent " << hash.to_hex() << " , root_dir = " << torrent.get_root_dir();
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entry.actor = td::actor::create_actor<NodeActor>(
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"Node", 1, std::move(torrent), create_callback(hash, entry.closing_state), std::move(context), db_,
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SpeedLimiters{download_speed_limiter_.get(), upload_speed_limiter_.get()}, start_download, allow_upload);
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return td::Status::OK();
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}
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void StorageManager::add_torrent_by_meta(TorrentMeta meta, std::string root_dir, bool start_download, bool allow_upload,
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td::Promise<td::Unit> promise) {
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td::Bits256 hash(meta.info.get_hash());
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Torrent::Options options;
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options.root_dir = root_dir.empty() ? db_root_ + "/torrent-files/" + hash.to_hex() : root_dir;
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TRY_RESULT_PROMISE(promise, torrent, Torrent::open(std::move(options), std::move(meta)));
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add_torrent(std::move(torrent), start_download, allow_upload, false, std::move(promise));
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}
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void StorageManager::add_torrent_by_hash(td::Bits256 hash, std::string root_dir, bool start_download, bool allow_upload,
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td::Promise<td::Unit> promise) {
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Torrent::Options options;
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options.root_dir = root_dir.empty() ? db_root_ + "/torrent-files/" + hash.to_hex() : root_dir;
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TRY_RESULT_PROMISE(promise, torrent, Torrent::open(std::move(options), hash));
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add_torrent(std::move(torrent), start_download, allow_upload, false, std::move(promise));
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}
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void StorageManager::set_active_download(td::Bits256 hash, bool active, td::Promise<td::Unit> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::set_should_download, active);
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promise.set_result(td::Unit());
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}
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void StorageManager::set_active_upload(td::Bits256 hash, bool active, td::Promise<td::Unit> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::set_should_upload, active);
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promise.set_result(td::Unit());
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}
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void StorageManager::with_torrent(td::Bits256 hash, td::Promise<NodeActor::NodeState> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::with_torrent, std::move(promise));
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}
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void StorageManager::get_all_torrents(td::Promise<std::vector<td::Bits256>> promise) {
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std::vector<td::Bits256> result;
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for (const auto& p : torrents_) {
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result.push_back(p.first);
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}
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promise.set_result(std::move(result));
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}
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void StorageManager::db_store_config() {
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auto config = create_tl_object<ton_api::storage_db_config>();
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config->download_speed_limit_ = download_speed_limit_;
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config->upload_speed_limit_ = upload_speed_limit_;
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db_->set(create_hash_tl_object<ton_api::storage_db_key_config>(), serialize_tl_object(config, true),
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[](td::Result<td::Unit> R) {
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if (R.is_error()) {
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LOG(ERROR) << "Failed to save config to db: " << R.move_as_error();
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}
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});
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}
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void StorageManager::db_store_torrent_list() {
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std::vector<td::Bits256> torrents;
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for (const auto& p : torrents_) {
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torrents.push_back(p.first);
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}
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db_->set(create_hash_tl_object<ton_api::storage_db_key_torrentList>(),
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create_serialize_tl_object<ton_api::storage_db_torrentList>(std::move(torrents)),
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[](td::Result<td::Unit> R) {
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if (R.is_error()) {
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LOG(ERROR) << "Failed to save torrent list to db: " << R.move_as_error();
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}
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});
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}
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void StorageManager::set_all_files_priority(td::Bits256 hash, td::uint8 priority, td::Promise<bool> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::set_all_files_priority, priority, std::move(promise));
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}
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void StorageManager::set_file_priority_by_idx(td::Bits256 hash, size_t idx, td::uint8 priority,
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td::Promise<bool> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::set_file_priority_by_idx, idx, priority, std::move(promise));
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}
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void StorageManager::set_file_priority_by_name(td::Bits256 hash, std::string name, td::uint8 priority,
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td::Promise<bool> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::set_file_priority_by_name, std::move(name), priority,
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std::move(promise));
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}
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void StorageManager::remove_torrent(td::Bits256 hash, bool remove_files, td::Promise<td::Unit> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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LOG(INFO) << "Removing torrent " << hash.to_hex();
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entry->closing_state->removing = true;
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entry->closing_state->remove_files = remove_files;
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entry->closing_state->promise = std::move(promise);
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torrents_.erase(hash);
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db_store_torrent_list();
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}
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void StorageManager::load_from(td::Bits256 hash, td::optional<TorrentMeta> meta, std::string files_path,
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td::Promise<td::Unit> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::load_from, std::move(meta), std::move(files_path),
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std::move(promise));
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}
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static bool try_rm_empty_dir(const std::string& path) {
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auto stat = td::stat(path);
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if (stat.is_error() || !stat.ok().is_dir_) {
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return true;
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}
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size_t cnt = 0;
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td::WalkPath::run(path, [&](td::CSlice name, td::WalkPath::Type type) {
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if (type != td::WalkPath::Type::ExitDir) {
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++cnt;
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}
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if (cnt < 2) {
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return td::WalkPath::Action::Continue;
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} else {
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return td::WalkPath::Action::Abort;
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}
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}).ignore();
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if (cnt == 1) {
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td::rmdir(path).ignore();
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return true;
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}
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return false;
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}
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void StorageManager::on_torrent_closed(Torrent torrent, std::shared_ptr<TorrentEntry::ClosingState> closing_state) {
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if (!closing_state->removing) {
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return;
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}
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if (closing_state->remove_files && torrent.inited_header()) {
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// Ignore all errors: files may just not exist
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size_t files_count = torrent.get_files_count().unwrap();
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for (size_t i = 0; i < files_count; ++i) {
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std::string path = torrent.get_file_path(i);
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td::unlink(path).ignore();
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std::string name = torrent.get_file_name(i).str();
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for (int j = (int)name.size() - 1; j >= 0; --j) {
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if (name[j] == '/') {
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name.resize(j + 1);
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if (!try_rm_empty_dir(torrent.get_root_dir() + '/' + torrent.get_header().dir_name + '/' + name)) {
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break;
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}
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}
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}
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if (!torrent.get_header().dir_name.empty()) {
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try_rm_empty_dir(torrent.get_root_dir() + '/' + torrent.get_header().dir_name);
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}
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}
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}
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std::string path = db_root_ + "/torrent-files/" + torrent.get_hash().to_hex();
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td::rmrf(path).ignore();
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NodeActor::cleanup_db(db_, torrent.get_hash(),
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[promise = std::move(closing_state->promise)](td::Result<td::Unit> R) mutable {
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if (R.is_error()) {
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LOG(ERROR) << "Failed to cleanup database: " << R.move_as_error();
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}
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promise.set_result(td::Unit());
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});
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}
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void StorageManager::wait_for_completion(td::Bits256 hash, td::Promise<td::Unit> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::wait_for_completion, std::move(promise));
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}
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void StorageManager::get_peers_info(td::Bits256 hash,
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td::Promise<tl_object_ptr<ton_api::storage_daemon_peerList>> promise) {
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TRY_RESULT_PROMISE(promise, entry, get_torrent(hash));
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td::actor::send_closure(entry->actor, &NodeActor::get_peers_info, std::move(promise));
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}
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void StorageManager::get_speed_limits(td::Promise<std::pair<double, double>> promise) {
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promise.set_result(std::make_pair(download_speed_limit_, upload_speed_limit_));
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}
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void StorageManager::set_download_speed_limit(double max_speed) {
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if (max_speed < 0.0) {
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max_speed = -1.0;
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}
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LOG(INFO) << "Set download speed limit to " << max_speed;
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download_speed_limit_ = max_speed;
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td::actor::send_closure(download_speed_limiter_, &SpeedLimiter::set_max_speed, max_speed);
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db_store_config();
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}
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void StorageManager::set_upload_speed_limit(double max_speed) {
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if (max_speed < 0.0) {
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max_speed = -1.0;
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}
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LOG(INFO) << "Set upload speed limit to " << max_speed;
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upload_speed_limit_ = max_speed;
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td::actor::send_closure(upload_speed_limiter_, &SpeedLimiter::set_max_speed, max_speed);
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db_store_config();
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}
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} // namespace ton
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